Replace workflows with a single one which is triggered on tags.

Fix regressions in shortcuts on Linux

.github/FUNDING.yml

@@ -0,0 +1,4 @@
+# These are supported funding model platforms
+
+patreon: swordfish90
+custom: ['https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=flscogna%40gmail.com&item_name=Support+CRT&currency_code=EUR&source=url']

.github/workflows/release.yml

@@ -0,0 +1,129 @@
+name: Release
+
+on:
+  workflow_dispatch:
+  push:
+    branches:
+      - main
+      - master
+    tags:
+      - '*'
+
+permissions:
+  contents: write
+
+jobs:
+  build-appimage:
+    name: Build (Linux, AppImage)
+    runs-on: ubuntu-22.04
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install build deps
+        run: |
+          sudo apt update
+          sudo apt install -y build-essential rsync wget
+
+      - name: Install Qt
+        uses: jurplel/install-qt-action@v4
+        with:
+          version: 6.10.0
+          dir: ..
+          modules: qt5compat qtshadertools
+          setup-python: false
+          cache: true
+
+      - name: Build AppImage
+        run: |
+          ./scripts/build-appimage.sh
+
+      - name: Collect artifact
+        run: |
+          mkdir -p release
+          mv ./*.AppImage release/
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: cool-retro-term-appimage
+          path: ./release/*
+
+  build-dmg:
+    name: Build (macOS, DMG)
+    runs-on: macos-14
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          submodules: recursive
+
+      - name: Install Qt
+        uses: jurplel/install-qt-action@v4
+        with:
+          version: 6.10.*
+          modules: qt5compat qtshadertools
+          setup-python: true
+          python-version: '3.11'
+          cache: true
+
+      - name: Build DMG
+        run: |
+          JOBS="$(sysctl -n hw.ncpu)"
+          ./scripts/build-dmg.sh
+
+      - name: Collect artifact
+        run: |
+          mkdir -p release
+          mv ./*.dmg release/
+
+      - name: Upload artifact
+        uses: actions/upload-artifact@v4
+        with:
+          name: cool-retro-term-dmg
+          path: ./release/*
+
+  release:
+    name: Create Release
+    runs-on: ubuntu-22.04
+    needs:
+      - build-appimage
+      - build-dmg
+    steps:
+      - uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Download AppImage
+        uses: actions/download-artifact@v4
+        with:
+          name: cool-retro-term-appimage
+          path: ./release
+
+      - name: Download DMG
+        uses: actions/download-artifact@v4
+        with:
+          name: cool-retro-term-dmg
+          path: ./release
+
+      - name: Update rolling tag
+        if: startsWith(github.ref, 'refs/heads/')
+        run: |
+          git tag -f rolling
+          git push -f origin rolling
+
+      - name: Publish rolling release
+        if: startsWith(github.ref, 'refs/heads/')
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: rolling
+          name: Rolling Release
+          prerelease: true
+          files: ./release/*
+
+      - name: Publish tagged release
+        if: startsWith(github.ref, 'refs/tags/')
+        uses: softprops/action-gh-release@v2
+        with:
+          tag_name: ${{ github.ref_name }}
+          files: ./release/*

.gitignore

@@ -18,6 +18,7 @@
 *.pro.user.*
 *.moc
 moc_*.cpp
+moc_*.h
 qrc_*.cpp
 ui_*.h
 Makefile*
@@ -40,10 +41,17 @@ Makefile*
 *.json
 
 # Excludes compiled files
+
 imports
 cool-retro-term
+build
+
+# Linux
+
+*.AppImage
 
 # Mac OSX
 
 .DS_Store
 *.app
+*.dmg

.gitmodules

@@ -1,3 +1,7 @@
 [submodule "qmltermwidget"]
 	path = qmltermwidget
 	url = https://github.com/Swordfish90/qmltermwidget
+	branch = unstable
+[submodule "KDSingleApplication"]
+	path = KDSingleApplication
+	url = https://github.com/KDAB/KDSingleApplication.git

README.md

@@ -1,165 +1,30 @@
 # cool-retro-term
 
+|> Default Amber|C:\ IBM DOS|$ Default Green|
+|---|---|---|
+|![Default Amber Cool Retro Term](https://user-images.githubusercontent.com/121322/32070717-16708784-ba42-11e7-8572-a8fcc10d7f7d.gif)|![IBM DOS](https://user-images.githubusercontent.com/121322/32070716-16567e5c-ba42-11e7-9e64-ba96dfe9b64d.gif)|![Default Green Cool Retro Term](https://user-images.githubusercontent.com/121322/32070715-163a1c94-ba42-11e7-80bb-41fbf10fc634.gif)|
+
 ## Description
 cool-retro-term is a terminal emulator which mimics the look and feel of the old cathode tube screens.
 It has been designed to be eye-candy, customizable, and reasonably lightweight.
 
-It uses the QML port of qtermwidget (Konsole) developed by me: https://github.com/Swordfish90/qmltermwidget .
+It uses the QML port of qtermwidget (Konsole): https://github.com/Swordfish90/qmltermwidget.
 
-This terminal emulator works under Linux and OSX and requires Qt 5.2 or higher.
+This terminal emulator works under Linux and macOS and requires Qt6.
+
+Settings such as colors, fonts, and effects can be accessed via context menu.
 
 ## Screenshots
-![Image](<http://i.imgur.com/I6wq1cC.png>)
-![Image](<http://i.imgur.com/12EqlpL.png>)
-![Image](<http://i.imgur.com/Lx0acQz.jpg>)
+![Image](<https://i.imgur.com/TNumkDn.png>)
+![Image](<https://i.imgur.com/hfjWOM4.png>)
+![Image](<https://i.imgur.com/GYRDPzJ.jpg>)
 
-## Get cool-retro-term
-You can either build cool-retro-term yourself (see below) or walk the easy way and install one of these packages:
+## Install
 
-Users of Fedora and openSUSE can grab a package from [Open Build Service](http://software.opensuse.org/package/cool-retro-term).
+If you want to get a hold of the latest version, just go to the Releases page and grab the latest AppImage (Linux) or dmg (macOS).
 
-Arch users can install this [package](https://aur.archlinux.org/packages/cool-retro-term-git/) directly via the [AUR](https://aur.archlinux.org):
+Alternatively, most distributions such as Ubuntu, Fedora or Arch already package cool-retro-term in their official repositories.
 
-    yaourt -S aur/cool-retro-term-git
+## Building
 
-or use:
-
-    pacman -S cool-retro-term
-
-to install precompiled from community repository.
-
-Gentoo users can now install the first release "1.0" from a 3rd-party repository preferably via layman:
-
-    USE="git" emerge app-portage/layman
-    wget https://www.gerczei.eu/files/gerczei.xml -O /etc/layman/overlays/gerczei.xml
-    layman -f -a qt -a gerczei # those who've added the repo before 27/08/17 should remove, update and add it again as its source has changed
-    ACCEPT_KEYWORDS="~*" emerge =x11-terms/cool-retro-term-1.0.0-r1::gerczei
-
-The live ebuild (version 9999-r1) tracking the bleeding-edge WIP codebase also remains available.
-
-A word of warning: USE flags and keywords are to be added to portage's configuration files and every emerge operation should be executed with '-p' (short option for --pretend) appended to the command line first as per best practice!
-
-Ubuntu users of 14.04 LTS (Trusty) up to 15.10 (Wily) can use [this PPA](https://launchpad.net/~bugs-launchpad-net-falkensweb)
-
-OSX users can grab the latest dmg from the release page: https://github.com/Swordfish90/cool-retro-term/releases
-
-## Build instructions (Linux)
-
-## Dependencies
-Make sure to install these first.
-
----
-
-**Ubuntu 14.04**
-
-    sudo apt-get install build-essential qmlscene qt5-qmake qt5-default qtdeclarative5-dev qtdeclarative5-controls-plugin qtdeclarative5-qtquick2-plugin libqt5qml-graphicaleffects qtdeclarative5-dialogs-plugin qtdeclarative5-localstorage-plugin qtdeclarative5-window-plugin
-
----
-
-**Ubuntu 16.10**
-
-    sudo apt-get install build-essential qmlscene qt5-qmake qt5-default qtdeclarative5-dev qml-module-qtquick-controls qtdeclarative5-qtquick2-plugin libqt5qml-graphicaleffects qml-module-qtquick-dialogs qtdeclarative5-localstorage-plugin qtdeclarative5-window-plugin
-
----
-
-**Ubuntu 17.04**
-
-    sudo apt-get install build-essential libqt5qml-graphicaleffects qml-module-qt-labs-folderlistmodel qml-module-qt-labs-settings qml-module-qtquick-controls qml-module-qtquick-dialogs qmlscene qt5-default qt5-qmake qtdeclarative5-dev qtdeclarative5-localstorage-plugin qtdeclarative5-qtquick2-plugin qtdeclarative5-window-plugin
-
----
-
-**Debian Jessie**
-
-    sudo apt-get install build-essential qmlscene qt5-qmake qt5-default qtdeclarative5-dev qml-module-qtquick-controls qml-module-qtgraphicaleffects qml-module-qtquick-dialogs qml-module-qtquick-localstorage qml-module-qtquick-window2
-
----
-
-**Fedora**
-This command should install the known fedora dependencies:
-
-    sudo yum -y install qt5-qtbase qt5-qtbase-devel qt5-qtdeclarative qt5-qtdeclarative-devel qt5-qtgraphicaleffects qt5-qtquickcontrols redhat-rpm-config
-
-or:
-
-    sudo dnf -y install qt5-qtbase qt5-qtbase-devel qt5-qtdeclarative qt5-qtdeclarative-devel qt5-qtgraphicaleffects qt5-qtquickcontrols redhat-rpm-config
-
----
-
-**Arch Linux**
-
-    sudo pacman -S qt5-base qt5-declarative qt5-quickcontrols qt5-graphicaleffects
-    
----
-
-**openSUSE**
-
-Add repository with latest Qt 5 (this is only needed on openSUSE 13.1, Factory already has it):
-
-    sudo zypper ar http://download.opensuse.org/repositories/KDE:/Qt5/openSUSE_13.1/ KDE:Qt5
-
-Install dependencies:
-
-    sudo zypper install libqt5-qtbase-devel libqt5-qtdeclarative-devel libqt5-qtquickcontrols libqt5-qtgraphicaleffects
-
----
-
-**Anyone else**
-
-Install Qt directly from here http://qt-project.org/downloads . Once done export them in you path (replace "_/opt/Qt5.3.1/5.3/gcc_64/bin_" with your correct folder):
-    
-    export PATH=/opt/Qt5.3.1/5.3/gcc_64/bin/:$PATH
----
-
-### Compile
-Once you installed all dependencies (Qt is installed and in your path) you need to compile and run the application: 
-
-```bash
-# Get it from GitHub
-git clone --recursive https://github.com/Swordfish90/cool-retro-term.git
-
-# Build it
-cd cool-retro-term
-
-# Compile (Fedora and OpenSUSE user should use qmake-qt5 instead of qmake)
-qmake && make
-
-# Have fun!
-./cool-retro-term
-```
-
-## Build instructions (OSX)
-
-1. Install [Xcode](https://developer.apple.com/xcode/) and agree to the licence agreement
-2. Enter the following commands into the terminal:
-
-**Brew**
-
-```sh
-brew install qt5
-git clone --recursive https://github.com/Swordfish90/cool-retro-term.git
-export CPPFLAGS="-I/usr/local/opt/qt5/include"
-export LDFLAGS="-L/usr/local/opt/qt5/lib"
-export PATH=/usr/local/opt/qt5/bin:$PATH
-cd cool-retro-term
-qmake && make
-mkdir cool-retro-term.app/Contents/PlugIns
-cp -r qmltermwidget/QMLTermWidget cool-retro-term.app/Contents/PlugIns
-open cool-retro-term.app
-```
-
-**MacPorts**
-
-```sh
-sudo port install qt5
-git clone --recursive https://github.com/Swordfish90/cool-retro-term.git
-cd cool-retro-term
-/opt/local/libexec/qt5/bin/qmake && make
-mkdir cool-retro-term.app/Contents/PlugIns
-cp -r qmltermwidget/QMLTermWidget cool-retro-term.app/Contents/PlugIns
-open cool-retro-term.app
-```
-
-## Donations
-I made this project in my spare time because I love what I'm doing. If you are enjoying it and you want to buy me a beer click [here](https://www.paypal.com/cgi-bin/webscr?cmd=_donations&business=flscogna%40gmail%2ecom&lc=IT&item_name=Filippo%20Scognamiglio&currency_code=EUR&bn=PP%2dDonationsBF%3abtn_donate_LG%2egif%3aNonHosted) .
-
-You can also add "bounties" on your favourite issues. More information on the [Bountysource](https://www.bountysource.com/teams/crt/issues) page.
+Check out the wiki and follow the instructions on how to build it on [Linux](https://github.com/Swordfish90/cool-retro-term/wiki/Build-Instructions-(Linux)) and [macOS](https://github.com/Swordfish90/cool-retro-term/wiki/Build-Instructions-(macOS)).

app/app.pro

@@ -1,18 +1,99 @@
-QT += qml quick widgets sql
+QT += qml quick widgets sql quickcontrols2
 TARGET = cool-retro-term
+APP_VERSION = $$system(git -C $$PWD/.. describe --tags --always --dirty=-dirty)
+isEmpty(APP_VERSION): APP_VERSION = "unknown"
+DEFINES += APP_VERSION=\\\"$$APP_VERSION\\\"
+
+# TODO: When migrating to CMake, use KDSingleApplication's CMakeLists.txt instead of these manual sources.
+INCLUDEPATH += $$PWD/../KDSingleApplication/src
+HEADERS += \
+    $$PWD/../KDSingleApplication/src/kdsingleapplication.h \
+    $$PWD/../KDSingleApplication/src/kdsingleapplication_lib.h \
+    $$PWD/../KDSingleApplication/src/kdsingleapplication_localsocket_p.h
+SOURCES += \
+    $$PWD/../KDSingleApplication/src/kdsingleapplication.cpp \
+    $$PWD/../KDSingleApplication/src/kdsingleapplication_localsocket.cpp
+DEFINES += KDSINGLEAPPLICATION_STATIC_BUILD
 
 DESTDIR = $$OUT_PWD/../
 
 HEADERS += \
-    fileio.h
+    fileio.h \
+    fontmanager.h \
+    fontlistmodel.h
 
-SOURCES = main.cpp \
-    fileio.cpp
+SOURCES += main.cpp \
+    fileio.cpp \
+    fontmanager.cpp \
+    fontlistmodel.cpp
 
 macx:ICON = icons/crt.icns
 
 RESOURCES += qml/resources.qrc
 
+# Shader compilation (Qt Shader Baker)
+QSB_BIN = $$[QT_HOST_BINS]/qsb
+isEmpty(QSB_BIN): QSB_BIN = $$[QT_INSTALL_BINS]/qsb
+
+SHADERS_DIR = $${_PRO_FILE_PWD_}/shaders
+SHADERS += $$files($$SHADERS_DIR/*.frag) $$files($$SHADERS_DIR/*.vert)
+SHADERS -= $$SHADERS_DIR/terminal_dynamic.frag
+SHADERS -= $$SHADERS_DIR/terminal_static.frag
+SHADERS -= $$SHADERS_DIR/passthrough.vert
+
+qsb.input = SHADERS
+qsb.output = ../../app/shaders/${QMAKE_FILE_NAME}.qsb
+qsb.commands = $$QSB_BIN --glsl \"100 es,120,150\" --hlsl 50 --msl 12 --qt6 -o ${QMAKE_FILE_OUT} ${QMAKE_FILE_IN}
+qsb.clean = $$qsb.output
+qsb.name = qsb ${QMAKE_FILE_IN}
+qsb.variable_out = QSB_FILES
+QMAKE_EXTRA_COMPILERS += qsb
+PRE_TARGETDEPS += $$QSB_FILES
+OTHER_FILES += $$SHADERS $$QSB_FILES
+
+DYNAMIC_SHADER = $$SHADERS_DIR/terminal_dynamic.frag
+STATIC_SHADER = $$SHADERS_DIR/terminal_static.frag
+
+RASTER_MODES = 0 1 2 3 4
+BINARY_FLAGS = 0 1
+VARIANT_SHADER_DIR = $$relative_path($$PWD/shaders, $$OUT_PWD)
+VARIANT_OUTPUTS =
+
+for(raster_mode, RASTER_MODES) {
+    for(burn_in, BINARY_FLAGS) {
+        for(display_frame, BINARY_FLAGS) {
+            for(chroma_on, BINARY_FLAGS) {
+                dynamic_variant = terminal_dynamic_raster$${raster_mode}_burn$${burn_in}_frame$${display_frame}_chroma$${chroma_on}
+                dynamic_output = $${VARIANT_SHADER_DIR}/$${dynamic_variant}.frag.qsb
+                dynamic_target = shader_variant_$${dynamic_variant}
+                $${dynamic_target}.target = $${dynamic_output}
+                $${dynamic_target}.depends = $$DYNAMIC_SHADER
+                $${dynamic_target}.commands = $$QSB_BIN --glsl \"100 es,120,150\" --hlsl 50 --msl 12 --qt6 -DCRT_RASTER_MODE=$${raster_mode} -DCRT_BURN_IN=$${burn_in} -DCRT_DISPLAY_FRAME=$${display_frame} -DCRT_CHROMA=$${chroma_on} -o $${dynamic_output} $$DYNAMIC_SHADER
+                QMAKE_EXTRA_TARGETS += $${dynamic_target}
+                VARIANT_OUTPUTS += $${dynamic_output}
+            }
+        }
+    }
+}
+
+for(rgb_shift, BINARY_FLAGS) {
+    for(bloom_on, BINARY_FLAGS) {
+        for(curve_on, BINARY_FLAGS) {
+            for(shine_on, BINARY_FLAGS) {
+                static_variant = terminal_static_rgb$${rgb_shift}_bloom$${bloom_on}_curve$${curve_on}_shine$${shine_on}
+                static_output = $${VARIANT_SHADER_DIR}/$${static_variant}.frag.qsb
+                static_target = shader_variant_$${static_variant}
+                $${static_target}.target = $${static_output}
+                $${static_target}.depends = $$STATIC_SHADER
+                $${static_target}.commands = $$QSB_BIN --glsl \"100 es,120,150\" --hlsl 50 --msl 12 --qt6 -DCRT_RGB_SHIFT=$${rgb_shift} -DCRT_BLOOM=$${bloom_on} -DCRT_CURVATURE=$${curve_on} -DCRT_FRAME_SHININESS=$${shine_on} -o $${static_output} $$STATIC_SHADER
+                QMAKE_EXTRA_TARGETS += $${static_target}
+                VARIANT_OUTPUTS += $${static_output}
+            }
+        }
+    }
+}
+PRE_TARGETDEPS += $${VARIANT_OUTPUTS}
+
 #########################################
 ##              INTALLS
 #########################################

app/fontlistmodel.cpp

@@ -0,0 +1,94 @@
+#include "fontlistmodel.h"
+
+FontListModel::FontListModel(QObject *parent)
+    : QAbstractListModel(parent)
+{
+}
+
+int FontListModel::rowCount(const QModelIndex &parent) const
+{
+    if (parent.isValid()) {
+        return 0;
+    }
+    return m_fonts.size();
+}
+
+QVariant FontListModel::data(const QModelIndex &index, int role) const
+{
+    if (!index.isValid() || index.row() < 0 || index.row() >= m_fonts.size()) {
+        return QVariant();
+    }
+
+    const FontEntry &font = m_fonts.at(index.row());
+
+    switch (role) {
+    case NameRole:
+        return font.name;
+    case TextRole:
+        return font.text;
+    case SourceRole:
+        return font.source;
+    case BaseWidthRole:
+        return font.baseWidth;
+    case PixelSizeRole:
+        return font.pixelSize;
+    case LowResolutionRole:
+        return font.lowResolutionFont;
+    case IsSystemRole:
+        return font.isSystemFont;
+    case FamilyRole:
+        return font.family;
+    case FallbackNameRole:
+        return font.fallbackName;
+    default:
+        return QVariant();
+    }
+}
+
+QHash<int, QByteArray> FontListModel::roleNames() const
+{
+    QHash<int, QByteArray> roles;
+    roles[NameRole] = "name";
+    roles[TextRole] = "text";
+    roles[SourceRole] = "source";
+    roles[BaseWidthRole] = "baseWidth";
+    roles[PixelSizeRole] = "pixelSize";
+    roles[LowResolutionRole] = "lowResolutionFont";
+    roles[IsSystemRole] = "isSystemFont";
+    roles[FamilyRole] = "family";
+    roles[FallbackNameRole] = "fallbackName";
+    return roles;
+}
+
+void FontListModel::setFonts(const QVector<FontEntry> &fonts)
+{
+    beginResetModel();
+    m_fonts = fonts;
+    endResetModel();
+    emit countChanged();
+}
+
+const QVector<FontEntry> &FontListModel::fonts() const
+{
+    return m_fonts;
+}
+
+QVariantMap FontListModel::get(int index) const
+{
+    QVariantMap map;
+    if (index < 0 || index >= m_fonts.size()) {
+        return map;
+    }
+
+    const FontEntry &font = m_fonts.at(index);
+    map.insert("name", font.name);
+    map.insert("text", font.text);
+    map.insert("source", font.source);
+    map.insert("baseWidth", font.baseWidth);
+    map.insert("pixelSize", font.pixelSize);
+    map.insert("lowResolutionFont", font.lowResolutionFont);
+    map.insert("isSystemFont", font.isSystemFont);
+    map.insert("family", font.family);
+    map.insert("fallbackName", font.fallbackName);
+    return map;
+}

app/fontlistmodel.h

@@ -0,0 +1,59 @@
+#ifndef FONTLISTMODEL_H
+#define FONTLISTMODEL_H
+
+#include <QAbstractListModel>
+#include <QVector>
+#include <QVariant>
+#include <QVariantMap>
+#include <QString>
+
+struct FontEntry
+{
+    QString name;
+    QString text;
+    QString source;
+    qreal baseWidth = 1.0;
+    int pixelSize = 0;
+    bool lowResolutionFont = false;
+    bool isSystemFont = false;
+    QString family;
+    QString fallbackName;
+};
+
+class FontListModel : public QAbstractListModel
+{
+    Q_OBJECT
+    Q_PROPERTY(int count READ rowCount NOTIFY countChanged)
+
+public:
+    explicit FontListModel(QObject *parent = nullptr);
+
+    enum Roles {
+        NameRole = Qt::UserRole + 1,
+        TextRole,
+        SourceRole,
+        BaseWidthRole,
+        PixelSizeRole,
+        LowResolutionRole,
+        IsSystemRole,
+        FamilyRole,
+        FallbackNameRole
+    };
+
+    int rowCount(const QModelIndex &parent = QModelIndex()) const override;
+    QVariant data(const QModelIndex &index, int role) const override;
+    QHash<int, QByteArray> roleNames() const override;
+
+    void setFonts(const QVector<FontEntry> &fonts);
+    const QVector<FontEntry> &fonts() const;
+
+    Q_INVOKABLE QVariantMap get(int index) const;
+
+signals:
+    void countChanged();
+
+private:
+    QVector<FontEntry> m_fonts;
+};
+
+#endif // FONTLISTMODEL_H

app/fontmanager.cpp

@@ -0,0 +1,584 @@
+#include "fontmanager.h"
+
+#include <QFont>
+#include <QFontDatabase>
+#include <QFontMetricsF>
+#include <QtGlobal>
+#include <QtMath>
+
+namespace {
+constexpr int kModernRasterization = 4;
+constexpr int kBaseFontPixelHeight = 32;
+constexpr int kSystemFontPixelSize = 32;
+}
+
+FontManager::FontManager(QObject *parent)
+    : QObject(parent)
+    , m_fontListModel(this)
+    , m_filteredFontListModel(this)
+{
+    populateBundledFonts();
+    populateSystemFonts();
+    m_fontListModel.setFonts(m_allFonts);
+    updateFilteredFonts();
+    updateComputedFont();
+}
+
+QStringList FontManager::retrieveMonospaceFonts()
+{
+    QStringList result;
+
+    QFontDatabase fontDatabase;
+    const QStringList fontFamilies = fontDatabase.families();
+
+    for (const QString &fontFamily : fontFamilies) {
+        QFont font(fontFamily);
+        if (fontDatabase.isFixedPitch(font.family())) {
+            result.append(fontFamily);
+        }
+    }
+
+    return result;
+}
+
+void FontManager::refresh()
+{
+    updateFilteredFonts();
+    updateComputedFont();
+}
+
+FontListModel *FontManager::fontList()
+{
+    return &m_fontListModel;
+}
+
+FontListModel *FontManager::filteredFontList()
+{
+    return &m_filteredFontListModel;
+}
+
+int FontManager::fontSource() const
+{
+    return m_fontSource;
+}
+
+void FontManager::setFontSource(int fontSource)
+{
+    if (m_fontSource == fontSource) {
+        return;
+    }
+    m_fontSource = fontSource;
+    emit fontSourceChanged();
+    updateFilteredFonts();
+    updateComputedFont();
+}
+
+int FontManager::rasterization() const
+{
+    return m_rasterization;
+}
+
+void FontManager::setRasterization(int rasterization)
+{
+    if (m_rasterization == rasterization) {
+        return;
+    }
+    m_rasterization = rasterization;
+    emit rasterizationChanged();
+    updateFilteredFonts();
+    updateComputedFont();
+}
+
+QString FontManager::fontName() const
+{
+    return m_fontName;
+}
+
+void FontManager::setFontName(const QString &fontName)
+{
+    if (m_fontName == fontName) {
+        return;
+    }
+    m_fontName = fontName;
+    emit fontNameChanged();
+    updateFilteredFonts();
+    updateComputedFont();
+}
+
+qreal FontManager::fontScaling() const
+{
+    return m_fontScaling;
+}
+
+void FontManager::setFontScaling(qreal fontScaling)
+{
+    if (qFuzzyCompare(m_fontScaling, fontScaling)) {
+        return;
+    }
+    m_fontScaling = fontScaling;
+    emit fontScalingChanged();
+    updateComputedFont();
+}
+
+qreal FontManager::fontWidth() const
+{
+    return m_fontWidth;
+}
+
+void FontManager::setFontWidth(qreal fontWidth)
+{
+    if (qFuzzyCompare(m_fontWidth, fontWidth)) {
+        return;
+    }
+    m_fontWidth = fontWidth;
+    emit fontWidthChanged();
+    updateComputedFont();
+}
+
+qreal FontManager::lineSpacing() const
+{
+    return m_lineSpacing;
+}
+
+void FontManager::setLineSpacing(qreal lineSpacing)
+{
+    if (qFuzzyCompare(m_lineSpacing, lineSpacing)) {
+        return;
+    }
+    m_lineSpacing = lineSpacing;
+    emit lineSpacingChanged();
+    updateComputedFont();
+}
+
+qreal FontManager::baseFontScaling() const
+{
+    return m_baseFontScaling;
+}
+
+void FontManager::setBaseFontScaling(qreal baseFontScaling)
+{
+    if (qFuzzyCompare(m_baseFontScaling, baseFontScaling)) {
+        return;
+    }
+    m_baseFontScaling = baseFontScaling;
+    emit baseFontScalingChanged();
+    updateComputedFont();
+}
+
+bool FontManager::lowResolutionFont() const
+{
+    return m_lowResolutionFont;
+}
+
+void FontManager::setFontSubstitutions(const QString &family, const QStringList &substitutes)
+{
+    if (family.isEmpty()) {
+        return;
+    }
+
+    QFont::removeSubstitutions(family);
+
+    if (substitutes.isEmpty()) {
+        return;
+    }
+
+    QFont::insertSubstitutions(family, substitutes);
+}
+
+void FontManager::removeFontSubstitution(const QString &family)
+{
+    if (family.isEmpty()) {
+        return;
+    }
+
+    QFont::removeSubstitutions(family);
+}
+
+void FontManager::populateBundledFonts()
+{
+    m_allFonts.clear();
+
+    addBundledFont(
+        "TERMINESS_SCALED",
+        "Terminess",
+        ":/fonts/terminus/TerminessNerdFontMono-Regular.ttf",
+        1.0,
+        12,
+        true);
+    addBundledFont(
+        "BIGBLUE_TERMINAL_SCALED",
+        "BigBlue Terminal",
+        ":/fonts/bigblue-terminal/BigBlueTerm437NerdFontMono-Regular.ttf",
+        1.0,
+        12,
+        true);
+    addBundledFont(
+        "EXCELSIOR_SCALED",
+        "Fixedsys Excelsior",
+        ":/fonts/fixedsys-excelsior/FSEX301-L2.ttf",
+        1.0,
+        16,
+        true,
+        "UNSCII_16_SCALED");
+    addBundledFont(
+        "GREYBEARD_SCALED",
+        "Greybeard",
+        ":/fonts/greybeard/Greybeard-16px.ttf",
+        1.0,
+        16,
+        true,
+        "UNSCII_16_SCALED");
+    addBundledFont(
+        "COMMODORE_PET_SCALED",
+        "Commodore PET",
+        ":/fonts/pet-me/PetMe.ttf",
+        0.5,
+        8,
+        true,
+        "UNSCII_8_SCALED");
+    addBundledFont(
+        "GOHU_11_SCALED",
+        "Gohu 11",
+        ":/fonts/gohu/GohuFont11NerdFontMono-Regular.ttf",
+        1.0,
+        11,
+        true);
+    addBundledFont(
+        "COZETTE_SCALED",
+        "Cozette",
+        ":/fonts/cozette/CozetteVector.ttf",
+        1.0,
+        13,
+        true);
+    addBundledFont(
+        "UNSCII_8_SCALED",
+        "Unscii 8",
+        ":/fonts/unscii/unscii-8.ttf",
+        0.5,
+        8,
+        true,
+        "UNSCII_8_SCALED");
+    addBundledFont(
+        "UNSCII_8_THIN_SCALED",
+        "Unscii 8 Thin",
+        ":/fonts/unscii/unscii-8-thin.ttf",
+        0.5,
+        8,
+        true,
+        "UNSCII_8_SCALED");
+    addBundledFont(
+        "UNSCII_16_SCALED",
+        "Unscii 16",
+        ":/fonts/unscii/unscii-16-full.ttf",
+        1.0,
+        16,
+        true,
+        "UNSCII_16_SCALED");
+    addBundledFont(
+        "APPLE_II_SCALED",
+        "Apple ][",
+        ":/fonts/apple2/PrintChar21.ttf",
+        0.5,
+        8,
+        true,
+        "UNSCII_8_SCALED");
+    addBundledFont(
+        "ATARI_400_SCALED",
+        "Atari 400-800",
+        ":/fonts/atari-400-800/AtariClassic-Regular.ttf",
+        0.5,
+        8,
+        true,
+        "UNSCII_8_SCALED");
+    addBundledFont(
+        "COMMODORE_64_SCALED",
+        "Commodore 64",
+        ":/fonts/pet-me/PetMe64.ttf",
+        0.5,
+        8,
+        true,
+        "UNSCII_8_SCALED");
+    addBundledFont(
+        "IBM_EGA_8x8",
+        "IBM EGA 8x8",
+        ":/fonts/oldschool-pc-fonts/PxPlus_IBM_EGA_8x8.ttf",
+        0.5,
+        8,
+        true,
+        "UNSCII_8_SCALED");
+    addBundledFont(
+        "IBM_VGA_8x16",
+        "IBM VGA 8x16",
+        ":/fonts/oldschool-pc-fonts/PxPlus_IBM_VGA_8x16.ttf",
+        1.0,
+        16,
+        true,
+        "UNSCII_16_SCALED");
+
+    addBundledFont(
+        "TERMINESS",
+        "Terminess",
+        ":/fonts/terminus/TerminessNerdFontMono-Regular.ttf",
+        1.0,
+        32,
+        false);
+    addBundledFont(
+        "HACK",
+        "Hack",
+        ":/fonts/hack/HackNerdFontMono-Regular.ttf",
+        1.0,
+        32,
+        false);
+    addBundledFont(
+        "FIRA_CODE",
+        "Fira Code",
+        ":/fonts/fira-code/FiraCodeNerdFontMono-Regular.ttf",
+        1.0,
+        32,
+        false);
+    addBundledFont(
+        "IOSEVKA",
+        "Iosevka",
+        ":/fonts/iosevka/IosevkaTermNerdFontMono-Regular.ttf",
+        1.0,
+        32,
+        false);
+    addBundledFont(
+        "JETBRAINS_MONO",
+        "JetBrains Mono",
+        ":/fonts/jetbrains-mono/JetBrainsMonoNerdFontMono-Regular.ttf",
+        1.0,
+        32,
+        false);
+    addBundledFont(
+        "IBM_3278",
+        "IBM 3278",
+        ":/fonts/ibm-3278/3270NerdFontMono-Regular.ttf",
+        1.0,
+        32,
+        false);
+    addBundledFont(
+        "SOURCE_CODE_PRO",
+        "Source Code Pro",
+        ":/fonts/source-code-pro/SauceCodeProNerdFontMono-Regular.ttf",
+        1.0,
+        32,
+        false);
+    addBundledFont(
+        "DEPARTURE_MONO_SCALED",
+        "Departure Mono",
+        ":/fonts/departure-mono/DepartureMonoNerdFontMono-Regular.otf",
+        1.0,
+        11,
+        true);
+    addBundledFont(
+        "OPENDYSLEXIC",
+        "OpenDyslexic",
+        ":/fonts/opendyslexic/OpenDyslexicMNerdFontMono-Regular.otf",
+        1.0,
+        32,
+        false);
+}
+
+void FontManager::addBundledFont(const QString &name,
+                                 const QString &text,
+                                 const QString &source,
+                                 qreal baseWidth,
+                                 int pixelSize,
+                                 bool lowResolutionFont,
+                                 const QString &fallbackName)
+{
+    FontEntry entry;
+    entry.name = name;
+    entry.text = text;
+    entry.source = source;
+    entry.pixelSize = pixelSize;
+    entry.lowResolutionFont = lowResolutionFont;
+    entry.isSystemFont = false;
+    entry.fallbackName = fallbackName;
+    entry.family = resolveFontFamily(source);
+    entry.baseWidth = lowResolutionFont
+        ? computeBaseWidth(entry.family, pixelSize, baseWidth)
+        : baseWidth;
+    m_allFonts.append(entry);
+}
+
+void FontManager::populateSystemFonts()
+{
+    const QStringList families = retrieveMonospaceFonts();
+    for (const QString &family : families) {
+        if (m_bundledFamilies.contains(family)) {
+            continue;
+        }
+        FontEntry entry;
+        entry.name = family;
+        entry.text = family;
+        entry.source = QString();
+        entry.baseWidth = 1.0;
+        entry.pixelSize = kSystemFontPixelSize;
+        entry.lowResolutionFont = false;
+        entry.isSystemFont = true;
+        entry.family = family;
+        m_allFonts.append(entry);
+    }
+}
+
+void FontManager::updateFilteredFonts()
+{
+    QVector<FontEntry> filtered;
+    bool fontNameFound = false;
+    const bool modernMode = (m_rasterization == kModernRasterization);
+
+    for (const FontEntry &font : m_allFonts) {
+        const bool isBundled = !font.isSystemFont;
+        const bool matchesSource = (m_fontSource == 0 && isBundled)
+            || (m_fontSource == 1 && font.isSystemFont);
+
+        if (!matchesSource) {
+            continue;
+        }
+
+        const bool matchesRasterization = font.isSystemFont
+            || (modernMode == !font.lowResolutionFont);
+
+        if (!matchesRasterization) {
+            continue;
+        }
+
+        filtered.append(font);
+        if (font.name == m_fontName) {
+            fontNameFound = true;
+        }
+    }
+
+    if (!fontNameFound && !filtered.isEmpty()) {
+        if (m_fontName != filtered.first().name) {
+            m_fontName = filtered.first().name;
+            emit fontNameChanged();
+        }
+    }
+
+    m_filteredFontListModel.setFonts(filtered);
+    emit filteredFontListChanged();
+}
+
+void FontManager::updateComputedFont()
+{
+    const FontEntry *font = findFontByName(m_fontName);
+    if (!font) {
+        const QVector<FontEntry> &filteredFonts = m_filteredFontListModel.fonts();
+        if (!filteredFonts.isEmpty()) {
+            font = &filteredFonts.first();
+        }
+    }
+
+    if (!font) {
+        return;
+    }
+
+    const qreal totalFontScaling = m_baseFontScaling * m_fontScaling;
+    const qreal targetPixelHeight = kBaseFontPixelHeight * totalFontScaling;
+    const qreal lineSpacingFactor = m_lineSpacing;
+
+    const int lineSpacing = qRound(targetPixelHeight * lineSpacingFactor);
+    const int pixelSize = font->lowResolutionFont
+        ? font->pixelSize
+        : static_cast<int>(targetPixelHeight);
+
+    const qreal nativeLineHeight = font->pixelSize + qRound(font->pixelSize * lineSpacingFactor);
+    const qreal targetLineHeight = targetPixelHeight + lineSpacing;
+    const qreal screenScaling = font->lowResolutionFont
+        ? (nativeLineHeight > 0 ? targetLineHeight / nativeLineHeight : 1.0)
+        : 1.0;
+
+    const qreal fontWidth = font->baseWidth * m_fontWidth;
+
+    QString fontFamily = font->family.isEmpty() ? font->name : font->family;
+    QString fallbackFontFamily;
+
+    if (!font->fallbackName.isEmpty() && font->fallbackName != font->name) {
+        const FontEntry *fallback = findFontByName(font->fallbackName);
+        if (fallback) {
+            fallbackFontFamily = fallback->family.isEmpty() ? fallback->name : fallback->family;
+        }
+    }
+
+    QStringList fallbackChain;
+    if (!fallbackFontFamily.isEmpty()) {
+        fallbackChain.append(fallbackFontFamily);
+    }
+#if defined(Q_OS_MAC)
+    fallbackChain.append(QStringLiteral("Menlo"));
+#else
+    fallbackChain.append(QStringLiteral("Monospace"));
+#endif
+    setFontSubstitutions(fontFamily, fallbackChain);
+
+    if (m_lowResolutionFont != font->lowResolutionFont) {
+        m_lowResolutionFont = font->lowResolutionFont;
+        emit lowResolutionFontChanged();
+    }
+
+    emit terminalFontChanged(fontFamily,
+                             pixelSize,
+                             lineSpacing,
+                             screenScaling,
+                             fontWidth,
+                             fallbackFontFamily,
+                             font->lowResolutionFont);
+}
+
+const FontEntry *FontManager::findFontByName(const QString &name) const
+{
+    for (const FontEntry &font : m_allFonts) {
+        if (font.name == name) {
+            return &font;
+        }
+    }
+    return nullptr;
+}
+
+QString FontManager::resolveFontFamily(const QString &sourcePath)
+{
+    const auto cached = m_loadedFamilies.constFind(sourcePath);
+    if (cached != m_loadedFamilies.constEnd()) {
+        return cached.value();
+    }
+
+    const int fontId = QFontDatabase::addApplicationFont(sourcePath);
+    QString family;
+    if (fontId != -1) {
+        const QStringList families = QFontDatabase::applicationFontFamilies(fontId);
+        if (!families.isEmpty()) {
+            family = families.first();
+        }
+    }
+
+    if (!family.isEmpty()) {
+        m_bundledFamilies.insert(family);
+    }
+
+    m_loadedFamilies.insert(sourcePath, family);
+    return family;
+}
+
+qreal FontManager::computeBaseWidth(const QString &family, int pixelSize, qreal fallbackWidth) const
+{
+    if (family.isEmpty()) {
+        return fallbackWidth;
+    }
+
+    QFont font(family);
+    font.setPixelSize(pixelSize);
+    QFontMetricsF metrics(font);
+
+    const qreal glyphWidth = metrics.horizontalAdvance(QLatin1String("M"));
+    const qreal glyphHeight = metrics.height();
+    if (glyphWidth <= 0.0 || glyphHeight <= 0.0) {
+        return fallbackWidth;
+    }
+
+    const qreal targetRatio = 0.5;
+    qreal computedWidth = (targetRatio * glyphHeight) / glyphWidth;
+    return qBound(0.25, computedWidth, 2.0);
+}

app/fontmanager.h

@@ -0,0 +1,111 @@
+#ifndef FONTMANAGER_H
+#define FONTMANAGER_H
+
+#include <QObject>
+#include <QStringList>
+#include <QHash>
+#include <QSet>
+
+#include "fontlistmodel.h"
+
+class FontManager : public QObject
+{
+    Q_OBJECT
+    Q_PROPERTY(FontListModel *fontList READ fontList CONSTANT)
+    Q_PROPERTY(FontListModel *filteredFontList READ filteredFontList NOTIFY filteredFontListChanged)
+    Q_PROPERTY(int fontSource READ fontSource WRITE setFontSource NOTIFY fontSourceChanged)
+    Q_PROPERTY(int rasterization READ rasterization WRITE setRasterization NOTIFY rasterizationChanged)
+    Q_PROPERTY(QString fontName READ fontName WRITE setFontName NOTIFY fontNameChanged)
+    Q_PROPERTY(qreal fontScaling READ fontScaling WRITE setFontScaling NOTIFY fontScalingChanged)
+    Q_PROPERTY(qreal fontWidth READ fontWidth WRITE setFontWidth NOTIFY fontWidthChanged)
+    Q_PROPERTY(qreal lineSpacing READ lineSpacing WRITE setLineSpacing NOTIFY lineSpacingChanged)
+    Q_PROPERTY(qreal baseFontScaling READ baseFontScaling WRITE setBaseFontScaling NOTIFY baseFontScalingChanged)
+    Q_PROPERTY(bool lowResolutionFont READ lowResolutionFont NOTIFY lowResolutionFontChanged)
+
+public:
+    explicit FontManager(QObject *parent = nullptr);
+
+    Q_INVOKABLE void refresh();
+
+    FontListModel *fontList();
+    FontListModel *filteredFontList();
+
+    int fontSource() const;
+    void setFontSource(int fontSource);
+
+    int rasterization() const;
+    void setRasterization(int rasterization);
+
+    QString fontName() const;
+    void setFontName(const QString &fontName);
+
+    qreal fontScaling() const;
+    void setFontScaling(qreal fontScaling);
+
+    qreal fontWidth() const;
+    void setFontWidth(qreal fontWidth);
+
+    qreal lineSpacing() const;
+    void setLineSpacing(qreal lineSpacing);
+
+    qreal baseFontScaling() const;
+    void setBaseFontScaling(qreal baseFontScaling);
+
+    bool lowResolutionFont() const;
+
+signals:
+    void fontSourceChanged();
+    void rasterizationChanged();
+    void fontNameChanged();
+    void fontScalingChanged();
+    void fontWidthChanged();
+    void lineSpacingChanged();
+    void baseFontScalingChanged();
+    void lowResolutionFontChanged();
+    void filteredFontListChanged();
+
+    void terminalFontChanged(QString fontFamily,
+                             int pixelSize,
+                             int lineSpacing,
+                             qreal screenScaling,
+                             qreal fontWidth,
+                             QString fallbackFontFamily,
+                             bool lowResolutionFont);
+
+private:
+    QStringList retrieveMonospaceFonts();
+    void populateBundledFonts();
+    void populateSystemFonts();
+    void addBundledFont(const QString &name,
+                        const QString &text,
+                        const QString &source,
+                        qreal baseWidth,
+                        int pixelSize,
+                        bool lowResolutionFont,
+                        const QString &fallbackName = QString());
+    void setFontSubstitutions(const QString &family, const QStringList &substitutes);
+    void removeFontSubstitution(const QString &family);
+    void updateFilteredFonts();
+    void updateComputedFont();
+    const FontEntry *findFontByName(const QString &name) const;
+    QString resolveFontFamily(const QString &sourcePath);
+    qreal computeBaseWidth(const QString &family, int pixelSize, qreal fallbackWidth) const;
+
+    FontListModel m_fontListModel;
+    FontListModel m_filteredFontListModel;
+    QVector<FontEntry> m_allFonts;
+
+    int m_fontSource = 0;
+    int m_rasterization = 0;
+    QString m_fontName = QStringLiteral("TERMINESS_SCALED");
+    qreal m_fontScaling = 1.0;
+    qreal m_fontWidth = 1.0;
+    qreal m_lineSpacing = 0.1;
+    qreal m_baseFontScaling = 0.75;
+    bool m_lowResolutionFont = false;
+
+    QHash<QString, QString> m_loadedFamilies;
+    QSet<QString> m_bundledFamilies;
+};
+
+#endif // FONTMANAGER_H

app/main.cpp

@@ -6,11 +6,25 @@
 
 #include <QtWidgets/QApplication>
 #include <QIcon>
+#include <QQuickStyle>
+#include <QtQml/qqml.h>
+
+#include <kdsingleapplication.h>
 
 #include <QDebug>
 #include <stdlib.h>
 
+#include <QLoggingCategory>
+
 #include <fileio.h>
+#include <fontlistmodel.h>
+#include <fontmanager.h>
+
+#if defined(Q_OS_MAC)
+#include <CoreFoundation/CoreFoundation.h>
+#include <QStyleFactory>
+#include <QMenu>
+#endif
 
 QString getNamedArgument(QStringList args, QString name, QString defaultName)
 {
@@ -26,45 +40,79 @@ QString getNamedArgument(QStringList args, QString name)
 int main(int argc, char *argv[])
 {
     // Some environmental variable are necessary on certain platforms.
+    // Disable Connections slot warnings
+    QLoggingCategory::setFilterRules("qt.qml.connections.warning=false");
+    QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::Round);
 
-    // This disables QT appmenu under Ubuntu, which is not working with QML apps.
-    setenv("QT_QPA_PLATFORMTHEME", "", 1);
+// #if defined (Q_OS_LINUX)
+//     setenv("QSG_RENDER_LOOP", "threaded", 0);
+// #endif
 
 #if defined(Q_OS_MAC)
     // This allows UTF-8 characters usage in OSX.
     setenv("LC_CTYPE", "UTF-8", 1);
+
+    // Ensure key repeat works for letter keys (disable macOS press-and-hold for this app).
+    CFPreferencesSetAppValue(CFSTR("ApplePressAndHoldEnabled"), kCFBooleanFalse, kCFPreferencesCurrentApplication);
+    CFPreferencesAppSynchronize(kCFPreferencesCurrentApplication);
+
+    // Qt6 macOS default look is still lacking, so let's force Fusion for now
+    QQuickStyle::setStyle(QStringLiteral("Fusion"));
 #endif
 
+    if (argc>1 && (!strcmp(argv[1],"-h") || !strcmp(argv[1],"--help"))) {
+        QTextStream cout(stdout, QIODevice::WriteOnly);
+        cout << "Usage: " << argv[0] << " [--default-settings] [--workdir <dir>] [--program <prog>] [-p|--profile <prof>] [--fullscreen] [-h|--help]" << Qt::endl;
+        cout << "  --default-settings  Run cool-retro-term with the default settings" << Qt::endl;
+        cout << "  --workdir <dir>     Change working directory to 'dir'" << Qt::endl;
+        cout << "  -e <cmd>            Command to execute. This option will catch all following arguments, so use it as the last option." << Qt::endl;
+        cout << "  --fullscreen        Run cool-retro-term in fullscreen." << Qt::endl;
+        cout << "  -p|--profile <prof> Run cool-retro-term with the given profile." << Qt::endl;
+        cout << "  -h|--help           Print this help." << Qt::endl;
+        cout << "  --verbose           Print additional information such as profiles and settings." << Qt::endl;
+        return 0;
+    }
+
+    QString appVersion(QStringLiteral(APP_VERSION));
+
+    if (argc>1 && (!strcmp(argv[1],"-v") || !strcmp(argv[1],"--version"))) {
+        QTextStream cout(stdout, QIODevice::WriteOnly);
+        cout << "cool-retro-term " << appVersion << Qt::endl;
+        return 0;
+    }
+
     QApplication app(argc, argv);
+    app.setAttribute(Qt::AA_MacDontSwapCtrlAndMeta, true);
+    app.setApplicationName(QStringLiteral("cool-retro-term"));
+    app.setOrganizationName(QStringLiteral("cool-retro-term"));
+    app.setOrganizationDomain(QStringLiteral("cool-retro-term"));
+    app.setApplicationVersion(appVersion);
+
+    KDSingleApplication singleApp(QStringLiteral("cool-retro-term"));
+
+    if (!singleApp.isPrimaryInstance()) {
+        if (singleApp.sendMessage("new-window"))
+            return 0;
+        qWarning() << "KDSingleApplication: primary not reachable, continuing as independent instance.";
+    }
+
     QQmlApplicationEngine engine;
     FileIO fileIO;
 
+    qmlRegisterType<FontManager>("CoolRetroTerm", 1, 0, "FontManager");
+    qmlRegisterUncreatableType<FontListModel>("CoolRetroTerm", 1, 0, "FontListModel", "FontListModel is created by FontManager");
+
 #if !defined(Q_OS_MAC)
     app.setWindowIcon(QIcon::fromTheme("cool-retro-term", QIcon(":../icons/32x32/cool-retro-term.png")));
+#if defined(Q_OS_LINUX)
+    QGuiApplication::setDesktopFileName(QStringLiteral("cool-retro-term"));
+#endif
 #else
     app.setWindowIcon(QIcon(":../icons/32x32/cool-retro-term.png"));
 #endif
 
     // Manage command line arguments from the cpp side
     QStringList args = app.arguments();
-    if (args.contains("-h") || args.contains("--help")) {
-        // BUG: This usage help text goes to stderr, should go to stdout.
-        // BUG: First line of output is surrounded by double quotes.
-        qDebug() << "Usage: " + args.at(0) + " [--default-settings] [--workdir <dir>] [--program <prog>] [-p|--profile <prof>] [--fullscreen] [-h|--help]";
-        qDebug() << "  --default-settings  Run cool-retro-term with the default settings";
-        qDebug() << "  --workdir <dir>     Change working directory to 'dir'";
-        qDebug() << "  -e <cmd>            Command to execute. This option will catch all following arguments, so use it as the last option.";
-        qDebug() << "  --fullscreen        Run cool-retro-term in fullscreen.";
-        qDebug() << "  -p|--profile <prof> Run cool-retro-term with the given profile.";
-        qDebug() << "  -h|--help           Print this help.";
-        qDebug() << "  --verbose           Print additional information such as profiles and settings.";
-        return 0;
-    }
-
-    if (args.contains("-v") || args.contains("--version")) {
-        qDebug() << "cool-retro-term 1.0.1";
-	return 0;
-    }
 
     // Manage default command
     QStringList cmdList;
@@ -73,19 +121,18 @@ int main(int argc, char *argv[])
     }
     QVariant command(cmdList.empty() ? QVariant() : cmdList[0]);
     QVariant commandArgs(cmdList.size() <= 1 ? QVariant() : QVariant(cmdList.mid(1)));
+    engine.rootContext()->setContextProperty("appVersion", appVersion);
     engine.rootContext()->setContextProperty("defaultCmd", command);
     engine.rootContext()->setContextProperty("defaultCmdArgs", commandArgs);
 
     engine.rootContext()->setContextProperty("workdir", getNamedArgument(args, "--workdir", "$HOME"));
     engine.rootContext()->setContextProperty("fileIO", &fileIO);
 
-    engine.rootContext()->setContextProperty("devicePixelRatio", app.devicePixelRatio());
-
     // Manage import paths for Linux and OSX.
     QStringList importPathList = engine.importPathList();
-    importPathList.prepend(QCoreApplication::applicationDirPath() + "/qmltermwidget");
-    importPathList.prepend(QCoreApplication::applicationDirPath() + "/../PlugIns");
-    importPathList.prepend(QCoreApplication::applicationDirPath() + "/../../../qmltermwidget");
+    importPathList.append(QCoreApplication::applicationDirPath() + "/qmltermwidget");
+    importPathList.append(QCoreApplication::applicationDirPath() + "/../PlugIns");
+    importPathList.append(QCoreApplication::applicationDirPath() + "/../../../qmltermwidget");
     engine.setImportPathList(importPathList);
 
     engine.load(QUrl(QStringLiteral ("qrc:/main.qml")));
@@ -98,5 +145,25 @@ int main(int argc, char *argv[])
     // Quit the application when the engine closes.
     QObject::connect((QObject*) &engine, SIGNAL(quit()), (QObject*) &app, SLOT(quit()));
 
+    auto requestNewWindow = [&engine]() {
+        if (engine.rootObjects().isEmpty())
+            return;
+
+        QObject *rootObject = engine.rootObjects().constFirst();
+        QMetaObject::invokeMethod(rootObject, "createWindow", Qt::QueuedConnection);
+    };
+
+    QObject::connect(&singleApp, &KDSingleApplication::messageReceived, &app,
+                     [&requestNewWindow](const QByteArray &message) {
+        if (message.isEmpty() || message == QByteArray("new-window"))
+            requestNewWindow();
+    });
+
+#if defined(Q_OS_MAC)
+    QMenu *dockMenu = new QMenu(nullptr);
+    dockMenu->addAction(QObject::tr("New Window"), [&requestNewWindow]() { requestNewWindow(); });
+    dockMenu->setAsDockMenu();
+#endif
+
     return app.exec();
 }

app/qml/AboutDialog.qml

@@ -1,26 +1,47 @@
+/*******************************************************************************
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
+* https://github.com/Swordfish90/cool-retro-term
+*
+* This file is part of cool-retro-term.
+*
+* cool-retro-term is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*******************************************************************************/
 import QtQuick 2.2
-import QtQuick.Controls 1.1
+import QtQuick.Controls 2.2
 import QtQuick.Layouts 1.1
 import QtQuick.Window 2.0
 
-Window{
+ApplicationWindow {
     id: dialogwindow
     title: qsTr("About")
     width: 600
     height: 400
 
-    modality: Qt.ApplicationModal
-
-    ColumnLayout{
+    ColumnLayout {
         anchors.fill: parent
         anchors.margins: 15
         spacing: 15
         Text {
-            anchors.horizontalCenter: parent.horizontalCenter
+            Layout.alignment: Qt.AlignHCenter
             text: "cool-retro-term"
-            font {bold: true; pointSize: 18}
+            color: palette.text
+            font {
+                bold: true
+                pointSize: 18
             }
-        Loader{
+        }
+        Loader {
             id: mainContent
             Layout.fillHeight: true
             Layout.fillWidth: true
@@ -41,69 +62,73 @@ Window{
                     }
                 }
             ]
-            Component.onCompleted: mainContent.state = "Default";
+            Component.onCompleted: mainContent.state = "Default"
         }
-        Item{
+        Item {
             Layout.fillWidth: true
             height: childrenRect.height
-            Button{
+            Button {
                 anchors.left: parent.left
                 text: qsTr("License")
                 onClicked: {
-                    mainContent.state == "Default" ? mainContent.state = "License" : mainContent.state = "Default"
+                    mainContent.state == "Default" ? mainContent.state
+                                                     = "License" : mainContent.state = "Default"
                 }
             }
-            Button{
+            Button {
                 anchors.right: parent.right
                 text: qsTr("Close")
-                onClicked: dialogwindow.close();
+                onClicked: dialogwindow.close()
             }
         }
     }
     // MAIN COMPONENTS ////////////////////////////////////////////////////////
-    Component{
+    Component {
         id: defaultComponent
-        ColumnLayout{
+        ColumnLayout {
             anchors.fill: parent
             spacing: 10
-            Image{
+            Image {
                 Layout.fillWidth: true
                 Layout.fillHeight: true
-                anchors.horizontalCenter: parent.horizontalCenter
+                Layout.alignment: Qt.AlignHCenter
                 fillMode: Image.PreserveAspectFit
                 source: "images/crt256.png"
                 smooth: true
             }
-            Text{
-                anchors.horizontalCenter: parent.horizontalCenter
+            Text {
+                Layout.alignment: Qt.AlignCenter
                 horizontalAlignment: Text.AlignHCenter
-                text: appSettings.version + "\n" +
-                      qsTr("Author: ") + "Filippo Scognamiglio\n" +
-                      qsTr("Email: ")  + "flscogna@gmail.com\n" +
-                      qsTr("Source: ") + "https://github.com/Swordfish90/cool-retro-term\n"
+                color: palette.text
+                text: appSettings.version + "\n" + qsTr(
+                          "Author: ") + "Filippo Scognamiglio\n" + qsTr(
+                          "Email: ") + "flscogna@gmail.com\n" + qsTr(
+                          "Source: ") + "https://github.com/Swordfish90/cool-retro-term\n"
             }
         }
     }
-    Component{
+    Component {
         id: licenseComponent
-        TextArea{
+        ScrollView {
             anchors.fill: parent
+            clip: true
+            TextArea {
                 readOnly: true
-            text: "Copyright (c) 2013 Filippo Scognamiglio <flscogna@gmail.com>\n\n" +
-                  "https://github.com/Swordfish90/cool-retro-term\n\n" +
-
-                  "cool-retro-term is free software: you can redistribute it and/or modify " +
-                  "it under the terms of the GNU General Public License as published by " +
-                  "the Free Software Foundation, either version 3 of the License, or " +
-                  "(at your option) any later version.\n\n" +
-
-                  "This program is distributed in the hope that it will be useful, " +
-                  "but WITHOUT ANY WARRANTY; without even the implied warranty of " +
-                  "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the " +
-                  "GNU General Public License for more details.\n\n" +
-
-                  "You should have received a copy of the GNU General Public License " +
-                  "along with this program.  If not, see <http://www.gnu.org/licenses/>."
+                wrapMode: TextEdit.Wrap
+                color: palette.text
+                text: "Copyright (c) 2013-2025 Filippo Scognamiglio <flscogna@gmail.com>\n\n"
+                      + "https://github.com/Swordfish90/cool-retro-term\n\n" +
+                      "cool-retro-term is free software: you can redistribute it and/or modify "
+                      + "it under the terms of the GNU General Public License as published by "
+                      + "the Free Software Foundation, either version 3 of the License, or "
+                      + "(at your option) any later version.\n\n" +
+                      "This program is distributed in the hope that it will be useful, "
+                      + "but WITHOUT ANY WARRANTY; without even the implied warranty of "
+                      + "MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the "
+                      + "GNU General Public License for more details.\n\n" +
+                      "You should have received a copy of the GNU General Public License "
+                      + "along with this program.  If not, see <http://www.gnu.org/licenses/>."
+            }
         }
     }
 }

app/qml/BurnInEffect.qml

@@ -0,0 +1,129 @@
+/*******************************************************************************
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
+* https://github.com/Swordfish90/cool-retro-term
+*
+* This file is part of cool-retro-term.
+*
+* cool-retro-term is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*******************************************************************************/
+import QtQuick 2.0
+
+import "utils.js" as Utils
+
+Loader {
+    id: burnInEffect
+
+    property ShaderEffectSource effectSource: item ? item.source : null
+
+    property real lastUpdate: 0
+    property real prevLastUpdate: 0
+
+    property real burnIn: appSettings.burnIn
+    property real burnInFadeTime: 1 / Utils.lint(_minBurnInFadeTime, _maxBurnInFadeTime, burnIn)
+    property real _minBurnInFadeTime: appSettings.minBurnInFadeTime
+    property real _maxBurnInFadeTime: appSettings.maxBurnInFadeTime
+
+    active: appSettings.burnIn !== 0
+
+    anchors.fill: parent
+
+    function completelyUpdate() {
+        let newTime = timeManager.time
+        if (newTime > lastUpdate) {
+            prevLastUpdate = lastUpdate
+            lastUpdate = newTime
+        }
+
+        item.source.scheduleUpdate()
+    }
+
+    function restartBlurSource() {
+        prevLastUpdate = timeManager.time
+        lastUpdate = prevLastUpdate
+        completelyUpdate()
+    }
+
+    sourceComponent: Item {
+        property alias source: burnInEffectSource
+
+        ShaderEffectSource {
+            id: burnInEffectSource
+
+            anchors.fill: parent
+
+            sourceItem: burnInShaderEffect
+            live: false
+            recursive: true
+            hideSource: true
+            wrapMode: ShaderEffectSource.ClampToEdge
+
+            format: ShaderEffectSource.RGBA
+            smooth: true
+
+            visible: false
+
+            Connections {
+                target: kterminal
+
+                onImagePainted: {
+                    completelyUpdate()
+                }
+            }
+            // Restart blurred source settings change.
+            Connections {
+                target: appSettings.fontManager
+
+                onTerminalFontChanged: {
+                    burnInEffect.restartBlurSource()
+                }
+            }
+
+            Connections {
+                target: appSettings
+
+                onBurnInChanged: {
+                    burnInEffect.restartBlurSource()
+                }
+
+                onRasterizationChanged: {
+                    burnInEffect.restartBlurSource()
+                }
+
+                onBurnInQualityChanged: {
+                    burnInEffect.restartBlurSource()
+                }
+            }
+        }
+
+        ShaderEffect {
+            id: burnInShaderEffect
+
+            property real time: timeManager.time
+
+            property variant txt_source: kterminalSource
+            property variant burnInSource: burnInEffectSource
+            property real burnInTime: burnInFadeTime
+            property real burnInLastUpdate: burnInEffect.lastUpdate
+            property real prevLastUpdate: burnInEffect.prevLastUpdate
+
+            anchors.fill: parent
+            blending: false
+
+            fragmentShader: "qrc:/shaders/burn_in.frag.qsb"
+            vertexShader: "qrc:/shaders/burn_in.vert.qsb"
+
+            onStatusChanged: if (log) console.log(log) //Print warning messages
+        }
+    }
+}

app/qml/CRTMainMenuBar.qml

@@ -1,51 +0,0 @@
-import QtQuick 2.2
-import QtQuick.Controls 1.1
-
-MenuBar {
-    id: defaultMenuBar
-    property bool visible: true
-    Menu {
-        title: qsTr("File")
-        visible: defaultMenuBar.visible
-        MenuItem {action: quitAction}
-    }
-    Menu {
-        title: qsTr("Edit")
-        visible: defaultMenuBar.visible
-        MenuItem {action: copyAction}
-        MenuItem {action: pasteAction}
-        MenuSeparator{visible: Qt.platform.os !== "osx"}
-        MenuItem {action: showsettingsAction}
-    }
-    Menu{
-        title: qsTr("View")
-        visible: defaultMenuBar.visible
-        MenuItem {action: fullscreenAction; visible: fullscreenAction.enabled}
-        MenuItem {action: showMenubarAction; visible: showMenubarAction.enabled}
-        MenuSeparator{visible: showMenubarAction.enabled}
-        MenuItem {action: zoomIn}
-        MenuItem {action: zoomOut}
-    }
-    Menu{
-        id: profilesMenu
-        title: qsTr("Profiles")
-        visible: defaultMenuBar.visible
-        Instantiator{
-            model: appSettings.profilesList
-            delegate: MenuItem {
-                text: model.text
-                onTriggered: {
-                    appSettings.loadProfileString(obj_string);
-                    appSettings.handleFontChanged();
-                }
-            }
-            onObjectAdded: profilesMenu.insertItem(index, object)
-            onObjectRemoved: profilesMenu.removeItem(object)
-        }
-    }
-    Menu{
-        title: qsTr("Help")
-        visible: defaultMenuBar.visible
-        MenuItem {action: showAboutAction}
-    }
-}

app/qml/CheckableSlider.qml

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
 * https://github.com/Swordfish90/cool-retro-term
 *
 * This file is part of cool-retro-term.
@@ -17,9 +17,8 @@
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
-
 import QtQuick 2.2
-import QtQuick.Controls 1.1
+import QtQuick.Controls 2.0
 import QtQuick.Layouts 1.1
 
 import "Components"
@@ -28,47 +27,46 @@ RowLayout {
     property alias name: check.text
 
     property double value
-    property alias min_value: slider.minimumValue
-    property alias max_value: slider.maximumValue
+    property alias min_value: slider.from
+    property alias max_value: slider.to
     property alias stepSize: slider.stepSize
 
-    signal newValue(real newValue);
+    signal newValue(real newValue)
 
     id: setting_component
-    anchors.left: parent.left
-    anchors.right: parent.right
+    Layout.fillWidth: true
 
     onValueChanged: {
-        check.checked = !(value == 0);
-        if(check.checked)
-            slider.value = value;
+        check.checked = !(value == 0)
+        if (check.checked)
+            slider.value = value
     }
 
-    CheckBox{
+    CheckBox {
         id: check
         implicitWidth: 160
         onClicked: {
-            if(!checked){
-                checked = false;
-                slider.enabled = false;
-                newValue(0);
+            if (!checked) {
+                checked = false
+                slider.enabled = false
+                newValue(0)
             } else {
-                checked = true;
-                newValue(slider.value);
-                slider.enabled = true;
+                checked = true
+                newValue(slider.value)
+                slider.enabled = true
             }
         }
     }
-    Slider{
+    Slider {
         id: slider
         stepSize: parent.stepSize
         Layout.fillWidth: true
         onValueChanged: {
-            newValue(value);
+            newValue(value)
         }
     }
     SizedLabel {
-        anchors { top: parent.top; bottom: parent.bottom }
-        text: Math.round(((value - min_value) / (max_value - min_value)) * 100) + "%"
+        text: Math.round(
+                  ((value - min_value) / (max_value - min_value)) * 100) + "%"
     }
 }

app/qml/ColorButton.qml

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
 * https://github.com/Swordfish90/cool-retro-term
 *
 * This file is part of cool-retro-term.
@@ -17,14 +17,13 @@
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
-
 import QtQuick 2.2
-import QtQuick.Dialogs 1.1
+import QtQuick.Dialogs
 
 Item {
     id: rootItem
 
-    signal colorSelected (color color)
+    signal colorSelected(color color)
     property color color
     property string name
 
@@ -32,18 +31,19 @@ Item {
         id: colorDialog
         title: qsTr("Choose a color")
         modality: Qt.ApplicationModal
-        visible: false
+        selectedColor: rootItem.color
 
-        //This is a workaround to a Qt 5.2 bug.
-        onColorChanged: if (Qt.platform.os !== "osx") colorSelected(color)
-        onAccepted: if (Qt.platform.os === "osx") colorSelected(color)
+        onSelectedColorChanged: {
+            if (!appSettings.isMacOS && visible)
+                colorSelected(selectedColor)
         }
-    Rectangle{
+        onAccepted: colorSelected(selectedColor)
+    }
+    Rectangle {
         anchors.fill: parent
         radius: 10
         color: rootItem.color
-        border.color: "black"
-        Glossy {}
+
         Rectangle {
             anchors.fill: parent
             anchors.margins: parent.height * 0.25
@@ -51,14 +51,14 @@ Item {
             color: "white"
             opacity: 0.5
         }
-        Text{
+        Text {
             anchors.centerIn: parent
             z: parent.z + 1
             text: name + ":  " + rootItem.color
         }
     }
-    MouseArea{
+    MouseArea {
         anchors.fill: parent
-        onClicked: colorDialog.visible = true;
+        onClicked: colorDialog.open()
     }
 }

app/qml/Components/SizedLabel.qml

@@ -1,5 +1,7 @@
+
+
 /*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
 * https://github.com/Swordfish90/cool-retro-term
 *
 * This file is part of cool-retro-term.
@@ -17,19 +19,14 @@
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
-
-
 import QtQuick 2.0
-import QtQuick.Controls 1.0
+import QtQuick.Controls 2.0
+import QtQuick.Layouts 1.0
 
 // This component is simply a label with a predefined size.
 // Used to improve alignment.
-
-Item {
-    property alias text: textfield.text
-    width: appSettings.labelWidth
-    Label{
+Label {
     id: textfield
-        anchors { right: parent.right; verticalCenter: parent.verticalCenter }
-    }
+    Layout.minimumWidth: appSettings.labelWidth
+    width: appSettings.labelWidth
 }

app/qml/FontPixels.qml

@@ -1,99 +0,0 @@
-/*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
-* https://github.com/Swordfish90/cool-retro-term
-*
-* This file is part of cool-retro-term.
-*
-* cool-retro-term is free software: you can redistribute it and/or modify
-* it under the terms of the GNU General Public License as published by
-* the Free Software Foundation, either version 3 of the License, or
-* (at your option) any later version.
-*
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*******************************************************************************/
-
-import QtQuick 2.2
-
-QtObject{
-    property int selectedFontIndex
-    property real scaling
-    property var _font: fontlist.get(selectedFontIndex)
-    property var source: _font.source
-    property int pixelSize: _font.pixelSize
-    property int lineSpacing: _font.lineSpacing
-    property real screenScaling: scaling * _font.baseScaling
-    property real defaultFontWidth: fontlist.get(selectedFontIndex).fontWidth
-    property bool lowResolutionFont: true
-
-    property ListModel fontlist: ListModel{
-        ListElement{
-            name: "COMMODORE_PET"
-            text: "Commodore PET (1977)"
-            source: "fonts/1977-commodore-pet/COMMODORE_PET.ttf"
-            lineSpacing: 2
-            pixelSize: 8
-            baseScaling: 4.0
-            fontWidth: 0.8
-        }
-        ListElement{
-            name: "PROGGY_TINY"
-            text: "Proggy Tiny (Modern)"
-            source: "fonts/modern-proggy-tiny/ProggyTiny.ttf"
-            lineSpacing: 1
-            pixelSize: 16
-            baseScaling: 4.0
-            fontWidth: 0.9
-        }
-        ListElement{
-            name: "TERMINUS_SCALED"
-            text: "Terminus (Modern)"
-            source: "fonts/modern-terminus/TerminusTTF-4.38.2.ttf"
-            lineSpacing: 1
-            pixelSize: 12
-            baseScaling: 3.0
-            fontWidth: 1.0
-        }
-        ListElement{
-            name: "PRO_FONT_SCALED"
-            text: "Pro Font (Modern)"
-            source: "fonts/modern-pro-font-win-tweaked/ProFontWindows.ttf"
-            lineSpacing: 1
-            pixelSize: 12
-            baseScaling: 3.0
-            fontWidth: 1.0
-        }
-        ListElement{
-            name: "APPLE_II"
-            text: "Apple ][ (1977)"
-            source: "fonts/1977-apple2/PrintChar21.ttf"
-            lineSpacing: 2
-            pixelSize: 8
-            baseScaling: 4.0
-            fontWidth: 0.9
-        }
-        ListElement{
-            name: "ATARI_400"
-            text: "Atari 400-800 (1979)"
-            source: "fonts/1979-atari-400-800/ATARI400800_original.TTF"
-            lineSpacing: 3
-            pixelSize: 8
-            baseScaling: 4.0
-            fontWidth: 0.8
-        }
-        ListElement{
-            name: "COMMODORE_64"
-            text: "Commodore 64 (1982)"
-            source: "fonts/1982-commodore64/C64_Pro_Mono_v1.0-STYLE.ttf"
-            lineSpacing: 3
-            pixelSize: 8
-            baseScaling: 4.0
-            fontWidth: 0.8
-        }
-    }
-}

app/qml/FontScanlines.qml

@@ -1,99 +0,0 @@
-/*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
-* https://github.com/Swordfish90/cool-retro-term
-*
-* This file is part of cool-retro-term.
-*
-* cool-retro-term is free software: you can redistribute it and/or modify
-* it under the terms of the GNU General Public License as published by
-* the Free Software Foundation, either version 3 of the License, or
-* (at your option) any later version.
-*
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*******************************************************************************/
-
-import QtQuick 2.2
-
-QtObject{
-    property int selectedFontIndex
-    property real scaling
-    property var _font: fontlist.get(selectedFontIndex)
-    property var source: _font.source
-    property int pixelSize: _font.pixelSize
-    property int lineSpacing: _font.lineSpacing
-    property real screenScaling: scaling * _font.baseScaling
-    property real defaultFontWidth: fontlist.get(selectedFontIndex).fontWidth
-    property bool lowResolutionFont: true
-
-    property ListModel fontlist: ListModel{
-        ListElement{
-            name: "COMMODORE_PET"
-            text: "Commodore PET (1977)"
-            source: "fonts/1977-commodore-pet/COMMODORE_PET.ttf"
-            lineSpacing: 2
-            pixelSize: 8
-            baseScaling: 4.0
-            fontWidth: 0.7
-        }
-        ListElement{
-            name: "PROGGY_TINY"
-            text: "Proggy Tiny (Modern)"
-            source: "fonts/modern-proggy-tiny/ProggyTiny.ttf"
-            lineSpacing: 1
-            pixelSize: 16
-            baseScaling: 4.0
-            fontWidth: 0.9
-        }
-        ListElement{
-            name: "TERMINUS_SCALED"
-            text: "Terminus (Modern)"
-            source: "fonts/modern-terminus/TerminusTTF-4.38.2.ttf"
-            lineSpacing: 1
-            pixelSize: 12
-            baseScaling: 3.0
-            fontWidth: 1.0
-        }
-        ListElement{
-            name: "PRO_FONT_SCALED"
-            text: "Pro Font (Modern)"
-            source: "fonts/modern-pro-font-win-tweaked/ProFontWindows.ttf"
-            lineSpacing: 1
-            pixelSize: 12
-            baseScaling: 3.0
-            fontWidth: 1.0
-        }
-        ListElement{
-            name: "APPLE_II"
-            text: "Apple ][ (1977)"
-            source: "fonts/1977-apple2/PrintChar21.ttf"
-            lineSpacing: 2
-            pixelSize: 8
-            baseScaling: 4.0
-            fontWidth: 0.8
-        }
-        ListElement{
-            name: "ATARI_400"
-            text: "Atari 400-800 (1979)"
-            source: "fonts/1979-atari-400-800/ATARI400800_original.TTF"
-            lineSpacing: 3
-            pixelSize: 8
-            baseScaling: 4.0
-            fontWidth: 0.7
-        }
-        ListElement{
-            name: "COMMODORE_64"
-            text: "Commodore 64 (1982)"
-            source: "fonts/1982-commodore64/C64_Pro_Mono_v1.0-STYLE.ttf"
-            lineSpacing: 3
-            pixelSize: 8
-            baseScaling: 4.0
-            fontWidth: 0.7
-        }
-    }
-}

app/qml/Fonts.qml

@@ -1,208 +0,0 @@
-/*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
-* https://github.com/Swordfish90/cool-retro-term
-*
-* This file is part of cool-retro-term.
-*
-* cool-retro-term is free software: you can redistribute it and/or modify
-* it under the terms of the GNU General Public License as published by
-* the Free Software Foundation, either version 3 of the License, or
-* (at your option) any later version.
-*
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*******************************************************************************/
-
-import QtQuick 2.2
-
-QtObject{
-    property int selectedFontIndex
-    property real scaling
-    property var source: fontlist.get(selectedFontIndex).source
-    property var _font: fontlist.get(selectedFontIndex)
-    property bool lowResolutionFont: _font.lowResolutionFont
-
-    property int pixelSize: lowResolutionFont
-                                 ? _font.pixelSize
-                                 : _font.pixelSize * scaling
-
-    property int lineSpacing: lowResolutionFont
-                                  ? _font.lineSpacing
-                                  : pixelSize * _font.lineSpacing
-
-    property real screenScaling: lowResolutionFont
-                                     ? _font.baseScaling * scaling
-                                     : 1.0
-
-    property real defaultFontWidth: fontlist.get(selectedFontIndex).fontWidth
-
-    // There are two kind of fonts: low resolution and high resolution.
-    // Low resolution font sets the lowResolutionFont property to true.
-    // They are rendered at a fixed pixel size and the texture is upscaled
-    // to fill the screen (they are much faster to render).
-    // High resolution fonts are instead drawn on a texture which has the
-    // size of the screen, and the scaling directly controls their pixels size.
-    // Those are slower to render but are not pixelated.
-
-    property ListModel fontlist: ListModel{
-        ListElement{
-            name: "TERMINUS_SCALED"
-            text: "Terminus (Modern)"
-            source: "fonts/modern-terminus/TerminusTTF-4.38.2.ttf"
-            lineSpacing: 1
-            pixelSize: 12
-            baseScaling: 3.0
-            fontWidth: 1.0
-            lowResolutionFont: true
-        }
-        ListElement{
-            name: "PRO_FONT_SCALED"
-            text: "Pro Font (Modern)"
-            source: "fonts/modern-pro-font-win-tweaked/ProFontWindows.ttf"
-            lineSpacing: 1
-            pixelSize: 12
-            baseScaling: 3.0
-            fontWidth: 1.0
-            lowResolutionFont: true
-        }
-        ListElement{
-            name: "EXCELSIOR_SCALED"
-            text: "Fixedsys Excelsior (Modern)"
-            source: "fonts/modern-fixedsys-excelsior/FSEX301-L2.ttf"
-            lineSpacing: 0
-            pixelSize: 16
-            baseScaling: 2.4
-            fontWidth: 1.0
-            lowResolutionFont: true
-        }
-        ListElement{
-            name: "COMMODORE_PET_SCALED"
-            text: "Commodore PET (1977)"
-            source: "fonts/1977-commodore-pet/COMMODORE_PET.ttf"
-            lineSpacing: 2
-            pixelSize: 8
-            baseScaling: 3.5
-            fontWidth: 0.7
-            lowResolutionFont: true
-        }
-        ListElement{
-            name: "PROGGY_TINY_SCALED"
-            text: "Proggy Tiny (Modern)"
-            source: "fonts/modern-proggy-tiny/ProggyTiny.ttf"
-            lineSpacing: 1
-            pixelSize: 16
-            baseScaling: 3.0
-            fontWidth: 0.9
-            lowResolutionFont: true
-        }
-        ListElement{
-            name: "APPLE_II_SCALED"
-            text: "Apple ][ (1977)"
-            source: "fonts/1977-apple2/PrintChar21.ttf"
-            lineSpacing: 2
-            pixelSize: 8
-            baseScaling: 3.5
-            fontWidth: 0.8
-            lowResolutionFont: true
-        }
-        ListElement{
-            name: "ATARI_400_SCALED"
-            text: "Atari 400-800 (1979)"
-            source: "fonts/1979-atari-400-800/ATARI400800_original.TTF"
-            lineSpacing: 3
-            pixelSize: 8
-            baseScaling: 3.5
-            fontWidth: 0.7
-            lowResolutionFont: true
-        }
-        ListElement{
-            name: "COMMODORE_64_SCALED"
-            text: "Commodore 64 (1982)"
-            source: "fonts/1982-commodore64/C64_Pro_Mono_v1.0-STYLE.ttf"
-            lineSpacing: 3
-            pixelSize: 8
-            baseScaling: 3.5
-            fontWidth: 0.7
-            lowResolutionFont: true
-        }
-        ListElement{
-            name: "ATARI_ST_SCALED"
-            text: "Atari ST (1985)"
-            source: "fonts/1985-atari-st/AtariST8x16SystemFont.ttf"
-            lineSpacing: 3
-            pixelSize: 16
-            baseScaling: 2.0
-            fontWidth: 1.0
-            lowResolutionFont: true
-        }
-        ListElement{
-            name: "IBM_DOS"
-            text: "IBM DOS (1985)"
-            source: "fonts/1985-ibm-pc-vga/Perfect DOS VGA 437 Win.ttf"
-            lineSpacing: 3
-            pixelSize: 16
-            baseScaling: 2.0
-            fontWidth: 1.0
-            lowResolutionFont: true
-        }
-        ListElement{
-            name: "HERMIT"
-            text: "HD: Hermit (Modern)"
-            source: "fonts/modern-hermit/Hermit-medium.otf"
-            lineSpacing: 0.05
-            pixelSize: 28
-            fontWidth: 1.0
-            lowResolutionFont: false
-        }
-        ListElement{
-            name: "TERMINUS"
-            text: "HD: Terminus (Modern)"
-            source: "fonts/modern-terminus/TerminusTTF-4.38.2.ttf"
-            lineSpacing: 0.1
-            pixelSize: 35
-            fontWidth: 1.0
-            lowResolutionFont: false
-        }
-        ListElement{
-            name: "PRO_FONT"
-            text: "HD: Pro Font (Modern)"
-            source: "fonts/modern-pro-font-win-tweaked/ProFontWindows.ttf"
-            lineSpacing: 0.1
-            pixelSize: 35
-            fontWidth: 1.0
-            lowResolutionFont: false
-        }
-        ListElement{
-            name: "MONACO"
-            text: "HD: Monaco (Modern)"
-            source: "fonts/modern-monaco/monaco.ttf"
-            lineSpacing: 0.1
-            pixelSize: 30
-            fontWidth: 1.0
-            lowResolutionFont: false
-        }
-        ListElement{
-            name: "INCONSOLATA"
-            text: "HD: Inconsolata (Modern)"
-            source: "fonts/modern-inconsolata/Inconsolata.otf"
-            lineSpacing: 0.1
-            pixelSize: 35
-            fontWidth: 1.0
-            lowResolutionFont: false
-        }
-        ListElement{
-            name: "IBM_3278"
-            text: "HD: IBM 3278 (1971)"
-            source: "fonts/1971-ibm-3278/3270Medium.ttf"
-            lineSpacing: 0.2
-            pixelSize: 32
-            fontWidth: 1.0
-            lowResolutionFont: false
-        }
-    }
-}

app/qml/Glossy.qml

@@ -1,21 +0,0 @@
-import QtQuick 2.2
-
-Rectangle {
-    anchors.centerIn: parent
-    width: parent.width - parent.border.width
-    height: parent.height - parent.border.width
-    radius:parent.radius - parent.border.width/2
-    smooth: true
-
-    border.width: parent.border.width/2
-    border.color: "#22FFFFFF"
-
-    gradient: Gradient {
-        GradientStop { position: 0;    color: "#88FFFFFF" }
-        GradientStop { position: .1;   color: "#55FFFFFF" }
-        GradientStop { position: .5;   color: "#33FFFFFF" }
-        GradientStop { position: .501; color: "#11000000" }
-        GradientStop { position: .8;   color: "#11FFFFFF" }
-        GradientStop { position: 1;    color: "#55FFFFFF" }
-    }
-}

app/qml/InsertNameDialog.qml

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
 * https://github.com/Swordfish90/cool-retro-term
 *
 * This file is part of cool-retro-term.
@@ -17,14 +17,13 @@
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
-
 import QtQuick 2.2
 import QtQuick.Window 2.0
-import QtQuick.Controls 1.1
+import QtQuick.Controls 2.0
 import QtQuick.Layouts 1.1
-import QtQuick.Dialogs 1.1
+import QtQuick.Dialogs
 
-Window{
+Window {
     id: insertnamedialog
     width: 400
     height: 100
@@ -39,51 +38,53 @@ Window{
         title: qsTr("Error")
         visible: false
 
-        function showError(message){
-            text = message;
-            open();
+        function showError(message) {
+            text = message
+            open()
         }
     }
 
-    function validateName(name){
-        var profile_list = appSettings.profilesList;
+    function validateName(name) {
+        var profile_list = appSettings.profilesList
         if (name === "")
-            return 1;
-        return 0;
+            return 1
+        return 0
     }
 
-    ColumnLayout{
+    ColumnLayout {
         anchors.margins: 10
         anchors.fill: parent
-        RowLayout{
-            Label{text: qsTr("Name")}
-            TextField{
+        RowLayout {
+            Label {
+                text: qsTr("Name")
+            }
+            TextField {
                 id: namefield
                 Layout.fillWidth: true
                 Component.onCompleted: forceActiveFocus()
                 onAccepted: okbutton.clickAction()
             }
         }
-        RowLayout{
-            anchors.right: parent.right
-            anchors.bottom: parent.bottom
-            Button{
+        RowLayout {
+            Layout.alignment: Qt.AlignBottom | Qt.AlignRight
+            Button {
                 id: okbutton
                 text: qsTr("OK")
                 onClicked: clickAction()
-                function clickAction(){
-                    var name = namefield.text;
-                    switch(validateName(name)){
+                function clickAction() {
+                    var name = namefield.text
+                    switch (validateName(name)) {
                     case 1:
-                        errorDialog.showError(qsTr("The name you inserted is empty. Please choose a different one."));
-                        break;
+                        errorDialog.showError(
+                                    qsTr("The name you inserted is empty. Please choose a different one."))
+                        break
                     default:
-                        nameSelected(name);
-                        close();
+                        nameSelected(name)
+                        close()
                     }
                 }
             }
-            Button{
+            Button {
                 text: qsTr("Cancel")
                 onClicked: close()
             }

app/qml/PreprocessedTerminal.qml

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
 * https://github.com/Swordfish90/cool-retro-term
 *
 * This file is part of cool-retro-term.
@@ -19,83 +19,106 @@
 *******************************************************************************/
 
 import QtQuick 2.2
-import QtQuick.Controls 1.1
+import QtQuick.Controls 2.0
 
-import QMLTermWidget 1.0
+import QMLTermWidget 2.0
 
+import "menus"
 import "utils.js" as Utils
 
 Item{
     id: terminalContainer
+    signal sessionFinished()
 
-    property size virtualResolution: Qt.size(kterminal.width, kterminal.height)
+    property size virtualResolution: Qt.size(kterminal.totalWidth, kterminal.totalHeight)
     property alias mainTerminal: kterminal
-    property ShaderEffectSource mainSource: kterminalSource
-    property ShaderEffectSource blurredSource: blurredSourceLoader.item
 
+    property ShaderEffectSource mainSource: kterminalSource
+    property BurnInEffect burnInEffect: burnInEffect
     property real fontWidth: 1.0
     property real screenScaling: 1.0
     property real scaleTexture: 1.0
     property alias title: ksession.title
     property alias kterminal: kterminal
 
-    anchors.leftMargin: frame.displacementLeft * appSettings.windowScaling
-    anchors.rightMargin: frame.displacementRight * appSettings.windowScaling
-    anchors.topMargin: frame.displacementTop * appSettings.windowScaling
-    anchors.bottomMargin: frame.displacementBottom * appSettings.windowScaling
-
-    //Parameters for the burnIn effect.
-    property real burnIn: appSettings.burnIn
-    property real fps: appSettings.fps !== 0 ? appSettings.fps : 60
-    property real burnInFadeTime: Utils.lint(_minBurnInFadeTime, _maxBurnInFadeTime, burnIn)
-    property real motionBlurCoefficient: 1.0 / (fps * burnInFadeTime)
-    property real _minBurnInFadeTime: 0.16
-    property real _maxBurnInFadeTime: 1.6
-
     property size terminalSize: kterminal.terminalSize
     property size fontMetrics: kterminal.fontMetrics
 
     // Manage copy and paste
-    Connections{
+    Connections {
         target: copyAction
-        onTriggered: kterminal.copyClipboard();
+
+        onTriggered: {
+            kterminal.copyClipboard()
         }
-    Connections{
+    }
+    Connections {
         target: pasteAction
-        onTriggered: kterminal.pasteClipboard()
+
+        onTriggered: {
+            kterminal.pasteClipboard()
+        }
     }
 
     //When settings are updated sources need to be redrawn.
-    Connections{
+    Connections {
         target: appSettings
-        onFontScalingChanged: terminalContainer.updateSources();
-        onFontWidthChanged: terminalContainer.updateSources();
+
+        onFontScalingChanged: {
+            terminalContainer.updateSources()
         }
-    Connections{
+
+        onFontWidthChanged: {
+            terminalContainer.updateSources()
+        }
+    }
+    Connections {
         target: terminalContainer
-        onWidthChanged: terminalContainer.updateSources();
-        onHeightChanged: terminalContainer.updateSources();
+
+        onWidthChanged: {
+            terminalContainer.updateSources()
         }
+
+        onHeightChanged: {
+            terminalContainer.updateSources()
+        }
+    }
+
     function updateSources() {
-        kterminal.update();
+        kterminal.update()
     }
 
     QMLTermWidget {
         id: kterminal
-        width: Math.floor(parent.width / (screenScaling * fontWidth))
-        height: Math.floor(parent.height / screenScaling)
+
+        property int textureResolutionScale: appSettings.lowResolutionFont ? Screen.devicePixelRatio : 1
+        property int margin: appSettings.margin / screenScaling
+        property int totalWidth: Math.floor(parent.width / (screenScaling * fontWidth))
+        property int totalHeight: Math.floor(parent.height / screenScaling)
+
+        property int rawWidth: totalWidth - 2 * margin
+        property int rawHeight: totalHeight - 2 * margin
+
+        textureSize: Qt.size(width / textureResolutionScale, height / textureResolutionScale)
+
+        width: ensureMultiple(rawWidth, Screen.devicePixelRatio)
+        height: ensureMultiple(rawHeight, Screen.devicePixelRatio)
+
+        /** Ensure size is a multiple of factor. This is needed for pixel perfect scaling on highdpi screens. */
+        function ensureMultiple(size, factor) {
+            return Math.round(size / factor) * factor;
+        }
+
+        fullCursorHeight: true
+        blinkingCursor: appSettings.blinkingCursor
 
         colorScheme: "cool-retro-term"
 
-        smooth: !appSettings.lowResolutionFont
-        enableBold: false
-        fullCursorHeight: true
-
         session: QMLTermSession {
             id: ksession
 
             onFinished: {
-                Qt.quit()
+                terminalContainer.sessionFinished()
             }
         }
 
@@ -109,29 +132,36 @@ Item{
                 anchors.topMargin: 1
                 anchors.bottomMargin: 1
                 color: "white"
-                radius: width * 0.25
                 opacity: 0.7
             }
         }
 
-        FontLoader{ id: fontLoader }
+        function handleFontChanged(fontFamily, pixelSize, lineSpacing, screenScaling, fontWidth, fallbackFontFamily, lowResolutionFont) {
+            kterminal.lineSpacing = lineSpacing;
+            kterminal.antialiasText = !lowResolutionFont;
+            kterminal.smooth = !lowResolutionFont;
+            kterminal.enableBold = !lowResolutionFont;
+            kterminal.enableItalic = !lowResolutionFont;
 
-        function handleFontChange(fontSource, pixelSize, lineSpacing, screenScaling, fontWidth){
-            fontLoader.source = fontSource;
-
-            kterminal.antialiasText = !appSettings.lowResolutionFont;
-            font.pixelSize = pixelSize;
-            font.family = fontLoader.name;
+            kterminal.font = Qt.font({
+                family: fontFamily,
+                pixelSize: pixelSize
+            });
 
             terminalContainer.fontWidth = fontWidth;
             terminalContainer.screenScaling = screenScaling;
             scaleTexture = Math.max(1.0, Math.floor(screenScaling * appSettings.windowScaling));
-
-            kterminal.lineSpacing = lineSpacing;
         }
-        function startSession() {
-            appSettings.initializedSettings.disconnect(startSession);
 
+        Connections {
+            target: appSettings
+
+            onWindowScalingChanged: {
+                scaleTexture = Math.max(1.0, Math.floor(terminalContainer.screenScaling * appSettings.windowScaling));
+            }
+        }
+
+        function startSession() {
             // Retrieve the variable set in main.cpp if arguments are passed.
             if (defaultCmd) {
                 ksession.setShellProgram(defaultCmd);
@@ -140,7 +170,7 @@ Item{
                 var args = Utils.tokenizeCommandLine(appSettings.customCommand);
                 ksession.setShellProgram(args[0]);
                 ksession.setArgs(args.slice(1));
-            } else if (!defaultCmd && Qt.platform.os === "osx") {
+            } else if (!defaultCmd && appSettings.isMacOS) {
                 // OSX Requires the following default parameters for auto login.
                 ksession.setArgs(["-i", "-l"]);
             }
@@ -152,200 +182,110 @@ Item{
             forceActiveFocus();
         }
         Component.onCompleted: {
-            appSettings.terminalFontChanged.connect(handleFontChange);
-            appSettings.initializedSettings.connect(startSession);
+            appSettings.fontManager.terminalFontChanged.connect(handleFontChanged);
+            appSettings.fontManager.refresh()
+            startSession();
+        }
+        Component.onDestruction: {
+            appSettings.fontManager.terminalFontChanged.disconnect(handleFontChanged);
         }
     }
+
     Component {
-        id: linuxContextMenu
-        Menu{
-            id: contextmenu
-            MenuItem{action: copyAction}
-            MenuItem{action: pasteAction}
-            MenuSeparator{}
-            MenuItem{action: fullscreenAction}
-            MenuItem{action: showMenubarAction}
-            MenuSeparator{visible: !appSettings.showMenubar}
-            CRTMainMenuBar{visible: !appSettings.showMenubar}
-        }
+        id: shortContextMenu
+        ShortContextMenu { }
     }
+
     Component {
-        id: osxContextMenu
-        Menu{
-            id: contextmenu
-            MenuItem{action: copyAction}
-            MenuItem{action: pasteAction}
-        }
+        id: fullContextMenu
+        FullContextMenu { }
     }
+
     Loader {
         id: menuLoader
-        sourceComponent: (Qt.platform.os === "osx" ? osxContextMenu : linuxContextMenu)
+        sourceComponent: (appSettings.isMacOS || (appSettings.showMenubar && !terminalWindow.fullscreen) ? shortContextMenu : fullContextMenu)
     }
     property alias contextmenu: menuLoader.item
 
-    MouseArea{
+    MouseArea {
+        property real margin: appSettings.margin
+        property real frameSize: appSettings.frameSize * terminalWindow.normalizedWindowScale
+
         acceptedButtons: Qt.LeftButton | Qt.MiddleButton | Qt.RightButton
         anchors.fill: parent
         cursorShape: kterminal.terminalUsesMouse ? Qt.ArrowCursor : Qt.IBeamCursor
-        onWheel:{
-            if(wheel.modifiers & Qt.ControlModifier){
+        onWheel: function(wheel) {
+            if (wheel.modifiers & Qt.ControlModifier) {
                wheel.angleDelta.y > 0 ? zoomIn.trigger() : zoomOut.trigger();
             } else {
                 var coord = correctDistortion(wheel.x, wheel.y);
                 kterminal.simulateWheel(coord.x, coord.y, wheel.buttons, wheel.modifiers, wheel.angleDelta);
             }
         }
-        onDoubleClicked: {
+        onDoubleClicked: function(mouse) {
             var coord = correctDistortion(mouse.x, mouse.y);
             kterminal.simulateMouseDoubleClick(coord.x, coord.y, mouse.button, mouse.buttons, mouse.modifiers);
         }
-        onPressed: {
-            if((!kterminal.terminalUsesMouse || mouse.modifiers & Qt.ShiftModifier) && mouse.button == Qt.RightButton) {
+        onPressed: function(mouse) {
+            kterminal.forceActiveFocus()
+            if ((!kterminal.terminalUsesMouse || mouse.modifiers & Qt.ShiftModifier) && mouse.button == Qt.RightButton) {
                 contextmenu.popup();
             } else {
                 var coord = correctDistortion(mouse.x, mouse.y);
                 kterminal.simulateMousePress(coord.x, coord.y, mouse.button, mouse.buttons, mouse.modifiers)
             }
         }
-        onReleased: {
+        onReleased: function(mouse) {
             var coord = correctDistortion(mouse.x, mouse.y);
             kterminal.simulateMouseRelease(coord.x, coord.y, mouse.button, mouse.buttons, mouse.modifiers);
         }
-        onPositionChanged: {
+        onPositionChanged: function(mouse) {
             var coord = correctDistortion(mouse.x, mouse.y);
             kterminal.simulateMouseMove(coord.x, coord.y, mouse.button, mouse.buttons, mouse.modifiers);
         }
 
-        function correctDistortion(x, y){
-            x = x / width;
-            y = y / height;
+        function correctDistortion(x, y) {
+            x = (x - margin) / width;
+            y = (y - margin) / height;
+
+            x = x * (1 + frameSize * 2) - frameSize;
+            y = y * (1 + frameSize * 2) - frameSize;
 
             var cc = Qt.size(0.5 - x, 0.5 - y);
-            var distortion = (cc.height * cc.height + cc.width * cc.width) * appSettings.screenCurvature;
+            var distortion = (cc.height * cc.height + cc.width * cc.width)
+                    * appSettings.screenCurvature * appSettings.screenCurvatureSize
+                    * terminalWindow.normalizedWindowScale;
 
-            return Qt.point((x - cc.width  * (1+distortion) * distortion) * kterminal.width,
-                           (y - cc.height * (1+distortion) * distortion) * kterminal.height)
+            return Qt.point((x - cc.width  * (1+distortion) * distortion) * (kterminal.totalWidth),
+                           (y - cc.height * (1+distortion) * distortion) * (kterminal.totalHeight))
         }
     }
     ShaderEffectSource{
         id: kterminalSource
         sourceItem: kterminal
         hideSource: true
-        wrapMode: ShaderEffectSource.ClampToEdge
+        wrapMode: ShaderEffectSource.Repeat
         visible: false
-        textureSize: Qt.size(kterminal.width * scaleTexture, kterminal.height * scaleTexture);
-    }
-    Loader{
-        id: blurredSourceLoader
-        asynchronous: true
-        active: burnIn !== 0
-
-        sourceComponent: ShaderEffectSource{
-            property bool updateBurnIn: false
-
-            id: _blurredSourceEffect
-            sourceItem: blurredTerminalLoader.item
-            recursive: true
-            live: false
-            hideSource: true
-            wrapMode: kterminalSource.wrapMode
-
-            visible: false
-
-            function restartBlurSource(){
-                livetimer.restart();
+        textureSize: Qt.size(kterminal.totalWidth * scaleTexture, kterminal.totalHeight * scaleTexture)
+        sourceRect: Qt.rect(-kterminal.margin, -kterminal.margin, kterminal.totalWidth, kterminal.totalHeight)
     }
 
-            // This updates the burnin synched with the timer.
-            Connections {
-                target: updateBurnIn ? mainShader : null
-                ignoreUnknownSignals: false
-                onTimeChanged: _blurredSourceEffect.scheduleUpdate();
-            }
-
-            Timer{
-                id: livetimer
-
-                // The interval assumes 60 fps. This is the time needed burnout a white pixel.
-                // We multiply 1.1 to have a little bit of margin over the theoretical value.
-                // This solution is not extremely clean, but it's probably the best to avoid measuring fps.
-
-                interval: burnInFadeTime * 1000 * 1.1
-                running: true
-                onTriggered: _blurredSourceEffect.updateBurnIn = false;
-            }
-            Connections{
-                target: kterminal
-                onImagePainted:{
-                    _blurredSourceEffect.scheduleUpdate();
-                    _blurredSourceEffect.updateBurnIn = true;
-                    livetimer.restart();
-                }
-            }
-            // Restart blurred source settings change.
-            Connections{
-                target: appSettings
-                onBurnInChanged: _blurredSourceEffect.restartBlurSource();
-                onTerminalFontChanged: _blurredSourceEffect.restartBlurSource();
-                onRasterizationChanged: _blurredSourceEffect.restartBlurSource();
-                onBurnInQualityChanged: _blurredSourceEffect.restartBlurSource();
-            }
-            Connections {
-                target: kterminalScrollbar
-                onOpacityChanged: _blurredSourceEffect.restartBlurSource();
-            }
-        }
-    }
-
-    Loader{
-        id: blurredTerminalLoader
+    Item {
+        id: burnInContainer
 
         property int burnInScaling: scaleTexture * appSettings.burnInQuality
 
-        width: appSettings.lowResolutionFont
-                  ? kterminal.width * Math.max(1, burnInScaling)
-                  : kterminal.width * scaleTexture * appSettings.burnInQuality
-        height: appSettings.lowResolutionFont
-                    ? kterminal.height * Math.max(1, burnInScaling)
-                    : kterminal.height * scaleTexture * appSettings.burnInQuality
+        width: Math.round(appSettings.lowResolutionFont
+               ? kterminal.totalWidth * Math.max(1, burnInScaling)
+               : kterminal.totalWidth * scaleTexture * appSettings.burnInQuality)
 
-        active: burnIn !== 0
-        asynchronous: true
+        height: Math.round(appSettings.lowResolutionFont
+                ? kterminal.totalHeight * Math.max(1, burnInScaling)
+                : kterminal.totalHeight * scaleTexture * appSettings.burnInQuality)
 
-        sourceComponent: ShaderEffect {
-            property variant txt_source: kterminalSource
-            property variant blurredSource: blurredSourceLoader.item
-            property real blurCoefficient: motionBlurCoefficient
 
-            blending: false
-
-            fragmentShader:
-                "#ifdef GL_ES
-                    precision mediump float;
-                #endif\n" +
-
-                "uniform lowp float qt_Opacity;" +
-                "uniform lowp sampler2D txt_source;" +
-
-                "varying highp vec2 qt_TexCoord0;
-
-                 uniform lowp sampler2D blurredSource;
-                 uniform highp float blurCoefficient;" +
-
-                "float rgb2grey(vec3 v){
-                    return dot(v, vec3(0.21, 0.72, 0.04));
-                }" +
-
-                "void main() {" +
-                    "vec2 coords = qt_TexCoord0;" +
-                    "vec3 origColor = texture2D(txt_source, coords).rgb;" +
-                    "vec3 blur_color = texture2D(blurredSource, coords).rgb - vec3(blurCoefficient);" +
-                    "vec3 color = min(origColor + blur_color, max(origColor, blur_color));" +
-
-                    "gl_FragColor = vec4(color, rgb2grey(color - origColor));" +
-                "}"
-
-            onStatusChanged: if (log) console.log(log) //Print warning messages
+        BurnInEffect {
+            id: burnInEffect
         }
     }
 }

app/qml/SettingsAdvancedTab.qml

@@ -0,0 +1,151 @@
+/*******************************************************************************
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
+* https://github.com/Swordfish90/cool-retro-term
+*
+* This file is part of cool-retro-term.
+*
+* cool-retro-term is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*******************************************************************************/
+import QtQuick 2.2
+import QtQuick.Controls 2.0
+import QtQuick.Layouts 1.1
+import QtQml 2.0
+
+import "Components"
+
+ColumnLayout {
+    GroupBox {
+        Layout.fillWidth: true
+        Layout.fillHeight: true
+        title: qsTr("Miscellaneous")
+        padding: appSettings.defaultMargin
+
+        ColumnLayout {
+            anchors.fill: parent
+            CheckBox {
+                id: useCustomCommand
+                text: qsTr("Use custom command instead of shell at startup")
+                checked: appSettings.useCustomCommand
+                onCheckedChanged: appSettings.useCustomCommand = checked
+            }
+            TextField {
+                id: customCommand
+                Layout.fillWidth: true
+                text: appSettings.customCommand
+                enabled: useCustomCommand.checked
+                onEditingFinished: appSettings.customCommand = text
+
+                // Save text even if user forgets to press enter or unfocus
+                function saveSetting() {
+                    appSettings.customCommand = text
+                }
+                Component.onCompleted: settings_window.closing.connect(
+                                           saveSetting)
+            }
+            CheckBox {
+                id: blinkingCursor
+                text: qsTr("Blinking Cursor")
+                checked: appSettings.blinkingCursor
+                onCheckedChanged: appSettings.blinkingCursor = checked
+            }
+            CheckBox {
+                id: showMenubar
+                text: qsTr("Show Menubar")
+                enabled: !appSettings.isMacOS
+                checked: appSettings.showMenubar
+                onCheckedChanged: appSettings.showMenubar = checked
+            }
+        }
+    }
+
+    GroupBox {
+        title: qsTr("Performance")
+        Layout.fillWidth: true
+        Layout.fillHeight: true
+        padding: appSettings.defaultMargin
+        GridLayout {
+            anchors.fill: parent
+            columns: 4
+
+            Label {
+                text: qsTr("Effects FPS")
+            }
+            Slider {
+                Layout.fillWidth: true
+                Layout.columnSpan: 2
+                id: effectsFpsSlider
+                onValueChanged: appSettings.effectsFrameSkip = Math.round(value)
+                stepSize: 1
+                enabled: true
+                from: 5
+                to: 1
+                value: appSettings.effectsFrameSkip
+            }
+
+            SizedLabel {
+                text: Math.round(100 / Math.max(1, Math.round(effectsFpsSlider.value))) + "%"
+            }
+            Label {
+                text: qsTr("Texture Quality")
+            }
+            Slider {
+                id: txtslider
+                Layout.fillWidth: true
+                Layout.columnSpan: 2
+                onValueChanged: appSettings.windowScaling = value
+                stepSize: 0.05
+                enabled: true
+                from: 0.25
+                value: appSettings.windowScaling
+            }
+            SizedLabel {
+                text: Math.round(txtslider.value * 100) + "%"
+            }
+
+            Label {
+                text: qsTr("Bloom Quality")
+            }
+            Slider {
+                Layout.fillWidth: true
+                Layout.columnSpan: 2
+                id: bloomSlider
+                onValueChanged: appSettings.bloomQuality = value
+                stepSize: 0.05
+                enabled: true
+                from: 0.25
+                value: appSettings.bloomQuality
+            }
+            SizedLabel {
+                text: Math.round(bloomSlider.value * 100) + "%"
+            }
+
+            Label {
+                text: qsTr("BurnIn Quality")
+            }
+            Slider {
+                Layout.fillWidth: true
+                id: burnInSlider
+                Layout.columnSpan: 2
+                onValueChanged: appSettings.burnInQuality = value
+                stepSize: 0.05
+                enabled: true
+                from: 0.25
+                value: appSettings.burnInQuality
+            }
+            SizedLabel {
+                text: Math.round(burnInSlider.value * 100) + "%"
+            }
+        }
+    }
+}

app/qml/SettingsEffectsTab.qml

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
 * https://github.com/Swordfish90/cool-retro-term
 *
 * This file is part of cool-retro-term.
@@ -17,69 +17,79 @@
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
-
 import QtQuick 2.2
-import QtQuick.Controls 1.1
+import QtQuick.Controls 2.0
 import QtQuick.Layouts 1.1
 
-Tab{
-    GroupBox{
-        title: qsTr("Effects")
-        anchors.fill: parent
-        ColumnLayout{
-            anchors.fill: parent
+ColumnLayout {
+    Layout.fillWidth: true
+    Layout.fillHeight: true
     spacing: 2
-            CheckableSlider{
+
+    GroupBox {
+        title: qsTr("Effects")
+        Layout.fillWidth: true
+        Layout.fillHeight: true
+        padding: appSettings.defaultMargin
+
+        ColumnLayout {
+            anchors.fill: parent
+
+            CheckableSlider {
                 name: qsTr("Bloom")
-                onNewValue: appSettings.bloom = newValue
+                onNewValue: function(newValue) { appSettings.bloom = newValue }
                 value: appSettings.bloom
             }
-            CheckableSlider{
+            CheckableSlider {
                 name: qsTr("BurnIn")
-                onNewValue: appSettings.burnIn = newValue
+                onNewValue: function(newValue) { appSettings.burnIn = newValue }
                 value: appSettings.burnIn
             }
-            CheckableSlider{
+            CheckableSlider {
                 name: qsTr("Static Noise")
-                onNewValue: appSettings.staticNoise = newValue
+                onNewValue: function(newValue) { appSettings.staticNoise = newValue }
                 value: appSettings.staticNoise
             }
-            CheckableSlider{
+            CheckableSlider {
                 name: qsTr("Jitter")
-                onNewValue: appSettings.jitter = newValue
+                onNewValue: function(newValue) { appSettings.jitter = newValue }
                 value: appSettings.jitter
             }
-            CheckableSlider{
+            CheckableSlider {
                 name: qsTr("Glow Line")
-                onNewValue: appSettings.glowingLine = newValue;
+                onNewValue: function(newValue) { appSettings.glowingLine = newValue }
                 value: appSettings.glowingLine
             }
-            CheckableSlider{
+            CheckableSlider {
                 name: qsTr("Screen Curvature")
-                onNewValue: appSettings.screenCurvature = newValue;
-                value: appSettings.screenCurvature;
+                onNewValue: function(newValue) { appSettings.screenCurvature = newValue }
+                value: appSettings.screenCurvature
             }
-            CheckableSlider{
+            CheckableSlider {
                 name: qsTr("Ambient Light")
-                onNewValue: appSettings.ambientLight = newValue;
+                onNewValue: function(newValue) { appSettings.ambientLight = newValue }
                 value: appSettings.ambientLight
                 enabled: appSettings.framesIndex !== 0
             }
-            CheckableSlider{
+            CheckableSlider {
                 name: qsTr("Flickering")
-                onNewValue: appSettings.flickering = newValue;
-                value: appSettings.flickering;
+                onNewValue: function(newValue) { appSettings.flickering = newValue }
+                value: appSettings.flickering
             }
-            CheckableSlider{
+            CheckableSlider {
                 name: qsTr("Horizontal Sync")
-                onNewValue: appSettings.horizontalSync = newValue;
-                value: appSettings.horizontalSync;
+                onNewValue: function(newValue) { appSettings.horizontalSync = newValue }
+                value: appSettings.horizontalSync
             }
-            CheckableSlider{
+            CheckableSlider {
                 name: qsTr("RGB Shift")
-                onNewValue: appSettings.rbgShift = newValue;
-                value: appSettings.rbgShift;
-                enabled: appSettings.chromaColor !== 0
+                onNewValue: function(newValue) { appSettings.rgbShift = newValue }
+                value: appSettings.rgbShift
+            }
+            CheckableSlider {
+                name: qsTr("Frame Shininess")
+                onNewValue: function(newValue) { appSettings._frameShininess = newValue }
+                value: appSettings._frameShininess
             }
         }
     }

app/qml/SettingsGeneralTab.qml

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
 * https://github.com/Swordfish90/cool-retro-term
 *
 * This file is part of cool-retro-term.
@@ -17,142 +17,164 @@
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
-
 import QtQuick 2.2
-import QtQuick.Controls 1.1
+import QtQuick.Controls 2.4
 import QtQuick.Layouts 1.1
-import QtQuick.Dialogs 1.1
+import QtQuick.Dialogs
 
-Tab{
-    ColumnLayout{
-        anchors.fill: parent
-        GroupBox{
-            anchors {left: parent.left; right: parent.right}
+ColumnLayout {
+    GroupBox {
         Layout.fillWidth: true
         Layout.fillHeight: true
         title: qsTr("Profile")
+        padding: appSettings.defaultMargin
         RowLayout {
             anchors.fill: parent
-                TableView {
+            ListView {
                 id: profilesView
                 Layout.fillWidth: true
-                    anchors { top: parent.top; bottom: parent.bottom; }
+                Layout.fillHeight: true
                 model: appSettings.profilesList
-                    headerVisible: false
-                    TableViewColumn {
-                        title: qsTr("Profile")
-                        role: "text"
-                        width: parent.width * 0.5
+                clip: true
+                delegate: Rectangle {
+                    width: label.width
+                    height: label.height
+                    color: (index == profilesView.currentIndex) ? palette.highlight : palette.base
+                    Label {
+                        id: label
+                        text: appSettings.profilesList.get(index).text
+                        MouseArea {
+                            anchors.fill: parent
+                            onClicked: profilesView.currentIndex = index
+                            onDoubleClicked: appSettings.loadProfile(index)
+                        }
                     }
-                    onActivated: {
-                        appSettings.loadProfile(row);
                 }
             }
             ColumnLayout {
-                    anchors { top: parent.top; bottom: parent.bottom }
+                Layout.fillHeight: true
                 Layout.fillWidth: false
-                    Button{
+                Button {
                     Layout.fillWidth: true
-                        text: qsTr("New")
+                    text: qsTr("Save")
                     onClicked: {
-                            insertname.profileName = "";
+                        insertname.profileName = ""
                         insertname.show()
                     }
                 }
-                    Button{
+                Button {
                     Layout.fillWidth: true
-                        property alias currentIndex: profilesView.currentRow
+                    property alias currentIndex: profilesView.currentIndex
                     enabled: currentIndex >= 0
                     text: qsTr("Load")
                     onClicked: {
-                            var index = profilesView.currentRow;
+                        var index = currentIndex
                         if (index >= 0)
-                                appSettings.loadProfile(index);
+                            appSettings.loadProfile(index)
                     }
                 }
-                    Button{
+                Button {
                     Layout.fillWidth: true
                     text: qsTr("Remove")
-                        property alias currentIndex: profilesView.currentRow
+                    property alias currentIndex: profilesView.currentIndex
 
-                        enabled: currentIndex >= 0 && !appSettings.profilesList.get(currentIndex).builtin
+                    enabled: currentIndex >= 0 && !appSettings.profilesList.get(
+                                 currentIndex).builtin
                     onClicked: {
-                            appSettings.profilesList.remove(currentIndex);
-                            profilesView.selection.clear();
+                        appSettings.profilesList.remove(currentIndex)
+                        profilesView.selection.clear()
 
                         // TODO This is a very ugly workaround. The view didn't update on Qt 5.3.2.
-                            profilesView.model = 0;
-                            profilesView.model = appSettings.profilesList;
+                        profilesView.model = 0
+                        profilesView.model = appSettings.profilesList
                     }
                 }
                 Item {
                     // Spacing
                     Layout.fillHeight: true
                 }
-                    Button{
+                Button {
                     Layout.fillWidth: true
                     text: qsTr("Import")
                     onClicked: {
-                            fileDialog.selectExisting = true;
-                            fileDialog.callBack = function (url) {loadFile(url);};
-                            fileDialog.open();
+                        fileDialog.selectExisting = true
+                        fileDialog.callBack = function (url) {
+                            loadFile(url)
+                        }
+                        fileDialog.open()
                     }
                     function loadFile(url) {
                         try {
                             if (appSettings.verbose)
-                                    console.log("Loading file: " + url);
+                                console.log("Loading file: " + url)
 
-                                var profileObject = JSON.parse(fileIO.read(url));
-                                var name = profileObject.name;
+                            var profileObject = JSON.parse(fileIO.read(url))
+                            var name = profileObject.name
 
                             if (!name)
-                                    throw "Profile doesn't have a name";
+                                throw "Profile doesn't have a name"
 
-                                delete profileObject.name;
+                            var version = profileObject.version
+                                    !== undefined ? profileObject.version : 1
+                            if (version !== appSettings.profileVersion)
+                                throw "This profile is not supported on this version of CRT."
 
-                                appSettings.appendCustomProfile(name, JSON.stringify(profileObject));
+                            delete profileObject.name
+
+                            appSettings.appendCustomProfile(name,
+                                                            JSON.stringify(
+                                                                profileObject))
                         } catch (err) {
-                                console.log(err);
-                                messageDialog.text = qsTr("There has been an error reading the file.")
-                                messageDialog.open();
+                            messageDialog.text = qsTr(err)
+                            messageDialog.open()
                         }
                     }
                 }
-                    Button{
-                        property alias currentIndex: profilesView.currentRow
+                Button {
+                    property alias currentIndex: profilesView.currentIndex
 
                     Layout.fillWidth: true
 
                     text: qsTr("Export")
-                        enabled: currentIndex >= 0 && !appSettings.profilesList.get(currentIndex).builtin
+                    enabled: currentIndex >= 0 && !appSettings.profilesList.get(
+                                 currentIndex).builtin
                     onClicked: {
-                            fileDialog.selectExisting = false;
-                            fileDialog.callBack = function (url) {storeFile(url);};
-                            fileDialog.open();
+                        fileDialog.selectExisting = false
+                        fileDialog.callBack = function (url) {
+                            storeFile(url)
+                        }
+                        fileDialog.open()
                     }
                     function storeFile(url) {
                         try {
-                                var urlString = url.toString();
+                            var urlString = url.toString()
 
                             // Fix the extension if it's missing.
-                                var extension = urlString.substring(urlString.length - 5, urlString.length);
-                                var urlTail = (extension === ".json" ? "" : ".json");
-                                url += urlTail;
+                            var extension = urlString.substring(
+                                        urlString.length - 5, urlString.length)
+                            var urlTail = (extension === ".json" ? "" : ".json")
+                            url += urlTail
 
                             if (true)
-                                    console.log("Storing file: " + url);
+                                console.log("Storing file: " + url)
 
-                                var profileObject = appSettings.profilesList.get(currentIndex);
-                                var profileSettings = JSON.parse(profileObject.obj_string);
-                                profileSettings["name"] = profileObject.text;
+                            var profileObject = appSettings.profilesList.get(
+                                        currentIndex)
+                            var profileSettings = JSON.parse(
+                                        profileObject.obj_string)
+                            profileSettings["name"] = profileObject.text
+                            profileSettings["version"] = appSettings.profileVersion
 
-                                var result = fileIO.write(url, JSON.stringify(profileSettings, undefined, 2));
+                            var result = fileIO.write(url, JSON.stringify(
+                                                          profileSettings,
+                                                          undefined, 2))
                             if (!result)
-                                    throw "The file could not be written.";
+                                throw "The file could not be written."
                         } catch (err) {
-                                console.log(err);
-                                messageDialog.text = qsTr("There has been an error storing the file.")
-                                messageDialog.open();
+                            console.log(err)
+                            messageDialog.text = qsTr(
+                                        "There has been an error storing the file.")
+                            messageDialog.open()
                         }
                     }
                 }
@@ -160,51 +182,75 @@ Tab{
         }
     }
 
-        GroupBox{
-            anchors {left: parent.left; right: parent.right}
-            title: qsTr("Command")
-            ColumnLayout {
+    GroupBox {
+        title: qsTr("Screen")
+        Layout.fillWidth: true
+        Layout.fillHeight: true
+        padding: appSettings.defaultMargin
+        GridLayout {
             anchors.fill: parent
-                CheckBox{
-                    id: useCustomCommand
-                    text: qsTr("Use custom command instead of shell at startup")
-                    checked: appSettings.useCustomCommand
-                    onCheckedChanged: appSettings.useCustomCommand = checked
+            columns: 2
+            Label {
+                text: qsTr("Brightness")
             }
-                // Workaround for QTBUG-31627 for pre 5.3.0
-                Binding{
-                    target: useCustomCommand
-                    property: "checked"
-                    value: appSettings.useCustomCommand
+            SimpleSlider {
+                onValueChanged: appSettings.brightness = value
+                value: appSettings.brightness
             }
-                TextField{
-                    id: customCommand
-                    anchors {left: parent.left; right: parent.right}
-                    text: appSettings.customCommand
-                    enabled: useCustomCommand.checked
-                    onEditingFinished: appSettings.customCommand = text
-
-                    // Save text even if user forgets to press enter or unfocus
-                    function saveSetting() {
-                        appSettings.customCommand = text;
+            Label {
+                text: qsTr("Contrast")
             }
-                    Component.onCompleted: settings_window.closing.connect(saveSetting)
+            SimpleSlider {
+                onValueChanged: appSettings.contrast = value
+                value: appSettings.contrast
+            }
+            Label {
+                text: qsTr("Margin")
+            }
+            SimpleSlider {
+                onValueChanged: appSettings._margin = value
+                value: appSettings._margin
+            }
+            Label {
+                text: qsTr("Radius")
+            }
+            SimpleSlider {
+                onValueChanged: appSettings._screenRadius = value
+                value: appSettings._screenRadius
+            }
+            Label {
+                text: qsTr("Frame size")
+            }
+            SimpleSlider {
+                onValueChanged: appSettings._frameSize = value
+                value: appSettings._frameSize
+            }
+            Label {
+                text: qsTr("Opacity")
+                visible: !appSettings.isMacOS
+            }
+            SimpleSlider {
+                onValueChanged: appSettings.windowOpacity = value
+                value: appSettings.windowOpacity
+                visible: !appSettings.isMacOS
             }
         }
     }
 
     // DIALOGS ////////////////////////////////////////////////////////////////
-        InsertNameDialog{
+    InsertNameDialog {
         id: insertname
         onNameSelected: {
-                appSettings.appendCustomProfile(name, appSettings.composeProfileString());
+            appSettings.appendCustomProfile(name,
+                                            appSettings.composeProfileString())
         }
     }
     MessageDialog {
         id: messageDialog
         title: qsTr("File Error")
+        buttons: MessageDialog.Ok
         onAccepted: {
-                messageDialog.close();
+            messageDialog.close()
         }
     }
     Loader {
@@ -212,24 +258,21 @@ Tab{
         property bool selectExisting: false
         id: fileDialog
 
-            sourceComponent: FileDialog{
+        sourceComponent: FileDialog {
             nameFilters: ["Json files (*.json)"]
-                selectMultiple: false
-                selectFolder: false
-                selectExisting: fileDialog.selectExisting
-                onAccepted: callBack(fileUrl);
+            fileMode: fileDialog.selectExisting ? FileDialog.OpenFile : FileDialog.SaveFile
+            onAccepted: callBack(selectedFile)
         }
 
         onSelectExistingChanged: reload()
 
         function open() {
-                item.open();
+            item.open()
         }
 
         function reload() {
-                active = false;
-                active = true;
-            }
+            active = false
+            active = true
         }
     }
 }

app/qml/SettingsPerformanceTab.qml

@@ -1,135 +0,0 @@
-/*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
-* https://github.com/Swordfish90/cool-retro-term
-*
-* This file is part of cool-retro-term.
-*
-* cool-retro-term is free software: you can redistribute it and/or modify
-* it under the terms of the GNU General Public License as published by
-* the Free Software Foundation, either version 3 of the License, or
-* (at your option) any later version.
-*
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*******************************************************************************/
-
-import QtQuick 2.2
-import QtQuick.Controls 1.1
-import QtQuick.Layouts 1.1
-
-import "Components"
-
-Tab{
-    ColumnLayout{
-        anchors.fill: parent
-        GroupBox{
-            title: qsTr("General")
-            Layout.fillWidth: true
-            anchors.left: parent.left
-            anchors.right: parent.right
-            GridLayout{
-                anchors.fill: parent
-                rows: 2
-                columns: 3
-                Label{text: qsTr("Effects FPS")}
-                Slider{
-                    Layout.fillWidth: true
-                    id: fpsSlider
-                    onValueChanged: {
-                        if (enabled) {
-                            appSettings.fps = value !== 60 ? value + 1 : 0;
-                        }
-                    }
-                    stepSize: 1
-                    enabled: false
-                    Component.onCompleted: {
-                        minimumValue = 0;
-                        maximumValue = 60;
-                        value = appSettings.fps !== 0 ? appSettings.fps - 1 : 60;
-                        enabled = true;
-                    }
-                }
-                SizedLabel{text: appSettings.fps !== 0 ? appSettings.fps : qsTr("Max")}
-                Label{text: qsTr("Texture Quality")}
-                Slider{
-                    Layout.fillWidth: true
-                    id: txtslider
-                    onValueChanged: if (enabled) appSettings.windowScaling = value;
-                    stepSize: 0.05
-                    enabled: false
-                    Component.onCompleted: {
-                        minimumValue = 0.25 //Without this value gets set to 0.5
-                        value = appSettings.windowScaling;
-                        enabled = true;
-                    }
-                }
-                SizedLabel{text: Math.round(txtslider.value * 100) + "%"}
-            }
-        }
-        GroupBox{
-            title: qsTr("Bloom")
-            Layout.fillWidth: true
-            anchors.left: parent.left
-            anchors.right: parent.right
-            GridLayout{
-                id: bloomQualityContainer
-                anchors.fill: parent
-                Label{text: qsTr("Bloom Quality")}
-                Slider{
-                    Layout.fillWidth: true
-                    id: bloomSlider
-                    onValueChanged: if (enabled) appSettings.bloomQuality = value;
-                    stepSize: 0.05
-                    enabled: false
-                    Component.onCompleted: {
-                        minimumValue = 0.25
-                        value = appSettings.bloomQuality;
-                        enabled = true;
-                    }
-                }
-                SizedLabel{text: Math.round(bloomSlider.value * 100) + "%"}
-            }
-        }
-        GroupBox{
-            title: qsTr("BurnIn")
-            Layout.fillWidth: true
-            anchors.left: parent.left
-            anchors.right: parent.right
-            GridLayout{
-                id: blurQualityContainer
-                anchors.fill: parent
-
-                Label{text: qsTr("BurnIn Quality")}
-                Slider{
-                    Layout.fillWidth: true
-                    id: burnInSlider
-                    onValueChanged: if (enabled) appSettings.burnInQuality = value;
-                    stepSize: 0.05
-                    enabled: false
-                    Component.onCompleted: {
-                        minimumValue = 0.25
-                        value = appSettings.burnInQuality;
-                        enabled = true;
-                    }
-                }
-                SizedLabel{text: Math.round(burnInSlider.value * 100) + "%"}
-            }
-        }
-        GroupBox{
-            title: qsTr("Frame")
-            Layout.fillWidth: true
-            anchors.left: parent.left
-            anchors.right: parent.right
-            CheckBox{
-                checked: appSettings._frameReflections
-                text: qsTr("Frame Reflections")
-                onCheckedChanged: appSettings._frameReflections = checked
-            }
-        }
-    }
-}

app/qml/SettingsScreenTab.qml

@@ -1,94 +0,0 @@
-/*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
-* https://github.com/Swordfish90/cool-retro-term
-*
-* This file is part of cool-retro-term.
-*
-* cool-retro-term is free software: you can redistribute it and/or modify
-* it under the terms of the GNU General Public License as published by
-* the Free Software Foundation, either version 3 of the License, or
-* (at your option) any later version.
-*
-* This program is distributed in the hope that it will be useful,
-* but WITHOUT ANY WARRANTY; without even the implied warranty of
-* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
-* GNU General Public License for more details.
-*
-* You should have received a copy of the GNU General Public License
-* along with this program.  If not, see <http://www.gnu.org/licenses/>.
-*******************************************************************************/
-
-import QtQuick 2.2
-import QtQuick.Controls 1.1
-import QtQuick.Layouts 1.1
-import QtQuick.Dialogs 1.1
-
-Tab{
-    ColumnLayout{
-        anchors.fill: parent
-        GroupBox{
-            title: qsTr("Rasterization Mode")
-            Layout.fillWidth: true
-            ComboBox {
-                id: rasterizationBox
-                property string selectedElement: model[currentIndex]
-                anchors.fill: parent
-                model: [qsTr("Default"), qsTr("Scanlines"), qsTr("Pixels")]
-                currentIndex: appSettings.rasterization
-                onCurrentIndexChanged: {
-                    appSettings.rasterization = currentIndex
-                }
-            }
-        }
-        GroupBox{
-            title: qsTr("Lights")
-            Layout.fillWidth: true
-            GridLayout{
-                anchors.fill: parent
-                columns: 2
-                Label{ text: qsTr("Brightness") }
-                SimpleSlider{
-                    onValueChanged: appSettings.brightness = value
-                    value: appSettings.brightness
-                }
-                Label{ text: qsTr("Contrast") }
-                SimpleSlider{
-                    onValueChanged: appSettings.contrast = value
-                    value: appSettings.contrast
-                }
-                Label{ text: qsTr("Opacity") }
-                SimpleSlider{
-                    onValueChanged: appSettings.windowOpacity = value
-                    value: appSettings.windowOpacity
-                }
-            }
-        }
-        GroupBox{
-            title: qsTr("Frame")
-            Layout.fillWidth: true
-            RowLayout{
-                anchors.fill: parent
-                ComboBox{
-                    id: framescombobox
-                    Layout.fillWidth: true
-                    model: appSettings.framesList
-                    currentIndex: appSettings.framesIndex
-                    onActivated: {
-                        appSettings.frameName = appSettings.framesList.get(index).name;
-                    }
-                    function updateIndex(){
-                        var name = appSettings.frameName;
-                        var index = appSettings.getFrameIndexByName(name);
-                        if (index !== undefined)
-                            currentIndex = index;
-                    }
-                    Component.onCompleted: updateIndex();
-                    Connections {
-                        target: appSettings
-                        onFrameNameChanged: framescombobox.updateIndex();
-                    }
-                }
-            }
-        }
-    }
-}

app/qml/SettingsTerminalTab.qml

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
 * https://github.com/Swordfish90/cool-retro-term
 *
 * This file is part of cool-retro-term.
@@ -17,125 +17,204 @@
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
-
 import QtQuick 2.2
-import QtQuick.Controls 1.1
+import QtQuick.Controls 2.1
 import QtQuick.Layouts 1.1
+import QtQml 2.0
 
 import "Components"
 
-Tab{
-    ColumnLayout{
-        anchors.fill: parent
-        GroupBox{
-            property var rasterization: [qsTr("Default"), qsTr("Scanlines"), qsTr("Pixels")][appSettings.rasterization]
-            title: qsTr("Font" + "(" + rasterization + ")")
-            anchors { left: parent.left; right: parent.right }
-            GridLayout{
+ColumnLayout {
+    GroupBox {
+        title: qsTr("Font")
+        Layout.fillWidth: true
+        Layout.fillHeight: true
+        padding: appSettings.defaultMargin
+        GridLayout {
             anchors.fill: parent
             columns: 2
-                Label{ text: qsTr("Name") }
-                ComboBox{
+            Label {
+                text: qsTr("Source")
+            }
+            RowLayout {
+                Layout.fillWidth: true
+                RadioButton {
+                    text: qsTr("Bundled")
+                    checked: appSettings.fontSource === appSettings.bundled_fonts
+                    onClicked: {
+                        appSettings.fontSource = appSettings.bundled_fonts
+                    }
+                }
+                RadioButton {
+                    text: qsTr("System")
+                    checked: appSettings.fontSource === appSettings.system_fonts
+                    onClicked: {
+                        appSettings.fontSource = appSettings.system_fonts
+                    }
+                }
+            }
+            Label {
+                text: qsTr("Rendering")
+                enabled: appSettings.fontSource === appSettings.bundled_fonts
+            }
+            ComboBox {
+                id: renderingBox
+
+                property string selectedElement: model[currentIndex]
+
+                Layout.fillWidth: true
+                model: [qsTr("Default"), qsTr("Scanlines"), qsTr("Pixels"), qsTr("Sub-Pixels"), qsTr("Modern")]
+                currentIndex: appSettings.rasterization
+                onCurrentIndexChanged: {
+                    appSettings.rasterization = currentIndex
+                }
+                enabled: appSettings.fontSource === appSettings.bundled_fonts
+            }
+            Label {
+                text: qsTr("Name")
+            }
+            ComboBox {
                 id: fontChanger
                 Layout.fillWidth: true
-                    model: appSettings.fontlist
+                model: appSettings.filteredFontList
+                textRole: "text"
                 onActivated: {
-                        var name = appSettings.fontlist.get(index).name;
-                        appSettings.fontNames[appSettings.rasterization] = name;
-                        appSettings.handleFontChanged();
+                    var font = appSettings.filteredFontList.get(currentIndex)
+
+                    // If selecting a high-res font while not in Modern mode,
+                    // switch to Modern to render at full resolution.
+                    if (!font.lowResolutionFont && appSettings.rasterization !== appSettings.modern_rasterization) {
+                        appSettings.rasterization = appSettings.modern_rasterization
                     }
-                    function updateIndex(){
-                        var name = appSettings.fontNames[appSettings.rasterization];
-                        var index = appSettings.getIndexByName(name);
-                        if (index !== undefined)
-                            currentIndex = index;
+                    // If selecting a low-res font while in Modern mode, switch back to default.
+                    if (font.lowResolutionFont && appSettings.rasterization === appSettings.modern_rasterization) {
+                        appSettings.rasterization = appSettings.no_rasterization
                     }
-                    Connections{
-                        target: appSettings
-                        onTerminalFontChanged: fontChanger.updateIndex();
+
+                    appSettings.fontName = font.name
                 }
-                    Component.onCompleted: updateIndex();
+                function updateIndex() {
+                    for (var i = 0; i < appSettings.filteredFontList.count; i++) {
+                        var font = appSettings.filteredFontList.get(i)
+                        if (font.name === appSettings.fontName) {
+                            currentIndex = i
+                            return
                         }
-                Label{ text: qsTr("Scaling") }
-                RowLayout{
+                    }
+                    currentIndex = 0
+                }
+                Connections {
+                    target: appSettings.fontManager
+
+                    onTerminalFontChanged: {
+                        fontChanger.updateIndex()
+                    }
+
+                    onFilteredFontListChanged: {
+                        fontChanger.updateIndex()
+                    }
+                }
+                Component.onCompleted: updateIndex()
+            }
+            Label {
+                text: qsTr("Scaling")
+            }
+            RowLayout {
                 Layout.fillWidth: true
-                    Slider{
+                Slider {
                     Layout.fillWidth: true
                     id: fontScalingChanger
-                        onValueChanged: if(enabled) appSettings.fontScaling = value
+                    onValueChanged: appSettings.fontScaling = value
+                    value: appSettings.fontScaling
                     stepSize: 0.05
-                        enabled: false // Another trick to fix initial bad behavior.
-                        Component.onCompleted: {
-                            minimumValue = appSettings.minimumFontScaling;
-                            maximumValue = appSettings.maximumFontScaling;
-                            value = appSettings.fontScaling;
-                            enabled = true;
+                    from: appSettings.minimumFontScaling
+                    to: appSettings.maximumFontScaling
                 }
-                        Connections{
-                            target: appSettings
-                            onFontScalingChanged: fontScalingChanger.value = appSettings.fontScaling;
-                        }
-                    }
-                    SizedLabel{
+                SizedLabel {
                     text: Math.round(fontScalingChanger.value * 100) + "%"
                 }
             }
-                Label{ text: qsTr("Font Width") }
-                RowLayout{
+            Label {
+                text: qsTr("Font Width")
+            }
+            RowLayout {
                 Layout.fillWidth: true
-                    Slider{
+                Slider {
                     Layout.fillWidth: true
                     id: widthChanger
-                        onValueChanged: appSettings.fontWidth = value;
+                    onValueChanged: appSettings.fontWidth = value
                     value: appSettings.fontWidth
                     stepSize: 0.05
-                        Component.onCompleted: {
-                            // This is needed to avoid unnecessary chnaged events.
-                            minimumValue = 0.5;
-                            maximumValue = 1.5;
+                    from: 0.5
+                    to: 1.5
                 }
-                    }
-                    SizedLabel{
+                SizedLabel {
                     text: Math.round(widthChanger.value * 100) + "%"
                 }
             }
+            Label {
+                text: qsTr("Line Spacing")
             }
-        }
-        GroupBox{
-            title: qsTr("Colors")
-            anchors { left: parent.left; right: parent.right }
-            ColumnLayout{
-                anchors.fill: parent
-                ColumnLayout{
+            RowLayout {
                 Layout.fillWidth: true
-                    CheckableSlider{
+                Slider {
+                    Layout.fillWidth: true
+                    id: lineSpacingChanger
+                    onValueChanged: appSettings.lineSpacing = value
+                    value: appSettings.lineSpacing
+                    stepSize: 0.01
+                    from: 0.0
+                    to: 1.0
+                }
+                SizedLabel {
+                    text: Math.round(lineSpacingChanger.value * 100) + "%"
+                }
+            }
+        }
+    }
+    GroupBox {
+        title: qsTr("Colors")
+        Layout.fillWidth: true
+        Layout.fillHeight: true
+        padding: appSettings.defaultMargin
+        ColumnLayout {
+            anchors.fill: parent
+            ColumnLayout {
+                Layout.fillWidth: true
+                CheckableSlider {
                     name: qsTr("Chroma Color")
-                        onNewValue: appSettings.chromaColor = newValue
+                    onNewValue: function(newValue) { appSettings.chromaColor = newValue }
                     value: appSettings.chromaColor
                 }
-                    CheckableSlider{
+                CheckableSlider {
                     name: qsTr("Saturation Color")
-                        onNewValue: appSettings.saturationColor = newValue
+                    onNewValue: function(newValue) { appSettings.saturationColor = newValue }
                     value: appSettings.saturationColor
                     enabled: appSettings.chromaColor !== 0
                 }
             }
-                RowLayout{
+            RowLayout {
                 Layout.fillWidth: true
-                    ColorButton{
+                ColorButton {
                     name: qsTr("Font")
                     height: 50
                     Layout.fillWidth: true
-                        onColorSelected: appSettings._fontColor = color;
+                    onColorSelected: appSettings._fontColor = color
                     color: appSettings._fontColor
                 }
-                    ColorButton{
+                ColorButton {
                     name: qsTr("Background")
                     height: 50
                     Layout.fillWidth: true
-                        onColorSelected: appSettings._backgroundColor = color;
+                    onColorSelected: appSettings._backgroundColor = color
                     color: appSettings._backgroundColor
                 }
+                ColorButton {
+                    name: qsTr("Frame")
+                    height: 50
+                    Layout.fillWidth: true
+                    onColorSelected: appSettings._frameColor = color
+                    color: appSettings._frameColor
                 }
             }
         }

app/qml/SettingsWindow.qml

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
 * https://github.com/Swordfish90/cool-retro-term
 *
 * This file is part of cool-retro-term.
@@ -19,52 +19,58 @@
 *******************************************************************************/
 
 import QtQuick 2.2
-import QtQuick.Controls 1.1
+import QtQuick.Controls 2.1
 import QtQuick.Window 2.1
-import QtQuick.Layouts 1.1
-import QtQuick.Dialogs 1.1
+import QtQuick.Layouts 1.3
+import QtQuick.Dialogs
+
+ApplicationWindow {
+    readonly property real tabButtonPadding: 10
 
-Window {
     id: settings_window
     title: qsTr("Settings")
-    width: 580
-    height: 400
+    width: 640
+    height: 520
 
-    property int tabmargins: 15
+    Item {
+        anchors { fill: parent; }
 
-    TabView{
-        id: tabView
-        anchors.fill: parent
-        anchors.margins: 10
-        SettingsGeneralTab{
-            id: generalTab
-            title: qsTr("General")
-            anchors.fill: parent
-            anchors.margins: tabmargins
+        TabBar {
+            id: bar
+            anchors { left: parent.left; right: parent.right; top: parent.top; }
+            TabButton {
+                padding: tabButtonPadding
+                text: qsTr("General")
             }
-        SettingsScreenTab{
-            id: screenTab
-            title: qsTr("Screen")
-            anchors.fill: parent
-            anchors.margins: tabmargins
+            TabButton {
+                padding: tabButtonPadding
+                text: qsTr("Terminal")
             }
-        SettingsTerminalTab{
-            id: terminalTab
-            title: qsTr("Terminal")
-            anchors.fill: parent
-            anchors.margins: tabmargins
+            TabButton {
+                padding: tabButtonPadding
+                text: qsTr("Effects")
             }
-        SettingsEffectsTab{
-            id: effectsTab
-            title: qsTr("Effects")
-            anchors.fill: parent
-            anchors.margins: tabmargins
+            TabButton {
+                padding: tabButtonPadding
+                text: qsTr("Advanced")
             }
-        SettingsPerformanceTab{
-            id: performanceTab
-            title: qsTr("Performance")
-            anchors.fill: parent
-            anchors.margins: tabmargins
+        }
+
+        StackLayout {
+            anchors {
+                top: bar.bottom
+                left: parent.left
+                right: parent.right
+                bottom: parent.bottom
+                margins: 16
+            }
+
+            currentIndex: bar.currentIndex
+
+            SettingsGeneralTab { }
+            SettingsTerminalTab { }
+            SettingsEffectsTab { }
+            SettingsAdvancedTab { }
         }
     }
 }

app/qml/ShaderTerminal.qml

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
 * https://github.com/Swordfish90/cool-retro-term
 *
 * This file is part of cool-retro-term.
@@ -19,70 +19,102 @@
 *******************************************************************************/
 
 import QtQuick 2.2
-import QtGraphicalEffects 1.0
 
 import "utils.js" as Utils
 
-ShaderEffect {
+Item {
+    function dynamicFragmentPath() {
+        var rasterMode = appSettings.rasterization;
+        var burnInOn = appSettings.burnIn > 0 ? 1 : 0;
+        var frameOn = appSettings.frameEnabled ? 1 : 0;
+        var chromaOn = appSettings.chromaColor > 0 ? 1 : 0;
+        return "qrc:/shaders/terminal_dynamic_raster" + rasterMode +
+               "_burn" + burnInOn +
+               "_frame" + frameOn +
+               "_chroma" + chromaOn +
+               ".frag.qsb";
+    }
+
+    function staticFragmentPath() {
+        var rgbShiftOn = appSettings.rgbShift > 0 ? 1 : 0;
+        var bloomOn = appSettings.bloom > 0 ? 1 : 0;
+        var curvatureOn = (appSettings.screenCurvature > 0 || appSettings.frameSize > 0) ? 1 : 0;
+        var shineOn = appSettings.frameShininess > 0 ? 1 : 0;
+        return "qrc:/shaders/terminal_static_rgb" + rgbShiftOn +
+               "_bloom" + bloomOn +
+               "_curve" + curvatureOn +
+               "_shine" + shineOn +
+               ".frag.qsb";
+    }
+
     property ShaderEffectSource source
-    property ShaderEffectSource blurredSource
+    property BurnInEffect burnInEffect
     property ShaderEffectSource bloomSource
 
     property color fontColor: appSettings.fontColor
     property color backgroundColor: appSettings.backgroundColor
-    property real bloom: appSettings.bloom * 2.5
 
-    property real burnIn: appSettings.burnIn
+    property real screenCurvature: appSettings.screenCurvature * appSettings.screenCurvatureSize * terminalWindow.normalizedWindowScale
+    property real frameSize: appSettings.frameSize * terminalWindow.normalizedWindowScale
 
-    property real jitter: appSettings.jitter * 0.007
-    property real staticNoise: appSettings.staticNoise
-    property size scaleNoiseSize: Qt.size((width) / (noiseTexture.width * appSettings.windowScaling * appSettings.fontScaling),
-                                          (height) / (noiseTexture.height * appSettings.windowScaling * appSettings.fontScaling))
+    property real chromaColor: appSettings.chromaColor
 
-    property real screenCurvature: appSettings.screenCurvature
-    property real glowingLine: appSettings.glowingLine * 0.2
+    property real ambientLight: appSettings.ambientLight * 0.2
 
-    property real chromaColor: appSettings.chromaColor;
+    property size virtualResolution
+    property size screenResolution
 
-    property real rbgShift: appSettings.rbgShift * 0.2
+    property real _screenDensity: Math.min(
+        screenResolution.width / virtualResolution.width,
+        screenResolution.height / virtualResolution.height
+    )
+
+    ShaderEffect {
+        id: dynamicShader
+
+        property ShaderEffectSource screenBuffer: frameBuffer
+        property ShaderEffectSource burnInSource: burnInEffect.effectSource
+        property ShaderEffectSource frameSource: terminalFrameLoader.item
+
+        property color fontColor: parent.fontColor
+        property color backgroundColor: parent.backgroundColor
+        property real screenCurvature: parent.screenCurvature
+        property real chromaColor: parent.chromaColor
+        property real ambientLight: parent.ambientLight
 
         property real flickering: appSettings.flickering
-    property real horizontalSync: appSettings.horizontalSync * 0.5
+        property real horizontalSync: appSettings.horizontalSync
+        property real horizontalSyncStrength: Utils.lint(0.05, 0.35, horizontalSync)
+        property real glowingLine: appSettings.glowingLine * 0.2
 
-    property bool frameReflections: appSettings.frameReflections
+        // Fast burnin properties
+        property real burnIn: appSettings.burnIn
+        property real burnInLastUpdate: burnInEffect.lastUpdate
+        property real burnInTime: burnInEffect.burnInFadeTime
 
-    property real disp_top: (frame.displacementTop * appSettings.windowScaling) / height
-    property real disp_bottom: (frame.displacementBottom * appSettings.windowScaling) / height
-    property real disp_left: (frame.displacementLeft * appSettings.windowScaling) / width
-    property real disp_right: (frame.displacementRight * appSettings.windowScaling) / width
+        property real jitter: appSettings.jitter
+        property size jitterDisplacement: Qt.size(0.007 * jitter, 0.002 * jitter)
+        property real staticNoise: appSettings.staticNoise
+        property size scaleNoiseSize: Qt.size((width * 0.75) / (noiseTexture.width * appSettings.windowScaling * appSettings.totalFontScaling),
+                                              (height * 0.75) / (noiseTexture.height * appSettings.windowScaling * appSettings.totalFontScaling))
 
-    property real screen_brightness: appSettings.brightness * 1.5 + 0.5
+        property size virtualResolution: parent.virtualResolution
 
-    // This is the average value of the abs(sin) function. Needed to avoid aliasing.
-    readonly property real absSinAvg: 0.63661828335466886
-    property size rasterizationSmooth: Qt.size(
-                                           Utils.clamp(2.0 * virtual_resolution.width / (width * devicePixelRatio), 0.0, 1.0),
-                                           Utils.clamp(2.0 * virtual_resolution.height / (height * devicePixelRatio), 0.0, 1.0))
+        // Rasterization might display oversamping issues if virtual resolution is close to physical display resolution.
+        // We progressively disable rasterization from 4x up to 2x resolution.
+        property real rasterizationIntensity: Utils.smoothstep(2.0, 4.0, _screenDensity)
 
-    property real dispX
-    property real dispY
-    property size virtual_resolution
-
-    TimeManager{
-        id: timeManager
-        enableTimer: terminalWindow.visible
-    }
-
-    property alias time: timeManager.time
+        property real time: timeManager ? timeManager.time : 0
         property ShaderEffectSource noiseSource: noiseShaderSource
 
-    // If something goes wrong activate the fallback version of the shader.
-    property bool fallBack: false
+        property real frameSize: parent.frameSize
+        property real frameShininess: appSettings.frameShininess
+        property real bloom: parent.bloomSource ? appSettings.bloom * 2.5 : 0
 
+        anchors.fill: parent
         blending: false
 
-    //Smooth random texture used for flickering effect.
-    Image{
+        Image {
             id: noiseTexture
             source: "images/allNoise512.png"
             width: 512
@@ -90,7 +122,7 @@ ShaderEffect {
             fillMode: Image.Tile
             visible: false
         }
-    ShaderEffectSource{
+        ShaderEffectSource {
             id: noiseShaderSource
             sourceItem: noiseTexture
             wrapMode: ShaderEffectSource.Repeat
@@ -98,240 +130,71 @@ ShaderEffect {
             smooth: true
         }
 
-    //Print the number with a reasonable precision for the shader.
-    function str(num){
-        return num.toFixed(8);
+        vertexShader: "qrc:/shaders/terminal_dynamic.vert.qsb"
+        fragmentShader: dynamicFragmentPath()
+
+        onStatusChanged: if (log) console.log(log)
     }
 
-    vertexShader: "
-        uniform highp mat4 qt_Matrix;
-        uniform highp float time;
+    Loader {
+        id: terminalFrameLoader
 
-        uniform highp float disp_left;
-        uniform highp float disp_right;
-        uniform highp float disp_top;
-        uniform highp float disp_bottom;
+        active: appSettings.frameEnabled
 
-        attribute highp vec4 qt_Vertex;
-        attribute highp vec2 qt_MultiTexCoord0;
+        width: staticShader.width
+        height: staticShader.height
 
-        varying highp vec2 qt_TexCoord0;" +
+        sourceComponent: ShaderEffectSource {
 
-        (!fallBack ? "
-            uniform sampler2D noiseSource;" : "") +
+            sourceItem: terminalFrame
+            hideSource: true
+            visible: false
+            format: ShaderEffectSource.RGBA
 
-        (!fallBack && flickering !== 0.0 ?"
-            varying lowp float brightness;
-            uniform lowp float flickering;" : "") +
-        (!fallBack && horizontalSync !== 0.0 ?"
-            uniform lowp float horizontalSync;
-            varying lowp float distortionScale;
-            varying lowp float distortionFreq;" : "") +
-
-        "
-        void main() {
-            qt_TexCoord0.x = (qt_MultiTexCoord0.x - disp_left) / (1.0 - disp_left - disp_right);
-            qt_TexCoord0.y = (qt_MultiTexCoord0.y - disp_top) / (1.0 - disp_top - disp_bottom);
-            vec2 coords = vec2(fract(time/(1024.0*2.0)), fract(time/(1024.0*1024.0)));" +
-
-            (!fallBack && (flickering !== 0.0 || horizontalSync !== 0.0) ?
-                "vec4 initialNoiseTexel = texture2D(noiseSource, coords);"
-            : "") +
-            (!fallBack && flickering !== 0.0 ? "
-                brightness = 1.0 + (initialNoiseTexel.g - 0.5) * flickering;"
-            : "") +
-
-            (!fallBack && horizontalSync !== 0.0 ? "
-                float randval = horizontalSync - initialNoiseTexel.r;
-                distortionScale = step(0.0, randval) * randval * horizontalSync;
-                distortionFreq = mix(4.0, 40.0, initialNoiseTexel.g);"
-            : "") +
-
-            "gl_Position = qt_Matrix * qt_Vertex;
-        }"
-
-    fragmentShader: "
-        #ifdef GL_ES
-            precision mediump float;
-        #endif
-
-        uniform sampler2D source;
-        uniform highp float qt_Opacity;
-        uniform highp float time;
-        varying highp vec2 qt_TexCoord0;
-
-        uniform highp vec4 fontColor;
-        uniform highp vec4 backgroundColor;
-        uniform lowp float screen_brightness;
-
-        uniform highp vec2 virtual_resolution;
-        uniform highp vec2 rasterizationSmooth;
-        uniform highp float dispX;
-        uniform highp float dispY;" +
-
-        (bloom !== 0 ? "
-            uniform highp sampler2D bloomSource;
-            uniform lowp float bloom;" : "") +
-        (burnIn !== 0 ? "
-            uniform sampler2D blurredSource;" : "") +
-        (staticNoise !== 0 ? "
-            uniform highp float staticNoise;" : "") +
-        (((staticNoise !== 0 || jitter !== 0 || rbgShift)
-          ||(fallBack && (flickering || horizontalSync))) ? "
-            uniform lowp sampler2D noiseSource;
-            uniform highp vec2 scaleNoiseSize;" : "") +
-        (screenCurvature !== 0 ? "
-            uniform highp float screenCurvature;" : "") +
-        (glowingLine !== 0 ? "
-            uniform highp float glowingLine;" : "") +
-        (chromaColor !== 0 ? "
-            uniform lowp float chromaColor;" : "") +
-        (jitter !== 0 ? "
-            uniform lowp float jitter;" : "") +
-        (rbgShift !== 0 ? "
-            uniform lowp float rbgShift;" : "") +
-
-        (fallBack && horizontalSync !== 0 ? "
-            uniform lowp float horizontalSync;" : "") +
-        (fallBack && flickering !== 0.0 ?"
-            uniform lowp float flickering;" : "") +
-        (!fallBack && flickering !== 0 ? "
-            varying lowp float brightness;"
-        : "") +
-        (!fallBack && horizontalSync !== 0 ? "
-            varying lowp float distortionScale;
-            varying lowp float distortionFreq;" : "") +
-
-        (glowingLine !== 0 ? "
-            float randomPass(vec2 coords){
-                return fract(smoothstep(-120.0, 0.0, coords.y - (virtual_resolution.y + 120.0) * fract(time * 0.00015)));
-            }" : "") +
-
-        "highp float getScanlineIntensity(vec2 coords) {
-            highp float result = 1.0;" +
-
-           (appSettings.rasterization != appSettings.no_rasterization ?
-               "float val = abs(sin(coords.y * virtual_resolution.y * "+Math.PI+"));
-                result *= mix(val, " + absSinAvg + ", rasterizationSmooth.y);" : "") +
-           (appSettings.rasterization == appSettings.pixel_rasterization ?
-               "val = abs(sin(coords.x * virtual_resolution.x * "+Math.PI+"));
-                result *= mix(val, " + absSinAvg + ", rasterizationSmooth.x);" : "") + "
-
-           return result;
+            TerminalFrame {
+                id: terminalFrame
+                blending: false
+                anchors.fill: parent
+            }
+        }
     }
 
-        float rgb2grey(vec3 v){
-            return dot(v, vec3(0.21, 0.72, 0.04));
-        }" +
+    ShaderEffect {
+        id: staticShader
 
-        "void main() {" +
-            "vec2 cc = vec2(0.5) - qt_TexCoord0;" +
-            "float distance = length(cc);" +
+        width: parent.width * appSettings.windowScaling
+        height: parent.height * appSettings.windowScaling
 
-            //FallBack if there are problems
-            (fallBack && (flickering !== 0.0 || horizontalSync !== 0.0) ?
-                "vec2 initialCoords = vec2(fract(time/(1024.0*2.0)), fract(time/(1024.0*1024.0)));
-                 vec4 initialNoiseTexel = texture2D(noiseSource, initialCoords);"
-            : "") +
-            (fallBack && flickering !== 0.0 ? "
-                float brightness = 1.0 + (initialNoiseTexel.g - 0.5) * flickering;"
-            : "") +
-            (fallBack && horizontalSync !== 0.0 ? "
-                float randval = horizontalSync - initialNoiseTexel.r;
-                float distortionScale = step(0.0, randval) * randval * horizontalSync;
-                float distortionFreq = mix(4.0, 40.0, initialNoiseTexel.g);"
-            : "") +
+        property ShaderEffectSource source: parent.source
+        property ShaderEffectSource bloomSource: parent.bloomSource
 
-            (staticNoise ? "
-                float noise = staticNoise;" : "") +
+        property color fontColor: parent.fontColor
+        property color backgroundColor: parent.backgroundColor
+        property real bloom: bloomSource ? appSettings.bloom * 2.5 : 0
 
-            (screenCurvature !== 0 ? "
-                float distortion = dot(cc, cc) * screenCurvature;
-                vec2 staticCoords = (qt_TexCoord0 - cc * (1.0 + distortion) * distortion);"
-            :"
-                vec2 staticCoords = qt_TexCoord0;") +
+        property real screenCurvature: parent.screenCurvature
 
-            "vec2 coords = staticCoords;" +
+        property real chromaColor: appSettings.chromaColor;
 
-            (horizontalSync !== 0 ? "
-                float dst = sin((coords.y + time * 0.001) * distortionFreq);
-                coords.x += dst * distortionScale;" +
-                (staticNoise ? "
-                    noise += distortionScale * 7.0;" : "")
-            : "") +
+        property real rgbShift: appSettings.rgbShift * (4.0 / width) * appSettings.totalFontScaling
 
-            (jitter !== 0 || staticNoise !== 0 ?
-                "vec4 noiseTexel = texture2D(noiseSource, scaleNoiseSize * coords + vec2(fract(time / 51.0), fract(time / 237.0)));"
-            : "") +
+        property real screen_brightness: Utils.lint(0.5, 1.5, appSettings.brightness)
+        property real frameShininess: appSettings.frameShininess
+        property real frameSize: parent.frameSize
 
-            (jitter !== 0 ? "
-                vec2 offset = vec2(noiseTexel.b, noiseTexel.a) - vec2(0.5);
-                vec2 txt_coords = coords + offset * jitter;"
-            :  "vec2 txt_coords = coords;") +
+        blending: false
+        visible: false
 
-            "float color = 0.0;" +
+        vertexShader: "qrc:/shaders/terminal_static.vert.qsb"
+        fragmentShader: staticFragmentPath()
 
-            (staticNoise !== 0 ? "
-                float noiseVal = noiseTexel.a;
-                color += noiseVal * noise * (1.0 - distance * 1.3);" : "") +
-
-            (glowingLine !== 0 ? "
-                color += randomPass(coords * virtual_resolution) * glowingLine;" : "") +
-
-            "vec3 txt_color = texture2D(source, txt_coords).rgb;" +
-
-            (burnIn !== 0 ? "
-                vec4 txt_blur = texture2D(blurredSource, txt_coords);
-                txt_color = txt_color + txt_blur.rgb * txt_blur.a;"
-            : "") +
-
-             "float greyscale_color = rgb2grey(txt_color) + color;" +
-
-            (chromaColor !== 0 ?
-                (rbgShift !== 0 ? "
-                    float rgb_noise = abs(texture2D(noiseSource, vec2(fract(time/(1024.0 * 256.0)), fract(time/(1024.0*1024.0)))).a - 0.5);
-                    float rcolor = texture2D(source, txt_coords + vec2(0.1, 0.0) * rbgShift * rgb_noise).r;
-                    float bcolor = texture2D(source, txt_coords - vec2(0.1, 0.0) * rbgShift * rgb_noise).b;
-                    txt_color.r = rcolor;
-                    txt_color.b = bcolor;
-                    greyscale_color = 0.33 * (rcolor + bcolor);" : "") +
-
-                "vec3 mixedColor = mix(fontColor.rgb, txt_color * fontColor.rgb, chromaColor);
-                 vec3 finalBackColor = mix(backgroundColor.rgb, mixedColor, greyscale_color);
-                 vec3 finalColor = mix(finalBackColor, fontColor.rgb, color).rgb;"
-            :
-                "vec3 finalColor = mix(backgroundColor.rgb, fontColor.rgb, greyscale_color);") +
-
-            "finalColor *= getScanlineIntensity(coords);" +
-
-            (bloom !== 0 ?
-                "vec4 bloomFullColor = texture2D(bloomSource, coords);
-                 vec3 bloomColor = bloomFullColor.rgb;
-                 float bloomAlpha = bloomFullColor.a;" +
-                (chromaColor !== 0 ?
-                    "bloomColor = fontColor.rgb * mix(vec3(rgb2grey(bloomColor)), bloomColor, chromaColor);"
-                :
-                    "bloomColor = fontColor.rgb * rgb2grey(bloomColor);") +
-                "finalColor += bloomColor * bloom * bloomAlpha;"
-            : "") +
-
-            "finalColor *= smoothstep(-dispX, 0.0, staticCoords.x) - smoothstep(1.0, 1.0 + dispX, staticCoords.x);
-             finalColor *= smoothstep(-dispY, 0.0, staticCoords.y) - smoothstep(1.0, 1.0 + dispY, staticCoords.y);" +
-
-            (flickering !== 0 ? "
-                finalColor *= brightness;" : "") +
-
-            "gl_FragColor = vec4(finalColor * screen_brightness, qt_Opacity);" +
-        "}"
-
-     onStatusChanged: {
-         // Print warning messages
-         if (log)
-             console.log(log);
-
-         // Activate fallback mode
-         if (status == ShaderEffect.Error) {
-            fallBack = true;
+        onStatusChanged: if (log) console.log(log)
     }
+
+    ShaderEffectSource {
+        id: frameBuffer
+        visible: false
+        sourceItem: staticShader
+        hideSource: true
     }
 }

app/qml/SimpleSlider.qml

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
 * https://github.com/Swordfish90/cool-retro-term
 *
 * This file is part of cool-retro-term.
@@ -17,9 +17,8 @@
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
-
 import QtQuick 2.2
-import QtQuick.Controls 1.1
+import QtQuick.Controls 2.0
 import QtQuick.Layouts 1.1
 
 import "Components"
@@ -27,18 +26,18 @@ import "Components"
 RowLayout {
     property alias value: slider.value
     property alias stepSize: slider.stepSize
-    property alias minimumValue: slider.minimumValue
-    property alias maximumValue: slider.maximumValue
+    property alias minimumValue: slider.from
+    property alias maximumValue: slider.to
     property real maxMultiplier: 100
 
     id: setting_component
     spacing: 10
-    Slider{
+    Slider {
         id: slider
         stepSize: parent.stepSize
         Layout.fillWidth: true
     }
-    SizedLabel{
+    SizedLabel {
         text: Math.round(value * maxMultiplier) + "%"
     }
 }

app/qml/SizeOverlay.qml

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
 * https://github.com/Swordfish90/cool-retro-term
 *
 * This file is part of cool-retro-term.
@@ -17,31 +17,33 @@
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
-
 import QtQuick 2.2
 
-Rectangle{
+Rectangle {
     property size terminalSize
-    property real topOpacity: 0.6
+    property real topOpacity: 0.5
+
     width: textSize.width * 2
     height: textSize.height * 2
     radius: 5
-    border.width: 2
-    border.color: "white"
     color: "black"
-    opacity: sizetimer.running ? 0.6 : 0.0
+    opacity: sizetimer.running ? 0.5 : 0.0
 
-    Behavior on opacity{NumberAnimation{duration: 200}}
+    Behavior on opacity {
+        NumberAnimation {
+            duration: 200
+        }
+    }
 
     onTerminalSizeChanged: sizetimer.restart()
 
-    Text{
+    Text {
         id: textSize
         anchors.centerIn: parent
         color: "white"
         text: terminalSize.width + "x" + terminalSize.height
     }
-    Timer{
+    Timer {
         id: sizetimer
         interval: 1000
         running: false

app/qml/Storage.qml

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
 * https://github.com/Swordfish90/cool-retro-term
 *
 * This file is part of cool-retro-term.
@@ -22,10 +22,12 @@ import QtQuick 2.2
 import QtQuick.LocalStorage 2.0
 
 QtObject {
+    readonly property string dbMajorVersion: "2"
+    readonly property string dbMinorVersion: "1.0"
     property bool initialized: false
 
     function getDatabase() {
-         return LocalStorage.openDatabaseSync("coolretroterm", "1.0", "StorageDatabase", 100000);
+         return LocalStorage.openDatabaseSync("coolretroterm" + dbMajorVersion, dbMinorVersion, "StorageDatabase", 100000)
     }
 
     function initialize() {
@@ -33,9 +35,10 @@ QtObject {
         db.transaction(
             function(tx) {
                 tx.executeSql('CREATE TABLE IF NOT EXISTS settings(setting TEXT UNIQUE, value TEXT)');
-          });
+            }
+        )
 
-        initialized = true;
+        initialized = true
     }
 
     function setSetting(setting, value) {
@@ -43,7 +46,8 @@ QtObject {
 
         var db = getDatabase();
         var res = "";
-       db.transaction(function(tx) {
+        db.transaction(
+            function(tx) {
                 var rs = tx.executeSql('INSERT OR REPLACE INTO settings VALUES (?,?);', [setting,value]);
                 //console.log(rs.rowsAffected)
                 if (rs.rowsAffected > 0) {
@@ -52,23 +56,25 @@ QtObject {
                     res = "Error";
                 }
            }
-      );
+      )
       // The function returns “OK” if it was successful, or “Error” if it wasn't
-      return res;
+      return res
     }
 
     function getSetting(setting) {
         if(!initialized) initialize();
         var db = getDatabase();
-       var res="";
-       db.transaction(function(tx) {
+        var res = "";
+        db.transaction(
+            function(tx) {
                 var rs = tx.executeSql('SELECT value FROM settings WHERE setting=?;', [setting]);
                 if (rs.rows.length > 0) {
                 res = rs.rows.item(0).value;
                 } else {
                 res = undefined;
                 }
-      })
+            }
+        )
         return res
     }
 
@@ -77,6 +83,7 @@ QtObject {
         db.transaction(
             function(tx) {
                 tx.executeSql('DROP TABLE settings');
-          });
+            }
+        )
     }
 }

app/qml/TerminalContainer.qml

@@ -1,132 +1,81 @@
+/*******************************************************************************
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
+* https://github.com/Swordfish90/cool-retro-term
+*
+* This file is part of cool-retro-term.
+*
+* cool-retro-term is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*******************************************************************************/
 import QtQuick 2.2
-import QtGraphicalEffects 1.0
+import Qt5Compat.GraphicalEffects
 
 import "utils.js" as Utils
 
-ShaderTerminal{
+ShaderTerminal {
     property alias title: terminal.title
     property alias terminalSize: terminal.terminalSize
+    signal sessionFinished()
+
+    property bool loadBloomEffect: appSettings.bloom > 0 || appSettings._frameShininess > 0
 
     id: mainShader
     opacity: appSettings.windowOpacity * 0.3 + 0.7
 
-    blending: false
-
     source: terminal.mainSource
-    blurredSource: terminal.blurredSource
-    dispX: (12 / width) * appSettings.windowScaling
-    dispY: (12 / height) * appSettings.windowScaling
-    virtual_resolution: terminal.virtualResolution
+    burnInEffect: terminal.burnInEffect
+    virtualResolution: terminal.virtualResolution
+    screenResolution: Qt.size(
+        terminalWindow.width * Screen.devicePixelRatio * appSettings.windowScaling,
+        terminalWindow.height * Screen.devicePixelRatio * appSettings.windowScaling
+    )
+    bloomSource: bloomSourceLoader.item
 
-    Loader{
-        id: frame
-        anchors.fill: parent
-
-        property real displacementLeft: item ? item.displacementLeft : 0
-        property real displacementTop: item ? item.displacementTop : 0
-        property real displacementRight: item ? item.displacementRight : 0
-        property real displacementBottom: item ? item.displacementBottom : 0
-
-        asynchronous: true
-        visible: status === Loader.Ready
-
-        z: 2.1
-        source: appSettings.frameSource
-    }
-
-    PreprocessedTerminal{
+    PreprocessedTerminal {
         id: terminal
         anchors.fill: parent
+        onSessionFinished: mainShader.sessionFinished()
+    }
+
+    function activate() {
+        terminal.mainTerminal.forceActiveFocus()
     }
 
     //  EFFECTS  ////////////////////////////////////////////////////////////////
-
-    Loader{
+    Loader {
         id: bloomEffectLoader
-        active: appSettings.bloom
+        active: loadBloomEffect
         asynchronous: true
         width: parent.width * appSettings.bloomQuality
         height: parent.height * appSettings.bloomQuality
 
-        sourceComponent: FastBlur{
-            radius: Utils.lint(16, 48, appSettings.bloomQuality * appSettings.windowScaling);
+        sourceComponent: FastBlur {
+            radius: Utils.lint(16, 64, appSettings.bloomQuality)
             source: terminal.mainSource
             transparentBorder: true
         }
     }
-    Loader{
+    Loader {
         id: bloomSourceLoader
-        active: appSettings.bloom !== 0
+        active: loadBloomEffect
         asynchronous: true
-        sourceComponent: ShaderEffectSource{
+        sourceComponent: ShaderEffectSource {
             id: _bloomEffectSource
             sourceItem: bloomEffectLoader.item
+            wrapMode: ShaderEffectSource.Repeat
             hideSource: true
             smooth: true
             visible: false
         }
     }
-
-    bloomSource: bloomSourceLoader.item
-
-    // This shader might be useful in the future. Since we used it only for a couple
-    // of calculations is probably best to move those in the main shader. If in the future
-    // we need to store another fullScreen channel this might be handy.
-
-//    ShaderEffect {
-//        id: rasterizationEffect
-//        width: parent.width
-//        height: parent.height
-//        property real outColor: 0.0
-//        property real dispX: (5 / width) * appSettings.windowScaling
-//        property real dispY: (5 / height) * appSettings.windowScaling
-//        property size virtual_resolution: terminal.virtualResolution
-
-//        blending: false
-
-//        fragmentShader:
-//            "uniform lowp float qt_Opacity;" +
-
-//            "varying highp vec2 qt_TexCoord0;
-//             uniform highp vec2 virtual_resolution;
-//             uniform highp float dispX;
-//             uniform highp float dispY;
-//             uniform mediump float outColor;
-
-//             highp float getScanlineIntensity(vec2 coords) {
-//                 highp float result = 1.0;" +
-
-//                (appSettings.rasterization != appSettings.no_rasterization ?
-//                    "result *= abs(sin(coords.y * virtual_resolution.y * "+Math.PI+"));" : "") +
-//                (appSettings.rasterization == appSettings.pixel_rasterization ?
-//                    "result *= abs(sin(coords.x * virtual_resolution.x * "+Math.PI+"));" : "") + "
-
-//                return result;
-//             }" +
-
-//            "void main() {" +
-//                "highp float color = getScanlineIntensity(qt_TexCoord0);" +
-
-//                "float distance = length(vec2(0.5) - qt_TexCoord0);" +
-//                "color = mix(color, 0.0, 1.2 * distance * distance);" +
-
-//                "color *= outColor + smoothstep(0.00, dispX, qt_TexCoord0.x) * (1.0 - outColor);" +
-//                "color *= outColor + smoothstep(0.00, dispY, qt_TexCoord0.y) * (1.0 - outColor);" +
-//                "color *= outColor + (1.0 - smoothstep(1.00 - dispX, 1.00, qt_TexCoord0.x)) * (1.0 - outColor);" +
-//                "color *= outColor + (1.0 - smoothstep(1.00 - dispY, 1.00, qt_TexCoord0.y)) * (1.0 - outColor);" +
-
-//                "gl_FragColor.a = color;" +
-//            "}"
-
-//        onStatusChanged: if (log) console.log(log) //Print warning messages
-//    }
-
-//    rasterizationSource: ShaderEffectSource{
-//        id: rasterizationEffectSource
-//        sourceItem: rasterizationEffect
-//        hideSource: true
-//        smooth: true
-//        wrapMode: ShaderEffectSource.ClampToEdge
-//        visible: false
-//    }
 }

app/qml/TerminalFrame.qml

@@ -0,0 +1,52 @@
+/*******************************************************************************
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
+* https://github.com/Swordfish90/cool-retro-term
+*
+* This file is part of cool-retro-term.
+*
+* cool-retro-term is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*******************************************************************************/
+import QtQuick 2.0
+
+import "utils.js" as Utils
+
+ShaderEffect {
+    property color _staticFrameColor: Utils.sum(appSettings.frameColor, Qt.rgba(0.1, 0.1, 0.1, 1.0))
+    property color _backgroundColor: appSettings.backgroundColor
+    property color _fontColor: appSettings.fontColor
+    property color _lightColor: Utils.mix(_fontColor, _backgroundColor, 0.2)
+
+    property color frameColor: Utils.mix(
+        Utils.scaleColor(_lightColor, 0.2),
+        _staticFrameColor,
+        0.125 + 0.750 * ambientLight
+    )
+
+    property real screenCurvature: appSettings.screenCurvature * appSettings.screenCurvatureSize * terminalWindow.normalizedWindowScale
+
+    property real frameShininess: appSettings.frameShininess
+
+    property real frameSize: appSettings.frameSize * terminalWindow.normalizedWindowScale
+
+    property real screenRadius: appSettings.screenRadius
+
+    property size viewportSize: Qt.size(width / appSettings.windowScaling, height / appSettings.windowScaling)
+
+    property real ambientLight: appSettings.ambientLight
+
+    vertexShader: "qrc:/shaders/terminal_frame.vert.qsb"
+    fragmentShader: "qrc:/shaders/terminal_frame.frag.qsb"
+
+    onStatusChanged: if (log) console.log(log) //Print warning messages
+}

app/qml/TerminalTabs.qml

@@ -0,0 +1,155 @@
+/*******************************************************************************
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
+* https://github.com/Swordfish90/cool-retro-term
+*
+* This file is part of cool-retro-term.
+*
+* cool-retro-term is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*******************************************************************************/
+import QtQuick
+import QtQuick.Controls
+import QtQuick.Layouts
+import QtQml.Models
+
+Item {
+    id: tabsRoot
+
+    readonly property int innerPadding: 6
+    readonly property string currentTitle: tabsModel.get(currentIndex).title ?? "cool-retro-term"
+    property alias currentIndex: tabBar.currentIndex
+    readonly property int count: tabsModel.count
+    property size terminalSize: Qt.size(0, 0)
+
+    function normalizeTitle(rawTitle) {
+        if (rawTitle === undefined || rawTitle === null) {
+            return ""
+        }
+        return String(rawTitle).trim()
+    }
+
+    function addTab() {
+        tabsModel.append({ title: "" })
+        tabBar.currentIndex = tabsModel.count - 1
+    }
+
+    function closeTab(index) {
+        if (tabsModel.count <= 1) {
+            terminalWindow.close()
+            return
+        }
+
+        tabsModel.remove(index)
+        tabBar.currentIndex = Math.min(tabBar.currentIndex, tabsModel.count - 1)
+    }
+
+    ListModel {
+        id: tabsModel
+    }
+
+    Component.onCompleted: addTab()
+
+    ColumnLayout {
+        anchors.fill: parent
+        spacing: 0
+
+        Rectangle {
+            id: tabRow
+            Layout.fillWidth: true
+            height: rowLayout.implicitHeight
+            color: palette.window
+            visible: tabsModel.count > 1
+
+            RowLayout {
+                id: rowLayout
+                anchors.fill: parent
+                spacing: 0
+
+                TabBar {
+                    id: tabBar
+                    Layout.fillWidth: true
+                    Layout.fillHeight: true
+                    focusPolicy: Qt.NoFocus
+
+                    Repeater {
+                        model: tabsModel
+                        TabButton {
+                            id: tabButton
+                            contentItem: RowLayout {
+                                anchors.fill: parent
+                                anchors { leftMargin: innerPadding; rightMargin: innerPadding }
+                                spacing: innerPadding
+
+                                Label {
+                                    text: model.title
+                                    elide: Text.ElideRight
+                                    Layout.fillWidth: true
+                                    Layout.alignment: Qt.AlignVCenter
+                                }
+
+                                ToolButton {
+                                    text: "\u00d7"
+                                    focusPolicy: Qt.NoFocus
+                                    padding: innerPadding
+                                    Layout.alignment: Qt.AlignVCenter
+                                    onClicked: tabsRoot.closeTab(index)
+                                }
+                            }
+                        }
+                    }
+                }
+
+                ToolButton {
+                    id: addTabButton
+                    text: "+"
+                    focusPolicy: Qt.NoFocus
+                    Layout.fillHeight: true
+                    padding: innerPadding
+                    Layout.alignment: Qt.AlignVCenter
+                    onClicked: tabsRoot.addTab()
+                }
+            }
+        }
+
+        StackLayout {
+            id: stack
+            Layout.fillWidth: true
+            Layout.fillHeight: true
+            currentIndex: tabBar.currentIndex
+
+            Repeater {
+                model: tabsModel
+                TerminalContainer {
+                    property bool shouldHaveFocus: terminalWindow.active && StackLayout.isCurrentItem
+                    onShouldHaveFocusChanged: {
+                        if (shouldHaveFocus) {
+                            activate()
+                        }
+                    }
+                    onTitleChanged: tabsModel.setProperty(index, "title", normalizeTitle(title))
+                    Layout.fillWidth: true
+                    Layout.fillHeight: true
+                    onSessionFinished: tabsRoot.closeTab(index)
+                    onTerminalSizeChanged: updateTerminalSize()
+
+                    function updateTerminalSize() {
+                        // Every tab will have the same size so we can simply take the first one.
+                        if (index == 0) {
+                            tabsRoot.terminalSize = terminalSize
+                        }
+                    }
+                }
+            }
+        }
+    }
+}

app/qml/TerminalWindow.qml

@@ -0,0 +1,136 @@
+/*******************************************************************************
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
+* https://github.com/Swordfish90/cool-retro-term
+*
+* This file is part of cool-retro-term.
+*
+* cool-retro-term is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*******************************************************************************/
+import QtQuick 2.2
+import QtQuick.Window 2.1
+import QtQuick.Controls 2.3
+
+import "menus"
+
+ApplicationWindow {
+    id: terminalWindow
+
+    width: 1024
+    height: 768
+
+    // Show the window once it is ready.
+    Component.onCompleted: {
+        visible = true
+    }
+
+    minimumWidth: 320
+    minimumHeight: 240
+
+    visible: false
+
+    property bool fullscreen: false
+    onFullscreenChanged: visibility = (fullscreen ? Window.FullScreen : Window.Windowed)
+
+    menuBar: WindowMenu { }
+
+    property real normalizedWindowScale: 1024 / ((0.5 * width + 0.5 * height))
+
+    color: "#00000000"
+
+    title: terminalTabs.currentTitle
+
+    Action {
+        id: fullscreenAction
+        text: qsTr("Fullscreen")
+        enabled: !appSettings.isMacOS
+        shortcut: StandardKey.FullScreen
+        onTriggered: fullscreen = !fullscreen
+        checkable: true
+        checked: fullscreen
+    }
+    Action {
+        id: newWindowAction
+        text: qsTr("New Window")
+        shortcut: appSettings.isMacOS ? "Meta+N" : "Ctrl+Shift+N"
+        onTriggered: appRoot.createWindow()
+    }
+    Action {
+        id: quitAction
+        text: qsTr("Quit")
+        shortcut: appSettings.isMacOS ? StandardKey.Close : "Ctrl+Shift+Q"
+        onTriggered: terminalWindow.close()
+    }
+    Action {
+        id: showsettingsAction
+        text: qsTr("Settings")
+        onTriggered: {
+            settingsWindow.show()
+            settingsWindow.requestActivate()
+            settingsWindow.raise()
+        }
+    }
+    Action {
+        id: copyAction
+        text: qsTr("Copy")
+        shortcut: appSettings.isMacOS ? StandardKey.Copy : "Ctrl+Shift+C"
+    }
+    Action {
+        id: pasteAction
+        text: qsTr("Paste")
+        shortcut: appSettings.isMacOS ? StandardKey.Paste : "Ctrl+Shift+V"
+    }
+    Action {
+        id: zoomIn
+        text: qsTr("Zoom In")
+        shortcut: StandardKey.ZoomIn
+        onTriggered: appSettings.incrementScaling()
+    }
+    Action {
+        id: zoomOut
+        text: qsTr("Zoom Out")
+        shortcut: StandardKey.ZoomOut
+        onTriggered: appSettings.decrementScaling()
+    }
+    Action {
+        id: showAboutAction
+        text: qsTr("About")
+        onTriggered: {
+            aboutDialog.show()
+            aboutDialog.requestActivate()
+            aboutDialog.raise()
+        }
+    }
+    Action {
+        id: newTabAction
+        text: qsTr("New Tab")
+        shortcut: appSettings.isMacOS ? StandardKey.AddTab : "Ctrl+Shift+T"
+        onTriggered: terminalTabs.addTab()
+    }
+    TerminalTabs {
+        id: terminalTabs
+        width: parent.width
+        height: (parent.height + Math.abs(y))
+    }
+    Loader {
+        anchors.centerIn: parent
+        active: appSettings.showTerminalSize
+        sourceComponent: SizeOverlay {
+            z: 3
+            terminalSize: terminalTabs.terminalSize
+        }
+    }
+    onClosing: {
+        appRoot.closeWindow(terminalWindow)
+    }
+}

app/qml/TimeManager.qml

@@ -1,5 +1,5 @@
 /*******************************************************************************
-* Copyright (c) 2013 "Filippo Scognamiglio"
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
 * https://github.com/Swordfish90/cool-retro-term
 *
 * This file is part of cool-retro-term.
@@ -17,23 +17,29 @@
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <http://www.gnu.org/licenses/>.
 *******************************************************************************/
+import QtQuick
 
-import QtQuick 2.2
+QtObject {
+    id: timeManager
 
-Timer{
-    default property bool enableTimer: false
-    property real time
+    property bool enableTimer: false
+    property real time: 0
 
-    NumberAnimation on time {
-        from: 0
-        to: 100000
-        running: appSettings.fps === 0 && enableTimer
-        duration: 100000
-        loops: Animation.Infinite
+    property int framesPerUpdate: Math.max(1, appSettings.effectsFrameSkip)
+    property int _frameCounter: 0
+
+    property var frameDriver: FrameAnimation {
+        running: enableTimer
+        onTriggered: {
+            timeManager._frameCounter += 1
+
+            if (timeManager._frameCounter >= timeManager.framesPerUpdate) {
+                time = elapsedTime
+                timeManager._frameCounter = 0
+            }
+        }
     }
 
-    onTriggered: time += interval
-    running: appSettings.fps !== 0 && enableTimer
-    interval: Math.round(1000 / appSettings.fps)
-    repeat: true
+    onEnableTimerChanged: if (!enableTimer) _frameCounter = 0
+    onFramesPerUpdateChanged: _frameCounter = 0
 }

app/qml/fonts/1979-atari-400-800/ReadMe.rtf

@@ -1,317 +0,0 @@
-{\rtf1\ansi\deff0\deftab720{\fonttbl{\f0\fswiss MS Sans Serif;}{\f1\froman\fcharset2 Symbol;}{\f2\fmodern\fprq1 Atari Classic Chunky;}{\f3\froman Times New Roman;}{\f4\fswiss\fprq2 Arial;}}
-{\colortbl\red0\green0\blue0;\red0\green0\blue255;}
-\deflang1033\pard\plain\f2\fs24\cf1 Atari Classic TrueType Fonts \plain\f2\fs24\cf0 
-\par \plain\f4\fs16\cf0 (Windows Version 1.1)
-\par Created by Mark Simonson (v.1.0-1998, v.1.1-2001)
-\par marksim@bitstream.net
-\par Website: Mac/Atari Fusion--Atari Home Computer Resources for Mac Users
-\par http://www2.bitstream.net/~marksim/atarimac/
-\par Macintosh version also available.
-\par 
-\par With these fonts installed, you can view and print Atari text files in any text editor that allows you to change fonts (WordPad, for example). Tip: In order to get the correct line breaks, you will need to change the ATASCII return character (155) to the DOS LF character. (In the Character Map accessory, the ATASCII return is the blank character that comes just before the inverse up-arrow.)
-\par 
-\par There are three different fonts. \plain\f4\fs16\cf0\b Atari Classic Chunky \plain\f4\fs16\cf0 is a pixel-for-pixel copy of the original ATASCII character set. \plain\f4\fs16\cf0\b Atari Classic Smooth \plain\f4\fs16\cf0 interprets the pixel aliasing (stair steps) as diagonal lines. \plain\f4\fs16\cf0\b Atari Classic Extrasmooth \plain\f4\fs16\cf0 refines this idea further with the addition of curves. \plain\f4\fs16\cf0\b Smooth\plain\f4\fs16\cf0  and \plain\f4\fs16\cf0\b Extrasmooth\plain\f4\fs16\cf0  were designed for better appearance and legibility at larger sizes and on print-outs. Use the one that looks best to you.
-\par 
-\par These fonts will tend to look uneven at font sizes that do not correspond to the 8-by-8 pixel grid that the characters are based on. Because Windows assumes 96ppi screen resolution, they will look best in a font size that is a multiple of 6 (i.e., 6pt, 12pt, 18pt, etc.). (In Windows, 6 points = 8 pixels.)
-\par 
-\par The Atari Classic TrueType fonts duplicate the ATASCII character set on a low-level basis. Unlike a normal Windows font, ATASCII utilizes all character codes from $00 to $FF (0 to 255). The lower half are normal characters; the upper half are inverse versions of the lower half. The basic ASCII characters ($00 to $7F) correspond fairly closely except for the first 32, which don't normally contain characters in a Windows font.
-\par 
-\par Due to differences between the way Windows and the Atari use character codes, not all characters will display properly in Windows. In fact, some characters will not display at all (though they do exist in the font). Unfortunately, this is due to certain character codes being reserved in Windows and there doesn't appear to be any way to work around it. The character codes affected are: $00-$1F (0-31), $7F-$81 (127-129), $8D-$90 (141-144), $9D (157), and $9F (158).
-\par 
-\par Not all characters can be typed from the keyboard. You can however copy characters as needed from this document (see tables below). The Character Map desk accessory can help also.
-\par 
-\par \plain\f4\fs16\cf0\b ATASCII CHARACTER SET TABLES
-\par \plain\f4\fs16\cf0 
-\par In order to see the ATASCII character set with these tables, the Atari Classic TrueType fonts must be installed. Characters that are not displayed properly are due to character code usage differences between ATASCII and Windows (see above).
-\par 
-\par 
-\par \plain\f4\fs16\cf0\b TABLE 1: ATASCII Character Dump Block
-\par \plain\f4\fs16\cf0 
-\par All characters (ATASCII $00 thru $FF) 16 characters per
-\par line.
-\par 
-\par 
-\par \plain\f2\fs12\cf0  \'01\'02\'03\'04\'05\'06\'07\'08\tab 
-\par \'0b\'0c
-\par \'0e\'0f
-\par \'10\'11\'12\'13\'14\'15\'16\'17\'18\'19\'1a\'1b\'1c\'1d\'1e\'1f
-\par  !"#$%&'()*+,-./
-\par 0123456789:;<=>?
-\par @ABCDEFGHIJKLMNO
-\par PQRSTUVWXYZ[\\]^_
-\par `abcdefghijklmno
-\par pqrstuvwxyz\{|\}~
-\par \'80\'81\'82\'83\'84\'85\'86\'87\'88\'89\'8a\'8b\'8c\'8d\'8e\'8f
-\par \'90''""\bullet \endash \emdash \'98\'99\'9a \'9c\'9d\'9e\'9f
-\par \~\'a1\'a2\'a3\'a4\'a5\'a6\'a7\'a8\'a9\'aa\'ab\'ac\'ad\'ae\'af
-\par \'b0\'b1\'b2\'b3\'b4\'b5\'b6\'b7\'b8\'b9\'ba\'bb\'bc\'bd\'be\'bf
-\par \'c0\'c1\'c2\'c3\'c4\'c5\'c6\'c7\'c8\'c9\'ca\'cb\'cc\'cd\'ce\'cf
-\par \'d0\'d1\'d2\'d3\'d4\'d5\'d6\'d7\'d8\'d9\'da\'db\'dc\'dd\'de\'df
-\par \'e0\'e1\'e2\'e3\'e4\'e5\'e6\'e7\'e8\'e9\'ea\'eb\'ec\'ed\'ee\'ef
-\par \'f0\'f1\'f2\'f3\'f4\'f5\'f6\'f7\'f8\'f9\'fa\'fb\'fc\'fd\'fe\'ff
-\par \plain\f4\fs16\cf0 
-\par 
-\par \plain\f4\fs16\cf0\b TABLE 2: ATASCII Character Dump List
-\par \plain\f4\fs16\cf0 
-\par All characters (ATASCII $00 thru $FF) one character per
-\par line with hexadecimal value indicated on the left.
-\par 
-\par \plain\f2\fs12\cf0 00= 
-\par 01=\'01
-\par 02=\'02
-\par 03=\'03
-\par 04=\'04
-\par 05=\'05
-\par 06=\'06
-\par 07=\'07
-\par 08=\'08
-\par 09=\tab 
-\par 0A=
-\par 
-\par 0B=\'0b
-\par 0C=\'0c
-\par 0D=
-\par 0E=\'0e
-\par 0F=\'0f
-\par 10=\'10
-\par 11=\'11
-\par 12=\'12
-\par 13=\'13
-\par 14=\'14
-\par 15=\'15
-\par 16=\'16
-\par 17=\'17
-\par 18=\'18
-\par 19=\'19
-\par 1A=\'1a
-\par 1B=\'1b
-\par 1C=\'1c
-\par 1D=\'1d
-\par 1E=\'1e
-\par 1F=\'1f
-\par 20= 
-\par 21=!
-\par 22="
-\par 23=#
-\par 24=$
-\par 25=%
-\par 26=&
-\par 27='
-\par 28=(
-\par 29=)
-\par 2A=*
-\par 2B=+
-\par 2C=,
-\par 2D=-
-\par 2E=.
-\par 2F=/
-\par 30=0
-\par 31=1
-\par 32=2
-\par 33=3
-\par 34=4
-\par 35=5
-\par 36=6
-\par 37=7
-\par 38=8
-\par 39=9
-\par 3A=:
-\par 3B=;
-\par 3C=<
-\par 3D==
-\par 3E=>
-\par 3F=?
-\par 40=@
-\par 41=A
-\par 42=B
-\par 43=C
-\par 44=D
-\par 45=E
-\par 46=F
-\par 47=G
-\par 48=H
-\par 49=I
-\par 4A=J
-\par 4B=K
-\par 4C=L
-\par 4D=M
-\par 4E=N
-\par 4F=O
-\par 50=P
-\par 51=Q
-\par 52=R
-\par 53=S
-\par 54=T
-\par 55=U
-\par 56=V
-\par 57=W
-\par 58=X
-\par 59=Y
-\par 5A=Z
-\par 5B=[
-\par 5C=\\
-\par 5D=]
-\par 5E=^
-\par 5F=_
-\par 60=`
-\par 61=a
-\par 62=b
-\par 63=c
-\par 64=d
-\par 65=e
-\par 66=f
-\par 67=g
-\par 68=h
-\par 69=i
-\par 6A=j
-\par 6B=k
-\par 6C=l
-\par 6D=m
-\par 6E=n
-\par 6F=o
-\par 70=p
-\par 71=q
-\par 72=r
-\par 73=s
-\par 74=t
-\par 75=u
-\par 76=v
-\par 77=w
-\par 78=x
-\par 79=y
-\par 7A=z
-\par 7B=\{
-\par 7C=|
-\par 7D=\}
-\par 7E=~
-\par 7F=
-\par 80=\'80
-\par 81=\'81
-\par 82=\'82
-\par 83=\'83
-\par 84=\'84
-\par 85=\'85
-\par 86=\'86
-\par 87=\'87
-\par 88=\'88
-\par 89=\'89
-\par 8A=\'8a
-\par 8B=\'8b
-\par 8C=\'8c
-\par 8D=\'8d
-\par 8E=\'8e
-\par 8F=\'8f
-\par 90=\'90
-\par 91='
-\par 92='
-\par 93="
-\par 94="
-\par 95=\bullet 
-\par 96=\endash 
-\par 97=\emdash 
-\par 98=\'98
-\par 99=\'99
-\par 9A=\'9a
-\par 9B= 
-\par 9C=\'9c
-\par 9D=\'9d
-\par 9E=\'9e
-\par 9F=\'9f
-\par A0=\~
-\par A1=\'a1
-\par A2=\'a2
-\par A3=\'a3
-\par A4=\'a4
-\par A5=\'a5
-\par A6=\'a6
-\par A7=\'a7
-\par A8=\'a8
-\par A9=\'a9
-\par AA=\'aa
-\par AB=\'ab
-\par AC=\'ac
-\par AD=\'ad
-\par AE=\'ae
-\par AF=\'af
-\par B0=\'b0
-\par B1=\'b1
-\par B2=\'b2
-\par B3=\'b3
-\par B4=\'b4
-\par B5=\'b5
-\par B6=\'b6
-\par B7=\'b7
-\par B8=\'b8
-\par B9=\'b9
-\par BA=\'ba
-\par BB=\'bb
-\par BC=\'bc
-\par BD=\'bd
-\par BE=\'be
-\par BF=\'bf
-\par C0=\'c0
-\par C1=\'c1
-\par C2=\'c2
-\par C3=\'c3
-\par C4=\'c4
-\par C5=\'c5
-\par C6=\'c6
-\par C7=\'c7
-\par C8=\'c8
-\par C9=\'c9
-\par CA=\'ca
-\par CB=\'cb
-\par CC=\'cc
-\par CD=\'cd
-\par CE=\'ce
-\par CF=\'cf
-\par D0=\'d0
-\par D1=\'d1
-\par D2=\'d2
-\par D3=\'d3
-\par D4=\'d4
-\par D5=\'d5
-\par D6=\'d6
-\par D7=\'d7
-\par D8=\'d8
-\par D9=\'d9
-\par DA=\'da
-\par DB=\'db
-\par DC=\'dc
-\par DD=\'dd
-\par DE=\'de
-\par DF=\'df
-\par E0=\'e0
-\par E1=\'e1
-\par E2=\'e2
-\par E3=\'e3
-\par E4=\'e4
-\par E5=\'e5
-\par E6=\'e6
-\par E7=\'e7
-\par E8=\'e8
-\par E9=\'e9
-\par EA=\'ea
-\par EB=\'eb
-\par EC=\'ec
-\par ED=\'ed
-\par EE=\'ee
-\par EF=\'ef
-\par F0=\'f0
-\par F1=\'f1
-\par F2=\'f2
-\par F3=\'f3
-\par F4=\'f4
-\par F5=\'f5
-\par F6=\'f6
-\par F7=\'f7
-\par F8=\'f8
-\par F9=\'f9
-\par FA=\'fa
-\par FB=\'fb
-\par FC=\'fc
-\par FD=\'fd
-\par FE=\'fe
-\par FF=\'ff
-\par }
-

app/qml/fonts/1982-commodore64/license.txt

@@ -1,6 +0,0 @@
-
-Fonts in this package are (c) 2010 Style.
-
-You MAY NOT: sell this font; include/redistribute this font in any font collection regardless of pricing; provide the font for direct download from any web site. You MAY: link to "http://style64.org/c64-truetype" in order for others to download and install the font; embed this font or its .eot and .woff variants without any modification and using the same filename it was provided with for display on any web site using @font-face rules; use this font in static images and vector art; include this font without any modification and using the same filename it was provided with as part of a software package but ONLY if said software package is freely provided to end users. You may also contact us to negotiate a (possibly commercial) license for your use outside of these guidelines at "http://style64.org/contact-style".
-
-At all times the most recent version of this license can be found at "http://style64.org/c64-truetype/license".

app/qml/fonts/1985-ibm-pc-vga/dos437.txt

@@ -1,72 +0,0 @@
- /
-/(_____________            ____
-\              /______)\  |    |        
-:\      |     /         \:|    |:::::::::: : .. . : ..  . .  :.    .
-  \_____|    /      |    \|    |______  
-___ /               ________          \...     .     .      .
-\______________     \       |  |      /.. . .   .   .             .
-               \            |__|     /
---x--x-----x----\______     |-/_____/-x--x-xx--x-- - -x -- - -   --  - - - 
-. . . . . . . . . . . .\____|. . . . . .
--------------------------------------------------------------------------------
->> perfect dos vga 437 - general information  >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
--------------------------------------------------------------------------------
-
- "Perfect DOS VGA 437" and "Perfect DOS VGA 437 Win" are truetype fonts
- designed to emulate the MS-DOS/Text mode standard font, used on VGA monitors,
- with the 437 Codepage (standard US/International). This is a "bitmap" font,
- meaning it emulates a bitmap font and can only be used at a given size (8 or
- multiples of it like 16, 24, 32, etc). It's optimized for Flash too, so it
- won't produce antialias if used at round positions.
- 
- There are two fonts available. "Perfect DOS VGA 437" uses the original DOS
- codepage 437. It should be used, for example, if you're opening DOS ASCII
- files on notepad or another windows-based editor. Since it's faithful to the
- original DOS codes, it won't accent correctly in windows ("é" would produce
- something different, not an "e" with an acute).
- 
- There's also "Perfect DOS VGA 437 Win" which is the exactly same font adapted
- to a windows codepage. This should use accented characters correctly but won't
- work if you're opening a DOS-based text file.
- 
- UPDATE: this is a new version, updated in august/2008. It has fixed leading
- metrics for Mac systems.
-
--------------------------------------------------------------------------------
->> perfect dos vga 437 - creation process >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
--------------------------------------------------------------------------------
- 
- This font was created to be used on a Flash-based ANSi viewer I'm working. To
- create it, I created a small Quick Basic program to write all characters on
- screen,
- 
-  CLS
-  FOR l = 0 TO 255
-    charWrite 1 + (l MOD 20), 1 + (l \ 20) * 6 + (l MOD 2), LTRIM$(RTRIM$(STR$(l))) + CHR$(l)
-  NEXT
-  SUB charWrite (lin, col, char$)
-    DEF SEG = &HB800
-    FOR i = 1 TO LEN(char$)
-      POKE ((lin - 1) * 160) + ((col - 2 + i) * 2), ASC(MID$(char$, i, 1))
-      IF (i = LEN(char$)) THEN POKE ((lin - 1) * 160) + ((col - 2 + i) * 2) + 1, 113
-    NEXT
-  END SUB
-  
- Then captured the text screen using SCREEN THIEF (a very, very old screen
- capture TSR program which converts text screens to images accurately). I then
- recreated the font polygon by polygon on Fontlab, while looking at the image
- on Photoshop. No conversion took place.
-
--------------------------------------------------------------------------------
->> author >>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>>
--------------------------------------------------------------------------------
-
- zeh fernando remembers the old days. SMASH DAH FUCKING ENTAH.
-
- http://www.fatorcaos.com.br
-
- rorshack ^ maiden brazil
-
--------------------------------------------------------------------------------
-^zehPULLSdahTRICK^kudosOUTtoWHOkeepsITreal^smashDAHfuckingENTAH!!!^lowres4ever^
--------------------------------------------------------------------------------

app/qml/fonts/bigblue-terminal/LICENSE.TXT

@@ -0,0 +1,428 @@
+Attribution-ShareAlike 4.0 International
+
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+
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+
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+
+Creative Commons may be contacted at creativecommons.org.
+

app/qml/fonts/departure-mono/LICENSE

@@ -0,0 +1,93 @@
+Copyright 2022–2024 Helena Zhang (helenazhang.com).
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+https://openfontlicense.org
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded,
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.

app/qml/fonts/fira-code/LICENSE.txt

@@ -1,5 +1,4 @@
-Copyright (c) 2013, Pablo Caro <me AT pcaro DOT es> - http://pcaro.es/
-with Reserved Font Name Hermit.
+Copyright (c) 2014, The Fira Code Project Authors (https://github.com/tonsky/FiraCode)
 
 This Font Software is licensed under the SIL Open Font License, Version 1.1.
 This license is copied below, and is also available with a FAQ at:

app/qml/fonts/gohu/LICENSE

@@ -0,0 +1,13 @@
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+                    Version 2, December 2004
+
+ Copyright (C) 2004 Sam Hocevar
+  14 rue de Plaisance, 75014 Paris, France
+ Everyone is permitted to copy and distribute verbatim or modified
+ copies of this license document, and changing it is allowed as long
+ as the name is changed.
+
+            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
+   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
+
+  0. You just DO WHAT THE FUCK YOU WANT TO. 

app/qml/fonts/greybeard/LICENSE

@@ -1,7 +1,7 @@
-ProFont
 MIT License
 
-Copyright (c) 2014 Carl Osterwald, Stephen C. Gilardi, Andrew Welch
+Copyright (c) 2012-2015 Uwe Waldmann
+Modified work Copyright 2018 Andy Walker
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the "Software"), to deal
@@ -10,13 +10,13 @@ to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
 
-The above copyright notice and this permission notice shall be included in
-all copies or substantial portions of the Software.
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
 
 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
-OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
-THE SOFTWARE.
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

app/qml/fonts/hack/LICENSE.txt

@@ -0,0 +1,45 @@
+The work in the Hack project is Copyright 2018 Source Foundry Authors and licensed under the MIT License
+
+The work in the DejaVu project was committed to the public domain.
+
+Bitstream Vera Sans Mono Copyright 2003 Bitstream Inc. and licensed under the Bitstream Vera License with Reserved Font Names "Bitstream" and "Vera"
+
+### MIT License
+
+Copyright (c) 2018 Source Foundry Authors
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.
+
+### BITSTREAM VERA LICENSE
+
+Copyright (c) 2003 by Bitstream, Inc. All Rights Reserved. Bitstream Vera is a trademark of Bitstream, Inc.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy of the fonts accompanying this license ("Fonts") and associated documentation files (the "Font Software"), to reproduce and distribute the Font Software, including without limitation the rights to use, copy, merge, publish, distribute, and/or sell copies of the Font Software, and to permit persons to whom the Font Software is furnished to do so, subject to the following conditions:
+
+The above copyright and trademark notices and this permission notice shall be included in all copies of one or more of the Font Software typefaces.
+
+The Font Software may be modified, altered, or added to, and in particular the designs of glyphs or characters in the Fonts may be modified and additional glyphs or characters may be added to the Fonts, only if the fonts are renamed to names not containing either the words "Bitstream" or the word "Vera".
+
+This License becomes null and void to the extent applicable to Fonts or Font Software that has been modified and is distributed under the "Bitstream Vera" names.
+
+The Font Software may be sold as part of a larger software package but no copy of one or more of the Font Software typefaces may be sold by itself.
+
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL BITSTREAM OR THE GNOME FOUNDATION BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM OTHER DEALINGS IN THE FONT SOFTWARE.
+
+Except as contained in this notice, the names of Gnome, the Gnome Foundation, and Bitstream Inc., shall not be used in advertising or otherwise to promote the sale, use or other dealings in this Font Software without prior written authorization from the Gnome Foundation or Bitstream Inc., respectively. For further information, contact: fonts at gnome dot org.

app/qml/fonts/ibm-3278/LICENSE.txt

@@ -1,4 +1,6 @@
-Copyright (c) 2011-2017, Ricardo Banffy.
+Copyright 2022 The 3270font Authors (https://github.com/rbanffy/3270font)
+
+Copyright (c) 2011-2022, Ricardo Banffy.
 Copyright (c) 1993-2011, Paul Mattes.
 Copyright (c) 2004-2005, Don Russell.
 Copyright (c) 2004, Dick Altenbern.

app/qml/fonts/ibm-3278/README.md

@@ -33,7 +33,7 @@ packaged version may not be the latest version, but it's good enough for
 most purposes. For those who don't have the luxury of a proper
 system-managed package, Adobe Type 1, TTF, OTF and WOFF versions are
 available for download on
-http://s3.amazonaws.com/3270font/3270_fonts_d250fd9.zip (although this
+http://s3.amazonaws.com/3270font/3270_fonts_4cfe95c.zip (although this
 URL may not always reflect the latest version).
 
 ![ASCII is so 60's](
@@ -52,7 +52,8 @@ and read the tutorials.
 ![Powerline-shell compatible!](
 https://raw.githubusercontent.com/wiki/rbanffy/3270font/powerline.png)
 
-![Using it on OSX (don't forget to turn antialiasing on)](https://raw.githubusercontent.com/wiki/rbanffy/3270font/osx_terminal.png)
+![Using it on OSX (don't forget to turn antialiasing on)](
+https://raw.githubusercontent.com/wiki/rbanffy/3270font/osx_terminal.png)
 
 If you are running Windows, you'll probably need something like
 Cygwin, but, in the end, the font works correctly (with some very
@@ -82,13 +83,15 @@ Contributing
 
 I fear GitHub's pull-request mechanism may not be very
 FontForge-friendly. If you want to contribute (there are a lot of
-missing glyphs, such as the APL set and most non-latin alphabets which
-most likely were never built into 3270 terminals), the best workflow
-would be to make add the encoding slots (if needed), add/make the
-changes, reencode it in "Unicode, Full", compact it and validate
-it. Check if the `git diff` command gives out something sensible (does
-not change things you didn't intend to) and make a pull request. If, in
-doubt, get in touch and we will figure out how to do it right.
+missing glyphs, such as most non-latin alphabets which most likely were
+never built into 3270 terminals), the best workflow would probably be to
+add the encoding slots (if needed), add/make the changes, remove the
+unchanged glyphs and save it as a different file. If, in doubt, get in
+touch and we will figure out how to do it right.
+
+In order to generate the sample image and the grids for FontForge,
+you'll need a Python 3 environment with PIL or pillow installed. The
+requirements.txt file lists everything you need to do it.
 
 Known problems
 --------------
@@ -99,3 +102,20 @@ symbols are at the end of the font, along with some glyphs useful for
 building others.
 
 Please refer to http://x3270.bgp.nu/Charset.html for a complete map.
+
+Future improvements
+-------------------
+
+A grid generator is provided for producing various grid sizes for the
+font. Those grids are not used yet, but they are intended to be used to
+align font features to provide better rendering at common font size
+choices. The captures below exemplify these choices:
+
+![x3270 with 32 pixel font (used as bitmap template for the font)](
+https://raw.githubusercontent.com/wiki/rbanffy/3270font/measurements_x3270_32.png)
+
+![x3270 with 20 pixel font](
+https://raw.githubusercontent.com/wiki/rbanffy/3270font/measurements_x3270_20.png)
+
+![Gnome Terminal on Ubuntu 17.10](
+https://raw.githubusercontent.com/wiki/rbanffy/3270font/measurements_gnome_terminal.png)

app/qml/fonts/iosevka/LICENSE.txt

@@ -0,0 +1,110 @@
+Copyright (c) 2015-2023, Renzhi Li (aka. Belleve Invis, belleve@typeof.net)
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+
+This license is copied below, and is also available with a FAQ at:
+http://scripts.sil.org/OFL
+
+--------------------------
+
+
+SIL Open Font License v1.1
+====================================================
+
+
+Preamble
+----------
+
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded, 
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+
+Definitions
+-------------
+
+`"Font Software"` refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+`"Reserved Font Name"` refers to any names specified as such after the
+copyright statement(s).
+
+`"Original Version"` refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+`"Modified Version"` refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+`"Author"` refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+
+Permission & Conditions
+------------------------
+
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1. Neither the Font Software nor any of its individual components,
+   in Original or Modified Versions, may be sold by itself.
+
+2. Original or Modified Versions of the Font Software may be bundled,
+   redistributed and/or sold with any software, provided that each copy
+   contains the above copyright notice and this license. These can be
+   included either as stand-alone text files, human-readable headers or
+   in the appropriate machine-readable metadata fields within text or
+   binary files as long as those fields can be easily viewed by the user.
+
+3. No Modified Version of the Font Software may use the Reserved Font
+   Name(s) unless explicit written permission is granted by the corresponding
+   Copyright Holder. This restriction only applies to the primary font name as
+   presented to the users.
+
+4. The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+   Software shall not be used to promote, endorse or advertise any
+   Modified Version, except to acknowledge the contribution(s) of the
+   Copyright Holder(s) and the Author(s) or with their explicit written
+   permission.
+
+5. The Font Software, modified or unmodified, in part or in whole,
+   must be distributed entirely under this license, and must not be
+   distributed under any other license. The requirement for fonts to
+   remain under this license does not apply to any document created
+   using the Font Software.
+
+
+
+Termination
+-----------
+
+This license becomes null and void if any of the above conditions are
+not met.
+
+
+    DISCLAIMER
+    
+    THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+    EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+    MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+    OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+    COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+    INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+    DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+    FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+    OTHER DEALINGS IN THE FONT SOFTWARE.

app/qml/fonts/jetbrains-mono/LICENSE.txt

@@ -0,0 +1,93 @@
+Copyright 2020 The JetBrains Mono Project Authors (https://github.com/JetBrains/JetBrainsMono)
+
+This Font Software is licensed under the SIL Open Font License, Version 1.1.
+This license is copied below, and is also available with a FAQ at:
+https://scripts.sil.org/OFL
+
+
+-----------------------------------------------------------
+SIL OPEN FONT LICENSE Version 1.1 - 26 February 2007
+-----------------------------------------------------------
+
+PREAMBLE
+The goals of the Open Font License (OFL) are to stimulate worldwide
+development of collaborative font projects, to support the font creation
+efforts of academic and linguistic communities, and to provide a free and
+open framework in which fonts may be shared and improved in partnership
+with others.
+
+The OFL allows the licensed fonts to be used, studied, modified and
+redistributed freely as long as they are not sold by themselves. The
+fonts, including any derivative works, can be bundled, embedded, 
+redistributed and/or sold with any software provided that any reserved
+names are not used by derivative works. The fonts and derivatives,
+however, cannot be released under any other type of license. The
+requirement for fonts to remain under this license does not apply
+to any document created using the fonts or their derivatives.
+
+DEFINITIONS
+"Font Software" refers to the set of files released by the Copyright
+Holder(s) under this license and clearly marked as such. This may
+include source files, build scripts and documentation.
+
+"Reserved Font Name" refers to any names specified as such after the
+copyright statement(s).
+
+"Original Version" refers to the collection of Font Software components as
+distributed by the Copyright Holder(s).
+
+"Modified Version" refers to any derivative made by adding to, deleting,
+or substituting -- in part or in whole -- any of the components of the
+Original Version, by changing formats or by porting the Font Software to a
+new environment.
+
+"Author" refers to any designer, engineer, programmer, technical
+writer or other person who contributed to the Font Software.
+
+PERMISSION & CONDITIONS
+Permission is hereby granted, free of charge, to any person obtaining
+a copy of the Font Software, to use, study, copy, merge, embed, modify,
+redistribute, and sell modified and unmodified copies of the Font
+Software, subject to the following conditions:
+
+1) Neither the Font Software nor any of its individual components,
+in Original or Modified Versions, may be sold by itself.
+
+2) Original or Modified Versions of the Font Software may be bundled,
+redistributed and/or sold with any software, provided that each copy
+contains the above copyright notice and this license. These can be
+included either as stand-alone text files, human-readable headers or
+in the appropriate machine-readable metadata fields within text or
+binary files as long as those fields can be easily viewed by the user.
+
+3) No Modified Version of the Font Software may use the Reserved Font
+Name(s) unless explicit written permission is granted by the corresponding
+Copyright Holder. This restriction only applies to the primary font name as
+presented to the users.
+
+4) The name(s) of the Copyright Holder(s) or the Author(s) of the Font
+Software shall not be used to promote, endorse or advertise any
+Modified Version, except to acknowledge the contribution(s) of the
+Copyright Holder(s) and the Author(s) or with their explicit written
+permission.
+
+5) The Font Software, modified or unmodified, in part or in whole,
+must be distributed entirely under this license, and must not be
+distributed under any other license. The requirement for fonts to
+remain under this license does not apply to any document created
+using the Font Software.
+
+TERMINATION
+This license becomes null and void if any of the above conditions are
+not met.
+
+DISCLAIMER
+THE FONT SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO ANY WARRANTIES OF
+MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT
+OF COPYRIGHT, PATENT, TRADEMARK, OR OTHER RIGHT. IN NO EVENT SHALL THE
+COPYRIGHT HOLDER BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
+INCLUDING ANY GENERAL, SPECIAL, INDIRECT, INCIDENTAL, OR CONSEQUENTIAL
+DAMAGES, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+FROM, OUT OF THE USE OR INABILITY TO USE THE FONT SOFTWARE OR FROM
+OTHER DEALINGS IN THE FONT SOFTWARE.

app/qml/fonts/modern-monaco/README

@@ -1,13 +0,0 @@
-monaco.ttf
-==========
-
-The original monaco.ttf improved: add some special characters (which are from "DejaVu Sans Mono")
-
-In my work environment, I need connect to Linux system from Windows system remotely using SecureCRT or Putty, and edit files using VIM tools. So I need one beautiful font in SecureCRT / Putty.
-
-In windows system, there are some original fonts are beautiful, for example "Consolas", but they can't support some special characters, for example: ▸, ↪, ⌴. Because they are original fonts in my Windows, I don't want to modify them.
-
-I get "Monaco" from web. It is tiny and beautiful. But it also can't support those special characters.
-
-So I add the characters by myself and share it.
-

app/qml/fonts/modern-pro-font-win-tweaked/Comments for ProFontWindows

@@ -1 +0,0 @@
-dopustz:-480

app/qml/fonts/modern-pro-font-win-tweaked/readme.txt

@@ -1,31 +0,0 @@
-WHAT IS THIS?
-
-This is ProFont TrueType, converted to Windows TrueType format
-by Mike Smith, with some tweaks added by "ardu".
-
-Modifications include:
-- A Euro character
-- Missing characters from the Latin 1 code page
-- Full support for CodePage 850. These are mostly the famous
-  block/box characters you know from DOS. Very useful if you use
-  Mightnight Commander through PuTTY.
-- Fixed metrics so that point size of 9 works correctly. Until now
-  you had to select 7 to obtain the native point size of 9.
-- Added some quick&dirty hinting for point size of 9. Most characters
-  now match closely the look of the bitmap version.
-  Don't expect it to look good on anything else than Windows...
-
-
-
-To get the full original Distribution, other ProFont builds
-and more information
-go to <http://tobiasjung.name/profont/>
-
-
-DISCLAIMER
-See LICENSE file
-
-
-Tobias Jung
-January 2014
-profont@tobiasjung.name

app/qml/fonts/modern-proggy-tiny/Licence.txt

@@ -1,7 +0,0 @@
-Copyright (c) 2004, 2005 Tristan Grimmer
-
-Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
-
-The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software.
-
-THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.