Fix missing key repeats on macos.

Feature/appimage in GitHub actions

.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/appimage.yml

@@ -0,0 +1,98 @@
+name: "ci"
+
+on:
+  push:
+    tags: "**"
+  workflow_dispatch:
+
+defaults:
+  run:
+    shell: bash
+
+jobs:
+  appimage:
+    runs-on: ubuntu-18.04
+
+    steps:
+    - name: Checkout repository
+      uses: actions/checkout@v2
+      with:
+        submodules: true
+
+    - name: Install dependencies
+      run: |
+        sudo add-apt-repository -y ppa:beineri/opt-qt-5.15.2-bionic
+        sudo apt-get update -qq
+        sudo apt-get install -y \
+        build-essential make wget libgl1-mesa-dev \
+        qt515declarative qt515graphicaleffects \
+        qt515quickcontrols qt515quickcontrols2
+
+    - name: Download QT appimage builder
+      run: |
+        wget -c -O linuxdeployqt.AppImage \
+        https://github.com/probonopd/linuxdeployqt/releases/download/continuous/linuxdeployqt-continuous-x86_64.AppImage
+        chmod a+x linuxdeployqt.AppImage
+
+    - name: Build project
+      run: |
+        source /opt/qt*/bin/qt*-env.sh && \
+        qmake -v && \
+        qmake CONFIG+=release PREFIX=/usr && \
+        make -j$(nproc)
+
+    - name: Install to appdir
+      run: |
+        source /opt/qt*/bin/qt*-env.sh && \
+        make INSTALL_ROOT=appdir -j$(nproc) install
+
+    - name: Extract version number
+      run: |
+        # Extract version for linuxdeployqt to name the file. Use the tag as
+        # release name but remove prefix.
+        echo "VERSION=$(echo '${{ github.ref }}' | sed 's;.*/;;')" >> $GITHUB_ENV
+
+    - name: Build appimage directory
+      run: |
+        mkdir -p \
+        appdir/usr/bin \
+        appdir/usr/lib \
+        appdir/usr/share/applications \
+        appdir/usr/share/metainfo \
+        appdir/usr/share/icons/hicolor/128x128/apps
+
+        cp cool-retro-term appdir/usr/bin/
+        cp cool-retro-term.desktop appdir/usr/share/applications/
+        cp packaging/appdata/cool-retro-term.appdata.xml appdir/usr/share/metainfo/
+        cp app/icons/128x128/cool-retro-term.png appdir/usr/share/icons/hicolor/128x128/apps/
+        cp -r ./app/qml appdir/usr/
+        # Workaround for https://github.com/probonopd/linuxdeployqt/issues/78
+        cp -r ./qmltermwidget/QMLTermWidget appdir/usr/qml/
+
+        find appdir | sort
+
+    - name: Build appimage
+      run: |
+        source /opt/qt*/bin/qt*-env.sh && \
+        ./linuxdeployqt.AppImage appdir/usr/share/applications/cool-retro-term.desktop \
+        -verbose=1 -appimage \
+        -qmldir=./app/qml/ \
+        -qmldir=./qmltermwidget/
+      env:
+        # Unset environment variables
+        QTDIR:
+        QT_PLUGIN_PATH:
+        LD_LIBRARY_PATH:
+
+    - name: Upload release
+      uses: softprops/action-gh-release@v1
+      with:
+        body: appimage release
+        files: ./**/Cool_Retro_Term-*-x86_64.AppImage
+
+    - name: Clean up
+      if: always()
+      run: |
+        find appdir -executable -type f -exec ldd {} \; | grep " => /usr" | cut -d " " -f 2-3 | sort | uniq
+        make clean
+        rm -rf appdir

.gitignore

@@ -43,6 +43,7 @@ Makefile*
 # Excludes compiled files
 imports
 cool-retro-term
+build
 
 # Mac OSX
 

README.md

@@ -8,9 +8,9 @@
 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 macOS and requires Qt 5.2 or higher.
+This terminal emulator works under Linux and macOS and requires Qt5. It's suggested that you stick to the latest LTS version.
 
 Settings such as colors, fonts, and effects can be accessed via context menu.
 
@@ -20,192 +20,11 @@ Settings such as colors, fonts, and effects can be accessed via context menu.
 ![Image](<https://i.imgur.com/GYRDPzJ.jpg>)
 
 ## Install
-Walk the easy way and install cool-retro-term using one of these convenient packages:
 
-Just grab the latest AppImage from the release page and make it executable and run it:
+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).
 
-    wget https://github.com/Swordfish90/cool-retro-term/releases/download/1.1.1/Cool-Retro-Term-1.1.1-x86_64.AppImage
+Alternatively, most distributions such as Ubuntu, Fedora or Arch already package cool-retro-term in their official repositories.
-    chmod a+x Cool-Retro-Term-1.1.1-x86_64.AppImage
-    ./Cool-Retro-Term-1.1.1-x86_64.AppImage
 
-**Fedora** has the `cool-retro-term` in the official repositories. All you have to do is `sudo dnf install cool-retro-term`.
+## Building
 
-Users of **openSUSE** can grab a package from [Open Build Service](http://software.opensuse.org/package/cool-retro-term).
+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)).
-
-**Arch** users can install this [package](https://aur.archlinux.org/packages/cool-retro-term-git/) directly via the [AUR](https://aur.archlinux.org):
-
-    trizen -S aur/cool-retro-term-git
-
-or use:
-
-    pacman -S cool-retro-term
-
-to install precompiled from community repository.
-
-Users of **Ubuntu 14.04 LTS (Trusty) up to 15.10 (Wily)** can use [this PPA](https://launchpad.net/~bugs-launchpad-net-falkensweb).
-
-**Ubuntu 17.10** can use [this PPA](https://launchpad.net/%7Evantuz/+archive/ubuntu/cool-retro-term)
-
-**Solus** users can install using `eopg`:
-```
-eopkg it cool-retro-term
-```
-
-**macOS** users can grab the latest dmg from the [release page](https://github.com/Swordfish90/cool-retro-term/releases) or install via Homebrew:
-```
-brew cask install cool-retro-term
-```
-
-**FreeBSD** users can install cool-retro-term with `pkg`:
-
-    pkg install cool-retro-term
-    
-## Build instructions (FreeBSD)
-
-Grab a copy of [the FreeBSD Ports Collection](https://www.freebsd.org/doc/en_US.ISO8859-1/books/handbook/ports-using.html), modify [`/usr/ports/x11/cool-retro-term/Makefile`](https://svnweb.freebsd.org/ports/head/x11/cool-retro-term/Makefile?view=markup) as you like, and then run `make install` to build and install the emulator:
-
-```
-cd /usr/ports/x11/cool-retro-term
-make install
-```
-
-## Build instructions (Linux)
-
-Build cool-retro-term yourself, you know, the retro way.
-
-## 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 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
-
----
-
-**Ubuntu 17.10**
-
-    sudo apt-get install build-essential qml-module-qtgraphicaleffects 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
-
----
-
-**snapcraft (most of distros)**
-
-    sudo snap install cool-retro-term --classic
-
----
-
-**Debian Jessie and above**
-
-    sudo apt 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 qml-module-qt-labs-settings qml-module-qt-labs-folderlistmodel
-
----
-
-**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/:$PATH
----
-
-### Compile
-Once you installed all dependencies (Qt is installed and in your path) you need to compile and run the application: 
-
-```bash
-# Get it from GitHub
-git clone --recursive https://github.com/Swordfish90/cool-retro-term.git
-
-# Build it
-cd cool-retro-term
-
-# Compile (Fedora and OpenSUSE user should use qmake-qt5 instead of qmake)
-qmake && make
-
-# Have fun!
-./cool-retro-term
-```
-
-## Build instructions (macOS)
-
-1. Install [Xcode](https://developer.apple.com/xcode/) and agree to the licence agreement
-2. Enter the following commands into the terminal:
-
-**Brew**
-
-```sh
-brew install qt5
-git clone --recursive https://github.com/Swordfish90/cool-retro-term.git
-export CPPFLAGS="-I/usr/local/opt/qt5/include"
-export LDFLAGS="-L/usr/local/opt/qt5/lib"
-export PATH=/usr/local/opt/qt5/bin:$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
-```
-
-**Homebrew**
-
-```sh
-brew cask install cool-retro-term
-```
-
-## 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.

app/app.pro

@@ -1,4 +1,4 @@
-QT += qml quick widgets sql
+QT += qml quick widgets sql quickcontrols2
 TARGET = cool-retro-term 
 
 DESTDIR = $$OUT_PWD/../
@@ -15,6 +15,23 @@ 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($$SHADERS_DIR/*.vert)
+
+qsb.input = SHADERS
+qsb.output = ../../app/shaders/${QMAKE_FILE_NAME}.qsb
+qsb.commands = $$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
+
 #########################################
 ##              INTALLS
 #########################################

app/main.cpp

@@ -6,15 +6,21 @@
 
 #include <QtWidgets/QApplication>
 #include <QIcon>
+#include <QQuickStyle>
 
 #include <QDebug>
 #include <stdlib.h>
 
 #include <QFontDatabase>
+#include <QLoggingCategory>
 
 #include <fileio.h>
 #include <monospacefontmanager.h>
 
+#if defined(Q_OS_MAC)
+#include <CoreFoundation/CoreFoundation.h>
+#endif
+
 QString getNamedArgument(QStringList args, QString name, QString defaultName)
 {
     int index = args.indexOf(name);
@@ -29,45 +35,50 @@ 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");
 
-    // This disables QT appmenu under Ubuntu, which is not working with QML apps.
+    // TODO FILIPPO... This should not be hardcoded but handled as a fallback of sort!
-    setenv("QT_QPA_PLATFORMTHEME", "", 1);
+    QQuickStyle::setStyle("Material");
+    QGuiApplication::setHighDpiScaleFactorRoundingPolicy(Qt::HighDpiScaleFactorRoundingPolicy::Round);
 
-#if defined (Q_OS_LINUX)
+// #if defined (Q_OS_LINUX)
-    setenv("QSG_RENDER_LOOP", "threaded", 0);
+//     setenv("QSG_RENDER_LOOP", "threaded", 0);
-#endif
+// #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);
 #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]" << endl;
+        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" << endl;
+        cout << "  --default-settings  Run cool-retro-term with the default settings" << Qt::endl;
-        cout << "  --workdir <dir>     Change working directory to 'dir'" << 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." << endl;
+        cout << "  -e <cmd>            Command to execute. This option will catch all following arguments, so use it as the last option." << Qt::endl;
-        cout << "  -T <title>          Set window title to 'title'." << endl;
+        cout << "  -T <title>          Set window title to 'title'." << Qt::endl;
-        cout << "  --fullscreen        Run cool-retro-term in fullscreen." << endl;
+        cout << "  --fullscreen        Run cool-retro-term in fullscreen." << Qt::endl;
-        cout << "  -p|--profile <prof> Run cool-retro-term with the given profile." << endl;
+        cout << "  -p|--profile <prof> Run cool-retro-term with the given profile." << Qt::endl;
-        cout << "  -h|--help           Print this help." << endl;
+        cout << "  -h|--help           Print this help." << Qt::endl;
-        cout << "  --verbose           Print additional information such as profiles and settings." << endl;
+        cout << "  --verbose           Print additional information such as profiles and settings." << Qt::endl;
         return 0;
     }
 
-    QString appVersion("1.1.1");
+    QString appVersion("1.2.0");
 
     if (argc>1 && (!strcmp(argv[1],"-v") || !strcmp(argv[1],"--version"))) {
         QTextStream cout(stdout, QIODevice::WriteOnly);
-        cout << "cool-retro-term " << appVersion << endl;
+        cout << "cool-retro-term " << appVersion << Qt::endl;
-	return 0;
+        return 0;
     }
 
     QApplication app(argc, argv);
-    // set application attributes
+    app.setAttribute(Qt::AA_MacDontSwapCtrlAndMeta, true);
-    // Has no effects, see https://bugreports.qt.io/browse/QTBUG-51293
-    // app.setAttribute(Qt::AA_MacDontSwapCtrlAndMeta, true);
 
     QQmlApplicationEngine engine;
     FileIO fileIO;

app/qml/ApplicationSettings.qml

@@ -31,8 +31,10 @@ QtObject {
     readonly property real minimumFontScaling: 0.25
     readonly property real maximumFontScaling: 2.50
 
-    readonly property real minBurnInFadeTime: 160
+    readonly property real minBurnInFadeTime: 0.16
-    readonly property real maxBurnInFadeTime: 1600
+    readonly property real maxBurnInFadeTime: 1.6
+
+    property bool isMacOS: Qt.platform.os === "osx"
 
     // GENERAL SETTINGS ///////////////////////////////////////////////////////
     property int x: 100
@@ -41,20 +43,18 @@ QtObject {
     property int height: 768
 
     property bool fullscreen: false
-    property bool showMenubar: Qt.platform.os === "osx" ? true : false
+    property bool showMenubar: false
 
     property string wintitle: "cool-retro-term"
 
     property bool showTerminalSize: true
     property real windowScaling: 1.0
 
-    property real fps: 20
+    property int effectsFrameSkip: 2
     property bool verbose: false
 
     property real bloomQuality: 0.5
-
     property real burnInQuality: 0.5
-    property bool useFastBurnIn: Qt.platform.os === "osx" ? false : true
 
     property bool blinkingCursor: false
 
@@ -99,11 +99,17 @@ QtObject {
     property real rbgShift: 0.0
 
     property real _margin: 0.5
+    property real _frameMargin: 0.5
+
     property real margin: Utils.lint(1.0, 20.0, _margin)
+    property real frameMargin: Utils.lint(1.0, 50.0, _frameMargin)
+
+    property real totalMargin: frameMargin + margin
 
     readonly property int no_rasterization: 0
     readonly property int scanline_rasterization: 1
     readonly property int pixel_rasterization: 2
+    readonly property int subpixel_rasterization: 3
 
     property int rasterization: no_rasterization
 
@@ -145,6 +151,13 @@ QtObject {
                     target: fontManager
                     source: "FontPixels.qml"
                 }
+            },
+            State {
+                when: rasterization == subpixel_rasterization
+                PropertyChanges {
+                    target: fontManager
+                    source: "FontPixels.qml"
+                }
             }
         ]
 
@@ -216,7 +229,7 @@ QtObject {
 
     function composeSettingsString() {
         var settings = {
-            "fps": fps,
+            "effectsFrameSkip": effectsFrameSkip,
             "x": x,
             "y": y,
             "width": width,
@@ -229,9 +242,7 @@ QtObject {
             "bloomQuality": bloomQuality,
             "burnInQuality": burnInQuality,
             "useCustomCommand": useCustomCommand,
-            "customCommand": customCommand,
+            "customCommand": customCommand
-            "useFastBurnIn": useFastBurnIn,
-            "blinkingCursor": blinkingCursor
         }
         return stringify(settings)
     }
@@ -258,7 +269,9 @@ QtObject {
             "windowOpacity": windowOpacity,
             "fontName": fontNames[rasterization],
             "fontWidth": fontWidth,
-            "margin": _margin
+            "margin": _margin,
+            "blinkingCursor": blinkingCursor,
+            "frameMargin": _frameMargin,
         }
         return settings
     }
@@ -302,7 +315,7 @@ QtObject {
         showTerminalSize = settings.showTerminalSize
                 !== undefined ? settings.showTerminalSize : showTerminalSize
 
-        fps = settings.fps !== undefined ? settings.fps : fps
+        effectsFrameSkip = settings.effectsFrameSkip !== undefined ? settings.effectsFrameSkip : effectsFrameSkip
         windowScaling = settings.windowScaling
                 !== undefined ? settings.windowScaling : windowScaling
 
@@ -324,12 +337,6 @@ QtObject {
                 !== undefined ? settings.useCustomCommand : useCustomCommand
         customCommand = settings.customCommand
                 !== undefined ? settings.customCommand : customCommand
-
-        useFastBurnIn = settings.useFastBurnIn
-                !== undefined ? settings.useFastBurnIn : useFastBurnIn
-
-        blinkingCursor = settings.blinkingCursor
-                !== undefined ? settings.blinkingCursor : blinkingCursor
     }
 
     function loadProfileString(profileString) {
@@ -371,6 +378,9 @@ QtObject {
         fontWidth = settings.fontWidth !== undefined ? settings.fontWidth : fontWidth
 
         _margin = settings.margin !== undefined ? settings.margin : _margin
+        _frameMargin = settings.frameMargin !== undefined ? settings.frameMargin : _frameMargin
+
+        blinkingCursor = settings.blinkingCursor !== undefined ? settings.blinkingCursor : blinkingCursor
 
         handleFontChanged()
     }
@@ -451,7 +461,9 @@ QtObject {
                 "screenCurvature": 0.3,
                 "staticNoise": 0.1198,
                 "windowOpacity": 1,
-                "margin": 0.5
+                "margin": 0.5,
+                "blinkingCursor": false,
+                "frameMargin": 0.1
             }'
             builtin: true
         }
@@ -478,7 +490,9 @@ QtObject {
                 "screenCurvature": 0.3,
                 "staticNoise": 0.1198,
                 "windowOpacity": 1,
-                "margin": 0.5
+                "margin": 0.5,
+                "blinkingCursor": false,
+                "frameMargin": 0.1
             }'
             builtin: true
         }
@@ -505,7 +519,9 @@ QtObject {
                 "screenCurvature": 0.3,
                 "staticNoise": 0.15,
                 "windowOpacity": 1,
-                "margin": 0.5
+                "margin": 0.5,
+                "blinkingCursor": false,
+                "frameMargin": 0.1
             }'
             builtin: true
         }
@@ -532,7 +548,9 @@ QtObject {
                 "screenCurvature": 0,
                 "staticNoise": 0.15,
                 "windowOpacity": 1,
-                "margin": 0.5
+                "margin": 0.5,
+                "blinkingCursor": false,
+                "frameMargin": 0.1
             }'
             builtin: true
         }
@@ -559,7 +577,9 @@ QtObject {
                 "screenCurvature": 0.5,
                 "staticNoise": 0.099,
                 "windowOpacity": 1,
-                "margin": 0.5
+                "margin": 0.5,
+                "blinkingCursor": false,
+                "frameMargin": 0.2
             }'
             builtin: true
         }
@@ -586,7 +606,9 @@ QtObject {
                 "screenCurvature": 0.5,
                 "staticNoise": 0.2969,
                 "windowOpacity": 1,
-                "margin": 0.5
+                "margin": 0.5,
+                "blinkingCursor": false,
+                "frameMargin": 0.5
             }'
             builtin: true
         }
@@ -613,7 +635,9 @@ QtObject {
                 "screenCurvature": 0.4,
                 "staticNoise": 0.0503,
                 "windowOpacity": 1,
-                "margin": 0.5
+                "margin": 0.5,
+                "blinkingCursor": false,
+                "frameMargin": 0.2
             }'
             builtin: true
         }
@@ -640,7 +664,9 @@ QtObject {
                 "screenCurvature": 0.2,
                 "staticNoise": 0,
                 "windowOpacity": 1,
-                "margin": 0.5
+                "margin": 0.5,
+                "blinkingCursor": false,
+                "frameMargin": 0.1
             }'
             builtin: true
         }
@@ -667,7 +693,9 @@ QtObject {
                 "screenCurvature": 0,
                 "staticNoise": 0.0955,
                 "windowOpacity": 0.7,
-                "margin": 0.1
+                "margin": 0.1,
+                "blinkingCursor": false,
+                "frameMargin": 0
             }'
             builtin: true
         }

app/qml/BurnInEffect.qml

@@ -29,26 +29,29 @@ Loader {
     property real lastUpdate: 0
     property real prevLastUpdate: 0
 
-    property real delay: (1.0 / appSettings.fps) * 1000
     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.useFastBurnIn && appSettings.burnIn !== 0
+    active: appSettings.burnIn !== 0
 
     anchors.fill: parent
 
     function completelyUpdate() {
-        prevLastUpdate = lastUpdate;
+        let newTime = timeManager.time
-        lastUpdate = timeManager.time;
+        if (newTime > lastUpdate) {
-        item.source.scheduleUpdate();
+            prevLastUpdate = lastUpdate
+            lastUpdate = newTime
+        }
+
+        item.source.scheduleUpdate()
     }
 
-    function restartBlurSource(){
+    function restartBlurSource() {
-        prevLastUpdate = timeManager.time;
+        prevLastUpdate = timeManager.time
-        lastUpdate = prevLastUpdate;
+        lastUpdate = prevLastUpdate
-        completelyUpdate();
+        completelyUpdate()
     }
 
     sourceComponent: Item {
@@ -72,20 +75,30 @@ Loader {
 
             Connections {
                 target: kterminal
-                onImagePainted: completelyUpdate()
+
+                onImagePainted: {
+                    completelyUpdate()
+                }
             }
             // Restart blurred source settings change.
-            Connections{
-                target: appSettings
-                onBurnInChanged: burnInEffect.restartBlurSource();
-                onTerminalFontChanged: burnInEffect.restartBlurSource();
-                onRasterizationChanged: burnInEffect.restartBlurSource();
-                onBurnInQualityChanged: burnInEffect.restartBlurSource();
-            }
-
             Connections {
-                target: kterminalScrollbar
+                target: appSettings
-                onOpacityChanged: completelyUpdate()
+
+                onBurnInChanged: {
+                    burnInEffect.restartBlurSource()
+                }
+
+                onTerminalFontChanged: {
+                    burnInEffect.restartBlurSource()
+                }
+
+                onRasterizationChanged: {
+                    burnInEffect.restartBlurSource()
+                }
+
+                onBurnInQualityChanged: {
+                    burnInEffect.restartBlurSource()
+                }
             }
         }
 
@@ -95,50 +108,44 @@ Loader {
             property variant txt_source: kterminalSource
             property variant burnInSource: burnInEffectSource
             property real burnInTime: burnInFadeTime
-            property real lastUpdate: burnInEffect.lastUpdate
+            property real burnInLastUpdate: burnInEffect.lastUpdate
             property real prevLastUpdate: burnInEffect.prevLastUpdate
 
             anchors.fill: parent
             blending: false
 
-            fragmentShader:
+            // Extra uniforms required by shared block
-                "#ifdef GL_ES
+            property real qt_Opacity: 1.0
-                        precision mediump float;
+            property real time: timeManager.time
-                    #endif\n" +
+            property color fontColor: appSettings.fontColor
+            property color backgroundColor: appSettings.backgroundColor
+            property real shadowLength: 0
+            property size virtualResolution: Qt.size(width, height)
+            property real rasterizationIntensity: 0
+            property int rasterizationMode: 0
+            property real burnIn: appSettings.burnIn
+            property real staticNoise: 0
+            property real screenCurvature: 0
+            property real glowingLine: 0
+            property real chromaColor: 0
+            property size jitterDisplacement: Qt.size(0, 0)
+            property real ambientLight: 0
+            property real jitter: 0
+            property real horizontalSync: 0
+            property real horizontalSyncStrength: 0
+            property real flickering: 0
+            property real displayTerminalFrame: 0
+            property size scaleNoiseSize: Qt.size(0, 0)
+            property real screen_brightness: 1.0
+            property real bloom: 0
+            property real rbgShift: 0
+            property real screenShadowCoeff: 0
+            property real frameShadowCoeff: 0
+            property color frameColor: backgroundColor
+            property size margin: Qt.size(0, 0)
 
-                "uniform lowp float qt_Opacity;" +
+            fragmentShader: "qrc:/shaders/burn_in.frag.qsb"
-                "uniform lowp sampler2D txt_source;" +
+            vertexShader: "qrc:/shaders/passthrough.vert.qsb"
-
-                "varying highp vec2 qt_TexCoord0;
-
-                 uniform lowp sampler2D burnInSource;
-                 uniform highp float burnInTime;
-
-                 uniform highp float lastUpdate;
-
-                 uniform highp float prevLastUpdate;" +
-
-                "float rgb2grey(vec3 v){
-                    return dot(v, vec3(0.21, 0.72, 0.04));
-                }" +
-
-                "void main() {
-                    vec2 coords = qt_TexCoord0;
-
-                    vec3 txtColor = texture2D(txt_source, coords).rgb;
-                    vec4 accColor = texture2D(burnInSource, coords);
-
-                    float prevMask = accColor.a;
-                    float currMask = rgb2grey(txtColor);
-
-                    highp float blurDecay = clamp((lastUpdate - prevLastUpdate) * burnInTime, 0.0, 1.0);
-                    blurDecay = max(0.0, blurDecay - prevMask);
-                    vec3 blurColor = accColor.rgb - vec3(blurDecay);
-                    vec3 color = max(blurColor, txtColor);
-
-                    gl_FragColor = vec4(color, currMask);
-                }
-            "
 
             onStatusChanged: if (log) console.log(log) //Print warning messages
         }

app/qml/ColorButton.qml

@@ -18,7 +18,7 @@
 * 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
@@ -31,13 +31,13 @@ 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.
+        onSelectedColorChanged: {
-        onColorChanged: if (Qt.platform.os !== "osx")
+            if (!appSettings.isMacOS && visible)
-                            colorSelected(color)
+                colorSelected(selectedColor)
-        onAccepted: if (Qt.platform.os === "osx")
+        }
-                        colorSelected(color)
+        onAccepted: colorSelected(selectedColor)
     }
     Rectangle {
         anchors.fill: parent
@@ -59,6 +59,6 @@ Item {
     }
     MouseArea {
         anchors.fill: parent
-        onClicked: colorDialog.visible = true
+        onClicked: colorDialog.open()
     }
 }

app/qml/Fonts.qml

@@ -213,7 +213,7 @@ QtObject {
         ListElement {
             name: "IBM_3278"
             text: "HD: IBM 3278 (1971)"
-            source: "fonts/1971-ibm-3278/3270Medium.ttf"
+            source: "fonts/1971-ibm-3278/3270-Regular.ttf"
             lineSpacing: 0.2
             pixelSize: 32
             fontWidth: 1.0

app/qml/InsertNameDialog.qml

@@ -21,7 +21,7 @@ import QtQuick 2.2
 import QtQuick.Window 2.0
 import QtQuick.Controls 2.0
 import QtQuick.Layouts 1.1
-import QtQuick.Dialogs 1.1
+import QtQuick.Dialogs
 
 Window {
     id: insertnamedialog

app/qml/NewTerminalFrame.qml

@@ -1,97 +0,0 @@
-/*******************************************************************************
-* 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: "#ffffff"
-    property color _backgroundColor: appSettings.backgroundColor
-    property color _fontColor: appSettings.fontColor
-    property color _lightColor: Utils.mix(_fontColor, _backgroundColor, 0.2)
-    property real _ambientLight: Utils.lint(0.2, 0.8, appSettings.ambientLight)
-
-    property color frameColor: Utils.mix(_staticFrameColor, _lightColor, _ambientLight)
-    property real screenCurvature: appSettings.screenCurvature * appSettings.screenCurvatureSize
-    property real shadowLength: 0.5 * screenCurvature * Utils.lint(0.50, 1.5, _ambientLight)
-
-    property size aadelta: Qt.size(1.0 / width, 1.0 / height)
-
-    fragmentShader: "
-        #ifdef GL_ES
-            precision mediump float;
-        #endif
-
-        uniform lowp float screenCurvature;
-        uniform lowp float shadowLength;
-        uniform highp float qt_Opacity;
-        uniform lowp vec4 frameColor;
-        uniform mediump vec2 aadelta;
-
-        varying highp vec2 qt_TexCoord0;
-
-        vec2 distortCoordinates(vec2 coords){
-            vec2 cc = (coords - vec2(0.5));
-            float dist = dot(cc, cc) * screenCurvature;
-            return (coords + cc * (1.0 + dist) * dist);
-        }
-
-        float max2(vec2 v) {
-            return max(v.x, v.y);
-        }
-
-        float min2(vec2 v) {
-            return min(v.x, v.y);
-        }
-
-        float prod2(vec2 v) {
-            return v.x * v.y;
-        }
-
-        float sum2(vec2 v) {
-            return v.x + v.y;
-        }
-
-        void main(){
-            vec2 staticCoords = qt_TexCoord0;
-            vec2 coords = distortCoordinates(staticCoords);
-
-            vec3 color = vec3(0.0);
-            float alpha = 0.0;
-
-            float outShadowLength = shadowLength;
-            float inShadowLength = shadowLength * 0.5;
-
-            float outShadow = max2(1.0 - smoothstep(vec2(-outShadowLength), vec2(0.0), coords) + smoothstep(vec2(1.0), vec2(1.0 + outShadowLength), coords));
-            outShadow = clamp(sqrt(outShadow), 0.0, 1.0);
-            color += frameColor.rgb * outShadow;
-            alpha = sum2(1.0 - smoothstep(vec2(0.0), aadelta, coords) + smoothstep(vec2(1.0) - aadelta, vec2(1.0), coords));
-            alpha = clamp(alpha, 0.0, 1.0) * mix(1.0, 0.9, outShadow);
-
-            float inShadow = 1.0 - prod2(smoothstep(0.0, inShadowLength, coords) - smoothstep(1.0 - inShadowLength, 1.0, coords));
-            inShadow = 0.5 * inShadow * inShadow;
-            alpha = max(alpha, inShadow);
-
-            gl_FragColor = vec4(color * alpha, alpha);
-        }
-    "
-
-    onStatusChanged: if (log) console.log(log) //Print warning messages
-}

app/qml/PreprocessedTerminal.qml

@@ -34,7 +34,6 @@ Item{
 
     property ShaderEffectSource mainSource: kterminalSource
     property BurnInEffect burnInEffect: burnInEffect
-    property SlowBurnIn slowBurnInEffect: slowBurnInEffect
     property real fontWidth: 1.0
     property real screenScaling: 1.0
     property real scaleTexture: 1.0
@@ -45,35 +44,61 @@ Item{
     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()
+        }
+
+        onFontWidthChanged: {
+            terminalContainer.updateSources()
+        }
     }
-    Connections{
+    Connections {
         target: terminalContainer
-        onWidthChanged: terminalContainer.updateSources();
+
-        onHeightChanged: terminalContainer.updateSources();
+        onWidthChanged: {
+            terminalContainer.updateSources()
+        }
+
+        onHeightChanged: {
+            terminalContainer.updateSources()
+        }
     }
+    Connections {
+        target: terminalWindow
+
+        onActiveChanged: {
+            kterminal.forceActiveFocus()
+        }
+    }
+
     function updateSources() {
-        kterminal.update();
+        kterminal.update()
     }
 
     QMLTermWidget {
         id: kterminal
 
         property int textureResolutionScale: appSettings.lowResolutionFont ? devicePixelRatio : 1
-        property int margin: appSettings.margin / screenScaling
+        property int margin: appSettings.totalMargin / screenScaling
         property int totalWidth: Math.floor(parent.width / (screenScaling * fontWidth))
         property int totalHeight: Math.floor(parent.height / screenScaling)
 
@@ -143,7 +168,7 @@ 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"]);
             }
@@ -173,41 +198,41 @@ Item{
 
     Loader {
         id: menuLoader
-        sourceComponent: (Qt.platform.os === "osx" || appSettings.showMenubar ? shortContextMenu : fullContextMenu)
+        sourceComponent: (appSettings.isMacOS || appSettings.showMenubar ? shortContextMenu : fullContextMenu)
     }
     property alias contextmenu: menuLoader.item
 
-    MouseArea{
+    MouseArea {
-        property real margin: appSettings.margin
+        property real margin: appSettings.totalMargin
 
         acceptedButtons: Qt.LeftButton | Qt.MiddleButton | Qt.RightButton
         anchors.fill: parent
         cursorShape: kterminal.terminalUsesMouse ? Qt.ArrowCursor : Qt.IBeamCursor
-        onWheel:{
+        onWheel: function(wheel) {
-            if(wheel.modifiers & Qt.ControlModifier){
+            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: {
+        onPressed: function(mouse) {
-            if((!kterminal.terminalUsesMouse || mouse.modifiers & Qt.ShiftModifier) && mouse.button == Qt.RightButton) {
+            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);
         }
@@ -219,8 +244,8 @@ Item{
             var cc = Qt.size(0.5 - x, 0.5 - y);
             var distortion = (cc.height * cc.height + cc.width * cc.width) * appSettings.screenCurvature * appSettings.screenCurvatureSize;
 
-            return Qt.point((x - cc.width  * (1+distortion) * distortion) * kterminal.totalWidth,
+            return Qt.point((x - cc.width  * (1+distortion) * distortion) * (kterminal.totalWidth),
-                           (y - cc.height * (1+distortion) * distortion) * kterminal.totalHeight)
+                           (y - cc.height * (1+distortion) * distortion) * (kterminal.totalHeight))
         }
     }
     ShaderEffectSource{
@@ -250,9 +275,5 @@ Item{
         BurnInEffect {
             id: burnInEffect
         }
-
-        SlowBurnIn {
-            id: slowBurnInEffect
-        }
     }
 }

app/qml/SettingsAdvancedTab.qml

@@ -73,24 +73,17 @@ ColumnLayout {
             Slider {
                 Layout.fillWidth: true
                 Layout.columnSpan: 2
-                id: fpsSlider
+                id: effectsFpsSlider
-                onValueChanged: {
+                onValueChanged: appSettings.effectsFrameSkip = Math.round(value)
-                    if (enabled) {
-                        appSettings.fps = value !== 60 ? value + 1 : 0
-                    }
-                }
                 stepSize: 1
-                enabled: false
+                enabled: true
-                Component.onCompleted: {
+                from: 5
-                    from = 0
+                to: 1
-                    to = 60
+                value: appSettings.effectsFrameSkip
-                    value = appSettings.fps !== 0 ? appSettings.fps - 1 : 60
-                    enabled = true
-                }
             }
 
-            Label {
+            SizedLabel {
-                text: appSettings.fps !== 0 ? appSettings.fps : qsTr("Max")
+                text: Math.round(100 / Math.max(1, Math.round(effectsFpsSlider.value))) + "%"
             }
             Label {
                 text: qsTr("Texture Quality")
@@ -99,17 +92,13 @@ ColumnLayout {
                 id: txtslider
                 Layout.fillWidth: true
                 Layout.columnSpan: 2
-                onValueChanged: if (enabled)
+                onValueChanged: appSettings.windowScaling = value
-                                    appSettings.windowScaling = value
                 stepSize: 0.05
-                enabled: false
+                enabled: true
-                Component.onCompleted: {
+                from: 0.25
-                    from = 0.25 //Without this value gets set to 0.5
+                value: appSettings.windowScaling
-                    value = appSettings.windowScaling
-                    enabled = true
-                }
             }
-            Label {
+            SizedLabel {
                 text: Math.round(txtslider.value * 100) + "%"
             }
 
@@ -120,17 +109,13 @@ ColumnLayout {
                 Layout.fillWidth: true
                 Layout.columnSpan: 2
                 id: bloomSlider
-                onValueChanged: if (enabled)
+                onValueChanged: appSettings.bloomQuality = value
-                                    appSettings.bloomQuality = value
                 stepSize: 0.05
-                enabled: false
+                enabled: true
-                Component.onCompleted: {
+                from: 0.25
-                    from = 0.25
+                value: appSettings.bloomQuality
-                    value = appSettings.bloomQuality
-                    enabled = true
-                }
             }
-            Label {
+            SizedLabel {
                 text: Math.round(bloomSlider.value * 100) + "%"
             }
 
@@ -141,25 +126,15 @@ ColumnLayout {
                 Layout.fillWidth: true
                 id: burnInSlider
                 Layout.columnSpan: 2
-                onValueChanged: if (enabled)
+                onValueChanged: appSettings.burnInQuality = value
-                                    appSettings.burnInQuality = value
                 stepSize: 0.05
-                enabled: false
+                enabled: true
-                Component.onCompleted: {
+                from: 0.25
-                    from = 0.25
+                value: appSettings.burnInQuality
-                    value = appSettings.burnInQuality
-                    enabled = true
-                }
             }
-            Label {
+            SizedLabel {
                 text: Math.round(burnInSlider.value * 100) + "%"
             }
-            CheckBox {
-                Layout.columnSpan: 2
-                text: qsTr("Burnin optimization (Might display timing artifacts)")
-                checked: appSettings.useFastBurnIn
-                onCheckedChanged: appSettings.useFastBurnIn = checked
-            }
         }
     }
 }

app/qml/SettingsEffectsTab.qml

@@ -33,53 +33,53 @@ ColumnLayout {
 
             CheckableSlider {
                 name: qsTr("Bloom")
-                onNewValue: appSettings.bloom = newValue
+                onNewValue: function(newValue) { appSettings.bloom = newValue }
                 value: appSettings.bloom
             }
             CheckableSlider {
                 name: qsTr("BurnIn")
-                onNewValue: appSettings.burnIn = newValue
+                onNewValue: function(newValue) { appSettings.burnIn = newValue }
                 value: appSettings.burnIn
             }
             CheckableSlider {
                 name: qsTr("Static Noise")
-                onNewValue: appSettings.staticNoise = newValue
+                onNewValue: function(newValue) { appSettings.staticNoise = newValue }
                 value: appSettings.staticNoise
             }
             CheckableSlider {
                 name: qsTr("Jitter")
-                onNewValue: appSettings.jitter = newValue
+                onNewValue: function(newValue) { appSettings.jitter = newValue }
                 value: appSettings.jitter
             }
             CheckableSlider {
                 name: qsTr("Glow Line")
-                onNewValue: appSettings.glowingLine = newValue
+                onNewValue: function(newValue) { appSettings.glowingLine = newValue }
                 value: appSettings.glowingLine
             }
             CheckableSlider {
                 name: qsTr("Screen Curvature")
-                onNewValue: appSettings.screenCurvature = newValue
+                onNewValue: function(newValue) { appSettings.screenCurvature = newValue }
                 value: appSettings.screenCurvature
             }
             CheckableSlider {
                 name: qsTr("Ambient Light")
-                onNewValue: appSettings.ambientLight = newValue
+                onNewValue: function(newValue) { appSettings.ambientLight = newValue }
                 value: appSettings.ambientLight
                 enabled: appSettings.framesIndex !== 0
             }
             CheckableSlider {
                 name: qsTr("Flickering")
-                onNewValue: appSettings.flickering = newValue
+                onNewValue: function(newValue) { appSettings.flickering = newValue }
                 value: appSettings.flickering
             }
             CheckableSlider {
                 name: qsTr("Horizontal Sync")
-                onNewValue: appSettings.horizontalSync = newValue
+                onNewValue: function(newValue) { appSettings.horizontalSync = newValue }
                 value: appSettings.horizontalSync
             }
             CheckableSlider {
                 name: qsTr("RGB Shift")
-                onNewValue: appSettings.rbgShift = newValue
+                onNewValue: function(newValue) { appSettings.rbgShift = newValue }
                 value: appSettings.rbgShift
             }
         }

app/qml/SettingsGeneralTab.qml

@@ -20,7 +20,7 @@
 import QtQuick 2.2
 import QtQuick.Controls 2.4
 import QtQuick.Layouts 1.1
-import QtQuick.Dialogs 1.1
+import QtQuick.Dialogs
 
 ColumnLayout {
     GroupBox {
@@ -33,6 +33,7 @@ ColumnLayout {
                 Layout.fillWidth: true
                 Layout.fillHeight: true
                 model: appSettings.profilesList
+                clip: true
                 delegate: Rectangle {
                     width: label.width
                     height: label.height
@@ -206,12 +207,21 @@ ColumnLayout {
                 onValueChanged: appSettings._margin = value
                 value: appSettings._margin
             }
+            Label {
+                text: qsTr("Frame size")
+            }
+            SimpleSlider {
+                onValueChanged: appSettings._frameMargin = value
+                value: appSettings._frameMargin
+            }
             Label {
                 text: qsTr("Opacity")
+                visible: !appSettings.isMacOS
             }
             SimpleSlider {
                 onValueChanged: appSettings.windowOpacity = value
                 value: appSettings.windowOpacity
+                visible: !appSettings.isMacOS
             }
         }
     }
@@ -227,6 +237,7 @@ ColumnLayout {
     MessageDialog {
         id: messageDialog
         title: qsTr("File Error")
+        buttons: MessageDialog.Ok
         onAccepted: {
             messageDialog.close()
         }
@@ -238,10 +249,8 @@ ColumnLayout {
 
         sourceComponent: FileDialog {
             nameFilters: ["Json files (*.json)"]
-            selectMultiple: false
+            fileMode: fileDialog.selectExisting ? FileDialog.OpenFile : FileDialog.SaveFile
-            selectFolder: false
+            onAccepted: callBack(selectedFile)
-            selectExisting: fileDialog.selectExisting
-            onAccepted: callBack(fileUrl)
         }
 
         onSelectExistingChanged: reload()

app/qml/SettingsTerminalTab.qml

@@ -41,7 +41,7 @@ ColumnLayout {
                 property string selectedElement: model[currentIndex]
 
                 Layout.fillWidth: true
-                model: [qsTr("Default"), qsTr("Scanlines"), qsTr("Pixels")]
+                model: [qsTr("Default"), qsTr("Scanlines"), qsTr("Pixels"), qsTr("Sub-Pixels")]
                 currentIndex: appSettings.rasterization
                 onCurrentIndexChanged: {
                     appSettings.rasterization = currentIndex
@@ -68,7 +68,10 @@ ColumnLayout {
                 }
                 Connections {
                     target: appSettings
-                    onTerminalFontChanged: fontChanger.updateIndex()
+
+                    onTerminalFontChanged: {
+                        fontChanger.updateIndex()
+                    }
                 }
                 Component.onCompleted: updateIndex()
             }
@@ -137,12 +140,12 @@ ColumnLayout {
                 Layout.fillWidth: true
                 CheckableSlider {
                     name: qsTr("Chroma Color")
-                    onNewValue: appSettings.chromaColor = newValue
+                    onNewValue: function(newValue) { appSettings.chromaColor = newValue }
                     value: appSettings.chromaColor
                 }
                 CheckableSlider {
                     name: qsTr("Saturation Color")
-                    onNewValue: appSettings.saturationColor = newValue
+                    onNewValue: function(newValue) { appSettings.saturationColor = newValue }
                     value: appSettings.saturationColor
                     enabled: appSettings.chromaColor !== 0
                 }

app/qml/SettingsWindow.qml

@@ -22,47 +22,54 @@ import QtQuick 2.2
 import QtQuick.Controls 2.1
 import QtQuick.Window 2.1
 import QtQuick.Layouts 1.3
-import QtQuick.Dialogs 1.1
+import QtQuick.Dialogs
 
 Window {
     id: settings_window
     title: qsTr("Settings")
-    width: 800
+    width: 640
-    height: 600
+    height: 640
 
     property int tabmargins: 15
 
-    TabBar {
+    Item {
-        id: bar
+        anchors { fill: parent;  margins: tabmargins }
-        width: parent.width
-        TabButton {
-            text: qsTr("General")
-        }
-        TabButton {
-            text: qsTr("Terminal")
-        }
-        TabButton {
-            text: qsTr("Effects")
-        }
-        TabButton {
-            text: qsTr("Advanced")
-        }
-    }
 
-    StackLayout {
+        TabBar {
-        anchors {
+            id: bar
-            top: bar.bottom
+            anchors { left: parent.left; right: parent.right; top: parent.top; }
-            left: parent.left
+            TabButton {
-            right: parent.right
+                text: qsTr("General")
-            bottom: parent.bottom
+            }
-            margins: tabmargins
+            TabButton {
+                text: qsTr("Terminal")
+            }
+            TabButton {
+                text: qsTr("Effects")
+            }
+            TabButton {
+                text: qsTr("Advanced")
+            }
         }
 
-        currentIndex: bar.currentIndex
+        Frame {
+            anchors {
+                top: bar.bottom
+                left: parent.left
+                right: parent.right
+                bottom: parent.bottom
+            }
 
-        SettingsGeneralTab { }
+            StackLayout {
-        SettingsTerminalTab { }
+                anchors.fill: parent
-        SettingsEffectsTab { }
+
-        SettingsAdvancedTab { }
+                currentIndex: bar.currentIndex
+
+                SettingsGeneralTab { }
+                SettingsTerminalTab { }
+                SettingsEffectsTab { }
+                SettingsAdvancedTab { }
+            }
+        }
     }
 }

app/qml/ShaderLibrary.qml

@@ -0,0 +1,91 @@
+import QtQuick 2.0
+
+QtObject {
+    property string rasterizationShader:
+        (appSettings.rasterization === appSettings.no_rasterization ? "
+            lowp vec3 applyRasterization(vec2 screenCoords, lowp vec3 texel, vec2 virtualResolution, float intensity) {
+                return texel;
+            }" : "") +
+
+        (appSettings.rasterization === appSettings.scanline_rasterization ? "
+            #define INTENSITY 0.30
+            #define BRIGHTBOOST 0.30
+
+            lowp vec3 applyRasterization(vec2 screenCoords, lowp vec3 texel, vec2 virtualResolution, float intensity) {
+                lowp vec3 pixelHigh = ((1.0 + BRIGHTBOOST) - (0.2 * texel)) * texel;
+                lowp vec3 pixelLow  = ((1.0 - INTENSITY) + (0.1 * texel)) * texel;
+
+                vec2 coords = fract(screenCoords * virtualResolution) * 2.0 - vec2(1.0);
+                lowp float mask = 1.0 - abs(coords.y);
+
+                lowp vec3 rasterizationColor = mix(pixelLow, pixelHigh, mask);
+                return mix(texel, rasterizationColor, intensity);
+            }" : "") +
+
+        (appSettings.rasterization === appSettings.pixel_rasterization ? "
+            #define INTENSITY 0.30
+            #define BRIGHTBOOST 0.30
+
+            lowp vec3 applyRasterization(vec2 screenCoords, lowp vec3 texel, vec2 virtualResolution, float intensity) {
+                lowp vec3 result = texel;
+
+                lowp vec3 pixelHigh = ((1.0 + BRIGHTBOOST) - (0.2 * texel)) * texel;
+                lowp vec3 pixelLow  = ((1.0 - INTENSITY) + (0.1 * texel)) * texel;
+
+                vec2 coords = fract(screenCoords * virtualResolution) * 2.0 - vec2(1.0);
+                coords = coords * coords;
+                lowp float mask = 1.0 - coords.x - coords.y;
+
+                lowp vec3 rasterizationColor = mix(pixelLow, pixelHigh, mask);
+                return mix(texel, rasterizationColor, intensity);
+            }" : "") +
+
+        (appSettings.rasterization === appSettings.subpixel_rasterization ? "
+            #define INTENSITY 0.30
+            #define BRIGHTBOOST 0.30
+            #define SUBPIXELS 3.0
+            const vec3 offsets = vec3(3.141592654) * vec3(1.0/2.0,1.0/2.0 - 2.0/3.0,1.0/2.0-4.0/3.0);
+
+            lowp vec3 applyRasterization(vec2 screenCoords, lowp vec3 texel, vec2 virtualResolution, float intensity) {
+                vec2 omega = vec2(3.141592654) * vec2(2.0) * virtualResolution;
+                vec2 angle = screenCoords * omega;
+                vec3 xfactors = (SUBPIXELS + sin(angle.x + offsets)) / (SUBPIXELS + 1.0);
+
+                lowp vec3 result = texel * xfactors;
+                lowp vec3 pixelHigh = ((1.0 + BRIGHTBOOST) - (0.2 * result)) * result;
+                lowp vec3 pixelLow  = ((1.0 - INTENSITY) + (0.1 * result)) * result;
+
+                vec2 coords = fract(screenCoords * virtualResolution) * 2.0 - vec2(1.0);
+                lowp float mask = 1.0 - abs(coords.y);
+
+                lowp vec3 rasterizationColor = mix(pixelLow, pixelHigh, mask);
+                return mix(texel, rasterizationColor, intensity);
+            }" : "") +
+
+        "\n\n"
+
+    property string min2: "
+        float min2(vec2 v) {
+            return min(v.x, v.y);
+        }\n\n"
+
+    property string rgb2grey: "
+        float rgb2grey(vec3 v) {
+            return dot(v, vec3(0.21, 0.72, 0.04));
+        }\n\n"
+
+    property string max2: "
+        float max2(vec2 v) {
+            return max(v.x, v.y);
+        }\n\n"
+
+    property string prod2: "
+        float prod2(vec2 v) {
+            return v.x * v.y;
+        }\n\n"
+
+    property string sum2: "
+        float sum2(vec2 v) {
+            return v.x + v.y;
+        }\n\n"
+}

app/qml/ShaderTerminal.qml

@@ -19,12 +19,10 @@
 *******************************************************************************/
 
 import QtQuick 2.2
-import QtGraphicalEffects 1.0
 
 import "utils.js" as Utils
 
 Item {
-    property SlowBurnIn slowBurnInEffect
     property ShaderEffectSource source
     property BurnInEffect burnInEffect
     property ShaderEffectSource bloomSource
@@ -38,498 +36,182 @@ Item {
 
     property real ambientLight: appSettings.ambientLight * 0.2
 
-    property size virtual_resolution
+    property size virtualResolution
-
+    property size screenResolution
-     ShaderEffect {
+
-         id: dynamicShader
+    property real _screenDensity: Math.min(
-
+        screenResolution.width / virtualResolution.width,
-         property ShaderEffectSource screenBuffer: frameBuffer
+        screenResolution.height / virtualResolution.height
-         property ShaderEffectSource burnInSource: burnInEffect.source
+    )
-         property ShaderEffectSource frameSource: terminalFrameLoader.item
+
-
+    ShaderEffect {
-         property color fontColor: parent.fontColor
+        id: dynamicShader
-         property color backgroundColor: parent.backgroundColor
+
-         property real screenCurvature: parent.screenCurvature
+        property ShaderEffectSource screenBuffer: frameBuffer
-         property real chromaColor: parent.chromaColor
+        property ShaderEffectSource burnInSource: burnInEffect.source
-         property real ambientLight: parent.ambientLight
+        property ShaderEffectSource frameSource: terminalFrameLoader.item
-
+
-         property real flickering: appSettings.flickering
+        property color fontColor: parent.fontColor
-         property real horizontalSync: appSettings.horizontalSync
+        property color backgroundColor: parent.backgroundColor
-         property real horizontalSyncStrength: Utils.lint(0.05, 0.35, horizontalSync)
+        property real screenCurvature: parent.screenCurvature
-         property real glowingLine: appSettings.glowingLine * 0.2
+        property real chromaColor: parent.chromaColor
-
+        property real ambientLight: parent.ambientLight
-         // Fast burnin properties
+
-         property real burnIn: appSettings.useFastBurnIn ? appSettings.burnIn : 0
+        property real flickering: appSettings.flickering
-         property real burnInLastUpdate: burnInEffect.lastUpdate
+        property real horizontalSync: appSettings.horizontalSync
-         property real burnInTime: burnInEffect.burnInFadeTime
+        property real horizontalSyncStrength: Utils.lint(0.05, 0.35, horizontalSync)
-
+        property real glowingLine: appSettings.glowingLine * 0.2
-         // Slow burnin properties
+
-         property real slowBurnIn: appSettings.useFastBurnIn ? 0 : appSettings.burnIn
+        // Fast burnin properties
-         property ShaderEffectSource slowBurnInSource: slowBurnInEffect.source
+        property real burnIn: appSettings.burnIn
-
+        property real burnInLastUpdate: burnInEffect.lastUpdate
-         property real jitter: appSettings.jitter
+        property real burnInTime: burnInEffect.burnInFadeTime
-         property size jitterDisplacement: Qt.size(0.007 * jitter, 0.002 * jitter)
+
-         property real shadowLength: 0.25 * screenCurvature * Utils.lint(0.50, 1.5, ambientLight)
+        property real jitter: appSettings.jitter
-         property real staticNoise: appSettings.staticNoise
+        property size jitterDisplacement: Qt.size(0.007 * jitter, 0.002 * jitter)
-         property size scaleNoiseSize: Qt.size((width) / (noiseTexture.width * appSettings.windowScaling * appSettings.totalFontScaling),
+        property real shadowLength: 0.25 * screenCurvature * Utils.lint(0.50, 1.5, ambientLight)
-                                               (height) / (noiseTexture.height * appSettings.windowScaling * appSettings.totalFontScaling))
+        property real staticNoise: appSettings.staticNoise
-
+        property size scaleNoiseSize: Qt.size((width * 0.75) / (noiseTexture.width * appSettings.windowScaling * appSettings.totalFontScaling),
-         property size virtual_resolution: parent.virtual_resolution
+                                              (height * 0.75) / (noiseTexture.height * appSettings.windowScaling * appSettings.totalFontScaling))
-
-         property real time: timeManager.time
-         property ShaderEffectSource noiseSource: noiseShaderSource
-
-         // If something goes wrong activate the fallback version of the shader.
-         property bool fallBack: false
-
-         anchors.fill: parent
-         blending: false
-
-         //Smooth random texture used for flickering effect.
-         Image {
-             id: noiseTexture
-             source: "images/allNoise512.png"
-             width: 512
-             height: 512
-             fillMode: Image.Tile
-             visible: false
-         }
-         ShaderEffectSource {
-             id: noiseShaderSource
-             sourceItem: noiseTexture
-             wrapMode: ShaderEffectSource.Repeat
-             visible: false
-             smooth: true
-         }
-
-         //Print the number with a reasonable precision for the shader.
-         function str(num){
-             return num.toFixed(8);
-         }
-
-         vertexShader: "
-             uniform highp mat4 qt_Matrix;
-             uniform highp float time;
-
-             attribute highp vec4 qt_Vertex;
-             attribute highp vec2 qt_MultiTexCoord0;
-
-             varying highp vec2 qt_TexCoord0;" +
-
-             (!fallBack ? "
-                 uniform sampler2D noiseSource;" : "") +
-
-             (!fallBack && flickering !== 0.0 ?"
-                 varying lowp float brightness;
-                 uniform lowp float flickering;" : "") +
-
-             (!fallBack && horizontalSync !== 0.0 ?"
-                 uniform lowp float horizontalSyncStrength;
-                 varying lowp float distortionScale;
-                 varying lowp float distortionFreq;" : "") +
-
-             "
-             void main() {
-                 qt_TexCoord0 = qt_MultiTexCoord0;
-                 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 = horizontalSyncStrength - initialNoiseTexel.r;
-                     distortionScale = step(0.0, randval) * randval * horizontalSyncStrength;
-                     distortionFreq = mix(4.0, 40.0, initialNoiseTexel.g);"
-                 : "") +
-
-                 "gl_Position = qt_Matrix * qt_Vertex;
-             }"
-
-         fragmentShader: "
-             #ifdef GL_ES
-                 precision mediump float;
-             #endif
-
-             uniform sampler2D screenBuffer;
-             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 shadowLength;
-
-             uniform highp vec2 virtual_resolution;" +
-
-             (burnIn !== 0 ? "
-                 uniform sampler2D burnInSource;
-                 uniform highp float burnInLastUpdate;
-                 uniform highp float burnInTime;" : "") +
-             (slowBurnIn !== 0 ? "
-                 uniform sampler2D slowBurnInSource;" : "") +
-             (staticNoise !== 0 ? "
-                 uniform highp float staticNoise;" : "") +
-             (((staticNoise !== 0 || jitter !== 0)
-               ||(fallBack && (flickering || horizontalSync))) ? "
-                 uniform lowp sampler2D noiseSource;
-                 uniform highp vec2 scaleNoiseSize;" : "") +
-             (screenCurvature !== 0 ? "
-                 uniform highp float screenCurvature;
-                 uniform lowp sampler2D frameSource;" : "") +
-             (glowingLine !== 0 ? "
-                 uniform highp float glowingLine;" : "") +
-             (chromaColor !== 0 ? "
-                 uniform lowp float chromaColor;" : "") +
-             (jitter !== 0 ? "
-                 uniform lowp vec2 jitterDisplacement;" : "") +
-             (ambientLight !== 0 ? "
-                 uniform lowp float ambientLight;" : "") +
-
-             (fallBack && horizontalSync !== 0 ? "
-                 uniform lowp float horizontalSyncStrength;" : "") +
-             (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)));
-                 }" : "") +
-
-             "float min2(vec2 v) {
-                 return min(v.x, v.y);
-             }
-
-             float rgb2grey(vec3 v){
-                 return dot(v, vec3(0.21, 0.72, 0.04));
-             }
-
-             float isInScreen(vec2 v) {
-                 return min2(step(0.0, v) - step(1.0, v));
-             }
-
-             vec2 barrel(vec2 v, vec2 cc) {" +
-
-                 (screenCurvature !== 0 ? "
-                     float distortion = dot(cc, cc) * screenCurvature;
-                     return (v - cc * (1.0 + distortion) * distortion);"
-                 :
-                     "return v;") +
-             "}" +
-
-             "vec3 convertWithChroma(vec3 inColor) {
-                vec3 outColor = inColor;" +
-
-                 (chromaColor !== 0 ?
-                     "outColor = fontColor.rgb * mix(vec3(rgb2grey(inColor)), inColor, chromaColor);"
-                 :
-                     "outColor = fontColor.rgb * rgb2grey(inColor);") +
-
-             "  return outColor;
-             }" +
-
-             "void main() {" +
-                 "vec2 cc = vec2(0.5) - qt_TexCoord0;" +
-                 "float distance = length(cc);" +
-
-                 //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 = horizontalSyncStrength - initialNoiseTexel.r;
-                     float distortionScale = step(0.0, randval) * randval * horizontalSyncStrength;
-                     float distortionFreq = mix(4.0, 40.0, initialNoiseTexel.g);"
-                 : "") +
-
-                 (staticNoise ? "
-                     float noise = staticNoise;" : "") +
-
-                 (screenCurvature !== 0 ? "
-                     vec2 staticCoords = barrel(qt_TexCoord0, cc);"
-                 :"
-                     vec2 staticCoords = qt_TexCoord0;") +
-
-                 "vec2 coords = qt_TexCoord0;" +
-
-                 (horizontalSync !== 0 ? "
-                     float dst = sin((coords.y + time * 0.001) * distortionFreq);
-                     coords.x += dst * distortionScale;" +
-
-                     (staticNoise ? "
-                         noise += distortionScale * 7.0;" : "")
-
-                 : "") +
-
-                 (jitter !== 0 || staticNoise !== 0 ?
-                     "vec4 noiseTexel = texture2D(noiseSource, scaleNoiseSize * coords + vec2(fract(time / 51.0), fract(time / 237.0)));"
-                 : "") +
-
-                 (jitter !== 0 ? "
-                     vec2 offset = vec2(noiseTexel.b, noiseTexel.a) - vec2(0.5);
-                     vec2 txt_coords = coords + offset * jitterDisplacement;"
-                 :  "vec2 txt_coords = coords;") +
 
-                 "float color = 0.0001;" +
+        property size virtualResolution: parent.virtualResolution
 
-                 (staticNoise !== 0 ? "
+        // Rasterization might display oversamping issues if virtual resolution is close to physical display resolution.
-                     float noiseVal = noiseTexel.a;
+        // We progressively disable rasterization from 4x up to 2x resolution.
-                     color += noiseVal * noise * (1.0 - distance * 1.3);" : "") +
+        property real rasterizationIntensity: Utils.smoothstep(2.0, 4.0, _screenDensity)
-
+        property int rasterizationMode: appSettings.rasterization
-                 (glowingLine !== 0 ? "
+
-                     color += randomPass(coords * virtual_resolution) * glowingLine;" : "") +
+        property real displayTerminalFrame: appSettings._frameMargin > 0 || appSettings.screenCurvature > 0
-
+
-                 "vec3 txt_color = texture2D(screenBuffer, txt_coords).rgb;" +
+        property real time: timeManager.time
-
+        property ShaderEffectSource noiseSource: noiseShaderSource
-                 (burnIn !== 0 ? "
+
-                     vec4 txt_blur = texture2D(burnInSource, staticCoords);
+        // Extra uniforms expected by the shared uniform block
-                     float blurDecay = clamp((time - burnInLastUpdate) * burnInTime, 0.0, 1.0);
+        property real screenShadowCoeff: 0
-                     vec3 burnInColor = 0.65 * (txt_blur.rgb - vec3(blurDecay));
+        property real frameShadowCoeff: 0
-                     txt_color = max(txt_color, convertWithChroma(burnInColor));"
+        property color frameColor: backgroundColor
-                 : "") +
+        property size margin: Qt.size(0, 0)
-
+        property real prevLastUpdate: burnInEffect.prevLastUpdate
-                 (slowBurnIn !== 0 ? "
+        property real screen_brightness: Utils.lint(0.5, 1.5, appSettings.brightness)
-                     vec4 txt_blur = texture2D(slowBurnInSource, staticCoords);
+        property real bloom: appSettings.bloom
-                     txt_color = max(txt_color, convertWithChroma(txt_blur.rgb * txt_blur.a));
+        property real rbgShift: (appSettings.rbgShift / Math.max(width, 1)) * appSettings.totalFontScaling
-                 " : "") +
+
-
+        anchors.fill: parent
-                  "txt_color += fontColor.rgb * vec3(color);" +
+        blending: false
-
+
-                 "vec3 finalColor = txt_color;" +
+        Image {
-
+            id: noiseTexture
-                 (flickering !== 0 ? "
+            source: "images/allNoise512.png"
-                     finalColor *= brightness;" : "") +
+            width: 512
-
+            height: 512
-                 (ambientLight !== 0 ? "
+            fillMode: Image.Tile
-                     finalColor += vec3(ambientLight) * (1.0 - distance) * (1.0 - distance);" : "") +
+            visible: false
-
+        }
-                 (screenCurvature !== 0 ?
+        ShaderEffectSource {
-                    "vec4 frameColor = texture2D(frameSource, qt_TexCoord0);
+            id: noiseShaderSource
-                     finalColor = mix(finalColor, frameColor.rgb, frameColor.a);"
+            sourceItem: noiseTexture
-                 : "") +
+            wrapMode: ShaderEffectSource.Repeat
-
+            visible: false
-                 "gl_FragColor = vec4(finalColor, qt_Opacity);" +
+            smooth: true
-             "}"
+        }
-
+
-          onStatusChanged: {
+        vertexShader: "qrc:/shaders/terminal_dynamic.vert.qsb"
-              // Print warning messages
+        fragmentShader: "qrc:/shaders/terminal_dynamic.frag.qsb"
-              if (log)
+
-                  console.log(log);
+        onStatusChanged: if (log) console.log(log)
-
+    }
-              // Activate fallback mode
+
-              if (status == ShaderEffect.Error) {
+    Loader {
-                 fallBack = true;
+        id: terminalFrameLoader
-              }
+
-          }
+        active: dynamicShader.displayTerminalFrame
-     }
+
-
+        width: staticShader.width
-     Loader {
+        height: staticShader.height
-         id: terminalFrameLoader
+
-
+        sourceComponent: ShaderEffectSource {
-         active: screenCurvature !== 0
+
-
+            sourceItem: terminalFrame
-         width: staticShader.width
+            hideSource: true
-         height: staticShader.height
+            visible: false
-
+            format: ShaderEffectSource.RGBA
-         sourceComponent: ShaderEffectSource {
+
-
+            TerminalFrame {
-             sourceItem: terminalFrame
+                id: terminalFrame
-             hideSource: true
+                blending: false
-             visible: false
+                anchors.fill: parent
-             format: ShaderEffectSource.RGBA
+            }
-
+        }
-             NewTerminalFrame {
+    }
-                 id: terminalFrame
+
-                 blending: false
+    ShaderLibrary {
-                 anchors.fill: parent
+        id: shaderLibrary
-             }
+    }
-         }
+
-     }
+    ShaderEffect {
-
+        id: staticShader
-     ShaderEffect {
+
-         id: staticShader
+        width: parent.width * appSettings.windowScaling
-
+        height: parent.height * appSettings.windowScaling
-         width: parent.width * appSettings.windowScaling
+
-         height: parent.height * appSettings.windowScaling
+        property ShaderEffectSource source: parent.source
-
+        property ShaderEffectSource bloomSource: parent.bloomSource
-         property ShaderEffectSource source: parent.source
+
-         property ShaderEffectSource bloomSource: parent.bloomSource
+        property color fontColor: parent.fontColor
-
+        property color backgroundColor: parent.backgroundColor
-         property color fontColor: parent.fontColor
+        property real bloom: bloomSource ? appSettings.bloom * 2.5 : 0
-         property color backgroundColor: parent.backgroundColor
+
-         property real bloom: appSettings.bloom * 2.5
+        property real screenCurvature: parent.screenCurvature
-
+
-         property real screenCurvature: parent.screenCurvature
+        property real chromaColor: appSettings.chromaColor;
-
+
-         property real chromaColor: appSettings.chromaColor;
+        property real rbgShift: (appSettings.rbgShift / width) * appSettings.totalFontScaling
-
+
-         property real rbgShift: (appSettings.rbgShift / width) * appSettings.totalFontScaling // TODO FILIPPO width here is wrong.
+        property int rasterization: appSettings.rasterization
-
+
-         property int rasterization: appSettings.rasterization
+        property real screen_brightness: Utils.lint(0.5, 1.5, appSettings.brightness)
-
+
-         property real screen_brightness: Utils.lint(0.5, 1.5, appSettings.brightness)
+        property real ambientLight: parent.ambientLight
-
+
-         property real ambientLight: parent.ambientLight
+        property size virtualResolution: parent.virtualResolution
-
+
-         property size virtual_resolution: parent.virtual_resolution
+        // Extra uniforms to match shared uniform block
-
+        property real time: timeManager.time
-         blending: false
+        property real shadowLength: 0
-         visible: false
+        property real rasterizationIntensity: Utils.smoothstep(2.0, 4.0, _screenDensity)
-
+        property int rasterizationMode: appSettings.rasterization
-         //Print the number with a reasonable precision for the shader.
+        property real burnInLastUpdate: burnInEffect.lastUpdate
-         function str(num){
+        property real burnInTime: burnInEffect.burnInFadeTime
-             return num.toFixed(8);
+        property real burnIn: appSettings.burnIn
-         }
+        property real staticNoise: appSettings.staticNoise
-
+        property real glowingLine: appSettings.glowingLine * 0.2
-         fragmentShader: "
+        property size jitterDisplacement: Qt.size(0, 0)
-             #ifdef GL_ES
+        property real jitter: appSettings.jitter
-                 precision mediump float;
+        property real horizontalSync: appSettings.horizontalSync
-             #endif
+        property real horizontalSyncStrength: Utils.lint(0.05, 0.35, horizontalSync)
-
+        property real flickering: appSettings.flickering
-             uniform sampler2D source;
+        property real displayTerminalFrame: dynamicShader.displayTerminalFrame
-             uniform highp float qt_Opacity;
+        property size scaleNoiseSize: Qt.size((width * 0.75) / (512 * appSettings.windowScaling * appSettings.totalFontScaling),
-             varying highp vec2 qt_TexCoord0;
+                                              (height * 0.75) / (512 * appSettings.windowScaling * appSettings.totalFontScaling))
-
+        property real screenShadowCoeff: 0
-             uniform highp vec4 fontColor;
+        property real frameShadowCoeff: 0
-             uniform highp vec4 backgroundColor;
+        property color frameColor: backgroundColor
-             uniform lowp float screen_brightness;
+        property size margin: Qt.size(0, 0)
-
+        property real prevLastUpdate: burnInEffect.prevLastUpdate
-             uniform highp vec2 virtual_resolution;" +
+
-
+        blending: false
-             (bloom !== 0 ? "
+        visible: false
-                 uniform highp sampler2D bloomSource;
+
-                 uniform lowp float bloom;" : "") +
+        vertexShader: "qrc:/shaders/passthrough.vert.qsb"
-
+        fragmentShader: "qrc:/shaders/terminal_static.frag.qsb"
-             (screenCurvature !== 0 ? "
+
-                 uniform highp float screenCurvature;" : "") +
+        onStatusChanged: if (log) console.log(log)
-
+    }
-             (chromaColor !== 0 ? "
+
-                 uniform lowp float chromaColor;" : "") +
+    ShaderEffectSource {
-
+        id: frameBuffer
-             (rbgShift !== 0 ? "
+        visible: false
-                 uniform lowp float rbgShift;" : "") +
+        sourceItem: staticShader
-
+        hideSource: true
-             (ambientLight !== 0 ? "
+    }
-                 uniform lowp float ambientLight;" : "") +
-
-             "highp float getScanlineIntensity(vec2 coords) {
-                 float result = 1.0;" +
-
-                (appSettings.rasterization != appSettings.no_rasterization ?
-                    "float val = 0.0;
-                     vec2 rasterizationCoords = fract(coords * virtual_resolution);
-                     val += smoothstep(0.0, 0.5, rasterizationCoords.y);
-                     val -= smoothstep(0.5, 1.0, rasterizationCoords.y);
-                     result *= mix(0.5, 1.0, val);" : "") +
-
-                (appSettings.rasterization == appSettings.pixel_rasterization ?
-                    "val = 0.0;
-                     val += smoothstep(0.0, 0.5, rasterizationCoords.x);
-                     val -= smoothstep(0.5, 1.0, rasterizationCoords.x);
-                     result *= mix(0.5, 1.0, val);" : "") + "
-
-                return result;
-             }
-
-             float min2(vec2 v) {
-                 return min(v.x, v.y);
-             }
-
-             float sum2(vec2 v) {
-                 return v.x + v.y;
-             }
-
-             float rgb2grey(vec3 v){
-                 return dot(v, vec3(0.21, 0.72, 0.04));
-             }" +
-
-             "vec3 convertWithChroma(vec3 inColor) {
-                vec3 outColor = inColor;" +
-
-                 (chromaColor !== 0 ?
-                     "outColor = fontColor.rgb * mix(vec3(rgb2grey(inColor)), inColor, chromaColor);"
-                 :
-                     "outColor = fontColor.rgb * rgb2grey(inColor);") +
-
-             "  return outColor;
-             }" +
-
-
-             "void main() {" +
-                 "vec2 cc = vec2(0.5) - qt_TexCoord0;" +
-
-                 (screenCurvature !== 0 ? "
-                     float distortion = dot(cc, cc) * screenCurvature;
-                     vec2 curvatureCoords = (qt_TexCoord0 - cc * (1.0 + distortion) * distortion);
-                     vec2 txt_coords = - 2.0 * curvatureCoords + 3.0 * step(vec2(0.0), curvatureCoords) * curvatureCoords - 3.0 * step(vec2(1.0), curvatureCoords) * curvatureCoords;"
-                 :"
-                     vec2 txt_coords = qt_TexCoord0;") +
-
-                 "vec3 txt_color = texture2D(source, txt_coords).rgb;" +
-
-                 (rbgShift !== 0 ? "
-                     vec2 displacement = vec2(12.0, 0.0) * rbgShift;
-                     vec3 rightColor = texture2D(source, txt_coords + displacement).rgb;
-                     vec3 leftColor = texture2D(source, txt_coords - displacement).rgb;
-                     txt_color.r = leftColor.r * 0.10 + rightColor.r * 0.30 + txt_color.r * 0.60;
-                     txt_color.g = leftColor.g * 0.20 + rightColor.g * 0.20 + txt_color.g * 0.60;
-                     txt_color.b = leftColor.b * 0.30 + rightColor.b * 0.10 + txt_color.b * 0.60;
-                 " : "") +
-
-                  "txt_color *= getScanlineIntensity(txt_coords);" +
-
-                  "txt_color += vec3(0.0001);" +
-                  "float greyscale_color = rgb2grey(txt_color);" +
-
-                 (screenCurvature !== 0 ? "
-                     float reflectionMask = sum2(step(vec2(0.0), curvatureCoords) - step(vec2(1.0), curvatureCoords));
-                     reflectionMask = clamp(reflectionMask, 0.0, 1.0);"
-                 :
-                     "float reflectionMask = 1.0;") +
-
-                 (chromaColor !== 0 ?
-                     "vec3 foregroundColor = mix(fontColor.rgb, txt_color * fontColor.rgb / greyscale_color, chromaColor);
-                      vec3 finalColor = mix(backgroundColor.rgb, foregroundColor, greyscale_color * reflectionMask);"
-                 :
-                     "vec3 finalColor = mix(backgroundColor.rgb, fontColor.rgb, greyscale_color * reflectionMask);") +
-
-                     (bloom !== 0 ?
-                         "vec4 bloomFullColor = texture2D(bloomSource, txt_coords);
-                          vec3 bloomColor = bloomFullColor.rgb;
-                          float bloomAlpha = bloomFullColor.a;
-                          bloomColor = convertWithChroma(bloomColor);
-                          finalColor += clamp(bloomColor * bloom * bloomAlpha, 0.0, 0.5);"
-                     : "") +
-
-                 "finalColor *= screen_brightness;" +
-
-                 "gl_FragColor = vec4(finalColor, qt_Opacity);" +
-             "}"
-
-         onStatusChanged: {
-             // Print warning messages
-             if (log) console.log(log);
-         }
-     }
-
-     ShaderEffectSource {
-         id: frameBuffer
-         visible: false
-         sourceItem: staticShader
-         hideSource: true
-     }
 }

app/qml/SlowBurnIn.qml

@@ -1,140 +0,0 @@
-/*******************************************************************************
-* 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 {
-    property ShaderEffectSource source: item ? item.source : null
-
-    active: !appSettings.useFastBurnIn && appSettings.burnIn !== 0
-    anchors.fill: parent
-
-    sourceComponent: Item {
-        property alias source: burnInSourceEffect
-        property int burnInScaling: scaleTexture * appSettings.burnInQuality
-
-        ShaderEffectSource {
-            property bool updateBurnIn: false
-            property real burnIn: appSettings.burnIn
-            property real fps: appSettings.fps !== 0 ? appSettings.fps : 60
-            property real burnInFadeTime: Utils.lint(minBurnInFadeTime, maxBurnInFadeTime, burnIn)
-            property real burnInCoefficient: 1000 / (fps * burnInFadeTime)
-            property real minBurnInFadeTime: appSettings.minBurnInFadeTime
-            property real maxBurnInFadeTime: appSettings.maxBurnInFadeTime
-
-            id: burnInSourceEffect
-
-            anchors.fill: parent
-
-            sourceItem: burnInEffect
-            recursive: true
-            live: false
-            hideSource: true
-            wrapMode: kterminalSource.wrapMode
-
-            visible: false
-
-            function restartBlurSource(){
-                livetimer.restart();
-            }
-
-            // This updates the burnin synched with the timer.
-            Connections {
-                target: burnInSourceEffect.updateBurnIn ? timeManager : null
-                ignoreUnknownSignals: false
-                onTimeChanged: {
-                    burnInSourceEffect.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: burnInSourceEffect.burnInFadeTime * 1.1
-                running: true
-                onTriggered: burnInSourceEffect.updateBurnIn = false;
-            }
-            Connections {
-                target: kterminal
-                onImagePainted:{
-                    burnInSourceEffect.scheduleUpdate();
-                    burnInSourceEffect.updateBurnIn = true;
-                    livetimer.restart();
-                }
-            }
-            // Restart blurred source settings change.
-            Connections {
-                target: appSettings
-                onBurnInChanged: burnInSourceEffect.restartBlurSource();
-                onTerminalFontChanged: burnInSourceEffect.restartBlurSource();
-                onRasterizationChanged: burnInSourceEffect.restartBlurSource();
-                onBurnInQualityChanged: burnInSourceEffect.restartBlurSource();
-            }
-            Connections {
-                target: kterminalScrollbar
-                onOpacityChanged: burnInSourceEffect.restartBlurSource();
-            }
-
-            ShaderEffect {
-                id: burnInEffect
-
-                property variant txt_source: kterminalSource
-                property variant blurredSource: burnInSourceEffect
-                property real burnInCoefficient: burnInSourceEffect.burnInCoefficient
-
-                anchors.fill: parent
-                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 burnInCoefficient;" +
-
-                    "float max3(vec3 v) {
-                         return max (max (v.x, v.y), v.z);
-                    }" +
-
-                    "void main() {" +
-                        "vec2 coords = qt_TexCoord0;" +
-                        "vec3 origColor = texture2D(txt_source, coords).rgb;" +
-                        "vec3 blur_color = texture2D(blurredSource, coords).rgb - vec3(burnInCoefficient);" +
-                        "vec3 color = min(origColor + blur_color, max(origColor, blur_color));" +
-
-                        "gl_FragColor = vec4(color, max3(color - origColor));" +
-                    "}"
-
-                onStatusChanged: if (log) console.log(log) //Print warning messages
-            }
-        }
-    }
-}

app/qml/TerminalContainer.qml

@@ -18,7 +18,7 @@
 * 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
 
@@ -26,13 +26,19 @@ ShaderTerminal {
     property alias title: terminal.title
     property alias terminalSize: terminal.terminalSize
 
+    property real devicePixelRatio: terminalWindow.screen.devicePixelRatio
+
     id: mainShader
     opacity: appSettings.windowOpacity * 0.3 + 0.7
 
     source: terminal.mainSource
     burnInEffect: terminal.burnInEffect
-    slowBurnInEffect: terminal.slowBurnInEffect
+    virtualResolution: terminal.virtualResolution
-    virtual_resolution: terminal.virtualResolution
+    screenResolution: Qt.size(
+        terminalWindow.width * devicePixelRatio * appSettings.windowScaling,
+        terminalWindow.height * devicePixelRatio * appSettings.windowScaling
+    )
+    bloomSource: bloomSourceLoader.item
 
     TimeManager {
         id: timeManager
@@ -70,6 +76,4 @@ ShaderTerminal {
             visible: false
         }
     }
-
-    bloomSource: bloomSourceLoader.item
 }

app/qml/TerminalFrame.qml

@@ -0,0 +1,75 @@
+/*******************************************************************************
+* 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: "#fff"
+    property color _backgroundColor: appSettings.backgroundColor
+    property color _fontColor: appSettings.fontColor
+    property color _lightColor: Utils.mix(_fontColor, _backgroundColor, 0.2)
+    property real _ambientLight: Utils.lint(0.2, 0.8, appSettings.ambientLight)
+
+    property color frameColor: Utils.mix(_staticFrameColor, _lightColor, _ambientLight)
+    property real screenCurvature: appSettings.screenCurvature * appSettings.screenCurvatureSize
+
+    // Coefficient of the log curve used to approximate shadowing
+    property real screenShadowCoeff: Utils.lint(20.0, 10.0, _ambientLight)
+    property real frameShadowCoeff: Utils.lint(20.0, 10.0, _ambientLight)
+
+    property size margin: Qt.size(
+        appSettings.frameMargin / width * appSettings.windowScaling,
+        appSettings.frameMargin / height * appSettings.windowScaling
+    )
+
+    // Uniforms required by the shared block
+    property real qt_Opacity: 1.0
+    property real time: timeManager.time
+    property color fontColor: appSettings.fontColor
+    property color backgroundColor: appSettings.backgroundColor
+    property real shadowLength: 0
+    property size virtualResolution: Qt.size(width, height)
+    property real rasterizationIntensity: 0
+    property int rasterizationMode: 0
+    property real burnInLastUpdate: 0
+    property real burnInTime: 0
+    property real burnIn: 0
+    property real staticNoise: 0
+    property real glowingLine: 0
+    property real chromaColor: 0
+    property size jitterDisplacement: Qt.size(0, 0)
+    property real ambientLight: _ambientLight
+    property real jitter: 0
+    property real horizontalSync: 0
+    property real horizontalSyncStrength: 0
+    property real flickering: 0
+    property real displayTerminalFrame: 0
+    property size scaleNoiseSize: Qt.size(0, 0)
+    property real screen_brightness: 1.0
+    property real bloom: 0
+    property real rbgShift: 0
+    property real prevLastUpdate: 0
+
+    vertexShader: "qrc:/shaders/passthrough.vert.qsb"
+    fragmentShader: "qrc:/shaders/terminal_frame.frag.qsb"
+
+    onStatusChanged: if (log) console.log(log) //Print warning messages
+}

app/qml/TimeManager.qml

@@ -17,22 +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 2.2
+import QtQuick
 
-Timer {
+QtObject {
-    default property bool enableTimer: false
+    id: timeManager
-    property real time
 
-    NumberAnimation on time {
+    property bool enableTimer: false
-        from: 0
+    property real time: 0
-        to: 100000
+
-        running: appSettings.fps === 0 && enableTimer
+    property int framesPerUpdate: Math.max(1, appSettings.effectsFrameSkip)
-        duration: 100000
+    property int _frameCounter: 0
-        loops: Animation.Infinite
+
+    property var frameDriver: FrameAnimation {
+        running: enableTimer
+        onTriggered: {
+            timeManager._frameCounter += 1
+
+            if (timeManager._frameCounter >= timeManager.framesPerUpdate) {
+                time = elapsedTime
+                timeManager._frameCounter = 0
+            }
+        }
     }
 
-    onTriggered: time += interval
+    onEnableTimerChanged: if (!enableTimer) _frameCounter = 0
-    running: appSettings.fps !== 0 && enableTimer
+    onFramesPerUpdateChanged: _frameCounter = 0
-    interval: Math.round(1000 / appSettings.fps)
-    repeat: true
 }

app/qml/main.qml

@@ -53,20 +53,30 @@ ApplicationWindow {
     property bool fullscreen: appSettings.fullscreen
     onFullscreenChanged: visibility = (fullscreen ? Window.FullScreen : Window.Windowed)
 
-    menuBar: WindowMenu {
+    menuBar: qtquickMenuLoader.item
-        id: mainMenu
+
-        visible: (Qt.platform.os === "osx" || appSettings.showMenubar)
+    Loader {
+        id: qtquickMenuLoader
+        active: !appSettings.isMacOS && appSettings.showMenubar
+        sourceComponent: WindowMenu { }
+    }
+
+    Loader {
+        id: globalMenuLoader
+        active: appSettings.isMacOS
+        sourceComponent: OSXMenu { }
     }
 
     property string wintitle: appSettings.wintitle
 
     color: "#00000000"
+
     title: terminalContainer.title || qsTr(appSettings.wintitle)
 
     Action {
         id: showMenubarAction
         text: qsTr("Show Menubar")
-        enabled: Qt.platform.os !== "osx"
+        enabled: !appSettings.isMacOS
         shortcut: "Ctrl+Shift+M"
         checkable: true
         checked: appSettings.showMenubar
@@ -75,7 +85,7 @@ ApplicationWindow {
     Action {
         id: fullscreenAction
         text: qsTr("Fullscreen")
-        enabled: Qt.platform.os !== "osx"
+        enabled: !appSettings.isMacOS
         shortcut: "Alt+F11"
         onTriggered: appSettings.fullscreen = !appSettings.fullscreen
         checkable: true
@@ -154,7 +164,7 @@ ApplicationWindow {
     onClosing: {
         // OSX Since we are currently supporting only one window
         // quit the application when it is closed.
-        if (Qt.platform.os === "osx")
+        if (appSettings.isMacOS)
             Qt.quit()
     }
 }

app/qml/menus/FullContextMenu.qml

@@ -82,8 +82,8 @@ Menu {
                     appSettings.handleFontChanged()
                 }
             }
-            onObjectAdded: profilesMenu.insertItem(index, object)
+            onObjectAdded: function(index, object) { profilesMenu.insertItem(index, object) }
-            onObjectRemoved: profilesMenu.removeItem(object)
+            onObjectRemoved: function(object) { profilesMenu.removeItem(object) }
         }
     }
     Menu {

app/qml/menus/OSXMenu.qml

@@ -0,0 +1,89 @@
+/*******************************************************************************
+* 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 2.3
+import Qt.labs.platform 1.1
+
+MenuBar {
+    id: defaultMenuBar
+
+    Menu {
+        title: qsTr("File")
+        MenuItem {
+            text: quitAction.text
+            onTriggered: quitAction.trigger()
+        }
+    }
+    Menu {
+        title: qsTr("Edit")
+        MenuItem {
+            text: copyAction.text
+            shortcut: "Meta+C"
+            onTriggered: copyAction.trigger()
+        }
+        MenuItem {
+            text: pasteAction.text
+            shortcut: "Meta+V"
+            onTriggered: pasteAction.trigger()
+        }
+        MenuSeparator {}
+        MenuItem {
+            text: showsettingsAction.text
+            shortcut: showsettingsAction.shortcut
+            onTriggered: showsettingsAction.trigger()
+        }
+    }
+    Menu {
+        title: qsTr("View")
+        MenuItem {
+            text: zoomIn.text
+            shortcut: "Meta++"
+            onTriggered: zoomIn.trigger()
+        }
+        MenuItem {
+            text: zoomOut.text
+            shortcut: "Meta+-"
+            onTriggered: zoomOut.trigger()
+        }
+    }
+    Menu {
+        id: profilesMenu
+        title: qsTr("Profiles")
+        Instantiator {
+            model: appSettings.profilesList
+            delegate: MenuItem {
+                text: model.text
+                onTriggered: {
+                    appSettings.loadProfileString(obj_string)
+                    appSettings.handleFontChanged()
+                }
+            }
+            onObjectAdded: function(index, object) { profilesMenu.insertItem(index, object) }
+            onObjectRemoved: function(object) { profilesMenu.removeItem(object) }
+        }
+    }
+    Menu {
+        title: qsTr("Help")
+        MenuItem {
+            text: showAboutAction.text
+            onTriggered: showAboutAction.trigger()
+        }
+    }
+}

app/qml/menus/WindowMenu.qml

@@ -72,8 +72,8 @@ MenuBar {
                     appSettings.handleFontChanged()
                 }
             }
-            onObjectAdded: profilesMenu.insertItem(index, object)
+            onObjectAdded: function(index, object) { profilesMenu.insertItem(index, object) }
-            onObjectRemoved: profilesMenu.removeItem(object)
+            onObjectRemoved: function(object) { profilesMenu.removeItem(object) }
         }
     }
     Menu {

app/qml/resources.qrc

@@ -19,7 +19,7 @@
         <file>SettingsTerminalTab.qml</file>
         <file>FontScanlines.qml</file>
         <file>fonts/1977-apple2/PrintChar21.ttf</file>
-        <file>fonts/1971-ibm-3278/3270Medium.ttf</file>
+        <file>fonts/1971-ibm-3278/3270-Regular.ttf</file>
         <file>Storage.qml</file>
         <file>SettingsAdvancedTab.qml</file>
         <file>TerminalContainer.qml</file>
@@ -40,10 +40,17 @@
         <file>fonts/1977-commodore-pet/PetMe.ttf</file>
         <file>BurnInEffect.qml</file>
         <file>fonts/modern-terminus/TerminusTTF-4.46.0.ttf</file>
-        <file>NewTerminalFrame.qml</file>
+        <file>TerminalFrame.qml</file>
-        <file>SlowBurnIn.qml</file>
         <file>menus/WindowMenu.qml</file>
         <file>menus/FullContextMenu.qml</file>
         <file>menus/ShortContextMenu.qml</file>
+        <file>ShaderLibrary.qml</file>
+        <file>menus/OSXMenu.qml</file>
+        <file>../shaders/terminal_dynamic.vert.qsb</file>
+        <file>../shaders/terminal_dynamic.frag.qsb</file>
+        <file>../shaders/passthrough.vert.qsb</file>
+        <file>../shaders/terminal_static.frag.qsb</file>
+        <file>../shaders/terminal_frame.frag.qsb</file>
+        <file>../shaders/burn_in.frag.qsb</file>
     </qresource>
 </RCC>

app/qml/utils.js

@@ -31,13 +31,18 @@ function lint(a, b, t) {
     return (1 - t) * a + (t) * b;
 }
 
-function mix(c1, c2, alpha){
+function mix(c1, c2, alpha) {
     return Qt.rgba(c1.r * alpha + c2.r * (1-alpha),
                    c1.g * alpha + c2.g * (1-alpha),
                    c1.b * alpha + c2.b * (1-alpha),
                    c1.a * alpha + c2.a * (1-alpha))
 }
 
+function smoothstep(min, max, value) {
+    let x = Math.max(0, Math.min(1, (value - min) / (max - min)));
+    return x * x * (3 - 2 * x);
+}
+
 function strToColor(s){
     var r = parseInt(s.substring(1,3), 16) / 256;
     var g = parseInt(s.substring(3,5), 16) / 256;

app/shaders/burn_in.frag

@@ -0,0 +1,63 @@
+#version 440
+
+layout(location = 0) in vec2 qt_TexCoord0;
+layout(location = 0) out vec4 fragColor;
+
+layout(std140, binding = 0) uniform ubuf {
+    mat4 qt_Matrix;
+    float qt_Opacity;
+    float time;
+    vec4 fontColor;
+    vec4 backgroundColor;
+    float shadowLength;
+    vec2 virtualResolution;
+    float rasterizationIntensity;
+    int rasterizationMode;
+    float burnInLastUpdate;
+    float burnInTime;
+    float burnIn;
+    float staticNoise;
+    float screenCurvature;
+    float glowingLine;
+    float chromaColor;
+    vec2 jitterDisplacement;
+    float ambientLight;
+    float jitter;
+    float horizontalSync;
+    float horizontalSyncStrength;
+    float flickering;
+    float displayTerminalFrame;
+    vec2 scaleNoiseSize;
+    float screen_brightness;
+    float bloom;
+    float rbgShift;
+    float screenShadowCoeff;
+    float frameShadowCoeff;
+    vec4 frameColor;
+    vec2 margin;
+    float prevLastUpdate;
+};
+
+layout(binding = 1) uniform sampler2D txt_source;
+layout(binding = 2) uniform sampler2D burnInSource;
+
+float rgb2grey(vec3 v) {
+    return dot(v, vec3(0.21, 0.72, 0.04));
+}
+
+void main() {
+    vec2 coords = qt_TexCoord0;
+
+    vec3 txtColor = texture(txt_source, coords).rgb;
+    vec4 accColor = texture(burnInSource, coords);
+
+    float prevMask = accColor.a;
+    float currMask = rgb2grey(txtColor);
+
+    float blurDecay = clamp((burnInLastUpdate - prevLastUpdate) * burnInTime, 0.0, 1.0);
+    blurDecay = max(0.0, blurDecay - prevMask);
+    vec3 blurColor = accColor.rgb - vec3(blurDecay);
+    vec3 color = max(blurColor, txtColor);
+
+    fragColor = vec4(color, currMask) * qt_Opacity;
+}

app/shaders/passthrough.vert

@@ -0,0 +1,46 @@
+#version 440
+
+layout(location = 0) in vec4 qt_Vertex;
+layout(location = 1) in vec2 qt_MultiTexCoord0;
+
+layout(std140, binding = 0) uniform ubuf {
+    mat4 qt_Matrix;
+    float qt_Opacity;
+    float time;
+    vec4 fontColor;
+    vec4 backgroundColor;
+    float shadowLength;
+    vec2 virtualResolution;
+    float rasterizationIntensity;
+    int rasterizationMode;
+    float burnInLastUpdate;
+    float burnInTime;
+    float burnIn;
+    float staticNoise;
+    float screenCurvature;
+    float glowingLine;
+    float chromaColor;
+    vec2 jitterDisplacement;
+    float ambientLight;
+    float jitter;
+    float horizontalSync;
+    float horizontalSyncStrength;
+    float flickering;
+    float displayTerminalFrame;
+    vec2 scaleNoiseSize;
+    float screen_brightness;
+    float bloom;
+    float rbgShift;
+    float screenShadowCoeff;
+    float frameShadowCoeff;
+    vec4 frameColor;
+    vec2 margin;
+    float prevLastUpdate;
+};
+
+layout(location = 0) out vec2 qt_TexCoord0;
+
+void main() {
+    qt_TexCoord0 = qt_MultiTexCoord0;
+    gl_Position = qt_Matrix * qt_Vertex;
+}

app/shaders/terminal_dynamic.frag

@@ -0,0 +1,163 @@
+#version 440
+
+layout(location = 0) in vec2 qt_TexCoord0;
+layout(location = 1) in float vBrightness;
+layout(location = 2) in float vDistortionScale;
+layout(location = 3) in float vDistortionFreq;
+
+layout(location = 0) out vec4 fragColor;
+
+layout(std140, binding = 0) uniform ubuf {
+    mat4 qt_Matrix;
+    float qt_Opacity;
+    float time;
+    vec4 fontColor;
+    vec4 backgroundColor;
+    float shadowLength;
+    vec2 virtualResolution;
+    float rasterizationIntensity;
+    int rasterizationMode;
+    float burnInLastUpdate;
+    float burnInTime;
+    float burnIn;
+    float staticNoise;
+    float screenCurvature;
+    float glowingLine;
+    float chromaColor;
+    vec2 jitterDisplacement;
+    float ambientLight;
+    float jitter;
+    float horizontalSync;
+    float horizontalSyncStrength;
+    float flickering;
+    float displayTerminalFrame;
+    vec2 scaleNoiseSize;
+    float screen_brightness;
+    float bloom;
+    float rbgShift;
+    float screenShadowCoeff;
+    float frameShadowCoeff;
+    vec4 frameColor;
+    vec2 margin;
+    float prevLastUpdate;
+};
+
+layout(binding = 0) uniform sampler2D noiseSource;
+layout(binding = 1) uniform sampler2D screenBuffer;
+layout(binding = 2) uniform sampler2D burnInSource;
+layout(binding = 3) uniform sampler2D frameSource;
+
+float min2(vec2 v) { return min(v.x, v.y); }
+float prod2(vec2 v) { return v.x * v.y; }
+float sum2(vec2 v) { return v.x + v.y; }
+float rgb2grey(vec3 v) { return dot(v, vec3(0.21, 0.72, 0.04)); }
+
+vec3 applyRasterization(vec2 screenCoords, vec3 texel, vec2 virtualRes, float intensity, int mode) {
+    if (intensity <= 0.0 || mode == 0) {
+        return texel;
+    }
+
+    const float INTENSITY = 0.30;
+    const float BRIGHTBOOST = 0.30;
+
+    if (mode == 1) { // scanline
+        vec3 pixelHigh = ((1.0 + BRIGHTBOOST) - (0.2 * texel)) * texel;
+        vec3 pixelLow  = ((1.0 - INTENSITY) + (0.1 * texel)) * texel;
+
+        vec2 coords = fract(screenCoords * virtualRes) * 2.0 - vec2(1.0);
+        float mask = 1.0 - abs(coords.y);
+
+        vec3 rasterizationColor = mix(pixelLow, pixelHigh, mask);
+        return mix(texel, rasterizationColor, intensity);
+    } else if (mode == 2) { // pixel
+        vec3 pixelHigh = ((1.0 + BRIGHTBOOST) - (0.2 * texel)) * texel;
+        vec3 pixelLow  = ((1.0 - INTENSITY) + (0.1 * texel)) * texel;
+
+        vec2 coords = fract(screenCoords * virtualRes) * 2.0 - vec2(1.0);
+        coords = coords * coords;
+        float mask = 1.0 - coords.x - coords.y;
+
+        vec3 rasterizationColor = mix(pixelLow, pixelHigh, mask);
+        return mix(texel, rasterizationColor, intensity);
+    } else if (mode == 3) { // subpixel
+        const float SUBPIXELS = 3.0;
+        vec3 offsets = vec3(3.141592654) * vec3(0.5, 0.5 - 2.0 / 3.0, 0.5 - 4.0 / 3.0);
+
+        vec2 omega = vec2(3.141592654) * vec2(2.0) * virtualRes;
+        vec2 angle = screenCoords * omega;
+        vec3 xfactors = (SUBPIXELS + sin(angle.x + offsets)) / (SUBPIXELS + 1.0);
+
+        vec3 result = texel * xfactors;
+        vec3 pixelHigh = ((1.0 + BRIGHTBOOST) - (0.2 * result)) * result;
+        vec3 pixelLow  = ((1.0 - INTENSITY) + (0.1 * result)) * result;
+
+        vec2 coords = fract(screenCoords * virtualRes) * 2.0 - vec2(1.0);
+        float mask = 1.0 - abs(coords.y);
+
+        vec3 rasterizationColor = mix(pixelLow, pixelHigh, mask);
+        return mix(texel, rasterizationColor, intensity);
+    }
+
+    return texel;
+}
+
+float randomPass(vec2 coords){
+    return fract(smoothstep(-120.0, 0.0, coords.y - (virtualResolution.y + 120.0) * fract(time * 0.15)));
+}
+
+vec2 barrel(vec2 v, vec2 cc) {
+    float distortion = dot(cc, cc) * screenCurvature;
+    return (v - cc * (1.0 + distortion) * distortion);
+}
+
+vec3 convertWithChroma(vec3 inColor) {
+    vec3 outColor = fontColor.rgb * rgb2grey(inColor);
+    if (chromaColor != 0.0) {
+        outColor = fontColor.rgb * mix(vec3(rgb2grey(inColor)), inColor, chromaColor);
+    }
+    return outColor;
+}
+
+void main() {
+    vec2 cc = vec2(0.5) - qt_TexCoord0;
+    float distance = length(cc);
+
+    vec2 staticCoords = barrel(qt_TexCoord0, cc);
+    vec2 coords = qt_TexCoord0;
+
+    float dst = sin((coords.y + time) * vDistortionFreq);
+    coords.x += dst * vDistortionScale;
+
+    vec4 noiseTexel = texture(noiseSource, scaleNoiseSize * coords + vec2(fract(time / 0.051), fract(time / 0.237)));
+
+    vec2 txt_coords = coords + (noiseTexel.ba - vec2(0.5)) * jitterDisplacement * jitter;
+
+    float color = 0.0001;
+    color += noiseTexel.a * staticNoise * (1.0 - distance * 1.3);
+    color += randomPass(coords * virtualResolution) * glowingLine;
+
+    vec3 txt_color = texture(screenBuffer, txt_coords).rgb;
+
+    if (burnIn > 0.0) {
+        vec4 txt_blur = texture(burnInSource, staticCoords);
+        float blurDecay = clamp((time - burnInLastUpdate) * burnInTime, 0.0, 1.0);
+        vec3 burnInColor = 0.65 * (txt_blur.rgb - vec3(blurDecay));
+        txt_color = max(txt_color, convertWithChroma(burnInColor));
+    }
+
+    txt_color += fontColor.rgb * vec3(color);
+    txt_color = applyRasterization(staticCoords, txt_color, virtualResolution, rasterizationIntensity, rasterizationMode);
+
+    vec3 finalColor = txt_color;
+    float brightness = mix(1.0, vBrightness, step(0.0, flickering));
+    finalColor *= brightness;
+
+    finalColor += vec3(ambientLight) * (1.0 - distance) * (1.0 - distance);
+
+    if (displayTerminalFrame > 0.0) {
+        vec4 frameColor = texture(frameSource, qt_TexCoord0);
+        finalColor = mix(finalColor, frameColor.rgb, frameColor.a);
+    }
+
+    fragColor = vec4(finalColor, qt_Opacity);
+}

app/shaders/terminal_dynamic.vert

@@ -0,0 +1,61 @@
+#version 440
+
+layout(location = 0) in vec4 qt_Vertex;
+layout(location = 1) in vec2 qt_MultiTexCoord0;
+
+layout(std140, binding = 0) uniform ubuf {
+    mat4 qt_Matrix;
+    float qt_Opacity;
+    float time;
+    vec4 fontColor;
+    vec4 backgroundColor;
+    float shadowLength;
+    vec2 virtualResolution;
+    float rasterizationIntensity;
+    int rasterizationMode;
+    float burnInLastUpdate;
+    float burnInTime;
+    float burnIn;
+    float staticNoise;
+    float screenCurvature;
+    float glowingLine;
+    float chromaColor;
+    vec2 jitterDisplacement;
+    float ambientLight;
+    float jitter;
+    float horizontalSync;
+    float horizontalSyncStrength;
+    float flickering;
+    float displayTerminalFrame;
+    vec2 scaleNoiseSize;
+    float screen_brightness;
+    float bloom;
+    float rbgShift;
+    float screenShadowCoeff;
+    float frameShadowCoeff;
+    vec4 frameColor;
+    vec2 margin;
+    float prevLastUpdate;
+};
+
+layout(binding = 0) uniform sampler2D noiseSource;
+
+layout(location = 0) out vec2 qt_TexCoord0;
+layout(location = 1) out float vBrightness;
+layout(location = 2) out float vDistortionScale;
+layout(location = 3) out float vDistortionFreq;
+
+void main() {
+    qt_TexCoord0 = qt_MultiTexCoord0;
+
+    vec2 coords = vec2(fract(time / 2.048), fract(time / 1048.576));
+    vec4 initialNoiseTexel = texture(noiseSource, coords);
+
+    vBrightness = 1.0 + (initialNoiseTexel.g - 0.5) * flickering;
+
+    float randval = horizontalSyncStrength - initialNoiseTexel.r;
+    vDistortionScale = step(0.0, randval) * randval * horizontalSyncStrength * horizontalSync;
+    vDistortionFreq = mix(4.0, 40.0, initialNoiseTexel.g) * step(0.0, horizontalSync);
+
+    gl_Position = qt_Matrix * qt_Vertex;
+}

app/shaders/terminal_frame.frag

@@ -0,0 +1,77 @@
+#version 440
+
+layout(location = 0) in vec2 qt_TexCoord0;
+layout(location = 0) out vec4 fragColor;
+
+layout(std140, binding = 0) uniform ubuf {
+    mat4 qt_Matrix;
+    float qt_Opacity;
+    float time;
+    vec4 fontColor;
+    vec4 backgroundColor;
+    float shadowLength;
+    vec2 virtualResolution;
+    float rasterizationIntensity;
+    int rasterizationMode;
+    float burnInLastUpdate;
+    float burnInTime;
+    float burnIn;
+    float staticNoise;
+    float screenCurvature;
+    float glowingLine;
+    float chromaColor;
+    vec2 jitterDisplacement;
+    float ambientLight;
+    float jitter;
+    float horizontalSync;
+    float horizontalSyncStrength;
+    float flickering;
+    float displayTerminalFrame;
+    vec2 scaleNoiseSize;
+    float screen_brightness;
+    float bloom;
+    float rbgShift;
+    float screenShadowCoeff;
+    float frameShadowCoeff;
+    vec4 frameColor;
+    vec2 margin;
+    float prevLastUpdate;
+};
+
+float min2(vec2 v) { return min(v.x, v.y); }
+float max2(vec2 v) { return max(v.x, v.y); }
+float prod2(vec2 v) { return v.x * v.y; }
+float sum2(vec2 v) { return v.x + v.y; }
+
+vec2 distortCoordinates(vec2 coords){
+    vec2 cc = (coords - vec2(0.5));
+    float dist = dot(cc, cc) * screenCurvature;
+    return (coords + cc * (1.0 + dist) * dist);
+}
+
+vec2 positiveLog(vec2 x) {
+    return clamp(log(x), vec2(0.0), vec2(100.0));
+}
+
+void main() {
+    vec2 staticCoords = qt_TexCoord0;
+    vec2 coords = distortCoordinates(staticCoords) * (vec2(1.0) + margin * 2.0) - margin;
+
+    vec2 vignetteCoords = staticCoords * (1.0 - staticCoords.yx);
+    float vignette = pow(prod2(vignetteCoords) * 15.0, 0.25);
+
+    vec3 color = frameColor.rgb * vec3(1.0 - vignette);
+    float alpha = 0.0;
+
+    float frameShadow = max2(positiveLog(-coords * frameShadowCoeff + vec2(1.0)) + positiveLog(coords * frameShadowCoeff - (vec2(frameShadowCoeff) - vec2(1.0))));
+    frameShadow = max(sqrt(frameShadow), 0.0);
+    color *= frameShadow;
+    alpha = sum2(1.0 - step(vec2(0.0), coords) + step(vec2(1.0), coords));
+    alpha = clamp(alpha, 0.0, 1.0);
+    alpha *= mix(1.0, 0.9, frameShadow);
+
+    float screenShadow = 1.0 - prod2(positiveLog(coords * screenShadowCoeff + vec2(1.0)) * positiveLog(-coords * screenShadowCoeff + vec2(screenShadowCoeff + 1.0)));
+    alpha = max(0.8 * screenShadow, alpha);
+
+    fragColor = vec4(color * alpha, alpha) * qt_Opacity;
+}

app/shaders/terminal_static.frag

@@ -0,0 +1,104 @@
+#version 440
+
+layout(location = 0) in vec2 qt_TexCoord0;
+layout(location = 0) out vec4 fragColor;
+
+layout(std140, binding = 0) uniform ubuf {
+    mat4 qt_Matrix;
+    float qt_Opacity;
+    float time;
+    vec4 fontColor;
+    vec4 backgroundColor;
+    float shadowLength;
+    vec2 virtualResolution;
+    float rasterizationIntensity;
+    int rasterizationMode;
+    float burnInLastUpdate;
+    float burnInTime;
+    float burnIn;
+    float staticNoise;
+    float screenCurvature;
+    float glowingLine;
+    float chromaColor;
+    vec2 jitterDisplacement;
+    float ambientLight;
+    float jitter;
+    float horizontalSync;
+    float horizontalSyncStrength;
+    float flickering;
+    float displayTerminalFrame;
+    vec2 scaleNoiseSize;
+    float screen_brightness;
+    float bloom;
+    float rbgShift;
+    float screenShadowCoeff;
+    float frameShadowCoeff;
+    vec4 frameColor;
+    vec2 margin;
+    float prevLastUpdate;
+};
+
+layout(binding = 1) uniform sampler2D source;
+layout(binding = 2) uniform sampler2D bloomSource;
+
+float sum2(vec2 v) { return v.x + v.y; }
+float rgb2grey(vec3 v) { return dot(v, vec3(0.21, 0.72, 0.04)); }
+
+vec3 convertWithChroma(vec3 inColor) {
+    vec3 outColor = fontColor.rgb * rgb2grey(inColor);
+    if (chromaColor != 0.0) {
+        outColor = fontColor.rgb * mix(vec3(rgb2grey(inColor)), inColor, chromaColor);
+    }
+    return outColor;
+}
+
+void main() {
+    vec2 cc = vec2(0.5) - qt_TexCoord0;
+
+    vec2 txt_coords = qt_TexCoord0;
+    if (screenCurvature != 0.0) {
+        float distortion = dot(cc, cc) * screenCurvature;
+        vec2 curvatureCoords = (qt_TexCoord0 - cc * (1.0 + distortion) * distortion);
+        txt_coords = -2.0 * curvatureCoords + 3.0 * step(vec2(0.0), curvatureCoords) * curvatureCoords - 3.0 * step(vec2(1.0), curvatureCoords) * curvatureCoords;
+    }
+
+    vec3 txt_color = texture(source, txt_coords).rgb;
+
+    if (rbgShift != 0.0) {
+        vec2 displacement = vec2(12.0, 0.0) * rbgShift;
+        vec3 rightColor = texture(source, txt_coords + displacement).rgb;
+        vec3 leftColor = texture(source, txt_coords - displacement).rgb;
+        txt_color.r = leftColor.r * 0.10 + rightColor.r * 0.30 + txt_color.r * 0.60;
+        txt_color.g = leftColor.g * 0.20 + rightColor.g * 0.20 + txt_color.g * 0.60;
+        txt_color.b = leftColor.b * 0.30 + rightColor.b * 0.10 + txt_color.b * 0.60;
+    }
+
+    txt_color += vec3(0.0001);
+    float greyscale_color = rgb2grey(txt_color);
+
+    float reflectionMask = 1.0;
+    if (screenCurvature != 0.0) {
+        float distortion = dot(cc, cc) * screenCurvature;
+        vec2 curvatureCoords = (qt_TexCoord0 - cc * (1.0 + distortion) * distortion);
+        reflectionMask = sum2(step(vec2(0.0), curvatureCoords) - step(vec2(1.0), curvatureCoords));
+        reflectionMask = clamp(reflectionMask, 0.0, 1.0);
+    }
+
+    vec3 finalColor;
+    if (chromaColor != 0.0) {
+        vec3 foregroundColor = mix(fontColor.rgb, txt_color * fontColor.rgb / greyscale_color, chromaColor);
+        finalColor = mix(backgroundColor.rgb, foregroundColor, greyscale_color * reflectionMask);
+    } else {
+        finalColor = mix(backgroundColor.rgb, fontColor.rgb, greyscale_color * reflectionMask);
+    }
+
+    if (bloom != 0.0) {
+        vec4 bloomFullColor = texture(bloomSource, txt_coords);
+        vec3 bloomColor = convertWithChroma(bloomFullColor.rgb);
+        float bloomAlpha = bloomFullColor.a;
+        finalColor += clamp(bloomColor * bloom * bloomAlpha, 0.0, 0.5);
+    }
+
+    finalColor *= screen_brightness;
+    fragColor = vec4(finalColor, qt_Opacity);
+}