mirror of
https://github.com/Swordfish90/cool-retro-term.git
synced 2025-01-31 10:11:20 +00:00
443 lines
15 KiB
QML
443 lines
15 KiB
QML
/*******************************************************************************
|
|
* Copyright (c) 2013 "Filippo Scognamiglio"
|
|
* https://github.com/Swordfish90/cool-retro-term
|
|
*
|
|
* This file is part of cool-retro-term.
|
|
*
|
|
* cool-retro-term is free software: you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License as published by
|
|
* the Free Software Foundation, either version 3 of the License, or
|
|
* (at your option) any later version.
|
|
*
|
|
* This program is distributed in the hope that it will be useful,
|
|
* but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
* GNU General Public License for more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*******************************************************************************/
|
|
|
|
import QtQuick 2.2
|
|
import QtGraphicalEffects 1.0
|
|
import QtQuick.Controls 1.1
|
|
|
|
import org.crt.konsole 0.1
|
|
|
|
Item{
|
|
id: terminalContainer
|
|
|
|
//Frame displacement properties. This makes the terminal the same size of the texture.
|
|
property real dtop: frame.item.displacementTop
|
|
property real dleft:frame.item.displacementLeft
|
|
property real dright: frame.item.displacementRight
|
|
property real dbottom: frame.item.displacementBottom
|
|
|
|
anchors.leftMargin: dleft
|
|
anchors.rightMargin: dright
|
|
anchors.topMargin: dtop
|
|
anchors.bottomMargin: dbottom
|
|
|
|
property variant theSource: mBlur !== 0 ? blurredSourceLoader.item : kterminalSource
|
|
property variant bloomSource: bloomSourceLoader.item
|
|
property variant rasterizationSource: rasterizationEffectSource
|
|
property variant staticNoiseSource: staticNoiseSource
|
|
|
|
property alias kterminal: kterminal
|
|
|
|
signal sizeChanged
|
|
onWidthChanged: sizeChanged()
|
|
onHeightChanged: sizeChanged()
|
|
|
|
//The blur effect has to take into account the framerate
|
|
property int fps: shadersettings.fps !== 0 ? shadersettings.fps : 60
|
|
property real fpsAttenuation: Math.sqrt(60 / fps)
|
|
property real mBlur: shadersettings.motion_blur
|
|
property real motionBlurCoefficient: (_maxBlurCoefficient * mBlur + _minBlurCoefficient * (1 - mBlur))
|
|
property real _minBlurCoefficient: 0.70
|
|
property real _maxBlurCoefficient: 0.90
|
|
|
|
property real mBloom: shadersettings.bloom_strength
|
|
property int mScanlines: shadersettings.rasterization
|
|
onMScanlinesChanged: restartBlurredSource()
|
|
|
|
property size terminalSize: kterminal.terminalSize
|
|
property size paintedTextSize
|
|
|
|
onMBlurChanged: restartBlurredSource()
|
|
|
|
function restartBlurredSource(){
|
|
if(!blurredSourceLoader.item) return;
|
|
blurredSourceLoader.item.restartBlurSource();
|
|
}
|
|
function pasteClipboard(){
|
|
kterminal.pasteClipboard();
|
|
}
|
|
function copyClipboard(){
|
|
kterminal.copyClipboard();
|
|
}
|
|
|
|
//When settings are updated sources need to be redrawn.
|
|
Connections{
|
|
target: shadersettings
|
|
onFontScalingChanged: terminalContainer.updateSources();
|
|
onFontWidthChanged: terminalContainer.updateSources();
|
|
}
|
|
Connections{
|
|
target: terminalContainer
|
|
onWidthChanged: terminalContainer.updateSources();
|
|
onHeightChanged: terminalContainer.updateSources();
|
|
}
|
|
function updateSources() {
|
|
kterminal.update();
|
|
kterminal.updateImage();
|
|
}
|
|
|
|
|
|
KTerminal {
|
|
id: kterminal
|
|
width: parent.width
|
|
height: parent.height
|
|
|
|
colorScheme: "cool-retro-term"
|
|
|
|
smooth: false
|
|
|
|
session: KSession {
|
|
id: ksession
|
|
kbScheme: "xterm"
|
|
|
|
onFinished: {
|
|
Qt.quit()
|
|
}
|
|
}
|
|
|
|
FontLoader{ id: fontLoader }
|
|
Text{id: fontMetrics; text: "B"; visible: false}
|
|
|
|
function handleFontChange(fontSource, pixelSize, lineSpacing, screenScaling){
|
|
fontLoader.source = fontSource;
|
|
font.pixelSize = pixelSize;
|
|
font.family = fontLoader.name;
|
|
|
|
var fontWidth = 1.0 / shadersettings.fontWidth;
|
|
|
|
width = Qt.binding(function() {return Math.floor(fontWidth * terminalContainer.width / screenScaling);});
|
|
height = Qt.binding(function() {return Math.floor(terminalContainer.height / screenScaling);});
|
|
|
|
var scaleTexture = Math.max(Math.round(screenScaling / shadersettings.scanline_quality), 1.0);
|
|
|
|
kterminalSource.textureSize = Qt.binding(function () {
|
|
return Qt.size(kterminal.width * scaleTexture, kterminal.height * scaleTexture);
|
|
});
|
|
|
|
setLineSpacing(lineSpacing);
|
|
update();
|
|
restartBlurredSource();
|
|
}
|
|
Component.onCompleted: {
|
|
shadersettings.terminalFontChanged.connect(handleFontChange);
|
|
|
|
// Retrieve the variable set in main.cpp if arguments are passed.
|
|
if (shellProgram)
|
|
ksession.setShellProgram(shellProgram);
|
|
if (workdir)
|
|
ksession.initialWorkingDirectory = workdir;
|
|
|
|
ksession.startShellProgram();
|
|
forceActiveFocus();
|
|
}
|
|
}
|
|
Menu{
|
|
id: contextmenu
|
|
MenuItem{action: copyAction}
|
|
MenuItem{action: pasteAction}
|
|
MenuSeparator{visible: Qt.platform.os !== "osx"}
|
|
MenuItem{action: fullscreenAction; visible: Qt.platform.os !== "osx"}
|
|
MenuItem{action: showMenubarAction; visible: Qt.platform.os !== "osx"}
|
|
MenuSeparator{visible: !shadersettings.showMenubar}
|
|
CRTMainMenuBar{visible: !shadersettings.showMenubar}
|
|
}
|
|
MouseArea{
|
|
acceptedButtons: Qt.LeftButton | Qt.MiddleButton | Qt.RightButton
|
|
anchors.fill: parent
|
|
onWheel:{
|
|
if(wheel.modifiers & Qt.ControlModifier){
|
|
wheel.angleDelta.y > 0 ? zoomIn.trigger() : zoomOut.trigger();
|
|
} else {
|
|
var coord = correctDistortion(wheel.x, wheel.y);
|
|
var lines = wheel.angleDelta.y > 0 ? -1 : 1;
|
|
kterminal.scrollWheelEvent(coord, lines);
|
|
}
|
|
}
|
|
onDoubleClicked: {
|
|
var coord = correctDistortion(mouse.x, mouse.y);
|
|
kterminal.mouseDoubleClickEvent(coord, mouse.button, mouse.modifiers);
|
|
}
|
|
onPressed: {
|
|
if((!kterminal.usesMouse || mouse.modifiers & Qt.ShiftModifier) && mouse.button == Qt.RightButton) {
|
|
contextmenu.popup();
|
|
} else {
|
|
var coord = correctDistortion(mouse.x, mouse.y);
|
|
kterminal.mousePressEvent(coord, mouse.button, mouse.modifiers)
|
|
}
|
|
}
|
|
onReleased: {
|
|
var coord = correctDistortion(mouse.x, mouse.y);
|
|
kterminal.mouseReleaseEvent(coord, mouse.button, mouse.modifiers);
|
|
}
|
|
onPositionChanged: {
|
|
var coord = correctDistortion(mouse.x, mouse.y);
|
|
kterminal.mouseMoveEvent(coord, mouse.button, mouse.buttons, mouse.modifiers);
|
|
}
|
|
|
|
function correctDistortion(x, y){
|
|
x = x / width;
|
|
y = y / height;
|
|
|
|
var cc = Qt.size(0.5 - x, 0.5 - y);
|
|
var distortion = (cc.height * cc.height + cc.width * cc.width) * shadersettings.screen_distortion;
|
|
|
|
return Qt.point((x - cc.width * (1+distortion) * distortion) * kterminal.width,
|
|
(y - cc.height * (1+distortion) * distortion) * kterminal.height)
|
|
}
|
|
}
|
|
ShaderEffectSource{
|
|
id: kterminalSource
|
|
sourceItem: kterminal
|
|
hideSource: true
|
|
wrapMode: ShaderEffectSource.ClampToEdge
|
|
live: false
|
|
|
|
signal sourceUpdate
|
|
|
|
Connections{
|
|
target: kterminal
|
|
onUpdatedImage:{
|
|
kterminalSource.scheduleUpdate();
|
|
kterminalSource.sourceUpdate();
|
|
}
|
|
}
|
|
}
|
|
Loader{
|
|
id: blurredSourceLoader
|
|
asynchronous: true
|
|
active: mBlur !== 0
|
|
|
|
sourceComponent: ShaderEffectSource{
|
|
id: _blurredSourceEffect
|
|
sourceItem: blurredTerminalLoader.item
|
|
recursive: true
|
|
live: false
|
|
hideSource: true
|
|
wrapMode: kterminalSource.wrapMode
|
|
|
|
function restartBlurSource(){
|
|
livetimer.restart();
|
|
}
|
|
|
|
Timer{
|
|
id: livetimer
|
|
running: true
|
|
onRunningChanged: {
|
|
running ?
|
|
timeBinding.target = timeManager :
|
|
timeBinding.target = null
|
|
}
|
|
}
|
|
Connections{
|
|
id: timeBinding
|
|
target: timeManager
|
|
onTimeChanged: {
|
|
_blurredSourceEffect.scheduleUpdate();
|
|
}
|
|
}
|
|
Connections{
|
|
target: kterminalSource
|
|
onSourceUpdate:{
|
|
livetimer.restart();
|
|
}
|
|
}
|
|
Connections{
|
|
target: shadersettings
|
|
onScanline_qualityChanged: restartBlurredSource();
|
|
}
|
|
}
|
|
}
|
|
|
|
Loader{
|
|
id: blurredTerminalLoader
|
|
width: kterminalSource.textureSize.width
|
|
height: kterminalSource.textureSize.height
|
|
active: mBlur !== 0
|
|
asynchronous: true
|
|
|
|
sourceComponent: ShaderEffect {
|
|
property variant txt_source: kterminalSource
|
|
property variant blurredSource: blurredSourceLoader.item
|
|
property real blurCoefficient: (1.0 - motionBlurCoefficient) * fpsAttenuation
|
|
|
|
blending: false
|
|
|
|
fragmentShader:
|
|
"uniform lowp float qt_Opacity;" +
|
|
"uniform lowp sampler2D txt_source;" +
|
|
|
|
"varying highp vec2 qt_TexCoord0;
|
|
|
|
uniform lowp sampler2D blurredSource;
|
|
uniform highp float blurCoefficient;" +
|
|
|
|
"float rgb2grey(vec3 v){
|
|
return dot(v, vec3(0.21, 0.72, 0.04));
|
|
}" +
|
|
|
|
"void main() {" +
|
|
"vec2 coords = qt_TexCoord0;" +
|
|
"vec3 color = texture2D(txt_source, coords).rgb * 256.0;" +
|
|
|
|
"vec3 blur_color = texture2D(blurredSource, coords).rgb * 256.0;" +
|
|
"blur_color = blur_color - blur_color * blurCoefficient;" +
|
|
"color = step(vec3(1.0), color) * color + step(color, vec3(1.0)) * blur_color;" +
|
|
|
|
"gl_FragColor = vec4(floor(color) / 256.0, 1.0);" +
|
|
"}"
|
|
|
|
onStatusChanged: if (log) console.log(log) //Print warning messages
|
|
}
|
|
}
|
|
///////////////////////////////////////////////////////////////////////////
|
|
// EFFECTS //////////////////////////////////////////////////////////////
|
|
///////////////////////////////////////////////////////////////////////////
|
|
|
|
// BLOOM ////////////////////////////////////////////////////////////////
|
|
|
|
Loader{
|
|
property real scaling: shadersettings.bloom_quality
|
|
id: bloomEffectLoader
|
|
active: mBloom != 0
|
|
asynchronous: true
|
|
width: parent.width * scaling
|
|
height: parent.height * scaling
|
|
sourceComponent: FastBlur{
|
|
radius: 48 * scaling
|
|
source: kterminal
|
|
transparentBorder: true
|
|
}
|
|
}
|
|
Loader{
|
|
id: bloomSourceLoader
|
|
active: mBloom != 0
|
|
asynchronous: true
|
|
sourceComponent: ShaderEffectSource{
|
|
id: _bloomEffectSource
|
|
sourceItem: bloomEffectLoader.item
|
|
hideSource: true
|
|
live: false
|
|
smooth: true
|
|
Connections{
|
|
target: kterminalSource
|
|
onSourceUpdate: _bloomEffectSource.scheduleUpdate();
|
|
}
|
|
}
|
|
}
|
|
|
|
// NOISE ////////////////////////////////////////////////////////////////
|
|
|
|
ShaderEffect {
|
|
id: staticNoiseEffect
|
|
anchors.fill: parent
|
|
property real element_size: shadersettings.rasterization == shadersettings.no_rasterization ? 2 : 1
|
|
property size virtual_resolution: Qt.size(kterminal.width / element_size, kterminal.height / element_size)
|
|
|
|
blending: false
|
|
|
|
fragmentShader:
|
|
"uniform lowp float qt_Opacity;
|
|
varying highp vec2 qt_TexCoord0;
|
|
uniform highp vec2 virtual_resolution;" +
|
|
|
|
"highp float noise(vec2 co)
|
|
{
|
|
highp float a = 12.9898;
|
|
highp float b = 78.233;
|
|
highp float c = 43758.5453;
|
|
highp float dt= dot(co.xy ,vec2(a,b));
|
|
highp float sn= mod(dt,3.14);
|
|
return fract(sin(sn) * c);
|
|
}
|
|
|
|
vec2 sw(vec2 p) {return vec2( floor(p.x) , floor(p.y) );}
|
|
vec2 se(vec2 p) {return vec2( ceil(p.x) , floor(p.y) );}
|
|
vec2 nw(vec2 p) {return vec2( floor(p.x) , ceil(p.y) );}
|
|
vec2 ne(vec2 p) {return vec2( ceil(p.x) , ceil(p.y) );}
|
|
|
|
float smoothNoise(vec2 p) {
|
|
vec2 inter = smoothstep(0., 1., fract(p));
|
|
float s = mix(noise(sw(p)), noise(se(p)), inter.x);
|
|
float n = mix(noise(nw(p)), noise(ne(p)), inter.x);
|
|
return mix(s, n, inter.y);
|
|
}" +
|
|
|
|
"void main() {" +
|
|
"gl_FragColor.a = smoothNoise(qt_TexCoord0 * virtual_resolution);" +
|
|
"}"
|
|
|
|
onStatusChanged: if (log) console.log(log) //Print warning messages
|
|
}
|
|
ShaderEffectSource{
|
|
id: staticNoiseSource
|
|
sourceItem: staticNoiseEffect
|
|
textureSize: Qt.size(parent.width, parent.height)
|
|
wrapMode: ShaderEffectSource.Repeat
|
|
smooth: true
|
|
hideSource: true
|
|
}
|
|
|
|
// RASTERIZATION //////////////////////////////////////////////////////////
|
|
|
|
ShaderEffect {
|
|
id: rasterizationEffect
|
|
width: parent.width
|
|
height: parent.height
|
|
property size virtual_resolution: Qt.size(kterminal.width, kterminal.height)
|
|
|
|
blending: false
|
|
|
|
fragmentShader:
|
|
"uniform lowp float qt_Opacity;" +
|
|
|
|
"varying highp vec2 qt_TexCoord0;
|
|
uniform highp vec2 virtual_resolution;
|
|
|
|
highp float getScanlineIntensity(vec2 coords) {
|
|
highp float result = 1.0;" +
|
|
|
|
(mScanlines != shadersettings.no_rasterization ?
|
|
"result *= abs(sin(coords.y * virtual_resolution.y * "+Math.PI+"));" : "") +
|
|
(mScanlines == shadersettings.pixel_rasterization ?
|
|
"result *= abs(sin(coords.x * virtual_resolution.x * "+Math.PI+"));" : "") + "
|
|
|
|
return result;
|
|
}" +
|
|
|
|
"void main() {" +
|
|
"highp float color = getScanlineIntensity(qt_TexCoord0);" +
|
|
|
|
"float distance = length(vec2(0.5) - qt_TexCoord0);" +
|
|
"color = mix(color, 0.0, 1.2 * distance * distance);" +
|
|
|
|
"gl_FragColor.a = color;" +
|
|
"}"
|
|
|
|
onStatusChanged: if (log) console.log(log) //Print warning messages
|
|
}
|
|
ShaderEffectSource{
|
|
id: rasterizationEffectSource
|
|
sourceItem: rasterizationEffect
|
|
hideSource: true
|
|
smooth: true
|
|
wrapMode: ShaderEffectSource.Repeat
|
|
}
|
|
}
|