Update QMLTermWidget submodule.

Improve rasterization and terminal frame. Some refactoring.

README.md

@@ -8,7 +8,7 @@
 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) developed by me: https://github.com/Swordfish90/qmltermwidget.
 
 This terminal emulator works under Linux and macOS and requires Qt 5.2 or higher.
 
@@ -51,9 +51,13 @@ Users of **Ubuntu 14.04 LTS (Trusty) up to 15.10 (Wily)** can use [this PPA](htt
 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:
+**macOS** users can grab the latest dmg from the [release page](https://github.com/Swordfish90/cool-retro-term/releases) or install via Homebrew or MacPorts:
 ```
-brew cask install cool-retro-term
+brew install cool-retro-term --cask
+```
+or
+```
+port install cool-retro-term
 ```
 
 **FreeBSD** users can install cool-retro-term with `pkg`:
@@ -202,10 +206,10 @@ open cool-retro-term.app
 **Homebrew**
 
 ```sh
-brew cask install cool-retro-term
+brew install cool-retro-term --cask
 ```
 
 ## 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).
+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/../

app/main.cpp

@@ -6,11 +6,13 @@
 
 #include <QtWidgets/QApplication>
 #include <QIcon>
+#include <QQuickStyle>
 
 #include <QDebug>
 #include <stdlib.h>
 
 #include <QFontDatabase>
+#include <QLoggingCategory>
 
 #include <fileio.h>
 #include <monospacefontmanager.h>
@@ -33,6 +35,9 @@ int main(int argc, char *argv[])
     // This disables QT appmenu under Ubuntu, which is not working with QML apps.
     setenv("QT_QPA_PLATFORMTHEME", "", 1);
 
+    // Disable Connections slot warnings
+    QLoggingCategory::setFilterRules("qt.qml.connections.warning=false");
+
 #if defined (Q_OS_LINUX)
     setenv("QSG_RENDER_LOOP", "threaded", 0);
 #endif
@@ -42,6 +47,9 @@ int main(int argc, char *argv[])
     setenv("LC_CTYPE", "UTF-8", 1);
 #endif
 
+    // Force fusion style on every platform
+    QQuickStyle::setStyle("Fusion");
+
     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;
@@ -65,9 +73,7 @@ int main(int argc, char *argv[])
     }
 
     QApplication app(argc, argv);
-    // set application attributes
-    // Has no effects, see https://bugreports.qt.io/browse/QTBUG-51293
-    // app.setAttribute(Qt::AA_MacDontSwapCtrlAndMeta, true);
+    app.setAttribute(Qt::AA_MacDontSwapCtrlAndMeta, true);
 
     QQmlApplicationEngine engine;
     FileIO fileIO;

app/qml/ApplicationSettings.qml

@@ -34,6 +34,8 @@ QtObject {
     readonly property real minBurnInFadeTime: 160
     readonly property real maxBurnInFadeTime: 1600
 
+    property bool isMacOS: Qt.platform.os === "osx"
+
     // GENERAL SETTINGS ///////////////////////////////////////////////////////
     property int x: 100
     property int y: 100
@@ -41,7 +43,7 @@ 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"
 
@@ -52,9 +54,7 @@ QtObject {
     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"
+                }
             }
         ]
 
@@ -229,9 +242,7 @@ QtObject {
             "bloomQuality": bloomQuality,
             "burnInQuality": burnInQuality,
             "useCustomCommand": useCustomCommand,
-            "customCommand": customCommand,
-            "useFastBurnIn": useFastBurnIn,
-            "blinkingCursor": blinkingCursor
+            "customCommand": customCommand
         }
         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
     }
@@ -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;
-        lastUpdate = timeManager.time;
-        item.source.scheduleUpdate();
+        let newTime = timeManager.time
+        if (newTime > lastUpdate) {
+            prevLastUpdate = lastUpdate
+            lastUpdate = newTime
+        }
+
+        item.source.scheduleUpdate()
     }
 
-    function restartBlurSource(){
-        prevLastUpdate = timeManager.time;
-        lastUpdate = prevLastUpdate;
-        completelyUpdate();
+    function restartBlurSource() {
+        prevLastUpdate = timeManager.time
+        lastUpdate = prevLastUpdate
+        completelyUpdate()
     }
 
     sourceComponent: Item {
@@ -72,23 +75,37 @@ Loader {
 
             Connections {
                 target: kterminal
-                onImagePainted: completelyUpdate()
+
+                function 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
-                onOpacityChanged: completelyUpdate()
+                target: appSettings
+
+                function onBurnInChanged() {
+                    burnInEffect.restartBlurSource()
+                }
+
+                function onTerminalFontChanged() {
+                    burnInEffect.restartBlurSource()
+                }
+
+                function onRasterizationChanged() {
+                    burnInEffect.restartBlurSource()
+                }
+
+                function onBurnInQualityChanged() {
+                    burnInEffect.restartBlurSource()
+                }
             }
         }
 
+        ShaderLibrary {
+            id: shaderLibrary
+        }
+
         ShaderEffect {
             id: burnInShaderEffect
 
@@ -118,9 +135,7 @@ Loader {
 
                  uniform highp float prevLastUpdate;" +
 
-                "float rgb2grey(vec3 v){
-                    return dot(v, vec3(0.21, 0.72, 0.04));
-                }" +
+                shaderLibrary.rgb2grey +
 
                 "void main() {
                     vec2 coords = qt_TexCoord0;

app/qml/ColorButton.qml

@@ -34,10 +34,8 @@ Item {
         visible: false
 
         //This is a workaround to a Qt 5.2 bug.
-        onColorChanged: if (Qt.platform.os !== "osx")
-                            colorSelected(color)
-        onAccepted: if (Qt.platform.os === "osx")
-                        colorSelected(color)
+        onColorChanged: if (!appSettings.isMacOS) colorSelected(color)
+        onAccepted: if (appSettings.isMacOS) colorSelected(color)
     }
     Rectangle {
         anchors.fill: parent

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/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();
+
+        function onTriggered() {
+            kterminal.copyClipboard()
+        }
     }
-    Connections{
+    Connections {
         target: pasteAction
-        onTriggered: kterminal.pasteClipboard()
+
+        function onTriggered() {
+            kterminal.pasteClipboard()
+        }
     }
 
     //When settings are updated sources need to be redrawn.
-    Connections{
+    Connections {
         target: appSettings
-        onFontScalingChanged: terminalContainer.updateSources();
-        onFontWidthChanged: terminalContainer.updateSources();
+
+        function onFontScalingChanged() {
+            terminalContainer.updateSources()
+        }
+
+        function onFontWidthChanged() {
+            terminalContainer.updateSources()
+        }
     }
-    Connections{
+    Connections {
         target: terminalContainer
-        onWidthChanged: terminalContainer.updateSources();
-        onHeightChanged: terminalContainer.updateSources();
+
+        function onWidthChanged() {
+            terminalContainer.updateSources()
+        }
+
+        function onHeightChanged() {
+            terminalContainer.updateSources()
+        }
     }
+    Connections {
+        target: terminalWindow
+
+        function 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"]);
             }
@@ -173,12 +198,12 @@ 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{
-        property real margin: appSettings.margin
+    MouseArea {
+        property real margin: appSettings.totalMargin
 
         acceptedButtons: Qt.LeftButton | Qt.MiddleButton | Qt.RightButton
         anchors.fill: parent
@@ -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,
-                           (y - cc.height * (1+distortion) * distortion) * kterminal.totalHeight)
+            return Qt.point((x - cc.width  * (1+distortion) * distortion) * (kterminal.totalWidth),
+                           (y - cc.height * (1+distortion) * distortion) * (kterminal.totalHeight))
         }
     }
     ShaderEffectSource{
@@ -250,9 +275,5 @@ Item{
         BurnInEffect {
             id: burnInEffect
         }
-
-        SlowBurnIn {
-            id: slowBurnInEffect
-        }
     }
 }

app/qml/SettingsAdvancedTab.qml

@@ -154,12 +154,6 @@ ColumnLayout {
             Label {
                 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/SettingsGeneralTab.qml

@@ -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
             }
         }
     }

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()
+
+                    function onTerminalFontChanged() {
+                        fontChanger.updateIndex()
+                    }
                 }
                 Component.onCompleted: updateIndex()
             }

app/qml/SettingsWindow.qml

@@ -27,42 +27,49 @@ import QtQuick.Dialogs 1.1
 Window {
     id: settings_window
     title: qsTr("Settings")
-    width: 800
-    height: 600
+    width: 600
+    height: 480
 
     property int tabmargins: 15
 
-    TabBar {
-        id: bar
-        width: parent.width
-        TabButton {
-            text: qsTr("General")
-        }
-        TabButton {
-            text: qsTr("Terminal")
-        }
-        TabButton {
-            text: qsTr("Effects")
-        }
-        TabButton {
-            text: qsTr("Advanced")
-        }
-    }
+    Item {
+        anchors { fill: parent;  margins: tabmargins }
 
-    StackLayout {
-        anchors {
-            top: bar.bottom
-            left: parent.left
-            right: parent.right
-            bottom: parent.bottom
-            margins: tabmargins
+        TabBar {
+            id: bar
+            anchors { left: parent.left; right: parent.right; top: parent.top; }
+            TabButton {
+                text: qsTr("General")
+            }
+            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 { }
-        SettingsTerminalTab { }
-        SettingsEffectsTab { }
-        SettingsAdvancedTab { }
+            StackLayout {
+                anchors.fill: parent
+
+                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

@@ -24,7 +24,6 @@ import QtGraphicalEffects 1.0
 import "utils.js" as Utils
 
 Item {
-    property SlowBurnIn slowBurnInEffect
     property ShaderEffectSource source
     property BurnInEffect burnInEffect
     property ShaderEffectSource bloomSource
@@ -38,11 +37,19 @@ Item {
 
     property real ambientLight: appSettings.ambientLight * 0.2
 
-    property size virtual_resolution
+    property size virtualResolution
+    property size screenResolution
+
+    property real _screenDensity: Math.min(
+        screenResolution.width / virtualResolution.width,
+        screenResolution.height / virtualResolution.height
+    )
 
      ShaderEffect {
          id: dynamicShader
 
+         property ShaderLibrary shaderLibrary: ShaderLibrary { }
+
          property ShaderEffectSource screenBuffer: frameBuffer
          property ShaderEffectSource burnInSource: burnInEffect.source
          property ShaderEffectSource frameSource: terminalFrameLoader.item
@@ -59,22 +66,24 @@ Item {
          property real glowingLine: appSettings.glowingLine * 0.2
 
          // Fast burnin properties
-         property real burnIn: appSettings.useFastBurnIn ? appSettings.burnIn : 0
+         property real burnIn: appSettings.burnIn
          property real burnInLastUpdate: burnInEffect.lastUpdate
          property real burnInTime: burnInEffect.burnInFadeTime
 
-         // Slow burnin properties
-         property real slowBurnIn: appSettings.useFastBurnIn ? 0 : appSettings.burnIn
-         property ShaderEffectSource slowBurnInSource: slowBurnInEffect.source
-
          property real jitter: appSettings.jitter
          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 staticNoise: appSettings.staticNoise
-         property size scaleNoiseSize: Qt.size((width) / (noiseTexture.width * appSettings.windowScaling * appSettings.totalFontScaling),
-                                               (height) / (noiseTexture.height * appSettings.windowScaling * appSettings.totalFontScaling))
+         property size scaleNoiseSize: Qt.size((width * 0.75) / (noiseTexture.width * appSettings.windowScaling * appSettings.totalFontScaling),
+                                               (height * 0.75) / (noiseTexture.height * appSettings.windowScaling * appSettings.totalFontScaling))
 
-         property size virtual_resolution: parent.virtual_resolution
+         property size virtualResolution: parent.virtualResolution
+
+         // Rasterization might display oversamping issues if virtual resolution is close to physical display resolution.
+         // We progressively disable rasterization from 4x up to 2x resolution.
+         property real rasterizationIntensity: Utils.smoothstep(2.0, 4.0, _screenDensity)
+
+         property real displayTerminalFrame: appSettings._frameMargin > 0 || appSettings.screenCurvature > 0
 
          property real time: timeManager.time
          property ShaderEffectSource noiseSource: noiseShaderSource
@@ -164,23 +173,22 @@ Item {
              uniform highp vec4 backgroundColor;
              uniform lowp float shadowLength;
 
-             uniform highp vec2 virtual_resolution;" +
+             uniform highp vec2 virtualResolution;
+             uniform lowp float rasterizationIntensity;\n" +
 
              (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))) ? "
+             (((staticNoise !== 0 || jitter !== 0) ||(fallBack && (flickering || horizontalSync))) ? "
                  uniform lowp sampler2D noiseSource;
                  uniform highp vec2 scaleNoiseSize;" : "") +
-             (screenCurvature !== 0 ? "
-                 uniform highp float screenCurvature;
+             (displayTerminalFrame ? "
                  uniform lowp sampler2D frameSource;" : "") +
+             (screenCurvature !== 0 ? "
+                 uniform highp float screenCurvature;" : "") +
              (glowingLine !== 0 ? "
                  uniform highp float glowingLine;" : "") +
              (chromaColor !== 0 ? "
@@ -203,17 +211,14 @@ Item {
 
              (glowingLine !== 0 ? "
                  float randomPass(vec2 coords){
-                     return fract(smoothstep(-120.0, 0.0, coords.y - (virtual_resolution.y + 120.0) * fract(time * 0.00015)));
+                     return fract(smoothstep(-120.0, 0.0, coords.y - (virtualResolution.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));
-             }
+             shaderLibrary.min2 +
+             shaderLibrary.rgb2grey +
+             shaderLibrary.rasterizationShader +
 
+             "
              float isInScreen(vec2 v) {
                  return min2(step(0.0, v) - step(1.0, v));
              }
@@ -291,7 +296,7 @@ Item {
                      color += noiseVal * noise * (1.0 - distance * 1.3);" : "") +
 
                  (glowingLine !== 0 ? "
-                     color += randomPass(coords * virtual_resolution) * glowingLine;" : "") +
+                     color += randomPass(coords * virtualResolution) * glowingLine;" : "") +
 
                  "vec3 txt_color = texture2D(screenBuffer, txt_coords).rgb;" +
 
@@ -302,13 +307,10 @@ Item {
                      txt_color = max(txt_color, convertWithChroma(burnInColor));"
                  : "") +
 
-                 (slowBurnIn !== 0 ? "
-                     vec4 txt_blur = texture2D(slowBurnInSource, staticCoords);
-                     txt_color = max(txt_color, convertWithChroma(txt_blur.rgb * txt_blur.a));
-                 " : "") +
-
                   "txt_color += fontColor.rgb * vec3(color);" +
 
+                  "txt_color = applyRasterization(staticCoords, txt_color, virtualResolution, rasterizationIntensity);\n" +
+
                  "vec3 finalColor = txt_color;" +
 
                  (flickering !== 0 ? "
@@ -317,7 +319,7 @@ Item {
                  (ambientLight !== 0 ? "
                      finalColor += vec3(ambientLight) * (1.0 - distance) * (1.0 - distance);" : "") +
 
-                 (screenCurvature !== 0 ?
+                 (displayTerminalFrame ?
                     "vec4 frameColor = texture2D(frameSource, qt_TexCoord0);
                      finalColor = mix(finalColor, frameColor.rgb, frameColor.a);"
                  : "") +
@@ -340,7 +342,7 @@ Item {
      Loader {
          id: terminalFrameLoader
 
-         active: screenCurvature !== 0
+         active: dynamicShader.displayTerminalFrame
 
          width: staticShader.width
          height: staticShader.height
@@ -352,7 +354,7 @@ Item {
              visible: false
              format: ShaderEffectSource.RGBA
 
-             NewTerminalFrame {
+             TerminalFrame {
                  id: terminalFrame
                  blending: false
                  anchors.fill: parent
@@ -360,6 +362,10 @@ Item {
          }
      }
 
+     ShaderLibrary {
+         id: shaderLibrary
+     }
+
      ShaderEffect {
          id: staticShader
 
@@ -385,7 +391,7 @@ Item {
 
          property real ambientLight: parent.ambientLight
 
-         property size virtual_resolution: parent.virtual_resolution
+         property size virtualResolution: parent.virtualResolution
 
          blending: false
          visible: false
@@ -408,7 +414,7 @@ Item {
              uniform highp vec4 backgroundColor;
              uniform lowp float screen_brightness;
 
-             uniform highp vec2 virtual_resolution;" +
+             uniform highp vec2 virtualResolution;" +
 
              (bloom !== 0 ? "
                  uniform highp sampler2D bloomSource;
@@ -426,36 +432,9 @@ Item {
              (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));
-             }" +
+             shaderLibrary.min2 +
+             shaderLibrary.sum2 +
+             shaderLibrary.rgb2grey +
 
              "vec3 convertWithChroma(vec3 inColor) {
                 vec3 outColor = inColor;" +
@@ -468,6 +447,7 @@ Item {
              "  return outColor;
              }" +
 
+             shaderLibrary.rasterizationShader +
 
              "void main() {" +
                  "vec2 cc = vec2(0.5) - qt_TexCoord0;" +
@@ -490,8 +470,6 @@ Item {
                      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);" +
 

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

@@ -26,13 +26,18 @@ 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
-    virtual_resolution: terminal.virtualResolution
+    virtualResolution: terminal.virtualResolution
+    screenResolution: Qt.size(
+        terminalWindow.width * devicePixelRatio * appSettings.windowScaling,
+        terminalWindow.height * devicePixelRatio * appSettings.windowScaling
+    )
 
     TimeManager {
         id: timeManager

app/qml/TerminalFrame.qml

@@ -22,7 +22,7 @@ import QtQuick 2.0
 import "utils.js" as Utils
 
 ShaderEffect {
-    property color _staticFrameColor: "#ffffff"
+    property color _staticFrameColor: "#fff"
     property color _backgroundColor: appSettings.backgroundColor
     property color _fontColor: appSettings.fontColor
     property color _lightColor: Utils.mix(_fontColor, _backgroundColor, 0.2)
@@ -30,9 +30,19 @@ ShaderEffect {
 
     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)
+    // 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
+    )
+
+    ShaderLibrary {
+        id: shaderLibrary
+    }
 
     fragmentShader: "
         #ifdef GL_ES
@@ -40,10 +50,11 @@ ShaderEffect {
         #endif
 
         uniform lowp float screenCurvature;
-        uniform lowp float shadowLength;
+        uniform lowp float screenShadowCoeff;
+        uniform lowp float frameShadowCoeff;
         uniform highp float qt_Opacity;
         uniform lowp vec4 frameColor;
-        uniform mediump vec2 aadelta;
+        uniform mediump vec2 margin;
 
         varying highp vec2 qt_TexCoord0;
 
@@ -52,42 +63,38 @@ ShaderEffect {
             float dist = dot(cc, cc) * screenCurvature;
             return (coords + cc * (1.0 + dist) * dist);
         }
+        " +
 
-        float max2(vec2 v) {
-            return max(v.x, v.y);
+        shaderLibrary.max2 +
+        shaderLibrary.min2 +
+        shaderLibrary.prod2 +
+        shaderLibrary.sum2 +
+
+        "
+
+        vec2 positiveLog(vec2 x) {
+            return clamp(log(x), vec2(0.0), vec2(100.0));
         }
 
-        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(){
+        void main() {
             vec2 staticCoords = qt_TexCoord0;
-            vec2 coords = distortCoordinates(staticCoords);
+            vec2 coords = distortCoordinates(staticCoords) * (vec2(1.0) + margin * 2.0) - margin;
 
-            vec3 color = vec3(0.0);
+            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 outShadowLength = shadowLength;
-            float inShadowLength = shadowLength * 0.5;
+            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 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);
+            float screenShadow = 1.0 - prod2(positiveLog(coords * screenShadowCoeff + vec2(1.0)) * positiveLog(-coords * screenShadowCoeff + vec2(screenShadowCoeff + 1.0)));
+            alpha = max(0.8 * screenShadow, alpha);
 
             gl_FragColor = vec4(color * alpha, alpha);
         }

app/qml/main.qml

@@ -53,20 +53,30 @@ ApplicationWindow {
     property bool fullscreen: appSettings.fullscreen
     onFullscreenChanged: visibility = (fullscreen ? Window.FullScreen : Window.Windowed)
 
-    menuBar: WindowMenu {
-        id: mainMenu
-        visible: (Qt.platform.os === "osx" || appSettings.showMenubar)
+    menuBar: qtquickMenuLoader.item
+
+    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/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: profilesMenu.insertItem(index, object)
+            onObjectRemoved: profilesMenu.removeItem(object)
+        }
+    }
+    Menu {
+        title: qsTr("Help")
+        MenuItem {
+            text: showAboutAction.text
+            onTriggered: showAboutAction.trigger()
+        }
+    }
+}

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 +40,11 @@
         <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>SlowBurnIn.qml</file>
+        <file>TerminalFrame.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>
     </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;