Move constants to a separate qml file.

.github/FUNDING.yml

@@ -1,4 +0,0 @@
-# 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

@@ -1,98 +0,0 @@
-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

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): 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 Qt5. It's suggested that you stick to the latest LTS version.
+This terminal emulator works under Linux and macOS and requires Qt 5.2 or higher.
 
 Settings such as colors, fonts, and effects can be accessed via context menu.
 
@@ -20,11 +20,192 @@ 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:
 
-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).
+Just grab the latest AppImage from the release page and make it executable and run it:
 
-Alternatively, most distributions such as Ubuntu, Fedora or Arch already package cool-retro-term in their official repositories.
+    wget https://github.com/Swordfish90/cool-retro-term/releases/download/1.1.1/Cool-Retro-Term-1.1.1-x86_64.AppImage
+    chmod a+x Cool-Retro-Term-1.1.1-x86_64.AppImage
+    ./Cool-Retro-Term-1.1.1-x86_64.AppImage
 
-## Building
+**Fedora** has the `cool-retro-term` in the official repositories. All you have to do is `sudo dnf install 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)).
+Users of **openSUSE** can grab a package from [Open Build Service](http://software.opensuse.org/package/cool-retro-term).
+
+**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 quickcontrols2
+QT += qml quick widgets sql
 TARGET = cool-retro-term 
 
 DESTDIR = $$OUT_PWD/../
@@ -16,7 +16,7 @@ macx:ICON = icons/crt.icns
 RESOURCES += qml/resources.qrc
 
 #########################################
-##              INSTALLS
+##              INTALLS
 #########################################
 
 target.path += /usr/bin/

app/main.cpp

@@ -6,13 +6,11 @@
 
 #include <QtWidgets/QApplication>
 #include <QIcon>
-#include <QQuickStyle>
 
 #include <QDebug>
 #include <stdlib.h>
 
 #include <QFontDatabase>
-#include <QLoggingCategory>
 
 #include <fileio.h>
 #include <monospacefontmanager.h>
@@ -35,9 +33,6 @@ 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
@@ -49,28 +44,30 @@ int main(int argc, char *argv[])
 
     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]" << '\n';
+        cout << "Usage: " << argv[0] << " [--default-settings] [--workdir <dir>] [--program <prog>] [-p|--profile <prof>] [--fullscreen] [-h|--help]" << endl;
-        cout << "  --default-settings  Run cool-retro-term with the default settings" << '\n';
+        cout << "  --default-settings  Run cool-retro-term with the default settings" << endl;
-        cout << "  --workdir <dir>     Change working directory to 'dir'" << '\n';
+        cout << "  --workdir <dir>     Change working directory to 'dir'" << endl;
-        cout << "  -e <cmd>            Command to execute. This option will catch all following arguments, so use it as the last option." << '\n';
+        cout << "  -e <cmd>            Command to execute. This option will catch all following arguments, so use it as the last option." << endl;
-        cout << "  -T <title>          Set window title to 'title'." << '\n';
+        cout << "  -T <title>          Set window title to 'title'." << endl;
-        cout << "  --fullscreen        Run cool-retro-term in fullscreen." << '\n';
+        cout << "  --fullscreen        Run cool-retro-term in fullscreen." << endl;
-        cout << "  -p|--profile <prof> Run cool-retro-term with the given profile." << '\n';
+        cout << "  -p|--profile <prof> Run cool-retro-term with the given profile." << endl;
-        cout << "  -h|--help           Print this help." << '\n';
+        cout << "  -h|--help           Print this help." << endl;
-        cout << "  --verbose           Print additional information such as profiles and settings." << '\n';
+        cout << "  --verbose           Print additional information such as profiles and settings." << endl;
         return 0;
     }
 
-    QString appVersion("1.2.0");
+    QString appVersion("1.1.1");
 
     if (argc>1 && (!strcmp(argv[1],"-v") || !strcmp(argv[1],"--version"))) {
         QTextStream cout(stdout, QIODevice::WriteOnly);
-        cout << "cool-retro-term " << appVersion << '\n';
+        cout << "cool-retro-term " << appVersion << endl;
 	return 0;
     }
 
     QApplication app(argc, argv);
-    app.setAttribute(Qt::AA_MacDontSwapCtrlAndMeta, true);
+    // set application attributes
+    // Has no effects, see https://bugreports.qt.io/browse/QTBUG-51293
+    // app.setAttribute(Qt::AA_MacDontSwapCtrlAndMeta, true);
 
     QQmlApplicationEngine engine;
     FileIO fileIO;

app/qml/ApplicationConstants.qml

@@ -0,0 +1,39 @@
+/*******************************************************************************
+* Copyright (c) 2013-2021 "Filippo Scognamiglio"
+* https://github.com/Swordfish90/cool-retro-term
+*
+* This file is part of cool-retro-term.
+*
+* cool-retro-term is free software: you can redistribute it and/or modify
+* it under the terms of the GNU General Public License as published by
+* the Free Software Foundation, either version 3 of the License, or
+* (at your option) any later version.
+*
+* This program is distributed in the hope that it will be useful,
+* but WITHOUT ANY WARRANTY; without even the implied warranty of
+* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+* GNU General Public License for more details.
+*
+* You should have received a copy of the GNU General Public License
+* along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*******************************************************************************/
+import QtQuick 2.2
+
+QtObject {
+    readonly property string version: appVersion
+    readonly property int profileVersion: 2
+
+    readonly property real screenCurvatureSize: 0.4
+    readonly property real minimumFontScaling: 0.25
+    readonly property real maximumFontScaling: 2.50
+
+    readonly property real minBurnInFadeTime: 160
+    readonly property real maxBurnInFadeTime: 1600
+
+    readonly property int no_rasterization: 0
+    readonly property int scanline_rasterization: 1
+    readonly property int pixel_rasterization: 2
+    readonly property int subpixel_rasterization: 3
+
+    readonly property real baseFontScaling: 0.75
+}

app/qml/ApplicationSettings.qml

@@ -23,27 +23,15 @@ import QtQuick.Controls 2.0
 import "utils.js" as Utils
 
 QtObject {
-    readonly property string version: appVersion
-    readonly property int profileVersion: 2
 
-    // STATIC CONSTANTS ////////////////////////////////////////////////////////
+    // APPLICATION SETTINGS ///////////////////////////////////////////////////////
-    readonly property real screenCurvatureSize: 0.4
-    readonly property real minimumFontScaling: 0.25
-    readonly property real maximumFontScaling: 2.50
-
-    readonly property real minBurnInFadeTime: 160
-    readonly property real maxBurnInFadeTime: 160000
-
-    property bool isMacOS: Qt.platform.os === "osx"
-
-    // GENERAL SETTINGS ///////////////////////////////////////////////////////
     property int x: 100
     property int y: 100
     property int width: 1024
     property int height: 768
 
     property bool fullscreen: false
-    property bool showMenubar: false
+    property bool showMenubar: Qt.platform.os === "osx" ? true : false
 
     property string wintitle: "cool-retro-term"
 
@@ -54,9 +42,9 @@ QtObject {
     property bool verbose: false
 
     property real bloomQuality: 0.5
-    property real burnInQuality: 0.5
 
-    property bool blinkingCursor: false
+    property real burnInQuality: 0.5
+    property bool useFastBurnIn: Qt.platform.os === "osx" ? false : true
 
     onWindowScalingChanged: handleFontChanged()
 
@@ -71,7 +59,6 @@ QtObject {
 
     property string _backgroundColor: "#000000"
     property string _fontColor: "#ff8100"
-    property string _frameColor: "#ffffff"
     property string saturatedColor: Utils.mix(Utils.strToColor("#FFFFFF"),
                                               Utils.strToColor(_fontColor),
                                               saturationColor * 0.5)
@@ -82,7 +69,6 @@ QtObject {
                                                   _backgroundColor),
                                               Utils.strToColor(saturatedColor),
                                               0.7 + (contrast * 0.3))
-    property color frameColor: Utils.strToColor(_frameColor)
 
     property real staticNoise: 0.12
     property real screenCurvature: 0.3
@@ -92,7 +78,6 @@ QtObject {
 
     property real chromaColor: 0.25
     property real saturationColor: 0.25
-    property real frameGloss: 0
 
     property real jitter: 0.2
 
@@ -109,17 +94,13 @@ QtObject {
 
     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
 
+    property bool blinkingCursor: false
+
     // FONTS //////////////////////////////////////////////////////////////////
-    readonly property real baseFontScaling: 0.75
     property real fontScaling: 1.0
-    property real totalFontScaling: baseFontScaling * fontScaling
+    property real totalFontScaling: appConstants.baseFontScaling * fontScaling
 
     property real fontWidth: 1.0
 
@@ -135,28 +116,28 @@ QtObject {
     property Loader fontManager: Loader {
         states: [
             State {
-                when: rasterization == no_rasterization
+                when: rasterization == appConstants.no_rasterization
                 PropertyChanges {
                     target: fontManager
                     source: "Fonts.qml"
                 }
             },
             State {
-                when: rasterization == scanline_rasterization
+                when: rasterization == appConstants.scanline_rasterization
                 PropertyChanges {
                     target: fontManager
                     source: "FontScanlines.qml"
                 }
             },
             State {
-                when: rasterization == pixel_rasterization
+                when: rasterization == appConstants.pixel_rasterization
                 PropertyChanges {
                     target: fontManager
                     source: "FontPixels.qml"
                 }
             },
             State {
-                when: rasterization == subpixel_rasterization
+                when: rasterization == appConstants.subpixel_rasterization
                 PropertyChanges {
                     target: fontManager
                     source: "FontPixels.qml"
@@ -182,12 +163,12 @@ QtObject {
     }
 
     function incrementScaling() {
-        fontScaling = Math.min(fontScaling + 0.05, maximumFontScaling)
+        fontScaling = Math.min(fontScaling + 0.05, appConstants.maximumFontScaling)
         handleFontChanged()
     }
 
     function decrementScaling() {
-        fontScaling = Math.max(fontScaling - 0.05, minimumFontScaling)
+        fontScaling = Math.max(fontScaling - 0.05, appConstants.minimumFontScaling)
         handleFontChanged()
     }
 
@@ -245,7 +226,8 @@ QtObject {
             "bloomQuality": bloomQuality,
             "burnInQuality": burnInQuality,
             "useCustomCommand": useCustomCommand,
-            "customCommand": customCommand
+            "customCommand": customCommand,
+            "useFastBurnIn": useFastBurnIn
         }
         return stringify(settings)
     }
@@ -254,13 +236,11 @@ QtObject {
         var settings = {
             "backgroundColor": _backgroundColor,
             "fontColor": _fontColor,
-            "frameColor": _frameColor,
             "flickering": flickering,
             "horizontalSync": horizontalSync,
             "staticNoise": staticNoise,
             "chromaColor": chromaColor,
             "saturationColor": saturationColor,
-            "frameGloss": frameGloss,
             "screenCurvature": screenCurvature,
             "glowingLine": glowingLine,
             "burnIn": burnIn,
@@ -342,6 +322,9 @@ QtObject {
                 !== undefined ? settings.useCustomCommand : useCustomCommand
         customCommand = settings.customCommand
                 !== undefined ? settings.customCommand : customCommand
+
+        useFastBurnIn = settings.useFastBurnIn
+                !== undefined ? settings.useFastBurnIn : useFastBurnIn
     }
 
     function loadProfileString(profileString) {
@@ -350,7 +333,6 @@ QtObject {
         _backgroundColor = settings.backgroundColor
                 !== undefined ? settings.backgroundColor : _backgroundColor
         _fontColor = settings.fontColor !== undefined ? settings.fontColor : _fontColor
-        _frameColor = settings.frameColor !== undefined ? settings.frameColor : _frameColor
 
         horizontalSync = settings.horizontalSync
                 !== undefined ? settings.horizontalSync : horizontalSync
@@ -359,7 +341,6 @@ QtObject {
         chromaColor = settings.chromaColor !== undefined ? settings.chromaColor : chromaColor
         saturationColor = settings.saturationColor
                 !== undefined ? settings.saturationColor : saturationColor
-        frameGloss = settings.frameGloss !== undefined ? settings.frameGloss : frameGloss
         screenCurvature = settings.screenCurvature
                 !== undefined ? settings.screenCurvature : screenCurvature
         glowingLine = settings.glowingLine !== undefined ? settings.glowingLine : glowingLine
@@ -466,8 +447,6 @@ QtObject {
                 "rbgShift": 0,
                 "saturationColor": 0.2483,
                 "screenCurvature": 0.3,
-                "frameColor": "#ffffff",
-                "frameGloss": 0,
                 "staticNoise": 0.1198,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -497,8 +476,6 @@ QtObject {
                 "rbgShift": 0,
                 "saturationColor": 0.0,
                 "screenCurvature": 0.3,
-                "frameColor": "#ffffff",
-                "frameGloss": 0,
                 "staticNoise": 0.1198,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -528,8 +505,6 @@ QtObject {
                 "rbgShift": 0,
                 "saturationColor": 0.5,
                 "screenCurvature": 0.3,
-                "frameColor": "#ffffff",
-                "frameGloss": 0,
                 "staticNoise": 0.15,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -559,8 +534,6 @@ QtObject {
                 "rbgShift": 0,
                 "saturationColor": 0,
                 "screenCurvature": 0,
-                "frameColor": "#ffffff",
-                "frameGloss": 0,
                 "staticNoise": 0.15,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -590,8 +563,6 @@ QtObject {
                 "rbgShift": 0,
                 "saturationColor": 0,
                 "screenCurvature": 0.5,
-                "frameColor": "#ffffff",
-                "frameGloss": 0,
                 "staticNoise": 0.099,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -621,8 +592,6 @@ QtObject {
                 "rbgShift": 0.2969,
                 "saturationColor": 0,
                 "screenCurvature": 0.5,
-                "frameColor": "#ffffff",
-                "frameGloss": 0,
                 "staticNoise": 0.2969,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -632,7 +601,7 @@ QtObject {
             builtin: true
         }
         ListElement {
-            text: "IBM DOS"
+            text: "IBM Dos"
             obj_string: '{
                 "ambientLight": 0.151,
                 "backgroundColor": "#000000",
@@ -652,8 +621,6 @@ QtObject {
                 "rbgShift": 0.3524,
                 "saturationColor": 0,
                 "screenCurvature": 0.4,
-                "frameColor": "#ffffff",
-                "frameGloss": 0,
                 "staticNoise": 0.0503,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -683,8 +650,6 @@ QtObject {
                 "rbgShift": 0,
                 "saturationColor": 0,
                 "screenCurvature": 0.2,
-                "frameColor": "#ffffff",
-                "frameGloss": 0,
                 "staticNoise": 0,
                 "windowOpacity": 1,
                 "margin": 0.5,
@@ -714,8 +679,6 @@ QtObject {
                 "rbgShift": 0,
                 "saturationColor": 0.4983,
                 "screenCurvature": 0,
-                "frameColor": "#ffffff",
-                "frameGloss": 0,
                 "staticNoise": 0.0955,
                 "windowOpacity": 0.7,
                 "margin": 0.1,

app/qml/BurnInEffect.qml

@@ -29,29 +29,26 @@ Loader {
     property real lastUpdate: 0
     property real prevLastUpdate: 0
 
-    property real burnIn: appSettings.burnIn;
+    property real delay: (1.0 / appSettings.fps) * 1000
-    property real burnInFadeTime: (1 / Utils.lint(_minBurnInFadeTime, _maxBurnInFadeTime, burnIn))*64
+    property real burnIn: appSettings.burnIn
-    property real _minBurnInFadeTime: appSettings.minBurnInFadeTime
+    property real burnInFadeTime: 1 / Utils.lint(_minBurnInFadeTime, _maxBurnInFadeTime, burnIn)
-    property real _maxBurnInFadeTime: appSettings.maxBurnInFadeTime
+    property real _minBurnInFadeTime: appConstants.minBurnInFadeTime
+    property real _maxBurnInFadeTime: appConstants.maxBurnInFadeTime
 
-    active: appSettings.burnIn !== 0
+    active: appSettings.useFastBurnIn && appSettings.burnIn !== 0
 
     anchors.fill: parent
 
     function completelyUpdate() {
-        let newTime = timeManager.time
+        prevLastUpdate = lastUpdate;
-        if (newTime > lastUpdate) {
+        lastUpdate = timeManager.time;
-            prevLastUpdate = lastUpdate
+        item.source.scheduleUpdate();
-            lastUpdate = newTime
-        }
-
-        item.source.scheduleUpdate()
     }
 
     function restartBlurSource(){
-        prevLastUpdate = timeManager.time
+        prevLastUpdate = timeManager.time;
-        lastUpdate = prevLastUpdate
+        lastUpdate = prevLastUpdate;
-        completelyUpdate()
+        completelyUpdate();
     }
 
     sourceComponent: Item {
@@ -75,30 +72,20 @@ Loader {
 
             Connections {
                 target: kterminal
-
+                onImagePainted: completelyUpdate()
-                onImagePainted: {
-                    completelyUpdate()
-                }
             }
             // Restart blurred source settings change.
             Connections{
                 target: appSettings
-
+                onBurnInChanged: burnInEffect.restartBlurSource();
-                onBurnInChanged: {
+                onTerminalFontChanged: burnInEffect.restartBlurSource();
-                    burnInEffect.restartBlurSource()
+                onRasterizationChanged: burnInEffect.restartBlurSource();
+                onBurnInQualityChanged: burnInEffect.restartBlurSource();
             }
 
-                onTerminalFontChanged: {
+            Connections {
-                    burnInEffect.restartBlurSource()
+                target: kterminalScrollbar
-                }
+                onOpacityChanged: completelyUpdate()
-
-                onRasterizationChanged: {
-                    burnInEffect.restartBlurSource()
-                }
-
-                onBurnInQualityChanged: {
-                    burnInEffect.restartBlurSource()
-                }
             }
         }
 
@@ -146,8 +133,9 @@ Loader {
                     float prevMask = accColor.a;
                     float currMask = rgb2grey(txtColor);
 
-                    highp float blurDecay = clamp(pow(0.5, burnInTime * (lastUpdate - prevLastUpdate)), 0.0, 1.0);
+                    highp float blurDecay = clamp((lastUpdate - prevLastUpdate) * burnInTime, 0.0, 1.0);
-                    vec3 blurColor = accColor.rgb * vec3(blurDecay);
+                    blurDecay = max(0.0, blurDecay - prevMask);
+                    vec3 blurColor = accColor.rgb - vec3(blurDecay);
                     vec3 color = max(blurColor, txtColor);
 
                     gl_FragColor = vec4(color, currMask);

app/qml/ColorButton.qml

@@ -34,8 +34,10 @@ Item {
         visible: false
 
         //This is a workaround to a Qt 5.2 bug.
-        onColorChanged: if (!appSettings.isMacOS) colorSelected(color)
+        onColorChanged: if (Qt.platform.os !== "osx")
-        onAccepted: if (appSettings.isMacOS) colorSelected(color)
+                            colorSelected(color)
+        onAccepted: if (Qt.platform.os === "osx")
+                        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-3278/3270-Regular.ttf"
+            source: "fonts/1971-ibm-3278/3270Medium.ttf"
             lineSpacing: 0.2
             pixelSize: 32
             fontWidth: 1.0

app/qml/PreprocessedTerminal.qml

@@ -34,6 +34,7 @@ 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
@@ -46,52 +47,26 @@ Item{
     // Manage copy and paste
     Connections{
         target: copyAction
-
+        onTriggered: kterminal.copyClipboard();
-        onTriggered: {
-            kterminal.copyClipboard()
-        }
     }
     Connections{
         target: pasteAction
-
+        onTriggered: kterminal.pasteClipboard()
-        onTriggered: {
-            kterminal.pasteClipboard()
-        }
     }
 
     //When settings are updated sources need to be redrawn.
     Connections{
         target: appSettings
-
+        onFontScalingChanged: terminalContainer.updateSources();
-        onFontScalingChanged: {
+        onFontWidthChanged: terminalContainer.updateSources();
-            terminalContainer.updateSources()
-        }
-
-        onFontWidthChanged: {
-            terminalContainer.updateSources()
-        }
     }
     Connections{
         target: terminalContainer
-
+        onWidthChanged: terminalContainer.updateSources();
-        onWidthChanged: {
+        onHeightChanged: terminalContainer.updateSources();
-            terminalContainer.updateSources()
     }
-
-        onHeightChanged: {
-            terminalContainer.updateSources()
-        }
-    }
-    Connections {
-        target: terminalWindow
-
-        onActiveChanged: {
-            kterminal.forceActiveFocus()
-        }
-    }
-
     function updateSources() {
-        kterminal.update()
+        kterminal.update();
     }
 
     QMLTermWidget {
@@ -168,7 +143,7 @@ Item{
                 var args = Utils.tokenizeCommandLine(appSettings.customCommand);
                 ksession.setShellProgram(args[0]);
                 ksession.setArgs(args.slice(1));
-            } else if (!defaultCmd && appSettings.isMacOS) {
+            } else if (!defaultCmd && Qt.platform.os === "osx") {
                 // OSX Requires the following default parameters for auto login.
                 ksession.setArgs(["-i", "-l"]);
             }
@@ -198,7 +173,7 @@ Item{
 
     Loader {
         id: menuLoader
-        sourceComponent: (appSettings.isMacOS || appSettings.showMenubar ? shortContextMenu : fullContextMenu)
+        sourceComponent: (Qt.platform.os === "osx" || appSettings.showMenubar ? shortContextMenu : fullContextMenu)
     }
     property alias contextmenu: menuLoader.item
 
@@ -242,7 +217,7 @@ Item{
             y = (y - margin) / height;
 
             var cc = Qt.size(0.5 - x, 0.5 - y);
-            var distortion = (cc.height * cc.height + cc.width * cc.width) * appSettings.screenCurvature * appSettings.screenCurvatureSize;
+            var distortion = (cc.height * cc.height + cc.width * cc.width) * appSettings.screenCurvature * appConstants.screenCurvatureSize;
 
             return Qt.point((x - cc.width  * (1+distortion) * distortion) * (kterminal.totalWidth),
                            (y - cc.height * (1+distortion) * distortion) * (kterminal.totalHeight))
@@ -275,5 +250,9 @@ Item{
         BurnInEffect {
             id: burnInEffect
         }
+
+        SlowBurnIn {
+            id: slowBurnInEffect
+        }
     }
 }

app/qml/SettingsAdvancedTab.qml

@@ -89,7 +89,7 @@ ColumnLayout {
                 }
             }
 
-            SizedLabel {
+            Label {
                 text: appSettings.fps !== 0 ? appSettings.fps : qsTr("Max")
             }
             Label {
@@ -109,7 +109,7 @@ ColumnLayout {
                     enabled = true
                 }
             }
-            SizedLabel {
+            Label {
                 text: Math.round(txtslider.value * 100) + "%"
             }
 
@@ -130,7 +130,7 @@ ColumnLayout {
                     enabled = true
                 }
             }
-            SizedLabel {
+            Label {
                 text: Math.round(bloomSlider.value * 100) + "%"
             }
 
@@ -151,9 +151,15 @@ ColumnLayout {
                     enabled = true
                 }
             }
-            SizedLabel {
+            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

@@ -33,7 +33,6 @@ ColumnLayout {
                 Layout.fillWidth: true
                 Layout.fillHeight: true
                 model: appSettings.profilesList
-                clip: true
                 delegate: Rectangle {
                     width: label.width
                     height: label.height
@@ -114,7 +113,7 @@ ColumnLayout {
 
                             var version = profileObject.version
                                     !== undefined ? profileObject.version : 1
-                            if (version !== appSettings.profileVersion)
+                            if (version !== appConstants.profileVersion)
                                 throw "This profile is not supported on this version of CRT."
 
                             delete profileObject.name
@@ -161,7 +160,7 @@ ColumnLayout {
                             var profileSettings = JSON.parse(
                                         profileObject.obj_string)
                             profileSettings["name"] = profileObject.text
-                            profileSettings["version"] = appSettings.profileVersion
+                            profileSettings["version"] = appConstants.profileVersion
 
                             var result = fileIO.write(url, JSON.stringify(
                                                           profileSettings,
@@ -216,12 +215,10 @@ ColumnLayout {
             }
             Label {
                 text: qsTr("Opacity")
-                visible: !appSettings.isMacOS
             }
             SimpleSlider {
                 onValueChanged: appSettings.windowOpacity = value
                 value: appSettings.windowOpacity
-                visible: !appSettings.isMacOS
             }
         }
     }

app/qml/SettingsTerminalTab.qml

@@ -68,10 +68,7 @@ ColumnLayout {
                 }
                 Connections {
                     target: appSettings
-
+                    onTerminalFontChanged: fontChanger.updateIndex()
-                    onTerminalFontChanged: {
-                        fontChanger.updateIndex()
-                    }
                 }
                 Component.onCompleted: updateIndex()
             }
@@ -86,8 +83,8 @@ ColumnLayout {
                     onValueChanged: appSettings.fontScaling = value
                     value: appSettings.fontScaling
                     stepSize: 0.05
-                    from: appSettings.minimumFontScaling
+                    from: appConstants.minimumFontScaling
-                    to: appSettings.maximumFontScaling
+                    to: appConstants.maximumFontScaling
                 }
                 SizedLabel {
                     text: Math.round(fontScalingChanger.value * 100) + "%"
@@ -149,11 +146,6 @@ ColumnLayout {
                     value: appSettings.saturationColor
                     enabled: appSettings.chromaColor !== 0
                 }
-                CheckableSlider {
-                    name: qsTr("Frame Gloss")
-                    onNewValue: appSettings.frameGloss = newValue
-                    value: appSettings.frameGloss
-                }
             }
             RowLayout {
                 Layout.fillWidth: true
@@ -171,13 +163,6 @@ ColumnLayout {
                     onColorSelected: appSettings._backgroundColor = color
                     color: appSettings._backgroundColor
                 }
-                ColorButton {
-                    name: qsTr("Frame")
-                    height: 50
-                    Layout.fillWidth: true
-                    onColorSelected: appSettings._frameColor = color
-                    color: appSettings._frameColor
-                }
             }
         }
     }

app/qml/SettingsWindow.qml

@@ -27,17 +27,14 @@ import QtQuick.Dialogs 1.1
 Window {
     id: settings_window
     title: qsTr("Settings")
-    width: 640
+    width: 800
-    height: 640
+    height: 600
 
     property int tabmargins: 15
 
-    Item {
-        anchors { fill: parent;  margins: tabmargins }
-
     TabBar {
         id: bar
-            anchors { left: parent.left; right: parent.right; top: parent.top; }
+        width: parent.width
         TabButton {
             text: qsTr("General")
         }
@@ -52,17 +49,15 @@ Window {
         }
     }
 
-        Frame {
+    StackLayout {
         anchors {
             top: bar.bottom
             left: parent.left
             right: parent.right
             bottom: parent.bottom
+            margins: tabmargins
         }
 
-            StackLayout {
-                anchors.fill: parent
-
         currentIndex: bar.currentIndex
 
         SettingsGeneralTab { }
@@ -71,5 +66,3 @@ Window {
         SettingsAdvancedTab { }
     }
 }
-    }
-}

app/qml/ShaderLibrary.qml

@@ -2,12 +2,12 @@ import QtQuick 2.0
 
 QtObject {
     property string rasterizationShader:
-        (appSettings.rasterization === appSettings.no_rasterization ? "
+        (appSettings.rasterization === appConstants.no_rasterization ? "
             lowp vec3 applyRasterization(vec2 screenCoords, lowp vec3 texel, vec2 virtualResolution, float intensity) {
                 return texel;
             }" : "") +
 
-        (appSettings.rasterization === appSettings.scanline_rasterization ? "
+        (appSettings.rasterization === appConstants.scanline_rasterization ? "
             #define INTENSITY 0.30
             #define BRIGHTBOOST 0.30
 
@@ -22,7 +22,7 @@ QtObject {
                 return mix(texel, rasterizationColor, intensity);
             }" : "") +
 
-        (appSettings.rasterization === appSettings.pixel_rasterization ? "
+        (appSettings.rasterization === appConstants.pixel_rasterization ? "
             #define INTENSITY 0.30
             #define BRIGHTBOOST 0.30
 
@@ -40,7 +40,7 @@ QtObject {
                 return mix(texel, rasterizationColor, intensity);
             }" : "") +
 
-        (appSettings.rasterization === appSettings.subpixel_rasterization ? "
+        (appSettings.rasterization === appConstants.subpixel_rasterization ? "
             #define INTENSITY 0.30
             #define BRIGHTBOOST 0.30
             #define SUBPIXELS 3.0

app/qml/ShaderTerminal.qml

@@ -24,6 +24,7 @@ import QtGraphicalEffects 1.0
 import "utils.js" as Utils
 
 Item {
+    property SlowBurnIn slowBurnInEffect
     property ShaderEffectSource source
     property BurnInEffect burnInEffect
     property ShaderEffectSource bloomSource
@@ -31,14 +32,12 @@ Item {
     property color fontColor: appSettings.fontColor
     property color backgroundColor: appSettings.backgroundColor
 
-    property real screenCurvature: appSettings.screenCurvature * appSettings.screenCurvatureSize
+    property real screenCurvature: appSettings.screenCurvature * appConstants.screenCurvatureSize
 
     property real chromaColor: appSettings.chromaColor
 
     property real ambientLight: appSettings.ambientLight * 0.2
 
-    property real frameGloss: appSettings.frameGloss
-
     property size virtualResolution
     property size screenResolution
 
@@ -61,7 +60,6 @@ Item {
          property real screenCurvature: parent.screenCurvature
          property real chromaColor: parent.chromaColor
          property real ambientLight: parent.ambientLight
-         property real frameGloss: parent.frameGloss
 
          property real flickering: appSettings.flickering
          property real horizontalSync: appSettings.horizontalSync
@@ -69,10 +67,14 @@ Item {
          property real glowingLine: appSettings.glowingLine * 0.2
 
          // Fast burnin properties
-         property real burnIn: appSettings.burnIn
+         property real burnIn: appSettings.useFastBurnIn ? appSettings.burnIn : 0
          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)
@@ -175,7 +177,6 @@ Item {
              uniform highp vec4 fontColor;
              uniform highp vec4 backgroundColor;
              uniform lowp float shadowLength;
-             uniform lowp float frameGloss;
 
              uniform highp vec2 virtualResolution;
              uniform lowp float rasterizationIntensity;\n" +
@@ -184,6 +185,8 @@ Item {
                  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))) ? "
@@ -247,17 +250,6 @@ Item {
              "  return outColor;
              }" +
 
-             //pseudo-random vector
-             //https://stackoverflow.com/a/10625698
-             "float random( vec2 p )
-             {
-                 vec2 K1 = vec2(
-                     23.14069263277926, // e^pi (Gelfond's constant)
-                     2.665144142690225 // 2^sqrt(2) (Gelfond-Schneider constant)
-                 );
-                 return fract( cos( dot(p,K1) ) * 12345.6789 );
-             }" +
-
              "void main() {" +
                  "vec2 cc = vec2(0.5) - qt_TexCoord0;" +
                  "float distance = length(cc);" +
@@ -296,11 +288,7 @@ Item {
                  : "") +
 
                  (jitter !== 0 || staticNoise !== 0 ?
-                 "vec4 noiseTexel = texture2D(
+                     "vec4 noiseTexel = texture2D(noiseSource, scaleNoiseSize * coords + vec2(fract(time / 51.0), fract(time / 237.0)));"
-                     noiseSource, scaleNoiseSize * coords
-                     + vec2(0.0, random(vec2(fract(time / 237.0), 822.9582)))
-                     + vec2(fract(time / 31.0), fract(time / 177.0))
-                 );"
                  : "") +
 
                  (jitter !== 0 ? "
@@ -321,11 +309,16 @@ Item {
 
                  (burnIn !== 0 ? "
                      vec4 txt_blur = texture2D(burnInSource, staticCoords);
-                     float blurDecay = clamp(pow(0.5, burnInTime * (time - burnInLastUpdate)), 0.0, 1.0);
+                     float blurDecay = clamp((time - burnInLastUpdate) * burnInTime, 0.0, 1.0);
-                     vec3 burnInColor = txt_blur.rgb * vec3(blurDecay);
+                     vec3 burnInColor = 0.65 * (txt_blur.rgb - vec3(blurDecay));
                      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" +
@@ -340,7 +333,7 @@ Item {
 
                  (displayTerminalFrame ?
                     "vec4 frameColor = texture2D(frameSource, qt_TexCoord0);
-                     finalColor = mix(finalColor, frameColor.rgb + (finalColor*frameGloss), frameColor.a);"
+                     finalColor = mix(finalColor, frameColor.rgb, frameColor.a);"
                  : "") +
 
                  "gl_FragColor = vec4(finalColor, qt_Opacity);" +

app/qml/SlowBurnIn.qml

@@ -0,0 +1,140 @@
+/*******************************************************************************
+* 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: appConstants.minBurnInFadeTime
+            property real maxBurnInFadeTime: appConstants.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

@@ -33,6 +33,7 @@ ShaderTerminal {
 
     source: terminal.mainSource
     burnInEffect: terminal.burnInEffect
+    slowBurnInEffect: terminal.slowBurnInEffect
     virtualResolution: terminal.virtualResolution
     screenResolution: Qt.size(
         terminalWindow.width * devicePixelRatio * appSettings.windowScaling,

app/qml/TerminalFrame.qml

@@ -22,14 +22,14 @@ import QtQuick 2.0
 import "utils.js" as Utils
 
 ShaderEffect {
-    property color _frameColor: appSettings.frameColor
+    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(_frameColor, _lightColor, _ambientLight)
+    property color frameColor: Utils.mix(_staticFrameColor, _lightColor, _ambientLight)
-    property real screenCurvature: appSettings.screenCurvature * appSettings.screenCurvatureSize
+    property real screenCurvature: appSettings.screenCurvature * appConstants.screenCurvatureSize
 
     // Coefficient of the log curve used to approximate shadowing
     property real screenShadowCoeff: Utils.lint(20.0, 10.0, _ambientLight)
@@ -87,7 +87,7 @@ ShaderEffect {
             float alpha = 0.0;
 
             float frameShadow = max2(positiveLog(-coords * frameShadowCoeff + vec2(1.0)) + positiveLog(coords * frameShadowCoeff - (vec2(frameShadowCoeff) - vec2(1.0))));
-            frameShadow = clamp(sqrt(frameShadow), 0.0, 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);

app/qml/main.qml

@@ -53,30 +53,20 @@ ApplicationWindow {
     property bool fullscreen: appSettings.fullscreen
     onFullscreenChanged: visibility = (fullscreen ? Window.FullScreen : Window.Windowed)
 
-    menuBar: qtquickMenuLoader.item
+    menuBar: WindowMenu {
-
+        id: mainMenu
-    Loader {
+        visible: (Qt.platform.os === "osx" || appSettings.showMenubar)
-        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: !appSettings.isMacOS
+        enabled: Qt.platform.os !== "osx"
         shortcut: "Ctrl+Shift+M"
         checkable: true
         checked: appSettings.showMenubar
@@ -85,7 +75,7 @@ ApplicationWindow {
     Action {
         id: fullscreenAction
         text: qsTr("Fullscreen")
-        enabled: !appSettings.isMacOS
+        enabled: Qt.platform.os !== "osx"
         shortcut: "Alt+F11"
         onTriggered: appSettings.fullscreen = !appSettings.fullscreen
         checkable: true
@@ -137,6 +127,9 @@ ApplicationWindow {
             aboutDialog.raise()
         }
     }
+    ApplicationConstants {
+        id: appConstants
+    }
     ApplicationSettings {
         id: appSettings
     }
@@ -164,7 +157,7 @@ ApplicationWindow {
     onClosing: {
         // OSX Since we are currently supporting only one window
         // quit the application when it is closed.
-        if (appSettings.isMacOS)
+        if (Qt.platform.os === "osx")
             Qt.quit()
     }
 }

app/qml/menus/OSXMenu.qml

@@ -1,89 +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 2.3
-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-3278/3270-Regular.ttf</file>
+        <file>fonts/1971-ibm-3278/3270Medium.ttf</file>
         <file>Storage.qml</file>
         <file>SettingsAdvancedTab.qml</file>
         <file>TerminalContainer.qml</file>
@@ -41,10 +41,11 @@
         <file>BurnInEffect.qml</file>
         <file>fonts/modern-terminus/TerminusTTF-4.46.0.ttf</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>ApplicationConstants.qml</file>
     </qresource>
 </RCC>