Initial qt-tests tray app with split amd64/arm64 AppImage CI workflows

.gitea/workflows/qt-linux-amd64.yml

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+name: qt-linux-amd64
+
+on:
+  push:
+    branches: [ main ]
+    tags: [ 'v*' ]
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  qt-linux-amd64:
+    runs-on: amd64-native
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install build dependencies
+        run: |
+          apt-get update
+          DEBIAN_FRONTEND=noninteractive apt-get install -y \
+            build-essential cmake ninja-build qt6-base-dev \
+            imagemagick file curl
+
+      - name: Configure + build
+        run: |
+          set -eu
+          cmake -S . -B build-out -G Ninja -DCMAKE_BUILD_TYPE=Release
+          cmake --build build-out --parallel "$(nproc)"
+
+      - name: Build AppImage (amd64)
+        run: |
+          set -eu
+          rm -rf AppDir artifacts
+          mkdir -p AppDir/usr/bin AppDir/usr/share/applications AppDir/usr/share/icons/hicolor/256x256/apps artifacts
+          cp build-out/qt_tray_demo AppDir/usr/bin/qt_tray_demo
+          chmod +x AppDir/usr/bin/qt_tray_demo
+          convert build/appicon.svg -resize 256x256 AppDir/usr/share/icons/hicolor/256x256/apps/qt_tray_demo.png
+          cat > AppDir/usr/share/applications/qt_tray_demo.desktop <<'DESKTOP'
+          [Desktop Entry]
+          Type=Application
+          Name=Qt Tray Demo
+          Exec=qt_tray_demo
+          Icon=qt_tray_demo
+          Terminal=false
+          Categories=Utility;
+          DESKTOP
+          curl -L -o linuxdeploy.AppImage https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-x86_64.AppImage
+          curl -L -o linuxdeploy-plugin-qt.AppImage https://github.com/linuxdeploy/linuxdeploy-plugin-qt/releases/download/continuous/linuxdeploy-plugin-qt-x86_64.AppImage
+          chmod +x linuxdeploy.AppImage linuxdeploy-plugin-qt.AppImage
+          export QMAKE=qmake6
+          APPIMAGE_EXTRACT_AND_RUN=1 ./linuxdeploy.AppImage --appdir AppDir \
+            -e AppDir/usr/bin/qt_tray_demo \
+            -d AppDir/usr/share/applications/qt_tray_demo.desktop \
+            -i AppDir/usr/share/icons/hicolor/256x256/apps/qt_tray_demo.png \
+            --plugin qt --output appimage
+          generated=$(ls -1 *.AppImage | head -n 1)
+          out="artifacts/qt_tray_demo-linux-amd64-run${{ github.run_number }}.AppImage"
+          mv "$generated" "$out"
+          chmod +x "$out"
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: qt_tray_demo-linux-amd64-run${{ github.run_number }}
+          path: artifacts/
+          retention-days: 14

.gitea/workflows/qt-linux-arm64.yml

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+name: qt-linux-arm64
+
+on:
+  push:
+    branches: [ main ]
+    tags: [ 'v*' ]
+  pull_request:
+    branches: [ main ]
+  workflow_dispatch:
+
+jobs:
+  qt-linux-arm64:
+    runs-on: arm64-native
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Install build dependencies
+        run: |
+          apt-get update
+          DEBIAN_FRONTEND=noninteractive apt-get install -y \
+            build-essential cmake ninja-build qt6-base-dev \
+            imagemagick file curl
+
+      - name: Configure + build
+        run: |
+          set -eu
+          cmake -S . -B build-out -G Ninja -DCMAKE_BUILD_TYPE=Release
+          cmake --build build-out --parallel "$(nproc)"
+
+      - name: Build AppImage (arm64)
+        run: |
+          set -eu
+          rm -rf AppDir artifacts
+          mkdir -p AppDir/usr/bin AppDir/usr/share/applications AppDir/usr/share/icons/hicolor/256x256/apps artifacts
+          cp build-out/qt_tray_demo AppDir/usr/bin/qt_tray_demo
+          chmod +x AppDir/usr/bin/qt_tray_demo
+          convert build/appicon.svg -resize 256x256 AppDir/usr/share/icons/hicolor/256x256/apps/qt_tray_demo.png
+          cat > AppDir/usr/share/applications/qt_tray_demo.desktop <<'DESKTOP'
+          [Desktop Entry]
+          Type=Application
+          Name=Qt Tray Demo
+          Exec=qt_tray_demo
+          Icon=qt_tray_demo
+          Terminal=false
+          Categories=Utility;
+          DESKTOP
+          curl -L -o linuxdeploy.AppImage https://github.com/linuxdeploy/linuxdeploy/releases/download/continuous/linuxdeploy-aarch64.AppImage
+          curl -L -o linuxdeploy-plugin-qt.AppImage https://github.com/linuxdeploy/linuxdeploy-plugin-qt/releases/download/continuous/linuxdeploy-plugin-qt-aarch64.AppImage
+          chmod +x linuxdeploy.AppImage linuxdeploy-plugin-qt.AppImage
+          export QMAKE=qmake6
+          APPIMAGE_EXTRACT_AND_RUN=1 ./linuxdeploy.AppImage --appdir AppDir \
+            -e AppDir/usr/bin/qt_tray_demo \
+            -d AppDir/usr/share/applications/qt_tray_demo.desktop \
+            -i AppDir/usr/share/icons/hicolor/256x256/apps/qt_tray_demo.png \
+            --plugin qt --output appimage
+          generated=$(ls -1 *.AppImage | head -n 1)
+          out="artifacts/qt_tray_demo-linux-arm64-run${{ github.run_number }}.AppImage"
+          mv "$generated" "$out"
+          chmod +x "$out"
+
+      - name: Upload artifacts
+        uses: actions/upload-artifact@v3
+        with:
+          name: qt_tray_demo-linux-arm64-run${{ github.run_number }}
+          path: artifacts/
+          retention-days: 14

CMakeLists.txt

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+cmake_minimum_required(VERSION 3.16)
+project(qt_tray_demo LANGUAGES CXX)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_AUTOMOC ON)
+set(CMAKE_AUTORCC ON)
+set(CMAKE_AUTOUIC ON)
+
+find_package(Qt6 REQUIRED COMPONENTS Widgets)
+
+add_executable(qt_tray_demo
+  src/main.cpp
+)
+
+target_link_libraries(qt_tray_demo PRIVATE Qt6::Widgets)

build/appicon.svg

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+<svg xmlns="http://www.w3.org/2000/svg" width="256" height="256" viewBox="0 0 256 256">
+  <rect width="256" height="256" rx="28" fill="#10b981"/>
+  <rect x="48" y="48" width="160" height="160" rx="20" fill="#ffffff" fill-opacity="0.2"/>
+  <circle cx="128" cy="128" r="42" fill="#ffffff"/>
+</svg>

src/main.cpp

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+#include <QAction>
+#include <QApplication>
+#include <QMainWindow>
+#include <QMenu>
+#include <QSystemTrayIcon>
+#include <QVBoxLayout>
+#include <QLabel>
+
+int main(int argc, char *argv[]) {
+    QApplication app(argc, argv);
+    app.setApplicationName("qt_tray_demo");
+
+    QMainWindow window;
+    window.setWindowTitle("Qt Tray Demo");
+    auto *central = new QWidget();
+    auto *layout = new QVBoxLayout(central);
+    layout->addWidget(new QLabel("Qt test app window (tray + window)."));
+    layout->addWidget(new QLabel("Close hides to tray; use tray menu to quit."));
+    window.setCentralWidget(central);
+    window.resize(720, 420);
+
+    auto *tray = new QSystemTrayIcon(QIcon::fromTheme("applications-system"), &app);
+    auto *menu = new QMenu();
+    QAction *showAction = menu->addAction("Show Window");
+    QAction *quitAction = menu->addAction("Quit");
+    QObject::connect(showAction, &QAction::triggered, [&window]() {
+        window.show();
+        window.raise();
+        window.activateWindow();
+    });
+    QObject::connect(quitAction, &QAction::triggered, &app, &QApplication::quit);
+    tray->setContextMenu(menu);
+    tray->setToolTip("Qt Tray Demo");
+    tray->show();
+
+    QObject::connect(&window, &QMainWindow::windowTitleChanged, [](){});
+    window.show();
+    return app.exec();
+}