Use kde-neon extension for better desktop integration

snap/snapcraft.yaml

@@ -15,14 +15,13 @@ architectures:
 
 apps:
   telegram-desktop:
-    command: bin/desktop-launch telegram-desktop
+    command: telegram-desktop
     common-id: org.telegram.desktop
     desktop: share/applications/telegramdesktop.desktop
     environment:
-      # Use GTK3 cursor theme, icon theme and open/save file dialogs.
-      QT_QPA_PLATFORMTHEME: gtk3
-      # The blocker is https://github.com/ubuntu/snapcraft-desktop-helpers/issues/172
-      DISABLE_WAYLAND: 1
+      QT_QPA_PLATFORMTHEME: xdgdesktopportal
+    extensions:
+      - kde-neon
     plugs:
       - alsa
       - audio-playback
@@ -32,9 +31,11 @@ apps:
       - home
       - network
       - network-manager
+      - opengl
       - pulseaudio
       - removable-media
       - unity7
+      - wayland
       - x11
 
 plugs:
@@ -57,6 +58,8 @@ plugs:
 layout:
   /usr/share/alsa:
     bind: $SNAP/usr/share/alsa
+  /usr/share/X11:
+    bind: $SNAP/usr/share/X11
 
 parts:
   telegram:
@@ -64,13 +67,15 @@ parts:
     source: .
     source-type: git
     parse-info: [share/metainfo/telegramdesktop.appdata.xml]
+    build-snaps:
+      - kde-frameworks-5-core18-sdk
+      - kde-frameworks-5-core18
     build-packages:
       - gcc-8
       - g++-8
-      - qtbase5-private-dev
       - libmapbox-variant-dev
       - libasound2-dev
-      - libdbusmenu-qt5-dev
+      - libglvnd-dev
       - libhunspell-dev
       - liblz4-dev
       - liblzma-dev
@@ -80,9 +85,7 @@ parts:
       - libssl-dev
       - zlib1g-dev
     stage-packages:
-      - qt5-image-formats-plugins
       - libasound2
-      - libdbusmenu-qt5-2
       - libhunspell-1.6-0
       - liblz4-1
       - liblzma5
@@ -121,8 +124,8 @@ parts:
       sed -i 's|^Icon=.*|Icon=/share/icons/hicolor/512x512/apps/telegram.png|g' lib/xdg/telegramdesktop.desktop
     after:
       - cmake
-      - desktop-qt5
       - ffmpeg
+      - libdbusmenu-qt
       - openal
       - range-v3
       - xxhash
@@ -132,35 +135,32 @@ parts:
     source: Telegram/Patches
     prime: [-./*]
 
-  desktop-qt5:
-    source: https://github.com/ubuntu/snapcraft-desktop-helpers.git
-    source-subdir: qt
-    plugin: make
-    make-parameters: ["FLAVOR=qt5"]
-    build-packages:
-      - build-essential
-      - qtbase5-dev
-      - dpkg-dev
-    stage-packages:
-      - libxkbcommon0
-      - ttf-ubuntu-font-family
-      - dmz-cursor-theme
-      - light-themes
-      - adwaita-icon-theme
-      - gnome-themes-standard
-      - shared-mime-info
-      - libqt5gui5
-      - libgdk-pixbuf2.0-0
-      - libqt5svg5 # for loading icon themes which are svg
-      - try: [appmenu-qt5] # not available on core18
-      - locales-all
-      - xdg-user-dirs
-      - fcitx-frontend-qt5
-
-  qt5-gtk-platform:
+  qtconf:
     plugin: nil
-    stage-packages:
-      - qt5-gtk-platformtheme
+    override-build: |
+      KF5_DIR=/snap/kde-frameworks-5-core18-sdk/current
+
+      cat << EOF > "$SNAPCRAFT_STAGE/qt.conf"
+      [Paths]
+      Prefix=$KF5_DIR/usr
+      ArchData=lib/$SNAPCRAFT_ARCH_TRIPLET/qt5
+      Binaries=lib/qt5/bin
+      Data=share/qt5
+      Documentation=share/qt5/doc
+      Examples=lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/examples
+      Headers=include/$SNAPCRAFT_ARCH_TRIPLET/qt5
+      HostBinaries=lib/qt5/bin
+      HostData=lib/$SNAPCRAFT_ARCH_TRIPLET/qt5
+      HostLibraries=lib/$SNAPCRAFT_ARCH_TRIPLET
+      Imports=lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/imports
+      Libraries=lib/$SNAPCRAFT_ARCH_TRIPLET
+      LibraryExecutables=lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/libexec
+      Plugins=lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/plugins
+      Qml2Imports=lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/qml
+      Settings=/etc/xdg
+      Translations=share/qt5/translations
+      EOF
+    prime: [-./*]
 
   cmake:
     source: "https://gitlab.kitware.com/cmake/cmake.git"
@@ -212,6 +212,20 @@ parts:
     after:
       - nasm
 
+  fcitx-qt5:
+    source: https://github.com/fcitx/fcitx-qt5.git
+    source-depth: 1
+    source-tag: 1.2.4
+    plugin: cmake
+    build-snaps:
+      - kde-frameworks-5-core18-sdk
+      - kde-frameworks-5-core18
+    build-packages:
+      - libglvnd-dev
+    configflags:
+      - -DCMAKE_BUILD_TYPE=Release
+      - -DENABLE_LIBRARY=OFF
+
   ffmpeg:
     source: https://github.com/FFmpeg/FFmpeg.git
     source-depth: 1
@@ -338,6 +352,20 @@ parts:
       - nasm
       - dav1d
 
+  libdbusmenu-qt:
+    source: https://github.com/unity8-team/libdbusmenu-qt.git
+    source-depth: 1
+    source-tag: 0.9.3+16.04.20160218-0ubuntu1
+    plugin: cmake
+    build-snaps:
+      - kde-frameworks-5-core18-sdk
+      - kde-frameworks-5-core18
+    build-packages:
+      - libglvnd-dev
+    configflags:
+      - -DCMAKE_BUILD_TYPE=Release
+      - -DWITH_DOC=OFF
+
   openal:
     source: https://github.com/kcat/openal-soft.git
     source-depth: 1
@@ -371,6 +399,50 @@ parts:
       - -DRANGE_V3_DOCS=OFF
     prime: [-./*]
 
+  qgnomeplatform:
+    source: https://github.com/FedoraQt/QGnomePlatform.git
+    source-depth: 1
+    source-tag: 0.6.0
+    plugin: dump
+    build-snaps:
+      - kde-frameworks-5-core18-sdk
+      - kde-frameworks-5-core18
+    build-packages:
+      - libglvnd-dev
+      - libgtk-3-dev
+    stage-packages:
+      - libgtk-3-0
+    override-build: |
+      KF5_DIR=/snap/kde-frameworks-5-core18-sdk/current
+
+      $KF5_DIR/usr/lib/qt5/bin/qmake -qtconf "$SNAPCRAFT_STAGE/qt.conf"
+      make sub-theme-all
+      install -D "$SNAPCRAFT_PART_BUILD/theme/libqgnomeplatform.so" "$SNAPCRAFT_PART_INSTALL/usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/plugins/platformthemes/libqgnomeplatform.so"
+    after:
+      - qtconf
+
+  qtimageformats:
+    source: https://github.com/qt/qtimageformats.git
+    source-depth: 1
+    source-tag: v5.12.3
+    plugin: dump
+    build-snaps:
+      - kde-frameworks-5-core18-sdk
+      - kde-frameworks-5-core18
+    build-packages:
+      - libglvnd-dev
+    override-build: |
+      KF5_DIR=/snap/kde-frameworks-5-core18-sdk/current
+
+      $KF5_DIR/usr/lib/qt5/bin/qmake -qtconf "$SNAPCRAFT_STAGE/qt.conf"
+      make
+      make INSTALL_ROOT="$SNAPCRAFT_PART_INSTALL" install
+
+      mv "$SNAPCRAFT_PART_INSTALL/$KF5_DIR/usr" "$SNAPCRAFT_PART_INSTALL/usr"
+      rmdir "$SNAPCRAFT_PART_INSTALL/$KF5_DIR"
+    after:
+      - qtconf
+
   xxhash:
     source: https://github.com/Cyan4973/xxHash.git
     source-depth: 1