Build Qt in snap to get newer version than in Ubuntu

snap/snapcraft.yaml

@@ -68,17 +68,16 @@ parts:
     source: .
     source-type: git
     parse-info: [usr/share/metainfo/telegram-desktop_telegram-desktop.appdata.xml]
+    build-environment:
+      - LD_LIBRARY_PATH: $SNAPCRAFT_STAGE/usr/lib/$SNAPCRAFT_ARCH_TRIPLET:$LD_LIBRARY_PATH
     build-packages:
       - python
-      - qtbase5-private-dev
       - libasound2-dev
       - libglib2.0-dev
       - libgtk-3-dev
-      - libkf5wayland-dev
       - liblzma-dev
       - libopus-dev
       - libpulse-dev
-      - libqt5waylandclient5-dev
       - libssl-dev
       - libxcb1-dev
       - libxcb-keysyms1-dev
@@ -86,16 +85,12 @@ parts:
       - libxcb-screensaver0-dev
       - zlib1g-dev
     stage-packages:
-      - qt5-image-formats-plugins
-      - qtwayland5
       - libasound2
       - libglib2.0-0
       - libgtk-3-0
-      - libkf5waylandclient5
       - liblzma5
       - libopus0
       - libpulse0
-      - libqt5waylandclient5
       - libssl1.1
       - libxcb1
       - libxcb-keysyms1
@@ -108,7 +103,7 @@ parts:
       - -DTDESKTOP_API_ID=611335
       - -DTDESKTOP_API_HASH=d524b414d21f4d37f08684c1df41ac9c
       - -DDESKTOP_APP_USE_PACKAGED_LAZY=ON
-      - -DDESKTOP_APP_QTWAYLANDCLIENT_PRIVATE_HEADERS=$SNAPCRAFT_STAGE/usr/include/$SNAPCRAFT_ARCH_TRIPLET/qt5/QtWaylandClient/5.12.8
+      - -DDESKTOP_APP_USE_PACKAGED_LAZY_PLATFORMTHEMES=OFF
       - -DTDESKTOP_LAUNCHER_BASENAME=telegram-desktop_telegram-desktop
     override-pull: |
       snapcraftctl pull
@@ -134,11 +129,19 @@ parts:
     after:
       - desktop-qt5
       - ffmpeg
+      - kwayland
       - mozjpeg
       - openal
-      - qtwayland
       - webrtc
 
+  patches:
+    source: https://github.com/desktop-app/patches.git
+    source-depth: 1
+    plugin: dump
+    organize:
+      "*": patches/
+    prime: [-./*]
+
   desktop-qt5:
     source: https://github.com/ubuntu/snapcraft-desktop-helpers.git
     source-subdir: qt
@@ -146,7 +149,6 @@ parts:
     make-parameters: ["FLAVOR=qt5"]
     build-packages:
       - build-essential
-      - qtbase5-dev
       - dpkg-dev
     stage-packages:
       - libxkbcommon0
@@ -156,26 +158,25 @@ parts:
       - 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
     stage:
       - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/libjpeg.so.8.2.2
     after:
       - mozjpeg
+      - qt5
 
-  qt5-xdgdesktopportal-platform:
-    plugin: nil
-    stage-packages:
-      - qt5-xdgdesktopportal-platformtheme
-    stage:
-      - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/libjpeg.so.8.2.2
-    after:
-      - mozjpeg
+  extra-cmake-modules:
+    source: https://github.com/KDE/extra-cmake-modules.git
+    source-depth: 1
+    source-tag: v5.77.0
+    plugin: cmake
+    cmake-parameters:
+      - -DCMAKE_BUILD_TYPE=Release
+      - -DCMAKE_INSTALL_PREFIX=/usr
+      - -DBUILD_TESTING=OFF
+    prime: [-./*]
 
   ffmpeg:
     plugin: nil
@@ -196,6 +197,32 @@ parts:
     after:
       - mozjpeg
 
+  kwayland:
+    source: https://github.com/KDE/kwayland.git
+    source-depth: 1
+    source-tag: v5.77.0
+    plugin: cmake
+    build-packages:
+      - libwayland-dev
+      - wayland-protocols
+    stage-packages:
+      - libwayland-client0
+      - libwayland-server0
+    cmake-parameters:
+      - -DCMAKE_BUILD_TYPE=Release
+      - -DCMAKE_INSTALL_PREFIX=/usr
+      - -DBUILD_TESTING=OFF
+    prime:
+      - -./usr/include
+      - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/libexec
+      - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/pkgconfig
+      - -./usr/mkspecs
+      - -./usr/share
+    after:
+      - extra-cmake-modules
+      - desktop-qt5
+      - plasma-wayland-protocols
+
   mozjpeg:
     source: https://github.com/mozilla/mozjpeg.git
     source-depth: 1
@@ -236,19 +263,146 @@ parts:
       - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/cmake
       - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/pkgconfig
 
-  qtwayland:
-    source: https://github.com/qt/qtwayland.git
+  plasma-wayland-protocols:
+    source: https://github.com/KDE/plasma-wayland-protocols.git
     source-depth: 1
-    source-tag: v5.12.8
-    plugin: dump
-    override-build: |
-      qmake
-      make -j$(nproc)
-      make INSTALL_ROOT="$SNAPCRAFT_PART_INSTALL" install
-    stage: [-./usr/lib]
+    source-tag: v1.1.1
+    plugin: cmake
+    cmake-parameters:
+      - -DCMAKE_BUILD_TYPE=Release
+      - -DCMAKE_INSTALL_PREFIX=/usr
     prime: [-./*]
     after:
-      - desktop-qt5
+      - extra-cmake-modules
+
+  qt5:
+    plugin: nil
+    build-packages:
+      - libdbus-1-dev
+      - libegl-dev
+      - libfontconfig1-dev
+      - libfreetype-dev
+      - libgl-dev
+      - libglib2.0-dev
+      - libharfbuzz-dev
+      - libicu-dev
+      - libpcre2-dev
+      - libpng-dev
+      - libssl-dev
+      - libwayland-dev
+      - libx11-dev
+      - libx11-xcb-dev
+      - libxcb1-dev
+      - libxcb-glx0-dev
+      - libxcb-icccm4-dev
+      - libxcb-image0-dev
+      - libxcb-keysyms1-dev
+      - libxcb-randr0-dev
+      - libxcb-render0-dev
+      - libxcb-render-util0-dev
+      - libxcb-shape0-dev
+      - libxcb-shm0-dev
+      - libxcb-sync-dev
+      - libxcb-util-dev
+      - libxcb-xfixes0-dev
+      - libxcb-xinerama0-dev
+      - libxcb-xinput-dev
+      - libxcb-xkb-dev
+      - libxcursor-dev
+      - libxkbcommon-dev
+      - libxkbcommon-x11-dev
+      - zlib1g-dev
+    stage-packages:
+      - libdbus-1-3
+      - libegl1
+      - libfontconfig1
+      - libfreetype6
+      - libgl1
+      - libglib2.0-0
+      - libharfbuzz0b
+      - libicu66
+      - libpcre2-16-0
+      - libpng16-16
+      - libssl1.1
+      - libwayland-client0
+      - libwayland-egl1
+      - libx11-6
+      - libx11-xcb1
+      - libxcb1
+      - libxcb-glx0
+      - libxcb-icccm4
+      - libxcb-image0
+      - libxcb-keysyms1
+      - libxcb-randr0
+      - libxcb-render0
+      - libxcb-render-util0
+      - libxcb-shape0
+      - libxcb-shm0
+      - libxcb-sync1
+      - libxcb-util1
+      - libxcb-xfixes0
+      - libxcb-xinerama0
+      - libxcb-xinput0
+      - libxcb-xkb1
+      - libxcursor1
+      - libxkbcommon0
+      - libxkbcommon-x11-0
+      - zlib1g
+    override-pull: |
+      QT=5_15_2
+
+      git clone -b v5.15.2 --depth=1 git://code.qt.io/qt/qt5.git .
+      perl init-repository --module-subset=qtbase,qtwayland,qtimageformats,qtsvg
+      git submodule update qtbase qtwayland qtimageformats qtsvg
+
+      cd qtbase
+      find $SNAPCRAFT_STAGE/patches/qtbase_${QT} -type f -print0 | sort -z | xargs -r0 git apply
+      cd ../qtwayland
+      find $SNAPCRAFT_STAGE/patches/qtwayland_${QT} -type f -print0 | sort -z | xargs -r0 git apply
+      cd ..
+    override-build: |
+      ./configure \
+        -prefix /usr \
+        -bindir /usr/lib/qt5/bin \
+        -libdir /usr/lib/$SNAPCRAFT_ARCH_TRIPLET \
+        -docdir /usr/share/qt5/doc \
+        -headerdir /usr/include/$SNAPCRAFT_ARCH_TRIPLET/qt5 \
+        -datadir /usr/share/qt5 \
+        -archdatadir /usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5 \
+        -plugindir /usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/plugins \
+        -importdir /usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/imports \
+        -translationdir /usr/share/qt5/translations \
+        -hostdatadir /usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5 \
+        -sysconfdir /etc/xdg \
+        -examplesdir /usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/examples \
+        -release \
+        -opensource \
+        -confirm-license \
+        -no-gtk \
+        -no-feature-xcb-sm \
+        -no-feature-wayland-server \
+        -openssl-linked \
+        -nomake examples \
+        -nomake tests \
+        -I $SNAPCRAFT_STAGE/usr/include \
+        -L $SNAPCRAFT_STAGE/usr/lib/$SNAPCRAFT_ARCH_TRIPLET
+
+      make -j$(nproc)
+      make INSTALL_ROOT="$SNAPCRAFT_PART_INSTALL" install
+    stage:
+      - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/libjpeg.so.8.2.2
+    prime:
+      - -./usr/include
+      - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/cmake
+      - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/pkgconfig
+      - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/bin
+      - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/mkspecs
+      - -./usr/lib/$SNAPCRAFT_ARCH_TRIPLET/qt5/examples
+      - -./usr/lib/qt5
+      - -./usr/share
+    after:
+      - mozjpeg
+      - patches
 
   webrtc:
     source: https://github.com/desktop-app/tg_owt.git