fix arch package build and fix some build issues related to KFGuiAddons

PKGBUILD

@@ -1,18 +1,18 @@
 pkgname=flameshot-git
 _pkgname=flameshot
-pkgver=r1981.86a646c3
+pkgver=r2022.277eb2f4
 pkgrel=1
 pkgdesc="Powerful yet simple to use screenshot software"
 arch=('i686' 'x86_64' 'aarch64' 'armv7h')
 url="https://github.com/flameshot-org/flameshot"
 license=('GPL-3.0-or-later')
-depends=('qt5-svg' 'hicolor-icon-theme' 'kguiaddons5')
-makedepends=('qt5-tools' 'cmake')
+depends=('qt6-base' 'qt6-svg' 'hicolor-icon-theme' 'kguiaddons')
+makedepends=('qt6-tools' 'cmake' 'ninja')
 optdepends=(
     'gnome-shell-extension-appindicator: for system tray icon if you are using Gnome'
     'grim: for wlroots wayland support'
     'xdg-desktop-portal: for wayland support, you will need the implementation for your wayland desktop environment'
-    'qt5-imageformats: for additional export image formats (e.g. tiff, webp, and more)'
+    'qt6-imageformats: for additional export image formats (e.g. tiff, webp, and more)'
 )
 provides=(flameshot)
 conflicts=(flameshot)
@@ -31,13 +31,11 @@ pkgver() {
 build() {
     cd "${srcdir}/${_pkgname}"
 
-    cmake -B build -S . \
-        -DCMAKE_POLICY_VERSION_MINIMUM=3.5 \
+    cmake -GNinja -B build -S . \
         -DCMAKE_BUILD_TYPE=None \
         -DCMAKE_INSTALL_PREFIX=/usr \
         -DUSE_WAYLAND_CLIPBOARD=1 \
         -DDISABLE_UPDATE_CHECKER=1 \
-        -Wno-dev
 
     cmake --build build
 }

src/CMakeLists.txt

@@ -14,7 +14,7 @@ find_package(
 )
 
 if (USE_WAYLAND_CLIPBOARD)
-    find_package(KF5GuiAddons)
+    find_package(KF6GuiAddons)
 endif()
 
 set(CMAKE_AUTOMOC ON)
@@ -224,7 +224,7 @@ target_link_libraries(
 
 if (USE_WAYLAND_CLIPBOARD)
   target_compile_definitions(flameshot PRIVATE USE_WAYLAND_CLIPBOARD=1)
-  target_link_libraries(flameshot KF5::GuiAddons)
+  target_link_libraries(flameshot KF6::GuiAddons)
 endif()
 
 if (APPLE)

src/core/flameshotdaemon.cpp

@@ -14,6 +14,7 @@
 #include <QDBusMessage>
 #include <QPixmap>
 #include <QRect>
+#include <QIODevice>
 
 #if !defined(DISABLE_UPDATE_CHECKER)
 #include <QDesktopServices>