CMake: Add QPA Platform interface as optional component

.github/workflows/build.yml

@@ -68,6 +68,7 @@ jobs:
             hicolor-icon-theme
             qt6-core-devel
             qt6-gui-devel
+            qt6-gui-private-devel
             qt6-widgets-devel
             qt6-concurrent-devel
             qt6-network-devel
@@ -464,7 +465,9 @@ jobs:
             libcdio-dev
             libmtp-dev
             libgpod-dev
+            libxkbcommon-dev
             qt6-base-dev
+            qt6-base-private-dev
             qt6-base-dev-tools
             qt6-tools-dev
             qt6-tools-dev-tools
@@ -545,7 +548,9 @@ jobs:
             libcdio-dev
             libmtp-dev
             libgpod-dev
+            libxkbcommon-dev
             qt6-base-dev
+            qt6-base-private-dev
             qt6-base-dev-tools
             qt6-tools-dev
             qt6-tools-dev-tools

CMakeLists.txt

@@ -214,30 +214,23 @@ set(QT_VERSION_MAJOR 6)
 set(QT_MIN_VERSION 6.4.0)
 set(QT_DEFAULT_MAJOR_VERSION ${QT_VERSION_MAJOR})
 set(QT_COMPONENTS Core Concurrent Gui Widgets Network Sql)
-set(QT_OPTIONAL_COMPONENTS LinguistTools Test)
+set(QT_OPTIONAL_COMPONENTS GuiPrivate LinguistTools Test)
 if(UNIX AND NOT APPLE)
   list(APPEND QT_OPTIONAL_COMPONENTS DBus)
 endif()
+set(QT_NO_PRIVATE_MODULE_WARNING ON)
 
 find_package(Qt${QT_VERSION_MAJOR} ${QT_MIN_VERSION} COMPONENTS ${QT_COMPONENTS} REQUIRED OPTIONAL_COMPONENTS ${QT_OPTIONAL_COMPONENTS})
 
+if(TARGET "Qt${QT_VERSION_MAJOR}::GuiPrivate")
+  set(QT_GUI_PRIVATE_FOUND ON)
+endif()
+
 if(Qt${QT_VERSION_MAJOR}DBus_FOUND)
   set(DBUS_FOUND ON)
 endif()
 
 if(X11_FOUND)
-
-  find_path(QPA_QPLATFORMNATIVEINTERFACE_H qpa/qplatformnativeinterface.h PATHS ${Qt${QT_VERSION_MAJOR}Gui_INCLUDE_DIRS} ${Qt${QT_VERSION_MAJOR}Gui_PRIVATE_INCLUDE_DIRS})
-  if(NOT QPA_QPLATFORMNATIVEINTERFACE_H)
-    find_path(QPA_QPLATFORMNATIVEINTERFACE_H ${Qt${QT_VERSION_MAJOR}Gui_VERSION}/QtGui/qpa/qplatformnativeinterface.h PATHS ${Qt${QT_VERSION_MAJOR}Gui_INCLUDE_DIRS} ${Qt${QT_VERSION_MAJOR}Gui_PRIVATE_INCLUDE_DIRS})
-  endif()
-  if(QPA_QPLATFORMNATIVEINTERFACE_H)
-    set(HAVE_QPA_QPLATFORMNATIVEINTERFACE_H ON)
-    message(STATUS "Have qpa/qplatformnativeinterface.h header.")
-  else()
-    message(STATUS "Missing qpa/qplatformnativeinterface.h header.")
-  endif()
-
   # Check for QX11Application (Qt 6 compiled with XCB).
   set(CMAKE_REQUIRED_FLAGS "-std=c++17")
   set(CMAKE_REQUIRED_LIBRARIES Qt${QT_VERSION_MAJOR}::Core Qt${QT_VERSION_MAJOR}::Gui)
@@ -252,7 +245,6 @@ if(X11_FOUND)
   )
   unset(CMAKE_REQUIRED_FLAGS)
   unset(CMAKE_REQUIRED_LIBRARIES)
-
 endif()
 
 # SingleApplication
@@ -375,6 +367,10 @@ if(APPLE OR WIN32)
   )
 endif()
 
+optional_component(QPA_QPLATFORMNATIVEINTERFACE ON "QPA Platform interface"
+  DEPENDS "Qt Gui Private" QT_GUI_PRIVATE_FOUND
+)
+
 if(HAVE_SONGFINGERPRINTING OR HAVE_MUSICBRAINZ)
   set(HAVE_CHROMAPRINT ON)
 endif()
@@ -1502,10 +1498,6 @@ if(SINGLEAPPLICATION_INCLUDE_DIRS)
   target_include_directories(strawberry_lib SYSTEM PUBLIC ${SINGLEAPPLICATION_INCLUDE_DIRS})
 endif()
 
-if(HAVE_QPA_QPLATFORMNATIVEINTERFACE_H)
-  target_include_directories(strawberry_lib SYSTEM PUBLIC ${Qt${QT_VERSION_MAJOR}Gui_PRIVATE_INCLUDE_DIRS})
-endif()
-
 target_link_libraries(strawberry_lib PUBLIC
   ${CMAKE_THREAD_LIBS_INIT}
   $<$<BOOL:${HAVE_BACKTRACE}>:${Backtrace_LIBRARIES}>
@@ -1526,6 +1518,7 @@ target_link_libraries(strawberry_lib PUBLIC
   Qt${QT_VERSION_MAJOR}::Network
   Qt${QT_VERSION_MAJOR}::Sql
   $<$<BOOL:${HAVE_DBUS}>:Qt${QT_VERSION_MAJOR}::DBus>
+  $<$<BOOL:${HAVE_QPA_QPLATFORMNATIVEINTERFACE}>:Qt${QT_VERSION_MAJOR}::GuiPrivate>
   ICU::uc
   ICU::i18n
   $<$<BOOL:${HAVE_ALSA}>:ALSA::ALSA>

debian/control

@@ -15,7 +15,9 @@ Build-Depends: debhelper-compat (= 12),
                libpulse-dev,
                libtag1-dev,
                libicu-dev,
+               libxkbcommon-dev,
                qt6-base-dev,
+               qt6-base-private-dev,
                qt6-base-dev-tools,
                qt6-tools-dev,
                qt6-tools-dev-tools,

src/config.h.in

@@ -41,8 +41,8 @@
 #cmakedefine INSTALL_TRANSLATIONS
 #define TRANSLATIONS_DIR "${CMAKE_INSTALL_PREFIX}/share/strawberry/translations"
 
+#cmakedefine HAVE_QPA_QPLATFORMNATIVEINTERFACE
 #cmakedefine HAVE_QX11APPLICATION
-#cmakedefine HAVE_QPA_QPLATFORMNATIVEINTERFACE_H
 
 #cmakedefine ENABLE_WIN32_CONSOLE
 

src/osd/osdpretty.cpp

@@ -51,7 +51,7 @@
 #include <QFlags>
 #include <QtEvents>
 
-#ifdef HAVE_QPA_QPLATFORMNATIVEINTERFACE_H
+#ifdef HAVE_QPA_QPLATFORMNATIVEINTERFACE
 #  include <qpa/qplatformnativeinterface.h>
 #endif
 
@@ -214,8 +214,8 @@ void OSDPretty::ScreenRemoved(QScreen *screen) {
 
 bool OSDPretty::IsTransparencyAvailable() {
 
-#ifdef HAVE_QPA_QPLATFORMNATIVEINTERFACE_H
-  if (qApp) {
+#ifdef HAVE_QPA_QPLATFORMNATIVEINTERFACE
+  if (qApp && QGuiApplication::platformName() == "xcb"_L1) {
     QPlatformNativeInterface *native = QGuiApplication::platformNativeInterface();
     QScreen *screen = popup_screen_ == nullptr ? QGuiApplication::primaryScreen() : popup_screen_;
     if (native && screen) {