🔧 Use CMake KWin version detection

Author: Schneegans

src/CMakeLists.txt

@@ -31,4 +31,9 @@ elseif(DEFINED KWin_VERSION AND KWin_VERSION VERSION_GREATER_EQUAL "6.3.0")
     KANDO_KWIN_HAS_TABLET_TOOL_AXIS_PROXIMITY_TABLET_EVENT)
 else()
   target_compile_definitions(kandointegration PRIVATE KANDO_KWIN_HAS_TABLET_TOOL_EVENT)
+endif()
+
+# KWin 6.7 changed EffectHandler::clientArea() and removed the screen argument.
+if(DEFINED KWin_VERSION AND KWin_VERSION VERSION_GREATER_EQUAL "6.7.0")
+  target_compile_definitions(kandointegration PRIVATE KANDO_KWIN_HAS_CLIENT_AREA_TWO_ARGS)
 endif()

src/plugin/KandoKWinIntegrationPlugin.cpp

@@ -10,7 +10,6 @@
 
 #include "KandoKWinIntegrationPlugin.h"
 
-#include <config-kwin.h>
 #include <effect/effecthandler.h>
 #include <effect/effectwindow.h>
 
@@ -57,7 +56,7 @@ QVariantMap KandoKWinIntegrationPlugin::getWMInfo() const {
   const auto windowName = activeWindow ? activeWindow->caption() : QString();
   const auto appName    = activeWindow ? activeWindow->windowClass() : QString();
 
-#if (PROJECT_VERSION_MAJOR >= 6) && (PROJECT_VERSION_MINOR >= 7)
+#if defined(KANDO_KWIN_HAS_CLIENT_AREA_TWO_ARGS)
   QRectF workArea = KWin::effects->clientArea(KWin::MaximizeArea, pointerPos.toPoint());
 #else
   QRectF workArea =