feat: support treeland platform for wmHelper

WindowManager's some interface may be deprecated, like MotifFunctions
and allWindowIdList.
and there is currently no abstraction of platform common
interfaces.

pms: Bug-287901

src/kernel/dwindowmanagerhelper.cpp

@@ -24,6 +24,10 @@
 
 #include <functional>
 
+#ifndef DTK_DISABLE_TREELAND
+#include "plugins/platform/treeland/personalizationwaylandclientextension.h"
+#endif
+
 DGUI_BEGIN_NAMESPACE
 
 #define DEFINE_CONST_CHAR(Name) const char _##Name[] = "_d_" #Name
@@ -111,6 +115,34 @@ class DWindowManagerHelperPrivate : public DTK_CORE_NAMESPACE::DObjectPrivate
     mutable QList<DForeignWindow *> windowList;
 };
 
+#ifndef DTK_DISABLE_TREELAND
+class TreelandWindowManagerHelper_ : public DWindowManagerHelper
+{
+public:
+    explicit TreelandWindowManagerHelper_(QObject *parent = 0)
+        : DWindowManagerHelper(parent)
+    {
+        connect(PersonalizationManager::instance(), &PersonalizationManager::activeChanged, this, [this](){
+            Q_EMIT hasBlurWindowChanged();
+            Q_EMIT hasNoTitlebarChanged();
+        });
+    }
+    bool hasBlurWindow() const
+    {
+        return PersonalizationManager::instance()->isSupported();
+    }
+    bool hasComposite() const
+    {
+        return true;
+    }
+    bool hasNoTitlebar() const
+    {
+        return PersonalizationManager::instance()->isSupported();
+    }
+};
+Q_GLOBAL_STATIC(TreelandWindowManagerHelper_, treelandWMHGlobal)
+#endif
+
 class DWindowManagerHelper_ : public DWindowManagerHelper {};
 Q_GLOBAL_STATIC(DWindowManagerHelper_, wmhGlobal)
 
@@ -323,6 +355,11 @@ DWindowManagerHelper::~DWindowManagerHelper()
  */
 DWindowManagerHelper *DWindowManagerHelper::instance()
 {
+#ifndef DTK_DISABLE_TREELAND
+        if (DGuiApplicationHelper::testAttribute(DGuiApplicationHelper::IsWaylandPlatform)) {
+            return treelandWMHGlobal;
+        }
+#endif
     return wmhGlobal;
 }
 
@@ -519,6 +556,11 @@ void DWindowManagerHelper::popupSystemWindowMenu(const QWindow *window)
  */
 bool DWindowManagerHelper::hasBlurWindow() const
 {
+#ifndef DTK_DISABLE_TREELAND
+        if (DGuiApplicationHelper::testAttribute(DGuiApplicationHelper::IsWaylandPlatform)) {
+            return treelandWMHGlobal->hasBlurWindow();
+        }
+#endif
     return callPlatformFunction<bool, bool(*)()>(_hasBlurWindow);
 }
 
@@ -528,6 +570,12 @@ bool DWindowManagerHelper::hasBlurWindow() const
  */
 bool DWindowManagerHelper::hasComposite() const
 {
+#ifndef DTK_DISABLE_TREELAND
+        if (DGuiApplicationHelper::testAttribute(DGuiApplicationHelper::IsWaylandPlatform)) {
+            return treelandWMHGlobal->hasComposite();
+        }
+#endif
+
     QFunctionPointer hasComposite = Q_NULLPTR;
 
 #if QT_VERSION >= QT_VERSION_CHECK(5, 4, 0)
@@ -557,6 +605,11 @@ bool DWindowManagerHelper::hasComposite() const
  */
 bool DWindowManagerHelper::hasNoTitlebar() const
 {
+#ifndef DTK_DISABLE_TREELAND
+        if (DGuiApplicationHelper::testAttribute(DGuiApplicationHelper::IsWaylandPlatform)) {
+            return wmhGlobal->hasNoTitlebar();
+        }
+#endif
     return callPlatformFunction<bool, bool(*)()>(_hasNoTitlebar);
 }