Added ModifiersChanged() hook to Window and [Default]WindowBehavior.

git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39622 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/servers/app/DefaultWindowBehaviour.cpp

@@ -859,6 +859,12 @@ DefaultWindowBehaviour::MouseMoved(BMessage *message, BPoint where, bool isFake)
 }
 
 
+void
+DefaultWindowBehaviour::ModifiersChanged(int32 modifiers)
+{
+}
+
+
 bool
 DefaultWindowBehaviour::_IsWindowModifier(int32 modifiers) const
 {

src/servers/app/DefaultWindowBehaviour.h

@@ -34,6 +34,8 @@ public:
 	virtual	void				MouseMoved(BMessage *message, BPoint where,
 									bool isFake);
 
+	virtual	void				ModifiersChanged(int32 modifiers);
+
 private:
 			enum Region {
 				REGION_NONE,

src/servers/app/Desktop.cpp

@@ -490,6 +490,19 @@ Desktop::BroadcastToAllWindows(int32 code)
 void
 Desktop::KeyEvent(uint32 what, int32 key, int32 modifiers)
 {
+	if (LockAllWindows()) {
+		Window* window = MouseEventWindow();
+		if (window == NULL)
+			window = WindowAt(fLastMousePosition);
+
+		if (window != NULL) {
+			if (what == B_MODIFIERS_CHANGED)
+				window->ModifiersChanged(modifiers);
+		}
+
+		UnlockAllWindows();
+	}
+
 	NotifyKeyPressed(what, key, modifiers);
 }
 

src/servers/app/Window.cpp

@@ -867,6 +867,13 @@ Window::MouseMoved(BMessage *message, BPoint where, int32* _viewToken,
 }
 
 
+void
+Window::ModifiersChanged(int32 modifiers)
+{
+	fWindowBehaviour->ModifiersChanged(modifiers);
+}
+
+
 // #pragma mark -
 
 
@@ -1046,7 +1053,7 @@ Window::SetTabLocation(float location, BRegion& dirty)
 {
 	if (fDecorator)
 		return fDecorator->SetTabLocation(location, &dirty);
-		
+
 	return false;
 }
 

src/servers/app/Window.h

@@ -151,6 +151,8 @@ public:
 									int32* _viewToken, bool isLatestMouseMoved,
 									bool isFake);
 
+			void				ModifiersChanged(int32 modifiers);
+
 			// some hooks to inform the client window
 			// TODO: move this to ServerWindow maybe?
 			void				WorkspaceActivated(int32 index, bool active);

src/servers/app/WindowBehaviour.cpp

@@ -15,11 +15,15 @@ WindowBehaviour::WindowBehaviour()
 	fIsResizing(false),
 	fIsDragging(false)
 {
-
 }
 
 
 WindowBehaviour::~WindowBehaviour()
 {
-
+}
+
+
+void
+WindowBehaviour::ModifiersChanged(int32 modifiers)
+{
 }

src/servers/app/WindowBehaviour.h

@@ -26,6 +26,8 @@ public:
 	virtual	void				MouseMoved(BMessage *message, BPoint where,
 									bool isFake) = 0;
 
+	virtual	void				ModifiersChanged(int32 modifiers);
+
 			bool				IsDragging() const { return fIsDragging; }
 			bool				IsResizing() const { return fIsResizing; }