Added method SetManagementCursor() that allows to set a cursor that overrides

the normal cursor set with SetCursor(). Intended for window management
interactions.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@39653 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/servers/app/Desktop.cpp

@@ -9,6 +9,7 @@
  *		Andrej Spielmann <[email protected]>
  *		Brecht Machiels <[email protected]>
  *		Clemens Zeidler <[email protected]>
+ *		Ingo Weinhold <[email protected]>
  */
 
 
@@ -605,14 +606,32 @@ Desktop::SetCursor(ServerCursor* newCursor)
 	if (newCursor == NULL)
 		newCursor = fCursorManager.GetCursor(B_CURSOR_ID_SYSTEM_DEFAULT);
 
-	HWInterface()->SetCursor(newCursor);
+	if (newCursor == fCursor)
+		return;
+
+	fCursor = newCursor;
+
+	if (fManagementCursor.Get() == NULL)
+		HWInterface()->SetCursor(newCursor);
 }
 
 
 ServerCursorReference
 Desktop::Cursor() const
 {
-	return HWInterface()->Cursor();
+	return fCursor;
+}
+
+
+void
+Desktop::SetManagementCursor(ServerCursor* newCursor)
+{
+	if (newCursor == fManagementCursor)
+		return;
+
+	fManagementCursor = newCursor;
+
+	HWInterface()->SetCursor(newCursor != NULL ? newCursor : fCursor.Get());
 }
 
 

src/servers/app/Desktop.h

@@ -91,6 +91,8 @@ public:
 
 			void				SetCursor(ServerCursor* cursor);
 			ServerCursorReference Cursor() const;
+			void				SetManagementCursor(ServerCursor* newCursor);
+
 			void				SetLastMouseState(const BPoint& position,
 									int32 buttons, Window* windowUnderMouse);
 									// for use by the mouse filter only
@@ -330,6 +332,8 @@ private:
 			BLocker				fWorkspacesLock;
 
 			CursorManager		fCursorManager;
+			ServerCursorReference fCursor;
+			ServerCursorReference fManagementCursor;
 
 			MultiLocker			fWindowLock;