Implemented AS_SET_DESKTOP_COLOR - the desktop is not redrawn yet, but freshly exposed

areas will be filled with the new color.


git-svn-id: file:///srv/svn/repos/haiku/haiku/trunk@15724 a95241bf-73f2-0310-859d-f6bbb57e9c96

src/servers/app/ServerApp.cpp

@@ -2123,6 +2123,33 @@ ServerApp::_DispatchMessage(int32 code, BPrivate::LinkReceiver& link)
 			break;
 		}
 
+		case AS_SET_DESKTOP_COLOR:
+		{
+			STRACE(("ServerApp %s: set desktop color\n", Signature()));
+
+			rgb_color color;
+			uint32 index;
+			bool makeDefault;
+
+			link.Read<rgb_color>(&color);
+			link.Read<uint32>(&index);
+			if (link.Read<bool>(&makeDefault) != B_OK)
+				break;
+
+			fDesktop->Lock();
+
+			// we're nice to our children (and also take the default case
+			// into account which asks for the current workspace)
+			if (index >= (uint32)kMaxWorkspaces)
+				index = fDesktop->CurrentWorkspace();
+
+			Workspace workspace(*fDesktop, index);
+			workspace.SetColor(color, makeDefault);
+
+			fDesktop->Unlock();
+			break;
+		}
+
 		case AS_GET_ACCELERANT_INFO:
 		{
 			STRACE(("ServerApp %s: get accelerant info\n", Signature()));

src/servers/app/Workspace.cpp

@@ -90,6 +90,15 @@ Workspace::Color() const
 }
 
 
+void
+Workspace::SetColor(const RGBColor& color, bool makeDefault)
+{
+	// TODO: support makeDefault
+	// TODO: redraw desktop!
+	fWorkspace.SetColor(color);
+}
+
+
 status_t
 Workspace::GetNextWindow(WindowLayer*& _window, BPoint& _leftTop)
 {

src/servers/app/Workspace.h

@@ -23,6 +23,7 @@ class Workspace {
 		~Workspace();
 
 		const RGBColor& Color() const;
+		void		SetColor(const RGBColor& color, bool makeDefault);
 		bool		IsCurrent() const
 						{ return fCurrentWorkspace; }