1 /////////////////////////////////////////////////////////////////////////////
2 // Name:        wx/motif/dcscreen.h
3 // Purpose:     wxScreenDCImpl class
4 // Author:      Julian Smart
5 // Modified by:
6 // Created:     17/09/98
7 // Copyright:   (c) Julian Smart
8 // Licence:     wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10 
11 #ifndef _WX_DCSCREEN_H_
12 #define _WX_DCSCREEN_H_
13 
14 #include "wx/motif/dcclient.h"
15 
16 class WXDLLIMPEXP_CORE wxScreenDCImpl : public wxWindowDCImpl
17 {
18 public:
19     // Create a DC representing the whole screen
20     wxScreenDCImpl(wxScreenDC *owner);
21     virtual ~wxScreenDCImpl();
22 
23     // Compatibility with X's requirements for
24     // drawing on top of all windows
25     static bool StartDrawingOnTop(wxWindow* window);
26     static bool StartDrawingOnTop(wxRect* rect = NULL);
27     static bool EndDrawingOnTop();
28 
29 private:
30     static WXWindow sm_overlayWindow;
31 
32     // If we have started transparent drawing at a non-(0,0) point
33     // then we will have to adjust the device origin in the
34     // constructor.
35     static int sm_overlayWindowX;
36     static int sm_overlayWindowY;
37 
38     wxDECLARE_DYNAMIC_CLASS(wxScreenDCImpl);
39 };
40 
41 #endif // _WX_DCSCREEN_H_
42