1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/dcscreen.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Id: $Id: dcscreen.cpp 39021 2006-05-04 07:57:04Z ABX $
6 // Copyright: (c) 1998 Robert Roebling
7 // Licence: wxWindows licence
8 /////////////////////////////////////////////////////////////////////////////
9
10 // For compilers that support precompilation, includes "wx.h".
11 #include "wx/wxprec.h"
12
13 #include "wx/dcscreen.h"
14
15 #ifndef WX_PRECOMP
16 #include "wx/window.h"
17 #endif
18
19 #include <gdk/gdk.h>
20 #include <gdk/gdkx.h>
21 #include <gtk/gtk.h>
22
23 //-----------------------------------------------------------------------------
24 // global data initialization
25 //-----------------------------------------------------------------------------
26
27 GdkWindow *wxScreenDC::sm_overlayWindow = (GdkWindow*) NULL;
28 int wxScreenDC::sm_overlayWindowX = 0;
29 int wxScreenDC::sm_overlayWindowY = 0;
30
31 //-----------------------------------------------------------------------------
32 // wxScreenDC
33 //-----------------------------------------------------------------------------
34
IMPLEMENT_DYNAMIC_CLASS(wxScreenDC,wxPaintDC)35 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC,wxPaintDC)
36
37 wxScreenDC::wxScreenDC()
38 {
39 m_ok = false;
40 m_cmap = gdk_colormap_get_system();
41 m_window = gdk_get_default_root_window();
42
43 m_context = gdk_pango_context_get();
44 // Note: The Sun customised version of Pango shipping with Solaris 10
45 // crashes if the language is left NULL (see bug 1374114)
46 pango_context_set_language( m_context, gtk_get_default_language() );
47 m_layout = pango_layout_new( m_context );
48 // m_fontdesc = pango_font_description_copy( widget->style->font_desc );
49
50 m_isScreenDC = true;
51
52 SetUpDC();
53
54 gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
55 gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
56 gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
57 gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
58 }
59
~wxScreenDC()60 wxScreenDC::~wxScreenDC()
61 {
62 gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
63 gdk_gc_set_subwindow( m_brushGC, GDK_CLIP_BY_CHILDREN );
64 gdk_gc_set_subwindow( m_textGC, GDK_CLIP_BY_CHILDREN );
65 gdk_gc_set_subwindow( m_bgGC, GDK_CLIP_BY_CHILDREN );
66
67 EndDrawingOnTop();
68 }
69
StartDrawingOnTop(wxWindow *)70 bool wxScreenDC::StartDrawingOnTop( wxWindow * )
71 {
72 return true;
73 }
74
StartDrawingOnTop(wxRect *)75 bool wxScreenDC::StartDrawingOnTop( wxRect * )
76 {
77 return true;
78 }
79
EndDrawingOnTop()80 bool wxScreenDC::EndDrawingOnTop()
81 {
82 return true;
83 }
84
DoGetSize(int * width,int * height) const85 void wxScreenDC::DoGetSize(int *width, int *height) const
86 {
87 wxDisplaySize(width, height);
88 }
89