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[wxWidgets.git] / src / gtk / dcscreen.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: src/gtk/dcscreen.cpp
3 // Purpose:
4 // Author: Robert Roebling
5 // Copyright: (c) 1998 Robert Roebling
6 // Licence: wxWindows licence
7 /////////////////////////////////////////////////////////////////////////////
8
9 // For compilers that support precompilation, includes "wx.h".
10 #include "wx/wxprec.h"
11
12 #include "wx/gtk/dcscreen.h"
13
14 #include <gtk/gtk.h>
15
16 //-----------------------------------------------------------------------------
17 // wxScreenDCImpl
18 //-----------------------------------------------------------------------------
19
20 IMPLEMENT_ABSTRACT_CLASS(wxScreenDCImpl, wxWindowDCImpl)
21
22 wxScreenDCImpl::wxScreenDCImpl( wxScreenDC *owner )
23 : wxWindowDCImpl( owner )
24 {
25 Init();
26 }
27
28 void wxScreenDCImpl::Init()
29 {
30 m_ok = false;
31 m_cmap = gdk_colormap_get_system();
32 m_gdkwindow = gdk_get_default_root_window();
33
34 m_context = gdk_pango_context_get();
35 // Note: The Sun customised version of Pango shipping with Solaris 10
36 // crashes if the language is left NULL (see bug 1374114)
37 pango_context_set_language( m_context, gtk_get_default_language() );
38 m_layout = pango_layout_new( m_context );
39 // m_fontdesc = pango_font_description_copy( widget->style->font_desc );
40
41 m_isScreenDC = true;
42
43 SetUpDC();
44
45 gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
46 gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
47 gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
48 gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
49 }
50
51 wxScreenDCImpl::~wxScreenDCImpl()
52 {
53 g_object_unref(m_context);
54
55 gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
56 gdk_gc_set_subwindow( m_brushGC, GDK_CLIP_BY_CHILDREN );
57 gdk_gc_set_subwindow( m_textGC, GDK_CLIP_BY_CHILDREN );
58 gdk_gc_set_subwindow( m_bgGC, GDK_CLIP_BY_CHILDREN );
59 }
60
61 void wxScreenDCImpl::DoGetSize(int *width, int *height) const
62 {
63 wxDisplaySize(width, height);
64 }