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
27GdkWindow *wxScreenDC::sm_overlayWindow  = (GdkWindow*) NULL;
28int wxScreenDC::sm_overlayWindowX = 0;
29int wxScreenDC::sm_overlayWindowY = 0;
30
31//-----------------------------------------------------------------------------
32// wxScreenDC
33//-----------------------------------------------------------------------------
34
35IMPLEMENT_DYNAMIC_CLASS(wxScreenDC,wxPaintDC)
36
37wxScreenDC::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
60wxScreenDC::~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
70bool wxScreenDC::StartDrawingOnTop( wxWindow * )
71{
72    return true;
73}
74
75bool wxScreenDC::StartDrawingOnTop( wxRect * )
76{
77    return true;
78}
79
80bool wxScreenDC::EndDrawingOnTop()
81{
82    return true;
83}
84
85void wxScreenDC::DoGetSize(int *width, int *height) const
86{
87    wxDisplaySize(width, height);
88}
89