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1/////////////////////////////////////////////////////////////////////////////
2// Name: dcscreen.cpp
3// Purpose: wxScreenDC class
4// Author: Julian Smart, Robert Roebling
5// Modified by:
6// Created: 17/09/98
7// RCS-ID: $Id$
8// Copyright: (c) Julian Smart, Robert Roebling
9// Licence: wxWindows licence
10/////////////////////////////////////////////////////////////////////////////
11
12#ifdef __GNUG__
13#pragma implementation "dcscreen.h"
14#endif
15
16#include "wx/window.h"
17#include "wx/frame.h"
18#include "wx/dcscreen.h"
19#include "wx/utils.h"
20#include "wx/app.h"
21#include "wx/fontutil.h"
22
23#include "wx/x11/private.h"
24
25//-----------------------------------------------------------------------------
26// global data initialization
27//-----------------------------------------------------------------------------
28
29WXWindow *wxScreenDC::sm_overlayWindow = (WXWindow*) NULL;
30int wxScreenDC::sm_overlayWindowX = 0;
31int wxScreenDC::sm_overlayWindowY = 0;
32
33//-----------------------------------------------------------------------------
34// wxScreenDC
35//-----------------------------------------------------------------------------
36
37IMPLEMENT_DYNAMIC_CLASS(wxScreenDC,wxPaintDC)
38
39wxScreenDC::wxScreenDC()
40{
41 m_ok = FALSE;
42
43 m_display = (WXDisplay *) wxGlobalDisplay();
44
45 int screen = DefaultScreen( (Display*) m_display );
46 m_cmap = (WXColormap) DefaultColormap( (Display*) m_display, screen );
47
48 m_window = (WXWindow) RootWindow( (Display*) m_display, screen );
49
50 m_isScreenDC = TRUE;
51
52#if wxUSE_UNICODE
53 m_context = wxTheApp->GetPangoContext();
54 m_fontdesc = wxNORMAL_FONT->GetNativeFontInfo()->description;
55#endif
56
57 SetUpDC();
58
59 XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, IncludeInferiors );
60 XSetSubwindowMode( (Display*) m_display, (GC) m_brushGC, IncludeInferiors );
61 XSetSubwindowMode( (Display*) m_display, (GC) m_textGC, IncludeInferiors );
62 XSetSubwindowMode( (Display*) m_display, (GC) m_bgGC, IncludeInferiors );
63}
64
65wxScreenDC::~wxScreenDC()
66{
67 XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, ClipByChildren );
68 XSetSubwindowMode( (Display*) m_display, (GC) m_brushGC, ClipByChildren );
69 XSetSubwindowMode( (Display*) m_display, (GC) m_textGC, ClipByChildren );
70 XSetSubwindowMode( (Display*) m_display, (GC) m_bgGC, ClipByChildren );
71
72 EndDrawingOnTop();
73}
74
75bool wxScreenDC::StartDrawingOnTop( wxWindow *window )
76{
77 if (!window) return StartDrawingOnTop();
78
79 int x = 0;
80 int y = 0;
81 window->GetPosition( &x, &y );
82 int w = 0;
83 int h = 0;
84 window->GetSize( &w, &h );
85 window->ClientToScreen( &x, &y );
86
87 wxRect rect;
88 rect.x = x;
89 rect.y = y;
90 rect.width = 0;
91 rect.height = 0;
92
93 return StartDrawingOnTop( &rect );
94}
95
96bool wxScreenDC::StartDrawingOnTop( wxRect *rectIn )
97{
98 // VZ: should we do the same thing that wxMotif wxScreenDC does here?
99#if 0
100 wxRect rect;
101 if ( rectIn )
102 {
103 rect = *rectIn;
104 }
105 else
106 {
107 rect.x =
108 rect.y = 0;
109
110 DoGetSize(&rect.width, &rect.height);
111 }
112#endif // 0
113
114 return TRUE;
115}
116
117bool wxScreenDC::EndDrawingOnTop()
118{
119 return TRUE;
120}
121
122void wxScreenDC::DoGetSize(int *width, int *height) const
123{
124 wxDisplaySize(width, height);
125}