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