src/x11/dcscreen.cpp

   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
  21 #include "wx/x11/private.h"
  22
  23 //-----------------------------------------------------------------------------
  24 // global data initialization
  25 //-----------------------------------------------------------------------------
  26
  27 WXWindow *wxScreenDC::sm_overlayWindow  = (WXWindow*) NULL;
  28 int wxScreenDC::sm_overlayWindowX = 0;
  29 int wxScreenDC::sm_overlayWindowY = 0;
  30
  31 //-----------------------------------------------------------------------------
  32 // wxScreenDC
  33 //-----------------------------------------------------------------------------
  34
  35 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC,wxPaintDC)
  36
  37 wxScreenDC::wxScreenDC()
  38 {
  39     m_ok = FALSE;
  40
  41     m_display = (WXDisplay *) wxGlobalDisplay();
  42
  43     int screen = DefaultScreen( (Display*) m_display );
  44     m_cmap = (WXColormap) DefaultColormap( (Display*) m_display, screen );
  45
  46     m_window = (WXWindow) RootWindow( (Display*) m_display, screen );
  47
  48     m_isScreenDC = TRUE;
  49
  50     SetUpDC();
  51
  52     XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, IncludeInferiors );
  53     XSetSubwindowMode( (Display*) m_display, (GC) m_brushGC, IncludeInferiors );
  54     XSetSubwindowMode( (Display*) m_display, (GC) m_textGC, IncludeInferiors );
  55     XSetSubwindowMode( (Display*) m_display, (GC) m_bgGC, IncludeInferiors );
  56 }
  57
  58 wxScreenDC::~wxScreenDC()
  59 {
  60     XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, ClipByChildren );
  61     XSetSubwindowMode( (Display*) m_display, (GC) m_brushGC, ClipByChildren );
  62     XSetSubwindowMode( (Display*) m_display, (GC) m_textGC, ClipByChildren );
  63     XSetSubwindowMode( (Display*) m_display, (GC) m_bgGC, ClipByChildren );
  64
  65     EndDrawingOnTop();
  66 }
  67
  68 bool wxScreenDC::StartDrawingOnTop( wxWindow *window )
  69 {
  70     if (!window) return StartDrawingOnTop();
  71
  72     int x = 0;
  73     int y = 0;
  74     window->GetPosition( &x, &y );
  75     int w = 0;
  76     int h = 0;
  77     window->GetSize( &w, &h );
  78     window->ClientToScreen( &x, &y );
  79
  80     wxRect rect;
  81     rect.x = x;
  82     rect.y = y;
  83     rect.width = 0;
  84     rect.height = 0;
  85
  86     return StartDrawingOnTop( &rect );
  87 }
  88
  89 bool wxScreenDC::StartDrawingOnTop( wxRect *rect )
  90 {
  91     int x = 0;
  92     int y = 0;
  93 #if 0
  94     int width = gdk_screen_width();
  95     int height = gdk_screen_height();
  96 #else
  97     int width = 1024;
  98     int height = 768;
  99 #endif
 100     if (rect)
 101     {
 102         x = rect->x;
 103         y = rect->y;
 104         width = rect->width;
 105         height = rect->height;
 106     }
 107
 108     return TRUE;
 109 }
 110
 111 bool wxScreenDC::EndDrawingOnTop()
 112 {
 113     return TRUE;
 114 }
 115
 116 void wxScreenDC::DoGetSize(int *width, int *height) const
 117 {
 118     wxDisplaySize(width, height);
 119 }