src/gtk/dcscreen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        dcscreen.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   6 // Copyright:   (c) 1998 Robert Roebling
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 #ifdef __GNUG__
  11 #pragma implementation "dcscreen.h"
  12 #endif
  13
  14 #include "wx/dcscreen.h"
  15 #include "wx/window.h"
  16
  17 #include <gdk/gdk.h>
  18 #include <gdk/gdkx.h>
  19 #include <gtk/gtk.h>
  20
  21 //-----------------------------------------------------------------------------
  22 // global data initialization
  23 //-----------------------------------------------------------------------------
  24
  25 GdkWindow *wxScreenDC::sm_overlayWindow  = (GdkWindow*) 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     m_cmap = gdk_colormap_get_system();
  39     m_window = GDK_ROOT_PARENT();
  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 wxScreenDC::~wxScreenDC()
  52 {
  53     gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
  54     gdk_gc_set_subwindow( m_brushGC, GDK_CLIP_BY_CHILDREN );
  55     gdk_gc_set_subwindow( m_textGC, GDK_CLIP_BY_CHILDREN );
  56     gdk_gc_set_subwindow( m_bgGC, GDK_CLIP_BY_CHILDREN );
  57
  58     EndDrawingOnTop();
  59 }
  60
  61 bool wxScreenDC::StartDrawingOnTop( wxWindow *window )
  62 {
  63     if (!window) return StartDrawingOnTop();
  64
  65     int x = 0;
  66     int y = 0;
  67     window->GetPosition( &x, &y );
  68     int w = 0;
  69     int h = 0;
  70     window->GetSize( &w, &h );
  71     window->ClientToScreen( &x, &y );
  72
  73     wxRect rect;
  74     rect.x = x;
  75     rect.y = y;
  76     rect.width = 0;
  77     rect.height = 0;
  78
  79     return StartDrawingOnTop( &rect );
  80 }
  81
  82 bool wxScreenDC::StartDrawingOnTop( wxRect *rect )
  83 {
  84     int x = 0;
  85     int y = 0;
  86     int width = gdk_screen_width();
  87     int height = gdk_screen_height();
  88     if (rect)
  89     {
  90         x = rect->x;
  91         y = rect->y;
  92         width = rect->width;
  93         height = rect->height;
  94     }
  95
  96     return TRUE;
  97 }
  98
  99 bool wxScreenDC::EndDrawingOnTop()
 100 {
 101     return TRUE;
 102 }
 103
 104 void wxScreenDC::DoGetSize(int *width, int *height) const
 105 {
 106     wxDisplaySize(width, height);
 107 }