src/gtk1/dcscreen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk1/dcscreen.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Id:          $Id$
   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
  27 GdkWindow *wxScreenDC::sm_overlayWindow  = (GdkWindow*) 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     m_cmap = gdk_colormap_get_system();
  41     m_window = GDK_ROOT_PARENT();
  42
  43     m_isScreenDC = true;
  44
  45     SetUpDC();
  46
  47     gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
  48     gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
  49     gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
  50     gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
  51 }
  52
  53 wxScreenDC::~wxScreenDC()
  54 {
  55     gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
  56     gdk_gc_set_subwindow( m_brushGC, GDK_CLIP_BY_CHILDREN );
  57     gdk_gc_set_subwindow( m_textGC, GDK_CLIP_BY_CHILDREN );
  58     gdk_gc_set_subwindow( m_bgGC, GDK_CLIP_BY_CHILDREN );
  59
  60     EndDrawingOnTop();
  61 }
  62
  63 bool wxScreenDC::StartDrawingOnTop( wxWindow * )
  64 {
  65     return true;
  66 }
  67
  68 bool wxScreenDC::StartDrawingOnTop( wxRect * )
  69 {
  70     return true;
  71 }
  72
  73 bool wxScreenDC::EndDrawingOnTop()
  74 {
  75     return true;
  76 }
  77
  78 void wxScreenDC::DoGetSize(int *width, int *height) const
  79 {
  80     wxDisplaySize(width, height);
  81 }