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 // For compilers that support precompilation, includes "wx.h".
  11 #include "wx/wxprec.h"
  12
  13 #include "wx/dcscreen.h"
  14 #include "wx/window.h"
  15
  16 #include <gdk/gdk.h>
  17 #include <gdk/gdkx.h>
  18 #include <gtk/gtk.h>
  19
  20 //-----------------------------------------------------------------------------
  21 // global data initialization
  22 //-----------------------------------------------------------------------------
  23
  24 GdkWindow *wxScreenDC::sm_overlayWindow  = (GdkWindow*) NULL;
  25 int wxScreenDC::sm_overlayWindowX = 0;
  26 int wxScreenDC::sm_overlayWindowY = 0;
  27
  28 //-----------------------------------------------------------------------------
  29 // wxScreenDC
  30 //-----------------------------------------------------------------------------
  31
  32 IMPLEMENT_DYNAMIC_CLASS(wxScreenDC,wxPaintDC)
  33
  34 wxScreenDC::wxScreenDC()
  35 {
  36     m_ok = FALSE;
  37     m_cmap = gdk_colormap_get_system();
  38     m_window = GDK_ROOT_PARENT();
  39
  40 #ifdef __WXGTK20__
  41     m_context = gdk_pango_context_get();
  42     // Note: The Sun customised version of Pango shipping with Solaris 10
  43     // crashes if the language is left NULL (see bug 1374114)
  44     pango_context_set_language( m_context, gtk_get_default_language() );
  45     m_layout = pango_layout_new( m_context );
  46 //    m_fontdesc = pango_font_description_copy( widget->style->font_desc );
  47 #endif
  48
  49     m_isScreenDC = TRUE;
  50
  51     SetUpDC();
  52
  53     gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
  54     gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
  55     gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
  56     gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
  57 }
  58
  59 wxScreenDC::~wxScreenDC()
  60 {
  61     gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
  62     gdk_gc_set_subwindow( m_brushGC, GDK_CLIP_BY_CHILDREN );
  63     gdk_gc_set_subwindow( m_textGC, GDK_CLIP_BY_CHILDREN );
  64     gdk_gc_set_subwindow( m_bgGC, GDK_CLIP_BY_CHILDREN );
  65
  66     EndDrawingOnTop();
  67 }
  68
  69 bool wxScreenDC::StartDrawingOnTop( wxWindow * )
  70 {
  71     return true;
  72 }
  73
  74 bool wxScreenDC::StartDrawingOnTop( wxRect * )
  75 {
  76     return true;
  77 }
  78
  79 bool wxScreenDC::EndDrawingOnTop()
  80 {
  81     return true;
  82 }
  83
  84 void wxScreenDC::DoGetSize(int *width, int *height) const
  85 {
  86     wxDisplaySize(width, height);
  87 }