src/gtk/dcscreen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/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_get_default_root_window();
  42
  43     m_context = gdk_pango_context_get();
  44     // Note: The Sun customised version of Pango shipping with Solaris 10
  45     // crashes if the language is left NULL (see bug 1374114)
  46     pango_context_set_language( m_context, gtk_get_default_language() );
  47     m_layout = pango_layout_new( m_context );
  48 //    m_fontdesc = pango_font_description_copy( widget->style->font_desc );
  49
  50     m_isScreenDC = true;
  51
  52     SetUpDC();
  53
  54     gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
  55     gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
  56     gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
  57     gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
  58 }
  59
  60 wxScreenDC::~wxScreenDC()
  61 {
  62     gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
  63     gdk_gc_set_subwindow( m_brushGC, GDK_CLIP_BY_CHILDREN );
  64     gdk_gc_set_subwindow( m_textGC, GDK_CLIP_BY_CHILDREN );
  65     gdk_gc_set_subwindow( m_bgGC, GDK_CLIP_BY_CHILDREN );
  66
  67     EndDrawingOnTop();
  68 }
  69
  70 bool wxScreenDC::StartDrawingOnTop( wxWindow * )
  71 {
  72     return true;
  73 }
  74
  75 bool wxScreenDC::StartDrawingOnTop( wxRect * )
  76 {
  77     return true;
  78 }
  79
  80 bool wxScreenDC::EndDrawingOnTop()
  81 {
  82     return true;
  83 }
  84
  85 void wxScreenDC::DoGetSize(int *width, int *height) const
  86 {
  87     wxDisplaySize(width, height);
  88 }