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/gtk/dcscreen.h"
  14
  15 #include <gtk/gtk.h>
  16
  17 //-----------------------------------------------------------------------------
  18 // wxScreenDCImpl
  19 //-----------------------------------------------------------------------------
  20
  21 IMPLEMENT_ABSTRACT_CLASS(wxScreenDCImpl, wxWindowDCImpl)
  22
  23 wxScreenDCImpl::wxScreenDCImpl( wxScreenDC *owner )
  24   : wxWindowDCImpl( owner )
  25 {
  26     Init();
  27 }
  28
  29 void wxScreenDCImpl::Init()
  30 {
  31     m_ok = false;
  32     m_cmap = gdk_colormap_get_system();
  33     m_gdkwindow = gdk_get_default_root_window();
  34
  35     m_context = gdk_pango_context_get();
  36     // Note: The Sun customised version of Pango shipping with Solaris 10
  37     // crashes if the language is left NULL (see bug 1374114)
  38     pango_context_set_language( m_context, gtk_get_default_language() );
  39     m_layout = pango_layout_new( m_context );
  40 //    m_fontdesc = pango_font_description_copy( widget->style->font_desc );
  41
  42     m_isScreenDC = true;
  43
  44     SetUpDC();
  45
  46     gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
  47     gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
  48     gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
  49     gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
  50 }
  51
  52 wxScreenDCImpl::~wxScreenDCImpl()
  53 {
  54     g_object_unref(m_context);
  55
  56     gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
  57     gdk_gc_set_subwindow( m_brushGC, GDK_CLIP_BY_CHILDREN );
  58     gdk_gc_set_subwindow( m_textGC, GDK_CLIP_BY_CHILDREN );
  59     gdk_gc_set_subwindow( m_bgGC, GDK_CLIP_BY_CHILDREN );
  60 }
  61
  62 void wxScreenDCImpl::DoGetSize(int *width, int *height) const
  63 {
  64     wxDisplaySize(width, height);
  65 }