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 #include "wx/gtk/dcscreen.h"
  15
  16 #include <gtk/gtk.h>
  17 #include <gdk/gdkx.h>
  18
  19 //-----------------------------------------------------------------------------
  20 // wxScreenDCImpl
  21 //-----------------------------------------------------------------------------
  22
  23 IMPLEMENT_ABSTRACT_CLASS(wxScreenDCImpl, wxWindowDCImpl)
  24
  25 wxScreenDCImpl::wxScreenDCImpl( wxScreenDC *owner )
  26   : wxWindowDCImpl( owner )
  27 {
  28     Init();
  29 }
  30
  31 void wxScreenDCImpl::Init()
  32 {
  33     m_ok = false;
  34     m_cmap = gdk_colormap_get_system();
  35     m_gdkwindow = gdk_get_default_root_window();
  36
  37     m_context = gdk_pango_context_get();
  38     // Note: The Sun customised version of Pango shipping with Solaris 10
  39     // crashes if the language is left NULL (see bug 1374114)
  40     pango_context_set_language( m_context, gtk_get_default_language() );
  41     m_layout = pango_layout_new( m_context );
  42 //    m_fontdesc = pango_font_description_copy( widget->style->font_desc );
  43
  44     m_isScreenDC = true;
  45
  46     SetUpDC();
  47
  48     gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
  49     gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
  50     gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
  51     gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
  52 }
  53
  54 wxScreenDCImpl::~wxScreenDCImpl()
  55 {
  56     g_object_unref(m_context);
  57
  58     gdk_gc_set_subwindow( m_penGC, GDK_CLIP_BY_CHILDREN );
  59     gdk_gc_set_subwindow( m_brushGC, GDK_CLIP_BY_CHILDREN );
  60     gdk_gc_set_subwindow( m_textGC, GDK_CLIP_BY_CHILDREN );
  61     gdk_gc_set_subwindow( m_bgGC, GDK_CLIP_BY_CHILDREN );
  62 }
  63
  64 void wxScreenDCImpl::DoGetSize(int *width, int *height) const
  65 {
  66     wxDisplaySize(width, height);
  67 }