src/gtk/dcscreen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/gtk/dcscreen.cpp
   3 // Purpose:
   4 // Author:      Robert Roebling
   5 // Copyright:   (c) 1998 Robert Roebling
   6 // Licence:     wxWindows licence
   7 /////////////////////////////////////////////////////////////////////////////
   8
   9 // For compilers that support precompilation, includes "wx.h".
  10 #include "wx/wxprec.h"
  11
  12 #include "wx/gtk/dcscreen.h"
  13
  14 #include <gtk/gtk.h>
  15
  16 //-----------------------------------------------------------------------------
  17 // wxScreenDCImpl
  18 //-----------------------------------------------------------------------------
  19
  20 IMPLEMENT_ABSTRACT_CLASS(wxScreenDCImpl, wxWindowDCImpl)
  21
  22 wxScreenDCImpl::wxScreenDCImpl( wxScreenDC *owner )
  23   : wxWindowDCImpl( owner )
  24 {
  25     Init();
  26 }
  27
  28 void wxScreenDCImpl::Init()
  29 {
  30     m_ok = false;
  31     m_cmap = gdk_colormap_get_system();
  32     m_gdkwindow = gdk_get_default_root_window();
  33
  34     m_context = gdk_pango_context_get();
  35     // Note: The Sun customised version of Pango shipping with Solaris 10
  36     // crashes if the language is left NULL (see bug 1374114)
  37     pango_context_set_language( m_context, gtk_get_default_language() );
  38     m_layout = pango_layout_new( m_context );
  39 //    m_fontdesc = pango_font_description_copy( widget->style->font_desc );
  40
  41     m_isScreenDC = true;
  42
  43     SetUpDC();
  44
  45     gdk_gc_set_subwindow( m_penGC, GDK_INCLUDE_INFERIORS );
  46     gdk_gc_set_subwindow( m_brushGC, GDK_INCLUDE_INFERIORS );
  47     gdk_gc_set_subwindow( m_textGC, GDK_INCLUDE_INFERIORS );
  48     gdk_gc_set_subwindow( m_bgGC, GDK_INCLUDE_INFERIORS );
  49 }
  50
  51 wxScreenDCImpl::~wxScreenDCImpl()
  52 {
  53     g_object_unref(m_context);
  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
  61 void wxScreenDCImpl::DoGetSize(int *width, int *height) const
  62 {
  63     wxDisplaySize(width, height);
  64 }