src/x11/dcscreen.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/x11/dcscreen.cpp
   3 // Purpose:     wxScreenDC class
   4 // Author:      Julian Smart, Robert Roebling
   5 // Modified by:
   6 // Created:     17/09/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart, Robert Roebling
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // for compilers that support precompilation, includes "wx.h".
  13 #include "wx/wxprec.h"
  14
  15 #include "wx/dcscreen.h"
  16 #include "wx/x11/dcscreen.h"
  17
  18 #ifndef WX_PRECOMP
  19     #include "wx/app.h"
  20     #include "wx/utils.h"
  21     #include "wx/window.h"
  22     #include "wx/frame.h"
  23 #endif
  24
  25 #include "wx/fontutil.h"
  26
  27 #include "wx/x11/private.h"
  28
  29 //-----------------------------------------------------------------------------
  30 // wxScreenDC
  31 //-----------------------------------------------------------------------------
  32
  33 IMPLEMENT_ABSTRACT_CLASS(wxScreenDCImpl,wxPaintDCImpl)
  34
  35 wxScreenDCImpl::wxScreenDCImpl( wxDC* owner ) :
  36   wxPaintDCImpl( owner )
  37 {
  38     m_ok = false;
  39
  40     m_display = (WXDisplay *) wxGlobalDisplay();
  41
  42     int screen = DefaultScreen( (Display*) m_display );
  43     m_cmap = (WXColormap) DefaultColormap( (Display*) m_display, screen );
  44
  45     m_x11window = (WXWindow) RootWindow( (Display*) m_display, screen );
  46
  47     m_isScreenDC = true;
  48
  49 #if wxUSE_UNICODE
  50     m_context = wxTheApp->GetPangoContext();
  51     m_fontdesc = wxNORMAL_FONT->GetNativeFontInfo()->description;
  52 #endif
  53
  54     SetUpDC();
  55
  56     XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, IncludeInferiors );
  57     XSetSubwindowMode( (Display*) m_display, (GC) m_brushGC, IncludeInferiors );
  58     XSetSubwindowMode( (Display*) m_display, (GC) m_textGC, IncludeInferiors );
  59     XSetSubwindowMode( (Display*) m_display, (GC) m_bgGC, IncludeInferiors );
  60 }
  61
  62 wxScreenDCImpl::~wxScreenDCImpl()
  63 {
  64     XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, ClipByChildren );
  65     XSetSubwindowMode( (Display*) m_display, (GC) m_brushGC, ClipByChildren );
  66     XSetSubwindowMode( (Display*) m_display, (GC) m_textGC, ClipByChildren );
  67     XSetSubwindowMode( (Display*) m_display, (GC) m_bgGC, ClipByChildren );
  68 }
  69