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 // Copyright:   (c) Julian Smart, Robert Roebling
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // for compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #include "wx/dcscreen.h"
  15 #include "wx/x11/dcscreen.h"
  16
  17 #ifndef WX_PRECOMP
  18     #include "wx/app.h"
  19     #include "wx/utils.h"
  20     #include "wx/window.h"
  21     #include "wx/frame.h"
  22 #endif
  23
  24 #include "wx/fontutil.h"
  25
  26 #include "wx/x11/private.h"
  27
  28 //-----------------------------------------------------------------------------
  29 // wxScreenDC
  30 //-----------------------------------------------------------------------------
  31
  32 IMPLEMENT_ABSTRACT_CLASS(wxScreenDCImpl,wxPaintDCImpl)
  33
  34 wxScreenDCImpl::wxScreenDCImpl( wxDC* owner )
  35               : wxPaintDCImpl( owner )
  36 {
  37     m_ok = false;
  38
  39     m_display = (WXDisplay *) wxGlobalDisplay();
  40
  41     int screen = DefaultScreen( (Display*) m_display );
  42     m_cmap = (WXColormap) DefaultColormap( (Display*) m_display, screen );
  43
  44     m_x11window = (WXWindow) RootWindow( (Display*) m_display, screen );
  45
  46     m_isScreenDC = true;
  47
  48 #if wxUSE_UNICODE
  49     m_context = wxTheApp->GetPangoContext();
  50     m_fontdesc = wxNORMAL_FONT->GetNativeFontInfo()->description;
  51 #endif
  52
  53     SetUpDC();
  54
  55     XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, IncludeInferiors );
  56     XSetSubwindowMode( (Display*) m_display, (GC) m_brushGC, IncludeInferiors );
  57     XSetSubwindowMode( (Display*) m_display, (GC) m_textGC, IncludeInferiors );
  58     XSetSubwindowMode( (Display*) m_display, (GC) m_bgGC, IncludeInferiors );
  59 }
  60
  61 wxScreenDCImpl::~wxScreenDCImpl()
  62 {
  63     XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, ClipByChildren );
  64     XSetSubwindowMode( (Display*) m_display, (GC) m_brushGC, ClipByChildren );
  65     XSetSubwindowMode( (Display*) m_display, (GC) m_textGC, ClipByChildren );
  66     XSetSubwindowMode( (Display*) m_display, (GC) m_bgGC, ClipByChildren );
  67 }
  68
  69 void wxScreenDCImpl::DoGetSize(int *width, int *height) const
  70 {
  71     wxDisplaySize(width, height);
  72 }