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wxWidgets/src/x11/dcscreen.cpp

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/////////////////////////////////////////////////////////////////////////////
// Name: src/x11/dcscreen.cpp
// Purpose: wxScreenDC class
// Author: Julian Smart, Robert Roebling
// Modified by:
// Created: 17/09/98
// RCS-ID: $Id$
// Copyright: (c) Julian Smart, Robert Roebling
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// for compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#include "wx/dcscreen.h"
#ifndef WX_PRECOMP
#include "wx/app.h"
#include "wx/utils.h"
#include "wx/window.h"
#include "wx/frame.h"
#endif
#include "wx/fontutil.h"
#include "wx/x11/private.h"
//-----------------------------------------------------------------------------
// global data initialization
//-----------------------------------------------------------------------------
WXWindow *wxScreenDC::sm_overlayWindow = (WXWindow*) NULL;
int wxScreenDC::sm_overlayWindowX = 0;
int wxScreenDC::sm_overlayWindowY = 0;
//-----------------------------------------------------------------------------
// wxScreenDC
//-----------------------------------------------------------------------------
IMPLEMENT_DYNAMIC_CLASS(wxScreenDC,wxPaintDC)
wxScreenDC::wxScreenDC()
{
m_ok = false;
m_display = (WXDisplay *) wxGlobalDisplay();
int screen = DefaultScreen( (Display*) m_display );
m_cmap = (WXColormap) DefaultColormap( (Display*) m_display, screen );
m_window = (WXWindow) RootWindow( (Display*) m_display, screen );
m_isScreenDC = true;
#if wxUSE_UNICODE
m_context = wxTheApp->GetPangoContext();
m_fontdesc = wxNORMAL_FONT->GetNativeFontInfo()->description;
#endif
SetUpDC();
XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, IncludeInferiors );
XSetSubwindowMode( (Display*) m_display, (GC) m_brushGC, IncludeInferiors );
XSetSubwindowMode( (Display*) m_display, (GC) m_textGC, IncludeInferiors );
XSetSubwindowMode( (Display*) m_display, (GC) m_bgGC, IncludeInferiors );
}
wxScreenDC::~wxScreenDC()
{
XSetSubwindowMode( (Display*) m_display, (GC) m_penGC, ClipByChildren );
XSetSubwindowMode( (Display*) m_display, (GC) m_brushGC, ClipByChildren );
XSetSubwindowMode( (Display*) m_display, (GC) m_textGC, ClipByChildren );
XSetSubwindowMode( (Display*) m_display, (GC) m_bgGC, ClipByChildren );
EndDrawingOnTop();
}
bool wxScreenDC::StartDrawingOnTop( wxWindow *window )
{
if (!window) return StartDrawingOnTop();
int x = 0;
int y = 0;
window->GetPosition( &x, &y );
int w = 0;
int h = 0;
window->GetSize( &w, &h );
window->ClientToScreen( &x, &y );
wxRect rect;
rect.x = x;
rect.y = y;
rect.width = 0;
rect.height = 0;
return StartDrawingOnTop( &rect );
}
bool wxScreenDC::StartDrawingOnTop( wxRect *rectIn )
{
// VZ: should we do the same thing that wxMotif wxScreenDC does here?
#if 0
wxRect rect;
if ( rectIn )
{
rect = *rectIn;
}
else
{
rect.x =
rect.y = 0;
DoGetSize(&rect.width, &rect.height);
}
#endif // 0
return true;
}
bool wxScreenDC::EndDrawingOnTop()
{
return true;
}
void wxScreenDC::DoGetSize(int *width, int *height) const
{
wxDisplaySize(width, height);
}