7bdc18790e
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@11341 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
72 lines
1.8 KiB
C++
72 lines
1.8 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: dcclient.cpp
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// Purpose:
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// Author: Vaclav Slavik
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// RCS-ID: $Id$
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// Copyright: (c) 2001 SciTech Software, Inc. (www.scitechsoft.com)
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifdef __GNUG__
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#pragma implementation "dcclient.h"
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#endif
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// For compilers that support precompilation, includes "wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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#ifndef WX_PRECOMP
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#include "wx/dcclient.h"
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#include "wx/window.h"
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#endif
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#include <mgraph.hpp>
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IMPLEMENT_DYNAMIC_CLASS(wxWindowDC, wxDC)
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IMPLEMENT_DYNAMIC_CLASS(wxClientDC,wxWindowDC)
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IMPLEMENT_DYNAMIC_CLASS(wxPaintDC, wxClientDC)
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wxWindowDC::wxWindowDC(wxWindow *win) : m_wnd(win)
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{
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MGLDevCtx *dc = win->GetPaintMGLDC();
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if ( dc )
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{
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m_inPaintHandler = TRUE;
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SetMGLDC(dc, FALSE);
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}
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else
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{
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m_inPaintHandler = FALSE;
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SetMGLDC(new MGLDevCtx(MGL_wmBeginPaint(m_wnd->GetHandle())), TRUE);
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// TRUE means that dtor will delete MGLDevCtx object
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// but it won't destroy MGLDC returned by MGL_wmBeginPaint because
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// ~MGLDevCtx() doesn't call destroy()
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}
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}
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wxWindowDC::~wxWindowDC()
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{
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if ( m_inPaintHandler )
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{
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// This is neccessary so that subsequently created wxPaintDCs won't get
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// confused about clipping. Another reason is that the same MGL dc is reused
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// for wxEraseEvent, wxNcPaintEvent and wxPaintEvent
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DestroyClippingRegion();
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}
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else
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{
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GetMGLDC()->setDC(NULL);
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MGL_wmEndPaint(m_wnd->GetHandle());
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}
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}
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wxClientDC::wxClientDC(wxWindow *win) : wxWindowDC(win)
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{
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wxRect r = m_wnd->GetClientRect();
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SetClippingRegion(r);
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SetDeviceOrigin(r.x, r.y);
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}
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