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39 lines
1,021 B
C++
39 lines
1,021 B
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: wx/msw/private/paint.h
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// Purpose: Helpers for handling repainting
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// Author: Vadim Zeitlin
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// Created: 2020-02-10
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// Copyright: (c) 2020 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_MSW_PRIVATE_PAINT_H_
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#define _WX_MSW_PRIVATE_PAINT_H_
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#include "wx/stack.h"
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namespace wxMSWImpl
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{
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// Data used by WM_PAINT handler
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struct PaintData
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{
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explicit PaintData(wxWindowMSW* window_)
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: window(window_),
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createdPaintDC(false)
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{
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}
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// The window being repainted (never null).
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wxWindowMSW* const window;
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// True if the user-defined paint handler created wxPaintDC.
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bool createdPaintDC;
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};
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// Stack storing data for the possibly nested WM_PAINT handlers.
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extern wxStack<PaintData> paintStack;
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} // namespace wxMSWImpl
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#endif // _WX_MSW_PRIVATE_PAINT_H_
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