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/////////////////////////////////////////////////////////////////////////////
// Name: wx/generic/scrolwin.h
// Purpose: generic wxScrollHelper
// Author: Vadim Zeitlin
// Created: 2008-12-24 (replacing old file with the same name)
// Copyright: (c) 2008 Vadim Zeitlin <vadim@wxwidgets.org>
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
#ifndef _WX_GENERIC_SCROLLWIN_H_
#define _WX_GENERIC_SCROLLWIN_H_
#include "wx/recguard.h"
// ----------------------------------------------------------------------------
// generic wxScrollHelper implementation
// ----------------------------------------------------------------------------
class WXDLLIMPEXP_CORE wxScrollHelper : public wxScrollHelperBase
{
public:
wxScrollHelper(wxWindow *winToScroll);
// implement base class pure virtuals
virtual void AdjustScrollbars() wxOVERRIDE;
virtual bool IsScrollbarShown(int orient) const wxOVERRIDE;
protected:
virtual void DoScroll(int x, int y) wxOVERRIDE;
virtual void DoShowScrollbars(wxScrollbarVisibility horz,
wxScrollbarVisibility vert) wxOVERRIDE;
private:
// helper of AdjustScrollbars(): does the work for the single scrollbar
//
// notice that the parameters passed by non-const references are modified
// by this function
void DoAdjustScrollbar(int orient,
int clientSize,
int virtSize,
int pixelsPerUnit,
int& scrollUnits,
int& scrollPosition,
int& scrollLinesPerPage,
wxScrollbarVisibility visibility);
wxScrollbarVisibility m_xVisibility,
m_yVisibility;
wxRecursionGuardFlag m_adjustScrollFlagReentrancy;
wxDECLARE_NO_COPY_CLASS(wxScrollHelper);
};
#endif // _WX_GENERIC_SCROLLWIN_H_
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