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// ResizableGrip.h: interface for the CResizableGrip class.
//
/////////////////////////////////////////////////////////////////////////////
//
// Copyright (C) 2000-2002 by Paolo Messina
// (http://www.geocities.com/ppescher - ppescher@yahoo.com)
//
// The contents of this file are subject to the Artistic License (the "License").
// You may not use this file except in compliance with the License.
// You may obtain a copy of the License at:
// http://www.opensource.org/licenses/artistic-license.html
//
// If you find this code useful, credits would be nice!
//
/////////////////////////////////////////////////////////////////////////////
#if !defined(AFX_RESIZABLEGRIP_H__INCLUDED_)
#define AFX_RESIZABLEGRIP_H__INCLUDED_
#if _MSC_VER > 1000
#pragma once
#endif // _MSC_VER > 1000
class CResizableGrip
{
private:
class CSizeGrip : public CScrollBar
{
public:
CSizeGrip()
{
m_bTransparent = FALSE;
m_bTriangular = FALSE;
m_size.cx = 0;
m_size.cy = 0;
}
void SetTriangularShape(BOOL bEnable);
void SetTransparency(BOOL bActivate);
BOOL IsRTL(); // right-to-left layout support
virtual LRESULT WindowProc(UINT message, WPARAM wParam, LPARAM lParam);
SIZE m_size; // holds grip size
protected:
virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
BOOL m_bTriangular; // triangular shape active
BOOL m_bTransparent; // transparency active
// memory DCs and bitmaps for transparent grip
CDC m_dcGrip, m_dcMask;
CBitmap m_bmGrip, m_bmMask;
};
CSizeGrip m_wndGrip; // grip control
int m_nShowCount; // support for hiding the grip
protected:
// create a size grip, with options
BOOL CreateSizeGrip(BOOL bVisible = TRUE,
BOOL bTriangular = TRUE, BOOL bTransparent = FALSE);
BOOL IsSizeGripVisible(); // TRUE if grip is set to be visible
void SetSizeGripVisibility(BOOL bVisible); // set default visibility
void UpdateSizeGrip(); // update the grip's visibility and position
void ShowSizeGrip(DWORD* pStatus, DWORD dwMask = 1); // temp show the size grip
void HideSizeGrip(DWORD* pStatus, DWORD dwMask = 1); // temp hide the size grip
BOOL SetSizeGripBkMode(int nBkMode); // like CDC::SetBkMode
void SetSizeGripShape(BOOL bTriangular);
virtual CWnd* GetResizableWnd() = 0;
public:
CResizableGrip();
virtual ~CResizableGrip();
};
#endif // !defined(AFX_RESIZABLEGRIP_H__INCLUDED_)
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