ResizableGrip.h
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上传日期:2015-12-05
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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_)