www.pudn.com > resizabledialog.zip > ResizableDialog.h

#if !defined(AFX_RESIZABLEDIALOG_H__INCLUDED_) 
#define AFX_RESIZABLEDIALOG_H__INCLUDED_ 
 
#if _MSC_VER > 1000 
#pragma once 
#endif // _MSC_VER > 1000 
 
// ResizableDialog.h : header file 
// 
///////////////////////////////////////////////////////////////////////////// 
// 
// Copyright (C) 2000 by Paolo Messina 
// (ppescher@yahoo.com) 
// 
// Free for non-commercial use. 
// You may change the code to your needs, 
// provided that credits to the original  
// author is given in the modified files. 
//   
///////////////////////////////////////////////////////////////////////////// 
 
#include  
 
// useful compatibility constants (the only one required is NOANCHOR) 
 
#if !defined(__SIZE_ANCHORS_) 
#define __SIZE_ANCHORS_ 
 
const CSize 
	NOANCHOR(-1,-1), 
	TOP_LEFT(0,0), TOP_CENTER(50,0), TOP_RIGHT(100,0), 
	MIDDLE_LEFT(0,50), MIDDLE_CENTER(50,50), MIDDLE_RIGHT(100,50), 
	BOTTOM_LEFT(0,100), BOTTOM_CENTER(50,100), BOTTOM_RIGHT(100,100); 
 
#endif // !defined(__SIZE_ANCHORS_) 
 
///////////////////////////////////////////////////////////////////////////// 
// CResizableDialog window 
 
class CResizableDialog : public CDialog 
{ 
 
// Construction 
public: 
	CResizableDialog(); 
	CResizableDialog(UINT nIDTemplate, CWnd* pParentWnd = NULL); 
	CResizableDialog(LPCTSTR lpszTemplateName, CWnd* pParentWnd = NULL); 
 
// Attributes 
private: 
	// flags 
	BOOL m_bShowGrip; 
	BOOL m_bUseMaxTrack; 
	BOOL m_bUseMinTrack; 
	BOOL m_bUseMaxRect; 
	BOOL m_bEnableSaveRestore; 
 
	// internal status 
	CString m_sSection;			// section name and 
	CString m_sEntry;			// entry for save/restore 
 
	BOOL m_bInitDone;			// if all internal vars initialized 
 
	SIZE m_szGripSize;			// set at construction time 
 
	CRect m_rcGripRect;			// current pos of grip 
 
	POINT m_ptMinTrackSize;		// min tracking size 
	POINT m_ptMaxTrackSize;		// max tracking size 
	POINT m_ptMaxPos;			// maximized position 
	POINT m_ptMaxSize;			// maximized size 
 
	class Layout 
	{ 
	public: 
		HWND hwnd; 
 
		BOOL adj_hscroll; 
		BOOL need_refresh; 
 
		// upper-left corner 
		CSize tl_type; 
		CSize tl_margin; 
		 
		// bottom-right corner 
		CSize br_type; 
		CSize br_margin; 
	 
	public: 
		Layout() 
			: hwnd(NULL), adj_hscroll(FALSE), need_refresh(FALSE), 
			tl_type(0,0), tl_margin(0,0), 
			br_type(0,0), br_margin(0,0) 
		{ 
		}; 
 
		Layout(HWND hw, SIZE tl_t, SIZE tl_m,  
			SIZE br_t, SIZE br_m, BOOL hscroll, BOOL refresh) 
		{ 
			hwnd = hw; 
 
			adj_hscroll = hscroll; 
			need_refresh = refresh; 
 
			tl_type = tl_t; 
			tl_margin = tl_m; 
			 
			br_type = br_t; 
			br_margin = br_m; 
		}; 
	}; 
 
	CArray m_arrLayout;	// list of repositionable controls 
 
// Operations 
public: 
 
// Overrides 
	// ClassWizard generated virtual function overrides 
	//{{AFX_VIRTUAL(CResizableDialog) 
	//}}AFX_VIRTUAL 
 
// Implementation 
public: 
	virtual ~CResizableDialog(); 
 
// used internally 
private: 
	void Construct(); 
	void LoadWindowRect(); 
	void SaveWindowRect(); 
	void ArrangeLayout(); 
	void UpdateGripPos(); 
 
// callable from derived classes 
//protected: 
public: 
	void AddAnchor(HWND wnd, CSize tl_type, 
		CSize br_type = NOANCHOR);	// add anchors to a control 
	void AddAnchor(UINT ctrl_ID, CSize tl_type, 
		CSize br_type = NOANCHOR)	// add anchors to a control 
	{ 
		AddAnchor(::GetDlgItem(*this, ctrl_ID), tl_type, br_type); 
	}; 
	void ShowSizeGrip(BOOL bShow);				// show or hide the size grip 
	void SetMaximizedRect(const CRect& rc);		// set window rect when maximized 
	void ResetMaximizedRect();					// reset to default maximized rect 
	void SetMinTrackSize(const CSize& size);	// set minimum tracking size 
	void ResetMinTrackSize();					// reset to default minimum tracking size 
	void SetMaxTrackSize(const CSize& size);	// set maximum tracking size 
	void ResetMaxTrackSize();					// reset to default maximum tracking size 
	void EnableSaveRestore(LPCTSTR pszSection, LPCTSTR pszEntry);	// section and entry in app's profile 
 
// Generated message map functions 
protected: 
	//{{AFX_MSG(CResizableDialog) 
	virtual BOOL OnInitDialog(); 
	afx_msg UINT OnNcHitTest(CPoint point); 
	afx_msg void OnGetMinMaxInfo(MINMAXINFO FAR* lpMMI); 
	afx_msg void OnSize(UINT nType, int cx, int cy); 
	afx_msg void OnDestroy(); 
	afx_msg void OnPaint(); 
	//}}AFX_MSG 
	DECLARE_MESSAGE_MAP() 
}; 
 
///////////////////////////////////////////////////////////////////////////// 
 
//{{AFX_INSERT_LOCATION}} 
// Microsoft Visual C++ will insert additional declarations immediately before the previous line. 
 
#endif // !defined(AFX_RESIZABLEDIALOG_H__INCLUDED_)