sczoombox.h

Source code for EMFexplorer 1.0

/*
*	This file is part of the EMFexplorer projet.
*	Copyright (C) 2004 Smith Charles.
*
*	This library is free software; you can redistribute it and/or
*	modify it under the terms of the GNU Lesser General Public
*	License as published by the Free Software Foundation; either
*	version 2.1 of the License, or (at your option) any later version.
*
*   This library is distributed in the hope that it will be useful,
*   but WITHOUT ANY WARRANTY; without even the implied warranty of
*   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
*   Lesser General Public License for more details.
*
*   You should have received a copy of the GNU Lesser General Public
*   License along with this library; if not, write to the Free Software
*   Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA.
*
*	Extension: for commercial use, apply the Equity Public License, which
*	adds to the normal terms of the GLPL a condition of donation to the author.
*   If you are interested in support for this source code,
*   contact Smith Charles <[e-mail]> for more information.
*/
#ifndef _SCZOOMBOX_H_
#define _SCZOOMBOX_H_

typedef struct tag_SCZoomEntry
{
	LPCTSTR	ze_lpszText;
	int		ze_iValue;
} SCZoomEntry, *PSCZoomEntry;

/////////////////////////////////////////////////////////////////////////////
// CSCZoomBox window

class CSCZoomBox : public CComboBox
{
// Construction/Destruction
public:
	CSCZoomBox();
	BOOL SCInitCombo();

	virtual ~CSCZoomBox();
	void SCReset();

// Attributes
public:
	int SCGetCurValue() const { return m_iValue; }
	void SCSetCurValue(int iZoom);

// Operations
public:
	void SCSetFloatMultiplier(int iMultiplier);
	void SCSetMinMax(int iMin, int iMax) { m_iMin = iMin; m_iMax = iMax; }
	void SCSetDefaultList(PSCZoomEntry pZooms, USHORT usCount);
	void SCTrapEnterKey(BOOL bTrap=TRUE) { m_bTrapEnter = bTrap; }
	void SCSelectValue(int iValue);
	void SCEatValue();
	int SCIndexFromValue(int iValue);

// Overrides
	// ClassWizard generated virtual function overrides
	//{{AFX_VIRTUAL(CSCZoomBox)
	public:
	virtual BOOL PreTranslateMessage(MSG* pMsg);
	protected:
	virtual BOOL PreCreateWindow(CREATESTRUCT& cs);
	//}}AFX_VIRTUAL

// Implementation
public:
	// Self-posted messages
	afx_msg LRESULT OnSCDelayUpdateAndNotify(WPARAM wParam, LPARAM lParam);

	// Generated message map functions
protected:
	//{{AFX_MSG(CSCZoomBox)
	afx_msg void OnSelchange();
	afx_msg int OnCreate(LPCREATESTRUCT lpCreateStruct);
	afx_msg HBRUSH OnCtlColor(CDC* pDC, CWnd* pWnd, UINT nCtlColor);
	afx_msg void OnKillFocus();
	afx_msg void OnEditChange();
	//}}AFX_MSG

	DECLARE_MESSAGE_MAP()

protected:
	CString SCValue2String(int iValue);
	void SCCleanupDefaultList();
	BOOL SCFillCombo();
	void SCUpdateEditBox();
	void SCNotifyParent();
	inline void SCRestoreValue();

private:
	int				m_iValue;			// selected value
	int				m_iMin;				// minimum
	int				m_iMax;				// and maximum values allowed
	PSCZoomEntry	m_pZoomDefaults;	// list of default values
	USHORT			m_usZoomCount;		// count of default values
	int				m_iFloatMultiplier; // multiplier to avoid using floats
	BOOL			m_bTrapEnter;		// if true, trap the 'enter' key
	BOOL			m_bRestyled;		// to enforce some styles
	BOOL			m_bUserText;		// user typed something
};

/////////////////////////////////////////////////////////////////////////////
#endif //_SCZOOMBOX_H_
//  ------------------------------------------------------------