progressbarexamappview.h

来自「国内著名嵌入式培训机构内部资料,内含一些实例代码,包括技术专题书籍」· C头文件 代码 · 共 93 行

/*
 ============================================================================
 Name		: ProgressBarExamAppView.h
 Author	  : Hou maoqing
 Copyright   : Copyright (c) Hou maoqing 2008
 Description : Declares view class for application.
 ============================================================================
 */

#ifndef __PROGRESSBAREXAMAPPVIEW_h__
#define __PROGRESSBAREXAMAPPVIEW_h__

// INCLUDES
#include <coecntrl.h>
#include "ProgressBarCtrl.h"

// CLASS DECLARATION
class CProgressBarExamAppView : public CCoeControl
	{
public:
	// New methods

	/**
	 * NewL.
	 * Two-phased constructor.
	 * Create a CProgressBarExamAppView object, which will draw itself to aRect.
	 * @param aRect The rectangle this view will be drawn to.
	 * @return a pointer to the created instance of CProgressBarExamAppView.
	 */
	static CProgressBarExamAppView* NewL(const TRect& aRect);

	/**
	 * NewLC.
	 * Two-phased constructor.
	 * Create a CProgressBarExamAppView object, which will draw itself
	 * to aRect.
	 * @param aRect Rectangle this view will be drawn to.
	 * @return A pointer to the created instance of CProgressBarExamAppView.
	 */
	static CProgressBarExamAppView* NewLC(const TRect& aRect);

	/**
	 * ~CProgressBarExamAppView
	 * Virtual Destructor.
	 */
	virtual ~CProgressBarExamAppView();

public:
	// Functions from base classes

	/**
	 * From CCoeControl, Draw
	 * Draw this CProgressBarExamAppView to the screen.
	 * @param aRect the rectangle of this view that needs updating
	 */
	void Draw(const TRect& aRect) const;

	/**
	 * From CoeControl, SizeChanged.
	 * Called by framework when the view size is changed.
	 */
	virtual void SizeChanged();
	
	TInt CountComponentControls() const;
	CCoeControl* ComponentControl(TInt aIndex) const;
	
	TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);

private:
	// Constructors

	/**
	 * ConstructL
	 * 2nd phase constructor.
	 * Perform the second phase construction of a
	 * CProgressBarExamAppView object.
	 * @param aRect The rectangle this view will be drawn to.
	 */
	void ConstructL(const TRect& aRect);

	/**
	 * CProgressBarExamAppView.
	 * C++ default constructor.
	 */
	CProgressBarExamAppView();

private:
	CProgressBarCtrl* m_pProgressBar;
	};

#endif // __PROGRESSBAREXAMAPPVIEW_h__
// End of File