chxavtextcontrol.h

来自「symbian 下的helix player源代码」· C头文件 代码 · 共 138 行

/************************************************************************
 * chxavtextcontrol.h
 * ------------------
 *
 * Synopsis:
 * Text control for ui.
 *
 * Target:
 * Symbian OS
 *
 *
 * (c) 1995-2003 RealNetworks, Inc. Patents pending. All rights reserved.
 *
 ************************************************************************/

#ifndef _chxavtextcontrol_h_
#define _chxavtextcontrol_h_

// Helix includes...
#include "hxstring.h"

// Include from this project...
#include "chxavcommand.h"
#include "chxavcontrol.h"


// class CHXAvTextControl
class CHXAvTextControl
: public CHXAvControl
{
public:

    struct TextControlAttributes
    {
	TextControlAttributes() 
		: bIsBold(false)
		, fontHeight(12)
		, bIsTransparent(true)
		, textColor(0,0,0)
		, bgColor(255,255,255)
		, justify(CGraphicsContext::ELeft)
		, fontName("Swiss"){}
        bool bIsBold;
	TInt fontHeight;
	bool bIsTransparent;
	TRgb textColor;
	TRgb bgColor;
	CGraphicsContext::TTextAlign justify;
        CHXString fontName;
    };

public:

    // creation
    static CHXAvTextControl* NewL(const CCoeControl& container, TInt cid);
    void ConstructL(const CCoeControl& parent);
    CHXAvTextControl(TInt cid = -1);
    virtual ~CHXAvTextControl();

    void SetTruncateWithEllipsis(bool bUseEllipsis);
    void SetCommandL(const CHXAvCommand& commandProto);
    void SetBGBitmapL(CFbsBitmap* pbmpParentBG);
    void SetText(const TDesC& text);
    void SetTextColor(const TRgb& color);
    void SetBackgroundColor(const TRgb& color);
    void SetFontName(const CHXString& fontName);
    void SetFontHeight(int height);
    void SetFontBold(bool bold);
    void SetJustification(CGraphicsContext::TTextAlign justify);
    void SetTransparent(bool transparent);
    void SetAttributes(const CHXAvTextControl::TextControlAttributes& attr);
    void UpdateFont(const CFont* pExternalFont = 0);

    const TextControlAttributes& GetAttr() const;
    const TDesC& GetText() const;
    const CFont* GetFont() const;

public:
    // CCoeControl
    //virtual TKeyResponse OfferKeyEventL(const TKeyEvent& aKeyEvent,TEventCode aType);
    virtual void HandlePointerEventL(const TPointerEvent& aPointerEvent);

private:
    // CCoeControl
    virtual void Draw(const TRect& rect) const;
    
private:

    CFont* CreateFont() const; 

private:
    
    HBufC*		m_pText;
    CFont*		m_pFont;
    const CFont*	m_pExternalFont;
    CHXAvCommand*	m_pCommand;
    CFbsBitmap*		m_pbmpBG;
    bool		m_bUseEllipsisForTruncation;
    TextControlAttributes m_attr;
};

inline
const TDesC& CHXAvTextControl::GetText() const
{
    return *m_pText;
}

inline
const CHXAvTextControl::TextControlAttributes& CHXAvTextControl::GetAttr() const
{
    return m_attr;
}

inline
const CFont* CHXAvTextControl::GetFont() const
{
    return m_pFont ? m_pFont : m_pExternalFont;
}

/////////////////////////////////////////////////////////
// if true, ellipsis are added at end of truncated text;
// the text itself may be truncated further to make space
// for the ellipsis
//
// if false, the text is truncated so that as much whole text
// characters will fit in the rectangle as possible
//
inline
void CHXAvTextControl::SetTruncateWithEllipsis(bool bUseEllipsis)
{
    m_bUseEllipsisForTruncation = bUseEllipsis;
}



#endif // _chxavtextcontrol_h_