axmol/cocos/gui/UILabel.h

/****************************************************************************
 Copyright (c) 2013 cocos2d-x.org
 
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 of this software and associated documentation files (the "Software"), to deal
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 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 
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 ****************************************************************************/

#ifndef __UILABEL_H__
#define __UILABEL_H__

#include "gui/UIWidget.h"


namespace gui {

class UILabel : public UIWidget
{
public:
    /**
     * Default constructor
     * @js ctor
     */
    UILabel();
    
    /**
     * Default destructor
     * @js NA
     * @lua NA
     */
    virtual ~UILabel();
    
    /**
     * Allocates and initializes.
     */
    static UILabel* create();
    
    /**
     * Changes the string value of label.
     *
     * @param text  string value.
     */
    void setText(const std::string& text);
    
    /**
     * Gets the string value of label.
     *
     * @return text  string value.
     */
    const std::string& getStringValue();
    
    /**
     * Gets the string length of label.
     *
     * @return  string length.
     */
    int getStringLength();
    
    /**
     * Sets the font size of label.
     *
     * @param  font size.
     */
    void setFontSize(int size);
    
    /**
     * Sets the font name of label.
     *
     * @param  font name.
     */
    void setFontName(const std::string& name);
    
    /**
     * Sets the touch scale enabled of label.
     *
     * @param  touch scale enabled of label.
     */
    void setTouchScaleChangeEnabled(bool enabled);
    
    /**
     * Gets the touch scale enabled of label.
     *
     * @return  touch scale enabled of label.
     */
    bool isTouchScaleChangeEnabled();
    
    /**
     * Changes both X and Y scale factor of the widget.
     *
     * 1.0 is the default scale factor. It modifies the X and Y scale at the same time.
     *
     * @param scale     The scale factor for both X and Y axis.
     */
    virtual void setScale(float fScale) override;
    
    /**
     * Changes the scale factor on X axis of this widget
     *
     * The deafult value is 1.0 if you haven't changed it before
     *
     * @param fScaleX   The scale factor on X axis.
     */
    virtual void setScaleX(float fScaleX) override;
    
    /**
     * Changes the scale factor on Y axis of this widget
     *
     * The Default value is 1.0 if you haven't changed it before.
     *
     * @param fScaleY   The scale factor on Y axis.
     */
    virtual void setScaleY(float fScaleY) override;
    

    //override "setFlipX" method of widget.
    virtual void setFlipX(bool flipX) override;
    
    //override "setFlipY" method of widget.
    virtual void setFlipY(bool flipY) override;
    
    //override "isFlipX" method of widget.
    virtual bool isFlipX() override;
    
    //override "isFlipY" method of widget.
    virtual bool isFlipY() override;
    
    //override "setAnchorPoint" method of widget.
    virtual void setAnchorPoint(const cocos2d::Point &pt) override;
    
    //override "getContentSize" method of widget.
    virtual const cocos2d::Size& getContentSize() const override;
    
    //override "getVirtualRenderer" method of widget.
    virtual cocos2d::Node* getVirtualRenderer() override;
    
    /**
     * Returns the "class name" of widget.
     */
    virtual const char* getDescription() const override;
    
    void setTextAreaSize(const cocos2d::Size &size);
    void setTextHorizontalAlignment(cocos2d::TextHAlignment alignment);
    void setTextVerticalAlignment(cocos2d::TextVAlignment alignment);    
protected:
    virtual bool init() override;
    virtual void initRenderer() override;
    virtual void onPressStateChangedToNormal() override;
    virtual void onPressStateChangedToPressed() override;
    virtual void onPressStateChangedToDisabled() override;
    virtual void onSizeChanged() override;
    void clickScale(float scaleX, float scaleY);
    void labelScaleChangedWithSize();
    virtual UIWidget* createCloneInstance() override;
    virtual void copySpecialProperties(UIWidget* model) override;
protected:
    bool _touchScaleChangeEnabled;
    float _normalScaleValueX;
    float _normalScaleValueY;
    std::string _fontName;
    int _fontSize;
    float _onSelectedScaleOffset;
    cocos2d::LabelTTF* _labelRenderer;
};

}

#endif /* defined(__CocoGUI__Label__) */