axmol/cocos/ui/UIText.h

/****************************************************************************
Copyright (c) 2013-2014 Chukong Technologies Inc.

http://www.cocos2d-x.org

Permission is hereby granted, free of charge, to any person obtaining a copy
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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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
THE SOFTWARE.
****************************************************************************/

#ifndef __UILABEL_H__
#define __UILABEL_H__

#include "ui/UIWidget.h"

NS_CC_BEGIN

namespace ui {

/**
*   @js NA
*   @lua NA
*/
class Text : public Widget
{
    
    DECLARE_CLASS_GUI_INFO
    
public:
    /**
     * Default constructor
     */
    Text();

    /**
     * Default destructor
     */
    virtual ~Text();

    /**
     * Allocates and initializes.
     */
    static Text* create();
    
    /**
     *  create a Text object with textContent, fontName and fontSize
     */
    static Text* create(const std::string& textContent,
                        const std::string& fontName,
                        int fontSize);

    /**
     * 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.
     */
    ssize_t getStringLength();

    /**
     * Sets the font size of label.
     *
     * @param  font size.
     */
    void setFontSize(int size);

    int getFontSize();

    /**
     * Sets the font name of label.
     *
     * @param  font name.
     */
    void setFontName(const std::string& name);

    const std::string& getFontName();

    /**
     * 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();

    //override "getVirtualRendererSize" method of widget.
    virtual const Size& getVirtualRendererSize() const override;

    //override "getVirtualRenderer" method of widget.
    virtual Node* getVirtualRenderer() override;

    /**
     * Returns the "class name" of widget.
     */
    virtual std::string getDescription() const override;

    void setTextAreaSize(const Size &size);

    const Size& getTextAreaSize();

    void setTextHorizontalAlignment(TextHAlignment alignment);

    TextHAlignment getTextHorizontalAlignment();

    void setTextVerticalAlignment(TextVAlignment alignment);

    TextVAlignment getTextVerticalAlignment();
    
CC_CONSTRUCTOR_ACCESS:
    virtual bool init() override;
    virtual bool init(const std::string& textContent,
                      const std::string& fontName,
                      int fontSize);

protected:
    virtual void initRenderer() override;
    virtual void onPressStateChangedToNormal() override;
    virtual void onPressStateChangedToPressed() override;
    virtual void onPressStateChangedToDisabled() override;
    virtual void onSizeChanged() override;
    virtual void updateTextureColor() override;
    virtual void updateTextureOpacity() override;
    virtual void updateTextureRGBA() override;
    virtual void updateFlippedX() override;
    virtual void updateFlippedY() override;
    void labelScaleChangedWithSize();
    virtual Widget* createCloneInstance() override;
    virtual void copySpecialProperties(Widget* model) override;
    virtual void adaptRenderers() override;
protected:
    bool _touchScaleChangeEnabled;
    float _normalScaleValueX;
    float _normalScaleValueY;
    std::string _fontName;
    int _fontSize;
    float _onSelectedScaleOffset;
    Label* _labelRenderer;
    bool _labelRendererAdaptDirty;
};

}

NS_CC_END

#endif /* defined(__CocoGUI__Label__) */