text: /*
   * This source file is part of MyGUI. For the latest info, see http://mygui.info/
   * Distributed under the MIT License
   * (See accompanying file COPYING.MIT or copy at http://opensource.org/licenses/MIT)
   */
  
  #ifndef MYGUI_EDIT_TEXT_H_
  #define MYGUI_EDIT_TEXT_H_
  
  #include "MyGUI_Prerequest.h"
  #include "MyGUI_XmlDocument.h"
  #include "MyGUI_Types.h"
  #include "MyGUI_ISubWidgetText.h"
  #include "MyGUI_IFont.h"
  #include "MyGUI_ResourceSkin.h"
  #include "MyGUI_RenderFormat.h"
  #include "MyGUI_TextView.h"
  #include "MyGUI_VertexData.h"
  
  namespace MyGUI
  {
  
  	class RenderItem;
  
  	class MYGUI_EXPORT EditText :
  		public ISubWidgetText
  	{
  		MYGUI_RTTI_DERIVED( EditText )
  
  	public:
  		EditText();
  
  		void setVisible(bool _value) override;
  
  		// use in const methods, but actually might update object
  		void updateRawData() const;
  
  		// метод для отрисовки себя
  		void doRender() override;
  
  		void setCaption(const UString& _value) override;
  		const UString& getCaption() const override;
  
  		void setTextColour(const Colour& _value)override;
  		const Colour& getTextColour() const override;
  
  		void setAlpha(float _value) override;
  
  		void setFontName(const std::string& _value) override;
  		const std::string& getFontName() const override;
  
  		void setFontHeight(int _value) override;
  		int getFontHeight() const override;
  
  		void createDrawItem(ITexture* _texture, ILayerNode* _node) override;
  		void destroyDrawItem() override;
  
  		void setTextAlign(Align _value) override;
  		Align getTextAlign() const override;
  
  		size_t getTextSelectionStart() const override;
  		size_t getTextSelectionEnd() const override;
  		void setTextSelection(size_t _start, size_t _end) override;
  
  		bool getSelectBackground() const override;
  		void setSelectBackground(bool _normal) override;
  
  		bool isVisibleCursor() const override;
  		void setVisibleCursor(bool _value) override;
  
  		/** Get invert selected text color property. */
  		bool getInvertSelected() const override;
  		/** Enable or disable inverting color of selected text.\n
  			Enabled (true) by default.
  		*/
  		void setInvertSelected(bool _value) override;
  
  		size_t getCursorPosition() const override;
  		void setCursorPosition(size_t _index) override;
  
  		IntSize getTextSize() const override;
  
  		// устанавливает смещение текста в пикселях
  		void setViewOffset(const IntPoint& _point) override;
  		IntPoint getViewOffset() const override;
  
  		// возвращает положение курсора по произвольному положению
  		size_t getCursorPosition(const IntPoint& _point) const override;
  
  		// возвращает положение курсора в обсолютных координатах
  		IntCoord getCursorCoord(size_t _position) const override;
  
  		bool getShadow() const override;
  		void setShadow(bool _value) override;
  
  		void setShiftText(bool _shift) override;
  
  		void setWordWrap(bool _value) override;
  
  		void setStateData(IStateInfo* _data) override;
  
  		void setShadowColour(const Colour& _value) override;
  		const Colour& getShadowColour() const override;
  
  		/*internal:*/
  		void _updateView() override;
  		void _correctView() override;
  
  		void _setAlign(const IntSize& _oldsize) override;
  
  		virtual const VectorLineInfo& getLineInfo() const;
  
  	private:
  		void _setTextColour(const Colour& _value);
  		void checkVertexSize();
  		unsigned int getMixedNativeAlpha(float secondAlpha) const;
  
  		void drawQuad(
  			Vertex*& _vertex,
  			size_t& _vertexCount,
  			const FloatRect& _vertexRect,
  			float _vertexZ,
  			const FloatRect& _textureRect,
  			uint32 _colour) const;
  
  		void drawGlyph(
  			const RenderTargetInfo& renderTargetInfo,
  			Vertex*& _vertex,
  			size_t& _vertexCount,
  			FloatRect _vertexRect,
  			FloatRect _textureRect,
  			uint32 _colour) const;
  
  	protected:
  		bool mEmptyView;
  		uint32 mCurrentColourNative;
  		uint32 mInverseColourNative;
  		uint32 mShadowColourNative;
  		IntCoord mCurrentCoord;
  
  		UString mCaption;
  		UString::utf32string mUtf32Caption;
  		mutable bool mTextOutDate;
  		Align mTextAlign;
  
  		Colour mColour;
  		Colour mShadowColour;
  		float mAlpha;
  		VertexColourType mVertexFormat;
  
  		IFont* mFont;
  		ITexture* mTexture;
  		int mFontHeight;
  
  		bool mBackgroundNormal;
  		size_t mStartSelect;
  		size_t mEndSelect;
  		size_t mCursorPosition;
  		bool mVisibleCursor;
  		bool mInvertSelect;
  		bool mShadow;
  
  		IntPoint mViewOffset; // смещение текста
  
  		ILayerNode* mNode;
  		RenderItem* mRenderItem;
  		size_t mCountVertex;
  		bool mIsAddCursorWidth;
  
  		bool mShiftText;
  		bool mWordWrap;
  		bool mManualColour;
  		int mOldWidth;
  
  		mutable TextView mTextView;
  	};
  
  } // namespace MyGUI
  
  #endif // MYGUI_EDIT_TEXT_H_
  