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			156 lines
		
	
	
	
		
			5.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			156 lines
		
	
	
	
		
			5.6 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
/*!
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	@file
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	@author		Albert Semenov
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	@date		08/2008
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	@module
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*/
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/*
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	This file is part of MyGUI.
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	MyGUI is free software: you can redistribute it and/or modify
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	it under the terms of the GNU Lesser General Public License as published by
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	the Free Software Foundation, either version 3 of the License, or
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	(at your option) any later version.
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	MyGUI is distributed in the hope that it will be useful,
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	but WITHOUT ANY WARRANTY; without even the implied warranty of
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	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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	GNU Lesser General Public License for more details.
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	You should have received a copy of the GNU Lesser General Public License
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	along with MyGUI.  If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef __MYGUI_SCROLL_VIEW_H__
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#define __MYGUI_SCROLL_VIEW_H__
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#include "MyGUI_Prerequest.h"
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#include "MyGUI_Widget.h"
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#include "MyGUI_ScrollViewBase.h"
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namespace MyGUI
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{
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	class MYGUI_EXPORT ScrollView :
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		public Widget,
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		protected ScrollViewBase
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	{
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		MYGUI_RTTI_DERIVED( ScrollView )
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	public:
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		ScrollView();
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		//! @copydoc Widget::setPosition(const IntPoint& _value)
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		virtual void setPosition(const IntPoint& _value);
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		//! @copydoc Widget::setSize(const IntSize& _value)
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		virtual void setSize(const IntSize& _value);
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		//! @copydoc Widget::setCoord(const IntCoord& _value)
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		virtual void setCoord(const IntCoord& _value);
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		/** @copydoc Widget::setPosition(int _left, int _top) */
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		void setPosition(int _left, int _top) { setPosition(IntPoint(_left, _top)); }
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		/** @copydoc Widget::setSize(int _width, int _height) */
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		void setSize(int _width, int _height) { setSize(IntSize(_width, _height)); }
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		/** @copydoc Widget::setCoord(int _left, int _top, int _width, int _height) */
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		void setCoord(int _left, int _top, int _width, int _height) { setCoord(IntCoord(_left, _top, _width, _height)); }
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		/** Show VScroll when text size larger than Edit */
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		void setVisibleVScroll(bool _value);
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		/** Get Show VScroll flag */
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		bool isVisibleVScroll() { return mVisibleVScroll; }
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		/** Show HScroll when text size larger than Edit */
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		void setVisibleHScroll(bool _value);
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		/** Get Show HScroll flag */
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		bool isVisibleHScroll() { return mVisibleHScroll; }
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		/** Set canvas align */
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		void setCanvasAlign(Align _value);
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		/** Get canvas align */
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		Align getCanvasAlign() { return mContentAlign; }
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		/** Set canvas size */
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		void setCanvasSize(const IntSize& _value);
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		/** Set canvas size */
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		void setCanvasSize(int _width, int _height) { setCanvasSize(IntSize(_width, _height)); }
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		/** Get canvas size */
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		IntSize getCanvasSize();
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		/** Get rect where child widgets placed */
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		const IntCoord& getClientCoord();
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		/** @copydoc Widget::setProperty(const std::string& _key, const std::string& _value) */
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		virtual void setProperty(const std::string& _key, const std::string& _value);
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	/*internal:*/
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		virtual void _initialise(WidgetStyle _style, const IntCoord& _coord, Align _align, ResourceSkin* _info, Widget* _parent, ICroppedRectangle * _croppedParent, IWidgetCreator * _creator, const std::string& _name);
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	/*obsolete:*/
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#ifndef MYGUI_DONT_USE_OBSOLETE
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		MYGUI_OBSOLETE("use : void Widget::setCoord(const IntCoord& _coord)")
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		void setPosition(const IntCoord& _coord) { setCoord(_coord); }
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		MYGUI_OBSOLETE("use : void Widget::setCoord(int _left, int _top, int _width, int _height)")
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		void setPosition(int _left, int _top, int _width, int _height) { setCoord(_left, _top, _width, _height); }
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		MYGUI_OBSOLETE("use : void ScrollView::setVisibleVScroll(bool _visible)")
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		void showVScroll(bool _visible) { setVisibleVScroll(_visible); }
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		MYGUI_OBSOLETE("use : bool ScrollView::isVisibleVScroll()")
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		bool isShowVScroll() { return isVisibleVScroll(); }
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		MYGUI_OBSOLETE("use : void ScrollView::setVisibleHScroll(bool _visible)")
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		void showHScroll(bool _visible) { setVisibleHScroll(_visible); }
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		MYGUI_OBSOLETE("use : bool ScrollView::isVisibleHScroll()")
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		bool isShowHScroll() { return isVisibleHScroll(); }
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#endif // MYGUI_DONT_USE_OBSOLETE
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	protected:
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		virtual ~ScrollView();
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		void baseChangeWidgetSkin(ResourceSkin* _info);
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		// переопределяем для присвоению холста
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		virtual Widget* baseCreateWidget(WidgetStyle _style, const std::string& _type, const std::string& _skin, const IntCoord& _coord, Align _align, const std::string& _layer, const std::string& _name);
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		void notifyMouseSetFocus(Widget* _sender, Widget* _old);
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		void notifyMouseLostFocus(Widget* _sender, Widget* _new);
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		void notifyMousePressed(Widget* _sender, int _left, int _top, MouseButton _id);
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		void notifyMouseReleased(Widget* _sender, int _left, int _top, MouseButton _id);
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		void notifyScrollChangePosition(VScroll* _sender, size_t _position);
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		void notifyMouseWheel(Widget* _sender, int _rel);
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		virtual void onKeyLostFocus(Widget* _new);
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		virtual void onKeySetFocus(Widget* _old);
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		void updateScrollViewState();
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		void updateView();
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	private:
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		void initialiseWidgetSkin(ResourceSkin* _info);
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		void shutdownWidgetSkin();
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		// размер данных
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		virtual IntSize getContentSize();
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		// смещение данных
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		virtual IntPoint getContentPosition();
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		virtual void setContentPosition(const IntPoint& _point);
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		// размер окна, через которые видно данные
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		virtual IntSize getViewSize() const;
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		// размер на который прокручиваются данные при щелчке по скролу
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		virtual size_t getVScrollPage();
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		virtual size_t getHScrollPage();
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		virtual Align getContentAlign() { return mContentAlign; }
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	protected:
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		bool mIsFocus;
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		bool mIsPressed;
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		Widget* mScrollClient;
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		Align mContentAlign;
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	};
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} // namespace MyGUI
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#endif // __MYGUI_SCROLL_VIEW_H__
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