mirror of https://github.com/axmolengine/axmol.git
140 lines
3.8 KiB
C++
140 lines
3.8 KiB
C++
/****************************************************************************
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Copyright (c) 2013-2014 Chukong Technologies Inc.
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http://www.cocos2d-x.org
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Permission is hereby granted, free of charge, to any person obtaining a copy
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of this software and associated documentation files (the "Software"), to deal
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in the Software without restriction, including without limitation the rights
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to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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copies of the Software, and to permit persons to whom the Software is
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furnished to do so, subject to the following conditions:
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The above copyright notice and this permission notice shall be included in
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all copies or substantial portions of the Software.
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THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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THE SOFTWARE.
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****************************************************************************/
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#ifndef __cocos2d_libs__CCLayoutManager__
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#define __cocos2d_libs__CCLayoutManager__
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#include "base/CCRef.h"
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#include "base/CCVector.h"
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#include "ui/GUIExport.h"
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NS_CC_BEGIN
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namespace ui {
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/**
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* @addtogroup ui
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* @{
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*/
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class LayoutProtocol;
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class Widget;
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class RelativeLayoutParameter;
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/**
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*@brief Base class for managing layout.
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* All the concret layout manager should inherit from this class.
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*@lua NA
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*@js NA
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*/
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class CC_GUI_DLL LayoutManager : public Ref
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{
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public:
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virtual ~LayoutManager(){};
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LayoutManager(){};
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/**
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* The interface does the actual layouting work.
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*/
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virtual void doLayout(LayoutProtocol *layout) = 0;
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friend class Layout;
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};
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/**
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*@brief Linear vertical layouting class.
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* Note: This class is used only by @see `Layout` class.
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*@lua NA
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*@js NA
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*/
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class CC_GUI_DLL LinearVerticalLayoutManager : public LayoutManager
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{
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private:
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LinearVerticalLayoutManager(){};
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virtual ~LinearVerticalLayoutManager(){};
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static LinearVerticalLayoutManager* create();
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virtual void doLayout(LayoutProtocol *layout) override;
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friend class Layout;
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};
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/**
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*@brief Linear horizontal layouting class.
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*Note: This class is used only by @see `Layout` class.
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*@lua NA
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*@js NA
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*/
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class CC_GUI_DLL LinearHorizontalLayoutManager : public LayoutManager
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{
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private:
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LinearHorizontalLayoutManager(){};
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virtual ~LinearHorizontalLayoutManager(){};
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static LinearHorizontalLayoutManager* create();
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virtual void doLayout(LayoutProtocol *layout) override;
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friend class Layout;
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};
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/**
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*@brief Relative layouting class.
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*Note: This class is used only by @see `Layout` class.
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*@lua NA
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*@js NA
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*/
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class CC_GUI_DLL RelativeLayoutManager : public LayoutManager
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{
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private:
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RelativeLayoutManager()
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:_unlayoutChildCount(0),
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_widget(nullptr),
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_finalPositionX(0.0f),
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_finalPositionY(0.0f),
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_relativeWidgetLP(nullptr)
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{}
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virtual ~RelativeLayoutManager(){};
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static RelativeLayoutManager* create();
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virtual void doLayout(LayoutProtocol *layout) override;
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Vector<Widget*> getAllWidgets(LayoutProtocol *layout);
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Widget* getRelativeWidget(Widget* widget);
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bool caculateFinalPositionWithRelativeWidget(LayoutProtocol *layout);
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void caculateFinalPositionWithRelativeAlign();
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ssize_t _unlayoutChildCount;
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Vector<Widget*> _widgetChildren;
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Widget* _widget;
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float _finalPositionX;
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float _finalPositionY;
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RelativeLayoutParameter* _relativeWidgetLP;
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friend class Layout;
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};
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}
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// end of ui group
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/// @}
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NS_CC_END
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#endif /* defined(__cocos2d_libs__CCLayoutManager__) */
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