MyGUI  3.0.1
MyGUI_ActionController.cpp
Go to the documentation of this file.
00001 
00007 /*
00008     This file is part of MyGUI.
00009 
00010     MyGUI is free software: you can redistribute it and/or modify
00011     it under the terms of the GNU Lesser General Public License as published by
00012     the Free Software Foundation, either version 3 of the License, or
00013     (at your option) any later version.
00014 
00015     MyGUI is distributed in the hope that it will be useful,
00016     but WITHOUT ANY WARRANTY; without even the implied warranty of
00017     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018     GNU Lesser General Public License for more details.
00019 
00020     You should have received a copy of the GNU Lesser General Public License
00021     along with MyGUI.  If not, see <http://www.gnu.org/licenses/>.
00022 */
00023 
00024 #include "MyGUI_Precompiled.h"
00025 #include "MyGUI_ActionController.h"
00026 #include "MyGUI_Widget.h"
00027 #include "MyGUI_WidgetManager.h"
00028 
00029 namespace MyGUI
00030 {
00031 
00032     namespace action
00033     {
00034 
00035         void actionWidgetHide(Widget* _widget)
00036         {
00037             _widget->setVisible(false);
00038         }
00039 
00040         void actionWidgetShow(Widget* _widget)
00041         {
00042             _widget->setVisible(true);
00043         }
00044 
00045         void actionWidgetDestroy(Widget* _widget)
00046         {
00047             WidgetManager::getInstance().destroyWidget(_widget);
00048         }
00049 
00050         void linearMoveFunction(const IntCoord& _startRect, const IntCoord& _destRect, IntCoord& _result, float _k)
00051         {
00052             _result.set(_startRect.left   - int( float(_startRect.left   - _destRect.left)   * _k ),
00053                         _startRect.top    - int( float(_startRect.top    - _destRect.top)    * _k ),
00054                         _startRect.width  - int( float(_startRect.width  - _destRect.width)  * _k ),
00055                         _startRect.height - int( float(_startRect.height - _destRect.height) * _k )
00056                        );
00057         }
00058 
00059         void inertionalMoveFunction(const IntCoord& _startRect, const IntCoord& _destRect, IntCoord& _result, float _current_time)
00060         {
00061 #ifndef M_PI
00062             const float M_PI = 3.141593f;
00063 #endif
00064             float k = sin(M_PI * _current_time - M_PI/2.0f);
00065             if (k<0) k = (-pow(-k, 0.7f) + 1)/2;
00066             else k = (pow(k, 0.7f) + 1)/2;
00067             linearMoveFunction(_startRect, _destRect, _result, k);
00068         }
00069 
00070     } // namespace action
00071 
00072 } // namespace MyGUI