00001 /************************************************************************ 00002 filename: CEGUIPushButton.cpp 00003 created: 13/4/2004 00004 author: Paul D Turner 00005 00006 purpose: Implementation of PushButton widget base class 00007 *************************************************************************/ 00008 /************************************************************************* 00009 Crazy Eddie's GUI System (http://www.cegui.org.uk) 00010 Copyright (C)2004 - 2005 Paul D Turner (paul@cegui.org.uk) 00011 00012 This library is free software; you can redistribute it and/or 00013 modify it under the terms of the GNU Lesser General Public 00014 License as published by the Free Software Foundation; either 00015 version 2.1 of the License, or (at your option) any later version. 00016 00017 This library is distributed in the hope that it will be useful, 00018 but WITHOUT ANY WARRANTY; without even the implied warranty of 00019 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00020 Lesser General Public License for more details. 00021 00022 You should have received a copy of the GNU Lesser General Public 00023 License along with this library; if not, write to the Free Software 00024 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00025 *************************************************************************/ 00026 #include "elements/CEGUIPushButton.h" 00027 00028 // Start of CEGUI namespace section 00029 namespace CEGUI 00030 { 00031 const String PushButton::EventNamespace("PushButton"); 00032 00033 /************************************************************************* 00034 Event name constants 00035 *************************************************************************/ 00036 const String PushButton::EventClicked( (utf8*)"Clicked" ); 00037 00038 00039 /************************************************************************* 00040 Constructor 00041 *************************************************************************/ 00042 PushButton::PushButton(const String& type, const String& name) : 00043 ButtonBase(type, name) 00044 { 00045 // add the additional events generated by this derived class 00046 addPushButtonEvents(); 00047 } 00048 00049 00050 /************************************************************************* 00051 Destructor 00052 *************************************************************************/ 00053 PushButton::~PushButton(void) 00054 { 00055 } 00056 00057 00058 /************************************************************************* 00059 Add button specific events 00060 *************************************************************************/ 00061 void PushButton::addPushButtonEvents(void) 00062 { 00063 addEvent(EventClicked); 00064 } 00065 00066 00067 /************************************************************************* 00068 handler invoked internally when the button is clicked. 00069 *************************************************************************/ 00070 void PushButton::onClicked(WindowEventArgs& e) 00071 { 00072 fireEvent(EventClicked, e, EventNamespace); 00073 } 00074 00075 00076 /************************************************************************* 00077 Handler for mouse button release events 00078 *************************************************************************/ 00079 void PushButton::onMouseButtonUp(MouseEventArgs& e) 00080 { 00081 if ((e.button == LeftButton) && isPushed()) 00082 { 00083 Window* sheet = System::getSingleton().getGUISheet(); 00084 00085 if (sheet != NULL) 00086 { 00087 // if mouse was released over this widget 00088 if (this == sheet->getChildAtPosition(e.position)) 00089 { 00090 // fire event 00091 WindowEventArgs args(this); 00092 onClicked(args); 00093 } 00094 00095 } 00096 00097 e.handled = true; 00098 } 00099 00100 // default handling 00101 ButtonBase::onMouseButtonUp(e); 00102 } 00103 00104 00105 } // End of CEGUI namespace section