[692] | 1 | /*
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| 2 | -----------------------------------------------------------------------------
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| 3 | This source file is part of OGRE
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| 4 | (Object-oriented Graphics Rendering Engine)
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| 5 | For the latest info, see http://www.ogre3d.org/
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| 6 |
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| 7 | Copyright (c) 2000-2005 The OGRE Team
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| 8 | Also see acknowledgements in Readme.html
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| 9 |
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| 10 | This program is free software; you can redistribute it and/or modify it under
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| 11 | the terms of the GNU Lesser General Public License as published by the Free Software
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| 12 | Foundation; either version 2 of the License, or (at your option) any later
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| 13 | version.
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| 14 |
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| 15 | This program is distributed in the hope that it will be useful, but WITHOUT
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| 16 | ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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| 17 | FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
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| 18 |
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| 19 | You should have received a copy of the GNU Lesser General Public License along with
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| 20 | this program; if not, write to the Free Software Foundation, Inc., 59 Temple
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| 21 | Place - Suite 330, Boston, MA 02111-1307, USA, or go to
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| 22 | http://www.gnu.org/copyleft/lesser.txt.
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| 23 | -----------------------------------------------------------------------------
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| 24 | */
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| 25 | #include "OgreStableHeaders.h"
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| 26 |
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| 27 | #include "OgreEventProcessor.h"
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| 28 | #include "OgreEventDispatcher.h"
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| 29 | #include "OgreEventQueue.h"
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| 30 | #include "OgreRoot.h"
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| 31 | #include "OgreMouseEvent.h"
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| 32 | #include "OgreKeyEvent.h"
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| 33 | #include "OgreInput.h"
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| 34 | #include "OgreCursor.h"
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| 35 | #include "OgrePlatformManager.h"
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| 36 |
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| 37 |
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| 38 | namespace Ogre {
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| 39 | //-----------------------------------------------------------------------
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| 40 | template<> EventProcessor* Singleton<EventProcessor>::ms_Singleton = 0;
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| 41 | EventProcessor* EventProcessor::getSingletonPtr(void)
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| 42 | {
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| 43 | return ms_Singleton;
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| 44 | }
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| 45 | EventProcessor& EventProcessor::getSingleton(void)
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| 46 | {
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| 47 | assert( ms_Singleton ); return ( *ms_Singleton );
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| 48 | }
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| 49 | //-----------------------------------------------------------------------
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| 50 | //-----------------------------------------------------------------------------
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| 51 | EventProcessor::EventProcessor() :
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| 52 | MouseTarget(),
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| 53 | MouseMotionTarget()
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| 54 | {
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| 55 | mEventQueue = 0;
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| 56 | mInputDevice = 0;
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| 57 | mRegisteredAsFrameListener = false;
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| 58 | }
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| 59 |
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| 60 | //-----------------------------------------------------------------------------
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| 61 | EventProcessor::~EventProcessor()
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| 62 | {
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| 63 | // just in case more frames are still being rendered
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| 64 | // and was registered as a FrameListener.
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| 65 | stopProcessingEvents();
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| 66 | cleanup();
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| 67 | }
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| 68 |
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| 69 | //-----------------------------------------------------------------------------
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| 70 | void EventProcessor::cleanup()
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| 71 | {
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| 72 | if (mEventQueue)
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| 73 | delete mEventQueue;
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| 74 |
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| 75 | for(DispatcherList::iterator i = mDispatcherList.begin(); i != mDispatcherList.end(); ++i )
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| 76 | {
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| 77 | delete *i;
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| 78 | }
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| 79 | mDispatcherList.clear();
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| 80 |
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| 81 | PlatformManager::getSingleton().destroyInputReader(mInputDevice);
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| 82 |
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| 83 | }
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| 84 |
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| 85 | //-----------------------------------------------------------------------------
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| 86 | void EventProcessor::stopProcessingEvents()
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| 87 | {
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| 88 |
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| 89 | mEventQueue->activateEventQueue(false);
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| 90 |
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| 91 | if(mRegisteredAsFrameListener)
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| 92 | {
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| 93 | Root::getSingleton().removeFrameListener(this);
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| 94 | mRegisteredAsFrameListener = false;
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| 95 | }
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| 96 |
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| 97 | }
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| 98 |
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| 99 | //-----------------------------------------------------------------------------
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| 100 | void EventProcessor::initialise(RenderWindow* ren)
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| 101 | {
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| 102 | cleanup();
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| 103 |
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| 104 |
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| 105 | mEventQueue = new EventQueue();
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| 106 |
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| 107 | mInputDevice = PlatformManager::getSingleton().createInputReader();
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| 108 | mInputDevice->useBufferedInput(mEventQueue);
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| 109 | mInputDevice->initialise(ren,true, true, false);
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| 110 |
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| 111 | }
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| 112 | //-----------------------------------------------------------------------------
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| 113 |
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| 114 | void EventProcessor::addTargetManager(TargetManager* targetManager)
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| 115 | {
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| 116 | EventDispatcher* pDispatcher = new EventDispatcher(targetManager);
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| 117 | mDispatcherList.push_back(pDispatcher);
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| 118 | }
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| 119 |
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| 120 | //-----------------------------------------------------------------------------
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| 121 | void EventProcessor::addEventTarget(EventTarget* eventTarget)
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| 122 | {
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| 123 | mEventTargetList.push_back(eventTarget);
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| 124 | }
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| 125 |
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| 126 |
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| 127 | //-----------------------------------------------------------------------------
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| 128 | void EventProcessor::startProcessingEvents(bool registerListener)
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| 129 | {
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| 130 | if(registerListener)
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| 131 | {
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| 132 | Root::getSingleton().addFrameListener(this);
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| 133 | mRegisteredAsFrameListener = true;
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| 134 | }
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| 135 |
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| 136 | mEventQueue->activateEventQueue(true);
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| 137 | }
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| 138 |
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| 139 |
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| 140 | //-----------------------------------------------------------------------------
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| 141 | bool EventProcessor::frameStarted(const FrameEvent& evt)
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| 142 | {
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| 143 | mInputDevice->capture();
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| 144 |
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| 145 | while (mEventQueue->getSize() > 0)
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| 146 | {
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| 147 | InputEvent* e = mEventQueue->pop();
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| 148 | processEvent(e);
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| 149 | delete e;
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| 150 | }
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| 151 |
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| 152 | return true;
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| 153 | }
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| 154 |
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| 155 | //-----------------------------------------------------------------------------
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| 156 | void EventProcessor::processEvent(InputEvent* e)
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| 157 | {
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| 158 | // try the event dispatcher list
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| 159 | for (DispatcherList::iterator i = mDispatcherList.begin(); i != mDispatcherList.end(); ++i )
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| 160 | {
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| 161 | (*i)->dispatchEvent(e);
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| 162 | }
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| 163 |
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| 164 | // try the event target list
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| 165 | if (!e->isConsumed())
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| 166 | {
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| 167 | EventTargetList::iterator i, iEnd;
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| 168 |
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| 169 | iEnd = mEventTargetList.end();
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| 170 | for (i = mEventTargetList.begin(); i != iEnd; ++i )
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| 171 | {
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| 172 | (*i)->processEvent(e);
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| 173 | }
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| 174 | }
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| 175 |
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| 176 | if (!e->isConsumed())
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| 177 | {
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| 178 | switch(e->getID())
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| 179 | {
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| 180 | case MouseEvent::ME_MOUSE_PRESSED:
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| 181 | case MouseEvent::ME_MOUSE_RELEASED:
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| 182 | case MouseEvent::ME_MOUSE_CLICKED:
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| 183 | case MouseEvent::ME_MOUSE_ENTERED:
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| 184 | case MouseEvent::ME_MOUSE_EXITED:
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| 185 | case MouseEvent::ME_MOUSE_DRAGENTERED:
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| 186 | case MouseEvent::ME_MOUSE_DRAGEXITED:
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| 187 | case MouseEvent::ME_MOUSE_DRAGDROPPED:
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| 188 | processMouseEvent(static_cast<MouseEvent*>(e));
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| 189 | break;
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| 190 | case MouseEvent::ME_MOUSE_MOVED:
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| 191 | case MouseEvent::ME_MOUSE_DRAGGED:
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| 192 | case MouseEvent::ME_MOUSE_DRAGMOVED:
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| 193 | processMouseMotionEvent(static_cast<MouseEvent*>(e));
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| 194 | break;
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| 195 | case KeyEvent::KE_KEY_PRESSED:
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| 196 | case KeyEvent::KE_KEY_RELEASED:
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| 197 | case KeyEvent::KE_KEY_CLICKED:
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| 198 | processKeyEvent(static_cast<KeyEvent*>(e));
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| 199 | break;
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| 200 | }
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| 201 | }
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| 202 | }
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| 203 |
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| 204 | //-----------------------------------------------------------------------------
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| 205 | void EventProcessor::addCursorMoveListener(MouseMotionListener* c)
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| 206 | {
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| 207 | mInputDevice->addCursorMoveListener(c);
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| 208 | }
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| 209 | //-----------------------------------------------------------------------------
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| 210 | void EventProcessor::removeCursorMoveListener(MouseMotionListener* c)
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| 211 | {
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| 212 | mInputDevice->removeCursorMoveListener(c);
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| 213 | }
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| 214 |
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| 215 | //-----------------------------------------------------------------------------
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| 216 | Real EventProcessor::getLeft() const
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| 217 | {
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| 218 | return 0;
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| 219 | }
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| 220 |
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| 221 | //-----------------------------------------------------------------------------
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| 222 | Real EventProcessor::getTop() const
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| 223 | {
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| 224 | return 0;
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| 225 | }
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| 226 |
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| 227 | //-----------------------------------------------------------------------------
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| 228 | PositionTarget* EventProcessor::getPositionTargetParent() const
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| 229 | {
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| 230 | return NULL;
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| 231 | }
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| 232 | //-----------------------------------------------------------------------------
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| 233 |
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| 234 | }
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| 235 |
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