source: OGRE/trunk/ogrenew/OgreMain/src/OgreEventProcessor.cpp @ 692

Revision 692, 7.2 KB checked in by mattausch, 19 years ago (diff)

adding ogre 1.2 and dependencies

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