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OgreOverlayManager.h

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00001 /*
00002 -----------------------------------------------------------------------------
00003 This source file is part of OGRE
00004     (Object-oriented Graphics Rendering Engine)
00005 For the latest info, see http://www.ogre3d.org/
00006 
00007 Copyright © 2000-2002 The OGRE Team
00008 Also see acknowledgements in Readme.html
00009 
00010 This program is free software; you can redistribute it and/or modify it under
00011 the terms of the GNU Lesser General Public License as published by the Free Software
00012 Foundation; either version 2 of the License, or (at your option) any later
00013 version.
00014 
00015 This program is distributed in the hope that it will be useful, but WITHOUT
00016 ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
00017 FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.
00018 
00019 You should have received a copy of the GNU Lesser General Public License along with
00020 this program; if not, write to the Free Software Foundation, Inc., 59 Temple
00021 Place - Suite 330, Boston, MA 02111-1307, USA, or go to
00022 http://www.gnu.org/copyleft/lesser.txt.
00023 -----------------------------------------------------------------------------
00024 */
00025 #ifndef __OverlayManager_H__
00026 #define __OverlayManager_H__
00027 
00028 #include <set>
00029 #include "OgrePrerequisites.h"
00030 #include "OgreEventDispatcher.h"
00031 #include "OgreEventListeners.h"
00032 #include "OgreEventTarget.h"
00033 #include "OgreResourceManager.h"
00034 #include "OgreSingleton.h"
00035 #include "OgreStringVector.h"
00036 #include "OgreEventDispatcher.h"
00037 #include "OgreTargetManager.h"
00038 
00039 namespace Ogre {
00040 
00044     class _OgreExport OverlayManager : public ResourceManager, public Singleton<OverlayManager>, public TargetManager, public EventTarget
00045     {
00046     protected:
00047         typedef std::list<MouseMotionListener*> MouseMotionListenerList;
00048         EventDispatcher mEventDispatcher;
00049         Overlay* mCursorLevelOverlay;
00050         bool mCursorGuiInitialised;
00051         GuiContainer* mCursorGuiRegistered;
00052         MouseMotionListener* mCursorListener;
00053         MouseMotionListenerList mMouseMotionListenerList;
00054 
00055         void parseNewElement( DataChunk& chunk, String& elemType, String& elemName, 
00056             bool isContainer, Overlay* pOverlay, bool isTemplate, String templateName = String(""), GuiContainer* container = 0);
00057         void parseAttrib( const String& line, Overlay* pOverlay);
00058         void parseElementAttrib( const String& line, Overlay* pOverlay, GuiElement* pElement );
00059         void parseNewMesh(DataChunk& chunk, String& meshName, String& entityName, Overlay* pOverlay);
00060         void skipToNextCloseBrace(DataChunk& chunk);
00061         void skipToNextOpenBrace(DataChunk& chunk);
00062         
00063         int mLastViewportWidth, mLastViewportHeight;
00064         bool mViewportDimensionsChanged;
00065 
00066         StringVector mLoadedOverlays;
00067 
00068         bool parseChildren( DataChunk& chunk, const String& line,
00069             Overlay* pOverlay, bool isTemplate, GuiContainer* parent = NULL);
00070 
00071     public:
00072         OverlayManager();
00073         virtual ~OverlayManager();
00074 
00076         void parseOverlayFile(DataChunk& chunk);
00078         void parseAllSources(const String& extension = ".overlay");
00079         void parseOverlayFile(ArchiveEx* pArchiveEx, const String& name);
00080 
00081         void loadAndParseOverlayFile(const String& filename);
00082 
00084         virtual Resource* create( const String& name);
00085 
00087         void _queueOverlaysForRendering(Camera* cam, RenderQueue* pQueue, Viewport *vp);
00088 
00093         bool hasViewportChanged(void) const;
00094 
00096         int getViewportHeight(void) const;
00097         
00099         int getViewportWidth(void) const;
00100         Real getViewportAspectRatio(void) const;
00101 
00103         PositionTarget* getPositionTargetAt(Real x, Real y);
00104 
00105         void processEvent(InputEvent* e);
00106 
00108         void setDefaultCursorGui(GuiContainer* cursor, MouseMotionListener*);
00110         void setCursorGui(GuiContainer* cursor);
00111         void addMouseMotionListener(MouseMotionListener* l);
00112         void removeMouseMotionListener(MouseMotionListener* l);
00113         Real getMouseX() { return mEventDispatcher.getMouseX(); }
00114         Real getMouseY() { return mEventDispatcher.getMouseY(); }
00115         void setDragDrop(bool dragDropOn) { mEventDispatcher.setDragDrop(dragDropOn); }
00117         GuiContainer* getCursorGui();
00118 
00120         void createCursorOverlay();
00136         static OverlayManager& getSingleton(void);
00152         static OverlayManager* getSingletonPtr(void);
00153     };
00154 
00155 
00156 
00157 }
00158 
00159 
00160 #endif 

Copyright © 2002-2003 by The OGRE Team
Last modified Fri May 14 23:22:30 2004