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openmw-tes3mp/extern/osgQt/GraphicsWindowQt

158 lines
5.0 KiB
C++

/* -*-c++-*- OpenSceneGraph - Copyright (C) 2009 Wang Rui
*
* This library is open source and may be redistributed and/or modified under
* the terms of the OpenSceneGraph Public License (OSGPL) version 0.0 or
* (at your option) any later version. The full license is in LICENSE file
* included with this distribution, and on the openscenegraph.org website.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* OpenSceneGraph Public License for more details.
*/
#ifndef OSGVIEWER_GRAPHICSWINDOWQT
#define OSGVIEWER_GRAPHICSWINDOWQT
#include <QGLWidget>
#include <osgViewer/GraphicsWindow>
#include <QMutex>
#include <QEvent>
#include <QQueue>
#include <QSet>
#include <QGLWidget>
class QInputEvent;
class QGestureEvent;
namespace osgViewer {
class ViewerBase;
}
namespace osgQt
{
// forward declarations
class GraphicsWindowQt;
class GLWidget : public QGLWidget
{
typedef QGLWidget inherited;
public:
GLWidget( QWidget* parent = NULL, const QGLWidget* shareWidget = NULL, Qt::WindowFlags f = 0);
GLWidget( QGLContext* context, QWidget* parent = NULL, const QGLWidget* shareWidget = NULL, Qt::WindowFlags f = 0);
GLWidget( const QGLFormat& format, QWidget* parent = NULL, const QGLWidget* shareWidget = NULL, Qt::WindowFlags f = 0);
virtual ~GLWidget();
inline void setGraphicsWindow( GraphicsWindowQt* gw ) { _gw = gw; }
inline GraphicsWindowQt* getGraphicsWindow() { return _gw; }
inline const GraphicsWindowQt* getGraphicsWindow() const { return _gw; }
protected:
int getNumDeferredEvents()
{
QMutexLocker lock(&_deferredEventQueueMutex);
return _deferredEventQueue.count();
}
void enqueueDeferredEvent(QEvent::Type eventType, QEvent::Type removeEventType = QEvent::None)
{
QMutexLocker lock(&_deferredEventQueueMutex);
if (removeEventType != QEvent::None)
{
if (_deferredEventQueue.removeOne(removeEventType))
_eventCompressor.remove(eventType);
}
if (_eventCompressor.find(eventType) == _eventCompressor.end())
{
_deferredEventQueue.enqueue(eventType);
_eventCompressor.insert(eventType);
}
}
void processDeferredEvents();
friend class GraphicsWindowQt;
GraphicsWindowQt* _gw;
QMutex _deferredEventQueueMutex;
QQueue<QEvent::Type> _deferredEventQueue;
QSet<QEvent::Type> _eventCompressor;
qreal _devicePixelRatio;
virtual void resizeEvent( QResizeEvent* event );
virtual void moveEvent( QMoveEvent* event );
virtual void glDraw();
virtual bool event( QEvent* event );
};
class GraphicsWindowQt : public osgViewer::GraphicsWindow
{
public:
GraphicsWindowQt( osg::GraphicsContext::Traits* traits, QWidget* parent = NULL, const QGLWidget* shareWidget = NULL, Qt::WindowFlags f = 0 );
GraphicsWindowQt( GLWidget* widget );
virtual ~GraphicsWindowQt();
inline GLWidget* getGLWidget() { return _widget; }
inline const GLWidget* getGLWidget() const { return _widget; }
/// deprecated
inline GLWidget* getGraphWidget() { return _widget; }
/// deprecated
inline const GLWidget* getGraphWidget() const { return _widget; }
struct WindowData : public osg::Referenced
{
WindowData( GLWidget* widget = NULL, QWidget* parent = NULL ): _widget(widget), _parent(parent) {}
GLWidget* _widget;
QWidget* _parent;
};
bool init( QWidget* parent, const QGLWidget* shareWidget, Qt::WindowFlags f );
static QGLFormat traits2qglFormat( const osg::GraphicsContext::Traits* traits );
static void qglFormat2traits( const QGLFormat& format, osg::GraphicsContext::Traits* traits );
static osg::GraphicsContext::Traits* createTraits( const QGLWidget* widget );
virtual bool setWindowRectangleImplementation( int x, int y, int width, int height );
virtual void getWindowRectangle( int& x, int& y, int& width, int& height );
virtual bool setWindowDecorationImplementation( bool windowDecoration );
virtual bool getWindowDecoration() const;
virtual void grabFocus();
virtual void grabFocusIfPointerInWindow();
virtual void raiseWindow();
virtual void setWindowName( const std::string& name );
virtual std::string getWindowName();
virtual void useCursor( bool cursorOn );
virtual void setCursor( MouseCursor cursor );
virtual bool valid() const;
virtual bool realizeImplementation();
virtual bool isRealizedImplementation() const;
virtual void closeImplementation();
virtual bool makeCurrentImplementation();
virtual bool releaseContextImplementation();
virtual void swapBuffersImplementation();
virtual void runOperations();
virtual void requestWarpPointer( float x, float y );
protected:
friend class GLWidget;
GLWidget* _widget;
bool _ownsWidget;
QCursor _currentCursor;
bool _realized;
};
}
#endif