forked from teamnwah/openmw-tes3coop
You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
1064 lines
34 KiB
C++
1064 lines
34 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.
|
|
*/
|
|
|
|
#include "GraphicsWindowQt"
|
|
|
|
#include <osg/DeleteHandler>
|
|
#include <osgViewer/ViewerBase>
|
|
#include <QInputEvent>
|
|
#include <QPointer>
|
|
|
|
#if (QT_VERSION>=QT_VERSION_CHECK(4, 6, 0))
|
|
# define USE_GESTURES
|
|
# include <QGestureEvent>
|
|
# include <QGesture>
|
|
#endif
|
|
|
|
using namespace osgQt;
|
|
|
|
|
|
class QtKeyboardMap
|
|
{
|
|
|
|
public:
|
|
QtKeyboardMap()
|
|
{
|
|
mKeyMap[Qt::Key_Escape ] = osgGA::GUIEventAdapter::KEY_Escape;
|
|
mKeyMap[Qt::Key_Delete ] = osgGA::GUIEventAdapter::KEY_Delete;
|
|
mKeyMap[Qt::Key_Home ] = osgGA::GUIEventAdapter::KEY_Home;
|
|
mKeyMap[Qt::Key_Enter ] = osgGA::GUIEventAdapter::KEY_KP_Enter;
|
|
mKeyMap[Qt::Key_End ] = osgGA::GUIEventAdapter::KEY_End;
|
|
mKeyMap[Qt::Key_Return ] = osgGA::GUIEventAdapter::KEY_Return;
|
|
mKeyMap[Qt::Key_PageUp ] = osgGA::GUIEventAdapter::KEY_Page_Up;
|
|
mKeyMap[Qt::Key_PageDown ] = osgGA::GUIEventAdapter::KEY_Page_Down;
|
|
mKeyMap[Qt::Key_Left ] = osgGA::GUIEventAdapter::KEY_Left;
|
|
mKeyMap[Qt::Key_Right ] = osgGA::GUIEventAdapter::KEY_Right;
|
|
mKeyMap[Qt::Key_Up ] = osgGA::GUIEventAdapter::KEY_Up;
|
|
mKeyMap[Qt::Key_Down ] = osgGA::GUIEventAdapter::KEY_Down;
|
|
mKeyMap[Qt::Key_Backspace ] = osgGA::GUIEventAdapter::KEY_BackSpace;
|
|
mKeyMap[Qt::Key_Tab ] = osgGA::GUIEventAdapter::KEY_Tab;
|
|
mKeyMap[Qt::Key_Space ] = osgGA::GUIEventAdapter::KEY_Space;
|
|
mKeyMap[Qt::Key_Delete ] = osgGA::GUIEventAdapter::KEY_Delete;
|
|
mKeyMap[Qt::Key_Alt ] = osgGA::GUIEventAdapter::KEY_Alt_L;
|
|
mKeyMap[Qt::Key_Shift ] = osgGA::GUIEventAdapter::KEY_Shift_L;
|
|
mKeyMap[Qt::Key_Control ] = osgGA::GUIEventAdapter::KEY_Control_L;
|
|
mKeyMap[Qt::Key_Meta ] = osgGA::GUIEventAdapter::KEY_Meta_L;
|
|
|
|
mKeyMap[Qt::Key_F1 ] = osgGA::GUIEventAdapter::KEY_F1;
|
|
mKeyMap[Qt::Key_F2 ] = osgGA::GUIEventAdapter::KEY_F2;
|
|
mKeyMap[Qt::Key_F3 ] = osgGA::GUIEventAdapter::KEY_F3;
|
|
mKeyMap[Qt::Key_F4 ] = osgGA::GUIEventAdapter::KEY_F4;
|
|
mKeyMap[Qt::Key_F5 ] = osgGA::GUIEventAdapter::KEY_F5;
|
|
mKeyMap[Qt::Key_F6 ] = osgGA::GUIEventAdapter::KEY_F6;
|
|
mKeyMap[Qt::Key_F7 ] = osgGA::GUIEventAdapter::KEY_F7;
|
|
mKeyMap[Qt::Key_F8 ] = osgGA::GUIEventAdapter::KEY_F8;
|
|
mKeyMap[Qt::Key_F9 ] = osgGA::GUIEventAdapter::KEY_F9;
|
|
mKeyMap[Qt::Key_F10 ] = osgGA::GUIEventAdapter::KEY_F10;
|
|
mKeyMap[Qt::Key_F11 ] = osgGA::GUIEventAdapter::KEY_F11;
|
|
mKeyMap[Qt::Key_F12 ] = osgGA::GUIEventAdapter::KEY_F12;
|
|
mKeyMap[Qt::Key_F13 ] = osgGA::GUIEventAdapter::KEY_F13;
|
|
mKeyMap[Qt::Key_F14 ] = osgGA::GUIEventAdapter::KEY_F14;
|
|
mKeyMap[Qt::Key_F15 ] = osgGA::GUIEventAdapter::KEY_F15;
|
|
mKeyMap[Qt::Key_F16 ] = osgGA::GUIEventAdapter::KEY_F16;
|
|
mKeyMap[Qt::Key_F17 ] = osgGA::GUIEventAdapter::KEY_F17;
|
|
mKeyMap[Qt::Key_F18 ] = osgGA::GUIEventAdapter::KEY_F18;
|
|
mKeyMap[Qt::Key_F19 ] = osgGA::GUIEventAdapter::KEY_F19;
|
|
mKeyMap[Qt::Key_F20 ] = osgGA::GUIEventAdapter::KEY_F20;
|
|
|
|
mKeyMap[Qt::Key_hyphen ] = '-';
|
|
mKeyMap[Qt::Key_Equal ] = '=';
|
|
|
|
mKeyMap[Qt::Key_division ] = osgGA::GUIEventAdapter::KEY_KP_Divide;
|
|
mKeyMap[Qt::Key_multiply ] = osgGA::GUIEventAdapter::KEY_KP_Multiply;
|
|
mKeyMap[Qt::Key_Minus ] = '-';
|
|
mKeyMap[Qt::Key_Plus ] = '+';
|
|
//mKeyMap[Qt::Key_H ] = osgGA::GUIEventAdapter::KEY_KP_Home;
|
|
//mKeyMap[Qt::Key_ ] = osgGA::GUIEventAdapter::KEY_KP_Up;
|
|
//mKeyMap[92 ] = osgGA::GUIEventAdapter::KEY_KP_Page_Up;
|
|
//mKeyMap[86 ] = osgGA::GUIEventAdapter::KEY_KP_Left;
|
|
//mKeyMap[87 ] = osgGA::GUIEventAdapter::KEY_KP_Begin;
|
|
//mKeyMap[88 ] = osgGA::GUIEventAdapter::KEY_KP_Right;
|
|
//mKeyMap[83 ] = osgGA::GUIEventAdapter::KEY_KP_End;
|
|
//mKeyMap[84 ] = osgGA::GUIEventAdapter::KEY_KP_Down;
|
|
//mKeyMap[85 ] = osgGA::GUIEventAdapter::KEY_KP_Page_Down;
|
|
mKeyMap[Qt::Key_Insert ] = osgGA::GUIEventAdapter::KEY_KP_Insert;
|
|
//mKeyMap[Qt::Key_Delete ] = osgGA::GUIEventAdapter::KEY_KP_Delete;
|
|
}
|
|
|
|
~QtKeyboardMap()
|
|
{
|
|
}
|
|
|
|
int remapKey(QKeyEvent* event)
|
|
{
|
|
KeyMap::iterator itr = mKeyMap.find(event->key());
|
|
if (itr == mKeyMap.end())
|
|
{
|
|
return int(*(event->text().toLatin1().data()));
|
|
}
|
|
else
|
|
return itr->second;
|
|
}
|
|
|
|
private:
|
|
typedef std::map<unsigned int, int> KeyMap;
|
|
KeyMap mKeyMap;
|
|
};
|
|
|
|
static QtKeyboardMap s_QtKeyboardMap;
|
|
|
|
|
|
/// The object responsible for the scene re-rendering.
|
|
class HeartBeat : public QObject {
|
|
public:
|
|
int _timerId;
|
|
osg::Timer _lastFrameStartTime;
|
|
osg::observer_ptr< osgViewer::ViewerBase > _viewer;
|
|
|
|
virtual ~HeartBeat();
|
|
|
|
void init( osgViewer::ViewerBase *viewer );
|
|
void stopTimer();
|
|
void timerEvent( QTimerEvent *event );
|
|
|
|
static HeartBeat* instance();
|
|
private:
|
|
HeartBeat();
|
|
|
|
static QPointer<HeartBeat> heartBeat;
|
|
};
|
|
|
|
QPointer<HeartBeat> HeartBeat::heartBeat;
|
|
|
|
#if (QT_VERSION < QT_VERSION_CHECK(5, 2, 0))
|
|
#define GETDEVICEPIXELRATIO() 1.0
|
|
#else
|
|
#define GETDEVICEPIXELRATIO() devicePixelRatio()
|
|
#endif
|
|
|
|
GLWidget::GLWidget( QWidget* parent, const QGLWidget* shareWidget, Qt::WindowFlags f, bool forwardKeyEvents )
|
|
: QGLWidget(parent, shareWidget, f),
|
|
_gw( NULL ),
|
|
_touchEventsEnabled( false ),
|
|
_forwardKeyEvents( forwardKeyEvents )
|
|
{
|
|
_devicePixelRatio = GETDEVICEPIXELRATIO();
|
|
}
|
|
|
|
GLWidget::GLWidget( QGLContext* context, QWidget* parent, const QGLWidget* shareWidget, Qt::WindowFlags f,
|
|
bool forwardKeyEvents )
|
|
: QGLWidget(context, parent, shareWidget, f),
|
|
_gw( NULL ),
|
|
_touchEventsEnabled( false ),
|
|
_forwardKeyEvents( forwardKeyEvents )
|
|
{
|
|
_devicePixelRatio = GETDEVICEPIXELRATIO();
|
|
}
|
|
|
|
GLWidget::GLWidget( const QGLFormat& format, QWidget* parent, const QGLWidget* shareWidget, Qt::WindowFlags f,
|
|
bool forwardKeyEvents )
|
|
: QGLWidget(format, parent, shareWidget, f),
|
|
_gw( NULL ),
|
|
_touchEventsEnabled( false ),
|
|
_forwardKeyEvents( forwardKeyEvents )
|
|
{
|
|
_devicePixelRatio = GETDEVICEPIXELRATIO();
|
|
}
|
|
|
|
GLWidget::~GLWidget()
|
|
{
|
|
// close GraphicsWindowQt and remove the reference to us
|
|
if( _gw )
|
|
{
|
|
_gw->close();
|
|
_gw->_widget = NULL;
|
|
_gw = NULL;
|
|
}
|
|
}
|
|
|
|
void GLWidget::setTouchEventsEnabled(bool e)
|
|
{
|
|
#ifdef USE_GESTURES
|
|
if (e==_touchEventsEnabled)
|
|
return;
|
|
|
|
_touchEventsEnabled = e;
|
|
|
|
if (_touchEventsEnabled)
|
|
{
|
|
grabGesture(Qt::PinchGesture);
|
|
}
|
|
else
|
|
{
|
|
ungrabGesture(Qt::PinchGesture);
|
|
}
|
|
#endif
|
|
}
|
|
|
|
void GLWidget::processDeferredEvents()
|
|
{
|
|
QQueue<QEvent::Type> deferredEventQueueCopy;
|
|
{
|
|
QMutexLocker lock(&_deferredEventQueueMutex);
|
|
deferredEventQueueCopy = _deferredEventQueue;
|
|
_eventCompressor.clear();
|
|
_deferredEventQueue.clear();
|
|
}
|
|
|
|
while (!deferredEventQueueCopy.isEmpty())
|
|
{
|
|
QEvent event(deferredEventQueueCopy.dequeue());
|
|
QGLWidget::event(&event);
|
|
}
|
|
}
|
|
|
|
bool GLWidget::event( QEvent* event )
|
|
{
|
|
#ifdef USE_GESTURES
|
|
if ( event->type()==QEvent::Gesture )
|
|
return gestureEvent(static_cast<QGestureEvent*>(event));
|
|
#endif
|
|
|
|
// QEvent::Hide
|
|
//
|
|
// workaround "Qt-workaround" that does glFinish before hiding the widget
|
|
// (the Qt workaround was seen at least in Qt 4.6.3 and 4.7.0)
|
|
//
|
|
// Qt makes the context current, performs glFinish, and releases the context.
|
|
// This makes the problem in OSG multithreaded environment as the context
|
|
// is active in another thread, thus it can not be made current for the purpose
|
|
// of glFinish in this thread.
|
|
|
|
// QEvent::ParentChange
|
|
//
|
|
// Reparenting GLWidget may create a new underlying window and a new GL context.
|
|
// Qt will then call doneCurrent on the GL context about to be deleted. The thread
|
|
// where old GL context was current has no longer current context to render to and
|
|
// we cannot make new GL context current in this thread.
|
|
|
|
// We workaround above problems by deferring execution of problematic event requests.
|
|
// These events has to be enqueue and executed later in a main GUI thread (GUI operations
|
|
// outside the main thread are not allowed) just before makeCurrent is called from the
|
|
// right thread. The good place for doing that is right after swap in a swapBuffersImplementation.
|
|
|
|
if (event->type() == QEvent::Hide)
|
|
{
|
|
// enqueue only the last of QEvent::Hide and QEvent::Show
|
|
enqueueDeferredEvent(QEvent::Hide, QEvent::Show);
|
|
return true;
|
|
}
|
|
else if (event->type() == QEvent::Show)
|
|
{
|
|
// enqueue only the last of QEvent::Show or QEvent::Hide
|
|
enqueueDeferredEvent(QEvent::Show, QEvent::Hide);
|
|
return true;
|
|
}
|
|
else if (event->type() == QEvent::ParentChange)
|
|
{
|
|
// enqueue only the last QEvent::ParentChange
|
|
enqueueDeferredEvent(QEvent::ParentChange);
|
|
return true;
|
|
}
|
|
|
|
// perform regular event handling
|
|
return QGLWidget::event( event );
|
|
}
|
|
|
|
void GLWidget::setKeyboardModifiers( QInputEvent* event )
|
|
{
|
|
int modkey = event->modifiers() & (Qt::ShiftModifier | Qt::ControlModifier | Qt::AltModifier);
|
|
unsigned int mask = 0;
|
|
if ( modkey & Qt::ShiftModifier ) mask |= osgGA::GUIEventAdapter::MODKEY_SHIFT;
|
|
if ( modkey & Qt::ControlModifier ) mask |= osgGA::GUIEventAdapter::MODKEY_CTRL;
|
|
if ( modkey & Qt::AltModifier ) mask |= osgGA::GUIEventAdapter::MODKEY_ALT;
|
|
_gw->getEventQueue()->getCurrentEventState()->setModKeyMask( mask );
|
|
}
|
|
|
|
void GLWidget::resizeEvent( QResizeEvent* event )
|
|
{
|
|
const QSize& size = event->size();
|
|
|
|
int scaled_width = static_cast<int>(size.width()*_devicePixelRatio);
|
|
int scaled_height = static_cast<int>(size.height()*_devicePixelRatio);
|
|
_gw->resized( x(), y(), scaled_width, scaled_height);
|
|
_gw->getEventQueue()->windowResize( x(), y(), scaled_width, scaled_height );
|
|
_gw->requestRedraw();
|
|
}
|
|
|
|
void GLWidget::moveEvent( QMoveEvent* event )
|
|
{
|
|
const QPoint& pos = event->pos();
|
|
int scaled_width = static_cast<int>(width()*_devicePixelRatio);
|
|
int scaled_height = static_cast<int>(height()*_devicePixelRatio);
|
|
_gw->resized( pos.x(), pos.y(), scaled_width, scaled_height );
|
|
_gw->getEventQueue()->windowResize( pos.x(), pos.y(), scaled_width, scaled_height );
|
|
}
|
|
|
|
void GLWidget::glDraw()
|
|
{
|
|
_gw->requestRedraw();
|
|
}
|
|
|
|
void GLWidget::keyPressEvent( QKeyEvent* event )
|
|
{
|
|
setKeyboardModifiers( event );
|
|
int value = s_QtKeyboardMap.remapKey( event );
|
|
_gw->getEventQueue()->keyPress( value );
|
|
|
|
// this passes the event to the regular Qt key event processing,
|
|
// among others, it closes popup windows on ESC and forwards the event to the parent widgets
|
|
if( _forwardKeyEvents )
|
|
inherited::keyPressEvent( event );
|
|
}
|
|
|
|
void GLWidget::keyReleaseEvent( QKeyEvent* event )
|
|
{
|
|
if( event->isAutoRepeat() )
|
|
{
|
|
event->ignore();
|
|
}
|
|
else
|
|
{
|
|
setKeyboardModifiers( event );
|
|
int value = s_QtKeyboardMap.remapKey( event );
|
|
_gw->getEventQueue()->keyRelease( value );
|
|
}
|
|
|
|
// this passes the event to the regular Qt key event processing,
|
|
// among others, it closes popup windows on ESC and forwards the event to the parent widgets
|
|
if( _forwardKeyEvents )
|
|
inherited::keyReleaseEvent( event );
|
|
}
|
|
|
|
void GLWidget::mousePressEvent( QMouseEvent* event )
|
|
{
|
|
int button = 0;
|
|
switch ( event->button() )
|
|
{
|
|
case Qt::LeftButton: button = 1; break;
|
|
case Qt::MidButton: button = 2; break;
|
|
case Qt::RightButton: button = 3; break;
|
|
case Qt::NoButton: button = 0; break;
|
|
default: button = 0; break;
|
|
}
|
|
setKeyboardModifiers( event );
|
|
_gw->getEventQueue()->mouseButtonPress( event->x()*_devicePixelRatio, event->y()*_devicePixelRatio, button );
|
|
}
|
|
|
|
void GLWidget::mouseReleaseEvent( QMouseEvent* event )
|
|
{
|
|
int button = 0;
|
|
switch ( event->button() )
|
|
{
|
|
case Qt::LeftButton: button = 1; break;
|
|
case Qt::MidButton: button = 2; break;
|
|
case Qt::RightButton: button = 3; break;
|
|
case Qt::NoButton: button = 0; break;
|
|
default: button = 0; break;
|
|
}
|
|
setKeyboardModifiers( event );
|
|
_gw->getEventQueue()->mouseButtonRelease( event->x()*_devicePixelRatio, event->y()*_devicePixelRatio, button );
|
|
}
|
|
|
|
void GLWidget::mouseDoubleClickEvent( QMouseEvent* event )
|
|
{
|
|
int button = 0;
|
|
switch ( event->button() )
|
|
{
|
|
case Qt::LeftButton: button = 1; break;
|
|
case Qt::MidButton: button = 2; break;
|
|
case Qt::RightButton: button = 3; break;
|
|
case Qt::NoButton: button = 0; break;
|
|
default: button = 0; break;
|
|
}
|
|
setKeyboardModifiers( event );
|
|
_gw->getEventQueue()->mouseDoubleButtonPress( event->x()*_devicePixelRatio, event->y()*_devicePixelRatio, button );
|
|
}
|
|
|
|
void GLWidget::mouseMoveEvent( QMouseEvent* event )
|
|
{
|
|
setKeyboardModifiers( event );
|
|
_gw->getEventQueue()->mouseMotion( event->x()*_devicePixelRatio, event->y()*_devicePixelRatio );
|
|
}
|
|
|
|
void GLWidget::wheelEvent( QWheelEvent* event )
|
|
{
|
|
setKeyboardModifiers( event );
|
|
_gw->getEventQueue()->mouseScroll(
|
|
event->orientation() == Qt::Vertical ?
|
|
(event->delta()>0 ? osgGA::GUIEventAdapter::SCROLL_UP : osgGA::GUIEventAdapter::SCROLL_DOWN) :
|
|
(event->delta()>0 ? osgGA::GUIEventAdapter::SCROLL_LEFT : osgGA::GUIEventAdapter::SCROLL_RIGHT) );
|
|
}
|
|
|
|
#ifdef USE_GESTURES
|
|
static osgGA::GUIEventAdapter::TouchPhase translateQtGestureState( Qt::GestureState state )
|
|
{
|
|
osgGA::GUIEventAdapter::TouchPhase touchPhase;
|
|
switch ( state )
|
|
{
|
|
case Qt::GestureStarted:
|
|
touchPhase = osgGA::GUIEventAdapter::TOUCH_BEGAN;
|
|
break;
|
|
case Qt::GestureUpdated:
|
|
touchPhase = osgGA::GUIEventAdapter::TOUCH_MOVED;
|
|
break;
|
|
case Qt::GestureFinished:
|
|
case Qt::GestureCanceled:
|
|
touchPhase = osgGA::GUIEventAdapter::TOUCH_ENDED;
|
|
break;
|
|
default:
|
|
touchPhase = osgGA::GUIEventAdapter::TOUCH_UNKNOWN;
|
|
};
|
|
|
|
return touchPhase;
|
|
}
|
|
#endif
|
|
|
|
|
|
bool GLWidget::gestureEvent( QGestureEvent* qevent )
|
|
{
|
|
#ifndef USE_GESTURES
|
|
return false;
|
|
#else
|
|
|
|
bool accept = false;
|
|
|
|
if ( QPinchGesture* pinch = static_cast<QPinchGesture *>(qevent->gesture(Qt::PinchGesture) ) )
|
|
{
|
|
const QPointF qcenterf = pinch->centerPoint();
|
|
const float angle = pinch->totalRotationAngle();
|
|
const float scale = pinch->totalScaleFactor();
|
|
|
|
const QPoint pinchCenterQt = mapFromGlobal(qcenterf.toPoint());
|
|
const osg::Vec2 pinchCenter( pinchCenterQt.x(), pinchCenterQt.y() );
|
|
|
|
//We don't have absolute positions of the two touches, only a scale and rotation
|
|
//Hence we create pseudo-coordinates which are reasonable, and centered around the
|
|
//real position
|
|
const float radius = (width()+height())/4;
|
|
const osg::Vec2 vector( scale*cos(angle)*radius, scale*sin(angle)*radius);
|
|
const osg::Vec2 p0 = pinchCenter+vector;
|
|
const osg::Vec2 p1 = pinchCenter-vector;
|
|
|
|
osg::ref_ptr<osgGA::GUIEventAdapter> event = 0;
|
|
const osgGA::GUIEventAdapter::TouchPhase touchPhase = translateQtGestureState( pinch->state() );
|
|
if ( touchPhase==osgGA::GUIEventAdapter::TOUCH_BEGAN )
|
|
{
|
|
event = _gw->getEventQueue()->touchBegan(0 , touchPhase, p0[0], p0[1] );
|
|
}
|
|
else if ( touchPhase==osgGA::GUIEventAdapter::TOUCH_MOVED )
|
|
{
|
|
event = _gw->getEventQueue()->touchMoved( 0, touchPhase, p0[0], p0[1] );
|
|
}
|
|
else
|
|
{
|
|
event = _gw->getEventQueue()->touchEnded( 0, touchPhase, p0[0], p0[1], 1 );
|
|
}
|
|
|
|
if ( event )
|
|
{
|
|
event->addTouchPoint( 1, touchPhase, p1[0], p1[1] );
|
|
accept = true;
|
|
}
|
|
}
|
|
|
|
if ( accept )
|
|
qevent->accept();
|
|
|
|
return accept;
|
|
#endif
|
|
}
|
|
|
|
|
|
|
|
GraphicsWindowQt::GraphicsWindowQt( osg::GraphicsContext::Traits* traits, QWidget* parent, const QGLWidget* shareWidget, Qt::WindowFlags f )
|
|
: _realized(false)
|
|
{
|
|
|
|
_widget = NULL;
|
|
_traits = traits;
|
|
init( parent, shareWidget, f );
|
|
}
|
|
|
|
GraphicsWindowQt::GraphicsWindowQt( GLWidget* widget )
|
|
: _realized(false)
|
|
{
|
|
_widget = widget;
|
|
_traits = _widget ? createTraits( _widget ) : new osg::GraphicsContext::Traits;
|
|
init( NULL, NULL, 0 );
|
|
}
|
|
|
|
GraphicsWindowQt::~GraphicsWindowQt()
|
|
{
|
|
close();
|
|
|
|
// remove reference from GLWidget
|
|
if ( _widget )
|
|
_widget->_gw = NULL;
|
|
}
|
|
|
|
bool GraphicsWindowQt::init( QWidget* parent, const QGLWidget* shareWidget, Qt::WindowFlags f )
|
|
{
|
|
// update _widget and parent by WindowData
|
|
WindowData* windowData = _traits.get() ? dynamic_cast<WindowData*>(_traits->inheritedWindowData.get()) : 0;
|
|
if ( !_widget )
|
|
_widget = windowData ? windowData->_widget : NULL;
|
|
if ( !parent )
|
|
parent = windowData ? windowData->_parent : NULL;
|
|
|
|
// create widget if it does not exist
|
|
_ownsWidget = _widget == NULL;
|
|
if ( !_widget )
|
|
{
|
|
// shareWidget
|
|
if ( !shareWidget ) {
|
|
GraphicsWindowQt* sharedContextQt = dynamic_cast<GraphicsWindowQt*>(_traits->sharedContext.get());
|
|
if ( sharedContextQt )
|
|
shareWidget = sharedContextQt->getGLWidget();
|
|
}
|
|
|
|
// WindowFlags
|
|
Qt::WindowFlags flags = f | Qt::Window | Qt::CustomizeWindowHint;
|
|
if ( _traits->windowDecoration )
|
|
flags |= Qt::WindowTitleHint | Qt::WindowMinMaxButtonsHint | Qt::WindowSystemMenuHint
|
|
#if (QT_VERSION_CHECK(4, 5, 0) <= QT_VERSION)
|
|
| Qt::WindowCloseButtonHint
|
|
#endif
|
|
;
|
|
|
|
// create widget
|
|
_widget = new GLWidget( traits2qglFormat( _traits.get() ), parent, shareWidget, flags );
|
|
}
|
|
|
|
// set widget name and position
|
|
// (do not set it when we inherited the widget)
|
|
if ( _ownsWidget )
|
|
{
|
|
_widget->setWindowTitle( _traits->windowName.c_str() );
|
|
_widget->move( _traits->x, _traits->y );
|
|
if ( !_traits->supportsResize ) _widget->setFixedSize( _traits->width, _traits->height );
|
|
else _widget->resize( _traits->width, _traits->height );
|
|
}
|
|
|
|
// initialize widget properties
|
|
_widget->setAutoBufferSwap( false );
|
|
_widget->setMouseTracking( true );
|
|
_widget->setFocusPolicy( Qt::WheelFocus );
|
|
_widget->setGraphicsWindow( this );
|
|
useCursor( _traits->useCursor );
|
|
|
|
// initialize State
|
|
setState( new osg::State );
|
|
getState()->setGraphicsContext(this);
|
|
|
|
// initialize contextID
|
|
if ( _traits.valid() && _traits->sharedContext.valid() )
|
|
{
|
|
getState()->setContextID( _traits->sharedContext->getState()->getContextID() );
|
|
incrementContextIDUsageCount( getState()->getContextID() );
|
|
}
|
|
else
|
|
{
|
|
getState()->setContextID( osg::GraphicsContext::createNewContextID() );
|
|
}
|
|
|
|
// make sure the event queue has the correct window rectangle size and input range
|
|
getEventQueue()->syncWindowRectangleWithGraphicsContext();
|
|
|
|
return true;
|
|
}
|
|
|
|
QGLFormat GraphicsWindowQt::traits2qglFormat( const osg::GraphicsContext::Traits* traits )
|
|
{
|
|
QGLFormat format( QGLFormat::defaultFormat() );
|
|
|
|
format.setAlphaBufferSize( traits->alpha );
|
|
format.setRedBufferSize( traits->red );
|
|
format.setGreenBufferSize( traits->green );
|
|
format.setBlueBufferSize( traits->blue );
|
|
format.setDepthBufferSize( traits->depth );
|
|
format.setStencilBufferSize( traits->stencil );
|
|
format.setSampleBuffers( traits->sampleBuffers );
|
|
format.setSamples( traits->samples );
|
|
|
|
format.setAlpha( traits->alpha>0 );
|
|
format.setDepth( traits->depth>0 );
|
|
format.setStencil( traits->stencil>0 );
|
|
format.setDoubleBuffer( traits->doubleBuffer );
|
|
format.setSwapInterval( traits->vsync ? 1 : 0 );
|
|
format.setStereo( traits->quadBufferStereo ? 1 : 0 );
|
|
|
|
return format;
|
|
}
|
|
|
|
void GraphicsWindowQt::qglFormat2traits( const QGLFormat& format, osg::GraphicsContext::Traits* traits )
|
|
{
|
|
traits->red = format.redBufferSize();
|
|
traits->green = format.greenBufferSize();
|
|
traits->blue = format.blueBufferSize();
|
|
traits->alpha = format.alpha() ? format.alphaBufferSize() : 0;
|
|
traits->depth = format.depth() ? format.depthBufferSize() : 0;
|
|
traits->stencil = format.stencil() ? format.stencilBufferSize() : 0;
|
|
|
|
traits->sampleBuffers = format.sampleBuffers() ? 1 : 0;
|
|
traits->samples = format.samples();
|
|
|
|
traits->quadBufferStereo = format.stereo();
|
|
traits->doubleBuffer = format.doubleBuffer();
|
|
|
|
traits->vsync = format.swapInterval() >= 1;
|
|
}
|
|
|
|
osg::GraphicsContext::Traits* GraphicsWindowQt::createTraits( const QGLWidget* widget )
|
|
{
|
|
osg::GraphicsContext::Traits *traits = new osg::GraphicsContext::Traits;
|
|
|
|
qglFormat2traits( widget->format(), traits );
|
|
|
|
QRect r = widget->geometry();
|
|
traits->x = r.x();
|
|
traits->y = r.y();
|
|
traits->width = r.width();
|
|
traits->height = r.height();
|
|
|
|
traits->windowName = widget->windowTitle().toLocal8Bit().data();
|
|
Qt::WindowFlags f = widget->windowFlags();
|
|
traits->windowDecoration = ( f & Qt::WindowTitleHint ) &&
|
|
( f & Qt::WindowMinMaxButtonsHint ) &&
|
|
( f & Qt::WindowSystemMenuHint );
|
|
QSizePolicy sp = widget->sizePolicy();
|
|
traits->supportsResize = sp.horizontalPolicy() != QSizePolicy::Fixed ||
|
|
sp.verticalPolicy() != QSizePolicy::Fixed;
|
|
|
|
return traits;
|
|
}
|
|
|
|
bool GraphicsWindowQt::setWindowRectangleImplementation( int x, int y, int width, int height )
|
|
{
|
|
if ( _widget == NULL )
|
|
return false;
|
|
|
|
_widget->setGeometry( x, y, width, height );
|
|
return true;
|
|
}
|
|
|
|
void GraphicsWindowQt::getWindowRectangle( int& x, int& y, int& width, int& height )
|
|
{
|
|
if ( _widget )
|
|
{
|
|
const QRect& geom = _widget->geometry();
|
|
x = geom.x();
|
|
y = geom.y();
|
|
width = geom.width();
|
|
height = geom.height();
|
|
}
|
|
}
|
|
|
|
bool GraphicsWindowQt::setWindowDecorationImplementation( bool windowDecoration )
|
|
{
|
|
Qt::WindowFlags flags = Qt::Window|Qt::CustomizeWindowHint;//|Qt::WindowStaysOnTopHint;
|
|
if ( windowDecoration )
|
|
flags |= Qt::WindowTitleHint|Qt::WindowMinMaxButtonsHint|Qt::WindowSystemMenuHint;
|
|
_traits->windowDecoration = windowDecoration;
|
|
|
|
if ( _widget )
|
|
{
|
|
_widget->setWindowFlags( flags );
|
|
|
|
return true;
|
|
}
|
|
|
|
return false;
|
|
}
|
|
|
|
bool GraphicsWindowQt::getWindowDecoration() const
|
|
{
|
|
return _traits->windowDecoration;
|
|
}
|
|
|
|
void GraphicsWindowQt::grabFocus()
|
|
{
|
|
if ( _widget )
|
|
_widget->setFocus( Qt::ActiveWindowFocusReason );
|
|
}
|
|
|
|
void GraphicsWindowQt::grabFocusIfPointerInWindow()
|
|
{
|
|
if ( _widget->underMouse() )
|
|
_widget->setFocus( Qt::ActiveWindowFocusReason );
|
|
}
|
|
|
|
void GraphicsWindowQt::raiseWindow()
|
|
{
|
|
if ( _widget )
|
|
_widget->raise();
|
|
}
|
|
|
|
void GraphicsWindowQt::setWindowName( const std::string& name )
|
|
{
|
|
if ( _widget )
|
|
_widget->setWindowTitle( name.c_str() );
|
|
}
|
|
|
|
std::string GraphicsWindowQt::getWindowName()
|
|
{
|
|
return _widget ? _widget->windowTitle().toStdString() : "";
|
|
}
|
|
|
|
void GraphicsWindowQt::useCursor( bool cursorOn )
|
|
{
|
|
if ( _widget )
|
|
{
|
|
_traits->useCursor = cursorOn;
|
|
if ( !cursorOn ) _widget->setCursor( Qt::BlankCursor );
|
|
else _widget->setCursor( _currentCursor );
|
|
}
|
|
}
|
|
|
|
void GraphicsWindowQt::setCursor( MouseCursor cursor )
|
|
{
|
|
if ( cursor==InheritCursor && _widget )
|
|
{
|
|
_widget->unsetCursor();
|
|
}
|
|
|
|
switch ( cursor )
|
|
{
|
|
case NoCursor: _currentCursor = Qt::BlankCursor; break;
|
|
case RightArrowCursor: case LeftArrowCursor: _currentCursor = Qt::ArrowCursor; break;
|
|
case InfoCursor: _currentCursor = Qt::SizeAllCursor; break;
|
|
case DestroyCursor: _currentCursor = Qt::ForbiddenCursor; break;
|
|
case HelpCursor: _currentCursor = Qt::WhatsThisCursor; break;
|
|
case CycleCursor: _currentCursor = Qt::ForbiddenCursor; break;
|
|
case SprayCursor: _currentCursor = Qt::SizeAllCursor; break;
|
|
case WaitCursor: _currentCursor = Qt::WaitCursor; break;
|
|
case TextCursor: _currentCursor = Qt::IBeamCursor; break;
|
|
case CrosshairCursor: _currentCursor = Qt::CrossCursor; break;
|
|
case HandCursor: _currentCursor = Qt::OpenHandCursor; break;
|
|
case UpDownCursor: _currentCursor = Qt::SizeVerCursor; break;
|
|
case LeftRightCursor: _currentCursor = Qt::SizeHorCursor; break;
|
|
case TopSideCursor: case BottomSideCursor: _currentCursor = Qt::UpArrowCursor; break;
|
|
case LeftSideCursor: case RightSideCursor: _currentCursor = Qt::SizeHorCursor; break;
|
|
case TopLeftCorner: _currentCursor = Qt::SizeBDiagCursor; break;
|
|
case TopRightCorner: _currentCursor = Qt::SizeFDiagCursor; break;
|
|
case BottomRightCorner: _currentCursor = Qt::SizeBDiagCursor; break;
|
|
case BottomLeftCorner: _currentCursor = Qt::SizeFDiagCursor; break;
|
|
default: break;
|
|
};
|
|
if ( _widget ) _widget->setCursor( _currentCursor );
|
|
}
|
|
|
|
bool GraphicsWindowQt::valid() const
|
|
{
|
|
return _widget && _widget->isValid();
|
|
}
|
|
|
|
bool GraphicsWindowQt::realizeImplementation()
|
|
{
|
|
// save the current context
|
|
// note: this will save only Qt-based contexts
|
|
const QGLContext *savedContext = QGLContext::currentContext();
|
|
|
|
// initialize GL context for the widget
|
|
if ( !valid() )
|
|
_widget->glInit();
|
|
|
|
// make current
|
|
_realized = true;
|
|
bool result = makeCurrent();
|
|
_realized = false;
|
|
|
|
// fail if we do not have current context
|
|
if ( !result )
|
|
{
|
|
if ( savedContext )
|
|
const_cast< QGLContext* >( savedContext )->makeCurrent();
|
|
|
|
OSG_WARN << "Window realize: Can make context current." << std::endl;
|
|
return false;
|
|
}
|
|
|
|
_realized = true;
|
|
|
|
// make sure the event queue has the correct window rectangle size and input range
|
|
getEventQueue()->syncWindowRectangleWithGraphicsContext();
|
|
|
|
// make this window's context not current
|
|
// note: this must be done as we will probably make the context current from another thread
|
|
// and it is not allowed to have one context current in two threads
|
|
if( !releaseContext() )
|
|
OSG_WARN << "Window realize: Can not release context." << std::endl;
|
|
|
|
// restore previous context
|
|
if ( savedContext )
|
|
const_cast< QGLContext* >( savedContext )->makeCurrent();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool GraphicsWindowQt::isRealizedImplementation() const
|
|
{
|
|
return _realized;
|
|
}
|
|
|
|
void GraphicsWindowQt::closeImplementation()
|
|
{
|
|
if ( _widget )
|
|
_widget->close();
|
|
_realized = false;
|
|
}
|
|
|
|
void GraphicsWindowQt::runOperations()
|
|
{
|
|
// While in graphics thread this is last chance to do something useful before
|
|
// graphics thread will execute its operations.
|
|
if (_widget->getNumDeferredEvents() > 0)
|
|
_widget->processDeferredEvents();
|
|
|
|
if (QGLContext::currentContext() != _widget->context())
|
|
_widget->makeCurrent();
|
|
|
|
GraphicsWindow::runOperations();
|
|
}
|
|
|
|
bool GraphicsWindowQt::makeCurrentImplementation()
|
|
{
|
|
if (_widget->getNumDeferredEvents() > 0)
|
|
_widget->processDeferredEvents();
|
|
|
|
_widget->makeCurrent();
|
|
|
|
return true;
|
|
}
|
|
|
|
bool GraphicsWindowQt::releaseContextImplementation()
|
|
{
|
|
_widget->doneCurrent();
|
|
return true;
|
|
}
|
|
|
|
void GraphicsWindowQt::swapBuffersImplementation()
|
|
{
|
|
_widget->swapBuffers();
|
|
|
|
// FIXME: the processDeferredEvents should really be executed in a GUI (main) thread context but
|
|
// I couln't find any reliable way to do this. For now, lets hope non of *GUI thread only operations* will
|
|
// be executed in a QGLWidget::event handler. On the other hand, calling GUI only operations in the
|
|
// QGLWidget event handler is an indication of a Qt bug.
|
|
if (_widget->getNumDeferredEvents() > 0)
|
|
_widget->processDeferredEvents();
|
|
|
|
// We need to call makeCurrent here to restore our previously current context
|
|
// which may be changed by the processDeferredEvents function.
|
|
if (QGLContext::currentContext() != _widget->context())
|
|
_widget->makeCurrent();
|
|
}
|
|
|
|
void GraphicsWindowQt::requestWarpPointer( float x, float y )
|
|
{
|
|
if ( _widget )
|
|
QCursor::setPos( _widget->mapToGlobal(QPoint((int)x,(int)y)) );
|
|
}
|
|
|
|
|
|
class QtWindowingSystem : public osg::GraphicsContext::WindowingSystemInterface
|
|
{
|
|
public:
|
|
|
|
QtWindowingSystem()
|
|
{
|
|
OSG_INFO << "QtWindowingSystemInterface()" << std::endl;
|
|
}
|
|
|
|
~QtWindowingSystem()
|
|
{
|
|
if (osg::Referenced::getDeleteHandler())
|
|
{
|
|
osg::Referenced::getDeleteHandler()->setNumFramesToRetainObjects(0);
|
|
osg::Referenced::getDeleteHandler()->flushAll();
|
|
}
|
|
}
|
|
|
|
// Access the Qt windowing system through this singleton class.
|
|
static QtWindowingSystem* getInterface()
|
|
{
|
|
static QtWindowingSystem* qtInterface = new QtWindowingSystem;
|
|
return qtInterface;
|
|
}
|
|
|
|
// Return the number of screens present in the system
|
|
virtual unsigned int getNumScreens( const osg::GraphicsContext::ScreenIdentifier& /*si*/ )
|
|
{
|
|
OSG_WARN << "osgQt: getNumScreens() not implemented yet." << std::endl;
|
|
return 0;
|
|
}
|
|
|
|
// Return the resolution of specified screen
|
|
// (0,0) is returned if screen is unknown
|
|
virtual void getScreenSettings( const osg::GraphicsContext::ScreenIdentifier& /*si*/, osg::GraphicsContext::ScreenSettings & /*resolution*/ )
|
|
{
|
|
OSG_WARN << "osgQt: getScreenSettings() not implemented yet." << std::endl;
|
|
}
|
|
|
|
// Set the resolution for given screen
|
|
virtual bool setScreenSettings( const osg::GraphicsContext::ScreenIdentifier& /*si*/, const osg::GraphicsContext::ScreenSettings & /*resolution*/ )
|
|
{
|
|
OSG_WARN << "osgQt: setScreenSettings() not implemented yet." << std::endl;
|
|
return false;
|
|
}
|
|
|
|
// Enumerates available resolutions
|
|
virtual void enumerateScreenSettings( const osg::GraphicsContext::ScreenIdentifier& /*screenIdentifier*/, osg::GraphicsContext::ScreenSettingsList & /*resolution*/ )
|
|
{
|
|
OSG_WARN << "osgQt: enumerateScreenSettings() not implemented yet." << std::endl;
|
|
}
|
|
|
|
// Create a graphics context with given traits
|
|
virtual osg::GraphicsContext* createGraphicsContext( osg::GraphicsContext::Traits* traits )
|
|
{
|
|
if (traits->pbuffer)
|
|
{
|
|
OSG_WARN << "osgQt: createGraphicsContext - pbuffer not implemented yet." << std::endl;
|
|
return NULL;
|
|
}
|
|
else
|
|
{
|
|
osg::ref_ptr< GraphicsWindowQt > window = new GraphicsWindowQt( traits );
|
|
if (window->valid()) return window.release();
|
|
else return NULL;
|
|
}
|
|
}
|
|
|
|
private:
|
|
|
|
// No implementation for these
|
|
QtWindowingSystem( const QtWindowingSystem& );
|
|
QtWindowingSystem& operator=( const QtWindowingSystem& );
|
|
};
|
|
|
|
|
|
// declare C entry point for static compilation.
|
|
extern "C" void graphicswindow_Qt(void)
|
|
{
|
|
osg::GraphicsContext::setWindowingSystemInterface(QtWindowingSystem::getInterface());
|
|
}
|
|
|
|
|
|
void osgQt::initQtWindowingSystem()
|
|
{
|
|
graphicswindow_Qt();
|
|
}
|
|
|
|
|
|
|
|
void osgQt::setViewer( osgViewer::ViewerBase *viewer )
|
|
{
|
|
HeartBeat::instance()->init( viewer );
|
|
}
|
|
|
|
|
|
/// Constructor. Must be called from main thread.
|
|
HeartBeat::HeartBeat() : _timerId( 0 )
|
|
{
|
|
}
|
|
|
|
|
|
/// Destructor. Must be called from main thread.
|
|
HeartBeat::~HeartBeat()
|
|
{
|
|
stopTimer();
|
|
}
|
|
|
|
HeartBeat* HeartBeat::instance()
|
|
{
|
|
if (!heartBeat)
|
|
{
|
|
heartBeat = new HeartBeat();
|
|
}
|
|
return heartBeat;
|
|
}
|
|
|
|
void HeartBeat::stopTimer()
|
|
{
|
|
if ( _timerId != 0 )
|
|
{
|
|
killTimer( _timerId );
|
|
_timerId = 0;
|
|
}
|
|
}
|
|
|
|
|
|
/// Initializes the loop for viewer. Must be called from main thread.
|
|
void HeartBeat::init( osgViewer::ViewerBase *viewer )
|
|
{
|
|
if( _viewer == viewer )
|
|
return;
|
|
|
|
stopTimer();
|
|
|
|
_viewer = viewer;
|
|
|
|
if( viewer )
|
|
{
|
|
_timerId = startTimer( 0 );
|
|
_lastFrameStartTime.setStartTick( 0 );
|
|
}
|
|
}
|
|
|
|
|
|
void HeartBeat::timerEvent( QTimerEvent */*event*/ )
|
|
{
|
|
osg::ref_ptr< osgViewer::ViewerBase > viewer;
|
|
if( !_viewer.lock( viewer ) )
|
|
{
|
|
// viewer has been deleted -> stop timer
|
|
stopTimer();
|
|
return;
|
|
}
|
|
|
|
// limit the frame rate
|
|
if( viewer->getRunMaxFrameRate() > 0.0)
|
|
{
|
|
double dt = _lastFrameStartTime.time_s();
|
|
double minFrameTime = 1.0 / viewer->getRunMaxFrameRate();
|
|
if (dt < minFrameTime)
|
|
OpenThreads::Thread::microSleep(static_cast<unsigned int>(1000000.0*(minFrameTime-dt)));
|
|
}
|
|
else
|
|
{
|
|
// avoid excessive CPU loading when no frame is required in ON_DEMAND mode
|
|
if( viewer->getRunFrameScheme() == osgViewer::ViewerBase::ON_DEMAND )
|
|
{
|
|
double dt = _lastFrameStartTime.time_s();
|
|
if (dt < 0.01)
|
|
OpenThreads::Thread::microSleep(static_cast<unsigned int>(1000000.0*(0.01-dt)));
|
|
}
|
|
|
|
// record start frame time
|
|
_lastFrameStartTime.setStartTick();
|
|
|
|
// make frame
|
|
if( viewer->getRunFrameScheme() == osgViewer::ViewerBase::ON_DEMAND )
|
|
{
|
|
if( viewer->checkNeedToDoFrame() )
|
|
{
|
|
viewer->frame();
|
|
}
|
|
}
|
|
else
|
|
{
|
|
viewer->frame();
|
|
}
|
|
}
|
|
}
|