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OpenSceneGraph/src/osgGA/EventQueue.cpp

551 lines
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/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2006 Robert Osfield
*
* 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 <osgGA/EventQueue>
#include <osg/Notify>
using namespace osgGA;
EventQueue::EventQueue(GUIEventAdapter::MouseYOrientation mouseYOrientation)
{
_useFixedMouseInputRange = false;
_startTick = osg::Timer::instance()->getStartTick();
_accumulateEventState = new GUIEventAdapter();
_accumulateEventState->setMouseYOrientation(mouseYOrientation);
_firstTouchEmulatesMouse = true;
}
EventQueue::~EventQueue()
{
}
void EventQueue::clear()
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_eventQueueMutex);
_eventQueue.clear();
}
void EventQueue::setEvents(Events& events)
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_eventQueueMutex);
_eventQueue = events;
}
void EventQueue::appendEvents(Events& events)
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_eventQueueMutex);
_eventQueue.insert(_eventQueue.end(), events.begin(), events.end());
}
void EventQueue::addEvent(Event* event)
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_eventQueueMutex);
_eventQueue.push_back(event);
}
bool EventQueue::takeEvents(Events& events)
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_eventQueueMutex);
if (!_eventQueue.empty())
{
events.splice(events.end(), _eventQueue);
return true;
}
else
{
return false;
}
}
bool EventQueue::takeEvents(Events& events, double cutOffTime)
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_eventQueueMutex);
if (!_eventQueue.empty())
{
// find last event if queue that came in before the cuttof.
Events::reverse_iterator ritr = _eventQueue.rbegin();
for(; ritr != _eventQueue.rend() && ((*ritr)->getTime() > cutOffTime); ++ritr) {}
if (ritr==_eventQueue.rend()) return false;
for(Events::iterator itr = _eventQueue.begin();
itr != ritr.base();
++itr)
{
events.push_back(*itr);
}
// make sure that the events are in ascending time order, and any out of out events
// have their time reset to the next valid time after them in the events list.
double previousTime = cutOffTime;
for(Events::reverse_iterator itr = events.rbegin();
itr != events.rend();
++itr)
{
if ((*itr)->getTime() > previousTime)
{
OSG_INFO<<"Reset event time from "<<(*itr)->getTime()<<" to "<<previousTime<<std::endl;
(*itr)->setTime(previousTime);
}
else
{
previousTime = (*itr)->getTime();
}
}
// remove the events we are taking from the original event queue.
_eventQueue.erase(_eventQueue.begin(), ritr.base());
return true;
}
else
{
return false;
}
}
bool EventQueue::copyEvents(Events& events) const
{
OpenThreads::ScopedLock<OpenThreads::Mutex> lock(_eventQueueMutex);
if (!_eventQueue.empty())
{
events.insert(events.end(),_eventQueue.begin(),_eventQueue.end());
return true;
}
else
{
return false;
}
}
void EventQueue::syncWindowRectangleWithGraphicsContext()
{
const osg::GraphicsContext::Traits* traits = (getGraphicsContext()!=0) ? getGraphicsContext()->getTraits() : 0;
if (traits) _accumulateEventState->setWindowRectangle(traits->x, traits->y, traits->width, traits->height, !_useFixedMouseInputRange);
}
osgGA::GUIEventAdapter* EventQueue::windowResize(int x, int y, int width, int height, double time)
{
_accumulateEventState->setWindowRectangle(x, y, width, height, !_useFixedMouseInputRange);
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::RESIZE);
event->setTime(time);
addEvent(event);
return event;
}
osgGA::GUIEventAdapter* EventQueue::penPressure(float pressure, double time)
{
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::PEN_PRESSURE);
event->setPenPressure(pressure);
event->setTime(time);
addEvent(event);
return event;
}
osgGA::GUIEventAdapter* EventQueue::penOrientation(float tiltX, float tiltY, float rotation, double time)
{
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::PEN_ORIENTATION);
event->setPenTiltX(tiltX);
event->setPenTiltY(tiltY);
event->setPenRotation(rotation);
event->setTime(time);
addEvent(event);
return event;
}
osgGA::GUIEventAdapter* EventQueue::penProximity(GUIEventAdapter::TabletPointerType pt, bool isEntering, double time)
{
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType( (isEntering) ? GUIEventAdapter::PEN_PROXIMITY_ENTER : GUIEventAdapter::PEN_PROXIMITY_LEAVE);
event->setTabletPointerType(pt);
event->setTime(time);
addEvent(event);
return event;
}
osgGA::GUIEventAdapter* EventQueue::mouseScroll(GUIEventAdapter::ScrollingMotion sm, double time)
{
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::SCROLL);
event->setScrollingMotion(sm);
event->setTime(time);
addEvent(event);
return event;
}
osgGA::GUIEventAdapter* EventQueue::mouseScroll2D(float x, float y, double time)
{
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::SCROLL);
event->setScrollingMotionDelta(x,y);
event->setTime(time);
addEvent(event);
return event;
}
void EventQueue::mouseWarped(float x, float y)
{
_accumulateEventState->setX(x);
_accumulateEventState->setY(y);
}
osgGA::GUIEventAdapter* EventQueue::mouseMotion(float x, float y, double time)
{
_accumulateEventState->setX(x);
_accumulateEventState->setY(y);
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(event->getButtonMask() ? GUIEventAdapter::DRAG : GUIEventAdapter::MOVE);
event->setTime(time);
addEvent(event);
return event;
}
osgGA::GUIEventAdapter* EventQueue::mouseButtonPress(float x, float y, unsigned int button, double time)
{
_accumulateEventState->setX(x);
_accumulateEventState->setY(y);
switch(button)
{
case(1):
_accumulateEventState->setButtonMask(GUIEventAdapter::LEFT_MOUSE_BUTTON | _accumulateEventState->getButtonMask());
break;
case(2):
_accumulateEventState->setButtonMask(GUIEventAdapter::MIDDLE_MOUSE_BUTTON | _accumulateEventState->getButtonMask());
break;
case(3):
_accumulateEventState->setButtonMask(GUIEventAdapter::RIGHT_MOUSE_BUTTON | _accumulateEventState->getButtonMask());
break;
}
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::PUSH);
event->setTime(time);
switch(button)
{
case(1):
event->setButton(GUIEventAdapter::LEFT_MOUSE_BUTTON);
break;
case(2):
event->setButton(GUIEventAdapter::MIDDLE_MOUSE_BUTTON);
break;
case(3):
event->setButton(GUIEventAdapter::RIGHT_MOUSE_BUTTON);
break;
}
addEvent(event);
return event;
}
osgGA::GUIEventAdapter* EventQueue::mouseDoubleButtonPress(float x, float y, unsigned int button, double time)
{
_accumulateEventState->setX(x);
_accumulateEventState->setY(y);
switch(button)
{
case(1):
_accumulateEventState->setButtonMask(GUIEventAdapter::LEFT_MOUSE_BUTTON | _accumulateEventState->getButtonMask());
break;
case(2):
_accumulateEventState->setButtonMask(GUIEventAdapter::MIDDLE_MOUSE_BUTTON | _accumulateEventState->getButtonMask());
break;
case(3):
_accumulateEventState->setButtonMask(GUIEventAdapter::RIGHT_MOUSE_BUTTON | _accumulateEventState->getButtonMask());
break;
}
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::DOUBLECLICK);
event->setTime(time);
switch(button)
{
case(1):
event->setButton(GUIEventAdapter::LEFT_MOUSE_BUTTON);
break;
case(2):
event->setButton(GUIEventAdapter::MIDDLE_MOUSE_BUTTON);
break;
case(3):
event->setButton(GUIEventAdapter::RIGHT_MOUSE_BUTTON);
break;
}
addEvent(event);
return event;
}
osgGA::GUIEventAdapter* EventQueue::mouseButtonRelease(float x, float y, unsigned int button, double time)
{
_accumulateEventState->setX(x);
_accumulateEventState->setY(y);
switch(button)
{
case(1):
_accumulateEventState->setButtonMask(~GUIEventAdapter::LEFT_MOUSE_BUTTON & _accumulateEventState->getButtonMask());
break;
case(2):
_accumulateEventState->setButtonMask(~GUIEventAdapter::MIDDLE_MOUSE_BUTTON & _accumulateEventState->getButtonMask());
break;
case(3):
_accumulateEventState->setButtonMask(~GUIEventAdapter::RIGHT_MOUSE_BUTTON & _accumulateEventState->getButtonMask());
break;
}
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::RELEASE);
event->setTime(time);
switch(button)
{
case(1):
event->setButton(GUIEventAdapter::LEFT_MOUSE_BUTTON);
break;
case(2):
event->setButton(GUIEventAdapter::MIDDLE_MOUSE_BUTTON);
break;
case(3):
event->setButton(GUIEventAdapter::RIGHT_MOUSE_BUTTON);
break;
}
addEvent(event);
return event;
}
osgGA::GUIEventAdapter* EventQueue::keyPress(int key, double time, int unmodifiedKey)
{
switch(unmodifiedKey)
{
case(GUIEventAdapter::KEY_Shift_L): _accumulateEventState->setModKeyMask(GUIEventAdapter::MODKEY_LEFT_SHIFT | _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Shift_R): _accumulateEventState->setModKeyMask(GUIEventAdapter::MODKEY_RIGHT_SHIFT | _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Control_L): _accumulateEventState->setModKeyMask(GUIEventAdapter::MODKEY_LEFT_CTRL | _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Control_R): _accumulateEventState->setModKeyMask(GUIEventAdapter::MODKEY_RIGHT_CTRL | _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Meta_L): _accumulateEventState->setModKeyMask(GUIEventAdapter::MODKEY_LEFT_META | _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Meta_R): _accumulateEventState->setModKeyMask(GUIEventAdapter::MODKEY_RIGHT_META | _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Alt_L): _accumulateEventState->setModKeyMask(GUIEventAdapter::MODKEY_LEFT_ALT | _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Alt_R): _accumulateEventState->setModKeyMask(GUIEventAdapter::MODKEY_RIGHT_ALT | _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Super_L): _accumulateEventState->setModKeyMask(GUIEventAdapter::MODKEY_LEFT_SUPER | _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Super_R): _accumulateEventState->setModKeyMask(GUIEventAdapter::MODKEY_RIGHT_SUPER | _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Hyper_L): _accumulateEventState->setModKeyMask(GUIEventAdapter::MODKEY_LEFT_HYPER | _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Hyper_R): _accumulateEventState->setModKeyMask(GUIEventAdapter::MODKEY_RIGHT_HYPER | _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Caps_Lock):
{
if ((_accumulateEventState->getModKeyMask() & GUIEventAdapter::MODKEY_CAPS_LOCK)!=0)
_accumulateEventState->setModKeyMask(~GUIEventAdapter::MODKEY_CAPS_LOCK & _accumulateEventState->getModKeyMask());
else
_accumulateEventState->setModKeyMask(GUIEventAdapter::MODKEY_CAPS_LOCK | _accumulateEventState->getModKeyMask());
break;
}
case(GUIEventAdapter::KEY_Num_Lock):
{
if ((_accumulateEventState->getModKeyMask() & GUIEventAdapter::MODKEY_NUM_LOCK)!=0)
_accumulateEventState->setModKeyMask(~GUIEventAdapter::MODKEY_NUM_LOCK & _accumulateEventState->getModKeyMask());
else
_accumulateEventState->setModKeyMask(GUIEventAdapter::MODKEY_NUM_LOCK | _accumulateEventState->getModKeyMask());
break;
}
default: break;
}
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::KEYDOWN);
event->setKey(key);
event->setUnmodifiedKey(unmodifiedKey);
event->setTime(time);
addEvent(event);
return event;
}
osgGA::GUIEventAdapter* EventQueue::keyRelease(int key, double time, int unmodifiedKey)
{
switch(unmodifiedKey)
{
case(GUIEventAdapter::KEY_Shift_L): _accumulateEventState->setModKeyMask(~GUIEventAdapter::MODKEY_LEFT_SHIFT & _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Shift_R): _accumulateEventState->setModKeyMask(~GUIEventAdapter::MODKEY_RIGHT_SHIFT & _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Control_L): _accumulateEventState->setModKeyMask(~GUIEventAdapter::MODKEY_LEFT_CTRL & _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Control_R): _accumulateEventState->setModKeyMask(~GUIEventAdapter::MODKEY_RIGHT_CTRL & _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Meta_L): _accumulateEventState->setModKeyMask(~GUIEventAdapter::MODKEY_LEFT_META & _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Meta_R): _accumulateEventState->setModKeyMask(~GUIEventAdapter::MODKEY_RIGHT_META & _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Alt_L): _accumulateEventState->setModKeyMask(~GUIEventAdapter::MODKEY_LEFT_ALT & _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Alt_R): _accumulateEventState->setModKeyMask(~GUIEventAdapter::MODKEY_RIGHT_ALT & _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Super_L): _accumulateEventState->setModKeyMask(~GUIEventAdapter::MODKEY_LEFT_SUPER & _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Super_R): _accumulateEventState->setModKeyMask(~GUIEventAdapter::MODKEY_RIGHT_SUPER & _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Hyper_L): _accumulateEventState->setModKeyMask(~GUIEventAdapter::MODKEY_LEFT_HYPER & _accumulateEventState->getModKeyMask()); break;
case(GUIEventAdapter::KEY_Hyper_R): _accumulateEventState->setModKeyMask(~GUIEventAdapter::MODKEY_RIGHT_HYPER & _accumulateEventState->getModKeyMask()); break;
default: break;
}
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::KEYUP);
event->setKey(key);
event->setUnmodifiedKey(unmodifiedKey);
event->setTime(time);
addEvent(event);
return event;
}
GUIEventAdapter* EventQueue::touchBegan(unsigned int id, GUIEventAdapter::TouchPhase phase, float x, float y, double time)
{
if(_firstTouchEmulatesMouse)
{
// emulate left mouse button press
_accumulateEventState->setButtonMask(GUIEventAdapter::LEFT_MOUSE_BUTTON | _accumulateEventState->getButtonMask());
_accumulateEventState->setX(x);
_accumulateEventState->setY(y);
}
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::PUSH);
event->setTime(time);
event->addTouchPoint(id, phase, x, y, 0);
if(_firstTouchEmulatesMouse)
event->setButton(GUIEventAdapter::LEFT_MOUSE_BUTTON);
addEvent(event);
return event;
}
GUIEventAdapter* EventQueue::touchMoved(unsigned int id, GUIEventAdapter::TouchPhase phase, float x, float y, double time)
{
if(_firstTouchEmulatesMouse)
{
_accumulateEventState->setX(x);
_accumulateEventState->setY(y);
}
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::DRAG);
event->setTime(time);
event->addTouchPoint(id, phase, x, y, 0);
addEvent(event);
return event;
}
GUIEventAdapter* EventQueue::touchEnded(unsigned int id, GUIEventAdapter::TouchPhase phase, float x, float y, unsigned int tap_count, double time)
{
if (_firstTouchEmulatesMouse)
{
_accumulateEventState->setButtonMask(~GUIEventAdapter::LEFT_MOUSE_BUTTON & _accumulateEventState->getButtonMask());
_accumulateEventState->setX(x);
_accumulateEventState->setY(y);
}
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::RELEASE);
event->setTime(time);
event->addTouchPoint(id, phase, x, y, tap_count);
if(_firstTouchEmulatesMouse)
event->setButton(GUIEventAdapter::LEFT_MOUSE_BUTTON);
addEvent(event);
return event;
}
osgGA::GUIEventAdapter* EventQueue::closeWindow(double time)
{
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::CLOSE_WINDOW);
event->setTime(time);
addEvent(event);
return event;
}
osgGA::GUIEventAdapter* EventQueue::quitApplication(double time)
{
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::QUIT_APPLICATION);
event->setTime(time);
addEvent(event);
return event;
}
osgGA::GUIEventAdapter* EventQueue::frame(double time)
{
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::FRAME);
event->setTime(time);
addEvent(event);
return event;
}
GUIEventAdapter* EventQueue::createEvent()
{
if (_accumulateEventState.valid()) return new GUIEventAdapter(*_accumulateEventState.get());
else return new GUIEventAdapter();
}
GUIEventAdapter* EventQueue::userEvent(osg::Referenced* userEventData, double time)
{
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::USER);
event->setUserData(userEventData);
event->setTime(time);
addEvent(event);
return event;
}