Added EventQueue.

This commit is contained in:
Robert Osfield
2006-03-08 15:40:02 +00:00
parent 7604146d3f
commit fa5ff9d169
2 changed files with 353 additions and 0 deletions

249
src/osgGA/EventQueue.cpp Normal file
View File

@@ -0,0 +1,249 @@
/* -*-c++-*- OpenSceneGraph - Copyright (C) 1998-2005 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()
{
_startTick = osg::Timer::instance()->tick();
_accumulateEventState = new GUIEventAdapter();
}
EventQueue::~EventQueue()
{
}
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(GUIEventAdapter* event)
{
event->setTime(getTime());
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.insert(events.end(),_eventQueue.begin(),_eventQueue.end());
_eventQueue.clear();
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::windowResize(float Xmin, float Ymin, float Xmax, float Ymax)
{
_accumulateEventState->setWindowSize(Xmin, Ymin, Xmax, Ymax);
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::RESIZE);
addEvent(event);
}
void EventQueue::mouseScroll(GUIEventAdapter::ScrollingMotion sm)
{
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::SCROLL);
event->setScrollingMotion(sm);
addEvent(event);
}
void EventQueue::mouseMotion(float x, float y)
{
_accumulateEventState->setX(x);
_accumulateEventState->setY(y);
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(event->getButtonMask() ? GUIEventAdapter::DRAG : GUIEventAdapter::MOVE);
addEvent(event);
}
void EventQueue::mouseButtonPress(float x, float y, unsigned int button)
{
_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);
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);
}
void EventQueue::mouseButtonRelease(float x, float y, unsigned int button)
{
_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);
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);
}
void EventQueue::keyPress(GUIEventAdapter::KeySymbol key)
{
switch(key)
{
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_LEFT_ALT | _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);
addEvent(event);
}
void EventQueue::keyRelease(GUIEventAdapter::KeySymbol key)
{
switch(key)
{
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_LEFT_ALT & _accumulateEventState->getModKeyMask()); break;
default: break;
}
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::KEYUP);
event->setKey(key);
addEvent(event);
}
void EventQueue::frame(double t)
{
GUIEventAdapter* event = new GUIEventAdapter(*_accumulateEventState);
event->setEventType(GUIEventAdapter::FRAME);
event->setTime(t);
addEvent(event);
}