/usr/include/osgGA/EventQueue is in libopenscenegraph-dev 3.0.1-2.
This file is owned by root:root, with mode 0o644.
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*
* 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 OSGGA_EVENTQUEUE
#define OSGGA_EVENTQUEUE 1
#include <osgGA/GUIEventAdapter>
#include <osg/ref_ptr>
#include <osg/Timer>
#include <OpenThreads/Mutex>
#include <list>
namespace osgGA {
/**
* EventQueue implementation for collecting and adapting windowing events
*/
class OSGGA_EXPORT EventQueue : public osg::Referenced
{
public:
EventQueue(GUIEventAdapter::MouseYOrientation mouseYOrientation=GUIEventAdapter::Y_INCREASING_DOWNWARDS);
typedef std::list< osg::ref_ptr<GUIEventAdapter> > Events;
/** Set events.*/
void setEvents(Events& events);
/** Take the entire event queue leaving the EventQueue' event queue empty.*/
bool takeEvents(Events& events);
/** Take the events that were recorded before with specified time queue.*/
bool takeEvents(Events& events, double cutOffTime);
/** Take a copy the entire event queue leaving the EventQueue' event queue intact.*/
bool copyEvents(Events& events) const;
/** Add events to end of event queue.*/
void appendEvents(Events& events);
/** Add an event to the end of the event queue.*/
void addEvent(GUIEventAdapter* event);
/** Specify if mouse coordinates should be transformed into a pre defined input range, or whether they
* should be simply based on as local coordinates to the window that generated the mouse events.*/
void setUseFixedMouseInputRange(bool useFixedMouseInputRange) { _useFixedMouseInputRange = useFixedMouseInputRange; }
/** Get whether the mouse coordinates should be transformed into a pre defined input range.*/
bool getUseFixedMouseInputRange() { return _useFixedMouseInputRange; }
/** Set the graphics context associated with this event queue.*/
void setGraphicsContext(osg::GraphicsContext* context) { getCurrentEventState()->setGraphicsContext(context); }
/** Set the mouse input range.*/
void setMouseInputRange(float xMin, float yMin, float xMax, float yMax) { getCurrentEventState()->setInputRange(xMin, yMin, xMax, yMax); }
/** Method for adapting window resize event, placing this event on the back of the event queue. */
void windowResize(int x, int y, int width, int height) { windowResize(x,y,width,height,getTime()); }
/** Method for adapting window resize event, placing this event on the back of the event queue, with specified time. */
void windowResize(int x, int y, int width, int height, double time);
/** Method for adapting mouse scroll wheel events, placing this event on the back of the event queue. */
void mouseScroll(GUIEventAdapter::ScrollingMotion sm) { mouseScroll(sm,getTime()); }
/** Method for adapting mouse scroll wheel events, placing this event on the back of the event queue, with specified time. */
void mouseScroll(GUIEventAdapter::ScrollingMotion sm, double time);
/** Method for adapting mouse scroll wheel events, placing this event on the back of the event queue. */
void mouseScroll2D(float x, float y) { mouseScroll2D(x, y, getTime()); }
/** Method for adapting mouse scroll wheel events, placing this event on the back of the event queue. */
void mouseScroll2D(float x, float y, double time);
/** Method for adapting pen pressure events, placing this event on the back of the event queue.*/
void penPressure(float pressure) { penPressure(pressure, getTime()); }
/** Method for adapting pen pressure events, placing this event on the back of the event queue, with specified time.*/
void penPressure(float pressure, double time);
/** Method for adapting pen orientation events, placing this event on the back of the event queue.*/
void penOrientation(float tiltX, float tiltY, float rotation) { penOrientation(tiltX, tiltY, rotation, getTime()); }
/** Method for adapting pen orientation events, placing this event on the back of the event queue, with specified time.*/
void penOrientation(float tiltX, float tiltY, float rotation, double time);
/** Method for adapting pen proximity events, placing this event on the back of the event queue.*/
void penProximity(GUIEventAdapter::TabletPointerType pt, bool isEntering) { penProximity(pt, isEntering, getTime()); }
/** Method for adapting pen proximity events, placing this event on the back of the event queue, with specified time.*/
void penProximity(GUIEventAdapter::TabletPointerType pt, bool isEntering, double time);
/** Method for updating in response to a mouse warp. Note, just moves the mouse position without creating a new event for it.*/
void mouseWarped(float x, float y);
/** Method for adapting mouse motion events, placing this event on the back of the event queue.*/
void mouseMotion(float x, float y) { mouseMotion(x,y, getTime()); }
/** Method for adapting mouse motion events, placing this event on the back of the event queue, with specified time.*/
void mouseMotion(float x, float y, double time);
/** Method for adapting mouse button pressed events, placing this event on the back of the event queue.
* Button numbering is 1 for left mouse button, 2 for middle, 3 for right. */
void mouseButtonPress(float x, float y, unsigned int button) { mouseButtonPress(x, y, button, getTime()); }
/** Method for adapting mouse button pressed events, placing this event on the back of the event queue, with specified time.
* Button numbering is 1 for left mouse button, 2 for middle, 3 for right. */
void mouseButtonPress(float x, float y, unsigned int button, double time);
/** Method for adapting mouse button pressed events, placing this event on the back of the event queue.
* Button numbering is 1 for left mouse button, 2 for middle, 3 for right. */
void mouseDoubleButtonPress(float x, float y, unsigned int button) { mouseDoubleButtonPress(x, y, button, getTime()); }
/** Method for adapting mouse button pressed events, placing this event on the back of the event queue, with specified time.
* Button numbering is 1 for left mouse button, 2 for middle, 3 for right. */
void mouseDoubleButtonPress(float x, float y, unsigned int button, double time);
/** Method for adapting mouse button release events, placing this event on the back of the event queue.
* Button numbering is 1 for left mouse button, 2 for middle, 3 for right. */
void mouseButtonRelease(float x, float y, unsigned int button) { mouseButtonRelease(x, y, button, getTime()); }
/** Method for adapting mouse button release events, placing this event on the back of the event queue, with specified time.
* Button numbering is 1 for left mouse button, 2 for middle, 3 for right. */
void mouseButtonRelease(float x, float y, unsigned int button, double time);
/** Method for adapting keyboard press events. Note, special keys such as Ctrl/Function keys should be adapted to GUIEventAdapter::KeySymbol mappings.*/
void keyPress(int key, int unmodifiedKey = 0) { keyPress(key, getTime(), unmodifiedKey); }
/** Method for adapting keyboard press events. Note, special keys such as Ctrl/Function keys should be adapted to GUIEventAdapter::KeySymbol mappings, with specified time.*/
void keyPress(int key, double time, int unmodifiedKey = 0);
/** Method for adapting keyboard press events. Note, special keys such as Ctrl/Function keys should be adapted to GUIEventAdapter::KeySymbol mappings.*/
void keyRelease(int key, int unmodifiedKey = 0) { keyRelease(key, getTime(), unmodifiedKey); }
/** Method for adapting keyboard press events. Note, special keys such as Ctrl/Function keys should be adapted to GUIEventAdapter::KeySymbol mappings, with specified time.*/
void keyRelease(int key, double time, int unmodifiedKey = 0);
GUIEventAdapter* touchBegan(unsigned int id, GUIEventAdapter::TouchPhase phase, float x, float y, double time);
GUIEventAdapter* touchBegan(unsigned int id, GUIEventAdapter::TouchPhase phase, float x, float y) {
return touchBegan(id, phase, x, y, getTime());
}
GUIEventAdapter* touchMoved(unsigned int id, GUIEventAdapter::TouchPhase phase, float x, float y, double time);
GUIEventAdapter* touchMoved(unsigned int id, GUIEventAdapter::TouchPhase phase, float x, float y) {
return touchMoved(id, phase, x, y, getTime());
}
GUIEventAdapter* touchEnded(unsigned int id, GUIEventAdapter::TouchPhase phase, float x, float y, unsigned int tap_count, double time);
GUIEventAdapter* touchEnded(unsigned int id, GUIEventAdapter::TouchPhase phase, float x, float y, unsigned int tap_count) {
return touchEnded(id, phase, x, y, tap_count, getTime());
}
/** Method for adapting close window events.*/
void closeWindow() { closeWindow(getTime()); }
/** Method for adapting close window event with specified event time.*/
void closeWindow(double time);
/** Method for adapting application quit events.*/
void quitApplication() { quitApplication(getTime()); }
/** Method for adapting application quit events with specified event time.*/
void quitApplication(double time);
/** Method for adapting frame events.*/
void frame(double time);
void setStartTick(osg::Timer_t tick) { _startTick = tick; }
osg::Timer_t getStartTick() const { return _startTick; }
double getTime() const { return osg::Timer::instance()->delta_s(_startTick, osg::Timer::instance()->tick()); }
/** convenience method for create an event ready to fill in. Clones the getCurrentEventState() to produce a up to date event state. */
GUIEventAdapter* createEvent();
void setCurrentEventState(GUIEventAdapter* ea) { _accumulateEventState = ea; }
GUIEventAdapter* getCurrentEventState() { return _accumulateEventState.get(); }
const GUIEventAdapter* getCurrentEventState() const { return _accumulateEventState.get(); }
/** Method for adapting user defined events */
void userEvent(osg::Referenced* userEventData) { userEvent(userEventData, getTime()); }
/** Method for adapting user defined events with specified event time */
void userEvent(osg::Referenced* userEventData, double time);
protected:
virtual ~EventQueue();
/** Prevent unwanted copy operator.*/
EventQueue& operator = (const EventQueue&) { return *this; }
osg::ref_ptr<GUIEventAdapter> _accumulateEventState;
bool _useFixedMouseInputRange;
osg::Timer_t _startTick;
mutable OpenThreads::Mutex _eventQueueMutex;
Events _eventQueue;
};
}
#endif
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