90 lines
2.2 KiB
Plaintext
90 lines
2.2 KiB
Plaintext
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//C++ header - Open Scene Graph - Copyright (C) 1998-2001 Robert Osfield
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//Distributed under the terms of the GNU Library General Public License (LGPL)
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//as published by the Free Software Foundation.
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#ifndef OSGGA_GUIEVENTADAPTER
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#define OSGGA_GUIEVENTADAPTER 1
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#include <osg/Referenced>
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#include <osgGA/Export>
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namespace osgGA{
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/** Pure virtual base class for adapting platform specific events into
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* generic keyboard and mouse events.
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*
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* Used as GUI toolkit independent input into the osgUtil::CameraManipualor's.
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* For an example of how GUIEventAdapter is specialised for a particular GUI
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* Toolkit see osgGLUT::GLUTEventAdapter.
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*/
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class GUIEventAdapter : public osg::Referenced
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{
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public:
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GUIEventAdapter() {}
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enum MouseButtonMask {
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LEFT_MOUSE_BUTTON=1,
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MIDDLE_MOUSE_BUTTON=2,
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RIGHT_MOUSE_BUTTON=4
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};
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enum EventType {
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PUSH,
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RELEASE,
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DRAG,
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MOVE,
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KEYBOARD,
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FRAME,
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RESIZE,
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NONE
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};
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/** Get the EventType of the GUI event.*/
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virtual EventType getEventType() const = 0;
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/** key pressed, return -1 if inappropriate for this event. */
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virtual int getKey() const = 0;
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/** button pressed/released, return -1 if inappropriate for this event.*/
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virtual int getButton() const = 0;
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/** window minimum x. */
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virtual int getXmin() const = 0;
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/** window maximum x. */
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virtual int getXmax() const = 0;
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/** window minimum y. */
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virtual int getYmin() const = 0;
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/** window maximum y. */
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virtual int getYmax() const = 0;
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/** current mouse x position.*/
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virtual int getX() const = 0;
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/** current mouse y position.*/
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virtual int getY() const = 0;
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/** current mouse button state */
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virtual unsigned int getButtonMask() const = 0;
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/** time in seconds of event. */
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virtual float time() const = 0;
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protected:
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/** Force users to create on heap, so that multiple referencing is safe.*/
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virtual ~GUIEventAdapter() {}
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};
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}
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#endif
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