112 lines
3.0 KiB
Plaintext
112 lines
3.0 KiB
Plaintext
//C++ header - Open Scene Graph - Copyright (C) 1998-2002 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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/**
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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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Used as GUI toolkit-independent input into GUIEventAdapters. Viewer
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writers should subclass this base class to implement the functionality
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to translate one of their GUI events, e.g. a Qt Event or an MFC Event,
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as appropriate.
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*/
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class OSGGA_EXPORT GUIEventAdapter : public osg::Referenced
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{
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public:
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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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DOUBLECLICK,
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DRAG,
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MOVE,
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KEYDOWN,
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KEYUP,
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FRAME,
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RESIZE,
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NONE
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};
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enum ModKeyMask {
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MODKEY_LEFT_SHIFT = 0x0001,
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MODKEY_RIGHT_SHIFT = 0x0002,
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MODKEY_LEFT_CTRL = 0x0040,
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MODKEY_RIGHT_CTRL = 0x0080,
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MODKEY_LEFT_ALT = 0x0100,
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MODKEY_RIGHT_ALT = 0x0200,
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MODKEY_LEFT_META = 0x0400,
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MODKEY_RIGHT_META = 0x0800,
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MODKEY_NUM_LOCK = 0x1000,
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MODKEY_CAPS_LOCK = 0x2000,
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MODKEY_CTRL = (MODKEY_LEFT_CTRL|MODKEY_RIGHT_CTRL),
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MODKEY_SHIFT = (MODKEY_LEFT_SHIFT|MODKEY_RIGHT_SHIFT),
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MODKEY_ALT = (MODKEY_LEFT_ALT|MODKEY_RIGHT_ALT),
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MODKEY_META = (MODKEY_LEFT_META|MODKEY_RIGHT_META)
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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 inappr opriate 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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/** current modkey state */
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virtual unsigned int getModKeyMask() const = 0;
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/** time in seconds of event. */
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virtual double time() const = 0;
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protected:
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GUIEventAdapter() {}
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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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