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INTERVIE
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SENSOR.H
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C/C++ Source or Header
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1992-02-19
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3KB
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96 lines
/*
* Copyright (c) 1987, 1988, 1989 Stanford University
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided
* that the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of Stanford not be used in advertising or
* publicity pertaining to distribution of the software without specific,
* written prior permission. Stanford makes no representations about
* the suitability of this software for any purpose. It is provided "as is"
* without express or implied warranty.
*
* STANFORD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS.
* IN NO EVENT SHALL STANFORD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR
* OTHER TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION
* WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
/*
* Sensors describe input events of interest.
*/
#ifndef sensor_h
#define sensor_h
#include <InterViews/event.h>
#include <InterViews/resource.h>
const int initmask = 0x0000;
const int motionmask = 0x0001;
const int keymask = 0x0002;
const int entermask = 0x0004;
const int leavemask = 0x0008;
const int focusmask = 0x0010;
const int substructmask = 0x0020;
const int upmask = 0x0040;
const int downmask = 0x0080;
class Sensor : public Resource {
public:
Sensor();
Sensor(Sensor*);
~Sensor();
void Catch(EventType);
void CatchButton(EventType, int);
void CatchChannel(int);
void CatchTimer(int, int);
void Ignore(EventType);
void IgnoreButton(EventType, int);
void IgnoreChannel(int);
void CatchRemote();
void IgnoreRemote();
virtual boolean Interesting(Event&);
protected:
unsigned mask;
unsigned int down[16];
unsigned int up[16];
unsigned channels;
int maxchannel;
boolean timer;
long clkticks;
int sec, usec;
int ButtonIndex (unsigned b) { return (b >> 4) & 07; }
unsigned int ButtonFlag (unsigned b) { return 1 << (b & 0xf); }
void SetButton (unsigned int a[], unsigned b) {
a[ButtonIndex(b)] |= ButtonFlag(b);
}
void ClearButton (unsigned int a[], unsigned b) {
a[ButtonIndex(b)] &= ~ButtonFlag(b);
}
boolean ButtonIsSet (unsigned int a[], unsigned b) {
return (a[ButtonIndex(b)] & ButtonFlag(b)) != 0;
}
void SetMouseButtons (unsigned int a[]) { a[0] |= 0x7; }
void ClearMouseButtons (unsigned int a[]) { a[0] &= ~0x7; }
boolean MouseButtons (unsigned int a[]) { return (a[0] & 0x7) != 0; }
private:
friend class Interactor;
friend class Scene;
};
extern Sensor* allEvents;
extern Sensor* onoffEvents;
extern Sensor* updownEvents;
extern Sensor* noEvents;
#endif