jehanne/sys/include/event.h

77 lines
1.8 KiB
C

/*
* This file is part of the UCB release of Plan 9. It is subject to the license
* terms in the LICENSE file found in the top-level directory of this
* distribution and at http://akaros.cs.berkeley.edu/files/Plan9License. No
* part of the UCB release of Plan 9, including this file, may be copied,
* modified, propagated, or distributed except according to the terms contained
* in the LICENSE file.
*/
#pragma src "/sys/src/libdraw"
#pragma lib "libdraw.a"
typedef struct Cursor Cursor;
typedef struct Event Event;
typedef struct Menu Menu;
enum
{
Emouse = 1,
Ekeyboard = 2,
};
enum
{
MAXSLAVE = 32,
EMAXMSG = 128+8192, /* size of 9p header+data */
};
struct Mouse
{
int buttons; /* bit array: LMR=124 */
Point xy;
uint32_t msec;
};
struct Event
{
int kbdc;
Mouse mouse;
int n; /* number of characters in message */
void *v; /* data unpacked by general event-handling function */
uint8_t data[EMAXMSG]; /* message from an arbitrary file descriptor */
};
struct Menu
{
char **item;
char *(*gen)(int);
int lasthit;
};
/*
* Events
*/
extern void einit(uint32_t);
extern uint32_t estart(uint32_t, int, int);
extern uint32_t estartfn(uint32_t, int, int,
int (*fn)(int, Event*, uint8_t*, int));
extern uint32_t etimer(uint32_t, int);
extern uint32_t event(Event*);
extern uint32_t eread(uint32_t, Event*);
extern Mouse emouse(void);
extern int ekbd(void);
extern int ecanread(uint32_t);
extern int ecanmouse(void);
extern int ecankbd(void);
extern void eresized(int); /* supplied by user */
extern int emenuhit(int, Mouse*, Menu*);
extern int eatomouse(Mouse*, char*, int);
extern Rectangle getrect(int, Mouse*);
extern void esetcursor(Cursor*);
extern void emoveto(Point);
extern Rectangle egetrect(int, Mouse*);
extern void edrawgetrect(Rectangle, int);
extern int ereadmouse(Mouse*);
extern int eatomouse(Mouse*, char*, int);