76 lines
1.8 KiB
C
76 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;
|
|
ulong msec;
|
|
};
|
|
|
|
struct Event
|
|
{
|
|
int kbdc;
|
|
Mouse mouse;
|
|
int n; /* number of characters in message */
|
|
void *v; /* data unpacked by general event-handling function */
|
|
uchar data[EMAXMSG]; /* message from an arbitrary file descriptor */
|
|
};
|
|
|
|
struct Menu
|
|
{
|
|
char **item;
|
|
char *(*gen)(int);
|
|
int lasthit;
|
|
};
|
|
|
|
/*
|
|
* Events
|
|
*/
|
|
extern void einit(ulong);
|
|
extern ulong estart(ulong, int, int);
|
|
extern ulong estartfn(ulong, int, int, int (*fn)(int, Event*, uchar*, int));
|
|
extern ulong etimer(ulong, int);
|
|
extern ulong event(Event*);
|
|
extern ulong eread(ulong, Event*);
|
|
extern Mouse emouse(void);
|
|
extern int ekbd(void);
|
|
extern int ecanread(ulong);
|
|
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);
|