plan9fox/sys/include/event.h

68 lines
1.4 KiB
C
Raw Normal View History

#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);
extern int eenter(char*, char*, int, Mouse*);