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