1 #include <u.h>
2 #include "x11-inc.h"
3 #include <libc.h>
4 #include <draw.h>
5 #include <thread.h>
6 #include <memdraw.h>
7 #include <keyboard.h>
8 #include "x11-memdraw.h"
9 
10 void
11 closekeyboard(Keyboardctl *kc)
12 {
13 	if(kc == nil)
14 		return;
15 
16 /*	postnote(PNPROC, kc->pid, "kill");
17 */
18 
19 #ifdef BUG
20 	/* Drain the channel */
21 	while(?kc->c)
22 		<-kc->c;
23 #endif
24 
25 	close(kc->ctlfd);
26 	close(kc->consfd);
27 	free(kc->file);
28 	free(kc->c);
29 	free(kc);
30 }
31 
32 static
33 void
34 _ioproc(void *arg)
35 {
36 	int i;
37 	int fd;
38 	Keyboardctl *kc;
39 	Rune r;
40 	XEvent xevent;
41 
42 	kc = arg;
43 	threadsetname("kbdproc");
44 	kc->pid = getpid();
45 	fd = XConnectionNumber(_x.kbdcon);
46 	XSelectInput(_x.kbdcon, _x.drawable, KeyPressMask);
47 	for(;;){
48 		while(XCheckWindowEvent(_x.kbdcon, _x.drawable, KeyPressMask, &xevent) == False){
49 			threadfdwait(fd, 'r');
50 		}
51 		switch(xevent.type){
52 		case KeyPress:
53 			i = _xtoplan9kbd(&xevent);
54 			if(i == -1)
55 				continue;
56 			r = i;
57 			send(kc->c, &r);
58 			while((i=_xtoplan9kbd(nil)) >= 0){
59 				r = i;
60 				send(kc->c, &r);
61 			}
62 			break;
63 		}
64 	}
65 }
66 
67 Keyboardctl*
68 initkeyboard(char *file)
69 {
70 	Keyboardctl *kc;
71 
72 	threadfdwaitsetup();
73 	kc = mallocz(sizeof(Keyboardctl), 1);
74 	if(kc == nil)
75 		return nil;
76 	kc->c = chancreate(sizeof(Rune), 20);
77 	threadcreate(_ioproc, kc, 32768);
78 	return kc;
79 }
80