1 50e6d00c 2008-10-08 rsc #include <u.h>
 2 50e6d00c 2008-10-08 rsc #include <libc.h>
 3 50e6d00c 2008-10-08 rsc #include <draw.h>
 4 50e6d00c 2008-10-08 rsc #include <memdraw.h>
 5 50e6d00c 2008-10-08 rsc #include "devdraw.h"
 6 50e6d00c 2008-10-08 rsc 
 7 50e6d00c 2008-10-08 rsc enum
 8 50e6d00c 2008-10-08 rsc {
 9 50e6d00c 2008-10-08 rsc 	Nbutton = 10
10 50e6d00c 2008-10-08 rsc };
11 50e6d00c 2008-10-08 rsc 
12 50e6d00c 2008-10-08 rsc static int debug;
13 50e6d00c 2008-10-08 rsc 
14 50e6d00c 2008-10-08 rsc static struct
15 50e6d00c 2008-10-08 rsc {
16 50e6d00c 2008-10-08 rsc 	int b[Nbutton];
17 50e6d00c 2008-10-08 rsc 	int init;
18 50e6d00c 2008-10-08 rsc } map;
19 50e6d00c 2008-10-08 rsc 
20 50e6d00c 2008-10-08 rsc static void
21 50e6d00c 2008-10-08 rsc initmap(void)
22 50e6d00c 2008-10-08 rsc {
23 50e6d00c 2008-10-08 rsc 	char *p;
24 50e6d00c 2008-10-08 rsc 	int i;
25 50e6d00c 2008-10-08 rsc 
26 50e6d00c 2008-10-08 rsc 	p = getenv("mousedebug");
27 50e6d00c 2008-10-08 rsc 	if(p && p[0])
28 50e6d00c 2008-10-08 rsc 		debug = atoi(p);
29 50e6d00c 2008-10-08 rsc 
30 50e6d00c 2008-10-08 rsc 	for(i=0; i<Nbutton; i++)
31 50e6d00c 2008-10-08 rsc 		map.b[i] = i;
32 50e6d00c 2008-10-08 rsc 	map.init = 1;
33 50e6d00c 2008-10-08 rsc 	p = getenv("mousebuttonmap");
34 50e6d00c 2008-10-08 rsc 	if(p)
35 50e6d00c 2008-10-08 rsc 		for(i=0; i<Nbutton && p[i]; i++)
36 50e6d00c 2008-10-08 rsc 			if('0' <= p[i] && p[i] <= '9')
37 50e6d00c 2008-10-08 rsc 				map.b[i] = p[i] - '1';
38 50e6d00c 2008-10-08 rsc 	if(debug){
39 50e6d00c 2008-10-08 rsc 		fprint(2, "mousemap: ");
40 50e6d00c 2008-10-08 rsc 		for(i=0; i<Nbutton; i++)
41 50e6d00c 2008-10-08 rsc 			fprint(2, " %d", 1+map.b[i]);
42 50e6d00c 2008-10-08 rsc 		fprint(2, "\n");
43 50e6d00c 2008-10-08 rsc 	}
44 50e6d00c 2008-10-08 rsc }
45 50e6d00c 2008-10-08 rsc 
46 50e6d00c 2008-10-08 rsc int
47 50e6d00c 2008-10-08 rsc mouseswap(int but)
48 50e6d00c 2008-10-08 rsc {
49 50e6d00c 2008-10-08 rsc 	int i;
50 50e6d00c 2008-10-08 rsc 	int nbut;
51 50e6d00c 2008-10-08 rsc 
52 50e6d00c 2008-10-08 rsc 	if(!map.init)
53 50e6d00c 2008-10-08 rsc 		initmap();
54 50e6d00c 2008-10-08 rsc 	
55 50e6d00c 2008-10-08 rsc 	nbut = 0;
56 50e6d00c 2008-10-08 rsc 	for(i=0; i<Nbutton; i++)
57 50e6d00c 2008-10-08 rsc 		if((but&(1<<i)) && map.b[i] >= 0)
58 50e6d00c 2008-10-08 rsc 			nbut |= 1<<map.b[i];
59 50e6d00c 2008-10-08 rsc 	if(debug)
60 50e6d00c 2008-10-08 rsc 		fprint(2, "swap %#b -> %#b\n", but, nbut);
61 50e6d00c 2008-10-08 rsc 	return nbut;
62 50e6d00c 2008-10-08 rsc }