tmouseswap.c - plan9port - [fork] Plan 9 from user space | |
git clone git://src.adamsgaard.dk/plan9port | |
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tmouseswap.c (963B) | |
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1 #include <u.h> | |
2 #include <libc.h> | |
3 #include <draw.h> | |
4 #include <memdraw.h> | |
5 #include <memlayer.h> | |
6 #include <mouse.h> | |
7 #include <cursor.h> | |
8 #include <keyboard.h> | |
9 #include <drawfcall.h> | |
10 #include "devdraw.h" | |
11 | |
12 enum | |
13 { | |
14 Nbutton = 10 | |
15 }; | |
16 | |
17 static int debug; | |
18 | |
19 static struct | |
20 { | |
21 int b[Nbutton]; | |
22 int init; | |
23 } map; | |
24 | |
25 static void | |
26 initmap(void) | |
27 { | |
28 char *p; | |
29 int i; | |
30 | |
31 p = getenv("mousedebug"); | |
32 if(p && p[0]) | |
33 debug = atoi(p); | |
34 | |
35 for(i=0; i<Nbutton; i++) | |
36 map.b[i] = i; | |
37 map.init = 1; | |
38 p = getenv("mousebuttonmap"); | |
39 if(p) | |
40 for(i=0; i<Nbutton && p[i]; i++) | |
41 if('0' <= p[i] && p[i] <= '9') | |
42 map.b[i] = p[i] - '1'; | |
43 if(debug){ | |
44 fprint(2, "mousemap: "); | |
45 for(i=0; i<Nbutton; i++) | |
46 fprint(2, " %d", 1+map.b[i]); | |
47 fprint(2, "\n"); | |
48 } | |
49 } | |
50 | |
51 int | |
52 mouseswap(int but) | |
53 { | |
54 int i; | |
55 int nbut; | |
56 | |
57 if(!map.init) | |
58 initmap(); | |
59 | |
60 nbut = 0; | |
61 for(i=0; i<Nbutton; i++) | |
62 if((but&(1<<i)) && map.b[i] >= 0) | |
63 nbut |= 1<<map.b[i]; | |
64 if(debug) | |
65 fprint(2, "swap %#b -> %#b\n", but, nbut); | |
66 return nbut; | |
67 } |