ref: d5e2fd9028687dfc18c0ac1b249ccec38ab075f6
dir: /sys/src/cmd/evdump.c/
#include <u.h>
#include <libc.h>
#include <ctype.h>
#include <bio.h>
#include <draw.h>
#include <keyboard.h>
#include <mouse.h>
#include <thread.h>
typedef struct {
u8int e;
u8int c;
Rune r;
}K;
enum {
Kmbase = 0xf0000,
};
static K k[10*128];
static int nk;
static int kbd;
static Biobuf *kbmap, *wctl;
static char *layertab[] = {
"none", "shift", "esc", "altgr",
"ctl", "ctlesc", "shiftesc", "shiftaltgr",
"mod4", "altgrmod4",
};
static char *
k2s(Rune r)
{
switch(r){
case Ksbwd: return "Ksbwd";
case Ksfwd: return "Ksfwd";
case Kpause: return "Kpause";
case Kvoldn: return "Kvoldn";
case Kvolup: return "Kvolup";
case Kmute: return "Kmute";
case Kbrtdn: return "Kbrtdn";
case Kbrtup: return "Kbrtup";
case Kack: return "Kack";
case Kalt: return "Kalt";
case Kaltgr: return "Kaltgr";
case Kbreak: return "Kbreak";
case Kbs: return "Kbs";
case Kcaps: return "Kcaps";
case Kctl: return "Kctl";
case Kdel: return "Kdel";
case Kdown: return "Kdown";
case Kend: return "Kend";
case Kenq: return "Kenq";
case Keof: return "Keof";
case Kesc: return "Kesc";
case Ketb: return "Ketb";
case Ketx: return "Ketx";
case Khome: return "Khome";
case Kins: return "Kins";
case Kleft: return "Kleft";
case Kmiddle: return "Kmiddle";
case Kmod4: return "Kmod4";
case Knack: return "Knack";
case Knum: return "Knum";
case Kpgdown: return "Kpgdown";
case Kpgup: return "Kpgup";
case Kprint: return "Kprint";
case Kright: return "Kright";
case Kscroll: return "Kscroll";
case Kscrollonedown: return "Kscrollonedown";
case Kscrolloneup: return "Kscrolloneup";
case Kshift: return "Kshift";
case Ksoh: return "Ksoh";
case Kstx: return "Kstx";
case Kup: return "Kup";
case KF|1: return "F1";
case KF|2: return "F2";
case KF|3: return "F3";
case KF|4: return "F4";
case KF|5: return "F5";
case KF|6: return "F6";
case KF|7: return "F7";
case KF|8: return "F8";
case KF|9: return "F9";
case KF|10: return "F10";
case KF|11: return "F11";
case KF|12: return "F12";
case Kmouse|1: return "Kmouse1";
case Kmouse|2: return "Kmouse2";
case Kmouse|3: return "Kmouse3";
case Kmouse|4: return "Kmouse4";
case Kmouse|5: return "Kmouse5";
case '\n': return "\\n";
}
return nil;
}
static int
kmreset(void *, char *)
{
int i;
for(i = 0; i < nk; i++)
Bprint(kbmap, "%d\t%d\t%d\n", k[i].e, k[i].c, k[i].r);
Bflush(kbmap);
return 0;
}
static void
kmset(void)
{
int i;
for(i = 0; i < nk; i++)
Bprint(kbmap, "%d\t%d\t%d\n", k[i].e, k[i].c, Kmbase+i);
Bflush(kbmap);
}
static void
key(Rune r, char *type)
{
char *s, t[32];
Rune c;
K q;
if(r < Kmbase || r >= Kmbase+nk){
if((s = k2s(r)) != nil)
snprint(t, sizeof(t), "%s", s);
else if((r < 0x80 && isprint(r)) || r >= 0x20)
snprint(t, sizeof(t), "%C (0x%x)", r, r);
else
snprint(t, sizeof(t), "0x%x", r);
return;
}
q = k[r-Kmbase];
c = q.r;
if((s = k2s(c)) != nil)
snprint(t, sizeof(t), "%s", s);
else if((c < 0x80 && isprint(c)) || c >= 0x20)
snprint(t, sizeof(t), "%C (0x%x)", c, c);
else
snprint(t, sizeof(t), "0x%x", c);
print("key %s %s: %d %d 0x%ux\n", type, t, q.e, q.c, q.r);
}
static void
wctlproc(void *)
{
char s[256], *t[8];
int wctl, n;
if((wctl = open("/dev/wctl", OREAD)) < 0)
sysfatal("%r");
for(;;){
if((n = read(wctl, s, sizeof(s)-1)) <= 0)
break;
s[n] = 0;
if(tokenize(s, t, nelem(t)) < 6)
continue;
if(strcmp(t[4], "current") == 0)
kmset();
else if(strcmp(t[4], "notcurrent") == 0)
kmreset(nil, nil);
print("wctl %s %s\n", t[4], t[5]);
}
close(wctl);
threadexits(nil);
}
static void
kbproc(void *)
{
char *s, buf[128], buf2[128];
int kbd, n;
Rune r;
threadsetname("kbproc");
if((kbd = open("/dev/kbd", OREAD)) < 0)
sysfatal("/dev/kbd: %r");
buf2[0] = 0;
buf2[1] = 0;
buf[0] = 0;
for(;;){
if(buf[0] != 0){
n = strlen(buf)+1;
memmove(buf, buf+n, sizeof(buf)-n);
}
if(buf[0] == 0){
n = read(kbd, buf, sizeof(buf)-1);
if(n <= 0)
break;
buf[n-1] = 0;
buf[n] = 0;
}
switch(buf[0]){
case 'k':
for(s = buf+1; *s;){
s += chartorune(&r, s);
if(utfrune(buf2+1, r) == nil)
key(r, "down");
}
break;
case 'K':
for(s = buf2+1; *s;){
s += chartorune(&r, s);
if(utfrune(buf+1, r) == nil)
key(r, "up");
}
break;
case 'c':
if(chartorune(&r, buf+1) > 0 && r != Runeerror)
key(r, "repeat");
default:
continue;
}
strcpy(buf2, buf);
}
close(kbd);
threadexits(nil);
}
static void
usage(void)
{
fprint(2, "usage: %s\n", argv0);
threadexitsall("usage");
}
void
threadmain(int argc, char **argv)
{
Mousectl *mctl;
char tmp[32], *f[4], *s;
int nf, e;
Mouse m;
enum { Cmouse, Cresize, Numchan };
Alt a[Numchan+1] = {
[Cmouse] = { nil, &m, CHANRCV },
[Cresize] = { nil, nil, CHANRCV },
{ nil, nil, CHANEND },
};
ARGBEGIN{
default:
usage();
}ARGEND
if(argc != 0)
usage();
if((kbmap = Bopen("/dev/kbmap", OREAD)) == nil)
sysfatal("%r");
nk = 0;
for(;;){
if((s = Brdline(kbmap, '\n')) == nil)
break;
s[Blinelen(kbmap)-1] = '\0';
nf = getfields(s, f, nelem(f), 1, " \t");
if(nf < 3)
continue;
for(e = 0; e < nelem(layertab); e++)
if(strcmp(f[0], layertab[e]) == 0)
break;
if(e >= nelem(layertab)){
e = strtoul(f[0], &s, 0);
if(*s != '\0')
continue;
}
k[nk].e = e;
k[nk].c = strtoul(f[1], &s, 0);
if(*s != '\0')
continue;
k[nk].r = strtoul(f[2], &s, 0);
if(*s != '\0')
continue;
if(++nk >= nelem(k))
break;
}
Bterm(kbmap);
if((kbmap = Bopen("/dev/kbmap", OWRITE)) == nil)
sysfatal("%r");
threadnotify(kmreset, 1);
snprint(tmp, sizeof(tmp), "-pid %d -dx %d -dy %d", getpid(), 256, 256);
newwindow(tmp);
if(initdraw(nil, nil, "evdump") < 0)
sysfatal("initdraw: %r");
if((mctl = initmouse(nil, screen)) == nil)
sysfatal("initmouse: %r");
a[Cmouse].c = mctl->c;
a[Cresize].c = mctl->resizec;
proccreate(kbproc, nil, mainstacksize);
proccreate(wctlproc, nil, mainstacksize);
for(;;){
draw(screen, screen->r, display->black, nil, ZP);
switch(alt(a)){
case -1:
goto end;
case Cmouse:
print(
"mouse buttons 0x%x x %d y %d\n",
m.buttons,
m.xy.x, m.xy.y
);
break;
case Cresize:
getwindow(display, Refnone);
print(
"resize min %d %d max %d %d\n",
screen->r.min.x, screen->r.min.y,
screen->r.max.x, screen->r.max.y
);
break;
}
}
end:
threadexitsall(nil);
}