shithub: evdump

Download patch

ref: e6ab6580d5ee2874ac33ca763bb6e0ae53dc35c5
parent: 3b0a35dd198d23c2d83a2426d61c7628ca5b82bf
author: Sigrid Solveig Haflínudóttir <[email protected]>
date: Sun Nov 21 11:18:07 EST 2021

evdump, no more kbfind

--- a/README.md
+++ b/README.md
@@ -1,4 +1,3 @@
-# aux/kbfind
+# evdump
 
-Finds the correct `/dev/kbmap` entry for a non-working key on your
-keyboard, in 9front.
+Dumps input events in 9front.
--- /dev/null
+++ b/evdump.c
@@ -1,0 +1,271 @@
+#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;
+
+static char *
+k2s(Rune r)
+{
+	switch(r){
+	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 void
+kmreset(void)
+{
+	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);
+}
+
+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);
+		print("unexpected key %s %s\n", type, t);
+		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 %d\n", type, t, q.e, q.c, q.r);
+}
+
+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];
+	Mouse m;
+	char *s;
+	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");
+	for(nk = 0; nk < nelem(k); nk++){
+		if((s = Brdline(kbmap, '\n')) == nil)
+			break;
+		k[nk].e = strtoul(s, &s, 10);
+		k[nk].c = strtoul(s, &s, 10);
+		k[nk].r = strtoul(s, &s, 10);
+	}
+	Bterm(kbmap);
+
+	if((kbmap = Bopen("/dev/kbmap", OWRITE)) == nil)
+		sysfatal("%r");
+	atexit(kmreset);
+
+	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);
+
+	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);
+}
--- a/kbfind.c
+++ /dev/null
@@ -1,161 +1,0 @@
-#include <u.h>
-#include <libc.h>
-#include <bio.h>
-#include <keyboard.h>
-
-typedef struct {
-	int e;
-	int c;
-	int r;
-}K;
-
-static K k[1280];
-static int nk, kbmap, kbd;
-
-enum {
-	Base = 0xf0000,
-	End = 0xffffd
-};
-
-static char *
-k2s(Rune r)
-{
-	static char s[4];
-
-	switch(r){
-	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";
-	default:
-		if(r >= (KF|1) && r <= (KF|12)){
-			sprint(s, "F%d", r-KF);
-			return s;
-		}
-	}
-
-	return nil;
-}
-
-static void
-cleanup(void)
-{
-	int i;
-
-	for(i = 0; i <= nk; i++)
-		fprint(kbmap, "%d\t%d\t%d\n", k[i].e, k[i].c, 0);
-}
-
-void
-main(int argc, char **argv)
-{
-	char *s, *x, buf[128], buf2[128];
-	Biobuf *b;
-	int i, n;
-	Rune r;
-
-	USED(argc); USED(argv);
-
-	if((b = Bopen("/dev/kbmap", OREAD)) == nil)
-		sysfatal("%r");
-	for(nk = 0; nk < nelem(k);){
-		if((s = Brdline(b, '\n')) == nil)
-			break;
-		k[nk].e = strtol(s, &s, 10);
-		k[nk].c = strtol(s, &s, 10);
-		k[nk].r = strtol(s, &s, 10);
-		if(k[nk].r == 0)
-			nk++;
-	}
-	if(nk < 1)
-		sysfatal("no keys to map");
-	Bterm(b);
-	print("there are %d unmapped keys\n", nk);
-
-	kbd = -1;
-	if((kbmap = open("/dev/kbmap", OWRITE)) < 0 || (kbd = open("/dev/kbd", OREAD)) < 0)
-		sysfatal("%r");
-	atexit(cleanup);
-	for(i = 0; i <= nk; i++)
-		fprint(kbmap, "%d\t%d\t%d\n", k[i].e, k[i].c, Base+i);
-
-	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;
-		}
-
-		switch(buf[0]){
-		case 'k':
-			s = buf+1;
-			while(*s){
-				s += chartorune(&r, s);
-				if(utfrune(buf2+1, r) == nil){
-					if((x = k2s(r)) != nil)
-						print("%s\n", x);
-					else if(r >= Base && r <= End && (i = r-Base) < nk)
-						print("%d\t%d\t%d\n", k[i].e, k[i].c, r);
-					else if(r != Runeerror)
-						print("%C\n", r);
-					else
-						print("unknown key: rune 0x%x\n", r);
-					if(r == Kdel)
-						goto end;
-				}
-			}
-			break;
-
-		case 'K':
-			s = buf2+1;
-			while(*s)
-				s += chartorune(&r, s);
-			break;
-
-		default:
-			continue;
-		}
-
-		strcpy(buf2, buf);
-	}
-
-end:
-	exits(nil);
-}
--- a/mkfile
+++ b/mkfile
@@ -1,6 +1,7 @@
 </$objtype/mkfile
-BIN=/$objtype/bin/aux
-TARG=kbfind
-OFILES=kbfind.$O
-default:V: all
+
+BIN=/$objtype/bin
+TARG=evdump
+OFILES=evdump.$O
+
 </sys/src/cmd/mkone