diff options
| -rw-r--r-- | xkbcat.c | 136 |
1 files changed, 68 insertions, 68 deletions
@@ -6,13 +6,13 @@ A rather simplified version of `xspy` by Jon A. Maxwell (JAM) <jmaxwell@acm.vt.edu> as modified for easier physical key monitoring by Antti Korpi <an@cyan.io>. -*/ + */ /* xspy polls the keyboard to determine the state of all keys on the keyboard. By comparing results it determines which key has been pressed. In this way it echos to the user all physical keys typed. -*/ + */ #include <X11/Xlib.h> #include <X11/X.h> @@ -37,68 +37,68 @@ int printKeyUps = FALSE; char *KeyCodeToStr(int code, int down); int usage() { - printf("%s\n%s\n%s\n%s\n", - "USAGE: xspy [-display <display>] [-delay <usecs>] [-up]", - " display X display to target", - " delay polling frequency (.1 sec is 100000 usecs)", - " up also prints on key-ups"); - exit(0); + printf("%s\n%s\n%s\n%s\n", + "USAGE: xspy [-display <display>] [-delay <usecs>] [-up]", + " display X display to target", + " delay polling frequency (.1 sec is 100000 usecs)", + " up also prints on key-ups"); + exit(0); } int main(int argc, char *argv[]) { - char *hostname=DEFAULT_DISPLAY, - *char_ptr, - buf1[32], buf2[32], - *keys, - *saved; - int i, delay=DEFAULT_DELAY; + char *hostname=DEFAULT_DISPLAY, + *char_ptr, + buf1[32], buf2[32], + *keys, + *saved; + int i, delay=DEFAULT_DELAY; - /* get args */ - for (i=1; i<argc; i++) { - if (!strcmp(argv[i], "-help")) usage(); - else if (!strcmp(argv[i], "-display")) { - i++; - hostname=argv[i]; - } - else if (!strcmp(argv[i], "-delay")) { - i++; - delay=atoi(argv[i]); - } - else if (!strcmp(argv[i], "-up")) {printKeyUps =TRUE;} - else usage(); - } + /* get args */ + for (i=1; i<argc; i++) { + if (!strcmp(argv[i], "-help")) usage(); + else if (!strcmp(argv[i], "-display")) { + i++; + hostname=argv[i]; + } + else if (!strcmp(argv[i], "-delay")) { + i++; + delay=atoi(argv[i]); + } + else if (!strcmp(argv[i], "-up")) { printKeyUps = TRUE; } + else usage(); + } - /* setup Xwindows */ - disp=XOpenDisplay(hostname); - if (NULL==disp) { - fprintf(stderr, "Cannot open X display: %s\n", hostname); - exit(1); - } - XSynchronize(disp, TRUE); + /* setup Xwindows */ + disp=XOpenDisplay(hostname); + if (NULL==disp) { + fprintf(stderr, "Cannot open X display: %s\n", hostname); + exit(1); + } + XSynchronize(disp, TRUE); - /* setup buffers */ - saved=buf1; keys=buf2; - XQueryKeymap(disp, saved); + /* setup buffers */ + saved=buf1; keys=buf2; + XQueryKeymap(disp, saved); - while (1) { - /* find changed keys */ - XQueryKeymap(disp, keys); - for (i=0; i<32*8; i++) { - if (BIT(keys, i)!=BIT(saved, i)) { - register char *str; - str=(char *)KeyCodeToStr(i, BIT(keys, i)); - if (BIT(keys, i)!=0 || printKeyUps) printf("%s\n",str); - fflush(stdout); /* in case user is writing to a pipe */ - } - } + while (1) { + /* find changed keys */ + XQueryKeymap(disp, keys); + for (i=0; i<32*8; i++) { + if (BIT(keys, i)!=BIT(saved, i)) { + register char *str; + str=(char *)KeyCodeToStr(i, BIT(keys, i)); + if (BIT(keys, i)!=0 || printKeyUps) printf("%s\n",str); + fflush(stdout); /* in case user is writing to a pipe */ + } + } - /* swap buffers */ - char_ptr=saved; - saved=keys; - keys=char_ptr; + /* swap buffers */ + char_ptr = saved; + saved = keys; + keys = char_ptr; - usleep(delay); - } + usleep(delay); + } } /* @@ -106,22 +106,22 @@ int main(int argc, char *argv[]) { Convert keysym into its string representation. Put it as (+string) or (-string), depending on if it's up or down. Print out the string. -*/ + */ char *KeyCodeToStr(int code, int down) { - static char *str, buf[KEYSYM_STRLEN+1]; - KeySym keysym = XKeycodeToKeysym(disp, code, 0); - if (NoSymbol==keysym) return ""; + static char *str, buf[KEYSYM_STRLEN+1]; + KeySym keysym = XKeycodeToKeysym(disp, code, 0); + if (NoSymbol==keysym) return ""; - /* convert keysym to a string, copy it to a local area */ - str=XKeysymToString(keysym); + /* convert keysym to a string, copy it to a local area */ + str=XKeysymToString(keysym); - if (NULL==str) return ""; - strncpy(buf, str, KEYSYM_STRLEN); buf[KEYSYM_STRLEN]=0; + if (NULL==str) return ""; + strncpy(buf, str, KEYSYM_STRLEN); buf[KEYSYM_STRLEN]=0; - /* still a string, so put it in form (+str) or (-str) */ - if (down) strcpy(buf, "+ "); - else strcpy(buf, "- "); - strcat(buf, str); - return buf; + /* still a string, so put it in form (+str) or (-str) */ + if (down) strcpy(buf, "+ "); + else strcpy(buf, "- "); + strcat(buf, str); + return buf; } |