New command line syntax, and new atom protocol.

[xtoys] / xtell.c

diff --git a/xtell.c b/xtell.c
index 76d53d3..79f2709 100644 (file)
--- a/xtell.c
+++ b/xtell.c
@@ -1,6 +1,6 @@
 /* -*-c-*-
  *
- * $Id: xtell.c,v 1.4 1998/12/11 09:50:06 mdw Exp $
+ * $Id: xtell.c,v 1.5 1999/08/20 07:29:19 mdw Exp $
  *
  * Wake up a waiting xwait process
  *
@@ -29,6 +29,9 @@
 /*----- Revision history --------------------------------------------------* 
  *
  * $Log: xtell.c,v $
+ * Revision 1.5  1999/08/20 07:29:19  mdw
+ * New command line syntax, and new atom protocol.
+ *
  * Revision 1.4  1998/12/11 09:50:06  mdw
  * Minor modifications to work with mLib and mgLib.
  *
@@ -55,7 +58,9 @@
 
 #include <mLib/mdwopt.h>
 #include <mLib/quis.h>
+#include <mLib/report.h>
 
+#include "xatom.h"
 #include "xwait.h"
 
 /*----- Main code ---------------------------------------------------------*/
@@ -67,14 +72,14 @@ static void version(FILE *fp)
 
 static void usage(FILE *fp)
 {
-  fprintf(fp, "Usage: %s [-d DISPLAY] [-a ATOM] [-m MSG]\n", QUIS);
+  fprintf(fp, "Usage: %s [-d DISPLAY] [ATOM:MSG]\n", QUIS);
 }
 
 int main(int argc, char *argv[])
 {
   char *display = 0;
   Display *dpy;
-  Atom xwait_die;
+  Atom a, m;
   char *atom = XWAIT_DIE;
   char *msg = XWAIT_DIE_MSG;
 
@@ -84,16 +89,16 @@ int main(int argc, char *argv[])
 
   for (;;) {
     static struct option opt[] = {
-      { "help",        0,                      0,      'h' },
-      { "usage",       0,                      0,      'u' },
-      { "version",     0,                      0,      'v' },
-      { "display",     required_argument,      0,      'd' },
-      { "atom",                required_argument,      0,      'a' },
-      { "msg",         required_argument,      0,      'm' },
-      {        0,              0,                      0,      0 }
+      { "help",        0,              0,      'h' },
+      { "usage",       0,              0,      'u' },
+      { "version",     0,              0,      'v' },
+      { "display",     OPTF_ARGREQ,    0,      'd' },
+      { "atom",                OPTF_ARGREQ,    0,      'a' },
+      { "msg",         OPTF_ARGREQ,    0,      'm' },
+      {        0,              0,              0,      0 }
     };
 
-    int i = getopt_long(argc, argv, "d:a:m:", opt, 0);
+    int i = mdwopt(argc, argv, "d:a:m:", opt, 0, 0, 0);
     if (i < 0)
       break;
     switch (i) {
@@ -113,8 +118,8 @@ int main(int argc, char *argv[])
 "-v, --version         Display the program's version number\n"
 "\n"
 "-d, --display=DISPLAY Choose X display to connect to\n"
-"-a, --atom=ATOM\t     Choose property name to set\n"
-"-m, --msg=MSG         Choose value of property to set\n",
+"-a, --atom=ATOM\t     Choose property name to set [deprecated]\n"
+"-m, --msg=MSG         Choose value of property to set [deprecated]\n",
           stdout);
        exit(0);
        break;
@@ -137,37 +142,33 @@ int main(int argc, char *argv[])
        msg = optarg;
        break;
       default:
-       fprintf(stderr, "Usage: xtell [-d DISPLAY] [-a ATOM] [-m MSG]\n");
+       usage(stderr);
        exit(EXIT_FAILURE);
        break;
     }
   }
 
-  /* --- Connect to the display --- */
+  if (optind < argc) {
+    char *p;
+    if ((atom = strtok(argv[optind++], ":")) == 0)
+      die(EXIT_FAILURE, "missing atom name");
+    if ((p = strtok(0, ",")) != 0)
+      msg = p;
+  }
 
-  dpy = XOpenDisplay(display);
-  if (!dpy) {
-    fprintf(stderr, "xtell: couldn't open display\n");
+  if (optind < argc) {
+    usage(stderr);
     exit(EXIT_FAILURE);
   }
 
-  /* --- Find the right atom --- */
-
-  xwait_die = XInternAtom(dpy, atom, False);
+  /* --- Set the property value and exit --- */
 
-  /* --- Set the property value --- */
-
-  {
-    XTextProperty prop;
-    if (!XGetTextProperty(dpy, DefaultRootWindow(dpy), &prop, xwait_die)) {
-      fprintf(stderr, "xtell: no xwait listening for `%s'\n", atom);
-      exit(EXIT_FAILURE);
-    }
-    XStringListToTextProperty(&msg, 1, &prop);
-    XSetTextProperty(dpy, DefaultRootWindow(dpy), &prop, xwait_die);
-  }
+  if ((dpy = XOpenDisplay(display)) == 0)
+    die(EXIT_FAILURE, "couldn't open display");
 
-  /* --- Done --- */
+  a = XInternAtom(dpy, atom, False);
+  m = XInternAtom(dpy, msg, False);
+  xatom_set(dpy, DefaultRootWindow(dpy), a, m);
 
   XCloseDisplay(dpy);
   return (0);