sprop

commit 2aae9d8ed744b37d002871f2f001170b7cfa21bb
Author: arg@localhost.localdomain <unknown>
Date:   Wed,  7 Apr 2010 10:02:16 +0000

initial commit
Diffstat:
sprop.c
 | 
63
+++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++

1 file changed, 63 insertions(+), 0 deletions(-)
diff --git a/sprop.c b/sprop.c
@@ -0,0 +1,63 @@
+#include <stdio.h>
+#include <string.h>
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+
+static char *getatom(Atom atom);
+static void setatom(Atom atom, char *value);
+
+static Display *dpy;
+static Window win;
+
+int
+main(int argc, char *argv[])
+{
+	Atom atom;
+	char *value = NULL;
+
+	dpy = XOpenDisplay(NULL);
+
+	switch(argc) {
+	case 4:
+		value = argv[3];
+	case 3:
+		if((atom = XInternAtom(dpy, argv[2], True)) == None) {
+			fprintf(stderr, "sprop: no such atom\n");
+			return 1;
+		}
+		win = atoi(argv[1]);
+		break;
+	default:
+		fprintf(stderr, "usage: sprop <xid> <atom> [<value>]\n");
+		return 1;
+	}
+	if(value)
+		setatom(atom, value);
+	else {
+		value = getatom(atom);
+		printf("%s\n", value);
+		XFree(value);
+	}
+	XCloseDisplay(dpy);
+	return 0;
+}
+
+char *
+getatom(Atom atom)
+{
+	Atom adummy;
+	int idummy;
+	unsigned long ldummy;
+	unsigned char *p = NULL;
+
+	XGetWindowProperty(dpy, win, atom, 0, BUFSIZ, False, XA_STRING,
+			&adummy, &idummy, &ldummy, &ldummy, &p);
+	return p;
+}
+
+void
+setatom(Atom atom, char *value)
+{
+	XChangeProperty(dpy, win, atom, XA_STRING, 8, PropModeReplace,
+			(unsigned char *)value, strlen(value) + 1);
+}