summaryrefslogtreecommitdiffstats
path: root/driver/test-xinerama.c
diff options
context:
space:
mode:
authorSimon Rettberg2018-10-16 10:08:48 +0200
committerSimon Rettberg2018-10-16 10:08:48 +0200
commitd3a98cf6cbc3bd0b9efc570f58e8812c03931c18 (patch)
treecbddf8e50f35a9c6e878a5bfe3c6d625d99e12ba /driver/test-xinerama.c
downloadxscreensaver-d3a98cf6cbc3bd0b9efc570f58e8812c03931c18.tar.gz
xscreensaver-d3a98cf6cbc3bd0b9efc570f58e8812c03931c18.tar.xz
xscreensaver-d3a98cf6cbc3bd0b9efc570f58e8812c03931c18.zip
Original 5.40
Diffstat (limited to 'driver/test-xinerama.c')
-rw-r--r--driver/test-xinerama.c112
1 files changed, 112 insertions, 0 deletions
diff --git a/driver/test-xinerama.c b/driver/test-xinerama.c
new file mode 100644
index 0000000..8bafbb0
--- /dev/null
+++ b/driver/test-xinerama.c
@@ -0,0 +1,112 @@
+/* test-xinerama.c --- playing with the Xinerama extension.
+ * xscreensaver, Copyright (c) 2003 Jamie Zawinski <jwz@jwz.org>
+ *
+ * Permission to use, copy, modify, distribute, and sell this software and its
+ * documentation for any purpose is hereby granted without fee, provided that
+ * the above copyright notice appear in all copies and that both that
+ * copyright notice and this permission notice appear in supporting
+ * documentation. No representations are made about the suitability of this
+ * software for any purpose. It is provided "as is" without express or
+ * implied warranty.
+ */
+
+#ifdef HAVE_CONFIG_H
+# include "config.h"
+#endif
+
+#include <stdlib.h>
+#ifdef HAVE_UNISTD_H
+# include <unistd.h>
+#endif
+
+#include <stdio.h>
+#include <time.h>
+#include <sys/time.h>
+
+#include <X11/Xlib.h>
+#include <X11/Xatom.h>
+#include <X11/Intrinsic.h>
+
+#include <X11/Xproto.h>
+#include <X11/extensions/Xinerama.h>
+
+char *progname = 0;
+char *progclass = "XScreenSaver";
+
+static const char *
+blurb (void)
+{
+ static char buf[255];
+ time_t now = time ((time_t *) 0);
+ char *ct = (char *) ctime (&now);
+ int n = strlen(progname);
+ if (n > 100) n = 99;
+ strncpy(buf, progname, n);
+ buf[n++] = ':';
+ buf[n++] = ' ';
+ strncpy(buf+n, ct+11, 8);
+ strcpy(buf+n+9, ": ");
+ return buf;
+}
+
+
+int
+main (int argc, char **argv)
+{
+ int event_number, error_number;
+ int major, minor;
+ int nscreens = 0;
+ XineramaScreenInfo *xsi;
+ int i;
+
+ XtAppContext app;
+ Widget toplevel_shell = XtAppInitialize (&app, progclass, 0, 0,
+ &argc, argv, 0, 0, 0);
+ Display *dpy = XtDisplay (toplevel_shell);
+ XtGetApplicationNameAndClass (dpy, &progname, &progclass);
+
+ if (!XineramaQueryExtension(dpy, &event_number, &error_number))
+ {
+ fprintf(stderr, "%s: XineramaQueryExtension(dpy, ...) ==> False\n",
+ blurb());
+ fprintf(stderr, "%s: server does not support the Xinerama extension.\n",
+ blurb());
+ exit(1);
+ }
+ else
+ fprintf(stderr, "%s: XineramaQueryExtension(dpy, ...) ==> %d, %d\n",
+ blurb(), event_number, error_number);
+
+ if (!XineramaIsActive(dpy))
+ {
+ fprintf(stderr, "%s: XineramaIsActive(dpy) ==> False\n", blurb());
+ fprintf(stderr, "%s: server says Xinerama is turned off.\n", blurb());
+ exit(1);
+ }
+ else
+ fprintf(stderr, "%s: XineramaIsActive(dpy) ==> True\n", blurb());
+
+ if (!XineramaQueryVersion(dpy, &major, &minor))
+ {
+ fprintf(stderr, "%s: XineramaQueryVersion(dpy, ...) ==> False\n",
+ blurb());
+ fprintf(stderr, "%s: server didn't report Xinerama version numbers?\n",
+ blurb());
+ }
+ else
+ fprintf(stderr, "%s: XineramaQueryVersion(dpy, ...) ==> %d, %d\n", blurb(),
+ major, minor);
+
+ xsi = XineramaQueryScreens (dpy, &nscreens);
+ fprintf(stderr, "%s: %d Xinerama screens\n", blurb(), nscreens);
+
+ for (i = 0; i < nscreens; i++)
+ fprintf (stderr, "%s: screen %d: %dx%d+%d+%d\n",
+ blurb(),
+ xsi[i].screen_number,
+ xsi[i].width, xsi[i].height,
+ xsi[i].x_org, xsi[i].y_org);
+ XFree (xsi);
+ XSync (dpy, False);
+ exit (0);
+}