1 files changed, 94 insertions, 0 deletions
diff --git a/src/xinerama.c b/src/xinerama.c
new file mode 100644
index 0000000..3c94d56
--- /dev/null
+++ b/src/xinerama.c
@@ -0,0 +1,94 @@
+/* functions for grabbing information about Xinerama screens
+ * Copyright (C) 2003 Cameron Patrick
+ *
+ * This file is part of ratpoison.
+ *
+ * ratpoison is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2, or (at your option)
+ * any later version.
+ *
+ * ratpoison is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this software; see the file COPYING.  If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
+ * Boston, MA 02111-1307 USA
+ */
+
+#include "ratpoison.h"
+
+#ifdef HAVE_X11_EXTENSIONS_XINERAMA_H
+# include <X11/extensions/Xinerama.h>
+# define XINERAMA
+#endif
+
+int rp_have_xinerama = 0;
+int xine_screen_count;
+
+#ifdef XINERAMA
+static XineramaScreenInfo *xine_screens = NULL;
+#endif
+
+void
+init_xinerama()
+{
+	int evbase, errbase, major, minor;
+	
+	rp_have_xinerama = 0;
+
+#ifdef XINERAMA	
+	if (xine_screens) XFree(xine_screens);
+
+	if (!XineramaQueryExtension(dpy, &evbase, &errbase)) {
+		return;
+	}
+
+	if (!XineramaQueryVersion(dpy, &major, &minor) != Success) {
+		return;
+	}
+
+	if (major != 1) {
+		fprintf (stderr, "Warning: Xinerama version %d.%d not supported\n", major, minor);
+		return;
+	}
+	
+	if (!XineramaIsActive(dpy)) {
+		return;
+	}
+
+	xine_screens = XineramaQueryScreens(dpy, &xine_screen_count);
+	if ((xine_screens == NULL) || (xine_screen_count < 2)) {
+		return;
+	}
+
+	rp_have_xinerama = 1;
+#endif
+}
+
+void xinerama_get_screen_info(int sc, int *x, int *y, int *w, int *h)
+{
+#ifdef XINERAMA
+	if ((sc < xine_screen_count) && (sc >= 0)) {
+		*x = xine_screens[sc].x_org;
+		*y = xine_screens[sc].y_org;
+		*w = xine_screens[sc].width;
+		*h = xine_screens[sc].height;
+	}
+#endif
+}
+
+void
+free_xinerama()
+{
+#ifdef XINERAMA
+	if (xine_screens) {
+		XFree(xine_screens);
+	}
+	rp_have_xinerama = 0;
+#endif
+}
+