1 files changed, 37 insertions, 0 deletions
diff --git a/src/wm-tester/focus-window.c b/src/wm-tester/focus-window.c
new file mode 100644
index 00000000..dc33bd25
--- /dev/null
+++ b/src/wm-tester/focus-window.c
@@ -0,0 +1,37 @@
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
+#include <stdio.h>
+#include <stdlib.h>
+
+int main (int argc, char **argv)
+{
+  Display *d;
+  Window w;
+  const char *w_str;
+  char *end;
+  
+  if (argc != 2)
+    {
+      fprintf (stderr, "Usage: focus-window WINDOWID\n");
+      exit (1);
+    }
+  
+  d = XOpenDisplay (NULL);
+
+  w_str = argv[1];
+  end = NULL;
+  
+  w = strtoul (w_str, &end, 16);
+  if (end == w_str)
+    {
+      fprintf (stderr, "Usage: focus-window WINDOWID\n");
+      exit (1);
+    }
+
+  printf ("Setting input focus to 0x%lx\n", w);
+  XSetInputFocus (d, w, RevertToPointerRoot, CurrentTime);
+  XFlush (d);
+  
+  return 0;
+}
+