Xinqi Bao's Git

Move components into dedicated subdirectory
[slstatus.git] / components / keyboard_indicators.c
diff --git a/components/keyboard_indicators.c b/components/keyboard_indicators.c
new file mode 100644 (file)
index 0000000..b7713b6
--- /dev/null
@@ -0,0 +1,30 @@
+/* See LICENSE file for copyright and license details. */
+#include <err.h>
+#include <X11/Xlib.h>
+
+#include "../util.h"
+
+const char *
+keyboard_indicators(void)
+{
+       Display *dpy = XOpenDisplay(NULL);
+       XKeyboardState state;
+
+       if (dpy == NULL) {
+               warnx("XOpenDisplay failed");
+               return NULL;
+       }
+       XGetKeyboardControl(dpy, &state);
+       XCloseDisplay(dpy);
+
+       switch (state.led_mask) {
+               case 1:
+                       return "c";
+               case 2:
+                       return "n";
+               case 3:
+                       return "cn";
+               default:
+                       return "";
+       }
+}