init

1 files changed, 38 insertions, 0 deletions

diff --git a/kb-light b/kb-light
new file mode 100755
index 0000000..a13f1fa
--- /dev/null
+++ b/kb-light
@@ -0,0 +1,38 @@
+#!/usr/bin/env python3
+
+import dbus
+import sys
+
+def kb_light_set(delta):
+    bus = dbus.SystemBus()
+    kbd_backlight_proxy = bus.get_object('org.freedesktop.UPower', '/org/freedesktop/UPower/KbdBacklight')
+    kbd_backlight = dbus.Interface(kbd_backlight_proxy, 'org.freedesktop.UPower.KbdBacklight')
+
+    current = kbd_backlight.GetBrightness()
+    maximum = kbd_backlight.GetMaxBrightness()
+    new = max(0, min(current + delta, maximum))
+
+    if 0 <= new  <= maximum:
+        current = new
+        kbd_backlight.SetBrightness(current)
+
+    # Return current backlight level percentage
+    return 100 * current / maximum
+
+if __name__ ==  '__main__':
+    if len(sys.argv) == 2 or len(sys.argv) == 3:
+        if sys.argv[1] == "--up" or sys.argv[1] == "+":
+            if len(sys.argv) == 3:
+                print(kb_light_set(int(sys.argv[2])))
+            else:
+                print(kb_light_set(17))
+        elif sys.argv[1] == "--down" or sys.argv[1] == "-":
+            if len(sys.argv) == 3:
+                print(kb_light_set(-int(sys.argv[2])))
+            else:
+                print(kb_light_set(-17))
+        else:
+            print("Unknown argument:", sys.argv[1])
+    else:
+        print("Script takes one or two argument.", len(sys.argv) - 1, "arguments provided.")
+