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#!/usr/bin/python
import gobject
import gtk
import appindicator
import subprocess
import re
# Depends on gnome-settings-daemon
MAXSTEPS = 15
closest = lambda num,list:min(list,key=lambda x:abs(x-num))
def menuitem_response(w, buf):
buf = re.sub('[^\d]', '', buf)
brightness = str(brightness_settings[int(buf)])
subprocess.call(['pkexec','/usr/lib/gnome-settings-daemon/gsd-backlight-helper','--set-brightness',brightness])
create_menu(ind)
def scroll_wheel_icon(w, m, d):
curr_brightness = get_curr_brightness()
if int(d) == int(gtk.gdk.SCROLL_DOWN):
curr_brightness = curr_brightness -1
if curr_brightness == -1:
curr_brightness = 0
elif int(d) == int(gtk.gdk.SCROLL_UP):
curr_brightness = curr_brightness + 1
if curr_brightness > len(brightness_settings)-1:
curr_brightness = len(brightness_settings)-1
brightness = str(brightness_settings[curr_brightness])
subprocess.call(['pkexec','/usr/lib/gnome-settings-daemon/gsd-backlight-helper','--set-brightness',"%s" % brightness])
create_menu(ind)
def get_curr_brightness():
c = 0
try:
p = subprocess.Popen(['pkexec','/usr/lib/gnome-settings-daemon/gsd-backlight-helper','--get-brightness'], stdout=subprocess.PIPE)
curr_brightness = int(p.communicate()[0])
c = closest(curr_brightness, brightness_settings)
except:
c = 0
return brightness_settings.index(c)
def get_brightness_settings():
if max_brightness < MAXSTEPS:
bs = range(0, max_brightness, 1)
else:
bs = range(0, max_brightness, max_brightness/MAXSTEPS)
bs.append(max_brightness)
return bs
def get_max_brightness():
mb = 0
try:
p = subprocess.Popen(['pkexec','/usr/lib/gnome-settings-daemon/gsd-backlight-helper','--get-max-brightness'], stdout=subprocess.PIPE)
mb = int(p.communicate()[0])
except:
mb = 0
return mb
def create_menu(ind):
curr_brightness = get_curr_brightness()
menu = gtk.Menu()
if max_brightness == 0:
menu_items = gtk.MenuItem("No backlights were found on your system")
menu_items.set_sensitive(False)
menu.append(menu_items)
menu_items.show()
else:
for i in range(len(brightness_settings)-1,-1,-1):
buf = "%d" % i
if i == curr_brightness:
buf = u"%d \u2022" % i
menu_items = gtk.MenuItem(buf)
menu.append(menu_items)
menu_items.connect("activate", menuitem_response, buf)
menu_items.show()
# show the items
ind.set_menu(menu)
ind = appindicator.Indicator ("indicator-brightness",
"/usr/share/notify-osd/icons/gnome/scalable/status/notification-display-brightness-full.svg",
appindicator.CATEGORY_HARDWARE)
ind.set_status (appindicator.STATUS_ACTIVE)
ind.connect("scroll-event", scroll_wheel_icon)
max_brightness = get_max_brightness()
brightness_settings = get_brightness_settings()
if __name__ == "__main__":
create_menu(ind)
gtk.main()
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