jack_freewheel_button

   1 #!/usr/bin/python
   2
   3 # JACK FreeWheel button
   4 #
   5 # Copyright (C) 2010 Nikita Zlobin <cook60020tmp@mail.ru>
   6 #
   7 #*************************************************************************
   8 # This file implements dialogs that are not implemented in dedicated files
   9 #*************************************************************************
  10 #
  11 # LADI Session Handler is free software; you can redistribute it and/or modify
  12 # it under the terms of the GNU General Public License as published by
  13 # the Free Software Foundation; either version 2 of the License, or
  14 # (at your option) any later version.
  15 #
  16 # LADI Session Handler is distributed in the hope that it will be useful,
  17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 # GNU General Public License for more details.
  20 #
  21 # You should have received a copy of the GNU General Public License
  22 # along with LADI Session Handler. If not, see <http://www.gnu.org/licenses/>
  23 # or write to the Free Software Foundation, Inc.,
  24 # 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  25
  26
  27 import glib
  28 import gtk
  29 import jack
  30
  31 fw_on = "<b>ON</b>"
  32 fw_off = "<b>OFF</b>"
  33 fw_slave = "<b>ON</b> <small>SLAVE</small>"
  34 text_generic = "<small>FREE WHEEL</small>"
  35
  36 jclient_name = "jack_freewheel_button"
  37
  38 def on_button_toggled(button):
  39   label = button.get_children()[0]
  40   if button.get_active():
  41     b_label.set_label(text_generic+"\n"+fw_on)
  42     jack.set_freewheel(1)
  43     blink_toggle()
  44   else:
  45     b_label.set_label(text_generic+"\n"+fw_off)
  46     # Return default colors
  47     button.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse('darkgreen'))
  48     button.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.color_parse('darkgreen'))
  49     button.modify_bg(gtk.STATE_ACTIVE, gtk.gdk.color_parse('darkgreen'))
  50     b_label.modify_fg(gtk.STATE_NORMAL, gtk.gdk.color_parse('lightgreen'))
  51
  52     button.set_sensitive(True)
  53     jack.set_freewheel(0)
  54
  55 def check_freewheel():
  56   if jack.get_freewheel() > 0:
  57     if button.get_active() == False:
  58       button.set_active(True)
  59       button.set_sensitive(False)
  60       b_label.set_label(text_generic+"\n"+fw_slave)
  61       b_label.modify_fg(gtk.STATE_NORMAL, gtk.gdk.color_parse('pink'))
  62   else:
  63     button.set_active(False)
  64
  65   return True
  66
  67 def blink_toggle():
  68   if not button.get_active():
  69     return True
  70
  71   global blink_state
  72   if blink_state:
  73     button.modify_bg(gtk.STATE_ACTIVE, gtk.gdk.color_parse('brown'))
  74     button.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.color_parse('brown'))
  75     b_label.modify_fg(gtk.STATE_NORMAL, gtk.gdk.color_parse('pink'))
  76     blink_state = False
  77   else:
  78     button.modify_bg(gtk.STATE_ACTIVE, gtk.gdk.color_parse('darkorange'))
  79     button.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.color_parse('darkorange'))
  80     b_label.modify_fg(gtk.STATE_NORMAL, gtk.gdk.color_parse('lightyellow'))
  81     blink_state = True
  82   return True
  83
  84 # Create objects
  85 window = gtk.Window()
  86 window.set_title("JACK time wheel control")
  87 window.set_resizable(False)
  88 window.set_decorated(False)
  89
  90 button = gtk.ToggleButton()
  91 button.set_active(False)
  92 button.set_label(text_generic+"\n"+fw_off)
  93
  94 b_label = button.get_children()[0]
  95 b_label.set_justify(gtk.JUSTIFY_CENTER)
  96 b_label.set_use_markup(True)
  97
  98 blink_state = False
  99
 100 # Connections
 101 window.connect("delete-event", gtk.main_quit);
 102 button.connect("toggled", on_button_toggled);
 103 window.add(button)
 104
 105 # Colors
 106 button.modify_bg(gtk.STATE_NORMAL, gtk.gdk.color_parse('darkgreen'))
 107 button.modify_bg(gtk.STATE_PRELIGHT, gtk.gdk.color_parse('darkgreen'))
 108 button.modify_bg(gtk.STATE_ACTIVE, gtk.gdk.color_parse('darkgreen'))
 109 button.modify_bg(gtk.STATE_INSENSITIVE, gtk.gdk.color_parse('darkred'))
 110 b_label.modify_fg(gtk.STATE_NORMAL, gtk.gdk.color_parse('lightgreen'))
 111
 112 # JACK
 113 jack.attach(jclient_name)
 114 jack.activate()
 115 glib.timeout_add(300, check_freewheel)
 116 glib.timeout_add(700, blink_toggle)
 117
 118 window.show_all()
 119
 120 gtk.main()
 121
 122 jack.deactivate()
 123 jack.detach()