indicator-chars.py

   1 #!/usr/bin/env python
   2 # -*- coding: utf-8 -*-
   3 #
   4 # Very simple chars indicator.
   5 # Author: Tobias Schlitt <toby@php.net>
   6 #
   7 # Hacked by Cyrille37 on 2016-02-03
   8 #
   9 # Copyright (c) 2011, Tobias Schlitt
  10 # All rights reserved.
  11 #
  12 # Redistribution and use in source and binary forms, with or without
  13 # modification, are permitted provided that the following conditions are met:
  14 #
  15 # Redistributions of source code must retain the above copyright notice,
  16 # this list of conditions and the following disclaimer.  Redistributions
  17 # in binary form must reproduce the above copyright notice, this list of
  18 # conditions and the following disclaimer in the documentation and/or
  19 # other materials provided with the distribution.
  20 #
  21 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
  24 # FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
  25 # COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
  26 # INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  27 # (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
  28 # SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
  29 # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
  30 # LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  31 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
  32 # USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
  33 # DAMAGE.
  34
  35 import os
  36 import re
  37 import gtk
  38 import gio
  39 import signal
  40 import subprocess
  41 # sudo apt-get install python-appindicator
  42 import appindicator
  43
  44 APP_NAME = 'indicator-chars'
  45 APP_VERSION = '0.2'
  46
  47 class IndicatorChars:
  48     CHARS_PATH = os.path.join(os.getenv('HOME'), '.indicator-chars')
  49     SCRIPT_DIR = os.path.dirname(os.path.realpath(__file__))
  50
  51     submenu_title_pattern = re.compile(r'\[([^]]+)\] *')
  52     description_pattern = re.compile(r' *(\([^)]+\)) *')
  53
  54     def __init__(self):
  55         self.ind = appindicator.Indicator(
  56             # Custom icon seems to doesn't work on my Ubuntu 12.04 LTS running Unity 2D
  57             #"Chars", os.path.join(self.SCRIPT_DIR, 'light16x16.png'),
  58             # So fallback to an referenced theme's icon name
  59             "Chars", "accessories-character-map",
  60             appindicator.CATEGORY_APPLICATION_STATUS)
  61         self.ind.set_status(appindicator.STATUS_ACTIVE)
  62
  63         self.update_menu()
  64
  65     def create_menu_item(self, label):
  66         item = gtk.MenuItem()
  67         item.set_label(label)
  68         return item
  69
  70     def on_chars_changed(self, filemonitor, file, other_file, event_type):
  71         if event_type == gio.FILE_MONITOR_EVENT_CHANGES_DONE_HINT:
  72             print 'Characters changed, updating menu...'
  73             self.update_menu()
  74
  75     def update_menu(self, widget = None, data = None):
  76         try:
  77             charDef = open(self.CHARS_PATH).readlines()
  78         except IOError:
  79             charDef = []
  80
  81         # Create menu
  82         menu = gtk.Menu()
  83
  84         for charLine in charDef:
  85             charLine = unicode(charLine)
  86             charLine = charLine.strip()
  87             submenu_match = self.submenu_title_pattern.match(charLine)
  88             if submenu_match:
  89                 submenu_title = submenu_match.group(1)
  90                 # remove title part from remainder:
  91                 charLine = charLine[submenu_match.end():]
  92             else:
  93                 submenu_title = ''.join(
  94                     self.description_pattern.split(charLine)[::2])
  95             parentItem = self.create_menu_item(submenu_title)
  96             subMenu = gtk.Menu()
  97             while charLine:
  98                 char = charLine[0]
  99                 charLine = charLine[1:]
 100                 description_match = self.description_pattern.match(charLine)
 101                 if description_match:
 102                     item_title = char + ' ' + description_match.group(1)
 103                     # remove description part from remainder:
 104                     charLine = charLine[description_match.end():]
 105                 else:
 106                     item_title = char
 107                 subItem = self.create_menu_item(item_title)
 108                 subItem.connect("activate", self.on_char_click, char)
 109                 subMenu.append(subItem)
 110             parentItem.set_submenu(subMenu)
 111             menu.append(parentItem)
 112
 113         menu.append(gtk.SeparatorMenuItem())
 114         quit_item = self.create_menu_item('Quit')
 115         quit_item.connect("activate", self.on_quit)
 116         menu.append(quit_item)
 117
 118         # Show the menu
 119         self.ind.set_menu(menu)
 120         menu.show_all()
 121
 122     def on_char_click(self, widget, char):
 123         cb = gtk.Clipboard(selection="PRIMARY")
 124         cb.set_text(char)
 125         cb = gtk.Clipboard(selection="CLIPBOARD")
 126         cb.set_text(char)
 127
 128     def on_quit(self, widget):
 129         gtk.main_quit()
 130
 131
 132 if __name__ == "__main__":
 133     # Catch CTRL-C
 134     signal.signal(signal.SIGINT, lambda signal, frame: gtk.main_quit())
 135
 136     # Run the indicator
 137     i = IndicatorChars()
 138
 139     # Monitor bookmarks changes
 140     file = gio.File(i.CHARS_PATH)
 141     monitor = file.monitor_file()
 142     monitor.connect("changed", i.on_chars_changed)
 143
 144     # Main gtk loop
 145     gtk.main()