chartool/pygtk/main.py

   1 #!/usr/bin/env python
   2 # -*- coding:utf-8 -*-
   3
   4 import gtk
   5 import os
   6 import pygtk
   7
   8
   9 class Controller:
  10     def __init__(self, glade_file_path):
  11         builder = gtk.Builder()
  12         builder.add_from_file(glade_file_path)
  13         builder.connect_signals(self)
  14
  15         self.entries = dict([(nm, builder.get_object("entry_%s" % nm)) \
  16                                  for nm in ['search', 'code', 'name']])
  17         self.search_action = SearchAction(self.entries['search'])
  18         self.label_char = builder.get_object('label_char')
  19         self.menu_label_char = builder.get_object('menu_label_char')
  20         self.font_name = None
  21         self.font_dialog = builder.get_object('fontselectiondialog')
  22         self.window = builder.get_object('window_main')
  23         self.window.show()
  24
  25         gtk.main()
  26
  27     def end_application(self, widget, data=None):
  28         gtk.main_quit()
  29         return False
  30
  31     def on_button_search_clicked(self, widget, data=None):
  32         a = self.search_action
  33         a.set_next()
  34         a.put_code(self.entries['code'])
  35         a.put_char(self.label_char, self.font_name)
  36
  37         return False
  38
  39     def on_entry_search_activate(self, widget, data=None):
  40         self.on_button_search_clicked(widget, data)
  41
  42         return False
  43
  44     def on_label_char_button_press_event(self, widget, event=None):
  45         if event.button == 3:
  46             self.menu_label_char.popup(None, None, None, event.button, event.time)
  47             return True
  48         return False
  49
  50     def on_menuitem_font_activate(self, widget, event=None):
  51         self.font_dialog.show()
  52
  53         return False
  54
  55     def on_fontsel_cancel_button_clicked(self, widget, data=None):
  56         self.font_dialog.hide()
  57
  58         return False
  59
  60     def on_fontsel_ok_button_clicked(self, widget, data=None):
  61         self.font_name = self.font_dialog.get_font_name()
  62         self.font_dialog.hide()
  63         self.search_action.put_char(self.label_char, self.font_name)
  64
  65         return False
  66
  67
  68 class SearchAction:
  69     def __init__(self, entry_search):
  70         self.entry_search = entry_search
  71         self.char_util = CharUtil()
  72         self.code = None
  73         self.char = ''
  74
  75     def set_next(self):
  76         en = self.entry_search
  77         buf = en.get_text().decode('utf-8')
  78         if len(buf) == 0: return
  79
  80         pos = en.get_position()
  81         if pos == len(buf): pos = 0
  82         region = self.char_util.get_target_region(buf, pos)
  83         target = buf[region[0]:region[1]]
  84         en.select_region(region[0], region[1])
  85         ch = self.char_util.get_unichar(target)
  86
  87         self.code = hex(ord(ch))
  88         self.char = ch
  89
  90     def put_code(self, entry):
  91         if not self.code: return
  92
  93         entry.set_text(self.code)
  94
  95     def put_char(self, label, font_name):
  96         if not self.char: return
  97         if not font_name: font_name = '80'
  98
  99         mu = '<span font="%s">%s</span>' % (font_name, self.char)
 100         label.set_markup(mu)
 101
 102
 103 class CharUtil:
 104     def is_hex_char(self, char):
 105         return (char >= '0' and char <= '9') or \
 106             (char >= 'a' and char <= 'f') or \
 107             (char >= 'A' and char <= 'F')
 108
 109     def get_unichar(self, buf):
 110         if len(buf) <= 1: return buf
 111
 112         return unichr(int(buf, 16))
 113
 114     def get_target_region(self, text, pos):
 115         ch = text[pos:pos + 1]
 116         rlen = 0
 117         llen = 0
 118         while rlen <= 4 and self.is_hex_char(ch):
 119             rlen += 1
 120             if pos + rlen >= len(text): break
 121             ch = text[(pos + rlen):(pos + rlen + 1)]
 122         if rlen >= 1 and rlen < 5:
 123             while rlen + llen <= 4 and pos - llen > 0:
 124                 ch = text[(pos - llen - 1):(pos - llen)]
 125                 if not self.is_hex_char(ch): break
 126                 llen += 1
 127         ret = (pos - llen, pos + rlen)
 128         if ret == (pos, pos): return (pos, pos + 1)
 129         return ret
 130
 131
 132 if __name__ == '__main__':
 133     path = os.path.abspath(os.path.dirname(__file__))
 134     Controller(os.path.join(path, 'window_main.glade'))