vcs.maemo.org Git - ussd-widget/blob - ussd-widget/src/usr/lib/hildon-desktop/ussd-widget.py

   1 #!/usr/bin/python
   2 # -*- coding: utf-8 -*-
   3 import gobject
   4 import gtk
   5 import hildon
   6 import hildondesktop
   7 import os
   8 import cairo
   9 import pango
  10 import time
  11 import re
  12 import gettext
  13 import fcntl
  14 from subprocess import *
  15
  16 try :
  17         t = gettext.translation('ussd-widget', '/usr/share/locale')
  18         _ = t.ugettext
  19 except IOError:
  20         print "Translation file for your language not found"
  21         def retme(arg):
  22                 return arg
  23         _ = retme
  24
  25 ussd_languages = ["German", "English", "Italian", "French", "Spanish", "Dutch", "Swedish", "Danish", "Portuguese", "Finnish", "Norwegian", "Greek", "Turkish", "Reserved1", "Reserved2", "Unspecified"]
  26
  27 # TODO Cutt off too long messages and show them in separate dialog
  28 # how TODO widget vertical minimum size policy
  29 # TODO interface for queryng from scripts. For example query from one widget can change color of another widget
  30
  31 class USSD_Controller:
  32         def __init__( self, widget ) :
  33                 self.widget = widget
  34                 # number, parser, chain, interval, regexp, width, execute_at_start, retry pattern, font, name, language, show_message_box, message_box_parser
  35                 self.default_config = ["", "", "", 0, "", 0, True, [], pango.FontDescription("Nokia Sans 18"), _("Click to update"), 15, False, ""]
  36                 self.config = self.default_config
  37                 self.timeout_version = 0
  38                 self.retry_version = 0
  39                 self.retry_state = 0
  40
  41         def save_config( self ) :
  42                 configname = os.getenv("HOME")+"/.ussdWidget.conf"
  43                 # Aquire lock
  44                 lockf = open(configname+".lock", 'a')
  45                 fcntl.flock(lockf,fcntl.LOCK_EX)
  46
  47                 oldconfig=""
  48                 try:
  49                         fconfig = open(configname,"r")
  50                         #Read configuration of other instances
  51                         my_section = False
  52                         for line in fconfig :
  53                                 if line[0] == '%':
  54                                         my_section = line[1:].strip() == self.id
  55                                 if not my_section:
  56                                         oldconfig += line
  57                         fconfig.close()
  58                 except:
  59                         print _("Couldn't read previous config")
  60
  61                 fconfig = open(configname,"w")
  62                 fconfig.seek(0)
  63                 fconfig.write(oldconfig)
  64                 fconfig.write("%"+self.id+"\n");
  65                 fconfig.writelines(["# USSD query to be run by widget\n", "number="+self.config[0], "\n"])
  66                 fconfig.writelines(["#Parser command for widget\n", "parser="+self.config[1], "\n"])
  67                 fconfig.writelines(["#Parser command for banner\n", "parser_box="+self.config[12], "\n"])
  68                 fconfig.writelines(["#Chain command\n", "chain="+self.config[2], "\n"])
  69                 fconfig.writelines(["#Update interval in minutes\n", "interval="+str(self.config[3]), "\n"])
  70                 fconfig.writelines(["#RegExp pattern\n", "regexp="+self.config[4], "\n"])
  71                 fconfig.writelines(["#Widget width\n", "width="+str(self.config[5]), "\n"])
  72                 fconfig.writelines(["#Execute query at start\n", "query_at_start="+str(self.config[6]), "\n"])
  73                 fconfig.writelines(["#Retry pattern\n"])
  74                 fconfig.write("retry=")
  75                 first = True
  76                 for i in self.config[7]:
  77                         if not first:
  78                                 fconfig.write ("-")
  79                         fconfig.write(str(i))
  80                         first = False
  81                 fconfig.write("\n")
  82                 fconfig.writelines(["#Font description\n", "font="+self.config[8].to_string(), "\n"])
  83                 fconfig.writelines(["#Font color\n", "text_color="+self.widget.get_text_color().to_string(), "\n"])
  84                 fconfig.writelines(["#Background color\n", "bg_color="+self.widget.get_bg_color().to_string(), "\n"])
  85                 fconfig.writelines(["#Widget name\n", "name="+self.config[9], "\n"])
  86                 fconfig.writelines(["#Show banner\n", "show_box="+str(self.config[11]), "\n"])
  87                 fconfig.writelines(["#USSD reply language\n", "language="+str(self.config[10]), "\n"])
  88                 fconfig.close()
  89
  90                 fcntl.flock(lockf,fcntl.LOCK_UN)
  91                 lockf.close()
  92
  93         def get_config(self):
  94                 return self.config
  95
  96         def read_config( self, id ):
  97                 try :
  98                         self.id = id
  99                         config = open(os.getenv("HOME")+"/.ussdWidget.conf","r")
 100
 101                         error = False
 102                         i = 0
 103                         my_section = False
 104                         for line in config :
 105                                 i += 1
 106                                 if line[0] == '#':
 107                                         continue
 108                                 if line[0] == '%':
 109                                         my_section = line[1:].strip() == id
 110                                         continue
 111
 112                                 if not my_section:
 113                                         # This is config for another instace
 114                                         continue
 115
 116                                 line=line.split('=', 1)
 117
 118                                 if len(line) != 2 :
 119                                         error = True
 120                                         print _("Error reading config on line %(line)d. = or # expected.")%{"line":i}
 121                                         continue
 122                                 if line[0] == "number" :
 123                                         self.config[0] = line[1].strip()
 124                                 elif line[0] == "parser" :
 125                                         self.config[1] = line[1].strip()
 126                                 elif line[0] == "parser_box" :
 127                                         self.config[12] = line[1].strip()
 128                                 elif line[0] == "chain" :
 129                                         self.config[2] = line[1].strip()
 130                                 elif line[0] == "interval" :
 131                                         try:
 132                                                 self.config[3] = int(line[1].strip())
 133                                         except:
 134                                                 error = True
 135                                                 print _("Error reading config on line %(line)d. Integer expected.")%{"line":i}
 136                                                 continue
 137                                 elif line[0] == "regexp" :
 138                                         self.config[4] = line[1].strip()
 139                                 elif line[0] == "width" :
 140                                         try:
 141                                                 self.config[5] = int(line[1].strip())
 142                                         except:
 143                                                 error = True
 144                                                 print _("Error reading config on line %(line)d. Integer expected.")%{"line":i}
 145                                                 continue
 146                                 elif line[0] == "query_at_start" :
 147                                         if line[1].strip() == "True" :
 148                                                 self.config[6] = True
 149                                         else :
 150                                                 self.config[6] = False
 151                                 elif line[0] == "retry" :
 152                                         line[1] = line[1].strip()
 153                                         if line[1] != "":
 154                                                 line[1] = line[1].split("-")
 155                                                 i = 0
 156                                                 while i < len(line[1]) :
 157                                                         try:
 158                                                                 line[1][i] = int(line[1][i])
 159                                                         except:
 160                                                                 error = True
 161                                                                 print _("Error reading config on line %(line)d. Integer expected.")%{"line":i}
 162                                                         i += 1
 163                                                 self.config[7] = line[1]
 164                                         else:
 165                                                 self.config[7] = []
 166                                                 continue
 167                                 elif line[0] == "font" :
 168                                         try:
 169                                                 self.config[8] = pango.FontDescription(line[1].strip())
 170                                         except:
 171                                                 error = True
 172                                                 print _("Error reading config on line %(line)d. Pango font description expected.")%{"line":i}
 173                                                 continue
 174                                 elif line[0] == "bg_color" :
 175                                         try:
 176                                                 self.widget.set_bg_color(gtk.gdk.color_parse(line[1].strip()))
 177                                         except:
 178                                                 error = True
 179                                                 print _("Error reading config on line %(line)d. Expected color definition.")%{"line":i}
 180                                 elif line[0] == "text_color" :
 181                                         try:
 182                                                 self.widget.set_text_color(gtk.gdk.color_parse(line[1].strip()))
 183                                         except:
 184                                                 error = True
 185                                                 print _("Error reading config on line %(line)d. Expected color definition.")%{"line":i}
 186                                 elif line[0] == "name" :
 187                                         self.config[9] = line[1].strip()
 188                                 elif line[0] == "show_box" :
 189                                         if line[1].strip() == "True" :
 190                                                 self.config[11] = True
 191                                         else :
 192                                                 self.config[11] = False
 193                                 elif line[0] == "language" :
 194                                         try:
 195                                                 if int(line[1].strip()) >=0 and int(line[1].strip()) < len(ussd_languages):
 196                                                         self.config[10] = int(line[1].strip())
 197                                                 else:
 198                                                         error = True
 199                                                         print _("Error reading config on line %(line)d. Unknown language code.")%{"line":i}
 200                                         except:
 201                                                 error = True
 202                                                 print _("Error reading config on line %(line)d. Integer expected.")%{"line":i}
 203                                 else :
 204                                         error = True
 205                                         print _("Error reading config on line %(line)d. Unexpected variable: ")%{"line":i}+line[0]
 206                                         continue
 207
 208                         config.close()
 209
 210                         if error :
 211                                 self.widget.error = 1
 212                                 self.widget.set_text (_("Config error"), 5000)
 213
 214                         return self.config
 215                 except  IOError:
 216                         self.widget.error = 1
 217                         self.widget.set_text (_("Config error"), 0)
 218                         print _("IO error while reading config")
 219
 220                         return self.default_config
 221
 222         def on_show_settings( self, widget ) :
 223                 dialog = UssdConfigDialog(self.config, self.widget.get_bg_color(), self.widget.get_text_color())
 224
 225                 while True:
 226                         if dialog.run() != gtk.RESPONSE_OK :
 227                                 dialog.destroy()
 228                                 return
 229
 230                         test = check_regexp(dialog.regexp.get_text())
 231                         if test :
 232                                 dialog.on_error_regexp(test)
 233                                 continue
 234
 235                         # Check, that we have ussd number
 236                         if not check_number(dialog.ussdNumber.get_text()):
 237                                 dialog.on_error_ussd_number()
 238                                 continue
 239
 240                         # Parse retry pattern
 241                         retry = dialog.retryEdit.get_text().strip()
 242                         if retry != "" :
 243                                 retry = retry.split("-")
 244                                 i = 0
 245                                 while i < len(retry) :
 246                                         try:
 247                                                 retry[i] = int(retry[i])
 248                                         except:
 249                                                 dialog.on_error_retry_pattern()
 250                                                 break
 251                                         i += 1
 252
 253                                 if i < len(retry):
 254                                         continue
 255                         else :
 256                                 retry = []
 257
 258                         break
 259
 260                 self.config = [
 261                         dialog.ussdNumber.get_text(),
 262                         dialog.parser.get_text(),
 263                         dialog.chain.get_text(),
 264                         dialog.update_interval.get_value(),
 265                         dialog.regexp.get_text(),
 266                         dialog.widthEdit.get_value(),
 267                         dialog.query_at_start.get_active(),
 268                         retry,
 269                         dialog.font,
 270                         dialog.wname.get_text(),
 271                         dialog.language.get_active(),
 272                         dialog.show_box.get_active(),
 273                         dialog.b_parser.get_text()
 274                 ]
 275
 276                 widget.set_bg_color(dialog.bg_color)
 277                 widget.set_text_color(dialog.text_color)
 278
 279                 self.save_config()
 280
 281                 widget.set_width(self.config[5])
 282                 self.reset_timed_renew()
 283                 self.widget.label.modify_font(self.config[8])
 284
 285                 dialog.destroy()
 286
 287                 # Before running this function widget wasn't configured
 288                 if self.config == self.default_config:
 289                         self.widget.set_text(_("Click to update"))
 290                 return
 291
 292         def callback_ussd_data( self, source, condition ):
 293                 if condition == gobject.IO_IN or condition == gobject.IO_PRI :
 294                         data = source.read( )
 295                         if len( data ) > 0 :
 296                                 self.cb_reply += data
 297                                 return True
 298                         else :
 299                                 self.cb_ready = 1
 300                                 return False
 301
 302                 elif condition == gobject.IO_HUP or condition == gobject.IO_ERR :
 303                         self.cb_ready = 1
 304                         self.process_reply()
 305                         return False
 306
 307                 print (_("serious problems in program logic"))
 308                 # This will force widget to show error message
 309                 self.cb_reply = ""
 310                 self.cb_ready = 1
 311                 self.process_reply()
 312                 return False
 313
 314
 315         def call_external_script( self, ussd_code, language ):
 316                 self.cb_ready = 0
 317                 self.cb_reply = "";
 318                 p = Popen(['/usr/bin/ussdquery.py', ussd_code, ussd_languages[language]], stdout=PIPE)
 319                 gobject.io_add_watch( p.stdout, gobject.IO_IN | gobject.IO_PRI | gobject.IO_HUP | gobject.IO_ERR , self.callback_ussd_data )
 320
 321         def ussd_renew(self, widget, event):
 322                 if self.widget.processing == 0:
 323                         if self.config :
 324                                 widget.processing = 1
 325                                 widget.set_text(_("Processing"), 0)
 326                                 self.call_external_script( self.config[0], self.config[10] )
 327                         else :
 328                                 widget.processing = 0
 329                                 widget.error = 1
 330                                 widget.set_text(_("No config"), 0)
 331
 332         def process_reply( self ):
 333                 reply = self.cb_reply.strip()
 334
 335                 if reply == "" :
 336                         self.widget.error = 1
 337                         self.widget.set_text (_("Error"), 5000)
 338                         if self.retry_state == len(self.config[7]):
 339                                 self.retry_version += 1
 340                                 self.retry_state = 0
 341                         else :
 342                                 self.retry_timer = gobject.timeout_add (1000*self.config[7][self.retry_state], self.retry_renew, self.retry_version)
 343                                 self.retry_state += 1
 344                 else :
 345                         self.widget.error = 0
 346                         # Apply regexp
 347                         if self.config[4] != "":
 348                                 try :
 349                                         reply = re.match( self.config[4], reply ).group( 1 )
 350                                 except Exception, e:
 351                                         self.widget.error = 1
 352                                         reply = _("Regexp Error: ") + str( e ) + "\n" + reply
 353                         w_reply = b_reply = reply
 354                         if self.widget.error == 0:
 355                                 # Pass to box parser
 356                                 if self.config[12] != "" and self.config[11]:
 357                                         try:
 358                                                 p = Popen(smart_split_string(self.config[12], reply), stdout=PIPE)
 359                                                 b_reply = p.communicate()[0].strip()
 360                                         except Exception, e:
 361                                                 print _("Couldn't exec banner parser:")+str(e)
 362                                                 self.widget.error = 1
 363                                 # Pass to widget parser
 364                                 if self.config[1] != "":
 365                                         try:
 366                                                 p = Popen(smart_split_string(self.config[1], reply), stdout=PIPE)
 367                                                 w_reply = p.communicate()[0].strip()
 368                                         except Exception, e:
 369                                                 print _("Couldn't exec widget parser:")+str(e)
 370                                                 self.widget.error = 1
 371                                 # Pass to chain
 372                                 if self.config[2] != "":
 373                                         try:
 374                                                 p = Popen(smart_split_string(self.config[2], reply))
 375                                         except Exception, e:
 376                                                 print _("Couldn't exec chain:")+str(e)
 377                                                 self.widget.error = 1
 378                         if self.config[11]:
 379                                 banner = hildon.hildon_banner_show_information (self.widget, "", b_reply)
 380                                 banner.set_timeout (5000)
 381                                 b_reply
 382                         self.widget.set_text(w_reply)
 383                 self.widget.processing = 0
 384
 385         def timed_renew(self, version):
 386                 if version < self.timeout_version :
 387                         return False
 388                 self.ussd_renew(self.widget, None)
 389                 return True
 390
 391         def retry_renew(self,version):
 392                 if self.widget.error == 0 or self.widget.processing == 1 or version < self.retry_version :
 393                         return False
 394                 self.ussd_renew(self.widget, None)
 395                 return False
 396
 397         def reset_timed_renew (self) :
 398                 self.timeout_version += 1
 399                 if self.config[3] != 0 :
 400                         self.timer = gobject.timeout_add (60000*self.config[3], self.timed_renew, self.timeout_version)
 401
 402 class pHelpDialog(gtk.Dialog):
 403         def __init__(self, heading, text):
 404                 gtk.Dialog.__init__(self, heading, None,
 405                         gtk.DIALOG_DESTROY_WITH_PARENT | gtk.DIALOG_NO_SEPARATOR,
 406                         (_("OK").encode("utf-8"), gtk.RESPONSE_OK))
 407                 label = gtk.Label(text)
 408                 label.set_line_wrap (True)
 409                 self.vbox.add(label)
 410                 self.show_all()
 411                 self.parent
 412
 413 class UssdConfigDialog(gtk.Dialog):
 414         def __init__(self, config, bg_color, text_color):
 415                 gtk.Dialog.__init__(self, _("USSD widget"), None,
 416                         gtk.DIALOG_DESTROY_WITH_PARENT | gtk.DIALOG_NO_SEPARATOR,
 417                         (_("Save").encode("utf-8"), gtk.RESPONSE_OK))
 418
 419                 self.font = config[8]
 420                 self.bg_color = bg_color
 421                 self.text_color = text_color
 422
 423                 self.set_size_request(-1, 400)
 424                 self.ussdNumber = hildon.Entry(gtk.HILDON_SIZE_AUTO)
 425                 self.ussdNumber.set_text(config[0])
 426                 self.parser = hildon.Entry(gtk.HILDON_SIZE_AUTO)
 427                 self.parser.set_text(config[1])
 428                 self.b_parser = hildon.Entry(gtk.HILDON_SIZE_AUTO)
 429                 self.b_parser.set_text(config[12])
 430
 431                 self.chain = hildon.Entry(gtk.HILDON_SIZE_AUTO)
 432                 self.chain.set_text(config[2])
 433                 self.update_interval = hildon.NumberEditor(0, 9999)
 434                 self.update_interval.set_value(config[3])
 435                 self.regexp = hildon.Entry(gtk.HILDON_SIZE_AUTO)
 436                 self.regexp.set_text(config[4])
 437                 self.widthEdit = hildon.NumberEditor(0, 1000)
 438                 self.widthEdit.set_value(config[5])
 439                 self.retryEdit = hildon.Entry(gtk.HILDON_SIZE_AUTO)
 440
 441
 442                 selector = hildon.TouchSelector(text=True)
 443                 for i in ussd_languages:
 444                         selector.append_text(i)
 445                 self.language = hildon.PickerButton(gtk.HILDON_SIZE_AUTO, hildon.BUTTON_ARRANGEMENT_HORIZONTAL)
 446                 self.language.set_selector(selector)
 447                 self.language.set_active(config[10])
 448                 self.language.set_title(_("USSD reply language"))
 449                 self.language.set_size_request(-1, -1)
 450
 451                 self.wname = hildon.Entry(gtk.HILDON_SIZE_AUTO)
 452                 self.wname.set_text(config[9])
 453                 self.show_box = gtk.CheckButton(_("Enable banner. Parser:"))
 454                 self.show_box.set_active(config[11])
 455
 456                 text = ""
 457                 for i in config[7]:
 458                         if text != "":
 459                                 text += "-"
 460                         text += str(i)
 461                 self.retryEdit.set_text(text)
 462
 463                 self.query_at_start = gtk.CheckButton(_("Execute query on start"))
 464                 self.query_at_start.set_active(config[6])
 465
 466                 self.fontButton = gtk.Button(_("Font"))
 467                 self.fontButton.connect("clicked", self.on_show_font_selection)
 468
 469                 self.colorButton = gtk.Button(_("Background color"))
 470                 self.colorButton.connect("clicked", self.on_show_color_selection)
 471                 self.textColorButton = gtk.Button(_("Text color"))
 472                 self.textColorButton.connect("clicked", self.on_show_text_color_selection)
 473
 474                 phelp = gtk.Button("?")
 475                 phelp.connect("clicked", self.on_show_phelp)
 476
 477                 bphelp = gtk.Button("?")
 478                 bphelp.connect("clicked", self.on_show_bphelp)
 479
 480                 chelp = gtk.Button("?")
 481                 chelp.connect("clicked", self.on_show_chelp)
 482
 483                 reghelp = gtk.Button("?")
 484                 reghelp.connect("clicked", self.on_show_reghelp)
 485
 486                 retryhelp = gtk.Button("?")
 487                 retryhelp.connect("clicked", self.on_show_retryhelp)
 488
 489                 area = hildon.PannableArea()
 490                 self.vbox.add(area)
 491                 vbox = gtk.VBox()
 492                 area.add_with_viewport(vbox)
 493
 494                 numberBox = gtk.HBox()
 495                 numberLabel = gtk.Label(_("USSD number"))
 496                 numberLabel.set_alignment(0,0)
 497                 numberLabel.set_size_request(100, -1)
 498                 self.ussdNumber.set_size_request(200, -1)
 499                 numberBox.add(numberLabel)
 500                 numberBox.add(self.ussdNumber)
 501                 vbox.add(numberBox)
 502
 503                 vbox.add(self.language)
 504
 505                 vbox.add(self.query_at_start)
 506
 507                 nameBox = gtk.HBox()
 508                 nameLabel = gtk.Label(_("Name"))
 509                 nameLabel.set_alignment(0,0)
 510                 nameLabel.set_size_request(100, -1)
 511                 self.wname.set_size_request(200, -1)
 512                 nameBox.add(nameLabel)
 513                 nameBox.add(self.wname)
 514                 vbox.add(nameBox)
 515
 516                 parserBox = gtk.HBox()
 517                 parserLabel = gtk.Label(_("Parser for widget"))
 518                 parserLabel.set_alignment(0,0)
 519                 parserLabel.set_size_request(200, -1)
 520                 phelp.set_size_request(10, -1)
 521                 parserBox.add(parserLabel)
 522                 parserBox.add(phelp)
 523                 vbox.add(parserBox)
 524                 vbox.add(self.parser)
 525
 526                 b_parserBox = gtk.HBox()
 527 #               parserLabel = gtk.Label(_("Parser"))
 528 #               parserLabel.set_alignment(0,0)
 529                 self.show_box.set_size_request(200, -1)
 530                 bphelp.set_size_request(10, -1)
 531                 b_parserBox.add(self.show_box)
 532                 b_parserBox.add(bphelp)
 533                 vbox.add(b_parserBox)
 534                 vbox.add(self.b_parser)
 535
 536                 chainBox = gtk.HBox()
 537                 chainLabel = gtk.Label(_("Chain"))
 538                 chainLabel.set_alignment(0,0)
 539                 chainLabel.set_size_request(200, -1)
 540                 chelp.set_size_request(10, -1)
 541                 chainBox.add(chainLabel)
 542                 chainBox.add(chelp)
 543                 vbox.add(chainBox)
 544                 vbox.add(self.chain)
 545
 546                 regexpBox = gtk.HBox()
 547                 regexpLabel = gtk.Label(_("RegExp"))
 548                 regexpLabel.set_alignment(0,0)
 549                 regexpLabel.set_size_request(200, -1)
 550                 reghelp.set_size_request(10, -1)
 551                 regexpBox.add(regexpLabel)
 552                 regexpBox.add(reghelp)
 553                 vbox.add(regexpBox)
 554                 vbox.add(self.regexp)
 555
 556                 widthBox = gtk.HBox()
 557                 widthLabel = gtk.Label(_("Max. width"))
 558                 widthLabel.set_alignment(0,0)
 559                 symbolsLabel = gtk.Label(_("symbols"))
 560                 widthLabel.set_size_request(140, -1)
 561                 self.widthEdit.set_size_request(50, -1)
 562                 symbolsLabel.set_size_request(40,-1)
 563                 widthBox.add(widthLabel)
 564                 widthBox.add(self.widthEdit)
 565                 widthBox.add(symbolsLabel)
 566                 vbox.add(widthBox)
 567
 568                 updateBox = gtk.HBox()
 569                 updateLabel = gtk.Label(_("Update every"))
 570                 updateLabel.set_alignment(0,0)
 571                 minutesLabel = gtk.Label(_("minutes"))
 572                 updateLabel.set_size_request(140, -1)
 573                 self.update_interval.set_size_request(50, -1)
 574                 minutesLabel.set_size_request(40, -1)
 575                 updateBox.add(updateLabel)
 576                 updateBox.add(self.update_interval)
 577                 updateBox.add(minutesLabel)
 578                 vbox.add(updateBox)
 579
 580                 retryBox = gtk.HBox()
 581                 retryLabel = gtk.Label(_("Retry pattern"))
 582                 retryLabel.set_alignment(0,0)
 583                 retryLabel.set_size_request(200, -1)
 584                 retryhelp.set_size_request(10, -1)
 585                 retryBox.add(retryLabel)
 586                 retryBox.add(retryhelp)
 587                 vbox.add(retryBox)
 588                 vbox.add(self.retryEdit)
 589
 590                 viewBox = gtk.HBox()
 591                 viewBox.add(self.fontButton)
 592                 viewBox.add(self.textColorButton)
 593                 viewBox.add(self.colorButton)
 594                 vbox.add(viewBox)
 595
 596                 self.show_all()
 597                 self.parent
 598
 599         #============ Dialog helper functions =============
 600         def on_show_phelp(self, widget):
 601                 dialog = pHelpDialog(_("Format help"), _("Reply would be passed to specified utility, output of utility would be shown to you on widget.\n       Format:\n% would be replaced by reply\n\\ invalidates special meaming of following symbol\n\" and ' work as usual\nspace delimits command line parameters of utility\n      Hint: use echo \"Your string %\" to prepend your string to reply."))
 602                 dialog.run()
 603                 dialog.destroy()
 604
 605         def on_show_bphelp(self, widget):
 606                 dialog = pHelpDialog(_("Format help"), _("Reply would be passed to specified utility, output of utility would be shown to you on banner.\n       Format:\n% would be replaced by reply\n\\ invalidates special meaming of following symbol\n\" and ' work as usual\nspace delimits command line parameters of utility\n      Hint: use echo \"Your string %\" to prepend your string to reply."))
 607                 dialog.run()
 608                 dialog.destroy()
 609
 610         def on_show_chelp(self, widget):
 611                 dialog = pHelpDialog(_("Format help"), _("Reply would be passed to specified utility after parser utility. May be used for logging, statistics etc.\n       Format:\n% would be replaced by reply\n\\ invalidates special meaning of following symbol\n\" and ' work as usual\nspace delimits command line parameters of utility"))
 612                 dialog.run()
 613                 dialog.destroy()
 614
 615         def on_show_reghelp(self, widget):
 616                 dialog = pHelpDialog(_("Format help"), _("Standard python regexps. Use\n (.+?[\d\,\.]+)\n to delete everything after first number."))
 617                 dialog.run()
 618                 dialog.destroy()
 619
 620         def on_show_retryhelp(self, widget):
 621                 dialog = pHelpDialog(_("Format help"), _("Pauses between attemps (in seconds), delimited by -. For example 15-15-300 means \"In case of failure wait 15 seconds, try again, on failure wait 15 more secodns and try again, on failure make last attempt after 5 minutes\""))
 622                 dialog.run()
 623                 dialog.destroy()
 624
 625         def on_error_regexp(self, error):
 626                 dialog = pHelpDialog(_("Regexp syntax error"), error )
 627                 dialog.run()
 628                 dialog.destroy()
 629
 630         def on_error_ussd_number(self):
 631                 dialog = pHelpDialog(_("Incorrect USSD number"), _("USSD number should contain only digits, +, * or #") )
 632                 dialog.run()
 633                 dialog.destroy()
 634
 635         def on_error_retry_pattern(self):
 636                 dialog = pHelpDialog(_("Incorrect retry pattern"), _("Retry pattern should contain only numbers, delimited by -") )
 637                 dialog.run()
 638                 dialog.destroy()
 639
 640         def on_show_color_selection (self, event):
 641                 colorDialog = gtk.ColorSelectionDialog(_("Choose background color"))
 642                 colorDialog.colorsel.set_current_color(self.bg_color)
 643                 if colorDialog.run() == gtk.RESPONSE_OK :
 644                         self.bg_color = colorDialog.colorsel.get_current_color()
 645                 colorDialog.destroy()
 646
 647         def on_show_text_color_selection (self, event):
 648                 colorDialog = gtk.ColorSelectionDialog(_("Choose text color"))
 649                 colorDialog.colorsel.set_current_color(self.text_color)
 650                 if colorDialog.run() == gtk.RESPONSE_OK :
 651                         self.text_color = colorDialog.colorsel.get_current_color()
 652                 colorDialog.destroy()
 653
 654         def on_show_font_selection (self, event):
 655                 fontDialog = gtk.FontSelectionDialog(_("Choose a font"))
 656                 fontDialog.set_font_name(self.font.to_string())
 657
 658                 if fontDialog.run() != gtk.RESPONSE_OK :
 659                         fontDialog.destroy()
 660                         return
 661
 662                 self.font = pango.FontDescription (fontDialog.get_font_name())
 663                 fontDialog.destroy()
 664
 665 def smart_split_string (str, query) :
 666         word = ""
 667         result = []
 668         # Is simbol backslashed?
 669         bs = 0
 670         # Quotes: 1 - ", 2 - ', 0 - no quotes
 671         qs = 0
 672         for i in range(len(str)) :
 673           if bs == 0 and (str[i] == '"' and qs == 1 or str[i] == "'" and qs == 2) :
 674                   qs = 0
 675           elif bs == 0 and qs == 0 and (str[i] == '"' or str[i] == "'") :
 676                   if str[i] == '"':
 677                           qs = 1
 678                   else :
 679                           qs = 2
 680           elif bs == 0 and str[i] == '\\' :
 681                   bs = 1
 682           elif bs == 0 and str[i] == '%' :
 683                   word += query
 684                   ws = 0
 685           else :
 686                   if bs == 1 and str[i] != '\\' and str[i] != '"' and str[i] != "'" :
 687                           word += "\\"
 688                   if qs == 0 and (str[i] == " " or str[i] == "\t") :
 689                           if word != "" :
 690                                   result.append(word)
 691                                   word = ""
 692                   else :
 693                           word += str[i]
 694                   bs = 0
 695         if word != "" :
 696                 result.append(word)
 697         return result
 698
 699 def check_regexp(regexp):
 700         try :
 701                 re.compile( regexp )
 702         except Exception, e:
 703                         return str(e)
 704         return False
 705
 706 def check_number(number):
 707         for s in number :
 708                 if not (s in ["1", "2", "3", "4", "5", "6", "7", "8", "9", "0", "+", "*", "#"]) :
 709                         return False
 710         return True
 711
 712 #=============== The widget itself ================
 713
 714 def get_color(logicalcolorname):
 715         settings = gtk.settings_get_default()
 716         color_style = gtk.rc_get_style_by_paths(settings, 'GtkButton', 'osso-logical-colors', gtk.Button)
 717         return color_style.lookup_color(logicalcolorname)
 718
 719 class UssdWidgetPlugin(hildondesktop.HomePluginItem):
 720         def __init__(self):
 721                 hildondesktop.HomePluginItem.__init__(self)
 722
 723                 self.processing = 0
 724                 self.bg_color=gtk.gdk.color_parse('#000000')
 725                 self.text_color=gtk.gdk.color_parse('#ffffff')
 726                 self.error = 0
 727                 self.timeout_version = 0
 728
 729                 colormap = self.get_screen().get_rgba_colormap()
 730                 self.set_colormap (colormap)
 731
 732                 self.controller = USSD_Controller(self)
 733
 734 # TODO Click event would be better
 735                 self.connect("button-press-event", self.controller.ussd_renew)
 736
 737                 self.vbox = gtk.HBox()
 738                 self.add(self.vbox)
 739
 740                 self.set_settings(True)
 741                 self.connect("show-settings", self.controller.on_show_settings)
 742                 self.label = gtk.Label("")
 743
 744                 self.vbox.add(self.label)
 745                 self.vbox.set_child_packing(self.label, False, False, 0, gtk.PACK_START)
 746                 self.label.set_padding(15, 10)
 747                 self.label.set_size_request(-1,-1)
 748                 self.set_size_request(-1,-1)
 749                 self.label.set_line_wrap (True)
 750
 751                 self.vbox.show_all()
 752
 753         def do_show(self):
 754                 config = self.controller.read_config(self.get_applet_id())
 755                 self.set_width(config[5])
 756                 self.set_text(config[9])
 757                 if config[6]:
 758                         self.controller.ussd_renew(self, None)
 759
 760                 self.controller.reset_timed_renew()
 761                 hildondesktop.HomePluginItem.do_show(self)
 762
 763         def error_return (self):
 764                 if self.error == 1 and self.processing == 0:
 765                         self.set_text(self.text)
 766                 return False
 767
 768         # showfor =
 769         #       -1 - This is a permanent text message
 770         #       0  - This is service message, but it shouldn't be hidden automatically
 771         #       >0 - This is service message, show permament message after showfor milliseconds
 772         def set_text(self, text, showfor=-1):
 773                 if showfor > 0 :
 774                         # Show previous text after 5 seconds
 775                         gobject.timeout_add (showfor, self.error_return)
 776                 else :
 777                         if showfor == -1 :
 778                                 self.text = text
 779
 780                 config = self.controller.get_config()
 781                 self.label.set_text(text)
 782
 783         def get_text(self):
 784                 return self.text
 785
 786         def set_width(self, width):
 787                 if width != 0:
 788                         self.label.set_width_chars (width)
 789                 else :
 790                         self.label.set_width_chars(-1)
 791
 792         def set_bg_color(self, color):
 793                 self.bg_color = color
 794
 795         def get_bg_color(self):
 796                 return self.bg_color
 797
 798         def set_text_color(self, color):
 799                 self.label.modify_fg(gtk.STATE_NORMAL, color)
 800                 self.text_color = color
 801
 802         def get_text_color(self):
 803                 return self.text_color
 804
 805         def _expose(self, event):
 806                 cr = self.window.cairo_create()
 807
 808                 # draw rounded rect
 809                 width, height = self.label.allocation[2], self.label.allocation[3]
 810
 811                 #/* a custom shape, that could be wrapped in a function */
 812                 x0 = 0   #/*< parameters like cairo_rectangle */
 813                 y0 = 0
 814
 815                 radius = min(15, width/2, height/2)  #/*< and an approximate curvature radius */
 816
 817                 x1 = x0 + width
 818                 y1 = y0 + height
 819
 820                 cr.move_to  (x0, y0 + radius)
 821                 cr.arc (x0 + radius, y0 + radius, radius, 3.14, 1.5 * 3.14)
 822                 cr.line_to (x1 - radius, y0)
 823                 cr.arc (x1 - radius, y0 + radius, radius, 1.5 * 3.14, 0.0)
 824                 cr.line_to (x1 , y1 - radius)
 825                 cr.arc (x1 - radius, y1 - radius, radius, 0.0, 0.5 * 3.14)
 826                 cr.line_to (x0 + radius, y1)
 827                 cr.arc (x0 + radius, y1 - radius, radius, 0.5 * 3.14, 3.14)
 828
 829                 cr.close_path ()
 830
 831                 fg_color = get_color("ActiveTextColor")
 832
 833                 if self.processing :
 834                         bg_color=fg_color
 835                 else :
 836                         bg_color=self.bg_color
 837
 838                 cr.set_source_rgba (bg_color.red / 65535.0, bg_color.green/65535.0, bg_color.blue/65535.0, 0.7)
 839                 cr.fill_preserve ()
 840
 841                 if self.error :
 842                         cr.set_source_rgba (1.0, 0.0, 0.0, 0.5)
 843                 else :
 844                         cr.set_source_rgba (fg_color.red / 65535.0, fg_color.green / 65535.0, fg_color.blue / 65535.0, 0.7)
 845                 cr.stroke ()
 846
 847         def do_expose_event(self, event):
 848                 self.chain(event)
 849                 self._expose (event)
 850                 self.vbox.do_expose_event (self, event)
 851
 852 hd_plugin_type = UssdWidgetPlugin
 853
 854 # The code below is just for testing purposes.
 855 # It allows to run the widget as a standalone process.
 856 if __name__ == "__main__":
 857         import gobject
 858         gobject.type_register(hd_plugin_type)
 859         obj = gobject.new(hd_plugin_type, plugin_id="plugin_id")
 860         obj.show_all()
 861         gtk.main()