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Direktori : /usr/lib/python3/dist-packages/orca/ |
Current File : //usr/lib/python3/dist-packages/orca/spellcheck.py |
# Orca # # Copyright 2014 Igalia, S.L. # # Author: Joanmarie Diggs <jdiggs@igalia.com> # # This library is free software; you can redistribute it and/or # modify it under the terms of the GNU Lesser General Public # License as published by the Free Software Foundation; either # version 2.1 of the License, or (at your option) any later version. # # This library is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU # Lesser General Public License for more details. # # You should have received a copy of the GNU Lesser General Public # License along with this library; if not, write to the # Free Software Foundation, Inc., Franklin Street, Fifth Floor, # Boston MA 02110-1301 USA. """Script-customizable support for application spellcheckers.""" __id__ = "$Id$" __version__ = "$Revision$" __date__ = "$Date$" __copyright__ = "Copyright (c) 2014 Igalia, S.L." __license__ = "LGPL" import re from orca import debug from orca import focus_manager from orca import guilabels from orca import messages from orca import object_properties from orca import settings_manager from orca.ax_object import AXObject from orca.ax_text import AXText from orca.ax_utilities import AXUtilities class SpellCheck: def __init__(self, script, hasChangeToEntry=True): self._script = script self._hasChangeToEntry = hasChangeToEntry self._window = None self._errorWidget = None self._changeToEntry = None self._suggestionsList = None self._activated = False self._documentPosition = None, -1 self.spellErrorCheckButton = None self.spellSuggestionCheckButton = None self.presentContextCheckButton = None def activate(self, window): tokens = ["SPELL CHECK: Attempting activation for", window] debug.printTokens(debug.LEVEL_INFO, tokens, True) if not self._isCandidateWindow(window): tokens = ["SPELL CHECK:", window, "is not spellcheck window"] debug.printTokens(debug.LEVEL_INFO, tokens, True) return False if self._hasChangeToEntry: self._changeToEntry = self._findChangeToEntry(window) if not self._changeToEntry: msg = 'SPELL CHECK: Change-to entry not found' debug.printMessage(debug.LEVEL_INFO, msg, True) return False self._errorWidget = self._findErrorWidget(window) if not self._errorWidget: msg = 'SPELL CHECK: Error widget not found' debug.printMessage(debug.LEVEL_INFO, msg, True) return False self._suggestionsList = self._findSuggestionsList(window) if not self._suggestionsList: msg = 'SPELL CHECK: Suggestions list not found' debug.printMessage(debug.LEVEL_INFO, msg, True) return False self._window = window self._activated = True msg = 'SPELL CHECK: Activation complete' debug.printMessage(debug.LEVEL_INFO, msg, True) return True def deactivate(self): self._clearState() def getDocumentPosition(self): return self._documentPosition def setDocumentPosition(self, obj, offset): self._documentPosition = obj, offset def getErrorWidget(self): return self._errorWidget def getMisspelledWord(self): if not self._errorWidget: return "" return self._script.utilities.displayedText(self._errorWidget) def getCompletionMessage(self): if not self._errorWidget: return "" return self._script.utilities.displayedText(self._errorWidget) def getChangeToEntry(self): return self._changeToEntry def getSuggestionsList(self): return self._suggestionsList def isActive(self): return self._activated def isCheckWindow(self, window): if window and window == self._window: return True return self.activate(window) def isComplete(self): return not AXUtilities.is_sensitive(self._changeToEntry) def isAutoFocusEvent(self, event): return False def isSuggestionsItem(self, obj): if not self._suggestionsList: return False return obj and AXObject.get_parent(obj) == self._suggestionsList def presentContext(self): if not self.isActive(): return False obj, offset = self._documentPosition if not (obj and offset >= 0): return False # This should work, but some toolkits are broken. string = AXText.get_sentence_at_offset(obj, offset)[0] if not string: string = AXText.get_line_at_offset(obj, offset)[0] sentences = re.split(r'(?:\.|\!|\?)', string) word = self.getMisspelledWord() if string.count(word) == 1: match = list(filter(lambda x: x.count(word), sentences)) string = match[0] if not string: return False msg = messages.MISSPELLED_WORD_CONTEXT % string voice = self._script.speechGenerator.voice(string=msg) self._script.speakMessage(msg, voice=voice) return True def presentCompletionMessage(self): if not (self.isActive() and self.isComplete()): return False self._script.clearBraille() msg = self.getCompletionMessage() voice = self._script.speechGenerator.voice(string=msg) self._script.presentMessage(msg, voice=voice) return True def presentErrorDetails(self, detailed=False): if self.isComplete(): return False if self.presentMistake(detailed): self.presentSuggestion(detailed) if detailed or settings_manager.getManager().getSetting('spellcheckPresentContext'): self.presentContext() return True return False def presentMistake(self, detailed=False): if not self.isActive(): return False word = self.getMisspelledWord() if not word: return False msg = messages.MISSPELLED_WORD % word voice = self._script.speechGenerator.voice(string=msg) self._script.speakMessage(msg, voice=voice) if detailed or settings_manager.getManager().getSetting('spellcheckSpellError'): self._script.spellCurrentItem(word) return True def presentSuggestion(self, detailed=False): if not self._hasChangeToEntry: return self.presentSuggestionListItem(detailed, includeLabel=True) if not self.isActive(): return False entry = self._changeToEntry if not entry: return False label = self._script.utilities.displayedLabel(entry) or AXObject.get_name(entry) string = self._script.utilities.substring(entry, 0, -1) msg = f"{label} {string}" voice = self._script.speechGenerator.voice(string=msg) self._script.speakMessage(msg, voice=voice) if detailed or settings_manager.getManager().getSetting('spellcheckSpellSuggestion'): self._script.spellCurrentItem(string) return True def presentSuggestionListItem(self, detailed=False, includeLabel=False): if not self.isActive(): return False suggestions = self._suggestionsList if not suggestions: return False items = self._script.utilities.selectedChildren(suggestions) if not len(items) == 1: return False if includeLabel: label = self._script.utilities.displayedLabel(suggestions) \ or AXObject.get_name(suggestions) else: label = "" string = AXObject.get_name(items[0]) msg = f"{label} {string}" voice = self._script.speechGenerator.voice(string=msg) self._script.speakMessage(msg.strip(), voice=voice) if detailed or settings_manager.getManager().getSetting('spellcheckSpellSuggestion'): self._script.spellCurrentItem(string) if settings_manager.getManager().getSetting('enablePositionSpeaking') \ and items[0] == focus_manager.getManager().get_locus_of_focus(): index, total = self._getSuggestionIndexAndPosition(items[0]) msg = object_properties.GROUP_INDEX_SPEECH % {"index": index, "total": total} self._script.speakMessage(msg) return True def _clearState(self): self._window = None self._errorWidget = None self._changeToEntry = None self._suggestionsList = None self._activated = False def _isCandidateWindow(self, window): return False def _findChangeToEntry(self, root): return None def _findErrorWidget(self, root): return None def _findSuggestionsList(self, root): return None def _getSuggestionIndexAndPosition(self, suggestion): return -1, -1 def getAppPreferencesGUI(self): from gi.repository import Gtk frame = Gtk.Frame() label = Gtk.Label(label=f"<b>{guilabels.SPELL_CHECK}</b>") label.set_use_markup(True) frame.set_label_widget(label) alignment = Gtk.Alignment.new(0.5, 0.5, 1, 1) alignment.set_padding(0, 0, 12, 0) frame.add(alignment) grid = Gtk.Grid() alignment.add(grid) label = guilabels.SPELL_CHECK_SPELL_ERROR value = settings_manager.getManager().getSetting('spellcheckSpellError') self.spellErrorCheckButton = Gtk.CheckButton.new_with_mnemonic(label) self.spellErrorCheckButton.set_active(value) grid.attach(self.spellErrorCheckButton, 0, 0, 1, 1) label = guilabels.SPELL_CHECK_SPELL_SUGGESTION value = settings_manager.getManager().getSetting('spellcheckSpellSuggestion') self.spellSuggestionCheckButton = Gtk.CheckButton.new_with_mnemonic(label) self.spellSuggestionCheckButton.set_active(value) grid.attach(self.spellSuggestionCheckButton, 0, 1, 1, 1) label = guilabels.SPELL_CHECK_PRESENT_CONTEXT value = settings_manager.getManager().getSetting('spellcheckPresentContext') self.presentContextCheckButton = Gtk.CheckButton.new_with_mnemonic(label) self.presentContextCheckButton.set_active(value) grid.attach(self.presentContextCheckButton, 0, 2, 1, 1) return frame def getPreferencesFromGUI(self): """Returns a dictionary with the app-specific preferences.""" return { 'spellcheckSpellError': self.spellErrorCheckButton.get_active(), 'spellcheckSpellSuggestion': self.spellSuggestionCheckButton.get_active(), 'spellcheckPresentContext': self.presentContextCheckButton.get_active() }