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# Orca
#
# Copyright 2005-2009 Sun Microsystems Inc.
# Copyright 2010-2013 The Orca Team.
#
# 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.

"""Custom script for LibreOffice."""

__id__        = "$Id$"
__version__   = "$Revision$"
__date__      = "$Date$"
__copyright__ = "Copyright (c) 2005-2009 Sun Microsystems Inc." \
                "Copyright (c) 2010-2013 The Orca Team."
__license__   = "LGPL"

import gi
gi.require_version("Atspi", "2.0")
from gi.repository import Atspi
from gi.repository import Gtk

import orca.cmdnames as cmdnames
import orca.debug as debug
import orca.focus_manager as focus_manager
import orca.scripts.default as default
import orca.guilabels as guilabels
import orca.keybindings as keybindings
import orca.input_event as input_event
import orca.messages as messages
import orca.settings_manager as settings_manager
from orca.ax_object import AXObject
from orca.ax_table import AXTable
from orca.ax_text import AXText
from orca.ax_utilities import AXUtilities

from .braille_generator import BrailleGenerator
from .script_utilities import Utilities
from .spellcheck import SpellCheck
from .speech_generator import SpeechGenerator


class Script(default.Script):

    def __init__(self, app):
        """Creates a new script for the given application.

        Arguments:
        - app: the application to create a script for.
        """

        default.Script.__init__(self, app)

        self.speakSpreadsheetCoordinatesCheckButton = None
        self.alwaysSpeakSelectedSpreadsheetRangeCheckButton = None
        self.skipBlankCellsCheckButton = None
        self.speakCellCoordinatesCheckButton = None
        self.speakCellHeadersCheckButton = None
        self.speakCellSpanCheckButton = None

    def getBrailleGenerator(self):
        """Returns the braille generator for this script.
        """
        return BrailleGenerator(self)

    def getSpeechGenerator(self):
        """Returns the speech generator for this script.
        """
        return SpeechGenerator(self)

    def getSpellCheck(self):
        """Returns the spellcheck for this script."""

        return SpellCheck(self)

    def getUtilities(self):
        """Returns the utilities for this script."""

        return Utilities(self)

    def setupInputEventHandlers(self):
        """Defines InputEventHandler fields for this script that can be
        called by the key and braille bindings. In this particular case,
        we just want to be able to add a handler to return the contents of
        the input line.
        """

        default.Script.setupInputEventHandlers(self)
        self.inputEventHandlers["presentInputLineHandler"] = \
            input_event.InputEventHandler(
                Script.presentInputLine,
                cmdnames.PRESENT_INPUT_LINE)

        self.inputEventHandlers["panBrailleLeftHandler"] = \
            input_event.InputEventHandler(
                Script.panBrailleLeft,
                cmdnames.PAN_BRAILLE_LEFT,
                False) # Do not enable learn mode for this action

        self.inputEventHandlers["panBrailleRightHandler"] = \
            input_event.InputEventHandler(
                Script.panBrailleRight,
                cmdnames.PAN_BRAILLE_RIGHT,
                False) # Do not enable learn mode for this action

    def getAppKeyBindings(self):
        """Returns the application-specific keybindings for this script."""

        keyBindings = keybindings.KeyBindings()

        keyBindings.add(
            keybindings.KeyBinding(
                "a",
                keybindings.defaultModifierMask,
                keybindings.ORCA_MODIFIER_MASK,
                self.inputEventHandlers["presentInputLineHandler"]))


        return keyBindings

    def getAppPreferencesGUI(self):
        """Return a GtkGrid containing the application unique configuration
        GUI items for the current application."""

        grid = Gtk.Grid()
        grid.set_border_width(12)

        label = guilabels.SPREADSHEET_SPEAK_CELL_COORDINATES
        value = settings_manager.getManager().getSetting('speakSpreadsheetCoordinates')
        self.speakSpreadsheetCoordinatesCheckButton = \
            Gtk.CheckButton.new_with_mnemonic(label)
        self.speakSpreadsheetCoordinatesCheckButton.set_active(value)
        grid.attach(self.speakSpreadsheetCoordinatesCheckButton, 0, 0, 1, 1)

        label = guilabels.SPREADSHEET_SPEAK_SELECTED_RANGE
        value = settings_manager.getManager().getSetting('alwaysSpeakSelectedSpreadsheetRange')
        self.alwaysSpeakSelectedSpreadsheetRangeCheckButton = \
            Gtk.CheckButton.new_with_mnemonic(label)
        self.alwaysSpeakSelectedSpreadsheetRangeCheckButton.set_active(value)
        grid.attach(self.alwaysSpeakSelectedSpreadsheetRangeCheckButton, 0, 1, 1, 1)

        tableFrame = Gtk.Frame()
        grid.attach(tableFrame, 0, 2, 1, 1)

        label = Gtk.Label(label=f"<b>{guilabels.TABLE_NAVIGATION}</b>")
        label.set_use_markup(True)
        tableFrame.set_label_widget(label)

        tableAlignment = Gtk.Alignment.new(0.5, 0.5, 1, 1)
        tableAlignment.set_padding(0, 0, 12, 0)
        tableFrame.add(tableAlignment)
        tableGrid = Gtk.Grid()
        tableAlignment.add(tableGrid)

        label = guilabels.TABLE_SPEAK_CELL_COORDINATES
        value = settings_manager.getManager().getSetting('speakCellCoordinates')
        self.speakCellCoordinatesCheckButton = \
            Gtk.CheckButton.new_with_mnemonic(label)
        self.speakCellCoordinatesCheckButton.set_active(value)
        tableGrid.attach(self.speakCellCoordinatesCheckButton, 0, 0, 1, 1)

        label = guilabels.TABLE_SPEAK_CELL_SPANS
        value = settings_manager.getManager().getSetting('speakCellSpan')
        self.speakCellSpanCheckButton = \
            Gtk.CheckButton.new_with_mnemonic(label)
        self.speakCellSpanCheckButton.set_active(value)
        tableGrid.attach(self.speakCellSpanCheckButton, 0, 1, 1, 1)

        label = guilabels.TABLE_ANNOUNCE_CELL_HEADER
        value = settings_manager.getManager().getSetting('speakCellHeaders')
        self.speakCellHeadersCheckButton = \
            Gtk.CheckButton.new_with_mnemonic(label)
        self.speakCellHeadersCheckButton.set_active(value)
        tableGrid.attach(self.speakCellHeadersCheckButton, 0, 2, 1, 1)

        label = guilabels.TABLE_SKIP_BLANK_CELLS
        value = settings_manager.getManager().getSetting('skipBlankCells')
        self.skipBlankCellsCheckButton = \
            Gtk.CheckButton.new_with_mnemonic(label)
        self.skipBlankCellsCheckButton.set_active(value)
        tableGrid.attach(self.skipBlankCellsCheckButton, 0, 3, 1, 1)

        spellcheck = self.spellcheck.getAppPreferencesGUI()
        grid.attach(spellcheck, 0, len(grid.get_children()), 1, 1)
        grid.show_all()

        return grid

    def getPreferencesFromGUI(self):
        """Returns a dictionary with the app-specific preferences."""

        prefs = {
            'speakCellSpan':
                self.speakCellSpanCheckButton.get_active(),
            'speakCellHeaders':
                self.speakCellHeadersCheckButton.get_active(),
            'skipBlankCells':
                self.skipBlankCellsCheckButton.get_active(),
            'speakCellCoordinates':
                self.speakCellCoordinatesCheckButton.get_active(),
            'speakSpreadsheetCoordinates':
                self.speakSpreadsheetCoordinatesCheckButton.get_active(),
            'alwaysSpeakSelectedSpreadsheetRange':
                self.alwaysSpeakSelectedSpreadsheetRangeCheckButton.get_active(),
        }

        prefs.update(self.spellcheck.getPreferencesFromGUI())
        return prefs

    def panBrailleLeft(self, inputEvent=None, panAmount=0):
        """In document content, we want to use the panning keys to browse the
        entire document.
        """

        focus = focus_manager.getManager().get_locus_of_focus()
        if self.flatReviewPresenter.is_active() \
           or not self.isBrailleBeginningShowing() \
           or self.utilities.isSpreadSheetCell(focus) \
           or not self.utilities.isTextArea(focus):
            return default.Script.panBrailleLeft(self, inputEvent, panAmount)

        startOffset = AXText.get_line_at_offset(focus)[1]
        if 0 < startOffset:
            AXText.set_caret_offset(focus, startOffset - 1)
            return True

        obj = self.utilities.findPreviousObject(focus)
        if obj is not None:
            focus_manager.getManager().set_locus_of_focus(None, obj, notify_script=False)
            AXText.set_caret_offset_to_end(obj)
            return True

        return default.Script.panBrailleLeft(self, inputEvent, panAmount)

    def panBrailleRight(self, inputEvent=None, panAmount=0):
        """In document content, we want to use the panning keys to browse the
        entire document.
        """

        focus = focus_manager.getManager().get_locus_of_focus()
        if self.flatReviewPresenter.is_active() \
           or not self.isBrailleEndShowing() \
           or self.utilities.isSpreadSheetCell(focus) \
           or not self.utilities.isTextArea(focus):
            return default.Script.panBrailleRight(self, inputEvent, panAmount)

        endOffset = AXText.get_line_at_offset(focus)[2]
        if endOffset < AXText.get_character_count(focus):
            AXText.set_caret_offset(focus, endOffset)
            return True

        obj = self.utilities.findNextObject(focus)
        if obj is not None:
            focus_manager.getManager().set_locus_of_focus(None, obj, notify_script=False)
            AXText.set_caret_offset_to_start(obj)
            return True

        return default.Script.panBrailleRight(self, inputEvent, panAmount)

    def presentInputLine(self, inputEvent):
        """Presents the contents of the input line for the current cell.

        Arguments:
        - inputEvent: if not None, the input event that caused this action.
        """

        focus = focus_manager.getManager().get_locus_of_focus()
        if not self.utilities.isSpreadSheetCell(focus):
            self.presentMessage(messages.SPREADSHEET_NOT_IN_A)
            return True

        text = AXTable.get_cell_formula(focus)
        if not text:
            text = self.utilities.displayedText(focus) or messages.EMPTY

        self.presentMessage(text)
        return True

    def locusOfFocusChanged(self, event, oldLocusOfFocus, newLocusOfFocus):
        """Called when the visual object with focus changes.

        Arguments:
        - event: if not None, the Event that caused the change
        - oldLocusOfFocus: Accessible that is the old locus of focus
        - newLocusOfFocus: Accessible that is the new locus of focus
        """

        # Check to see if this is this is for the find command. See
        # comment #18 of bug #354463.
        #
        if self.findCommandRun and \
           event.type.startswith("object:state-changed:focused"):
            self.findCommandRun = False
            self.find()
            return

        if self.flatReviewPresenter.is_active():
            self.flatReviewPresenter.quit()

        if self.spellcheck.isSuggestionsItem(newLocusOfFocus) \
           and not self.spellcheck.isSuggestionsItem(oldLocusOfFocus):
            self.updateBraille(newLocusOfFocus)
            self.spellcheck.presentSuggestionListItem(includeLabel=True)
            return

        # TODO - JD: Sad hack that wouldn't be needed if LO were fixed.
        # If we are in the slide presentation scroll pane, also announce
        # the current page tab. See bug #538056 for more details.
        #
        rolesList = [Atspi.Role.SCROLL_PANE,
                     Atspi.Role.PANEL,
                     Atspi.Role.PANEL,
                     Atspi.Role.ROOT_PANE,
                     Atspi.Role.FRAME,
                     Atspi.Role.APPLICATION]
        if self.utilities.hasMatchingHierarchy(newLocusOfFocus, rolesList):
            parent = AXObject.get_parent(newLocusOfFocus)
            for child in AXObject.iter_children(parent, AXUtilities.is_page_tab_list):
                for tab in AXObject.iter_children(child, AXUtilities.is_selected):
                    self.presentObject(tab)

        # TODO - JD: This is a hack that needs to be done better. For now it
        # fixes the broken echo previous word on Return.
        elif newLocusOfFocus and oldLocusOfFocus \
           and AXObject.get_role(newLocusOfFocus) == Atspi.Role.PARAGRAPH \
           and AXObject.get_role(oldLocusOfFocus) == Atspi.Role.PARAGRAPH \
           and newLocusOfFocus != oldLocusOfFocus:
            lastKey, mods = self.utilities.lastKeyAndModifiers()
            if lastKey == "Return" and settings_manager.getManager().getSetting('enableEchoByWord'):
                self.echoPreviousWord(oldLocusOfFocus)
                return

            # TODO - JD: And this hack is another one that needs to be done better.
            # But this will get us to speak the entire paragraph when navigation by
            # paragraph has occurred.
            event_string, mods = self.utilities.lastKeyAndModifiers()
            isControlKey = mods & keybindings.CTRL_MODIFIER_MASK
            isShiftKey = mods & keybindings.SHIFT_MODIFIER_MASK
            if event_string in ["Up", "Down"] and isControlKey and not isShiftKey:
                string = self.utilities.displayedText(newLocusOfFocus)
                if string:
                    voice = self.speechGenerator.voice(obj=newLocusOfFocus, string=string)
                    self.speakMessage(string, voice=voice)
                    self.updateBraille(newLocusOfFocus)
                    offset = AXText.get_caret_offset(newLocusOfFocus)
                    self._saveLastCursorPosition(newLocusOfFocus,offset)
                    return

        # Pass the event onto the parent class to be handled in the default way.
        default.Script.locusOfFocusChanged(self, event,
                                           oldLocusOfFocus, newLocusOfFocus)

    def onActiveChanged(self, event):
        """Callback for object:state-changed:active accessibility events."""

        if not AXObject.get_parent(event.source):
            msg = "SOFFICE: Event source lacks parent"
            debug.printMessage(debug.LEVEL_INFO, msg, True)
            return

        # Prevent this events from activating the find operation.
        # See comment #18 of bug #354463.
        if self.findCommandRun:
            return

        default.Script.onActiveChanged(self, event)

    def onActiveDescendantChanged(self, event):
        """Called when an object who manages its own descendants detects a
        change in one of its children.

        Arguments:
        - event: the Event
        """

        focus = focus_manager.getManager().get_locus_of_focus()
        if self.utilities.isSameObject(event.any_data, focus):
            return

        if event.source == self.spellcheck.getSuggestionsList():
            if AXUtilities.is_focused(event.source):
                focus_manager.getManager().set_locus_of_focus(event, event.any_data, False)
                self.updateBraille(focus)
                self.spellcheck.presentSuggestionListItem()
            else:
                self.spellcheck.presentErrorDetails()
            return

        if self.utilities.isSpreadSheetCell(event.any_data) \
           and not AXUtilities.is_focused(event.any_data) \
           and not AXUtilities.is_focused(event.source) :
            msg = "SOFFICE: Neither source nor child have focused state. Clearing cache on table."
            AXObject.clear_cache(event.source, False, msg)

        default.Script.onActiveDescendantChanged(self, event)

    def onChildrenAdded(self, event):
        """Callback for object:children-changed:add accessibility events."""

        if self.utilities.isSpreadSheetCell(event.any_data):
            focus_manager.getManager().set_locus_of_focus(event, event.any_data)
            return

        AXObject.clear_cache_now("children-changed event.")
        if AXUtilities.is_table_related(event.source):
            AXTable.clear_cache_now("children-changed event.")

        if AXTable.is_last_cell(event.any_data):
            activeRow = self.pointOfReference.get('lastRow', -1)
            activeCol = self.pointOfReference.get('lastColumn', -1)
            if activeRow < 0 or activeCol < 0:
                return

            if focus_manager.getManager().focus_is_dead():
                focus_manager.getManager().set_locus_of_focus(event, event.source, False)

            self.utilities.handleUndoTextEvent(event)
            rowCount = AXTable.get_row_count(event.source)
            if activeRow == rowCount:
                full = messages.TABLE_ROW_DELETED_FROM_END
                brief = messages.TABLE_ROW_DELETED
            else:
                full = messages.TABLE_ROW_INSERTED_AT_END
                brief = messages.TABLE_ROW_INSERTED
            self.presentMessage(full, brief)
            return

        default.Script.onChildrenAdded(self, event)

    def onFocus(self, event):
        """Callback for focus: accessibility events."""

        # NOTE: This event type is deprecated and Orca should no longer use it.
        # This callback remains just to handle bugs in applications and toolkits
        # during the remainder of the unstable (3.11) development cycle.

        focus = focus_manager.getManager().get_locus_of_focus()
        if self.utilities.isSameObject(focus, event.source):
            return

        if self.utilities.isFocusableLabel(event.source):
            focus_manager.getManager().set_locus_of_focus(event, event.source)
            return

        role = AXObject.get_role(event.source)

        if role in [Atspi.Role.TEXT, Atspi.Role.LIST]:
            comboBox = self.utilities.containingComboBox(event.source)
            if comboBox:
                focus_manager.getManager().set_locus_of_focus(event, comboBox, True)
                return

        # This seems to be something we inherit from Gtk+
        if role in [Atspi.Role.TEXT, Atspi.Role.PASSWORD_TEXT]:
            focus_manager.getManager().set_locus_of_focus(event, event.source)
            return

        # Ditto.
        if role == Atspi.Role.PUSH_BUTTON:
            focus_manager.getManager().set_locus_of_focus(event, event.source)
            return

        # Ditto.
        if role == Atspi.Role.TOGGLE_BUTTON:
            focus_manager.getManager().set_locus_of_focus(event, event.source)
            return

        # Ditto.
        if role == Atspi.Role.COMBO_BOX:
            focus_manager.getManager().set_locus_of_focus(event, event.source)
            return

        # Ditto.
        if role == Atspi.Role.PANEL and AXObject.get_name(event.source):
            focus_manager.getManager().set_locus_of_focus(event, event.source)
            return

    def onFocusedChanged(self, event):
        """Callback for object:state-changed:focused accessibility events."""

        if self._inSayAll:
            return

        if self.tableNavigator.last_input_event_was_navigation_command():
            msg = "SOFFICE: Event ignored: Last input event was table navigation."
            debug.printMessage(debug.LEVEL_INFO, msg, True)

        if not event.detail1:
            return

        role = AXObject.get_role(event.source)
        if role in [Atspi.Role.TEXT, Atspi.Role.LIST]:
            comboBox = self.utilities.containingComboBox(event.source)
            if comboBox:
                focus_manager.getManager().set_locus_of_focus(event, comboBox, True)
                return

        parent = AXObject.get_parent(event.source)
        if parent and AXObject.get_role(parent) == Atspi.Role.TOOL_BAR:
            default.Script.onFocusedChanged(self, event)
            return

        # TODO - JD: Verify this is still needed
        ignoreRoles = [Atspi.Role.FILLER, Atspi.Role.PANEL]
        if role in ignoreRoles:
            return

        # We will present this when the selection changes.
        if role == Atspi.Role.MENU:
            return

        if self.utilities._flowsFromOrToSelection(event.source):
            return

        if role == Atspi.Role.PARAGRAPH:
            obj, offset = self.pointOfReference.get("lastCursorPosition", (None, -1))
            start, end, string = self.utilities.getCachedTextSelection(obj)
            if start != end:
                return

            keyString, mods = self.utilities.lastKeyAndModifiers()
            if keyString in ["Left", "Right"]:
                focus_manager.getManager().set_locus_of_focus(event, event.source, False)
                return

        if self.utilities.isSpreadSheetTable(event.source):
            if focus_manager.getManager().focus_is_dead():
                msg = "SOFFICE: Event believed to be post-editing focus claim."
                debug.printMessage(debug.LEVEL_INFO, msg, True)
                focus_manager.getManager().set_locus_of_focus(event, event.source, False)
                return

            focus = focus_manager.getManager().get_locus_of_focus()
            if AXUtilities.is_paragraph(focus) or AXUtilities.is_table_cell(focus):
                msg = "SOFFICE: Event believed to be post-editing focus claim based on role."
                debug.printMessage(debug.LEVEL_INFO, msg, True)
                focus_manager.getManager().set_locus_of_focus(event, event.source, False)
                return

        default.Script.onFocusedChanged(self, event)

    def onCaretMoved(self, event):
        """Callback for object:text-caret-moved accessibility events."""

        if event.detail1 == -1:
            return

        if AXObject.get_role(event.source) == Atspi.Role.PARAGRAPH \
           and not AXUtilities.is_focused(event.source):
            # TODO - JD: Can we remove this?
            AXObject.clear_cache(event.source,
                                 False,
                                 "Caret-moved event from object which lacks focused state.")
            if AXUtilities.is_focused(event.source):
                msg = "SOFFICE: Clearing cache was needed due to missing state-changed event."
                debug.printMessage(debug.LEVEL_INFO, msg, True)

        if self.utilities._flowsFromOrToSelection(event.source):
           return

        if self.tableNavigator.last_input_event_was_navigation_command():
            msg = "SOFFICE: Event ignored: Last input event was table navigation."
            debug.printMessage(debug.LEVEL_INFO, msg, True)
            return

        if self.utilities.isSpreadSheetCell(focus_manager.getManager().get_locus_of_focus()):
            if not self.utilities.isCellBeingEdited(event.source):
                msg = "SOFFICE: Event ignored: Source is not cell being edited."
                debug.printMessage(debug.LEVEL_INFO, msg, True)
                return

        super().onCaretMoved(event)

    def onCheckedChanged(self, event):
        """Callback for object:state-changed:checked accessibility events."""

        obj = event.source
        role = AXObject.get_role(obj)
        parentRole = AXObject.get_role(AXObject.get_parent(obj))
        if role not in [Atspi.Role.TOGGLE_BUTTON, Atspi.Role.PUSH_BUTTON] \
           or not parentRole == Atspi.Role.TOOL_BAR:
            default.Script.onCheckedChanged(self, event)
            return

        sourceWindow = self.utilities.topLevelObject(obj)
        focusWindow = self.utilities.topLevelObject(focus_manager.getManager().get_locus_of_focus())
        if sourceWindow != focusWindow:
            return

        # Announce when the toolbar buttons are toggled if we just toggled
        # them; not if we navigated to some text.
        weToggledIt = False
        if AXUtilities.is_focused(obj):
            weToggledIt = True
        else:
            keyString, mods = self.utilities.lastKeyAndModifiers()
            navKeys = ["Up", "Down", "Left", "Right", "Page_Up", "Page_Down",
                       "Home", "End", "N"]
            wasCommand = mods & keybindings.COMMAND_MODIFIER_MASK
            weToggledIt = wasCommand and keyString not in navKeys
        if weToggledIt:
            self.presentObject(obj, alreadyFocused=True, interrupt=True)

    def onSelectedChanged(self, event):
        """Callback for object:state-changed:selected accessibility events."""

        full, brief = "", ""
        if self.utilities.isSelectedTextDeletionEvent(event):
            msg = "SOFFICE: Change is believed to be due to deleting selected text"
            debug.printMessage(debug.LEVEL_INFO, msg, True)
            full = messages.SELECTION_DELETED
        elif self.utilities.isSelectedTextRestoredEvent(event):
            msg = "SOFFICE: Selection is believed to be due to restoring selected text"
            debug.printMessage(debug.LEVEL_INFO, msg, True)
            if self.utilities.handleUndoTextEvent(event):
                full = messages.SELECTION_RESTORED

        if full or brief:
            self.presentMessage(full, brief)
            self.utilities.updateCachedTextSelection(event.source)
            return

        super().onSelectedChanged(event)

    def onSelectionChanged(self, event):
        """Callback for object:selection-changed accessibility events."""

        if self.utilities.isSpreadSheetTable(event.source):
            if settings_manager.getManager().getSetting('onlySpeakDisplayedText'):
                return
            if settings_manager.getManager().getSetting('alwaysSpeakSelectedSpreadsheetRange'):
                self.utilities.speakSelectedCellRange(event.source)
                return
            if self.utilities.handleRowAndColumnSelectionChange(event.source):
                return
            self.utilities.handleCellSelectionChange(event.source)
            return

        if event.source == self.spellcheck.getSuggestionsList():
            if focus_manager.getManager().focus_is_active_window():
                msg = "SOFFICE: Not presenting because locusOfFocus is window"
                debug.printMessage(debug.LEVEL_INFO, msg, True)
            elif AXUtilities.is_focused(event.source):
                focus_manager.getManager().set_locus_of_focus(event, event.any_data, False)
                self.updateBraille(event.any_data)
                self.spellcheck.presentSuggestionListItem()
            else:
                self.spellcheck.presentErrorDetails()
            return

        if not self.utilities.isComboBoxSelectionChange(event):
            super().onSelectionChanged(event)
            return

        selectedChildren = self.utilities.selectedChildren(event.source)
        if len(selectedChildren) == 1 \
           and self.utilities.containingComboBox(event.source) == \
               self.utilities.containingComboBox(focus_manager.getManager().get_locus_of_focus()):
            focus_manager.getManager().set_locus_of_focus(event, selectedChildren[0], True)

    def onTextSelectionChanged(self, event):
        """Callback for object:text-selection-changed accessibility events."""

        if self.utilities.isComboBoxNoise(event):
            msg = "SOFFICE: Event is believed to be combo box noise"
            debug.printMessage(debug.LEVEL_INFO, msg, True)
            return

        if AXObject.is_dead(event.source):
            msg = "SOFFICE: Ignoring event from dead source."
            debug.printMessage(debug.LEVEL_INFO, msg, True)
            return

        super().onTextSelectionChanged(event)

    def getTextLineAtCaret(self, obj, offset=None, startOffset=None, endOffset=None):
        """To-be-removed. Returns the string, caretOffset, startOffset."""

        if AXObject.get_role(AXObject.get_parent(obj)) == Atspi.Role.COMBO_BOX:
            if AXText.get_caret_offset(obj) < 0:
                lineString, startOffset, endOffset = AXText.get_line_at_offset(obj, 0)

                # Sometimes we get the trailing line-feed -- remove it
                #
                if lineString[-1:] == "\n":
                    lineString = lineString[:-1]

                return [lineString, 0, startOffset]

        textLine = super().getTextLineAtCaret(obj, offset, startOffset, endOffset)
        if not AXUtilities.is_focused(obj):
            textLine[0] = self.utilities.displayedText(obj)

        return textLine

    def onWindowActivated(self, event):
        """Callback for window:activate accessibility events."""

        super().onWindowActivated(event)
        if not self.spellcheck.isCheckWindow(event.source):
            return

        child = AXObject.get_child(event.source, 0)
        if AXObject.get_role(child) == Atspi.Role.DIALOG:
            focus_manager.getManager().set_locus_of_focus(event, child, False)

        self.spellcheck.presentErrorDetails()

    def onWindowDeactivated(self, event):
        """Callback for window:deactivate accessibility events."""

        super().onWindowDeactivated(event)
        self.spellcheck.deactivate()

Zerion Mini Shell 1.0