Current File : //usr/lib/python3/dist-packages/orca/where_am_i_presenter.py
# Orca
#
# Copyright 2005-2008 Sun Microsystems Inc.
# Copyright 2016-2023 Igalia, S.L.
#
# 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.
"""Module for commands related to the current accessible object."""
__id__ = "$Id$"
__version__ = "$Revision$"
__date__ = "$Date$"
__copyright__ = "Copyright (c) 2005-2008 Sun Microsystems Inc." \
"Copyright (c) 2016-2023 Igalia, S.L."
__license__ = "LGPL"
from . import cmdnames
from . import debug
from . import focus_manager
from . import input_event
from . import keybindings
from . import messages
from . import settings_manager
from .ax_component import AXComponent
from .ax_object import AXObject
from .ax_text import AXText
from .ax_utilities import AXUtilities
class WhereAmIPresenter:
"""Module for commands related to the current accessible object."""
def __init__(self):
self._handlers = self.get_handlers(True)
self._desktop_bindings = keybindings.KeyBindings()
self._laptop_bindings = keybindings.KeyBindings()
def get_bindings(self, refresh=False, is_desktop=True):
"""Returns the where-am-i-presenter keybindings."""
if refresh:
msg = "WHERE AM I PRESENTER: Refreshing bindings."
debug.printMessage(debug.LEVEL_INFO, msg, True)
self._setup_bindings()
elif is_desktop and self._desktop_bindings.isEmpty():
self._setup_bindings()
elif not is_desktop and self._laptop_bindings.isEmpty():
self._setup_bindings()
if is_desktop:
return self._desktop_bindings
return self._laptop_bindings
def get_handlers(self, refresh=False):
"""Returns the where-am-i-presenter handlers."""
if refresh:
msg = "WHERE AM I PRESENTER: Refreshing handlers."
debug.printMessage(debug.LEVEL_INFO, msg, True)
self._setup_handlers()
return self._handlers
def _setup_bindings(self):
"""Sets up the where-am-i-presenter key bindings."""
self._setup_desktop_bindings()
self._setup_laptop_bindings()
def _setup_handlers(self):
"""Sets up the where-am-i-presenter input event handlers."""
self._handlers = {}
self._handlers["readCharAttributesHandler"] = \
input_event.InputEventHandler(
self.present_character_attributes,
cmdnames.READ_CHAR_ATTRIBUTES)
self._handlers["presentSizeAndPositionHandler"] = \
input_event.InputEventHandler(
self.present_size_and_position,
cmdnames.PRESENT_SIZE_AND_POSITION)
self._handlers["getTitleHandler"] = \
input_event.InputEventHandler(
self.present_title,
cmdnames.PRESENT_TITLE)
self._handlers["getStatusBarHandler"] = \
input_event.InputEventHandler(
self.present_status_bar,
cmdnames.PRESENT_STATUS_BAR)
self._handlers["present_default_button"] = \
input_event.InputEventHandler(
self.present_default_button,
cmdnames.PRESENT_DEFAULT_BUTTON)
self._handlers["whereAmIBasicHandler"] = \
input_event.InputEventHandler(
self.where_am_i_basic,
cmdnames.WHERE_AM_I_BASIC)
self._handlers["whereAmIDetailedHandler"] = \
input_event.InputEventHandler(
self.where_am_i_detailed,
cmdnames.WHERE_AM_I_DETAILED)
self._handlers["whereAmILinkHandler"] = \
input_event.InputEventHandler(
self.present_link,
cmdnames.WHERE_AM_I_LINK)
self._handlers["whereAmISelectionHandler"] = \
input_event.InputEventHandler(
self.present_selection,
cmdnames.WHERE_AM_I_SELECTION)
msg = "WHERE AM I PRESENTER: Handlers set up."
debug.printMessage(debug.LEVEL_INFO, msg, True)
def _setup_desktop_bindings(self):
"""Sets up the where-am-i-presenter desktop key bindings."""
self._desktop_bindings = keybindings.KeyBindings()
self._desktop_bindings.add(
keybindings.KeyBinding(
"f",
keybindings.defaultModifierMask,
keybindings.ORCA_MODIFIER_MASK,
self._handlers.get("readCharAttributesHandler")))
self._desktop_bindings.add(
keybindings.KeyBinding(
"e",
keybindings.defaultModifierMask,
keybindings.ORCA_MODIFIER_MASK,
self._handlers.get("present_default_button")))
self._desktop_bindings.add(
keybindings.KeyBinding(
"",
keybindings.defaultModifierMask,
keybindings.NO_MODIFIER_MASK,
self._handlers.get("presentSizeAndPositionHandler")))
self._desktop_bindings.add(
keybindings.KeyBinding(
"KP_Enter",
keybindings.defaultModifierMask,
keybindings.ORCA_MODIFIER_MASK,
self._handlers.get("getTitleHandler"),
1))
self._desktop_bindings.add(
keybindings.KeyBinding(
"KP_Enter",
keybindings.defaultModifierMask,
keybindings.ORCA_MODIFIER_MASK,
self._handlers.get("getStatusBarHandler"),
2))
self._desktop_bindings.add(
keybindings.KeyBinding(
"KP_Enter",
keybindings.defaultModifierMask,
keybindings.NO_MODIFIER_MASK,
self._handlers.get("whereAmIBasicHandler"),
1))
self._desktop_bindings.add(
keybindings.KeyBinding(
"KP_Enter",
keybindings.defaultModifierMask,
keybindings.NO_MODIFIER_MASK,
self._handlers.get("whereAmIDetailedHandler"),
2))
self._desktop_bindings.add(
keybindings.KeyBinding(
"",
keybindings.defaultModifierMask,
keybindings.NO_MODIFIER_MASK,
self._handlers.get("whereAmILinkHandler")))
self._desktop_bindings.add(
keybindings.KeyBinding(
"Up",
keybindings.defaultModifierMask,
keybindings.ORCA_SHIFT_MODIFIER_MASK,
self._handlers.get("whereAmISelectionHandler")))
msg = "WHERE AM I PRESENTER: Desktop bindings set up."
debug.printMessage(debug.LEVEL_INFO, msg, True)
def _setup_laptop_bindings(self):
"""Sets up the where-am-i-presenter laptop key bindings."""
self._laptop_bindings = keybindings.KeyBindings()
self._laptop_bindings.add(
keybindings.KeyBinding(
"f",
keybindings.defaultModifierMask,
keybindings.ORCA_MODIFIER_MASK,
self._handlers.get("readCharAttributesHandler")))
self._laptop_bindings.add(
keybindings.KeyBinding(
"e",
keybindings.defaultModifierMask,
keybindings.ORCA_MODIFIER_MASK,
self._handlers.get("present_default_button")))
self._laptop_bindings.add(
keybindings.KeyBinding(
"",
keybindings.defaultModifierMask,
keybindings.NO_MODIFIER_MASK,
self._handlers.get("presentSizeAndPositionHandler")))
self._laptop_bindings.add(
keybindings.KeyBinding(
"slash",
keybindings.defaultModifierMask,
keybindings.ORCA_MODIFIER_MASK,
self._handlers.get("getTitleHandler"),
1))
self._laptop_bindings.add(
keybindings.KeyBinding(
"slash",
keybindings.defaultModifierMask,
keybindings.ORCA_MODIFIER_MASK,
self._handlers.get("getStatusBarHandler"),
2))
self._laptop_bindings.add(
keybindings.KeyBinding(
"Return",
keybindings.defaultModifierMask,
keybindings.ORCA_MODIFIER_MASK,
self._handlers.get("whereAmIBasicHandler"),
1))
self._laptop_bindings.add(
keybindings.KeyBinding(
"Return",
keybindings.defaultModifierMask,
keybindings.ORCA_MODIFIER_MASK,
self._handlers.get("whereAmIDetailedHandler"),
2))
self._laptop_bindings.add(
keybindings.KeyBinding(
"",
keybindings.defaultModifierMask,
keybindings.NO_MODIFIER_MASK,
self._handlers.get("whereAmILinkHandler")))
self._laptop_bindings.add(
keybindings.KeyBinding(
"Up",
keybindings.defaultModifierMask,
keybindings.ORCA_SHIFT_MODIFIER_MASK,
self._handlers.get("whereAmISelectionHandler")))
msg = "WHERE AM I PRESENTER: Laptop bindings set up."
debug.printMessage(debug.LEVEL_INFO, msg, True)
def present_character_attributes(self, script, event=None):
"""Presents the font and formatting details for the current character."""
focus = focus_manager.getManager().get_locus_of_focus()
attrs = AXText.get_text_attributes_at_offset(focus)[0]
# Get a dictionary of text attributes that the user cares about.
[user_attr_list, user_attr_dict] = script.utilities.stringToKeysAndDict(
settings_manager.getManager().getSetting('enabledSpokenTextAttributes'))
null_values = ['0', '0mm', 'none', 'false']
for key in user_attr_list:
# Convert the standard key into the non-standard implementor variant.
app_key = script.utilities.getAppNameForAttribute(key)
value = attrs.get(app_key)
ignore_if_value = user_attr_dict.get(key)
if value in null_values and ignore_if_value in null_values:
continue
if value and value != ignore_if_value:
script.speakMessage(script.utilities.localizeTextAttribute(key, value))
return True
def present_size_and_position(self, script, event=None):
"""Presents the size and position of the current object."""
if script.flatReviewPresenter.is_active():
obj = script.flatReviewPresenter.get_current_object(script, event)
else:
obj = focus_manager.getManager().get_locus_of_focus()
rect = AXComponent.get_rect(obj)
if AXComponent.is_empty_rect(rect):
full = messages.LOCATION_NOT_FOUND_FULL
brief = messages.LOCATION_NOT_FOUND_BRIEF
script.presentMessage(full, brief)
return True
full = messages.SIZE_AND_POSITION_FULL % (rect.width, rect.height, rect.x, rect.y)
brief = messages.SIZE_AND_POSITION_BRIEF % (rect.width, rect.height, rect.x, rect.y)
script.presentMessage(full, brief)
return True
def present_title(self, script, event=None):
"""Presents the title of the current window."""
obj = focus_manager.getManager().get_locus_of_focus()
if AXObject.is_dead(obj):
obj = focus_manager.getManager().get_active_window()
if obj is None or AXObject.is_dead(obj):
script.presentMessage(messages.LOCATION_NOT_FOUND_FULL)
return True
title = script.speechGenerator.generateTitle(obj)
for (string, voice) in title:
script.presentMessage(string, voice=voice)
return True
def _present_default_button(self, script, event=None, dialog=None, error_messages=True):
"""Presents the default button of the current dialog."""
obj = focus_manager.getManager().get_locus_of_focus()
frame, dialog = script.utilities.frameAndDialog(obj)
if dialog is None:
if error_messages:
script.presentMessage(messages.DIALOG_NOT_IN_A)
return True
button = AXUtilities.get_default_button(dialog)
if button is None:
if error_messages:
script.presentMessage(messages.DEFAULT_BUTTON_NOT_FOUND)
return True
name = AXObject.get_name(button)
if not AXUtilities.is_sensitive(button):
script.presentMessage(messages.DEFAULT_BUTTON_IS_GRAYED % name)
return True
script.presentMessage(messages.DEFAULT_BUTTON_IS % name)
return True
def present_status_bar(self, script, event=None):
"""Presents the status bar of the current window."""
obj = focus_manager.getManager().get_locus_of_focus()
frame, dialog = script.utilities.frameAndDialog(obj)
if frame:
statusbar = AXUtilities.get_status_bar(frame)
if statusbar:
script.pointOfReference['statusBarItems'] = None
script.presentObject(statusbar, interrupt=True)
script.pointOfReference['statusBarItems'] = None
else:
full = messages.STATUS_BAR_NOT_FOUND_FULL
brief = messages.STATUS_BAR_NOT_FOUND_BRIEF
script.presentMessage(full, brief)
infobar = script.utilities.infoBar(frame)
if infobar:
script.presentObject(infobar, interrupt=statusbar is None)
# TODO - JD: Pending user feedback, this should be removed.
if dialog:
self._present_default_button(script, event, dialog, False)
return True
def present_default_button(self, script, event=None):
"""Presents the default button of the current window."""
return self._present_default_button(script, event)
def present_link(self, script, event=None, link=None):
"""Presents details about the current link."""
link = link or focus_manager.getManager().get_locus_of_focus()
if not script.utilities.isLink(link):
script.presentMessage(messages.NOT_ON_A_LINK)
return True
return self._do_where_am_i(script, event, True, link)
def present_selected_text(self, script, event=None, obj=None):
"""Presents the selected text."""
obj = obj or focus_manager.getManager().get_locus_of_focus()
if obj is None:
script.speakMessage(messages.LOCATION_NOT_FOUND_FULL)
return True
text = script.utilities.allSelectedText(obj)[0]
if not text:
script.speakMessage(messages.NO_SELECTED_TEXT)
return True
if script.utilities.shouldVerbalizeAllPunctuation(obj):
text = script.utilities.verbalizeAllPunctuation(text)
msg = messages.SELECTED_TEXT_IS % text
script.speakMessage(msg)
return True
def present_selection(self, script, event=None, obj=None):
"""Presents the selected text or selected objects."""
obj = obj or focus_manager.getManager().get_locus_of_focus()
if obj is None:
script.speakMessage(messages.LOCATION_NOT_FOUND_FULL)
return True
tokens = ["WHERE AM I PRESENTER: presenting selection for", obj]
debug.printTokens(debug.LEVEL_INFO, tokens, True)
spreadsheet = AXObject.find_ancestor(obj, script.utilities.isSpreadSheetTable)
if spreadsheet is not None and script.utilities.speakSelectedCellRange(spreadsheet):
return True
container = script.utilities.getSelectionContainer(obj)
if container is None:
tokens = ["WHERE AM I PRESENTER: Selection container not found for", obj]
debug.printTokens(debug.LEVEL_INFO, tokens, True)
return self.present_selected_text(script, event, obj)
selected_count = script.utilities.selectedChildCount(container)
child_count = script.utilities.selectableChildCount(container)
script.presentMessage(messages.selectedItemsCount(selected_count, child_count))
if not selected_count:
return True
selected_items = script.utilities.selectedChildren(container)
item_names = ",".join(map(AXObject.get_name, selected_items))
script.speakMessage(item_names)
return True
def _do_where_am_i(self, script, event=None, basic_only=True, obj=None):
"""Presents details about the current location at the specified level."""
if script.spellcheck and script.spellcheck.isActive():
script.spellcheck.presentErrorDetails(not basic_only)
if obj is None:
obj = focus_manager.getManager().get_locus_of_focus()
if AXObject.is_dead(obj):
obj = focus_manager.getManager().get_active_window()
if obj is None or AXObject.is_dead(obj):
script.presentMessage(messages.LOCATION_NOT_FOUND_FULL)
return True
if basic_only:
format_type = 'basicWhereAmI'
else:
format_type = 'detailedWhereAmI'
script.presentObject(
script.utilities.realActiveAncestor(obj),
alreadyFocused=True,
formatType=format_type,
forceMnemonic=True,
forceList=True,
forceTutorial=True,
speechOnly=True)
return True
def where_am_i_basic(self, script, event=None):
"""Presents basic information about the current location."""
return self._do_where_am_i(script, event)
def where_am_i_detailed(self, script, event=None):
"""Presents detailed information about the current location."""
# TODO - JD: For some reason, we are starting the basic where am I
# in response to the first click. Then we do the detailed one in
# response to the second click. Until that's fixed, interrupt the
# first one.
script.presentationInterrupt()
return self._do_where_am_i(script, event, False)
_presenter = WhereAmIPresenter()
def getPresenter():
"""Returns the Where Am I Presenter"""
return _presenter
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