%PDF- %PDF-
Direktori : /usr/lib/python3/dist-packages/orca/scripts/toolkits/gtk/ |
Current File : //usr/lib/python3/dist-packages/orca/scripts/toolkits/gtk/script_utilities.py |
# Orca # # Copyright (C) 2013-2014 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. __id__ = "$Id$" __version__ = "$Revision$" __date__ = "$Date$" __copyright__ = "Copyright (c) 2013-2014 Igalia, S.L." __license__ = "LGPL" import gi gi.require_version("Atspi", "2.0") from gi.repository import Atspi import re import orca.debug as debug import orca.script_utilities as script_utilities from orca.ax_object import AXObject from orca.ax_utilities import AXUtilities class Utilities(script_utilities.Utilities): def __init__(self, script): super().__init__(script) self._isComboBoxWithToggleDescendant = {} self._isToggleDescendantOfComboBox = {} self._isTypeahead = {} self._isUselessPanel = {} self._isLayoutOnly = {} def clearCachedObjects(self): self._isComboBoxWithToggleDescendant = {} self._isToggleDescendantOfComboBox = {} self._isTypeahead = {} self._isUselessPanel = {} self._isLayoutOnly = {} def infoBar(self, root): return AXObject.find_descendant(root, AXUtilities.is_info_bar) def isComboBoxWithToggleDescendant(self, obj): if not AXUtilities.is_combo_box(obj): return False rv = self._isComboBoxWithToggleDescendant.get(hash(obj)) if rv is not None: return rv for child in AXObject.iter_children(obj): if not AXUtilities.is_filler(child): continue toggle = AXObject.find_descendant(child, AXUtilities.is_toggle_button) rv = toggle is not None if toggle: self._isToggleDescendantOfComboBox[hash(toggle)] = True break self._isComboBoxWithToggleDescendant[hash(obj)] = rv return rv def isLayoutOnly(self, obj): rv = self._isLayoutOnly.get(hash(obj)) if rv is not None: if rv: tokens = ["GTK:", obj, "is deemed to be layout only"] debug.printTokens(debug.LEVEL_INFO, tokens, True) return rv rv = super().isLayoutOnly(obj) self._isLayoutOnly[hash(obj)] = rv return rv def isToggleDescendantOfComboBox(self, obj): if not AXUtilities.is_toggle_button(obj): return False rv = self._isToggleDescendantOfComboBox.get(hash(obj)) if rv is not None: return rv comboBox = AXObject.find_ancestor(obj, AXUtilities.is_combo_box) if comboBox: self._isComboBoxWithToggleDescendant[hash(comboBox)] = True rv = comboBox is not None self._isToggleDescendantOfComboBox[hash(obj)] = rv return rv def isTypeahead(self, obj): if not obj or AXObject.is_dead(obj): return False if not AXUtilities.is_text(obj): return False rv = self._isTypeahead.get(hash(obj)) if rv is not None: return rv parent = AXObject.get_parent(obj) while parent and self.isLayoutOnly(parent): parent = AXObject.get_parent(parent) rv = AXUtilities.is_window(parent) self._isTypeahead[hash(obj)] = rv return rv def isSearchEntry(self, obj, focusedOnly=False): # Another example of why we need subrole support in ATK and AT-SPI2. if not (AXObject.get_name(obj) and AXUtilities.is_single_line(obj)): return False if focusedOnly and not AXUtilities.is_focused(obj): return False icons = [x for x in AXObject.iter_children(obj, AXUtilities.is_icon)] if icons: return True return False def isEntryCompletionPopupItem(self, obj): return AXUtilities.is_table_cell(obj) \ and AXObject.find_ancestor(obj, AXUtilities.is_window) is not None def isPopOver(self, obj): return AXObject.has_relation(obj, Atspi.RelationType.POPUP_FOR) def isSameObject(self, obj1, obj2, comparePaths=False, ignoreNames=False, ignoreDescriptions=True): return super().isSameObject(obj1, obj2, comparePaths, ignoreNames, False) def isUselessPanel(self, obj): if not AXUtilities.is_panel(obj): return False rv = self._isUselessPanel.get(hash(obj)) if rv is not None: return rv childCount = AXObject.get_child_count(obj) name = AXObject.get_name(obj) rv = not (name or childCount or AXObject.supports_text(obj)) self._isUselessPanel[hash(obj)] = rv return rv def rgbFromString(self, attributeValue): regex = re.compile(r"rgb|[^\w,]", re.IGNORECASE) string = re.sub(regex, "", attributeValue) red, green, blue = string.split(",") return int(red) >> 8, int(green) >> 8, int(blue) >> 8 def eventIsCanvasNoise(self, event): if not AXUtilities.is_canvas(event.source): return False if not self.topLevelObjectIsActiveWindow(event.source): msg = "GTK: Event is believed to be canvas noise" debug.printMessage(debug.LEVEL_INFO, msg, True) return True return False