Current File : //lib/python3/dist-packages/orca/orca_gui_navlist.py
# Orca
#
# Copyright 2012 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.
"""Displays a GUI for Orca navigation list dialogs"""
__id__ = "$Id$"
__version__ = "$Revision$"
__date__ = "$Date$"
__copyright__ = "Copyright (c) 2012 Igalia, S.L."
__license__ = "LGPL"
from gi.repository import GObject, Gdk, Gtk
from . import debug
from . import guilabels
from . import orca_state
from . import script_manager
from .ax_event_synthesizer import AXEventSynthesizer
from .ax_object import AXObject
class OrcaNavListGUI:
def __init__(self, title, columnHeaders, rows, selectedRow):
self._tree = None
self._activateButton = None
self._jumpToButton = None
self._gui = self._createNavListDialog(columnHeaders, rows, selectedRow)
self._gui.set_title(title)
self._gui.set_modal(True)
self._gui.set_keep_above(True)
self._gui.set_focus_on_map(True)
self._gui.set_accept_focus(True)
self._script = script_manager.getManager().getActiveScript()
self._document = None
def _createNavListDialog(self, columnHeaders, rows, selectedRow):
dialog = Gtk.Dialog()
dialog.set_default_size(500, 400)
grid = Gtk.Grid()
contentArea = dialog.get_content_area()
contentArea.add(grid)
scrolledWindow = Gtk.ScrolledWindow()
grid.add(scrolledWindow)
self._tree = Gtk.TreeView()
self._tree.set_hexpand(True)
self._tree.set_vexpand(True)
scrolledWindow.add(self._tree)
cols = [GObject.TYPE_OBJECT, GObject.TYPE_INT]
cols.extend(len(columnHeaders) * [GObject.TYPE_STRING])
model = Gtk.ListStore(*cols)
cell = Gtk.CellRendererText()
column = Gtk.TreeViewColumn("Accessible", cell, text=0)
column.set_visible(False)
self._tree.append_column(column)
cell = Gtk.CellRendererText()
column = Gtk.TreeViewColumn("offset", cell, text=1)
column.set_visible(False)
self._tree.append_column(column)
for i, header in enumerate(columnHeaders):
cell = Gtk.CellRendererText()
column = Gtk.TreeViewColumn(header, cell, text=i+2)
column.set_sort_column_id(i+2)
self._tree.append_column(column)
for row in rows:
rowIter = model.append(None)
for i, cell in enumerate(row):
model.set_value(rowIter, i, cell)
self._tree.set_model(model)
selection = self._tree.get_selection()
selection.select_path(selectedRow)
btn = dialog.add_button(guilabels.BTN_CANCEL, Gtk.ResponseType.CANCEL)
btn.connect('clicked', self._onCancelClicked)
self._jumpToButton = dialog.add_button(guilabels.BTN_JUMP_TO, Gtk.ResponseType.APPLY)
self._jumpToButton.connect('clicked', self._onJumpToClicked)
self._activateButton = dialog.add_button(
guilabels.ACTIVATE, Gtk.ResponseType.OK)
self._activateButton.connect('clicked', self._onActivateClicked)
self._activateButton.grab_default()
self._tree.connect('key-release-event', self._onKeyRelease)
self._tree.connect('cursor-changed', self._onCursorChanged)
self._tree.set_search_column(2)
return dialog
def showGUI(self):
self._gui.show_all()
ts = orca_state.lastInputEvent.timestamp
if ts == 0:
ts = Gtk.get_current_event_time()
self._gui.present_with_time(ts)
def _onCursorChanged(self, widget):
obj, offset = self._getSelectedAccessibleAndOffset()
n_actions = AXObject.get_n_actions(obj)
self._activateButton.set_sensitive(n_actions > 0)
if n_actions > 0:
self._activateButton.grab_default()
else:
self._jumpToButton.grab_default()
def _onKeyRelease(self, widget, event):
keycode = event.hardware_keycode
keymap = Gdk.Keymap.get_default()
entries_for_keycode = keymap.get_entries_for_keycode(keycode)
entries = entries_for_keycode[-1]
eventString = Gdk.keyval_name(entries[0])
if eventString == 'Return':
self._gui.activate_default()
def _onCancelClicked(self, widget):
self._gui.destroy()
def _onJumpToClicked(self, widget):
obj, offset = self._getSelectedAccessibleAndOffset()
self._gui.destroy()
self._script.utilities.setCaretPosition(obj, offset, self._document)
def _onActivateClicked(self, widget):
obj, offset = self._getSelectedAccessibleAndOffset()
self._gui.destroy()
if not obj:
return
self._script.utilities.setCaretPosition(obj, offset)
if not AXEventSynthesizer.try_all_clickable_actions(obj):
tokens = ["INFO: Attempting a synthesized click on", obj]
debug.printTokens(debug.LEVEL_INFO, tokens, True)
AXEventSynthesizer.click_object(obj)
def _getSelectedAccessibleAndOffset(self):
if not self._tree:
msg = "ERROR: Could not get navlist tree"
debug.printMessage(debug.LEVEL_INFO, msg, True)
return None, -1
selection = self._tree.get_selection()
if not selection:
msg = "ERROR: Could not get selection for navlist tree"
debug.printMessage(debug.LEVEL_INFO, msg, True)
return None, -1
model, paths = selection.get_selected_rows()
if not paths:
msg = "ERROR: Could not get paths for navlist tree"
debug.printMessage(debug.LEVEL_INFO, msg, True)
return None, -1
obj = model.get_value(model.get_iter(paths[0]), 0)
offset = model.get_value(model.get_iter(paths[0]), 1)
return obj, max(0, offset)
def showUI(title='', columnHeaders=[], rows=[()], selectedRow=0):
gui = OrcaNavListGUI(title, columnHeaders, rows, selectedRow)
gui.showGUI()
Mini Shell