/usr/lib/python3/dist-packages/Onboard/ClickSimulator.py is in onboard 1.3.0-1.
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# Copyright © 2012 Gerd Kohlberger <lowfi@chello.at>
# Copyright © 2011-2014, 2016 marmuta <marmvta@gmail.com>
#
# This file is part of Onboard.
#
# Onboard is free software; you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation; either version 3 of the License, or
# (at your option) any later version.
#
# Onboard 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 General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program. If not, see <http://www.gnu.org/licenses/>.
"""
Dwelling control via mousetweaks and general mouse support functions.
"""
from __future__ import division, print_function, unicode_literals
try:
import dbus
except ImportError:
pass
from Onboard.Version import require_gi_versions
require_gi_versions()
from gi.repository import GObject
from Onboard.utils import EventSource, unicode_str
from Onboard.Timer import DelayedLauncher
from Onboard.ConfigUtils import ConfigObject
from Onboard.XInput import XIDeviceManager, XIEventType, XIEventMask
import Onboard.osk as osk
### Logging ###
import logging
_logger = logging.getLogger("ClickSimulator")
###############
class ClickSimulator(GObject.GObject):
""" Abstract base class for mouse click simulators """
PRIMARY_BUTTON = 1
MIDDLE_BUTTON = 2
SECONDARY_BUTTON = 3
CLICK_TYPE_SINGLE = 3
CLICK_TYPE_DOUBLE = 2
CLICK_TYPE_DRAG = 1
# Public interface
def supports_click_params(self, button, click_type):
raise NotImplementedError()
def map_primary_click(self, event_source, button, click_type):
raise NotImplementedError()
def get_click_button(self):
raise NotImplementedError()
def get_click_type(self):
raise NotImplementedError()
class CSButtonMapper(ClickSimulator):
"""
Onboards built-in mouse click mapper.
Maps secondary or middle button to the primary button.
"""
def __init__(self):
ClickSimulator.__init__(self)
self._osk_cm = osk.ClickMapper()
self._click_done_notify_callbacks = []
self._exclusion_rects = []
self._grab_event_source = None
def cleanup(self):
self.end_mapping()
self._click_done_notify_callbacks = []
def supports_click_params(self, button, click_type):
return True
def map_primary_click(self, event_source, button, click_type):
if event_source and (button != self.PRIMARY_BUTTON or \
click_type != self.CLICK_TYPE_SINGLE):
self._begin_mapping(event_source, button, click_type)
else:
self.end_mapping()
def _begin_mapping(self, event_source, button, click_type):
# remap button
if button != self.PRIMARY_BUTTON and \
click_type == self.CLICK_TYPE_SINGLE:
# "grab" the pointer so we can detect button-release
# anywhere on screen. Works only with XInput as InputEventSource.
self._grab_event_source = event_source
event_source.grab_xi_pointer(True)
EventSource.connect(event_source, "button-release",
self._on_xi_button_release)
self._osk_cm.map_pointer_button(button)
self._osk_cm.button = button
self._osk_cm.click_type = click_type
else:
self._set_next_mouse_click(button, click_type)
def end_mapping(self):
if self._grab_event_source:
EventSource.disconnect(self._grab_event_source,
"button-release",
self._on_xi_button_release)
self._grab_event_source.grab_xi_pointer(False)
self._grab_event_source = None
if self._osk_cm:
if self._osk_cm.click_type == self.CLICK_TYPE_SINGLE:
self._osk_cm.restore_pointer_buttons()
self._osk_cm.button = self.PRIMARY_BUTTON
self._osk_cm.click_type = self.CLICK_TYPE_SINGLE
else:
self._set_next_mouse_click(self.PRIMARY_BUTTON, self.CLICK_TYPE_SINGLE)
def is_mapping_active(self):
return self._grab_event_source or \
self._osk_cm and \
(self._osk_cm.click_type != self.CLICK_TYPE_SINGLE or \
self._osk_cm.button != self.PRIMARY_BUTTON)
def _on_xi_button_release(self, event):
""" end of CLICK_TYPE_SINGLE in XInput mode """
_logger.debug("_on_xi_button_release")
self.end_mapped_click()
def get_click_button(self):
return self._osk_cm.button
def get_click_type(self):
return self._osk_cm.click_type
def _set_next_mouse_click(self, button, click_type):
"""
Converts the next mouse left-click to the click
specified in @button. Possible values are 2 and 3.
"""
try:
self._osk_cm.convert_primary_click(button, click_type,
self._exclusion_rects,
self.end_mapped_click)
except osk.error as error:
_logger.warning(error)
def state_notify_add(self, callback):
self._click_done_notify_callbacks.append(callback)
def end_mapped_click(self):
""" osk callback, outside click, xi button release """
if self.is_mapping_active():
self.end_mapping()
# update click type buttons
for callback in self._click_done_notify_callbacks:
callback(None)
def set_exclusion_rects(self, rects):
self._exclusion_rects = rects
class CSFloatingSlave(ClickSimulator):
"""
Onboards built-in mouse click mapper.
Maps secondary or middle button to the primary button.
"""
def __init__(self, keyboard):
ClickSimulator.__init__(self)
self._keyboard = keyboard
self._device_manager = XIDeviceManager()
self._grabbed_device_ids = []
self._num_clicks_detected = 0
self._motion_position = None
self._button = self.PRIMARY_BUTTON
self._click_type = self.CLICK_TYPE_SINGLE
self._click_done_notify_callbacks = []
self._exclusion_rects = []
self._osk_cm = osk.ClickMapper()
def cleanup(self):
self.end_mapping()
self._click_done_notify_callbacks = []
def is_valid(self):
return self._device_manager.is_valid()
def supports_click_params(self, button, click_type):
return True
def map_primary_click(self, event_source, button, click_type):
if event_source and (button != self.PRIMARY_BUTTON or \
click_type != self.CLICK_TYPE_SINGLE):
self._begin_mapping(event_source, button, click_type)
else:
self.end_mapping()
def _begin_mapping(self, event_source, button, click_type):
click_device = self._device_manager.get_last_click_device()
motion_device = self._device_manager.get_last_motion_device()
if self._register_xinput_events(click_device, motion_device):
self._button = button
self._click_type = click_type
self._num_clicks_detected = 0
self._motion_position = None
def end_mapping(self):
self._deregister_xinput_events()
self._button = self.PRIMARY_BUTTON
self._click_type = self.CLICK_TYPE_SINGLE
def _register_xinput_events(self, click_device, motion_device):
success = self._register_xinput_device(click_device, "primary",
XIEventMask.ButtonPressMask | \
XIEventMask.ButtonReleaseMask | \
XIEventMask.MotionMask)
if success and not motion_device is click_device:
success = self._register_xinput_device(motion_device, "motion",
XIEventMask.MotionMask)
if success:
self._device_manager.connect("device-event",
self._on_device_event)
else:
self._deregister_xinput_events()
return success
def _register_xinput_device(self, device, description, event_mask):
_logger.info("grab {} device {}".format(description, device))
try:
self._device_manager.grab_device(device)
self._grabbed_device_ids.append(device.id)
except osk.error as ex:
_logger.error("grab device {id} '{name}': {ex}"
.format(id = device.id,
name=device.name,
ex = ex))
return False
try:
self._device_manager.select_events(None, device, event_mask)
except osk.error as ex:
_logger.error("select root events for device "
"{id} '{name}': {ex}"
.format(id = device.id,
name=device.name,
ex = ex))
return False
return True
def _deregister_xinput_events(self):
if self._grabbed_device_ids:
self._device_manager.disconnect("device-event",
self._on_device_event)
# unselect and ungrab all devices
for device_id in self._grabbed_device_ids:
device = self._device_manager.lookup_device_id(device_id)
_logger.info("ungrab " + str(device))
try:
self._device_manager.unselect_events(None, device)
except osk.error as ex:
_logger.error("unselect root events for device "
"{id} '{name}': {ex}"
.format(id = device.id,
name=device.name,
ex = ex))
try:
self._device_manager.ungrab_device(device)
except osk.error as ex:
_logger.error("ungrab device {id} '{name}': {ex}"
.format(id = device.id,
name=device.name,
ex = ex))
self._grabbed_device_ids = []
def _on_device_event(self, event):
event_type = event.xi_type
button = self._button
click_type = self._click_type
generate_button_event = self._osk_cm.generate_button_event
if not event.device_id in self._grabbed_device_ids:
return
#print("device event:", event.device_id, event.xi_type, (event.x, event.y), (event.x_root, event.y_root), event.xid_event)
# Get pointer position from motion events only to support clicking
# with one device and pointing with another.
position = self._motion_position
if event_type == XIEventType.Motion:
position = (int(event.x_root), int(event.y_root))
self._motion_position = position
# tell master pointer about our new position
self._osk_cm.generate_motion_event(*position)
if position is None and \
(event_type == XIEventType.ButtonPress or \
event_type == XIEventType.ButtonRelease):
position = (int(event.x_root), int(event.y_root))
if position is None:
return
# single click
if click_type == self.CLICK_TYPE_SINGLE:
if event_type == XIEventType.ButtonPress:
self._keyboard.maybe_send_alt_press(None, button, 0)
generate_button_event(button, True)
elif event_type == XIEventType.ButtonRelease:
generate_button_event(button, False)
self._keyboard.maybe_send_alt_release(None, button, 0)
if self._num_clicks_detected and \
not self._is_point_in_exclusion_rects(position):
self.end_mapped_click()
# double click
elif click_type == self.CLICK_TYPE_DOUBLE:
if event_type == XIEventType.ButtonRelease:
if self._num_clicks_detected:
if not self._is_point_in_exclusion_rects(position):
delay = 40
self._keyboard.maybe_send_alt_press(None, button, 0)
generate_button_event(button, True)
generate_button_event(button, False, delay)
generate_button_event(button, True, delay)
generate_button_event(button, False, delay)
self._keyboard.maybe_send_alt_release(None, button, 0)
self.end_mapped_click()
# drag click
elif click_type == self.CLICK_TYPE_DRAG:
if event_type == XIEventType.ButtonRelease:
if self._num_clicks_detected == 1:
if self._is_point_in_exclusion_rects(position):
self.end_mapped_click()
else:
self._keyboard.maybe_send_alt_press(None, button, 0)
generate_button_event(button, True)
elif self._num_clicks_detected >= 2:
generate_button_event(button, False)
self._keyboard.maybe_send_alt_release(None, button, 0)
self.end_mapped_click()
# count button presses
if event_type == XIEventType.ButtonPress:
self._num_clicks_detected += 1
def _is_point_in_exclusion_rects(self, point):
for rect in self._exclusion_rects:
if rect.is_point_within(point):
return True
return False
def is_mapping_active(self):
return bool(self._grabbed_device_ids)
def get_click_button(self):
return self._button
def get_click_type(self):
return self._click_type
def state_notify_add(self, callback):
self._click_done_notify_callbacks.append(callback)
def end_mapped_click(self):
""" osk callback, outside click, xi button release """
if self.is_mapping_active():
self.end_mapping()
self._keyboard.release_latched_sticky_keys()
# update click type buttons
for callback in self._click_done_notify_callbacks:
callback(None)
def set_exclusion_rects(self, rects):
self._exclusion_rects = rects
class CSMousetweaks(ConfigObject, ClickSimulator):
"""
Abstract base class for mousetweaks settings,
D-bus control and signal handling.
"""
MOUSE_A11Y_SCHEMA_ID = "org.gnome.desktop.a11y.mouse"
MOUSETWEAKS_SCHEMA_ID = "org.gnome.mousetweaks"
MT_DBUS_NAME = "org.gnome.Mousetweaks"
MT_DBUS_PATH = "/org/gnome/Mousetweaks"
MT_DBUS_IFACE = "org.gnome.Mousetweaks"
MT_DBUS_PROP = "ClickType"
def __init__(self):
self._click_type_callbacks = []
if not "dbus" in globals():
raise ImportError("python-dbus unavailable")
ConfigObject.__init__(self)
ClickSimulator.__init__(self)
self.launcher = DelayedLauncher()
self._daemon_running_notify_callbacks = []
# Check if mousetweaks' schema is installed.
# Raises SchemaError if it isn't.
self.mousetweaks = ConfigObject(None, self.MOUSETWEAKS_SCHEMA_ID)
# connect to session bus
try:
self._bus = dbus.SessionBus()
except dbus.exceptions.DBusException:
raise RuntimeError("D-Bus session bus unavailable")
self._bus.add_signal_receiver(self._on_name_owner_changed,
"NameOwnerChanged",
dbus.BUS_DAEMON_IFACE,
arg0=self.MT_DBUS_NAME)
# Initial state
proxy = self._bus.get_object(dbus.BUS_DAEMON_NAME, dbus.BUS_DAEMON_PATH)
result = proxy.NameHasOwner(self.MT_DBUS_NAME, dbus_interface=dbus.BUS_DAEMON_IFACE)
self._set_connection(bool(result))
def _init_keys(self):
""" Create gsettings key descriptions """
self.schema = self.MOUSE_A11Y_SCHEMA_ID
self.sysdef_section = None
self.add_key("dwell-click-enabled", False)
self.add_key("dwell-time", 1.2)
self.add_key("dwell-threshold", 10)
self.add_key("click-type-window-visible", False)
def on_properties_initialized(self):
ConfigObject.on_properties_initialized(self)
# launch mousetweaks on startup if necessary
if not self._iface and \
self.dwell_click_enabled:
self._launch_daemon(0.5)
def cleanup(self):
self._daemon_running_notify_callbacks = []
def _launch_daemon(self, delay):
self.launcher.launch_delayed(["mousetweaks"], delay)
def _set_connection(self, active):
''' Update interface object, state and notify listeners '''
if active:
proxy = self._bus.get_object(self.MT_DBUS_NAME, self.MT_DBUS_PATH)
self._iface = dbus.Interface(proxy, dbus.PROPERTIES_IFACE)
self._iface.connect_to_signal("PropertiesChanged",
self._on_click_type_prop_changed)
self._click_type = self._iface.Get(self.MT_DBUS_IFACE, self.MT_DBUS_PROP)
else:
self._iface = None
self._click_type = self.CLICK_TYPE_SINGLE
def _on_name_owner_changed(self, name, old, new):
'''
The daemon has de/registered the name.
Called when dwell-click-enabled changes in gsettings.
'''
active = old == ""
if active:
self.launcher.stop()
self._set_connection(active)
# update hover click button
for callback in self._daemon_running_notify_callbacks:
callback(active)
def daemon_running_notify_add(self, callback):
self._daemon_running_notify_callbacks.append(callback)
def _on_click_type_prop_changed(self, iface, changed_props, invalidated_props):
''' Either we or someone else has change the click-type. '''
if self.MT_DBUS_PROP in changed_props:
self._click_type = changed_props.get(self.MT_DBUS_PROP)
# notify listeners
for callback in self._click_type_callbacks:
callback(self._click_type)
def _get_mt_click_type(self):
return self._click_type;
def _set_mt_click_type(self, click_type):
if click_type != self._click_type:# and self.is_active():
self._click_type = click_type
self._iface.Set(self.MT_DBUS_IFACE, self.MT_DBUS_PROP, click_type)
def _click_type_to_mt(self, button, click_type):
if click_type == self.CLICK_TYPE_SINGLE:
if button == self.PRIMARY_BUTTON:
return self.MT_CLICK_TYPE_PRIMARY
elif button == self.MIDDLE_BUTTON:
return self.MT_CLICK_TYPE_MIDDLE
elif button == self.SECONDARY_BUTTON:
return self.MT_CLICK_TYPE_SECONDARY
else:
return None
elif click_type == self.CLICK_TYPE_DOUBLE:
if button == self.PRIMARY_BUTTON:
return self.MT_CLICK_TYPE_DOUBLE
else:
return None
elif click_type == self.CLICK_TYPE_DRAG:
if button == self.PRIMARY_BUTTON:
return self.MT_CLICK_TYPE_DRAG
else:
return None
else:
return None
def _click_type_from_mt(self, mt_click_type):
if mt_click_type == self.MT_CLICK_TYPE_PRIMARY:
return self.PRIMARY_BUTTON, self.CLICK_TYPE_SINGLE
elif mt_click_type == self.MT_CLICK_TYPE_MIDDLE:
return self.MIDDLE_BUTTON, self.CLICK_TYPE_SINGLE
elif mt_click_type == self.MT_CLICK_TYPE_SECONDARY:
return self.SECONDARY_BUTTON, self.CLICK_TYPE_SINGLE
elif mt_click_type == self.MT_CLICK_TYPE_DOUBLE:
return self.PRIMARY_BUTTON, self.CLICK_TYPE_DOUBLE
elif mt_click_type == self.MT_CLICK_TYPE_DRAG:
return self.PRIMARY_BUTTON, self.CLICK_TYPE_DRAG
else:
return None, None
##########
# Public
##########
def state_notify_add(self, callback):
""" Convenience function to subscribes to all notifications """
self.dwell_click_enabled_notify_add(callback)
self.click_type_notify_add(callback)
self.daemon_running_notify_add(callback)
def click_type_notify_add(self, callback):
self._click_type_callbacks.append(callback)
def is_active(self):
return self.dwell_click_enabled and bool(self._iface)
def set_active(self, active):
self.dwell_click_enabled = active
# try to launch mousetweaks if it isn't running yet
if active and not self._iface:
self._launch_daemon(1.0)
else:
self.launcher.stop()
def supports_click_params(self, button, click_type):
# mousetweaks since 3.3.90 supports middle click button too.
return True
def map_primary_click(self, event_source, button, click_type):
mt_click_type = self._click_type_to_mt(button, click_type)
if not mt_click_type is None:
self._set_mt_click_type(mt_click_type)
def get_click_button(self):
mt_click_type = self._get_mt_click_type()
button, click_type = self._click_type_from_mt(mt_click_type)
return button
def get_click_type(self):
mt_click_type = self._get_mt_click_type()
button, click_type = self._click_type_from_mt(mt_click_type)
return click_type
class CSMousetweaks0(CSMousetweaks):
"""
Mousetweaks, old API up to version 3.8
"""
MT_CLICK_TYPE_PRIMARY = 3 # MT_DWELL_CLICK_TYPE_SINGLE
MT_CLICK_TYPE_SECONDARY = 0 # MT_DWELL_CLICK_TYPE_RIGHT
MT_CLICK_TYPE_MIDDLE = 4 # MT_DWELL_CLICK_TYPE_MIDDLE
MT_CLICK_TYPE_DOUBLE = 2 # MT_DWELL_CLICK_TYPE_DOUBLE
MT_CLICK_TYPE_DRAG = 1 # MT_DWELL_CLICK_TYPE_DRAG
MOUSETWEAKS_SCHEMA_ID = "org.gnome.mousetweaks"
def __init__(self):
super(self.__class__, self).__init__()
_logger.info("'{}' selected for mousetweaks up to version 3.8." \
.format(self.__class__.__name__))
def init_click_type_window_visible(self, hide):
""" Init click selection window on startup. """
# remember state of mousetweaks click-selection window
self.old_click_type_window_visible = self.click_type_window_visible
if self.is_active() and hide:
self.click_type_window_visible = False
def restore_click_type_window_visible(self, show):
""" Restore click selection window on exit. """
if show:
self.click_type_window_visible = True
else:
self.click_type_window_visible = \
self.old_click_type_window_visible
def allow_system_click_type_window(self, allow, hide):
"""
Called before hover click is activated and after it is deactivated.
"""
# This assumes that mousetweaks.click_type_window_visible never
# changes between activation and deactivation of mousetweaks.
if allow:
self.click_type_window_visible = self.old_click_type_window_visible
else:
# hide the mousetweaks window when onboard's settings say so
if hide:
self.old_click_type_window_visible = \
self.click_type_window_visible
self.click_type_window_visible = False
def on_hide_click_type_window_changed(self, hide):
""" GSettings property changed """
if self.is_active():
if hide:
self.click_type_window_visible = False
else:
self.click_type_window_visible = \
self.old_click_type_window_visible
class CSMousetweaks1(CSMousetweaks):
"""
Mousetweaks, new API from version 3.10
"""
MT_CLICK_TYPE_PRIMARY = 0
MT_CLICK_TYPE_MIDDLE = 1
MT_CLICK_TYPE_SECONDARY = 2
MT_CLICK_TYPE_DOUBLE = 3
MT_CLICK_TYPE_DRAG = 4
MOUSETWEAKS_SCHEMA_ID = "org.gnome.Mousetweaks"
_MT_HIDE_CLICKSELECTION_NAME = "org.gnome.Mousetweaks.ClickSelection"
def __init__(self):
self._mt_hide_name_status = None
super(self.__class__, self).__init__()
_logger.info("'{}' selected for mousetweaks 3.10 or later." \
.format(self.__class__.__name__))
def init_click_type_window_visible(self, hide):
""" Init click selection window on startup. """
self._hide_click_type_window(hide)
def restore_click_type_window_visible(self, show):
""" Restore the click selection window on exit. """
self._hide_click_type_window(False)
def allow_system_click_type_window(self, allow, hide):
""" called from hover click button """
self._hide_click_type_window(hide)
def on_hide_click_type_window_changed(self, hide):
self._hide_click_type_window(hide)
def _hide_click_type_window(self, hide):
""" Hide/unhide mousetweaks' native click selection window. """
try:
if hide:
if self._bus and self._mt_hide_name_status is None:
self._mt_hide_name_status = \
self._bus.request_name(self._MT_HIDE_CLICKSELECTION_NAME)
else:
if self._bus and self._mt_hide_name_status:
self._bus.release_name(self._MT_HIDE_CLICKSELECTION_NAME)
self._mt_hide_name_status = None
except dbus.DBusException as e:
_logger.error(unicode_str(e))
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