# Copyright (c) 2021-3 Matt Colligan
#
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
#
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
#
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
from __future__ import annotations
import asyncio
import contextlib
import os
import signal
import time
from collections import defaultdict
from typing import TYPE_CHECKING, cast
import pywayland
import pywayland.server
import wlroots.helper as wlroots_helper
import wlroots.wlr_types.virtual_keyboard_v1 as vkeyboard
import wlroots.wlr_types.virtual_pointer_v1 as vpointer
from pywayland.protocol.wayland import WlSeat
from pywayland.utils import wl_container_of
from wlroots import xwayland
from wlroots.util import log as wlr_log
from wlroots.util.box import Box
from wlroots.wlr_types import (
DataControlManagerV1,
DataDeviceManager,
ExportDmabufManagerV1,
ForeignToplevelManagerV1,
FractionalScaleManagerV1,
GammaControlManagerV1,
InputInhibitManager,
OutputLayout,
OutputState,
PointerGesturesV1,
Presentation,
PrimarySelectionV1DeviceManager,
RelativePointerManagerV1,
ScreencopyManagerV1,
Surface,
Viewporter,
XCursorManager,
XdgOutputManagerV1,
input_device,
pointer,
seat,
xdg_activation_v1,
xdg_decoration_v1,
)
from wlroots.wlr_types.cursor import Cursor, WarpMode
from wlroots.wlr_types.idle_inhibit_v1 import IdleInhibitorManagerV1, IdleInhibitorV1
from wlroots.wlr_types.idle_notify_v1 import IdleNotifierV1
from wlroots.wlr_types.keyboard import Keyboard
from wlroots.wlr_types.layer_shell_v1 import LayerShellV1, LayerSurfaceV1
from wlroots.wlr_types.output_management_v1 import (
OutputConfigurationHeadV1,
OutputConfigurationV1,
OutputManagerV1,
)
from wlroots.wlr_types.output_power_management_v1 import (
OutputPowerManagementV1Mode,
OutputPowerManagerV1,
OutputPowerV1SetModeEvent,
)
from wlroots.wlr_types.pointer_constraints_v1 import PointerConstraintsV1, PointerConstraintV1
from wlroots.wlr_types.scene import (
Scene,
SceneBuffer,
SceneNode,
SceneNodeType,
SceneRect,
SceneSurface,
SceneTree,
)
from wlroots.wlr_types.server_decoration import (
ServerDecorationManager,
ServerDecorationManagerMode,
)
from wlroots.wlr_types.xdg_shell import XdgShell, XdgSurface, XdgSurfaceRole
from xkbcommon import xkb
from libqtile import hook, log_utils
from libqtile.backend import base
from libqtile.backend.wayland import inputs, layer, window, wlrq, xdgwindow, xwindow
from libqtile.backend.wayland.output import Output
from libqtile.command.base import expose_command
from libqtile.config import ScreenRect
from libqtile.log_utils import logger
from libqtile.utils import QtileError, reap_zombies
try:
# Continue if ffi not built, so that docs can be built without wayland deps.
from libqtile.backend.wayland._ffi import ffi, lib
except ModuleNotFoundError:
print("Warning: Wayland backend not built. Backend will not run.")
if TYPE_CHECKING:
from collections.abc import Generator
from typing import Any
from cairocffi import ImageSurface
from pywayland.server import Listener
from wlroots.wlr_types import Output as wlrOutput
from wlroots.wlr_types.data_device_manager import Drag
from libqtile import config
class ImplicitGrab(wlrq.HasListeners):
"""Keep track of an implicit pointer grab.
A Wayland client expects to receive pointer events from the moment a
pointer button is pressed on its surface until the moment the button is
released. The Wayland protocol leaves this behavior to the compositor.
"""
def __init__(
self,
core: Core,
surface: Surface,
start_x: int,
start_y: int,
start_sx: int,
start_sy: int,
) -> None:
self.core = core
self.surface = surface
self.start_dx = start_sx - start_x
self.start_dy = start_sy - start_y
self.add_listener(surface.destroy_event, self._on_destroy)
def finalize(self) -> None:
self.finalize_listeners()
def _on_destroy(self, _listener: Listener, _data: Any) -> None:
self.core._release_implicit_grab()
[docs]class Core(base.Core, wlrq.HasListeners):
supports_restarting: bool = False
def __init__(self) -> None:
"""Setup the Wayland core backend"""
# This is the window under the pointer
self._hovered_window: window.WindowType | None = None
# but this Internal receives keyboard input, e.g. via the Prompt widget.
self.focused_internal: window.Internal | None = None
# Log exceptions that are raised in Wayland callback functions.
log_utils.init_log(
logger.level,
log_path=log_utils.get_default_log(),
logger=pywayland.server.listener.logger,
)
wlr_log.log_init(logger.level)
log_utils.init_log(
logger.level,
log_path=log_utils.get_default_log(),
logger=wlr_log.logger,
)
self.fd: int | None = None
self.display = pywayland.server.display.Display()
self.event_loop = self.display.get_event_loop()
(
self.compositor,
self.allocator,
self.renderer,
self.backend,
self._subcompositor,
) = wlroots_helper.build_compositor(self.display)
self.socket = self.display.add_socket()
os.environ["WAYLAND_DISPLAY"] = self.socket.decode()
logger.info("Starting core with WAYLAND_DISPLAY=%s", self.socket.decode())
# These windows have not been mapped yet; they'll get managed when mapped
self.pending_windows: set[window.WindowType] = set()
# Set up inputs
self.keyboards: list[inputs.Keyboard] = []
self._pointers: list[inputs.Pointer] = []
self.grabbed_keys: list[tuple[int, int]] = []
DataDeviceManager(self.display)
self.live_dnd: wlrq.Dnd | None = None
DataControlManagerV1(self.display)
self.seat = seat.Seat(self.display, "seat0")
self.add_listener(self.seat.request_set_selection_event, self._on_request_set_selection)
self.add_listener(
self.seat.request_set_primary_selection_event, self._on_request_set_primary_selection
)
self.add_listener(self.seat.request_start_drag_event, self._on_request_start_drag)
self.add_listener(self.seat.start_drag_event, self._on_start_drag)
self.add_listener(self.backend.new_input_event, self._on_new_input)
# Some devices are added early, so we need to remember to configure them
self._pending_input_devices: list[inputs._Device] = []
hook.subscribe.startup_complete(self._configure_pending_inputs)
self._input_inhibit_manager = InputInhibitManager(self.display)
self.add_listener(
self._input_inhibit_manager.activate_event, self._on_input_inhibitor_activate
)
self.add_listener(
self._input_inhibit_manager.deactivate_event, self._on_input_inhibitor_deactivate
)
# exclusive_layer: this layer shell window holds keyboard focus when above other
# (layer or non-layer) windows, per the layer shell protocol.
self.exclusive_layer: layer.LayerStatic | None = None
# exclusive_client: this client (any shell) absorbs keyboard AND pointer input,
# per input inhibitor protocol.
self.exclusive_client: pywayland.server.Client | None = None
# Set up outputs
self._outputs: list[Output] = []
self._current_output: Output | None = None
self.add_listener(self.backend.new_output_event, self._on_new_output)
self.output_layout = OutputLayout()
self.add_listener(self.output_layout.change_event, self._on_output_layout_change)
self.output_manager = OutputManagerV1(self.display)
self.add_listener(self.output_manager.apply_event, self._on_output_manager_apply)
self.add_listener(self.output_manager.test_event, self._on_output_manager_test)
self._blanked_outputs: set[Output] = set()
# Set up cursor
self.cursor = Cursor(self.output_layout)
# we later load a new cursor manager with the config settings
self._cursor_manager = XCursorManager(None, 24)
self._gestures = PointerGesturesV1(self.display)
self._pressed_button_count = 0
self._implicit_grab: ImplicitGrab | None = None
self.add_listener(self.seat.request_set_cursor_event, self._on_request_cursor)
self.add_listener(self.cursor.axis_event, self._on_cursor_axis)
self.add_listener(self.cursor.frame_event, self._on_cursor_frame)
self.add_listener(self.cursor.button_event, self._on_cursor_button)
self.add_listener(self.cursor.motion_event, self._on_cursor_motion)
self.add_listener(self.cursor.motion_absolute_event, self._on_cursor_motion_absolute)
self.add_listener(self.cursor.pinch_begin, self._on_cursor_pinch_begin)
self.add_listener(self.cursor.pinch_update, self._on_cursor_pinch_update)
self.add_listener(self.cursor.pinch_end, self._on_cursor_pinch_end)
self.add_listener(self.cursor.swipe_begin, self._on_cursor_swipe_begin)
self.add_listener(self.cursor.swipe_update, self._on_cursor_swipe_update)
self.add_listener(self.cursor.swipe_end, self._on_cursor_swipe_end)
self.add_listener(self.cursor.hold_begin, self._on_cursor_hold_begin)
self.add_listener(self.cursor.hold_end, self._on_cursor_hold_end)
self._cursor_state = wlrq.CursorState()
# Set up shell
self.xdg_shell = XdgShell(self.display)
self.add_listener(self.xdg_shell.new_surface_event, self._on_new_xdg_surface)
self.layer_shell = LayerShellV1(self.display, 4)
self.add_listener(self.layer_shell.new_surface_event, self._on_new_layer_surface)
# Set up scene-graph tree, which looks like this from bottom to top:
#
# root (self.scene)
# │
# ├── self.wallpaper_tree
# │ ├── SceneBuffer in self.wallpapers
# │ └── ... (further outputs)
# │
# ├── self.windows_tree
# │ │
# │ ├── Background (layer shell)
# │ │ ├── LayerStatic.tree
# │ │ └── ...
# │ │
# │ ├── Bottom (layer shell)
# │ │ ├── LayerStatic.tree
# │ │ └── ...
# │ │
# │ ├── self.mid_window_tree
# │ │ ├── XdgWindow.container
# │ │ │ ├── XdgWindow.tree
# │ │ │ └── XdgWindow._borders
# │ │ ├── XWindow.container
# │ │ │ ├── XWindow.tree
# │ │ │ └── XWindow._borders
# │ │ └── ... (further regular windows)
# │ │
# │ ├── Top (same as Background)
# │ │ ├── LayerStatic.tree
# │ │ └── ...
# │ │
# │ └── Overlay (same as Background)
# │ ├── LayerStatic.tree
# │ └── ...
# │
# └── self.drag_icon_tree
# ├── DragIcon
# │ └── wlrq.Dnd
# └── ... (usually only one)
#
self.scene = Scene()
# Each tree is created above existing trees
self.wallpaper_tree = SceneTree.create(self.scene.tree)
self.windows_tree = SceneTree.create(self.scene.tree)
self.drag_icon_tree = SceneTree.create(self.scene.tree)
self.layer_trees = [
SceneTree.create(self.windows_tree), # Background
SceneTree.create(self.windows_tree), # Bottom
SceneTree.create(self.windows_tree), # Regular windows
SceneTree.create(self.windows_tree), # Top
SceneTree.create(self.windows_tree), # Overlay
]
self.mid_window_tree = self.layer_trees.pop(2)
self.wallpapers: dict[
config.Screen, tuple[SceneBuffer | SceneRect, ImageSurface | None]
] = {}
# Add support for additional protocols
ExportDmabufManagerV1(self.display)
XdgOutputManagerV1(self.display, self.output_layout)
ScreencopyManagerV1(self.display)
GammaControlManagerV1(self.display)
Viewporter(self.display)
FractionalScaleManagerV1(self.display)
self.scene.set_presentation(Presentation.create(self.display, self.backend))
output_power_manager = OutputPowerManagerV1(self.display)
self.add_listener(
output_power_manager.set_mode_event, self._on_output_power_manager_set_mode
)
self.idle = IdleNotifierV1(self.display)
idle_ihibitor_manager = IdleInhibitorManagerV1(self.display)
self.add_listener(idle_ihibitor_manager.new_inhibitor_event, self._on_new_idle_inhibitor)
PrimarySelectionV1DeviceManager(self.display)
virtual_keyboard_manager_v1 = vkeyboard.VirtualKeyboardManagerV1(self.display)
self.add_listener(
virtual_keyboard_manager_v1.new_virtual_keyboard_event,
self._on_new_virtual_keyboard,
)
virtual_pointer_manager_v1 = vpointer.VirtualPointerManagerV1(self.display)
self.add_listener(
virtual_pointer_manager_v1.new_virtual_pointer_event,
self._on_new_virtual_pointer,
)
xdg_decoration_manager_v1 = xdg_decoration_v1.XdgDecorationManagerV1.create(self.display)
self.add_listener(
xdg_decoration_manager_v1.new_toplevel_decoration_event,
self._on_new_toplevel_decoration,
)
# wlr_server_decoration will be removed in a future version of wlroots
server_decoration_manager = ServerDecorationManager.create(self.display)
server_decoration_manager.set_default_mode(ServerDecorationManagerMode.SERVER)
pointer_constraints_v1 = PointerConstraintsV1(self.display)
self.add_listener(
pointer_constraints_v1.new_constraint_event,
self._on_new_pointer_constraint,
)
self.pointer_constraints: set[window.PointerConstraint] = set()
self.active_pointer_constraint: window.PointerConstraint | None = None
self._relative_pointer_manager_v1 = RelativePointerManagerV1(self.display)
self.foreign_toplevel_manager_v1 = ForeignToplevelManagerV1.create(self.display)
self._xdg_activation_v1 = xdg_activation_v1.XdgActivationV1.create(self.display)
self.add_listener(
self._xdg_activation_v1.request_activate_event,
self._on_xdg_activation_v1_request_activate,
)
# Set up XWayland. wlroots wants to fork() and waitpid() for the
# xwayland server:
# https://gitlab.freedesktop.org/wlroots/wlroots/-/commit/871646d22522141c45db2c0bfa1528d595bb69df
# so we need to delay installing our SIGCHLD handler so they can
# actually waitpid(). we install it in _on_xwayland_ready() or the
# exception handler, whichever is executed. This can be reverted if/when:
# https://gitlab.freedesktop.org/wlroots/wlroots/-/merge_requests/4926
# is merged.
self._xwayland: xwayland.XWayland | None = None
try:
self._xwayland = xwayland.XWayland(self.display, self.compositor, True)
except RuntimeError:
logger.info("Failed to set up XWayland. Continuing without.")
asyncio.get_running_loop().add_signal_handler(signal.SIGCHLD, reap_zombies)
else:
os.environ["DISPLAY"] = self._xwayland.display_name or ""
logger.info("Set up XWayland with DISPLAY=%s", os.environ["DISPLAY"])
self.add_listener(self._xwayland.ready_event, self._on_xwayland_ready)
self.add_listener(self._xwayland.new_surface_event, self._on_xwayland_new_surface)
# Start
self.backend.start()
def get_enabled_outputs(self) -> list[Output]:
ret = []
for output in self._outputs:
if not output.wlr_output:
continue
if not output.wlr_output.enabled:
continue
ret.append(output)
return ret
@property
def name(self) -> str:
return "wayland"
@property
def active_keyboard(self) -> inputs.Keyboard | None:
keyboard = self.seat.get_keyboard()
if keyboard is not None:
for kb in self.keyboards:
if kb.keyboard._ptr == keyboard._ptr:
return kb
return None
def finalize(self) -> None:
self.finalize_listeners()
self._poll()
for kb in self.keyboards.copy():
kb.finalize()
for pt in self._pointers.copy():
pt.finalize()
for out in self._outputs.copy():
out.finalize()
if self._xwayland:
self._xwayland.destroy()
self._cursor_manager.destroy()
self.cursor.destroy()
self.output_layout.destroy()
self.seat.destroy()
self.backend.destroy()
self.display.destroy()
if hasattr(self, "qtile"):
delattr(self, "qtile")
def win_from_node(self, node: SceneNode) -> window.Window | window.Internal:
tree = node.parent
while tree and tree.node.data is None:
tree = tree.node.parent
assert tree and tree.node.data
return tree.node.data
# Low level iteration code
# We cannot use for_each_buffer I think because that does not give the underlying nodes
# We need to underlying nodes to get the opacity property
def configure_node_opacity(self, node: SceneNode) -> None:
if not node.enabled:
return
if node.type == SceneNodeType.BUFFER:
scene_buffer = SceneBuffer.from_node(node)
win = self.win_from_node(node)
scene_buffer.set_opacity(win.opacity)
elif node.type == SceneNodeType.TREE:
tree_ptr = wl_container_of(node._ptr, "struct wlr_scene_tree *", "node", ffi=ffi)
parent_tree = SceneTree(tree_ptr)
for child in parent_tree.children:
self.configure_node_opacity(child)
@property
def display_name(self) -> str:
return self.socket.decode()
def _on_request_set_selection(
self, _listener: Listener, event: seat.RequestSetSelectionEvent
) -> None:
self.seat.set_selection(event._ptr.source, event.serial)
logger.debug("Signal: seat request_set_selection")
def _on_request_set_primary_selection(
self, _listener: Listener, event: seat.RequestSetPrimarySelectionEvent
) -> None:
self.seat.set_primary_selection(event._ptr.source, event.serial)
logger.debug("Signal: seat request_set_primary_selection")
def _on_request_start_drag(
self, _listener: Listener, event: seat.RequestStartDragEvent
) -> None:
logger.debug("Signal: seat request_start_drag")
if not self.live_dnd and self.seat.validate_pointer_grab_serial(
event.origin, event.serial
):
self.seat.start_pointer_drag(event.drag, event.serial)
else:
event.drag.source.destroy()
def _on_start_drag(self, _listener: Listener, wlr_drag: Drag) -> None:
logger.debug("Signal: seat start_drag")
self._release_implicit_grab()
if not wlr_drag.icon:
return
self.live_dnd = wlrq.Dnd(self, wlr_drag)
def _on_new_input(self, _listener: Listener, wlr_device: input_device.InputDevice) -> None:
logger.debug("Signal: backend new_input_event")
device: inputs._Device
if wlr_device.type == input_device.InputDeviceType.POINTER:
device = self._add_new_pointer(wlr_device)
elif wlr_device.type == input_device.InputDeviceType.KEYBOARD:
device = self._add_new_keyboard(wlr_device)
else:
logger.info("New %s device", wlr_device.type.name)
return
capabilities = WlSeat.capability.pointer
if self.keyboards:
capabilities |= WlSeat.capability.keyboard
self.seat.set_capabilities(capabilities)
logger.info("New device: %s %s", *device.get_info())
if hasattr(self, "qtile"):
if self.qtile.config.wl_input_rules:
device.configure(self.qtile.config.wl_input_rules)
else:
self._pending_input_devices.append(device)
def _on_new_output(self, _listener: Listener, wlr_output: wlrOutput) -> None:
logger.debug("Signal: backend new_output_event")
output = Output(self, wlr_output)
self._outputs.append(output)
# Let the output layout place it
if not self.output_layout.add_auto(wlr_output):
logger.warning("Failed to add output to layout.")
return
# Set the current output as we have none defined
# Now that we have our first output we can warp the pointer there too
# We also set the cursor image as we're initializing the cursor here anyways
if not self._current_output:
self._current_output = output
self.cursor.set_xcursor(self._cursor_manager, "default")
rect = output.get_screen_info()
box = Box(rect.x, rect.y, rect.width, rect.height)
x = box.x + box.width / 2
y = box.y + box.height / 2
self.warp_pointer(x, y)
def _on_output_layout_change(
self, _listener: Listener | None = None, _data: Any = None
) -> None:
logger.debug("Signal: output_layout change_event")
config = OutputConfigurationV1()
# disable mons that are no longer enabled
for output in self._outputs:
if output.wlr_output.enabled:
continue
head = OutputConfigurationHeadV1.create(config, output.wlr_output)
head.state.enabled = False
self.output_layout.remove(output.wlr_output)
if output is self._current_output:
en_outputs = self.get_enabled_outputs()
self._current_output = en_outputs[0] if en_outputs else None
for output in self._outputs:
if not output.wlr_output.enabled:
continue
box = self.output_layout.get_box(output.wlr_output)
if lib.wlr_box_empty(box._ptr):
self.output_layout.add_auto(output.wlr_output)
# add monitors to layout that are now enabled
for output in self._outputs:
if not output.wlr_output.enabled:
continue
head = OutputConfigurationHeadV1.create(config, output.wlr_output)
box = self.output_layout.get_box(output.wlr_output)
head.state.x = output.x = box.x
head.state.y = output.y = box.y
head.state.enabled = not lib.wlr_box_empty(box._ptr)
output.scene_output.set_position(output.x, output.y)
self.output_manager.set_configuration(config)
self._outputs.sort(key=lambda o: (o.x, o.y))
hook.fire("screen_change", None)
def _on_output_manager_apply(
self, _listener: Listener, config: OutputConfigurationV1
) -> None:
logger.debug("Signal: output_manager apply_event")
self._output_manager_reconfigure(config, True)
def _on_output_manager_test(self, _listener: Listener, config: OutputConfigurationV1) -> None:
logger.debug("Signal: output_manager test_event")
self._output_manager_reconfigure(config, False)
def _on_request_cursor(
self, _listener: Listener, event: seat.PointerRequestSetCursorEvent
) -> None:
if event._ptr.seat_client != self.seat.pointer_state._ptr.focused_client:
# The request came from a cheeky window that doesn't have the pointer
return
self._cursor_state.surface = event.surface
self._cursor_state.hotspot = event.hotspot
if not self._cursor_state.hidden:
self.cursor.set_surface(event.surface, event.hotspot)
def _on_new_xdg_surface(self, _listener: Listener, xdg_surface: XdgSurface) -> None:
assert self.qtile is not None
logger.debug("Signal: xdg_shell new_surface_event")
win: xdgwindow.XdgWindow | layer.LayerStatic
if xdg_surface.role == XdgSurfaceRole.TOPLEVEL:
# The new surface is a regular top-level window.
win = xdgwindow.XdgWindow(self, self.qtile, xdg_surface)
self.pending_windows.add(win)
return
if xdg_surface.role == XdgSurfaceRole.POPUP:
# The new surface is a popup window.
if not self._current_output:
raise RuntimeError("Can't place a popup without any outputs enabled.")
parent_surface = xdg_surface.popup.parent
if parent_xdg_surface := XdgSurface.try_from_surface(parent_surface):
# An XDG shell window or popup created this popup
if parent_xdg_surface.role == XdgSurfaceRole.TOPLEVEL:
# If the immediate parent is a toplevel, we're a level 1 popup
win = cast(xdgwindow.XdgWindow, parent_xdg_surface.data)
tree = win.tree
else:
# otherwise, this is a nested popup
tree = cast(SceneTree, parent_xdg_surface.data)
while parent_xdg_surface.role == XdgSurfaceRole.POPUP:
parent_xdg_surface = XdgSurface.try_from_surface(
parent_xdg_surface.popup.parent
)
win = cast(xdgwindow.XdgWindow, parent_xdg_surface.data)
xdg_surface.data = self.scene.xdg_surface_create(tree, xdg_surface)
elif parent := LayerSurfaceV1.try_from_wlr_surface(parent_surface):
# A layer shell window created this popup
win = cast(layer.LayerStatic, parent.data)
self.scene.xdg_surface_create(win.popup_tree, xdg_surface)
else:
raise RuntimeError("Unknown surface as popup's parent.")
# Position the popup
box = xdg_surface.get_geometry()
lx, ly = self.output_layout.closest_point(win.x + box.x, win.y + box.y)
wlr_output = self.output_layout.output_at(lx, ly)
screen_rect = wlr_output.data.get_screen_info()
box = Box(screen_rect.x, screen_rect.y, screen_rect.width, screen_rect.height)
box.x = round(box.x - lx)
box.y = round(box.y - ly)
xdg_surface.popup.unconstrain_from_box(box)
return
logger.warning("xdg_shell surface had no role set. Ignoring.")
def _release_implicit_grab(self, time: int = 0) -> None:
if self._implicit_grab is not None:
logger.debug("Releasing implicit grab.")
self._implicit_grab.finalize()
self._implicit_grab = None
# Pretend the cursor just appeared where it is.
self._process_cursor_motion(time, self.cursor.x, self.cursor.y)
def _create_implicit_grab(self, time: int, surface: Surface, sx: float, sy: float) -> None:
self._release_implicit_grab(time)
logger.debug("Creating implicit grab.")
self._implicit_grab = ImplicitGrab(
self, surface, self.cursor.x, self.cursor.y, int(sx), int(sy)
)
def _on_cursor_axis(self, _listener: Listener, event: pointer.PointerAxisEvent) -> None:
handled = False
if event.delta != 0 and not self.exclusive_client and not self._implicit_grab:
# If we have a client who exclusively gets input, button bindings are disallowed.
if event.orientation == pointer.AxisOrientation.VERTICAL:
button = 5 if 0 < event.delta else 4
else:
button = 7 if 0 < event.delta else 6
handled = self._process_cursor_button(button, True)
if not handled:
self.seat.pointer_notify_axis(
event.time_msec,
event.orientation,
event.delta,
event.delta_discrete,
event.source,
)
def _on_cursor_frame(self, _listener: Listener, _data: Any) -> None:
self.seat.pointer_notify_frame()
def _on_cursor_button(self, _listener: Listener, event: pointer.PointerButtonEvent) -> None:
assert self.qtile is not None
self.idle.notify_activity(self.seat)
found = None
pressed = event.button_state == input_device.ButtonState.PRESSED
if pressed:
self._pressed_button_count += 1
if self._implicit_grab is None:
found = self._focus_by_click()
else:
if self._pressed_button_count > 0: # sanity check
self._pressed_button_count -= 1
if self._implicit_grab is not None:
self.seat.pointer_notify_button(event.time_msec, event.button, event.button_state)
if self._pressed_button_count == 0:
self._release_implicit_grab(event.time_msec)
return
handled = False
if not self.exclusive_client and event.button in wlrq.buttons:
# If we have a client who exclusively gets input, button bindings are disallowed.
button = wlrq.buttons.index(event.button) + 1
handled = self._process_cursor_button(button, pressed)
if not handled:
if self._pressed_button_count == 1 and found and not self.live_dnd:
win, surface, sx, sy = found
if surface:
self._create_implicit_grab(event.time_msec, surface, sx, sy)
self.seat.pointer_notify_button(event.time_msec, event.button, event.button_state)
def _implicit_grab_motion(self, time: int) -> None:
if self._implicit_grab:
sx = self.cursor.x + self._implicit_grab.start_dx
sy = self.cursor.y + self._implicit_grab.start_dy
self.seat.pointer_notify_motion(time, sx, sy)
def _on_cursor_motion(self, _listener: Listener, event: pointer.PointerMotionEvent) -> None:
assert self.qtile is not None
self.idle.notify_activity(self.seat)
dx = event.delta_x
dy = event.delta_y
# Send relative pointer events to seat - used e.g. by games that have
# constrained cursor movement but want movement events
self._relative_pointer_manager_v1.send_relative_motion(
self.seat,
event.time_msec * 1000,
dx,
dy,
event.unaccel_delta_x,
event.unaccel_delta_y,
)
if self.active_pointer_constraint:
if not self.active_pointer_constraint.rect.contains_point(
self.cursor.x + dx, self.cursor.y + dy
):
return
self.cursor.move(dx, dy)
if self._implicit_grab is None:
self._process_cursor_motion(event.time_msec, self.cursor.x, self.cursor.y)
else:
self._implicit_grab_motion(event.time_msec)
def _on_cursor_motion_absolute(
self, _listener: Listener, event: pointer.PointerMotionAbsoluteEvent
) -> None:
assert self.qtile is not None
self.idle.notify_activity(self.seat)
x, y = self.cursor.absolute_to_layout_coords(event.pointer.base, event.x, event.y)
self.cursor.move(x - self.cursor.x, y - self.cursor.y)
if self._implicit_grab is None:
self._process_cursor_motion(event.time_msec, self.cursor.x, self.cursor.y)
else:
self._implicit_grab_motion(event.time_msec)
def _on_cursor_pinch_begin(
self,
_listener: Listener,
event: pointer.PointerPinchBeginEvent,
) -> None:
self.idle.notify_activity(self.seat)
self._gestures.send_pinch_begin(self.seat, event.time_msec, event.fingers)
def _on_cursor_pinch_update(
self,
_listener: Listener,
event: pointer.PointerPinchUpdateEvent,
) -> None:
self._gestures.send_pinch_update(
self.seat, event.time_msec, event.dx, event.dy, event.scale, event.rotation
)
def _on_cursor_pinch_end(
self,
_listener: Listener,
event: pointer.PointerPinchEndEvent,
) -> None:
self.idle.notify_activity(self.seat)
self._gestures.send_pinch_end(self.seat, event.time_msec, event.cancelled)
def _on_cursor_swipe_begin(
self,
_listener: Listener,
event: pointer.PointerSwipeBeginEvent,
) -> None:
self.idle.notify_activity(self.seat)
self._gestures.send_swipe_begin(self.seat, event.time_msec, event.fingers)
def _on_cursor_swipe_update(
self,
_listener: Listener,
event: pointer.PointerSwipeUpdateEvent,
) -> None:
self._gestures.send_swipe_update(self.seat, event.time_msec, event.dx, event.dy)
def _on_cursor_swipe_end(
self,
_listener: Listener,
event: pointer.PointerSwipeEndEvent,
) -> None:
self.idle.notify_activity(self.seat)
self._gestures.send_swipe_end(self.seat, event.time_msec, event.cancelled)
def _on_cursor_hold_begin(
self,
_listener: Listener,
event: pointer.PointerHoldBeginEvent,
) -> None:
self.idle.notify_activity(self.seat)
self._gestures.send_hold_begin(self.seat, event.time_msec, event.fingers)
def _on_cursor_hold_end(
self,
_listener: Listener,
event: pointer.PointerHoldEndEvent,
) -> None:
self.idle.notify_activity(self.seat)
self._gestures.send_hold_end(self.seat, event.time_msec, event.cancelled)
def _on_new_pointer_constraint(
self, _listener: Listener, wlr_constraint: PointerConstraintV1
) -> None:
logger.debug("Signal: pointer_constraints new_constraint")
constraint = window.PointerConstraint(self, wlr_constraint)
self.pointer_constraints.add(constraint)
if self.seat.pointer_state.focused_surface == wlr_constraint.surface:
if self.active_pointer_constraint:
self.active_pointer_constraint.disable()
constraint.enable()
def _on_new_virtual_keyboard(
self, _listener: Listener, virtual_keyboard: vkeyboard.VirtualKeyboardV1
) -> None:
self._add_new_keyboard(virtual_keyboard.keyboard.base)
def _on_new_virtual_pointer(
self, _listener: Listener, new_pointer_event: vpointer.VirtualPointerV1NewPointerEvent
) -> None:
device = self._add_new_pointer(new_pointer_event.new_pointer.pointer.base)
logger.info("New virtual pointer: %s %s", *device.get_info())
def _on_new_idle_inhibitor(
self, _listener: Listener, idle_inhibitor: IdleInhibitorV1
) -> None:
logger.debug("Signal: idle_inhibitor new_inhibitor")
for win in self.qtile.windows_map.values():
if isinstance(win, window.Window | window.Static):
win.surface.for_each_surface(win.add_idle_inhibitor, idle_inhibitor)
if idle_inhibitor.data:
# We break if the .data attribute was set, because that tells us
# that `win.add_idle_inhibitor` identified this inhibitor as
# belonging to that window.
break
def _on_input_inhibitor_activate(self, _listener: Listener, _data: Any) -> None:
logger.debug("Signal: input_inhibitor activate")
assert self.qtile is not None
self.exclusive_client = self._input_inhibit_manager.active_client
# If another client has keyboard focus, unfocus it.
if self.qtile.current_window and not self.qtile.current_window.belongs_to_client(
self.exclusive_client
):
self.focus_window(None)
# If another client has pointer focus, unfocus that too.
found = self._under_pointer()
if found:
win, _, _, _ = found
# If we have a client who exclusively gets input, no other client's
# surfaces are allowed to get pointer input.
if isinstance(win, base.Internal) or not win.belongs_to_client(self.exclusive_client):
self.cursor.set_xcursor(self._cursor_manager, "default")
self.seat.pointer_notify_clear_focus()
return
def _on_input_inhibitor_deactivate(self, _listener: Listener, _data: Any) -> None:
logger.debug("Signal: input_inhibitor deactivate")
self.exclusive_client = None
def _on_output_power_manager_set_mode(
self, _listener: Listener, mode: OutputPowerV1SetModeEvent
) -> None:
"""
Blank/unblank outputs via the output power management protocol.
`_blanked_outputs` keeps track of those that were blanked because we don't want
to unblank outputs that were already disabled due to not being part of the
user-configured layout.
"""
logger.debug("Signal: output_power_manager set_mode_event")
wlr_output = mode.output
output = cast(Output, wlr_output.data)
if mode.mode == OutputPowerManagementV1Mode.ON:
if output in self._blanked_outputs:
wlr_output.enable(enable=True)
try:
wlr_output.commit()
except RuntimeError:
logger.warning("Couldn't enable output %s", wlr_output.name)
return
self._blanked_outputs.remove(output)
else:
if wlr_output.enabled:
wlr_output.enable(enable=False)
try:
wlr_output.commit()
except RuntimeError:
logger.warning("Couldn't disable output %s", wlr_output.name)
return
self._blanked_outputs.add(output)
def _on_new_layer_surface(self, _listener: Listener, layer_surface: LayerSurfaceV1) -> None:
logger.debug("Signal: layer_shell new_surface_event")
assert self.qtile is not None
wid = self.new_wid()
win = layer.LayerStatic(self, self.qtile, layer_surface, wid)
logger.info("Managing new layer_shell window with window ID: %s", wid)
self.qtile.manage(win)
def _on_new_toplevel_decoration(
self, _listener: Listener, decoration: xdg_decoration_v1.XdgToplevelDecorationV1
) -> None:
logger.debug("Signal: xdg_decoration new_top_level_decoration")
decoration.set_mode(xdg_decoration_v1.XdgToplevelDecorationV1Mode.SERVER_SIDE)
def _on_xwayland_ready(self, _listener: Listener, _data: Any) -> None:
logger.debug("Signal: xwayland ready")
asyncio.get_running_loop().add_signal_handler(signal.SIGCHLD, reap_zombies)
assert self._xwayland is not None
self._xwayland.set_seat(self.seat)
self.xwayland_atoms: dict[int, str] = wlrq.get_xwayland_atoms(self._xwayland)
# Set the default XWayland cursor
if xcursor := self._cursor_manager.get_xcursor("default"):
image = next(xcursor.images, None)
if image:
self._xwayland.set_cursor(
image._ptr.buffer,
image._ptr.width * 4,
image._ptr.width,
image._ptr.height,
image._ptr.hotspot_x,
image._ptr.hotspot_y,
)
def _on_xwayland_new_surface(self, _listener: Listener, surface: xwayland.Surface) -> None:
logger.debug("Signal: xwayland new_surface")
assert self.qtile is not None
win = xwindow.XWindow(self, self.qtile, surface)
self.pending_windows.add(win)
def _on_xdg_activation_v1_request_activate(
self, _listener: Listener, event: xdg_activation_v1.XdgActivationV1RequestActivateEvent
) -> None:
"""Respond to window activate events via the XDG activation V1 protocol."""
logger.debug("Signal: xdg_activation_v1 request_activate")
assert self.qtile is not None
focus_on_window_activation = self.qtile.config.focus_on_window_activation
if focus_on_window_activation == "never":
logger.debug("Ignoring focus request (focus_on_window_activation='never')")
return
surface = event.surface
if surface:
xdg_surface = XdgSurface.try_from_surface(surface)
if xdg_surface is not None:
if win := xdg_surface.data:
win.handle_activation_request(focus_on_window_activation)
else:
# Shouldn't happen.
logger.debug("Failed to find window to activate. Ignoring request.")
def _output_manager_reconfigure(self, config: OutputConfigurationV1, apply: bool) -> None:
"""
See if an output configuration would be accepted by the backend, and apply it if
desired.
"""
ok = True
for head in config.heads:
head_state = head.state
wlr_output = head_state.output
state = OutputState()
state.set_enabled(head_state.enabled)
if head_state.enabled:
if head_state.mode:
state.set_mode(head_state.mode)
else:
state.set_custom_mode(head_state.custom_mode)
state.set_transform(head_state.transform)
state.set_scale(head_state.scale)
state.set_adaptive_sync_enabled(head_state.adaptive_sync_enabled)
# Rescale the cursor if necessary
box = self.output_layout.get_box(wlr_output)
if box.x != head_state.x or box.y != head_state.y:
self.output_layout.add(wlr_output, head_state.x, head_state.y)
# Ensure we have cursors loaded for the new scale factor.
self._cursor_manager.load(head_state.scale)
if not self.seat.pointer_state.focused_surface:
self.cursor.set_xcursor(self._cursor_manager, "default")
if apply:
ok = ok and wlr_output.commit(state)
else:
ok = ok and wlr_output.test(state)
state.finish()
if ok:
config.send_succeeded()
else:
config.send_failed()
config.destroy()
if apply:
self._on_output_layout_change()
def _process_cursor_motion(self, time_msec: int, cx: float, cy: float) -> None:
assert self.qtile
cx_int = int(cx)
cy_int = int(cy)
if not self.exclusive_client:
# If we have a client who exclusively gets input, button bindings are
# disallowed, so process_button_motion doesn't need to be updated.
self.qtile.process_button_motion(cx_int, cy_int)
if len(self.get_enabled_outputs()) > 1:
current_wlr_output = self.output_layout.output_at(cx, cy)
if current_wlr_output:
current_output = current_wlr_output.data
if self._current_output is not current_output:
self._current_output = current_output
if self.live_dnd:
self.live_dnd.position(cx, cy)
self._focus_pointer(cx_int, cy_int, motion=time_msec)
def _focus_pointer(self, cx: int, cy: int, motion: int | None = None) -> None:
assert self.qtile is not None
found = self._under_pointer()
if found:
win, surface, sx, sy = found
if self.exclusive_client:
# If we have a client who exclusively gets input, no other client's
# surfaces are allowed to get pointer input.
if isinstance(win, base.Internal) or not win.belongs_to_client(
self.exclusive_client
):
# Moved to an internal or unrelated window
if self._hovered_window is not win:
logger.debug(
"Pointer focus withheld from window not owned by exclusive client."
)
self.cursor.set_xcursor(self._cursor_manager, "default")
self.seat.pointer_notify_clear_focus()
self._hovered_window = win
return
if isinstance(win, window.Internal):
if self._hovered_window is win:
# pointer remained within the same Internal window
if motion is not None:
win.process_pointer_motion(
cx - self._hovered_window.x,
cy - self._hovered_window.y,
)
else:
if self._hovered_window:
if isinstance(self._hovered_window, window.Internal):
if motion is not None:
# moved from an Internal to a different Internal
self._hovered_window.process_pointer_leave(
cx - self._hovered_window.x,
cy - self._hovered_window.y,
)
elif self.seat.pointer_state.focused_surface:
# moved from a Window or Static to an Internal
self.cursor.set_xcursor(self._cursor_manager, "default")
self.seat.pointer_notify_clear_focus()
win.process_pointer_enter(cx, cy)
self._hovered_window = win
return
if surface:
# The pointer is in a client's surface
self.seat.pointer_notify_enter(surface, sx, sy)
if motion is not None:
self.seat.pointer_notify_motion(motion, sx, sy)
else:
# The pointer is on the border of a client's window
if self.seat.pointer_state.focused_surface:
# We just moved out of a client's surface
self.cursor.set_xcursor(self._cursor_manager, "default")
self.seat.pointer_notify_clear_focus()
if self._hovered_window is not win:
# We only want to fire client_mouse_enter once, so check
# self._hovered_window.
hook.fire("client_mouse_enter", win)
if win is not self.qtile.current_window:
if motion is not None and self.qtile.config.follow_mouse_focus is True:
if isinstance(win, window.Static):
self.qtile.focus_screen(win.screen.index, False)
else:
if win.group and win.group.current_window != win:
win.group.focus(win, False)
if (
win.group
and win.group.screen
and self.qtile.current_screen != win.group.screen
):
self.qtile.focus_screen(win.group.screen.index, False)
self._hovered_window = win
else:
# There is no window under the pointer
if self._hovered_window:
if isinstance(self._hovered_window, window.Internal):
# We just moved out of an Internal
self._hovered_window.process_pointer_leave(
cx - self._hovered_window.x,
cy - self._hovered_window.y,
)
else:
# We just moved out of a Window or Static
self.cursor.set_xcursor(self._cursor_manager, "default")
self.seat.pointer_notify_clear_focus()
self._hovered_window = None
def _process_cursor_button(self, button: int, pressed: bool) -> bool:
assert self.qtile is not None
handled = False
if pressed:
if keyboard := self.seat.get_keyboard():
handled = self.qtile.process_button_click(
button, keyboard.modifier, int(self.cursor.x), int(self.cursor.y)
)
else:
logger.warning("No active keyboard found, keybinding may be missed.")
if isinstance(self._hovered_window, window.Internal):
self._hovered_window.process_button_click(
int(self.cursor.x - self._hovered_window.x),
int(self.cursor.y - self._hovered_window.y),
button,
)
else:
if keyboard := self.seat.get_keyboard():
handled = self.qtile.process_button_release(button, keyboard.modifier)
else:
logger.warning("No active keyboard found, keybinding may be missed.")
if isinstance(self._hovered_window, window.Internal):
self._hovered_window.process_button_release(
int(self.cursor.x - self._hovered_window.x),
int(self.cursor.y - self._hovered_window.y),
button,
)
return handled
def _add_new_pointer(self, wlr_device: input_device.InputDevice) -> inputs.Pointer:
device = inputs.Pointer(self, wlr_device)
self._pointers.append(device)
self.cursor.attach_input_device(wlr_device)
self.cursor.set_xcursor(self._cursor_manager, "default")
# Map input device to output if required.
if output_name := pointer.Pointer.from_input_device(wlr_device).output_name:
target_output = None
for output in self.get_enabled_outputs():
if output_name == output.wlr_output.name:
target_output = output.wlr_output
break
if target_output:
logger.debug("Mapping pointer to output: %s", output_name)
else:
logger.warning("Failed to find output (%s) for mapping pointer.", output_name)
self.cursor.map_input_to_output(wlr_device, target_output)
return device
def _add_new_keyboard(self, wlr_device: input_device.InputDevice) -> inputs.Keyboard:
keyboard = Keyboard.from_input_device(wlr_device)
device = inputs.Keyboard(self, wlr_device, keyboard)
self.keyboards.append(device)
self.seat.set_keyboard(keyboard)
return device
def _configure_pending_inputs(self) -> None:
"""Configure inputs that were detected before the config was loaded."""
assert self.qtile is not None
if self.qtile.config.wl_input_rules:
for device in self._pending_input_devices:
device.configure(self.qtile.config.wl_input_rules)
self._pending_input_devices.clear()
def setup_listener(self) -> None:
"""Setup a listener for the given qtile instance"""
logger.debug("Adding io watch")
# destroy the old one and load a new one with config settings
self._cursor_manager.destroy()
self._cursor_manager = XCursorManager(
self.qtile.config.wl_xcursor_theme, self.qtile.config.wl_xcursor_size
)
self.cursor.set_xcursor(self._cursor_manager, "default")
self.fd = lib.wl_event_loop_get_fd(self.event_loop._ptr)
if self.fd:
asyncio.get_running_loop().add_reader(self.fd, self._poll)
else:
raise RuntimeError("Failed to get Wayland event loop file descriptor.")
def remove_listener(self) -> None:
"""Remove the listener from the given event loop"""
if self.fd is not None:
logger.debug("Removing io watch")
loop = asyncio.get_running_loop()
loop.remove_reader(self.fd)
self.fd = None
def _poll(self) -> None:
if not self.display.destroyed:
self.display.flush_clients()
self.event_loop.dispatch(0)
self.display.flush_clients()
def on_config_load(self, initial: bool) -> None:
if initial:
# This backend does not support restarting
return
assert self.qtile is not None
managed_wins = [
w for w in self.qtile.windows_map.values() if isinstance(w, window.Window)
]
for win in managed_wins:
group = None
if win.group:
if win.group.name in self.qtile.groups_map:
# Put window on group with same name as its old group if one exists
group = self.qtile.groups_map[win.group.name]
else:
# Otherwise place it on the group at the same index
for i, old_group in self.qtile._state.groups: # type: ignore
if i < len(self.qtile.groups):
name = old_group[0]
if win.group.name == name:
group = self.qtile.groups[i]
if win in win.group.windows:
# Remove window from old group
win.group.remove(win)
if group is None:
# Falling back to current group if none found
group = self.qtile.current_group
group.add(win)
if group == self.qtile.current_group:
win.unhide()
else:
win.hide()
# Apply input device configuration
if self.qtile.config.wl_input_rules:
for device in [*self.keyboards, *self._pointers]:
device.configure(self.qtile.config.wl_input_rules)
def new_wid(self) -> int:
"""Get a new unique window ID"""
assert self.qtile is not None
return max(self.qtile.windows_map.keys(), default=0) + 1
def focus_window(
self, win: window.WindowType | None, surface: Surface | None = None, enter: bool = True
) -> None:
if self.seat.destroyed:
return
if self.exclusive_client:
# If we have a client who exclusively gets input, no other client's surfaces
# are allowed to get keyboard input.
if not win:
self.seat.keyboard_clear_focus()
return
if isinstance(win, base.Internal) or not win.belongs_to_client(self.exclusive_client):
logger.debug("Keyboard focus withheld from window not owned by exclusive client.")
# We can't focus surfaces belonging to other clients.
return
if self.exclusive_layer and win is not self.exclusive_layer:
logger.debug("Keyboard focus withheld: focus is fixed to exclusive layer surface.")
return
if isinstance(win, base.Internal):
self.focused_internal = win
self.seat.keyboard_clear_focus()
return
if surface is None and win is not None:
surface = win.surface.surface
if self.focused_internal:
self.focused_internal = None
if isinstance(win, layer.LayerStatic):
if not win.surface.current.keyboard_interactive:
return
if isinstance(win, xwindow.XStatic):
if win.surface.override_redirect and not win.surface.or_surface_wants_focus():
return
if win.surface.icccm_input_model() == xwayland.ICCCMInputModel.NONE:
return
previous_surface = self.seat.keyboard_state.focused_surface
if previous_surface == surface:
return
if previous_surface is not None:
# Deactivate the previously focused surface
if previous_xdg_surface := XdgSurface.try_from_surface(previous_surface):
if not win or win.surface != previous_xdg_surface:
previous_xdg_surface.set_activated(False)
if prev_win := previous_xdg_surface.data:
if ftm_handle := prev_win.ftm_handle:
ftm_handle.set_activated(False)
else:
prev_xwayland_surface = xwayland.Surface.try_from_wlr_surface(previous_surface)
if prev_xwayland_surface is not None and (
not win or win.surface != prev_xwayland_surface
):
prev_xwayland_surface.activate(False)
if prev_win := prev_xwayland_surface.data:
if ftm_handle := prev_win.ftm_handle:
ftm_handle.set_activated(False)
if not win or not surface:
self.seat.keyboard_clear_focus()
return
logger.debug("Focusing new window")
ftm_handle = None
if isinstance(win.surface, XdgSurface):
win.surface.set_activated(True)
ftm_handle = win.ftm_handle
elif isinstance(win.surface, xwayland.Surface):
win.surface.activate(True)
ftm_handle = win.ftm_handle
if ftm_handle:
ftm_handle.set_activated(True)
if enter:
if keyboard := self.seat.get_keyboard():
self.seat.keyboard_notify_enter(surface, keyboard)
def _focus_by_click(self) -> tuple[window.WindowType, Surface | None, float, float] | None:
assert self.qtile is not None
found = self._under_pointer()
if found:
win, surface, sx, sy = found
if self.exclusive_client:
# If we have a client who exclusively gets input, no other client's
# surfaces are allowed to get focus.
if isinstance(win, base.Internal) or not win.belongs_to_client(
self.exclusive_client
):
logger.debug("Focus withheld from window not owned by exclusive client.")
return None
if self.qtile.config.bring_front_click is True:
win.bring_to_front()
elif self.qtile.config.bring_front_click == "floating_only":
if isinstance(win, base.Window) and win.floating:
win.bring_to_front()
if isinstance(win, window.Static):
if win.screen is not self.qtile.current_screen:
self.qtile.focus_screen(win.screen.index, warp=False)
win.focus(False)
elif isinstance(win, window.Window):
if win.group and win.group.screen is not self.qtile.current_screen:
self.qtile.focus_screen(win.group.screen.index, warp=False)
self.qtile.current_group.focus(win, False)
else:
screen = self.qtile.find_screen(int(self.cursor.x), int(self.cursor.y))
if screen:
self.qtile.focus_screen(screen.index, warp=False)
return found
def _under_pointer(self) -> tuple[window.WindowType, Surface | None, float, float] | None:
"""
Find which window and surface is currently under the pointer, if any.
"""
# Warning: this method is a bit difficult to follow and has liberal use of
# typing.cast. Make sure you're familiar with how the scene-graph tree is laid
# out (see diagram in __init__ above).
assert self.qtile is not None
maybe_node = self.windows_tree.node.node_at(self.cursor.x, self.cursor.y)
if maybe_node is None:
# We didn't find any node, so there is no window under the pointer.
return None
node, sx, sy = maybe_node
if node.type == SceneNodeType.BUFFER:
# Buffer nodes can be any surface or subsurface (nested in subtrees) of a
# client or Internal window. In all cases we will get a wlr_scene_buffer,
# but only client surfaces will have a wlr_scene_surface.
scene_buffer = cast(SceneBuffer, SceneBuffer.from_node(node))
if scene_surface := SceneSurface.from_buffer(scene_buffer):
# We got a node that is part of a window, walk up the scene graph to
# find the window object. It could also be an XDG popup, which can be
# the child of either an XDG window or a layer shell window.
win = self.win_from_node(node)
return win, scene_surface.surface, sx, sy
# We didn't get a wlr_scene_surface, so we're dealing with an internal window
# Internal windows have a scenetree for borders. The parent's data we will use to cast to an internal window
parent_tree = cast(SceneTree, node.parent)
win = cast(window.Internal, parent_tree.node.data)
return win, None, sx, sy
if node.type == SceneNodeType.RECT:
# Rect nodes are only used for window borders. Their immediate parent is the
# window container, which gives us the window at .data.
# We have to differentiate between internal windows and normal windows
parent_tree = cast(SceneTree, node.parent)
if isinstance(parent_tree.node.data, window.Internal):
win = cast(window.Internal, parent_tree.node.data)
else:
win = cast(window.Window, parent_tree.node.data)
return win, None, sx, sy
logger.warning("Couldn't determine what was under the pointer. Please report.")
return None
def check_idle_inhibitor(self) -> None:
"""
Checks if any window that is currently mapped has idle inhibitor
and if so inhibits idle
"""
assert self.qtile is not None
for win in self.qtile.windows_map.values():
if not isinstance(win, window.Internal) and win.is_idle_inhibited:
# TODO: do we also need to check that the window is mapped?
self.idle.set_inhibited(True)
return
self.idle.set_inhibited(False)
def get_screen_info(self) -> list[ScreenRect]:
"""Get the output information"""
return [output.get_screen_info() for output in self.get_enabled_outputs()]
def _get_sym_from_code(self, keycode: int) -> str:
keyboard = self.active_keyboard
if keyboard is None:
raise QtileError("Unable to grab keycode. No active keyboard found.")
return keyboard._state.key_get_one_sym(keycode)
def grab_key(self, key: config.Key | config.KeyChord) -> tuple[int, int]:
"""Configure the backend to grab the key event"""
if isinstance(key.key, str):
keysym = xkb.keysym_from_name(key.key, case_insensitive=True)
else:
keysym = self._get_sym_from_code(key.key)
mask_key = wlrq.translate_masks(key.modifiers)
self.grabbed_keys.append((keysym, mask_key))
return keysym, mask_key
def ungrab_key(self, key: config.Key | config.KeyChord) -> tuple[int, int]:
"""Release the given key event"""
if isinstance(key.key, str):
keysym = xkb.keysym_from_name(key.key, case_insensitive=True)
else:
keysym = self._get_sym_from_code(key.key)
mask_key = wlrq.translate_masks(key.modifiers)
self.grabbed_keys.remove((keysym, mask_key))
return keysym, mask_key
def ungrab_keys(self) -> None:
"""Release the grabbed key events"""
self.grabbed_keys.clear()
def grab_button(self, mouse: config.Mouse) -> int:
"""Configure the backend to grab the mouse event"""
return wlrq.translate_masks(mouse.modifiers)
def warp_pointer(self, x: float, y: float) -> None:
"""Warp the pointer to the coordinates in relative to the output layout"""
self.cursor.warp(WarpMode.LayoutClosest, x, y)
@contextlib.contextmanager
def masked(self) -> Generator:
yield
self._focus_pointer(int(self.cursor.x), int(self.cursor.y))
def flush(self) -> None:
self._poll()
def create_internal(self, x: int, y: int, width: int, height: int) -> base.Internal:
assert self.qtile is not None
internal = window.Internal(self, self.qtile, x, y, width, height)
self.qtile.manage(internal)
return internal
def graceful_shutdown(self) -> None:
"""Try to close windows gracefully before exiting"""
assert self.qtile is not None
# Copy in case the dictionary changes during the loop
for win in self.qtile.windows_map.copy().values():
win.kill()
# give everyone a little time to exit and write their state. but don't
# sleep forever (1s).
end = time.time() + 1
while time.time() < end:
self._poll()
if not self.qtile.windows_map:
break
@property
def painter(self) -> Any:
return wlrq.Painter(self)
def remove_output(self, output: Output) -> None:
# already removed
if output not in self._outputs:
return
self._outputs.remove(output)
box = self.output_layout.get_box(output.wlr_output)
if not lib.wlr_box_empty(box._ptr):
self.output_layout.remove(output.wlr_output)
if output is self._current_output:
en_outputs = self.get_enabled_outputs()
self._current_output = en_outputs[0] if en_outputs else None
def remove_pointer_constraints(self, window: window.Window | window.Static) -> None:
for pc in self.pointer_constraints.copy():
if pc.window is window:
pc.finalize()
def keysym_from_name(self, name: str) -> int:
"""Get the keysym for a key from its name"""
return xkb.keysym_from_name(name, case_insensitive=True)
def simulate_keypress(self, modifiers: list[str], key: str) -> None:
"""Simulates a keypress on the focused window."""
keysym = xkb.keysym_from_name(key, case_insensitive=True)
mods = wlrq.translate_masks(modifiers)
if (keysym, mods) in self.grabbed_keys:
assert self.qtile is not None
self.qtile.process_key_event(keysym, mods)
return
if self.focused_internal:
self.focused_internal.process_key_press(keysym)
[docs] @expose_command()
def set_keymap(
self,
layout: str | None = None,
options: str | None = None,
variant: str | None = None,
) -> None:
"""
Set the keymap for the current keyboard.
The options correspond to xkbcommon configuration environmental variables and if
not specified are taken from the environment. Acceptable values are strings
identical to those accepted by the env variables.
"""
if self.keyboards:
for keyboard in self.keyboards:
keyboard.set_keymap(layout, options, variant)
else:
logger.warning("Could not set keymap: no keyboards set up.")
[docs] @expose_command()
def change_vt(self, vt: int) -> bool:
"""Change virtual terminal to that specified"""
success = self.backend.get_session().change_vt(vt)
if not success:
logger.warning("Could not change VT to: %s", vt)
return success
[docs] @expose_command()
def hide_cursor(self) -> None:
"""Hide the cursor."""
if not self._cursor_state.hidden:
self.cursor.set_surface(None, self._cursor_state.hotspot)
self._cursor_state.hidden = True
[docs] @expose_command()
def unhide_cursor(self) -> None:
"""Unhide the cursor."""
if self._cursor_state.hidden:
self.cursor.set_surface(
self._cursor_state.surface,
self._cursor_state.hotspot,
)
self._cursor_state.hidden = False
[docs] @expose_command()
def query_tree(self) -> list[int]:
"""Get IDs of all mapped windows in ascending Z order."""
wids = []
def iterator(buffer: SceneBuffer, _sx: int, _sy: int, _data: None) -> None:
# Walk back up tree until we find a window or run out of parents
node = buffer.node
while True:
if win := node.data:
if node.enabled:
# TODO does this need to check the container node rather than
# three node within it?
wids.append(win.wid)
return
parent = node.parent
if not parent:
return
node = parent.node
self.scene.tree.node.for_each_buffer(iterator, None)
return wids
def get_mouse_position(self) -> tuple[int, int]:
"""Get mouse coordinates."""
return int(self.cursor.x), int(self.cursor.y)
@property
def hovered_window(self) -> base.WindowType | None:
return self._hovered_window