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config.py
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config.py
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# Copyright (c) 2012-2015 Tycho Andersen
# Copyright (c) 2013 xarvh
# Copyright (c) 2013 horsik
# Copyright (c) 2013-2014 roger
# Copyright (c) 2013 Tao Sauvage
# Copyright (c) 2014 ramnes
# Copyright (c) 2014 Sean Vig
# Copyright (c) 2014 Adi Sieker
#
# 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 os.path
import re
import sys
from typing import TYPE_CHECKING
from libqtile import configurable, hook, utils
from libqtile.bar import Bar
from libqtile.command.base import CommandObject, expose_command
from libqtile.log_utils import logger
if TYPE_CHECKING:
from typing import Any, Callable, Iterable
from libqtile.backend import base
from libqtile.bar import BarType
from libqtile.command.base import ItemT
from libqtile.core.manager import Qtile
from libqtile.group import _Group
from libqtile.layout.base import Layout
from libqtile.lazy import LazyCall
class Key:
"""
Defines a keybinding.
Parameters
==========
modifiers:
A list of modifier specifications. Modifier specifications are one of:
``"shift"``, ``"lock"``, ``"control"``, ``"mod1"``, ``"mod2"``, ``"mod3"``,
``"mod4"``, ``"mod5"``.
key:
A key specification, e.g. ``"a"``, ``"Tab"``, ``"Return"``, ``"space"``.
commands:
One or more :class:`LazyCall` objects to evaluate in sequence upon keypress. Multiple
commands should be separated by commas.
desc:
Description to be added to the key binding. (Optional)
swallow:
Configures when we swallow the key binding. (Optional)
Setting it to False will forward the key binding to the focused window after the commands have been executed.
"""
def __init__(
self,
modifiers: list[str],
key: str,
*commands: LazyCall,
desc: str = "",
swallow: bool = True,
) -> None:
self.modifiers = modifiers
self.key = key
self.commands = commands
self.desc = desc
self.swallow = swallow
def __repr__(self) -> str:
return "<Key (%s, %s)>" % (self.modifiers, self.key)
class KeyChord:
"""
Define a key chord aka Vim-like mode.
Parameters
==========
modifiers:
A list of modifier specifications. Modifier specifications are one of:
``"shift"``, ``"lock"``, ``"control"``, ``"mod1"``, ``"mod2"``, ``"mod3"``,
``"mod4"``, ``"mod5"``.
key:
A key specification, e.g. ``"a"``, ``"Tab"``, ``"Return"``, ``"space"``.
submappings:
A list of :class:`Key` or :class:`KeyChord` declarations to bind in this chord.
mode:
Boolean. Setting to ``True`` will result in the chord persisting until
Escape is pressed. Setting to ``False`` (default) will exit the chord once
the sequence has ended.
name:
A string to name the chord. The name will be displayed in the Chord
widget.
desc:
A string to describe the chord. This attribute is not directly used by Qtile
but users may want to access this when creating scripts to show configured
keybindings.
swallow:
Configures when we swallow the key binding of the chord. (Optional)
Setting it to False will forward the key binding to the focused window after the commands have been executed.
"""
def __init__(
self,
modifiers: list[str],
key: str,
submappings: list[Key | KeyChord],
mode: bool | str = False,
name: str = "",
desc: str = "",
swallow: bool = True,
):
self.modifiers = modifiers
self.key = key
submappings.append(Key([], "Escape"))
self.submappings = submappings
self.mode = mode
self.name = name
self.desc = desc
if isinstance(mode, str):
logger.warning(
"The use of `mode` to set the KeyChord name is deprecated. "
"Please use `name='%s'` instead. "
"'mode' should be a boolean value to set whether the chord is persistent (True) or not.",
mode,
)
self.name = mode
self.mode = True
self.swallow = swallow
def __repr__(self) -> str:
return "<KeyChord (%s, %s)>" % (self.modifiers, self.key)
class Mouse:
def __init__(self, modifiers: list[str], button: str, *commands: LazyCall) -> None:
self.modifiers = modifiers
self.button = button
self.commands = commands
self.button_code = int(self.button.replace("Button", ""))
self.modmask: int = 0
class Drag(Mouse):
"""
Bind commands to a dragging action.
On each motion event the bound commands are executed with two additional parameters
specifying the x and y offset from the previous position.
Parameters
==========
modifiers:
A list of modifier specifications. Modifier specifications are one of:
``"shift"``, ``"lock"``, ``"control"``, ``"mod1"``, ``"mod2"``, ``"mod3"``,
``"mod4"``, ``"mod5"``.
button:
The button used to start dragging e.g. ``"Button1"``.
commands:
A list :class:`LazyCall` objects to evaluate in sequence upon drag.
start:
A :class:`LazyCall` object to be evaluated when dragging begins. (Optional)
warp_pointer:
A :class:`bool` indicating if the pointer should be warped to the bottom right of the window
at the start of dragging. (Default: `False`)
"""
def __init__(
self,
modifiers: list[str],
button: str,
*commands: LazyCall,
start: LazyCall | None = None,
warp_pointer: bool = False,
) -> None:
super().__init__(modifiers, button, *commands)
self.start = start
self.warp_pointer = warp_pointer
def __repr__(self) -> str:
return "<Drag (%s, %s)>" % (self.modifiers, self.button)
class Click(Mouse):
"""
Bind commands to a clicking action.
Parameters
==========
modifiers:
A list of modifier specifications. Modifier specifications are one of:
``"shift"``, ``"lock"``, ``"control"``, ``"mod1"``, ``"mod2"``, ``"mod3"``,
``"mod4"``, ``"mod5"``.
button:
The button used to start dragging e.g. ``"Button1"``.
commands:
A list :class:`LazyCall` objects to evaluate in sequence upon drag.
"""
def __repr__(self) -> str:
return "<Click (%s, %s)>" % (self.modifiers, self.button)
class EzConfig:
"""
Helper class for defining key and button bindings in an Emacs-like format.
Inspired by Xmonad's XMonad.Util.EZConfig.
Splits an emacs keydef into modifiers and keys. For example:
"m-s-a" -> ['mod4', 'shift'], 'a'
"a-<minus>" -> ['mod1'], 'minus'
"C-<Tab>" -> ['control'], 'Tab'
"""
modifier_keys = {
"M": "mod4",
"A": "mod1",
"S": "shift",
"C": "control",
}
def parse(self, spec: str) -> tuple[list[str], str]:
mods = []
keys: list[str] = []
for key in spec.split("-"):
if not key:
break
if key in self.modifier_keys:
if keys:
msg = "Modifiers must always come before key/btn: %s"
raise utils.QtileError(msg % spec)
mods.append(self.modifier_keys[key])
continue
if len(key) == 1:
keys.append(key)
continue
if len(key) > 3 and key[0] == "<" and key[-1] == ">":
keys.append(key[1:-1])
continue
if not keys:
msg = "Invalid key/btn specifier: %s"
raise utils.QtileError(msg % spec)
if len(keys) > 1:
msg = "Key chains are not supported: %s" % spec
raise utils.QtileError(msg)
return mods, keys[0]
class EzKey(EzConfig, Key):
"""
Defines a keybinding using the Emacs-like format.
Parameters
==========
keydef:
The Emacs-like key specification, e.g. ``"M-S-a"``.
commands:
A list :class:`LazyCall` objects to evaluate in sequence upon keypress.
desc:
Description to be added to the key binding. (Optional)
"""
def __init__(self, keydef: str, *commands: LazyCall, desc: str = "") -> None:
modkeys, key = self.parse(keydef)
super().__init__(modkeys, key, *commands, desc=desc)
class EzKeyChord(EzConfig, KeyChord):
"""
Define a key chord using the Emacs-like format.
Parameters
==========
keydef:
The Emacs-like key specification, e.g. ``"M-S-a"``.
submappings:
A list of :class:`Key` or :class:`KeyChord` declarations to bind in this chord.
mode:
Boolean. Setting to ``True`` will result in the chord persisting until
Escape is pressed. Setting to ``False`` (default) will exit the chord once
the sequence has ended.
name:
A string to name the chord. The name will be displayed in the Chord
widget.
desc:
A string to describe the chord. This attribute is not directly used by Qtile
but users may want to access this when creating scripts to show configured
keybindings.
"""
def __init__(
self,
keydef: str,
submappings: list[Key | KeyChord],
mode: bool | str = False,
name: str = "",
desc: str = "",
):
modkeys, key = self.parse(keydef)
super().__init__(modkeys, key, submappings, mode, name, desc)
class EzClick(EzConfig, Click):
"""
Bind commands to a clicking action using the Emacs-like format.
Parameters
==========
btndef:
The Emacs-like button specification, e.g. ``"M-1"``.
commands:
A list :class:`LazyCall` objects to evaluate in sequence upon drag.
"""
def __init__(self, btndef: str, *commands: LazyCall) -> None:
modkeys, button = self.parse(btndef)
button = "Button%s" % button
super().__init__(modkeys, button, *commands)
class EzDrag(EzConfig, Drag):
"""
Bind commands to a dragging action using the Emacs-like format.
Parameters
==========
btndef:
The Emacs-like button specification, e.g. ``"M-1"``.
commands:
A list :class:`LazyCall` objects to evaluate in sequence upon drag.
start:
A :class:`LazyCall` object to be evaluated when dragging begins. (Optional)
"""
def __init__(self, btndef: str, *commands: LazyCall, start: LazyCall | None = None) -> None:
modkeys, button = self.parse(btndef)
button = "Button%s" % button
super().__init__(modkeys, button, *commands, start=start)
class ScreenRect:
def __init__(self, x: int, y: int, width: int, height: int) -> None:
self.x = x
self.y = y
self.width = width
self.height = height
def __repr__(self) -> str:
return "<%s %d,%d %d,%d>" % (
self.__class__.__name__,
self.x,
self.y,
self.width,
self.height,
)
def hsplit(self, columnwidth: int) -> tuple[ScreenRect, ScreenRect]:
assert 0 < columnwidth < self.width
return (
self.__class__(self.x, self.y, columnwidth, self.height),
self.__class__(self.x + columnwidth, self.y, self.width - columnwidth, self.height),
)
def vsplit(self, rowheight: int) -> tuple[ScreenRect, ScreenRect]:
assert 0 < rowheight < self.height
return (
self.__class__(self.x, self.y, self.width, rowheight),
self.__class__(self.x, self.y + rowheight, self.width, self.height - rowheight),
)
class Screen(CommandObject):
r"""
A physical screen, and its associated paraphernalia.
Define a screen with a given set of :class:`Bar`\s of a specific geometry. Also,
``x``, ``y``, ``width``, and ``height`` aren't specified usually unless you are
using 'fake screens'.
The ``wallpaper`` parameter, if given, should be a path to an image file. How this
image is painted to the screen is specified by the ``wallpaper_mode`` parameter. By
default, the image will be placed at the screens origin and retain its own
dimensions. If the mode is ``"fill"``, the image will be centred on the screen and
resized to fill it. If the mode is ``"stretch"``, the image is stretched to fit all
of it into the screen.
The ``x11_drag_polling_rate`` parameter specifies the rate for drag events in the X11 backend. By default this is set to None, indicating no limit. Because in the X11 backend we already handle motion notify events later, the performance should already be okay. However, to limit these events further you can use this variable and e.g. set it to your monitor refresh rate. 60 would mean that we handle a drag event 60 times per second.
"""
group: _Group
index: int
def __init__(
self,
top: BarType | None = None,
bottom: BarType | None = None,
left: BarType | None = None,
right: BarType | None = None,
wallpaper: str | None = None,
wallpaper_mode: str | None = None,
x11_drag_polling_rate: int | None = None,
x: int | None = None,
y: int | None = None,
width: int | None = None,
height: int | None = None,
) -> None:
self.top = top
self.bottom = bottom
self.left = left
self.right = right
self.wallpaper = wallpaper
self.wallpaper_mode = wallpaper_mode
self.x11_drag_polling_rate = x11_drag_polling_rate
self.qtile: Qtile | None = None
# x position of upper left corner can be > 0
# if one screen is "right" of the other
self.x = x if x is not None else 0
self.y = y if y is not None else 0
self.width = width if width is not None else 0
self.height = height if height is not None else 0
self.previous_group: _Group | None = None
def _configure(
self,
qtile: Qtile,
index: int,
x: int,
y: int,
width: int,
height: int,
group: _Group,
reconfigure_gaps: bool = False,
) -> None:
self.qtile = qtile
self.index = index
self.x = x
self.y = y
self.width = width
self.height = height
for i in self.gaps:
i._configure(qtile, self, reconfigure=reconfigure_gaps)
self.set_group(group)
if self.wallpaper:
self.wallpaper = os.path.expanduser(self.wallpaper)
self.paint(self.wallpaper, self.wallpaper_mode)
def paint(self, path: str, mode: str | None = None) -> None:
if self.qtile:
self.qtile.paint_screen(self, path, mode)
@property
def gaps(self) -> Iterable[BarType]:
return (i for i in [self.top, self.bottom, self.left, self.right] if i)
@property
def dx(self) -> int:
if self.left and getattr(self.left, "reserve", True):
return self.x + self.left.size
return self.x
@property
def dy(self) -> int:
if self.top and getattr(self.top, "reserve", True):
return self.y + self.top.size
return self.y
@property
def dwidth(self) -> int:
val = self.width
if self.left and getattr(self.left, "reserve", True):
val -= self.left.size
if self.right and getattr(self.right, "reserve", True):
val -= self.right.size
return val
@property
def dheight(self) -> int:
val = self.height
if self.top and getattr(self.top, "reserve", True):
val -= self.top.size
if self.bottom and getattr(self.bottom, "reserve", True):
val -= self.bottom.size
return val
def get_rect(self) -> ScreenRect:
return ScreenRect(self.dx, self.dy, self.dwidth, self.dheight)
def set_group(
self, new_group: _Group | None, save_prev: bool = True, warp: bool = True
) -> None:
"""Put group on this screen"""
if new_group is None:
return
if new_group.screen == self:
return
if save_prev and new_group is not self.group:
# new_group can be self.group only if the screen is getting configured for
# the first time
self.previous_group = self.group
if new_group.screen:
# g1 <-> s1 (self)
# g2 (new_group) <-> s2 to
# g1 <-> s2
# g2 <-> s1
g1 = self.group
s1 = self
g2 = new_group
s2 = new_group.screen
s2.group = g1
g1.set_screen(s2, warp)
s1.group = g2
g2.set_screen(s1, warp)
else:
assert self.qtile is not None
old_group = self.group
self.group = new_group
with self.qtile.core.masked():
# display clients of the new group and then hide from old group
# to remove the screen flickering
new_group.set_screen(self, warp)
# Can be the same group only if the screen just got configured for the
# first time - see `Qtile._process_screens`.
if old_group is not new_group:
old_group.set_screen(None, warp)
hook.fire("setgroup")
hook.fire("focus_change")
hook.fire("layout_change", self.group.layouts[self.group.current_layout], self.group)
def _toggle_group(self, group: _Group | None = None, warp: bool = True) -> None:
"""Switch to the selected group or to the previously active one"""
if group in (self.group, None) and self.previous_group:
group = self.previous_group
self.set_group(group, warp=warp)
def _items(self, name: str) -> ItemT:
if name == "layout" and self.group is not None:
return True, list(range(len(self.group.layouts)))
elif name == "window" and self.group is not None:
return True, [i.wid for i in self.group.windows]
elif name == "bar":
return False, [x.position for x in self.gaps if isinstance(x, Bar)]
elif name == "widget":
bars = (g for g in self.gaps if isinstance(g, Bar))
return False, [w.name for b in bars for w in b.widgets]
elif name == "group":
return True, [self.group.name]
return None
def _select(self, name: str, sel: str | int | None) -> CommandObject | None:
if name == "layout":
if sel is None:
return self.group.layout
else:
assert isinstance(sel, int)
return utils.lget(self.group.layouts, sel)
elif name == "window":
if sel is None:
return self.group.current_window
else:
for i in self.group.windows:
if i.wid == sel:
return i
elif name == "bar":
assert isinstance(sel, str)
bar = getattr(self, sel)
if isinstance(bar, Bar):
return bar
elif name == "widget":
for gap in self.gaps:
if not isinstance(gap, Bar):
continue
for widget in gap.widgets:
if widget.name == sel:
return widget
elif name == "group":
if sel is None:
return self.group
else:
return self.group if sel == self.group.name else None
return None
@expose_command
def resize(
self,
x: int | None = None,
y: int | None = None,
w: int | None = None,
h: int | None = None,
) -> None:
assert self.qtile is not None
if x is None:
x = self.x
if y is None:
y = self.y
if w is None:
w = self.width
if h is None:
h = self.height
self._configure(self.qtile, self.index, x, y, w, h, self.group)
for bar in [self.top, self.bottom, self.left, self.right]:
if bar:
bar.draw()
self.group.layout_all()
@expose_command()
def info(self) -> dict[str, int]:
"""Returns a dictionary of info for this screen."""
return dict(index=self.index, width=self.width, height=self.height, x=self.x, y=self.y)
@expose_command()
def next_group(self, skip_empty: bool = False, skip_managed: bool = False) -> None:
"""Switch to the next group"""
n = self.group.get_next_group(skip_empty, skip_managed)
self.set_group(n)
return n.name
@expose_command()
def prev_group(
self, skip_empty: bool = False, skip_managed: bool = False, warp: bool = True
) -> None:
"""Switch to the previous group"""
n = self.group.get_previous_group(skip_empty, skip_managed)
self.set_group(n, warp=warp)
return n.name
@expose_command()
def toggle_group(self, group_name: str | None = None, warp: bool = True) -> None:
"""Switch to the selected group or to the previously active one"""
assert self.qtile is not None
group = self.qtile.groups_map.get(group_name if group_name else "")
self._toggle_group(group, warp=warp)
@expose_command()
def set_wallpaper(self, path: str, mode: str | None = None) -> None:
"""Set the wallpaper to the given file."""
self.paint(path, mode)
class Group:
"""
Represents a "dynamic" group
These groups can spawn apps, only allow certain Matched windows to be on them, hide
when they're not in use, etc. Groups are identified by their name.
Parameters
==========
name:
The name of this group.
matches:
List of :class:`Match` objects whose matched windows will be assigned to this
group.
exclusive:
When other apps are started in this group, should we allow them here or not?
spawn:
This will be executed (via ``qtile.spawn()``) when the group is created. You can pass either a
program name or a list of programs to ``exec()``.
layout:
The name of default layout for this group (e.g. ``"max"``). This is the name
specified for a particular layout in ``config.py`` or if not defined it defaults
in general to the class name in all lower case.
layouts:
The group layouts list overriding global layouts. Use this to define a separate
list of layouts for this particular group.
persist:
Should this group stay alive when it has no member windows?
init:
Should this group be alive when Qtile starts?
layout_opts:
Options to pass to a layout.
screen_affinity:
Make a dynamic group prefer to start on a specific screen.
position:
The position of this group.
label:
The display name of the group. Use this to define a display name other than name
of the group. If set to ``None``, the display name is set to the name.
"""
def __init__(
self,
name: str,
matches: list[Match] | None = None,
exclusive: bool = False,
spawn: str | list[str] | None = None,
layout: str | None = None,
layouts: list[Layout] | None = None,
persist: bool = True,
init: bool = True,
layout_opts: dict[str, Any] | None = None,
screen_affinity: int | None = None,
position: int = sys.maxsize,
label: str | None = None,
) -> None:
self.name = name
self.label = label
self.exclusive = exclusive
self.spawn = spawn
self.layout = layout
self.layouts = layouts or []
self.persist = persist
self.init = init
self.matches = matches or []
self.layout_opts = layout_opts or {}
self.screen_affinity = screen_affinity
self.position = position
def __repr__(self) -> str:
attrs = utils.describe_attributes(
self,
[
"exclusive",
"spawn",
"layout",
"layouts",
"persist",
"init",
"matches",
"layout_opts",
"screen_affinity",
],
)
return "<config.Group %r (%s)>" % (self.name, attrs)
class ScratchPad(Group):
"""
Represents a "ScratchPad" group
ScratchPad adds a (by default) invisible group to Qtile. That group is used as a
place for currently not visible windows spawned by a :class:`DropDown`
configuration.
Parameters
==========
name:
The name of this group.
dropdowns:
:class:`DropDown` s available on the scratchpad.
position:
The position of this group.
label:
The display name of the :class:`ScratchPad` group. Defaults to the empty string
such that the group is hidden in :class:`~libqtile.widget.GroupBox` widget.
single:
If ``True``, only one of the dropdowns will be visible at a time.
"""
def __init__(
self,
name: str,
dropdowns: list[DropDown] | None = None,
position: int = sys.maxsize,
label: str = "",
single: bool = False,
) -> None:
Group.__init__(
self,
name,
layout="floating",
init=False,
position=position,
label=label,
)
self.dropdowns = dropdowns if dropdowns is not None else []
self.single = single
def __repr__(self) -> str:
return "<config.ScratchPad %r (%s)>" % (
self.name,
", ".join(dd.name for dd in self.dropdowns),
)
def convert_deprecated_list(vals: list[str], name: str) -> re.Pattern:
# make a regex with OR on word boundaries
regex_input = r"^({})$".format("|".join(map(re.escape, vals)))
logger.warning(
"Your Match with the %s property is using lists which are deprecated, replace Match(%s=%s) with Match(%s=re.compile(r\"%s\")) after importing the 're' module",
name,
name,
vals,
name,
regex_input,
)
return re.compile(regex_input)
class _Match:
"""Base class to implement bitwise logic methods for Match objects."""
def compare(self, client: base.Window) -> bool:
return True
def __invert__(self) -> InvertMatch:
return InvertMatch(self)
def __and__(self, other: _Match) -> MatchAll:
if not isinstance(other, _Match):
raise TypeError
return MatchAll(self, other)
def __or__(self, other: _Match) -> MatchAny:
if not isinstance(other, _Match):
raise TypeError
return MatchAny(self, other)
def __xor__(self, other: _Match) -> MatchOnlyOne:
if not isinstance(other, _Match):
raise TypeError
return MatchOnlyOne(self, other)
class InvertMatch(_Match):
"""Wrapper to invert the result of the comparison."""
def __init__(self, match: _Match):
self.match = match
def compare(self, client: base.Window) -> bool:
return not self.match.compare(client)
def __repr__(self) -> str:
return "<InvertMatch(%r)>" % self.match
class MatchAll(_Match):
"""Wrapper to check if all comparisons return True."""
def __init__(self, *matches: _Match):
self.matches = matches
def compare(self, client: base.Window) -> bool:
return all(m.compare(client) for m in self.matches)
def __repr__(self) -> str:
return "<MatchAll(%r)>" % (self.matches,)
class MatchAny(MatchAll):
"""Wrapper to check if at least one of the comparisons returns True."""
def compare(self, client: base.Window) -> bool:
return any(m.compare(client) for m in self.matches)
def __repr__(self) -> str:
return "<MatchAny(%r)>" % (self.matches,)
class MatchOnlyOne(_Match):
"""Wrapper to check if only one of the two comparisons returns True."""
def __init__(self, match1: _Match, match2: _Match):
self.match1 = match1
self.match2 = match2
def compare(self, client: base.Window) -> bool:
return self.match1.compare(client) != self.match2.compare(client)
def __repr__(self) -> str:
return "<MatchOnlyOne(%r, %r)>" % (self.match1, self.match2)
class Match(_Match):
"""
Window properties to compare (match) with a window.
The properties will be compared to a :class:`~libqtile.base.Window` to determine if
its properties *match*. It can match by title, wm_class, role, wm_type,
wm_instance_class, net_wm_pid, or wid. Additionally, a function may be
passed, which takes in the :class:`~libqtile.base.Window` to be compared
against and returns a boolean.
For some properties, :class:`Match` supports both regular expression objects (i.e.
the result of ``re.compile()``) or strings (match as an exact string). If a
window matches all specified values, it is considered a match.
Parameters
==========
title:
Match against the WM_NAME atom (X11) or title (Wayland).
wm_class:
Match against any value in the whole WM_CLASS atom (X11) or app ID (Wayland).
role:
Match against the WM_ROLE atom (X11 only).
wm_type:
Match against the WM_TYPE atom (X11 only).
wm_instance_class:
Match against the first string in WM_CLASS atom (X11) or app ID (Wayland).
net_wm_pid:
Match against the _NET_WM_PID atom (X11) or PID (Wayland).
func:
Delegate the match to the given function, which receives the tested client as an
argument and must return ``True`` if it matches, ``False`` otherwise.
wid:
Match against the window ID. This is a unique ID given to each window.
"""
def __init__(
self,
title: str | re.Pattern | None = None,
wm_class: str | re.Pattern | None = None,
role: str | re.Pattern | None = None,
wm_type: str | re.Pattern | None = None,
wm_instance_class: str | re.Pattern | None = None,
net_wm_pid: int | None = None,
func: Callable[[base.Window], bool] | None = None,
wid: int | None = None,
) -> None:
self._rules: dict[str, Any] = {}
if title is not None:
if isinstance(title, list): # type: ignore
title = convert_deprecated_list(title, "title") # type: ignore
self._rules["title"] = title
if wm_class is not None:
if isinstance(wm_class, list): # type: ignore
wm_class = convert_deprecated_list(wm_class, "wm_class") # type: ignore
self._rules["wm_class"] = wm_class
if wm_instance_class is not None:
if isinstance(wm_instance_class, list): # type: ignore
wm_instance_class = convert_deprecated_list( # type: ignore
wm_instance_class, "wm_instance_class"
)
self._rules["wm_instance_class"] = wm_instance_class
if wid is not None:
self._rules["wid"] = wid
if net_wm_pid is not None:
try:
self._rules["net_wm_pid"] = int(net_wm_pid)
except ValueError:
error = 'Invalid rule for net_wm_pid: "%s" only int allowed' % str(net_wm_pid)
raise utils.QtileError(error)
if func is not None:
self._rules["func"] = func
if role is not None:
if isinstance(role, list): # type: ignore
role = convert_deprecated_list(role, "role") # type: ignore
self._rules["role"] = role
if wm_type is not None:
if isinstance(wm_type, list): # type: ignore
wm_type = convert_deprecated_list(wm_type, "wm_type") # type: ignore
self._rules["wm_type"] = wm_type
@staticmethod
def _get_property_predicate(name: str, value: Any) -> Callable[..., bool]:
if name == "net_wm_pid" or name == "wid":
return lambda other: other == value
elif name == "wm_class":