Files
kovidgoyal-kitty/kitty/tabs.py

2127 lines
89 KiB
Python

#!/usr/bin/env python
# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
import json
import math
import os
import re
import stat
import weakref
from collections import deque
from collections.abc import Callable, Generator, Iterable, Iterator, Sequence
from contextlib import suppress
from functools import wraps
from gettext import gettext as _
from typing import Any, Concatenate, Deque, Literal, NamedTuple, Optional, ParamSpec, TypeVar, cast
from .borders import Border, Borders
from .child import Child
from .cli_stub import CLIOptions, SaveAsSessionOptions
from .constants import appname
from .fast_data_types import (
GLFW_MOUSE_BUTTON_LEFT,
GLFW_MOUSE_BUTTON_MIDDLE,
GLFW_PRESS,
GLFW_RELEASE,
add_tab,
attach_window,
buffer_keys_in_window,
current_focused_os_window_id,
detach_window,
draw_single_line_of_text,
get_boss,
get_click_interval,
get_options,
get_tab_being_dragged,
get_window_being_dragged,
is_tab_bar_visible,
last_focused_os_window_id,
mark_tab_bar_dirty,
monotonic,
next_window_id,
remove_tab,
remove_window,
reorder_tabs,
replace_c0_codes_except_nl_space_tab,
request_callback_with_thumbnail,
ring_bell,
set_active_tab,
set_active_window,
set_redirect_keys_to_overlay,
set_tab_being_dragged,
set_window_being_dragged,
start_drag_with_data,
swap_tabs,
sync_os_window_title,
)
from .layout.base import DragOverlayMode, Layout
from .layout.interface import create_layout_object_for, evict_cached_layouts
from .progress import ProgressState
from .tab_bar import TabBar, TabBarData, apply_title_template
from .types import ac
from .typing_compat import EdgeLiteral, SessionTab, SessionType, TypedDict
from .utils import cmdline_for_hold, color_as_int, log_error, platform_window_id, resolved_shell, shlex_split, which
from .window import CwdRequest, Watchers, Window, WindowCreationSpec, WindowDict, global_watchers
from .window_list import WindowList
P = ParamSpec('P')
T = TypeVar('T')
def update_tab_bar_visibility(func: Callable[Concatenate['TabManager', P], T]) -> Callable[Concatenate['TabManager', P], T]:
@wraps(func)
def wrapper(self: 'TabManager', *args: P.args, **kwargs: P.kwargs) -> T:
visible_before = is_tab_bar_visible(self.os_window_id)
try:
return func(self, *args, **kwargs)
finally:
if visible_before != self.tab_bar_should_be_visible:
if not self.tab_bar_hidden:
self.layout_tab_bar()
self.resize(only_tabs=True)
return cast(Callable[Concatenate['TabManager', P], T], wrapper)
class MouseEvent(NamedTuple):
button: int
modifiers: int
is_press: bool
at: float
x: float
y: float
object_id: int = 0
def distance_squared(self, other: 'MouseEvent') -> float:
return (self.x - other.x) * (self.x - other.x) + (self.y - other.y) * (self.y - other.y)
def is_click(self, prev: 'MouseEvent') -> bool:
cur = self
return (
cur.button == prev.button and prev.is_press and not cur.is_press and
cur.distance_squared(prev) < 25 and
cur.object_id == prev.object_id and cur.at - prev.at <= get_click_interval()
)
class MouseEvents(deque[MouseEvent]):
def add(self, button: int, modifiers: int, action: int, x: float, y: float, object_id: int) -> None:
super().append(MouseEvent(button, modifiers, action != GLFW_RELEASE, monotonic(), x, y, object_id))
if len(self) > 5:
self.popleft()
def click_count(self, button: int = GLFW_MOUSE_BUTTON_LEFT) -> Literal[0, 1, 2]:
if len(self) > 1 and self[-1].button == button and self[-1].is_click(self[-2]):
if len(self) > 3 and self[-3].is_click(self[-4]) and \
self[-1].at - self[-4].at <= 2 * get_click_interval() and self[-2].distance_squared(self[-3]) < 2:
return 2
return 1
return 0
def dump(self) -> None:
for x in self:
print(x)
class TabDict(TypedDict):
id: int
is_focused: bool
is_active: bool
title: str
title_overridden: bool
layout: str
layout_state: dict[str, Any]
layout_opts: dict[str, Any]
enabled_layouts: list[str]
windows: list[WindowDict]
groups: list[dict[str, Any]]
active_window_history: list[int]
class SpecialWindowInstance(NamedTuple):
cmd: list[str] | None
stdin: bytes | None
override_title: str | None
cwd_from: CwdRequest | None
cwd: str | None
overlay_for: int | None
env: dict[str, str] | None
watchers: Watchers | None
overlay_behind: bool
hold: bool
def SpecialWindow(
cmd: list[str] | None,
stdin: bytes | None = None,
override_title: str | None = None,
cwd_from: CwdRequest | None = None,
cwd: str | None = None,
overlay_for: int | None = None,
env: dict[str, str] | None = None,
watchers: Watchers | None = None,
overlay_behind: bool = False,
hold: bool = False,
) -> SpecialWindowInstance:
return SpecialWindowInstance(cmd, stdin, override_title, cwd_from, cwd, overlay_for, env, watchers, overlay_behind, hold)
def add_active_id_to_history(items: Deque[int], item_id: int, maxlen: int = 64) -> None:
with suppress(ValueError):
items.remove(item_id)
items.append(item_id)
if len(items) > maxlen:
items.popleft()
class Tab: # {{{
active_fg: int | None = None
active_bg: int | None = None
inactive_fg: int | None = None
inactive_bg: int | None = None
confirm_close_window_id: int = 0
force_show_title_bars: bool = False
renaming_in_window: int = 0
num_of_windows_with_progress: int = 0
total_progress: int = 0
has_indeterminate_progress: bool = False
last_focused_window_with_progress_id: int = 0
allow_relayouts: bool = True
def __init__(
self,
tab_manager: 'TabManager',
session_tab: Optional['SessionTab'] = None,
special_window: SpecialWindowInstance | None = None,
cwd_from: CwdRequest | None = None,
no_initial_window: bool = False,
session_name: str = '',
):
self.created_in_session_name = session_name
self.tab_manager_ref = weakref.ref(tab_manager)
self.os_window_id: int = tab_manager.os_window_id
self.id: int = add_tab(self.os_window_id)
if not self.id:
raise Exception(f'No OS window with id {self.os_window_id} found, or tab counter has wrapped')
self.args = tab_manager.args
self.name = getattr(session_tab, 'name', '')
self.enabled_layouts = [x.lower() for x in getattr(session_tab, 'enabled_layouts', None) or get_options().enabled_layouts]
self.borders = Borders(self.os_window_id, self.id)
self.windows: WindowList = WindowList(self)
self._last_used_layout: str | None = None
self._current_layout_name: str | None = None
self.cwd = self.args.directory
if no_initial_window:
self._set_current_layout(self.enabled_layouts[0])
elif session_tab is None:
sl = self.enabled_layouts[0]
self._set_current_layout(sl)
if special_window is None:
self.new_window(cwd_from=cwd_from)
else:
self.new_special_window(special_window)
else:
if session_tab.cwd:
self.cwd = session_tab.cwd
l0 = session_tab.layout
self._set_current_layout(l0)
self.startup(session_tab)
def update_progress(self) -> None:
self.num_of_windows_with_progress = 0
self.total_progress = 0
self.last_focused_window_with_progress_id = 0
self.has_indeterminate_progress = False
focused_at = 0.
for window in self:
p = window.progress
if p.state is ProgressState.unset:
continue
if p.state in (ProgressState.set, ProgressState.paused):
self.total_progress += p.percent
self.num_of_windows_with_progress += 1
elif p.state is ProgressState.indeterminate:
self.has_indeterminate_progress = True
if window.last_focused_at > focused_at or (not window.last_focused_at and window.id > self.last_focused_window_with_progress_id):
focused_at = window.last_focused_at
self.last_focused_window_with_progress_id = window.id
self.mark_tab_bar_dirty()
tm = self.tab_manager_ref()
if tm is not None:
tm.update_progress()
def has_single_window_visible(self) -> bool:
if self.current_layout.only_active_window_visible:
return True
for i, g in enumerate(self.windows.iter_all_layoutable_groups(only_visible=True)):
if i > 0:
return False
return True
def set_enabled_layouts(self, val: Iterable[str]) -> None:
self.enabled_layouts = [x.lower() for x in val] or ['tall']
if self.current_layout.name not in self.enabled_layouts:
self._set_current_layout(self.enabled_layouts[0])
self.relayout()
def apply_options(self, is_active: bool) -> None:
aw = self.active_window
for window in self:
window.apply_options(is_active and aw is window)
self.set_enabled_layouts(get_options().enabled_layouts)
def take_over_from(self, other_tab: 'Tab') -> None:
self.name, self.cwd = other_tab.name, other_tab.cwd
self.enabled_layouts = list(other_tab.enabled_layouts)
self._last_used_layout = other_tab._last_used_layout
if clname := other_tab._current_layout_name:
cl = other_tab.current_layout
other_tab._set_current_layout(clname)
cl.set_owner(self.os_window_id, self.id)
self.current_layout: Layout = cl
self._current_layout_name = clname
self.mark_tab_bar_dirty()
for window in other_tab.windows:
detach_window(other_tab.os_window_id, other_tab.id, window.id)
self.windows = other_tab.windows
self.windows.change_tab(self)
other_tab.windows = WindowList(other_tab)
for window in self.windows:
window.change_tab(self)
attach_window(self.os_window_id, self.id, window.id)
self.active_window_changed()
self.relayout()
def _set_current_layout(self, layout_name: str) -> None:
self._last_used_layout = self._current_layout_name
self.current_layout = self.create_layout_object(layout_name)
self._current_layout_name = layout_name
self.mark_tab_bar_dirty()
def startup(self, session_tab: SessionTab) -> None:
self.allow_relayouts = False
try:
self._startup(session_tab)
finally:
self.allow_relayouts = True
self.relayout()
def _startup(self, session_tab: SessionTab) -> None:
target_tab = self
boss = get_boss()
active_window_id = 0
did_focus_matching_spec = False
first_window_id = 0
for i, window in enumerate(session_tab.windows):
spec = window.launch_spec
launched_window: Window | None = None
if isinstance(spec, SpecialWindowInstance):
launched_window = self.new_special_window(spec)
if launched_window is not None:
launched_window.created_in_session_name = self.created_in_session_name
else:
from .launch import launch
spec.opts.add_to_session = self.created_in_session_name
launched_window = launch(
boss, spec.opts, spec.args, target_tab=target_tab, force_target_tab=True,
startup_command_via_shell_integration=window.run_command_at_shell_startup)
if launched_window is not None:
launched_window.serialized_id = window.serialized_id
if launched_window is not None:
if not first_window_id:
first_window_id = launched_window.id
if session_tab.active_window_idx == i:
active_window_id = launched_window.id
did_focus_matching_spec = False
if window.resize_spec is not None:
self.resize_window(*window.resize_spec)
if window.focus_matching_window_spec:
# include windows from this tab when matching windows
all_windows = list(boss.all_windows)
awq = {w.id for w in all_windows}
all_windows.extend(w for w in self if w.id not in awq)
for w in boss.match_windows(
window.focus_matching_window_spec, launched_window or boss.active_window, all_windows
):
tab = w.tabref()
if tab:
did_focus_matching_spec = True
active_window_id = 0
target_tab = tab or self
tm = tab.tab_manager_ref()
if tm and boss.active_tab is not target_tab:
tm.set_active_tab(target_tab)
if target_tab.active_window is not w:
target_tab.set_active_window(w)
boss.focus_os_window(w.os_window_id)
if not did_focus_matching_spec and not active_window_id:
active_window_id = first_window_id
if active_window_id and not did_focus_matching_spec:
self.windows.set_active_window_group_for(active_window_id)
if session_tab.layout_state:
self.current_layout.unserialize(session_tab.layout_state, self.windows)
def serialize_state(self) -> dict[str, Any]:
return {
'version': 1,
'id': self.id,
'window_list': self.windows.serialize_state(),
'current_layout': self._current_layout_name,
'last_used_layout': self._last_used_layout,
'layout_state': self.current_layout.serialize(self.windows),
'enabled_layouts': self.enabled_layouts,
'name': self.name,
}
def serialize_state_as_session(self, session_path: str, matched_windows: frozenset[Window] | None, ser_opts: SaveAsSessionOptions) -> list[str]:
import shlex
launch_cmds = []
active_idx = self.windows.active_group_idx
groups = tuple(self.windows.iter_all_layoutable_groups())
session_base_dir = os.path.dirname(session_path) if session_path else ''
def make_relative(cwd: str) -> str:
if session_base_dir and ser_opts.relocatable:
cwd = os.path.relpath(cwd, session_base_dir)
return cwd
most_common_cwd = ''
cwds = {w.id: make_relative(w.cwd_for_serialization) for g in groups for w in g}
if cwds:
from collections import Counter
most_common_cwd, _ = Counter(cwds.values()).most_common(1)[0]
for i, g in enumerate(groups):
gw: list[str] = []
for window in g:
if matched_windows is not None and window not in matched_windows:
continue
cwd = cwds[window.id]
lc = window.as_launch_command(ser_opts, '' if cwd == most_common_cwd else cwd, is_overlay=bool(gw))
if lc:
gw.append(shlex.join(lc))
if gw:
launch_cmds.extend(gw)
if i == active_idx:
launch_cmds.append('focus')
if launch_cmds:
enabled_layouts = list(self.enabled_layouts)
layout = self._current_layout_name
if layout not in enabled_layouts:
enabled_layouts.append(layout)
return [
'',
f'new_tab {self.name}'.rstrip(),
f'layout {layout}',
f'enabled_layouts {",".join(enabled_layouts)}',
f'set_layout_state {json.dumps(self.current_layout.serialize(self.windows))}',
f'cd {most_common_cwd}',
''
] + launch_cmds
return []
def data_for_tab_bar(self, is_active: bool) -> TabBarData:
t = self
title = t.name or t.title or appname
needs_attention = False
has_activity_since_last_focus = False
for w in t:
if w.needs_attention:
needs_attention = True
if w.has_activity_since_last_focus:
has_activity_since_last_focus = True
return TabBarData(
title, is_active, needs_attention, t.id, t.os_window_id,
len(t), t.num_window_groups, t.current_layout.name or '',
has_activity_since_last_focus, t.active_fg, t.active_bg,
t.inactive_fg, t.inactive_bg, t.num_of_windows_with_progress,
t.total_progress, t.last_focused_window_with_progress_id,
t.created_in_session_name, t.active_session_name,
)
def active_window_changed(self) -> None:
w = self.active_window
set_active_window(self.os_window_id, self.id, 0 if w is None else w.id)
self.mark_tab_bar_dirty()
self.relayout_borders()
self.current_layout.update_visibility(self.windows)
def mark_tab_bar_dirty(self) -> None:
tm = self.tab_manager_ref()
if tm is not None:
tm.mark_tab_bar_dirty()
@property
def active_window(self) -> Window | None:
return self.windows.active_window
@property
def active_window_for_cwd(self) -> Window | None:
return self.windows.active_group_main
@property
def title(self) -> str:
w = self.active_window
return w.title if w else appname
@property
def effective_title(self) -> str:
return self.name or self.title
def get_cwd_of_active_window(self, oldest: bool = False) -> str | None:
w = self.active_window
return w.get_cwd_of_child(oldest) if w else None
def get_exe_of_active_window(self, oldest: bool = False) -> str | None:
w = self.active_window
return w.get_exe_of_child(oldest) if w else None
def set_title(self, title: str) -> None:
self.name = title or ''
self.mark_tab_bar_dirty()
def update_window_title_bars(self) -> None:
active_group = self.windows.active_group
for wg in self.windows.iter_all_layoutable_groups(only_visible=True):
is_active = wg is active_group
for w in wg.windows:
w.update_title_bar(is_active=is_active)
def title_changed(self, window: Window) -> None:
self.update_window_title_bars()
if window is self.active_window:
tm = self.tab_manager_ref()
if tm is not None:
tm.title_changed(self)
def on_bell(self, window: Window) -> None:
self.mark_tab_bar_dirty()
def relayout(self) -> None:
if self.allow_relayouts:
if self.windows:
self.windows.force_show_title_bars = self.force_show_title_bars
self.current_layout(self.windows)
self.windows.force_show_title_bars = False
self.relayout_borders()
def relayout_borders(self) -> None:
tm = self.tab_manager_ref()
if tm is not None:
ly = self.current_layout
opts = get_options()
draw_borders = (
ly.must_draw_borders or opts.draw_window_borders_for_single_window or
(ly.needs_window_borders and self.windows.has_more_than_one_visible_group)
)
self.borders(
all_windows=self.windows,
current_layout=ly, tab_bar_rects=tm.tab_bar_rects,
draw_window_borders=draw_borders
)
self.update_window_title_bars()
def create_layout_object(self, name: str) -> Layout:
return create_layout_object_for(name, self.os_window_id, self.id)
@ac('lay', 'Go to the next enabled layout. Can optionally supply an integer to jump by the specified number.')
def next_layout(self, delta: int = 1) -> None:
if len(self.enabled_layouts) > 1:
for i, layout_name in enumerate(self.enabled_layouts):
if layout_name == self.current_layout.full_name:
idx = i
break
else:
idx = -1
if abs(delta) >= len(self.enabled_layouts):
mult = -1 if delta < 0 else 1
delta = mult * (abs(delta) % len(self.enabled_layouts))
nl = self.enabled_layouts[(idx + delta + len(self.enabled_layouts)) % len(self.enabled_layouts)]
self._set_current_layout(nl)
self.relayout()
@ac('lay', 'Go to the previously used layout')
def last_used_layout(self) -> None:
if len(self.enabled_layouts) > 1 and self._last_used_layout and self._last_used_layout != self._current_layout_name:
self._set_current_layout(self._last_used_layout)
self.relayout()
@ac('lay', '''
Switch to the named layout
In case there are multiple layouts with the same name and different options,
specify the full layout definition or a unique prefix of the full definition.
For example::
map f1 goto_layout tall
map f2 goto_layout fat:bias=20
''')
def goto_layout(self, layout_name: str, raise_exception: bool = False) -> None:
layout_name = layout_name.lower()
q, has_colon, rest = layout_name.partition(':')
matches = []
prefix_matches = []
matched_layout = ''
for candidate in self.enabled_layouts:
x, _, _ = candidate.partition(':')
if x == q:
if candidate == layout_name:
matched_layout = candidate
break
if candidate.startswith(layout_name):
prefix_matches.append(candidate)
matches.append(x)
if not matched_layout:
if len(prefix_matches) == 1:
matched_layout = prefix_matches[0]
elif len(matches) == 1:
matched_layout = matches[0]
if matched_layout:
self._set_current_layout(matched_layout)
self.relayout()
else:
if len(matches) == 0:
if raise_exception:
raise ValueError(layout_name)
log_error(f'Unknown or disabled layout: {layout_name}')
elif len(matches) != 1:
if raise_exception:
raise ValueError(layout_name)
log_error(f'Multiple layouts match: {layout_name}')
@ac('lay', '''
Toggle the named layout
Switches to the named layout if another layout is current, otherwise
switches to the last used layout. Useful to "zoom" a window temporarily
by switching to the stack layout. See also :opt:`scrollback_fill_enlarged_window`
if you would like content from the scrollback buffer to scroll down into the
zoomed window. For example::
map f1 toggle_layout stack
''')
def toggle_layout(self, layout_name: str) -> None:
if self._current_layout_name == layout_name:
self.last_used_layout()
else:
self.goto_layout(layout_name)
def resize_window_by(self, window_id: int, increment: float, is_horizontal: bool) -> str | None:
increment_as_percent = self.current_layout.bias_increment_for_cell(self.windows, is_horizontal) * increment
if self.current_layout.modify_size_of_window(self.windows, window_id, increment_as_percent, is_horizontal):
self.relayout()
return None
return 'Could not resize'
def drag_resize_window(self, object_id: int, increment: float, is_horizontal: bool) -> bool:
increment_as_percent = self.current_layout.bias_increment_for_cell(self.windows, is_horizontal) * increment
if resized := self.current_layout.drag_resize_window(self.windows, object_id, increment_as_percent, is_horizontal):
self.relayout()
return resized
@ac('win', '''
Resize the active window by the specified amount
See :ref:`window_resizing` for details.
''')
def resize_window(self, quality: str, increment: int) -> None:
if quality == 'reset':
self.reset_window_sizes()
return
if increment < 1:
raise ValueError(increment)
is_horizontal = quality in ('wider', 'narrower')
increment *= 1 if quality in ('wider', 'taller') else -1
w = self.active_window
if w is not None and self.resize_window_by(
w.id, increment, is_horizontal) is not None:
if get_options().enable_audio_bell:
ring_bell(self.os_window_id)
@ac('win', 'Reset window sizes undoing any dynamic resizing of windows')
def reset_window_sizes(self) -> None:
if self.current_layout.remove_all_biases():
self.relayout()
@ac('lay', 'Perform a layout specific action. See :doc:`layouts` for details')
def layout_action(self, action_name: str, args: Sequence[str]) -> None:
ret = self.current_layout.layout_action(action_name, args, self.windows)
if ret is None:
if get_options().enable_audio_bell:
ring_bell(self.os_window_id)
return
self.relayout()
def launch_child(
self,
use_shell: bool = False,
cmd: list[str] | None = None,
stdin: bytes | None = None,
cwd_from: CwdRequest | None = None,
cwd: str | None = None,
env: dict[str, str] | None = None,
is_clone_launch: str = '',
add_listen_on_env_var: bool = True,
hold: bool = False,
pass_fds: tuple[int, ...] = (),
remote_control_fd: int = -1,
hold_after_ssh: bool = False,
startup_command_via_shell_integration: Sequence[str] | str = (),
) -> Child:
check_for_suitability = True
if cmd is None:
if use_shell:
cmd = resolved_shell(get_options())
check_for_suitability = False
else:
if self.args.args:
cmd = list(self.args.args)
else:
cmd = resolved_shell(get_options())
check_for_suitability = False
if check_for_suitability:
old_exe = cmd[0]
if not os.path.isabs(old_exe):
actual_exe = which(old_exe)
old_exe = actual_exe if actual_exe else os.path.abspath(old_exe)
try:
is_executable = os.access(old_exe, os.X_OK)
except OSError:
pass
else:
try:
st = os.stat(old_exe)
except OSError:
pass
else:
if stat.S_ISDIR(st.st_mode):
cwd = old_exe
cmd = resolved_shell(get_options())
elif not is_executable:
with suppress(OSError):
with open(old_exe) as f:
if f.read(2) == '#!':
line = f.read(4096).splitlines()[0]
cmd[:0] = shlex_split(line)
else:
cmd[:0] = [resolved_shell(get_options())[0]]
cmd[0] = which(cmd[0]) or cmd[0]
cmd = cmdline_for_hold(cmd)
fenv: dict[str, str] = {}
if env:
fenv.update(env)
fenv['KITTY_WINDOW_ID'] = str(next_window_id())
pwid = platform_window_id(self.os_window_id)
if pwid is not None:
fenv['WINDOWID'] = str(pwid)
ans = Child(
cmd, cwd or self.cwd, stdin, fenv, cwd_from, is_clone_launch=is_clone_launch,
add_listen_on_env_var=add_listen_on_env_var, hold=hold, pass_fds=pass_fds,
remote_control_fd=remote_control_fd, hold_after_ssh=hold_after_ssh,
startup_command_via_shell_integration=startup_command_via_shell_integration)
ans.fork()
return ans
def _add_window(
self, window: Window, location: str | None = None, overlay_for: int | None = None,
overlay_behind: bool = False, bias: float | None = None, next_to: Window | None = None,
) -> None:
self.current_layout.add_window(self.windows, window, location, overlay_for, put_overlay_behind=overlay_behind, bias=bias, next_to=next_to)
if overlay_behind and (w := self.active_window):
set_redirect_keys_to_overlay(self.os_window_id, self.id, w.id, window.id)
buffer_keys_in_window(self.os_window_id, self.id, window.id, True)
window.keys_redirected_till_ready_from = w.id
self.mark_tab_bar_dirty()
self.relayout()
def new_window(
self,
use_shell: bool = True,
cmd: list[str] | None = None,
stdin: bytes | None = None,
override_title: str | None = None,
cwd_from: CwdRequest | None = None,
cwd: str | None = None,
overlay_for: int | None = None,
env: dict[str, str] | None = None,
location: str | None = None,
copy_colors_from: Window | None = None,
allow_remote_control: bool = False,
marker: str | None = None,
watchers: Watchers | None = None,
overlay_behind: bool = False,
is_clone_launch: str = '',
remote_control_passwords: dict[str, Sequence[str]] | None = None,
hold: bool = False,
bias: float | None = None,
pass_fds: tuple[int, ...] = (),
remote_control_fd: int = -1,
next_to: Window | None = None,
hold_after_ssh: bool = False,
startup_command_via_shell_integration: Sequence[str] | str = (),
) -> Window:
cs = WindowCreationSpec(
use_shell=use_shell, cmd=cmd, has_stdin=bool(stdin), override_title=override_title, cwd_from=cwd_from,
cwd=cwd, overlay_for=overlay_for, env=None if env is None else tuple(env.items()), location=location,
copy_colors_from=None if copy_colors_from is None else copy_colors_from.id,
allow_remote_control=allow_remote_control,
remote_control_passwords=None if remote_control_passwords is None else remote_control_passwords.copy(),
marker=marker, overlay_behind=overlay_behind, is_clone_launch=is_clone_launch, hold=hold, bias=bias,
hold_after_ssh=hold_after_ssh,
)
child = self.launch_child(
use_shell=use_shell, cmd=cmd, stdin=stdin, cwd_from=cwd_from, cwd=cwd, env=env,
is_clone_launch=is_clone_launch, add_listen_on_env_var=False if allow_remote_control and remote_control_passwords else True,
hold=hold, pass_fds=pass_fds, remote_control_fd=remote_control_fd, hold_after_ssh=hold_after_ssh,
startup_command_via_shell_integration=startup_command_via_shell_integration,
)
window = Window(
self, child, self.args, override_title=override_title,
copy_colors_from=copy_colors_from, watchers=watchers,
allow_remote_control=allow_remote_control, remote_control_passwords=remote_control_passwords
)
window.creation_spec = cs
# Must add child before laying out so that resize_pty succeeds
get_boss().add_child(window)
self._add_window(window, location=location, overlay_for=overlay_for, overlay_behind=overlay_behind, bias=bias, next_to=next_to)
if marker:
try:
window.set_marker(marker)
except Exception:
import traceback
traceback.print_exc()
return window
def new_special_window(
self,
special_window: SpecialWindowInstance,
location: str | None = None,
copy_colors_from: Window | None = None,
allow_remote_control: bool = False,
remote_control_passwords: dict[str, Sequence[str]] | None = None,
pass_fds: tuple[int, ...] = (),
remote_control_fd: int = -1,
) -> Window:
return self.new_window(
use_shell=False, cmd=special_window.cmd, stdin=special_window.stdin,
override_title=special_window.override_title,
cwd_from=special_window.cwd_from, cwd=special_window.cwd, overlay_for=special_window.overlay_for,
env=special_window.env, location=location, copy_colors_from=copy_colors_from,
allow_remote_control=allow_remote_control, watchers=special_window.watchers, overlay_behind=special_window.overlay_behind,
hold=special_window.hold, remote_control_passwords=remote_control_passwords, pass_fds=pass_fds, remote_control_fd=remote_control_fd,
)
@ac('win', 'Close all windows in the tab other than the currently active window')
def close_other_windows_in_tab(self) -> None:
if len(self.windows) > 1:
active_window = self.active_window
for window in tuple(self.windows):
if window is not active_window:
self.remove_window(window)
def move_window_to_top_of_group(self, window: Window) -> bool:
return self.windows.move_window_to_top_of_group(window)
def overlay_parent(self, window: Window) -> Window | None:
prev: Window | None = None
for x in self.windows.windows_in_group_of(window):
if x is window:
break
prev = x
return prev
def remove_window(self, window: Window, destroy: bool = True, do_post_removal_update: bool = True) -> None:
self.windows.remove_window(window)
if destroy:
remove_window(self.os_window_id, self.id, window.id)
else:
detach_window(self.os_window_id, self.id, window.id)
if do_post_removal_update:
self.post_window_removal_update()
def post_window_removal_update(self) -> None:
self.mark_tab_bar_dirty()
self.relayout() # prunes the closed window from the layout's internal tree
# equalize_on_close rebalances the pruned tree, requiring a second relayout
if self.current_layout.on_window_removed(self.windows):
self.relayout()
active_window = self.active_window
if active_window:
self.title_changed(active_window)
set_active_window(self.os_window_id, self.id, active_window.id if active_window else 0)
def detach_window(self, window: Window) -> tuple[Window, ...]:
windows = list(self.windows.windows_in_group_of(window))
for w in reversed(windows):
self.remove_window(w, destroy=False, do_post_removal_update=False)
self.post_window_removal_update()
return tuple(windows)
def attach_window(self, window: Window, overlay_for: int | None = None) -> None:
window.change_tab(self)
attach_window(self.os_window_id, self.id, window.id)
self._add_window(window, overlay_for=overlay_for)
def attach_windows(self, windows: Iterable[Window]) -> None:
overlay_for: int | None = None
for window in windows:
self.attach_window(window, overlay_for)
overlay_for = window.id
def set_active_window(self, x: Window | int, for_keep_focus: Window | None = None) -> None:
if (w := self.windows.window_for_id(x) if isinstance(x, int) else x) is not None:
self.windows.set_active_window_group_for(w, for_keep_focus=for_keep_focus)
self.windows.move_window_to_top_of_group(w)
def get_nth_window(self, n: int) -> Window | None:
if self.windows:
return self.current_layout.nth_window(self.windows, n)
return None
@ac('win', '''
Focus the nth window if positive or the previously active windows if negative. When the number is larger
than the number of windows focus the last window. For example::
# focus the previously active window
map ctrl+p nth_window -1
# focus the first window
map ctrl+1 nth_window 0
''')
def nth_window(self, num: int = 0) -> None:
if self.windows:
if num < 0:
self.windows.make_previous_group_active(-num)
elif self.windows.num_groups:
self.current_layout.activate_nth_window(self.windows, min(num, self.windows.num_groups - 1))
self.relayout_borders()
@ac('win', 'Focus the first window')
def first_window(self) -> None:
self.nth_window(0)
@ac('win', 'Focus the second window')
def second_window(self) -> None:
self.nth_window(1)
@ac('win', 'Focus the third window')
def third_window(self) -> None:
self.nth_window(2)
@ac('win', 'Focus the fourth window')
def fourth_window(self) -> None:
self.nth_window(3)
@ac('win', 'Focus the fifth window')
def fifth_window(self) -> None:
self.nth_window(4)
@ac('win', 'Focus the sixth window')
def sixth_window(self) -> None:
self.nth_window(5)
@ac('win', 'Focus the seventh window')
def seventh_window(self) -> None:
self.nth_window(6)
@ac('win', 'Focus the eighth window')
def eighth_window(self) -> None:
self.nth_window(7)
@ac('win', 'Focus the ninth window')
def ninth_window(self) -> None:
self.nth_window(8)
@ac('win', 'Focus the tenth window')
def tenth_window(self) -> None:
self.nth_window(9)
def _next_window(self, delta: int = 1) -> None:
if len(self.windows) > 1:
self.current_layout.next_window(self.windows, delta)
self.relayout_borders()
@ac('win', 'Focus the next window in the current tab. Does not traverse overlay windows.')
def next_window(self) -> None:
self._next_window()
@ac('win', 'Focus the previous window in the current tab. Does not traverse overlay windows.')
def previous_window(self) -> None:
self._next_window(-1)
prev_window = previous_window
def most_recent_group(self, groups: Sequence[int]) -> int | None:
groups_set = frozenset(groups)
for window_id in reversed(self.windows.active_window_history):
group = self.windows.group_for_window(window_id)
if group and group.id in groups_set:
return group.id
if groups:
return groups[0]
return None
def nth_active_window_id(self, n: int = 0) -> int:
if n <= 0:
return self.active_window.id if self.active_window else 0
ids = tuple(reversed(self.windows.active_window_history))
return ids[min(n - 1, len(ids) - 1)] if ids else 0
def neighboring_group_id(self, which: EdgeLiteral) -> int | None:
neighbors = self.current_layout.neighbors(self.windows)
candidates = neighbors.get(which)
if candidates:
return self.most_recent_group(candidates)
return None
@ac('win', '''
Focus the neighboring window in the current tab
For example::
map ctrl+left neighboring_window left
map ctrl+down neighboring_window bottom
''')
def neighboring_window(self, which: EdgeLiteral) -> None:
neighbor = self.neighboring_group_id(which)
if neighbor:
self.windows.set_active_group(neighbor)
@ac('win', '''
Move the window in the specified direction
For example::
map ctrl+left move_window left
map ctrl+down move_window bottom
''')
def move_window(self, delta: EdgeLiteral | int = 1) -> None:
if isinstance(delta, int):
if self.current_layout.move_window(self.windows, delta):
self.relayout()
elif isinstance(delta, str):
neighbor = self.neighboring_group_id(delta)
if neighbor:
if self.current_layout.move_window_to_group(self.windows, neighbor):
self.relayout()
def swap_active_window_with(self, window_id: int) -> None:
group = self.windows.group_for_window(window_id)
if group is not None:
w = self.active_window
if w is not None and w.id != window_id:
if self.current_layout.move_window_to_group(self.windows, group.id):
self.relayout()
@property
def all_window_ids_except_active_window(self) -> set[int]:
all_window_ids = {w.id for w in self}
aw = self.active_window
if aw is not None:
all_window_ids.discard(aw.id)
return all_window_ids
@ac('win', '''
Focus a visible window by pressing the number of the window. Window numbers are displayed
over the windows for easy selection in this mode. See :opt:`visual_window_select_characters`.
''')
def focus_visible_window(self) -> None:
def callback(tab: Tab | None, window: Window | None) -> None:
if tab and window:
tab.set_active_window(window)
get_boss().visual_window_select_action(self, callback, 'Choose window to switch to', only_window_ids=self.all_window_ids_except_active_window)
@ac('win', 'Swap the current window with another window in the current tab, selected visually. See :opt:`visual_window_select_characters`')
def swap_with_window(self) -> None:
def callback(tab: Tab | None, window: Window | None) -> None:
if tab and window:
tab.swap_active_window_with(window.id)
get_boss().visual_window_select_action(self, callback, 'Choose window to swap with', only_window_ids=self.all_window_ids_except_active_window)
@ac('win', 'Move active window to the top (make it the first window)')
def move_window_to_top(self) -> None:
n = self.windows.active_group_idx
if n > 0:
self.move_window(-n)
@ac('win', 'Move active window forward (swap it with the next window)')
def move_window_forward(self) -> None:
self.move_window()
@ac('win', 'Move active window backward (swap it with the previous window)')
def move_window_backward(self) -> None:
self.move_window(-1)
def list_windows(self, self_window: Window | None = None, window_filter: Callable[[Window], bool] | None = None) -> Generator[WindowDict, None, None]:
active_window = self.active_window
cl = self.current_layout
for w in self:
if window_filter is None or window_filter(w):
yield w.as_dict(
is_active=w is active_window,
is_focused=w.os_window_id == current_focused_os_window_id() and w is active_window,
is_self=w is self_window,
neighbors_map=cl.neighbors_for_window(w, self.windows)
)
def list_groups(self) -> list[dict[str, Any]]:
return [g.as_simple_dict() for g in self.windows.groups]
def matches_query(
self, field: str, query: str, active_tab_manager: Optional['TabManager'] = None,
active_session: str = '', most_recent_session: str = ''
) -> bool:
match field:
case 'title':
return re.search(query, self.effective_title) is not None
case 'id':
return query == str(self.id)
case 'window_id' | 'window_title':
field = field.partition('_')[-1]
for w in self:
if w.matches_query(field, query):
return True
return False
case 'var' | 'env':
for w in self:
if w.matches_query(field, query):
return True
return False
case 'index':
if active_tab_manager and len(active_tab_manager.tabs):
idx = (int(query) + len(active_tab_manager.tabs)) % len(active_tab_manager.tabs)
return active_tab_manager.tabs[idx] is self
return False
case 'recent':
if active_tab_manager and len(active_tab_manager.tabs):
return self is active_tab_manager.nth_active_tab(int(query))
return False
case 'state':
match query:
case 'active':
tm = self.tab_manager_ref()
return tm is not None and self is tm.active_tab
case 'focused':
return active_tab_manager is not None and self is active_tab_manager.active_tab and self.os_window_id == last_focused_os_window_id()
case 'needs_attention':
for w in self:
if w.needs_attention:
return True
case 'parent_active':
return active_tab_manager is not None and self.tab_manager_ref() is active_tab_manager
case 'parent_focused':
return active_tab_manager is not None and \
self.tab_manager_ref() is active_tab_manager and self.os_window_id == last_focused_os_window_id()
case 'focused_os_window':
return self.os_window_id == last_focused_os_window_id()
return False
case 'session':
match query:
case '.':
return self.created_in_session_name == active_session
case '~':
return self.created_in_session_name == active_session or self.created_in_session_name == most_recent_session
return re.search(query, self.created_in_session_name) is not None
return False
def __iter__(self) -> Iterator[Window]:
return iter(self.windows)
def __len__(self) -> int:
return len(self.windows)
@property
def num_window_groups(self) -> int:
return self.windows.num_groups
@property
def active_session_name(self) -> str:
w = self.active_window
return '' if w is None else w.created_in_session_name
def __contains__(self, window: Window) -> bool:
return window in self.windows
def destroy(self) -> None:
evict_cached_layouts(self.id)
for w in self.windows:
w.destroy()
self.windows = WindowList(self)
def __repr__(self) -> str:
return f'Tab(title={self.effective_title}, id={self.id})'
def make_active(self) -> None:
tm = self.tab_manager_ref()
if tm is not None:
tm.set_active_tab(self)
def swap_windows(self, window_a: Window, window_b: Window) -> None:
if (wg_b := self.windows.group_for_window(window_b)) is None:
return
with get_boss().suppress_focus_change_events():
self.windows.set_active_window_group_for(window_a)
self.current_layout.move_window_to_group(self.windows, wg_b.id)
self.relayout()
# }}}
class TabBeingDropped(NamedTuple):
data: TabBarData
tab_ids: Sequence[int] = ()
last_drop_move_coordinate: int = -1
class WindowBeingDropped(NamedTuple):
window_id: int # the window whose title bar is currently highlighted as a drop target
quadrant: int = 0 # 0=none, 1=left, 2=right, 3=top, 4=bottom, 5=full+titlebar, 6=full
class TabManager: # {{{
confirm_close_window_id: int = 0
num_of_windows_with_progress: int = 0
total_progress: int = 0
has_indeterminate_progress: bool = False
tab_being_dropped: TabBeingDropped | None = None
window_being_dropped: WindowBeingDropped | None = None
window_drag_target_tab_id: int = 0
window_drag_over_me: bool = False
def __init__(self, os_window_id: int, args: CLIOptions, wm_class: str, wm_name: str, startup_session: SessionType | None = None):
self.os_window_id = os_window_id
self.wm_class = wm_class
self.created_in_session_name = startup_session.session_name if startup_session else ''
self.recent_tab_bar_mouse_events = MouseEvents()
self.recent_title_bar_mouse_events = MouseEvents()
self.wm_name = wm_name
self.args = args
self.tab_bar_hidden = get_options().tab_bar_style == 'hidden'
self.tabs: list[Tab] = []
self.active_tab_history: Deque[int] = deque()
self.tab_bar = TabBar(self.os_window_id)
self._active_tab_idx = 0
if startup_session is not None:
self.add_tabs_from_session(startup_session)
@update_tab_bar_visibility
def add_tabs_from_session(self, session: SessionType, session_name: str = '') -> None:
active_tab = self.active_tab
added_tabs = []
for i, t in enumerate(session.tabs):
tab = Tab(self, session_tab=t, session_name=session_name or self.created_in_session_name)
self.tabs.append(tab)
added_tabs.append(tab)
if i == session.active_tab_idx:
active_tab = tab
# Handle focus_tab_spec if specified
if session.focus_tab_spec is not None:
spec = session.focus_tab_spec.strip()
# Try to parse as a plain number (index)
try:
idx = int(spec)
# Clamp to valid range
idx = max(0, min(idx, len(added_tabs) - 1))
active_tab = added_tabs[idx]
except ValueError:
# Not a plain number, treat as match expression
from .fast_data_types import get_boss
boss = get_boss()
matched_tabs = list(boss.match_tabs(spec, self.tabs))
if matched_tabs:
active_tab = matched_tabs[0]
if active_tab is not None:
idx = self.tabs.index(active_tab)
self._set_active_tab(idx)
# We need to update last_focused_at so that switch_to_session is
# called after the session is created respects the result of
# focus_tab.
if (at := self.active_tab) and (w := at.active_window):
w.last_focused_at = monotonic()
active_tab = self.active_tab
for tab in added_tabs:
w = tab.active_window
for q in tab:
q.focus_changed(w is q and tab is active_tab)
@property
def active_tab_idx(self) -> int:
return self._active_tab_idx
@active_tab_idx.setter
def active_tab_idx(self, val: int) -> None:
new_active_tab_idx = max(0, min(val, len(self.tabs) - 1))
if new_active_tab_idx == self._active_tab_idx:
return
try:
old_active_tab: Tab | None = self.tabs[self._active_tab_idx]
except Exception:
old_active_tab = None
else:
assert old_active_tab is not None
add_active_id_to_history(self.active_tab_history, old_active_tab.id)
self._active_tab_idx = new_active_tab_idx
try:
new_active_tab: Tab | None = self.tabs[self._active_tab_idx]
except Exception:
new_active_tab = None
if old_active_tab is not new_active_tab:
if old_active_tab is not None:
w = old_active_tab.active_window
if w is not None:
w.focus_changed(False)
if new_active_tab is not None:
w = new_active_tab.active_window
if w is not None:
w.focus_changed(True)
def refresh_sprite_positions(self) -> None:
if not self.tab_bar_hidden:
self.tab_bar.screen.refresh_sprite_positions()
@property
def tab_bar_should_be_visible(self) -> bool:
if self.tab_being_dropped is not None or self.window_drag_over_me:
return True # keep tab bar visible in the dest
count = get_options().tab_bar_min_tabs
if count < 1:
return True
tab_id, drag_started = get_tab_being_dragged()[:2]
if drag_started and self.tab_for_id(tab_id) is not None:
return True # keep tab bar visible in the source
for t in self.tabs_to_be_shown_in_tab_bar:
count -= 1
if count < 1:
return True
return count < 1
def _set_active_tab(self, idx: int, store_in_history: bool = True) -> None:
if store_in_history:
self.active_tab_idx = idx
else:
self._active_tab_idx = idx
set_active_tab(self.os_window_id, idx)
def layout_tab_bar(self) -> None:
# set tab_bar_should_be_visible so that tab_bar.layout() gets correct dimensions
self.mark_tab_bar_dirty()
self.tab_bar.layout()
@property
def any_window(self) -> Window | None:
for t in self:
for w in t:
return w
return None
def mark_tab_bar_dirty(self) -> None:
should_be_shown = not self.tab_bar_hidden and self.tab_bar_should_be_visible
mark_tab_bar_dirty(self.os_window_id, should_be_shown)
w = self.active_window or self.any_window
if w is not None:
data = {'tab_manager': self}
boss = get_boss()
for watcher in global_watchers().on_tab_bar_dirty:
watcher(boss, w, data)
def update_tab_bar_data(self) -> None:
self.tab_bar.update(self.tab_bar_data)
def title_changed(self, tab: Tab) -> None:
self.mark_tab_bar_dirty()
if tab is self.active_tab:
sync_os_window_title(self.os_window_id)
def resize(self, only_tabs: bool = False) -> None:
if not only_tabs:
if not self.tab_bar_hidden:
self.layout_tab_bar()
for tab in self.tabs:
tab.relayout()
def set_active_tab_idx(self, idx: int) -> None:
self._set_active_tab(idx)
tab = self.active_tab
if tab is not None:
tab.relayout_borders()
self.mark_tab_bar_dirty()
@update_tab_bar_visibility
def set_active_tab(self, tab: Tab, for_keep_focus: Tab | None = None) -> bool:
try:
idx = self.tabs.index(tab)
except Exception:
return False
self.set_active_tab_idx(idx)
h = self.active_tab_history
if for_keep_focus and len(h) > 2 and h[-2] == for_keep_focus.id and h[-1] != for_keep_focus.id:
h.pop()
h.pop()
return True
@property
def tabs_to_be_shown_in_tab_bar(self) -> Iterable[Tab]:
f = get_options().tab_bar_filter
if f:
at = self.active_tab
m = frozenset(get_boss().match_tabs(f, all_tabs=self))
return (t for t in self if t is at or t in m)
return self.tabs
def next_tab(self, delta: int = 1) -> None:
if (len(tabs := tuple(self.tabs_to_be_shown_in_tab_bar))) == len(self.tabs):
if (num := len(tabs)) > 1:
self.set_active_tab_idx((self.active_tab_idx + num + delta) % num)
else:
num = len(tabs)
at = self.active_tab
if at is not None:
active_idx = tabs.index(at)
new_active_tab = (active_idx + num + delta) % num
self.set_active_tab(tabs[new_active_tab])
def toggle_tab(self, match_expression: str) -> None:
tabs = set(get_boss().match_tabs(match_expression, all_tabs=self))
if not tabs:
get_boss().show_error(_('No matching tab'), _('No tab found matching the expression: {}').format(match_expression))
return
if self.active_tab and self.active_tab in tabs:
self.goto_tab(-1)
else:
for x in tabs:
self.set_active_tab(x)
break
def tab_at_location(self, loc: str) -> Tab | None:
tabs = tuple(self.tabs_to_be_shown_in_tab_bar)
if loc == 'prev':
if self.active_tab_history:
return self.tab_for_id(self.active_tab_history[-1])
elif loc in ('left', 'right'):
delta = -1 if loc == 'left' else 1
if (at := self.active_tab) is not None:
try:
active_idx = tabs.index(at)
except ValueError:
return None
idx = (len(tabs) + active_idx + delta) % len(tabs)
return tabs[idx]
return None
def goto_tab(self, tab_num: int) -> None:
tabs = tuple(self.tabs_to_be_shown_in_tab_bar)
if tab_num >= len(tabs):
tab_num = max(0, len(tabs) - 1)
if tab_num >= 0:
self.set_active_tab(tabs[tab_num])
elif self.active_tab_history:
try:
old_active_tab_id = self.active_tab_history[tab_num]
except IndexError:
old_active_tab_id = self.active_tab_history[0]
if tab := self.tab_for_id(old_active_tab_id):
self.set_active_tab(tab)
def nth_active_tab(self, n: int = 0) -> Tab | None:
if n <= 0:
return self.active_tab
tab_ids = tuple(reversed(self.active_tab_history))
return self.tab_for_id(tab_ids[min(n - 1, len(tab_ids) - 1)]) if tab_ids else None
def __iter__(self) -> Iterator[Tab]:
return iter(self.tabs)
def __len__(self) -> int:
return len(self.tabs)
def list_tabs(
self, self_window: Window | None = None,
tab_filter: Callable[[Tab], bool] | None = None,
window_filter: Callable[[Window], bool] | None = None
) -> Generator[TabDict, None, None]:
active_tab = self.active_tab
for tab in self:
if tab_filter is None or tab_filter(tab):
windows = list(tab.list_windows(self_window, window_filter))
if windows:
yield {
'id': tab.id,
'is_focused': tab is active_tab and tab.os_window_id == current_focused_os_window_id(),
'is_active': tab is active_tab,
'title': tab.name or tab.title,
'title_overridden': bool(tab.name),
'layout': str(tab.current_layout.name),
'layout_state': tab.current_layout.serialize(tab.windows),
'layout_opts': tab.current_layout.layout_opts.serialized(),
'enabled_layouts': tab.enabled_layouts,
'windows': windows,
'groups': tab.list_groups(),
'active_window_history': list(tab.windows.active_window_history),
}
def serialize_state(self) -> dict[str, Any]:
return {
'version': 1,
'id': self.os_window_id,
'tabs': [tab.serialize_state() for tab in self],
'active_tab_idx': self.active_tab_idx,
}
def serialize_state_as_session(
self, session_path: str, matched_windows: frozenset[Window] | None, ser_opts: SaveAsSessionOptions,
is_first: bool = False
) -> list[str]:
ans = []
active_tab_index = -1
for i, tab in enumerate(self.tabs):
if tab is self.active_tab:
active_tab_index = i
ans.extend(tab.serialize_state_as_session(session_path, matched_windows, ser_opts))
if ans:
prefix = [] if is_first else ['', '', 'new_os_window']
if self.wm_class and self.wm_class != appname:
prefix.append(f'os_window_class {self.wm_class}')
if self.wm_name and self.wm_name != appname:
prefix.append(f'os_window_name {self.wm_name}')
ans = prefix + ans
# Add focus_tab command to preserve the active tab
if active_tab_index >= 0:
ans.append('')
ans.append(f'focus_tab {active_tab_index}')
return ans
@property
def active_tab(self) -> Tab | None:
return self.tabs[self.active_tab_idx] if 0 <= self.active_tab_idx < len(self.tabs) else None
@property
def active_window(self) -> Window | None:
return t.active_window if (t := self.active_tab) else None
def tab_for_id(self, tab_id: int) -> Tab | None:
for t in self.tabs:
if t.id == tab_id:
return t
return None
def move_tab(self, delta: int = 1) -> None:
tabs = tuple(self.tabs_to_be_shown_in_tab_bar)
if len(tabs) > 1:
if (at := self.active_tab) is None:
return
try:
filtered_idx = tabs.index(at)
except ValueError:
return
new_active_tab = tabs[(filtered_idx + len(tabs) + delta) % len(tabs)]
idx = self.tabs.index(at)
nidx = self.tabs.index(new_active_tab)
step = 1 if idx < nidx else -1
for i in range(idx, nidx, step):
self.swap_tabs(i, i + step)
self._set_active_tab(nidx)
self.mark_tab_bar_dirty()
@update_tab_bar_visibility
def new_tab(
self,
special_window: SpecialWindowInstance | None = None,
cwd_from: CwdRequest | None = None,
as_neighbor: bool = False,
empty_tab: bool = False,
location: str = 'last',
) -> Tab:
idx = len(self.tabs)
tabs = tuple(self.tabs_to_be_shown_in_tab_bar)
orig_active_tab_idx = 0
with suppress(ValueError):
orig_active_tab_idx = tabs.index(self.active_tab)
session_name = ''
if cwd_from is not None and (sw := cwd_from.window):
session_name = sw.created_in_session_name
if not session_name and (sw_tab := sw.tabref()):
session_name = sw_tab.created_in_session_name
t = Tab(self, no_initial_window=True, session_name=session_name) if empty_tab else Tab(
self, special_window=special_window, cwd_from=cwd_from, session_name=session_name)
if not empty_tab and session_name:
for w in t:
w.created_in_session_name = session_name
self.tabs.append(t)
tabs = tabs + (t,)
if as_neighbor:
location = 'after'
if location == 'neighbor':
location = 'after'
if location == 'default':
location = 'last'
if len(tabs) > 1 and location != 'last':
if location == 'first':
desired_idx = 0
else:
desired_idx = orig_active_tab_idx + (0 if location == 'before' else 1)
desired_idx = self.tabs.index(tabs[desired_idx])
if idx != desired_idx:
for i in range(idx, desired_idx, -1):
self.swap_tabs(i, i-1)
idx = desired_idx
self._set_active_tab(idx)
self.mark_tab_bar_dirty()
return t
@update_tab_bar_visibility
def remove(self, removed_tab: Tab) -> None:
active_tab_before_removal = self.active_tab
tabs = tuple(self.tabs_to_be_shown_in_tab_bar)
try:
idx_before_removal = tabs.index(active_tab_before_removal)
except Exception:
idx_before_removal = -1
remove_tab(self.os_window_id, removed_tab.id)
self.tabs.remove(removed_tab)
while True:
try:
self.active_tab_history.remove(removed_tab.id)
except ValueError:
break
def remove_from_end_of_active_history(tab: Tab) -> None:
while self.active_tab_history and self.active_tab_history[-1] == tab.id:
self.active_tab_history.pop()
def previous_active_tab() -> Tab | None:
while self.active_tab_history:
tab_id = self.active_tab_history.pop()
if tab_id != removed_tab.id:
if (ans := self.tab_for_id(tab_id)) is not None:
return ans
return self.tabs[0] if self.tabs else None
if active_tab_before_removal is removed_tab:
if len(tabs) == 0 or (len(tabs) == 1 and removed_tab is tabs[0]):
tab = previous_active_tab()
if tab is None:
self._active_tab_idx = 0
else:
self._set_active_tab(self.tabs.index(tab), store_in_history=False)
else:
next_active_tab: Tab | None = None
match get_options().tab_switch_strategy:
case 'previous':
while self.active_tab_history and next_active_tab is None:
tab_id = self.active_tab_history.pop()
next_active_tab = self.tab_for_id(tab_id)
if next_active_tab not in tabs:
next_active_tab = None
case 'left':
tab_id = tabs.index(active_tab_before_removal)
if tab_id > 0:
next_active_tab = tabs[tab_id - 1]
remove_from_end_of_active_history(next_active_tab)
case 'right':
tab_id = tabs.index(active_tab_before_removal)
if tab_id < len(tabs) - 1:
next_active_tab = tabs[tab_id + 1]
remove_from_end_of_active_history(next_active_tab)
case 'last':
next_active_tab = tabs[-1]
remove_from_end_of_active_history(next_active_tab)
if next_active_tab not in self.tabs:
if idx_before_removal > -1 and (left_tabs := tuple(t for t in tabs if t is not removed_tab)):
next_active_tab = left_tabs[max(0, min(idx_before_removal, len(left_tabs) - 1))]
else:
next_active_tab = self.tabs[max(0, min(self.active_tab_idx, len(self.tabs) - 1))]
self._set_active_tab(self.tabs.index(next_active_tab), store_in_history=False)
else:
if len(self.tabs):
if active_tab_before_removal is None:
self._set_active_tab(0, store_in_history=False)
else:
self._set_active_tab(self.tabs.index(active_tab_before_removal), store_in_history=False)
else:
self._active_tab_idx = 0
self.mark_tab_bar_dirty()
removed_tab.destroy()
@property
def tab_bar_data(self) -> Sequence[TabBarData]:
at = self.active_tab
tab_being_dragged_from_here = False
dragged_tab_id, drag_started = get_tab_being_dragged()[:2]
if drag_started:
tab_being_dragged_from_here = self.tab_for_id(dragged_tab_id) is not None
window_drag_active = get_window_being_dragged()[1]
if self.tab_being_dropped is None:
wdtt = self.window_drag_target_tab_id
if tab_being_dragged_from_here:
tabs = tuple(t.data_for_tab_bar(t is at or t.id == wdtt) for t in self.tabs_to_be_shown_in_tab_bar if t.id != dragged_tab_id)
else:
tabs = tuple(t.data_for_tab_bar(t is at or t.id == wdtt) for t in self.tabs_to_be_shown_in_tab_bar)
if window_drag_active or get_options().tab_bar_show_new_tab_button:
tabs = tabs + (TabBarData(
title='+', is_active=self.window_drag_target_tab_id == -1, os_window_id=self.os_window_id),)
return tabs
tmap = {t.id:t for t in self.tabs}
at = self.active_tab
ans = []
for tid in self.tab_being_dropped.tab_ids:
if tid == dragged_tab_id:
ans.append(self.tab_being_dropped.data)
else:
tab = tmap[tid]
ans.append(tab.data_for_tab_bar(tab is at))
return ans
def apply_tab_ordering(self, tab_ids: Sequence[int]) -> None:
id_map = {t.id:t for t in self.tabs}
ordered_ids = frozenset(tab_ids)
positions = (i for i, t in enumerate(self.tabs) if t.id in ordered_ids)
for pos, tab_id in zip(positions, tab_ids):
self.tabs[pos] = id_map[tab_id]
reorder_tabs(self.os_window_id, *(t.id for t in self.tabs))
@update_tab_bar_visibility
def on_tab_drop_move(self, tab_id: int = 0, is_dest: bool = False, x: int = 0, y: int = 0) -> None:
if not is_dest:
if self.tab_being_dropped:
self.tab_being_dropped = None
self.layout_tab_bar()
return
if self.tab_bar_should_be_visible:
all_tabs = [t.tab_id for t in self.tab_bar.last_laid_out_tabs if t.tab_id >= 0]
else:
all_tabs = [t.tab_id for t in self.tab_bar_data if t.tab_id >= 0]
force_update = False
if self.tab_being_dropped is None:
tab = get_boss().tab_for_id(tab_id)
if tab is None:
return
tab_data = tab.data_for_tab_bar(tab is get_boss().active_tab)
if tab_id not in all_tabs:
all_tabs.append(tab_id)
_, _, start_x, start_y = get_tab_being_dragged()
start_coordinate = self.tab_bar.drag_axis_coordinate(int(start_x), int(start_y))
self.tab_being_dropped = TabBeingDropped(data=tab_data, tab_ids=all_tabs, last_drop_move_coordinate=start_coordinate)
force_update = True
coordinate = self.tab_bar.drag_axis_coordinate(x, y)
if coordinate == self.tab_being_dropped.last_drop_move_coordinate and not force_update:
return
mouse_moved_towards_start = coordinate < self.tab_being_dropped.last_drop_move_coordinate
old_tab_ids = self.tab_being_dropped.tab_ids
idx_under_mouse = -1
if (tab_id_under_mouse := self.tab_bar.tab_id_at(x, y)):
with suppress(Exception):
idx_under_mouse = old_tab_ids.index(tab_id_under_mouse)
if idx_under_mouse < 0:
start = self.tab_bar.window_geometry.top if self.tab_bar.is_vertical else self.tab_bar.window_geometry.left
idx_under_mouse = 0 if coordinate < start else len(old_tab_ids) - 1
old_idx_under_mouse = old_tab_ids.index(tab_id)
idx_moved_towards_start = old_idx_under_mouse > idx_under_mouse
new_tab_ids = old_tab_ids
if mouse_moved_towards_start == idx_moved_towards_start:
new_tab_ids = list(old_tab_ids)
new_tab_ids[idx_under_mouse], new_tab_ids[old_idx_under_mouse] = new_tab_ids[old_idx_under_mouse], new_tab_ids[idx_under_mouse]
self.tab_being_dropped = self.tab_being_dropped._replace(last_drop_move_coordinate=coordinate, tab_ids=new_tab_ids)
if force_update or self.tab_being_dropped.tab_ids != old_tab_ids:
self.layout_tab_bar()
@update_tab_bar_visibility
def on_tab_drop(self, x: int, y: int, bypass_move: bool = False) -> None:
if (td := self.tab_being_dropped) is None:
return
if (tab := get_boss().tab_for_id(td.data.tab_id)) is None:
self.tab_being_dropped = None
set_tab_being_dragged()
self.layout_tab_bar()
return
if not bypass_move:
self.on_tab_drop_move(td.data.tab_id, True, x, y)
if (td := self.tab_being_dropped) is None:
return
self.tab_being_dropped = None
atid = self.active_tab.id if self.active_tab else 0
set_tab_being_dragged()
if tab.os_window_id != self.os_window_id:
if (t := get_boss()._move_tab_to(tab, self.os_window_id)) is not None:
n = list(td.tab_ids)
idx = n.index(td.data.tab_id)
n[idx] = t.id
td = td._replace(tab_ids=n)
self.apply_tab_ordering(td.tab_ids)
if atid and tab.os_window_id == self.os_window_id and (tab := self.tab_for_id(atid)):
idx = self.tabs.index(tab)
self._set_active_tab(idx, store_in_history=False)
self.layout_tab_bar()
def swap_tabs(self, idx: int, nidx: int) -> None:
if idx != nidx:
self.tabs[idx], self.tabs[nidx] = self.tabs[nidx], self.tabs[idx]
swap_tabs(self.os_window_id, idx, nidx)
def start_tab_drag(self, pixels: bytes, width: int, height: int) -> None:
dragged_tab_id = get_tab_being_dragged()[0]
for i, tab in enumerate(self.tabs_to_be_shown_in_tab_bar):
if tab.id == dragged_tab_id:
td = tab.data_for_tab_bar(tab is self.active_tab)
title = apply_title_template(self.tab_bar.draw_data, td, i+1)
title = re.sub(r'\x1b\[.+?[a-zA-Z]', '', title).strip() # strip CSI codes ]
title = replace_c0_codes_except_nl_space_tab(title.encode()).decode()
title = re.sub(r'\n', ' ', title)
opts = get_options()
if td.is_active:
fg = color_as_int(opts.active_tab_foreground)
bg = color_as_int(opts.active_tab_background)
else:
fg = color_as_int(opts.inactive_tab_foreground)
bg = color_as_int(opts.inactive_tab_background)
title_pixels, width = draw_single_line_of_text(self.os_window_id, title, 0xff000000 | fg, 0xff000000 | bg, width)
title_height = len(title_pixels) // (width * 4)
thumbnails = ((title_pixels, width, title_height), (title_pixels + pixels, width, title_height + height))
drag_data = {
f'application/net.kovidgoyal.kitty-tab-{os.getpid()}': str(tab.id).encode(),
}
try:
start_drag_with_data(self.os_window_id, drag_data, thumbnails)
except OSError as e:
log_error(f'Failed to start tab drag: {e}')
set_tab_being_dragged()
self.mark_tab_bar_dirty() # re-render the tab bar in case it was drawn without the dragged tab
break
else:
set_tab_being_dragged()
def handle_tab_bar_mouse(self, x: float, y: float, button: int, modifiers: int, action: int) -> None:
if button == -1: # motion
dragged_tab_id, drag_started, start_x, start_y = get_tab_being_dragged()
if dragged_tab_id and self.tab_for_id(dragged_tab_id) is not None and not drag_started:
threshold = get_options().drag_threshold
if threshold and math.sqrt((x-start_x)**2 + (y-start_y)**2) > threshold:
set_tab_being_dragged(dragged_tab_id, True, start_x, start_y)
request_callback_with_thumbnail("start_tab_drag", self.os_window_id)
self.recent_tab_bar_mouse_events.clear()
return
tab_id_at_pointer = self.tab_bar.tab_id_at(int(x), int(y))
self.recent_tab_bar_mouse_events.add(button, modifiers, action, x, y, tab_id_at_pointer)
drag_started = get_tab_being_dragged()[1]
is_left_release = button == GLFW_MOUSE_BUTTON_LEFT and action == GLFW_RELEASE
if tab_id_at_pointer < 0: # synthetic tab (e.g. "+" new-tab button)
if is_left_release and not drag_started:
set_tab_being_dragged() # clear potential drag from a press on a tab
if self.recent_tab_bar_mouse_events.click_count(GLFW_MOUSE_BUTTON_LEFT) == 1:
self.new_tab()
self.recent_tab_bar_mouse_events.clear()
return
if drag_started:
return
tab = self.tab_for_id(tab_id_at_pointer)
if tab is None:
if is_left_release:
set_tab_being_dragged() # clear potential drag from a press on a tab
if self.recent_tab_bar_mouse_events.click_count(GLFW_MOUSE_BUTTON_LEFT) == 2:
self.new_tab()
self.recent_tab_bar_mouse_events.clear()
return
if button == GLFW_MOUSE_BUTTON_LEFT:
if action == GLFW_PRESS:
set_tab_being_dragged(tab.id, False, x, y)
return
match self.recent_tab_bar_mouse_events.click_count(GLFW_MOUSE_BUTTON_LEFT):
case 2:
self.set_active_tab(tab)
get_boss().set_tab_title()
set_tab_being_dragged()
self.recent_tab_bar_mouse_events.clear()
case 1:
if self.active_tab is not tab:
self.set_active_tab(tab)
self.recent_tab_bar_mouse_events.clear()
set_tab_being_dragged()
return
if button == GLFW_MOUSE_BUTTON_MIDDLE:
if self.recent_tab_bar_mouse_events.click_count(GLFW_MOUSE_BUTTON_MIDDLE) == 1:
get_boss().close_tab(tab)
self.recent_tab_bar_mouse_events.clear()
return
def handle_window_title_bar_mouse(self, window_id: int, x: float, y: float, button: int, modifiers: int, action: int) -> None:
boss = get_boss()
if button == -1: # motion event
dragged_window_id, drag_started, start_x, start_y = get_window_being_dragged()
if dragged_window_id and not drag_started:
threshold = get_options().drag_threshold
dist_sq = (x - start_x)**2 + (y - start_y)**2
if threshold and dist_sq > threshold * threshold:
set_window_being_dragged(dragged_window_id, True, start_x, start_y)
request_callback_with_thumbnail("start_window_drag", self.os_window_id, dragged_window_id)
self.recent_title_bar_mouse_events.clear()
return
self.recent_title_bar_mouse_events.add(button, modifiers, action, x, y, window_id)
if button != GLFW_MOUSE_BUTTON_LEFT:
return
if action == GLFW_PRESS:
if (w := boss.window_id_map.get(window_id)) is not None:
boss.set_active_window(w, switch_os_window_if_needed=True)
threshold = get_options().drag_threshold
if threshold:
set_window_being_dragged(window_id, False, x, y)
return
dragged_window_id, drag_started = get_window_being_dragged()[:2]
set_window_being_dragged()
if not drag_started and self.recent_title_bar_mouse_events.click_count() == 2:
self.recent_title_bar_mouse_events.clear()
if (w := boss.window_id_map.get(window_id)) is not None:
w.set_window_title()
def start_window_drag(self, pixels: bytes, width: int, height: int) -> None:
window_id = get_window_being_dragged()[0]
boss = get_boss()
if (w := boss.window_id_map.get(window_id)) is None:
set_window_being_dragged()
return
opts = get_options()
min_w = opts.window_title_bar_min_windows
for tm in boss.all_tab_managers:
tm.mark_tab_bar_dirty()
for t in tm:
visible = sum(1 for _ in t.windows.iter_all_layoutable_groups(only_visible=True))
if not (min_w > 0 and visible >= min_w):
t.force_show_title_bars = True
t.relayout()
title = str(w.title or '')
fg = color_as_int(opts.window_title_bar_active_foreground or opts.active_tab_foreground)
bg = color_as_int(opts.window_title_bar_active_background or opts.active_tab_background)
title_pixels, width = draw_single_line_of_text(self.os_window_id, title, 0xff000000 | fg, 0xff000000 | bg, width)
title_height = len(title_pixels) // (width * 4)
thumbnails = ((title_pixels + pixels, width, title_height + height),)
drag_data = {f'application/net.kovidgoyal.kitty-window-{os.getpid()}': str(window_id).encode()}
try:
start_drag_with_data(self.os_window_id, drag_data, thumbnails)
except OSError as e:
log_error(f'Failed to start window drag: {e}')
set_window_being_dragged()
self._clear_force_show_title_bars()
def _set_drag_target_tab(self, tab_id: int) -> None:
if self.window_drag_target_tab_id == tab_id:
return
self.window_drag_target_tab_id = tab_id
self.mark_tab_bar_dirty()
def _clear_force_show_title_bars(self) -> None:
boss = get_boss()
for tm in boss.all_tab_managers:
tm._set_drag_target_window(0)
tm._set_drag_target_tab(0)
for tab in tm:
if tab.force_show_title_bars:
tab.force_show_title_bars = False
tab.relayout()
def _find_window_at(self, x: int, y: int) -> 'Window | None':
from .fast_data_types import viewport_for_window
central = viewport_for_window(self.os_window_id)[0]
if not (central.left <= x < central.right and central.top <= y < central.bottom):
return None
rel_x = x - central.left
rel_y = y - central.top
if (active_tab := self.active_tab) is None:
return None
for win in active_tab:
g = win.geometry
if g.left <= rel_x < g.right and g.top <= rel_y < g.bottom:
return win
return None
def _set_drag_target_window(self, window_id: int, quadrant: int = 0) -> None:
''' Highlight window_id's title bar as the drop target; 0 clears. quadrant!=0 shows quadrant overlay instead '''
from .fast_data_types import set_window_drag_overlay
boss = get_boss()
prev_id = self.window_being_dropped.window_id if self.window_being_dropped else 0
prev_quadrant = self.window_being_dropped.quadrant if self.window_being_dropped else 0
if prev_id == window_id and prev_quadrant == quadrant:
return
if prev_id and (prev_w := boss.window_id_map.get(prev_id)):
prev_w.is_drag_target = False
set_window_drag_overlay(self.os_window_id, prev_w.tab_id, prev_id, 0)
if prev_w._title_bar_screen is not None:
tab = prev_w.tabref()
prev_w.update_title_bar(is_active=tab is not None and tab.active_window is prev_w)
if window_id and (new_w := boss.window_id_map.get(window_id)):
if quadrant == 5:
new_w.is_drag_target = True
new_w.update_title_bar(is_active=True)
set_window_drag_overlay(self.os_window_id, new_w.tab_id, window_id, quadrant)
self.window_being_dropped = WindowBeingDropped(window_id=window_id, quadrant=quadrant)
else:
self.window_being_dropped = None
def on_window_drop_move(self, window_id: int = 0, is_dest: bool = False, x: int = 0, y: int = 0) -> None:
if not is_dest:
self._set_drag_target_window(0)
self._set_drag_target_tab(0)
if self.window_drag_over_me:
self.window_drag_over_me = False
if not self.tab_bar_hidden:
self.layout_tab_bar()
self.resize(only_tabs=True)
return
if not self.window_drag_over_me:
self.window_drag_over_me = True
if not self.tab_bar_hidden:
self.layout_tab_bar()
self.resize(only_tabs=True)
from .fast_data_types import viewport_for_window
tab_bar = viewport_for_window(self.os_window_id)[1]
if tab_bar.left <= x < tab_bar.right and tab_bar.top <= y < tab_bar.bottom:
self._set_drag_target_window(0)
self._set_drag_target_tab(self.tab_bar.tab_id_at(x, y))
return
self._set_drag_target_tab(0)
dest_window = self._find_window_at(x, y)
if dest_window and dest_window.id != window_id:
from .fast_data_types import viewport_for_window as _vfw
central = _vfw(self.os_window_id)[0]
rel_y = y - central.top
if dest_window.show_title_bar:
from .fast_data_types import cell_size_for_window
_, ch = cell_size_for_window(self.os_window_id)
g = dest_window.geometry
opts = get_options()
tb_top = g.top if opts.window_title_bar == 'top' else g.bottom - ch
if tb_top <= rel_y < tb_top + ch:
# Title bar hover: full window + title bar highlight (swap)
self._set_drag_target_window(dest_window.id, 5)
return
active_tab = self.active_tab
if active_tab is not None:
rel_x = x - central.left
g = dest_window.geometry
dx = rel_x - (g.left + g.right) / 2
dy = rel_y - (g.top + g.bottom) / 2
quad_map = {'left': 1, 'right': 2, 'top': 3, 'bottom': 4}
match active_tab.current_layout.drag_overlay_mode:
case DragOverlayMode.axis_y:
direction = 'bottom' if dy > 0 else 'top'
case DragOverlayMode.axis_x:
direction = 'right' if dx > 0 else 'left'
case DragOverlayMode.free:
direction = ('right' if dx > 0 else 'left') if abs(dx) >= abs(dy) else ('bottom' if dy > 0 else 'top')
case DragOverlayMode.full:
self._set_drag_target_window(dest_window.id, 6)
return
self._set_drag_target_window(dest_window.id, quad_map[direction])
else:
self._set_drag_target_window(0)
else:
self._set_drag_target_window(0)
def on_window_drop(self, x: int, y: int, window_id: int) -> None:
from .fast_data_types import cell_size_for_window, viewport_for_window
boss = get_boss()
self._clear_force_show_title_bars()
w = boss.window_id_map.get(window_id)
if w is None:
return
set_window_being_dragged()
self.mark_tab_bar_dirty()
central, tab_bar = viewport_for_window(self.os_window_id)[:2]
# Case 1: Drop on tab bar → move to that tab
in_tab_bar = tab_bar.left <= x < tab_bar.right and tab_bar.top <= y < tab_bar.bottom
if in_tab_bar:
if (tab_id := self.tab_bar.tab_id_at(x, y)) and (dest_tab := self.tab_for_id(tab_id)):
boss._move_window_to(w, target_tab_id=dest_tab.id)
else:
boss._move_window_to(w, target_tab_id='new')
return
# Case 2: Drop in central area
in_central = central.left <= x < central.right and central.top <= y < central.bottom
if not in_central:
return
rel_x = x - central.left
rel_y = y - central.top
if (active_tab := self.active_tab) is None:
return
dest_window = None
dest_in_title_bar = False
opts = get_options()
cw, ch = cell_size_for_window(self.os_window_id)
for win in active_tab:
g = win.geometry
if opts.window_title_bar == 'top':
tb_top, tb_bottom = g.top, g.top + ch
else:
tb_top, tb_bottom = g.bottom - ch, g.bottom
if g.left <= rel_x < g.right and g.top <= rel_y < g.bottom:
dest_window = win
dest_in_title_bar = getattr(win, 'show_title_bar', False) and (tb_top <= rel_y < tb_bottom)
break
if dest_window is None or dest_window.id == window_id:
# Dropped on empty space or self; if different tab, move there
if active_tab is not w.tabref():
boss._move_window_to(w, target_tab_id=active_tab.id)
return
if dest_in_title_bar:
if (src_tab := w.tabref()) is dest_window.tabref() and src_tab is not None:
# Same tab: swap positions
src_tab.swap_windows(w, dest_window)
else:
# Cross-tab title bar drop: move to the destination tab
boss._move_window_to(w, target_tab_id=active_tab.id)
else:
g = dest_window.geometry
dx = rel_x - (g.left + g.right) / 2
dy = rel_y - (g.top + g.bottom) / 2
match active_tab.current_layout.drag_overlay_mode:
case DragOverlayMode.axis_y:
direction: Literal['left', 'right', 'top', 'bottom'] = 'bottom' if dy > 0 else 'top'
case DragOverlayMode.axis_x:
direction = 'right' if dx > 0 else 'left'
case DragOverlayMode.free | DragOverlayMode.full:
direction = ('right' if dx > 0 else 'left') if abs(dx) >= abs(dy) else ('bottom' if dy > 0 else 'top')
boss._insert_window_in_direction(w, dest_window, direction)
def update_progress(self) -> None:
self.num_of_windows_with_progress = 0
self.total_progress = 0
self.has_indeterminate_progress = False
for tab in self:
if tab.num_of_windows_with_progress:
self.total_progress += tab.total_progress
self.num_of_windows_with_progress += tab.num_of_windows_with_progress
if tab.has_indeterminate_progress:
self.has_indeterminate_progress = True
get_boss().update_progress_in_dock()
@property
def tab_bar_rects(self) -> tuple[Border, ...]:
return self.tab_bar.blank_rects if self.tab_bar_should_be_visible else ()
def destroy(self) -> None:
for t in self:
t.destroy()
self.tab_bar.destroy()
del self.tab_bar
del self.tabs
def apply_options(self) -> None:
at = self.active_tab
for tab in self:
tab.apply_options(at is tab)
self.tab_bar_hidden = get_options().tab_bar_style == 'hidden'
self.tab_bar.apply_options()
self.update_tab_bar_data()
self.layout_tab_bar()
# }}}