807 lines
30 KiB
Python
807 lines
30 KiB
Python
#!/usr/bin/env python3
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# vim:fileencoding=utf-8
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# License: GPL v3 Copyright: 2016, Kovid Goyal <kovid at kovidgoyal.net>
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import weakref
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from collections import deque
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from contextlib import suppress
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from functools import partial
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from typing import (
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Deque, Dict, Generator, Iterator, List, NamedTuple,
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Optional, Pattern, Sequence, Tuple, cast
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)
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from .borders import Borders
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from .child import Child
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from .cli_stub import CLIOptions
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from .constants import appname, is_macos, is_wayland
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from .fast_data_types import (
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add_tab, attach_window, detach_window, get_boss, mark_tab_bar_dirty,
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next_window_id, pt_to_px, remove_tab, remove_window, ring_bell,
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set_active_tab, swap_tabs, x11_window_id
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)
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from .layout import (
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Layout, Rect, create_layout_object_for, evict_cached_layouts
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)
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from .options_stub import Options
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from .tab_bar import TabBar, TabBarData
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from .utils import log_error, resolved_shell
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from .window import Window, WindowDict
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from .typing import TypedDict, SessionTab, SessionType
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class TabDict(TypedDict):
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id: int
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is_focused: bool
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title: str
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layout: str
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windows: List[WindowDict]
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active_window_history: List[int]
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class SpecialWindowInstance(NamedTuple):
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cmd: Optional[List[str]]
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stdin: Optional[bytes]
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override_title: Optional[str]
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cwd_from: Optional[int]
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cwd: Optional[str]
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overlay_for: Optional[int]
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env: Optional[Dict[str, str]]
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def SpecialWindow(
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cmd: Optional[List[str]],
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stdin: Optional[bytes] = None,
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override_title: Optional[str] = None,
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cwd_from: Optional[int] = None,
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cwd: Optional[str] = None,
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overlay_for: Optional[int] = None,
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env: Optional[Dict[str, str]] = None
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) -> SpecialWindowInstance:
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return SpecialWindowInstance(cmd, stdin, override_title, cwd_from, cwd, overlay_for, env)
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def add_active_id_to_history(items: Deque[int], item_id: int, maxlen: int = 64) -> None:
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with suppress(ValueError):
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items.remove(item_id)
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items.append(item_id)
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if len(items) > maxlen:
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items.popleft()
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class Tab: # {{{
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def __init__(
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self,
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tab_manager: 'TabManager',
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session_tab: Optional['SessionTab'] = None,
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special_window: Optional[SpecialWindowInstance] = None,
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cwd_from: Optional[int] = None,
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no_initial_window: bool = False
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):
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self._active_window_idx = 0
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self.tab_manager_ref = weakref.ref(tab_manager)
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self.os_window_id: int = tab_manager.os_window_id
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self.id: int = add_tab(self.os_window_id)
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self.active_window_history: Deque[int] = deque()
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if not self.id:
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raise Exception('No OS window with id {} found, or tab counter has wrapped'.format(self.os_window_id))
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self.opts, self.args = tab_manager.opts, tab_manager.args
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self.recalculate_sizes(update_layout=False)
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self.name = getattr(session_tab, 'name', '')
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self.enabled_layouts = [x.lower() for x in getattr(session_tab, 'enabled_layouts', None) or self.opts.enabled_layouts]
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self.borders = Borders(self.os_window_id, self.id, self.opts)
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self.windows: Deque[Window] = deque()
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for i, which in enumerate('first second third fourth fifth sixth seventh eighth ninth tenth'.split()):
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setattr(self, which + '_window', partial(self.nth_window, num=i))
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self._last_used_layout: Optional[str] = None
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self._current_layout_name: Optional[str] = None
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self.cwd = self.args.directory
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if no_initial_window:
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self._set_current_layout(self.enabled_layouts[0])
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elif session_tab is None:
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sl = self.enabled_layouts[0]
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self._set_current_layout(sl)
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if special_window is None:
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self.new_window(cwd_from=cwd_from)
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else:
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self.new_special_window(special_window)
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else:
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if session_tab.cwd:
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self.cwd = session_tab.cwd
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l0 = session_tab.layout
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self._set_current_layout(l0)
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self.startup(session_tab)
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def recalculate_sizes(self, update_layout: bool = True) -> None:
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self.margin_width, self.padding_width, self.single_window_margin_width = map(
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lambda x: pt_to_px(getattr(self.opts, x), self.os_window_id), (
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'window_margin_width', 'window_padding_width', 'single_window_margin_width'))
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self.border_width = pt_to_px(self.opts.window_border_width, self.os_window_id)
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if update_layout and self.current_layout:
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self.current_layout.update_sizes(
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self.margin_width, self.single_window_margin_width, self.padding_width, self.border_width)
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def take_over_from(self, other_tab: 'Tab') -> None:
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self.name, self.cwd = other_tab.name, other_tab.cwd
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self.enabled_layouts = list(other_tab.enabled_layouts)
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if other_tab._current_layout_name:
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self._set_current_layout(other_tab._current_layout_name)
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self._last_used_layout = other_tab._last_used_layout
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orig_windows = deque(other_tab.windows)
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orig_history = deque(other_tab.active_window_history)
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orig_active = other_tab._active_window_idx
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for window in other_tab.windows:
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detach_window(other_tab.os_window_id, other_tab.id, window.id)
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other_tab.windows = deque()
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other_tab._active_window_idx = 0
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self.active_window_history = orig_history
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self.windows = orig_windows
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self._active_window_idx = orig_active
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for window in self.windows:
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window.change_tab(self)
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attach_window(self.os_window_id, self.id, window.id)
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self.relayout()
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def _set_current_layout(self, layout_name: str) -> None:
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self._last_used_layout = self._current_layout_name
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self.current_layout = self.create_layout_object(layout_name)
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self._current_layout_name = layout_name
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def startup(self, session_tab: 'SessionTab') -> None:
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for cmd in session_tab.windows:
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if isinstance(cmd, (SpecialWindowInstance,)):
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self.new_special_window(cmd)
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else:
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self.new_window(cmd=cmd)
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self.set_active_window_idx(session_tab.active_window_idx)
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@property
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def active_window_idx(self) -> int:
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return self._active_window_idx
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@active_window_idx.setter
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def active_window_idx(self, val: int) -> None:
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try:
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old_active_window: Optional[Window] = self.windows[self._active_window_idx]
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except Exception:
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old_active_window = None
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else:
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assert old_active_window is not None
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wid = old_active_window.id if old_active_window.overlay_for is None else old_active_window.overlay_for
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add_active_id_to_history(self.active_window_history, wid)
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self._active_window_idx = max(0, min(val, len(self.windows) - 1))
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try:
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new_active_window: Optional[Window] = self.windows[self._active_window_idx]
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except Exception:
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new_active_window = None
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if old_active_window is not new_active_window:
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if old_active_window is not None:
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old_active_window.focus_changed(False)
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if new_active_window is not None:
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new_active_window.focus_changed(True)
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tm = self.tab_manager_ref()
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if tm is not None:
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self.relayout_borders()
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tm.mark_tab_bar_dirty()
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@property
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def active_window(self) -> Optional[Window]:
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return self.windows[self.active_window_idx] if self.windows else None
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@property
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def title(self) -> str:
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return cast(str, getattr(self.active_window, 'title', appname))
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def set_title(self, title: str) -> None:
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self.name = title or ''
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tm = self.tab_manager_ref()
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if tm is not None:
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tm.mark_tab_bar_dirty()
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def title_changed(self, window: Window) -> None:
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if window is self.active_window:
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tm = self.tab_manager_ref()
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if tm is not None:
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tm.mark_tab_bar_dirty()
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def on_bell(self, window: Window) -> None:
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tm = self.tab_manager_ref()
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if tm is not None:
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self.relayout_borders()
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tm.mark_tab_bar_dirty()
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def visible_windows(self) -> Generator[Window, None, None]:
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for w in self.windows:
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if w.is_visible_in_layout:
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yield w
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def relayout(self) -> None:
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if self.windows:
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self.active_window_idx = self.current_layout(self.windows, self.active_window_idx)
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self.relayout_borders()
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def relayout_borders(self) -> None:
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tm = self.tab_manager_ref()
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if tm is not None:
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visible_windows = [w for w in self.windows if w.is_visible_in_layout]
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w = self.active_window
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self.borders(
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windows=visible_windows, active_window=w,
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current_layout=self.current_layout, extra_blank_rects=tm.blank_rects,
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padding_width=self.padding_width, border_width=self.border_width,
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draw_window_borders=self.current_layout.needs_window_borders and len(visible_windows) > 1
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)
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if w is not None:
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w.change_titlebar_color()
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def create_layout_object(self, name: str) -> Layout:
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return create_layout_object_for(
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name, self.os_window_id, self.id, self.margin_width,
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self.single_window_margin_width, self.padding_width,
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self.border_width)
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def next_layout(self) -> None:
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if len(self.enabled_layouts) > 1:
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for i, layout_name in enumerate(self.enabled_layouts):
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if layout_name == self.current_layout.full_name:
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idx = i
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break
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else:
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idx = -1
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nl = self.enabled_layouts[(idx + 1) % len(self.enabled_layouts)]
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self._set_current_layout(nl)
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self.relayout()
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def last_used_layout(self) -> None:
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if len(self.enabled_layouts) > 1 and self._last_used_layout and self._last_used_layout != self._current_layout_name:
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self._set_current_layout(self._last_used_layout)
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self.relayout()
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def goto_layout(self, layout_name: str, raise_exception: bool = False) -> None:
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layout_name = layout_name.lower()
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if layout_name not in self.enabled_layouts:
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if raise_exception:
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raise ValueError(layout_name)
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log_error('Unknown or disabled layout: {}'.format(layout_name))
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return
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self._set_current_layout(layout_name)
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self.relayout()
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def resize_window_by(self, window_id: int, increment: float, is_horizontal: bool) -> Optional[str]:
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increment_as_percent = self.current_layout.bias_increment_for_cell(is_horizontal) * increment
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if self.current_layout.modify_size_of_window(self.windows, window_id, increment_as_percent, is_horizontal):
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self.relayout()
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return None
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return 'Could not resize'
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def resize_window(self, quality: str, increment: int) -> None:
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if increment < 1:
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raise ValueError(increment)
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is_horizontal = quality in ('wider', 'narrower')
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increment *= 1 if quality in ('wider', 'taller') else -1
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if self.resize_window_by(
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self.windows[self.active_window_idx].id,
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increment, is_horizontal) is not None:
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ring_bell()
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def reset_window_sizes(self) -> None:
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if self.current_layout.remove_all_biases():
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self.relayout()
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def layout_action(self, action_name: str, args: Sequence[str]) -> None:
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ret = self.current_layout.layout_action(action_name, args, self.windows, self.active_window_idx)
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if ret is None:
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ring_bell()
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return
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if not isinstance(ret, bool) and isinstance(ret, int):
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self.active_window_idx = ret
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self.relayout()
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def launch_child(
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self,
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use_shell: bool = False,
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cmd: Optional[List[str]] = None,
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stdin: Optional[bytes] = None,
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cwd_from: Optional[int] = None,
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cwd: Optional[str] = None,
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env: Optional[Dict[str, str]] = None,
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allow_remote_control: bool = False
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) -> Child:
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if cmd is None:
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if use_shell:
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cmd = resolved_shell(self.opts)
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else:
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cmd = self.args.args or resolved_shell(self.opts)
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fenv: Dict[str, str] = {}
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if env:
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fenv.update(env)
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fenv['KITTY_WINDOW_ID'] = str(next_window_id())
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if not is_macos and not is_wayland():
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try:
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fenv['WINDOWID'] = str(x11_window_id(self.os_window_id))
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except Exception:
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import traceback
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traceback.print_exc()
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ans = Child(cmd, cwd or self.cwd, self.opts, stdin, fenv, cwd_from, allow_remote_control=allow_remote_control)
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ans.fork()
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return ans
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def _add_window(self, window: Window, location: Optional[str] = None) -> None:
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self.active_window_idx = self.current_layout.add_window(self.windows, window, self.active_window_idx, location)
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self.relayout_borders()
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def new_window(
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self,
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use_shell: bool = True,
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cmd: Optional[List[str]] = None,
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stdin: Optional[bytes] = None,
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override_title: Optional[str] = None,
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cwd_from: Optional[int] = None,
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cwd: Optional[str] = None,
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overlay_for: Optional[int] = None,
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env: Optional[Dict[str, str]] = None,
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location: Optional[str] = None,
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copy_colors_from: Optional[Window] = None,
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allow_remote_control: bool = False,
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marker: Optional[str] = None
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) -> Window:
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child = self.launch_child(
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use_shell=use_shell, cmd=cmd, stdin=stdin, cwd_from=cwd_from, cwd=cwd, env=env, allow_remote_control=allow_remote_control)
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window = Window(self, child, self.opts, self.args, override_title=override_title, copy_colors_from=copy_colors_from)
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if overlay_for is not None:
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overlaid = next(w for w in self.windows if w.id == overlay_for)
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window.overlay_for = overlay_for
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overlaid.overlay_window_id = window.id
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# Must add child before laying out so that resize_pty succeeds
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get_boss().add_child(window)
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self._add_window(window, location=location)
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if marker:
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try:
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window.set_marker(marker)
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except Exception:
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import traceback
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traceback.print_exc()
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return window
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def new_special_window(
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self,
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special_window: SpecialWindowInstance,
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location: Optional[str] = None,
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copy_colors_from: Optional[Window] = None,
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allow_remote_control: bool = False
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) -> Window:
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return self.new_window(
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use_shell=False, cmd=special_window.cmd, stdin=special_window.stdin,
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override_title=special_window.override_title,
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cwd_from=special_window.cwd_from, cwd=special_window.cwd, overlay_for=special_window.overlay_for,
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env=special_window.env, location=location, copy_colors_from=copy_colors_from,
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allow_remote_control=allow_remote_control
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)
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def close_window(self) -> None:
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if self.windows:
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self.remove_window(self.windows[self.active_window_idx])
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def previous_active_window_idx(self, num: int) -> Optional[int]:
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try:
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old_window_id = self.active_window_history[-num]
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except IndexError:
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return None
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for idx, w in enumerate(self.windows):
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if w.id == old_window_id:
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return idx
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def remove_window(self, window: Window, destroy: bool = True) -> None:
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idx = self.previous_active_window_idx(1)
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next_window_id = None
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if idx is not None:
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next_window_id = self.windows[idx].id
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active_window_idx = self.current_layout.remove_window(self.windows, window, self.active_window_idx)
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if destroy:
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remove_window(self.os_window_id, self.id, window.id)
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else:
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detach_window(self.os_window_id, self.id, window.id)
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if window.overlay_for is not None:
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for idx, q in enumerate(self.windows):
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if q.id == window.overlay_for:
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active_window_idx = idx
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next_window_id = q.id
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break
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if next_window_id is None and len(self.windows) > active_window_idx:
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next_window_id = self.windows[active_window_idx].id
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if next_window_id is not None:
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for idx, window in enumerate(self.windows):
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if window.id == next_window_id:
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self.active_window_idx = self.current_layout.set_active_window(self.windows, idx)
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break
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else:
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self.active_window_idx = active_window_idx
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else:
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self.active_window_idx = active_window_idx
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self.relayout_borders()
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active_window = self.active_window
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if active_window:
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self.title_changed(active_window)
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def detach_window(self, window: Window) -> Tuple[Optional[Window], Optional[Window]]:
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underlaid_window: Optional[Window] = None
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overlaid_window: Optional[Window] = window
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if window.overlay_for:
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for x in self.windows:
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if x.id == window.overlay_for:
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underlaid_window = x
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break
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elif window.overlay_window_id:
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underlaid_window = window
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overlaid_window = None
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for x in self.windows:
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if x.id == window.overlay_window_id:
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overlaid_window = x
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break
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if overlaid_window is not None:
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self.remove_window(overlaid_window, destroy=False)
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if underlaid_window is not None:
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self.remove_window(underlaid_window, destroy=False)
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return underlaid_window, overlaid_window
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def attach_window(self, window: Window) -> None:
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window.change_tab(self)
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attach_window(self.os_window_id, self.id, window.id)
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self._add_window(window)
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|
def set_active_window_idx(self, idx: int) -> None:
|
|
if idx != self.active_window_idx:
|
|
self.active_window_idx = self.current_layout.set_active_window(self.windows, idx)
|
|
self.relayout_borders()
|
|
|
|
def set_active_window(self, window: Window) -> None:
|
|
try:
|
|
idx = self.windows.index(window)
|
|
except ValueError:
|
|
return
|
|
self.set_active_window_idx(idx)
|
|
|
|
def get_nth_window(self, n: int) -> Optional[Window]:
|
|
if self.windows:
|
|
return self.current_layout.nth_window(self.windows, n)
|
|
|
|
def nth_window(self, num: int = 0) -> None:
|
|
if self.windows:
|
|
if num < 0:
|
|
idx = self.previous_active_window_idx(-num)
|
|
if idx is None:
|
|
return
|
|
self.active_window_idx = self.current_layout.set_active_window(self.windows, idx)
|
|
else:
|
|
self.active_window_idx = self.current_layout.activate_nth_window(self.windows, num)
|
|
self.relayout_borders()
|
|
|
|
def _next_window(self, delta: int = 1) -> None:
|
|
if len(self.windows) > 1:
|
|
self.active_window_idx = self.current_layout.next_window(self.windows, self.active_window_idx, delta)
|
|
self.relayout_borders()
|
|
|
|
def next_window(self) -> None:
|
|
self._next_window()
|
|
|
|
def previous_window(self) -> None:
|
|
self._next_window(-1)
|
|
|
|
prev_window = previous_window
|
|
|
|
def neighboring_window(self, which: str) -> None:
|
|
neighbors = self.current_layout.neighbors(self.windows, self.active_window_idx)
|
|
candidates = cast(Optional[Tuple[int, ...]], neighbors.get(which))
|
|
if candidates:
|
|
self.active_window_idx = self.current_layout.set_active_window(self.windows, candidates[0])
|
|
self.relayout_borders()
|
|
|
|
def move_window(self, delta: int = 1) -> None:
|
|
self.active_window_idx = self.current_layout.move_window(self.windows, self.active_window_idx, delta)
|
|
self.relayout()
|
|
|
|
def move_window_to_top(self) -> None:
|
|
self.move_window(-self.active_window_idx)
|
|
|
|
def move_window_forward(self) -> None:
|
|
self.move_window()
|
|
|
|
def move_window_backward(self) -> None:
|
|
self.move_window(-1)
|
|
|
|
def list_windows(self, active_window: Optional[Window]) -> Generator[WindowDict, None, None]:
|
|
for w in self:
|
|
yield w.as_dict(is_focused=w is active_window)
|
|
|
|
def matches(self, field: str, pat: Pattern) -> bool:
|
|
if field == 'id':
|
|
return bool(pat.pattern == str(self.id))
|
|
if field == 'title':
|
|
return pat.search(self.name or self.title) is not None
|
|
return False
|
|
|
|
def __iter__(self) -> Iterator[Window]:
|
|
return iter(self.windows)
|
|
|
|
def __len__(self) -> int:
|
|
return len(self.windows)
|
|
|
|
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 = deque()
|
|
|
|
def __repr__(self) -> str:
|
|
return 'Tab(title={}, id={})'.format(self.name or self.title, hex(id(self)))
|
|
|
|
def make_active(self) -> None:
|
|
tm = self.tab_manager_ref()
|
|
if tm is not None:
|
|
tm.set_active_tab(self)
|
|
# }}}
|
|
|
|
|
|
class TabManager: # {{{
|
|
|
|
def __init__(self, os_window_id: int, opts: Options, args: CLIOptions, startup_session: Optional[SessionType] = None):
|
|
self.os_window_id = os_window_id
|
|
self.last_active_tab_id = None
|
|
self.opts, self.args = opts, args
|
|
self.tab_bar_hidden = self.opts.tab_bar_style == 'hidden'
|
|
self.tabs: List[Tab] = []
|
|
self.active_tab_history: Deque[int] = deque()
|
|
self.tab_bar = TabBar(self.os_window_id, opts)
|
|
self._active_tab_idx = 0
|
|
|
|
if startup_session is not None:
|
|
for t in startup_session.tabs:
|
|
self._add_tab(Tab(self, session_tab=t))
|
|
self._set_active_tab(max(0, min(startup_session.active_tab_idx, len(self.tabs) - 1)))
|
|
|
|
@property
|
|
def active_tab_idx(self) -> int:
|
|
return self._active_tab_idx
|
|
|
|
@active_tab_idx.setter
|
|
def active_tab_idx(self, val: int) -> None:
|
|
try:
|
|
old_active_tab: Optional[Tab] = 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 = max(0, min(val, len(self.tabs) - 1))
|
|
try:
|
|
new_active_tab: Optional[Tab] = 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:
|
|
return len(self.tabs) >= self.opts.tab_bar_min_tabs
|
|
|
|
def _add_tab(self, tab: Tab) -> None:
|
|
visible_before = self.tab_bar_should_be_visible
|
|
self.tabs.append(tab)
|
|
if not visible_before and self.tab_bar_should_be_visible:
|
|
self.tabbar_visibility_changed()
|
|
|
|
def _remove_tab(self, tab: Tab) -> None:
|
|
visible_before = self.tab_bar_should_be_visible
|
|
remove_tab(self.os_window_id, tab.id)
|
|
self.tabs.remove(tab)
|
|
if visible_before and not self.tab_bar_should_be_visible:
|
|
self.tabbar_visibility_changed()
|
|
|
|
def _set_active_tab(self, idx: int) -> None:
|
|
self.active_tab_idx = idx
|
|
set_active_tab(self.os_window_id, idx)
|
|
|
|
def tabbar_visibility_changed(self) -> None:
|
|
if not self.tab_bar_hidden:
|
|
self.tab_bar.layout()
|
|
self.resize(only_tabs=True)
|
|
|
|
def mark_tab_bar_dirty(self) -> None:
|
|
if self.tab_bar_should_be_visible and not self.tab_bar_hidden:
|
|
mark_tab_bar_dirty(self.os_window_id)
|
|
|
|
def update_tab_bar_data(self) -> None:
|
|
self.tab_bar.update(self.tab_bar_data)
|
|
|
|
def update_dpi_based_sizes(self) -> None:
|
|
for tab in self.tabs:
|
|
tab.recalculate_sizes()
|
|
|
|
def resize(self, only_tabs: bool = False) -> None:
|
|
if not only_tabs:
|
|
if not self.tab_bar_hidden:
|
|
self.tab_bar.layout()
|
|
self.mark_tab_bar_dirty()
|
|
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()
|
|
|
|
def set_active_tab(self, tab: Tab) -> bool:
|
|
try:
|
|
idx = self.tabs.index(tab)
|
|
except Exception:
|
|
return False
|
|
self.set_active_tab_idx(idx)
|
|
return True
|
|
|
|
def next_tab(self, delta: int = 1) -> None:
|
|
if len(self.tabs) > 1:
|
|
self.set_active_tab_idx((self.active_tab_idx + len(self.tabs) + delta) % len(self.tabs))
|
|
|
|
def goto_tab(self, tab_num: int) -> None:
|
|
if tab_num >= len(self.tabs):
|
|
tab_num = max(0, len(self.tabs) - 1)
|
|
if tab_num >= 0:
|
|
self.set_active_tab_idx(tab_num)
|
|
else:
|
|
try:
|
|
old_active_tab_id = self.active_tab_history[tab_num]
|
|
except IndexError:
|
|
return
|
|
for idx, tab in enumerate(self.tabs):
|
|
if tab.id == old_active_tab_id:
|
|
self.set_active_tab_idx(idx)
|
|
break
|
|
|
|
def __iter__(self) -> Iterator[Tab]:
|
|
return iter(self.tabs)
|
|
|
|
def __len__(self) -> int:
|
|
return len(self.tabs)
|
|
|
|
def list_tabs(self, active_tab: Optional[Tab], active_window: Optional[Window]) -> Generator[TabDict, None, None]:
|
|
for tab in self:
|
|
yield {
|
|
'id': tab.id,
|
|
'is_focused': tab is active_tab,
|
|
'title': tab.name or tab.title,
|
|
'layout': str(tab.current_layout.name),
|
|
'windows': list(tab.list_windows(active_window)),
|
|
'active_window_history': list(tab.active_window_history),
|
|
}
|
|
|
|
@property
|
|
def active_tab(self) -> Optional[Tab]:
|
|
return self.tabs[self.active_tab_idx] if self.tabs else None
|
|
|
|
@property
|
|
def active_window(self) -> Optional[Window]:
|
|
t = self.active_tab
|
|
if t is not None:
|
|
return t.active_window
|
|
|
|
def tab_for_id(self, tab_id: int) -> Optional[Tab]:
|
|
for t in self.tabs:
|
|
if t.id == tab_id:
|
|
return t
|
|
|
|
def move_tab(self, delta: int = 1) -> None:
|
|
if len(self.tabs) > 1:
|
|
idx = self.active_tab_idx
|
|
nidx = (idx + len(self.tabs) + delta) % len(self.tabs)
|
|
step = 1 if idx < nidx else -1
|
|
for i in range(idx, nidx, step):
|
|
self.tabs[i], self.tabs[i + step] = self.tabs[i + step], self.tabs[i]
|
|
swap_tabs(self.os_window_id, i, i + step)
|
|
self._set_active_tab(nidx)
|
|
self.mark_tab_bar_dirty()
|
|
|
|
def new_tab(
|
|
self,
|
|
special_window: Optional[SpecialWindowInstance] = None,
|
|
cwd_from: Optional[int] = None,
|
|
as_neighbor: bool = False,
|
|
empty_tab: bool = False,
|
|
location: str = 'last'
|
|
) -> Tab:
|
|
idx = len(self.tabs)
|
|
orig_active_tab_idx = self.active_tab_idx
|
|
self._add_tab(Tab(self, no_initial_window=True) if empty_tab else Tab(self, special_window=special_window, cwd_from=cwd_from))
|
|
self._set_active_tab(idx)
|
|
if as_neighbor:
|
|
location = 'after'
|
|
if location == 'neighbor':
|
|
location = 'after'
|
|
if len(self.tabs) > 1 and location != 'last':
|
|
if location == 'first':
|
|
desired_idx = 0
|
|
else:
|
|
desired_idx = orig_active_tab_idx + (0 if location == 'before' else 1)
|
|
if idx != desired_idx:
|
|
for i in range(idx, desired_idx, -1):
|
|
self.tabs[i], self.tabs[i-1] = self.tabs[i-1], self.tabs[i]
|
|
swap_tabs(self.os_window_id, i, i-1)
|
|
self._set_active_tab(desired_idx)
|
|
idx = desired_idx
|
|
self.mark_tab_bar_dirty()
|
|
return self.tabs[idx]
|
|
|
|
def remove(self, tab: Tab) -> None:
|
|
self._remove_tab(tab)
|
|
next_active_tab = -1
|
|
while True:
|
|
try:
|
|
self.active_tab_history.remove(tab.id)
|
|
except ValueError:
|
|
break
|
|
|
|
if self.opts.tab_switch_strategy == 'previous':
|
|
while self.active_tab_history and next_active_tab < 0:
|
|
tab_id = self.active_tab_history.pop()
|
|
for idx, qtab in enumerate(self.tabs):
|
|
if qtab.id == tab_id:
|
|
next_active_tab = idx
|
|
break
|
|
elif self.opts.tab_switch_strategy == 'left':
|
|
next_active_tab = max(0, self.active_tab_idx - 1)
|
|
|
|
if next_active_tab < 0:
|
|
next_active_tab = max(0, min(self.active_tab_idx, len(self.tabs) - 1))
|
|
|
|
self._set_active_tab(next_active_tab)
|
|
self.mark_tab_bar_dirty()
|
|
tab.destroy()
|
|
|
|
@property
|
|
def tab_bar_data(self) -> List[TabBarData]:
|
|
at = self.active_tab
|
|
ans = []
|
|
for t in self.tabs:
|
|
title = (t.name or t.title or appname).strip()
|
|
needs_attention = False
|
|
for w in t:
|
|
if w.needs_attention:
|
|
needs_attention = True
|
|
break
|
|
ans.append(TabBarData(title, t is at, needs_attention))
|
|
return ans
|
|
|
|
def activate_tab_at(self, x: int) -> None:
|
|
i = self.tab_bar.tab_at(x)
|
|
if i is not None:
|
|
self.set_active_tab_idx(i)
|
|
|
|
@property
|
|
def blank_rects(self) -> Tuple[Rect, ...]:
|
|
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
|
|
# }}}
|