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Implement single-instance for panel kitten

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Kovid Goyal
2025-04-21 16:55:55 +05:30
parent 0ad989f71d
commit 9b5d5bf678
4 changed files with 70 additions and 15 deletions
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34
kittens/panel/main.py
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@@ -4,11 +4,12 @@
import sys
from collections.abc import Callable
from contextlib import suppress
from typing import Any
from functools import partial
from typing import Any, Mapping, Sequence
from kitty.cli import parse_args
from kitty.cli_stub import PanelCLIOptions
from kitty.constants import appname, is_macos, is_wayland
from kitty.constants import appname, is_macos, is_wayland, kitten_exe
from kitty.fast_data_types import (
GLFW_EDGE_BOTTOM,
GLFW_EDGE_CENTER,
@@ -28,7 +29,7 @@ from kitty.fast_data_types import (
)
from kitty.os_window_size import WindowSizeData, edge_spacing
from kitty.types import LayerShellConfig
from kitty.typing import EdgeLiteral
from kitty.typing import BossType, EdgeLiteral
OPTIONS = r'''
--lines
@@ -147,6 +148,19 @@ On a Wayland compositor that supports the wlr layer shell protocol, override the
This has effect only if :option:`--edge` is set to :code:`top`, :code:`left`, :code:`bottom` or :code:`right`.
--single-instance -1
type=bool-set
If specified only a single instance of the panel will run. New
invocations will instead create a new top-level window in the existing
panel instance.
--instance-group
Used in combination with the :option:`--single-instance` option. All
panel invocations with the same :option:`--instance-group` will result
in new panels being created in the first panel instance within that group.
--debug-rendering
type=bool-set
For internal debugging use.
@@ -277,6 +291,18 @@ def layer_shell_config(opts: PanelCLIOptions) -> LayerShellConfig:
output_name=opts.output_name or '')
def handle_single_instance_command(boss: BossType, sys_args: Sequence[str], environ: Mapping[str, str], notify_on_os_window_death: str | None = '') -> None:
from kitty.tabs import SpecialWindow
args, items = parse_panel_args(list(sys_args[1:]))
items = items or [kitten_exe(), 'run-shell']
lsc = layer_shell_config(args)
os_window_id = boss.add_os_panel(lsc, args.cls, args.name)
if notify_on_os_window_death:
boss.os_window_death_actions[os_window_id] = partial(boss.notify_on_os_window_death, notify_on_os_window_death)
tm = boss.os_window_map[os_window_id]
tm.new_tab(SpecialWindow(cmd=items, env=dict(environ)))
def main(sys_args: list[str]) -> None:
global args
if is_macos:
@@ -295,6 +321,8 @@ def main(sys_args: list[str]) -> None:
for override in args.override:
sys.argv.extend(('--override', override))
sys.argv.append('--override=linux_display_server=auto')
if args.single_instance:
sys.argv.append('--single-instance')
sys.argv.extend(items)
from kitty.main import main as real_main
from kitty.main import run_app