kitty/kittens/panel/main.py
2018-06-02 12:24:21 +05:30

149 lines
4.6 KiB
Python

#!/usr/bin/env python
# vim:fileencoding=utf-8
# License: GPL v3 Copyright: 2018, Kovid Goyal <kovid at kovidgoyal.net>
import subprocess
import sys
from kitty.constants import is_macos, is_wayland
from kitty.cli import parse_args
OPTIONS = r'''
--lines
type=int
default=1
The number of lines shown in the panel (the height of the panel). Applies to horizontal panels.
--columns
type=int
default=20
The number of columns shown in the panel (the width of the panel). Applies to vertical panels.
--edge
choices=top,bottom,left,right
default=top
Which edge of the screen to place the panel on. Note that some window managers
(such as i3) do not support placing docked windows on the left and right edges.
--config -c
type=list
Path to config file to use for kitty when drawing the panel.
--override -o
type=list
Override individual kitty configuration options, can be specified multiple times.
Syntax: :italic:`name=value`. For example: :option:`kitty +kitten panel -o` font_size=20
'''.format
args = None
help_text = 'Use a command line program to draw a GPU accelerated panel on your X11 desktop'
usage = 'program-to-run'
def parse_panel_args(args):
return parse_args(args, OPTIONS, usage, help_text, 'kitty +kitten panel')
def call_xprop(*cmd, silent=False):
cmd = ['xprop'] + list(cmd)
try:
cp = subprocess.run(cmd, stdout=subprocess.DEVNULL if silent else None)
except FileNotFoundError:
raise SystemExit('You must have the xprop program installed')
if cp.returncode != 0:
raise SystemExit(cp.returncode)
def create_strut(
win_id,
left=0, right=0, top=0, bottom=0, left_start_y=0, left_end_y=0,
right_start_y=0, right_end_y=0, top_start_x=0, top_end_x=0,
bottom_start_x=0, bottom_end_x=0
):
call_xprop(
'-id',
str(int(win_id)), '-format', '_NET_WM_STRUT_PARTIAL', '32cccccccccccc',
'-set', '_NET_WM_STRUT_PARTIAL',
'{left},{right},{top},{bottom},'
'{left_start_y},{left_end_y},{right_start_y},{right_end_y},'
'{top_start_x},{top_end_x},{bottom_start_x},{bottom_end_x}'.format(**locals())
)
def create_top_strut(win_id, width, height):
create_strut(win_id, top=height, top_end_x=width)
def create_bottom_strut(win_id, width, height):
create_strut(win_id, bottom=height, bottom_end_x=width)
def create_left_strut(win_id, width, height):
create_strut(win_id, left=width, left_end_y=height)
def create_right_strut(win_id, width, height):
create_strut(win_id, right=width, right_end_y=height)
def setup_x11_window(win_id):
call_xprop(
'-id', str(win_id), '-format', '_NET_WM_WINDOW_TYPE', '32a',
'-set', '_NET_WM_WINDOW_TYPE', '_NET_WM_WINDOW_TYPE_DOCK'
)
func = globals()['create_{}_strut'.format(args.edge)]
func(win_id, initial_window_size_func.width, initial_window_size_func.height)
def initial_window_size_func(opts, *a):
from kitty.fast_data_types import glfw_primary_monitor_size, set_smallest_allowed_resize
def initial_window_size(cell_width, cell_height, dpi_x, dpi_y):
monitor_width, monitor_height = glfw_primary_monitor_size()
if args.edge in {'top', 'bottom'}:
h = initial_window_size_func.height = cell_height * args.lines + 1
initial_window_size_func.width = monitor_width
set_smallest_allowed_resize(100, h)
else:
w = initial_window_size_func.width = cell_width * args.columns + 1
initial_window_size_func.height = monitor_height
set_smallest_allowed_resize(w, 100)
return initial_window_size_func.width, initial_window_size_func.height
return initial_window_size
def main(sys_args):
global args
if is_macos or is_wayland:
raise SystemExit('Currently the panel kitten is supported only on X11 desktops')
call_xprop('-version', silent=True) # ensure xprop is available
args, items = parse_panel_args(sys_args[1:])
if not items:
raise SystemExit('You must specify the program to run')
sys.argv = ['kitty']
if args.config:
sys.argv.append('--config={}'.format(args.config))
for override in args.override:
sys.argv.append('--override={}'.format(override))
sys.argv.extend(items)
from kitty.main import run_app, main
run_app.cached_values_name = 'panel'
run_app.first_window_callback = setup_x11_window
run_app.initial_window_size_func = initial_window_size_func
main()
if __name__ == '__main__':
main(sys.argv)
elif __name__ == '__doc__':
sys.cli_docs['usage'] = usage
sys.cli_docs['options'] = OPTIONS
sys.cli_docs['help_text'] = help_text