input-remapper/keymapper/presets.py
2020-11-02 02:44:48 +01:00

114 lines
3.0 KiB
Python

#!/usr/bin/python3
# -*- coding: utf-8 -*-
# key-mapper - GUI for device specific keyboard mappings
# Copyright (C) 2020 sezanzeb <proxima@hip70890b.de>
#
# This file is part of key-mapper.
#
# key-mapper is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# key-mapper is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with key-mapper. If not, see <https://www.gnu.org/licenses/>.
"""Helperfunctions to find device ids, names, and to load configs."""
import os
import glob
from keymapper.paths import CONFIG_PATH
from keymapper.logger import logger
from keymapper.X import find_devices, generate_setxkbmap_config
def get_presets(device):
"""Get all configured presets for the device, sorted by modification date.
Parameters
----------
device : string
"""
device_folder = os.path.join(CONFIG_PATH, device)
if not os.path.exists(device_folder):
os.makedirs(device_folder)
presets = os.listdir(device_folder)
return presets
def create_preset(device, name=None):
"""Create an empty preset."""
existing_names = get_presets(device)
if name is None:
name = 'new preset'
# find a name that is not already taken
i = 1
while name in existing_names:
i += 1
name = f'{name} {i}'
generate_setxkbmap_config(device, name, [])
return name
def get_mappings(device, preset):
"""Get all configured buttons of the preset.
Parameters
----------
device : string
preset : string
"""
pass
def get_any_preset():
"""Return the first found tuple of (device, preset)."""
any_device = list(find_devices().keys())[0]
any_preset = (get_presets(any_device) or [None])[0]
return any_device, any_preset
def find_newest_preset():
"""Get a tuple of (device, preset) that was most recently modified.
If no device has been configured yet, return arbitrarily.
"""
# sort the oldest files to the front
paths = sorted(
glob.glob(os.path.join(CONFIG_PATH, '*/*')),
key=os.path.getmtime
)
if len(paths) == 0:
logger.debug('No presets found.')
return get_any_preset()
online_devices = find_devices().keys()
newest_path = None
while len(paths) > 0:
# take the newest path
path = paths.pop()
preset = os.path.split(path)[1]
device = os.path.split(os.path.split(path)[0])[1]
if device in online_devices:
newest_path = path
break
if newest_path is None:
logger.debug('None of the configured devices is currently online.')
return get_any_preset()
return device, preset