mirror of
https://github.com/DYefremov/DemonEditor.git
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87 lines
3.0 KiB
Python
87 lines
3.0 KiB
Python
# -*- coding: utf-8 -*-
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#
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# The MIT License (MIT)
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#
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# Copyright (c) 2018-2022 Dmitriy Yefremov
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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# THE SOFTWARE.
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#
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# Author: Dmitriy Yefremov
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#
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from app.ui.dialogs import translate
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from .uicommons import Gtk, GLib
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class BGTaskWidget(Gtk.Box):
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""" Widget for displaying and running background tasks. """
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TASK_LIMIT = 1
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def __init__(self, app, text, target, *args):
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super().__init__(spacing=2, orientation=Gtk.Orientation.HORIZONTAL, valign=Gtk.Align.CENTER)
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self._app = app
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self._label = Gtk.Label(translate(text))
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self.pack_start(self._label, False, False, 0)
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self._spinner = Gtk.Spinner(active=True)
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self.pack_start(self._spinner, False, False, 0)
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close_button = Gtk.Button.new_from_icon_name("window-close", Gtk.IconSize.MENU)
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close_button.set_relief(Gtk.ReliefStyle.NONE)
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close_button.set_valign(Gtk.Align.CENTER)
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close_button.set_tooltip_text(translate("Cancel"))
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close_button.set_name("task-button")
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close_button.connect("clicked", lambda b: self._app.emit("task-cancel", self))
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self.pack_start(close_button, False, False, 0)
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self.show_all()
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# Just prototype. -> It may not work properly!
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# TODO: Different options need to be tested. Possibly with normal threads.
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from concurrent.futures import ThreadPoolExecutor
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self._executor = ThreadPoolExecutor(max_workers=self.TASK_LIMIT)
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future = self._executor.submit(target, *args)
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future.add_done_callback(lambda f: GLib.idle_add(self._app.emit, "task-done", self))
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@property
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def text(self):
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return self._label.get_text()
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@text.setter
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def text(self, value):
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self._label.set_text(value)
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@property
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def tooltip(self):
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return self.get_tooltip_text()
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@tooltip.setter
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def tooltip(self, value):
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self.set_tooltip_text(value)
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def cancel(self):
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self._executor.shutdown(wait=False)
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self._app.emit("task-canceled", None)
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if __name__ == '__main__':
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pass
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