gpodder/src/gpodder/gtkui/widgets.py

66 lines
2.2 KiB
Python

# -*- coding: utf-8 -*-
#
# gPodder - A media aggregator and podcast client
# Copyright (c) 2005-2018 The gPodder Team
#
# gPodder 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.
#
# gPodder 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 this program. If not, see <http://www.gnu.org/licenses/>.
#
#
# widgets.py -- Additional widgets for gPodder
# Thomas Perl <thp@gpodder.org> 2009-03-31
#
import gi # isort:skip
gi.require_version('Gtk', '3.0') # isort:skip
from gi.repository import Gtk
class SpinningProgressIndicator(Gtk.Image):
# Progress indicator loading inspired by glchess from gnome-games-clutter
def __init__(self, size=32):
Gtk.Image.__init__(self)
self._frames = []
self._frame_id = 0
# Load the progress indicator
icon_theme = Gtk.IconTheme.get_default()
try:
icon = icon_theme.load_icon('process-working', size, 0)
width, height = icon.get_width(), icon.get_height()
if width < size or height < size:
size = min(width, height)
for row in range(height // size):
for column in range(width // size):
frame = icon.subpixbuf(column * size, row * size, size, size)
self._frames.append(frame)
# Remove the first frame (the "idle" icon)
if self._frames:
self._frames.pop(0)
self.step_animation()
except:
# FIXME: This is not very beautiful :/
self.set_from_icon_name('system-run', Gtk.IconSize.BUTTON)
def step_animation(self):
if len(self._frames) > 1:
self._frame_id += 1
if self._frame_id >= len(self._frames):
self._frame_id = 0
self.set_from_pixbuf(self._frames[self._frame_id])