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#!/usr/bin/python3
# vim:fileencoding=utf-8:sw=4:et
"""
Liferea Header Bar Plugin
Copyright (C) 2018 Lars Windolf <lars.windolf@gmx.de>
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU Lesser General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
This program 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 Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public License
along with this program. If not, see <https://www.gnu.org/licenses/>.
"""
import gettext
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import GObject, Gio, Gtk, Liferea
# Initialize translations for tooltips
# Fallback to English if gettext module can't find the translations
# (That's possible if they are installed in a nontraditional dir)
_ = lambda x: x
try:
t = gettext.translation("liferea")
except FileNotFoundError:
pass
else:
_ = t.gettext
#function borrowed from https://gist.github.com/thorsummoner/230bed5bbd3380bd5949
def bind_accelerator(accelerators, widget, accelerator, signal='clicked'):
key, mod = Gtk.accelerator_parse(accelerator)
widget.add_accelerator(signal, accelerators, key, mod, Gtk.AccelFlags.VISIBLE)
class HeaderBarPlugin(GObject.Object, Liferea.ShellActivatable):
__gtype_name__ = "HeaderBarPlugin"
hb = None
object = GObject.property(type=GObject.Object)
shell = GObject.property(type=Liferea.Shell)
def __init__(self):
GObject.Object.__init__(self)
def do_activate(self):
self.hb = Gtk.HeaderBar()
self.hb.props.show_close_button = True
self.hb.set_title("Liferea")
# Left side buttons
box = Gtk.Box(orientation=Gtk.Orientation.HORIZONTAL)
Gtk.StyleContext.add_class(box.get_style_context(), "linked")
button = Gtk.Button()
button.add(Gtk.Arrow(Gtk.ArrowType.LEFT, Gtk.ShadowType.NONE))
button.set_action_name("app.prev-read-item")
button.set_tooltip_text(_("Previous Item"))
box.add(button)
button = Gtk.Button()
button.add(Gtk.Arrow(Gtk.ArrowType.RIGHT, Gtk.ShadowType.NONE))
button.set_action_name("app.next-read-item")
button.set_tooltip_text(_("Next Item"))
box.add(button)
button = Gtk.Button()
icon = Gio.ThemedIcon(name="edit-redo-symbolic")
image = Gtk.Image.new_from_gicon(icon, Gtk.IconSize.BUTTON)
button.add(image)
button.set_action_name("app.next-unread-item")
button.set_tooltip_text(_("_Next Unread Item").replace("_", ""))
box.add(button)
button = Gtk.Button()
icon = Gio.ThemedIcon(name="emblem-ok-symbolic")
image = Gtk.Image.new_from_gicon(icon, Gtk.IconSize.BUTTON)
button.add(image)
button.set_action_name("app.mark-selected-feed-as-read")
button.set_tooltip_text(_("_Mark Items Read").replace("_", ""))
box.add(button)
self.hb.pack_start(box)
# Right side buttons
button = Gtk.MenuButton()
icon = Gio.ThemedIcon(name="open-menu-symbolic")
image = Gtk.Image.new_from_gicon(icon, Gtk.IconSize.BUTTON)
builder = self.shell.get_property("builder")
button.set_menu_model(builder.get_object("menubar"))
button.add(image)
#Bind the F10 key to the hamburger menu button
window = self.shell.get_window()
accelerators = Gtk.AccelGroup()
window.add_accel_group(accelerators)
bind_accelerator(accelerators, button, 'F10')
self.hb.pack_end(button)
button = Gtk.Button()
icon = Gio.ThemedIcon(name="edit-find-symbolic")
image = Gtk.Image.new_from_gicon(icon, Gtk.IconSize.BUTTON)
button.add(image)
button.set_action_name("app.search-feeds")
button.set_tooltip_text(_("Search All Feeds..."))
self.hb.pack_end(button)
self.shell.lookup("mainwindow").set_titlebar(self.hb)
self.shell.lookup("mainwindow").set_show_menubar(False)
self.shell.lookup("maintoolbar").set_visible(False)
self.hb.show_all()
def do_deactivate(self):
self.shell.lookup("mainwindow").set_titlebar(None)
self.shell.lookup("mainwindow").set_show_menubar(True)
self.shell.lookup("maintoolbar").set_visible(True)
self.hb = None
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