Merge pull request #614 from lwindolf/headerbar-plugin

Headerbar support via plugin (discussion in #276)

Makefile.am

@@ -38,6 +38,8 @@ plugin_DATA = \
 	plugins/bold-unread.plugin \
 	plugins/gnome-keyring.py \
 	plugins/gnome-keyring.plugin \
+	plugins/headerbar.py \
+	plugins/headerbar.plugin \
 	plugins/libnotify.py \
 	plugins/libnotify.plugin \
 	plugins/media-player.py \

plugins/headerbar.plugin

@@ -0,0 +1,12 @@
+[Plugin]
+Module=headerbar
+Loader=python3
+IAge=2
+Name=Header Bar
+Version=0.1
+Description=Get a GNOME style header bar for Liferea
+Authors=Lars Windolf <lars.windolf@gmx.de>
+Copyright=Copyright © 2018 Lars Windolf <lars.windolf@gmx.de>
+Website=https://lzone.de/liferea/
+Help=https://lzone.de/liferea/
+

plugins/headerbar.py

@@ -0,0 +1,92 @@
+#!/usr/bin/python3
+# vim:fileencoding=utf-8:sw=4:et
+#
+# Liferea Header Bar Plugin
+#
+# Copyright (C) 2018 Lars Windolf <lars.windolf@gmx.de>
+#
+# This library is free software; you can redistribute it and/or
+# modify it under the terms of the GNU Library General Public
+# License as published by the Free Software Foundation; either
+# version 3 of the License, or (at your option) any later version.
+#
+# This library 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
+# Library General Public License for more details.
+#
+# You should have received a copy of the GNU Library General Public License
+# along with this library; see the file COPYING.LIB.  If not, write to
+# the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+# Boston, MA 02111-1307, USA.
+#
+
+import gi
+
+gi.require_version('Gtk', '3.0')
+
+from gi.repository import GObject, Gio, Gtk, Gdk, PeasGtk, Liferea
+
+class HeaderBarPlugin (GObject.Object, Liferea.ShellActivatable):
+    __gtype_name__ = "HeaderBarPlugin"
+
+    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")
+        box.add(button)
+
+        button = Gtk.Button()
+        button.add(Gtk.Arrow(Gtk.ArrowType.RIGHT, Gtk.ShadowType.NONE))
+        button.set_action_name("app.next-read-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")
+        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)
+        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")
+        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