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#!/usr/bin/env ruby
#
# Copyright (C) 2018 Ruby-GNOME2 Project Team
#
# This library 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 2.1 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
# Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public
# License along with this library; if not, write to the Free Software
# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
# example from https://github.com/GNOME/gtk/blob/master/examples/action-namespace.c
require_relative "utils"
require_gtk4
MENU_UI =
"<interface>
<menu id='doc-menu'>
<section>
<item>
<attribute name='label'>_Save</attribute>
<attribute name='action'>save</attribute>
</item>
<item>
<attribute name='label'>_Print</attribute>
<attribute name='action'>print</attribute>
</item>
<item>
<attribute name='label'>_Share</attribute>
<attribute name='action'>share</attribute>
</item>
</section>
</menu>
<menu id='win-menu'>
<section>
<item>
<attribute name='label'>_Fullscreen</attribute>
<attribute name='action'>fullscreen</attribute>
</item>
<item>
<attribute name='label'>_Close</attribute>
<attribute name='action'>close</attribute>
</item>
</section>
</menu>
</interface>"
def action(name, window)
action = Gio::SimpleAction.new(name)
action.signal_connect "activate" do |_simple_action, _parameter|
dialog = Gtk::MessageDialog.new(:parent => window,
:flags => :destroy_with_parent,
:buttons => :close,
:message => "Action #{name} activated.")
dialog.signal_connect(:response) do
dialog.destroy
end
dialog.show
end
action
end
def action_save(window)
action("save", window)
end
def action_print(window)
action("print", window)
end
def action_share(window)
action("share", window)
end
def action_fullscreen(window)
action("fullscreen", window)
end
def action_close(window)
action("close", window)
end
application = Gtk::Application.new("org.gtk.example", :flags_none)
application.signal_connect "activate" do |app|
win = Gtk::ApplicationWindow.new(app)
win.set_default_size(200, 300)
doc_actions = Gio::SimpleActionGroup.new
doc_actions.add_action(action_save(win))
doc_actions.add_action(action_share(win))
doc_actions.add_action(action_print(win))
win.add_action(action_close(win))
win.add_action(action_fullscreen(win))
builder = Gtk::Builder.new(:string => MENU_UI)
docmenu = builder["doc-menu"]
winmenu = builder["win-menu"]
buttonmenu = Gio::Menu.new
section = Gio::MenuItem.new(nil, docmenu)
section.action_namespace = "doc"
buttonmenu.append_item(section)
section = Gio::MenuItem.new(nil, winmenu)
section.action_namespace = "win"
buttonmenu.append_item(section)
button = Gtk::MenuButton.new
button.label = "Menu"
button.insert_action_group("doc", doc_actions)
button.menu_model = buttonmenu
button.halign = :center
button.valign = :start
win.set_child(button)
win.show
end
application.run(ARGV)
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