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# Copyright (c) 2015-2016 Ruby-GNOME2 Project Team
# This program is licenced under the same licence as Ruby-GNOME2.
#
=begin
= Info Bars
Info bar widgets are used to report important messages to the user.
=end
class InfobarDemo
def initialize(main_window)
@actions = Gtk::Box.new(:horizontal, 0)
@window = Gtk::Window.new(:toplevel)
@window.screen = main_window.screen
@window.set_title("Info Bars")
@window.set_border_width(8)
@vbox = Gtk::Box.new(:vertical, 0)
@window.add(@vbox)
generate_simple_infobar("info")
generate_simple_infobar("warning")
generate_infobar_with_dialog
generate_simple_infobar("error")
generate_simple_infobar("other")
frame = Gtk::Frame.new("Info bars")
@vbox.pack_start(frame, :expand => false, :fill => false, :padding => 8)
vbox2 = Gtk::Box.new(:vertical, 8)
vbox2.border_width = 8
frame.add(vbox2)
label = Gtk::Label.new("An example of different info bars")
vbox2.pack_start(label, :expand => false, :fill => false, :padding => 0)
@actions.show_all
vbox2.pack_start(@actions, :expand => false, :fill => false, :padding => 0)
end
def run
if !@window.visible?
@window.show_all
else
@window.destroy
end
@window
end
private
def generate_infobar_label(message)
label = Gtk::Label.new(message)
label.line_wrap = true
label.xalign = 0
label
end
def add_a_label_message_in_an_infobar(bar, message)
label = generate_infobar_label(message)
bar.content_area.pack_start(label, :expand => false, :fill => false, :padding => 0)
end
def generate_simple_infobar(message_type)
bar = Gtk::InfoBar.new
@vbox.pack_start(bar, :expand => false, :fill => false, :padding => 0)
bar.message_type = message_type.to_sym
message = "This is an info bar with message type Gtk::MessageType::#{message_type.upcase}"
add_a_label_message_in_an_infobar(bar, message)
link_bar_to_a_toggle_button(bar, message_type.capitalize)
end
def link_bar_to_a_toggle_button(bar, message)
button = Gtk::ToggleButton.new(:label => message)
button.bind_property("active", bar, "visible", :bidirectional)
@actions.add(button)
button
end
def generate_infobar_with_dialog
bar = Gtk::InfoBar.new
bar.add_button("_OK", Gtk::ResponseType::OK)
bar.show_close_button = true
manage_response_event_of_infobar(bar)
@vbox.pack_start(bar, :expand => false, :fill => false, :padding => 0)
bar.message_type = :question
message = "This is an info bar with message type Gtk::MessageType::QUESTION"
add_a_label_message_in_an_infobar(bar, message)
button = link_bar_to_a_toggle_button(bar, "Question")
button.active = false
end
def manage_response_event_of_infobar(bar)
bar.signal_connect "response" do |info_bar, response_id|
info_bar.hide if response_id == Gtk::ResponseType::CLOSE
dialog = Gtk::MessageDialog.new(:parent => info_bar.toplevel,
:flags => [:modal, :destroy_with_parent],
:type => :info,
:buttons => :ok,
:message => "You clicked a button on an info bar")
dialog.secondary_text = "Your response has id #{response_id}"
dialog.signal_connect("response", &:destroy)
dialog.show_all
end
end
end
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