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# Copyright (c) 2015-2016 Ruby-GNOME2 Project Team
# This program is licenced under the same licence as Ruby-GNOME2.
#
=begin
= Dialogs and Message Boxes
Dialog widgets are used to pop up a transient window for user feedback.
=end
class DialogDemo
def initialize(main_window)
@window = Gtk::Window.new(:toplevel)
@window.screen = main_window.screen
@window.title = "Dialogs and Message Boxes"
@window.border_width = 8
frame = Gtk::Frame.new("Dialogs")
@window.add(frame)
vbox = Gtk::Box.new(:vertical, 8)
vbox.border_width = 8
frame.add(vbox)
# Standard message dialog
hbox = Gtk::Box.new(:horizontal, 8)
vbox.pack_start(hbox, :expand => false, :fill => false, :padding => 0)
button = initialize_standard_message_button
hbox.pack_start(button, :expand => false, :fill => false, :padding => 0)
vbox.pack_start(Gtk::Separator.new(:horizontal),
:expand => false,
:fill => false,
:padding => 0)
# Interactive dialog
hbox = Gtk::Box.new(:horizontal, 8)
vbox.pack_start(hbox, :expand => false, :fill => false, :padding => 0)
vbox2 = Gtk::Box.new(:vertical, 0)
hbox.pack_start(vbox2, :expand => false, :fill => false, :padding => 0)
button = initialize_interactive_message_button
vbox2.pack_start(button, :expand => false, :fill => false, :padding => 0)
table, @entry1, @entry2 = initialize_grid_with_entries
hbox.pack_start(table, :expand => false, :fill => false, :padding => 0)
end
def run
if !@window.visible?
@window.show_all
else
@window.destroy
end
@window
end
private
def initialize_standard_message_button
button = Gtk::Button.new(:label => "_Message Dialog",
:use_underline => true)
@counter = 0
button.signal_connect "clicked" do
show_standard_message_dialog
end
button
end
def initialize_interactive_message_button
button = Gtk::Button.new(:label => "_Interactive Dialog",
:use_underline => true)
button.signal_connect "clicked" do
show_interactive_message_dialog
end
button
end
def show_standard_message_dialog
dialog = Gtk::MessageDialog.new(:parent => @window,
:flags => [:modal, :destroy_with_parent],
:type => :info,
:buttons => :ok_cancel,
:message => <<-MESSAGE)
This message has been popped up the following
number of times:
MESSAGE
dialog.secondary_text = @counter.to_s
dialog.run
dialog.destroy
@counter += 1
end
def show_interactive_message_dialog
dialog = Gtk::Dialog.new(:parent => @window,
:title => "Interactive Dialog",
:flags => [:modal, :destroy_with_parent],
:buttons => [["_OK", :ok],
["_Cancel", :cancel]])
content_area = dialog.content_area
hbox = initialize_interactive_dialog_interface
content_area.pack_start(hbox)
response = dialog.run
if response == :ok
@entry1.text = @dialog_entry1.text
@entry2.text = @dialog_entry2.text
end
dialog.destroy
end
def initialize_interactive_dialog_interface
hbox = Gtk::Box.new(:horizontal, 8)
hbox.border_width = 8
image = Gtk::Image.new(:icon_name => "dialog-question", :size => :dialog)
hbox.pack_start(image)
table, @dialog_entry1, @dialog_entry2 = initialize_grid_with_entries
hbox.pack_start(table, :expand => false, :fill => false, :padding => 0)
hbox.show_all
hbox
end
def initialize_grid_with_entries
table = Gtk::Grid.new
table.row_spacing = 4
table.column_spacing = 4
label = Gtk::Label.new("_Entry 1", :use_underline => true)
table.attach(label, 0, 0, 1, 1)
entry1 = Gtk::Entry.new
table.attach(entry1, 1, 0, 1, 1)
label.set_mnemonic_widget(entry1)
label = Gtk::Label.new("E_ntry 2", :use_underline => true)
table.attach(label, 0, 1, 1, 1)
entry2 = Gtk::Entry.new
table.attach(entry2, 1, 1, 1, 1)
label.set_mnemonic_widget(entry2)
[table, entry1, entry2]
end
end
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