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# Copyright (c) 2015-2016 Ruby-GNOME2 Project Team
# This program is licenced under the same licence as Ruby-GNOME2.
#
=begin
= Entry/Delayed Search Entry
GtkSearchEntry sets up GtkEntries ready for search. Search entries
have their "changed" signal delayed and should be used
when the searched operation is slow such as loads of entries
to search, or online searches.
=end
class SearchEntry2Demo
def initialize(main_window)
@window = Gtk::Window.new(:toplevel)
@window.title = "Delayed Search Entry"
@window.transient_for = main_window
@window.resizable = true
@window.set_size_request(200, -1)
initialize_vbox
@entry = Gtk::SearchEntry.new
initialize_search_bar
@vbox.pack_start(@searchbar,
:expand => false, :fill => false, :padding => 0)
# Hook the search bar to key presses
@window.signal_connect("key-press-event") do |_widget, event|
@searchbar.handle_event(event)
end
initialize_help_label
initialize_toggle_button
initialize_result_hbox
initialize_signal_hbox
end
def run
if !@window.visible?
@window.show_all
else
@window.destroy
end
@window
end
private
def initialize_search_bar
container = Gtk::Box.new(:horizontal, 10)
container.halign = :center
container.pack_start(@entry,
:expand => false, :fill => false, :padding => 0)
@searchbar = Gtk::SearchBar.new
@searchbar.connect_entry(@entry)
@searchbar.show_close_button = false
@searchbar.add(container)
end
def initialize_vbox
@vbox = Gtk::Box.new(:vertical, 0)
@window.add(@vbox)
@vbox.border_width = 0
end
def initialize_help_label
# Help
label = Gtk::Label.new("Start Typing to search")
@vbox.pack_start(label, :expand => true, :fill => true, :padding => 0)
end
def initialize_toggle_button
# Toggle button
button = Gtk::ToggleButton.new(:label => "Search")
button.bind_property("active", @searchbar, "search-mode-enabled",
:bidirectional)
@vbox.pack_start(button, :expand => true, :fill => true, :padding => 0)
end
def initialize_result_hbox
hbox = Gtk::Box.new(:horizontal, 10)
@vbox.pack_start(hbox, :expand => true, :fill => true, :padding => 0)
hbox.border_width = 0
# Result
label = Gtk::Label.new("Result:")
label.xalign = 0.0
label.margin_start = 6
hbox.pack_start(label, :expand => true, :fill => true, :padding => 0)
label = Gtk::Label.new("")
hbox.pack_start(label, :expand => true, :fill => true, :padding => 0)
@entry.signal_connect("search-changed") do |widget|
puts "search changed: #{widget.text || ''}"
label.text = widget.text || ""
end
@entry.signal_connect("changed") { puts "changed: #{label.text || ''}" }
end
def initialize_signal_hbox
hbox = Gtk::Box.new(:horizontal, 10)
@vbox.pack_start(hbox, :expand => true, :fill => true, :padding => 0)
hbox.border_width = 0
label = Gtk::Label.new("Signal:")
label.xalign = 0.0
label.margin_start = 6
hbox.pack_start(label, :expand => true, :fill => true, :padding => 0)
label = Gtk::Label.new("")
hbox.pack_start(label, :expand => true, :fill => true, :padding => 0)
@entry.signal_connect("search-changed") { label.text = "search-changed" }
@entry.signal_connect("next-match") { label.text = "next-match" }
@entry.signal_connect("previous-match") { label.text = "previous-match" }
@entry.signal_connect("stop-search") { label.text = "stop-search" }
end
end
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