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=begin
tree_combo.rb - Gtk::TreeView and Gtk::CellRendererCombo
sample script.
Copyright (C) 2006-2015 Masao Mutoh
Copyright (c) 2006-2015 Ruby-GNOME2 Project Team
This program is licenced under the same licence as Ruby-GNOME2.
=end
require "gtk3"
T_APPLICATION = 0
T_COMBO_TEXT_COLUMN = 1
T_COMBO_MODEL = 2
T_COMBO_HAS_ENTRY = 3
T_COMBO_EDITABLE = 4
T_COMBO_TEXT = 5
# The COMPUTER combo model
combo_model = Gtk::ListStore.new(String)
%w(Ruby Perl Python Java).each do |v|
iter = combo_model.append
iter[0] = v
end
# The table model.
model = Gtk::ListStore.new(String, # T_APPLICATION
Integer, # T_COMBO_TEXT_COLUMN
Gtk::ListStore, # T_COMBO_MODEL
TrueClass, # T_COMBO_HAS_ENTRY
TrueClass, # T_COMBO_EDITABLE
String) # T_COMBO_TEXT
view = Gtk::TreeView.new(model)
# 1st column(Text)
trenderer = Gtk::CellRendererText.new
tcol = Gtk::TreeViewColumn.new("Application", trenderer,
:text => T_APPLICATION)
view.append_column(tcol)
# 2nd column(Combo)
crenderer = Gtk::CellRendererCombo.new
crenderer.signal_connect("edited") do |_renderer, path, text|
model.get_iter(path)[T_COMBO_TEXT] = text
end
ccol = Gtk::TreeViewColumn.new("Language", crenderer,
:text_column => T_COMBO_TEXT_COLUMN,
:model => T_COMBO_MODEL,
:has_entry => T_COMBO_HAS_ENTRY,
:editable => T_COMBO_EDITABLE,
:text => T_COMBO_TEXT)
view.append_column(ccol)
# Create rows.
(1..2).each do |v|
iter = model.append
iter[T_APPLICATION] = "application #{v}"
iter[T_COMBO_MODEL] = combo_model
iter[T_COMBO_HAS_ENTRY] = false
iter[T_COMBO_EDITABLE] = true
iter[T_COMBO_TEXT] = combo_model.get_iter("0")[0]
end
win = Gtk::Window.new
win.signal_connect("delete_event") { Gtk.main_quit }
win.add(view)
win.show_all
Gtk.main
|
