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# Copyright (c) 2003-2005 Ruby-GNOME2 Project Team
# This program is licenced under the same licence as Ruby-GNOME2.
#
# $Id: list_store.rb,v 1.5 2005/02/06 18:25:13 kzys Exp $
=begin
= Tree View/List Store
The Gtk::ListStore is used to store data in list form, to be used
later on by a Gtk::TreeView to display it. This demo builds a
simple Gtk::ListStore and displays it. See the Stock Browser
demo for a more advanced example.
=end
require 'common'
module Demo
class ListStore < BasicWindow
Bug = Struct.new('Bug', :fixed, :number, :severity, :description)
COLUMN_FIXED, COLUMN_NUMBER, COLUMN_SEVERITY, COLUMN_DESCRIPTION,
NUM_COLUMNS = *(0..5).to_a
DATA = [
[ false, 60482, 'Normal', 'scrollable notebooks and hidden tabs' ],
[ false, 60620, 'Critical', 'gdk_window_clear_area (gdkwindow-win32.c) is not thread-safe' ],
[ false, 50214, 'Major', 'Xft support does not clean up correctly' ],
[ true, 52877, 'Major', 'GtkFileSelection needs a refresh method. ' ],
[ false, 56070, 'Normal', "Can't click button after setting in sensitive" ],
[ true, 56355, 'Normal', 'GtkLabel - Not all changes propagate correctly' ],
[ false, 50055, 'Normal', 'Rework width/height computations for TreeView' ],
[ false, 58278, 'Normal', "gtk_dialog_set_response_sensitive doesn't work" ],
[ false, 55767, 'Normal', 'Getters for all setters' ],
[ false, 56925, 'Normal', 'Gtkcalender size' ],
[ false, 56221, 'Normal', 'Selectable label needs right-click copy menu' ],
[ true, 50939, 'Normal', 'Add shift clicking to GtkTextView' ],
[ false, 6112, 'Enhancement','netscape-like collapsable toolbars' ],
[ false, 1, 'Normal', 'First bug :=)' ],
].collect do |ary|
Bug.new(*ary)
end
def initialize
super('GtkListStore demo')
self.border_width = 8
vbox = Gtk::VBox.new(false, 8)
add(vbox)
label = Gtk::Label.new('This is the bug list (note: not based on real data, it would be nice to have a nice ODBC interface to bugzilla or so, though).')
vbox.pack_start(label, false, false, 0)
sw = Gtk::ScrolledWindow.new(nil, nil)
sw.shadow_type = Gtk::SHADOW_ETCHED_IN
sw.set_policy(Gtk::POLICY_NEVER, Gtk::POLICY_AUTOMATIC)
vbox.pack_start(sw, true, true, 0)
# create tree model
model = create_model
# create tree view
treeview = Gtk::TreeView.new(model)
treeview.rules_hint = true
treeview.search_column = COLUMN_DESCRIPTION
sw.add(treeview)
# add columns to the tree view
add_columns(treeview)
set_default_size(280, 250)
end
def create_model
# create list store
store = Gtk::ListStore.new(TrueClass, Integer, String, String)
# add data to the list store
DATA.each do |bug|
iter = store.append
bug.each_with_index do |value, index|
iter[index] = value
end
end
return store
end
def add_columns(treeview)
# column for fixed toggles
renderer = Gtk::CellRendererToggle.new
renderer.signal_connect('toggled') do |cell, path|
fixed_toggled(treeview.model, path)
end
column = Gtk::TreeViewColumn.new('Fixed?',
renderer,
'active' => COLUMN_FIXED)
# set this column to a fixed sizing (of 50 pixels)
column.sizing = Gtk::TreeViewColumn::FIXED
column.fixed_width = 50
treeview.append_column(column)
# column for bug numbers
renderer = Gtk::CellRendererText.new
column = Gtk::TreeViewColumn.new('Bug number',
renderer,
'text' => COLUMN_NUMBER)
column.set_sort_column_id(COLUMN_NUMBER)
treeview.append_column(column)
# column for severities
renderer = Gtk::CellRendererText.new
column = Gtk::TreeViewColumn.new('Severity',
renderer,
'text' => COLUMN_SEVERITY)
column.set_sort_column_id(COLUMN_SEVERITY)
treeview.append_column(column)
# column for description
renderer = Gtk::CellRendererText.new
column = Gtk::TreeViewColumn.new('Description',
renderer,
'text' => COLUMN_DESCRIPTION)
column.set_sort_column_id(COLUMN_DESCRIPTION)
treeview.append_column(column)
end
def fixed_toggled(model, path_str)
path = Gtk::TreePath.new(path_str)
# get toggled iter
iter = model.get_iter(path)
fixed =iter[COLUMN_FIXED]
# do something with the value
fixed ^= 1
# set new value
iter[COLUMN_FIXED] = fixed
end
end
end
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