Incorrect columns edit example

gtk-test.rb

#!/usr/bin/env ruby
# frozen_string_literal: true
#
require 'gtk2'

Gtk.init
@window = Gtk::Window.new( Gtk::Window::TOPLEVEL )
@window.set_size_request( 1500, 500 )
@window.signal_connect( "delete_event" ) { Gtk.main_quit }
#@window.set_border_width( 5 )
#@window.set_title( "Video searcher" );

vbox2 = Gtk::VBox.new( false, 0 )
scroller = Gtk::ScrolledWindow.new
scroller.set_policy( Gtk::POLICY_AUTOMATIC, Gtk::POLICY_AUTOMATIC )
@window.add( vbox2 )
vbox2.pack_start( scroller, true, true, 0 )

# Create the TreeStore with columns
model = Gtk::TreeStore.new(String, String, String)

# Create the TreeView adding the TreeStore
tree = Gtk::TreeView.new( model )

# Create the renderer and set properties
render = Gtk::CellRendererText.new

edit_render1 = Gtk::CellRendererText.new
edit_render1.editable = true
edit_render1.signal_connect('edited') do |renderer, val, var|
  iter = model.get_iter(val)
  warn "1 #{iter[0]}: #{iter[1]},#{iter[2]}"
  iter[1] = var
end

edit_render2 = Gtk::CellRendererText.new
edit_render2.editable = true
edit_render2.signal_connect('edited') do |renderer, val, var|
  iter = model.get_iter(val)
  warn "2 #{iter[0]}: #{iter[1]},#{iter[2]}"
  iter[2] = var
end

# Create the columns
c1 = Gtk::TreeViewColumn.new( "Title", render, {:text => 0} )
c1.resizable = true
c1.max_width = 300
c2 = Gtk::TreeViewColumn.new( "tst1", edit_render1, {:text => 1} )
c2.resizable = true
c3 = Gtk::TreeViewColumn.new( "tst2", edit_render2, {:text => 1} )
c3.resizable = true
# append the columns to treeview
tree.append_column( c1 )
tree.append_column( c2 )
tree.append_column( c3 )

# add the treeview to the scroller
scroller.add( tree )

#build_tree( tree, model )
root = model.append( nil )
root[0] = "ROOT"
root[1] = "-"
root[2] = "-"
[1,2,3,4].each{ |i|
  val=model.append(root)
  val.set_value(0,i.to_s)
  val.set_value(1,i.to_s)
  val.set_value(2,(i+10).to_s)
  #add_tree(val,model,1,"#{i} test")
}

@window.show_all
Gtk.main