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Re: Sortable table using Gtk2 in UI application

by zentara (Archbishop)
on Sep 30, 2011 at 15:17 UTC ( #928831=note: print w/ replies, xml ) Need Help??


in reply to Sortable table using Gtk2 in UI application

Choroba's advice is the easiest. But if you want an example of sorting the Treeview, here is one. Setting up Gtk2 is complicated.

#! /usr/bin/perl use warnings; use strict; use Gtk2 '-init'; use Glib qw/TRUE FALSE/; #standard window creation, placement, and signal connecting my $window = Gtk2::Window->new('toplevel'); $window->signal_connect('delete_event' => sub { Gtk2->main_quit; }); $window->set_border_width(5); $window->set_position('center_always'); #this vbox will geturn the bulk of the gui my $vbox = &ret_vbox(); #add and show the vbox $window->add($vbox); $window->show(); #our main event-loop Gtk2->main(); sub ret_vbox { my $vbox = Gtk2::VBox->new(FALSE,5); #create a scrolled window that will host the treeview my $sw = Gtk2::ScrolledWindow->new (undef, undef); $sw->set_shadow_type ('etched-out'); $sw->set_policy ('automatic', 'automatic'); #This is a method of the Gtk2::Widget class,it will force a minimum #size on the widget. Handy to give intitial size to a #Gtk2::ScrolledWindow class object $sw->set_size_request (300, 300); #method of Gtk2::Container $sw->set_border_width(5); #this is one of the provided base Gtk2::TreeModel classes. my $tree_store = Gtk2::TreeStore->new(qw/Glib::String/); #fill it with arbitry data my @data = qw(q e r g x u b k p a v ); foreach (@data) { my $parent_nr = $_; #the iter is a pointer in the treestore. We #use to add data. my $iter = $tree_store->append(undef); $tree_store->set ($iter,0 => "Parent $parent_nr"); foreach (1..3){ #here we append child iters to the parent iter #and add data to those chils iters. my $iter_child = $tree_store->append($iter); $tree_store->set ($iter_child,0 => "Child $_ of Parent $parent_nr"); } } #this will create a treeview, specify $tree_store as its model my $tree_view = Gtk2::TreeView->new($tree_store); #create a Gtk2::TreeViewColumn to add to $tree_view my $tree_column = Gtk2::TreeViewColumn->new(); $tree_column->set_title ("Click to sort"); #create a renderer that will be used to display info #in the model my $renderer = Gtk2::CellRendererText->new; #add this renderer to $tree_column. This works like a Gtk2::Hbox # so you can add more than one renderer to $tree_column $tree_column->pack_start ($renderer, FALSE); # set the cell "text" attribute to column 0 #- retrieve text from that column in treestore # Thus, the "text" attribute's value will depend on the row's value # of column 0 in the model($treestore), # and this will be displayed by $renderer, # which is a text renderer $tree_column->add_attribute($renderer, text => 0); #add $tree_column to the treeview $tree_view->append_column ($tree_column); # make it searchable $tree_view->set_search_column(0); # Allow sorting on the column $tree_column->set_sort_column_id(0); # Allow drag and drop reordering of rows $tree_view->set_reorderable(TRUE); $sw->add($tree_view); $vbox->pack_start($sw,TRUE,TRUE,0); $vbox->show_all(); return $vbox; }

I'm not really a human, but I play one on earth.
Old Perl Programmer Haiku ................... flash japh


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