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gtk-demo: Add incremental filtering to words demo

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This commit is contained in:
Benjamin Otte 2020-06-30 04:03:07 +02:00
parent 9b2d8ac362
commit b64eb6ca13
1 changed files with 16 additions and 9 deletions
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25
demos/gtk-demo/listview_words.c
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@ -27,16 +27,21 @@ const char *factory_text =
"</interface>\n";
static void
update_title_cb (GListModel *model,
guint position,
guint removed,
guint added,
GtkWindow *win)
update_title_cb (GtkFilterListModel *model)
{
char *title;
guint pending;
title = g_strdup_printf ("%u Words\n", g_list_model_get_n_items (model));
gtk_window_set_title (win, title);
pending = gtk_filter_list_model_get_pending (model);
if (pending)
{
guint total = g_list_model_get_n_items (gtk_filter_list_model_get_model (model));
title = g_strdup_printf ("%u Words (%u%% done)", g_list_model_get_n_items (G_LIST_MODEL (model)),
(total - pending) * 100 / total);
}
else
title = g_strdup_printf ("%u Words\n", g_list_model_get_n_items (G_LIST_MODEL (model)));
gtk_window_set_title (GTK_WINDOW (window), title);
g_free (title);
}
@ -70,6 +75,7 @@ do_listview_words (GtkWidget *do_widget)
gtk_string_filter_set_expression (GTK_STRING_FILTER (filter), expression);
gtk_expression_unref (expression);
filter_model = gtk_filter_list_model_new (G_LIST_MODEL (stringlist), filter);
gtk_filter_list_model_set_incremental (filter_model, TRUE);
window = gtk_window_new ();
gtk_window_set_title (GTK_WINDOW (window), "Words");
@ -97,8 +103,9 @@ do_listview_words (GtkWidget *do_widget)
gtk_scrolled_window_set_child (GTK_SCROLLED_WINDOW (sw), listview);
gtk_list_view_set_model (GTK_LIST_VIEW (listview), G_LIST_MODEL (filter_model));
g_signal_connect (filter_model, "items-changed", G_CALLBACK (update_title_cb), window);
update_title_cb (G_LIST_MODEL (filter_model), 0, 0, 0, GTK_WINDOW (window));
g_signal_connect (filter_model, "items-changed", G_CALLBACK (update_title_cb), NULL);
g_signal_connect (filter_model, "notify::pending", G_CALLBACK (update_title_cb), NULL);
update_title_cb (filter_model);
g_object_unref (filter_model);
}