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gtk-demo: Avoid a sort model in the settings demo

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This shows how to use a GtkSorter with GListStore.
This commit is contained in:
Matthias Clasen
2020-07-03 00:35:59 -04:00
parent 6b7d295cfe
commit 011c0e5fa8
1 changed files with 42 additions and 6 deletions
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48
demos/gtk-demo/listview_settings.c
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@@ -201,6 +201,46 @@ strvcmp (gconstpointer p1,
static GtkFilter *current_filter;
static int
compare_by_sorter (gconstpointer a,
gconstpointer b,
gpointer data)
{
return gtk_sorter_compare (GTK_SORTER (data), (gpointer)a, (gpointer)b);
}
static void
resort (GListStore *store)
{
GtkSorter *sorter;
g_signal_handlers_block_by_func (store, resort, NULL);
sorter = GTK_SORTER (g_object_get_data (G_OBJECT (store), "sorter"));
g_list_store_sort (store, compare_by_sorter, sorter);
g_signal_handlers_unblock_by_func (store, resort, NULL);
}
static void
sorter_changed (GtkSorter *sorter,
int change,
GListStore *store)
{
if (gtk_sorter_get_order (sorter) != GTK_SORTER_ORDER_NONE)
resort (store);
}
static void
gtk_list_store_set_sorter (GListStore *store,
GtkSorter *sorter)
{
g_object_set_data_full (G_OBJECT (store), "sorter", g_object_ref (sorter), g_object_unref );
g_signal_connect (store, "items-changed", G_CALLBACK (resort), NULL);
g_signal_connect (sorter, "changed", G_CALLBACK (sorter_changed), store);
resort (store);
}
static gboolean
transform_settings_to_keys (GBinding *binding,
const GValue *from_value,
@@ -211,7 +251,6 @@ transform_settings_to_keys (GBinding *binding,
GSettings *settings;
GSettingsSchema *schema;
GListStore *store;
GtkSortListModel *sort_model;
GtkFilterListModel *filter_model;
GtkFilter *filter;
GtkNoSelection *selection_model;
@@ -242,16 +281,13 @@ transform_settings_to_keys (GBinding *binding,
g_settings_schema_unref (schema);
g_object_unref (settings);
sort_model = gtk_sort_list_model_new (G_LIST_MODEL (store),
gtk_column_view_get_sorter (GTK_COLUMN_VIEW (data)));
g_object_unref (store);
gtk_list_store_set_sorter (store, gtk_column_view_get_sorter (GTK_COLUMN_VIEW (data)));
expression = gtk_property_expression_new (SETTINGS_TYPE_KEY, NULL, "name");
filter = gtk_string_filter_new ();
gtk_string_filter_set_expression (GTK_STRING_FILTER (filter), expression);
filter_model = gtk_filter_list_model_new (G_LIST_MODEL (sort_model), filter);
filter_model = gtk_filter_list_model_new (G_LIST_MODEL (store), filter);
gtk_expression_unref (expression);
g_object_unref (sort_model);
g_set_object (&current_filter, filter);