sortlistmodel: Add ::item-type and ::n-items

With tests!
This commit is contained in:
Benjamin Otte 2022-06-11 04:48:45 +02:00
parent cbc3d3f3ec
commit bf8b26aa27
3 changed files with 88 additions and 11 deletions

View File

@ -79,7 +79,9 @@
enum {
PROP_0,
PROP_INCREMENTAL,
PROP_ITEM_TYPE,
PROP_MODEL,
PROP_N_ITEMS,
PROP_PENDING,
PROP_SORTER,
NUM_PROPERTIES
@ -580,6 +582,8 @@ gtk_sort_list_model_items_changed_cb (GListModel *model,
{
self->n_items = self->n_items - removed + added;
g_list_model_items_changed (G_LIST_MODEL (self), position, removed, added);
if (removed != added)
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_N_ITEMS]);
return;
}
@ -620,6 +624,8 @@ gtk_sort_list_model_items_changed_cb (GListModel *model,
n_items = self->n_items - start - end;
g_list_model_items_changed (G_LIST_MODEL (self), start, n_items - added + removed, n_items);
if (removed != added)
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_N_ITEMS]);
}
static void
@ -664,10 +670,18 @@ gtk_sort_list_model_get_property (GObject *object,
g_value_set_boolean (value, self->incremental);
break;
case PROP_ITEM_TYPE:
g_value_set_gtype (value, gtk_sort_list_model_get_item_type (G_LIST_MODEL (self)));
break;
case PROP_MODEL:
g_value_set_object (value, self->model);
break;
case PROP_N_ITEMS:
g_value_set_uint (value, gtk_sort_list_model_get_n_items (G_LIST_MODEL (self)));
break;
case PROP_PENDING:
g_value_set_uint (value, gtk_sort_list_model_get_pending (self));
break;
@ -788,6 +802,18 @@ gtk_sort_list_model_class_init (GtkSortListModelClass *class)
FALSE,
GTK_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
/**
* GtkSortListModel:item-type:
*
* The type of items. See [method@Gio.ListModel.get_item_type].
*
* Since: 4.8
**/
properties[PROP_ITEM_TYPE] =
g_param_spec_gtype ("item-type", NULL, NULL,
G_TYPE_OBJECT,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* GtkSortListModel:model: (attributes org.gtk.Property.get=gtk_sort_list_model_get_model org.gtk.Property.set=gtk_sort_list_model_set_model)
*
@ -798,6 +824,18 @@ gtk_sort_list_model_class_init (GtkSortListModelClass *class)
G_TYPE_LIST_MODEL,
GTK_PARAM_READWRITE | G_PARAM_EXPLICIT_NOTIFY);
/**
* GtkSortListModel:n-items:
*
* The number of items. See [method@Gio.ListModel.get_n_items].
*
* Since: 4.8
**/
properties[PROP_N_ITEMS] =
g_param_spec_uint ("n-items", NULL, NULL,
0, G_MAXUINT, 0,
G_PARAM_READABLE | G_PARAM_STATIC_STRINGS);
/**
* GtkSortListModel:pending: (attributes org.gtk.Property.get=gtk_sort_list_model_get_pending)
*
@ -898,6 +936,8 @@ gtk_sort_list_model_set_model (GtkSortListModel *self,
if (removed > 0 || self->n_items > 0)
g_list_model_items_changed (G_LIST_MODEL (self), 0, removed, self->n_items);
if (removed != self->n_items)
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_N_ITEMS]);
g_object_notify_by_pspec (G_OBJECT (self), properties[PROP_MODEL]);
}

View File

@ -84,9 +84,12 @@ assert_items_changed_correctly (GListModel *model,
{
guint i, n_items;
//sanity check that we got all notifies
g_assert_cmpuint (g_list_model_get_n_items (compare), ==, GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (compare), "last-notified-n-items")));
//g_print ("%s => %u -%u +%u => %s\n", model_to_string (compare), position, removed, added, model_to_string (model));
g_assert_cmpint (g_list_model_get_n_items (model), ==, g_list_model_get_n_items (compare) - removed + added);
g_assert_cmpuint (g_list_model_get_n_items (model), ==, g_list_model_get_n_items (compare) - removed + added);
n_items = g_list_model_get_n_items (model);
if (position != 0 || removed != n_items)
@ -139,6 +142,21 @@ assert_items_changed_correctly (GListModel *model,
}
}
static void
assert_n_items_notified_properly (GListModel *model,
GParamSpec *pspec,
GListModel *compare)
{
g_assert_cmpuint (g_list_model_get_n_items (model), !=, GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (compare), "last-notified-n-items")));
/* These should hve been updated in items-changed, which should have been emitted first */
g_assert_cmpuint (g_list_model_get_n_items (model), ==, g_list_model_get_n_items (compare));
g_object_set_data (G_OBJECT (compare),
"last-notified-n-items",
GUINT_TO_POINTER (g_list_model_get_n_items (model)));
}
static GtkSortListModel *
sort_list_model_new (GListModel *source,
GtkSorter *sorter)
@ -162,6 +180,16 @@ sort_list_model_new (GListModel *source,
(GClosureNotify) g_object_unref,
0);
g_object_set_data (G_OBJECT (check),
"last-notified-n-items",
GUINT_TO_POINTER (g_list_model_get_n_items (G_LIST_MODEL (check))));
g_signal_connect_data (model,
"notify::n-items",
G_CALLBACK (assert_n_items_notified_properly),
g_object_ref (check),
(GClosureNotify) g_object_unref,
0);
return model;
}

View File

@ -176,6 +176,14 @@ items_changed (GListModel *model,
}
}
static void
notify_n_items (GObject *object,
GParamSpec *pspec,
GString *changes)
{
g_string_append_c (changes, '*');
}
static void
free_changes (gpointer data)
{
@ -228,6 +236,7 @@ new_model (gpointer model)
changes = g_string_new ("");
g_object_set_qdata_full (G_OBJECT(result), changes_quark, changes, free_changes);
g_signal_connect (result, "items-changed", G_CALLBACK (items_changed), changes);
g_signal_connect (result, "notify::n-items", G_CALLBACK (notify_n_items), changes);
return result;
}
@ -275,11 +284,11 @@ test_set_model (void)
store = new_store ((guint[]) { 4, 8, 2, 6, 10, 0 });
gtk_sort_list_model_set_model (sort, G_LIST_MODEL (store));
assert_model (sort, "4 8 2 6 10");
assert_changes (sort, "0+5");
assert_changes (sort, "0+5*");
gtk_sort_list_model_set_model (sort, NULL);
assert_model (sort, "");
assert_changes (sort, "0-5");
assert_changes (sort, "0-5*");
g_object_unref (sort);
@ -290,11 +299,11 @@ test_set_model (void)
gtk_sort_list_model_set_model (sort, NULL);
assert_model (sort, "");
assert_changes (sort, "0-5");
assert_changes (sort, "0-5*");
gtk_sort_list_model_set_model (sort, G_LIST_MODEL (store));
assert_model (sort, "2 4 6 8 10");
assert_changes (sort, "0+5");
assert_changes (sort, "0+5*");
g_object_unref (store);
g_object_unref (sort);
@ -345,7 +354,7 @@ test_add_items (void)
assert_changes (sort, "");
splice (store, 4, 0, (guint[]) { 1, 2 }, 2);
assert_model (sort, "1 2 49 50 51 99 100");
assert_changes (sort, "0+2");
assert_changes (sort, "0+2*");
g_object_unref (store);
g_object_unref (sort);
@ -356,7 +365,7 @@ test_add_items (void)
assert_changes (sort, "");
splice (store, 2, 0, (guint[]) { 49, 50, 51 }, 3);
assert_model (sort, "1 2 49 50 51 99 100");
assert_changes (sort, "2+3");
assert_changes (sort, "2+3*");
g_object_unref (store);
g_object_unref (sort);
@ -367,7 +376,7 @@ test_add_items (void)
assert_changes (sort, "");
splice (store, 1, 0, (guint[]) { 99, 100 }, 2);
assert_model (sort, "1 2 49 50 51 99 100");
assert_changes (sort, "5+2");
assert_changes (sort, "5+2*");
g_object_unref (store);
g_object_unref (sort);
}
@ -385,7 +394,7 @@ test_remove_items (void)
assert_changes (sort, "");
splice (store, 4, 2, NULL, 0);
assert_model (sort, "49 50 51 99 100");
assert_changes (sort, "0-2");
assert_changes (sort, "0-2*");
g_object_unref (store);
g_object_unref (sort);
@ -396,7 +405,7 @@ test_remove_items (void)
assert_changes (sort, "");
splice (store, 2, 3, NULL, 0);
assert_model (sort, "1 2 99 100");
assert_changes (sort, "2-3");
assert_changes (sort, "2-3*");
g_object_unref (store);
g_object_unref (sort);
@ -407,7 +416,7 @@ test_remove_items (void)
assert_changes (sort, "");
splice (store, 1, 2, NULL, 0);
assert_model (sort, "1 2 49 50 51");
assert_changes (sort, "5-2");
assert_changes (sort, "5-2*");
g_object_unref (store);
g_object_unref (sort);
}