Add a test for g_list_box_bind_model
This commit is contained in:
Matthias Clasen
220
tests/listmodel.c
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220
tests/listmodel.c
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#include <gtk/gtk.h>
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enum
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{
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PROP_LABEL = 1,
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PROP_ID,
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LAST_PROPERTY
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};
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static GParamSpec *properties[LAST_PROPERTY] = { NULL, };
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typedef struct
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{
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GObject parent;
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gchar *label;
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gint id;
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} MyObject;
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typedef struct
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{
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GObjectClass parent_class;
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} MyObjectClass;
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G_DEFINE_TYPE (MyObject, my_object, G_TYPE_OBJECT)
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static void
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my_object_init (MyObject *obj)
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{
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}
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static void
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my_object_get_property (GObject *object,
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guint property_id,
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GValue *value,
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GParamSpec *pspec)
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{
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MyObject *obj = (MyObject *)object;
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switch (property_id)
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{
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case PROP_LABEL:
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g_value_set_string (value, obj->label);
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break;
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case PROP_ID:
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g_value_set_int (value, obj->id);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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my_object_set_property (GObject *object,
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guint property_id,
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const GValue *value,
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GParamSpec *pspec)
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{
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MyObject *obj = (MyObject *)object;
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switch (property_id)
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{
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case PROP_LABEL:
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g_free (obj->label);
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obj->label = g_value_dup_string (value);
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break;
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case PROP_ID:
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obj->id = g_value_get_int (value);
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break;
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default:
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G_OBJECT_WARN_INVALID_PROPERTY_ID (object, property_id, pspec);
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break;
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}
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}
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static void
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my_object_finalize (GObject *obj)
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{
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MyObject *object = (MyObject *)obj;
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g_free (object->label);
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G_OBJECT_CLASS (my_object_parent_class)->finalize (obj);
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}
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static void
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my_object_class_init (MyObjectClass *class)
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{
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GObjectClass *object_class = G_OBJECT_CLASS (class);
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object_class->get_property = my_object_get_property;
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object_class->set_property = my_object_set_property;
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object_class->finalize = my_object_finalize;
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properties[PROP_LABEL] = g_param_spec_string ("label", "label", "label",
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NULL, G_PARAM_READWRITE);
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properties[PROP_ID] = g_param_spec_int ("id", "id", "id",
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0, G_MAXINT, 0, G_PARAM_READWRITE);
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g_object_class_install_properties (object_class, LAST_PROPERTY, properties);
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}
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static GtkWidget *
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create_widget (gpointer item,
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gpointer user_data)
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{
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MyObject *obj = (MyObject *)item;
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GtkWidget *label;
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label = gtk_label_new ("");
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g_object_bind_property (obj, "label", label, "label", G_BINDING_SYNC_CREATE);
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return label;
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}
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static gint
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compare_items (gconstpointer a, gconstpointer b, gpointer data)
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{
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gint id_a, id_b;
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g_object_get ((gpointer)a, "id", &id_a, NULL);
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g_object_get ((gpointer)b, "id", &id_b, NULL);
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return id_a - id_b;
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}
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static void
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add_some (GtkButton *button, GListStore *store)
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{
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gint n, i;
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guint n_items;
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GObject *obj;
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gchar *label;
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for (n = 0; n < 50; n++)
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{
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n_items = g_list_model_get_n_items (G_LIST_MODEL (store));
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i = g_random_int_range (0, MAX (2 * n_items, 1));
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label = g_strdup_printf ("Added %d", i);
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obj = g_object_new (my_object_get_type (),
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"id", i,
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"label", label,
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NULL);
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g_list_store_insert_sorted (store, obj, compare_items, NULL);
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g_object_unref (obj);
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g_free (label);
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}
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}
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static void
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remove_some (GtkButton *button, GListStore *store)
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{
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gint n, i;
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guint n_items;
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for (n = 0; n < 50; n++)
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{
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n_items = g_list_model_get_n_items (G_LIST_MODEL (store));
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if (n_items == 0)
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return;
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i = g_random_int_range (0, n_items);
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g_list_store_remove (store, i);
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}
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}
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int
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main (int argc, char *argv[])
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{
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GtkWidget *window, *grid, *sw, *list, *button;
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GListStore *store;
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gint i;
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gtk_init (NULL, NULL);
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window = gtk_window_new (GTK_WINDOW_TOPLEVEL);
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grid = gtk_grid_new ();
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gtk_container_add (GTK_CONTAINER (window), grid);
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sw = gtk_scrolled_window_new (NULL, NULL);
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gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
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GTK_POLICY_AUTOMATIC,
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GTK_POLICY_AUTOMATIC);
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gtk_widget_set_hexpand (sw, TRUE);
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gtk_widget_set_vexpand (sw, TRUE);
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gtk_grid_attach (GTK_GRID (grid), sw, 0, 0, 1, 1);
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store = g_list_store_new (my_object_get_type ());
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for (i = 0; i < 100; i++)
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{
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MyObject *obj;
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gchar *label;
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label = g_strdup_printf ("item %d", i);
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obj = g_object_new (my_object_get_type (),
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"id", i,
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"label", label,
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NULL);
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g_list_store_append (store, obj);
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g_free (label);
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g_object_unref (obj);
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}
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list = gtk_list_box_new ();
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gtk_list_box_bind_model (GTK_LIST_BOX (list), G_LIST_MODEL (store), create_widget, NULL, NULL);
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gtk_container_add (GTK_CONTAINER (sw), list);
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button = gtk_button_new_with_label ("Add some");
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g_signal_connect (button, "clicked", G_CALLBACK (add_some), store);
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gtk_grid_attach (GTK_GRID (grid), button, 0, 1, 1, 1);
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button = gtk_button_new_with_label ("Remove some");
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g_signal_connect (button, "clicked", G_CALLBACK (remove_some), store);
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gtk_grid_attach (GTK_GRID (grid), button, 0, 2, 1, 1);
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gtk_widget_show_all (window);
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gtk_main ();
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return 0;
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}
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