diff options
Diffstat (limited to 'clients/tui/nmt-widget-list.c')
| -rw-r--r-- | clients/tui/nmt-widget-list.c | 650 |
1 files changed, 328 insertions, 322 deletions
diff --git a/clients/tui/nmt-widget-list.c b/clients/tui/nmt-widget-list.c index df68b95a..35dc8b12 100644 --- a/clients/tui/nmt-widget-list.c +++ b/clients/tui/nmt-widget-list.c @@ -1,4 +1,4 @@ -// SPDX-License-Identifier: GPL-2.0+ +/* SPDX-License-Identifier: GPL-2.0+ */ /* * Copyright (C) 2013 Red Hat, Inc. */ @@ -27,48 +27,49 @@ #include "nmt-newt.h" -G_DEFINE_TYPE (NmtWidgetList, nmt_widget_list, NMT_TYPE_NEWT_GRID) +G_DEFINE_TYPE(NmtWidgetList, nmt_widget_list, NMT_TYPE_NEWT_GRID) -#define NMT_WIDGET_LIST_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), NMT_TYPE_WIDGET_LIST, NmtWidgetListPrivate)) +#define NMT_WIDGET_LIST_GET_PRIVATE(o) \ + (G_TYPE_INSTANCE_GET_PRIVATE((o), NMT_TYPE_WIDGET_LIST, NmtWidgetListPrivate)) typedef struct { - int length; + int length; - NmtWidgetListCallback create_callback; - gpointer user_data; - GDestroyNotify destroy_notify; + NmtWidgetListCallback create_callback; + gpointer user_data; + GDestroyNotify destroy_notify; - NmtNewtWidget *empty_widget; + NmtNewtWidget *empty_widget; - GPtrArray *widgets; - GPtrArray *remove_buttons; + GPtrArray *widgets; + GPtrArray *remove_buttons; - NmtNewtWidget *add_button; - GBinding *add_sensitivity; + NmtNewtWidget *add_button; + GBinding * add_sensitivity; } NmtWidgetListPrivate; enum { - PROP_0, - PROP_CREATE_CALLBACK, - PROP_USER_DATA, - PROP_DESTROY_NOTIFY, - PROP_EMPTY_WIDGET, - PROP_LENGTH, - - LAST_PROP + PROP_0, + PROP_CREATE_CALLBACK, + PROP_USER_DATA, + PROP_DESTROY_NOTIFY, + PROP_EMPTY_WIDGET, + PROP_LENGTH, + + LAST_PROP }; enum { - ADD_CLICKED, - REMOVE_CLICKED, + ADD_CLICKED, + REMOVE_CLICKED, - LAST_SIGNAL + LAST_SIGNAL }; -static guint signals[LAST_SIGNAL] = { 0 }; +static guint signals[LAST_SIGNAL] = {0}; -static void add_clicked (NmtNewtButton *button, gpointer user_data); -static void remove_clicked (NmtNewtButton *button, gpointer user_data); +static void add_clicked(NmtNewtButton *button, gpointer user_data); +static void remove_clicked(NmtNewtButton *button, gpointer user_data); /** * NmtWidgetListCallback: @@ -102,165 +103,168 @@ static void remove_clicked (NmtNewtButton *button, gpointer user_data); * Returns: a new #NmtWidgetList. */ NmtNewtWidget * -nmt_widget_list_new (NmtWidgetListCallback create_callback, - gpointer user_data, - GDestroyNotify destroy_notify, - NmtNewtWidget *empty_widget) +nmt_widget_list_new(NmtWidgetListCallback create_callback, + gpointer user_data, + GDestroyNotify destroy_notify, + NmtNewtWidget * empty_widget) { - return g_object_new (NMT_TYPE_WIDGET_LIST, - "create-callback", create_callback, - "user-data", user_data, - "destroy-notify", destroy_notify, - "empty-widget", empty_widget, - NULL); + return g_object_new(NMT_TYPE_WIDGET_LIST, + "create-callback", + create_callback, + "user-data", + user_data, + "destroy-notify", + destroy_notify, + "empty-widget", + empty_widget, + NULL); } static void -nmt_widget_list_init (NmtWidgetList *list) +nmt_widget_list_init(NmtWidgetList *list) { - NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE (list); + NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE(list); - priv->widgets = g_ptr_array_new (); - priv->remove_buttons = g_ptr_array_new (); + priv->widgets = g_ptr_array_new(); + priv->remove_buttons = g_ptr_array_new(); - priv->add_button = nmt_newt_button_new (_("Add...")); - g_signal_connect (priv->add_button, "clicked", - G_CALLBACK (add_clicked), list); - nmt_newt_grid_add (NMT_NEWT_GRID (list), priv->add_button, 0, 0); + priv->add_button = nmt_newt_button_new(_("Add...")); + g_signal_connect(priv->add_button, "clicked", G_CALLBACK(add_clicked), list); + nmt_newt_grid_add(NMT_NEWT_GRID(list), priv->add_button, 0, 0); } static void -nmt_widget_list_constructed (GObject *object) +nmt_widget_list_constructed(GObject *object) { - NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE (object); + NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE(object); - if (priv->length == 0 && priv->empty_widget) { - nmt_newt_widget_set_visible (priv->empty_widget, TRUE); - nmt_newt_grid_move (NMT_NEWT_GRID (object), priv->add_button, 0, 1); - } + if (priv->length == 0 && priv->empty_widget) { + nmt_newt_widget_set_visible(priv->empty_widget, TRUE); + nmt_newt_grid_move(NMT_NEWT_GRID(object), priv->add_button, 0, 1); + } - G_OBJECT_CLASS (nmt_widget_list_parent_class)->constructed (object); + G_OBJECT_CLASS(nmt_widget_list_parent_class)->constructed(object); } static void -nmt_widget_list_finalize (GObject *object) +nmt_widget_list_finalize(GObject *object) { - NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE (object); + NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE(object); - g_ptr_array_unref (priv->widgets); - g_ptr_array_unref (priv->remove_buttons); + g_ptr_array_unref(priv->widgets); + g_ptr_array_unref(priv->remove_buttons); - if (priv->user_data && priv->destroy_notify) - priv->destroy_notify (priv->user_data); + if (priv->user_data && priv->destroy_notify) + priv->destroy_notify(priv->user_data); - g_clear_object (&priv->empty_widget); + g_clear_object(&priv->empty_widget); - G_OBJECT_CLASS (nmt_widget_list_parent_class)->finalize (object); + G_OBJECT_CLASS(nmt_widget_list_parent_class)->finalize(object); } static void -ensure_widgets (NmtWidgetList *list) +ensure_widgets(NmtWidgetList *list) { - NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE (list); - NmtNewtWidget *widget, *button, *focus; - gboolean was_empty; - NmtNewtForm *form; - int i; - - was_empty = priv->widgets->len == 0; - - if (priv->length < priv->widgets->len) { - /* remove excess widgets */ - for (i = priv->length; i < priv->widgets->len; i++) { - nmt_newt_container_remove (NMT_NEWT_CONTAINER (list), priv->widgets->pdata[i]); - nmt_newt_container_remove (NMT_NEWT_CONTAINER (list), priv->remove_buttons->pdata[i]); - } - g_ptr_array_set_size (priv->widgets, priv->length); - g_ptr_array_set_size (priv->remove_buttons, priv->length); - - } else if (priv->length > priv->widgets->len) { - /* add new widgets */ - for (i = priv->widgets->len; i < priv->length; i++) { - widget = NMT_WIDGET_LIST_GET_CLASS (list)->create_widget (list, i); - - nmt_newt_grid_add (NMT_NEWT_GRID (list), widget, 0, i); - g_ptr_array_add (priv->widgets, widget); - - button = nmt_newt_button_new (_("Remove")); - g_signal_connect (button, "clicked", - G_CALLBACK (remove_clicked), list); - - nmt_newt_grid_add (NMT_NEWT_GRID (list), button, 1, i); - nmt_newt_widget_set_padding (button, 1, 0, 0, 0); - g_ptr_array_add (priv->remove_buttons, button); - } - - } else - return; - - if (priv->widgets->len == 0 && priv->empty_widget) { - nmt_newt_widget_set_visible (priv->empty_widget, TRUE); - nmt_newt_grid_move (NMT_NEWT_GRID (list), priv->add_button, 0, 1); - } else { - if (was_empty && priv->empty_widget) - nmt_newt_widget_set_visible (priv->empty_widget, FALSE); - nmt_newt_grid_move (NMT_NEWT_GRID (list), priv->add_button, 0, priv->length); - } - - form = nmt_newt_widget_get_form (NMT_NEWT_WIDGET (list)); - if (form) { - if (priv->widgets->len) { - if (was_empty) - focus = priv->widgets->pdata[0]; - else - focus = priv->widgets->pdata[priv->widgets->len - 1]; - } else - focus = priv->add_button; - nmt_newt_form_set_focus (form, focus); - } - - g_clear_object (&priv->add_sensitivity); - if (priv->widgets->len) { - widget = priv->widgets->pdata[priv->widgets->len - 1]; - priv->add_sensitivity = g_object_bind_property (widget, "valid", - priv->add_button, "sensitive", - G_BINDING_SYNC_CREATE); - g_object_add_weak_pointer (G_OBJECT (priv->add_sensitivity), - (gpointer *)&priv->add_sensitivity); - } else - nmt_newt_component_set_sensitive (NMT_NEWT_COMPONENT (priv->add_button), TRUE); + NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE(list); + NmtNewtWidget * widget, *button, *focus; + gboolean was_empty; + NmtNewtForm * form; + int i; + + was_empty = priv->widgets->len == 0; + + if (priv->length < priv->widgets->len) { + /* remove excess widgets */ + for (i = priv->length; i < priv->widgets->len; i++) { + nmt_newt_container_remove(NMT_NEWT_CONTAINER(list), priv->widgets->pdata[i]); + nmt_newt_container_remove(NMT_NEWT_CONTAINER(list), priv->remove_buttons->pdata[i]); + } + g_ptr_array_set_size(priv->widgets, priv->length); + g_ptr_array_set_size(priv->remove_buttons, priv->length); + + } else if (priv->length > priv->widgets->len) { + /* add new widgets */ + for (i = priv->widgets->len; i < priv->length; i++) { + widget = NMT_WIDGET_LIST_GET_CLASS(list)->create_widget(list, i); + + nmt_newt_grid_add(NMT_NEWT_GRID(list), widget, 0, i); + g_ptr_array_add(priv->widgets, widget); + + button = nmt_newt_button_new(_("Remove")); + g_signal_connect(button, "clicked", G_CALLBACK(remove_clicked), list); + + nmt_newt_grid_add(NMT_NEWT_GRID(list), button, 1, i); + nmt_newt_widget_set_padding(button, 1, 0, 0, 0); + g_ptr_array_add(priv->remove_buttons, button); + } + + } else + return; + + if (priv->widgets->len == 0 && priv->empty_widget) { + nmt_newt_widget_set_visible(priv->empty_widget, TRUE); + nmt_newt_grid_move(NMT_NEWT_GRID(list), priv->add_button, 0, 1); + } else { + if (was_empty && priv->empty_widget) + nmt_newt_widget_set_visible(priv->empty_widget, FALSE); + nmt_newt_grid_move(NMT_NEWT_GRID(list), priv->add_button, 0, priv->length); + } + + form = nmt_newt_widget_get_form(NMT_NEWT_WIDGET(list)); + if (form) { + if (priv->widgets->len) { + if (was_empty) + focus = priv->widgets->pdata[0]; + else + focus = priv->widgets->pdata[priv->widgets->len - 1]; + } else + focus = priv->add_button; + nmt_newt_form_set_focus(form, focus); + } + + g_clear_object(&priv->add_sensitivity); + if (priv->widgets->len) { + widget = priv->widgets->pdata[priv->widgets->len - 1]; + priv->add_sensitivity = g_object_bind_property(widget, + "valid", + priv->add_button, + "sensitive", + G_BINDING_SYNC_CREATE); + g_object_add_weak_pointer(G_OBJECT(priv->add_sensitivity), + (gpointer *) &priv->add_sensitivity); + } else + nmt_newt_component_set_sensitive(NMT_NEWT_COMPONENT(priv->add_button), TRUE); } static void -add_clicked (NmtNewtButton *button, gpointer list) +add_clicked(NmtNewtButton *button, gpointer list) { - g_signal_emit (G_OBJECT (list), signals[ADD_CLICKED], 0, NULL); + g_signal_emit(G_OBJECT(list), signals[ADD_CLICKED], 0, NULL); } static void -remove_clicked (NmtNewtButton *button, gpointer list) +remove_clicked(NmtNewtButton *button, gpointer list) { - NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE (list); - int i; + NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE(list); + int i; - for (i = 0; i < priv->remove_buttons->len; i++) { - if (priv->remove_buttons->pdata[i] == (gpointer)button) - break; - } - g_return_if_fail (i < priv->remove_buttons->len); + for (i = 0; i < priv->remove_buttons->len; i++) { + if (priv->remove_buttons->pdata[i] == (gpointer) button) + break; + } + g_return_if_fail(i < priv->remove_buttons->len); - g_signal_emit (G_OBJECT (list), signals[REMOVE_CLICKED], 0, i, NULL); + g_signal_emit(G_OBJECT(list), signals[REMOVE_CLICKED], 0, i, NULL); } static NmtNewtWidget * -nmt_widget_list_real_create_widget (NmtWidgetList *list, - int n) +nmt_widget_list_real_create_widget(NmtWidgetList *list, int n) { - NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE (list); + NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE(list); - g_return_val_if_fail (priv->create_callback != NULL, NULL); + g_return_val_if_fail(priv->create_callback != NULL, NULL); - return priv->create_callback (list, n, priv->user_data); + return priv->create_callback(list, n, priv->user_data); } /** @@ -272,11 +276,11 @@ nmt_widget_list_real_create_widget (NmtWidgetList *list, * Returns: the number of widgets in the list. */ int -nmt_widget_list_get_length (NmtWidgetList *list) +nmt_widget_list_get_length(NmtWidgetList *list) { - NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE (list); + NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE(list); - return priv->length; + return priv->length; } /** @@ -288,194 +292,196 @@ nmt_widget_list_get_length (NmtWidgetList *list) * deleted as necessary. */ void -nmt_widget_list_set_length (NmtWidgetList *list, - int length) +nmt_widget_list_set_length(NmtWidgetList *list, int length) { - NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE (list); + NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE(list); - if (priv->length != length) { - priv->length = length; - g_object_notify (G_OBJECT (list), "length"); - } + if (priv->length != length) { + priv->length = length; + g_object_notify(G_OBJECT(list), "length"); + } - ensure_widgets (list); + ensure_widgets(list); } static void -nmt_widget_list_set_property (GObject *object, - guint prop_id, - const GValue *value, - GParamSpec *pspec) +nmt_widget_list_set_property(GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { - NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE (object); - - switch (prop_id) { - case PROP_CREATE_CALLBACK: - priv->create_callback = g_value_get_pointer (value); - break; - case PROP_USER_DATA: - priv->user_data = g_value_get_pointer (value); - break; - case PROP_DESTROY_NOTIFY: - priv->destroy_notify = g_value_get_pointer (value); - break; - case PROP_LENGTH: - priv->length = g_value_get_int (value); - ensure_widgets (NMT_WIDGET_LIST (object)); - break; - case PROP_EMPTY_WIDGET: - priv->empty_widget = g_value_get_object (value); - if (priv->empty_widget) { - g_object_ref_sink (priv->empty_widget); - nmt_newt_grid_add (NMT_NEWT_GRID (object), priv->empty_widget, 0, 0); - } - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } + NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE(object); + + switch (prop_id) { + case PROP_CREATE_CALLBACK: + priv->create_callback = g_value_get_pointer(value); + break; + case PROP_USER_DATA: + priv->user_data = g_value_get_pointer(value); + break; + case PROP_DESTROY_NOTIFY: + priv->destroy_notify = g_value_get_pointer(value); + break; + case PROP_LENGTH: + priv->length = g_value_get_int(value); + ensure_widgets(NMT_WIDGET_LIST(object)); + break; + case PROP_EMPTY_WIDGET: + priv->empty_widget = g_value_get_object(value); + if (priv->empty_widget) { + g_object_ref_sink(priv->empty_widget); + nmt_newt_grid_add(NMT_NEWT_GRID(object), priv->empty_widget, 0, 0); + } + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); + break; + } } static void -nmt_widget_list_get_property (GObject *object, - guint prop_id, - GValue *value, - GParamSpec *pspec) +nmt_widget_list_get_property(GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { - NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE (object); - - switch (prop_id) { - case PROP_CREATE_CALLBACK: - g_value_set_pointer (value, priv->create_callback); - break; - case PROP_USER_DATA: - g_value_set_pointer (value, priv->user_data); - break; - case PROP_DESTROY_NOTIFY: - g_value_set_pointer (value, priv->destroy_notify); - break; - case PROP_LENGTH: - g_value_set_int (value, priv->length); - break; - case PROP_EMPTY_WIDGET: - g_value_set_object (value, priv->empty_widget); - break; - default: - G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); - break; - } + NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE(object); + + switch (prop_id) { + case PROP_CREATE_CALLBACK: + g_value_set_pointer(value, priv->create_callback); + break; + case PROP_USER_DATA: + g_value_set_pointer(value, priv->user_data); + break; + case PROP_DESTROY_NOTIFY: + g_value_set_pointer(value, priv->destroy_notify); + break; + case PROP_LENGTH: + g_value_set_int(value, priv->length); + break; + case PROP_EMPTY_WIDGET: + g_value_set_object(value, priv->empty_widget); + break; + default: + G_OBJECT_WARN_INVALID_PROPERTY_ID(object, prop_id, pspec); + break; + } } static void -nmt_widget_list_class_init (NmtWidgetListClass *list_class) +nmt_widget_list_class_init(NmtWidgetListClass *list_class) { - GObjectClass *object_class = G_OBJECT_CLASS (list_class); - - g_type_class_add_private (list_class, sizeof (NmtWidgetListPrivate)); - - /* virtual methods */ - object_class->constructed = nmt_widget_list_constructed; - object_class->set_property = nmt_widget_list_set_property; - object_class->get_property = nmt_widget_list_get_property; - object_class->finalize = nmt_widget_list_finalize; - - list_class->create_widget = nmt_widget_list_real_create_widget; - - /* signals */ - - /** - * NmtNewtWidget::add-clicked: - * @list: the #NmtNewtWidgetList - * - * Emitted when the user clicks the "Add" button. The caller can - * decide whether or not to add a new widget, and call - * nmt_widget_list_set_length() with the new length if so. - * - * FIXME: the "Add" button should be insensitive if it's - * not going to work. - */ - signals[ADD_CLICKED] = - g_signal_new ("add-clicked", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (NmtWidgetListClass, add_clicked), - NULL, NULL, NULL, - G_TYPE_NONE, 0); - /** - * NmtNewtWidget::remove-clicked: - * @list: the #NmtNewtWidgetList - * @n: the widget being removed - * - * Emitted when the user clicks one of the "Remove" buttons. The - * caller can decide whether or not to remove the widget, and - * call nmt_widget_list_set_length() with the new length if so. - * - * FIXME: the "Remove" button should be insensitive if it's not - * going to work. - */ - signals[REMOVE_CLICKED] = - g_signal_new ("remove-clicked", - G_OBJECT_CLASS_TYPE (object_class), - G_SIGNAL_RUN_FIRST, - G_STRUCT_OFFSET (NmtWidgetListClass, remove_clicked), - NULL, NULL, NULL, - G_TYPE_NONE, 1, G_TYPE_INT); - - /* properties */ - - /** - * NmtWidgetList:create-callback: - * - * Callback called to create a new widget. - */ - g_object_class_install_property - (object_class, PROP_CREATE_CALLBACK, - g_param_spec_pointer ("create-callback", "", "", - G_PARAM_READWRITE | - G_PARAM_STATIC_STRINGS)); - /** - * NmtWidgetList:user-data: - * - * User data for #NmtWidgetList:create-callback - */ - g_object_class_install_property - (object_class, PROP_USER_DATA, - g_param_spec_pointer ("user-data", "", "", - G_PARAM_READWRITE | - G_PARAM_STATIC_STRINGS)); - /** - * NmtWidgetList:destroy-notify: - * - * #GDestroyNotify for #NmtWidgetList:user-data - */ - g_object_class_install_property - (object_class, PROP_DESTROY_NOTIFY, - g_param_spec_pointer ("destroy-notify", "", "", - G_PARAM_READWRITE | - G_PARAM_STATIC_STRINGS)); - /** - * NmtWidgetList:length: - * - * The length of the widget list; changing this value will add or - * remove widgets from the list. - */ - g_object_class_install_property - (object_class, PROP_LENGTH, - g_param_spec_int ("length", "", "", - 0, G_MAXINT, 0, - G_PARAM_READWRITE | - G_PARAM_STATIC_STRINGS)); - /** - * NmtWidgetList:empty-widget: - * - * If non-%NULL, this widget will be displayed when there are - * no "real" widgets in the list. - */ - g_object_class_install_property - (object_class, PROP_EMPTY_WIDGET, - g_param_spec_object ("empty-widget", "", "", - NMT_TYPE_NEWT_WIDGET, - G_PARAM_READWRITE | - G_PARAM_CONSTRUCT_ONLY | - G_PARAM_STATIC_STRINGS)); + GObjectClass *object_class = G_OBJECT_CLASS(list_class); + + g_type_class_add_private(list_class, sizeof(NmtWidgetListPrivate)); + + /* virtual methods */ + object_class->constructed = nmt_widget_list_constructed; + object_class->set_property = nmt_widget_list_set_property; + object_class->get_property = nmt_widget_list_get_property; + object_class->finalize = nmt_widget_list_finalize; + + list_class->create_widget = nmt_widget_list_real_create_widget; + + /* signals */ + + /** + * NmtNewtWidget::add-clicked: + * @list: the #NmtNewtWidgetList + * + * Emitted when the user clicks the "Add" button. The caller can + * decide whether or not to add a new widget, and call + * nmt_widget_list_set_length() with the new length if so. + * + * FIXME: the "Add" button should be insensitive if it's + * not going to work. + */ + signals[ADD_CLICKED] = g_signal_new("add-clicked", + G_OBJECT_CLASS_TYPE(object_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET(NmtWidgetListClass, add_clicked), + NULL, + NULL, + NULL, + G_TYPE_NONE, + 0); + /** + * NmtNewtWidget::remove-clicked: + * @list: the #NmtNewtWidgetList + * @n: the widget being removed + * + * Emitted when the user clicks one of the "Remove" buttons. The + * caller can decide whether or not to remove the widget, and + * call nmt_widget_list_set_length() with the new length if so. + * + * FIXME: the "Remove" button should be insensitive if it's not + * going to work. + */ + signals[REMOVE_CLICKED] = g_signal_new("remove-clicked", + G_OBJECT_CLASS_TYPE(object_class), + G_SIGNAL_RUN_FIRST, + G_STRUCT_OFFSET(NmtWidgetListClass, remove_clicked), + NULL, + NULL, + NULL, + G_TYPE_NONE, + 1, + G_TYPE_INT); + + /* properties */ + + /** + * NmtWidgetList:create-callback: + * + * Callback called to create a new widget. + */ + g_object_class_install_property( + object_class, + PROP_CREATE_CALLBACK, + g_param_spec_pointer("create-callback", + "", + "", + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + /** + * NmtWidgetList:user-data: + * + * User data for #NmtWidgetList:create-callback + */ + g_object_class_install_property( + object_class, + PROP_USER_DATA, + g_param_spec_pointer("user-data", "", "", G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + /** + * NmtWidgetList:destroy-notify: + * + * #GDestroyNotify for #NmtWidgetList:user-data + */ + g_object_class_install_property( + object_class, + PROP_DESTROY_NOTIFY, + g_param_spec_pointer("destroy-notify", "", "", G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + /** + * NmtWidgetList:length: + * + * The length of the widget list; changing this value will add or + * remove widgets from the list. + */ + g_object_class_install_property(object_class, + PROP_LENGTH, + g_param_spec_int("length", + "", + "", + 0, + G_MAXINT, + 0, + G_PARAM_READWRITE | G_PARAM_STATIC_STRINGS)); + /** + * NmtWidgetList:empty-widget: + * + * If non-%NULL, this widget will be displayed when there are + * no "real" widgets in the list. + */ + g_object_class_install_property( + object_class, + PROP_EMPTY_WIDGET, + g_param_spec_object("empty-widget", + "", + "", + NMT_TYPE_NEWT_WIDGET, + G_PARAM_READWRITE | G_PARAM_CONSTRUCT_ONLY | G_PARAM_STATIC_STRINGS)); } |