diff options
Diffstat (limited to 'clients/tui/nmt-widget-list.c')
| -rw-r--r-- | clients/tui/nmt-widget-list.c | 487 |
1 files changed, 0 insertions, 487 deletions
diff --git a/clients/tui/nmt-widget-list.c b/clients/tui/nmt-widget-list.c deleted file mode 100644 index d25c01c7..00000000 --- a/clients/tui/nmt-widget-list.c +++ /dev/null @@ -1,487 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-or-later */ -/* - * Copyright (C) 2013 Red Hat, Inc. - */ - -/** - * SECTION:nmt-widget-list - * @short_description: A list of widgets, with Add and Remove buttons - * - * #NmtWidgetList presents a homogeneous list of widgets, with "Remove" - * buttons next to each one, and an "Add" button at the button to add - * new ones. - * - * It is the base class for #NmtAddressList, and is used internally by - * #NmtRouteTable. - * - * FIXME: The way this works is sort of weird. - */ - -#include "libnm/nm-default-client.h" - -#include "nmt-widget-list.h" - -#include <arpa/inet.h> -#include <netinet/in.h> -#include <stdlib.h> - -#include "nmt-newt.h" - -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)) - -typedef struct { - int length; - - NmtWidgetListCallback create_callback; - gpointer user_data; - GDestroyNotify destroy_notify; - - NmtNewtWidget *empty_widget; - - GPtrArray *widgets; - GPtrArray *remove_buttons; - - 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 -}; - -enum { - ADD_CLICKED, - REMOVE_CLICKED, - - LAST_SIGNAL -}; - -static guint signals[LAST_SIGNAL] = {0}; - -static void add_clicked(NmtNewtButton *button, gpointer user_data); -static void remove_clicked(NmtNewtButton *button, gpointer user_data); - -/** - * NmtWidgetListCallback: - * @list: the #NmtWidgetList - * @n: the number of the widget being added - * @user_data: the callback's user data - * - * Called by #NmtWidgetList to ask for a new widget to be created. - * - * Note that the widget is not created to go with any particular - * value, but rather is created to be at a certain spot in the list. - * When an element is deleted from the list, it is actually always - * the last widget in the list that is removed, but it is assumed - * that the widget list is bound to some array-valued property, and - * so when an element is deleted from that array, the widgets will - * all update themselves automatically when the array changes. - * - * Returns: a new widget for the list - */ - -/** - * nmt_widget_list_new: - * @create_callback: callback to create new widgets - * @user_data: user data for @create_callback - * @destroy_notify: #GDestroyNotify for @user_data - * @empty_widget: (allow-none): a widget to display when there are - * no "real" widgets in the list. - * - * Creates a new #NmtWidgetList. - * - * Returns: a new #NmtWidgetList. - */ -NmtNewtWidget * -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); -} - -static void -nmt_widget_list_init(NmtWidgetList *list) -{ - NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE(list); - - 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); -} - -static void -nmt_widget_list_constructed(GObject *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); - } - - G_OBJECT_CLASS(nmt_widget_list_parent_class)->constructed(object); -} - -static void -nmt_widget_list_finalize(GObject *object) -{ - NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE(object); - - 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); - - g_clear_object(&priv->empty_widget); - - G_OBJECT_CLASS(nmt_widget_list_parent_class)->finalize(object); -} - -static void -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); -} - -static void -add_clicked(NmtNewtButton *button, gpointer list) -{ - g_signal_emit(G_OBJECT(list), signals[ADD_CLICKED], 0, NULL); -} - -static void -remove_clicked(NmtNewtButton *button, gpointer list) -{ - 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); - - g_signal_emit(G_OBJECT(list), signals[REMOVE_CLICKED], 0, i, NULL); -} - -static NmtNewtWidget * -nmt_widget_list_real_create_widget(NmtWidgetList *list, int n) -{ - NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE(list); - - g_return_val_if_fail(priv->create_callback != NULL, NULL); - - return priv->create_callback(list, n, priv->user_data); -} - -/** - * nmt_widget_list_get_length: - * @list: the #NmtNewtWidgetList - * - * Gets the number of widgets in the list. - * - * Returns: the number of widgets in the list. - */ -int -nmt_widget_list_get_length(NmtWidgetList *list) -{ - NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE(list); - - return priv->length; -} - -/** - * nmt_widget_list_set_length: - * @list: the #NmtNewtWidgetList - * @length: the new length - * - * Changes the number of widgets in the list. Widgets will be added or - * deleted as necessary. - */ -void -nmt_widget_list_set_length(NmtWidgetList *list, int length) -{ - NmtWidgetListPrivate *priv = NMT_WIDGET_LIST_GET_PRIVATE(list); - - if (priv->length != length) { - priv->length = length; - g_object_notify(G_OBJECT(list), "length"); - } - - ensure_widgets(list); -} - -static void -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; - } -} - -static void -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; - } -} - -static void -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)); -} |