/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- * * Copyright (C) 2008 Red Hat, Inc. * Copyright (C) 2007 William Jon McCann * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. * * Written by: Ray Strode * William Jon McCann */ #include "config.h" #include #include #include #include #include #include #include #include #include #include #include #include "gdm-option-widget.h" #define GDM_OPTION_WIDGET_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), GDM_TYPE_OPTION_WIDGET, GdmOptionWidgetPrivate)) #define GDM_OPTION_WIDGET_RC_STRING \ "style \"gdm-option-widget-style\"" \ "{" \ " GtkComboBox::appears-as-list = 1" \ "}" \ "widget_class \"*.*.GtkComboBox\" style \"gdm-option-widget-style\"" struct GdmOptionWidgetPrivate { GtkWidget *label; GtkWidget *image; char *label_text; char *icon_name; char *default_item_id; GtkWidget *items_combo_box; GtkListStore *list_store; GtkTreeModelFilter *model_filter; GtkTreeModelSort *model_sorter; GtkTreeRowReference *active_row; GtkTreeRowReference *top_separator_row; GtkTreeRowReference *bottom_separator_row; gint number_of_top_rows; gint number_of_middle_rows; gint number_of_bottom_rows; guint check_idle_id; }; enum { PROP_0, PROP_LABEL_TEXT, PROP_ICON_NAME, PROP_DEFAULT_ITEM }; enum { ACTIVATED = 0, NUMBER_OF_SIGNALS }; static guint signals[NUMBER_OF_SIGNALS]; static void gdm_option_widget_class_init (GdmOptionWidgetClass *klass); static void gdm_option_widget_init (GdmOptionWidget *option_widget); static void gdm_option_widget_finalize (GObject *object); G_DEFINE_TYPE (GdmOptionWidget, gdm_option_widget, GTK_TYPE_ALIGNMENT) enum { OPTION_NAME_COLUMN = 0, OPTION_COMMENT_COLUMN, OPTION_POSITION_COLUMN, OPTION_ID_COLUMN, NUMBER_OF_OPTION_COLUMNS }; static gboolean find_item (GdmOptionWidget *widget, const char *id, GtkTreeIter *iter) { GtkTreeModel *model; gboolean found_item; g_assert (GDM_IS_OPTION_WIDGET (widget)); g_assert (id != NULL); found_item = FALSE; model = GTK_TREE_MODEL (widget->priv->model_sorter); if (!gtk_tree_model_get_iter_first (model, iter)) { return FALSE; } do { char *item_id; gtk_tree_model_get (model, iter, OPTION_ID_COLUMN, &item_id, -1); g_assert (item_id != NULL); if (strcmp (id, item_id) == 0) { found_item = TRUE; } g_free (item_id); } while (!found_item && gtk_tree_model_iter_next (model, iter)); return found_item; } static char * get_active_item_id (GdmOptionWidget *widget, GtkTreeIter *iter) { char *item_id; GtkTreeModel *model; GtkTreePath *path; g_return_val_if_fail (GDM_IS_OPTION_WIDGET (widget), NULL); model = GTK_TREE_MODEL (widget->priv->list_store); item_id = NULL; if (widget->priv->active_row == NULL || !gtk_tree_row_reference_valid (widget->priv->active_row)) { return NULL; } path = gtk_tree_row_reference_get_path (widget->priv->active_row); if (gtk_tree_model_get_iter (model, iter, path)) { gtk_tree_model_get (model, iter, OPTION_ID_COLUMN, &item_id, -1); }; gtk_tree_path_free (path); return item_id; } char * gdm_option_widget_get_active_item (GdmOptionWidget *widget) { GtkTreeIter iter; return get_active_item_id (widget, &iter); } static void activate_from_item_id (GdmOptionWidget *widget, const char *item_id) { GtkTreeIter iter; if (item_id == NULL) { if (widget->priv->active_row != NULL) { gtk_tree_row_reference_free (widget->priv->active_row); widget->priv->active_row = NULL; } gtk_combo_box_set_active (GTK_COMBO_BOX (widget->priv->items_combo_box), -1); return; } if (!find_item (widget, item_id, &iter)) { g_critical ("Tried to activate non-existing item from option widget"); return; } gtk_combo_box_set_active_iter (GTK_COMBO_BOX (widget->priv->items_combo_box), &iter); } static void activate_from_row (GdmOptionWidget *widget, GtkTreeRowReference *row) { g_assert (row != NULL); g_assert (gtk_tree_row_reference_valid (row)); if (widget->priv->active_row != NULL) { gtk_tree_row_reference_free (widget->priv->active_row); widget->priv->active_row = NULL; } widget->priv->active_row = gtk_tree_row_reference_copy (row); g_signal_emit (widget, signals[ACTIVATED], 0); } static void activate_selected_item (GdmOptionWidget *widget) { GtkTreeModel *model; GtkTreeIter sorted_iter; gboolean is_already_active; model = GTK_TREE_MODEL (widget->priv->list_store); is_already_active = FALSE; if (gtk_combo_box_get_active_iter (GTK_COMBO_BOX (widget->priv->items_combo_box), &sorted_iter)) { GtkTreeRowReference *row; GtkTreePath *sorted_path; GtkTreePath *base_path; sorted_path = gtk_tree_model_get_path (GTK_TREE_MODEL (widget->priv->model_sorter), &sorted_iter); base_path = gtk_tree_model_sort_convert_path_to_child_path (widget->priv->model_sorter, sorted_path); gtk_tree_path_free (sorted_path); if (widget->priv->active_row != NULL) { GtkTreePath *active_path; active_path = gtk_tree_row_reference_get_path (widget->priv->active_row); if (active_path != NULL) { if (gtk_tree_path_compare (base_path, active_path) == 0) { is_already_active = TRUE; } gtk_tree_path_free (active_path); } } g_assert (base_path != NULL); row = gtk_tree_row_reference_new (model, base_path); gtk_tree_path_free (base_path); if (!is_already_active) { activate_from_row (widget, row); } gtk_tree_row_reference_free (row); } } void gdm_option_widget_set_active_item (GdmOptionWidget *widget, const char *id) { g_return_if_fail (GDM_IS_OPTION_WIDGET (widget)); activate_from_item_id (widget, id); } char * gdm_option_widget_get_default_item (GdmOptionWidget *widget) { g_return_val_if_fail (GDM_IS_OPTION_WIDGET (widget), NULL); return g_strdup (widget->priv->default_item_id); } void gdm_option_widget_set_default_item (GdmOptionWidget *widget, const char *item) { char *active; g_return_if_fail (GDM_IS_OPTION_WIDGET (widget)); g_return_if_fail (item == NULL || gdm_option_widget_lookup_item (widget, item, NULL, NULL, NULL)); if (widget->priv->default_item_id == NULL || item == NULL || strcmp (widget->priv->default_item_id, item) != 0) { g_free (widget->priv->default_item_id); widget->priv->default_item_id = NULL; if (widget->priv->active_row == NULL || item != NULL) { activate_from_item_id (widget, item); } widget->priv->default_item_id = g_strdup (item); g_object_notify (G_OBJECT (widget), "default-item"); } /* If a row has already been selected, then reset the selection to * the active row. This way when a user fails to authenticate, any * previously selected value will still be selected. */ active = gdm_option_widget_get_active_item (widget); if (active != NULL && item != NULL && strcmp (gdm_option_widget_get_active_item (widget), item) != 0) { GtkTreeRowReference *row; GtkTreePath *active_path; GtkTreeModel *model; gdm_option_widget_set_active_item (widget, active); active_path = gtk_tree_row_reference_get_path (widget->priv->active_row); model = GTK_TREE_MODEL (widget->priv->list_store); if (active_path != NULL) { row = gtk_tree_row_reference_new (model, active_path); activate_from_row (widget, row); gtk_tree_path_free (active_path); gtk_tree_row_reference_free (row); } } } static const char * gdm_option_widget_get_label_text (GdmOptionWidget *widget) { return widget->priv->label_text; } static void gdm_option_widget_set_label_text (GdmOptionWidget *widget, const char *text) { if (widget->priv->label_text == NULL || strcmp (widget->priv->label_text, text) != 0) { g_free (widget->priv->label_text); widget->priv->label_text = g_strdup (text); gtk_label_set_markup_with_mnemonic (GTK_LABEL (widget->priv->label), text); g_object_notify (G_OBJECT (widget), "label-text"); } } static const char * gdm_option_widget_get_icon_name (GdmOptionWidget *widget) { return widget->priv->icon_name; } static void gdm_option_widget_set_icon_name (GdmOptionWidget *widget, const char *name) { if (name == NULL && widget->priv->icon_name != NULL) { /* remove icon */ g_free (widget->priv->icon_name); widget->priv->icon_name = NULL; gtk_widget_hide (widget->priv->image); gtk_image_clear (GTK_IMAGE (widget->priv->image)); g_object_notify (G_OBJECT (widget), "icon-name"); } else if (name != NULL && widget->priv->icon_name == NULL) { /* add icon */ widget->priv->icon_name = g_strdup (name); gtk_widget_show (widget->priv->image); gtk_image_set_from_icon_name (GTK_IMAGE (widget->priv->image), name, GTK_ICON_SIZE_BUTTON); g_object_notify (G_OBJECT (widget), "icon-name"); } else if (name != NULL && widget->priv->icon_name != NULL && strcmp (widget->priv->icon_name, name) != 0) { /* changed icon */ g_free (widget->priv->icon_name); widget->priv->icon_name = g_strdup (name); gtk_image_set_from_icon_name (GTK_IMAGE (widget->priv->image), name, GTK_ICON_SIZE_BUTTON); g_object_notify (G_OBJECT (widget), "icon-name"); } } static void gdm_option_widget_set_property (GObject *object, guint prop_id, const GValue *value, GParamSpec *pspec) { GdmOptionWidget *self; self = GDM_OPTION_WIDGET (object); switch (prop_id) { case PROP_LABEL_TEXT: gdm_option_widget_set_label_text (self, g_value_get_string (value)); break; case PROP_ICON_NAME: gdm_option_widget_set_icon_name (self, g_value_get_string (value)); break; case PROP_DEFAULT_ITEM: gdm_option_widget_set_default_item (self, g_value_get_string (value)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static void gdm_option_widget_get_property (GObject *object, guint prop_id, GValue *value, GParamSpec *pspec) { GdmOptionWidget *self; self = GDM_OPTION_WIDGET (object); switch (prop_id) { case PROP_LABEL_TEXT: g_value_set_string (value, gdm_option_widget_get_label_text (self)); break; case PROP_ICON_NAME: g_value_set_string (value, gdm_option_widget_get_icon_name (self)); break; case PROP_DEFAULT_ITEM: g_value_take_string (value, gdm_option_widget_get_default_item (self)); break; default: G_OBJECT_WARN_INVALID_PROPERTY_ID (object, prop_id, pspec); break; } } static GObject * gdm_option_widget_constructor (GType type, guint n_construct_properties, GObjectConstructParam *construct_properties) { GdmOptionWidget *option_widget; option_widget = GDM_OPTION_WIDGET (G_OBJECT_CLASS (gdm_option_widget_parent_class)->constructor (type, n_construct_properties, construct_properties)); return G_OBJECT (option_widget); } static void gdm_option_widget_dispose (GObject *object) { GdmOptionWidget *widget; widget = GDM_OPTION_WIDGET (object); if (widget->priv->top_separator_row != NULL) { gtk_tree_row_reference_free (widget->priv->top_separator_row); widget->priv->top_separator_row = NULL; } if (widget->priv->bottom_separator_row != NULL) { gtk_tree_row_reference_free (widget->priv->bottom_separator_row); widget->priv->bottom_separator_row = NULL; } if (widget->priv->active_row != NULL) { gtk_tree_row_reference_free (widget->priv->active_row); widget->priv->active_row = NULL; } G_OBJECT_CLASS (gdm_option_widget_parent_class)->dispose (object); } static gboolean gdm_option_widget_mnemonic_activate (GtkWidget *widget, gboolean group_cycling) { GdmOptionWidget *option_widget; option_widget = GDM_OPTION_WIDGET (widget); gtk_widget_grab_focus (option_widget->priv->items_combo_box); gtk_combo_box_popup (GTK_COMBO_BOX (option_widget->priv->items_combo_box)); return TRUE; } static void gdm_option_widget_class_init (GdmOptionWidgetClass *klass) { GObjectClass *object_class = G_OBJECT_CLASS (klass); GtkWidgetClass *widget_class = GTK_WIDGET_CLASS (klass); object_class->get_property = gdm_option_widget_get_property; object_class->set_property = gdm_option_widget_set_property; object_class->constructor = gdm_option_widget_constructor; object_class->dispose = gdm_option_widget_dispose; object_class->finalize = gdm_option_widget_finalize; widget_class->mnemonic_activate = gdm_option_widget_mnemonic_activate; gtk_rc_parse_string (GDM_OPTION_WIDGET_RC_STRING); signals [ACTIVATED] = g_signal_new ("activated", G_TYPE_FROM_CLASS (object_class), G_SIGNAL_RUN_FIRST, G_STRUCT_OFFSET (GdmOptionWidgetClass, activated), NULL, NULL, g_cclosure_marshal_VOID__VOID, G_TYPE_NONE, 0); g_object_class_install_property (object_class, PROP_LABEL_TEXT, g_param_spec_string ("label-text", _("Label Text"), _("The text to use as a label"), NULL, (G_PARAM_READWRITE | G_PARAM_CONSTRUCT))); g_object_class_install_property (object_class, PROP_ICON_NAME, g_param_spec_string ("icon-name", _("Icon name"), _("The icon to use with the label"), NULL, (G_PARAM_READWRITE | G_PARAM_CONSTRUCT))); g_object_class_install_property (object_class, PROP_DEFAULT_ITEM, g_param_spec_string ("default-item", _("Default Item"), _("The id of the default item"), NULL, G_PARAM_READWRITE)); g_type_class_add_private (klass, sizeof (GdmOptionWidgetPrivate)); } static void on_changed (GtkComboBox *combo_box, GdmOptionWidget *widget) { if (widget->priv->default_item_id == NULL) { return; } activate_selected_item (widget); } static void on_default_item_changed (GdmOptionWidget *widget) { gtk_widget_set_sensitive (widget->priv->items_combo_box, widget->priv->default_item_id != NULL); gtk_tree_model_filter_refilter (widget->priv->model_filter); } static gboolean path_is_row (GdmOptionWidget *widget, GtkTreeModel *model, GtkTreePath *path, GtkTreeRowReference *row) { GtkTreePath *row_path; GtkTreePath *translated_path; gboolean is_row; row_path = gtk_tree_row_reference_get_path (row); if (row_path == NULL) { return FALSE; } if (model == GTK_TREE_MODEL (widget->priv->model_sorter)) { GtkTreePath *filtered_path; filtered_path = gtk_tree_model_sort_convert_path_to_child_path (widget->priv->model_sorter, path); translated_path = gtk_tree_model_filter_convert_path_to_child_path (widget->priv->model_filter, filtered_path); gtk_tree_path_free (filtered_path); } else if (model == GTK_TREE_MODEL (widget->priv->model_filter)) { translated_path = gtk_tree_model_filter_convert_path_to_child_path (widget->priv->model_filter, path); } else { g_assert (model == GTK_TREE_MODEL (widget->priv->list_store)); translated_path = gtk_tree_path_copy (path); } if (gtk_tree_path_compare (row_path, translated_path) == 0) { is_row = TRUE; } else { is_row = FALSE; } gtk_tree_path_free (translated_path); return is_row; } static gboolean path_is_top_separator (GdmOptionWidget *widget, GtkTreeModel *model, GtkTreePath *path) { if (widget->priv->top_separator_row != NULL) { if (path_is_row (widget, model, path, widget->priv->top_separator_row)) { return TRUE; } } return FALSE; } static gboolean path_is_bottom_separator (GdmOptionWidget *widget, GtkTreeModel *model, GtkTreePath *path) { if (widget->priv->bottom_separator_row != NULL) { if (path_is_row (widget, model, path, widget->priv->bottom_separator_row)) { return TRUE; } } return FALSE; } static gboolean path_is_separator (GdmOptionWidget *widget, GtkTreeModel *model, GtkTreePath *path) { return path_is_top_separator (widget, model, path) || path_is_bottom_separator (widget, model, path); } static gboolean gdm_option_widget_check_visibility (GdmOptionWidget *widget) { if ((widget->priv->number_of_middle_rows != 0) && (widget->priv->number_of_top_rows > 0 || widget->priv->number_of_middle_rows > 1 || widget->priv->number_of_bottom_rows > 0)) { gtk_widget_show (widget->priv->items_combo_box); gtk_widget_show (widget->priv->label); if (widget->priv->icon_name != NULL) { gtk_widget_show (widget->priv->image); } } else { gtk_widget_hide (widget->priv->items_combo_box); gtk_widget_hide (widget->priv->label); gtk_widget_hide (widget->priv->image); } widget->priv->check_idle_id = 0; return FALSE; } static void gdm_option_widget_queue_visibility_check (GdmOptionWidget *widget) { if (widget->priv->check_idle_id == 0) { widget->priv->check_idle_id = g_idle_add ((GSourceFunc) gdm_option_widget_check_visibility, widget); } } static gboolean check_item_visibilty (GtkTreeModel *model, GtkTreeIter *iter, gpointer data) { GdmOptionWidget *widget; GtkTreePath *path; gboolean is_top_separator; gboolean is_bottom_separator; gboolean is_visible; g_assert (GDM_IS_OPTION_WIDGET (data)); widget = GDM_OPTION_WIDGET (data); path = gtk_tree_model_get_path (model, iter); is_top_separator = path_is_top_separator (widget, model, path); is_bottom_separator = path_is_bottom_separator (widget, model, path); gtk_tree_path_free (path); if (is_top_separator) { is_visible = widget->priv->number_of_top_rows > 0 && widget->priv->number_of_middle_rows > 0; } else if (is_bottom_separator) { is_visible = widget->priv->number_of_bottom_rows > 0 && widget->priv->number_of_middle_rows > 0; } else { is_visible = TRUE; } gdm_option_widget_queue_visibility_check (widget); return is_visible; } static int compare_item (GtkTreeModel *model, GtkTreeIter *a, GtkTreeIter *b, gpointer data) { GdmOptionWidget *widget; GtkTreePath *path; gboolean a_is_separator; gboolean b_is_separator; char *name_a; char *name_b; int position_a; int position_b; int result; g_assert (GDM_IS_OPTION_WIDGET (data)); widget = GDM_OPTION_WIDGET (data); gtk_tree_model_get (model, a, OPTION_NAME_COLUMN, &name_a, OPTION_POSITION_COLUMN, &position_a, -1); gtk_tree_model_get (model, b, OPTION_NAME_COLUMN, &name_b, OPTION_POSITION_COLUMN, &position_b, -1); if (position_a != position_b) { result = position_a - position_b; goto out; } if (position_a == GDM_OPTION_WIDGET_POSITION_MIDDLE) { a_is_separator = FALSE; } else { path = gtk_tree_model_get_path (model, a); a_is_separator = path_is_separator (widget, model, path); gtk_tree_path_free (path); } if (position_b == GDM_OPTION_WIDGET_POSITION_MIDDLE) { b_is_separator = FALSE; } else { path = gtk_tree_model_get_path (model, b); b_is_separator = path_is_separator (widget, model, path); gtk_tree_path_free (path); } if (a_is_separator && b_is_separator) { result = 0; goto out; } if (!a_is_separator && !b_is_separator) { result = g_utf8_collate (name_a, name_b); goto out; } g_assert (position_a == position_b); g_assert (position_a != GDM_OPTION_WIDGET_POSITION_MIDDLE); result = a_is_separator - b_is_separator; if (position_a == GDM_OPTION_WIDGET_POSITION_BOTTOM) { result *= -1; } out: g_free (name_a); g_free (name_b); return result; } static void name_cell_data_func (GtkTreeViewColumn *tree_column, GtkCellRenderer *cell, GtkTreeModel *model, GtkTreeIter *iter, GdmOptionWidget *widget) { char *name; char *id; char *markup; gboolean is_default; name = NULL; gtk_tree_model_get (model, iter, OPTION_ID_COLUMN, &id, OPTION_NAME_COLUMN, &name, -1); if (widget->priv->default_item_id != NULL && id != NULL && strcmp (widget->priv->default_item_id, id) == 0) { is_default = TRUE; } else { is_default = FALSE; } g_free (id); id = NULL; markup = g_strdup_printf ("%s%s%s", is_default? "" : "", name ? name : "", is_default? "" : ""); g_free (name); g_object_set (cell, "markup", markup, NULL); g_free (markup); } static gboolean separator_func (GtkTreeModel *model, GtkTreeIter *iter, gpointer data) { GdmOptionWidget *widget; GtkTreePath *path; gboolean is_separator; g_assert (GDM_IS_OPTION_WIDGET (data)); widget = GDM_OPTION_WIDGET (data); path = gtk_tree_model_get_path (model, iter); is_separator = path_is_separator (widget, model, path); gtk_tree_path_free (path); return is_separator; } static void add_separators (GdmOptionWidget *widget) { GtkTreeIter iter; GtkTreeModel *model; GtkTreePath *path; g_assert (widget->priv->top_separator_row == NULL); g_assert (widget->priv->bottom_separator_row == NULL); model = GTK_TREE_MODEL (widget->priv->list_store); gtk_list_store_insert_with_values (widget->priv->list_store, &iter, 0, OPTION_ID_COLUMN, "--", OPTION_POSITION_COLUMN, GDM_OPTION_WIDGET_POSITION_BOTTOM, -1); path = gtk_tree_model_get_path (model, &iter); widget->priv->bottom_separator_row = gtk_tree_row_reference_new (model, path); gtk_tree_path_free (path); gtk_list_store_insert_with_values (widget->priv->list_store, &iter, 0, OPTION_ID_COLUMN, "-", OPTION_POSITION_COLUMN, GDM_OPTION_WIDGET_POSITION_TOP, -1); path = gtk_tree_model_get_path (model, &iter); widget->priv->top_separator_row = gtk_tree_row_reference_new (model, path); gtk_tree_path_free (path); } static void gdm_option_widget_init (GdmOptionWidget *widget) { GtkWidget *box; GtkCellRenderer *renderer; widget->priv = GDM_OPTION_WIDGET_GET_PRIVATE (widget); gtk_alignment_set_padding (GTK_ALIGNMENT (widget), 0, 0, 0, 0); gtk_alignment_set (GTK_ALIGNMENT (widget), 0.5, 0.5, 0, 0); box = gtk_hbox_new (FALSE, 6); gtk_widget_show (box); gtk_container_add (GTK_CONTAINER (widget), box); widget->priv->image = gtk_image_new (); gtk_widget_set_no_show_all (widget->priv->image, TRUE); gtk_box_pack_start (GTK_BOX (box), widget->priv->image, FALSE, FALSE, 0); widget->priv->label = gtk_label_new (""); gtk_label_set_use_underline (GTK_LABEL (widget->priv->label), TRUE); gtk_label_set_use_markup (GTK_LABEL (widget->priv->label), TRUE); gtk_widget_set_no_show_all (widget->priv->label, TRUE); gtk_box_pack_start (GTK_BOX (box), widget->priv->label, FALSE, FALSE, 0); widget->priv->items_combo_box = gtk_combo_box_new (); g_signal_connect (widget->priv->items_combo_box, "changed", G_CALLBACK (on_changed), widget); /* We disable the combo box until it has a default */ gtk_widget_set_sensitive (widget->priv->items_combo_box, FALSE); g_signal_connect (widget, "notify::default-item", G_CALLBACK (on_default_item_changed), NULL); gtk_widget_set_no_show_all (widget->priv->items_combo_box, TRUE); gtk_container_add (GTK_CONTAINER (box), widget->priv->items_combo_box); gtk_label_set_mnemonic_widget (GTK_LABEL (widget->priv->label), GTK_WIDGET (widget)); g_assert (NUMBER_OF_OPTION_COLUMNS == 4); widget->priv->list_store = gtk_list_store_new (NUMBER_OF_OPTION_COLUMNS, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_INT, G_TYPE_STRING); widget->priv->model_filter = GTK_TREE_MODEL_FILTER (gtk_tree_model_filter_new (GTK_TREE_MODEL (widget->priv->list_store), NULL)); gtk_tree_model_filter_set_visible_func (widget->priv->model_filter, check_item_visibilty, widget, NULL); widget->priv->model_sorter = GTK_TREE_MODEL_SORT (gtk_tree_model_sort_new_with_model (GTK_TREE_MODEL (widget->priv->model_filter))); gtk_tree_sortable_set_sort_func (GTK_TREE_SORTABLE (widget->priv->model_sorter), OPTION_ID_COLUMN, compare_item, widget, NULL); gtk_tree_sortable_set_sort_column_id (GTK_TREE_SORTABLE (widget->priv->model_sorter), OPTION_ID_COLUMN, GTK_SORT_ASCENDING); gtk_combo_box_set_model (GTK_COMBO_BOX (widget->priv->items_combo_box), GTK_TREE_MODEL (widget->priv->model_sorter)); add_separators (widget); gtk_combo_box_set_row_separator_func (GTK_COMBO_BOX (widget->priv->items_combo_box), separator_func, widget, NULL); /* NAME COLUMN */ renderer = gtk_cell_renderer_text_new (); gtk_cell_layout_pack_start (GTK_CELL_LAYOUT (widget->priv->items_combo_box), renderer, FALSE); gtk_cell_layout_set_cell_data_func (GTK_CELL_LAYOUT (widget->priv->items_combo_box), renderer, (GtkCellLayoutDataFunc) name_cell_data_func, widget, NULL); } static void gdm_option_widget_finalize (GObject *object) { GdmOptionWidget *widget; g_return_if_fail (object != NULL); g_return_if_fail (GDM_IS_OPTION_WIDGET (object)); widget = GDM_OPTION_WIDGET (object); g_return_if_fail (widget->priv != NULL); g_free (widget->priv->icon_name); g_free (widget->priv->label_text); G_OBJECT_CLASS (gdm_option_widget_parent_class)->finalize (object); } GtkWidget * gdm_option_widget_new (const char *label_text) { GObject *object; object = g_object_new (GDM_TYPE_OPTION_WIDGET, "label-text", label_text, NULL); return GTK_WIDGET (object); } void gdm_option_widget_add_item (GdmOptionWidget *widget, const char *id, const char *name, const char *comment, GdmOptionWidgetPosition position) { GtkTreeIter iter; g_return_if_fail (GDM_IS_OPTION_WIDGET (widget)); switch (position) { case GDM_OPTION_WIDGET_POSITION_BOTTOM: widget->priv->number_of_bottom_rows++; break; case GDM_OPTION_WIDGET_POSITION_MIDDLE: widget->priv->number_of_middle_rows++; break; case GDM_OPTION_WIDGET_POSITION_TOP: widget->priv->number_of_top_rows++; break; } gtk_list_store_insert_with_values (widget->priv->list_store, &iter, 0, OPTION_NAME_COLUMN, name, OPTION_COMMENT_COLUMN, comment, OPTION_POSITION_COLUMN, (int) position, OPTION_ID_COLUMN, id, -1); gtk_tree_model_filter_refilter (widget->priv->model_filter); } void gdm_option_widget_remove_item (GdmOptionWidget *widget, const char *id) { GtkTreeModel *model; GtkTreeIter iter; int position; g_return_if_fail (GDM_IS_OPTION_WIDGET (widget)); model = GTK_TREE_MODEL (widget->priv->list_store); if (!find_item (widget, id, &iter)) { g_critical ("Tried to remove non-existing item from option widget"); return; } if (widget->priv->default_item_id != NULL && strcmp (widget->priv->default_item_id, id) == 0) { g_critical ("Tried to remove default item from option widget"); return; } gtk_tree_model_get (model, &iter, OPTION_POSITION_COLUMN, &position, -1); switch ((GdmOptionWidgetPosition) position) { case GDM_OPTION_WIDGET_POSITION_BOTTOM: widget->priv->number_of_bottom_rows--; break; case GDM_OPTION_WIDGET_POSITION_MIDDLE: widget->priv->number_of_middle_rows--; break; case GDM_OPTION_WIDGET_POSITION_TOP: widget->priv->number_of_top_rows--; break; } gtk_list_store_remove (widget->priv->list_store, &iter); gtk_tree_model_filter_refilter (widget->priv->model_filter); } void gdm_option_widget_remove_all_items (GdmOptionWidget *widget) { GtkTreeIter iter; GtkTreeModel *model; int position; gboolean is_valid; g_assert (GDM_IS_OPTION_WIDGET (widget)); model = GTK_TREE_MODEL (widget->priv->list_store); if (!gtk_tree_model_get_iter_first (model, &iter)) { return; } do { gtk_tree_model_get (model, &iter, OPTION_POSITION_COLUMN, &position, -1); if ((GdmOptionWidgetPosition) position == GDM_OPTION_WIDGET_POSITION_MIDDLE) { is_valid = gtk_list_store_remove (widget->priv->list_store, &iter); } else { is_valid = gtk_tree_model_iter_next (model, &iter); } } while (is_valid); } gboolean gdm_option_widget_lookup_item (GdmOptionWidget *widget, const char *id, char **name, char **comment, GdmOptionWidgetPosition *position) { GtkTreeIter iter; char *active_item_id; g_return_val_if_fail (GDM_IS_OPTION_WIDGET (widget), FALSE); g_return_val_if_fail (id != NULL, FALSE); active_item_id = get_active_item_id (widget, &iter); if (active_item_id == NULL || strcmp (active_item_id, id) != 0) { g_free (active_item_id); if (!find_item (widget, id, &iter)) { return FALSE; } } else { g_free (active_item_id); } if (name != NULL) { gtk_tree_model_get (GTK_TREE_MODEL (widget->priv->list_store), &iter, OPTION_NAME_COLUMN, name, -1); } if (comment != NULL) { gtk_tree_model_get (GTK_TREE_MODEL (widget->priv->list_store), &iter, OPTION_COMMENT_COLUMN, comment, -1); } if (position != NULL) { int position_as_int; gtk_tree_model_get (GTK_TREE_MODEL (widget->priv->list_store), &iter, OPTION_POSITION_COLUMN, &position_as_int, -1); *position = (GdmOptionWidgetPosition) position_as_int; } return TRUE; }