1 files changed, 917 insertions, 0 deletions
diff --git a/mate-dictionary/libgdict/gdict-source-chooser.c b/mate-dictionary/libgdict/gdict-source-chooser.c
new file mode 100644
index 00000000..ab640f85
--- /dev/null
+++ b/mate-dictionary/libgdict/gdict-source-chooser.c
@@ -0,0 +1,917 @@
+/* gdict-source-chooser.h - display widget for dictionary sources
+ *
+ * Copyright (C) 2007 Emmanuele Bassi <[email protected]>
+ *
+ * This library is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This library 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
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the
+ * Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ */
+
+/**
+ * SECTION:gdict-source-chooser
+ * @short_description: Display the list of available sources
+ *
+ * #GdictSourceChooser is a widget that shows the list of available
+ * dictionary sources using a #GdictSourceLoader instance as a model.
+ * It can be used to allow choosing the current dictionary source.
+ *
+ * #GdictSourceChooser is available since Gdict 0.12.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <stdlib.h>
+#include <string.h>
+
+#include <glib/gi18n-lib.h>
+
+#include <gdk/gdk.h>
+
+#include <gtk/gtk.h>
+
+#include "gdict-source-chooser.h"
+#include "gdict-utils.h"
+#include "gdict-private.h"
+#include "gdict-enum-types.h"
+#include "gdict-marshal.h"
+
+#define GDICT_SOURCE_CHOOSER_GET_PRIVATE(obj) \
+ (G_TYPE_INSTANCE_GET_PRIVATE ((obj), \
+ GDICT_TYPE_SOURCE_CHOOSER, \
+ GdictSourceChooserPrivate))
+
+struct _GdictSourceChooserPrivate
+{
+ GtkListStore *store;
+
+ GtkWidget *treeview;
+ GtkWidget *refresh_button;
+ GtkWidget *buttons_box;
+
+ GdictSourceLoader *loader;
+ gint n_sources;
+
+ GdkCursor *busy_cursor;
+ 
+ gchar *current_source;
+};
+
+enum
+{
+ SOURCE_TRANSPORT,
+ SOURCE_NAME,
+ SOURCE_DESCRIPTION,
+ SOURCE_CURRENT,
+
+ SOURCE_N_COLUMNS
+};
+
+enum
+{
+ PROP_0,
+
+ PROP_LOADER,
+ PROP_COUNT
+};
+
+enum
+{
+ SOURCE_ACTIVATED,
+ SELECTION_CHANGED,
+
+ LAST_SIGNAL
+};
+
+static guint source_chooser_signals[LAST_SIGNAL] = { 0, };
+
+G_DEFINE_TYPE (GdictSourceChooser, gdict_source_chooser, GTK_TYPE_VBOX);
+
+static void
+gdict_source_chooser_finalize (GObject *gobject)
+{
+ GdictSourceChooser *chooser = GDICT_SOURCE_CHOOSER (gobject);
+ GdictSourceChooserPrivate *priv = chooser->priv;
+
+ g_free (priv->current_source);
+
+ G_OBJECT_CLASS (gdict_source_chooser_parent_class)->finalize (gobject);
+}
+
+static void
+gdict_source_chooser_dispose (GObject *gobject)
+{
+ GdictSourceChooser *chooser = GDICT_SOURCE_CHOOSER (gobject);
+ GdictSourceChooserPrivate *priv = chooser->priv;
+
+ if (priv->store)
+ {
+ g_object_unref (priv->store);
+ priv->store = NULL;
+ }
+
+ if (priv->loader)
+ {
+ g_object_unref (priv->loader);
+ priv->loader = NULL;
+ }
+
+ if (priv->busy_cursor)
+ {
+ gdk_cursor_unref (priv->busy_cursor);
+ priv->busy_cursor = NULL;
+ }
+
+ G_OBJECT_CLASS (gdict_source_chooser_parent_class)->dispose (gobject);
+}
+
+static void
+gdict_source_chooser_set_property (GObject *gobject,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ switch (prop_id)
+ {
+ case PROP_LOADER:
+ gdict_source_chooser_set_loader (GDICT_SOURCE_CHOOSER (gobject),
+ g_value_get_object (value));
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+gdict_source_chooser_get_property (GObject *gobject,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ GdictSourceChooserPrivate *priv;
+
+ priv = GDICT_SOURCE_CHOOSER (gobject)->priv;
+
+ switch (prop_id)
+ {
+ case PROP_LOADER:
+ g_value_set_object (value, priv->loader);
+ break;
+ case PROP_COUNT:
+ g_value_set_int (value, priv->n_sources);
+ break;
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+row_activated_cb (GtkTreeView *treeview,
+ GtkTreePath *path,
+ GtkTreeViewColumn *column,
+ gpointer data)
+{
+ GdictSourceChooser *chooser = GDICT_SOURCE_CHOOSER (data);
+ GdictSourceChooserPrivate *priv = chooser->priv;
+ GtkTreeIter iter;
+ gchar *name;
+ GdictSource *source;
+
+ if (!priv->loader)
+ return;
+
+ if (!gtk_tree_model_get_iter (GTK_TREE_MODEL (priv->store), &iter, path))
+ return;
+
+ gtk_tree_model_get (GTK_TREE_MODEL (priv->store), &iter,
+ SOURCE_NAME, &name,
+ -1);
+ if (!name)
+ return;
+
+ source = gdict_source_loader_get_source (priv->loader, name);
+ if (!source)
+ {
+ g_free (name);
+ return;
+ }
+
+ g_signal_emit (chooser, source_chooser_signals[SOURCE_ACTIVATED], 0,
+ name, source);
+
+ g_free (name);
+ g_object_unref (source);
+}
+
+static void
+refresh_button_clicked_cb (GtkButton *button,
+ gpointer data)
+{
+ gdict_source_chooser_refresh (GDICT_SOURCE_CHOOSER (data));
+}
+
+static void
+selection_changed_cb (GtkTreeSelection *selection,
+ gpointer data)
+{
+ g_signal_emit (data, source_chooser_signals[SELECTION_CHANGED], 0);
+}
+
+static GObject *
+gdict_source_chooser_constructor (GType gtype,
+ guint n_params,
+ GObjectConstructParam *params)
+{
+ GdictSourceChooser *chooser;
+ GdictSourceChooserPrivate *priv;
+ GObjectClass *parent_class;
+ GObject *retval;
+ GtkWidget *sw;
+ GtkCellRenderer *renderer;
+ GtkTreeViewColumn *column;
+ GtkWidget *hbox;
+
+ parent_class = G_OBJECT_CLASS (gdict_source_chooser_parent_class);
+ retval = parent_class->constructor (gtype, n_params, params);
+
+ chooser = GDICT_SOURCE_CHOOSER (retval);
+ priv = chooser->priv;
+
+ gtk_widget_push_composite_child ();
+
+ sw = gtk_scrolled_window_new (NULL, NULL);
+ gtk_widget_set_composite_name (sw, "gdict-source-chooser-scrolled-window");
+ gtk_scrolled_window_set_policy (GTK_SCROLLED_WINDOW (sw),
+ GTK_POLICY_AUTOMATIC,
+ GTK_POLICY_AUTOMATIC);
+ gtk_scrolled_window_set_shadow_type (GTK_SCROLLED_WINDOW (sw),
+ GTK_SHADOW_IN);
+ gtk_box_pack_start (GTK_BOX (chooser), sw, TRUE, TRUE, 0);
+ gtk_widget_show (sw);
+
+ renderer = gtk_cell_renderer_text_new ();
+ column = gtk_tree_view_column_new_with_attributes ("sources",
+ renderer,
+ "text", SOURCE_DESCRIPTION,
+ "weight", SOURCE_CURRENT,
+ NULL);
+ priv->treeview = gtk_tree_view_new ();
+ gtk_widget_set_composite_name (priv->treeview, "gdict-source-chooser-treeview");
+ gtk_tree_view_set_model (GTK_TREE_VIEW (priv->treeview),
+ GTK_TREE_MODEL (priv->store));
+ gtk_tree_view_set_headers_visible (GTK_TREE_VIEW (priv->treeview), FALSE);
+ gtk_tree_view_append_column (GTK_TREE_VIEW (priv->treeview), column);
+ g_signal_connect (gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->treeview)),
+ "changed", G_CALLBACK (selection_changed_cb),
+ chooser);
+ g_signal_connect (priv->treeview,
+ "row-activated", G_CALLBACK (row_activated_cb),
+ chooser);
+ gtk_container_add (GTK_CONTAINER (sw), priv->treeview);
+ gtk_widget_show (priv->treeview);
+
+ hbox = gtk_hbox_new (FALSE, 6);
+ priv->buttons_box = hbox;
+
+ priv->refresh_button = gtk_button_new ();
+ gtk_button_set_image (GTK_BUTTON (priv->refresh_button),
+ gtk_image_new_from_stock (GTK_STOCK_REFRESH,
+ GTK_ICON_SIZE_BUTTON));
+ g_signal_connect (priv->refresh_button,
+ "clicked", G_CALLBACK (refresh_button_clicked_cb),
+ chooser);
+ gtk_box_pack_start (GTK_BOX (hbox), priv->refresh_button, FALSE, FALSE, 0);
+ gtk_widget_show (priv->refresh_button);
+ gtk_widget_set_tooltip_text (priv->refresh_button,
+ _("Reload the list of available sources"));
+
+ gtk_box_pack_end (GTK_BOX (chooser), hbox, FALSE, FALSE, 0);
+ gtk_widget_show (hbox);
+
+ gtk_widget_pop_composite_child ();
+
+ return retval;
+}
+
+static void
+gdict_source_chooser_class_init (GdictSourceChooserClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+
+ g_type_class_add_private (klass, sizeof (GdictSourceChooserPrivate));
+
+ gobject_class->finalize = gdict_source_chooser_finalize;
+ gobject_class->dispose = gdict_source_chooser_dispose;
+ gobject_class->set_property = gdict_source_chooser_set_property;
+ gobject_class->get_property = gdict_source_chooser_get_property;
+ gobject_class->constructor = gdict_source_chooser_constructor;
+
+ /**
+ * GdictSourceChooser:loader:
+ *
+ * The #GdictSourceLoader used to retrieve the list of available
+ * dictionary sources.
+ *
+ * Since: 0.12
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_LOADER,
+ g_param_spec_object ("loader",
+ "Loader",
+ "The GdictSourceLoader used to get the list of sources",
+ GDICT_TYPE_SOURCE_LOADER,
+ G_PARAM_READWRITE | G_PARAM_CONSTRUCT));
+ /**
+ * GdictSourceChooser:count:
+ *
+ * The number of available dictionary sources, or -1 if no
+ * #GdictSourceLoader is set.
+ *
+ * Since: 0.12
+ */
+ g_object_class_install_property (gobject_class,
+ PROP_COUNT,
+ g_param_spec_int ("count",
+ "Count",
+ "The number of available dictionary sources",
+ -1, G_MAXINT, -1,
+ G_PARAM_READABLE));
+
+ /**
+ * GdictSourceChooser::source-activated:
+ * @chooser: the #GdictSourceChooser that received the signal
+ * @source_name: the name of the activated source
+ * @source: the activated #GdictSource
+ *
+ * The ::source-activated signal is emitted each time the user
+ * activates a row in the source chooser widget, either by double
+ * clicking on it or by a keyboard event.
+ *
+ * Since: 0.12
+ */
+ source_chooser_signals[SOURCE_ACTIVATED] =
+ g_signal_new ("source-activated",
+ G_OBJECT_CLASS_TYPE (gobject_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GdictSourceChooserClass, source_activated),
+ NULL, NULL,
+ gdict_marshal_VOID__STRING_OBJECT,
+ G_TYPE_NONE, 2,
+ G_TYPE_STRING,
+ GDICT_TYPE_SOURCE);
+ /**
+ * GdictSourceChooser::selection-changed:
+ * @chooser: the #GdictSourceChooser that received the signal
+ *
+ * The ::selection-changed signal is emitted each time the
+ * selection inside the source chooser widget has been changed.
+ *
+ * Since: 0.12
+ */
+ source_chooser_signals[SELECTION_CHANGED] =
+ g_signal_new ("selection-changed",
+ G_OBJECT_CLASS_TYPE (gobject_class),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (GdictSourceChooserClass, selection_changed),
+ NULL, NULL,
+ gdict_marshal_VOID__VOID,
+ G_TYPE_NONE, 0);
+}
+
+static void
+gdict_source_chooser_init (GdictSourceChooser *chooser)
+{
+ GdictSourceChooserPrivate *priv;
+
+ chooser->priv = priv = GDICT_SOURCE_CHOOSER_GET_PRIVATE (chooser);
+
+ priv->store = gtk_list_store_new (SOURCE_N_COLUMNS,
+ G_TYPE_INT, /* TRANSPORT */
+ G_TYPE_STRING, /* NAME */
+ G_TYPE_STRING, /* DESCRIPTION */
+ G_TYPE_INT /* CURRENT */);
+
+ priv->loader = NULL;
+ priv->n_sources = -1;
+
+ priv->busy_cursor = gdk_cursor_new (GDK_WATCH);
+}
+
+/**
+ * gdict_source_chooser_new:
+ *
+ * Creates a new #GdictSourceChooser widget. This widget can be used to
+ * display the list of available dictionary sources.
+ *
+ * Return value: the newly created #GdictSourceChooser widget.
+ *
+ * Since: 0.12
+ */
+GtkWidget *
+gdict_source_chooser_new (void)
+{
+ return g_object_new (GDICT_TYPE_SOURCE_CHOOSER, NULL);
+}
+
+/**
+ * gdict_source_chooser_new_with_loader:
+ * @loader: a #GdictSourceLoader
+ *
+ * Creates a new #GdictSourceChooser widget and sets @loader as the
+ * #GdictSourceLoader object to be used to retrieve the list of
+ * available dictionary sources.
+ *
+ * Return value: the newly created #GdictSourceChooser widget.
+ *
+ * Since: 0.12
+ */
+GtkWidget *
+gdict_source_chooser_new_with_loader (GdictSourceLoader *loader)
+{
+ g_return_val_if_fail (GDICT_IS_SOURCE_LOADER (loader), NULL);
+
+ return g_object_new (GDICT_TYPE_SOURCE_CHOOSER, "loader", loader, NULL);
+}
+
+/**
+ * gdict_source_chooser_set_loader:
+ * @chooser: a #GdictSourceChooser
+ * @loader: a #GdictSourceLoader or %NULL to unset it
+ *
+ * Sets the #GdictSourceLoader to be used by the source chooser
+ * widget.
+ *
+ * Since: 0.12
+ */
+void
+gdict_source_chooser_set_loader (GdictSourceChooser *chooser,
+ GdictSourceLoader *loader)
+{
+ GdictSourceChooserPrivate *priv;
+
+ g_return_if_fail (GDICT_IS_SOURCE_CHOOSER (chooser));
+ g_return_if_fail (loader == NULL || GDICT_IS_SOURCE_LOADER (loader));
+
+ priv = chooser->priv;
+
+ if (priv->loader != loader)
+ {
+ if (priv->loader)
+ g_object_unref (priv->loader);
+
+ if (loader)
+ {
+ priv->loader = g_object_ref (loader);
+ gdict_source_chooser_refresh (chooser);
+ }
+
+ g_object_notify (G_OBJECT (chooser), "loader");
+ }
+}
+
+/**
+ * gdict_source_chooser_get_loader:
+ * @chooser: a #GdictSourceChooser
+ * 
+ * Retrieves the #GdictSourceLoader used by @chooser.
+ *
+ * Return value: a #GdictSourceLoader or %NULL is none is set
+ *
+ * Since: 0.12
+ */
+GdictSourceLoader *
+gdict_source_chooser_get_loader (GdictSourceChooser *chooser)
+{
+ g_return_val_if_fail (GDICT_IS_SOURCE_CHOOSER (chooser), NULL);
+
+ return chooser->priv->loader;
+}
+
+typedef struct
+{
+ gchar *source_name;
+ GdictSourceChooser *chooser;
+ 
+ guint found : 1;
+ guint do_select : 1;
+ guint do_activate : 1;
+} SelectData;
+
+static gboolean
+scan_for_source_name (GtkTreeModel *model,
+ GtkTreePath *path,
+ GtkTreeIter *iter,
+ gpointer user_data)
+{
+ SelectData *select_data = user_data;
+ gchar *source_name = NULL;
+
+ if (!select_data)
+ return TRUE;
+
+ gtk_tree_model_get (model, iter, SOURCE_NAME, &source_name, -1);
+ if (!source_name)
+ return FALSE;
+
+ if (strcmp (source_name, select_data->source_name) == 0)
+ {
+ GtkTreeView *tree_view;
+ GtkTreeSelection *selection;
+
+ select_data->found = TRUE;
+
+ tree_view = GTK_TREE_VIEW (select_data->chooser->priv->treeview);
+
+ if (select_data->do_activate)
+ {
+ GtkTreeViewColumn *column;
+
+ column = gtk_tree_view_get_column (tree_view, 2);
+
+ gtk_list_store_set (GTK_LIST_STORE (model), iter,
+ SOURCE_CURRENT, PANGO_WEIGHT_BOLD,
+ -1);
+
+ gtk_tree_view_row_activated (tree_view, path, column);
+ }
+
+ selection = gtk_tree_view_get_selection (tree_view);
+ if (select_data->do_select)
+ gtk_tree_selection_select_path (selection, path);
+ else
+ gtk_tree_selection_unselect_path (selection, path);
+ }
+ else
+ {
+ gtk_list_store_set (GTK_LIST_STORE (model), iter,
+ SOURCE_CURRENT, PANGO_WEIGHT_NORMAL,
+ -1);
+ }
+
+ g_free (source_name);
+
+ return FALSE;
+}
+
+/**
+ * gdict_source_chooser_select_source:
+ * @chooser: a #GdictSourceChooser
+ * @source_name: the name of a dictionary source
+ *
+ * Selects the dictionary source named @source_name inside @chooser.
+ * The selection is moved but the row containing the dictionary source
+ * is not activated.
+ *
+ * Return value: %TRUE if the source was found and selected
+ *
+ * Since: 0.12
+ */
+gboolean
+gdict_source_chooser_select_source (GdictSourceChooser *chooser,
+ const gchar *source_name)
+{
+ GdictSourceChooserPrivate *priv;
+ SelectData data;
+ gboolean retval;
+
+ g_return_val_if_fail (GDICT_IS_SOURCE_CHOOSER (chooser), FALSE);
+ g_return_val_if_fail (source_name != NULL, FALSE);
+
+ priv = chooser->priv;
+
+ data.source_name = g_strdup (source_name);
+ data.chooser = chooser;
+ data.found = FALSE;
+ data.do_select = TRUE;
+ data.do_activate = FALSE;
+
+ gtk_tree_model_foreach (GTK_TREE_MODEL (priv->store),
+ scan_for_source_name,
+ &data);
+
+ retval = data.found;
+
+ g_free (data.source_name);
+
+ return retval;
+}
+
+/**
+ * gdict_source_chooser_unselect_source:
+ * @chooser: a #GdictSourceChooser
+ * @source_name: the name of a dictionary source
+ *
+ * Unselects @source_name inside @chooser.
+ *
+ * Return value: %TRUE if the source was found and unselected
+ *
+ * Since: 0.12
+ */
+gboolean
+gdict_source_chooser_unselect_source (GdictSourceChooser *chooser,
+ const gchar *source_name)
+{
+ GdictSourceChooserPrivate *priv;
+ SelectData data;
+ gboolean retval;
+
+ g_return_val_if_fail (GDICT_IS_SOURCE_CHOOSER (chooser), FALSE);
+ g_return_val_if_fail (source_name != NULL, FALSE);
+
+ priv = chooser->priv;
+
+ data.source_name = g_strdup (source_name);
+ data.chooser = chooser;
+ data.found = FALSE;
+ data.do_select = FALSE;
+ data.do_activate = FALSE;
+
+ gtk_tree_model_foreach (GTK_TREE_MODEL (priv->store),
+ scan_for_source_name,
+ &data);
+
+ retval = data.found;
+
+ g_free (data.source_name);
+
+ return retval;
+}
+
+/**
+ * gdict_source_chooser_set_current_source:
+ * @chooser: a #GdictSourceChooser
+ * @source_name: the name of a dictionary source
+ *
+ * Sets the current dictionary source named @source_name. The row
+ * of the source, if found, will be selected and activated.
+ *
+ * Return value: %TRUE if the source was found
+ *
+ * Since: 0.12
+ */
+gboolean
+gdict_source_chooser_set_current_source (GdictSourceChooser *chooser,
+ const gchar *source_name)
+{
+ GdictSourceChooserPrivate *priv;
+ SelectData data;
+ gboolean retval;
+
+ g_return_val_if_fail (GDICT_IS_SOURCE_CHOOSER (chooser), FALSE);
+ g_return_val_if_fail (source_name != NULL, FALSE);
+
+ priv = chooser->priv;
+
+ if (priv->current_source && !strcmp (priv->current_source, source_name))
+ return TRUE;
+
+ data.source_name = g_strdup (source_name);
+ data.chooser = chooser;
+ data.found = FALSE;
+ data.do_select = TRUE;
+ data.do_activate = TRUE;
+
+ gtk_tree_model_foreach (GTK_TREE_MODEL (priv->store),
+ scan_for_source_name,
+ &data);
+
+ retval = data.found;
+
+ GDICT_NOTE (CHOOSER, "%s current source: %s",
+ data.found ? "set" : "not set",
+ data.source_name);
+
+ if (data.found)
+ {
+ g_free (priv->current_source);
+ priv->current_source = data.source_name;
+ }
+ else
+ g_free (data.source_name);
+
+ return retval;
+}
+
+/**
+ * gdict_source_chooser_get_current_source:
+ * @chooser: a #GdictSourceChooser
+ *
+ * Retrieves the currently selected source.
+ *
+ * Return value: a newly allocated string containing the name of
+ * the currently selected source. Use g_free() when done using it
+ *
+ * Since: 0.12
+ */
+gchar *
+gdict_source_chooser_get_current_source (GdictSourceChooser *chooser)
+{
+ GdictSourceChooserPrivate *priv;
+ GtkTreeSelection *selection;
+ GtkTreeModel *model;
+ GtkTreeIter iter;
+ gchar *retval = NULL;
+
+ g_return_val_if_fail (GDICT_IS_SOURCE_CHOOSER (chooser), NULL);
+ 
+ priv = chooser->priv;
+
+ selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (priv->treeview));
+ if (!gtk_tree_selection_get_selected (selection, &model, &iter))
+ return NULL;
+
+ gtk_tree_model_get (model, &iter, SOURCE_NAME, &retval, -1);
+ 
+ g_free (priv->current_source);
+ priv->current_source = g_strdup (retval);
+
+ return retval;
+}
+
+/**
+ * gdict_source_chooser_get_sources:
+ * @chooser: a #GdictSouceChooser
+ * @length: return location for the length of the returned vector
+ *
+ * Retrieves the names of the available dictionary sources.
+ *
+ * Return value: a newly allocated, %NULL terminated string vector
+ * containing the names of the available sources. Use g_strfreev()
+ * when done using it.
+ *
+ * Since: 0.12
+ */
+gchar **
+gdict_source_chooser_get_sources (GdictSourceChooser *chooser,
+ gsize *length)
+{
+ GdictSourceChooserPrivate *priv;
+ gchar **retval;
+ gsize retval_len;
+
+ g_return_val_if_fail (GDICT_IS_SOURCE_CHOOSER (chooser), NULL);
+
+ priv = chooser->priv;
+
+ if (!priv->loader)
+ return NULL;
+
+ retval = gdict_source_loader_get_names (priv->loader, &retval_len);
+ if (length)
+ *length = retval_len;
+
+ return retval;
+}
+
+/**
+ * gdict_source_chooser_count_sources:
+ * @chooser: a #GdictSourceChooser
+ *
+ * Retrieve the number of available dictionary sources.
+ *
+ * Return value: the number of available sources, or -1 if no
+ * #GdictSourceLoader has been set
+ *
+ * Since: 0.12
+ */
+gint
+gdict_source_chooser_count_sources (GdictSourceChooser *chooser)
+{
+ g_return_val_if_fail (GDICT_IS_SOURCE_CHOOSER (chooser), -1);
+
+ return chooser->priv->n_sources;
+}
+
+/**
+ * gdict_source_chooser_has_source:
+ * @chooser: a #GdictSourceChooser
+ * @source_name: the name of a dictionary source
+ *
+ * Checks whether @chooser has a dictionary source named @source_name.
+ *
+ * Return value: %TRUE if the dictionary source was found
+ *
+ * Since: 0.12
+ */
+gboolean
+gdict_source_chooser_has_source (GdictSourceChooser *chooser,
+ const gchar *source_name)
+{
+ GdictSourceChooserPrivate *priv;
+
+ g_return_val_if_fail (GDICT_IS_SOURCE_CHOOSER (chooser), FALSE);
+ g_return_val_if_fail (source_name != NULL, FALSE);
+
+ priv = chooser->priv;
+
+ if (!priv->loader)
+ return FALSE;
+
+ return gdict_source_loader_has_source (priv->loader, source_name);
+}
+
+/**
+ * gdict_source_chooser_refresh:
+ * @chooser: a #GdictSourceChooser
+ *
+ * Forces a refresh on the contents of the source chooser widget
+ *
+ * Since: 0.12
+ */
+void
+gdict_source_chooser_refresh (GdictSourceChooser *chooser)
+{
+ GdictSourceChooserPrivate *priv;
+
+ g_return_if_fail (GDICT_IS_SOURCE_CHOOSER (chooser));
+
+ priv = chooser->priv;
+
+ if (priv->loader)
+ {
+ const GSList *sources, *l;
+
+ if (priv->treeview)
+ gtk_tree_view_set_model (GTK_TREE_VIEW (priv->treeview), NULL);
+
+ gtk_list_store_clear (priv->store);
+
+ sources = gdict_source_loader_get_sources (priv->loader);
+ for (l = sources; l != NULL; l = l->next)
+ {
+ GdictSource *source = l->data;
+ const gchar *name, *description;
+ GdictSourceTransport transport;
+ gint weight;
+
+ transport = gdict_source_get_transport (source);
+ name = gdict_source_get_name (source);
+ description = gdict_source_get_description (source);
+ weight = PANGO_WEIGHT_NORMAL;
+
+ if (priv->current_source && !strcmp (priv->current_source, name))
+ weight = PANGO_WEIGHT_BOLD;
+
+ gtk_list_store_insert_with_values (priv->store, NULL, -1,
+ SOURCE_TRANSPORT, transport,
+ SOURCE_NAME, name,
+ SOURCE_DESCRIPTION, description,
+ SOURCE_CURRENT, weight,
+ -1);
+ }
+
+ if (priv->treeview)
+ gtk_tree_view_set_model (GTK_TREE_VIEW (priv->treeview),
+ GTK_TREE_MODEL (priv->store));
+ }
+}
+
+/**
+ * gdict_source_chooser_add_button:
+ * @chooser: a #GdictSourceChooser
+ * @button_text: text of the button
+ *
+ * Adds a #GtkButton with @button_text to the button area on
+ * the bottom of @chooser. The @button_text can also be a
+ * stock ID.
+ *
+ * Return value: the newly packed button.
+ *
+ * Since: 0.12
+ */
+GtkWidget *
+gdict_source_chooser_add_button (GdictSourceChooser *chooser,
+ const gchar *button_text)
+{
+ GdictSourceChooserPrivate *priv;
+ GtkWidget *button;
+
+ g_return_val_if_fail (GDICT_IS_SOURCE_CHOOSER (chooser), NULL);
+ g_return_val_if_fail (button_text != NULL, NULL);
+
+ priv = chooser->priv;
+
+ button = gtk_button_new_from_stock (button_text);
+
+ gtk_widget_set_can_default (button, TRUE);
+
+ gtk_widget_show (button);
+
+ gtk_box_pack_end (GTK_BOX (priv->buttons_box), button, FALSE, TRUE, 0);
+
+ return button;
+}
+