/* -*- Mode: C; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 8 -*- * * Copyright 2009-2010 Red Hat, Inc, * * 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 3 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: Matthias Clasen */ #include "config.h" #include #include #include #include #include #include #include #include "cc-language-chooser.h" #include "cc-common-language.h" #include "gdm-languages.h" gchar * cc_language_chooser_get_language (GtkWidget *chooser) { GtkTreeView *tv; GtkTreeSelection *selection; GtkTreeModel *model; GtkTreeIter iter; gchar *lang; tv = (GtkTreeView *) g_object_get_data (G_OBJECT (chooser), "list"); selection = gtk_tree_view_get_selection (tv); if (gtk_tree_selection_get_selected (selection, &model, &iter)) gtk_tree_model_get (model, &iter, LOCALE_COL, &lang, -1); else lang = NULL; return lang; } void cc_language_chooser_clear_filter (GtkWidget *chooser) { GtkEntry *entry; entry = (GtkEntry *) g_object_get_data (G_OBJECT (chooser), "filter-entry"); gtk_entry_set_text (entry, ""); } static void row_activated (GtkTreeView *tree_view, GtkTreePath *path, GtkTreeViewColumn *column, GtkWidget *chooser) { gtk_dialog_response (GTK_DIALOG (chooser), GTK_RESPONSE_OK); } static void languages_foreach_cb (gpointer key, gpointer value, gpointer user_data) { GtkListStore *store = (GtkListStore *) user_data; const char *locale = (const char *) key; const char *display_locale = (const char *) value; GtkTreeIter iter; gtk_list_store_append (store, &iter); gtk_list_store_set (store, &iter, LOCALE_COL, locale, DISPLAY_LOCALE_COL, display_locale, -1); } void cc_add_user_languages (GtkTreeModel *model) { char *name; GtkTreeIter iter; GtkListStore *store = GTK_LIST_STORE (model); GHashTable *user_langs; const char *display; gtk_list_store_clear (store); user_langs = cc_common_language_get_initial_languages (); /* Add the current locale first */ name = cc_common_language_get_current_language (); display = g_hash_table_lookup (user_langs, name); gtk_list_store_append (store, &iter); gtk_list_store_set (store, &iter, LOCALE_COL, name, DISPLAY_LOCALE_COL, display, -1); g_hash_table_remove (user_langs, name); g_free (name); /* The rest of the languages */ g_hash_table_foreach (user_langs, (GHFunc) languages_foreach_cb, store); /* And now the "Other..." selection */ gtk_list_store_append (store, &iter); gtk_list_store_set (store, &iter, LOCALE_COL, NULL, DISPLAY_LOCALE_COL, _("Other..."), -1); g_hash_table_destroy (user_langs); } static void remove_timeout (gpointer data, GObject *where_the_object_was) { guint timeout = GPOINTER_TO_UINT (data); g_source_remove (timeout); } static void remove_async (gpointer data) { guint async_id = GPOINTER_TO_UINT (data); g_source_remove (async_id); } static void selection_changed (GtkTreeSelection *selection, GtkWidget *chooser) { gtk_dialog_set_response_sensitive (GTK_DIALOG (chooser), GTK_RESPONSE_OK, gtk_tree_selection_get_selected (selection, NULL, NULL)); } static gboolean finish_language_chooser (gpointer user_data) { GtkWidget *chooser = (GtkWidget *) user_data; GtkWidget *list; GtkTreeModel *model; GtkWindow *parent; GHashTable *user_langs; guint timeout; guint async_id; GtkTreeSelection *selection; gboolean regions; /* Did we get called after the widget was destroyed? */ if (chooser == NULL) return FALSE; regions = GPOINTER_TO_INT (g_object_get_data (G_OBJECT (chooser), "regions")); list = g_object_get_data (G_OBJECT (chooser), "list"); model = gtk_tree_view_get_model (GTK_TREE_VIEW (list)); model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (model)); user_langs = g_object_get_data (G_OBJECT (chooser), "user-langs"); async_id = cc_common_language_add_available_languages (GTK_LIST_STORE (model), regions, user_langs); g_object_set_data_full (G_OBJECT (chooser), "language-async", GUINT_TO_POINTER (async_id), remove_async); parent = gtk_window_get_transient_for (GTK_WINDOW (chooser)); gdk_window_set_cursor (gtk_widget_get_window (GTK_WIDGET (parent)), NULL); g_object_set_data (G_OBJECT (chooser), "user-langs", NULL); timeout = GPOINTER_TO_UINT (g_object_get_data (G_OBJECT (chooser), "timeout")); g_object_weak_unref (G_OBJECT (chooser), (GWeakNotify) remove_timeout, GUINT_TO_POINTER (timeout)); /* And now listen for changes */ selection = gtk_tree_view_get_selection (GTK_TREE_VIEW (list)); g_signal_connect (G_OBJECT (selection), "changed", G_CALLBACK (selection_changed), chooser); return FALSE; } static void filter_clear (GtkEntry *entry, GtkEntryIconPosition icon_pos, GdkEvent *event, gpointer user_data) { gtk_entry_set_text (entry, ""); } static void filter_changed (GtkWidget *entry, GParamSpec *pspec, GtkWidget *list) { const gchar *pattern; GtkTreeModel *filter_model; GtkTreeModel *model; pattern = gtk_entry_get_text (GTK_ENTRY (entry)); filter_model = gtk_tree_view_get_model (GTK_TREE_VIEW (list)); model = gtk_tree_model_filter_get_model (GTK_TREE_MODEL_FILTER (filter_model)); if (g_strcmp0 (pattern, "") == 0) { g_object_set (G_OBJECT (entry), "secondary-icon-name", "edit-find-symbolic", "secondary-icon-activatable", FALSE, "secondary-icon-sensitive", FALSE, NULL); g_object_set_data_full (G_OBJECT (model), "filter-string", g_strdup (""), g_free); } else { g_object_set (G_OBJECT (entry), "secondary-icon-name", "edit-clear-symbolic", "secondary-icon-activatable", TRUE, "secondary-icon-sensitive", TRUE, NULL); g_object_set_data_full (G_OBJECT (model), "filter-string", g_utf8_casefold (pattern, -1), g_free); } gtk_tree_model_filter_refilter (GTK_TREE_MODEL_FILTER (filter_model)); } static gboolean filter_languages (GtkTreeModel *model, GtkTreeIter *iter, gpointer data) { const gchar *filter_string; gchar *locale, *l; gboolean visible; filter_string = g_object_get_data (G_OBJECT (model), "filter-string"); if (filter_string == NULL) return TRUE; gtk_tree_model_get (model, iter, DISPLAY_LOCALE_COL, &locale, -1); if (locale == NULL) return FALSE; l = g_utf8_casefold (locale, -1); visible = strstr (l, filter_string) != NULL; g_free (locale); g_free (l); return visible; } GtkWidget * cc_language_chooser_new (GtkWidget *parent, gboolean regions) { GtkBuilder *builder; const char *filename; GError *error = NULL; GtkWidget *chooser; GtkWidget *list; GtkWidget *button; GtkWidget *entry; GtkWidget *widget; GHashTable *user_langs; GdkCursor *cursor; guint timeout; GtkTreeModel *model; GtkTreeModel *filter_model; builder = gtk_builder_new (); filename = UIDIR "/language-chooser.ui"; if (!g_file_test (filename, G_FILE_TEST_EXISTS)) filename = "data/language-chooser.ui"; if (!gtk_builder_add_from_file (builder, filename, &error)) { g_warning ("failed to load language chooser: %s", error->message); g_error_free (error); return NULL; } chooser = (GtkWidget *) gtk_builder_get_object (builder, "dialog"); if (regions) { widget = (GtkWidget *) gtk_builder_get_object (builder, "title"); gtk_label_set_text (GTK_LABEL (widget), _("Select a region")); /* communicate the preference to finish_language_chooser() */ g_object_set_data (G_OBJECT (chooser), "regions", GINT_TO_POINTER (TRUE)); } list = (GtkWidget *) gtk_builder_get_object (builder, "language-list"); g_object_set_data (G_OBJECT (chooser), "list", list); g_signal_connect (list, "row-activated", G_CALLBACK (row_activated), chooser); button = (GtkWidget *) gtk_builder_get_object (builder, "ok-button"); gtk_widget_grab_default (button); entry = (GtkWidget *) gtk_builder_get_object (builder, "filter-entry"); g_object_set_data (G_OBJECT (chooser), "filter-entry", entry); g_signal_connect (entry, "notify::text", G_CALLBACK (filter_changed), list); g_signal_connect (entry, "icon-release", G_CALLBACK (filter_clear), NULL); gtk_widget_grab_focus (entry); user_langs = g_hash_table_new_full (g_str_hash, g_str_equal, g_free, g_free); cc_common_language_setup_list (list, user_langs); model = gtk_tree_view_get_model (GTK_TREE_VIEW (list)); filter_model = gtk_tree_model_filter_new (model, NULL); gtk_tree_model_filter_set_visible_func (GTK_TREE_MODEL_FILTER (filter_model), filter_languages, NULL, NULL); gtk_tree_view_set_model (GTK_TREE_VIEW (list), filter_model); /* Setup so that the list is added after the dialogue is shown */ cursor = gdk_cursor_new (GDK_WATCH); gdk_window_set_cursor (gtk_widget_get_window (parent), cursor); g_object_unref (cursor); gtk_window_set_transient_for (GTK_WINDOW (chooser), GTK_WINDOW (parent)); g_object_set_data_full (G_OBJECT (chooser), "user-langs", user_langs, (GDestroyNotify) g_hash_table_destroy); timeout = g_idle_add ((GSourceFunc) finish_language_chooser, chooser); g_object_set_data (G_OBJECT (chooser), "timeout", GUINT_TO_POINTER (timeout)); g_object_weak_ref (G_OBJECT (chooser), (GWeakNotify) remove_timeout, GUINT_TO_POINTER (timeout)); g_object_unref (builder); return chooser; }