diff options
Diffstat (limited to 'src/datetime-prefs-locations.c')
| -rw-r--r-- | src/datetime-prefs-locations.c | 180 |
1 files changed, 172 insertions, 8 deletions
diff --git a/src/datetime-prefs-locations.c b/src/datetime-prefs-locations.c index c0452d0..33fd660 100644 --- a/src/datetime-prefs-locations.c +++ b/src/datetime-prefs-locations.c @@ -44,6 +44,138 @@ with this program. If not, see <http://www.gnu.org/licenses/>. static gboolean update_times (GtkWidget * dlg); static void save_when_idle (GtkWidget * dlg); +/*** +**** Sorting +***/ + +/** + * A temporary struct used for sorting + */ +struct TimeLocation +{ + gchar * collated_name; + gint pos; + gint32 offset; +}; + +static struct TimeLocation* +time_location_new (const char * zone, const char * name, int pos, time_t now) +{ + struct TimeLocation * loc = g_new (struct TimeLocation, 1); + GTimeZone * tz = g_time_zone_new (zone); + const gint interval = g_time_zone_find_interval (tz, G_TIME_TYPE_UNIVERSAL, now); + loc->offset = g_time_zone_get_offset (tz, interval); + loc->collated_name = g_utf8_collate_key (name, -1); + loc->pos = pos; + g_time_zone_unref (tz); + return loc; +} + +static void +time_location_free (struct TimeLocation * loc) +{ + g_free (loc->collated_name); + g_free (loc); +} + +static GSList* +time_location_array_new_from_model (GtkTreeModel * model) +{ + int pos = 0; + GtkTreeIter iter; + GSList * list = NULL; + const time_t now = time (NULL); + + if (gtk_tree_model_get_iter_first (model, &iter)) do + { + gchar * zone = NULL; + gchar * name = NULL; + + gtk_tree_model_get (model, &iter, + COL_ZONE, &zone, + COL_VISIBLE_NAME, &name, + -1); + list = g_slist_prepend (list, time_location_new (zone, name, pos++, now)); + + g_free (name); + g_free (zone); + } + while (gtk_tree_model_iter_next (model, &iter)); + + return g_slist_reverse (list); +} + +static void +handle_sort(GtkWidget * button, GtkTreeView * tree_view, GCompareFunc compare) +{ + GtkTreeModel * model = gtk_tree_view_get_model (tree_view); + GSList * l; + GSList * list = g_slist_sort (time_location_array_new_from_model(model), compare); + + gint i; + gint * reorder = g_new (gint, g_slist_length(list)); + for (i=0, l=list; l!=NULL; l=l->next, i++) + reorder[i] = ((struct TimeLocation*)l->data)->pos; + gtk_list_store_reorder (GTK_LIST_STORE(model), reorder); + + g_free (reorder); + g_slist_free_full (list, (GDestroyNotify)time_location_free); +} + +static gint +time_location_compare_by_name (gconstpointer ga, gconstpointer gb) +{ + const struct TimeLocation * a = ga; + const struct TimeLocation * b = gb; + int ret = g_strcmp0 (a->collated_name, b->collated_name); /* primary key */ + if (!ret) + ret = a->offset - b->offset; /* secondary key */ + return ret; +} +static void +handle_sort_by_name (GtkWidget * button, GtkTreeView * tree_view) +{ + handle_sort (button, tree_view, time_location_compare_by_name); +} + +static gint +time_location_compare_by_time (gconstpointer ga, gconstpointer gb) +{ + const struct TimeLocation * a = ga; + const struct TimeLocation * b = gb; + int ret = a->offset - b->offset; /* primary key */ + if (!ret) + ret = g_strcmp0 (a->collated_name, b->collated_name); /* secondary key */ + return ret; +} +static void +handle_sort_by_time (GtkWidget * button, GtkTreeView * tree_view) +{ + handle_sort (button, tree_view, time_location_compare_by_time); +} + +static gboolean +time_location_list_test_sorted (GSList * list, GCompareFunc compare) +{ + GSList * l; + for (l=list; l!=NULL && l->next!=NULL; l=l->next) + if (compare(l->data, l->next->data) > 0) + return FALSE; + return TRUE; +} +static void +location_model_test_sorted (GtkTreeModel * model, gboolean * is_sorted_by_name, gboolean * is_sorted_by_time) +{ + GSList * list = time_location_array_new_from_model(model); + *is_sorted_by_name = time_location_list_test_sorted (list, time_location_compare_by_name); + *is_sorted_by_time = time_location_list_test_sorted (list, time_location_compare_by_time); + g_slist_free_full (list, (GDestroyNotify)time_location_free); +} + +/*** +**** +***/ + static void handle_add (GtkWidget * button, GtkTreeView * tree) { @@ -201,8 +333,8 @@ timezone_selected (GtkEntryCompletion * widget, GtkTreeModel * model, CC_TIMEZONE_COMPLETION_LONGITUDE, &strlon, -1); - if (strlat && *strlat) lat = atof(strlat); - if (strlon && *strlon) lon = atof(strlon); + if (strlat && *strlat) lat = g_ascii_strtod(strlat, NULL); + if (strlon && *strlon) lon = g_ascii_strtod(strlon, NULL); CcTimezoneMap * tzmap = CC_TIMEZONE_MAP (g_object_get_data (G_OBJECT (widget), "tzmap")); g_free (zone); @@ -298,9 +430,13 @@ update_times (GtkWidget * dlg) GDateTime * now_tz = g_date_time_to_timezone (now, tz); gchar * format = generate_format_string_at_time (now_tz); gchar * time_str = g_date_time_format (now_tz, format); + gchar * old_time_str; - gtk_list_store_set (store, &iter, COL_TIME, time_str, -1); + gtk_tree_model_get (GTK_TREE_MODEL (store), &iter, COL_TIME, &old_time_str, -1); + if (g_strcmp0 (old_time_str, time_str)) + gtk_list_store_set (store, &iter, COL_TIME, time_str, -1); + g_free (old_time_str); g_free (time_str); g_free (format); g_date_time_unref (now_tz); @@ -426,6 +562,26 @@ selection_changed (GtkTreeSelection * selection, GtkWidget * remove_button) gtk_widget_set_sensitive (remove_button, count > 0); } +static void +update_button_sensitivity (GtkWidget * dlg) +{ + GObject * odlg = G_OBJECT(dlg); + GObject * completion = g_object_get_data(odlg, "completion"); + GtkTreeModel * model = GTK_TREE_MODEL (g_object_get_data (completion, "store")); + gboolean is_sorted_by_name; + gboolean is_sorted_by_time; + location_model_test_sorted (model, &is_sorted_by_name, &is_sorted_by_time); + gtk_widget_set_sensitive (GTK_WIDGET(g_object_get_data(odlg, "sortByNameButton")), !is_sorted_by_name); + gtk_widget_set_sensitive (GTK_WIDGET(g_object_get_data(odlg, "sortByTimeButton")), !is_sorted_by_time); +} + +static void +model_changed (GtkWidget * dlg) +{ + update_button_sensitivity (dlg); + save_when_idle (dlg); +} + GtkWidget * datetime_setup_locations_dialog (CcTimezoneMap * map) { @@ -473,6 +629,7 @@ datetime_setup_locations_dialog (CcTimezoneMap * map) g_signal_connect (tree, "query-tooltip", G_CALLBACK (query_tooltip), cell); cell = gtk_cell_renderer_text_new (); + gtk_cell_renderer_set_alignment (cell, 1.0f, 0.5f); gtk_tree_view_insert_column_with_attributes (GTK_TREE_VIEW (tree), -1, _("Time"), cell, "text", COL_TIME, NULL); @@ -485,12 +642,19 @@ datetime_setup_locations_dialog (CcTimezoneMap * map) g_signal_connect (WIG ("addButton"), "clicked", G_CALLBACK (handle_add), tree); g_signal_connect (WIG ("removeButton"), "clicked", G_CALLBACK (handle_remove), tree); - fill_from_settings (store, conf); - g_signal_connect_swapped (store, "row-deleted", G_CALLBACK (save_when_idle), dlg); - g_signal_connect_swapped (store, "row-inserted", G_CALLBACK (save_when_idle), dlg); - g_signal_connect_swapped (store, "row-changed", G_CALLBACK (save_when_idle), dlg); - g_signal_connect_swapped (store, "rows-reordered", G_CALLBACK (save_when_idle), dlg); + GtkWidget * w = WIG ("sortByNameButton"); + g_signal_connect (w, "clicked", G_CALLBACK (handle_sort_by_name), tree); + g_object_set_data (G_OBJECT(dlg), "sortByNameButton", w); + + w = WIG ("sortByTimeButton"); + g_signal_connect (w, "clicked", G_CALLBACK (handle_sort_by_time), tree); + g_object_set_data (G_OBJECT(dlg), "sortByTimeButton", w); + fill_from_settings (store, conf); + g_signal_connect_swapped (store, "row-deleted", G_CALLBACK (model_changed), dlg); + g_signal_connect_swapped (store, "row-inserted", G_CALLBACK (model_changed), dlg); + g_signal_connect_swapped (store, "row-changed", G_CALLBACK (model_changed), dlg); + g_signal_connect_swapped (store, "rows-reordered", G_CALLBACK (model_changed), dlg); g_object_set_data_full (G_OBJECT (dlg), "conf", g_object_ref (conf), g_object_unref); g_object_set_data_full (G_OBJECT (dlg), "completion", completion, g_object_unref); g_signal_connect (dlg, "destroy", G_CALLBACK (dialog_closed), store); |