beginnings of completion support

1 files changed, 131 insertions, 0 deletions

diff --git a/src/timezone-completion.c b/src/timezone-completion.c
new file mode 100644
index 0000000..d98654a
--- /dev/null
+++ b/src/timezone-completion.c
@@ -0,0 +1,131 @@
+/* -*- Mode: C; coding: utf-8; indent-tabs-mode: nil; tab-width: 2 -*-
+
+Copyright 2011 Canonical Ltd.
+
+Authors:
+    Michael Terry <michael.terry@canonical.com>
+
+This program is free software: you can redistribute it and/or modify it 
+under the terms of the GNU General Public License version 3, as published 
+by the Free Software Foundation.
+
+This program is distributed in the hope that it will be useful, but 
+WITHOUT ANY WARRANTY; without even the implied warranties of 
+MERCHANTABILITY, SATISFACTORY QUALITY, 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, see <http://www.gnu.org/licenses/>.
+*/
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include <gdk/gdk.h>
+#include <glib/gi18n.h>
+#include "timezone-completion.h"
+#include "tz.h"
+
+enum {
+  LAST_SIGNAL
+};
+
+/* static guint signals[LAST_SIGNAL] = { }; */
+
+typedef struct _TimezoneCompletionPrivate TimezoneCompletionPrivate;
+struct _TimezoneCompletionPrivate
+{
+  void * placeholder;
+};
+
+#define TIMEZONE_COMPLETION_GET_PRIVATE(o) (G_TYPE_INSTANCE_GET_PRIVATE ((o), TIMEZONE_COMPLETION_TYPE, TimezoneCompletionPrivate))
+
+/* Prototypes */
+static void timezone_completion_class_init (TimezoneCompletionClass *klass);
+static void timezone_completion_init       (TimezoneCompletion *self);
+static void timezone_completion_dispose    (GObject *object);
+static void timezone_completion_finalize   (GObject *object);
+
+G_DEFINE_TYPE (TimezoneCompletion, timezone_completion, GTK_TYPE_ENTRY_COMPLETION);
+
+static GtkListStore *
+get_initial_model (void)
+{
+  TzDB * db = tz_load_db ();
+  GPtrArray * locations = tz_get_locations (db);
+
+  GtkListStore * store = gtk_list_store_new (TIMEZONE_COMPLETION_LAST, G_TYPE_STRING, G_TYPE_STRING, G_TYPE_STRING);
+
+  gint i;
+  for (i = 0; i < locations->len; ++i) {
+    TzLocation * loc = g_ptr_array_index (locations, i);
+    GtkTreeIter iter;
+    gtk_list_store_append (store, &iter);
+
+    /* FIXME: need something better than below for non-English locales */
+    const gchar * last_bit = ((const gchar *)strrchr (loc->zone, '/')) + 1;
+    if (last_bit == NULL)
+      last_bit = loc->zone;
+    gchar * name = g_strdup (last_bit);
+    gchar * underscore;
+    while ((underscore = strchr (name, '_'))) {
+       *underscore = ' ';
+    }
+
+    gtk_list_store_set (store, &iter,
+                        TIMEZONE_COMPLETION_ZONE, loc->zone,
+                        TIMEZONE_COMPLETION_NAME, name,
+                        TIMEZONE_COMPLETION_COUNTRY, loc->country,
+                        -1);
+
+    g_free (name);
+  }
+
+  tz_db_free (db);
+  return store;
+}
+
+static void
+timezone_completion_class_init (TimezoneCompletionClass *klass)
+{
+  GObjectClass *object_class = G_OBJECT_CLASS (klass);
+
+  g_type_class_add_private (klass, sizeof (TimezoneCompletionPrivate));
+
+  object_class->dispose = timezone_completion_dispose;
+  object_class->finalize = timezone_completion_finalize;
+
+  return;
+}
+
+static void
+timezone_completion_init (TimezoneCompletion *self)
+{
+  GtkListStore * model = get_initial_model ();
+  gtk_entry_completion_set_model (GTK_ENTRY_COMPLETION (self), GTK_TREE_MODEL (model));
+  gtk_entry_completion_set_text_column (GTK_ENTRY_COMPLETION (self), TIMEZONE_COMPLETION_NAME);
+  return;
+}
+
+static void
+timezone_completion_dispose (GObject *object)
+{
+  G_OBJECT_CLASS (timezone_completion_parent_class)->dispose (object);
+  return;
+}
+
+static void
+timezone_completion_finalize (GObject *object)
+{
+  G_OBJECT_CLASS (timezone_completion_parent_class)->finalize (object);
+  return;
+}
+
+TimezoneCompletion *
+timezone_completion_new ()
+{
+  TimezoneCompletion * self = g_object_new (TIMEZONE_COMPLETION_TYPE, NULL);
+  return self;
+}
+