Added typing notifications and related preferences

src/preferences.c

@@ -206,6 +206,19 @@ prefs_set_notify(gboolean value)
     _save_prefs();
 }
 
+gboolean
+prefs_get_typing(void)
+{
+    return g_key_file_get_boolean(prefs, "ui", "typing", NULL);
+}
+
+void
+prefs_set_typing(gboolean value)
+{
+    g_key_file_set_boolean(prefs, "ui", "typing", value);
+    _save_prefs();
+}
+
 gboolean
 prefs_get_flash(void)
 {