Notify other players when show/hide trail

2 files changed, 18 insertions, 9 deletions

diff --git a/activity.py b/activity.py
index 6c0d782..8d0879d 100755
--- a/activity.py
+++ b/activity.py
@@ -81,11 +81,11 @@ class MazeActivity(activity.Activity):
         toolbar_box.toolbar.insert(separator, -1)
         separator.show()
 
-        show_trail_button = ToggleToolButton('show-trail')
-        show_trail_button.set_tooltip(_('Show trail'))
-        show_trail_button.set_active(True)
-        show_trail_button.connect('toggled', self._toggled_show_trail_cb)
-        toolbar_box.toolbar.insert(show_trail_button, -1)
+        self.show_trail_button = ToggleToolButton('show-trail')
+        self.show_trail_button.set_tooltip(_('Show trail'))
+        self.show_trail_button.set_active(True)
+        self.show_trail_button.connect('toggled', self._toggled_show_trail_cb)
+        toolbar_box.toolbar.insert(self.show_trail_button, -1)
 
         separator = Gtk.SeparatorToolItem()
         separator.props.draw = False
@@ -110,7 +110,8 @@ class MazeActivity(activity.Activity):
         self.game.harder()
 
     def _toggled_show_trail_cb(self, button):
-        self.game.set_show_trail(button.get_active())
+        if self.game.set_show_trail(button.get_active()):
+            self.broadcast_msg('show_trail:%s' % str(button.get_active()))
 
     def _shared_cb(self, activity):
         logging.debug('Maze was shared')
diff --git a/game.py b/game.py
index aa507e7..07a5f19 100644
--- a/game.py
+++ b/game.py
@@ -271,8 +271,12 @@ class MazeGame(Gtk.DrawingArea):
         # self.dirtyPoints = []
 
     def set_show_trail(self, show_trail):
-        self._show_trail = show_trail
-        self.queue_draw()
+        if self._show_trail != show_trail:
+            self._show_trail = show_trail
+            self.queue_draw()
+            return True
+        else:
+            return False
 
     def markRectDirty(self, rect):
         """Mark an area that needs to be redrawn.  This lets us
@@ -523,6 +527,8 @@ class MazeGame(Gtk.DrawingArea):
             step: x, y, dx, dy
                 A player move using the accelerator, move a single step
 
+            show_trail: True/False
+
             finish: elapsed
                 A player has finished the maze
         """
@@ -575,7 +581,9 @@ class MazeGame(Gtk.DrawingArea):
             player.elapsed = float(elapsed)
 
             self.show_finish_window()
-
+        elif message.startswith("show_trail:"):
+            show_trail = message.endswith('True')
+            self._activity.show_trail_button.set_active(show_trail)
         else:
             # it was something I don't recognize...
             logging.debug("Message from %s: %s", player.nick, message)