From 06713c22fd8c6e33b38a4a3488575cdf1cc6c417 Mon Sep 17 00:00:00 2001
From: Agustin Zubiaga <aguz@sugarlabs.org>
Date: Fri, 07 Sep 2012 00:56:40 +0000
Subject: Some code improvements for sharing

---
diff --git a/activity.py b/activity.py
index 0cef29d..fff8a66 100644
--- a/activity.py
+++ b/activity.py
@@ -50,6 +50,8 @@ class Activity(activity.Activity):
 
         # Canvas
         canvas = game.Canvas()
+        canvas.connect('cross-added', self.send_new_cross)
+        canvas.connect('circle-added', self.send_new_circle)
         self.set_canvas(canvas)
 
         # Toolbar
@@ -209,19 +211,19 @@ params=%r state=%d' % (id, initiator, type, service, params, state))
             return
         self._processing_methods[command][0](payload)
 
-    def send_new_cross(self, square):
+    def send_new_cross(self, widget, square):
         self.send_event('x|%s' % square)
 
-    def send_new_circle(self, square):
+    def send_new_circle(self, widget, square):
         self.send_event('o|%s' % square)
 
     def _receive_new_cross(self, square):
         square = int(square)
-        _logger.debug('Receive a new cross %s' % square)
+        self.game.add_cross(square, emit_signal=False)
 
     def _receive_new_circle(self, square):
         square = int(square)
-        _logger.debug('Receive a new circle %s' % square)
+        self.game.add_circle(square, emit_signal=False)
 
     def send_event(self, entry):
         """ Send event through the tube. """
diff --git a/game.py b/game.py
index 3c04213..fbf307b 100755
--- a/game.py
+++ b/game.py
@@ -20,6 +20,7 @@
 import cairo
 from gi.repository import Gtk
 from gi.repository import Gdk
+from gi.repository import GObject
 from sugar3.graphics import style
 
 LINE_WIDTH = 12
@@ -37,6 +38,10 @@ BACKGROUND_COLOR = (0.352941, 0.349019, 0.709803)
 
 class Canvas(Gtk.DrawingArea):
 
+    __gsignals__ = {'cross-added': (GObject.SignalFlags.RUN_FIRST, None, [int]),
+                    'circle-added': (GObject.SignalFlags.RUN_FIRST,
+                                     None, [int])}
+
     def __init__(self):
         Gtk.DrawingArea.__init__(self)
 
@@ -156,16 +161,27 @@ class Canvas(Gtk.DrawingArea):
         self.cursor = self.get_pos(event.x, event.y)
         self.queue_draw()
 
+    def add_cross(self, square, emit_signal=True):
+        self.crosses.append(
+              square if type(square) == tuple else self.squares[square])
+        if emit_signal:
+            self.emit('cross-added', self.squares.index(square))
+        self.queue_draw()
+        
+    def add_circle(self, square, emit_signal=True):
+        self.circles.append(
+              square if type(square) == tuple else self.squares[square])
+        if emit_signal:
+            self.emit('circle-added', self.squares.index(square))
+        self.queue_draw()
+
     def _click_cb(self, widget, event):
         pos = self.get_pos(event.x, event.y)
 
-        if self._mode == MODE_CIRCLE and pos:
-            self.circles.append(pos)
-
-        elif self._mode == MODE_CROSS and pos:
-            self.crosses.append(pos)
-
-        self.queue_draw()
+        if self._mode == MODE_CROSS and pos:
+            self.add_cross(pos)
+        elif self._mode == MODE_CIRCLE and pos:
+            self.add_circle(pos)
 
     def get_pos(self, mx, my):
         try:
--
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