Add a option to show/hide the trail

I drawing a smaller point with the user color.

3 files changed, 97 insertions, 6 deletions

diff --git a/activity.py b/activity.py
index 1a358f4..fb32c7e 100755
--- a/activity.py
+++ b/activity.py
@@ -11,6 +11,7 @@ from sugar3.activity.widgets import ActivityToolbarButton
 from sugar3.activity.widgets import StopButton
 from sugar3.graphics.toolbarbox import ToolbarBox
 from sugar3.graphics.toolbutton import ToolButton
+from sugar3.graphics.toggletoolbutton import ToggleToolButton
 from sugar3.graphics.alert import ErrorAlert
 from sugar3 import profile
 from gettext import gettext as _
@@ -76,6 +77,16 @@ class MazeActivity(activity.Activity):
         toolbar_box.toolbar.insert(harder_button, -1)
 
         separator = Gtk.SeparatorToolItem()
+        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)
+
+        separator = Gtk.SeparatorToolItem()
         separator.props.draw = False
         separator.set_size_request(0, -1)
         separator.set_expand(True)
@@ -97,6 +108,9 @@ class MazeActivity(activity.Activity):
     def _harder_button_cb(self, button):
         self.game.harder()
 
+    def _toggled_show_trail_cb(self, button):
+        self.game.set_show_trail(button.get_active())
+
     def _shared_cb(self, activity):
         logging.debug('Maze was shared')
         self._add_alert(_('Sharing'), _('This maze is shared.'))
diff --git a/game.py b/game.py
index 06b77bd..7a0516c 100644
--- a/game.py
+++ b/game.py
@@ -92,6 +92,7 @@ class MazeGame(Gtk.DrawingArea):
         self.reset()
 
         self.frame = 0
+        self._show_trail = True
 
         # self.font = pygame.font.Font(None, 30)
 
@@ -222,12 +223,15 @@ class MazeGame(Gtk.DrawingArea):
             ctx.rectangle(*rect.get_bounds())
             ctx.fill()
 
-            if tile == self.maze.SEEN:
-                ctx.set_source_rgb(*self.TRAIL_COLOR)
-                radius = self.tileSize / 2 - self.outline
-                center = self.tileSize / 2
-                ctx.arc(rect.x + center, rect.y + center, radius, 0, 2 * pi)
-                ctx.fill()
+            if self._show_trail:
+                if tile == self.maze.SEEN:
+                    ctx.set_source_rgb(*self.TRAIL_COLOR)
+                    radius = self.tileSize / 3 - self.outline
+                    center = self.tileSize / 2
+                    ctx.set_source_rgba(*self.localplayers[0].bg.get_rgba())
+                    ctx.arc(rect.x + center, rect.y + center, radius, 0,
+                            2 * pi)
+                    ctx.fill()
             ctx.restore()
 
         # re-draw the dirty rectangle
@@ -290,6 +294,10 @@ class MazeGame(Gtk.DrawingArea):
         # self.dirtyRect = None
         # self.dirtyPoints = []
 
+    def set_show_trail(self, show_trail):
+        self._show_trail = show_trail
+        self.queue_draw()
+
     def markRectDirty(self, rect):
         """Mark an area that needs to be redrawn.  This lets us
         play really big mazes without needing to re-draw the whole
diff --git a/icons/show-trail.svg b/icons/show-trail.svg
new file mode 100644
index 0000000..76a62ed
--- /dev/null
+++ b/icons/show-trail.svg
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+
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+   xmlns:cc="http://creativecommons.org/ns#"
+   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
+   xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
+   version="1.1"
+   width="50"
+   height="50"
+   viewBox="0 0 50 50"
+   id="svg2">
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+     id="defs6" />
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