From a01b019f06771ba88db68d01fab32774049603ed Mon Sep 17 00:00:00 2001
From: Walter Bender <walter.bender@gmail.com>
Date: Sat, 12 May 2012 12:33:07 +0000
Subject: blank coordinate view when running with rabbit (#3599)

---
(limited to 'TurtleArt')

diff --git a/TurtleArt/talogo.py b/TurtleArt/talogo.py
index 1e5bf07..422d4f9 100644
--- a/TurtleArt/talogo.py
+++ b/TurtleArt/talogo.py
@@ -415,6 +415,7 @@ class LogoCode:
             if self.bindex is not None:
                 self.tw.block_list.list[self.bindex].highlight()
             self.tw.showblocks()
+            self.tw.display_coordinates()
             raise logoerror(str(self.iresult))
         self.iline = oldiline
         self.ireturn()
@@ -454,6 +455,7 @@ class LogoCode:
 
         if token.nargs == None:
             self.tw.showblocks()
+            self.tw.display_coordinates()
             raise logoerror("#noinput")
         for i in range(token.nargs):
             self._no_args_check()
@@ -510,6 +512,7 @@ class LogoCode:
                     return False
         except logoerror, e:
             self.tw.showblocks()
+            self.tw.display_coordinates()
             self.tw.showlabel('syntaxerror', str(e))
             self.tw.turtles.show_all()
             return False
@@ -540,6 +543,7 @@ class LogoCode:
         if self.iline and self.iline[0] is not self.symnothing:
             return
         self.tw.showblocks()
+        self.tw.display_coordinates()
         raise logoerror("#noinput")
 
     #
@@ -755,6 +759,9 @@ class LogoCode:
         # manage the connections and flows locally means we may run
         # into trouble if any of these block types (forever, while,
         # until. ifelse, stopstack, or stack) is changed in tablock.py
+
+        # TODO: Detect nesting, e.g., forever while
+
         if b.name == 'while':
             while_blk = True
         else:
diff --git a/TurtleArt/tawindow.py b/TurtleArt/tawindow.py
index d2b408d..2d4c38e 100644
--- a/TurtleArt/tawindow.py
+++ b/TurtleArt/tawindow.py
@@ -1334,15 +1334,20 @@ class TurtleArtWindow():
         if spr.name == 'run-fastoff':
             self.lc.trace = 0
             self.hideblocks()
+            self.display_coordinates(clear=True)
             self.run_button(0)
         elif spr.name == 'run-slowoff':
             self.lc.trace = 1
+            self.showblocks()
             self.run_button(3)
         elif spr.name == 'debugoff':
             self.lc.trace = 1
+            self.showblocks()
             self.run_button(6)
         elif spr.name == 'stopiton':
             self.stop_button()
+            self.display_coordinates()
+            self.showblocks()
             self.toolbar_shapes['stopiton'].hide()
         elif spr.name == 'eraseron':
             self.eraser_button()
@@ -3168,18 +3173,28 @@ class TurtleArtWindow():
                                    self.canvas.shade, self.canvas.pensize))
         return _data
 
-    def display_coordinates(self):
+    def display_coordinates(self, clear=False):
         """ Display the coordinates of the current turtle on the toolbar """
-        x = round_int(float(self.canvas.xcor) / self.coord_scale)
-        y = round_int(float(self.canvas.ycor) / self.coord_scale)
-        h = round_int(self.canvas.heading)
-        if self.running_sugar:
-            self.activity.coordinates_label.set_text("%s: %d %s: %d %s: %d" %\
-                (_("xcor"), x, _("ycor"), y, _("heading"), h))
-            self.activity.coordinates_label.show()
-        elif self.interactive_mode:
-            self.parent.set_title("%s — %s: %d %s: %d %s: %d" % \
-                (_("Turtle Art"), _("xcor"), x, _("ycor"), y, _("heading"), h))
+        if clear:
+            if self.running_sugar:
+                self.activity.coordinates_label.set_text('')
+                self.activity.coordinates_label.show()
+            elif self.interactive_mode:
+                self.parent.set_title('')
+        else:
+            x = round_int(float(self.canvas.xcor) / self.coord_scale)
+            y = round_int(float(self.canvas.ycor) / self.coord_scale)
+            h = round_int(self.canvas.heading)
+            if self.running_sugar:
+                self.activity.coordinates_label.set_text(
+                    "%s: %d %s: %d %s: %d" % (_("xcor"), x, _("ycor"), y,
+                                              _("heading"), h))
+                self.activity.coordinates_label.show()
+            elif self.interactive_mode:
+                self.parent.set_title(
+                    "%s — %s: %d %s: %d %s: %d" % (
+                        _("Turtle Art"), _("xcor"), x, _("ycor"), y,
+                        _("heading"), h))
 
     def showlabel(self, shp, label=''):
         """ Display a message on a status block """
--
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