From 66c75babd51572afeb567a69f38009b17cb39a42 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@walter-laptop.(none)>
Date: Thu, 04 Feb 2010 18:23:43 +0000
Subject: grow/shrink blocks

---
diff --git a/TurtleArtActivity.py b/TurtleArtActivity.py
index 4e1ea72..94df7d1 100644
--- a/TurtleArtActivity.py
+++ b/TurtleArtActivity.py
@@ -407,6 +407,10 @@ class TurtleArtActivity(activity.Activity):
         self.fullscreen()
         self.recenter()
 
+    def _do_resize_blocks_cb(self, button, scale_factor):
+        self.tw.block_scale *= scale_factor
+        self.tw.resize_blocks()
+
     """
     Display coordinate grids
     """
@@ -728,6 +732,20 @@ class TurtleArtActivity(activity.Activity):
             view_toolbar.insert(self.rescale_button,-1)
             self.rescale_button.show()
 
+            self.resize_up_button = ToolButton('resize+')
+            self.resize_up_button.set_tooltip(_("Grow blocks"))
+            self.resize_up_button.connect('clicked',
+                                          self._do_resize_blocks_cb, 1.5)
+            view_toolbar.insert(self.resize_up_button,-1)
+            self.resize_up_button.show()
+
+            self.resize_down_button = ToolButton('resize-')
+            self.resize_down_button.set_tooltip(_("Shrink blocks"))
+            self.resize_down_button.connect('clicked',
+                                            self._do_resize_blocks_cb, 0.667)
+            view_toolbar.insert(self.resize_down_button,-1)
+            self.resize_down_button.show()
+
             # palette button (blocks)
             self.palette_button = ToolButton( "blocksoff" )
             self.palette_button.set_tooltip(_('Hide palette'))
diff --git a/tawindow.py b/tawindow.py
index 51a5c38..27b74fc 100644
--- a/tawindow.py
+++ b/tawindow.py
@@ -175,8 +175,7 @@ class TurtleArtWindow():
     """
     Resize all of the blocks
     """
-    def resize_blocks(self, scale):
-        self.block_scale = scale
+    def resize_blocks(self):
         for b in self.just_blocks():
             b.rescale(self.block_scale)
         for b in self.just_blocks():
diff --git a/turtleart.py b/turtleart.py
index 0acc7d7..2a330fa 100755
--- a/turtleart.py
+++ b/turtleart.py
@@ -160,10 +160,10 @@ class TurtleMain():
 
     def _do_resize_cb(self, widget, factor):
         if factor == -1:
-            self.scale = 2.0     
+            self.tw.block_scale = 2.0     
         else:
-            self.scale *= factor
-        self.tw.resize_blocks(self.scale)
+            self.tw.block_scale *= factor
+        self.tw.resize_blocks()
 
     def _do_palette_cb(self, widget):
         self.tw.show_toolbar_palette(self.i)
--
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