From b1e635a0e51d0d046bbee97f8d865a8d702d6951 Mon Sep 17 00:00:00 2001
From: Walter Bender <walter@walter-laptop.(none)>
Date: Thu, 26 Mar 2009 13:16:03 +0000
Subject: adding visual feedback for user-defined blocks when Python code loaded

---
diff --git a/NEWS b/NEWS
index e0e1144..c72575d 100644
--- a/NEWS
+++ b/NEWS
@@ -1,3 +1,7 @@
+45
+
+* alt chars for keyboard shortcuts
+
 44
 
 * adding user defineable block
diff --git a/TurtleArtActivity.py b/TurtleArtActivity.py
index 9a76bf1..8d33af7 100644
--- a/TurtleArtActivity.py
+++ b/TurtleArtActivity.py
@@ -550,6 +550,7 @@ class SaveAsToolbar(gtk.Toolbar):
                     FILE = open(dsobject.file_path, "r")
                     self.activity.tw.myblock = FILE.read()
                     FILE.close()
+	            tawindow.set_userdefined(self.activity.tw)
                 except:
                     _logger.debug("couldn't open %s" % dsobject.file_path)
                 dsobject.destroy()
diff --git a/images/de/sensors/nop-loaded.svg b/images/de/sensors/nop-loaded.svg
new file mode 100644
index 0000000..83ee400
--- /dev/null
+++ b/images/de/sensors/nop-loaded.svg
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   version="1.0"
+   width="87"
+   height="44"
+   id="svg2">
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diff --git a/images/el/sensors/nop-loaded.svg b/images/el/sensors/nop-loaded.svg
new file mode 100644
index 0000000..83ee400
--- /dev/null
+++ b/images/el/sensors/nop-loaded.svg
@@ -0,0 +1,54 @@
+<?xml version="1.0" encoding="UTF-8" standalone="no"?>
+<!-- Created with Inkscape (http://www.inkscape.org/) -->
+<svg
+   xmlns:svg="http://www.w3.org/2000/svg"
+   xmlns="http://www.w3.org/2000/svg"
+   xmlns:xlink="http://www.w3.org/1999/xlink"
+   version="1.0"
+   width="87"
+   height="44"
+   id="svg2">
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diff --git a/tasetup.py b/tasetup.py
index ce324b2..f7b10d7 100644
--- a/tasetup.py
+++ b/tasetup.py
@@ -243,6 +243,9 @@ def setup_misc(tw):
     tw.media_shapes = {}
     tw.media_shapes['audioon'] = load_image(tw.path, '', 'audioon')
     tw.media_shapes['texton'] = load_image(tw.path, '', 'texton')
+    # media blocks that replace other blocks
+    tw.media_shapes['pythonloaded'] = \
+        load_image(tw.path_lang, 'sensors', 'nop-loaded')
     # status shapes get positioned at the bottom of the screen
     tw.status_shapes = {}
     tw.status_shapes['status'] = load_image(tw.path, '', 'status')
diff --git a/tawindow.py b/tawindow.py
index bf3d930..da77f08 100644
--- a/tawindow.py
+++ b/tawindow.py
@@ -87,6 +87,7 @@ def twNew(win, path, lang, tboxh, parent=None):
     tw.draggroup = None
     prep_selectors(tw)
     tw.myblock = None
+    tw.nop = 'nop'
     tw.loaded = 0
     for s in selectors:
         setup_selectors(tw,s)
@@ -190,7 +191,11 @@ def select_category(tw, spr):
 def new_block_from_category(tw,proto,x,y):
     if proto is None:
         return True
-    newspr = sprNew(tw,x-20,y-20,proto.image)
+    # load alternative image of nop block if python code is loaded
+    if proto.name == 'nop' and tw.nop == 'pythonloaded':
+        newspr = sprNew(tw,x-20,y-20,tw.media_shapes['pythonloaded'])
+    else:
+        newspr = sprNew(tw,x-20,y-20,proto.image)
     setlayer(newspr,2000)
     tw.dragpos = 20,20
     newspr.type = 'block'
@@ -407,6 +412,14 @@ def load_image(tw, picture, spr):
     else:
         setimage(spr, tw.media_shapes['texton'])
 
+# change the icon for user-defined blocks after Python code is loaded
+def set_userdefined(tw):
+    list = tw.sprites[:]
+    for spr in list:
+        if hasattr(spr,'proto') and spr.proto.name == 'nop':
+            setimage(spr,tw.media_shapes['pythonloaded'])
+    tw.nop = 'pythonloaded'
+
 def snap_to_dock(tw):
     d=200
     me = tw.draggroup[0]
--
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