Initial revision

diff --git a/Tools/pynche/TypeinViewer.py b/Tools/pynche/TypeinViewer.py
new file mode 100644 (file)
index 0000000..64ff9f3
--- /dev/null
+++ b/Tools/pynche/TypeinViewer.py
@@ -0,0 +1,90 @@
+from Tkinter import *
+import Pmw
+
+class TypeinWidget(Pmw.MegaWidget):
+    def __init__(self, parent=None, **kw):
+       options = (('delegate', None, None),
+                  ('color', (128, 128, 128), self.__set_color),
+                  )
+       self.defineoptions(kw, options)
+
+       Pmw.MegaWidget.__init__(self,parent)
+       interiorarg = (self.interior(),)
+
+       # create the x, y, and z label
+       self.__x = self.createcomponent(
+           'x', (), None,
+           Pmw.EntryField, interiorarg,
+           label_text='Red',
+           labelpos=E,
+           maxwidth=4,
+           validate=self.__validate,
+           modifiedcommand=self.__modified)
+       self.__x.grid(row=0, column=0)
+
+       self.__y = self.createcomponent(
+           'y', (), None,
+           Pmw.EntryField, interiorarg,
+           label_text='Green',
+           labelpos=E,
+           maxwidth=4,
+           validate=self.__validate,
+           modifiedcommand=self.__modified)
+       self.__y.grid(row=1, column=0)
+
+       self.__z = self.createcomponent(
+           'z', (), None,
+           Pmw.EntryField, interiorarg,
+           label_text='Blue',
+           labelpos=E,
+           maxwidth=4,
+           validate=self.__validate,
+           modifiedcommand=self.__modified)
+       self.__z.grid(row=2, column=0)
+
+       # TBD: gross hack, fix later
+       self.__initializing = 1
+       # Check keywords and initialize options
+       self.initialiseoptions(TypeinWidget)
+       # TBD: gross hack, fix later
+       self.__initializing = 0
+
+    # public set color interface
+    def set_color(self, red, green, blue):
+       self.__x.configure(label_text=`red`)
+       self.__y.configure(label_text=`green`)
+       self.__z.configure(label_text=`blue`)
+       # dispatch to the delegate
+       delegate = self['delegate']
+       if delegate:
+           delegate.set_color(red, green, blue)
+           
+    # called to validate the entry text
+    SAFE_EVAL = {'__builtins__': {}}
+    def __str_to_int(self, text):
+       try:
+           val = eval(text, self.SAFE_EVAL, {})
+           return val
+       except:
+           return None
+
+    def __validate(self, text):
+       val = self.__str_to_int(text)
+       if val and val >= 0 and val < 256:
+           return 1
+       else:
+           return -1
+
+    # called whenever a text entry is modified
+    def __modified(self):
+       # these are guaranteed to be valid, right?
+       red = self.__str_to_int(self.__x['value'])
+       green = self.__str_to_int(self.__y['value'])
+       blue = self.__str_to_int(self.__z['value'])
+       self.set_color(red, green, blue)
+
+    # called whenever the color option is changed
+    def __set_color(self):
+       red, green, blue = self['color']
+       if not self.__initializing:
+           self.set_color(red, green, blue)