light9 Changeset - b7e1d080ef64

Changeset - b7e1d080ef64

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drewp@bigasterisk.com - 12 years ago 2013-01-15 21:04:50
drewp@bigasterisk.com

ability to abort a registered drag action
Ignore-this: 281c88d9dc644c3d2ac59f5c1e67e75d

1 file changed with 9 insertions and 4 deletions:

light9/tkdnd.py

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light9/tkdnd.py

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@@ @@ -69,25 +69,30 @@ def initTkdnd(tk, tkdndBuildDir): @@
                 'tkdnd')
 def dragSourceRegister(widget,
                        action='copy', datatype='text/uri-list', data=''):
     """
     if the 'data' param is callable, it will be called every time to
     look up the current data
     look up the current data.
     If the callable returns None (or data is None to begin with), the drag
     """
     widget.tk.call('tkdnd::drag_source', 'register', widget._w)
     # with normal Tkinter bind(), the result of your handler isn't
     # actually returned so the drag doesn't get launched. This is a
     # corrected version of what bind() does when you pass a function,
     # but I don't block my tuple from getting returned (as a tcl list)
     def init():
         return (action, datatype, data() if callable(data) else data)
     funcId = widget._register(init,
         dataValue = data() if callable(data) else data
         if dataValue is None:
             return
         return (action, datatype, dataValue)
     funcId = widget._register(init,
                               widget._substitute,
 # needscleanup
+                              )
     widget.bind("<<DragInitCmd>>", funcId)
 def dropTargetRegister(widget, typeList=None,

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