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-rw-r--r--Lib/lib-tk/Tkinter.py26
1 files changed, 22 insertions, 4 deletions
diff --git a/Lib/lib-tk/Tkinter.py b/Lib/lib-tk/Tkinter.py
index 3e98cd6..e50a412 100644
--- a/Lib/lib-tk/Tkinter.py
+++ b/Lib/lib-tk/Tkinter.py
@@ -714,9 +714,9 @@ class Misc:
size = grid_size
def grid_slaves(self, row=None, column=None):
args = ()
- if row:
+ if row is not None:
args = args + ('-row', row)
- if column:
+ if column is not None:
args = args + ('-column', column)
return map(self._nametowidget,
self.tk.splitlist(self.tk.call(
@@ -1156,6 +1156,7 @@ def At(x, y=None):
return '@' + `x` + ',' + `y`
class Canvas(Widget):
+ _tagcommands = None
def __init__(self, master=None, cnf={}, **kw):
Widget.__init__(self, master, 'canvas', cnf, kw)
def addtag(self, *args):
@@ -1182,8 +1183,16 @@ class Canvas(Widget):
if funcid:
self.deletecommand(funcid)
def tag_bind(self, tagOrId, sequence=None, func=None, add=None):
- return self._bind((self._w, 'bind', tagOrId),
- sequence, func, add)
+ res = self._bind((self._w, 'bind', tagOrId),
+ sequence, func, add)
+ if sequence and func and res:
+ # remember the funcid for later
+ if self._tagcommands is None:
+ self._tagcommands = {}
+ list = self._tagcommands.get(tagOrId) or []
+ self._tagcommands[tagOrId] = list
+ list.append(res)
+ return res
def canvasx(self, screenx, gridspacing=None):
return getdouble(self.tk.call(
self._w, 'canvasx', screenx, gridspacing))
@@ -1227,7 +1236,16 @@ class Canvas(Widget):
def dchars(self, *args):
self.tk.call((self._w, 'dchars') + args)
def delete(self, *args):
+ self._delete_bindings(args)
self.tk.call((self._w, 'delete') + args)
+ def _delete_bindings(self, args):
+ for tag in args:
+ for a in self.tag_bind(tag):
+ b = self.tag_bind(tag, a)
+ c = _string.split(b, '[')[1]
+ d = _string.split(c)[0]
+ print "deletecommand(%s)" % `d`
+ self.deletecommand(d)
def dtag(self, *args):
self.tk.call((self._w, 'dtag') + args)
def find(self, *args):