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* Tkinter.py (Canvas): made create_ methods return the item id;

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flatten argument list to _create before passing on to tk.call;
	_do should return a value.
This commit is contained in:
Guido van Rossum 1994-06-20 13:39:14 +00:00
parent 45853db868
commit 67ef5f3fb6
2 changed files with 42 additions and 20 deletions
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31
Lib/tkinter/Tkinter.py
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@ -11,6 +11,8 @@ def _isfunctype(func):
FunctionType = type(_isfunctype)
ClassType = type(_Dummy)
MethodType = type(_Dummy.meth)
TupleType = type(())
ListType = type([])
def _tkerror(err):
pass
@ -518,7 +520,7 @@ class Widget(Misc, Pack, Place):
del self.master.children[self._name]
self.tk.call('destroy', self._w)
def _do(self, name, args=()):
apply(self.tk.call, (self._w, name) + args)
return apply(self.tk.call, (self._w, name) + args)
class Toplevel(Widget, Wm):
def __init__(self, master=None, cnf={}):
@ -594,26 +596,26 @@ class Canvas(Widget):
args = args[:-1]
else:
cnf = {}
v = (self._w, 'create', itemType) + args
v = (self._w, 'create', itemType) + _flatten(args)
for k in cnf.keys():
v = v + ('-' + k, cnf[k])
return self.tk.getint(apply(self.tk.call, v))
def create_arc(self, *args):
Canvas._create(self, 'arc', args)
return Canvas._create(self, 'arc', args)
def create_bitmap(self, *args):
Canvas._create(self, 'bitmap', args)
return Canvas._create(self, 'bitmap', args)
def create_line(self, *args):
Canvas._create(self, 'line', args)
return Canvas._create(self, 'line', args)
def create_oval(self, *args):
Canvas._create(self, 'oval', args)
return Canvas._create(self, 'oval', args)
def create_polygon(self, *args):
Canvas._create(self, 'polygon', args)
return Canvas._create(self, 'polygon', args)
def create_rectangle(self, *args):
Canvas._create(self, 'rectangle', args)
return Canvas._create(self, 'rectangle', args)
def create_text(self, *args):
Canvas._create(self, 'text', args)
return Canvas._create(self, 'text', args)
def create_window(self, *args):
Canvas._create(self, 'window', args)
return Canvas._create(self, 'window', args)
def dchars(self, *args):
self._do('dchars', args)
def delete(self, *args):
@ -670,6 +672,15 @@ class Canvas(Widget):
def yview(self, index):
self.tk.call(self._w, 'yview', index)
def _flatten(tuple):
res = ()
for item in tuple:
if type(item) in (TupleType, ListType):
res = res + _flatten(item)
else:
res = res + (item,)
return res
class Checkbutton(Widget):
def __init__(self, master=None, cnf={}):
Widget.__init__(self, master, 'checkbutton', cnf)