cpython/Lib/plat-mac/Carbon/ControlAccessor.py

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# Accessor functions for control properties
from Controls import *
import struct
# These needn't go through this module, but are here for completeness
def SetControlData_Handle(control, part, selector, data):
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control.SetControlData_Handle(part, selector, data)
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def GetControlData_Handle(control, part, selector):
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return control.GetControlData_Handle(part, selector)
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_accessdict = {
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kControlPopupButtonMenuHandleTag: (SetControlData_Handle, GetControlData_Handle),
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}
_codingdict = {
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kControlPushButtonDefaultTag : ("b", None, None),
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kControlEditTextTextTag: (None, None, None),
kControlEditTextPasswordTag: (None, None, None),
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kControlPopupButtonMenuIDTag: ("h", None, None),
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kControlListBoxDoubleClickTag: ("b", None, None),
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}
def SetControlData(control, part, selector, data):
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if _accessdict.has_key(selector):
setfunc, getfunc = _accessdict[selector]
setfunc(control, part, selector, data)
return
if not _codingdict.has_key(selector):
raise KeyError, ('Unknown control selector', selector)
structfmt, coder, decoder = _codingdict[selector]
if coder:
data = coder(data)
if structfmt:
data = struct.pack(structfmt, data)
control.SetControlData(part, selector, data)
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def GetControlData(control, part, selector):
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if _accessdict.has_key(selector):
setfunc, getfunc = _accessdict[selector]
return getfunc(control, part, selector, data)
if not _codingdict.has_key(selector):
raise KeyError, ('Unknown control selector', selector)
structfmt, coder, decoder = _codingdict[selector]
data = control.GetControlData(part, selector)
if structfmt:
data = struct.unpack(structfmt, data)
if decoder:
data = decoder(data)
if type(data) == type(()) and len(data) == 1:
data = data[0]
return data