1 # Accessor functions for control properties

     2 

     3 from Controls import *

     4 import struct

     5 

     6 # These needn't go through this module, but are here for completeness

     7 def SetControlData_Handle(control, part, selector, data):

     8     control.SetControlData_Handle(part, selector, data)

     9 

    10 def GetControlData_Handle(control, part, selector):

    11     return control.GetControlData_Handle(part, selector)

    12 

    13 _accessdict = {

    14     kControlPopupButtonMenuHandleTag: (SetControlData_Handle, GetControlData_Handle),

    15 }

    16 

    17 _codingdict = {

    18     kControlPushButtonDefaultTag : ("b", None, None),

    19 

    20     kControlEditTextTextTag: (None, None, None),

    21     kControlEditTextPasswordTag: (None, None, None),

    22 

    23     kControlPopupButtonMenuIDTag: ("h", None, None),

    24 

    25     kControlListBoxDoubleClickTag: ("b", None, None),

    26 }

    27 

    28 def SetControlData(control, part, selector, data):

    29     if _accessdict.has_key(selector):

    30         setfunc, getfunc = _accessdict[selector]

    31         setfunc(control, part, selector, data)

    32         return

    33     if not _codingdict.has_key(selector):

    34         raise KeyError, ('Unknown control selector', selector)

    35     structfmt, coder, decoder = _codingdict[selector]

    36     if coder:

    37         data = coder(data)

    38     if structfmt:

    39         data = struct.pack(structfmt, data)

    40     control.SetControlData(part, selector, data)

    41 

    42 def GetControlData(control, part, selector):

    43     if _accessdict.has_key(selector):

    44         setfunc, getfunc = _accessdict[selector]

    45         return getfunc(control, part, selector, data)

    46     if not _codingdict.has_key(selector):

    47         raise KeyError, ('Unknown control selector', selector)

    48     structfmt, coder, decoder = _codingdict[selector]

    49     data = control.GetControlData(part, selector)

    50     if structfmt:

    51         data = struct.unpack(structfmt, data)

    52     if decoder:

    53         data = decoder(data)

    54     if type(data) == type(()) and len(data) == 1:

    55         data = data[0]

    56     return data