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annotate engine/extensions/pychan/tools.py @ 154:d29593182f40

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- modified clicklabel to provide a mouse listener for hover events - modified clicklabel.i to make new methods available for python - added LabelListener to pychan wrapper, as well as two new methods to Label class to set enter / exit callbacks NOTE:
author chewie@33b003aa-7bff-0310-803a-e67f0ece8222
date Sat, 11 Oct 2008 14:13:56 +0000
parents 9a1529f9625e
children 31718fa356f8
rev   line source
0
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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1 # coding: utf-8
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2
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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3 ### Functools ###
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4
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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5 def applyOnlySuitable(func,**kwargs):
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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6 """
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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7 This nifty little function takes another function and applies it to a dictionary of
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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8 keyword arguments. If the supplied function does not expect one or more of the
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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9 keyword arguments, these are silently discarded. The result of the application is returned.
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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10 This is useful to pass information to callbacks without enforcing a particular signature.
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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11 """
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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12 if hasattr(func,'im_func'):
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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13 code = func.im_func.func_code
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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14 varnames = code.co_varnames[1:code.co_argcount]#ditch bound instance
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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15 else:
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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16 code = func.func_code
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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17 varnames = code.co_varnames[0:code.co_argcount]
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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18
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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19 #http://docs.python.org/lib/inspect-types.html
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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20 if code.co_flags & 8:
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21 return func(**kwargs)
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22 for name,value in kwargs.items():
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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23 if name not in varnames:
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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24 del kwargs[name]
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25 return func(**kwargs)
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26
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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27 def callbackWithArguments(callback,*args,**kwargs):
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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28 """
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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29 Curries a function with extra arguments to
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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30 create a suitable callback.
129
9a1529f9625e * Indentation patch by GreyGhost
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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31
0
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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32 If you don't know what this means, don't worry.
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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33 It is designed for the case where you need
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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34 different buttons to execute basically the same code
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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35 with different argumnets.
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9a1529f9625e * Indentation patch by GreyGhost
mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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36
0
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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37 Usage::
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mvbarracuda@33b003aa-7bff-0310-803a-e67f0ece8222
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38 # The target callback
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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39 def printStuff(text):
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40 print text
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41 # Mapping the events
4a0efb7baf70 * Datasets becomes the new trunk and retires after that :-)
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42 gui.mapEvents({
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43 'buttonHello' : callbackWithArguments(printStuff,"Hello"),
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44 'buttonBye' : callbackWithArguments(printStuff,"Adieu")
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45 })
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46 """
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47 def real_callback():
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48 callback(*args,**kwargs)
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49 return real_callback
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50
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51 def this_is_deprecated(func,message=None):
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52 if message is None:
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53 message = repr(func)
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54 def wrapped_func(*args,**kwargs):
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55 print "PyChan: You are using the DEPRECATED functionality: %s" % message
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56 return func(*args,**kwargs)
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57 return wrapped_func