mirror of https://github.com/python/cpython
two new modules for the Mac toolbox
This commit is contained in:
Guido van Rossum
parent
a075feba1e
commit
8f4b6adb77
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@ -0,0 +1,110 @@
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"""Easy to use dialogs.
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Message(msg) -- display a message and an OK button.
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AskString(prompt, default) -- ask for a string, display OK and Cancel buttons.
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AskYesNoCancel(question, default) -- display a question and Yes, No and Cancel buttons.
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More documentation in each function.
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This module uses DLOG resources 256, 257 and 258.
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Based upon STDWIN dialogs with the same names and functions.
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"""
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from Dlg import GetNewDialog, SetIText, GetIText, ModalDialog
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def Message(msg):
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"""Display a MESSAGE string.
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Return when the user clicks the OK button or presses Return.
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The MESSAGE string can be at most 255 characters long.
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"""
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id = 256
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d = GetNewDialog(id, -1)
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if not d:
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print "Can't get DLOG resource with id =", id
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return
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tp, h, rect = d.GetDItem(2)
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SetIText(h, msg)
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while 1:
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n = ModalDialog(None)
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if n == 1:
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return
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def AskString(prompt, default = ""):
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"""Display a PROMPT string and a text entry field with a DEFAULT string.
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Return the contents of the text entry field when the user clicks the
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OK button or presses Return.
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Return None when the user clicks the Cancel button.
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If omitted, DEFAULT is empty.
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The PROMPT and DEFAULT strings, as well as the return value,
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can be at most 255 characters long.
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"""
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id = 257
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d = GetNewDialog(id, -1)
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if not d:
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print "Can't get DLOG resource with id =", id
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return
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tp, h, rect = d.GetDItem(3)
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SetIText(h, prompt)
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tp, h, rect = d.GetDItem(4)
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SetIText(h, default)
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d.SelIText(4, 0, 255)
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while 1:
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n = ModalDialog(None)
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if n == 1:
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tp, h, rect = d.GetDItem(4)
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return GetIText(h)
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if n == 2: return None
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def AskYesNoCancel(question, default = 0):
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## """Display a QUESTION string which can be answered with Yes or No.
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##
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## Return 1 when the user clicks the Yes button.
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## Return 0 when the user clicks the No button.
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## Return -1 when the user clicks the Cancel button.
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##
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## When the user presses Return, the DEFAULT value is returned.
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## If omitted, this is 0 (No).
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##
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## The QUESTION strign ca be at most 255 characters.
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## """
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id = 258
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d = GetNewDialog(id, -1)
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if not d:
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print "Can't get DLOG resource with id =", id
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return
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# Button assignments:
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# 1 = default (invisible)
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# 2 = Yes
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# 3 = No
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# 4 = Cancel
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# The question string is item 5
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tp, h, rect = d.GetDItem(5)
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SetIText(h, question)
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while 1:
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n = ModalDialog(None)
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if n == 1: return default
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if n == 2: return 1
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if n == 3: return 0
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if n == 4: return -1
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def test():
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Message("Testing EasyDialogs.")
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ok = AskYesNoCancel("Do you want to proceed?")
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if ok > 0:
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s = AskString("Enter your first name")
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Message("Thank you,\015%s" % `s`)
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if __name__ == '__main__':
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test()
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@ -0,0 +1,480 @@
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"A sort of application framework for the Mac"
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import MacOS
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import traceback
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from addpack import addpack
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addpack('Demo')
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addpack('bgen')
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addpack('ae')
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#addpack('ctl')
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addpack('dlg')
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addpack('evt')
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addpack('menu')
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#addpack('qd')
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#addpack('res')
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#addpack('snd')
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addpack('win')
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from AE import *
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from AppleEvents import *
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#from Ctl import *
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#from Controls import *
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from Dlg import *
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from Dialogs import *
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from Evt import *
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from Events import *
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from Menu import *
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from Menus import *
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#from Qd import *
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#from QuickDraw import *
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#from Res import *
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#from Resources import *
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#from Snd import *
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#from Sound import *
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from Win import *
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from Windows import *
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import EasyDialogs
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kHighLevelEvent = 23 # Don't know what header file this should come from
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# Map event 'what' field to strings
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eventname = {}
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eventname[1] = 'mouseDown'
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eventname[2] = 'mouseUp'
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eventname[3] = 'keyDown'
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eventname[4] = 'keyUp'
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eventname[5] = 'autoKey'
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eventname[6] = 'updateEvt'
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eventname[7] = 'diskEvt'
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eventname[8] = 'activateEvt'
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eventname[15] = 'osEvt'
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eventname[23] = 'kHighLevelEvent'
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# Map part codes returned by WhichWindow() to strings
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partname = {}
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partname[0] = 'inDesk'
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partname[1] = 'inMenuBar'
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partname[2] = 'inSysWindow'
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partname[3] = 'inContent'
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partname[4] = 'inDrag'
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partname[5] = 'inGrow'
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partname[6] = 'inGoAway'
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partname[7] = 'inZoomIn'
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partname[8] = 'inZoomOut'
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# A rectangle that's bigger than the screen,
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# but not so big that adding the screen size to it will cause 16-bit overflow
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everywhere = (-16000, -16000, 16000, 16000)
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class Application:
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"Application framework -- your application should be a derived class"
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def __init__(self):
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self.makemenubar()
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def makemenubar(self):
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self.menubar = MenuBar()
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AppleMenu(self.menubar, self.getabouttext(), self.do_about)
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self.makeusermenus()
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def getabouttext(self):
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return "About %s..." % self.__class__.__name__
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def do_about(self, id, item, window, event):
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EasyDialogs.Message("Hello, world!" + "\015(%s)" % self.__class__.__name__)
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# The main event loop is broken up in several simple steps.
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# This is done so you can override each individual part,
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# if you have a need to do extra processing independent of the
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# event type.
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# Normally, however, you'd just define handlers for individual
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# events.
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# (XXX I'm not sure if using default parameter values is the right
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# way to define the mask and wait time passed to WaitNextEvent.)
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def mainloop(self, mask = everyEvent, wait = 0):
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saveyield = MacOS.EnableAppswitch(self.yield)
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try:
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while 1:
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try:
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self.do1event(mask, wait)
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except (Application, SystemExit):
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break
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finally:
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MacOS.EnableAppswitch(saveyield)
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yield = -1
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def do1event(self, mask = everyEvent, wait = 0):
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event = self.getevent(mask, wait)
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if event:
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self.dispatch(event)
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def getevent(self, mask = everyEvent, wait = 0):
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ok, event = WaitNextEvent(mask, wait)
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if ok:
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return event
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else:
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return None
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def dispatch(self, event):
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(what, message, when, where, modifiers) = event
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if eventname.has_key(what):
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name = "do_" + eventname[what]
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else:
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name = "do_%d" % what
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try:
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handler = getattr(self, name)
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except AttributeError:
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handler = self.do_unknownevent
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handler(event)
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def do_mouseDown(self, event):
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(what, message, when, where, modifiers) = event
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partcode, window = FindWindow(where)
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if partname.has_key(partcode):
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name = "do_" + partname[partcode]
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else:
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name = "do_%d" % partcode
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try:
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handler = getattr(self, name)
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except AttrinuteError:
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handler = self.do_unknownpartcode
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handler(partcode, window, event)
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def do_inDrag(self, partcode, window, event):
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window.DragWindow(where, self.draglimit)
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draglimit = everywhere
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def do_inGoAway(self, partcode, window, event):
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if window.TrackGoAway(where):
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self.do_close(window)
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def do_close(self, window):
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print "Should close window:", window
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def do_inZoom(self, partcode, window, event):
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(what, message, when, where, modifiers) = event
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if window.TrackBox(where, partcode):
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window.ZoomWindow(partcode, 1)
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def do_inZoomIn(self, partcode, window, event):
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SetPort(window) # !!!
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self.do_inZoom(partcode, window, event)
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def do_inZoomOut(self, partcode, window, event):
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SetPort(window) # !!!
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self.do_inZoom(partcode, window, event)
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def do_inSysWindow(self, partcode, window, event):
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print "SystemClick", event, window
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# SystemClick(event, window) # XXX useless, window is None
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def do_inDesk(self, partcode, window, event):
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print "inDesk"
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# XXX what to do with it?
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def do_inMenuBar(self, partcode, window, event):
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(what, message, when, where, modifiers) = event
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result = MenuSelect(where)
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id = (result>>16) & 0xffff # Hi word
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item = result & 0xffff # Lo word
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self.do_rawmenu(id, item, window, event)
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def do_rawmenu(self, id, item, window, event):
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try:
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self.do_menu(id, item, window, event)
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finally:
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HiliteMenu(0)
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def do_menu(self, id, item, window, event):
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self.menubar.dispatch(id, item, window, event)
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def do_inGrow(self, partcode, window, event):
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(what, message, when, where, modifiers) = event
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result = window.GrowWindow(where, self.growlimit)
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if result:
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height = (result>>16) & 0xffff # Hi word
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width = result & 0xffff # Lo word
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self.do_resize(width, height, window)
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growlimit = everywhere
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def do_resize(self, width, height, window):
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window.SizeWindow(width, height, 0)
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self.do_postresize(width, height, window)
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def do_postresize(self, width, height, window):
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SetPort(window)
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InvalRect(everywhere)
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def do_inContent(self, partcode, window, event):
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(what, message, when, where, modifiers) = event
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local = GlobalToLocal(where)
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ctltype, control = FindControl(local, window)
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if ctltype and control:
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pcode = control.TrackControl(local)
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if pcode:
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self.do_controlhit(window, control, pcode, event)
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else:
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print "FindControl(%s, %s) -> (%s, %s)" % \
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(local, window, ctltype, control)
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def do_controlhit(self, window, control, pcode, event):
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print "control hit in", window, "on", control, "; pcode =", pcode
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def do_unknownpartcode(self, partcode, window, event):
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(what, message, when, where, modifiers) = event
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print "Mouse down at global:", where
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print "\tUnknown part code:", partcode
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def do_keyDown(self, event):
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self.do_key(event)
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def do_autoKey(self, event):
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if not event[-1] & cmdKey:
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self.do_key(event)
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def do_key(self, event):
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(what, message, when, where, modifiers) = event
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c = chr(message & charCodeMask)
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if modifiers & cmdKey:
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if c == '.':
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raise self
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else:
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result = MenuKey(ord(c))
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id = (result>>16) & 0xffff # Hi word
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item = result & 0xffff # Lo word
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if id:
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self.do_rawmenu(id, item, None, event)
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elif c == 'w':
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w = FrontWindow()
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if w:
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self.do_close(w)
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else:
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print 'Command-W without front window'
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else:
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print "Command-" +`c`
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else:
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self.do_char(c, event)
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def do_char(self, c, event):
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print "Character", `c`
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def do_updateEvt(self, event):
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print "do_update",
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self.printevent(event)
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window = FrontWindow() # XXX This is wrong!
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if window:
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self.do_rawupdate(window, event)
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else:
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print "no window for do_updateEvt"
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def do_rawupdate(self, window, event):
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print "raw update for", window
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window.BeginUpdate()
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self.do_update(window, event)
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DrawControls(window)
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window.DrawGrowIcon()
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window.EndUpdate()
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def do_update(self, window, event):
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EraseRect(everywhere)
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def do_kHighLevelEvent(self, event):
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(what, message, when, where, modifiers) = event
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print "High Level Event:",
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self.printevent(event)
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try:
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AEProcessAppleEvent(event)
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except:
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print "AEProcessAppleEvent error:"
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traceback.print_exc()
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def do_unknownevent(self, event):
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print "Unknown event:",
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self.printevent(event)
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def printevent(self, event):
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(what, message, when, where, modifiers) = event
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nicewhat = `what`
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if eventname.has_key(what):
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nicewhat = eventname[what]
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print nicewhat,
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if what == kHighLevelEvent:
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h, v = where
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print `ostypecode(message)`, hex(when), `ostypecode(h | (v<<16))`,
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else:
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print hex(message), hex(when), where,
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print hex(modifiers)
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class MenuBar:
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"""Represent a set of menus in a menu bar.
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Interface:
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- (constructor)
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- (destructor)
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- addmenu
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- addpopup (normally used internally)
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- dispatch (called from Application)
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"""
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nextid = 1 # Necessarily a class variable
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def getnextid(self):
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id = self.nextid
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self.nextid = id+1
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return id
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def __init__(self):
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ClearMenuBar()
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self.bar = GetMenuBar()
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self.menus = {}
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def addmenu(self, title, after = 0):
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id = self.getnextid()
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m = NewMenu(id, title)
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m.InsertMenu(after)
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DrawMenuBar()
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return id, m
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def addpopup(self, title = ''):
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return self.addmenu(title, -1)
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def install(self):
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self.bar.SetMenuBar()
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DrawMenuBar()
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def dispatch(self, id, item, window, event):
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if self.menus.has_key(id):
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self.menus[id].dispatch(id, item, window, event)
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else:
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print "MenuBar.dispatch(%d, %d, %s, %s)" % \
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(id, item, window, event)
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# XXX Need a way to get menus as resources and bind them to callbacks
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class Menu:
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"One menu."
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def __init__(self, bar, title, after=0):
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self.bar = bar
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self.id, self.menu = self.bar.addmenu(title, after)
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bar.menus[self.id] = self
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self.items = []
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def additem(self, label, shortcut=None, callback=None, kind=None):
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self.menu.AppendMenu('x') # add a dummy string
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self.items.append(label, shortcut, callback, kind)
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item = len(self.items)
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self.menu.SetItem(item, label) # set the actual text
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if shortcut:
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self.menu.SetItemCmd(item, ord(shortcut))
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return item
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def addcheck(self, label, shortcut=None, callback=None):
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return self.additem(label, shortcut, callback, 'check')
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def addradio(self, label, shortcut=None, callback=None):
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return self.additem(label, shortcut, callback, 'radio')
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def addseparator(self):
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self.menu.AppendMenu('(-')
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self.items.append('', None, None, 'separator')
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def addsubmenu(self, label, title=''):
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sub = Menu(self.bar, title, -1)
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item = self.additem(label, '\x1B', None, 'submenu')
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self.menu.SetItemMark(item, sub.id)
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return sub
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|
||||
def dispatch(self, id, item, window, event):
|
||||
title, shortcut, callback, type = self.items[item-1]
|
||||
if callback:
|
||||
callback(id, item, window, event)
|
||||
|
||||
|
||||
class MenuItem:
|
||||
def __init__(self, menu, title, shortcut=None, callback=None, kind=None):
|
||||
self.item = menu.additem(title, shortcut, callback)
|
||||
|
||||
class RadioItem(MenuItem):
|
||||
def __init__(self, menu, title, shortcut=None, callback=None):
|
||||
MenuItem.__init__(self, menu, title, shortcut, callback, 'radio')
|
||||
|
||||
class CheckItem(MenuItem):
|
||||
def __init__(self, menu, title, shortcut=None, callback=None):
|
||||
MenuItem.__init__(self, menu, title, shortcut, callback, 'check')
|
||||
|
||||
def Separator(menu):
|
||||
menu.addseparator()
|
||||
|
||||
def SubMenu(menu, label, title=''):
|
||||
return menu.addsubmenu(label, title)
|
||||
|
||||
|
||||
class AppleMenu(Menu):
|
||||
|
||||
def __init__(self, bar, abouttext="About me...", aboutcallback=None):
|
||||
Menu.__init__(self, bar, "\024")
|
||||
self.additem(abouttext, None, aboutcallback)
|
||||
self.addseparator()
|
||||
self.menu.AddResMenu('DRVR')
|
||||
|
||||
def dispatch(self, id, item, window, event):
|
||||
if item == 1:
|
||||
Menu.dispatch(self, id, item, window, event)
|
||||
else:
|
||||
name = self.menu.GetItem(item)
|
||||
OpenDeskAcc(name)
|
||||
|
||||
|
||||
def ostypecode(x):
|
||||
"Convert a long int to the 4-character code it really is"
|
||||
s = ''
|
||||
for i in range(4):
|
||||
x, c = divmod(x, 256)
|
||||
s = chr(c) + s
|
||||
return s
|
||||
|
||||
|
||||
class TestApp(Application):
|
||||
|
||||
"This class is used by the test() function"
|
||||
|
||||
def makeusermenus(self):
|
||||
self.filemenu = m = Menu(self.menubar, "File")
|
||||
self.saveitem = MenuItem(m, "Save", "S", self.save)
|
||||
Separator(m)
|
||||
self.optionsmenu = mm = SubMenu(m, "Options")
|
||||
self.opt1 = CheckItem(mm, "Arguments")
|
||||
self.opt2 = CheckItem(mm, "Being hit on the head lessons")
|
||||
self.opt3 = CheckItem(mm, "Complaints")
|
||||
Separator(m)
|
||||
self.quititem = MenuItem(m, "Quit", "Q", self.quit)
|
||||
|
||||
def save(self, *args):
|
||||
print "Save"
|
||||
|
||||
def quit(self, *args):
|
||||
raise self
|
||||
|
||||
|
||||
def test():
|
||||
"Test program"
|
||||
app = TestApp()
|
||||
app.mainloop()
|
||||
|
||||
|
||||
if __name__ == '__main__':
|
||||
test()
|
||||
Loading…
Reference in New Issue