Moved here from lib-toolbox, where they should never have been in the first place (all the other stuff there wa generated with bgen).

Mac/Lib/MiniAEFrame.py

@@ -0,0 +1,194 @@
+"""MiniAEFrame - A minimal AppleEvent Application framework.
+
+There are two classes:
+	AEServer -- a mixin class offering nice AE handling.
+	MiniApplication -- a very minimal alternative to FrameWork.py,
+		only suitable for the simplest of AppleEvent servers.
+"""
+
+import sys
+import traceback
+import MacOS
+import AE
+from AppleEvents import *
+import Evt
+from Events import *
+import Menu
+import Win
+from Windows import *
+import Qd
+
+import aetools
+import EasyDialogs
+
+kHighLevelEvent = 23				# Not defined anywhere for Python yet?
+
+
+class MiniApplication:
+	
+	"""A minimal FrameWork.Application-like class"""
+	
+	def __init__(self):
+		self.quitting = 0
+		# Initialize menu
+		self.appleid = 1
+		self.quitid = 2
+		Menu.ClearMenuBar()
+		self.applemenu = applemenu = Menu.NewMenu(self.appleid, "\024")
+		applemenu.AppendMenu("%s;(-" % self.getaboutmenutext())
+		if MacOS.runtimemodel == 'ppc':
+			applemenu.AppendResMenu('DRVR')
+		applemenu.InsertMenu(0)
+		self.quitmenu = Menu.NewMenu(self.quitid, "File")
+		self.quitmenu.AppendMenu("Quit")
+		self.quitmenu.SetItemCmd(1, ord("Q"))
+		self.quitmenu.InsertMenu(0)
+		Menu.DrawMenuBar()
+	
+	def __del__(self):
+		self.close()
+	
+	def close(self):
+		pass
+	
+	def mainloop(self, mask = everyEvent, timeout = 60*60):
+		while not self.quitting:
+			self.dooneevent(mask, timeout)
+	
+	def _quit(self):
+		self.quitting = 1
+	
+	def dooneevent(self, mask = everyEvent, timeout = 60*60):
+			got, event = Evt.WaitNextEvent(mask, timeout)
+			if got:
+				self.lowlevelhandler(event)
+	
+	def lowlevelhandler(self, event):
+		what, message, when, where, modifiers = event
+		h, v = where
+		if what == kHighLevelEvent:
+			msg = "High Level Event: %s %s" % \
+				(`code(message)`, `code(h | (v<<16))`)
+			try:
+				AE.AEProcessAppleEvent(event)
+			except AE.Error, err:
+				print 'AE error: ', err
+				print 'in', msg
+				traceback.print_exc()
+			return
+		elif what == keyDown:
+			c = chr(message & charCodeMask)
+			if modifiers & cmdKey:
+				if c == '.':
+					raise KeyboardInterrupt, "Command-period"
+				if c == 'q':
+					MacOS.OutputSeen()
+					self.quitting = 1
+					return
+		elif what == mouseDown:
+			partcode, window = Win.FindWindow(where)
+			if partcode == inMenuBar:
+				result = Menu.MenuSelect(where)
+				id = (result>>16) & 0xffff	# Hi word
+				item = result & 0xffff		# Lo word
+				if id == self.appleid:
+					if item == 1:
+						EasyDialogs.Message(self.getabouttext())
+					elif item > 1 and hasattr(Menu, 'OpenDeskAcc'):
+						name = self.applemenu.GetMenuItemText(item)
+						Menu.OpenDeskAcc(name)
+				elif id == self.quitid and item == 1:
+					MacOS.OutputSeen()
+					self.quitting = 1
+				Menu.HiliteMenu(0)
+				return
+		# Anything not handled is passed to Python/SIOUX
+		MacOS.HandleEvent(event)
+	
+	def getabouttext(self):
+		return self.__class__.__name__
+	
+	def getaboutmenutext(self):
+		return "About %s\311" % self.__class__.__name__
+
+
+class AEServer:
+	
+	def __init__(self):
+		self.ae_handlers = {}
+	
+	def installaehandler(self, classe, type, callback):
+		AE.AEInstallEventHandler(classe, type, self.callback_wrapper)
+		self.ae_handlers[(classe, type)] = callback
+	
+	def close(self):
+		for classe, type in self.ae_handlers.keys():
+			AE.AERemoveEventHandler(classe, type)
+	
+	def callback_wrapper(self, _request, _reply):
+		_parameters, _attributes = aetools.unpackevent(_request)
+		_class = _attributes['evcl'].type
+		_type = _attributes['evid'].type
+		
+		if self.ae_handlers.has_key((_class, _type)):
+			_function = self.ae_handlers[(_class, _type)]
+		elif self.ae_handlers.has_key((_class, '****')):
+			_function = self.ae_handlers[(_class, '****')]
+		elif self.ae_handlers.has_key(('****', '****')):
+			_function = self.ae_handlers[('****', '****')]
+		else:
+			raise 'Cannot happen: AE callback without handler', (_class, _type)
+		
+		# XXXX Do key-to-name mapping here
+		
+		_parameters['_attributes'] = _attributes
+		_parameters['_class'] = _class
+		_parameters['_type'] = _type
+		if _parameters.has_key('----'):
+			_object = _parameters['----']
+			del _parameters['----']
+			# The try/except that used to be here can mask programmer errors.
+			# Let the program crash, the programmer can always add a **args
+			# to the formal parameter list.
+			rv = apply(_function, (_object,), _parameters)
+		else:
+			#Same try/except comment as above
+			rv = apply(_function, (), _parameters)
+		
+		if rv == None:
+			aetools.packevent(_reply, {})
+		else:
+			aetools.packevent(_reply, {'----':rv})
+
+
+def code(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 _Test(AEServer, MiniApplication):
+	"""Mini test application, handles required events"""
+	
+	def __init__(self):
+		MiniApplication.__init__(self)
+		AEServer.__init__(self)
+		self.installaehandler('aevt', 'oapp', self.open_app)
+		self.installaehandler('aevt', 'quit', self.quit)
+		self.installaehandler('****', '****', self.other)
+		self.mainloop()
+
+	def quit(self, **args):
+		self._quit()
+		
+	def open_app(self, **args):
+		pass
+		
+	def other(self, _object=None, _class=None, _type=None, **args):
+		print 'AppleEvent', (_class, _type), 'for', _object, 'Other args:', args
+		
+
+if __name__ == '__main__':
+	_Test()