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			794 lines
		
	
	
	
		
			22 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			794 lines
		
	
	
	
		
			22 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
| from Carbon import App, Evt, Qd, QuickDraw, Win
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| import string
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| from types import *
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| import sys
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| 
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| class WidgetsError(Exception): pass
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| 
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| DEBUG = 0
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| 
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| 
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| class Widget:
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| 	
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| 	"""Base class for all widgets."""
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| 	
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| 	_selectable = 0
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| 	
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| 	def __init__(self, possize):
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| 		self._widgets = []
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| 		self._widgetsdict = {}
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| 		self._possize = possize
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| 		self._bounds = None
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| 		self._visible = 1
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| 		self._enabled = 0
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| 		self._selected = 0
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| 		self._activated = 0
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| 		self._callback = None
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| 		self._parent = None
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| 		self._parentwindow = None
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| 		self._bindings = {}
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| 		self._backcolor = None
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| 	
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| 	def show(self, onoff):
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| 		self._visible = onoff
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| 		for w in self._widgets:
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| 			w.show(onoff)
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| 		if self._parentwindow is not None and self._parentwindow.wid is not None:
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| 			self.SetPort()
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| 			if onoff:
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| 				self.draw()
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| 			else:
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| 				Qd.EraseRect(self._bounds)
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| 	
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| 	def draw(self, visRgn = None):
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| 		if self._visible:
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| 			# draw your stuff here
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| 			pass
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| 	
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| 	def getpossize(self):
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| 		return self._possize
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| 	
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| 	def getbounds(self):
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| 		return self._bounds
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| 	
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| 	def move(self, x, y = None):
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| 		"""absolute move"""
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| 		if y == None:
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| 			x, y = x
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| 		if type(self._possize) <> TupleType:
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| 			raise WidgetsError, "can't move widget with bounds function"
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| 		l, t, r, b = self._possize
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| 		self.resize(x, y, r, b)
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| 	
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| 	def rmove(self, x, y = None):
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| 		"""relative move"""
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| 		if y == None:
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| 			x, y = x
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| 		if type(self._possize) <> TupleType:
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| 			raise WidgetsError, "can't move widget with bounds function"
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| 		l, t, r, b = self._possize
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| 		self.resize(l + x, t + y, r, b)
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| 		
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| 	def resize(self, *args):
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| 		if len(args) == 1:
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| 			if type(args[0]) == FunctionType or type(args[0]) == MethodType:
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| 				self._possize = args[0]
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| 			else:
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| 				apply(self.resize, args[0])
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| 		elif len(args) == 2:
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| 			self._possize = (0, 0) + args
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| 		elif len(args) == 4:
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| 			self._possize = args
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| 		else:
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| 			raise TypeError, "wrong number of arguments"
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| 		self._calcbounds()
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| 	
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| 	def open(self):
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| 		self._calcbounds()
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| 	
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| 	def close(self):
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| 		del self._callback
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| 		del self._possize
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| 		del self._bindings
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| 		del self._parent
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| 		del self._parentwindow
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| 	
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| 	def bind(self, key, callback):
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| 		"""bind a key or an 'event' to a callback"""
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| 		if callback:
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| 			self._bindings[key] = callback
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| 		elif self._bindings.has_key(key):
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| 			del self._bindings[key]
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| 	
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| 	def adjust(self, oldbounds):
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| 		self.SetPort()
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| 		self.GetWindow().InvalWindowRect(oldbounds)
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| 		self.GetWindow().InvalWindowRect(self._bounds)
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| 	
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| 	def _calcbounds(self):
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| 		# calculate absolute bounds relative to the window origin from our
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| 		# abstract _possize attribute, which is either a 4-tuple or a callable object
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| 		oldbounds = self._bounds
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| 		pl, pt, pr, pb = self._parent._bounds
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| 		if callable(self._possize):
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| 			# _possize is callable, let it figure it out by itself: it should return 
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| 			# the bounds relative to our parent widget.
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| 			width = pr - pl
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| 			height = pb - pt
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| 			self._bounds = Qd.OffsetRect(self._possize(width, height), pl, pt)
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| 		else:
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| 			# _possize must be a 4-tuple. This is where the algorithm by Peter Kriens and
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| 			# Petr van Blokland kicks in. (*** Parts of this algorithm are applied for 
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| 			# patents by Ericsson, Sweden ***)
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| 			l, t, r, b = self._possize
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| 			# depending on the values of l(eft), t(op), r(right) and b(ottom), 
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| 			# they mean different things:
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| 			if l < -1:
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| 				# l is less than -1, this mean it measures from the *right* of it's parent
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| 				l = pr + l
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| 			else:
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| 				# l is -1 or greater, this mean it measures from the *left* of it's parent
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| 				l = pl + l
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| 			if t < -1:
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| 				# t is less than -1, this mean it measures from the *bottom* of it's parent
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| 				t = pb + t
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| 			else:
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| 				# t is -1 or greater, this mean it measures from the *top* of it's parent
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| 				t = pt + t
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| 			if r > 1:
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| 				# r is greater than 1, this means r is the *width* of the widget
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| 				r = l + r
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| 			else:
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| 				# r is less than 1, this means it measures from the *right* of it's parent
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| 				r = pr + r
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| 			if b > 1:
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| 				# b is greater than 1, this means b is the *height* of the widget
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| 				b = t + b
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| 			else:
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| 				# b is less than 1, this means it measures from the *bottom* of it's parent
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| 				b = pb + b
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| 			self._bounds = (l, t, r, b)
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| 		if oldbounds and oldbounds <> self._bounds:
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| 			self.adjust(oldbounds)
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| 		for w in self._widgets:
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| 			w._calcbounds()
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| 	
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| 	def test(self, point):
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| 		if Qd.PtInRect(point, self._bounds):
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| 			return 1
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| 	
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| 	def click(self, point, modifiers):
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| 		pass
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| 	
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| 	def findwidget(self, point, onlyenabled = 1):
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| 		if self.test(point):
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| 			for w in self._widgets:
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| 				widget = w.findwidget(point)
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| 				if widget is not None:
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| 					return widget
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| 			if self._enabled or not onlyenabled:
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| 				return self
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| 	
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| 	def forall(self, methodname, *args):
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| 		for w in self._widgets:
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| 			rv = apply(w.forall, (methodname,) + args)
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| 			if rv: 
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| 				return rv
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| 		if self._bindings.has_key("<" + methodname + ">"):
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| 			callback = self._bindings["<" + methodname + ">"]
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| 			rv = apply(callback, args)
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| 			if rv: 
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| 				return rv
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| 		if hasattr(self, methodname):
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| 			method = getattr(self, methodname)
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| 			return apply(method, args)
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| 	
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| 	def forall_butself(self, methodname, *args):
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| 		for w in self._widgets:
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| 			rv = apply(w.forall, (methodname,) + args)
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| 			if rv: 
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| 				return rv
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| 	
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| 	def forall_frombottom(self, methodname, *args):
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| 		if self._bindings.has_key("<" + methodname + ">"):
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| 			callback = self._bindings["<" + methodname + ">"]
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| 			rv = apply(callback, args)
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| 			if rv: 
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| 				return rv
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| 		if hasattr(self, methodname):
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| 			method = getattr(self, methodname)
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| 			rv = apply(method, args)
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| 			if rv: 
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| 				return rv
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| 		for w in self._widgets:
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| 			rv = apply(w.forall_frombottom, (methodname,) + args)
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| 			if rv: 
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| 				return rv
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| 	
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| 	def _addwidget(self, key, widget):
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| 		if widget in self._widgets:
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| 			raise ValueError, "duplicate widget"
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| 		if self._widgetsdict.has_key(key):
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| 			self._removewidget(key)
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| 		self._widgets.append(widget)
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| 		self._widgetsdict[key] = widget
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| 		widget._parent = self
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| 		self._setparentwindow(widget)
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| 		if self._parentwindow and self._parentwindow.wid:
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| 			widget.forall_frombottom("open")
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| 			self.GetWindow().InvalWindowRect(widget._bounds)
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| 	
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| 	def _setparentwindow(self, widget):
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| 		widget._parentwindow = self._parentwindow
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| 		for w in widget._widgets:
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| 			self._setparentwindow(w)
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| 	
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| 	def _removewidget(self, key):
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| 		if not self._widgetsdict.has_key(key):
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| 			raise KeyError, "no widget with key " + `key`
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| 		widget = self._widgetsdict[key]
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| 		for k in widget._widgetsdict.keys():
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| 			widget._removewidget(k)
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| 		if self._parentwindow._currentwidget == widget:
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| 			widget.select(0)
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| 			self._parentwindow._currentwidget = None
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| 		self.SetPort()
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| 		self.GetWindow().InvalWindowRect(widget._bounds)
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| 		widget.close()
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| 		del self._widgetsdict[key]
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| 		self._widgets.remove(widget)
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| 	
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| 	def __setattr__(self, attr, value):
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| 		if type(value) == InstanceType and isinstance(value, Widget) and	\
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| 				attr not in ("_currentwidget", "_lastrollover", 
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| 				"_parent", "_parentwindow", "_defaultbutton"):
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| 			if hasattr(self, attr):
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| 				raise ValueError, "Can't replace existing attribute: " + attr
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| 			self._addwidget(attr, value)
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| 		self.__dict__[attr] = value
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| 	
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| 	def __delattr__(self, attr):
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| 		if attr == "_widgetsdict":
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| 			raise AttributeError, "cannot delete attribute _widgetsdict"
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| 		if self._widgetsdict.has_key(attr):
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| 			self._removewidget(attr)
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| 			if self.__dict__.has_key(attr):
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| 				del self.__dict__[attr]
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| 		elif self.__dict__.has_key(attr):
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| 			del self.__dict__[attr]
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| 		else:
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| 			raise AttributeError, attr
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| 	
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| 	def __setitem__(self, key, value):
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| 		self._addwidget(key, value)
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| 	
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| 	def __getitem__(self, key):
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| 		if not self._widgetsdict.has_key(key):
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| 			raise KeyError, key
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| 		return self._widgetsdict[key]
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| 	
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| 	def __delitem__(self, key):
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| 		self._removewidget(key)
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| 	
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| 	def SetPort(self):
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| 		self._parentwindow.SetPort()
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| 		
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| 
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| 	def GetWindow(self):
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| 		return self._parentwindow.GetWindow()
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| 		
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| 	def __del__(self):
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| 		if DEBUG:
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| 			print "%s instance deleted" % self.__class__.__name__
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| 	
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| 	def _drawbounds(self):
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| 		Qd.FrameRect(self._bounds)
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| 
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| 
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| class ClickableWidget(Widget):
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| 	
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| 	"""Base class for clickable widgets. (note: self._enabled must be true to receive click events.)"""
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| 	
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| 	def click(self, point, modifiers):
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| 		pass
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| 	
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| 	def enable(self, onoff):
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| 		self._enabled = onoff
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| 		self.SetPort()
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| 		self.draw()
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| 	
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| 	def callback(self):
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| 		if self._callback:
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| 			return CallbackCall(self._callback, 1)
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| 	
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| 
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| class SelectableWidget(ClickableWidget):
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| 
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| 	"""Base class for selectable widgets."""
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| 	
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| 	_selectable = 1
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| 	
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| 	def select(self, onoff, isclick = 0):
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| 		if onoff == self._selected:
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| 			return 1
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| 		if self._bindings.has_key("<select>"):
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| 			callback = self._bindings["<select>"]
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| 			if callback(onoff):
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| 				return 1
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| 		self._selected = onoff
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| 		if onoff:
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| 			if self._parentwindow._currentwidget is not None:
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| 				self._parentwindow._currentwidget.select(0)
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| 			self._parentwindow._currentwidget = self
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| 		else:
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| 			self._parentwindow._currentwidget = None
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| 	
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| 	def key(self, char, event):
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| 		pass
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| 	
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| 	def drawselframe(self, onoff):
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| 		if not self._parentwindow._hasselframes:
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| 			return
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| 		App.DrawThemeFocusRect(self._bounds, onoff)
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| 	
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| 	def adjust(self, oldbounds):
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| 		self.SetPort()
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| 		if self._selected:
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| 			self.GetWindow().InvalWindowRect(Qd.InsetRect(oldbounds, -3, -3))
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| 			self.GetWindow().InvalWindowRect(Qd.InsetRect(self._bounds, -3, -3))
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| 		else:
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| 			self.GetWindow().InvalWindowRect(oldbounds)
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| 			self.GetWindow().InvalWindowRect(self._bounds)
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| 
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| 
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| class _Line(Widget):
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| 	
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| 	def __init__(self, possize, thickness = 1):
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| 		Widget.__init__(self, possize)
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| 		self._thickness = thickness
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| 	
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| 	def open(self):
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| 		self._calcbounds()
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| 		self.SetPort()
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| 		self.draw()
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| 	
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| 	def draw(self, visRgn = None):
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| 		if self._visible:
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| 			Qd.PaintRect(self._bounds)
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| 	
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| 	def _drawbounds(self):
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| 		pass
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| 
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| class HorizontalLine(_Line):
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| 	
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| 	def _calcbounds(self):
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| 		Widget._calcbounds(self)
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| 		l, t, r, b = self._bounds
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| 		self._bounds = l, t, r, t + self._thickness
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| 
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| class VerticalLine(_Line):
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| 	
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| 	def _calcbounds(self):
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| 		Widget._calcbounds(self)
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| 		l, t, r, b = self._bounds
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| 		self._bounds = l, t, l + self._thickness, b
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| 
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| 
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| class Frame(Widget):
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| 	
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| 	def __init__(self, possize, pattern = Qd.GetQDGlobalsBlack(), color = (0, 0, 0)):
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| 		Widget.__init__(self, possize)
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| 		self._framepattern = pattern
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| 		self._framecolor = color
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| 	
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| 	def setcolor(self, color):
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| 		self._framecolor = color
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| 		self.SetPort()
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| 		self.draw()
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| 	
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| 	def setpattern(self, pattern):
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| 		self._framepattern = pattern
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| 		self.SetPort()
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| 		self.draw()
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| 		
 | |
| 	def draw(self, visRgn = None):
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| 		if self._visible:
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| 			penstate = Qd.GetPenState()
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| 			Qd.PenPat(self._framepattern)
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| 			Qd.RGBForeColor(self._framecolor)
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| 			Qd.FrameRect(self._bounds)
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| 			Qd.RGBForeColor((0, 0, 0))
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| 			Qd.SetPenState(penstate)
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| 
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| def _darkencolor((r, g, b)):
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| 	return int(0.75 * r), int(0.75 * g), int(0.75 * b)
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| 
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| class BevelBox(Widget):
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| 	
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| 	"""'Platinum' beveled rectangle."""
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| 	
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| 	def __init__(self, possize, color = (0xe000, 0xe000, 0xe000)):
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| 		Widget.__init__(self, possize)
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| 		self._color = color
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| 		self._darkercolor = _darkencolor(color)
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| 	
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| 	def setcolor(self, color):
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| 		self._color = color
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| 		self.SetPort()
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| 		self.draw()
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| 	
 | |
| 	def draw(self, visRgn = None):
 | |
| 		if self._visible:
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| 			l, t, r, b = Qd.InsetRect(self._bounds, 1, 1)
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| 			Qd.RGBForeColor(self._color)
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| 			Qd.PaintRect((l, t, r, b))
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| 			Qd.RGBForeColor(self._darkercolor)
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| 			Qd.MoveTo(l, b)
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| 			Qd.LineTo(r, b)
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| 			Qd.LineTo(r, t)
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| 			Qd.RGBForeColor((0, 0, 0))
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| 
 | |
| 
 | |
| class Group(Widget):
 | |
| 	
 | |
| 	"""A container for subwidgets"""
 | |
| 
 | |
| 
 | |
| class HorizontalPanes(Widget):
 | |
| 	
 | |
| 	"""Panes, a.k.a. frames. Works a bit like a group. Devides the widget area into "panes",
 | |
| 	which can be resized by the user by clicking and dragging between the subwidgets."""
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| 	
 | |
| 	_direction = 1
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| 	
 | |
| 	def __init__(self, possize, panesizes = None, gutter = 8):
 | |
| 		"""panesizes should be a tuple of numbers. The length of the tuple is the number of panes, 
 | |
| 		the items in the tuple are the relative sizes of these panes; these numbers should add up 
 | |
| 		to 1 (the total size of all panes)."""
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| 		Widget.__init__(self, possize)
 | |
| 		self._panesizes = panesizes
 | |
| 		self._gutter = gutter
 | |
| 		self._enabled = 1
 | |
| 		self.setuppanes()
 | |
| 	
 | |
| 	#def open(self):
 | |
| 	#	self.installbounds()
 | |
| 	#	ClickableWidget.open(self)
 | |
| 	
 | |
| 	def _calcbounds(self):
 | |
| 		# hmmm. It should not neccesary be override _calcbounds :-(
 | |
| 		self.installbounds()
 | |
| 		Widget._calcbounds(self)
 | |
| 	
 | |
| 	def setuppanes(self):
 | |
| 		panesizes = self._panesizes
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| 		total = 0
 | |
| 		if panesizes is not None:
 | |
| 			#if len(self._widgets) <> len(panesizes):
 | |
| 			#	raise TypeError, 'number of widgets does not match number of panes'
 | |
| 			for panesize in panesizes:
 | |
| 				if not 0 < panesize < 1:
 | |
| 					raise TypeError, 'pane sizes must be between 0 and 1, not including.'
 | |
| 				total = total + panesize
 | |
| 			if round(total, 4) <> 1.0:
 | |
| 				raise TypeError, 'pane sizes must add up to 1'
 | |
| 		else:
 | |
| 			# XXX does not work!
 | |
| 			step = 1.0 / len(self._widgets)
 | |
| 			panesizes = []
 | |
| 			for i in range(len(self._widgets)):
 | |
| 				panesizes.append(step)
 | |
| 		current = 0
 | |
| 		self._panesizes = []
 | |
| 		self._gutters = []
 | |
| 		for panesize in panesizes:
 | |
| 			if current:
 | |
| 				self._gutters.append(current)
 | |
| 			self._panesizes.append((current, current + panesize))
 | |
| 			current = current + panesize
 | |
| 		self.makepanebounds()
 | |
| 	
 | |
| 	def getpanesizes(self):
 | |
| 		return map(lambda (fr, to): to-fr,  self._panesizes)
 | |
| 	
 | |
| 	boundstemplate = "lambda width, height: (0, height * %s + %d, width, height * %s + %d)"
 | |
| 	
 | |
| 	def makepanebounds(self):
 | |
| 		halfgutter = self._gutter / 2
 | |
| 		self._panebounds = []
 | |
| 		for i in range(len(self._panesizes)):
 | |
| 			panestart, paneend = self._panesizes[i]
 | |
| 			boundsstring = self.boundstemplate % (`panestart`, panestart and halfgutter, 
 | |
| 							`paneend`, (paneend <> 1.0) and -halfgutter)
 | |
| 			self._panebounds.append(eval(boundsstring))
 | |
| 	
 | |
| 	def installbounds(self):
 | |
| 		#self.setuppanes()
 | |
| 		for i in range(len(self._widgets)):
 | |
| 			w = self._widgets[i]
 | |
| 			w._possize = self._panebounds[i]
 | |
| 			#if hasattr(w, "setuppanes"):
 | |
| 			#	w.setuppanes()
 | |
| 			if hasattr(w, "installbounds"):
 | |
| 				w.installbounds()
 | |
| 	
 | |
| 	def rollover(self, point, onoff):
 | |
| 		if onoff:
 | |
| 			orgmouse = point[self._direction]
 | |
| 			halfgutter = self._gutter / 2
 | |
| 			l, t, r, b = self._bounds
 | |
| 			if self._direction:
 | |
| 				begin, end = t, b
 | |
| 			else:
 | |
| 				begin, end = l, r
 | |
| 			
 | |
| 			i = self.findgutter(orgmouse, begin, end)
 | |
| 			if i is None:
 | |
| 				SetCursor("arrow")
 | |
| 			else:
 | |
| 				SetCursor(self._direction and 'vmover' or 'hmover')
 | |
| 	
 | |
| 	def findgutter(self, orgmouse, begin, end):
 | |
| 		tolerance = max(4, self._gutter) / 2
 | |
| 		for i in range(len(self._gutters)):
 | |
| 			pos = begin + (end - begin) * self._gutters[i]
 | |
| 			if abs(orgmouse - pos) <= tolerance:
 | |
| 				break
 | |
| 		else:
 | |
| 			return
 | |
| 		return i
 | |
| 	
 | |
| 	def click(self, point, modifiers):
 | |
| 		# what a mess...
 | |
| 		orgmouse = point[self._direction]
 | |
| 		halfgutter = self._gutter / 2
 | |
| 		l, t, r, b = self._bounds
 | |
| 		if self._direction:
 | |
| 			begin, end = t, b
 | |
| 		else:
 | |
| 			begin, end = l, r
 | |
| 		
 | |
| 		i = self.findgutter(orgmouse, begin, end)
 | |
| 		if i is None:
 | |
| 			return
 | |
| 		
 | |
| 		pos = orgpos = begin + (end - begin) * self._gutters[i]	# init pos too, for fast click on border, bug done by Petr
 | |
| 		
 | |
| 		minpos = self._panesizes[i][0]
 | |
| 		maxpos = self._panesizes[i+1][1]
 | |
| 		minpos = begin + (end - begin) * minpos + 64
 | |
| 		maxpos = begin + (end - begin) * maxpos - 64
 | |
| 		if minpos > orgpos and maxpos < orgpos:
 | |
| 			return
 | |
| 		
 | |
| 		#SetCursor("fist")
 | |
| 		self.SetPort()
 | |
| 		if self._direction:
 | |
| 			rect = l, orgpos - 1, r, orgpos
 | |
| 		else:
 | |
| 			rect = orgpos - 1, t, orgpos, b
 | |
| 		
 | |
| 		# track mouse --- XXX  move to separate method?
 | |
| 		Qd.PenMode(QuickDraw.srcXor)
 | |
| 		Qd.PenPat(Qd.GetQDGlobalsGray())
 | |
| 		Qd.PaintRect(rect)
 | |
| 		lastpos = None
 | |
| 		while Evt.Button():
 | |
| 			pos = orgpos - orgmouse + Evt.GetMouse()[self._direction]
 | |
| 			pos = max(pos, minpos)
 | |
| 			pos = min(pos, maxpos)
 | |
| 			if pos == lastpos:
 | |
| 				continue
 | |
| 			Qd.PenPat(Qd.GetQDGlobalsGray())
 | |
| 			Qd.PaintRect(rect)
 | |
| 			if self._direction:
 | |
| 				rect = l, pos - 1, r, pos
 | |
| 			else:
 | |
| 				rect = pos - 1, t, pos, b
 | |
| 			Qd.PenPat(Qd.GetQDGlobalsGray())
 | |
| 			Qd.PaintRect(rect)
 | |
| 			lastpos = pos
 | |
| 			self._parentwindow.wid.GetWindowPort().QDFlushPortBuffer(None)
 | |
| 			Evt.WaitNextEvent(0, 3)
 | |
| 		Qd.PaintRect(rect)
 | |
| 		Qd.PenNormal()
 | |
| 		SetCursor("watch")
 | |
| 		
 | |
| 		newpos = (pos - begin) / float(end - begin)
 | |
| 		self._gutters[i] = newpos
 | |
| 		self._panesizes[i] = self._panesizes[i][0], newpos
 | |
| 		self._panesizes[i+1] = newpos, self._panesizes[i+1][1]
 | |
| 		self.makepanebounds()
 | |
| 		self.installbounds()
 | |
| 		self._calcbounds()
 | |
| 
 | |
| 
 | |
| class VerticalPanes(HorizontalPanes):
 | |
| 	"""see HorizontalPanes"""
 | |
| 	_direction = 0
 | |
| 	boundstemplate = "lambda width, height: (width * %s + %d, 0, width * %s + %d, height)"
 | |
| 
 | |
| 
 | |
| class ColorPicker(ClickableWidget):
 | |
| 	
 | |
| 	"""Color picker widget. Allows the user to choose a color."""
 | |
| 	
 | |
| 	def __init__(self, possize, color = (0, 0, 0), callback = None):
 | |
| 		ClickableWidget.__init__(self, possize)
 | |
| 		self._color = color
 | |
| 		self._callback = callback
 | |
| 		self._enabled = 1
 | |
| 	
 | |
| 	def click(self, point, modifiers):
 | |
| 		if not self._enabled:
 | |
| 			return
 | |
| 		import ColorPicker
 | |
| 		newcolor, ok = ColorPicker.GetColor("", self._color)
 | |
| 		if ok:
 | |
| 			self._color = newcolor
 | |
| 			self.SetPort()
 | |
| 			self.draw()
 | |
| 			if self._callback:
 | |
| 				return CallbackCall(self._callback, 0, self._color)
 | |
| 	
 | |
| 	def set(self, color):
 | |
| 		self._color = color
 | |
| 		self.SetPort()
 | |
| 		self.draw()
 | |
| 	
 | |
| 	def get(self):
 | |
| 		return self._color
 | |
| 	
 | |
| 	def draw(self, visRgn=None):
 | |
| 		if self._visible:
 | |
| 			if not visRgn:
 | |
| 				visRgn = self._parentwindow.wid.GetWindowPort().visRgn
 | |
| 			Qd.PenPat(Qd.GetQDGlobalsGray())
 | |
| 			rect = self._bounds
 | |
| 			Qd.FrameRect(rect)
 | |
| 			rect = Qd.InsetRect(rect, 3, 3)
 | |
| 			Qd.PenNormal()
 | |
| 			Qd.RGBForeColor(self._color)
 | |
| 			Qd.PaintRect(rect)
 | |
| 			Qd.RGBForeColor((0, 0, 0))
 | |
| 			
 | |
| 
 | |
| # misc utils
 | |
| 
 | |
| def CallbackCall(callback, mustfit, *args):
 | |
| 	"""internal helper routine for W"""
 | |
| 	# XXX this function should die.
 | |
| 	if type(callback) == FunctionType:
 | |
| 		func = callback
 | |
| 		maxargs = func.func_code.co_argcount
 | |
| 	elif type(callback) == MethodType:
 | |
| 		func = callback.im_func
 | |
| 		maxargs = func.func_code.co_argcount - 1
 | |
| 	else:
 | |
| 		if callable(callback):
 | |
| 			return apply(callback, args)
 | |
| 		else:
 | |
| 			raise TypeError, "uncallable callback object"
 | |
| 	
 | |
| 	if func.func_defaults:
 | |
| 		minargs = maxargs - len(func.func_defaults)
 | |
| 	else:
 | |
| 		minargs = maxargs
 | |
| 	if minargs <= len(args) <= maxargs:
 | |
| 		return apply(callback, args)
 | |
| 	elif not mustfit and minargs == 0:
 | |
| 		return callback()
 | |
| 	else:
 | |
| 		if mustfit:
 | |
| 			raise TypeError, "callback accepts wrong number of arguments: " + `len(args)`
 | |
| 		else:
 | |
| 			raise TypeError, "callback accepts wrong number of arguments: 0 or " + `len(args)`
 | |
| 
 | |
| 
 | |
| def HasBaseClass(obj, class_):
 | |
| 	try:
 | |
| 		raise obj
 | |
| 	except class_:
 | |
| 		return 1
 | |
| 	except:
 | |
| 		pass
 | |
| 	return 0
 | |
| 
 | |
| 
 | |
| #
 | |
| # To remove the dependence of Widgets.rsrc we hardcode the cursor
 | |
| # data below.
 | |
| #_cursors = {
 | |
| #	"watch"	: Qd.GetCursor(QuickDraw.watchCursor).data,
 | |
| #	"arrow"	: Qd.GetQDGlobalsArrow(),
 | |
| #	"iBeam"	: Qd.GetCursor(QuickDraw.iBeamCursor).data,
 | |
| #	"cross"	: Qd.GetCursor(QuickDraw.crossCursor).data,
 | |
| #	"plus"		: Qd.GetCursor(QuickDraw.plusCursor).data,
 | |
| #	"hand"	: Qd.GetCursor(468).data,
 | |
| #	"fist"		: Qd.GetCursor(469).data,
 | |
| #	"hmover"	: Qd.GetCursor(470).data,
 | |
| #	"vmover"	: Qd.GetCursor(471).data,
 | |
| #	"zoomin"	: Qd.GetCursor(472).data,
 | |
| #	"zoomout"	: Qd.GetCursor(473).data,
 | |
| #	"zoom"	: Qd.GetCursor(474).data,
 | |
| #}
 | |
| 
 | |
| _cursors = {
 | |
| 	'arrow':
 | |
| 	'\x00\x00\x40\x00\x60\x00\x70\x00\x78\x00\x7c\x00\x7e\x00\x7f\x00'
 | |
| 	'\x7f\x80\x7c\x00\x6c\x00\x46\x00\x06\x00\x03\x00\x03\x00\x00\x00'
 | |
| 	'\xc0\x00\xe0\x00\xf0\x00\xf8\x00\xfc\x00\xfe\x00\xff\x00\xff\x80'
 | |
| 	'\xff\xc0\xff\xe0\xfe\x00\xef\x00\xcf\x00\x87\x80\x07\x80\x03\x80'
 | |
| 	'\x00\x01\x00\x01',
 | |
| 	'cross':
 | |
| 	'\x04\x00\x04\x00\x04\x00\x04\x00\x04\x00\xff\xe0\x04\x00\x04\x00'
 | |
| 	'\x04\x00\x04\x00\x04\x00\x04\x00\x00\x00\x00\x00\x00\x00\x00\x00'
 | |
| 	'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
 | |
| 	'\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00\x00'
 | |
| 	'\x00\x05\x00\x05',
 | |
| 	'fist':
 | |
| 	'\x00\x00\x00\x00\x0d\x80\x12\x70\x12\x4c\x12\x4a\x28\x0a\x28\x02'
 | |
| 	'\x48\x02\x40\x02\x20\x02\x20\x04\x10\x04\x08\x08\x04\x08\x04\x08'
 | |
| 	'\x00\x00\x00\x00\x0d\x80\x1f\xf0\x1f\xfc\x1f\xfe\x3f\xfe\x3f\xfe'
 | |
| 	'\x7f\xfe\x7f\xfe\x3f\xfe\x3f\xfc\x1f\xfc\x0f\xf8\x07\xf8\x07\xf8'
 | |
| 	'\x00\x09\x00\x08',
 | |
| 	'hand':
 | |
| 	'\x01\x80\x1a\x70\x26\x48\x26\x4a\x12\x4d\x12\x49\x68\x09\x98\x01'
 | |
| 	'\x88\x02\x40\x02\x20\x02\x20\x04\x10\x04\x08\x08\x04\x08\x04\x08'
 | |
| 	'\x01\x80\x1b\xf0\x3f\xf8\x3f\xfa\x1f\xff\x1f\xff\x6f\xff\xff\xff'
 | |
| 	'\xff\xfe\x7f\xfe\x3f\xfe\x3f\xfc\x1f\xfc\x0f\xf8\x07\xf8\x07\xf8'
 | |
| 	'\x00\x09\x00\x08',
 | |
| 	'hmover':
 | |
| 	'\x00\x00\x01\x80\x01\x80\x01\x80\x01\x80\x11\x88\x31\x8c\x7f\xfe'
 | |
| 	'\x31\x8c\x11\x88\x01\x80\x01\x80\x01\x80\x01\x80\x00\x00\x00\x00'
 | |
| 	'\x03\xc0\x03\xc0\x03\xc0\x03\xc0\x1b\xd8\x3b\xdc\x7f\xfe\xff\xff'
 | |
| 	'\x7f\xfe\x3b\xdc\x1b\xd8\x03\xc0\x03\xc0\x03\xc0\x03\xc0\x00\x00'
 | |
| 	'\x00\x07\x00\x07',
 | |
| 	'iBeam':
 | |
| 	'\x0c\x60\x02\x80\x01\x00\x01\x00\x01\x00\x01\x00\x01\x00\x01\x00'
 | |
| 	'\x01\x00\x01\x00\x01\x00\x01\x00\x01\x00\x01\x00\x02\x80\x0c\x60'
 | |
| 	'\x0c\x60\x02\x80\x01\x00\x01\x00\x01\x00\x01\x00\x01\x00\x01\x00'
 | |
| 	'\x01\x00\x01\x00\x01\x00\x01\x00\x01\x00\x01\x00\x02\x80\x0c\x60'
 | |
| 	'\x00\x04\x00\x07',
 | |
| 	'plus':
 | |
| 	'\x00\x00\x07\xc0\x04\x60\x04\x60\x04\x60\x7c\x7c\x43\x86\x42\x86'
 | |
| 	'\x43\x86\x7c\x7e\x3c\x7e\x04\x60\x04\x60\x07\xe0\x03\xe0\x00\x00'
 | |
| 	'\x0f\xc0\x0f\xe0\x0f\xf0\x0f\xf0\xff\xff\xff\xfe\xfc\x7f\xfc\x7f'
 | |
| 	'\xfc\x7f\xff\xff\x7f\xff\x7f\xff\x0f\xf0\x0f\xf0\x07\xf0\x03\xe0'
 | |
| 	'\x00\x08\x00\x08',
 | |
| 	'vmover':
 | |
| 	'\x00\x00\x01\x00\x03\x80\x07\xc0\x01\x00\x01\x00\x01\x00\x7f\xfc'
 | |
| 	'\x7f\xfc\x01\x00\x01\x00\x01\x00\x07\xc0\x03\x80\x01\x00\x00\x00'
 | |
| 	'\x01\x00\x03\x80\x07\xc0\x0f\xe0\x0f\xe0\x03\x80\xff\xfe\xff\xfe'
 | |
| 	'\xff\xfe\xff\xfe\x03\x80\x0f\xe0\x0f\xe0\x07\xc0\x03\x80\x01\x00'
 | |
| 	'\x00\x07\x00\x07',
 | |
| 	'watch':
 | |
| 	'\x3f\x00\x3f\x00\x3f\x00\x3f\x00\x40\x80\x84\x40\x84\x40\x84\x60'
 | |
| 	'\x9c\x60\x80\x40\x80\x40\x40\x80\x3f\x00\x3f\x00\x3f\x00\x3f\x00'
 | |
| 	'\x3f\x00\x3f\x00\x3f\x00\x3f\x00\x7f\x80\xff\xc0\xff\xc0\xff\xc0'
 | |
| 	'\xff\xc0\xff\xc0\xff\xc0\x7f\x80\x3f\x00\x3f\x00\x3f\x00\x3f\x00'
 | |
| 	'\x00\x08\x00\x08',
 | |
| 	'zoom':
 | |
| 	'\x0f\x00\x30\xc0\x40\x20\x40\x20\x80\x10\x80\x10\x80\x10\x80\x10'
 | |
| 	'\x40\x20\x40\x20\x30\xf0\x0f\x38\x00\x1c\x00\x0e\x00\x07\x00\x02'
 | |
| 	'\x0f\x00\x3f\xc0\x7f\xe0\x7f\xe0\xff\xf0\xff\xf0\xff\xf0\xff\xf0'
 | |
| 	'\x7f\xe0\x7f\xe0\x3f\xf0\x0f\x38\x00\x1c\x00\x0e\x00\x07\x00\x02'
 | |
| 	'\x00\x06\x00\x06',
 | |
| 	'zoomin':
 | |
| 	'\x0f\x00\x30\xc0\x40\x20\x46\x20\x86\x10\x9f\x90\x9f\x90\x86\x10'
 | |
| 	'\x46\x20\x40\x20\x30\xf0\x0f\x38\x00\x1c\x00\x0e\x00\x07\x00\x02'
 | |
| 	'\x0f\x00\x3f\xc0\x7f\xe0\x7f\xe0\xff\xf0\xff\xf0\xff\xf0\xff\xf0'
 | |
| 	'\x7f\xe0\x7f\xe0\x3f\xf0\x0f\x38\x00\x1c\x00\x0e\x00\x07\x00\x02'
 | |
| 	'\x00\x06\x00\x06',
 | |
| 	'zoomout':
 | |
| 	'\x0f\x00\x30\xc0\x40\x20\x40\x20\x80\x10\x9f\x90\x9f\x90\x80\x10'
 | |
| 	'\x40\x20\x40\x20\x30\xf0\x0f\x38\x00\x1c\x00\x0e\x00\x07\x00\x02'
 | |
| 	'\x0f\x00\x3f\xc0\x7f\xe0\x7f\xe0\xff\xf0\xff\xf0\xff\xf0\xff\xf0'
 | |
| 	'\x7f\xe0\x7f\xe0\x3f\xf0\x0f\x38\x00\x1c\x00\x0e\x00\x07\x00\x02'
 | |
| 	'\x00\x06\x00\x06',
 | |
| }
 | |
| 
 | |
| def SetCursor(what):
 | |
| 	"""Set the cursorshape to any of these: 'arrow', 'cross', 'fist', 'hand', 'hmover', 'iBeam', 
 | |
| 	'plus', 'vmover', 'watch', 'zoom', 'zoomin', 'zoomout'."""
 | |
| 	Qd.SetCursor(_cursors[what])
 | 
