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Mark Hammond fixed some comments and improved the way the tip text is 

constructed.
This commit is contained in:
Guido van Rossum 1999-06-03 12:07:50 +00:00
parent ce900defc5
commit 23c115f1c9
1 changed files with 12 additions and 11 deletions
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23
Tools/idle/CallTips.py
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@ -1,3 +1,6 @@
# CallTips.py - An IDLE extension that provides "Call Tips" - ie, a floating window that
# displays parameter information as you open parens.
import string import string
import sys import sys
import types import types
@ -28,7 +31,9 @@ class CallTips:
self._make_calltip_window = self.text.make_calltip_window self._make_calltip_window = self.text.make_calltip_window
else: else:
self._make_calltip_window = self._make_tk_calltip_window self._make_calltip_window = self._make_tk_calltip_window
# Makes a Tk based calltip window. Used by IDLE, but not Pythonwin.
# See __init__ above for how this is used.
def _make_tk_calltip_window(self): def _make_tk_calltip_window(self):
import CallTipWindow import CallTipWindow
return CallTipWindow.CallTip(self.text) return CallTipWindow.CallTip(self.text)
@ -54,10 +59,6 @@ class CallTips:
return "" #so the event is handled normally. return "" #so the event is handled normally.
def check_calltip_cancel_event(self, event): def check_calltip_cancel_event(self, event):
# This doesnt quite work correctly as it is processed
# _before_ the key is handled. Thus, when the "Up" key
# is pressed, this test happens before the cursor is moved.
# This will do for now.
if self.calltip: if self.calltip:
# If we have moved before the start of the calltip, # If we have moved before the start of the calltip,
# or off the calltip line, then cancel the tip. # or off the calltip line, then cancel the tip.
@ -73,8 +74,8 @@ class CallTips:
def get_object_at_cursor(self, def get_object_at_cursor(self,
wordchars="._" + string.uppercase + string.lowercase + string.digits): wordchars="._" + string.uppercase + string.lowercase + string.digits):
# XXX - This need to be moved to a better place # XXX - This needs to be moved to a better place
# as the "." attribute lookup code can also use it. # so the "." attribute lookup code can also use it.
text = self.text text = self.text
chars = text.get("insert linestart", "insert") chars = text.get("insert linestart", "insert")
i = len(chars) i = len(chars)
@ -109,14 +110,14 @@ def get_arg_text(ob):
defaults = ob.func_defaults or [] defaults = ob.func_defaults or []
defaults = list(map(lambda name: "=%s" % name, defaults)) defaults = list(map(lambda name: "=%s" % name, defaults))
defaults = [""] * (len(realArgs)-len(defaults)) + defaults defaults = [""] * (len(realArgs)-len(defaults)) + defaults
argText = string.join( map(lambda arg, dflt: arg+dflt, realArgs, defaults), ", ") items = map(lambda arg, dflt: arg+dflt, realArgs, defaults)
if len(realArgs)+argOffset < (len(ob.func_code.co_varnames) - len(ob.func_code.co_names) ): if len(realArgs)+argOffset < (len(ob.func_code.co_varnames) - len(ob.func_code.co_names) ):
if argText: argText = argText + ", " items.append("...")
argText = argText + "..." argText = string.join(items , ", ")
argText = "(%s)" % argText argText = "(%s)" % argText
except: except:
pass pass
# Can't build an argument list - see if we can use a docstring. # See if we can use the docstring
if hasattr(ob, "__doc__") and ob.__doc__: if hasattr(ob, "__doc__") and ob.__doc__:
pos = string.find(ob.__doc__, "\n") pos = string.find(ob.__doc__, "\n")
if pos<0 or pos>70: pos=70 if pos<0 or pos>70: pos=70