[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Jose M. Alcaide]

Jose M. Alcaide added the comment:

My previous comment was incorrect, sorry.

I thought that this issue was fixed in time for the release of Python 3.5, but 
it wasn't (fix was committed on Sep 26, two weeks after 3.5's release).

My apologies.

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Jose M. Alcaide]

Jose M. Alcaide added the comment:

This issue continues unfixed.

After uninstalling ActiveTcl 8.5.18 and then installing ActiveTcl 8.5.17, IDLE 
completion and call tips work again.

Tested with Python 3.5 and 3.4.1.

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Terry J. Reedy]

Changes by Terry J. Reedy :


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versions: +Python 3.5, Python 3.6

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Terry J. Reedy]

Terry J. Reedy added the comment:

Added equivalent completion window patch.  Would have preferred confirmation 
that Idle versions work, but 3.4.4rc1 is only a week away and I think having 
bug confirmed and fixed in tcl is enough to go with.

--
assignee:  -> terry.reedy
resolution:  -> fixed
stage:  -> resolved
status: open -> closed

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Roundup Robot]

Roundup Robot added the comment:

New changeset b5bc7e9dab77 by Terry Jan Reedy in branch '2.7':
Issue #24570: Idle: make calltip and completion boxes appear on Macs
https://hg.python.org/cpython/rev/b5bc7e9dab77

New changeset 6687630e201a by Terry Jan Reedy in branch '3.4':
Issue #24570: Idle: make calltip and completion boxes appear on Macs
https://hg.python.org/cpython/rev/6687630e201a

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Terry J. Reedy]

Changes by Terry J. Reedy :


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Removed message: http://bugs.python.org/msg251380

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Roundup Robot]

Roundup Robot added the comment:

New changeset b79dd0d7dc98 by Terry Jan Reedy in branch '2.7':
Issue #24570: Right-click for context menus now work on Mac Aqual also.
https://hg.python.org/cpython/rev/b79dd0d7dc98

New changeset 51b2b1a821b7 by Terry Jan Reedy in branch '3.4':
Issue #24570: Right-click for context menus now work on Mac Aqual also.
https://hg.python.org/cpython/rev/51b2b1a821b7

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Mark Roseman]

Mark Roseman added the comment:

Alessandro, would you have a chance to test this one line patch, which makes 
calltips work again on OS X?

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Mark Roseman]

Mark Roseman added the comment:

Awesome, thanks Kevin. Have attached calltip.patch. The extra lift() call 
doesn't seem to hurt on Windows or X11, so didn't make it conditional.

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keywords: +patch
Added file: http://bugs.python.org/file40173/calltip.patch

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Terry J. Reedy]

Terry J. Reedy added the comment:

Yes, *raise* is a keyword and .lift() is the substitute.

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Kevin Walzer]

Kevin Walzer added the comment:

I experimented with Mark's sample code (thanks for that, BTW), and found that 
the window with the "help" tag applied would display with this simple addition:

raise .t

I believe the equivalent call in Tinter is lift(), because raise() is for error 
handling? Perhaps someone can experiment with appropriate calls to lift() in 
the relevant sections of IDLE. 

The "help" style is excluded from becoming a frontmost window by default in OS 
X. Here is the relevant code in tkMacOSXWm.c:

- (BOOL) canBecomeKeyWindow
{
TkWindow *winPtr = TkMacOSXGetTkWindow(self);

return (winPtr && winPtr->wmInfoPtr && (winPtr->wmInfoPtr->macClass ==
kHelpWindowClass || winPtr->wmInfoPtr->attributes &
kWindowNoActivatesAttribute)) ? NO : YES;
}


Therefore, an explicit call to raise may be helpful in displaying the window.

I realize that such calls are not present in the current IDLE code, and did not 
seem to be required previously--there likely was some change in recent Tk-Cocoa 
commits in event loop handling, memory management, window display, and drawing 
that caused this new bug to crop up. Tracking the actual source of the bug at 
the C level is likely to prove very difficult because there have been so many 
changes. However, since the fix at the script level is trivial, I do not think 
a major effort is necessary to step through the code at the C level.

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Mark Roseman]

Mark Roseman added the comment:

I did some followup on this today, and could reproduce it with a few lines of 
Tcl/Tk code. As Ned noted, it seems particular to the ActiveTcl build, as when 
I built my own 8.5.18 it also worked fine.

(If you're curious, the thing that is failing is the MacWindowStyle call to set 
the window to type "help". If you use that, the window just doesn't show up. 
Oddly, other types, e.g. "utility" work properly).

I tried various introspection techniques to see if I could detect that this 
problem had occurred from code, but no luck. As far as Tk was concerned, the 
window was there.

Will send a message to tcl-core list regarding this. For reference, Tcl script 
to reproduce is:

wm geometry . +32+32
toplevel .t
wm geometry .t +60+60
tk::unsupported::MacWindowStyle style .t help "noActivates"
grid [label .t.l -bg yellow -text "tooltip window"]

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Alessandro Rosa]

Alessandro Rosa added the comment:

Hi Terry,

I will try my best to answer your questions.

To update you, I decided to completely uninstall the ActiveState frameworks 
from my Mac. This brought me back to the dreaded Apple version of Tcl/Tk 8.5.9 
with the IDLE warning about it. At this point Autocomplete and Call Tips worked 
again. If I initialized a list and then typed a_list. then the pop up menu 
would appear for the methods associated with list. If I typed a_list.append( 
then the Call Tip with the docstring information for list.append would appear. 
(I didn't try some of the other methods that we talk about in the questions as 
I was not aware of them at the time).

I then downloaded a new installer from ActiveState for Tcl/Tk 8.5.18 and ran 
the install. I tested IDLE again, and at this point the Autocomplete pop up 
menu does not display, and the Call Tips no longer appear when I open a methods 
parenthesis.

Questions:
==
"Alessandro, you said  works,  does not.  
How about  and . The latter pair work within 
path strings when the preceding chars begin a path that exist on your system."

- 
If I type a_list. and then  no pop up menu appears, however 
when I press the Up or Down arrow keys, it cycles through the methods available 
for that object. The Autocompletes display inline, one at a time and not as a 
popup.

To expand on this, if I press  at the prompt of the IDLE 
shell or at a blank line in an editor screen the Up and Down arrow keys will 
cycle through any builtin functions, keyword arguments (mostly errors), or 
declared variables available, plus True and False.

- 
This has no effect. There is no popup window, and unlike with 
 the arrow keys move the cursor around the screen and do not 
cycle through any of the Autocomplete options.

- 
For the sake of brevity,  works the same as  does 
after a dot, so a_list. and  lets the Up and Down arrow keys cycle 
through available methods.

- 
Within a path string,  allows for the cycling through 
of the directories at that level of the path using the Up and Down arrow keys. 
As with the others, no popup menu is visible when pressing 
. (That is a handy tip I didn't know about... Thanks!)



"Alessandro, you could test by making a backup of configextensions.def and 
removing 'Release' for 'period'."

- When I do this and restart IDLE, the only difference in behavior is that 
placing a period after an object, a_list., acts like pressing  or 
 did prior to the change. It allows for the cycling through 
of methods with the arrow keys, but no popup menu.



"Alessandro, you said  does not work.  How abut 
 (after '(') to open?  Does  
close properly?"

- 
Correct. There is no Call Tips popup when I open a parenthesis after an object 
method.

- 
This has no effect.

- 
I am not sure what your question means. It works as a normal close parenthesis 
would in any text editor. If you mean does  close the 
Call Tips popup properly, then I can't say as there is no Call Tip popup 
displaying.

One thing to note, something is happening with  after a closed 
parenthesis, it is just that nothing is visible. So if I enter a_list.append() 
and then press and release the 0 key and then press the Up or Down arrow key, 
the cursor is frozen in place for the first press. Then is starts to move with 
subsequent presses. It seems like IDLE is trying to get the Call Tip, but no 
window appears to display the information.



"For both boxes, clicking on the box should also close. Does it?
What about Edit -> Show Completions and Edit -> Show calltips for opening?"

- The popup boxes do not display at all. Going through the answers I have given 
so far, it seems like IDLE is accessing the information that it needs to for 
Autocomplete (and possibly Call Tips, though I cannot see it as it is never 
displayed on screen), it is just that the display boxes do not display. Maybe 
the problem is not Autocomplete or Call Tips at all, but in the module that is 
called to display the information that they return, or a command in that module 
was renamed or deprecated?

- Edit -> Show Completions
After reverting back to the backup version of config-extensions.def, this has 
the same behavior as  and  have. Up and Down Arrow 
allows cycling through of methods, but there is no popup window visible.

- Edit -> Show calltips
This has no effect, whether it is with an open parenthesis or after the 
parenthesis has been closed.

Thank you for the reply and trying to find a solution.

~ A

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Terry J. Reedy]

Terry J. Reedy added the comment:

More tests might help pin down the bug. Here is the complete config for 
completions.
[AutoComplete]
enable=True
popupwait=2000
[AutoComplete_cfgBindings]
force-open-completions=
[AutoComplete_bindings]
autocomplete=
try-open-completions=  


Notes: config-extensions.def is initially opened and generically processed in 
various methods of configHandler.IdleConf, and on request, the 
config-extentions section of EditorWindow.py. cfgBindings can be (sensibly) 
reconfigured, the others not. Names that follow, before '=', become 
pseudoevents handles by methods in the

Alessandro, you said  works,  does not.  
How about  and . The latter pair work within 
path strings when the preceding chars begin a path that exist on your system.  
For instance, on Win 7, './ lists options in the current directory.

I have no idea why KeyRelease instead of Key is used above and below.  There is 
no key equivalent of releasing a mouse button in a different location than 
where pressed. Kevin, could there be a bug with KeyRelease on Mac?  Alessandro, 
you could test by making a backup of configextensions.def and removing 
'Release' for 'period'.

The calltip files are
CallTips.py
CallTipWindow.py
and in config-extensions.def,

[CallTips]
enable=True
[CallTips_cfgBindings]
force-open-calltip=
[CallTips_bindings]
try-open-calltip=
refresh-calltip= 

Alessandro, you said  does not work.  How abut 
 (after '(') to open?  Does  
close properly?

I do not know what  (zero) is about.  It does not work for me.

For both boxes, clicking on the box should also close. Does it?
What about Edit -> Show Completions and Edit -> Show calltips for opening?

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Ned Deily]

Ned Deily added the comment:

Kevin, I think that Autocomplete is implemented as an IDLE extension in:
Lib/idlelib/AutoComplete.py
Lib/idlelib/AutoCompleteWindow.py

and configured in:
Lib/idlelib/config-extensions.def
-> force-open-completions=

Perhaps someone could try to reduce it to smaller test case; I will likely not 
have time to work on it myself for the immediate future.  Tal, can you 
reproduce this issue when using ActiveTcl 8.5.18?

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Alessandro Rosa]

Alessandro Rosa added the comment:

Thank you for the reply. I raised a bug with ActiveState. I am a Community 
User, so I can't access prior builds of ActiveTcl, and I am no where near 
competent enough to build up a framework.

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Kevin Walzer]

Kevin Walzer added the comment:

Where in the IDLE source code tree is this code housed? Is it possible to 
provide a Python script that reproduces the issue?

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

[Ned Deily]

Ned Deily added the comment:

Thanks for the report.  Taking a quick look at it, it appears that the problem 
was introduced with the most recently releases of ActiveTcl on OS X, 8.5.18 and 
8.6.4.  The autocomplete popups seem to work fine with the previous OS X 
release of ActiveTcl 8.5 (8.5.17) and with a MacPorts +quartz build of Tcl/Tk 
8.6.3.  I know that Kevin Walzer added a lot of fixes to the native OS X 
version of Tk that were first released with 8.6.4 and 8.5.18 and I think there 
have been additional fixes since then but are not yet in an official Tcl/Tk 
release.  I'm cc-ing Kevin here; perhaps this will look familiar.

As workarounds, if you have access to ActiveTcl 8.5.17, you could install that. 
 Or, if you feel up to building your own framework version of 8.5.17, you could 
try that.  You *could* also remove 8.5.18 and fall back to the Apple-supplied 
system Tcl/Tk 8.5.9 but I would strongly recommend not doing that as that 
version has critical problems, most notably the bug that causes Tk to crash 
(and, thus, crash IDLE with no opportunity for saving work) by typing 
multi-character compose codes in text boxes (like option-u on US keyboard 
layouts).

So it should first be established whether this problem still exists with 
current trunk of 8.5.x (for that's what the OS X installers link with) and, if 
so, try to get a new version of ActiveTcl 8.5.x released.  It might help to 
file an issue with ActiveState (https://bugs.activestate.com/index.cgi) and/or 
on the Tk issue tracker (https://core.tcl.tk/tk/reportlist).  And it would be 
even better to have a pure Tcl/Tk test case using wish so that Python is not a 
factor.  Unfortunately, I'm not going to have much time for the immediate 
future to shepherd that activity.

--
nosy: +wordtech
title: IDLE Autocomplete and Call Tips Do Not Pop Up -> IDLE Autocomplete and 
Call Tips Do Not Pop Up on OS X with ActiveTcl 8.5.18

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[issue24570] IDLE Autocomplete and Call Tips Do Not Pop Up

[Alessandro Rosa]

New submission from Alessandro Rosa:

I recently upgraded to Python 2.7.10 on my MacOSX Yosemite computer. I also 
added a Python 3.4.3 installation. At the time I upgraded Tcl/Tk with ActiveTcl 
8.5.18 as was suggested on the Python for MacOSX installation page.

At this point, Autocomplete and Call Tips stopped popping up. I checked the 
preferences and it seemed to be turned on. The delay was set to 2000, so I 
changed that to 2, but nothing happened. Pressing -Spacebar and then 
using the down arrow key lets me cycle through the the available functions, but 
putting a dot after an object has no effect, and if I open parentheses, I get 
no tips. This is both in the IDLE Shell and Editor windows.

I tried to redo everything by deleting all instances of Python from my drive. I 
reinstalled them, reloaded all packages, and Autocomplete and call tips still 
are not popping up. Is there any known issues or is there a workaround? Do I 
possibly need to add or change the new Tk path somewhere so that IDLE can find 
what it needs to popup autocomplete? Is there a way that I can initiate IDLE 
Autocomplete and Call Tips during the coding session to manually get them to 
work?

I am somewhat new to Python, and I often rely on the autocomplete tips to 
remind me of what I need to do or what methods are available for an object. I 
really like IDLE but it is hard for me to use without this functionality. Any 
help would be greatly appreciated.

Thank you,

--
components: IDLE, Macintosh, Tkinter
messages: 246337
nosy: Alessandro Rosa, ned.deily, ronaldoussoren
priority: normal
severity: normal
status: open
title: IDLE Autocomplete and Call Tips Do Not Pop Up
type: behavior
versions: Python 2.7, Python 3.4

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