Hi, I have installed the 8.5.18 version of tk/tcl that you suggested. But I am still seeing this problem on my Mac.
Rather than trying to explain the details and my configuration, I have made a 3 minute video so you can see exactly what I am seeing. You can find that here: https://youtu.be/Us8px0BY5rg <https://youtu.be/Us8px0BY5rg> In answer to your question, I would guess that I am the same IrvKalb that is registered, but it would take me hours to figure out how to register a bug (since I have never done it before). So if you believe that this is a real bug, I would greatly appreciate it if you could register it for me. Again, please let me know if there is any more information I can give you. (I forgot to test this out on my Windows computer at my school today - I'll try to remember to do it tomorrow. I remember seeing this last semester on the Windows system, but we were running Python 2 back then.) Irv > On Nov 3, 2017, at 12:59 AM, Terry Reedy <tjre...@udel.edu> wrote: > > On 11/3/2017 12:49 AM, Irv Kalb wrote: >> Hi Terry, >> Thanks for your message. >>> On Nov 2, 2017, at 5:24 PM, Terry Reedy <tjre...@udel.edu >>> <mailto:tjre...@udel.edu>> wrote: >>> >>> On 11/2/2017 7:20 PM, Irv Kalb wrote: >>> >>>> I use IDLE when teaching classes, and I use it to develop small programs >>>> for my lessons. I have found a bug that has been in IDLE for a while, and >>>> I finally got frustrated enough with it to write. >>>> I am running on a Mac using IDLE version 3.6.1: >>>> Python 3.6.1 (v3.6.1:69c0db5050, Mar 21 2017, 01:21:04) >>>> [GCC 4.2.1 (Apple Inc. build 5666) (dot 3)] on darwin >>> >>> From the date, this appears to be the binary from python.org >>> <http://python.org>. >> Yes, I am using an absolutely standard download from python.org >> <http://python.org>. No modifications at all. >>> Did you upgrade tcl/tk as specified at >>> https://www.python.org/download/mac/tcltk/ ? >> No, I have not. I had no idea that I needed to do this. I just took a look >> at that page, and it does suggest that I need to upgrade. >>> What Tk version is shown by Help => About IDLE? >> It says Tk version: 8.5.15 > > I am a bit surprised that you are having a problem with that. 8.5.9 is the > really awful version. > >>>> running Max OS X 10.12.6 - but I also see this same problem when I am in >>>> class running Windows 10, with Python 3.6.??? >>> I use Windows 10 and I cannot reproduce the problem you report with any of >>> 2.7.14, 3.6.3, or 3.7.0a2. I used >>> if a: >>> if b: >>> if c: >>> d >>> d >>> f >>> for testing. Please post a sample text that fails on Windows 10. If you >>> want, do what I would do and insert it into the following code. >> Unfortunately, I won't be able to do that until next week when I am back at >> the school. I will try to remember to do that then. >>> >>> import tkinter as tk >>> root = tk.Tk() >>> text = tk.Text(root) >>> sample = ''' >>> <replace this with sample that allows reported error> >>> ''' >>> text.insert('1.0', sample) >>> text.pack() >>> root.mainloop() >>> >>> Then run and click in the resulting Text window and see if the behavior is >>> the same or different. Mouse clicks in the text area of an editor window >>> are primarily handled by tk, not IDLE or even tkinter. Without running >>> this control experiment, there is no reason to blame IDLE. >> I just tried your test on my Mac with the following: >> import tkinter as tk >> root = tk.Tk() >> text = tk.Text(root) >> sample = ''' >> if x: >> y = 1 >> ''' >> text.insert('1.0', sample) >> text.pack() >> root.mainloop() >> I run it, it brings up a widow with the two lines, and the same problem >> occurs there. > > Then this is either a tkinter or tk issue, most like the latter. But this > behavior is so annoying that I would expect to have seen a report before if > it were widespread. > >>> > One thing to point out, I always use the Tab key to indent my lines. >>> > However, even if I type many space characters to indent, I see the same >>> > (incorrect behavior). >>> >>> Unless you have a particular undocumented entry in >>> <HOME>/.idlerc/config-main.cfg, tabs are converted to spaces (default 4) >>> before insertion into the text widget. If the <- and -> arrow keys always >>> move one character, you have spaces. >> I have not changed any configuration like this. >>> >>>> If I have an indented line, and I click just to the left of the first real >>>> character on that line, often IDLE will place the insertion cursor at the >>>> wrong place - at one character to the right of the left edge of the >>>> window. If I click in the same spot (Just to the left of the first real >>>> character on the line), IDLE responds by moving the insertion cursor one >>>> space to the right. Depending on how many times the line I'm clicking on >>>> has been indented, IDLE eventually highlights a section from the last >>>> character of the previous line to just before the first real character of >>>> the line where I clicked. If I click one more time, IDLE puts the >>>> insertion character in the correct place. >>> >>> For me, a sinple click places the the cursor on the nearest >>> between-character slice line, either to the left or right of where I click. >>> Two clicks that are rapid enough to be interpreted as a double click >>> select a word or non-word slice. Similarly, clicks with the bar >>> overlapping two lines are pushed to the 'closer' line, either up or down. > >> Sounds like I need to upgrade TCL. Following the links on the page you >> provided, it looks like I need to download ActiveTCL, with the newest >> version being 8.6.6 from ActiveState.com <http://ActiveState.com>. >> Does that sound right? > > No, our 3.6 Mac binary is compiled against 8.5 and will not work with 8.6. > The page says 8.5.18. Try that. If there is still a problem, one of us > should open an issue on the tracker and make sure that the Mac and tkinter > experts are nosy. it. The exact OSX version would be needed. (Are you the > IrvKalb already registered?) > >> How would the average person (who doesn't follow links on forums like this >> and get expert help from someone like you) know to do this??? > > Some people see the following line on the download page > > macOS users: There is important information about IDLE, Tkinter, and Tcl/Tk > on macOS here. > > and click the link. Others miss it and ask various places. Or they take > classes that use pre-loaded machines or walk students through installation on > their own machines. Or maybe they blame IDLE for the tk bugs and stop trying > to use it. > > _______________________________________________ > IDLE-dev mailing list > IDLE-dev@python.org > https://mail.python.org/mailman/listinfo/idle-dev
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