[issue24893] Idle occasionally gets mouse position wrong for selections

2015-08-19 Thread Mark Roseman

Changes by Mark Roseman m...@markroseman.com:


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nosy: +markroseman

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[issue24893] Idle occasionally gets mouse position wrong for selections

2015-08-19 Thread Raymond Hettinger

Changes by Raymond Hettinger raymond.hettin...@gmail.com:


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assignee:  - terry.reedy
nosy: +ned.deily, ronaldoussoren, terry.reedy

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[issue24893] Idle occasionally gets mouse position wrong for selections

2015-08-19 Thread Mark Roseman

Mark Roseman added the comment:

Watched that video clip - yikes, that is bad.

I tried playing around to reproduce it, but haven't had any success yet, though 
did find another weird thing. If you have a bunch of short lines without any 
blanks, sometimes when you click well to the right of all of them, the cursor 
will end up at the beginning of one of the lines, rather than at the end of 
them. This wasn't consistent but did happen maybe 1/10th of the time.

Guido was running on a Mac. Were the other examples where you saw this missing 
by several lines also all on Mac?  (Not to say that means it's a Mac only bug, 
but...)

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[issue24893] Idle occasionally gets mouse position wrong for selections

2015-08-19 Thread Ned Deily

Ned Deily added the comment:

A wild guess: could it be dependent on the screen resolution, in particular if 
a Mac Retina display is in use? It also could depend on the version of Tk; from 
the screenshot it is clear that Guido was not using a python.org version of 3.4 
so the out-of-date Apple-supplied Tk *might* be in use.

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[issue24893] Idle occasionally gets mouse position wrong for selections

2015-08-18 Thread Raymond Hettinger

New submission from Raymond Hettinger:

Something has been wrong with the underlying Tkinter for several years. A mouse 
click to select text will mistarget by several lines.

I've held-off reporting this because I couldn't narrow it down to a 
reproduceable case.  That said, I've seen it on fresh installs of Python on 
multiple machines with different users.

But now, we have it on video.  It happened to Guido during a keynote.  See 
https://www.youtube.com/watch?v=0Ef9GudbxXY at about 7:00 to 7:30.

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components: IDLE
messages: 248811
nosy: rhettinger
priority: normal
severity: normal
status: open
title: Idle occasionally gets mouse position wrong for selections
type: behavior
versions: Python 2.7, Python 3.5, Python 3.6

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