[issue40219] ttk LabeledScale: label covered by hidden element

[Serhiy Storchaka]

Change by Serhiy Storchaka :


--
resolution:  -> fixed
stage: patch review -> resolved
status: open -> closed

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[issue40219] ttk LabeledScale: label covered by hidden element

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:


New changeset 6ad5fd14825fc6039a9684dfdc14f5d12b86e25f by Miss Islington (bot) 
in branch '3.9':
bpo-40219: Lowered ttk LabeledScale dummy (GH-21467) (GH-23788)
https://github.com/python/cpython/commit/6ad5fd14825fc6039a9684dfdc14f5d12b86e25f


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[issue40219] ttk LabeledScale: label covered by hidden element

[miss-islington]

miss-islington  added the comment:


New changeset 13d40c2a418116797eccd77bd65e4dbd689008db by Miss Islington (bot) 
in branch '3.8':
bpo-40219: Lowered ttk LabeledScale dummy (GH-21467)
https://github.com/python/cpython/commit/13d40c2a418116797eccd77bd65e4dbd689008db


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[issue40219] ttk LabeledScale: label covered by hidden element

[miss-islington]

Change by miss-islington :


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pull_requests: +22646
pull_request: https://github.com/python/cpython/pull/23789

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[issue40219] ttk LabeledScale: label covered by hidden element

[miss-islington]

Change by miss-islington :


--
nosy: +miss-islington
nosy_count: 4.0 -> 5.0
pull_requests: +22645
pull_request: https://github.com/python/cpython/pull/23788

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[issue40219] ttk LabeledScale: label covered by hidden element

[Serhiy Storchaka]

Serhiy Storchaka  added the comment:


New changeset b9ced83cf427ec86802ba4c9a562c6d9cafc72f5 by E-Paine in branch 
'master':
bpo-40219: Lowered ttk LabeledScale dummy (GH-21467)
https://github.com/python/cpython/commit/b9ced83cf427ec86802ba4c9a562c6d9cafc72f5


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[issue40219] ttk LabeledScale: label covered by hidden element

[E. Paine]

Change by E. Paine :


--
versions: +Python 3.10 -Python 3.7

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[issue40219] ttk LabeledScale: label covered by hidden element

[E. Paine]

Change by E. Paine :


--
pull_requests: +20613
stage:  -> patch review
pull_request: https://github.com/python/cpython/pull/21467

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[issue40219] ttk LabeledScale: label covered by hidden element

[Terry J. Reedy]

Terry J. Reedy  added the comment:

Right.  LabelScale is a tkinter.ttk extension, like OptionMenu.  If I do the 
PR, I would call the placeholder 'dummy' since it is permanent (not removed 
after initialization).  I'd like to see what happens without it and expand the 
comment to a line like
# Dummy needed to ... .

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[issue40219] ttk LabeledScale: label covered by hidden element

[E. Paine]

E. Paine  added the comment:

This is indeed a tkinter issue and is caused by the placeholder label. As the 
main label is added to the frame using the place manager, this placeholder is 
required to make the frame the correct height.

I have attached a small diff which lowers this placeholder, fixing the problem 
(raising the main label does the same thing).

--
keywords: +patch
nosy: +epaine
Added file: https://bugs.python.org/file49227/lbscl.diff

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[issue40219] ttk LabeledScale: label covered by hidden element

[Terry J. Reedy]

Terry J. Reedy  added the comment:

3.6 only get security fixes, but your nice minimal, complete verifiable example 
let me verify easily on 3.9a5 with tk 8.6.9 and 3.6 with 8.6.6 and 2.7.17 with 
8.5.19. The hidden element appears to be something like'||' with only part 
visible, depending on the scale value.  It at least partly obscures from -20 to 
15.  (Clicking the bar moves 1 unit at a time.)  This should be tested on other 
systems, but I suspect that this is an upstream tcl/tk issue.

--
nosy: +serhiy.storchaka, terry.reedy
versions: +Python 3.7, Python 3.8, Python 3.9 -Python 3.6

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[issue40219] ttk LabeledScale: label covered by hidden element

[Stephen Bell]

Change by Stephen Bell :


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type:  -> behavior

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[issue40219] ttk LabeledScale: label covered by hidden element

[Stephen Bell]

New submission from Stephen Bell :

The LabeledScale in tkinter.ttk seems to have some kind of hidden element that 
covers the LabeledScale's label when the value is set to mid-scale. Tested on 
Windows 10, Python 3.6

See below code to reproduce:

import tkinter
from tkinter import ttk

master = tkinter.Tk()
_out1Value = tkinter.IntVar(master)
out1Slider = ttk.LabeledScale(master, from_=-100, to=100, variable=_out1Value, 
compound="bottom")
_out1Value.set(0)

# uncomment to "fix"
# out1Slider.label.lift()

out1Slider.pack()

master.mainloop()

--
components: Tkinter
messages: 365940
nosy: Stephen Bell
priority: normal
severity: normal
status: open
title: ttk LabeledScale: label covered by hidden element
versions: Python 3.6

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