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From: Stefan Haller <>
Subject: Re: [PATCH] git-gui: use gray selection background for inactive text widgets
Date: Sun, 29 Nov 2020 18:40:33 +0100	[thread overview]
Message-ID: <> (raw)
In-Reply-To: <>

On 23.11.20 12:48, Stefan Haller wrote:
> On 22.11.20 18:16, wrote:
>> I think calculating that gray color from current selection bg is too much work
>> for just one color.
>> We can just set inactiveSelectBackground to some neutral gray color like
>> #707070 or #909090 which will work fine with both dark and light themes.
> OK, fine with me. Here's a patch that does this (it sits on top of yours). It
> almost works, except for one problem: on Mac, the inactive selection background
> is white instead of lightgray, but only for the diff view; for the commit editor
> it's correct. On Windows it's also correct for both views. I can't figure out
> what's the difference on Mac; do you have an idea what could be wrong?

After spending quite a while single-stepping through lots of Tk code, I
found the reason. On Mac, disabled text widgets simply don't draw the
selection background. [1]

I can see three options for solving this:

1) Don't use "state focus" and "state !focus" on the text widgets, but
   instead set the selection color manually using "text conf sel
   -background". Disadvantage: have to calculate the disabled color
   using a heuristic like I did for the file lists in my v2 patch.

2) Don't use "configure -state disabled" to make the diff text widget
   read-only; instead, use one of the other methods from [2].
   Disadvantage: quite a big change, and seems complex to me.

3) Enable the the diff widget when it loses focus, and disable it again
   when it gets focus. I tried this in a quick prototype, and it works
   very well. It just *feels* wrong to enable a read-only text widget
   while it is unfocused; but I couldn't find any situation where it
   would behave wrong, because as soon as you try to interact with it,
   the first thing that happens is that it gets disabled again.

I tend towards option 3, because it's reasonably simple and works. I'll
work on a patch tomorrow unless anybody has objections.



  parent reply	other threads:[~2020-11-29 17:43 UTC|newest]

Thread overview: 37+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2020-08-24 15:48 [PATCH] git-gui: Basic dark mode support Serg Tereshchenko
2020-08-25 19:01 ` Matthias Aßhauer
2020-09-22 11:04 ` Pratyush Yadav
2020-09-26 14:54   ` [PATCH v2] " Serg Tereshchenko
2020-10-07 11:07     ` Pratyush Yadav
2020-10-08  8:24       ` [PATCH] " Serg Tereshchenko
2020-10-08 13:07     ` [PATCH v2] " Pratyush Yadav
2020-11-21 17:47       ` Stefan Haller
2020-11-22 12:30         ` serg.partizan
2020-11-22 13:32         ` [PATCH] git-gui: Fix selected text colors Serg Tereshchenko
2020-11-22 15:41           ` Stefan Haller
2020-11-22 17:16             ` serg.partizan
2020-11-23 11:48               ` [PATCH] git-gui: use gray selection background for inactive text widgets Stefan Haller
2020-11-23 13:13                 ` serg.partizan
2020-11-23 19:03                   ` Stefan Haller
2020-11-23 20:08                     ` serg.partizan
2020-11-29 17:40                 ` Stefan Haller [this message]
2020-11-30 13:41                   ` serg.partizan
2020-11-30 18:08                     ` [PATCH] git-gui: use gray selection background for inactive text?? widgets Pratyush Yadav
2020-11-30 20:18                       ` [PATCH] git-gui: use gray selection background for inactive text widgets Stefan Haller
2020-11-30 20:18                         ` [PATCH] git-gui: keep showing selection when diff view gets deactivated on Mac Stefan Haller
2020-11-23 19:03               ` [PATCH] git-gui: Fix selected text colors Stefan Haller
2020-11-23 20:50                 ` serg.partizan
2020-11-24 21:19                   ` Stefan Haller
2020-11-24 21:23                     ` [PATCH v2] git-gui: use gray background for inactive text widgets Stefan Haller
2020-12-17 21:49                       ` Pratyush Yadav
2020-12-17 22:14                         ` Stefan Haller
2020-12-18 12:50                           ` Pratyush Yadav
2020-12-18 13:01                             ` Stefan Haller
2020-12-18  9:43                         ` [PATCH v3] " Stefan Haller
2020-12-18 12:51                           ` Pratyush Yadav
2020-12-18 19:46                           ` Pratyush Yadav
2020-12-17 20:23           ` [PATCH] git-gui: Fix selected text colors Pratyush Yadav
2020-10-07 11:13 ` [PATCH] git-gui: Basic dark mode support Pratyush Yadav
2020-10-08  8:20   ` Serg Tereshchenko
2020-10-08  8:28     ` Pratyush Yadav
2020-10-08  8:44       ` Serg Tereshchenko

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