https://bugs.kde.org/show_bug.cgi?id=414763
Bug ID: 414763
Summary: Scrollbar width change on hover changes GNOME Terminal
text area size
Product: Breeze
Version: 5.17.3
Platform: Other
OS: Linux
Status: REPORTED
Severity: normal
Priority: NOR
Component: gtk theme
Assignee: uhh...@gmail.com
Reporter: kenn...@whitecape.org
Target Milestone: ---
SUMMARY
Using the Breeze-Dark GTK theme, the vertical scrollbar in GNOME Terminal seems
to be 3 pixels wide. Hovering over it increases the size to 6 pixels wide.
This causes the available text area in my terminal to shrink by a single
letter, making the terminal re-layout the text while hovered over the
scrollbar.
There are two main effects:
1. Passing the mouse over the scrollbar causes the terminal contents to jump
(original, different while over scrollbar, back to original state again).
2. Grabbing the scrollbar handle is difficult because the narrower terminal
leads to more lines being used for the text, which means the scrollbar handle
actually gets longer or shorter.
STEPS TO REPRODUCE
1. Set Breeze-Dark under GNOME Tweaks > Appearance
2. Open GNOME Terminal
3. Type ls a few times to fill up the terminal so there is a scrollbar
4. Hover over the scrollbar with the mouse.
OBSERVED RESULT
Scrollbar becomes wider, text area becomes 1 character narrower, text jumps
wildly.
EXPECTED RESULT
Text does not jump while hovered over scrollbar.
SOFTWARE/OS VERSIONS
OS: Arch Linux [testing]
KDE Plasma Version: 5.17.3
Qt Version: 5.13.2
GTK Version: 3.24.12+32+g39e28ab933
ADDITIONAL INFORMATION
Editing /usr/share/themes/Breeze-Dark/gtk-3.0/gtk.css to change min-width from
3px to 6px in the scrollbar sections fixes the issue, by making the scrollbar
never change size. I assume resizing is an intentional breeze style choice,
though, so maybe there's a better fix that preserves that behavior.
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