1804657 - scrollbar has no effect after set widget.content.gtk-theme-override

Status: RESOLVED FIXED

(Core :: Widget: Gtk, defect)

Description

[evilsign]

Attachment: scrollbar_problem.png

User Agent: Mozilla/5.0 (X11; Linux x86_64; rv:107.0) Gecko/20100101 Firefox/107.0

Steps to reproduce:

1. about:config to open config window
2. set widget.content.gtk-theme-override to 'TraditionalOK'
3. restart firefox
4. open any site with long content in order to show the scrollbar

Actual results:

scrollbar are not the style in 'TraditionalOk' theme

Expected results:

The scrollbar should be strict to the theme which I choose(attachment, blue one on left), but now it is still a "thin sticks"(attachment, thin one on right), just see attachment picture.

Comment 1

[BugBot [:suhaib / :marco/ :calixte]]

The Bugbug bot thinks this bug should belong to the 'Core::Widget: Gtk' component, and is moving the bug to that component. Please correct in case you think the bot is wrong.

Comment 2

[Martin Stránský [:stransky] (ni? me)]

Emilio, I think that's intentional, right?

Comment 3

[Emilio Cobos Álvarez (:emilio)]

Yeah we can't render native scrollbars in content. If you want "regular" (instead of overlay) scrollbars you can do that from about:preferences (Always Show Scrollbars).

If you want arrows or want a wider scrollbar you need extra tweaks, but it generally works, see the widget.non-native-theme prefs.

We should clean up the code that keeps that pref around.

Comment 4

[Emilio Cobos Álvarez (:emilio)]

Attachment: Bug 1804657 - Remove dead code related to having native theme in content on Linux. r=stransky

Since the headless work (bug 1129492 and co) we realistically have no
way of rendering native scrollbars in any meaningful way. Remove dead
code that used to support using a different GTK theme on content.

Comment 5

[Pulsebot]

Pushed by [e-mail]:
https://hg.mozilla.org/integration/autoland/rev/c5ae42014f4b
Remove dead code related to having native theme in content on Linux. r=stransky

Comment 6

[Atila Butkovits]

https://hg.mozilla.org/mozilla-central/rev/c5ae42014f4b