Hi Michael: Am 22.10.24 21:39 schrieb(en) Michael Catanzaro:
System scrollbar theme is no longer supported, sorry.This feature was already limited to the deprecated GTK 3 API versions, since GTK 4 doesn't support foreign drawing of GTK widgetry. So modern apps already have no native scrollbars unfortunately; they only work in legacy GTK 3 apps.
Ah, ok, I understand. Which is a pity as Gtk3 looks *much* better than Gtk4 (and is easier customisable) in environments which don't use Gnome applications exclusively. In my case, I have an XFCE desktop, and already replaced a bunch of Gtk4 applications which are just ugly (no, my desktop is *not* a mobile phone!) with their KDE counterparts.
Then 2.46 switched from Cairo to Skia for rendering, and native scrollbars were just never implemented when using Skia. I don't understand graphics and don't know the details about why, but I think it's got something to do with performance. I think using GTK forces web view rendering to use only one thread instead of many threads?
Dumb question – would it be possible to completely disable the scroll bars or force the “natural” size of the WebKitWebView widget, so I could add it to a GtkScrolledWindow myself? Or, as an alternative, to “extract” the real display widget without the scroll bars from it? That wouldn't help for standard applications like devhelp, but would be *really* great for the MUA Balsa (<https://gitlab.gnome.org/GNOME/balsa>), where due to the automatic scroll bars plain-text and HTML messages are displayed differently. All the message components (headers widget, message parts, inline attachments, crypto signature box) are packed into a (scrollable) VBox anyway, which now sometimes results in a scrolled window (for the whole message) with an additional embedded scrolled window (HTML part) which is confusing. Thanks, Albrecht.
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