Updating to GTK 4

[ManuInDenWolken]

Updating to GTK 4 provides a variety of features. CSS properties like font-variation-settings for example. And there are plenty of further changes. I am extensively using Google's Material Symbols which are built as variable fonts. This decision enforces for example the use of a font variation setting if you want to fill the battery symbol. The framework has to be changed to GTK 4, the layer shell respectively to gtk4-layer-shell (a separate repository). Unfortunately, I have neither time nor expertise to perform this migration. It requires some deeper structural changes (the event mappings of modules for example [include/AModule.hpp:48]) and design decisions I don't want to make.

[khaneliman]

Looks like there's a migration documentation https://docs.gtk.org/gtk4/migrating-3to4.html that could be helpful for people to look at. This might be something we can break up into smaller chunks that can be done while using GTK3 and then the GTK4 PR can handle the stuff that can't be done beforehand.

[ManuInDenWolken]

Surely. I read the documentation and I began the refactorings. But the design changes I made were so profound, I figured I shouldn't decide this. The design could be changed piece by piece, but the migration from GTK 3 to 4 has to be done all at once. You're definitely right with that. I'd very much appreciate it if someone would go for this step. Otherwise I'll have to wait a few weeks before I can take the time to do it.

[LukashonakV]

There are at least 2 things that were found a year ago when I was trying to migrate it to GDK4:

1. The rotate method is not provided by the Gdk Label. At least the label could be replaced by the button. Actually, I saw the try(means merge request) where in current waybar implementation, Label was replaced by the button. But for some reason, it was rolled back
2. Actually, I forgot. But it was something blocking.. . Some method which is totally ignored in GTK4 without any alternatives.. need to revise what it was...

[ManuInDenWolken]

There are at least 2 things that were found a year ago when I was trying to migrate it to GDK4:

1. The rotate method is not provided by the Gdk Label. At least the label could be replaced by the button. Actually, I saw the try(means merge request) where in current waybar implementation, Label was replaced by the button. But for some reason, it was rolled back
2. Actually, I forgot. But it was something blocking.. . Some method which is totally ignored in GTK4 without any alternatives.. need to revise what it was...

Looks like something worth picking up again. What's wrong with this label? Isn't it possible to handle an interaction on such a label? From what I read so far, there's actually no difference to the old one. And rotation is definitely possible, in source and style sheets. Though something that's worth a look again?

[jack9603301]

This piqued my interest, however, my time is limited, so I will only try it as a hobby (of course, it may not be realized in the end), if anyone completes it before this, then, great

[ManuInDenWolken]

This piqued my interest, however, my time is limited, so I will only try it as a hobby (of course, it may not be realized in the end), if anyone completes it before this, then, great

That would be great. There are design changes to make and then the actual migration to do. You can use the earlier mentioned migration guide as an orientation for the second part.

[jack9603301]

This piqued my interest, however, my time is limited, so I will only try it as a hobby (of course, it may not be realized in the end), if anyone completes it before this, then, great

That would be great. There are design changes to make and then the actual migration to do. You can use the earlier mentioned migration guide as an orientation for the second part.

okay

[haras-unicorn]

Would this mean adding #1120 back in? I just wanna know if we're going to be able to use :hover on stuff.

[ManuInDenWolken]

Would this mean adding #1120 back in? I just wanna know if we're going to be able to use :hover on stuff.

It would. But unfortunately, there's no serious attempt to migrate yet...

[LukashonakV]

There are at least 2 things that were found a year ago when I was trying to migrate it to GDK4:

1. The rotate method is not provided by the Gdk Label. At least the label could be replaced by the button. Actually, I saw the try(means merge request) where in current waybar implementation, Label was replaced by the button. But for some reason, it was rolled back
2. Actually, I forgot. But it was something blocking.. . Some method which is totally ignored in GTK4 without any alternatives.. need to revise what it was...

Looks like something worth picking up again. What's wrong with this label? Isn't it possible to handle an interaction on such a label? From what I read so far, there's actually no difference to the old one. And rotation is definitely possible, in source and style sheets. Though something that's worth a look again?

set_angle method is dropped in the GTK4 without any alternatives. So for now it's impossible to do text rotation in the label
There's another way is mentioned by the GTK maintainers https://gitlab.gnome.org/GNOME/gtk/-/blob/main/demos/gtk-demo/rotated_text.c which I'm digging in....