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29 Jun 2025
@jaafar:kde.org@jaafar:kde.orgMy wild guess is that it's something that has to do with my choice of display manager, which is COSMIC Comp rather than GDM. I know that GNOME needs GDM for "some features", but I don't know if the file picker is one of them.16:55:06
@jaafar:kde.org@jaafar:kde.org
In reply to @jaafar:kde.org
File picker works in some apps, doesn't work in others. For example, the Attach button in messaging apps like Fractal (Matrix client), Telegram Desktop, or Legcord should bring up a file picker, but doesn't. Adding a picture to the list of backgrounds in Settings has the same problem, and likewise in some of my Flatpak apps. File picker in other apps works, though, like WINE apps, Firefox, and KeePassXC, but I'm guessing the file picker in GTK3 apps is different from the one in GTK4/Libadwaita apps?
*

Other apps where file pickers don't work:

  • Steam (native)
17:00:12
@jaafar:kde.org@jaafar:kde.org
In reply to @jaafar:kde.org
File picker works in some apps, doesn't work in others. For example, the Attach button in messaging apps like Fractal (Matrix client), Telegram Desktop, or Legcord should bring up a file picker, but doesn't. Adding a picture to the list of backgrounds in Settings has the same problem, and likewise in some of my Flatpak apps. File picker in other apps works, though, like WINE apps, Firefox, and KeePassXC, but I'm guessing the file picker in GTK3 apps is different from the one in GTK4/Libadwaita apps?
*

Other apps where file pickers don't work:

  • Steam (native)
  • Ruffle (Adobe Flash emulator)
17:00:37
@jaafar:kde.org@jaafar:kde.org
In reply to @jaafar:kde.org
File picker works in some apps, doesn't work in others. For example, the Attach button in messaging apps like Fractal (Matrix client), Telegram Desktop, or Legcord should bring up a file picker, but doesn't. Adding a picture to the list of backgrounds in Settings has the same problem, and likewise in some of my Flatpak apps. File picker in other apps works, though, like WINE apps, Firefox, and KeePassXC, but I'm guessing the file picker in GTK3 apps is different from the one in GTK4/Libadwaita apps?
*

Other apps where file pickers don't work:

  • Steam (native)
  • Ruffle (Adobe Flash emulator)
  • Zed Editor
17:28:47
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all)
In reply to @jaafar:kde.org
File picker works in some apps, doesn't work in others. For example, the Attach button in messaging apps like Fractal (Matrix client), Telegram Desktop, or Legcord should bring up a file picker, but doesn't. Adding a picture to the list of backgrounds in Settings has the same problem, and likewise in some of my Flatpak apps. File picker in other apps works, though, like WINE apps, Firefox, and KeePassXC, but I'm guessing the file picker in GTK3 apps is different from the one in GTK4/Libadwaita apps?

Shot in the dark, but...

Try adding zenity to your $PATH, e.g. via environment.systemPackages. If that doesn't work I am afraid you'll have to strace

17:32:43
@jaafar:kde.org@jaafar:kde.org
In reply to @grimmauld:grapevine.grimmauld.de

Shot in the dark, but...

Try adding zenity to your $PATH, e.g. via environment.systemPackages. If that doesn't work I am afraid you'll have to strace

Will try once I'm back on the computer 		17:34:08
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all)Usually file pickers are opened via dbus, but some things directly call zenith (and expect it to exist). I know this is the case for sdl3 (which we patch to actually use an absolute path for zenith), I suspect there might be apps that lack such patches17:34:10
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all)* Usually file pickers are opened via dbus, but some things directly call zenity (and expect it to exist). I know this is the case for sdl3 (which we patch to actually use an absolute path for zenith), I suspect there might be apps that lack such patches17:34:21
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all)* Usually file pickers are opened via dbus, but some things directly call zenity (and expect it to exist). I know this is the case for sdl3 (which we patch to actually use an absolute path for zenity), I suspect there might be apps that lack such patches17:34:33
@jaafar:kde.org@jaafar:kde.org P.S. how do I strace in this case? 17:34:54
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all)
In reply to @jaafar:kde.org
P.S. how do I strace in this case?
You just strace zed or whatever and upload the log to somewhere. Ideally triggering the behavior, then killing by keyboard interrupt to avoid unnecessary log spam. And also ideally using a problematic program that doesn't itself spam a bunch of logs, anything non-gui would be appreciated but probably a tall ask by problem domain 		17:36:34
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all)But try the zenith thing first, that's less effort and has a non-zero chance of working (though, admittedly, that chance is likely more like 20% if I had to guess...)17:38:09
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all)* But try the zenity thing first, that's less effort and has a non-zero chance of working (though, admittedly, that chance is likely more like 20% if I had to guess...)17:38:34
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all)* But try the zenity thing first, that's less effort and has a non-zero chance of working (though, admittedly, that chance is at most 20% if I had to guess...)17:40:19
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all)You probably also want to make sure you don't have apparmor or anything set to block dbus calls, that has bitten me in the past too. But very few people actually try to use that stuff on nix...17:42:06
@jaafar:kde.org@jaafar:kde.org
In reply to @grimmauld:grapevine.grimmauld.de
You probably also want to make sure you don't have apparmor or anything set to block dbus calls, that has bitten me in the past too. But very few people actually try to use that stuff on nix...
Before trying your suggestions, I tried installing Nautilus since I didn't have it. And now the file pickers seem to work. 		19:05:09
@grimmauld:grapevine.grimmauld.deGrimmauld (any/all)huh19:05:20
@jaafar:kde.org@jaafar:kde.orgYeah.19:06:43
@jaafar:kde.org@jaafar:kde.orgThough Nautilus doesn't have its icon for whatever reason.19:07:04
@jaafar:kde.org@jaafar:kde.org
In reply to @jaafar:kde.org
Though Nautilus doesn't have its icon for whatever reason.
Nevermind; a quick log-out and log-in fixed that, too. 		19:10:36
@jaafar:kde.org@jaafar:kde.org left the room.19:43:30
@jaafar:kde.org@jaafar:kde.org joined the room.19:47:23
@normalcea:matrix.orgjasi 🏳️‍⚧️
In reply to @jaafar:kde.org
My wild guess is that it's something that has to do with my choice of display manager, which is COSMIC Comp rather than GDM. I know that GNOME needs GDM for "some features", but I don't know if the file picker is one of them.
It might be that your portals setup is mangled due to this 		19:55:16
@normalcea:matrix.orgjasi 🏳️‍⚧️Applications interact with the desktop's file picker via xdg desktop portals.19:55:51
@normalcea:matrix.orgjasi 🏳️‍⚧️My recommendation is to use GDM for GNOME19:56:48
@jaafar:kde.org@jaafar:kde.orgSure. Though it's a bit finnickey with my monitor.19:58:59
@jaafar:kde.org@jaafar:kde.org * 19:59:10
@normalcea:matrix.orgjasi 🏳️‍⚧️
In reply to @jaafar:kde.org
Though Nautilus doesn't have its icon for whatever reason.
This also might be due to dconf settings being set incorrectly, usually happens when switching from a non-GNOME de to GNOME (like KDE Plasma) 		20:00:15
@normalcea:matrix.orgjasi 🏳️‍⚧️ So you should also reset all dconf variables (dconf reset /) 20:00:39
@normalcea:matrix.orgjasi 🏳️‍⚧️There also may be leftover gtkrc files in your home dir that also may need to be cleaned up20:01:14

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