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"Unable to capture screen" on KDE Wayland
Flameshot Version
Flameshot v12.1.0
Installation Type
Linux, MacOS, or Windows Package manager (apt, pacman, eopkg, choco, brew, ...)
Operating System type and version
openSUSE Tumbleweed 20220817
Description
Flameshot won't capture the screen under Wayland. Under X11, though, the screen capture is functional.
$ flameshot gui
flameshot: error: Unable to capture screen
flameshot: error: Unable to capture screen
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
flameshot: info: Screenshot aborted.
All the relevant screen capturing packages are installed:
xdg-desktop-portal | A portal frontend service for Flatpak | 1.14.6-1.1 | 1.3 MiB
xdg-desktop-portal-kde | QT/KF5 backend for xdg-desktop-portal | 5.25.4-1.1 | 680.0 KiB
kwayland | KDE Wayland library | 5.97.0-1.1 | 2.1 MiB
kwayland-integration | Integration plugins for various KDE f... | 5.25.4-1.1 | 190.1 KiB
libQt5WaylandClient5 | Qt 5 Wayland Addon | 5.15.5+kde39-1.1 | 1.5 MiB
libQt5WaylandCompositor5 | Qt 5 Wayland Addon | 5.15.5+kde39-1.1 | 1.8 MiB
libQt6WaylandClient6 | Qt 6 WaylandClient library | 6.3.1-1.1 | 900.2 KiB
libQt6WaylandCompositor6 | Qt 6 WaylandCompositor library | 6.3.1-1.1 | 1.8 MiB
qt6-wayland | Qt 6 Wayland libraries and tools | 6.3.1-1.1 | 864.4 KiB
Steps to reproduce
No response
Screenshots or screen recordings
No response
System Information
- openSUSE Tumbleweed 20220817
-
-
$ inxi --width 80 --system --graphics System: Host: ryzen-desktop Kernel: 5.19.1-1-default arch: x86_64 bits: 64 Desktop: KDE Plasma v: 5.25.4 Distro: openSUSE Tumbleweed 20220817 Graphics: Device-1: AMD Navi 10 [Radeon RX 5600 OEM/5600 XT / 5700/5700 XT] driver: amdgpu v: kernel Display: wayland server: X.org v: 1.21.1.4 with: Xwayland v: 22.1.3 compositor: kwin_wayland driver: X: loaded: modesetting unloaded: fbdev,vesa gpu: amdgpu resolution: 2560x1440 OpenGL: renderer: AMD Radeon RX 5700 XT (navi10 LLVM 14.0.6 DRM 3.47 5.19.1-1-default) v: 4.6 Mesa 22.1.4$ loginctl show-session $(loginctl show-user $(whoami) -p Display --value) -p Type --value wayland$ xrandr --listactivemonitors Monitors: 1 0: +*XWAYLAND0 2560/600x1440/340+0+0 XWAYLAND0$ xrandr | grep -v " disconnected " Screen 0: minimum 16 x 16, current 2560 x 1440, maximum 32767 x 32767 XWAYLAND0 connected primary 2560x1440+0+0 (normal left inverted right x axis y axis) 600mm x 340mm 2560x1440 164.78*+ 1920x1440 164.80 1600x1200 164.75 1440x1080 164.78 1400x1050 164.80 1280x1024 164.68 1280x960 164.67 1152x864 164.60 1024x768 164.78 800x600 164.38 640x480 164.26 320x240 163.69 1920x1200 164.78 1680x1050 164.78 1440x900 164.61 1280x800 164.65 720x480 164.18 640x400 164.01 320x200 161.83 2048x1152 164.69 1920x1080 164.82 1600x900 164.66 1368x768 164.67 1280x720 164.53 1024x576 164.65 864x486 164.71 720x400 164.23 640x350 164.46$ lspci | grep -i 'vga\|3d\|2d' 2d:00.0 PCI bridge: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 XL Upstream Port of PCI Express Switch (rev c1) 2f:00.0 VGA compatible controller: Advanced Micro Devices, Inc. [AMD/ATI] Navi 10 [Radeon RX 5600 OEM/5600 XT / 5700/5700 XT] (rev c1)$ uname -a Linux ryzen-desktop 5.19.1-1-default #1 SMP PREEMPT_DYNAMIC Thu Aug 11 11:32:52 UTC 2022 (a5bf6c0) x86_64 x86_64 x86_64 GNU/Linux
I had the same mistake
$flameshot Flashshot: error: unable to capture screen Flashshot: error: unable to capture screen qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
I have the same problem, is there any progress?
Unable to get current screen, starting to use primary screen. It may be a cause of logical error and working with a wrong screen.
Unable to get current screen, starting to use primary screen. It may be a cause of logical error and working with a wrong screen.
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
Unable to get current screen, starting to use primary screen. It may be a cause of logical error and working with a wrong screen.
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
The call here will be reached but always result in an empty uri string.
https://github.com/flameshot-org/flameshot/blob/001726a565049ebfeb237a3a39b77104899b970e/src/utils/screengrabber.cpp#L69-L73
However, other screenshot apps for wayland that rely on the portal also don't work on KDE.
I think the problem might be somewhere else?
Same issue on Manjaro 21.3.7 Gnome 42.4
Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use QT_QPA_PLATFORM=wayland to run on Wayland anyway.
flameshot: error: Unable to capture screen
flameshot: error: Unable to capture screen
flameshot: info: Screenshot aborted.
Hi, same issue here on Ubuntu 21.10 / Gnome 43 / Wayland :
[10:03:54] ❯ flameshot gui
Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use QT_QPA_PLATFORM=wayland to run on Wayland anyway.
flameshot: error: Unable to capture screen
flameshot: error: Unable to capture screen
flameshot: info: Screenshot aborted.
same problem here on Arch Linux / Sway
tried debugging a bit, but I've never worked with Qt or dbus, so it wasn't very conclusive. I saw that grim is using some sort of wayland protocol instead of dbus, so maybe try looking into this? I've also heard of pipewire working for screencasts (that's how OBS does it iirc), so maybe add it as a fallback if it's easy enough.
@RiedleroD Would it be possible for you to try to reproduce this in a clean VM (same OS, same Sway) and see if the issue persists?
sorry for the delay, I got really busy lately 😓
same behaviour with newest arch linux ISO, sway and very minimal config.
I had to set QEMU/KVM to use QXL to make sway work at all, set WLR_NO_HARDARE_CURSORS=1 to make the cursor visible, set XDG_CURRENT_DESKTOP=Sway to make Qt choose the correct rendering backend, and set the keyboard layout in the sway configs.
oh wtf I installed the KDE implementation of xdg-desktop-portal and it started working… Maybe the WLR backend doesn't implement the functions correctly? Or maybe flameshot is assuming some UB. I'll investigate after dinner.
alright so according to testing, it works if I install xdg-desktop-portal-wlr AND xdg-desktop-portal-(one of gtk, kde or gnome, but not lxqt for some reason)
I tried to find out if I could make wlr do whatever the other portals are doing, but I'm honestly stumped. I tested if the wlr backend works with other screenshot software, which it does. So idk.
alright so according to testing, it works if I install xdg-desktop-portal-wlr AND xdg-desktop-portal-(one of gtk, kde or gnome, but not lxqt for some reason)
This is a very interesting finding. Very interesting!
So after some thinking, I've come up with a hypothesis: flameshot uses some other xdg portal that isn't implemented by wlr. I don't know what flameshot does internally, so you might know more about that.
WLR only implements Screenshot and ScreenCast LxQt only implements FileChooser KDE and GTK both implement FileChooser, AppChooser, Print, Notification, Inhibit, Access, Account, Email, DynamicLauncher and Settings
Since both the kde and gtk backends work, I only listed the portals both support. the gnome portal depends on the gtk one, so I didn't list it. Since flameshot only works with WLR and either KDE or GTK installed, I suspect it needs one of the other listed portals. Probably Notification, though I'm not sure what the Inhibit and Access portals are doing…
In any case, if this can't be resolved properly for now, I suggest adding the workaround to the readme. I'd also add it to the arch wiki if you confirm that you can't fix it on your side of things.
Installing xdg-desktop-portal-wlr in addition to xdg-desktop-portal, xdg-desktop-portal-gtk and xdg-desktop-portal-gnome does allow me to run flameshot gui from a terminal, and things do work.
What's really strange is that if I use the .desktop file to launch flameshot (via the Gnome dash), nothing works at all except for the "Configure" option. I double-checked the /usr/share/applications/org.flameshot.Flameshot.desktop file, and nothing looks out of the ordinary there. I see that the "Take Screenshot" action is = flameshot gui, so I have no idea why it's not working. It should behave exactly the same way as running through a terminal correct?
I even tried copying the .desktop file to ~/.local/share/applications/ and started to make tweaks to it, but was unable to get things working...
System Info:
- Arch Linux
- Gnome 43
- Flameshot 12.1.0-1
/usr/share/applications/org.flameshot.Flameshot.desktop
met the same problem, running from terminal is ok
System Info:
- Manjaro 22
- GNONE 43.1
- Flameshot 12.1.0, Compiled with Qt 5.15.5
I am on Kubuntu 22.10 (wayland) and I don't have any issue except it doesn't copy to clipboard. I also installed flameshot from ubuntu repos.
Flameshot v12.1.0 (Debian 12.1.0-1)
Compiled with Qt 5.15.4
Cannot run flameshot on Ubuntu 22.10
flameshot gui
Warning: Ignoring XDG_SESSION_TYPE=wayland on Gnome. Use QT_QPA_PLATFORM=wayland to run on Wayland anyway.
Qt: Session management error: None of the authentication protocols specified are supported
I installed xdg-desktop-portal-wlr, xdg-desktop-portal, xdg-desktop-portal-gtk and xdg-desktop-portal-gnome. This did not help me.
Flameshot v12.1.0 () Compiled with Qt 5.15.3
@ahangarha
I am on Kubuntu 22.10 (wayland) and I don't have any issue except it doesn't copy to clipboard. I also installed flameshot from ubuntu repos.
How about running flameshot first (to have the daemon running) and then flameshot gui?
I seem to have this error as well. Fedora 37, swaywm 1.7, Flameshot v12.1.0 (-) Compiled with Qt 5.15.5
xdg-desktop-portal.x86_64 1.15.0-4.fc37 @updates
xdg-desktop-portal-gnome.x86_64 43.1-1.fc37 @anaconda
xdg-desktop-portal-gtk.x86_64 1.14.1-1.fc37 @updates
xdg-desktop-portal-wlr.x86_64 0.6.0-2.fc37 @fedora
It works on terminal when I run flameshot gui but nothing happens if I bind it to a key. On terminal i also get the same errors
Unable to get current screen, starting to use primary screen. It may be a cause of logical error and working with a wrong screen.
Unable to get current screen, starting to use primary screen. It may be a cause of logical error and working with a wrong screen.
qt.qpa.wayland: Wayland does not support QWindow::requestActivate()
Unable to get current screen, starting to use primary screen. It may be a cause of logical error and working with a wrong screen.
flameshot: info: Screenshot aborted.
Here on a Sway installation by EndeavourOS the command just hangs forever, no error message.
I have this installed.
grim 1.4.0-3
xdg-desktop-portal 1.16.0-1
xdg-desktop-portal-gnome 43.1-1
xdg-desktop-portal-gtk 1.14.1-1
xdg-desktop-portal-wlr 0.6.0-1
And ran
export XDG_CURRENT_DESKTOP=Sway
flameshot gui
@J053Fabi0 make sure you have read this: https://github.com/flameshot-org/flameshot/blob/master/docs/Sway%20and%20wlroots%20support.md
I seem to have this error as well. Fedora 37, swaywm 1.7, Flameshot v12.1.0 (-) Compiled with Qt 5.15.5
xdg-desktop-portal.x86_64 1.15.0-4.fc37 @updates xdg-desktop-portal-gnome.x86_64 43.1-1.fc37 @anaconda xdg-desktop-portal-gtk.x86_64 1.14.1-1.fc37 @updates xdg-desktop-portal-wlr.x86_64 0.6.0-2.fc37 @fedoraIt works on terminal when I run
flameshot guibut nothing happens if I bind it to a key. On terminal i also get the same errorsUnable to get current screen, starting to use primary screen. It may be a cause of logical error and working with a wrong screen. Unable to get current screen, starting to use primary screen. It may be a cause of logical error and working with a wrong screen. qt.qpa.wayland: Wayland does not support QWindow::requestActivate() Unable to get current screen, starting to use primary screen. It may be a cause of logical error and working with a wrong screen. flameshot: info: Screenshot aborted.
The cause of this was actually not setting the XDG_CURRENT_DESKTOP variable in swaywm, so the keybind didn't work. But since then I have updated my kernel and seem to be facing a new problem, where flameshot is unable to start.
#2151
Arch Kernel: 6.6.14-1-lts Plasma 5.27.10 Wayland
Flameshot v12.1.0 (-) Compiled with Qt 5.15.10
When i try to run flameshot gui or make a screenshot any other way, i get this:
flameshot: error: Unable to capture screen
flameshot: error: Unable to capture screen
flameshot: info: Screenshot aborted.
Flameshot-git: Flameshot v12.1.0 (3d21e496) Compiled with Qt 5.15.12
flameshot: error: Unable to capture screen
flameshot: error: Unable to capture screen
QLayout: Attempting to add QLayout "" to SidePanelWidget "", which already has a layout
flameshot: info: Screenshot aborted.
Flameshot-old works for me, but it's painfully slow on wayland (which is why i'm trying to update it).
