Text gets blurry in popup selection with two monitors

[dragove]

I have two monitors with different resolution and scale coefficient. which is configured with

# 4k with scale 2
monitor=DP-1,3840x2160,0x0,2
# 1080P with scale 1
monitor=eDP-1,1920x1080@144,1920x0,1

And I launched pavucontrol (a wayland-native app) in my 4k monitor, then select port, the text in popup is blurry.

An interesting thing is that if I add a small scale coefficient (e.g. 1.0001) to my 1080P monitor, text will not be blurry. But if the scale coefficient is less or equal to 1, text gets blurry.

[1024th]

I can reproduce the bug. Another thing I noticed is that only GTK applications (e.g. evince, nemo) have the problem. The popup in Qt applications (e.g. Dolphin) is not blurry.

I can confirm that if I add a small scale coefficient (e.g. 1.0001) to the 1080P monitor, text will not be blurry.

Both menu popups and tooltip popups are affected.

My Hyprland config about monitors:

monitor = eDP-1,1920x1080,3072x648,1
monitor = DP-1,3840x2160,0x0,1.25

Hyprland Version:

Hyprland, built from branch main at commit ab5497a0c9e9269b1036a0bede42cbd0bbfd94b9 dirty (input: properly track xdg surfaces' geometry in vectorToSurfaceLocal).
Tag: v0.31.0-61-gab5497a0

flags: (if any)
debug

[15cm]

For Fcitx5, it doesn't seem to be an Hyprland issue on my end. I tried these version combinations:

• Fcitx5: [5.0.23, 5.11]
• Hyprland: [0.31 at commit 4a4e13f8acedd2dc44236deed13fd47096cbe508, 0.32 at commit 2e26542e3bba3533e71e13f2257823d96da2318a]

5.11 Fcitx5 has the issue regardless of Hyprland versions and 5.0.23 Fcitx5 doesn't have the issue. I worked around the issue by pinning fcitx5 version to 5.0.23 on NixOS like this

Update: Disabling "Enable fractional scale under Wayland" in the Fcitx5 Classic User Interface addons fixes the issue on 2X scale on 5.11 Fcitx5.

[q234rty]

Update: Disabling "Enable fractional scale under Wayland" in the Fcitx5 Classic User Interface addons fixes the issue on 2X scale on 5.11 Fcitx5.

This is a hyprland issue, not a fcitx5 bug: env WAYLAND_DEBUG=1 fcitx5 shows that a preferred_scale of 120 (which means a scale of 1 in this context) is sent by hyprland, even though scaling is enabled on the monitor. fcitx5_pr.log

[vaxerski]

is this still a thing?

[dragove]

Yes, it's still blurry on 0.40

[dragove]

It seems this issue has been fixed. If anyone encountered again, please leave a comment with reproduce log or open a new issue. thanks.