SUMMARY In the section "drag screens to re-arrange them" the boxes do not snap correctly when it has a replicate. It's close, but not quite accurate. This causes either a gap (offsetting full screen applications), or an overlap. STEPS TO REPRODUCE 1. Set tertiary monitor to replicate secondary 2. Drag secondary monitor around in the "drag screens" section 3. Try to snap secondary monitor to the primary (0,1920) OBSERVED RESULT Inaccurate co-ordinates on snap. I've seen them in the range of 1917-1921. EXPECTED RESULT Accurate co-ordinates on snap. 0,1920 in my case. SOFTWARE/OS VERSIONS Linux/KDE Plasma: Kubuntu 21.04 5.11.0-16-generic x64 KDE Plasma Version: 5.21.4 KDE Frameworks Version: 5.80.0 Qt Version: 5.15.2
Co-ordinates should be `1920, 0`, not `0, 1920`.
Please include some screenshots it is not quite clear from the description. Snapping code was changed in 5.22 so it might be worth testing against that.
Created attachment 138157 [details] requested screenshot of "Display Configuration" Sorry I wasn't more clear in the description. Here's a screenshot showing the box snapping to 1918 instead of 1920. From moving the boxes around, it seems like the edge gets offset by 1 when they stack on top of each other. ($) ~: xrandr | grep connected DisplayPort-0 disconnected (normal left inverted right x axis y axis) DisplayPort-1 disconnected (normal left inverted right x axis y axis) HDMI-A-0 connected primary 1920x1080+1918+0 (normal left inverted right x axis y axis) 598mm x 336mm HDMI-A-1 connected 1920x1080+1919+0 (normal left inverted right x axis y axis) 886mm x 498mm DVI-D-0 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 521mm x 293mm
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Created attachment 138611 [details] 5.21.90 snap to 1919 If you'd like me to test this against 5.22, please provide information on how to acquire 5.22 installation. I looked around online, but everything called 5.22 seems to link to 5.21.9. I did test it against 5.21.9, and it is much better. I really like how the snap is less aggressive. Unfortunately, it's not quite right yet. Here's a screenshot from the KDE Neon 5.21.9 live image, showing the snap to 1919 instead of 1920.
5.21.90 is our confusing version number for the 5.22 beta. :) Gotcha, thanks. Can confirm.
...And that remaining missing pixel was just fixed for Plasma 5.26.3 with the fix for Bug 455394. *** This bug has been marked as a duplicate of bug 455394 ***