I have a secondary monitor above my laptop (Thinkpad X201t)'s inbuilt display. I have two Application Launchers, one which behaves correctly on a panel at the top of the top screen, and one which doesn't on a panel on the bottom of the bottom screen. I've tried adjusting the visibility settings on the bottom panel, and moving the Launcher around within the panel, with no apparent effect. Whether I click the button on the bottom panel or hit the meta key, the Application Launcher opens at the midpoint of the baseline of the top screen. This looks similar, but I'm seeing this immediately after logging in, and on a different screen rather than just misplaced: https://bugs.kde.org/show_bug.cgi?id=368373 % xrandr Screen 0: minimum 320 x 200, current 1920 x 1880, maximum 8192 x 8192 LVDS-1 connected primary 1280x800+640+1080 (normal left inverted right x axis y axis) 261mm x 163mm 1280x800 60.00*+ 1024x768 60.04 60.00 960x720 60.00 928x696 60.05 896x672 60.01 960x600 60.00 960x540 59.99 800x600 60.00 60.32 56.25 840x525 60.01 59.88 800x512 60.17 700x525 59.98 640x512 60.02 720x450 59.89 640x480 60.00 59.94 680x384 59.80 59.96 576x432 60.06 512x384 60.00 400x300 60.32 56.34 320x240 60.05 VGA-1 connected 1920x1080+0+0 (normal left inverted right x axis y axis) 531mm x 299mm 1920x1080 60.00*+ 1600x1200 60.00 1680x1050 59.95 1280x1024 75.02 60.02 1440x900 59.89 1280x960 60.00 1152x864 75.00 1024x768 75.03 70.07 60.00 832x624 74.55 800x600 72.19 75.00 60.32 56.25 640x480 75.00 72.81 66.67 59.94 720x400 70.08 HDMI-1 disconnected (normal left inverted right x axis y axis) DP-1 disconnected (normal left inverted right x axis y axis) Reproducible: Always Steps to Reproduce: 1. Attach external monitor 2. Start KDE 3. Open Application Launcher by clicking on default panel's button on bottom display or hitting meta key Actual Results: Launcher opens at midpoint of baseline of top monitor. Expected Results: Launcher opens on bottom display near button. Setting this to minor as it seems like it's fairly specific to my setup. Will try to find any other factors that influence this, (e.g. have a go with different DMs, and a Live USB) but haven't had any luck so far.
screenshot?
Created attachment 101619 [details] Application Launcher opens on wrong screen, Plasma 5.8
Created attachment 101620 [details] Submenu opens on wrong screen, Plasma 5.8 I've subsequently noticed this happening too. If I open a menu (whether from the panel or the desktop) on the right hand edge of the top monitor, and it has a submenu which would appear partly outside the monitor if it appeared to the right of the parent menu, it'll appear on the inbuilt laptop screen instead. Menus anywhere else on either screen don't seem to be affected. Should I open a separate bug, or wait to see if it turns out to be the same underlying cause?
A clarification to the above: when I said 'moving the launcher icon on the panel had no effect' I misspoke - as you can probably guess from the screenshot, the launcher appears as close as it can to the right spot, but on the wrong screen. This holds true however I arrange my screens. Also, I tried switching to SDDM, but that didn't change anything. I'll try a Live USB when I get a moment later.
Newly created user accounts don't show the problem. I really thought I'd checked that already (maybe I did, but before recent updates?) At any rate, I think it's probably safe to close this on the assumption that it's some kind of cruft in my dotfiles (the user account is at least 6 years old), and won't be reproducible. If you want any further information please ask, and sorry for wasting your time.