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Description of problem: I am running KDE Plasma and try to add second keyboard layout next to default one (en US); for example slovak one. Doing so, some key-combos stop working (alt+h which I am used to - switching between tmux panes). Xev output: KeyPress event, serial 40, synthetic NO, window 0x7e00001, root 0x14b, subw 0x7e00002, time 2809131, (60,43), root:(771,399), state 0x0, keycode 64 (keysym 0xffe9, Alt_L), same_screen YES, XLookupString gives 0 bytes: XmbLookupString gives 0 bytes: XFilterEvent returns: False FocusOut event, serial 40, synthetic NO, window 0x7e00001, mode NotifyGrab, detail NotifyAncestor FocusIn event, serial 40, synthetic NO, window 0x7e00001, mode NotifyUngrab, detail NotifyAncestor KeymapNotify event, serial 40, synthetic NO, window 0x0, keys: 2 0 0 0 0 8 0 0 1 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 KeyRelease event, serial 40, synthetic NO, window 0x7e00001, root 0x14b, subw 0x7e00002, time 2809541, (60,43), root:(771,399), state 0x8, keycode 43 (keysym 0x68, h), same_screen YES, XLookupString gives 1 bytes: (68) "h" XFilterEvent returns: False KeyRelease event, serial 40, synthetic NO, window 0x7e00001, root 0x14b, subw 0x7e00002, time 2809882, (60,43), root:(771,399), state 0x8, keycode 64 (keysym 0xffe9, Alt_L), same_screen YES, XLookupString gives 0 bytes: XFilterEvent returns: False Version-Release number of selected component (if applicable): xkeyboard-config-2.21-3.fc27.noarch How reproducible: Always Steps to Reproduce: 1. Add second keyboard layout in KDE Plasma Settings 2. Observe Xev's output 3. See FocusIn/FocusOut events instead of proper reaction or 1. setxkbmap -layout sk 2. as above Actual results: alt+h is not sent Expected results: alt+h works
what's the output of setxkbmap -print after you set the layout, and I'll need the keymap from: xkbcomp -xkb $DISPLAY keymap.xkb
$ setxkbmap -print xkb_keymap { xkb_keycodes { include "evdev+aliases(qwerty)" }; xkb_types { include "complete" }; xkb_compat { include "complete" }; xkb_symbols { include "pc+us+sk:2+inet(evdev)+group(alt_shift_toggle)+capslock(ctrl_modifier)" }; xkb_geometry { include "pc(pc104)" }; }; keymap.xkb is rather long and is attached to this report. Thanks.
Created attachment 1512403 [details] keymap dump
can't see anything obviously wrong with the keymap but the xev output shows something: KeyPress event, serial 40, synthetic NO, window 0x7e00001, root 0x14b, subw 0x7e00002, time 2809131, (60,43), root:(771,399), state 0x0, keycode 64 (keysym 0xffe9, Alt_L), same_screen YES, XLookupString gives 0 bytes: XmbLookupString gives 0 bytes: XFilterEvent returns: False alt key is now down FocusOut event, serial 40, synthetic NO, window 0x7e00001, mode NotifyGrab, detail NotifyAncestor something (probably the window manager) grabbed the device FocusIn event, serial 40, synthetic NO, window 0x7e00001, mode NotifyUngrab, detail NotifyAncestor something (probably the WM) ungrabbed the device KeyRelease event, serial 40, synthetic NO, window 0x7e00001, root 0x14b, subw 0x7e00002, time 2809541, (60,43), root:(771,399), state 0x8, keycode 43 (keysym 0x68, h), same_screen YES, XLookupString gives 1 bytes: (68) "h" XFilterEvent returns: False KeyRelease event, serial 40, synthetic NO, window 0x7e00001, root 0x14b, subw 0x7e00002, time 2809882, (60,43), root:(771,399), state 0x8, keycode 64 (keysym 0xffe9, Alt_L), same_screen YES, XLookupString gives 0 bytes: XFilterEvent returns: False releases for h and alt. So the key press for h is missing. My first guess would be that kwin doesn't call XAllowEvents with the correct parameters so the event is dropped rather than replayed. Is this under Wayland or under Xorg? Can you reproduce this in a GNOME session?
Hi, running KDE Plasma, the "h" key press event is missing. When I switched to GNOME Shell, it worked as expected. I am using sddm login manager and choose from the combobox either Plasma or GNOME Shell on Xorg. Any tips?
Definitely a kde window manager bug then, punting to kwin in the hope it's the right component.
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Upgrading to KDE Plasma 5.17 seems to fix this. Closing.