Tested on KDE Plasma 5 using Wayland.
Following today’s snapshot’s switch to SDL3 for handling input, several keys found on foreign keyboards or multimedia keyboards (for example the Mail key on my Cherry DC 2000) now produce “Not Bound” when attempting to bind game controls to them, even though things could be bound to them in the previous snapshot.
A Python script is attached to this ticket which can be used to simulate key presses for those who only have access to a standard keyboard, or those who wish to test rarer keys. Example command listed below:
./simulate-keys 'sleep 2' 'press 140' 'sleep 0.1' 'release 140'
The value “140” can be replaced with another number to simulate the pressing of a distinct key. The following is a list of all values I can confirm produce Not Bound on my end, followed by their evdev names:
101 KEY_LINEFEED
112 KEY_MACRO
132 KEY_FRONT
140 KEY_CALC
141 KEY_SETUP
144 KEY_FILE
145 KEY_SENDFILE
146 KEY_DELETEFILE
147 KEY_XFER
148 KEY_PROG1
149 KEY_PROG2
150 KEY_WWW
151 KEY_MSDOS
152 KEY_SCREENLOCK
153 KEY_DIRECTION
154 KEY_CYCLEWINDOWS
155 KEY_MAIL
157 KEY_COMPUTER
160 KEY_CLOSECD
169 KEY_PHONE
170 KEY_ISO
175 KEY_MOVE
176 KEY_EDIT
177 KEY_SCROLLUP
178 KEY_SCROLLDOWN
202 KEY_PROG3
203 KEY_PROG4
204 KEY_DASHBOARD
205 KEY_SUSPEND
209 KEY_BASSBOOST
211 KEY_HP
212 KEY_CAMERA
213 KEY_SOUND
214 KEY_QUESTION
215 KEY_EMAIL
216 KEY_CHAT
218 KEY_CONNECT
219 KEY_FINANCE
220 KEY_SPORT
221 KEY_SHOP
224 KEY_BRIGHTNESSDOWN
225 KEY_BRIGHTNESSUP
227 KEY_SWITCHVIDEOMODE
228 KEY_KBDILLUMTOGGLE
229 KEY_KBDILLUMDOWN
230 KEY_KBDILLUMUP
231 KEY_SEND
232 KEY_REPLY
233 KEY_FORWARDMAIL
235 KEY_DOCUMENTS
236 KEY_BATTERY
237 KEY_BLUETOOTH
238 KEY_WLAN
239 KEY_UWB
240 KEY_UNKNOWN
243 KEY_BRIGHTNESS_CYCLE
244 KEY_BRIGHTNESS_AUTO
245 KEY_DISPLAY_OFF
246 KEY_WWAN
247 KEY_RFKILL
Expected result: for each of these, attempting to bind a control to them would result in that control actually being bound to that key.
Actual results: attempting to bind any controls to any of the listed keys instead unbinds them.
Linked issues
is duplicated by 1
Attachments
Comments 4
Can confirm.
This isn’t actually a state of the control not being bound, the control is bound to a “Not Bound” (key.keyboard.unknown) key instead. You can still use any key that is recognized as “Not Bound” for the given action. For example, you can bind “Not Bound” to Jump, and then jump using any key that isn’t recognized, such as KEY_MAIL.
The issue appears to be here - many of these are mapped to “unknown”: https://github.com/libsdl-org/SDL/blob/855cbec702f246661ff00a0bce9e0683012840c2/src/events/scancodes_linux.h
There is a bug report here: https://github.com/libsdl-org/SDL/issues/16047
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