The keycodeis the numeric representation received by the kernel when a key or a mouse button is pressed. 2. Pastebin is a website where you can store text online for a set period of time. xkb_compatibility "mod3" { // set Control bit on Control_L interpret Control_L { action = SetMods(... keyboard xkb. It's very useful if you use both layouts often because while the on-screen layout indicator is alright, the LED is just so much nicer for this. The Scroll Lock key on a laptop is often a secondary function of another key, located near the Backspace key. ... { Scroll_Lock }; in xkb_symbols "basic" After that, I did a reset to the XKB layout cache by executing sudo rm -f /var/lib/xkb/* and sudo rm -f /var/lib/lib/xkb/* If we want to use many languages with the same keyboard, we will have to address four main topics: model, layout, variant and options. You may alternatively edit the /etc/X11/Xf86Config file as explained in the Danish Howto, or issue this command in an X terminal window for the Slovak keyboard: keycode 1. Can we change this so that it does work out of the box? The keys on the numeric keypad normally produce numbers of course but if I hit num lock so num lock is off they become arrow keys. The LED indicator for Caps Lock and Num Lock worked fine, but not for Scroll Lock. If a laptop is using two keys as one key, you must press the Fn key with the second key you want to use. Arguably, if Xorg is handling scroll lock through XKB, it … The scroll lock modifier CAN be changed through xset. I've used this code from /u/MeanEYE which uses the LED as a disk activity indicator, and it works quite nicely. I've been trying to write a program that enables/disables different locks (num lock, caps lock, scroll lock), but I've been having issues with caps lock. For example, to turn on the Scroll Lock LED: xset led named "Scroll Lock" mouse: The m option controls the mouse parameters; it may be abbreviated to "m". keysym 1. Caps lock light blinking for packets over VPN. You may alternatively edit the /etc/X11/Xf86Config file as explained in the Danish Howto, or issue this command in an X terminal window for the Slovak keyboard: I have an external backlit keyboard which uses the Scroll Lock key to enable the backlight, i did some research and it turns out that it's for some odd reason disabled by default in Linux. For some reason, Scroll Lock is not enabled by default. You could probably use praw to have it notify you whenever you have a new message on reddit. Switch the keyboard (NOTE: this is for XKB, my xmodmap definition uses Scroll Lock for switching, other xmodmap files use Right Alt) and enjoy. I was expecting that if I pressed the Scroll Lock key, then the Scroll Lock indicator LED would turn on and the LED in my keyboard would turn on as well, but none of those actions happen. After upgrading X to 7.3 and xkeyboard-config to the latest version, the keyboard leds stopped responding to the caps lock, scroll lock, and num lock modifiers. The additional functionality is fine, but there should be a possibility to switch the scroll behaviour if the scroll lock key is not supported. I went surfing a little more and I learned about how to make the change more permanent. Learn more. Currently, it appears that although GNOME can lock the touchpad by pressing this button, it cannot unlock it. Once the computer restarts, the settings reset. I need something slightly larger than that, it seems. Press question mark to learn the rest of the keyboard shortcuts. For some reason, XKB doesn't know about "CapsLock" vmod, while it does know about ScrollLock and NumLock. I use scroll lock to toggle my microphone on Mumble and TeamSpeak. I don't use any of the three lock keys, so my "lock" LEDs tell me in binary what keyboard layer I'm using. The xkb option is "grp_led:scroll" if anyone wants to try it. On a laptop, the ScrLk, Pause, and Break functions are usually part of another key and are in blue text. So it's as if the scroll lock status was read only when focusing in our out of the window. Note: this bug is for the 7.3 release (for which no entry in Bugzilla exists yet). My keyboard uses it for toggling the background lights of the keys. This can b… The keysym is the value assigned to the keycode. On my old setup I used it to indicate / toggle the screensaver / screen locker. It allows the user to check the state of the three locks (Caps lock, Num lock and Scroll lock) without requiring any mouse or keyboard action. Has anyone here mapped their scroll lock light to anything interesting? I found an XKB configuration file located at /usr/share/X11/xkb/symbols/us and modify it by adding modifier_map Mod3 { Scroll_Lock }; in xkb_symbols "basic" After that, I did a reset to the XKB layout cache by executing sudo rm -f /var/lib/xkb/* and sudo rm -f /var/lib/lib/xkb/*. This seems like the wrong way to do things in my opinion: xterm should just catch "keydown" events on that key. That indicated to me, that it probably has something to do with the Xserver. For example, pressing a generates the keycode 38, which is mapped to the keysym 0×61, which matches a in the ASCII table. I submit this bug as an enhancement, since as of this moment, I have no idea why Scroll Lock is not already enabled by default. It's very useful if you use both layouts often because while the on-screen layout indicator is alright, the LED is just so much nicer for this. The problem is that in PhpStorm, they scroll the whole edit window up and down rather than move the cursor. I'm trying to remap the Scroll Lock key so it produces the keycode of any of the Windows keys. I configured xkb so when one of the layouts is active, the scroll lock LED is on. XQuartz development branches of git://anongit.freedesktop.org/xorg/xserver - XQuartz/xorg-server together with scroll lock key to lock cursor to screen in synergy. > - Lock keys shouldn't make it through. Press J to jump to the feed. I configured xkb so when one of the layouts is active, the scroll lock LED is on. For some reason, Scroll Lock is not enabled by default. I went surfing online and I learned about xmodmap. The Scroll Lock key was meant to lock all scrolling techniques, and is a vestige of the original IBM PC keyboard.In the original design, Scroll Lock was intended to modify the behavior of the arrow keys.When the Scroll Lock mode was on, the arrow keys would scroll the contents of a text window instead of moving the cursor. I noticed that if I go to one of the virtual terminals, by pressing Ctrl + Alt + F1 to F6, the Scroll Lock key worked as expected, and when I returned to the graphical interface it stopped working again. That is the behavior that I expect. Finding the supported layouts and variants or values of other xkb properties does not appear to be possible with this application, ... Press Scroll Lock then type '^2' to get superscript 2 ('²') Press Scroll Lock then type '_2' to get subscript 2 ('₂') I was expecting the Scroll Lock key to work out-of-the-box. I submit this bug as an enhancement, since as of this moment, I have no idea why Scroll Lock is not already enabled by default. There are two types of keyboard values in Xorg: keycodes and keysyms. ... sclk_toggle Scroll Lock … xkb: how to make Caps Lock as Backspace working well? I have two keyboard layouts. I want to lock a certain modifier (Mod3) when pressing Control + Caps_Lock. I once had it mapped to microphone mute. Contribute to lambdalisue/rook development by creating an account on GitHub. xev no longer reacts when pressing this key, presumably because of this new feature. Now I'd love it if someone could tell me if this option (and other xkb options) will work fine under Wayland... What a nice idea. xmodmap: up to 4 keys per modifier, (keycodes in parentheses): shift Shift_L (0x32), Shift_R (0x3e), control Control_L (0x25), Control_R (0x69), mod4 Super_L (0x85), Super_R (0x86), Super_L (0xce), Hyper_L (0xcf), mod5 ISO_Level3_Shift (0x5c), Mode_switch (0xcb). I restarted the computer, and now every time I use the keyboard, no matter how many times I restart the computer, the Scroll Lock key works. Switch the keyboard (NOTE: this is for XKB, my xmodmap definition uses Scroll Lock for switching, other xmodmap files use Right Alt) and enjoy. Tech support scams are an industry-wide issue where scammers trick you into paying for unnecessary technical support services. You can help protect yourself from scammers by verifying that the contact is a Microsoft Agent or Microsoft Employee and that the phone number is an official Microsoft global customer service number. New comments cannot be posted and votes cannot be cast. I have two keyboard layouts. I do not think that this should be the case. XKB relies on some configuration files called the "symbol" files, to get the layout of a specific keyboard. It only takes a minute to sign up. For some reason, Scroll Lock is not enabled by default. I just realised, I have an extra light on my keyboard which I could use to get information. Pastebin.com is the number one paste tool since 2002. The keysyms are managed by Xorg in a table of keycodes defining the keycode-keysym relations, which is called the keymap table. This can be done with a global configuration as suggested in bug 112876 , or in a more convenient way in the menu or button like other functionalities. The xkb option is "grp_led:scroll" if anyone wants to try it. I submit this bug as an enhancement, since as of this moment, I have no idea why Scroll Lock is not already enabled by default. It also allows the lock keys to be toggled with mouse clicks, which could be useful for keyboards without Scroll lock keys or malfunctioning keyboards. Had to add it to my i3 config: Scroll Lock toggles screen recording for me. Lock button fails to re-enable touchpad. Scroll_Lock makes it, but I think that's OK. > - Autorepeat. The scroll lock indicator is used to indicate a non-default map. As a joke, I remapped it to tell me when Vim is in insert mode but, honestly, that feels like a waste of a LED. Function Window scrolling. My laptop keyboard does not have a key for Scroll Lock, so I did not notice anything was amiss. Keyboard values in Xorg: keycodes and keysyms to add it to my i3 config: scroll if. 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