The events seen by xev include key presses (and releases), mouse motion and button presses (and releases) (including specifically Found my keyboard is indeed split into two sources, and the media keys only show up in the second source as the correct keys. Thus, show you the result of xev when pressing first Alt_R and then Alt_L. The article explains how to interpret the xev output and Re: Xev does not see the key #2 by Head_on_a_Stick » 2015-11-16 06:57 Check your firmware (BIOS) options for a setting to enable the keys. Pressing the thumb button in xev gives the following: KeyPress event, serial 36, synthetic NO, window 0x2c00001, root 0x270, subw 0x0, time 1922861, (169,43), Remapping of key with xmodmap is detected by xev but not by other apps? Ask Question Asked 2 years, 8 months ago Modified 2 years, 8 months ago However, when using libinput debug-events or xev, nothing happens when any button is pressed. I can see the correct key code when I press it. Here's everything I got for each key: I've encountered a strange issue in my EndeavourOS-i3wm system. Debian on pc does not recognize Menu key. However, some compressed, simplified, or simply non-standard keyboards can compose various I'm trying to map the special 'FN' key on a Logitech K360 keyboard to 'Mod3' in the i3wm window manager on Debian. You are currently viewing LQ as a guest. However, I can't find the keycode for the 'FN' key. I have added a custom X11 config file to force the tablet through evdev directly rather than Xev does not see the key #1 by ququshka77 » 2015-11-16 01:52 Hi! I set up the multimedia keys. I must note that it notifies my when I press volume controls, Using showkey shows the keys still work and are still detected at least somewhat (with a keycode of 164 and a scancode of 0xe0 0x22), however Xorg's xev do not detect the keys at all. org, a friendly and active Linux Community. Xev (or showkey) does not see the key. I haven't reconfigured any keyboard settings or messed with xkbmap. When testing it using xev I get the following outputs: KeyPress event, serial 38, synthetic NO, window 0x1000001, Menu key is not recognized. The escape key is not functioning at all. Just start /usr/bin/xev on a command line, and try out the keys of your keyboard. There are multiple evdev API testers, but the most straightforward is evtest(1) from the evtestpackage: Use the "value" field of MSC_SCAN. My brightness keys don't always activate. This indicates that the key you pressed is keycode 57 (in decimal), and that it's associated with the "key symbol" (keysym) "n". To check the kernel keycodes, you will need to switch to the console. This example shows that NumLock has scan In order to see these events is xev you will need to stop/disable the other program. This article provides a step-by-step guide to diagnose and resolve an unresponsive key issue on a Linux system using the xev tool. By joining our community you will have the ability to post topics, receive our To do that, I need to know its keycode which could theoretically be obtained from xev. This I am using the Microsoft natural ergonomic keyboard 4000 The special keys, the silver ones, are not detected when using xev. When I run xev and press this key I obtain the following which does not seem to give me a keycode The most reliable way to obtain a scancode is to reference the MSC_SCAN evdev event produced when the key is pressed . It can create its own window or grab events sent to some other window. The events seen by How can I find out the event keycode that it emmits when I press this combination? I tried showkey -a, showkey -k and xev which both shows most keys codes when pressed, but at Fn + F6 they stay Finding key codes The key codes used by actkbd when binding commands will not match with the key code events xev reports. However, when using xev, the key doesn’t produce any output at all. My /boot/loader. When I run xev and press this key I obtain the following which does not seem to give me a keycode On my keyboard, there are three keys - Cut, Copy, and Paste: However, I cannot assign these as xev doesn't detect them. I ran xev, and I'm trying to see what happens when I press Fn+F5 or Fn+F6, which are brightness controls, and xev didn't show anything. If you can't determine what program is stealing the key events the best solution is to start another X session If xev doesn't output anything when the key is pressed, check that the Linux kernel is getting the keycodes. I'm having a problem when pressing some keybinds (specifically with some keycodes). I have a logitech K350 keyboard, all but a few of the keys work as expected but there is one specific key that I want to use but when I The xev program displays X events. Basically, I want the 'z' key to continue to work normally, but if I click on the right ALT key, I want this to show: '«' (guillemotleft) KeyRelease event, serial 37, synthetic NO, window Now there is a program called showkey which lets me see the keycode for any key pressed in the terminal. The key in question (key code 364, which registers as KEY_FAVORITES) is working perfectly when I test it with showkey and evtest. They are not seen at all by xev (I have tested it with just an xterm as an "X session" to be sure nothing grab them). xev -event keyboard keycode 135 (keysym 0x0, NoSymbol) I have Debian on pc and laptop. However they are seen by showkey in the console: for example volume up I recently got the Logitech M720. conf To see keypress events, keycodes, keysyms and the results of XLookupString, you could use xev (1). Showkey and xev The "windows" key on my laptop stopped to work inexplicably. Is there any command to get the corresponding character for a specific Welcome to LinuxQuestions. A normal keyboard sends one keycode per physical key using standard USB HID or PS/2 keycodes. To do that, I need to know its keycode which could theoretically be obtained from xev. 04. Obtaining key codes with xev While logged into an X session, using nix I'm using xubuntu 14. But when I connect this You will only get a software showing a window getting key press. What can I do? GitHub Gist: instantly share code, notes, and snippets. It seems that while the "Consumer Control" device is detected and associated with /dev/input/event10, it's not actually reporting any events when tested with evtest. Any guidance on Xev is useful for debugging X applications or X server configurations. Furthermore, when I look at the log of xorg I do see X11 does not support keycodes above 247 (or 255, depending on context, due to a shift of 8 the kernel does for internal use), so it's expected to not show in xev. Wayland, for security reason, does not allow reading global events (window move, key press, I'm using Gentoo with XFCE. The crucial thing to use xev for is to identify the keycodes of the control, . Xev is useful for debugging X applications or X server configurations.
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