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diff --git a/blog/huion.md b/blog/huion.md index b5198c2..69acda6 100644 --- a/blog/huion.md +++ b/blog/huion.md @@ -3,11 +3,15 @@ First published: 2026/03/13 ## Prerequisites: -**Tablet:** Huion Kamvas 13 2.5k QHD -**Laptop:** Dell Inspiron 15-3567 -**OS:** Artix Linux running i3 (Xorg) + +__Tablet:__ Huion Kamvas 13 2.5k QHD + +__Laptop:__ Dell Inspiron 15-3567 + +__OS:__ Artix Linux running i3 (Xorg) ## The Problem: + Xorg's wacom drivers (`xf86-input-wacom`) don't work out of the box. I will detail here the methods I tried to get my tablet up and running. While I highly suggest consulting the [Arch Linux Wiki](https://wiki.archlinux.org/title/Graphics_tablet), the information here may be useful to those troubleshooting the Kamvas 13 if the docs don't help. @@ -198,20 +202,30 @@ For example, if I press and release the topmost button, I get: and I note this down as "Button 1: 1", in the format of "Button [physical location]: [xinput output]" (you note the number following "press" or "release" as the ID). My tests culminated into the following (buttons are counted from top to bottom): ->Button 1: 1 ->Button 2: 2 ->Button 3: 3 ->Button 4: 8 ->Button 5: 9 ->Button 6: 10 ->Button 7: 11 + +> Button 1: 1 + +> Button 2: 2 + +> Button 3: 3 + +> Button 4: 8 + +> Button 5: 9 + +> Button 6: 10 + +> Button 7: 11 This is the expected output. The skipped numbers are reserved, as mentioned by the DIGImend README: ->Note that buttons are numbered 1, 2, 3, 8, 9, 10, and so on, i.e. buttons 4, 5, 6, and 7 are not used. They're reserved for vertical and horizontal scrolling events by the X server. + +> Note that buttons are numbered 1, 2, 3, 8, 9, 10, and so on, i.e. buttons 4, 5, 6, and 7 are not used. They're reserved for vertical and horizontal scrolling events by the X server. Additionally, I tested the stylus buttons again via `xinput test 18` and got the following in the mess of motion detection. I pressed each button multiple times to ensure I can catch it easily after ending the test process: ->Top button: 1 ->Bottom button: 3 + +> Top button: 1 + +> Bottom button: 3 Now, this overlap in numbers may seem problematic, but it is handled well in `xsetwacom`, as we can map them to different input keys. @@ -225,65 +239,74 @@ To set the last button (button 11) to Ctrl+Z, run: A quick test in Krita works. `showkeys -a` output is `^Z 26 0032 0x1a`. Repeat the process for every button on your tablet. To see all supported key modifiers, run `xsetwacom list modifiers`. My configuration, which is intended for Krita, is laid out as such: ->Button 1: Save (Ctrl+S) ->Button 2: Mirror canvas (M) ->Button 3: Zoom in (Ctrl+=) ->Button 4: Pan (Space) ->Button 5: Zoom out (Ctrl+-) ->Button 6: Resize brush (by dragging) (Shift) ->Button 7: Undo (Ctrl+Z) + +> Button 1: Save (Ctrl+S) + +> Button 2: Mirror canvas (M) + +> Button 3: Zoom in (Ctrl+=) + +> Button 4: Pan (Space) + +> Button 5: Zoom out (Ctrl+-) + +> Button 6: Resize brush (by dragging) (Shift) + +> Button 7: Undo (Ctrl+Z) My stylus buttons: ->Button 1: Eraser (E) ->Button 2: Eyedropper (hold) (Ctrl) -And the final config script: +> Button 1: Eraser (E) - #!/bin/sh +> Button 2: Eyedropper (hold) (Ctrl) - # Detect device IDs +And the final config script: + #!/bin/sh + + # Detect device IDs + for i in $(seq 10); do - list=$(xsetwacom list devices) + list=$(xsetwacom list devices) - if echo "$list" | grep -q Huion; then - break - fi + if echo "$list" | grep -q Huion; then + break + fi sleep 1 # waiting through startup time done - + list=$(xsetwacom list devices) pad=$(echo "${list}" | awk '/Pad pad/{print $6; exit}') stylus=$(echo "${list}" | awk '/Pen stylus/{print $6; exit}') - + if [ -z "${pad}" ]; then - exit 0 + exit 0 fi - + if [ -z "${stylus}" ]; then - exit 0 + exit 0 fi - + # Tablet display + stylus - + #xrandr | grep -q "HDMI1 connected" || exit 0 # this is commented out because it's handled in the final i3 script - + xrandr --output eDP1 --mode 1366x768 --scale 1.874x2.083 --output HDMI1 --mode 2560x1600 --same-as eDP1 - + xrandr --output eDP1 --off - + sleep 1 - + xsetwacom set "$stylus" MapToOutput HDMI1 - + # Functions - + setpad() { xsetwacom set "$pad" button "$1" "$2"; } setstylus() { xsetwacom set "$stylus" button "$1" "$2"; } - + # Tablet buttons - + setpad 1 "key +ctrl s -ctrl" setpad 2 "key m" setpad 3 "key +ctrl = -ctrl" @@ -291,9 +314,9 @@ And the final config script: setpad 9 "key +ctrl - -ctrl" setpad 10 "key +shift" setpad 11 "key +ctrl z -ctrl" - + # Stylus buttons - + setstylus 2 "key e" setstylus 3 "key +ctrl" @@ -310,19 +333,19 @@ Unplugging the tablet will not automatically restore display settings, so add an The display script: #!/bin/sh - + export DISPLAY=:0 export XAUTHORIY=/home/troy/.Xauthority - + xrandr --output HDMI1 --off --output eDP1 --auto --scale 1x1 --primary In the end, I made the script run with i3, such that I can refresh my i3 session when I plug in the tablet: #!/bin/sh - + export DISPLAY=:0 export XAUTHORITY=/home/troy/.Xauthority - + if xrandr | grep -q "HDMI1 connected"; then /home/troy/wacom-config.sh else |