Questions tagged [touch-screen]
The touch-screen tag has no usage guidance.
153
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Touchscreen freeze solution on Raspbian Buster OS
I am using a touchscreen with Raspberry Pi 4 Buster OS to implement a multiscreen UI. The app is implemented in PyQt5. The screen occasionally freezes if touched very frequently. The QT buttons stop ...
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troubleshooting touchscreen on Lenovo laptop running ubuntu 22.04.4
We have a Lenovo Yoga 730-13IKB running Ubuntu 22.04.4. The touchscreen was working for a very long time but a few months ago stop working entirely. The stylus works fine.
xinput:
⎡ Virtual core ...
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Fail to set a touchscreen in Device Tree
I'm trying to connect a touch controller via I2C to my DART6UL linux embedded board.
The follwoing if what I add to my device tree;
egalax_ts@2a {
compatible = "eeti,egalax_ts";
...
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xinput touchscreen transform matrix with cropped resolution
I'm having some trouble understanding how the xinput transformation matrix of a touchscreen (Goodix Capacitive TouchScreen) works.
I'm using a tablet with Linux installed to control a remote PC via ...
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Setting up Cage kiosk - rotating the touch input to match screen rotation
I'm VERY new to Linux, I have a "kiosk PC" with integrated touch screen that's deployed in portrait mode but the hardware thinks it's landscape. I'm currently running Debian 12 on the ...
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Touchscreen Gestures Not Working Properly on LattePanda with Xubuntu (XFCE4) & Qt App
I'm hoping to get some assistance with a touchscreen issue on a LattePanda board running Xubuntu20.04.6 LTS (XFCE4 environment). We have a Qt application designed for this setup, but we're ...
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25
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Simple GUI app for showing touchscreen activity / coordinates?
Per the title, I have a touchscreen system (raspberry-pi based) that I need to test/diagnose the touchscreen behaviour of and demonstrate functionality to a customer.
All I need is a simple GUI ...
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466
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How to disable touch screen right click in Wayfire/Wayland?
I've created a touch screen kiosk using a RPi 5 running the latest OS (eg. Bookworm + Wayfire). I'm trying to disable right-click events as they are super annoying for my use-case.
A right click ...
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Touch screen and external monitor: a ZenBook Duo - like setup?
I am using the Steam Deck as a daily driver since some time and i am pretty happy with it. If someone is not familiar, this is a pretty beefy (for normal tasks) handheld linux PC.
I configured SteamOS ...
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How to resize/transform touchscreen area with Wayland
I have an external monitor connected to a machine with a built-in touchscreen display. When setting a 16:10 external display to mirror the 16:9 touchscreen display, we get black bars on the ...
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xorg: assign touch screens to monitors - with serial number
I'm using an application with two identical (ELO branded) touch screens on xorg. I would like to automatically assign the correct touch panel to the corresponding monitor, even if usb cables or ...
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Wakeup from touchscreen does NOT work in embedded Linux
I am working on an embedded Linux (kernel-5.10.24) and there is a GT911 based touchscreen.
The touchscreen is working well now.
Then I tried to test the suspend/resume in this system.
There is an RTC ...
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How to emulate touch event by writing to /dev/input/eventX in Linux?
I am working on an embedded Linux (kernel 5.10.24) with a touch screen.
Now I want to trigger touch event by writing to /dev/input/eventX corresponding to the touch screen.
To figure out the event I ...
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Force refresh rate through HDMI + remap touchscreen of external monitor?
I hope that someone will be able to help me because I am losing my nerves. I am working on F37 Silverblue + Wayland / X11. System has nVidia Optimus, with proprietary nVidia drivers (not Nouveau).
...
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Simulate touch manipulation on Linux
I'd like to test how well my Linux app works on Linux-based touch devices. Unfortunately, I don't have such a device, which is why I'd like to find a way to simulate touch gestures on a standard ...
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741
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Calibrate touchscreen of external Monitor under wayland sway
How do I calibrate the touchscreen of an external display under wayland - sway?
If I plug an external monitor with touch support the touch input is getting mapped to the main monitor, not the external ...
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Touchscreen boundry
My laptop is having touchscreen. When I connect an external monitor to it via USB-C, then touchscreen calibration of laptop get distorted. Note that this external monitor DO NOT have touchscreen.
It ...
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Debian bullseye: touching the touch-screen with a finger does not click on objects in Qt/Plasma applications
I am testing Debian Bullseye on a Thinkpad X1 Yoga Gen 6, using a live cd with KDE and non-free drivers (debian-live-11.5.0-amd64-kde+nonfree.iso). I'd like to be sure that everything I need works ...
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Elan touchscreen is recognized but touchpad is not
So, I'm trying to install Gentoo on a Dell XPS 9520 using a kernel that is configured to be as minimal as possible. So far, I've managed to get everything working, except for the touchpad.
I've booted ...
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170
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use thinkpad tablet as second monitor with touchscreen?
i have an old thinkpad x200t with linux installed on it; for a long time i wasn't using it, but now i would like to use it as an additional monitor with a touchscreen for my current linux computer, in ...
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Surface Go-3 how to set a non standard screen resolution for stylus
Mint+MATE-20.3: The Surface GO-3 has a native aspect ratio of 3:2 (1920 x 1280). Tired old eyes and I need to use a resolution around 1440 wide and the only options are 1440x900, 1440x810 and 1400x900....
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In GNOME-Wayland shell, How I map an touchscreen USB input to a specific video display output?
I use Ubuntu 22.04 with GNOME-Wayland is default (It also happened on Ubuntu 20.x with GNOME-Wayland shell). Two touchscreens connect to system. I face a problem:
Two USB (touchscreen) touch inputs ...
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Draw with multiple fingers/styluses simultaneously on a touchscreen
I have a large touchscreen display that I would like to use for drawing with either my fingers or/and styluses.
I can do this perfectly fine under Android, multiple people can use the display at the ...
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How to calibrate touch screen on Wayland?
I have a Fedora 35 notebook running Gnome and Wayland. It has a built in touch screen that works just fine and never needs calibration, even in a multi-monitor setup.
And I have two external monitors (...
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259
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Linux kernel for Khadas not supporting touchscreen (missing drivers?)
I'm trying to get a touchscreen display to work on Khadas VIM3L. The touchscreen is USB. As soon as I plug it in both the USBs of the SBC stop working (no matter what device I plug in). This is dmesg:
...
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How to calibrate touch screen on Ubuntu 22.04?
We have a box connecting to a 20" vertical touch screen. When running Ubuntu 20.04 which runs X.org we used xinput_calibrator to calibrate the touch screen since it is vertical. However in ...
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404
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Debian 11 Wake on Touch Screen Interaction
I recently have moved from ubuntu to debian, and in doing so have discovered that if my screen is off, touching the screen will not turn it on as it did in ubuntu. I have looked around to try and find ...
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485
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Troubleshooting touchscreen
I am trying to use a touchscreen monitor (Dell e2014t). Dmesg shows it finding it
[ 8.624433] usb 1-1.1.3: New USB device found, idVendor=0408, idProduct=3025, bcdDevice= 0.39
[ 8.624441] usb 1-...
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Touch screen ABS_X and ABS_Y wrong behavior
I have a 7" touch screen that I'm connecting to Linux. The touchscreen is recognized, but the behavior is wrong. I used the evtest utility to look at the events coming out of /dev/input/* and I ...
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X11 - How to invert axis on touchscreen matrix?
I have a tablet that I flashed Fedora Silverblue on, but the touchscreen has the Y-axis inverted when the device is on landscape, and X-Axis inverted portrait mode.
I've disabled wayland to use xinput ...
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Use xorg.conf to fix touchscreen X axis reversed
I setup Fedora 35 with my Titan6001 touchscreen. Although Linux is responding to touches, the X axis is reversed (touch on the right mouse goes to left side, and vice versa). Y axis is fine.
How do ...
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201
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Visualizer for evtest logs
I'm looking for a tool that can visualize or make it a bit easier to interpret the logs that are produced from the evtest tool. I've googled for several times and could not find such a tool to ...
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How to get xinput device ID of touchscreen without using manufacturer string?
Chromium only shows proper touchscreen behavior when the supplied ID argument is 7 in the case of the below devices.
Note that the xinput IDs are subject to change during a reboot, so I can't just use ...
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USB Ports Malfunctioning - usb 1-1: device descriptor read/64, error -71
I have a Dell Latitude 7350 2-in-1 (touchscreen tablet hybrid) that is 7+ years old. I originally had installed Pop!_OS on the system, and it worked fine for months, but one day my wireless keyboard ...
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Compiling Beaglebone Black Linux image for QT and 4Dsystems LCD cape
I have researched a lot into buildroot and yocto compilation for BBB and understand qt configs / layers for both. However I can’t seem to get the 4.3” Touchscreen cape to work. I have tried comparing ...
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How can I use my android tablet (along with stylus pen) as external display on linux (Ubuntu 20)
I am running Ubuntu 20 on my ASUS VivoBook laptop. I have many PDF files (of research papers) that I often read and annotate. At present, I transfer the files to my S6 Lite tablet (an android tablet)...
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What is a well supported touchscreen driver to emulate? [closed]
I'll spare the whys and hows of the project behind this but I am working on some hardware that needs to appear to the host Linux machine (Raspberry Pi) as a touchscreen*, ideally one that works over ...
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Raspberry 4 & Yocto & Xorg : tslib is flooding my console with "tslib: Selected device is not a Linux input event device" error
I use a Raspberry 4 with Raspberry touch screen (800x480), I have a custom os built from Yocto. I use the tslib driver to use my touch screen.
All works that i want it but, when I touch my screen, ...
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545
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hide mouse pointer for second monitor as touch panel for device
we are making a device as an expert system. we use Ubuntu 18.04 minimal as OS. the device has 2 screen, first screen is a display screen for operator and second screen is a touch screen as a touch ...
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Fix auto screen rotation on Fedora 33 (gnome)
Problem
Auto screen rotation used to work flawlessly. When I turned my laptop on its side (or upside down) the screen would turn as well (very handy for tablet mode).
Since the last update it doesn't ...
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xinput: Disable mapping touchscreen on external monitors
I am using Arch linux with i3wm on my Lenovo x390 YOGA. I also have two external monitors. I connect them throw my docking station and configure with Arandr. Screens woks fine.
But every time I ...
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How to configure Xorg to handle a touchscreen as mouse
We have a system running Linux on an industrial PC. It is based on Yocto Poky 2.5. Kernel is 4.15.30.
Recently the manufacturer changed the touchscreen controller (USB based). The new one (egalax) ...
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Configure X to use a touch surface physically larger than the display?
I'm building a smart mirror (monitor behind a two-way mirror). I have a 27" infrared touch frame, which I want to use with a 22" monitor. One reason for the mismatched sizes is I am placing ...
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Pop! OS wakes up from suspend with a black screen
Release: 20.04, Gnome. Without grub. On a Lenovo IdeaPad Flex 5 (2020) 2-in-1. I found this thread advising to edit the grub file, but this distro doesn't have grub. Is there a similar file I could ...
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Touchscreen not showing on Xinput
Disclaimer: I am a relative novice and am hoping I just don't know how to interpret what I am seeing onto my device.
Problem and context: I got a Windows surface PRO and it was indefensibly slow, but ...
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No Primary Mouse Button or Touch-screen on Ubuntu 19.10 and 20.04
Fresh install of both onto an older HP desktop all-in-one Touchsmart PC but no primary left mouse button. After seeing it wasn't working on 19.10 and having 20.04 come out around the same time, I ...
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How to force X server to 'reopen' input devices
I've got a problem with my xorg-server configuration (xorg 1.20.4, locally built).
I've got inputs manually configured including a touchscreen (evdev), and I have AutoAddDevices turned off. (there are ...
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Is my Touch Screen Digitalizer supported?
I am hoping that the "10-point capacitive multi-touch"-digitalizer of an 11" convertible notebook is supported by the Linux kernel, but I have a feeling that it probably isn't... how can I determine ...
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How can I find touchscreen hardware information?
I have a Canon ScanFront that is no longer useful as a scanner. The device contains a single board computer running some flavor of Linux (uname -mrs returns Linux 3.10.87-cei.10_32-ltsi i686).
...
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xinput list "UNKNOWN"
I posted this question is Ask Ubuntu but nobody was able to answer it, it seems like. I am including it here because this does not appear to be an Ubuntu-specific problem: This is a modified version ...
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