libinput | Input device management and event handling library * *
kandi X-RAY | libinput Summary
kandi X-RAY | libinput Summary
libinput is a library that provides a full input stack for display servers and other applications that need to handle input devices provided by the kernel. libinput provides device detection, event handling and abstraction to minimize the amount of custom input code the user of libinput needs to provide the common set of functionality that users expect. Input event processing includes scaling touch coordinates, generating relative pointer events from touchpads, pointer acceleration, etc.
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QUESTION
So I have a QT project in which I want to check if a keyboard is connected. In case it's not connected I want to be able to still use it if it is connected during the program is running. I looked around and found a few libraries that might be suitable but I am not sure if they can do what I want. Libraries in question: libinput
, libusb
or Solid
with KDE. My question is, will one of these libraries do what I want it to do or is it something completly different? If it is one of the above libraries than any examples would help a ton because I can't really get anything out of the documentation. I should probably also mention that I use a linux, or to be more exact openSUSE Leap 15.2
ANSWER
Answered 2021-Aug-02 at 13:00Okay, well turns out it wasn't as complicated as I thought and none of the libraries that I talked about are needed. Here is my solution, in case any one in the future is looking for something similar.
scanner.h
QUESTION
First of all, I want to clarify that I am a complete noob concerning Linux/openSuse/etc
. I am working on a project in QTCreator
which will use a RFID Reader, to get the data of this reader I want to use the library "libinput" since the reader sends this data as if it is a keyboard. My problem is now that I need to install this library first. I found a website explaining the steps on how to this but I am already unsure what the first step means. The websites provide two links to repositories of libinput and state the I should follow the instruction of these repositories but I am unable to figure out where the instruction is or what the instructions are.
Here is the guide I am following: https://wayland.freedesktop.org/libinput/doc/latest/building.html#building-against
I am using a VMWare running openSUSE Leap 15.2 and the project will run on an embedded Linux system.
...ANSWER
Answered 2021-Jul-14 at 07:54The libinput is available at OpenSUSE repository link
Steps to install it on OpenSUSE platform
QUESTION
I have heard its a conventional practice to store program dependent files in /usr/share/application-folder
in linux. So I'm trying to do it in my c program in a function called load_interface_files()
for example. I am not sure if this is a good practice or not, I've heard about creating configuration files for this kind of issues.
Anyways, here's the the code I wrote to make a directory in /usr/share
.
ANSWER
Answered 2020-Dec-01 at 04:25use ls -ld /usr/share
to see what the permissions on the directory are (without -d
, you get the contents and their permissions).
Use code like:
QUESTION
Please consider this Go code:
...ANSWER
Answered 2020-Aug-06 at 05:27As discussed in comments, this isn't a Go issue at all, but rather just needs the use of the stdbuf
command on GNU/Linux systems. See also this unix.stackexchange.com question and answer. The general idea is to make sure that the program you run using exec.Command
does not buffer its own output inappropriately.
(The stdbuf programs generally use LD_PRELOAD
to insert alternative I/O buffering for stdin, stdout, and stderr, or may be built into the standard libraries on the OS.)
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