Questions tagged [eglfs]
26 questions
0
votes
0 answers
Move mouse pointer on screen rotation
I'm running PyQt app in kiosk mode without an X server.
OS and lib: Ubuntu 21.04 x86_64; PyQt 5.15.4; eglfs as back-end
The kiosk monitor will be rotated 90 degrees.
If I export the variable QT_QPA_EGLFS_ROTATION=90 then the GUI rotates. However,…

nick
- 9
- 1
0
votes
1 answer
Icon from theme not working in QML in eglfs mode
This works on X, but not on eglfs.
Button {
icon.name: "computer-fail-symbolic"
icon.height: 96
icon.width: 96
display: AbstractButton.TextUnderIcon
text: "BSOD"
flat: true
}
...
int main(int argc, char *argv[])
{
…

eri
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0
votes
1 answer
EGLFS QML Screen not rotated
I have Debian Bullseye, Intel Celeron J1800 with integrated graphics. Qt from Debian version 5.12.5
Trying to rotate screen to portrait mode.
QT_QPA_EGLFS_ROTATION=90 /opt/app/bin/app
But window just resized, scaled up about 120%.
My code
#include…

eri
- 3,133
- 1
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0
votes
1 answer
MapCircle and MapPolyline not displaying on linuxfb
I have a program that draws MapCircles and MapPolylines on a QML Map using the osm plugin. The program works as expected and the shapes are drawn when using an eglfs display connected to the DSI connector on a Raspberry Pi, but the shapes are not…

charles
- 192
- 1
- 14
0
votes
2 answers
QT EGLFS backend with Mesa driver without X11/Xorg
I am trying to run one of the example apps from QT 5.12 without having XServer installed. I am using Ubuntu Linux. When I start it using linuxfb backend, it works fine, but then mapboxgl plugin does not work (probably because of lack of native…

Segabond
- 1,083
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- 15
0
votes
1 answer
Disable HDMI output from QtQuick2 Application on embedded Linux
I've got an embeddedLinux board with a Qt5 Application. The goal is to disable the display when unused or currently not needed.
I use EGLFS and the display is connected to HDMI. Echo 1 to /sys/class/graphics/fb0/blank has no impact but is also not…

matlan
- 71
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- 7
0
votes
3 answers
bitbake error when remove wayland in local.conf on Ubuntu 14.04
I'm using Yocto Project 2.4 and i.MX6 Quad sabreSD platform.I build Yocto Project on my Ubuntu 16.04 computer.
I want to have qt5.9 library in my rootFS so I build my image with below command.
bitbake fsl-image-qt5
After that, I tried to remove…

Tsung-Li Wang
- 139
- 10
0
votes
1 answer
Qt Overlay over GStreamer
I've a question considering the current setup:
Yocto Linux on iMX6
Neither a window-, nor a display-manager
A fully functional Qt Application, tested on Debian 9
The application consists of 2 main elements:
A GStreamer part, with a…

chrizbee
- 145
- 1
- 13
0
votes
1 answer
Can't get touch input from eGalax device to QtQuick application
I'm trying to get touch input from a eGalax resistive touch device to a eglfs window running the sample QtQuick2 code. I'm failing for several days. The touchscreen is connected via USB to a Raspberry Pi B and works fine for the raspbian jessie…

Sebastian Kemme
- 3
- 4
0
votes
2 answers
EGLFS and rotation of QT5 application under Linux
On behalf of my colleague I'd like to ask if it is possible to rotate the whole QT5 (QT 5.6.1-1) application window. We are using EGLFS as a backend on Sitara TI AM335X platform running Linux framebuffer.
The current situation is like this: we have…

user2699113
- 4,262
- 3
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0
votes
1 answer
QML ComboBox crashes on embedded System
I added a ComoboBox in my program to my qml.
This runs fine on desktop (both Ubuntu and Win7). As soon as I deploy my program on my embedded linux machine (sabrelight with yocto) it crashes as soon as I try to open the list of items from the…

PsiX
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