All Questions
226
questions
0
votes
0
answers
43
views
Using debuild to build rpi-imager, I see an error finding Qt5.14 or better
I'm running debuild on Debian 10 to build rpi-imager, and it's failing to find Qt5.14 (or better):
/rpi-imager$ debuild -uc -us -d
dpkg-buildpackage -us -uc -ui -d
dpkg-buildpackage: info: source ...
- 566
-1
votes
1
answer
84
views
How to compile qt5.13.2 that include specific module called "QtGraphicalEffects " for linux sytem?
I'm building a project that could run on both windows and linux,and when I finish my debug on windows , I find that my linux qt cross-compile chain do not have the shader module called ...
- 1
0
votes
0
answers
159
views
How exactly to specify Qt5 path to CMake?
I'm currently trying to build the latest version of MuseScore 4, whose source I pulled from the official GitHub repo by simply cloning the latter locally.
I keep on getting the following error when ...
- 209
0
votes
0
answers
44
views
Qt c++ application mouse click and touch different behavior
Qt5 c++ application. Works in Linux Debian. The device uses a touch screen.
There is following problem: when you click the qLineEdit with the mouse, the field is selected and the cursor appears, and ...
0
votes
1
answer
42
views
undefined reference to a constructor of class from lib (astra linux)
I have a project that I've developed with Windows. It uses a few of my libraries (that use another libraries sometime) and in Win it works perfectly.
Now I try to run it in Astra Linux and have a ...
-1
votes
1
answer
136
views
Qt dialog re-launching after accept/reject
I've been implementing a dirty hack for a "panic" keyboard shortcut in a RHEL 8.4 environment to kill our application in the event that it hangs because we use a Mutter environment which ...
- 381
0
votes
0
answers
64
views
how to activate qt event loop on linux
Is there any way to force the program build on top of qt5 to get into it's QEventDispatcherGlib::processEvent()? Currently I am porting a program from windows to linux and repair its auto-test module, ...
- 1
3
votes
1
answer
674
views
How to create files with root privileges using C++/Qt and PolKit-Qt-1
I apologize for the somewhat lengthy discussion. Also, this is my first submission to StackOverflow, so please forgive my unfamiliarity.
I usually use C++/Qt Widget or C++/QML with Linux. This time, I ...
- 71
15
votes
1
answer
38k
views
Problem installing qt5-default on ubuntu 22.04
I get the following error when installing qt5-defualt on ubuntu 22.04.
sudo apt-get install qt5-default
output:
Reading package lists... Done
Building dependency tree... Done
Reading state ...
- 161
1
vote
0
answers
70
views
Jittery movement of QScrollArea from custom touchscreen driver
So a few years ago, I wrote a custom touchscreen driver specifically for a particular application which ran on a Scientific Linux 6.4 (CentOS 6 based) OS, which did not have native touch support, but ...
- 381
1
vote
1
answer
138
views
How to get Linux based system in QT5?
I am developing an application on qt5 using C++ which will support all popular distros, for this currently I am using QSysInfo
qDebug() << "currentCpuArchitecture():" << ...
- 1,716
0
votes
1
answer
54
views
Error when compiling autoware: members matching function of a non-direct base class
I'm compiling autoware.fundation tools, but when I build it with the instructions on the https://autowarefoundation.github.io/autoware-documentation/main/installation/autoware/source-installation/
I ...
0
votes
1
answer
217
views
Qt Data Visualization black screen on chromebook but run perfectly on ubuntu
I have been working on writing Qt Linux application on my Chromebook and deploying it on a ubuntu machine. By far all qt widget works fine except one: Qt Data Visualization.
I can compile the example ...
- 183
0
votes
1
answer
846
views
Properly using QMAKE_POST_LINK in Qt project file
When adding commands to QMAKE_POST_LINK using += operator should I need to add a semicolon?
For example,
QMAKE_POST_LINK += mv somefile1.dat /some_location1; # semicolon
QMAKE_POST_LINK += mv ...
- 988
1
vote
2
answers
5k
views
How correctly to compile Qt5 to arm64 on Ubuntu 22.04?
Host: Ubuntu 20.04 x64
Architecture: x86_64
CPU op-mode(s): 32-bit, 64-bit
Byte Order: Little Endian
Address sizes: ...
- 31