Questions tagged [qt]
Qt is a cross-platform application development framework widely used for the development of application software that can be run on various software and hardware platforms with little or no change in the underlying codebase, while having the power and speed of native applications. Qt is available with both commercial and open source licenses. Questions about programming with Qt should be asked on Stack Overflow.
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I want to compile Kvantum on my Debian 12 machine
I want to complie kvantum on my debian 12 machine with kde. But I can't install the following dependecy: libkf6windowsystem-dev.
When I run the command sudo apt install libkf6windowsystem-dev I get ...
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Setcap is not allowing qt program to load libraries
For loading libraries I am doing
export LD_LIBRARY_PATH=./SupportLibs:$LD_LIBRARY_PATH
Loading of libraries fails when any cap abilities is set for qt application,
sudo setcap =ep Application
If I ...
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All Qt GUI applications hang up trying to open or save a file
I use Mint Linux 20.3 on my office workstation, with a custom Qt 5.15.6 build, Qt Creator, and TeXStudio. Some side applications, like the VLC Media Player I use, are also compiled with this Qt build. ...
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How to force a linux binary to use only its own provided shared libraries?
I'm using an application, PowerISO, that comes with no source code, only its binary and the required shared libraries.
I've used it for a number of years on Debian 10, but now I'm on Debian 12, it no ...
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Qt5 development libraries for Debian
So, I'm trying to compile VLC myself, as I noticed the Debian package refused to show VA-API support in the settings (and according to intel_gpu_top isn't using it). And while the flatpak version does ...
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Install qt 5.15 onto CentOS 7
I have a program I want to compile on Red Hat 7.8 which uses Qt 5.15 features, yet the last available Qt 5 library (from repo's) is Qt 5.9
How can I install Qt 5.15 on CentOS 7 to compile my program?
...
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What is qt6-tools equivalent of qt5-tool uic option?
What is qt6-tools equivalent of qt5-tool uic option?
Looking thru qt6-tool help is not so helpful.
nov25-1@nov251-desktop:~$ qt6-tools --help
Usage: qt6-tools [OPTIONS] COMMAND [ARGS]...
Options:
--...
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What script does set my QT_AUTO_SCREEN_SCALE_FACTOR env variable to zero by default?
I'm struggling to set default value of QT_AUTO_SCREEN_SCALE_FACTOR in my system (debian bullseye). But it seems that value I put a setter into .profile is ignored. Anyway the environment variale is ...
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Black out application window on KDE Plasma after long uptime
After using for a long time, application window fails to render application windows.
Problem:
application screen sometimes blacks out (Attached image)
occurs in any application (Chrome, Thunderbird, ...
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how to install qt5 in debian 11 stable?
I'm trying to play an NES emulator named punes, and on its github page, it says I need to configure and build manually. When I do ./configure, I get configure: error: Qt5 library not found. However, ...
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luckybackup-pkexec (as root) fails in Linux Mint Cinnamon 20.3
I tested the failure in the terminal of its app's source folder to see the errors. The question is, what is needed to re-install, Qt? because the app has been purged and reinstalled twice.
root@...
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"This application failed to start because no Qt platform plugin could be initialized"
I have created a Kali-Linux environment on Windows using Oracle VM VirtualBox 6.1.32. I've been trying to run wireshark on kali-linux. But when I type wireshark in the terminal, I get this error. I've ...
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Qt5's QPA can not connect to my display?
I am trying to launch the Garuda Boot Manager and get this:
qt.qpa.xcb: could not connect to display :0
qt.qpa.plugin: Could not load the Qt platform plugin "xcb" in "" even though ...
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Arch Linux on Pi4 double display
I'm trying to build a Qt double display Application on Raspberry Pi4 with Arch linux.
But my Rasp cannot find the two HDMI displays.
" [root@trolly home]#
xrandr Can't open display "
How can ...
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Is there a way to search for Cygwin packages by command, and then download the package, and all its dependents?
I'm currently trying to use a program called Paml, in Cygwin but to initially configure it I need to use the "qmake" command in a Cygwin which as far as I can tell, seems to be part of the ...
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