Questions tagged [qt5]
Questions specifically for version 5.x of the Qt library. If your question applies to other versions of Qt, use the tag [tag:qt4] or [tag:qt3]. It is recommended to use with the tag [tag:qt].
8,769
questions
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How to write QT system tray app without a window class, and integrate it with another process?
Here is my setup:
A background process that keeps running and does it's job.
A launcher which launches the aforementioned process and monitors it, relaunches it if crashed or killed.
I wish to add ...
0
votes
1
answer
133
views
Preventing QStackedWidget auto focus
QStackedWidget seems to focus and select content of the first child widget when starting or switching page.
This is what I get when starting the program (the timeedit widget is focused and the first ...
5
votes
4
answers
8k
views
How to change QComboBox items' height
I want change only the height, I need it larger.
0
votes
0
answers
17
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Problem embedding qquickview into qlayout
I'm using multi-threaded opengl in my qml so qquickwidget is not an option, when I use qwidget::createwindowcontainer to manage qquickview and embed it into qlayout it works fine .
but if I take it ...
0
votes
3
answers
650
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Is there any API or Flags in Qt to check available physical network interface/ports on Windows/Linux/MAC OS?
I am trying to get MAC address for all physical ports available on my laptop for Windows/Linux/MAC OS. I also want to check if I can detect physical connection/disconnection of the network cable.
I ...
1
vote
1
answer
10k
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What is the path to Qt, and path to Qt's configure file on Ubuntu
I am following this documentation for deployment. It need me to specify /path/to/Qt and /path/to/Qt/configure. I am unable to find the path to Qt on my machine.
I am using Ubuntu 17 and I installed ...
0
votes
0
answers
38
views
TableViewColumn in Quick.Controls 2.15
I need to rewrite the view from QTableView to qml when using quick.controls 2.15 in qt 5.15 in quick 2.15. I have a c++ model, but I need to display them in a table, with the ability to display them ...
0
votes
0
answers
39
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AIX: C++ application with shared Qt5Core lib dependency has thread-local-storage runtime issue
I am on IBM AIX-7.2 and have this sample C++ code:
#include <QtCore/QCoreApplication>
#include <QtCore/QDebug>
#include <QtCore/QDateTime>
#include <cstring>
int main(int argc,...
48
votes
8
answers
98k
views
Dark theme for Qt widgets?
Background
I'm building a PyQt5 application, that I'd like to have a dark theme for. Previously I've worked with Android development where there was a dark theme that I could set for a whole ...
0
votes
2
answers
473
views
Calculating the exact needed height for a QTableWidget
I want to calculate the exact height a QTableWidget needs so that no vertical scroll bar is shown. What I do right now is for example:
tableWidget->setMaximumHeight(tableWidget->horizontalHeader(...
0
votes
0
answers
23
views
How to use pyqtSlot() without @
I need to create a method in a foreign PyQt5 window class at runtime (that will be called later from a different thread with QMetaObject.invokeMethod()). Therefore I cannot use the decorator style. Is ...
2
votes
1
answer
432
views
Why are widgets "shaking" when the window is being resized?
In my UI design, I want four QPushButtons stay on the right side of the window. So I create a HBoxLayout for the centralWidget, and add a QWidget and a VBoxLayout(which contains the four buttons) to ...
7
votes
7
answers
11k
views
Is it possible to remove Weston toolbar?
Is it possible to have weston run without the toolbar at the top and change the background to black. So that when i have a script in init.d it calls weston first than my qt5 app? such as:
weston &...
0
votes
1
answer
1k
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QML module not found (QtGStreamer)
I have been trying to install gstreamer on my ubuntu 18.04 and to integrate it into a Qt 5.14.1 project.
These are the installation steps I followed in order to install gstreamer:
git clone git://...
0
votes
0
answers
29
views
"make: *** There is no rule to build target "sub-mysql". Stop." error when trying to create a MySQL driver with Qt
I'm trying to install the QMYSQL driver on Ubuntu 24.04 LTS with Qt version 5.15.3, but I'm running into some issues.
Problem:
The sqldrivers directory only contains the SQLite driver, and I'm missing ...