All Questions
44,104
questions
1
vote
0
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28
views
Is there a Qt event for when a QLayout has finished redoing geometry?
I have a custom class which extends QWidget and installs a vertical box layout on itself, as well as child widgets which are added to said layout. In this sense, it is a composite widget.
I have a ...
- 357
0
votes
1
answer
21
views
AppImage/Qt6 - QIcon::setFallbackSearchPaths not working
I am trying to deploy a Qt6 application, which bundles its own icons (this way on Windows/OSX I get consistent icons). As part of my build I deploy into $BIN/share/icons the content of the breeze ...
- 9,120
0
votes
0
answers
27
views
Issues with QGraphicsPixmapItem handling Mouse Events in QGraphicsScene
I created an object:
class Button : public QObject, public QGraphicsPixmapItem
{
Q_OBJECT
next I implemented a few functions:
Button::Button()
: m_pressed(false)
{
m_buttonPixmap = ...
1
vote
0
answers
39
views
QCombobox stops working after tap back navigation on android in Qt 6.4.2 C++
I have a problem with QComboBox on Android. When I open the drop down QListView menu of the QComboBox, and I hit the back on the navigation bar, the QComboBox correctly closed. But it's not working ...
- 77
0
votes
0
answers
24
views
Issue Qt QML TreeView (from Qt Quick Controls 1.4) with a textfield delegate cannot change value
I tried to edit a text directly in my TreeView (using a textfield delegate), but it doesn't work. It never enters the edit mode even with a bigger Z or a forced focus.
If anyone ever tried to modify ...
- 1
0
votes
0
answers
44
views
androiddeployqt vs linuxdeployqt [closed]
I installed qt on my (arch)linux PC with command:
sudo pacman -Sy qt6
Now I want to create a release version so I need something like linuxdeployqt6 but I haven't got it! I try to search it through ...
- 76
0
votes
0
answers
42
views
pointer to incomplete class type "QHeaderView" is not allowed
I have a QTableView and QStandardItemModel and I have got 3 columns. I want that one column adjust itself when I change the size of the main window. But I get following error:
"pointer to ...
-1
votes
0
answers
39
views
sfml widget with transparent background in Qt
I am using the QSFML repo to use sfml 2.x inside a Qt 6.x widget.
I cound not find a way to make the sfml background transparent to see classic qt widgets behind the sfml widget (whatever I try the ...
- 231
0
votes
1
answer
37
views
How To use QSqlQuery::bindValue [closed]
I have this snippet :
int id = m_AddItemCandidate->getId();
QString s = "INSERT INTO studied_substantives (subst_id, no_singular, no_plural, meaning) ";
s = s + "VALUES(:id,...
0
votes
1
answer
57
views
shiboken6: constexpr variable must be initialized by a constant expression
I am trying to build some python wrappers using shiboken6 and Pyside6. I have managed to get the code compiling on a single machine, but now that I migrated the code to a build server, I am getting a ...
- 915
0
votes
1
answer
46
views
Qt/QML - Getting *qml* stack trace from Non UI thread is always crashing
In a certain QML app there is a problem that sometimes QML scripts hang UI thread for very long times, like 20+ seconds of UI thread not processing any incoming events from any source. In rare cases ...
- 1,600
0
votes
0
answers
27
views
How to read a 'CompactSVMModel' save in a .mat file from a C++/Qt program
I tried to save a machine learning model into a .mat file, and then read it from a Qt/C++ application.
Following the documentation, I managed to read files containing basic types like double or int.
...
0
votes
0
answers
50
views
Unexpected rounded corners in Qt Frameless Widget
Unexpected rounded corners in Qt Frameless Widget
I use Qt and Windows API to create a window with a custom title bar, and I want this window to have some of the effects of a Windows window (maximize, ...
- 11
0
votes
0
answers
52
views
Font rendering issue in c++ applcation on WSL with Qt6
I'm developing a C++ application using Qt6 on WSL, using Ubuntu 22.04. This application prints braille characters to the screen when when clicking and dragging in the canvas. The problem is the ...
-3
votes
0
answers
50
views
How to break from the Loop while listening from the Socket TCP connection in C++ QT form the different main thread [closed]
I have a main thread which starts the worker thread. This worker thread has a while(true) loop with a break statement and condition inside the loop.
This worker thread listens to the Socket connection ...
- 1