Questions tagged [qt6]
For questions specific to version 6 of Qt.
838
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7
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Sign in With Apple: ASAuthorizationController doesn’t show Authorisation Window from QT app
I’m trying to use Sign in With Apple with a QT app.
We did use ASWebAuthenticationSession to be able to use OAuth in AuthenticationServices for Non-Apple logins, like Google.
But now I’m trying to ...
- 36
0
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0
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11
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QRhi uniform buffer re-usage
Is it correct that dynamic uniform buffers can only be used once per frame with the QRhi rendering layer (https://doc.qt.io/qt-6/qrhiresourceupdatebatch.html#updateDynamicBuffer)?
For instance, this ...
- 4,392
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45
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Connecting to MySQL in Qt6
I want to connect to MySQL in Qt6, but the connection is not working. My instructor said that you want to run a diesel car with gasoline and that you need to use a different library instead of ...
- 1
-1
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0
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72
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How do I avoid visual artifacts around text when taking a screenshot? [closed]
I'm working on a Qt application where the background is drawn using OpenGL, and the front is rendered by QPainter to a QImage that is then used as an OpenGL texture to be displayed at the top.
On ...
- 51.7k
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22
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How can I implement an InsertPolicy on a QComboBox attached to QSortProxyModel?
I've got an editable QComboBox with a QCompleter set to a QSortProxyModel, which wraps a QAbstractListModel. If the user types a wholly new string into the box, I want to write that string into the ...
- 41.1k
0
votes
1
answer
31
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How to set color mask in Qt 6 RHI
I am currently porting OpenGL code to QRhi (Qt 6.7). For glColorMask(red, green, blue, alpha) there seems to be a documented flag
(https://doc.qt.io/qt-6/qrhigraphicspipeline.html#ColorMaskComponent-...
- 4,392
-1
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40
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QT no matching function for call to 'makeCallableObject'
I'm trying to use the default Qfontcombobox in my qt app to change the font of a text edit, and i am getting this error for some reason.
Here is my definition for my mainwindow.cpp
#include "...
- 31
0
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21
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Qt Android create files in content:// URI folder [closed]
I want to create an Android app by using Qt. The app should have the ability to ask the user for a destination directory (which could be provided by an cloud storage app) and then creates files in ...
- 1,099
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0
answers
14
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Qt Tool qmllint not working on imported C++ modules
I want to use qmllint on my Main.qml, which uses modules exposed from C++ side, such as the mainCtrls import and the mainControls keyword:
import QtQuick 2.15
import QtQuick.Controls 2.15
import ...
- 33
3
votes
0
answers
62
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Calculating the exact needed height for a QTableWidget (Qt 6 update)
When calculating the height that is needed for a QTableWidget so that all rows are visible and no scroll bar is added, it's not enough to take the number of rows, multiply them by the row height and ...
- 1,620
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0
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25
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Update figure - clear axis including secondary_y
I wrote a small PyQT6 program to get familiar with QT and matplotlib. In a tab, some graphs will be plotted and should be updated in a certain way after a pushButton is clicked. The program works fine ...
- 11
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0
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15
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No known features for CXX complier Error for Windows
enter image description hereI was trying to install opencv file paths and qt on cmake. I added the appropriate paths and configured, I did not receive any errors, but when I try to generate, I get a ...
0
votes
1
answer
67
views
How do I force a QWidget to be repainted?
Given the following main window implementation:
#include <QApplication>
#include "MainWindow.h"
namespace ui {
MainWindow::MainWindow(QWidget *parent) :
QMainWindow(parent),
...
- 51.7k
0
votes
2
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51
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How to access QWidgets from page controller class? [duplicate]
I am developing a database software using PyQt6 and SQlite3. I am struggling a bit in organising the files and classes since this is my first project of such. I have kept the main.py in the root to ...
- 51
0
votes
1
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34
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Qt QGraphicsView mouseMoveEvent works nonstop
For some reason using addWidget function in QGraphicsScene class makes the related QGraphicsView widget receive mouseMoveEvents without mousebutton pressed and mouse tracking off.
MyView.h :
#pragma ...
