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I want a clarification about SHIFT-JIS characters set. Is ASCII a subset of SHIFT-JIS character set similar to UTF-8. If a file has mix of SHIFT-JIS and ASCII. how can we read the same using QT ...
plugwash's user avatar
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1 vote
1 answer
73 views

I have Qt 5.12.12 and Jenkins 2.440.1 on Windows. In my Jenkinsfile I have: stage('Test') { steps { echo 'Testing...' bat 'mingw32-make -f Makefile check' ...
llahteinen's user avatar
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2 votes
1 answer
11k views

I want to draw an image on a widget. I have no issue with drawing a pie or rectangle but I can't find anything on images. My code: void GraphicWidget::paintEvent(QPaintEvent * /* event */) { QPainter ...
user4157124's user avatar
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86 votes
26 answers
242k views

I'm using Ubuntu 20.04 via Oracle VM Virtual Box and I faced exactly the same error as all other people. After building Qt6 source code using official Qt manual, I'm trying to run different projects ...
Rizzer's user avatar
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-3 votes
1 answer
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I ran into a problem when building my application for the portable version. I wrote a script to automate the build: #!/bin/bash set -e # ============================================== APP_NAME="...
Rabbid76's user avatar
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Best practices
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1 replies
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when user tap on a TextInput or TextField, the Android keyboard opens, but typing doesn’t insert any characters into the input field. They can only delete existing text, and new text cannot be entered....
Mohsen Kondori's user avatar
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2 votes
2 answers
2k views

My webview function with the following code in my main.cpp : #include "mainwindow.h" #include <QApplication> int main(int argc, char *argv[]) { QApplication app(argc, argv); ...
user31869992's user avatar
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1 vote
1 answer
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So, I checked the following questions, which seemed most similar to my existing problem: QML: Using cpp signal in QML always results in "Cannot assign to non-existent property" ...
Community's user avatar
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3 votes
1 answer
2k views

I am writing a server using QtHttpServer (from Qt6). It's time to implement chats for the system using web sockets, but it hasn't been added to Qt6 yet. I see two ways out – either use long-pulling ...
codeling's user avatar
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0 votes
0 answers
36 views

What I want to achieve: I have created a custom page right before ComponentSelectionPage. On this page the user have to provide a key for the installation. Depending on provided key the ...
Sergej Leus's user avatar
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1 vote
0 answers
61 views

I'm trying to use OpenCV with PyQt5 on Linux, but encountering Qt compatibility issues. When I install opencv-python, I get Qt platform plugin errors that prevent the application from starting. When I ...
musicamante's user avatar
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1 vote
0 answers
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I'm embedding a VTK rendering widget inside a Qt 6 app using QVTKOpenGLNativeWidget. The window contains a QVTKOpenGLNativeWidget used for 3D rendering, wrapped inside a QFrame. On top of it, a ...
genpfault's user avatar
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I'm currently working with the PySide6 module.(vscode) But for some reason it doesn't work anymore,it worked before but it doesn't now. When I try to run my project this is the error I get: ...
Community's user avatar
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2 votes
1 answer
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I am trying to build a basic Qt Application with the Meson Build System on my Mac (using macOS Sierra), following the tutorial on http://mesonbuild.com/samples.html. My meson.build file looks like ...
Community's user avatar
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16 votes
6 answers
17k views

I want to use QTextEdit (in read-only mode) to show a clickable hyperlink, I used to do QTextEdit *textEdit = new QTextEdit; QTextCursor cursor(textEdit->document()); textEdit->setTextCursor(...
In Silmaril's user avatar
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-1 votes
1 answer
2k views

I am attempting to convert the first code snippet at: Calculate distance between 2 GPS coordinates // var R = 6371; // km // var dLat = (lat2-lat1).toRad(); // var dLon = (lon2-lon1)....
genpfault's user avatar
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31 votes
4 answers
25k views

I have the same problem as described in Variables in Locals and Expressions not accessible in QT Creator but I want to find a way how to "repair" Qt Creator showing default composite types like std::...
PeliKalle's user avatar
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Best practices
1 vote
6 replies
219 views

I'm building a Qt wrapper for RtMidi. As starting point I created two separate classes QMidiOut and QMidiIn that wrap RtMidiOut and RtMidiIn. I don't want to duplicate code for the common methods (e.g....
duck's user avatar
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6 votes
2 answers
12k views

So I created a Qt project for Android, but whenever I try to build it I get that exception. I even tried to run the gradlew file in the command line with the same results. Wherever I look online it ...
Nicolas Filotto's user avatar
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1 vote
2 answers
4k views

Let's say we have this sample: struct test { QString name; int count = 0; }; QMap<QString,test> map; test test1; test1.name = "doc1"; map.insertMulti("pen",test1); test test2; test2....
6equj5's user avatar
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4 votes
1 answer
121 views

Update below I have a strange behavior with a property binding in my application. When toggling the expanded property of my layout, the ColumnLayout is not resizing, and the space of the button "...
T3 H40's user avatar
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1 vote
1 answer
113 views

I have integrated QDockWidget windows in QMainWindow, but there is a thin black line (only 1px) under the TabBar. This line appears to be the color of the background. However, I have tried modifying ...
Caffrey's user avatar
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2 votes
4 answers
599 views

On Qt Creator, is there a way separate projects can be made to open in separate windows? The visual separation of the source code files would make comparison / copying much easier. EDIT: From ...
IGHOR's user avatar
  • 720
1 vote
0 answers
110 views

Here's a piece of Qt code: int main(int argc, char *argv[]) { QGuiApplication app(argc, argv); QGuiApplication app2(argc, argv); The first constructor call returns, the second does not. I ...
buzz8year's user avatar
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1 vote
0 answers
48 views

In my paintEvent for QPushButton I am getting the current text color, whether the button is disabled, hovered, checked, or static. This works for disabled but when the button is hovered or checked, it'...
user17463321's user avatar
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