Top "Qt" questions

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.

Linking a qtDesigner .ui file to python/pyqt?

So if I go into QtDesigner and build a UI, it'll be saved as a .ui file. How can I …

python user-interface qt pyqt qt-designer
QByteArray to QString

I'm having issues with QByteArray and QString. I'm reading a file and stores its information in a QByteArray. The file …

c++ qt qstring qtcore qbytearray
Qt: How do I handle the event of the user pressing the 'X' (close) button?

I am developing an application using Qt. I don't know which slot corresponds to the event of "the user clicking …

c++ qt
How do I create a simple Qt console application in C++?

I was trying to create a simple console application to try out Qt's XML parser. I started a project in …

c++ qt console
How to specify different Debug/Release output directories in QMake .pro file

I have a Qt project and I would like to output compilation files outside the source tree. I currently have …

qt qmake
How to change the Title of the window in Qt?

How to change the title of the window in Qt? (Both for QDialog and QMainWindow.)

c++ qt window title
How to show another window from mainwindow in QT

Platform: QT, Windows XP I am new to Qt. I want to show another window(what to do to open …

windows qt showdialog
Error on execution -version `Qt_5' not found required by

On execution of eiskaltdc++ on ubuntu 15.10 ,I get the following error: eiskaltdcpp-qt: /usr/lib/x86_64-linux-gnu/libQt5Multimedia.so.5: version `…

linux qt ubuntu qt5.6
Set QLineEdit to accept only numbers

I have a QLineEdit where the user should input only numbers. So is there a numbers-only setting for QLineEdit?

c++ qt qlineedit
Qt: resizing a QLabel containing a QPixmap while keeping its aspect ratio

I use a QLabel to display the content of a bigger, dynamically changing QPixmap to the user. It would be …

c++ qt qt4 qlabel