Qt Inheritance Hierarchy Tutorial

QT inheritance hierarchy is the C++ class inheritance relationships between the classes in the Qt API (Application Programming Interface). Besides having an inheritance hierarchy, Qt is split up into various modules. This article looks at both Qt inheritance hierarchy and Qt modules. An understanding of class inheritance and the module structure of the Qt API … Continue reading Qt Inheritance Hierarchy Tutorial

Run External Program from GTK Application

Run external program from GTK application using GTK 3 and the C programming language. How to run an external program from within a GTK application written in the C programming language using Glade interface designer. This tutorial shows how to invoke a command line command from a GTK 3 GUI application and redirect the output … Continue reading Run External Program from GTK Application

QCheckBox Qt Creator Tutorial

How to use a QCheckBox check box widget in a Qt Creator C++ program or application. This tutorial demonstrates the use of the QCheckBox class that implements a check box widget in Qt. The example application built in this part of the Qt Creator tutorial series is shown in the image below. The result of … Continue reading QCheckBox Qt Creator Tutorial

Qt Toggle Button Qt Creator Example

Simple example application that shows how to set up and use a Qt toggle button using Qt Creator and C++. Creates a Toggle Button from a QPushButton. The following image shows the simple application built in this part of the tutorial series. It shows how to use a Qt toggle button. Comparing Qt with GTK: … Continue reading Qt Toggle Button Qt Creator Example

QComboBox Qt Creator Example

A simple Qt example for beginners that shows how to use a QComboBox widget using Qt Creator and C++ code. Get the selected item number and selected text from a Qt Combo Box in this tutorial. The image below shows the application built in this part of the Qt Creator C++ tutorial series. A QComboBox … Continue reading QComboBox Qt Creator Example

Change Label Color in Qt Game Tutorial

How to change label color in Qt with a simple game example using C++ and Qt Creator. Build a heads or tails coin toss game in this tutorial. The image below shows the simple game built in this part of the Qt programming tutorial series. It is an enhanced version of the simple coin toss … Continue reading Change Label Color in Qt Game Tutorial

Find Selected Qt Radio Button

Find the selected Qt radio button in a set of radio buttons in a Qt 5 application. How to find the selected radio button in Qt using Qt Creator and C++. This tutorial also shows how to copy and rename a Qt project created with Qt Creator. The following image shows the application built in … Continue reading Find Selected Qt Radio Button

Group Radio Buttons in Qt Creator

How to group radio buttons in Qt Creator in a Qt Widgets Application. This article shows the different ways to group radio buttons on a window in Qt Creator so that they behave like a group. Group sets of radio buttons as separate groups. Each group operates independently from the other groups. The following image … Continue reading Group Radio Buttons in Qt Creator

Qt Widgets Application Project Structure

Qt widgets application project structure in terms of files and C++ objects. How Qt widget applications are organized. How to get pointers to widgets in Qt. In this part of the Qt creator C++ tutorial, we look at the organization of default Qt Widgets Application projects. These projects are created in Qt Creator using the … Continue reading Qt Widgets Application Project Structure