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Qt Widget hello world

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Qt Widget hello world

Qt Widget "Hello World" using the Designer 

▣ Open Qt Creator and click on Create Project...

▣ Create Qt Widgets Application

▣ Set project location and provide a name - HelloWorld

▣ Use CMake for the build system

▣ Use the default when defining the main class

▣ For the translation file, do the default for now

▣ Select the Kit (toolchain) to use - if you have followed this installation instruction then you will only have one option as below

▣ In the Summary, just do the default

▣ The HelloWorld project should show the editor with main.cpp files content.  Double click on mainwindow.ui to open the designer.

▣ In the Controls palette, scroll all the way down and look for Label, then drag and drop into the canvas, see below. Then double click to change the text to Hello World. Change the size to show the entire text.  

▣ Click on the Run button, see below for the location

▣ An application with MainWindow title bar and Hello World text should show up. Congratulations on your first Qt application!

Keywords: Qt Creator, Hello World
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