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GUI application programming with the Qt framework

Topic Description

Qt is a cross-platform application development framework that builds on C++. It is made with application developers in mind and has excellent documentation and a comprehensive library. It's easy and fun to develop with. It supports all major desktop and mobile platforms.

basic

basic difficulty

Introductory units about the Qt framework. Elaborate on the structure of a Qt application, basic data types, how layouts work and what widgets are available.

  • Unit 1 - Hello World!

    first application

    A simple GUI application that prints the message 'Hello World!'.

  • Unit 2 - Push Me!

    an interactive button

    A button that shows a popup message when clicked. This unit introduces object communication.

  • Unit 3 - Layout Essentials

    vertical layout and stylesheets

    First of the layout units. Explains how to create a simple layout that positions a few labels on the screen.

  • Unit 4 - Message Boxes

    information, warnings, criticals and questions

    Demonstrate all four message box types.

  • Unit 5 - Trigger Delayed Actions

    make things happen after a timeout

    Introduces the QTimer class, that emits one-time or repeated signals.

  • Unit 6 - More on Layouts

    vertical, horizontal and grid

    Introduce horizontal and grid layouts and demonstrate how they work.

  • Unit 7 - Margin and Spacing

    third layout unit

    Shows how to change the spacing between and around layout items.

  • Unit 8 - Matroska

    nested layouts and widgets

    With this method complex application layouts can be realized while keeping the code readable.

  • Unit 9 - Form Layout

    the fourth layout type

    Form layouts are a quick way to make linked two column layouts.

  • Unit 10 - Huston, come in!

    radiobuttons

    A radio button is a common control type that provides exclusive selection states.

  • Unit 11 - Checkboxes

    multiple choice selections

    A checkbox is a non-exclusive state button that can be checked and unchecked.

  • Unit 12 - Sliders

    all the widgets with range values

    This unit introduces a set of widgets that set or display a value within a range.

  • Unit 13 - QLineEdit

    slots

    Introducing the slots of the QLineEdit widget.

  • Unit 14 - QLineEdit

    signals

    This unit introduces the QLineEdit widget's signals.

  • Unit 15 - QLineEdit

    input masks and validators

    Shows how to apply an input mask or validator to a QLineEdit widget to constrain accepted input values.

  • Unit 16 - QLineEdit

    completers and attributes

    Shows how to enable auto-complete and the remaining attributes of the QLineEdit class.