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# Qt Designer Manual

Qt Designer is Qt's tool for designing and building graphical user interfaces (GUIs) from Qt components. You can compose and customize your widgets or dialogs in a what-you-see-is-what-you-get (WYSIWYG) manner, and test them using different styles and resolutions.

Widgets and forms created with Qt Designer integrated seamlessly with programmed code, using Qt's signals and slots mechanism, that lets you easily assign behavior to graphical elements. All properties set in Qt Designer can be changed dynamically within the code. Furthermore, features like widget promotion and custom plugins allow you to use your own components with Qt Designer.

If you are new to Qt Designer, you can take a look at the Getting To Know Qt Designer document. For a quick tutorial on how to use Qt Designer, refer to A Quick Start to Qt Designer.

For more information on using Qt Designer, you can take a look at the following links:

- Qt Designer's Editing Modes
  - Widget Editing Mode
  - Signals and Slots Editing Mode
  - Buddy Editing Mode
  - Tab Order Editing Mode
- Using Layouts in Qt Designer
- Saving, Previewing and Printing Forms in Qt Designer
- Using Containers in Qt Designer
- Creating Main Windows in Qt Designer
- Editing Resources with Qt Designer
- Using Stylesheets with Qt Designer
- Using a Designer UI File in Your Application

For advanced usage of Qt Designer, you can refer to these links:

- Customizing Qt Designer Forms
- Using Custom Widgets with Qt Designer
- Creating Custom Widgets for Qt Designer
- Creating Custom Widget Extensions
- Qt Designer's UI File Format

## Legal Notices

Some source code in Qt Designer is licensed under specific highly permissive licenses from the original authors. The Qt team gratefully acknowledges these contributions to Qt Designer and all uses of Qt Designer should also acknowledge these contributions and quote the following license statements in an appendix to the documentation.

- Implementation of the Recursive Shadow Casting Algorithm in Qt Designer