Qt 带有现代应用程序用户，所期望的大量标准 Widget。
还可以开发自己的自定义 Widget 和控件，并使用它们与标准 Widget 一起。
甚至可以为 Widget 提供自定义样式和主题，用于改变标准 Widget 和适当编写的自定义 Widget 的外观。
| 指针式时钟范例展示如何绘制自定义 Widget 的内容。 | |
| 范例展示如何使用信号/槽来实现计算器 Widget 功能，及如何使用 QGridLayout 将子级小部件放在栅格中。 | |
| 日历 Widget 范例展示使用 QCalendarWidget。 | |
| Shows how to render a textured cube and integrate with QPainter and widgets, using QRhi Qt's 3D API and shading language abstraction layer. | |
| 用于显示和打印 JSON、文本及 PDF 文件的 Widget 应用程序 | |
| The Line Edits example demonstrates the many ways that QLineEdit can be used, and shows the effects of various properties and validators on the input and output supplied by the user. | |
| The Scribble example shows how to reimplement some of QWidget's event handlers to receive the events generated for the application's widgets. | |
| The Shortcut Editor example shows how to create a basic, read-write hierarchical model to use with Qt's standard view and QKeySequenceEdit classes. For a description of Model/View Programming, see the Model/View Programming overview. | |
| Shows how to render a triangle using QRhi, Qt's 3D API and shading language abstraction layer. | |
| The Sliders example shows how to use the different types of sliders available in Qt: QSlider, QScrollBar and QDial. | |
| The Spin Boxes example shows how to use the many different types of spin boxes available in Qt, from a simple QSpinBox widget to more complex editors like the QDateTimeEdit widget. | |
| The System Tray Icon example shows how to add an icon with a menu and popup messages to a desktop environment's system tray. | |
| 此范例展示如何在 Qt 应用程序中使用 Wacom 数位板。 | |
| 范例展示如何制作具有半透明背景的圆形窗口。 | |
| Widget 图库范例展示用于设计 UI 的相关小部件。 | |
| 窗口标志范例展示如何使用可用于 Qt 的窗口标志。 |
