The Qt Quick Extras module provides specialized controls for creating user interfaces. These QML types work in conjunction with Qt Quick and Qt Quick Controls .
控件可以被样式化使用 Styles QML Types .
The QML types can be imported into your application using the following import statement in your .qml file.
import QtQuick.Extras 1.4
| CircularGauge | A gauge that displays a value within a range along an arc |
| DelayButton | A checkable button that triggers an action when held in long enough |
| Dial | A circular dial that is rotated to set a value |
| Gauge | A straight gauge that displays a value within a range |
| PieMenu | A popup menu that displays several menu items along an arc |
| StatusIndicator | 显示活动 (或不活动) 状态的指示器 |
| ToggleButton | A push button that toggles between two states |
| Tumbler | A control that can have several spinnable wheels, each with items that can be selected |
| TumblerColumn | A column within a tumbler |
| Picture | An indicator that displays a colorized QPicture icon |
