WHEEL
The WHEEL widget is an updated and more versatile version of the LISTWHEEL widget. The widget can show a given number of texts and/or bitmap arrays on a rotating wheel that the user can scroll through. Optionally, while scrolling the items are morphed into each other.
| WHEEL | |
|---|---|
 Vertical WHEEL widget in plain mode. | |
| Receives focus | No |
| Skinnable | No |
| OwnerDraw | No |
| Uses Memory Devices | Yes |
| Attached widgets | None |
Notification codes
The following events are sent from a WHEEL widget to its parent window as part of a WM_NOTIFY_PARENT message:
| Message | Description |
|---|---|
| WM_NOTIFICATION_CLICKED | WHEEL has been clicked. |
| WM_NOTIFICATION_RELEASED | WHEEL has been released. |
| WM_NOTIFICATION_SEL_CHANGED | Selection of the WHEEL has changed. |
Keyboard reaction
The widget can not gain the input focus and does not react on keyboard input.
Samples
Below are links to samples that demonstrate how to use WHEEL widgets in emWin.
