A fast and easily customised operating system
for ARM devices
AutoScroll Status Flags
h6. Programmer's Reference Manuals
» Part 7 - The Desktop
» The Window Manager
» SWI Calls
» Wimp_AutoScroll
» AutoScroll Status Flags
AutoScroll Status Flags
| Bits | Meaning when set |
|---|---|
| 0 | Horizontal scrolling enabled |
| 1 | Vertical scrolling enabled |
| 2 | Scroll Requests enabled |
| 7 | Clear |
| 8 | Autoscrolling has commenced – this bit is set after a pause is completed, and remains set until the pointer enters the centre zone |
| 9 | Pointer is outside the window’s visible area |
| 10 | Pointer is within one or two pause zones |
| 11 | Pointer is within the centre zone |
| 12 | Pointer is left of the centre zone |
| 13 | Pointer is below the centre zone |
| 14 | Pointer is right of the centre zone |
| 15 | Pointer is above the centre zone |
| 16 | There is work area to the left of the visible area (always clear if bit 0 is clear) |
| 17 | There is work area below the visible area (always clear if bit 1 is clear) |
| 18 | There is work area to the right of the visible area (always clear if bit 0 is clear) |
| 19 | There is work area above the visible area (always clear if bit 1 is clear) |
| All other bits must be ignored | |
Notes
This block is used in conjunction with Wimp_AutoScroll and inform you of the status of the AutoScroll currently in progress.
If bits 0 and 1 are clear AutoScrolling is switched off.