Operating systems, development tools, and professional services
for connected embedded systems
for connected embedded systems
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PtCheckSurfaces()
Match an event with the control surfaces belonging to a widget
Synopsis:
int PtCheckSurfaces( PtWidget_t *widget,
PhPoint_t *point,
PhEvent_t *event );
Library:
ph
Description:
This function matches the given event with the control surfaces belonging to widget. If the event corresponds to a control surface, the surface's action is invoked.
PtCheckSurfaces() is usually called only from PtEventHandler(), although you can call it with a fake event if you need to.
Returns:
- Pt_CONTINUE
- The event wasn't processed by a control surface.
- Pt_END
- The event was processed by a control surface.
Classification:
Photon
| Safety: | |
|---|---|
| Interrupt handler | No |
| Signal handler | No |
| Thread | No |
See also:
PhEvent_t, PtEventHandler(), PhPoint_t
Control Surfaces chapter of the Photon Programmer's Guide
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