Operating systems, development tools, and professional services
for connected embedded systems
for connected embedded systems
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PtEnableSurfaceByAction()
Enable all control surfaces associated with an action
Synopsis:
void PtEnableSurfaceByAction(
PtWidget_t *widget,
PtWidgetClassRef_t const *cref,
unsigned short action_id,
unsigned long flags );
Library:
ph
Description:
This function enables all surfaces associated with an action, restoring them from a disabled state.
The widget argument specifies the widget owning the surfaces, while cref and action_id specify the class and manifest of the action associated with surfaces to be enabled.
The flags argument specifies additional action to take, and may include the following values:
- Pt_DAMAGE_SURFACE
- Damage the surface if its state changes. This is useful if a surface draws differently depending on its enabled/disabled state.
Classification:
Photon
| Safety: | |
|---|---|
| Interrupt handler | No |
| Signal handler | No |
| Thread | No |
See also:
PtDisableSurface(), PtDisableSurfaceByAction(), PtDisableSurfaceById(), PtEnableSurface(), PtEnableSurfaceById(), PtSurfaceIsDisabled(), PtSurfaceIsEnabled()
Control Surfaces chapter of the Photon Programmer's Guide
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