Nullify the focus of a widget
PtWidget_t *PtContainerNullFocus( PtWidget_t *widget, PhEvent_t *event );
This function nullifies the focus of the specified widget's parent. As a result, none of parent's children has focus.
The event argument contains the event to be passed to the lost-focus callback of the parent widget and any of its children that were part of the focus chain at the time of this function call.
If event isn't provided, a NULL event is generated for you.
A pointer to the widget where the focus chain stops. On successful completion, this is widget's parent.
Photon
Safety: | |
---|---|
Interrupt handler | No |
Signal handler | No |
Thread | No |
PtContainerFocusNext(), PtContainerFocusPrev(), PtContainerGiveFocus()