PtAddFilterCallbacks()

Add several Pt_CB_FILTER entries to a widget

Synopsis:

void PtAddFilterCallbacks( 
         PtWidget_t *widget,
         PtRawCallback_t const *callback_defs,
         unsigned int num_handlers );

Library:

ph

Description:

This function adds the number of event handlers specified by num_handlers to the Pt_CB_FILTER callback list that belongs to widget.

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The widget needs to have Pt_GETS_FOCUS set in its Pt_ARG_FLAGS in order to receive key events.

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The callback_defs argument points to an array of PtRawCallback_t, structures. See the Photon Widget Reference.

Examples:

See PtAddFilterCallback().

Classification:

Photon

See also:

PtAddCallback(), PtAddCallbacks(), PtAddEventHandler(), PtAddEventHandlers(), PtAddFilterCallback(), PtAddHotkeyHandler(), PtRemoveFilterCallback(), PtRemoveFilterCallbacks()

PtRawCallback_t, Pt_CB_FILTER in the Photon Widget Reference

“Event handlers” in the Managing Widgets in Application Code chapter of the Photon Programmer's Guide