Tk_HandleEvent - Online Linux Manual Page

Section : 3
Updated :
Source : Tk
Note : Tk Library Procedures

NAMETk_HandleEvent − invoke event handlers for window system events
SYNOPSIS#include <tk.h> Tk_HandleEvent(eventPtr)
ARGUMENTS . el .TP 15   ​XEvent *eventPtr (in) Pointer to X event to dispatch to relevant handler(s). .\}
DESCRIPTIONTk_HandleEvent is a lower-level procedure that deals with window events. It is called by Tcl_ServiceEvent (and indirectly by Tk_DoOneEvent), and in a few other cases within Tk. It makes callbacks to any window event handlers (created by calls to Tk_CreateEventHandler) that match eventPtr and then returns. In some cases it may be useful for an application to bypass the Tk event queue and call Tk_HandleEvent directly instead of calling Tcl_QueueEvent followed by Tcl_ServiceEvent. This procedure may be invoked recursively. For example, it is possible to invoke Tk_HandleEvent recursively from a handler called by Tk_HandleEvent. This sort of operation is useful in some modal situations, such as when a notifier has been popped up and an application wishes to wait for the user to click a button in the notifier before doing anything else.
KEYWORDScallback, event, handler, window 0
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