1Tk_QueueWindowEvent(3)       Tk Library Procedures      Tk_QueueWindowEvent(3)
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NAME

8       Tk_CollapseMotionEvents,  Tk_QueueWindowEvent  -  Add a window event to
9       the Tcl event queue
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SYNOPSIS

12       #include <tk.h>
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14       int
15       Tk_CollapseMotionEvents(display, collapse)
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17       Tk_QueueWindowEvent(eventPtr, position)
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ARGUMENTS

20       Display             *display   (in)      Display for which  to  control
21                                                motion event collapsing.
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23       int                 collapse   (in)      Indicates    whether    motion
24                                                events should be collapsed  or
25                                                not.
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27       XEvent              *eventPtr  (in)      An  event  to add to the event
28                                                queue.
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30       Tcl_QueuePosition   position   (in)      Where to add the new event  in
31                                                the   queue:   TCL_QUEUE_TAIL,
32                                                TCL_QUEUE_HEAD,             or
33                                                TCL_QUEUE_MARK.
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DESCRIPTION

38       Tk_QueueWindowEvent places a window event on Tcl's internal event queue
39       for eventual servicing.  It creates a Tcl_Event structure,  copies  the
40       event into that structure, and calls Tcl_QueueEvent to add the event to
41       the queue.  When the event is eventually removed from the queue  it  is
42       processed just like all window events.
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44       When  multiple  motion events are received for the same window in rapid
45       succession, they are collapsed by default.  This behavior can  be  con‐
46       trolled  with  Tk_CollapseMotionEvents.  Tk_CollapseMotionEvents always
47       returns the previous value for collapse behavior on the display.
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49       The position argument to Tk_QueueWindowEvent has the same  significance
50       as  for  Tcl_QueueEvent;   see the documentation for Tcl_QueueEvent for
51       details.
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KEYWORDS

55       callback, clock, handler, modal timeout, events
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59Tk                                    7.5               Tk_QueueWindowEvent(3)