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Re: When the OS moves my window, what event should I get?

Subject: Re: When the OS moves my window, what event should I get?
From: Oscar Bonilla <email@hidden>
Date: Thu, 28 Jul 2005 09:41:13 -0700
Delivered-to: email@hidden
Delivered-to: email@hidden

Yeah, I would have thought so. As a matter of fact, I did a EventDebug=1 of my app both when it is not moved by the OS (by placing it in a normal position) and when it is moved by the OS (by placing it below the menu) and the most significant difference is this kEventWindowTransitionStarted.

However, if I try to respond to the kEventWindowBoundsChanged event, my handler doesn't run... what could be happening? Or is there a special way to respond to the kEventWindowTransition[Started|Ended] family of events?

Here's the event trace I was talking about:

Leaving target 0x34A860 with result -9874 Sending Event to 0x34A860: kEventWindowTransitionStarted, 0x34A890 "text.tcl" Leaving target 0x34A860 with result -9874 SendEventToEventTarget entered Sending Event to 0x321930: etrg 1 Leaving target 0x321930 with result -9874 Sending Event to 0x321930: kEventWindowTransitionStarted, 0x34A890 "text.tcl" Leaving target 0x321930 with result -9874 SendEventToEventTarget entered Sending Event to 0x349D80: kEventControlGetFrameMetrics Called handler 0x93144FC4. Event was handled Leaving target 0x349D80 with result 0 SendEventToEventTarget entered SendEventToEventTarget entered Sending Event to 0x34A860: etrg 1 Leaving target 0x34A860 with result -9874 Sending Event to 0x34A860: kEventWindowBoundsChanging, 0x34A890 "text.tcl" Leaving target 0x34A860 with result -9874 SendEventToEventTarget entered Sending Event to 0x321930: etrg 1 Leaving target 0x321930 with result -9874 Sending Event to 0x321930: kEventWindowBoundsChanging, 0x34A890 "text.tcl" Leaving target 0x321930 with result -9874 SendEventToEventTarget entered Sending Event to 0x34A860: kEventWindowShouldRecalcRegions, 0x34A890 "text.tcl" Called handler 0x93154E24. Event was handled Leaving target 0x34A860 with result 0 SendEventToEventTarget entered Sending Event to 0x349D80: kEventControlGetFrameMetrics Called handler 0x93144FC4. Event was handled Leaving target 0x349D80 with result 0 SendEventToEventTarget entered SendEventToEventTarget entered Sending Event to 0x34A860: etrg 1 Leaving target 0x34A860 with result -9874 Sending Event to 0x34A860: kEventWindowBoundsChanging, 0x34A890 "text.tcl" Leaving target 0x34A860 with result -9874 SendEventToEventTarget entered Sending Event to 0x321930: etrg 1 Leaving target 0x321930 with result -9874 Sending Event to 0x321930: kEventWindowBoundsChanging, 0x34A890 "text.tcl" Leaving target 0x321930 with result -9874 SendEventToEventTarget entered Sending Event to 0x34A860: kEventWindowShouldRecalcRegions, 0x34A890 "text.tcl" Called handler 0x93154E24. Event was handled Leaving target 0x34A860 with result 0 SendEventToEventTarget entered SendEventToEventTarget entered Sending Event to 0x34A860: etrg 1 Leaving target 0x34A860 with result -9874 Sending Event to 0x34A860: kEventWindowBoundsChanged, 0x34A890 "text.tcl" Called handler 0x93154E24. Event was NOT handled Leaving target 0x34A860 with result -9874 SendEventToEventTarget entered Sending Event to 0x321930: etrg 1 Leaving target 0x321930 with result -9874 Sending Event to 0x321930: kEventWindowBoundsChanged, 0x34A890 "text.tcl" Leaving target 0x321930 with result -9874 SendEventToEventTarget entered Sending Event to 0x349D80: kEventControlGetFrameMetrics Called handler 0x93144FC4. Event was handled Leaving target 0x349D80 with result 0 SendEventToEventTarget entered SendEventToEventTarget entered Sending Event to 0x34A860: etrg 1 Leaving target 0x34A860 with result -9874 Sending Event to 0x34A860: kEventWindowBoundsChanging, 0x34A890 "text.tcl" Leaving target 0x34A860 with result -9874 SendEventToEventTarget entered Sending Event to 0x321930: etrg 1 Leaving target 0x321930 with result -9874 Sending Event to 0x321930: kEventWindowBoundsChanging, 0x34A890 "text.tcl" Leaving target 0x321930 with result -9874 SendEventToEventTarget entered Sending Event to 0x34A860: kEventWindowShouldRecalcRegions, 0x34A890 "text.tcl" Called handler 0x93154E24. Event was handled Leaving target 0x34A860 with result 0 SendEventToEventTarget entered SendEventToEventTarget entered Sending Event to 0x34A860: etrg 1 Leaving target 0x34A860 with result -9874 Sending Event to 0x34A860: kEventWindowBoundsChanged, 0x34A890 "text.tcl" Called handler 0x93154E24. Event was NOT handled Leaving target 0x34A860 with result -9874 SendEventToEventTarget entered Sending Event to 0x321930: etrg 1 Leaving target 0x321930 with result -9874 Sending Event to 0x321930: kEventWindowBoundsChanged, 0x34A890 "text.tcl" Leaving target 0x321930 with result -9874 SendEventToEventTarget entered Sending Event to 0x349D80: kEventControlGetFrameMetrics Called handler 0x93144FC4. Event was handled Leaving target 0x349D80 with result 0 SendEventToEventTarget entered SendEventToEventTarget entered Sending Event to 0x34A860: etrg 1 Leaving target 0x34A860 with result -9874 Sending Event to 0x34A860: kEventWindowBoundsChanging, 0x34A890 "text.tcl" Leaving target 0x34A860 with result -9874 SendEventToEventTarget entered Sending Event to 0x321930: etrg 1 Leaving target 0x321930 with result -9874 Sending Event to 0x321930: kEventWindowBoundsChanging, 0x34A890 "text.tcl" Leaving target 0x321930 with result -9874 SendEventToEventTarget entered Sending Event to 0x34A860: kEventWindowShouldRecalcRegions, 0x34A890 "text.tcl" Called handler 0x93154E24. Event was handled Leaving target 0x34A860 with result 0 SendEventToEventTarget entered SendEventToEventTarget entered Sending Event to 0x34A860: etrg 1 Leaving target 0x34A860 with result -9874 Sending Event to 0x34A860: kEventWindowBoundsChanged, 0x34A890 "text.tcl" Called handler 0x93154E24. Event was NOT handled Leaving target 0x34A860 with result -9874 SendEventToEventTarget entered Sending Event to 0x321930: etrg 1 Leaving target 0x321930 with result -9874 Sending Event to 0x321930: kEventWindowBoundsChanged, 0x34A890 "text.tcl" Leaving target 0x321930 with result -9874 SendEventToEventTarget entered SendEventToEventTarget entered Sending Event to 0x34A860: etrg 1 Leaving target 0x34A860 with result -9874 Sending Event to 0x34A860: kEventWindowTransitionCompleted, 0x34A890 "text.tcl" Leaving target 0x34A860 with result -9874 SendEventToEventTarget entered Sending Event to 0x321930: etrg 1 Leaving target 0x321930 with result -9874 Sending Event to 0x321930: kEventWindowTransitionCompleted, 0x34A890 "text.tcl" Leaving target 0x321930 with result -9874 Called handler 0x931552E8. Event was handled Leaving target 0x34A860 with result 0 Called handler 0x9311F44C. Event was handled Leaving target 0x321930 with result 0

Thanks,

-Oscar

On Jul 27, 2005, at 11:58 PM, Finlay Dobbie wrote:

On 7/27/05, Oscar Bonilla <email@hidden> wrote:

I have a problem where if the OS moves my window (because it was
mapped at 0,0 under the menubar and the user moved the dock) my
coordinates get out of sync.
I was reading http://lists.apple.com/archives/carbon-development/ 2001/ Apr/msg00161.html and I believe that is exactly what I'm getting.
However, if I listen for the kEventClassWindow/kEventWindowConstrain
event, I never get it. Which event should I be getting when the OS
moves my window?


kEventWindowBoundsChanged?

 -- Finlay


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References:
	>When the OS moves my window, what event should I get? (From: Oscar Bonilla <email@hidden>)
	>Re: When the OS moves my window, what event should I get? (From: Finlay Dobbie <email@hidden>)

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