Re: Navigation services' QuitEventLoop disturbs my event loop

• Subject: Re: Navigation services' QuitEventLoop disturbs my event loop
• From: Tomas Zahradnicky <email@hidden>
• Date: Fri, 30 Jun 2006 23:50:44 +0200
• Delivered-to: email@hidden
• Delivered-to: email@hidden

What modality are you running your save dialog in? Hmm... QuitEventLoop is called on the current event loop in all cases anyway so this may be a bug.

Hi Bryan,

I haven't done anything with the modality so it should run app modal.

The following work arounds the problem when called right after NavDialogRun:

void QuitEventLoopBugWorkAround()
{
    //----------------------------------------
    //  Patch to ignore QuitEventLoop issued
    //  by something in Navigation Services!
    //----------------------------------------

    EventRef                    dummyEvent = NULL;

    if( eventLoopQuitErr  ==  ReceiveNextEvent(  0,
                                                 NULL,
                                                 kEventDurationMillisecond,
                                                 FALSE,
                                                 &dummyEvent
                                              )
    )
    {
        dummyEvent = NULL;

Tomas

On Jun 30, 2006, at 1:21 PM, Tomas Zahradnicky wrote:

Dear Carbon Developers,

I've found a strange behavior in my app and it seems to be caused by Navigation Services.

My app's using a custom run loop with ReceiveNextEvent and receives eventLoopQuitErr message when the put file Navigation Services dialog gets dismissed.

  #0  0x93252e50 in QuitEventLoop ()
  #1  0x9316b730 in __NavDialog::TerminateWithUserAction ()

Is this a bug in Navigation services that it allows its own quit to propagate? The put file navigation dialog is shown with a NavDialogRun call.

Cheers,

  Tomas
--
# Ing. Tomas Zahradnicky, Jr.
# The Czech Technical University
# Dept of Computer Science, FEE-CTU Prague
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--
# Ing. Tomas Zahradnicky, Jr.
# The Czech Technical University
# Dept of Computer Science, FEE-CTU Prague
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