[Qt-interest] Problem using QT in a plugin for Adobe After Effects (mac)

[Paul Miller]

On 10/7/2010 4:58 PM, Zviadi Varshanidze wrote:
> Sorry for posting this twice, maybe someone has already struggled with
> something like this?

Three words: "don't go there". Qt plugging into Mac host apps is a world 
of hurt.

Also don't forget AE CS5 is Cocoa, CS4 and before are Carbon.

> Zviadi
>
> *From:* Zviadi Varshanidze <mailto:zvarshanidze at gmail.com>
> *Sent:* Tuesday, October 05, 2010 3:46 PM
> *To:* qt-interest at trolltech.com <mailto:qt-interest at trolltech.com>
> *Subject:* Problem using QT in a plugin for Adobe After Effects (mac)
>
> Hello,
>
> While trying to port the AE plug-in whose GUI uses QT, I've run into issues.
> Windows version of plug-in works just fine. On Mac, right after I
> display a modal QDialog and then close it, I observe a strange behavior.
> Buttons in native AE windows start to not respond to mouse clicks.
> For example, in Open Project dialog, I'm unable to select any items in
> the list, cannot press the Open button etc. This happens when using
> Cocoa version of QT 4.7. With Carbon version, the menu commands does not
> even work at all, i.e. I can select them but nothing happens. I've heard
> Qt installs its own event handler blocking the one set by the Host
> application. Setting Qt::AA_MacPluginApplication before creating the
> QApplication instance does not solve the problem. Could someone tell me
> what could be the cause of such behavior and suggest a possible
> workaround to this problem?
>
> Thanks in advance
>
>
>
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