[Interest] Using Qt as backend for plugin to be loaded on a host software

Nuno Santos nunosantos at imaginando.pt
Wed Sep 16 21:01:55 CEST 2015


That’s awesome news! :)

I’m still struggling making the QQuickView being displayed on the window given by the host.

In my case I really need to draw the Qt content on the window provided by the host, otherwise the behaviour is awkward.

I will let you know when I have this working.

Nuno Santos
Founder / CEO / CTO
+351 91 621 69 62

> On 16 Sep 2015, at 16:05, Sze Howe Koh <szehowe.koh at gmail.com> wrote:
> I don't have experience with your other questions, but I know this one.
> This approach works fine on Windows; I'm doing something similar in my
> current project. Q(Gui)Application can be safely created in a non-main
> thread. Just make sure that you all create all your GUI classes and
> run their methods in that same thread.
> However, this approach won't work on OS X. Cocoa requires all GUI
> operations to be performed in the main thread:
> http://stackoverflow.com/questions/9761953/running-a-cocoa-gui-in-a-non-main-thread <http://stackoverflow.com/questions/9761953/running-a-cocoa-gui-in-a-non-main-thread>.
> For OS X, see the comments under the answer at
> http://stackoverflow.com/questions/22289423/how-to-avoid-qt-app-exec-blocking-main-thread/22290909#22290909 <http://stackoverflow.com/questions/22289423/how-to-avoid-qt-app-exec-blocking-main-thread/22290909#22290909>
> -- Kuba Ober suggests a way to inject your Qt code into your main
> thread. Note: I don't have a Mac, so I have never tested this myself.
> Please let me know if it works, because I'd like to support OS X with
> my project in the future.
> (Note: One difference between my project and yours is that I only
> create new windows in my plugin; I don't use Qt to manipulate an
> existing window. I don't know if this will make a difference to you or
> not.)

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