[Kde-bindings] Qyoto: Movable QDockWidgets

[Arno Rehn]

Am Mittwoch, 18. Oktober 2006 23:04 schrieb Richard Dale:
> On Wednesday 18 October 2006 21:50, Arno Rehn wrote:
> > Am Mittwoch, 18. Oktober 2006 19:02 schrieb Richard Dale:
> > > On Wednesday 18 October 2006 17:31, Arno Rehn wrote:
> > > > Hi,
> > > >
> > > > I've just tried to convert some other examples from C++ to C# and
> > > > recognized that QDockWidgets are not movable. I've written this small
> > > > example:
> > > >
> > > > using Qyoto;
> > > >
> > > > class Window : QMainWindow {
> > > > 	public Window() : base() {
> > > > 		SetCentralWidget(new QTextEdit(this));
> > > >
> > > > 		QDockWidget dock = new QDockWidget(this);
> > > > 		dock.SetWidget(new QTextEdit(dock));
> > > > 		AddDockWidget(Qt.DockWidgetArea.LeftDockWidgetArea, dock);
> > > > 	}
> > > >
> > > > 	public static int Main(string[] args) {
> > > > 		new QApplication(args);
> > > > 		Window w = new Window();
> > > > 		w.Show();
> > > > 		return QApplication.Exec();
> > > > 	}
> > > > }
> > > >
> > > > Normally the QDockWidget should be movable. The same example in C++
> > > > works as expected. Any ideas?
> > >
> > > Hmm, it doesn't work for me either. I tried it in QtRuby and that was
> > > fine, so it isn't something to do with the Smoke library. The only
> > > thing I can think is that events are being lost because Qt thinks an
> > > event handler is being overriden when it isn't. So perhaps the best
> > > thing is to try monitoring the overloaded virtual method callbacks to
> > > see if there is anything funny going on with them.
> >
> > Uhm... - Ok, but how do we do that? What methods do we need to watch?
> > The other solution would be to code some ugly hack that creates the
> > QMainWindow in libqyoto.so and sets the pointer to it in the
> > C#-QMainWindow-instance. With "original-C++-QMainWindows" everything
> > works. But I don't know if this problem only affects mainwindows or also
> > other classes.
>
> I had a look at which virtual methods were being overriden, and it was only
> ever QObject::metaObject(). I checked that the QDockWidget features were
> correct and they were set to '7', which should mean the widget is movable
> ok. So I can't think of what it can be at the moment, or how to find out.

I implemented my ugly hack and it works for now. It's definitely not a good 
solution and if someone has a better one, please check it in!
But I think at the moment we should focus on other things like D-BUS. I 
haven't tested yet if it works with my last commits, so this will be my next 
task.

-- 
Arno Rehn
arno at arnorehn.de