Cannot use QML designer with custom components

alexander

You can write qml plugin for your custom components and it'll work.

alexander

Of course, sometimes it's not convenient:(

strekazoid

Come on, just bounding box around the custom component would be enough. I don't even need much the actual content.

alexander

But what size of bounding box must be?

strekazoid

Width, height, x and y are specified inside the custom component.

alexander

I also thought about this, but I think this approach has some pitfalls:(

strekazoid

But I mean, qmlviewer is able to interpret everything right. Why can't Qt creator?

alexander

You use own qml plugins? QDeclarativeExtensionPlugin

edis

In my case, it runs, but displays 'Package not found'

diro

It may cause by qmldump.exe
The QtCreator will call qmldump to get the plugin information. And sometimes it cannot output the info by pipe.
You can try this:
qmldump.exe COMPONENT 1.0
and you will see some information, but if you try
qmldump.exe COMPONENT 1.0 >> info.txt
the info.txt may be empty, and it is why QtCreator cannot get the plugin information!

How to fix:
edit the source code of qmldump, add this statement fflush(stdout); after std::cout << bytes.constData(); (about line 578)

Alicemirror

This discussion is interesting, but please I need a clarification on the means of the terms. For custom components you mean a totally new component of a non-standard qml object?

Then does someone knows if there is a method to create designs using components that are defined using the Loader element?

Thank you.

edis

With Qt Creator 2.4 it works fine most of the time!

edis

In fact, this is still a problem.

Any custom component is rendered with a blank box. While this makes it possible to use the designer to "design" it. In fact it is almost useless.

The example:
http://doc.qt.nokia.com/4.7-snapshot/declarative-tutorials-extending-chapter1-basics.html

Will render fine in the running app, but QtCreator's designer will render a blank box making it impossible for designers to design anything.

How can we create a new C++ element that will render in both cases?