[Interest] QML Inspector?

Jérôme Godbout jerome at bodycad.com
Fri Jun 26 22:35:26 CEST 2015

VS2013 x64 Native Tools Command Prompt

On Fri, Jun 26, 2015 at 4:34 PM, Samuel Gaist <samuel.gaist at edeltech.ch>

> Hi,
> There's no such limitation, you can build it in 64bit.
> Did you start your build from a amd64 or x86_amd64 cross-compiling console
> ?
> On 26 juin 2015, at 21:04, Jérôme Godbout <jerome at bodycad.com> wrote:
> > I'm trying to compile GammaRay, anybody manage to compile it in x64
> under Windows?
> >
> > I manage to compile VTK and set the proper env (VTK_DIR) against Qt 5
> x64. I couldn't compile Graphiz in x64 (complaining about missing header
> textspan.h, manually give it to him, still cannot compile it in x64, the
> solution doesn't work in VS2012). Even without Graphiz, the solution output
> by GammaRay cmake doesn't have any x64 into. Even if I add the
> configuration for x64, I still end up with many erros:
> > Error 19      error LNK1112: module machine type 'x64' conflicts with
> target machine type 'X86'
>  ...\build\tests\manual\x64\Release\wk2application.obj   1
> >
> > I guess we are only suppose to compile GammaRay in 32 bits. Can we
> compile it in x86 with Qt 5 x86 and run it to debug Qt 5 x64 after
> properly? We only have a 64 bits version of ours app, we drop 32 bits
> support last years.
> >
> >
> >
> > On Fri, Jun 26, 2015 at 9:33 AM, Jérôme Godbout <jerome at bodycad.com>
> wrote:
> > Hi,
> > thanks all for your inputs, there's a few thing I was not aware of. For
> the visualizer, I see little benefit in my use case in desktop, probably
> more useful for embedded platform project which I think still have a real
> world purpose.
> >
> > As for GammaRay, it's slow down our application too much, we are doing
> 3D CAD application with Qml (we have 3D scene render into texture and many
> many objects into our Qml Tree, since the 3D objects are part of it as
> children to our 3D viewport, yeah it's weird usage but make our application
> very flexible). We tested GammaRay around summer years 2014 if I remember
> correctly (2.1.0 I guess). It does the object inspection well, can edit,
> invoke and emit was not working so well at the time, maybe they fixed it by
> now. Singleton are not supported. But mainly, it make our application run
> like it's in debug which is way too slow to our liking. Not sure if their
> was any improvement on this, but for day to day work, it was not cutting it
> at the time.
> >
> > From the change log since my last eval (available here for those who are
> looking for it, should realy put a link on the main page to this):
> > https://github.com/KDAB/GammaRay/releases
> >       • Support displaying of QQmlListProperty contents.
> >       • Fix invoking non-slot methods with arguments.
> >       • Expose signal/slot spy callback API to plug-ins.
> >       • Support for manually emitting signals, and improved method
> display.
> >       • Fix crash when target deletes a signal sender in a slot.
> > Seem like I should give it another spin. Our in house tool is doing this
> without much slow down and can even perform invoke/emit/inspect/edit/regex
> search on object based on ptr/name/id/type and clickable to navigate
> through childs/parent. Wish we could license it open source, but I doubt we
> could do that here :-(  Seem like maybe GammaRay have evolved enough so we
> can ditch in-house implementation, will let the list known how it did go as
> soon as I can have time to test the latest release.
> >
> > I'm looking forward for that QtCreator items inspector, would love to
> see it spin off of QtCreator and becoming a component on it's own, that
> would help many people who are using other IDE. I was not aware of this
> one, thanks for the info.
> >
> > On a side note, I agree a Qml would need a TreeView, would remove our
> dependencies on QWidgets for us.
> >
> >
> >
> >
> > On Fri, Jun 26, 2015 at 6:33 AM, Rutledge Shawn <
> Shawn.Rutledge at theqtcompany.com> wrote:
> >
> > On 25 Jun 2015, at 21:41, Jérôme Godbout <jerome at bodycad.com> wrote:
> >
> > > There's GammaRay
> > > http://www.kdab.com/kdab-products/gammaray/
> > > https://github.com/KDAB/GammaRay
> > >
> > > It's not 100% efficient, but better then nothing. We end up doing our
> own debugger command line to search and inspect object along a TreeView
> from QWidgets to see/edit properties, pointer value, invoke methods and
> emit signal. I would love to see one build for Qml build-in, we could stop
> maintain ours.
> >
> > https://codereview.qt-project.org/#/c/44322/ is a patch for qmlscene
> which I’ve been occasionally developing and using for a long time (2012 or
> so).  Earlier versions looked at the object hierarchy (the QObject
> parent/child relationship), whereas now it looks at the top-level Item’s
> childItems().  Each way has its advantages… There is a QAIM model and a
> QTreeView to view the items and a few properties, and a “dump” button to
> get the rest.
> >
> > However it’s not desirable to have a dependency on widgets in a QML
> tool.  (Although maybe having it in qmlscene wouldn’t be so bad, because we
> are trying to deprecate qmlscene anyway.)  And it crashes sometimes,
> because the tree does not automatically remove objects when they are
> destroyed, so it can end up trying to get properties from dead objects.
> I’m sure that’s fixable if the desire continues to have such a tool.  Maybe
> it could even be dynamically loaded by the qml tool, instead of being
> linked in.  And I’d want it to be able to discover all of an application’s
> windows.  And I’d like to have it show the scene graph nodes which each
> Item is responsible for, and the z stacking order.
> >
> > Ideally maybe we should have a TreeView which can directly use any
> object hierarchy as the model, without needing a QAIM.  But of course such
> a tree would have to avoid inspecting itself.
> >
> > Maybe it’s not worth doing, now that GammaRay is working well enough?
> What do you not like about GammaRay at this point?
> >
> >
> >
> > _______________________________________________
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