We’re redesigning the GUI on our Slicer custom application and some designers I spoke to have Qt experience and proposed to supply QML scripts. I am not a Qt dev so I’m unclear if this is compatible with the way we use Qt in Slicer, the versions used, etc - it sounds like it could save some boring c…

Based on our prior experience, if the whole application is written in QML, the challenge was the integration with VTK viewers (it is related to sharing of OpenGL context). Note that, this comment is based on experiments done a while back and it may be worth revisiting. Now, if specific components a…

You can also use Qt Designer - creating complex GUI widgets without coding. See discussion in this thread: Workflow that brings together a few modules as tabs in a unifying parent module.

Thanks guys. @lassoan knows our project intimately but more generally, if someone did design and had QML scripts, how would we benefit from that in Python without having to write all the code - is that what Qt Designer does or are they separate ways to do something similar? I’ve not used either but …

Qt Quick Designer does the same thing as Qt Designer, but the first generates QML (web & mobile app look&feel by default) while the second generates UI files (traditional desktop look&feel by default). Both designers allow specifying properties and making connections between GUI elements (in QML you…

I believe it is actually PythonQt ( http://pythonqt.sourceforge.net ). It is similar to PyQt.

PythonQt and pyqt do the same thing (allow Qt to be used from Python), but in Slicer, we chose to use PythonQt, as it comes with a non-restrictive license that allows commercial use for free. Pyqt with non-restrictive license costs $550 per developer. PythonQt has a number of advantages: it automat…

In addition to wheat Andras says, I’ll just also mention that there is also PySide, which is like PyQt but without the restrictive licensing. It did not exist at the time we decided on PythonQt. Overall PythonQt has worked very well for us, but I also note that PySide is now Qt for Python and is a…

It would be better to use mainstream libraries, but for me it looked like that similarly to PyQt, PySide takes over the application (Python is the executable) and does not allow an application to embed Python. With embedding Python, we have full control over message processing and threading in our a…

Opening this back up. I am interested in making a touch screen interface with 3D slicer. The widgets are great for desktop with mouse, but leave something to be desired when it comes to touch screen interfaces. I see that PythonQt supports QtQml and QtQuick submodules, but these do not seem to be…

Using external QML for Slicer custom application?

Development

lassoan (Andras Lasso) December 4, 2019, 4:00pm 15

PythonQt is now on GitHub: https://github.com/MeVisLab/pythonqt. I would recommend to post a question in their issue tracker about this.

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Using external QML for Slicer custom application?

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