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Recent Unanswered Threads

How to properly set a background image of a custom widget
Today 23:23 by franco.amato

How to properly use the asynchronous libusb?
Today 18:36 by Andrew23

QPSQL unable to COPY large files
Yesterday 18:48 by dehm

Qt Creator can't locate Qwt plugin
18th January 2021 09:24 by trouden

(PyQt) QSortFilterProxyModel very slow when sorting
17th January 2021 13:44 by TheGrudge

PyQt5 5.15.2 Raspberry Pi issues
12th January 2021 19:21 by shift838

Issue when passing a pointer to a SLOT from a SIGNAL with QObject::connect
9th January 2021 14:07 by teodor

display multimedia camera in QT3D
7th January 2021 03:26 by FCT77

How to change the selected row's color in TreeView of QML?
5th January 2021 15:10 by TheIndependentAquarius

Custom Plot Picker Design
24th December 2020 04:58 by bgorkhe
Recent Forum Posts

How to properly set a background image of a custom widget

Hi forum,
I have a custom widget, showing the output of a video camera ( after some calculations ) and I would display a background png image.
I tried with the ...
franco.amato Today, 23:23

How to properly use the asynchronous libusb?

I worked on the synchronous libusb in my Qt project with good results and now I need the asynchronous features of this library. I understood reading here, here and here that, after I've registered my...
Andrew23 Today, 18:36

Re: Tree model implementation for C++ data to QML

Well, there's where you've reached the limit of my knowledge. I've never written any serious code using the QML / QtQuick framework. Everything I do is QWidget-based desktop apps.

Maybe someone...
d_stranz Today, 16:58

Re: Tree model implementation for C++ data to QML

That is great empirical info on the performance front, thanks

I planned on using vanilla/stl for the data structures on the backend elsewhere to avoid pulling in the qt dependencies and was going...
xconverge Today, 03:13

Re: Tree model implementation for C++ data to QML

No. I use a similar structure for a tree with one root element, 5 top level elements under that, and 10 - 15 children under each of those. Rebuilding the tree and re-displaying it when something...
d_stranz Today, 02:49

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