Sign up for the KDAB Newsletter
Stay on top of the latest news, publications, events and more.
Go to Sign-up
Find what you need - explore our website and developer resources
15 July 2025
One of the most important features of Qt's model/view framework is without a doubt proxy models. This episode covers these.
Links:
* KItemModels - https://api.kde.org/frameworks/kitemmodels/html/index.html
* Models from KDToolBox - https://github.com/KDABLabs/KDToolBox/tree/master/qt/model_view
* KDAB support: https://www.kdab.com/software-technologies/platforms/
Chapters:
00:00 Welcome
00:27 Multiple views on the same model - the architecture
04:12 Examples of proxy models
07:37 Advertise: Consulting on cross platform software
08:00 Simple code example
10:07 QIdentityProxyModel
11:36 QSortFilterProxyModel
12:29 QAbstractProxyModel
13:14 Lots of existing proxy models
13:52 Whats up next and refreshing memory
The example code showcased in this video is available here:
https://github.com/KDABLabs/kdabtv/tree/master/Programming-With-Qt-Widgets
All 'Introduction to Qt Widgets - Module 1' videos: https://www.youtube.com/playlist?list=PL6CJYn40gN6hgf7zCKF2Rv9Y0WoN8RVGf
All 'Introduction to Qt Widgets - Module 2' videos:
https://www.youtube.com/playlist?list=PL6CJYn40gN6j_c41CFMprvg9EiWz0WdSy
All 'Introduction to Qt Widgets - Module 3' videos:
https://www.youtube.com/playlist?list=PL6CJYn40gN6hWZO_viEf1rfjgk4E6SCKd
All 'Introduction to Qt Widgets - Module 4' videos:
https://www.youtube.com/playlist?list=PL6CJYn40gN6iXUNQMb2GkEjV_oK6Xid9-
All 'Introduction to Qt Widgets - Module 5' videos:
https://www.youtube.com/playlist?list=PL6CJYn40gN6h1tsLAETdrrFlsVMeYpiHI
All 'Introduction to Qt Widgets - Module 6' videos:
https://www.youtube.com/playlist?list=PL6CJYn40gN6jIsRYriqN70V83t_mdDZHT
All 'Introduction to Qt Widgets - Module 7' videos: https://www.youtube.com/playlist?list=PL6CJYn40gN6hHyqD9ZxUqpd14LoHvadN7
All 'Introduction to Qt Widgets - Module 8' videos: https://www.youtube.com/playlist?list=PL6CJYn40gN6iCb8g5NSfVqX0JRFzFnxak
All 'Introduction to Qt Widgets - Module 9' videos:
https://www.youtube.com/playlist?list=PL6CJYn40gN6hALniX7Fw_Ly29bg7pXBqC
Please note that non-English dubs for all KDAB videos are auto-generated. These translations have not been moderated by us and may contain inaccuracies. We appreciate your understanding and apologize for any confusion this may cause.