Itemviews

Richard Moe Gustavsen

Tableview performance

Published Thursday December 20th, 2018 | 7 Comments on Tableview performance
Posted in Dev Loop, Itemviews, Qt Quick 2, Qt Quick Controls

In my previous blog post, I wrote about the new TableView for Qt-5.12. What I didn’t mention was how the new TableView performs compared to the old TableView in QtQuick Controls 1. However, the old version had some serious performance issues, which is what led us to implement a new one from scratch. The reason for the bad performance comes […]

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Richard Moe Gustavsen

TableView

Published Wednesday August 29th, 2018 | 35 Comments on TableView
Posted in Dev Loop, Itemviews, Qt Quick 2, Qt Quick Controls

I’m happy to announce that in Qt 5.12, a new TableView item will be available in the QtQuick module. TableView is similar to the existing ListView, but with additional support for showing multiple columns. Like with ListView, you can assign data models of any kind to TableView, like ListModels or plain Javascript arrays. But to […]

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Andy Shaw

Qt Support Weekly #27 – Widgets on a header

Published Friday September 28th, 2012 | 10 Comments on Qt Support Weekly #27 – Widgets on a header
Posted in Itemviews, Qt

Just recently someone had asked about having QComboBoxes placed over the sections inside a QHeaderView, initially I thought this would be fairly straightforward as you could use the setViewportMargins() and put the widgets at the top.  But unfortunately this is not possible to do because the itemviews set the viewport margins itself and setting it […]

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QDirModel is now obsolete, QFileSystemModel is taking the job…

Published Friday January 8th, 2010 | 14 Comments on QDirModel is now obsolete, QFileSystemModel is taking the job…
Posted in Itemviews, Performance

Back in Qt 4.4, QFileDialog was rewritten in order to help with performance issues. In addition to that a new model was designed to read the hard drive content: QFileSystemModel. The main advantage of QFileSystemModel is its thread: the model is populated asynchronously by a gatherer thread. The benefit is that the GUI is not […]

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Putting QtWebKit to use with Google Maps

Published Thursday July 3rd, 2008 | 3 Comments on Putting QtWebKit to use with Google Maps
Posted in Itemviews, Qt, WebKit

Hi there. This is my first blog post, so I guess introductions are in order; My name is Henrik Hartz, and work as a Specialist with Product Management in Troll^W Qt Software. In Product Management I do all kinds of stuff, ranging from working with requirements, specifications, product releases, meeting customers, thinking about the future […]

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