- I'm sure there will be a standard tree widget component, it's mandatory for any serious toolkit
- You will still be able to do custom drawing with QPainter, http://doc.qt.nokia.com/qt5-snapshot/qsgpainteditem.html - I wouldn't use QAbstractItemModel for small-to-medium size models. QML does not mandate (or even encourage) using it by any means. On Sun, Oct 9, 2011 at 5:28 PM, qtnext <[email protected]> wrote: > Hi, > > I am planning to develop a non linear video system editor (After Effect, > Final Cut Like)... The main Widget of this kind of software is the > Timeline (composed of layers, in which you can add key frame, and on the > left panel you can directly set value of the keyframes). you can see > the curve between keyframe, hide layers, ... zoom, unzoom, scroll.. > > > - I have develop similar software years ago : first Qt2 or 3 (don't > remenber) : using Qpainter and adding removing visible items in the > timeline on the fly... > > - Then I have do that for another software with QGraphicsView : Easy ! > you add all the items in qgraphicsScene And Qt do all the job to manage > the large number of items... I have a QtreeWidget to change property of > each keyframe on the left... It was working fine ! But when you wants to > customize some parts in the QtreeWidget it was not very easy ... > > - Now I plan to use Qt Quick /Qt5 (I know it's not ready to use now ... > but it's a project for next year !) : > I plan to replace all the widgets (QTreeWidget/QgraphicsWidget) by a Qml > and QAbstractModel : it will be more flexible to use javascript, easier > to break rectangular area, effects, .... But How can I do that in QML > efficiently ? I will have a large numbers of items ... In short how to > code what can be easily and efficiently done with QGraphicsView ? > > _______________________________________________ > Qt5-feedback mailing list > [email protected] > http://lists.qt.nokia.com/mailman/listinfo/qt5-feedback > _______________________________________________ Qt5-feedback mailing list [email protected] http://lists.qt.nokia.com/mailman/listinfo/qt5-feedback
