qgraphicsview event
You're not getting the events because they're being handled by the scene object you're creating, not your class. Remove the QGraphicsScene *scene; from your ... , You also need to understand the event handling between the QGraphicsView, the QGraphicsScene, and any items in the scene.,QGraphicsView translates the mouse and key events into scene events, (events that inherit QGraphicsSceneEvent,), and forward them to the visualized scene. ,QGraphicsView translates the mouse and key events into scene events, (events that inherit QGraphicsSceneEvent,), and forward them to the visualized scene. , But the Items get no mouse evens. Here is what I did: - reimplemented QGraphicsView::mousePressEvent() (and the other events I need) - this ..., 一、简介. GraphicsView支持事件传播体系结构，可以使图元在场景scene中得到提高了已被的精确交互能力。图形视图框架中的事件都是首先由视图 ..., ... 就不一樣，所以能支援的event 也不完全相同；在這邊就不詳列了，請自行參考官方文件（QGraphicsView、QGraphicsScene、QGraphicsItem）。,Hello, I have a subclassed QGraphicsView and added mousePressEvent. When clicked on the view, it creates a QGraphicsItem at the same ...
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 qgraphicsview event 相關參考資料
Events in QGraphicsView - Stack Overflow
You're not getting the events because they're being handled by the scene object you're creating, not your class. Remove the QGraphicsScene *scene; from your ... https://stackoverflow.com How to handle mouse events captured from QGraphicsView and ...
You also need to understand the event handling between the QGraphicsView, the QGraphicsScene, and any items in the scene. https://stackoverflow.com QGraphicsView Class | Qt 4.8 - Qt Documentation
QGraphicsView translates the mouse and key events into scene events, (events that inherit QGraphicsSceneEvent,), and forward them to the visualized scene. https://doc.qt.io QGraphicsView Class | Qt Widgets 5.12 - Qt Documentation
QGraphicsView translates the mouse and key events into scene events, (events that inherit QGraphicsSceneEvent,), and forward them to the visualized scene. https://doc.qt.io QGraphicsView mouse events - Qt Centre Forum
But the Items get no mouse evens. Here is what I did: - reimplemented QGraphicsView::mousePressEvent() (and the other events I need) - this ... https://www.qtcentre.org QGraphicsView框架事件处理- 非常道的博客- CSDN博客
一、简介. GraphicsView支持事件传播体系结构，可以使图元在场景scene中得到提高了已被的精确交互能力。图形视图框架中的事件都是首先由视图 ... https://blog.csdn.net Qt Graphics View Framework 中的事件– Heresy's Space
... 就不一樣，所以能支援的event 也不完全相同；在這邊就不詳列了，請自行參考官方文件（QGraphicsView、QGraphicsScene、QGraphicsItem）。 https://kheresy.wordpress.com [SOLVED]mousePress event QGraphicsView | Qt Forum
Hello, I have a subclassed QGraphicsView and added mousePressEvent. When clicked on the view, it creates a QGraphicsItem at the same ... https://forum.qt.io |