qgraphicsitem mousepressevent

相關問題 & 資訊整理

qgraphicsitem mousepressevent

CustomView::mousePressEvent(QMouseEvent *event) // handle the event as you like .... QGraphicsItem::mousePressEvent(event); event->accept(); } } else ... ,Hi all, I have the following mousePressEvent, it's works fine but only when double clicking the mouse, I want it to work only when single click on ... ,QGraphicsView isn't really a good place to handle scene-specific events. Instead, you'll need to override QGraphicsScene::mousePressEvent. I would ... ,QPolygonF, mapFromItem(const QGraphicsItem * item, const QRectF & rect) const .... virtual void, mousePressEvent(QGraphicsSceneMouseEvent * event). ,The QGraphicsItem class is the base class for all graphical items in a QGraphicsScene. .... virtual void, mousePressEvent(QGraphicsSceneMouseEvent *event). ,The QGraphicsItem class is the base class for all graphical items in a QGraphicsScene. .... virtual void, mousePressEvent(QGraphicsSceneMouseEvent *event). ,The QGraphicsItem class is the base class for all graphical items in a QGraphicsScene. .... virtual void, mousePressEvent(QGraphicsSceneMouseEvent *event). ,void Square::mousePressEvent(QGraphicsSceneMouseEvent *event) Pressed = true; update(); QGraphicsItem::mousePressEvent(event);. }. , 下面,一起来看看QGraphicsScene 对QGraphicsItem 的管理,主要包括: ..... 但是只能鼠标左键拖动,我想改为右键或中键,在其mousePressEvent ..., 而要寫出一個這樣的類別呢,除了要繼承QGraphicsItem 之外,還必須要 .... 來賦予它更多的功能;例如mousePressEvent()、mouseReleaseEvent() ...

相關軟體 Qt Programming Language 資訊

Qt Programming Language
Qt 是創造創新設備,現代用戶界面和應用程序的更快,更智能的方式。應用程序的多個屏幕。使用 Qt 應用程序開發創建在任何屏幕和任何平台上運行的強大的應用程序和 UI。選擇版本:Qt 5.10.0(32 位)Qt 5.8.0(64 位) Qt Programming Language 軟體介紹

qgraphicsitem mousepressevent 相關參考資料
Can I get mouse events in a QGraphicsItem? - Stack Overflow

CustomView::mousePressEvent(QMouseEvent *event) // handle the event as you like .... QGraphicsItem::mousePressEvent(event); event->accept(); } } else ...

https://stackoverflow.com

Custom QGraphicsItem mousePressEvent for single click works only ...

Hi all, I have the following mousePressEvent, it's works fine but only when double clicking the mouse, I want it to work only when single click on ...

https://forum.qt.io

MousePressEvent in view and items in Qt - Stack Overflow

QGraphicsView isn't really a good place to handle scene-specific events. Instead, you'll need to override QGraphicsScene::mousePressEvent. I would ...

https://stackoverflow.com

QGraphicsItem Class | Qt 4.8 - Qt Documentation

QPolygonF, mapFromItem(const QGraphicsItem * item, const QRectF & rect) const .... virtual void, mousePressEvent(QGraphicsSceneMouseEvent * event).

https://doc.qt.io

QGraphicsItem Class | Qt Widgets 5.12 - Qt Documentation

The QGraphicsItem class is the base class for all graphical items in a QGraphicsScene. .... virtual void, mousePressEvent(QGraphicsSceneMouseEvent *event).

http://doc.qt.io

QGraphicsItem Class | Qt Widgets 5.13.0 - Qt Documentation

The QGraphicsItem class is the base class for all graphical items in a QGraphicsScene. .... virtual void, mousePressEvent(QGraphicsSceneMouseEvent *event).

https://doc.qt.io

QGraphicsItem Class | Qt Widgets 5.8 - Qt Documentation

The QGraphicsItem class is the base class for all graphical items in a QGraphicsScene. .... virtual void, mousePressEvent(QGraphicsSceneMouseEvent *event).

https://doc.qt.io

QGraphicsItem mouse Press event return | Qt Forum

void Square::mousePressEvent(QGraphicsSceneMouseEvent *event) Pressed = true; update(); QGraphicsItem::mousePressEvent(event);. }.

https://forum.qt.io

QGraphicsScene 管理QGraphicsItem(单击选择移动缩放删除) - 本 ...

下面,一起来看看QGraphicsScene 对QGraphicsItem 的管理,主要包括: ..... 但是只能鼠标左键拖动,我想改为右键或中键,在其mousePressEvent ...

https://blog.csdn.net

建立自己的QGraphicsItem – Heresy's Space

而要寫出一個這樣的類別呢,除了要繼承QGraphicsItem 之外,還必須要 .... 來賦予它更多的功能;例如mousePressEvent()、mouseReleaseEvent() ...

https://kheresy.wordpress.com