QGraphicsItemGroup after removall not able to add new

Asked Apr 02 '15 at 10:53

Active Apr 02 '15 at 10:59

Viewed 54 times

I am attaching scene_ on QGraphicsView

QGraphicsItem* scene_ = new QGraphicsScene(this);
setScene(scene_);

on scene I am adding 2 things

QGraphicsItem* prev_pixmap_item_ = scene_->addPixmap(pm);
scene_->addItem(prev_pixmap_item_);    
prev_pixmap_item_->setZValue (0);

QGraphicsItemGroup *roiToolGraphicsItem = new  QGraphicsItemGroup();
scene_->addItem(roiToolGraphicsItem);
roiToolGraphicsItem->setZValue(1);

I am able to add QGraphicsItem on scene ..

but when I remove once using this cmd .. after that I am not able to redraw

scene_->removeItem(roiToolGraphicsItem);

Please can someone help/

Second I need help .. I need mouse event on QGraphicsItem .. mouse Selected Qgraphicsitem I can able to identify so that I can take some action on that

Your help will be highly appreciated

edited Apr 02 '15 at 10:59

TheDarkKnight

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asked Apr 02 '15 at 10:53

Dhirendra Kumar

What means "I am not able to redraw"? Describe your problem more specifically. – Pavel Strakhov Apr 02 '15 at 15:17
Once running this cmd scene_->removeItem(roiToolGraphicsItem); if I do view_->DrawRectangle(rect, color); I am not able to draw again .. – Dhirendra Kumar Apr 03 '15 at 06:00
Great. Now show the code of `DrawRectangle`. – Pavel Strakhov Apr 04 '15 at 13:36

QGraphicsItemGroup after removall not able to add new

0 Answers0