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Element editor : Improve responsiveness when several shapes are selected.

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This commit is contained in:
joshua
2022-08-13 12:40:59 +02:00
parent af5d5e0aa3
commit eee1c7fff7
13 changed files with 43 additions and 197 deletions
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34
sources/editor/graphicspart/partellipse.cpp
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@@ -179,32 +179,12 @@ void PartEllipse::mouseReleaseEvent(QGraphicsSceneMouseEvent *event)
*/
QVariant PartEllipse::itemChange(QGraphicsItem::GraphicsItemChange change, const QVariant &value)
{
if (change == ItemSelectedHasChanged && scene())
{
if (value.toBool() == true)
{
//When item is selected, he must to be up to date whene the selection in the scene change, for display or not the handler,
//according to the number of selected items.
connect(scene(), &QGraphicsScene::selectionChanged, this, &PartEllipse::sceneSelectionChanged);
if (scene()->selectedItems().size() == 1)
addHandler();
}
else
{
disconnect(scene(), &QGraphicsScene::selectionChanged, this, &PartEllipse::sceneSelectionChanged);
removeHandler();
}
}
else if (change == ItemPositionHasChanged)
if (change == ItemPositionHasChanged)
{
adjusteHandlerPos();
}
else if (change == ItemSceneChange)
{
if(scene())
disconnect(scene(), &QGraphicsScene::selectionChanged, this, &PartEllipse::sceneSelectionChanged);
setSelected(false); //This item is removed from scene, then we deselect this, and so, the handlers is also removed.
}
@@ -339,18 +319,6 @@ void PartEllipse::handlerMouseReleaseEvent(QetGraphicsHandlerItem *qghi, QGraphi
m_vector_index = -1;
}
/**
@brief PartEllipse::sceneSelectionChanged
When the scene selection change, if there are several primitive selected, we remove the handler of this item
*/
void PartEllipse::sceneSelectionChanged()
{
if (this->isSelected() && scene()->selectedItems().size() == 1)
addHandler();
else
removeHandler();
}
/**
@brief PartEllipse::addHandler
Add handlers for this item