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popup in the correct place when viewFor is hidden

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when item is in an hidden Dialog, try to find the parent applet and position the popup there.
this fixes the devicenotifier popup placement
BUG:253858
BUG:234564
This commit is contained in:
Marco Martin 2011-04-20 18:07:06 +02:00
parent 00714cc198
commit 96d0f935c2
1 changed files with 32 additions and 12 deletions
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44
corona.cpp
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@ -461,14 +461,34 @@ QPoint Corona::popupPosition(const QGraphicsItem *item, const QSize &s, Qt::Alig
// TODO: merge both methods (also these in Applet) into one (with optional alignment) when we can break compatibility
// TODO: add support for more flags in the future?
const QGraphicsItem *actualItem = item;
const QGraphicsView *v = viewFor(item);
if (!v) {
return QPoint(0, 0);
}
//its own view could be hidden, for instance if item is in an hidden Dialog
//try to position it using the parent applet as the item
if (!v->isVisible()) {
actualItem = item->parentItem();
if (!actualItem) {
const QGraphicsWidget *widget = qgraphicsitem_cast<const QGraphicsWidget*>(item);
if (widget) {
actualItem = qobject_cast<QGraphicsItem*>(widget->parent());
}
}
kDebug() << actualItem;
if (!v->isVisible() && actualItem) {
v = viewFor(actualItem);
}
}
QPoint pos;
QTransform sceneTransform = item->sceneTransform();
QTransform sceneTransform = actualItem->sceneTransform();
//swap direction if necessary
if (QApplication::isRightToLeft() && alignment != Qt::AlignCenter) {
@ -483,18 +503,18 @@ QPoint Corona::popupPosition(const QGraphicsItem *item, const QSize &s, Qt::Alig
if (sceneTransform.isRotating()) {
qreal angle = acos(sceneTransform.m11());
QTransform newTransform;
QPointF center = item->sceneBoundingRect().center();
QPointF center = actualItem->sceneBoundingRect().center();
newTransform.translate(center.x(), center.y());
newTransform.rotateRadians(-angle);
newTransform.translate(-center.x(), -center.y());
pos = v->mapFromScene(newTransform.inverted().map(item->scenePos()));
pos = v->mapFromScene(newTransform.inverted().map(actualItem->scenePos()));
} else {
pos = v->mapFromScene(item->scenePos());
pos = v->mapFromScene(actualItem->scenePos());
}
pos = v->mapToGlobal(pos);
//kDebug() << "==> position is" << item->scenePos() << v->mapFromScene(item->scenePos()) << pos;
//kDebug() << "==> position is" << actualItem->scenePos() << v->mapFromScene(actualItem->scenePos()) << pos;
const Plasma::View *pv = dynamic_cast<const Plasma::View *>(v);
Plasma::Location loc = Floating;
@ -506,9 +526,9 @@ QPoint Corona::popupPosition(const QGraphicsItem *item, const QSize &s, Qt::Alig
case BottomEdge:
case TopEdge: {
if (alignment == Qt::AlignCenter) {
pos.setX(pos.x() + item->boundingRect().width()/2 - s.width()/2);
pos.setX(pos.x() + actualItem->boundingRect().width()/2 - s.width()/2);
} else if (alignment == Qt::AlignRight) {
pos.setX(pos.x() + item->boundingRect().width() - s.width());
pos.setX(pos.x() + actualItem->boundingRect().width() - s.width());
}
if (pos.x() + s.width() > v->geometry().right()) {
@ -521,9 +541,9 @@ QPoint Corona::popupPosition(const QGraphicsItem *item, const QSize &s, Qt::Alig
case LeftEdge:
case RightEdge: {
if (alignment == Qt::AlignCenter) {
pos.setY(pos.y() + item->boundingRect().height()/2 - s.height()/2);
pos.setY(pos.y() + actualItem->boundingRect().height()/2 - s.height()/2);
} else if (alignment == Qt::AlignRight) {
pos.setY(pos.y() + item->boundingRect().height() - s.height());
pos.setY(pos.y() + actualItem->boundingRect().height() - s.height());
}
if (pos.y() + s.height() > v->geometry().bottom()) {
@ -535,9 +555,9 @@ QPoint Corona::popupPosition(const QGraphicsItem *item, const QSize &s, Qt::Alig
}
default:
if (alignment == Qt::AlignCenter) {
pos.setX(pos.x() + item->boundingRect().width()/2 - s.width()/2);
pos.setX(pos.x() + actualItem->boundingRect().width()/2 - s.width()/2);
} else if (alignment == Qt::AlignRight) {
pos.setX(pos.x() + item->boundingRect().width() - s.width());
pos.setX(pos.x() + actualItem->boundingRect().width() - s.width());
}
break;
}
@ -559,7 +579,7 @@ QPoint Corona::popupPosition(const QGraphicsItem *item, const QSize &s, Qt::Alig
if (pos.y() - s.height() > 0) {
pos.ry() = pos.y() - s.height();
} else {
pos.ry() = pos.y() + (int)item->boundingRect().size().height() + 1;
pos.ry() = pos.y() + (int)actualItem->boundingRect().size().height() + 1;
}
}