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Element text item group : add new property -> hold to bottom of the page

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git-svn-id: svn+ssh://svn.tuxfamily.org/svnroot/qet/qet/trunk@5224 bfdf4180-ca20-0410-9c96-a3a8aa849046
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blacksun
2018-02-01 18:40:12 +00:00
parent 8e74d88e65
commit 70fbce280f
8 changed files with 356 additions and 93 deletions
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34
sources/qetgraphicsitem/qgraphicsitemutility.cpp
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@@ -49,28 +49,38 @@ bool centerToParentBottom(QGraphicsItem *item) {
* @param offset
* @return true if element is centered else false (element_to_follow have not diagram)
*/
bool centerToBottomDiagram (QGraphicsItem *item_to_center, Element *element_to_follow, int offset) {
#include "elementtextitemgroup.h"
#include "crossrefitem.h"
bool centerToBottomDiagram (QGraphicsItem *item_to_center, Element *element_to_follow, qreal offset) {
if (! element_to_follow -> diagram()) {
qDebug() << "qgraphicsitemutility centerAtBottomDiagram : Element_to_follow have not diagram";
return false;
}
QRectF border = element_to_follow -> diagram() -> border_and_titleblock.insideBorderRect();
QPointF point = element_to_follow -> sceneBoundingRect().center();
point.setY(border.bottom() - item_to_center -> boundingRect().height() - offset );
point.rx() -= (item_to_center -> boundingRect().width()/2 +
item_to_center -> boundingRect().left()); //< we add boundingrect.left because this value can be négative
point.rx() -= (item_to_center -> boundingRect().width()/2);
//Apply the difference between the pos() of item and his bounding rect
QPointF tl = item_to_center->boundingRect().topLeft();
point.rx() -= tl.x();
point.ry() -= tl.y();
item_to_center -> setPos(0,0); //Due to a weird behavior or bug, before set the new position and rotation,
item_to_center -> setRotation(0); //we must to set the position and rotation at 0.
item_to_center -> setPos(item_to_center -> mapFromScene(point));
if (item_to_center -> rotation() != - element_to_follow -> rotation()) {
item_to_center -> setRotation(0);
item_to_center -> setRotation(- element_to_follow -> rotation());
item_to_center->setPos(item_to_center->mapFromScene(point));
qreal rot = item_to_center->rotation();
QGraphicsItem *parent = item_to_center->parentItem();
while (parent) {
rot += parent->rotation();
parent = parent->parentItem();
}
if(rot != 0)
item_to_center->setRotation(item_to_center->rotation() - rot);
return true;
}