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snap with real center

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svn path=/trunk/KDE/kdelibs/; revision=1118457
This commit is contained in:
Marco Martin 2010-04-24 19:49:41 +00:00
parent 9c0e6c20fd
commit e394574587
1 changed files with 24 additions and 23 deletions
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47
private/internaltoolbox.cpp
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@ -304,34 +304,35 @@ void InternalToolBox::mouseMoveEvent(QGraphicsSceneMouseEvent *event)
int distanceToTop = newPos.y() - d->dragStartRelative.y();
int distanceToBottom = areaHeight - h - distanceToTop;
int distancetoHorizontalMiddle = qAbs(newPos.x() - areaWidth/2);
int distancetoVerticalMiddle = qAbs(newPos.y() - areaHeight/2);
// decide which border is the nearest
if (distanceToLeft < distanceToTop && distanceToLeft < distanceToRight &&
distanceToLeft < distanceToBottom ) {
x = 0;
y = (newPos.y() - d->dragStartRelative.y());
} else if (distanceToRight < distanceToTop && distanceToRight < distanceToLeft &&
distanceToRight < distanceToBottom) {
x = areaWidth - w;
y = (newPos.y() - d->dragStartRelative.y());
} else if (distanceToTop < distanceToLeft && distanceToTop < distanceToRight &&
distanceToTop < distanceToBottom ) {
y = 0;
x = (newPos.x() - d->dragStartRelative.x());
} else if (distanceToBottom < distanceToLeft && distanceToBottom < distanceToRight &&
distanceToBottom < distanceToTop) {
y = areaHeight - h;
x = (newPos.x() - d->dragStartRelative.x());
}
int distancetoHorizontalMiddle = qAbs((newPos.x() + boundingRect().size().width()/2) - areaWidth/2 - d->dragStartRelative.x());
int distancetoVerticalMiddle = qAbs((newPos.y() + boundingRect().size().height()/2) - areaHeight/2 - d->dragStartRelative.y());
if (distancetoHorizontalMiddle < 10) {
x = areaWidth/2 - d->dragStartRelative.x();
x = areaWidth/2 - boundingRect().size().width()/2;
} else if (distancetoVerticalMiddle < 10) {
y = areaHeight/2 - d->dragStartRelative.y();
y = areaHeight/2 - boundingRect().size().height()/2;
} else {
// decide which border is the nearest
if (distanceToLeft < distanceToTop && distanceToLeft < distanceToRight &&
distanceToLeft < distanceToBottom ) {
x = 0;
y = (newPos.y() - d->dragStartRelative.y());
} else if (distanceToRight < distanceToTop && distanceToRight < distanceToLeft &&
distanceToRight < distanceToBottom) {
x = areaWidth - w;
y = (newPos.y() - d->dragStartRelative.y());
} else if (distanceToTop < distanceToLeft && distanceToTop < distanceToRight &&
distanceToTop < distanceToBottom ) {
y = 0;
x = (newPos.x() - d->dragStartRelative.x());
} else if (distanceToBottom < distanceToLeft && distanceToBottom < distanceToRight &&
distanceToBottom < distanceToTop) {
y = areaHeight - h;
x = (newPos.x() - d->dragStartRelative.x());
}
}
x = qBound(0, x, areaWidth - w);
y = qBound(0, y, areaHeight - h);