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scroll horizontally when the scroll is vertical and there was no space to scroll vertically

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and vice versa for horizontal scroll

svn path=/trunk/KDE/kdelibs/; revision=1106404
This commit is contained in:
Marco Martin 2010-03-22 18:36:57 +00:00
parent a0fe64f519
commit 07ad834e81
1 changed files with 19 additions and 6 deletions
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25
widgets/scrollwidget.cpp
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@ -644,7 +644,6 @@ public:
QPointF start = widget.data()->pos(); QPointF start = widget.data()->pos();
QPointF end = start; QPointF end = start;
qreal step = event->delta()/3;
//At some point we should switch to //At some point we should switch to
// step = QApplication::wheelScrollLines() * // step = QApplication::wheelScrollLines() *
@ -654,12 +653,26 @@ public:
// is that at this point we don't have any clue what a "line" is and if // is that at this point we don't have any clue what a "line" is and if
// we make it a pixel then scrolling by 3 (default) pixels will be // we make it a pixel then scrolling by 3 (default) pixels will be
// very painful // very painful
if(event->orientation() == Qt::Vertical) { qreal step = event->delta()/3;
end += QPointF(0, step);
} else if (event->orientation() == Qt::Horizontal) { //ifthe widget can scroll in a single axis and the wheel is the other one, scroll the other one
end += QPointF(step, 0); Qt::Orientation orientation = event->orientation();
if (orientation == Qt::Vertical) {
if (!canYFlick() && canXFlick()) {
end += QPointF(step, 0);
} else if (canYFlick()) {
end += QPointF(0, step);
} else {
return;
}
} else { } else {
return; if (canYFlick() && !canXFlick()) {
end += QPointF(0, step);
} else if (canXFlick()) {
end += QPointF(step, 0);
} else {
return;
}
} }
directMoveAnimation->setStartValue(start); directMoveAnimation->setStartValue(start);