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Snap duration bar handles movement

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When dragging a timeline's duration bar start, end, or center handle
while shift is down, snap the movement.

Task-number: QDS-1068
Change-Id: I713e27167ce358ba3e1e468b779363dd9f17b2ae
Reviewed-by: Miikka Heikkinen <miikka.heikkinen@qt.io>
Reviewed-by: Thomas Hartmann <thomas.hartmann@qt.io>
This commit is contained in:
Mahmoud Badri
2019-10-10 13:04:34 +03:00
parent 4d7c644268
commit ed97d73da8
1 changed files with 18 additions and 3 deletions
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21
src/plugins/qmldesigner/components/timelineeditor/timelinesectionitem.cpp
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@@ -987,7 +987,12 @@ void TimelineBarItem::dragInit(const QRectF &rect, const QPointF &pos)
void TimelineBarItem::dragCenter(QRectF rect, const QPointF &pos, qreal min, qreal max)
{
if (validateBounds(pos.x() - rect.topLeft().x())) {
rect.moveLeft(pos.x() - m_pivot);
qreal targetX = pos.x() - m_pivot;
if (QApplication::keyboardModifiers() & Qt::ShiftModifier) { // snapping
qreal snappedTargetFrame = timelineScene()->snap(mapFromSceneToFrame(targetX));
targetX = mapFromFrameToScene(snappedTargetFrame);
}
rect.moveLeft(targetX);
if (rect.topLeft().x() < min) {
rect.moveLeft(min);
setOutOfBounds(Location::Left);
@@ -1006,7 +1011,12 @@ void TimelineBarItem::dragHandle(QRectF rect, const QPointF &pos, qreal min, qre
if (isActiveHandle(Location::Left)) {
if (validateBounds(pos.x() - left.topLeft().x())) {
rect.setLeft(pos.x() - m_pivot);
qreal targetX = pos.x() - m_pivot;
if (QApplication::keyboardModifiers() & Qt::ShiftModifier) { // snapping
qreal snappedTargetFrame = timelineScene()->snap(mapFromSceneToFrame(targetX));
targetX = mapFromFrameToScene(snappedTargetFrame);
}
rect.setLeft(targetX);
if (rect.left() < min) {
rect.setLeft(min);
setOutOfBounds(Location::Left);
@@ -1017,7 +1027,12 @@ void TimelineBarItem::dragHandle(QRectF rect, const QPointF &pos, qreal min, qre
}
} else if (isActiveHandle(Location::Right)) {
if (validateBounds(pos.x() - right.topRight().x())) {
rect.setRight(pos.x() - m_pivot);
qreal targetX = pos.x() - m_pivot;
if (QApplication::keyboardModifiers() & Qt::ShiftModifier) { // snapping
qreal snappedTargetFrame = timelineScene()->snap(mapFromSceneToFrame(targetX));
targetX = mapFromFrameToScene(snappedTargetFrame);
}
rect.setRight(targetX);
if (rect.right() > max) {
rect.setRight(max);
setOutOfBounds(Location::Right);