}
}
-//virtual
void GraphicsSceneRectMove::keyPressEvent(QKeyEvent * keyEvent)
{
if (m_selectedItem == NULL) {
emit actionFinished();
}
-//virtual
void GraphicsSceneRectMove::mouseDoubleClickEvent(QGraphicsSceneMouseEvent* e)
{
QPointF p = e->scenePos();
p += QPoint(-2, -2);
m_resizeMode = NoResize;
m_selectedItem = NULL;
- QGraphicsItem* g = items(QRectF(p , QSizeF(4, 4)).toRect()).at(0);
+
+ // http://www.kdenlive.org/mantis/view.php?id=1035
+ QList<QGraphicsItem*> i = items(QRectF(p , QSizeF(4, 4)).toRect());
+ if (i.size() <= 0) return;
+
+ QGraphicsItem* g = i.at(0);
if (g) {
if (g->type() == 8) {
QGraphicsTextItem *t = static_cast<QGraphicsTextItem *>(g);
r = m_selectedItem->boundingRect();
/*
* The vertices of the rectangle (check for matrix
- * transformation); i hope there is a shorter way to do this
+ * transformation); to be replaced by QTransform::map()?
*/
QPointF itemOrigin = item->scenePos();
QTransform transform = item->transform();
QGraphicsLineItem borderLeft(bottomLeft.x(), bottomLeft.y(), topLeft.x(), topLeft.y());
// The area interested by the mouse pointer
QPainterPath mouseArea;
- mouseArea.addRect(e->scenePos().toPoint().x() - 3 / m_zoom, e->scenePos().toPoint().y() - 3 / m_zoom, 6 / m_zoom, 6 / m_zoom);
+ mouseArea.addRect(e->scenePos().toPoint().x() - 4 / m_zoom, e->scenePos().toPoint().y() - 4 / m_zoom, 8 / m_zoom, 8 / m_zoom);
// Check for collisions between the mouse and the borders
if (borderLeft.collidesWithPath(mouseArea) && borderTop.collidesWithPath(mouseArea))
m_resizeMode = TopLeft;
clearSelection();
}
-//virtual
void GraphicsSceneRectMove::mouseMoveEvent(QGraphicsSceneMouseEvent* e)
{
if ((e->screenPos() - m_clickPoint).manhattanLength() < QApplication::startDragDistance()) {
QPointF newpoint = e->scenePos();
/*
* The vertices of the rectangle (check for matrix
- * transformation); i hope there is a shorter way to do this
+ * transformation); to be replaced by QTransform::map()?
*/
QPointF itemOrigin = m_selectedItem->scenePos();
QTransform transform = m_selectedItem->transform();
* determinant (it must be less than zero because the Y axis is
* inverted)
*/
- int determinant;
+ int determinantH, determinantV;
switch (m_resizeMode) {
- case TopLeft:
- determinant = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x());
- if (determinant < 0) {
- determinant = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x());
- if (determinant < 0) {
- // resizePoint is not working for some reason
- newrect.setBottomRight(QPointF(newrect.width() - (transform.inverted().m11() * resizePoint.x() + transform.inverted().m21() * resizePoint.y() + transform.inverted().m31()), newrect.bottom() - (transform.inverted().m22() * resizePoint.y() + transform.inverted().m12() * resizePoint.x() + transform.inverted().m32())));
- m_selectedItem->setPos(resizePoint + itemOrigin);
- }
- }
- break;
- case BottomLeft:
- determinant = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x());
- if (determinant < 0) {
- determinant = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x());
- if (determinant < 0) {
- newrect.setBottomRight(QPointF(newrect.width() - resizePoint.x(), resizePoint.y()));
- m_selectedItem->setPos(QPointF(transform.m11() * resizePoint.x() + transform.m21() * (newrect.bottom() - resizePoint.y()) + transform.m31() + itemOrigin.x(), transform.m22() * (newrect.bottom() - resizePoint.y()) + transform.m12() * resizePoint.x() + transform.m32() + itemOrigin.y()));
- }
- }
- break;
- case TopRight:
- determinant = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x());
- if (determinant < 0) {
- determinant = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x());
- if (determinant < 0) {
- newrect.setBottomRight(QPointF(resizePoint.x(), newrect.bottom() - resizePoint.y()));
- m_selectedItem->setPos(QPointF(transform.m11() * (newrect.width() - resizePoint.x()) + transform.m21() * resizePoint.y() + transform.m31() + itemOrigin.x(), transform.m22() * resizePoint.y() + transform.m12() * (newrect.width() - resizePoint.x()) + transform.m32() + itemOrigin.y()));
- }
- }
- break;
- case BottomRight:
- determinant = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x());
- if (determinant < 0) {
- determinant = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x());
- if (determinant < 0)
- newrect.setBottomRight(resizePoint);
- }
- break;
- case Left:
- determinant = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x());
- if (determinant < 0) {
- newrect.setRight(newrect.width() - resizePoint.x());
- m_selectedItem->setPos(QPointF(transform.m11() * resizePoint.x() + transform.m31() + itemOrigin.x(), transform.m12() * resizePoint.x() + transform.m32() + itemOrigin.y()));
- }
- break;
- case Right:
- determinant = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x());
- if (determinant < 0)
- newrect.setRight(resizePoint.x());
- break;
- case Up:
- determinant = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x());
- if (determinant < 0) {
- newrect.setBottom(newrect.bottom() - resizePoint.y());
- m_selectedItem->setPos(QPointF(transform.m21() * resizePoint.y() + transform.m31() + itemOrigin.x(), transform.m22() * resizePoint.y() + transform.m32() + itemOrigin.y()));
- }
- break;
- case Down:
- determinant = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x());
- if (determinant < 0)
- newrect.setBottom(resizePoint.y());
- break;
- default:
- QPointF diff = e->scenePos() - m_sceneClickPoint;
- m_sceneClickPoint = e->scenePos();
- m_selectedItem->moveBy(diff.x(), diff.y());
- break;
+ case TopLeft:
+ determinantV = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x());
+ determinantH = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x());
+ if (determinantV < 0) {
+ if (determinantH < 0) {
+ // resizePoint is not working for some reason
+ newrect.setBottomRight(QPointF(newrect.width() - (transform.inverted().m11() * resizePoint.x() + transform.inverted().m21() * resizePoint.y() + transform.inverted().m31()), newrect.bottom() - (transform.inverted().m22() * resizePoint.y() + transform.inverted().m12() * resizePoint.x() + transform.inverted().m32())));
+ m_selectedItem->setPos(resizePoint + itemOrigin);
+ } else
+ m_resizeMode = BottomLeft;
+ } else {
+ if (determinantH < 0)
+ m_resizeMode = TopRight;
+ else
+ m_resizeMode = BottomRight;
+ }
+ break;
+ case BottomLeft:
+ determinantV = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x());
+ determinantH = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x());
+ if (determinantV < 0) {
+ if (determinantH < 0) {
+ newrect.setBottomRight(QPointF(newrect.width() - resizePoint.x(), resizePoint.y()));
+ m_selectedItem->setPos(QPointF(transform.m11() * resizePoint.x() + transform.m21() *(newrect.bottom() - resizePoint.y()) + transform.m31() + itemOrigin.x(), transform.m22() *(newrect.bottom() - resizePoint.y()) + transform.m12() * resizePoint.x() + transform.m32() + itemOrigin.y()));
+ } else
+ m_resizeMode = TopLeft;
+ } else {
+ if (determinantH < 0)
+ m_resizeMode = BottomRight;
+ else
+ m_resizeMode = TopRight;
+ }
+ break;
+ case TopRight:
+ determinantV = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x());
+ determinantH = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x());
+ if (determinantV < 0) {
+ if (determinantH < 0) {
+ newrect.setBottomRight(QPointF(resizePoint.x(), newrect.bottom() - resizePoint.y()));
+ m_selectedItem->setPos(QPointF(transform.m11() *(newrect.width() - resizePoint.x()) + transform.m21() * resizePoint.y() + transform.m31() + itemOrigin.x(), transform.m22() * resizePoint.y() + transform.m12() *(newrect.width() - resizePoint.x()) + transform.m32() + itemOrigin.y()));
+ } else
+ m_resizeMode = BottomRight;
+ } else {
+ if (determinantH < 0)
+ m_resizeMode = TopLeft;
+ else
+ m_resizeMode = BottomLeft;
+ }
+ break;
+ case BottomRight:
+ determinantV = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x());
+ determinantH = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x());
+ if (determinantV < 0) {
+ if (determinantH < 0)
+ newrect.setBottomRight(resizePoint);
+ else
+ m_resizeMode = TopRight;
+ } else {
+ if (determinantH < 0)
+ m_resizeMode = BottomLeft;
+ else
+ m_resizeMode = TopLeft;
+ }
+ break;
+ case Left:
+ determinantV = (bottomRight.x() - newpoint.x()) * (topRight.y() - newpoint.y()) - (bottomRight.y() - newpoint.y()) * (topRight.x() - newpoint.x());
+ if (determinantV < 0) {
+ newrect.setRight(newrect.width() - resizePoint.x());
+ m_selectedItem->setPos(QPointF(transform.m11() * resizePoint.x() + transform.m31() + itemOrigin.x(), transform.m12() * resizePoint.x() + transform.m32() + itemOrigin.y()));
+ } else
+ m_resizeMode = Right;
+ break;
+ case Right:
+ determinantV = (topLeft.x() - newpoint.x()) * (bottomLeft.y() - newpoint.y()) - (topLeft.y() - newpoint.y()) * (bottomLeft.x() - newpoint.x());
+ if (determinantV < 0)
+ newrect.setRight(resizePoint.x());
+ else
+ m_resizeMode = Left;
+ break;
+ case Up:
+ determinantH = (bottomLeft.x() - newpoint.x()) * (bottomRight.y() - newpoint.y()) - (bottomLeft.y() - newpoint.y()) * (bottomRight.x() - newpoint.x());
+ if (determinantH < 0) {
+ newrect.setBottom(newrect.bottom() - resizePoint.y());
+ m_selectedItem->setPos(QPointF(transform.m21() * resizePoint.y() + transform.m31() + itemOrigin.x(), transform.m22() * resizePoint.y() + transform.m32() + itemOrigin.y()));
+ } else
+ m_resizeMode = Down;
+ break;
+ case Down:
+ determinantH = (topRight.x() - newpoint.x()) * (topLeft.y() - newpoint.y()) - (topRight.y() - newpoint.y()) * (topLeft.x() - newpoint.x());
+ if (determinantH < 0)
+ newrect.setBottom(resizePoint.y());
+ else
+ m_resizeMode = Up;
+ break;
+ default:
+ QPointF diff = e->scenePos() - m_sceneClickPoint;
+ m_sceneClickPoint = e->scenePos();
+ m_selectedItem->moveBy(diff.x(), diff.y());
+ break;
}
if (m_selectedItem->type() == 3 && m_resizeMode != NoResize) {
QGraphicsRectItem *gi = (QGraphicsRectItem*)m_selectedItem;
itemFound = true;
/*
* The vertices of the rectangle (check for matrix
- * transformation); i hope there is a shorter way to do this
+ * transformation); to be replaced by QTransform::map()?
*/
QPointF itemOrigin = g->scenePos();
QTransform transform = g->transform();
QGraphicsLineItem borderLeft(bottomLeft.x(), bottomLeft.y(), topLeft.x(), topLeft.y());
// The area interested by the mouse pointer
QPainterPath mouseArea;
- mouseArea.addRect(e->scenePos().toPoint().x() - 3 / m_zoom, e->scenePos().toPoint().y() - 3 / m_zoom, 6 / m_zoom, 6 / m_zoom);
+ mouseArea.addRect(e->scenePos().toPoint().x() - 4 / m_zoom, e->scenePos().toPoint().y() - 4 / m_zoom, 8 / m_zoom, 8 / m_zoom);
// Check for collisions between the mouse and the borders
- if (borderLeft.collidesWithPath(mouseArea) && borderTop.collidesWithPath(mouseArea))
- setCursor(QCursor(Qt::SizeFDiagCursor));
- else if (borderLeft.collidesWithPath(mouseArea) && borderBottom.collidesWithPath(mouseArea))
- setCursor(QCursor(Qt::SizeBDiagCursor));
- else if (borderRight.collidesWithPath(mouseArea) && borderTop.collidesWithPath(mouseArea))
- setCursor(QCursor(Qt::SizeBDiagCursor));
- else if (borderRight.collidesWithPath(mouseArea) && borderBottom.collidesWithPath(mouseArea))
- setCursor(QCursor(Qt::SizeFDiagCursor));
- else if (borderLeft.collidesWithPath(mouseArea))
- setCursor(Qt::SizeHorCursor);
- else if (borderRight.collidesWithPath(mouseArea))
- setCursor(Qt::SizeHorCursor);
- else if (borderTop.collidesWithPath(mouseArea))
- setCursor(Qt::SizeVerCursor);
- else if (borderBottom.collidesWithPath(mouseArea))
- setCursor(Qt::SizeVerCursor);
+ if ((borderLeft.collidesWithPath(mouseArea) && borderTop.collidesWithPath(mouseArea)) || (borderRight.collidesWithPath(mouseArea) && borderBottom.collidesWithPath(mouseArea)))
+ setResizeCursor(borderLeft.line().angle() - 45);
+ else if ((borderLeft.collidesWithPath(mouseArea) && borderBottom.collidesWithPath(mouseArea)) || (borderRight.collidesWithPath(mouseArea) && borderTop.collidesWithPath(mouseArea)))
+ setResizeCursor(borderLeft.line().angle() + 45);
+ else if (borderLeft.collidesWithPath(mouseArea) || borderRight.collidesWithPath(mouseArea))
+ setResizeCursor(borderLeft.line().angle());
+ else if (borderTop.collidesWithPath(mouseArea) || borderBottom.collidesWithPath(mouseArea))
+ setResizeCursor(borderTop.line().angle());
else
setCursor(Qt::OpenHandCursor);
break;
v->setCursor(c);
}
}
+
+void GraphicsSceneRectMove::setResizeCursor(qreal angle)
+{
+ // % is not working...
+ while (angle < 0)
+ angle += 180;
+ while (angle >= 180)
+ angle -= 180;
+ if (angle > 157.5 || angle <= 22.5)
+ setCursor(Qt::SizeVerCursor);
+ else if (angle > 22.5 && angle <= 67.5)
+ setCursor(Qt::SizeFDiagCursor);
+ else if (angle > 67.5 && angle <= 112.5)
+ setCursor(Qt::SizeHorCursor);
+ else if (angle > 112.5 && angle <= 157.5)
+ setCursor(Qt::SizeBDiagCursor);
+}