X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fabstractgroupitem.cpp;h=40923afafe1276fdad0850ebb838ab65e89cf706;hb=7ba3c22ce1c353cacc6b1f8f0d5501b16519f0f8;hp=817db9739b1ccf54edfdc5c15a14d0112cdc15a4;hpb=a28acc6947691dca02f1ea7b7ea1d4d3679fc6f5;p=kdenlive

diff --git a/src/abstractgroupitem.cpp b/src/abstractgroupitem.cpp
index 817db973..40923afa 100644
--- a/src/abstractgroupitem.cpp
+++ b/src/abstractgroupitem.cpp
@@ -38,7 +38,11 @@ AbstractGroupItem::AbstractGroupItem(double /* fps */) :
 {
     setZValue(1);
     setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
+#if QT_VERSION >= 0x040600
+    setFlag(QGraphicsItem::ItemSendsGeometryChanges, true);
+#endif
     setAcceptDrops(true);
+    m_resizeInfos = QList <ItemInfo>();
 }
 
 int AbstractGroupItem::type() const
@@ -51,21 +55,57 @@ int AbstractGroupItem::track() const
     return (int)(scenePos().y() / KdenliveSettings::trackheight());
 }
 
+void AbstractGroupItem::setItemLocked(bool locked)
+{
+    if (locked)
+        setSelected(false);
+
+    setFlag(QGraphicsItem::ItemIsMovable, !locked);
+    setFlag(QGraphicsItem::ItemIsSelectable, !locked);
+
+    foreach (QGraphicsItem *child, childItems())
+        ((AbstractClipItem *)child)->setItemLocked(locked);
+}
+
+bool AbstractGroupItem::isItemLocked() const
+{
+    return !(flags() & (QGraphicsItem::ItemIsSelectable));
+}
+
 CustomTrackScene* AbstractGroupItem::projectScene()
 {
     if (scene()) return static_cast <CustomTrackScene*>(scene());
     return NULL;
 }
 
-QPainterPath AbstractGroupItem::groupShape(QPointF offset)
+QPainterPath AbstractGroupItem::clipGroupShape(QPointF offset) const
+{
+    return groupShape(AVWIDGET, offset);
+}
+
+QPainterPath AbstractGroupItem::transitionGroupShape(QPointF offset) const
+{
+    return groupShape(TRANSITIONWIDGET, offset);
+}
+
+QPainterPath AbstractGroupItem::groupShape(GRAPHICSRECTITEM type, QPointF offset) const
 {
     QPainterPath path;
     QList<QGraphicsItem *> children = childItems();
     for (int i = 0; i < children.count(); i++) {
-        if (children.at(i)->type() == AVWIDGET) {
+        if (children.at(i)->type() == (int)type) {
             QRectF r(children.at(i)->sceneBoundingRect());
             r.translate(offset);
             path.addRect(r);
+        } else if (children.at(i)->type() == GROUPWIDGET) {
+            QList<QGraphicsItem *> subchildren = children.at(i)->childItems();
+            for (int j = 0; j < subchildren.count(); j++) {
+                if (subchildren.at(j)->type() == (int)type) {
+                    QRectF r(subchildren.at(j)->sceneBoundingRect());
+                    r.translate(offset);
+                    path.addRect(r);
+                }
+            }
         }
     }
     return path;
@@ -113,12 +153,15 @@ void AbstractGroupItem::paint(QPainter *p, const QStyleOptionGraphicsItem *optio
 //virtual
 QVariant AbstractGroupItem::itemChange(GraphicsItemChange change, const QVariant &value)
 {
+    if (change == QGraphicsItem::ItemSelectedChange) {
+        if (value.toBool()) setZValue(10);
+        else setZValue(1);
+    }
     if (change == ItemPositionChange && scene() && parentItem() == 0) {
         // calculate new position.
         const int trackHeight = KdenliveSettings::trackheight();
         QPointF start = sceneBoundingRect().topLeft();
         QPointF newPos = value.toPointF();
-        //kDebug()<<"REAL:"<<start.x()<<", PROPOSED:"<<(int)(start.x() - pos().x() + newPos.x());
         int xpos = projectScene()->getSnapPointForPos((int)(start.x() + newPos.x() - pos().x()), KdenliveSettings::snaptopoints());
 
         xpos = qMax(xpos, 0);
@@ -181,19 +224,93 @@ QVariant AbstractGroupItem::itemChange(GraphicsItemChange change, const QVariant
             return QPointF(pos().x() - start.x(), pos().y());
         }*/
 
-        QPainterPath shape = groupShape(newPos - pos());
-        QList<QGraphicsItem*> collindingItems = scene()->items(shape, Qt::IntersectsItemShape);
-        for (int i = 0; i < children.count(); i++) {
-            collindingItems.removeAll(children.at(i));
+        QList<QGraphicsItem*> collidingItems;
+        QPainterPath shape;
+        if (projectScene()->editMode() == NORMALEDIT) {
+            shape = clipGroupShape(newPos - pos());
+            collidingItems = scene()->items(shape, Qt::IntersectsItemShape);
+            collidingItems.removeAll(this);
+            for (int i = 0; i < children.count(); i++) {
+                if (children.at(i)->type() == GROUPWIDGET) {
+                    QList<QGraphicsItem *> subchildren = children.at(i)->childItems();
+                    for (int j = 0; j < subchildren.count(); j++) {
+                        collidingItems.removeAll(subchildren.at(j));
+                    }
+                }
+                collidingItems.removeAll(children.at(i));
+            }
+        }
+        if (!collidingItems.isEmpty()) {
+            bool forwardMove = xpos > start.x();
+            int offset = 0;
+            for (int i = 0; i < collidingItems.count(); i++) {
+                QGraphicsItem *collision = collidingItems.at(i);
+                if (collision->type() == AVWIDGET) {
+                    // Collision
+                    if (newPos.y() != pos().y()) {
+                        // Track change results in collision, restore original position
+                        return pos();
+                    }
+                    AbstractClipItem *item = static_cast <AbstractClipItem *>(collision);
+                    if (forwardMove) {
+                        // Moving forward, determine best pos
+                        QPainterPath clipPath;
+                        clipPath.addRect(item->sceneBoundingRect());
+                        QPainterPath res = shape.intersected(clipPath);
+                        offset = qMax(offset, (int)(res.boundingRect().width() + 0.5));
+                    } else {
+                        // Moving backward, determine best pos
+                        QPainterPath clipPath;
+                        clipPath.addRect(item->sceneBoundingRect());
+                        QPainterPath res = shape.intersected(clipPath);
+                        offset = qMax(offset, (int)(res.boundingRect().width() + 0.5));
+                    }
+                }
+            }
+            if (offset > 0) {
+                if (forwardMove) {
+                    newPos.setX(newPos.x() - offset);
+                } else {
+                    newPos.setX(newPos.x() + offset);
+                }
+                // If there is still a collision after our position adjust, restore original pos
+                collidingItems = scene()->items(clipGroupShape(newPos - pos()), Qt::IntersectsItemShape);
+                collidingItems.removeAll(this);
+                for (int i = 0; i < children.count(); i++) {
+                    if (children.at(i)->type() == GROUPWIDGET) {
+                        QList<QGraphicsItem *> subchildren = children.at(i)->childItems();
+                        for (int j = 0; j < subchildren.count(); j++) {
+                            collidingItems.removeAll(subchildren.at(j));
+                        }
+                    }
+                    collidingItems.removeAll(children.at(i));
+                }
+                for (int i = 0; i < collidingItems.count(); i++)
+                    if (collidingItems.at(i)->type() == AVWIDGET) return pos();
+            }
         }
 
-        if (collindingItems.isEmpty()) return newPos;
+        if (projectScene()->editMode() == NORMALEDIT) {
+            shape = transitionGroupShape(newPos - pos());
+            collidingItems = scene()->items(shape, Qt::IntersectsItemShape);
+            collidingItems.removeAll(this);
+            for (int i = 0; i < children.count(); i++) {
+                if (children.at(i)->type() == GROUPWIDGET) {
+                    QList<QGraphicsItem *> subchildren = children.at(i)->childItems();
+                    for (int j = 0; j < subchildren.count(); j++) {
+                        collidingItems.removeAll(subchildren.at(j));
+                    }
+                }
+                collidingItems.removeAll(children.at(i));
+            }
+        }
+        if (collidingItems.isEmpty()) return newPos;
         else {
             bool forwardMove = xpos > start.x();
             int offset = 0;
-            for (int i = 0; i < collindingItems.count(); i++) {
-                QGraphicsItem *collision = collindingItems.at(i);
-                if (collision->type() == AVWIDGET) {
+            for (int i = 0; i < collidingItems.count(); i++) {
+                QGraphicsItem *collision = collidingItems.at(i);
+                if (collision->type() == TRANSITIONWIDGET) {
                     // Collision
                     if (newPos.y() != pos().y()) {
                         // Track change results in collision, restore original position
@@ -222,15 +339,15 @@ QVariant AbstractGroupItem::itemChange(GraphicsItemChange change, const QVariant
                     newPos.setX(newPos.x() + offset);
                 }
                 // If there is still a collision after our position adjust, restore original pos
-                collindingItems = scene()->items(groupShape(newPos - pos()), Qt::IntersectsItemShape);
+                collidingItems = scene()->items(transitionGroupShape(newPos - pos()), Qt::IntersectsItemShape);
                 for (int i = 0; i < children.count(); i++) {
-                    collindingItems.removeAll(children.at(i));
+                    collidingItems.removeAll(children.at(i));
                 }
-                for (int i = 0; i < collindingItems.count(); i++)
-                    if (collindingItems.at(i)->type() == AVWIDGET) return pos();
+                for (int i = 0; i < collidingItems.count(); i++)
+                    if (collidingItems.at(i)->type() == TRANSITIONWIDGET) return pos();
             }
-            return newPos;
         }
+        return newPos;
     }
     return QGraphicsItemGroup::itemChange(change, value);
 }
@@ -265,3 +382,89 @@ void AbstractGroupItem::mousePressEvent(QGraphicsSceneMouseEvent * event)
         event->ignore();
     } else QGraphicsItem::mousePressEvent(event);
 }
+
+void AbstractGroupItem::resizeStart(int diff)
+{
+    bool info = false;
+    if (m_resizeInfos.isEmpty())
+        info = true;
+    int maximum = diff;
+    QList <QGraphicsItem *> children = childItems();
+    QList <AbstractClipItem *> items;
+    int itemcount = 0;
+    for (int i = 0; i < children.count(); ++i) {
+        AbstractClipItem *item = static_cast <AbstractClipItem *>(children.at(i));
+        if (item && item->type() == AVWIDGET) {
+            items << item;
+            if (info)
+                m_resizeInfos << item->info();
+            item->resizeStart((int)(m_resizeInfos.at(itemcount).startPos.frames(item->fps())) + diff);
+            int itemdiff = (int)(item->startPos() - m_resizeInfos.at(itemcount).startPos).frames(item->fps());
+            if (qAbs(itemdiff) < qAbs(maximum))
+                maximum = itemdiff;
+            ++itemcount;
+        }
+    }
+    
+    for (int i = 0; i < items.count(); ++i)
+        items.at(i)->resizeStart((int)(m_resizeInfos.at(i).startPos.frames(items.at(i)->fps())) + maximum);
+}
+
+void AbstractGroupItem::resizeEnd(int diff)
+{
+    bool info = false;
+    if (m_resizeInfos.isEmpty())
+        info = true;
+    int maximum = diff;
+    QList <QGraphicsItem *> children = childItems();
+    QList <AbstractClipItem *> items;
+    int itemcount = 0;
+    for (int i = 0; i < children.count(); ++i) {
+        AbstractClipItem *item = static_cast <AbstractClipItem *>(children.at(i));
+        if (item && item->type() == AVWIDGET) {
+            items << item;
+            if (info)
+                m_resizeInfos << item->info();
+            item->resizeEnd((int)(m_resizeInfos.at(itemcount).endPos.frames(item->fps())) + diff);
+            int itemdiff = (int)(item->endPos() - m_resizeInfos.at(itemcount).endPos).frames(item->fps());
+            if (qAbs(itemdiff) < qAbs(maximum))
+                maximum = itemdiff;
+            ++itemcount;
+        }
+    }
+
+    for (int i = 0; i < items.count(); ++i)
+        items.at(i)->resizeEnd((int)(m_resizeInfos.at(i).endPos.frames(items.at(i)->fps())) + maximum);
+}
+
+QList< ItemInfo > AbstractGroupItem::resizeInfos()
+{
+    return m_resizeInfos;
+}
+
+void AbstractGroupItem::clearResizeInfos()
+{
+    // m_resizeInfos.clear() will crash in some cases for unknown reasons - ttill
+    m_resizeInfos = QList <ItemInfo>();
+}
+
+GenTime AbstractGroupItem::duration()
+{
+    QList <QGraphicsItem *> children = childItems();
+    GenTime start = GenTime(-1.0);
+    GenTime end = GenTime();
+    for (int i = 0; i < children.count(); ++i) {
+        if (children.at(i)->type() != GROUPWIDGET) {
+            AbstractClipItem *item = static_cast <AbstractClipItem *>(children.at(i));
+            if (item) {
+                if (start < GenTime() || item->startPos() < start)
+                    start = item->startPos();
+                if (item->endPos() > end)
+                    end = item->endPos();
+            }
+        } else {
+            children << children.at(i)->childItems();
+        }
+    }
+    return end - start;
+}