]> git.sesse.net Git - kdenlive/blobdiff - src/customtrackview.cpp
Fix crash on clip deletion, fix issues with placeholder clips
[kdenlive] / src / customtrackview.cpp
index cd49a86b41ad2b8d14deed6476af7d650c41c1a6..680c7fc9cc32978c0c757461bfd64cb96f48edbc 100644 (file)
@@ -19,7 +19,6 @@
 
 
 #include "customtrackview.h"
-#include "customtrackscene.h"
 #include "docclipbase.h"
 #include "clipitem.h"
 #include "definitions.h"
 #include <QScrollBar>
 #include <QApplication>
 #include <QInputDialog>
+#include <KMessageBox>
 
+#if QT_VERSION >= 0x040600
+#include <QGraphicsDropShadowEffect>
+#endif
 
 bool sortGuidesList(const Guide *g1 , const Guide *g2)
 {
@@ -114,7 +117,8 @@ CustomTrackView::CustomTrackView(KdenliveDoc *doc, CustomTrackScene* projectscen
         m_copiedItems(),
         m_menuPosition(),
         m_blockRefresh(false),
-        m_selectionGroup(NULL)
+        m_selectionGroup(NULL),
+        m_selectedTrack(0)
 {
     if (doc) m_commandStack = doc->commandStack();
     else m_commandStack = NULL;
@@ -143,7 +147,7 @@ CustomTrackView::CustomTrackView(KdenliveDoc *doc, CustomTrackScene* projectscen
 
     QPen pen1 = QPen();
     pen1.setWidth(1);
-    pen1.setColor(Qt::black);
+    pen1.setColor(palette().text().color());
     m_cursorLine->setPen(pen1);
     m_cursorLine->setFlag(QGraphicsItem::ItemIgnoresTransformations, true);
 
@@ -167,9 +171,22 @@ CustomTrackView::CustomTrackView(KdenliveDoc *doc, CustomTrackScene* projectscen
 CustomTrackView::~CustomTrackView()
 {
     qDeleteAll(m_guides);
+    m_guides.clear();
     m_waitingThumbs.clear();
 }
 
+//virtual
+void CustomTrackView::keyPressEvent(QKeyEvent * event)
+{
+    if (event->key() == Qt::Key_Up) {
+        slotTrackUp();
+        event->accept();
+    } else if (event->key() == Qt::Key_Down) {
+        slotTrackDown();
+        event->accept();
+    } else QWidget::keyPressEvent(event);
+}
+
 void CustomTrackView::setDocumentModified()
 {
     m_document->setModified(true);
@@ -236,11 +253,12 @@ void CustomTrackView::checkTrackHeight()
             transitionitem->setPos((qreal) transitionitem->startPos().frames(m_document->fps()), (qreal) transitionitem->track() * m_tracksHeight + m_tracksHeight / 3 * 2);
         }
     }
-    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), m_tracksHeight * m_document->tracksCount());
+    double newHeight = m_tracksHeight * m_document->tracksCount() * matrix().m22();
+    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), newHeight);
 
     for (int i = 0; i < m_guides.count(); i++) {
         QLineF l = m_guides.at(i)->line();
-        l.setP2(QPointF(l.x2(), m_tracksHeight * m_document->tracksCount()));
+        l.setP2(QPointF(l.x2(), newHeight));
         m_guides.at(i)->setLine(l);
     }
 
@@ -319,7 +337,6 @@ void CustomTrackView::slotCheckPositionScrolling()
 
 
 // virtual
-
 void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
 {
     int pos = event->x();
@@ -389,6 +406,7 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
             return;
         } else if (m_operationMode == SPACER && move && m_selectionGroup) {
             // spacer tool
+            snappedPos = getSnapPointForPos(mappedXPos + m_spacerOffset);
             if (snappedPos < 0) snappedPos = 0;
             // Make sure there is no collision
             QList<QGraphicsItem *> children = m_selectionGroup->childItems();
@@ -400,6 +418,7 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
             }
             bool collision = false;
             for (int i = 0; i < collidingItems.count(); i++) {
+                if (!collidingItems.at(i)->isEnabled()) continue;
                 if (collidingItems.at(i)->type() == AVWIDGET) {
                     collision = true;
                     break;
@@ -455,7 +474,7 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
             // razor tool over a clip, display current frame in monitor
             if (false && !m_blockRefresh && item->type() == AVWIDGET) {
                 //TODO: solve crash when showing frame when moving razor over clip
-                emit showClipFrame(((ClipItem *) item)->baseClip(), mappedXPos - (clip->startPos() - clip->cropStart()).frames(m_document->fps()));
+                emit showClipFrame(((ClipItem *) item)->baseClip(), QPoint(), mappedXPos - (clip->startPos() - clip->cropStart()).frames(m_document->fps()));
             }
             event->accept();
             return;
@@ -652,7 +671,7 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
 
     // special cases (middle click button or ctrl / shift click
     if (event->button() == Qt::MidButton) {
-        m_document->renderer()->switchPlay();
+        emit playMonitor();
         m_blockRefresh = false;
         m_operationMode = NONE;
         return;
@@ -740,7 +759,14 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
         if (m_dragItem) emit clipItemSelected(NULL);
         m_dragItem = NULL;
     }
-
+#if QT_VERSION >= 0x040600
+    // Add shadow to dragged item, currently disabled because of painting artifacts
+    //TODO: re-enable when fixed
+    /*QGraphicsDropShadowEffect *eff = new QGraphicsDropShadowEffect();
+    eff->setBlurRadius(5);
+    eff->setOffset(3, 3);
+    m_dragItem->setGraphicsEffect(eff);*/
+#endif
     if (m_dragItem && m_dragItem->type() == TRANSITIONWIDGET) {
         // update transition menu action
         m_autoTransition->setChecked(static_cast<Transition *>(m_dragItem)->isAutomatic());
@@ -793,10 +819,16 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
             if (event->modifiers() == Qt::ControlModifier) {
                 // Ctrl + click, select all items on track after click position
                 int track = (int)(mapToScene(m_clickEvent).y() / m_tracksHeight);
+                if (m_document->trackInfoAt(m_document->tracksCount() - track - 1).isLocked) {
+                    // Cannot use spacer on locked track
+                    emit displayMessage(i18n("Cannot use spacer in a locked track"), ErrorMessage);
+                    return;
+                }
+
                 QRectF rect(mapToScene(m_clickEvent).x(), track * m_tracksHeight + m_tracksHeight / 2, sceneRect().width() - mapToScene(m_clickEvent).x(), m_tracksHeight / 2 - 2);
 
                 bool isOk;
-                selection = checkForGroups(rect, isOk);
+                selection = checkForGroups(rect, &isOk);
                 if (!isOk) {
                     // groups found on track, do not allow the move
                     emit displayMessage(i18n("Cannot use spacer in a track with a group"), ErrorMessage);
@@ -817,11 +849,13 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
             for (int i = 0; i < selection.count(); i++) {
                 if (selection.at(i)->parentItem() == 0 && (selection.at(i)->type() == AVWIDGET || selection.at(i)->type() == TRANSITIONWIDGET)) {
                     AbstractClipItem *item = static_cast<AbstractClipItem *>(selection.at(i));
+                    if (item->isItemLocked()) continue;
                     offsetList.append(item->startPos());
                     offsetList.append(item->endPos());
                     m_selectionGroup->addToGroup(selection.at(i));
-                    selection.at(i)->setFlags(QGraphicsItem::ItemIsSelectable);
+                    selection.at(i)->setFlag(QGraphicsItem::ItemIsMovable, false);
                 } else if (selection.at(i)->parentItem() == 0 && selection.at(i)->type() == GROUPWIDGET) {
+                    if (static_cast<AbstractGroupItem *>(selection.at(i))->isItemLocked()) continue;
                     QList<QGraphicsItem *> children = selection.at(i)->childItems();
                     for (int j = 0; j < children.count(); j++) {
                         AbstractClipItem *item = static_cast<AbstractClipItem *>(children.at(j));
@@ -829,13 +863,14 @@ void CustomTrackView::mousePressEvent(QMouseEvent * event)
                         offsetList.append(item->endPos());
                     }
                     m_selectionGroup->addToGroup(selection.at(i));
-                    selection.at(i)->setFlags(QGraphicsItem::ItemIsSelectable);
+                    selection.at(i)->setFlag(QGraphicsItem::ItemIsMovable, false);
                 } else if (selection.at(i)->parentItem()) {
+                    if (static_cast<AbstractGroupItem *>(selection.at(i)->parentItem())->isItemLocked()) continue;
                     m_selectionGroup->addToGroup(selection.at(i)->parentItem());
-                    selection.at(i)->parentItem()->setFlags(QGraphicsItem::ItemIsSelectable);
+                    selection.at(i)->parentItem()->setFlag(QGraphicsItem::ItemIsMovable, false);
                 }
             }
-
+            m_spacerOffset = m_selectionGroup->sceneBoundingRect().left() - (int)(mapToScene(m_clickEvent).x());
             if (!offsetList.isEmpty()) {
                 qSort(offsetList);
                 QList <GenTime> cleandOffsetList;
@@ -1039,11 +1074,11 @@ void CustomTrackView::resetSelectionGroup(bool selectItems)
         for (int i = 0; i < children.count(); i++) {
             if (children.at(i)->parentItem() == 0 && (children.at(i)->type() == AVWIDGET || children.at(i)->type() == TRANSITIONWIDGET)) {
                 if (!static_cast <AbstractClipItem *>(children.at(i))->isItemLocked()) {
-                    children.at(i)->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
+                    children.at(i)->setFlag(QGraphicsItem::ItemIsMovable, true);
                     children.at(i)->setSelected(selectItems);
                 }
             } else if (children.at(i)->type() == GROUPWIDGET) {
-                children.at(i)->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
+                children.at(i)->setFlag(QGraphicsItem::ItemIsMovable, true);
                 children.at(i)->setSelected(selectItems);
             }
         }
@@ -1102,7 +1137,7 @@ void CustomTrackView::groupSelectedItems(bool force, bool createNewGroup)
             for (int i = 0; i < selection.count(); i++) {
                 if (selection.at(i)->type() == AVWIDGET || selection.at(i)->type() == TRANSITIONWIDGET) {
                     newGroup->addToGroup(selection.at(i));
-                    selection.at(i)->setFlags(QGraphicsItem::ItemIsSelectable);
+                    selection.at(i)->setFlag(QGraphicsItem::ItemIsMovable, false);
                 }
             }
             KdenliveSettings::setSnaptopoints(snap);
@@ -1117,7 +1152,7 @@ void CustomTrackView::groupSelectedItems(bool force, bool createNewGroup)
             for (int i = 0; i < selection.count(); i++) {
                 if (selection.at(i)->parentItem() == 0 && (selection.at(i)->type() == AVWIDGET || selection.at(i)->type() == TRANSITIONWIDGET || selection.at(i)->type() == GROUPWIDGET)) {
                     m_selectionGroup->addToGroup(selection.at(i));
-                    selection.at(i)->setFlags(QGraphicsItem::ItemIsSelectable);
+                    selection.at(i)->setFlag(QGraphicsItem::ItemIsMovable, false);
                 }
             }
             KdenliveSettings::setSnaptopoints(snap);
@@ -1264,6 +1299,30 @@ void CustomTrackView::activateMonitor()
     emit activateDocumentMonitor();
 }
 
+void CustomTrackView::insertClipCut(DocClipBase *clip, int in, int out)
+{
+    resetSelectionGroup();
+    ItemInfo info;
+    info.startPos = GenTime();
+    info.cropStart = GenTime(in, m_document->fps());
+    info.endPos = GenTime(out - in, m_document->fps());
+    info.cropDuration = info.endPos - info.startPos;
+    info.track = 0;
+
+    // Check if clip can be inserted at that position
+    ItemInfo pasteInfo = info;
+    pasteInfo.startPos = GenTime(m_cursorPos, m_document->fps());
+    pasteInfo.endPos = pasteInfo.startPos + info.endPos;
+    pasteInfo.track = selectedTrack();
+    if (!canBePastedTo(pasteInfo, AVWIDGET)) {
+        emit displayMessage(i18n("Cannot insert clip in timeline"), ErrorMessage);
+        return;
+    }
+
+    AddTimelineClipCommand *command = new AddTimelineClipCommand(this, clip->toXML(), clip->getId(), pasteInfo, EffectsList(), m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT, true, false);
+    m_commandStack->push(command);
+}
+
 bool CustomTrackView::insertDropClips(const QMimeData *data, const QPoint pos)
 {
     if (data->hasFormat("kdenlive/clip")) {
@@ -1275,7 +1334,7 @@ bool CustomTrackView::insertDropClips(const QMimeData *data, const QPoint pos)
             kDebug() << " WARNING))))))))) CLIP NOT FOUND : " << list.at(0);
             return false;
         }
-        const QPointF framePos = mapToScene(pos);
+        QPointF framePos = mapToScene(pos);
         ItemInfo info;
         info.startPos = GenTime();
         info.cropStart = GenTime(list.at(1).toInt(), m_document->fps());
@@ -1288,19 +1347,22 @@ bool CustomTrackView::insertDropClips(const QMimeData *data, const QPoint pos)
         pasteInfo.startPos = GenTime((int)(framePos.x() + 0.5), m_document->fps());
         pasteInfo.endPos = pasteInfo.startPos + info.endPos;
         pasteInfo.track = (int)(framePos.y() / m_tracksHeight);
+        framePos.setX((int)(framePos.x() + 0.5));
+        framePos.setY(pasteInfo.track * m_tracksHeight);
         if (!canBePastedTo(pasteInfo, AVWIDGET)) {
             return true;
         }
         m_selectionGroup = new AbstractGroupItem(m_document->fps());
         ClipItem *item = new ClipItem(clip, info, m_document->fps(), 1.0, 1);
         m_selectionGroup->addToGroup(item);
-        item->setFlags(QGraphicsItem::ItemIsSelectable);
+        item->setFlag(QGraphicsItem::ItemIsMovable, false);
 
         QList <GenTime> offsetList;
         offsetList.append(info.endPos);
         updateSnapPoints(NULL, offsetList);
         m_selectionGroup->setPos(framePos);
         scene()->addItem(m_selectionGroup);
+        //m_selectionGroup->setZValue(10);
         return true;
     } else if (data->hasFormat("kdenlive/producerslist")) {
         m_clipDrag = true;
@@ -1310,9 +1372,11 @@ bool CustomTrackView::insertDropClips(const QMimeData *data, const QPoint pos)
 
         QList <GenTime> offsetList;
         QList <ItemInfo> infoList;
-        const QPointF framePos = mapToScene(pos);
+        QPointF framePos = mapToScene(pos);
         GenTime start = GenTime((int)(framePos.x() + 0.5), m_document->fps());
         int track = (int)(framePos.y() / m_tracksHeight);
+        framePos.setX((int)(framePos.x() + 0.5));
+        framePos.setY(track * m_tracksHeight);
 
         // Check if clips can be inserted at that position
         for (int i = 0; i < ids.size(); ++i) {
@@ -1344,14 +1408,16 @@ bool CustomTrackView::insertDropClips(const QMimeData *data, const QPoint pos)
             start += info.cropDuration;
             offsetList.append(start);
             ClipItem *item = new ClipItem(clip, info, m_document->fps(), 1.0, 1, false);
-            item->setFlags(QGraphicsItem::ItemIsSelectable);
+            //item->setZValue(10);
+            item->setFlag(QGraphicsItem::ItemIsMovable, false);
             m_selectionGroup->addToGroup(item);
-            m_waitingThumbs.append(item);
+            if (!clip->isPlaceHolder()) m_waitingThumbs.append(item);
         }
 
         updateSnapPoints(NULL, offsetList);
         m_selectionGroup->setPos(framePos);
         scene()->addItem(m_selectionGroup);
+        //m_selectionGroup->setZValue(10);
         m_thumbsTimer.start();
         return true;
 
@@ -1484,7 +1550,7 @@ void CustomTrackView::slotAddGroupEffect(QDomElement effect, AbstractGroupItem *
                 if (item->isAudioOnly() || item->clipType() == AUDIO) continue;
             }
 
-            if (item->hasEffect(effect.attribute("tag"), effect.attribute("id")) != -1 && effect.attribute("unique", "0") != "0") {
+            if (effect.attribute("unique", "0") != "0" && item->hasEffect(effect.attribute("tag"), effect.attribute("id")) != -1) {
                 emit displayMessage(i18n("Effect already present in clip"), ErrorMessage);
                 continue;
             }
@@ -1678,16 +1744,17 @@ void CustomTrackView::slotUpdateClipEffect(ClipItem *clip, QDomElement oldeffect
     m_commandStack->push(command);
 }
 
-void CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut)
+ClipItem *CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut, bool execute)
 {
     if (cut) {
         // cut clip
         ClipItem *item = getClipItemAt((int) info.startPos.frames(m_document->fps()), info.track);
         if (!item || cutTime >= item->endPos() || cutTime <= item->startPos()) {
             emit displayMessage(i18n("Cannot find clip to cut"), ErrorMessage);
-            kDebug() << "/////////  ERROR CUTTING CLIP : (" << item->startPos().frames(25) << "-" << item->endPos().frames(25) << "), INFO: (" << info.startPos.frames(25) << "-" << info.endPos.frames(25) << ")" << ", CUT: " << cutTime.frames(25);
+            if (item) kDebug() << "/////////  ERROR CUTTING CLIP : (" << item->startPos().frames(25) << "-" << item->endPos().frames(25) << "), INFO: (" << info.startPos.frames(25) << "-" << info.endPos.frames(25) << ")" << ", CUT: " << cutTime.frames(25);
+            else kDebug() << "/// ERROR NO CLIP at: " << info.startPos.frames(m_document->fps()) << ", track: " << info.track;
             m_blockRefresh = false;
-            return;
+            return NULL;
         }
         if (item->parentItem()) {
             // Item is part of a group, reset group
@@ -1695,7 +1762,7 @@ void CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut)
         }
         kDebug() << "/////////  CUTTING CLIP : (" << item->startPos().frames(25) << "-" << item->endPos().frames(25) << "), INFO: (" << info.startPos.frames(25) << "-" << info.endPos.frames(25) << ")" << ", CUT: " << cutTime.frames(25);
 
-        m_document->renderer()->mltCutClip(m_document->tracksCount() - info.track, cutTime);
+        if (execute) m_document->renderer()->mltCutClip(m_document->tracksCount() - info.track, cutTime);
         int cutPos = (int) cutTime.frames(m_document->fps());
         ItemInfo newPos;
         newPos.startPos = cutTime;
@@ -1704,7 +1771,8 @@ void CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut)
         newPos.track = info.track;
         newPos.cropDuration = newPos.endPos - newPos.startPos;
 
-
+        bool snap = KdenliveSettings::snaptopoints();
+        KdenliveSettings::setSnaptopoints(false);
         ClipItem *dup = item->clone(newPos);
         // remove unwanted effects (fade in) from 2nd part of cutted clip
         int ix = dup->hasEffect(QString(), "fadein");
@@ -1724,20 +1792,23 @@ void CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut)
         item->baseClip()->addReference();
         m_document->updateClip(item->baseClip()->getId());
         setDocumentModified();
+        KdenliveSettings::setSnaptopoints(snap);
+        return dup;
         //kDebug() << "/////////  CUTTING CLIP RESULT: (" << item->startPos().frames(25) << "-" << item->endPos().frames(25) << "), DUP: (" << dup->startPos().frames(25) << "-" << dup->endPos().frames(25) << ")" << ", CUT: " << cutTime.frames(25);
     } else {
         // uncut clip
 
         ClipItem *item = getClipItemAt((int) info.startPos.frames(m_document->fps()), info.track);
         ClipItem *dup = getClipItemAt((int) cutTime.frames(m_document->fps()), info.track);
+
         if (!item || !dup || item == dup) {
             emit displayMessage(i18n("Cannot find clip to uncut"), ErrorMessage);
             m_blockRefresh = false;
-            return;
+            return NULL;
         }
         if (m_document->renderer()->mltRemoveClip(m_document->tracksCount() - info.track, cutTime) == false) {
             emit displayMessage(i18n("Error removing clip at %1 on track %2", m_document->timecode().getTimecodeFromFrames(cutTime.frames(m_document->fps())), info.track), ErrorMessage);
-            return;
+            return NULL;
         }
 
         /*kDebug() << "// UNCUTTING CLIPS: ITEM 1 (" << item->startPos().frames(25) << "x" << item->endPos().frames(25) << ")";
@@ -1745,6 +1816,8 @@ void CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut)
         kDebug() << "// UNCUTTING CLIPS, INFO (" << info.startPos.frames(25) << "x" << info.endPos.frames(25) << ") , CUT: " << cutTime.frames(25);;*/
         //deleteClip(dup->info());
 
+        bool snap = KdenliveSettings::snaptopoints();
+        KdenliveSettings::setSnaptopoints(false);
 
         if (dup->isSelected()) emit clipItemSelected(NULL);
         dup->baseClip()->removeReference();
@@ -1760,9 +1833,11 @@ void CustomTrackView::cutClip(ItemInfo info, GenTime cutTime, bool cut)
             setDocumentModified();
         } else
             emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
+        KdenliveSettings::setSnaptopoints(snap);
+        return item;
 
     }
-    QTimer::singleShot(3000, this, SLOT(slotEnableRefresh()));
+    //QTimer::singleShot(3000, this, SLOT(slotEnableRefresh()));
 }
 
 void CustomTrackView::slotEnableRefresh()
@@ -1892,7 +1967,13 @@ void CustomTrackView::deleteTransition(ItemInfo transitionInfo, int endTrack, QD
     }
     m_document->renderer()->mltDeleteTransition(item->transitionTag(), endTrack, m_document->tracksCount() - transitionInfo.track, transitionInfo.startPos, transitionInfo.endPos, item->toXML(), refresh);
     if (m_dragItem == item) m_dragItem = NULL;
+
+#if QT_VERSION >= 0x040600
+    // animate item deletion
+    item->closeAnimation();
+#else
     delete item;
+#endif
     emit transitionItemSelected(NULL);
     setDocumentModified();
 }
@@ -1969,6 +2050,7 @@ void CustomTrackView::dropEvent(QDropEvent * event)
         bool hasVideoClip = false;
         QUndoCommand *addCommand = new QUndoCommand();
         addCommand->setText(i18n("Add timeline clip"));
+        QList <ClipItem *> brokenClips;
 
         for (int i = 0; i < items.count(); i++) {
             ClipItem *item = static_cast <ClipItem *>(items.at(i));
@@ -1979,8 +2061,9 @@ void CustomTrackView::dropEvent(QDropEvent * event)
                 updateClipTypeActions(NULL);
             }
 
-            new AddTimelineClipCommand(this, item->xml(), item->clipProducer(), item->info(), item->effectList(), false, false, addCommand);
+            //TODO: take care of edit mode for undo
             item->baseClip()->addReference();
+            //item->setZValue(item->defaultZValue());
             m_document->updateClip(item->baseClip()->getId());
             ItemInfo info = item->info();
 
@@ -1989,9 +2072,14 @@ void CustomTrackView::dropEvent(QDropEvent * event)
             if (isLocked) item->setItemLocked(true);
             ItemInfo clipInfo = info;
             clipInfo.track = m_document->tracksCount() - item->track();
-            if (m_document->renderer()->mltInsertClip(clipInfo, item->xml(), item->baseClip()->producer(item->track())) == -1) {
+            if (m_document->renderer()->mltInsertClip(clipInfo, item->xml(), item->baseClip()->producer(item->track()), m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT) == -1) {
                 emit displayMessage(i18n("Cannot insert clip in timeline"), ErrorMessage);
+                brokenClips.append(item);
+                continue;
             }
+            adjustTimelineClips(m_scene->editMode(), item, ItemInfo(), addCommand);
+
+            new AddTimelineClipCommand(this, item->xml(), item->clipProducer(), item->info(), item->effectList(), m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT, false, false, addCommand);
 
             if (item->baseClip()->isTransparent() && getTransitionItemAtStart(info.startPos, info.track) == NULL) {
                 // add transparency transition
@@ -2000,8 +2088,30 @@ void CustomTrackView::dropEvent(QDropEvent * event)
             }
             item->setSelected(true);
         }
-        m_commandStack->push(addCommand);
+        qDeleteAll(brokenClips);
+        brokenClips.clear();
+        if (addCommand->childCount() > 0) m_commandStack->push(addCommand);
+        else delete addCommand;
         setDocumentModified();
+
+        /*
+        // debug info
+        QRectF rect(0, 1 * m_tracksHeight + m_tracksHeight / 2, sceneRect().width(), 2);
+        QList<QGraphicsItem *> selection = m_scene->items(rect);
+        QStringList timelineList;
+
+        kDebug()<<"// ITEMS on TRACK: "<<selection.count();
+        for (int i = 0; i < selection.count(); i++) {
+               if (selection.at(i)->type() == AVWIDGET) {
+                   ClipItem *clip = static_cast <ClipItem *>(selection.at(i));
+                   int start = clip->startPos().frames(m_document->fps());
+                   int end = clip->endPos().frames(m_document->fps());
+                   timelineList.append(QString::number(start) + "-" + QString::number(end));
+            }
+        }
+        kDebug() << "// COMPARE:\n" << timelineList << "\n-------------------";
+        */
+
         m_pasteEffectsAction->setEnabled(m_copiedItems.count() == 1);
         if (items.count() > 1) groupSelectedItems(true);
         event->setDropAction(Qt::MoveAction);
@@ -2010,6 +2120,128 @@ void CustomTrackView::dropEvent(QDropEvent * event)
     setFocus();
 }
 
+void CustomTrackView::adjustTimelineClips(EDITMODE mode, ClipItem *item, ItemInfo posinfo, QUndoCommand *command)
+{
+    bool snap = KdenliveSettings::snaptopoints();
+    KdenliveSettings::setSnaptopoints(false);
+    if (mode == OVERWRITEEDIT) {
+        // if we are in overwrite mode, move clips accordingly
+        ItemInfo info;
+        if (item == NULL) info = posinfo;
+        else info = item->info();
+        QRectF rect(info.startPos.frames(m_document->fps()), info.track * m_tracksHeight + m_tracksHeight / 2, (info.endPos - info.startPos).frames(m_document->fps()) - 1, 5);
+        QList<QGraphicsItem *> selection = m_scene->items(rect);
+        if (item) selection.removeAll(item);
+        for (int i = 0; i < selection.count(); i++) {
+            if (!selection.at(i)->isEnabled()) continue;
+            if (selection.at(i)->type() == AVWIDGET) {
+                ClipItem *clip = static_cast<ClipItem *>(selection.at(i));
+                if (clip->startPos() < info.startPos) {
+                    if (clip->endPos() > info.endPos) {
+                        ItemInfo clipInfo = clip->info();
+                        ItemInfo dupInfo = clipInfo;
+                        GenTime diff = info.startPos - clipInfo.startPos;
+                        dupInfo.startPos = info.startPos;
+                        dupInfo.cropStart += diff;
+                        dupInfo.cropDuration = clipInfo.endPos - info.startPos;
+                        ItemInfo newdupInfo = dupInfo;
+                        GenTime diff2 = info.endPos - info.startPos;
+                        newdupInfo.startPos = info.endPos;
+                        newdupInfo.cropStart += diff2;
+                        newdupInfo.cropDuration = clipInfo.endPos - info.endPos;
+                        new RazorClipCommand(this, clipInfo, info.startPos, false, command);
+                        new ResizeClipCommand(this, dupInfo, newdupInfo, false, false, command);
+                        ClipItem *dup = cutClip(clipInfo, info.startPos, true, false);
+                        if (dup) dup->resizeStart(info.endPos.frames(m_document->fps()));
+                    } else {
+                        ItemInfo newclipInfo = clip->info();
+                        newclipInfo.endPos = info.startPos;
+                        new ResizeClipCommand(this, clip->info(), newclipInfo, false, false, command);
+                        clip->resizeEnd(info.startPos.frames(m_document->fps()));
+                    }
+                } else if (clip->endPos() <= info.endPos) {
+                    new AddTimelineClipCommand(this, clip->xml(), clip->clipProducer(), clip->info(), clip->effectList(), false, false, false, true, command);
+                    scene()->removeItem(clip);
+                    delete clip;
+                    clip = NULL;
+                } else {
+                    ItemInfo newclipInfo = clip->info();
+                    newclipInfo.startPos = info.endPos;
+                    new ResizeClipCommand(this, clip->info(), newclipInfo, false, false, command);
+                    clip->resizeStart(info.endPos.frames(m_document->fps()));
+                }
+            }
+        }
+    } else if (mode == INSERTEDIT) {
+        // if we are in push mode, move clips accordingly
+        ItemInfo info;
+        if (item == NULL) info = posinfo;
+        else info = item->info();
+        QRectF rect(info.startPos.frames(m_document->fps()), info.track * m_tracksHeight + m_tracksHeight / 2, (info.endPos - info.startPos).frames(m_document->fps()) - 1, 5);
+        QList<QGraphicsItem *> selection = m_scene->items(rect);
+        if (item) selection.removeAll(item);
+        for (int i = 0; i < selection.count(); i++) {
+            if (selection.at(i)->type() == AVWIDGET) {
+                ClipItem *clip = static_cast<ClipItem *>(selection.at(i));
+                if (clip->startPos() < info.startPos) {
+                    if (clip->endPos() > info.startPos) {
+                        ItemInfo clipInfo = clip->info();
+                        ItemInfo dupInfo = clipInfo;
+                        GenTime diff = info.startPos - clipInfo.startPos;
+                        dupInfo.startPos = info.startPos;
+                        dupInfo.cropStart += diff;
+                        dupInfo.cropDuration = clipInfo.endPos - info.startPos;
+                        new RazorClipCommand(this, clipInfo, info.startPos, false, command);
+                        ClipItem *dup = cutClip(clipInfo, info.startPos, true, false);
+                    }
+                }
+                // TODO: add insertspacecommand
+            }
+        }
+    }
+
+    KdenliveSettings::setSnaptopoints(snap);
+}
+
+
+void CustomTrackView::adjustTimelineTransitions(EDITMODE mode, Transition *item, QUndoCommand *command)
+{
+    if (mode == OVERWRITEEDIT) {
+        // if we are in overwrite or push mode, move clips accordingly
+        bool snap = KdenliveSettings::snaptopoints();
+        KdenliveSettings::setSnaptopoints(false);
+        ItemInfo info = item->info();
+        QRectF rect(info.startPos.frames(m_document->fps()), info.track * m_tracksHeight + m_tracksHeight, (info.endPos - info.startPos).frames(m_document->fps()) - 1, 5);
+        QList<QGraphicsItem *> selection = m_scene->items(rect);
+        selection.removeAll(item);
+        for (int i = 0; i < selection.count(); i++) {
+            if (!selection.at(i)->isEnabled()) continue;
+            if (selection.at(i)->type() == TRANSITIONWIDGET) {
+                Transition *tr = static_cast<Transition *>(selection.at(i));
+                if (tr->startPos() < info.startPos) {
+                    ItemInfo firstPos = tr->info();
+                    ItemInfo newPos = firstPos;
+                    firstPos.endPos = item->startPos();
+                    newPos.startPos = item->endPos();
+                    new MoveTransitionCommand(this, tr->info(), firstPos, true, command);
+                    if (tr->endPos() > info.endPos) {
+                        // clone transition
+                        new AddTransitionCommand(this, newPos, tr->transitionEndTrack(), tr->toXML(), false, true, command);
+                    }
+                } else if (tr->endPos() > info.endPos) {
+                    // just resize
+                    ItemInfo firstPos = tr->info();
+                    firstPos.startPos = item->endPos();
+                    new MoveTransitionCommand(this, tr->info(), firstPos, true, command);
+                } else {
+                    // remove transition
+                    new AddTransitionCommand(this, tr->info(), tr->transitionEndTrack(), tr->toXML(), true, true, command);
+                }
+            }
+        }
+        KdenliveSettings::setSnaptopoints(snap);
+    }
+}
 
 QStringList CustomTrackView::mimeTypes() const
 {
@@ -2045,7 +2277,7 @@ int CustomTrackView::duration() const
 void CustomTrackView::addTrack(TrackInfo type, int ix)
 {
     if (ix == -1 || ix == m_document->tracksCount()) {
-        m_document->insertTrack(ix, type);
+        m_document->insertTrack(0, type);
         m_document->renderer()->mltInsertTrack(1, type.type == VIDEOTRACK);
     } else {
         m_document->insertTrack(m_document->tracksCount() - ix, type);
@@ -2062,7 +2294,7 @@ void CustomTrackView::addTrack(TrackInfo type, int ix)
         for (int i = 0; i < selection.count(); i++) {
             if ((!selection.at(i)->parentItem()) && (selection.at(i)->type() == AVWIDGET || selection.at(i)->type() == TRANSITIONWIDGET || selection.at(i)->type() == GROUPWIDGET)) {
                 m_selectionGroup->addToGroup(selection.at(i));
-                selection.at(i)->setFlags(QGraphicsItem::ItemIsSelectable);
+                selection.at(i)->setFlag(QGraphicsItem::ItemIsMovable, false);
             }
         }
         // Move graphic items
@@ -2081,6 +2313,8 @@ void CustomTrackView::addTrack(TrackInfo type, int ix)
             ItemInfo clipinfo = item->info();
             if (item->type() == AVWIDGET) {
                 ClipItem *clip = static_cast <ClipItem *>(item);
+                // slowmotion clips are not track dependant, so no need to update them
+                if (clip->speed() != 1.0) continue;
                 // We add a move clip command so that we get the correct producer for new track number
                 if (clip->clipType() == AV || clip->clipType() == AUDIO) {
                     Mlt::Producer *prod;
@@ -2103,14 +2337,14 @@ void CustomTrackView::addTrack(TrackInfo type, int ix)
         resetSelectionGroup(false);
     }
 
-    int maxHeight = m_tracksHeight * m_document->tracksCount();
+    int maxHeight = m_tracksHeight * m_document->tracksCount() * matrix().m22();
     for (int i = 0; i < m_guides.count(); i++) {
         QLineF l = m_guides.at(i)->line();
         l.setP2(QPointF(l.x2(), maxHeight));
         m_guides.at(i)->setLine(l);
     }
     m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), maxHeight);
-    setSceneRect(0, 0, sceneRect().width(), maxHeight);
+    setSceneRect(0, 0, sceneRect().width(), m_tracksHeight * m_document->tracksCount());
     viewport()->update();
     emit tracksChanged();
     //QTimer::singleShot(500, this, SIGNAL(trackHeightChanged()));
@@ -2134,7 +2368,7 @@ void CustomTrackView::removeTrack(int ix)
     for (int i = 0; i < selection.count(); i++) {
         if ((!selection.at(i)->parentItem()) && (selection.at(i)->type() == AVWIDGET || selection.at(i)->type() == TRANSITIONWIDGET || selection.at(i)->type() == GROUPWIDGET)) {
             m_selectionGroup->addToGroup(selection.at(i));
-            selection.at(i)->setFlags(QGraphicsItem::ItemIsSelectable);
+            selection.at(i)->setFlag(QGraphicsItem::ItemIsMovable, false);
         }
     }
     // Move graphic items
@@ -2176,14 +2410,16 @@ void CustomTrackView::removeTrack(int ix)
     }
     resetSelectionGroup(false);
 
-    int maxHeight = m_tracksHeight * m_document->tracksCount();
+    int maxHeight = m_tracksHeight * m_document->tracksCount() * matrix().m22();
     for (int i = 0; i < m_guides.count(); i++) {
         QLineF l = m_guides.at(i)->line();
         l.setP2(QPointF(l.x2(), maxHeight));
         m_guides.at(i)->setLine(l);
     }
     m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), maxHeight);
-    setSceneRect(0, 0, sceneRect().width(), maxHeight);
+    setSceneRect(0, 0, sceneRect().width(), m_tracksHeight * m_document->tracksCount());
+
+    m_selectedTrack = qMin(m_selectedTrack, m_document->tracksCount() - 1);
     viewport()->update();
     emit tracksChanged();
     //QTimer::singleShot(500, this, SIGNAL(trackHeightChanged()));
@@ -2246,18 +2482,19 @@ void CustomTrackView::slotSwitchTrackVideo(int ix)
     setDocumentModified();
 }
 
-QList<QGraphicsItem *> CustomTrackView::checkForGroups(const QRectF &rect, bool &ok)
+QList<QGraphicsItem *> CustomTrackView::checkForGroups(const QRectF &rect, bool *ok)
 {
     // Check there is no group going over several tracks there, or that would result in timeline corruption
     QList<QGraphicsItem *> selection = scene()->items(rect);
+    *ok = true;
     int maxHeight = m_tracksHeight * 1.5;
     for (int i = 0; i < selection.count(); i++) {
         // Check that we don't try to move a group with clips on other tracks
         if (selection.at(i)->type() == GROUPWIDGET && (selection.at(i)->boundingRect().height() >= maxHeight)) {
-            ok = false;
+            *ok = false;
             break;
         } else if (selection.at(i)->parentItem() && (selection.at(i)->parentItem()->boundingRect().height() >= maxHeight)) {
-            ok = false;
+            *ok = false;
             break;
         }
     }
@@ -2286,7 +2523,7 @@ void CustomTrackView::slotRemoveSpace()
     int length = m_document->renderer()->mltGetSpaceLength(pos, m_document->tracksCount() - track, true);
     //kDebug() << "// GOT LENGT; " << length;
     if (length <= 0) {
-        emit displayMessage(i18n("You must be in an empty space to remove space (time: %1, track:%2)", m_document->timecode().getTimecodeFromFrames(mapToScene(m_menuPosition).x()), track), ErrorMessage);
+        emit displayMessage(i18n("You must be in an empty space to remove space (time: %1, track: %2)", m_document->timecode().getTimecodeFromFrames(mapToScene(m_menuPosition).x()), track), ErrorMessage);
         return;
     }
 
@@ -2294,7 +2531,7 @@ void CustomTrackView::slotRemoveSpace()
     QRectF rect(pos.frames(m_document->fps()), track * m_tracksHeight + m_tracksHeight / 2, sceneRect().width() - pos.frames(m_document->fps()), m_tracksHeight / 2 - 2);
 
     bool isOk;
-    QList<QGraphicsItem *> items = checkForGroups(rect, isOk);
+    QList<QGraphicsItem *> items = checkForGroups(rect, &isOk);
     if (!isOk) {
         // groups found on track, do not allow the move
         emit displayMessage(i18n("Cannot remove space in a track with a group"), ErrorMessage);
@@ -2341,7 +2578,7 @@ void CustomTrackView::slotInsertSpace()
     // Make sure there is no group in the way
     QRectF rect(pos.frames(m_document->fps()), track * m_tracksHeight + m_tracksHeight / 2, sceneRect().width() - pos.frames(m_document->fps()), m_tracksHeight / 2 - 2);
     bool isOk;
-    QList<QGraphicsItem *> items = checkForGroups(rect, isOk);
+    QList<QGraphicsItem *> items = checkForGroups(rect, &isOk);
     if (!isOk) {
         // groups found on track, do not allow the move
         emit displayMessage(i18n("Cannot insert space in a track with a group"), ErrorMessage);
@@ -2390,10 +2627,10 @@ void CustomTrackView::insertSpace(QList<ItemInfo> clipsToMove, QList<ItemInfo> t
             if (clip) {
                 if (clip->parentItem()) {
                     m_selectionGroup->addToGroup(clip->parentItem());
-                    clip->parentItem()->setFlags(QGraphicsItem::ItemIsSelectable);
+                    clip->parentItem()->setFlag(QGraphicsItem::ItemIsMovable, false);
                 } else {
                     m_selectionGroup->addToGroup(clip);
-                    clip->setFlags(QGraphicsItem::ItemIsSelectable);
+                    clip->setFlag(QGraphicsItem::ItemIsMovable, false);
                 }
                 if (trackClipStartList.value(m_document->tracksCount() - clipsToMove.at(i).track) == -1 || clipsToMove.at(i).startPos.frames(m_document->fps()) < trackClipStartList.value(m_document->tracksCount() - clipsToMove.at(i).track))
                     trackClipStartList[m_document->tracksCount() - clipsToMove.at(i).track] = clipsToMove.at(i).startPos.frames(m_document->fps());
@@ -2406,10 +2643,10 @@ void CustomTrackView::insertSpace(QList<ItemInfo> clipsToMove, QList<ItemInfo> t
             if (transition) {
                 if (transition->parentItem()) {
                     m_selectionGroup->addToGroup(transition->parentItem());
-                    transition->parentItem()->setFlags(QGraphicsItem::ItemIsSelectable);
+                    transition->parentItem()->setFlag(QGraphicsItem::ItemIsMovable, false);
                 } else {
                     m_selectionGroup->addToGroup(transition);
-                    transition->setFlags(QGraphicsItem::ItemIsSelectable);
+                    transition->setFlag(QGraphicsItem::ItemIsMovable, false);
                 }
                 if (trackTransitionStartList.value(m_document->tracksCount() - transToMove.at(i).track) == -1 || transToMove.at(i).startPos.frames(m_document->fps()) < trackTransitionStartList.value(m_document->tracksCount() - transToMove.at(i).track))
                     trackTransitionStartList[m_document->tracksCount() - transToMove.at(i).track] = transToMove.at(i).startPos.frames(m_document->fps());
@@ -2451,7 +2688,7 @@ void CustomTrackView::deleteClip(const QString &clipId)
                     // Clip is in a group, destroy the group
                     new GroupClipsCommand(this, QList<ItemInfo>() << item->info(), QList<ItemInfo>(), false, deleteCommand);
                 }
-                new AddTimelineClipCommand(this, item->xml(), item->clipProducer(), item->info(), item->effectList(), true, true, deleteCommand);
+                new AddTimelineClipCommand(this, item->xml(), item->clipProducer(), item->info(), item->effectList(), false, false, true, true, deleteCommand);
             }
         }
     }
@@ -2507,6 +2744,9 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
     if (m_moveOpMode == SEEK) m_moveOpMode = NONE;
     QGraphicsView::mouseReleaseEvent(event);
     setViewportUpdateMode(QGraphicsView::MinimalViewportUpdate);
+#if QT_VERSION >= 0x040600
+    if (m_dragItem) m_dragItem->setGraphicsEffect(NULL);
+#endif
     if (m_scrollTimer.isActive()) m_scrollTimer.stop();
     if (event->button() == Qt::MidButton) {
         return;
@@ -2597,7 +2837,6 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
 
     if (m_operationMode == MOVE) {
         setCursor(Qt::OpenHandCursor);
-
         if (m_dragItem->parentItem() == 0) {
             // we are moving one clip, easy
             if (m_dragItem->type() == AVWIDGET && (m_dragItemInfo.startPos != info.startPos || m_dragItemInfo.track != info.track)) {
@@ -2606,14 +2845,16 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                 if (item->isAudioOnly()) prod = item->baseClip()->audioProducer(m_dragItemInfo.track);
                 else if (item->isVideoOnly()) prod = item->baseClip()->videoProducer();
                 else prod = item->baseClip()->producer(m_dragItemInfo.track);
-                bool success = m_document->renderer()->mltMoveClip((int)(m_document->tracksCount() - m_dragItemInfo.track), (int)(m_document->tracksCount() - m_dragItem->track()), (int) m_dragItemInfo.startPos.frames(m_document->fps()), (int)(m_dragItem->startPos().frames(m_document->fps())), prod);
+                bool success = m_document->renderer()->mltMoveClip((int)(m_document->tracksCount() - m_dragItemInfo.track), (int)(m_document->tracksCount() - m_dragItem->track()), (int) m_dragItemInfo.startPos.frames(m_document->fps()), (int)(m_dragItem->startPos().frames(m_document->fps())), prod, m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT);
 
                 if (success) {
+                    QUndoCommand *moveCommand = new QUndoCommand();
+                    moveCommand->setText(i18n("Move clip"));
+                    adjustTimelineClips(m_scene->editMode(), item, ItemInfo(), moveCommand);
+
                     int tracknumber = m_document->tracksCount() - item->track() - 1;
                     bool isLocked = m_document->trackInfoAt(tracknumber).isLocked;
                     if (isLocked) item->setItemLocked(true);
-                    QUndoCommand *moveCommand = new QUndoCommand();
-                    moveCommand->setText(i18n("Move clip"));
                     new MoveClipCommand(this, m_dragItemInfo, info, false, moveCommand);
                     // Also move automatic transitions (on lower track)
                     Transition *startTransition = getTransitionItemAtStart(m_dragItemInfo.startPos, m_dragItemInfo.track);
@@ -2654,6 +2895,7 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                                     // we have to move both transitions, remove the start one so that there is no collision
                                     new AddTransitionCommand(this, startTrInfo, startTransition->transitionEndTrack(), startTransition->toXML(), true, true, moveCommand);
                                 }
+                                adjustTimelineTransitions(m_scene->editMode(), tr, moveCommand);
                                 new MoveTransitionCommand(this, trInfo, newTrInfo, true, moveCommand);
                                 if (moveStartTrans) {
                                     // re-add transition in correct place
@@ -2661,13 +2903,17 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                                     if (m_dragItemInfo.track != info.track && !startTransition->forcedTrack()) {
                                         transTrack = getPreviousVideoTrack(info.track);
                                     }
+                                    adjustTimelineTransitions(m_scene->editMode(), startTransition, moveCommand);
                                     new AddTransitionCommand(this, newStartTrInfo, transTrack, startTransition->toXML(), false, true, moveCommand);
                                 }
                             }
                         }
                     }
 
-                    if (moveStartTrans && !moveEndTrans) new MoveTransitionCommand(this, startTrInfo, newStartTrInfo, true, moveCommand);
+                    if (moveStartTrans && !moveEndTrans) {
+                        adjustTimelineTransitions(m_scene->editMode(), startTransition, moveCommand);
+                        new MoveTransitionCommand(this, startTrInfo, newStartTrInfo, true, moveCommand);
+                    }
 
                     // Also move automatic transitions (on upper track)
                     Transition *tr = getTransitionItemAtStart(m_dragItemInfo.startPos, m_dragItemInfo.track - 1);
@@ -2681,7 +2927,10 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                                 // transition end should be adjusted to clip on upper track
                                 newTrInfo.endPos = newTrInfo.endPos + (newTrInfo.startPos - trInfo.startPos);
                             }
-                            if (newTrInfo.startPos < newTrInfo.endPos) new MoveTransitionCommand(this, trInfo, newTrInfo, true, moveCommand);
+                            if (newTrInfo.startPos < newTrInfo.endPos) {
+                                adjustTimelineTransitions(m_scene->editMode(), tr, moveCommand);
+                                new MoveTransitionCommand(this, trInfo, newTrInfo, true, moveCommand);
+                            }
                         }
                     }
                     if (m_dragItemInfo.track == info.track && (tr == NULL || tr->endPos() < m_dragItemInfo.endPos)) {
@@ -2699,11 +2948,15 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                                     // transition start should be moved
                                     newTrInfo.startPos = newTrInfo.startPos + (newTrInfo.endPos - trInfo.endPos);
                                 }
-                                if (newTrInfo.startPos < newTrInfo.endPos) new MoveTransitionCommand(this, trInfo, newTrInfo, true, moveCommand);
+                                if (newTrInfo.startPos < newTrInfo.endPos) {
+                                    adjustTimelineTransitions(m_scene->editMode(), tr, moveCommand);
+                                    new MoveTransitionCommand(this, trInfo, newTrInfo, true, moveCommand);
+                                }
                             }
                         }
                     }
                     m_commandStack->push(moveCommand);
+                    //checkTrackSequence(m_dragItem->track());
                 } else {
                     // undo last move and emit error message
                     bool snap = KdenliveSettings::snaptopoints();
@@ -2722,8 +2975,11 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                     emit displayMessage(i18n("Cannot move transition"), ErrorMessage);
                     transition->setPos((int) m_dragItemInfo.startPos.frames(m_document->fps()), (m_dragItemInfo.track) * m_tracksHeight + 1);
                 } else {
-                    MoveTransitionCommand *command = new MoveTransitionCommand(this, m_dragItemInfo, info, false);
-                    m_commandStack->push(command);
+                    QUndoCommand *moveCommand = new QUndoCommand();
+                    moveCommand->setText(i18n("Move transition"));
+                    adjustTimelineTransitions(m_scene->editMode(), transition, moveCommand);
+                    new MoveTransitionCommand(this, m_dragItemInfo, info, false, moveCommand);
+                    m_commandStack->push(moveCommand);
                 }
             }
         } else {
@@ -2738,6 +2994,8 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
             GenTime timeOffset = GenTime(m_dragItem->scenePos().x(), m_document->fps()) - m_dragItemInfo.startPos;
             const int trackOffset = (int)(m_dragItem->scenePos().y() / m_tracksHeight) - m_dragItemInfo.track;
             //kDebug() << "// MOVED SEVERAL CLIPS" << timeOffset.frames(25);
+            QUndoCommand *moveGroup = new QUndoCommand();
+            moveGroup->setText(i18n("Move group"));
             if (timeOffset != GenTime() || trackOffset != 0) {
                 // remove items in MLT playlist
 
@@ -2784,10 +3042,11 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                         ClipItem *clip = static_cast <ClipItem*>(item);
                         info.track = m_document->tracksCount() - info.track;
                         Mlt::Producer *prod;
+                        adjustTimelineClips(m_scene->editMode(), clip, ItemInfo(), moveGroup);
                         if (clip->isAudioOnly()) prod = clip->baseClip()->audioProducer(info.track);
                         else if (clip->isVideoOnly()) prod = clip->baseClip()->videoProducer();
                         else prod = clip->baseClip()->producer(info.track);
-                        m_document->renderer()->mltInsertClip(info, clip->xml(), prod);
+                        m_document->renderer()->mltInsertClip(info, clip->xml(), prod, m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT);
                         for (int i = 0; i < clip->effectsCount(); i++) {
                             m_document->renderer()->mltAddEffect(info.track, info.startPos, clip->getEffectArgs(clip->effectAt(i)), false);
                         }
@@ -2798,12 +3057,13 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
                             newTrack = getPreviousVideoTrack(info.track);
                         }
                         tr->updateTransitionEndTrack(newTrack);
+                        adjustTimelineTransitions(m_scene->editMode(), tr, moveGroup);
                         m_document->renderer()->mltAddTransition(tr->transitionTag(), newTrack, m_document->tracksCount() - info.track, info.startPos, info.endPos, tr->toXML());
                     }
                 }
 
-                MoveGroupCommand *move = new MoveGroupCommand(this, clipsToMove, transitionsToMove, timeOffset, trackOffset, false);
-                m_commandStack->push(move);
+                new MoveGroupCommand(this, clipsToMove, transitionsToMove, timeOffset, trackOffset, false, moveGroup);
+                m_commandStack->push(moveGroup);
 
                 //QPointF top = group->sceneBoundingRect().topLeft();
                 //QPointF oldpos = m_selectionGroup->scenePos();
@@ -2884,14 +3144,20 @@ void CustomTrackView::mouseReleaseEvent(QMouseEvent * event)
 
                 m_commandStack->push(resizeCommand);
             } else {
+                bool snap = KdenliveSettings::snaptopoints();
+                KdenliveSettings::setSnaptopoints(false);
                 m_dragItem->resizeStart((int) m_dragItemInfo.startPos.frames(m_document->fps()));
+                KdenliveSettings::setSnaptopoints(snap);
                 emit displayMessage(i18n("Error when resizing clip"), ErrorMessage);
             }
         } else if (m_dragItem->type() == TRANSITIONWIDGET) {
             Transition *transition = static_cast <Transition *>(m_dragItem);
             if (!m_document->renderer()->mltMoveTransition(transition->transitionTag(), (int)(m_document->tracksCount() - m_dragItemInfo.track), (int)(m_document->tracksCount() - m_dragItemInfo.track), transition->transitionEndTrack(), m_dragItemInfo.startPos, m_dragItemInfo.endPos, info.startPos, info.endPos)) {
                 // Cannot resize transition
+                bool snap = KdenliveSettings::snaptopoints();
+                KdenliveSettings::setSnaptopoints(false);
                 transition->resizeStart((int) m_dragItemInfo.startPos.frames(m_document->fps()));
+                KdenliveSettings::setSnaptopoints(snap);
                 emit displayMessage(i18n("Cannot resize transition"), ErrorMessage);
             } else {
                 MoveTransitionCommand *command = new MoveTransitionCommand(this, m_dragItemInfo, info, false);
@@ -3141,9 +3407,21 @@ void CustomTrackView::deleteClip(ItemInfo info, bool refresh)
     }*/
     m_waitingThumbs.removeAll(item);
     if (m_dragItem == item) m_dragItem = NULL;
-    scene()->removeItem(item);
+#if QT_VERSION >= 0x040600
+    // animate item deletion
+    item->closeAnimation();
+    /*if (refresh) item->closeAnimation();
+    else {
+        // no refresh, means we have several operations chained, we need to delete clip immediatly
+        // so that it does not get in the way of the other
+        delete item;
+        item = NULL;
+    }*/
+#else
     delete item;
     item = NULL;
+#endif
+
     setDocumentModified();
     if (refresh) m_document->renderer()->doRefresh();
 }
@@ -3193,7 +3471,7 @@ void CustomTrackView::deleteSelectedClips()
             ClipItem *item = static_cast <ClipItem *>(itemList.at(i));
             if (item->parentItem()) resetGroup = true;
             //kDebug()<<"// DELETE CLP AT: "<<item->info().startPos.frames(25);
-            new AddTimelineClipCommand(this, item->xml(), item->clipProducer(), item->info(), item->effectList(), true, true, deleteSelected);
+            new AddTimelineClipCommand(this, item->xml(), item->clipProducer(), item->info(), item->effectList(), false, false, true, true, deleteSelected);
             emit clipItemSelected(NULL);
         } else if (itemList.at(i)->type() == TRANSITIONWIDGET) {
             transitionCount++;
@@ -3253,7 +3531,10 @@ void CustomTrackView::doChangeClipSpeed(ItemInfo info, ItemInfo speedIndependant
         return;
     }
     info.track = m_document->tracksCount() - item->track();
-    int endPos = m_document->renderer()->mltChangeClipSpeed(info, speedIndependantInfo, speed, oldspeed, strobe, baseclip->producer());
+    int endPos;
+    if (item->isVideoOnly()) endPos = m_document->renderer()->mltChangeClipSpeed(info, speedIndependantInfo, speed, oldspeed, strobe, baseclip->videoProducer());
+    else if (item->isAudioOnly()) endPos = m_document->renderer()->mltChangeClipSpeed(info, speedIndependantInfo, speed, oldspeed, strobe, baseclip->audioProducer(item->track()));
+    else endPos = m_document->renderer()->mltChangeClipSpeed(info, speedIndependantInfo, speed, oldspeed, strobe, baseclip->producer());
     if (endPos >= 0) {
         item->setSpeed(speed, strobe);
         item->updateRectGeometry();
@@ -3325,7 +3606,7 @@ void CustomTrackView::doGroupClips(QList <ItemInfo> clipInfos, QList <ItemInfo>
                 m_document->clipManager()->removeGroup(grp);
                 scene()->destroyItemGroup(grp);
             }
-            clip->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
+            clip->setFlag(QGraphicsItem::ItemIsMovable, true);
         }
         for (int i = 0; i < transitionInfos.count(); i++) {
             Transition *tr = getTransitionItemAt(transitionInfos.at(i).startPos, transitionInfos.at(i).track);
@@ -3335,7 +3616,7 @@ void CustomTrackView::doGroupClips(QList <ItemInfo> clipInfos, QList <ItemInfo>
                 m_document->clipManager()->removeGroup(grp);
                 scene()->destroyItemGroup(grp);
             }
-            tr->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
+            tr->setFlag(QGraphicsItem::ItemIsMovable, true);
         }
         setDocumentModified();
         return;
@@ -3359,7 +3640,7 @@ void CustomTrackView::doGroupClips(QList <ItemInfo> clipInfos, QList <ItemInfo>
     setDocumentModified();
 }
 
-void CustomTrackView::addClip(QDomElement xml, const QString &clipId, ItemInfo info, EffectsList effects, bool refresh)
+void CustomTrackView::addClip(QDomElement xml, const QString &clipId, ItemInfo info, EffectsList effects, bool overwrite, bool push, bool refresh)
 {
     DocClipBase *baseclip = m_document->clipManager()->getClipById(clipId);
     if (baseclip == NULL) {
@@ -3383,13 +3664,13 @@ void CustomTrackView::addClip(QDomElement xml, const QString &clipId, ItemInfo i
     if (item->isAudioOnly()) prod = baseclip->audioProducer(info.track);
     else if (item->isVideoOnly()) prod = baseclip->videoProducer();
     else prod = baseclip->producer(info.track);
-    m_document->renderer()->mltInsertClip(info, xml, prod);
+    m_document->renderer()->mltInsertClip(info, xml, prod, overwrite, push);
     for (int i = 0; i < item->effectsCount(); i++) {
         m_document->renderer()->mltAddEffect(info.track, info.startPos, item->getEffectArgs(item->effectAt(i)), false);
     }
     setDocumentModified();
     if (refresh) m_document->renderer()->doRefresh();
-    m_waitingThumbs.append(item);
+    if (!baseclip->isPlaceHolder()) m_waitingThumbs.append(item);
     m_thumbsTimer.start();
 }
 
@@ -3419,6 +3700,7 @@ ClipItem *CustomTrackView::getClipItemAtEnd(GenTime pos, int track)
     QList<QGraphicsItem *> list = scene()->items(QPointF(framepos - 1, track * m_tracksHeight + m_tracksHeight / 2));
     ClipItem *clip = NULL;
     for (int i = 0; i < list.size(); i++) {
+        if (!list.at(i)->isEnabled()) continue;
         if (list.at(i)->type() == AVWIDGET) {
             ClipItem *test = static_cast <ClipItem *>(list.at(i));
             if (test->endPos() == pos) clip = test;
@@ -3433,6 +3715,7 @@ ClipItem *CustomTrackView::getClipItemAtStart(GenTime pos, int track)
     QList<QGraphicsItem *> list = scene()->items(QPointF(pos.frames(m_document->fps()), track * m_tracksHeight + m_tracksHeight / 2));
     ClipItem *clip = NULL;
     for (int i = 0; i < list.size(); i++) {
+        if (!list.at(i)->isEnabled()) continue;
         if (list.at(i)->type() == AVWIDGET) {
             ClipItem *test = static_cast <ClipItem *>(list.at(i));
             if (test->startPos() == pos) clip = test;
@@ -3448,6 +3731,7 @@ ClipItem *CustomTrackView::getClipItemAt(int pos, int track)
     QList<QGraphicsItem *> list = scene()->items(p);
     ClipItem *clip = NULL;
     for (int i = 0; i < list.size(); i++) {
+        if (!list.at(i)->isEnabled()) continue;
         if (list.at(i)->type() == AVWIDGET) {
             clip = static_cast <ClipItem *>(list.at(i));
             break;
@@ -3467,6 +3751,7 @@ Transition *CustomTrackView::getTransitionItemAt(int pos, int track)
     QList<QGraphicsItem *> list = scene()->items(p);
     Transition *clip = NULL;
     for (int i = 0; i < list.size(); i++) {
+        if (!list.at(i)->isEnabled()) continue;
         if (list.at(i)->type() == TRANSITIONWIDGET) {
             clip = static_cast <Transition *>(list.at(i));
             break;
@@ -3487,6 +3772,7 @@ Transition *CustomTrackView::getTransitionItemAtEnd(GenTime pos, int track)
     QList<QGraphicsItem *> list = scene()->items(p);
     Transition *clip = NULL;
     for (int i = 0; i < list.size(); i++) {
+        if (!list.at(i)->isEnabled()) continue;
         if (list.at(i)->type() == TRANSITIONWIDGET) {
             Transition *test = static_cast <Transition *>(list.at(i));
             if (test->endPos() == pos) clip = test;
@@ -3502,6 +3788,7 @@ Transition *CustomTrackView::getTransitionItemAtStart(GenTime pos, int track)
     QList<QGraphicsItem *> list = scene()->items(p);
     Transition *clip = NULL;
     for (int i = 0; i < list.size(); ++i) {
+        if (!list.at(i)->isEnabled()) continue;
         if (list.at(i)->type() == TRANSITIONWIDGET) {
             Transition *test = static_cast <Transition *>(list.at(i));
             if (test->startPos() == pos) clip = test;
@@ -3581,10 +3868,10 @@ void CustomTrackView::moveGroup(QList <ItemInfo> startClip, QList <ItemInfo> sta
             clip->setItemLocked(false);
             if (clip->parentItem()) {
                 m_selectionGroup->addToGroup(clip->parentItem());
-                clip->parentItem()->setFlags(QGraphicsItem::ItemIsSelectable);
+                clip->parentItem()->setFlag(QGraphicsItem::ItemIsMovable, false);
             } else {
                 m_selectionGroup->addToGroup(clip);
-                clip->setFlags(QGraphicsItem::ItemIsSelectable);
+                clip->setFlag(QGraphicsItem::ItemIsMovable, false);
             }
             m_document->renderer()->mltRemoveClip(m_document->tracksCount() - startClip.at(i).track, startClip.at(i).startPos);
         } else kDebug() << "//MISSING CLIP AT: " << startClip.at(i).startPos.frames(25);
@@ -3599,10 +3886,10 @@ void CustomTrackView::moveGroup(QList <ItemInfo> startClip, QList <ItemInfo> sta
             tr->setItemLocked(false);
             if (tr->parentItem()) {
                 m_selectionGroup->addToGroup(tr->parentItem());
-                tr->parentItem()->setFlags(QGraphicsItem::ItemIsSelectable);
+                tr->parentItem()->setFlag(QGraphicsItem::ItemIsMovable, false);
             } else {
                 m_selectionGroup->addToGroup(tr);
-                tr->setFlags(QGraphicsItem::ItemIsSelectable);
+                tr->setFlag(QGraphicsItem::ItemIsMovable, false);
             }
             m_document->renderer()->mltDeleteTransition(tr->transitionTag(), tr->transitionEndTrack(), m_document->tracksCount() - startTransition.at(i).track, startTransition.at(i).startPos, startTransition.at(i).endPos, tr->toXML());
         } else kDebug() << "//MISSING TRANSITION AT: " << startTransition.at(i).startPos.frames(25);
@@ -3853,7 +4140,7 @@ void CustomTrackView::updatePositionEffects(ClipItem * item, ItemInfo info)
         // Freeze effect needs to be adjusted with clip resize
         int diff = (info.startPos - item->startPos()).frames(m_document->fps());
         QDomElement eff = item->getEffectAt(effectPos);
-        if (!eff.isNull()) {
+        if (!eff.isNull() && diff != 0) {
             int freeze_pos = EffectsList::parameter(eff, "frame").toInt() + diff;
             EffectsList::setParameter(eff, "frame", QString::number(freeze_pos));
             if (item->isSelected() && item->selectedEffect().attribute("id") == "freeze") {
@@ -4060,7 +4347,7 @@ bool CustomTrackView::addGuide(const GenTime pos, const QString &comment)
             return false;
         }
     }
-    Guide *g = new Guide(this, pos, comment, m_tracksHeight * m_document->tracksCount());
+    Guide *g = new Guide(this, pos, comment, m_tracksHeight * m_document->tracksCount() * matrix().m22());
     scene()->addItem(g);
     m_guides.append(g);
     qSort(m_guides.begin(), m_guides.end(), sortGuidesList);
@@ -4159,8 +4446,8 @@ void CustomTrackView::setTool(PROJECTTOOL tool)
 
 void CustomTrackView::setScale(double scaleFactor, double verticalScale)
 {
-    QMatrix matrix;
-    matrix = matrix.scale(scaleFactor, verticalScale);
+    QMatrix newmatrix;
+    newmatrix = newmatrix.scale(scaleFactor, verticalScale);
     m_scene->setScale(scaleFactor, verticalScale);
     if (m_visualTip) {
         scene()->removeItem(m_visualTip);
@@ -4171,11 +4458,23 @@ void CustomTrackView::setScale(double scaleFactor, double verticalScale)
         m_visualTip = NULL;
     }
     double verticalPos = mapToScene(QPoint(0, viewport()->height() / 2)).y();
-    setMatrix(matrix);
-    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), m_tracksHeight * m_document->tracksCount() * verticalScale);
+    bool adjust = false;
+    if (verticalScale != matrix().m22()) adjust = true;
+    setMatrix(newmatrix);
+    if (adjust) {
+        double newHeight = m_tracksHeight * m_document->tracksCount() * matrix().m22();
+        m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), newHeight);
+        for (int i = 0; i < m_guides.count(); i++) {
+            QLineF l = m_guides.at(i)->line();
+            l.setP2(QPointF(l.x2(), newHeight));
+            m_guides.at(i)->setLine(l);
+        }
+        setSceneRect(0, 0, sceneRect().width(), m_tracksHeight * m_document->tracksCount());
+    }
+
     int diff = sceneRect().width() - m_projectDuration;
-    if (diff * matrix.m11() < 50) {
-        if (matrix.m11() < 0.4) setSceneRect(0, 0, (m_projectDuration + 100 / matrix.m11()), sceneRect().height());
+    if (diff * newmatrix.m11() < 50) {
+        if (newmatrix.m11() < 0.4) setSceneRect(0, 0, (m_projectDuration + 100 / newmatrix.m11()), sceneRect().height());
         else setSceneRect(0, 0, (m_projectDuration + 300), sceneRect().height());
     }
     centerOn(QPointF(cursorPos(), verticalPos));
@@ -4201,15 +4500,16 @@ void CustomTrackView::drawBackground(QPainter * painter, const QRectF &rect)
     double min = rect.left();
     double max = rect.right();
     painter->drawLine(QPointF(min, 0), QPointF(max, 0));
-    uint maxTrack = m_document->tracksCount();
+    int maxTrack = m_document->tracksCount();
     QColor lockedColor = scheme.background(KColorScheme::NegativeBackground).color();
     QColor audioColor = palette().alternateBase().color();
     QColor base = scheme.background(KColorScheme::NormalBackground).color();
-    for (uint i = 0; i < maxTrack; i++) {
+    for (int i = 0; i < maxTrack; i++) {
         TrackInfo info = m_document->trackInfoAt(maxTrack - i - 1);
-        if (info.isLocked || info.type == AUDIOTRACK) {
+        if (info.isLocked || info.type == AUDIOTRACK || i == m_selectedTrack) {
             const QRectF track(min, m_tracksHeight * i + 1, max - min, m_tracksHeight - 1);
-            painter->fillRect(track, info.isLocked ? lockedColor : audioColor);
+            if (i == m_selectedTrack) painter->fillRect(track, scheme.background(KColorScheme::ActiveBackground).color());
+            else painter->fillRect(track, info.isLocked ? lockedColor : audioColor);
         }
         painter->drawLine(QPointF(min, m_tracksHeight *(i + 1)), QPointF(max, m_tracksHeight *(i + 1)));
     }
@@ -4309,6 +4609,10 @@ void CustomTrackView::copyClip()
 
 bool CustomTrackView::canBePastedTo(ItemInfo info, int type) const
 {
+    if (m_scene->editMode() != NORMALEDIT) {
+        // If we are in overwrite mode, always allow the move
+        return true;
+    }
     QRectF rect((double) info.startPos.frames(m_document->fps()), (double)(info.track * m_tracksHeight + 1), (double)(info.endPos - info.startPos).frames(m_document->fps()), (double)(m_tracksHeight - 1));
     QList<QGraphicsItem *> collisions = scene()->items(rect, Qt::IntersectsItemBoundingRect);
     for (int i = 0; i < collisions.count(); i++) {
@@ -4407,7 +4711,7 @@ void CustomTrackView::pasteClip()
             info.endPos += offset;
             info.track += trackOffset;
             if (canBePastedTo(info, AVWIDGET)) {
-                new AddTimelineClipCommand(this, clip->xml(), clip->clipProducer(), info, clip->effectList(), true, false, pasteClips);
+                new AddTimelineClipCommand(this, clip->xml(), clip->clipProducer(), info, clip->effectList(), m_scene->editMode() == OVERWRITEEDIT, m_scene->editMode() == INSERTEDIT, true, false, pasteClips);
             } else emit displayMessage(i18n("Cannot paste clip to selected place"), ErrorMessage);
         } else if (m_copiedItems.at(i) && m_copiedItems.at(i)->type() == TRANSITIONWIDGET) {
             Transition *tr = static_cast <Transition *>(m_copiedItems.at(i));
@@ -4444,14 +4748,52 @@ void CustomTrackView::pasteClipEffects()
         if (clips.at(i)->type() == AVWIDGET) {
             ClipItem *item = static_cast < ClipItem *>(clips.at(i));
             for (int j = 0; j < clip->effectsCount(); j++) {
-                new AddEffectCommand(this, m_document->tracksCount() - item->track(), item->startPos(), clip->effectAt(j), true, paste);
+                QDomElement eff = clip->effectAt(j);
+                if (eff.attribute("unique", "0") == "0" || item->hasEffect(eff.attribute("tag"), eff.attribute("id")) == -1) {
+                    adjustKeyfames(clip->cropStart(), item->cropStart(), item->cropDuration(), eff);
+                    new AddEffectCommand(this, m_document->tracksCount() - item->track(), item->startPos(), eff, true, paste);
+                }
             }
         }
     }
     m_commandStack->push(paste);
+
+    // adjust effects (fades, ...)
+    for (int i = 0; i < clips.count(); ++i) {
+        ClipItem *item = static_cast < ClipItem *>(clips.at(i));
+        updatePositionEffects(item, item->info());
+    }
 }
 
 
+void CustomTrackView::adjustKeyfames(GenTime oldstart, GenTime newstart, GenTime duration, QDomElement xml)
+{
+    // parse parameters to check if we need to adjust to the new crop start
+    int diff = (newstart - oldstart).frames(m_document->fps());
+    int max = (newstart + duration).frames(m_document->fps());
+    QDomNodeList params = xml.elementsByTagName("parameter");
+    for (int i = 0; i < params.count(); i++) {
+        QDomElement e = params.item(i).toElement();
+        if (!e.isNull() && (e.attribute("type") == "keyframe" || e.attribute("type") == "simplekeyframe")) {
+            QString def = e.attribute("default");
+            // Effect has a keyframe type parameter, we need to adjust the values
+            QStringList keys = e.attribute("keyframes").split(";", QString::SkipEmptyParts);
+            QStringList newKeyFrames;
+            foreach(const QString &str, keys) {
+                int pos = str.section(':', 0, 0).toInt();
+                double val = str.section(':', 1, 1).toDouble();
+                pos += diff;
+                if (pos > max) {
+                    newKeyFrames.append(QString::number(max) + ':' + QString::number(val));
+                    break;
+                } else newKeyFrames.append(QString::number(pos) + ':' + QString::number(val));
+            }
+            //kDebug()<<"ORIGIN: "<<keys<<", FIXED: "<<newKeyFrames;
+            e.setAttribute("keyframes", newKeyFrames.join(";"));
+        }
+    }
+}
+
 ClipItem *CustomTrackView::getClipUnderCursor() const
 {
     QRectF rect((double) m_cursorPos, 0.0, 1.0, (double)(m_tracksHeight * m_document->tracksCount()));
@@ -4472,7 +4814,7 @@ AbstractClipItem *CustomTrackView::getMainActiveClip() const
     } else {
         AbstractClipItem *item = NULL;
         for (int i = 0; i < clips.count(); ++i) {
-            if (clips.count() == 1 || clips.at(i)->type() == AVWIDGET) {
+            if (clips.at(i)->type() == AVWIDGET) {
                 item = static_cast < AbstractClipItem *>(clips.at(i));
                 if (clips.count() > 1 && item->startPos().frames(m_document->fps()) <= m_cursorPos && item->endPos().frames(m_document->fps()) >= m_cursorPos) break;
             }
@@ -4573,6 +4915,7 @@ void CustomTrackView::setOutPoint()
 
 void CustomTrackView::slotUpdateAllThumbs()
 {
+    if (!isEnabled()) return;
     QList<QGraphicsItem *> itemList = items();
     //if (itemList.isEmpty()) return;
     ClipItem *item;
@@ -4745,7 +5088,7 @@ void CustomTrackView::deleteTimelineTrack(int ix, TrackInfo trackinfo)
     for (int i = 0; i < selection.count(); i++) {
         if (selection.at(i)->type() == AVWIDGET) {
             ClipItem *item =  static_cast <ClipItem *>(selection.at(i));
-            new AddTimelineClipCommand(this, item->xml(), item->clipProducer(), item->info(), item->effectList(), false, true, deleteTrack);
+            new AddTimelineClipCommand(this, item->xml(), item->clipProducer(), item->info(), item->effectList(), false, false, false, true, deleteTrack);
             m_scene->removeItem(item);
             delete item;
             item = NULL;
@@ -4964,7 +5307,7 @@ void CustomTrackView::doSplitAudio(const GenTime &pos, int track, bool split)
                 break;
             }
         }
-        clip->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
+        clip->setFlag(QGraphicsItem::ItemIsMovable, true);
         m_document->clipManager()->removeGroup(grp);
         scene()->destroyItemGroup(grp);
     }
@@ -5174,7 +5517,7 @@ void CustomTrackView::updateProjectFps()
             for (int j = 0; j < children.count(); j++) {
                 if (children.at(j)->type() == AVWIDGET || children.at(j)->type() == TRANSITIONWIDGET) {
                     AbstractClipItem *clip = static_cast <AbstractClipItem *>(children.at(j));
-                    clip->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
+                    clip->setFlag(QGraphicsItem::ItemIsMovable, true);
                     clip->updateFps(m_document->fps());
                 }
             }
@@ -5196,3 +5539,128 @@ void CustomTrackView::updateProjectFps()
     }
     viewport()->update();
 }
+
+void CustomTrackView::slotTrackDown()
+{
+    if (m_selectedTrack > m_document->tracksCount() - 2) m_selectedTrack = 0;
+    else m_selectedTrack++;
+    emit updateTrackHeaders();
+    QRectF rect(mapToScene(QPoint()).x(), m_selectedTrack * m_tracksHeight, 10, m_tracksHeight);
+    ensureVisible(rect);
+    viewport()->update();
+}
+
+void CustomTrackView::slotTrackUp()
+{
+    if (m_selectedTrack > 0) m_selectedTrack--;
+    else m_selectedTrack = m_document->tracksCount() - 1;
+    emit updateTrackHeaders();
+    QRectF rect(mapToScene(QPoint()).x(), m_selectedTrack * m_tracksHeight, 10, m_tracksHeight);
+    ensureVisible(rect);
+    viewport()->update();
+}
+
+int CustomTrackView::selectedTrack() const
+{
+    return m_selectedTrack;
+}
+
+void CustomTrackView::slotSelectTrack(int ix)
+{
+    m_selectedTrack = qMax(0, ix);
+    m_selectedTrack = qMin(ix, m_document->tracksCount() - 1);
+    emit updateTrackHeaders();
+    QRectF rect(mapToScene(QPoint()).x(), m_selectedTrack * m_tracksHeight, 10, m_tracksHeight);
+    ensureVisible(rect);
+    viewport()->update();
+}
+
+void CustomTrackView::selectClip(bool add, bool group)
+{
+    QRectF rect(m_cursorPos, m_selectedTrack * m_tracksHeight + m_tracksHeight / 2, 1, 1);
+    QList<QGraphicsItem *> selection = m_scene->items(rect);
+    resetSelectionGroup(group);
+    if (!group) m_scene->clearSelection();
+    for (int i = 0; i < selection.count(); i++) {
+        if (selection.at(i)->type() == AVWIDGET) {
+            selection.at(i)->setSelected(add);
+            break;
+        }
+    }
+    if (group) groupSelectedItems();
+}
+
+void CustomTrackView::selectTransition(bool add, bool group)
+{
+    QRectF rect(m_cursorPos, m_selectedTrack * m_tracksHeight + m_tracksHeight, 1, 1);
+    QList<QGraphicsItem *> selection = m_scene->items(rect);
+    resetSelectionGroup(group);
+    if (!group) m_scene->clearSelection();
+    for (int i = 0; i < selection.count(); i++) {
+        if (selection.at(i)->type() == TRANSITIONWIDGET) {
+            selection.at(i)->setSelected(add);
+            break;
+        }
+    }
+    if (group) groupSelectedItems();
+}
+
+QStringList CustomTrackView::extractTransitionsLumas()
+{
+    QStringList urls;
+    QList<QGraphicsItem *> itemList = items();
+    Transition *transitionitem;
+    QDomElement transitionXml;
+    for (int i = 0; i < itemList.count(); i++) {
+        if (itemList.at(i)->type() == TRANSITIONWIDGET) {
+            transitionitem = static_cast <Transition*>(itemList.at(i));
+            transitionXml = transitionitem->toXML();
+            QString luma = EffectsList::parameter(transitionXml, "luma");
+            if (!luma.isEmpty()) urls << luma;
+        }
+    }
+    return urls;
+}
+
+void CustomTrackView::setEditMode(EDITMODE mode)
+{
+    m_scene->setEditMode(mode);
+}
+
+void CustomTrackView::checkTrackSequence(int track)
+{
+    QList <int> times = m_document->renderer()->checkTrackSequence(m_document->tracksCount() - track);
+    //track = m_document->tracksCount() -track;
+    QRectF rect(0, track * m_tracksHeight + m_tracksHeight / 2, sceneRect().width(), 2);
+    QList<QGraphicsItem *> selection = m_scene->items(rect);
+    QList <int> timelineList;
+    timelineList.append(0);
+    for (int i = 0; i < selection.count(); i++) {
+        if (selection.at(i)->type() == AVWIDGET) {
+            ClipItem *clip = static_cast <ClipItem *>(selection.at(i));
+            int start = clip->startPos().frames(m_document->fps());
+            int end = clip->endPos().frames(m_document->fps());
+            if (!timelineList.contains(start)) timelineList.append(start);
+            if (!timelineList.contains(end)) timelineList.append(end);
+        }
+    }
+    qSort(timelineList);
+    kDebug() << "// COMPARE:\n" << times << "\n" << timelineList << "\n-------------------";
+    if (times != timelineList) KMessageBox::sorry(this, i18n("error"), i18n("TRACTOR"));
+}
+
+void CustomTrackView::insertZoneOverwrite(QStringList data, int in)
+{
+    DocClipBase *clip = m_document->getBaseClip(data.at(0));
+    ItemInfo info;
+    info.startPos = GenTime(in, m_document->fps());
+    info.cropStart = GenTime(data.at(1).toInt(), m_document->fps());
+    info.endPos = info.startPos + GenTime(data.at(2).toInt(), m_document->fps()) - info.cropStart;
+    info.cropDuration = info.endPos - info.startPos;
+    info.track = m_selectedTrack;
+    QUndoCommand *addCommand = new QUndoCommand();
+    addCommand->setText(i18n("Insert clip"));
+    adjustTimelineClips(OVERWRITEEDIT, NULL, info, addCommand);
+    new AddTimelineClipCommand(this, clip->toXML(), clip->getId(), info, EffectsList(), true, false, true, false, addCommand);
+    m_commandStack->push(addCommand);
+}