X-Git-Url: https://git.sesse.net/?a=blobdiff_plain;f=src%2Fcustomtrackview.cpp;h=be7920659d71ae1b3694d38d9156746bfb8a2b0f;hb=8fd1ef8af8fcf677e3ca004dd8614c046d9a17db;hp=e76cbc239a55bcd5f6b9a30f15dce4fcf585bad3;hpb=568cd7f8604f4db6610bf0d7bc07f45a5f1dcfb3;p=kdenlive

diff --git a/src/customtrackview.cpp b/src/customtrackview.cpp
index e76cbc23..be792065 100644
--- a/src/customtrackview.cpp
+++ b/src/customtrackview.cpp
@@ -21,228 +21,917 @@
 #include <QStylePainter>
 #include <QGraphicsItem>
 #include <QDomDocument>
+#include <QScrollBar>
 
 #include <KDebug>
 #include <KLocale>
 #include <KUrl>
+#include <KCursor>
 
 #include "customtrackview.h"
+#include "docclipbase.h"
 #include "clipitem.h"
 #include "definitions.h"
 #include "moveclipcommand.h"
+#include "resizeclipcommand.h"
+#include "addtimelineclipcommand.h"
+#include "addeffectcommand.h"
+#include "editeffectcommand.h"
+#include "addtransitioncommand.h"
+#include "edittransitioncommand.h"
+#include "kdenlivesettings.h"
+#include "transition.h"
+#include "clipitem.h"
+#include "customtrackview.h"
+#include "clipmanager.h"
+#include "renderer.h"
+//TODO:
+// disable animation if user asked it in KDE's global settings
+// http://lists.kde.org/?l=kde-commits&m=120398724717624&w=2
+// needs something like below (taken from dolphin)
+// #include <kglobalsettings.h>
+// const bool animate = KGlobalSettings::graphicEffectsLevel() & KGlobalSettings::SimpleAnimationEffects;
+// const int duration = animate ? 1500 : 1;
 
-CustomTrackView::CustomTrackView(KUndoStack *commandStack, QGraphicsScene * scene, QWidget *parent)
-    : QGraphicsView(scene, parent), m_commandStack(commandStack), m_tracksCount(0), m_cursorPos(0), m_dropItem(NULL), m_cursorLine(NULL), m_operationMode(0), m_startPos(QPointF()), m_dragItem(NULL)
-{
-  setMouseTracking(true);
-  setAcceptDrops(true);
+CustomTrackView::CustomTrackView(KdenliveDoc *doc, QGraphicsScene * projectscene, QWidget *parent)
+        : QGraphicsView(projectscene, parent), m_cursorPos(0), m_dropItem(NULL), m_cursorLine(NULL), m_operationMode(NONE), m_startPos(QPointF()), m_dragItem(NULL), m_visualTip(NULL), m_moveOpMode(NONE), m_animation(NULL), m_projectDuration(0), m_scale(1.0), m_clickPoint(QPoint()), m_document(doc), m_autoScroll(KdenliveSettings::autoscroll()), m_tracksHeight(KdenliveSettings::trackheight()) {
+    if (doc) m_commandStack = doc->commandStack();
+    else m_commandStack == NULL;
+    setMouseTracking(true);
+    setAcceptDrops(true);
+    m_animationTimer = new QTimeLine(800);
+    m_animationTimer->setFrameRange(0, 5);
+    m_animationTimer->setUpdateInterval(100);
+    m_animationTimer->setLoopCount(0);
+    m_tipColor = QColor(0, 192, 0, 200);
+    QColor border = QColor(255, 255, 255, 100);
+    m_tipPen.setColor(border);
+    m_tipPen.setWidth(3);
+    setContentsMargins(0, 0, 0, 0);
+    if (projectscene) {
+        m_cursorLine = projectscene->addLine(0, 0, 0, m_tracksHeight);
+        m_cursorLine->setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIgnoresTransformations);
+        m_cursorLine->setZValue(1000);
+    }
 }
 
-void CustomTrackView::initView()
-{
-  m_cursorLine = scene()->addLine(0, 0, 0, height());
+void CustomTrackView::setContextMenu(QMenu *timeline, QMenu *clip, QMenu *transition) {
+    m_timelineContextMenu = timeline;
+    m_timelineContextClipMenu = clip;
+    m_timelineContextTransitionMenu = transition;
 }
 
-// virtual
-void CustomTrackView::resizeEvent ( QResizeEvent * event )
-{
-  if (m_cursorLine) m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), height());
+void CustomTrackView::checkAutoScroll() {
+    m_autoScroll = KdenliveSettings::autoscroll();
 }
 
-// virtual 
-void CustomTrackView::mouseMoveEvent ( QMouseEvent * event )
-{
-  int pos = event->x();
-  if (event->modifiers() == Qt::ControlModifier)
-    setDragMode(QGraphicsView::ScrollHandDrag);
-  else if (event->modifiers() == Qt::ShiftModifier) 
-    setDragMode(QGraphicsView::RubberBandDrag);
-  else {
-    QList<QGraphicsItem *> itemList = items ( event->pos());
-    int i = 0;
-    QGraphicsItem *item = NULL;
+QList <TrackInfo> CustomTrackView::tracksList() const {
+    return m_tracksList;
+}
+
+void CustomTrackView::checkTrackHeight() {
+    if (m_tracksHeight == KdenliveSettings::trackheight()) return;
+    m_tracksHeight = KdenliveSettings::trackheight();
+    emit trackHeightChanged();
+    QList<QGraphicsItem *> itemList = items();
+    ClipItem *item;
+    Transition *transitionitem;
     for (int i = 0; i < itemList.count(); i++) {
-      if (itemList.at(i)->type() == 70000) {
-	item = itemList.at(i);
-	break;
-      }
+        if (itemList.at(i)->type() == AVWIDGET) {
+            item = (ClipItem*) itemList.at(i);
+            item->setRect(item->rect().x(), item->track() * m_tracksHeight, item->rect().width(), m_tracksHeight - 1);
+            item->resetThumbs();
+        } else if (itemList.at(i)->type() == TRANSITIONWIDGET) {
+            transitionitem = (Transition*) itemList.at(i);
+            transitionitem->setRect(transitionitem->rect().x(), transitionitem->track() * m_tracksHeight + m_tracksHeight / 2, transitionitem->rect().width(), m_tracksHeight - 1);
+        }
     }
-    if (item) {
-      int cursorPos = event->x();
-      QRectF itemRect = item->sceneBoundingRect();
-      int itemStart = mapFromScene(itemRect.x(), 0).x();
-      int itemEnd = mapFromScene(itemRect.x() + itemRect.width(), 0).x();
-      if (abs(itemStart - cursorPos) < 6 || abs(itemEnd - cursorPos) < 6)
-	setCursor(Qt::SizeHorCursor);
-      else setCursor(Qt::OpenHandCursor);
+    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), m_tracksHeight * m_tracksList.count());
+    setSceneRect(0, 0, sceneRect().width(), m_tracksHeight * m_tracksList.count());
+    verticalScrollBar()->setMaximum(m_tracksHeight * m_tracksList.count());
+    update();
+}
 
+// virtual
+void CustomTrackView::resizeEvent(QResizeEvent * event) {
+    QGraphicsView::resizeEvent(event);
+}
+
+// virtual
+void CustomTrackView::wheelEvent(QWheelEvent * e) {
+    if (e->modifiers() == Qt::ControlModifier) {
+        if (e->delta() > 0) emit zoomIn();
+        else emit zoomOut();
+    } else {
+        if (e->delta() > 0) horizontalScrollBar()->setValue(horizontalScrollBar()->value() + horizontalScrollBar()->singleStep());
+        else  horizontalScrollBar()->setValue(horizontalScrollBar()->value() - horizontalScrollBar()->singleStep());
     }
-    else {
-      setCursor(Qt::ArrowCursor);
+}
+
+int CustomTrackView::getPreviousVideoTrack(int track) {
+    track = m_tracksList.count() - track - 1;
+    int videoTracksCount = 0;
+    track --;
+    for (int i = track; i > -1; i--) {
+        if (m_tracksList.at(i).type == VIDEOTRACK) return i + 1;
     }
-  }
-  QGraphicsView::mouseMoveEvent(event);
+    return 0;
 }
 
-// virtual 
-void CustomTrackView::mousePressEvent ( QMouseEvent * event )
-{
-  int pos = event->x();
-  if (event->modifiers() == Qt::ControlModifier) 
-    setDragMode(QGraphicsView::ScrollHandDrag);
-  else if (event->modifiers() == Qt::ShiftModifier) 
-    setDragMode(QGraphicsView::RubberBandDrag);
-  else {
-    QGraphicsItem * item = itemAt(event->pos());
-    if (item) {
-      m_dragItem = (ClipItem *) item;
-      m_operationMode = m_dragItem->operationMode(item->mapFromScene(event->pos()));
-      if (m_operationMode != 2) m_startPos = QPointF(m_dragItem->rect().x(), m_dragItem->rect().y());
-      else m_startPos = QPointF(rect().x() + rect().width(), rect().y());
-      /*while (item->parentItem()) 
-	item = item->parentItem();
-
-	int cursorPos = event->x();
-	QRectF itemRect = item->sceneBoundingRect();
-	int itemStart = mapFromScene(itemRect.x(), 0).x();
-	int itemEnd = mapFromScene(itemRect.x() + itemRect.width(), 0).x();
-	if (abs(itemStart - cursorPos) < 6)
-	  ((ClipItem *) item )->setResizeMode(1);
-	else if (abs(itemEnd - cursorPos) < 6)
-	  ((ClipItem *) item )->setResizeMode(2);
-    */}
+// virtual
+void CustomTrackView::mouseMoveEvent(QMouseEvent * event) {
+    int pos = event->x();
+    emit mousePosition((int)(mapToScene(event->pos()).x() / m_scale));
+    /*if (event->modifiers() == Qt::ControlModifier)
+      setDragMode(QGraphicsView::ScrollHandDrag);
+    else if (event->modifiers() == Qt::ShiftModifier)
+      setDragMode(QGraphicsView::RubberBandDrag);
+    else*/
+    {
+
+        if (m_dragItem) { //event->button() == Qt::LeftButton) {
+            // a button was pressed, delete visual tips
+            if (m_operationMode == MOVE) {
+                double snappedPos = getSnapPointForPos(mapToScene(event->pos()).x() - m_clickPoint.x());
+                //kDebug() << "///////  MOVE CLIP, EVENT Y: "<<m_clickPoint.y();//<<event->scenePos().y()<<", SCENE HEIGHT: "<<scene()->sceneRect().height();
+                int moveTrack = (int)  mapToScene(event->pos() + QPoint(0, (m_dragItem->type() == TRANSITIONWIDGET ? m_tracksHeight - m_clickPoint.y() : 0))).y() / m_tracksHeight;
+                int currentTrack = m_dragItem->track();
+
+                if (moveTrack > m_tracksList.count() - 1) moveTrack = m_tracksList.count() - 1;
+                else if (moveTrack < 0) moveTrack = 0;
+
+                int offset = moveTrack - currentTrack;
+                if (offset != 0) offset = m_tracksHeight * offset;
+                m_dragItem->moveTo((int)(snappedPos / m_scale), m_scale, offset, moveTrack);
+            } else if (m_operationMode == RESIZESTART) {
+                double snappedPos = getSnapPointForPos(mapToScene(event->pos()).x());
+                m_dragItem->resizeStart((int)(snappedPos / m_scale), m_scale);
+            } else if (m_operationMode == RESIZEEND) {
+                double snappedPos = getSnapPointForPos(mapToScene(event->pos()).x());
+                m_dragItem->resizeEnd((int)(snappedPos / m_scale), m_scale);
+            } else if (m_operationMode == FADEIN) {
+                int pos = (int)(mapToScene(event->pos()).x() / m_scale);
+                m_dragItem->setFadeIn((int)(pos - m_dragItem->startPos().frames(m_document->fps())), m_scale);
+            } else if (m_operationMode == FADEOUT) {
+                int pos = (int)(mapToScene(event->pos()).x() / m_scale);
+                m_dragItem->setFadeOut((int)(m_dragItem->endPos().frames(m_document->fps()) - pos), m_scale);
+            }
+
+            if (m_animation) delete m_animation;
+            m_animation = NULL;
+            if (m_visualTip) delete m_visualTip;
+            m_visualTip = NULL;
+            QGraphicsView::mouseMoveEvent(event);
+            return;
+        }
+
+        QList<QGraphicsItem *> itemList = items(event->pos());
+        QGraphicsRectItem *item = NULL;
+        for (int i = 0; i < itemList.count(); i++) {
+            if (itemList.at(i)->type() == AVWIDGET || itemList.at(i)->type() == TRANSITIONWIDGET) {
+                item = (QGraphicsRectItem*) itemList.at(i);
+                break;
+            }
+        }
+        if (item && event->buttons() == Qt::NoButton) {
+            AbstractClipItem *clip = (AbstractClipItem*) item;
+            OPERATIONTYPE opMode = opMode = clip->operationMode(mapToScene(event->pos()), m_scale);
+            double size = 8;
+
+            if (opMode == m_moveOpMode) {
+                QGraphicsView::mouseMoveEvent(event);
+                return;
+            } else {
+                if (m_visualTip) {
+                    if (m_animation) delete m_animation;
+                    m_animation = NULL;
+                    m_animationTimer->stop();
+                    delete m_visualTip;
+                    m_visualTip = NULL;
+                }
+            }
+            m_moveOpMode = opMode;
+            if (opMode == MOVE) {
+                setCursor(Qt::OpenHandCursor);
+            } else if (opMode == RESIZESTART) {
+                setCursor(KCursor("left_side", Qt::SizeHorCursor));
+                kDebug() << "********  RESIZE CLIP START; WIDTH: " << size;
+                if (m_visualTip == NULL) {
+                    QPolygon polygon;
+                    polygon << QPoint((int)clip->rect().x(), (int)(clip->rect().y() + clip->rect().height() / 2 - size * 2));
+                    polygon << QPoint((int)(clip->rect().x() + size * 2), (int)(clip->rect().y() + clip->rect().height() / 2));
+                    polygon << QPoint((int)clip->rect().x(), (int)(clip->rect().y() + clip->rect().height() / 2 + size * 2));
+                    polygon << QPoint((int)clip->rect().x(), (int)(clip->rect().y() + clip->rect().height() / 2 - size * 2));
+
+                    m_visualTip = new QGraphicsPolygonItem(polygon);
+                    ((QGraphicsPolygonItem*) m_visualTip)->setBrush(m_tipColor);
+                    ((QGraphicsPolygonItem*) m_visualTip)->setPen(m_tipPen);
+                    m_visualTip->setZValue(100);
+                    m_animation = new QGraphicsItemAnimation;
+                    m_animation->setItem(m_visualTip);
+                    m_animation->setTimeLine(m_animationTimer);
+                    m_visualTip->setPos(0, 0);
+                    double scale = 2.0;
+                    m_animation->setScaleAt(.5, scale, 1);
+                    m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
+                    scale = 1.0;
+                    m_animation->setScaleAt(1, scale, 1);
+                    m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
+                    scene()->addItem(m_visualTip);
+                    m_animationTimer->start();
+                }
+            } else if (opMode == RESIZEEND) {
+                setCursor(KCursor("right_side", Qt::SizeHorCursor));
+                if (m_visualTip == NULL) {
+                    QPolygon polygon;
+                    polygon << QPoint((int)(clip->rect().x() + clip->rect().width()), (int)(clip->rect().y() + clip->rect().height() / 2 - size * 2));
+                    polygon << QPoint((int)(clip->rect().x() + clip->rect().width() - size * 2), (int)(clip->rect().y() + clip->rect().height() / 2));
+                    polygon << QPoint((int)(clip->rect().x() + clip->rect().width()), (int)(clip->rect().y() + clip->rect().height() / 2 + size * 2));
+                    polygon << QPoint((int)(clip->rect().x() + clip->rect().width()), (int)(clip->rect().y() + clip->rect().height() / 2 - size * 2));
+
+                    m_visualTip = new QGraphicsPolygonItem(polygon);
+                    ((QGraphicsPolygonItem*) m_visualTip)->setBrush(m_tipColor);
+                    ((QGraphicsPolygonItem*) m_visualTip)->setPen(m_tipPen);
+
+                    m_visualTip->setZValue(100);
+                    m_animation = new QGraphicsItemAnimation;
+                    m_animation->setItem(m_visualTip);
+                    m_animation->setTimeLine(m_animationTimer);
+                    m_visualTip->setPos(0, 0);
+                    double scale = 2.0;
+                    m_animation->setScaleAt(.5, scale, 1);
+                    m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale - clip->rect().width(), 0));
+                    scale = 1.0;
+                    m_animation->setScaleAt(1, scale, 1);
+                    m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, 0));
+                    scene()->addItem(m_visualTip);
+                    m_animationTimer->start();
+                }
+            } else if (opMode == FADEIN) {
+                if (m_visualTip == NULL) {
+                    m_visualTip = new QGraphicsEllipseItem(clip->rect().x() + clip->fadeIn() * m_scale - size, clip->rect().y() - 8, size * 2, 16);
+                    ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
+                    ((QGraphicsEllipseItem*) m_visualTip)->setPen(m_tipPen);
+                    m_visualTip->setZValue(100);
+                    m_animation = new QGraphicsItemAnimation;
+                    m_animation->setItem(m_visualTip);
+                    m_animation->setTimeLine(m_animationTimer);
+                    m_visualTip->setPos(0, 0);
+                    double scale = 2.0;
+                    m_animation->setScaleAt(.5, scale, scale);
+                    m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale -  clip->fadeIn() * m_scale, clip->rect().y() - clip->rect().y() * scale));
+                    scale = 1.0;
+                    m_animation->setScaleAt(1, scale, scale);
+                    m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, clip->rect().y() - clip->rect().y() * scale));
+                    scene()->addItem(m_visualTip);
+                    m_animationTimer->start();
+                }
+                setCursor(Qt::PointingHandCursor);
+            } else if (opMode == FADEOUT) {
+                if (m_visualTip == NULL) {
+                    m_visualTip = new QGraphicsEllipseItem(clip->rect().x() + clip->rect().width() - clip->fadeOut() * m_scale - size, clip->rect().y() - 8, size*2, 16);
+                    ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
+                    ((QGraphicsEllipseItem*) m_visualTip)->setPen(m_tipPen);
+                    m_visualTip->setZValue(100);
+                    m_animation = new QGraphicsItemAnimation;
+                    m_animation->setItem(m_visualTip);
+                    m_animation->setTimeLine(m_animationTimer);
+                    m_visualTip->setPos(0, 0);
+                    double scale = 2.0;
+                    m_animation->setScaleAt(.5, scale, scale);
+                    m_animation->setPosAt(.5, QPointF(clip->rect().x() - clip->rect().x() * scale - clip->rect().width() + clip->fadeOut() * m_scale, clip->rect().y() - clip->rect().y() * scale));
+                    scale = 1.0;
+                    m_animation->setScaleAt(1, scale, scale);
+                    m_animation->setPosAt(1, QPointF(clip->rect().x() - clip->rect().x() * scale, clip->rect().y() - clip->rect().y() * scale));
+                    scene()->addItem(m_visualTip);
+                    m_animationTimer->start();
+                }
+                setCursor(Qt::PointingHandCursor);
+            } else if (opMode == TRANSITIONSTART) {
+                if (m_visualTip == NULL) {
+                    m_visualTip = new QGraphicsEllipseItem(-5, -5 , 10, 10);
+                    ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
+                    ((QGraphicsEllipseItem*) m_visualTip)->setPen(m_tipPen);
+                    m_visualTip->setZValue(100);
+                    m_animation = new QGraphicsItemAnimation;
+                    m_animation->setItem(m_visualTip);
+                    m_animation->setTimeLine(m_animationTimer);
+                    m_visualTip->setPos(clip->rect().x() + 15, clip->rect().y() + clip->rect().height() / 2);
+                    double scale = 2.0;
+                    m_animation->setScaleAt(.5, scale, scale);
+                    scale = 1.0;
+                    m_animation->setScaleAt(1, scale, scale);
+                    scene()->addItem(m_visualTip);
+                    m_animationTimer->start();
+                }
+                setCursor(Qt::PointingHandCursor);
+            } else if (opMode == TRANSITIONEND) {
+                if (m_visualTip == NULL) {
+                    m_visualTip = new QGraphicsEllipseItem(-5, -5 , 10, 10);
+                    ((QGraphicsEllipseItem*) m_visualTip)->setBrush(m_tipColor);
+                    ((QGraphicsEllipseItem*) m_visualTip)->setPen(m_tipPen);
+                    m_visualTip->setZValue(100);
+                    m_animation = new QGraphicsItemAnimation;
+                    m_animation->setItem(m_visualTip);
+                    m_animation->setTimeLine(m_animationTimer);
+                    m_visualTip->setPos(clip->rect().x() + clip->rect().width() - 15 , clip->rect().y() + clip->rect().height() / 2);
+                    double scale = 2.0;
+                    m_animation->setScaleAt(.5, scale, scale);
+                    scale = 1.0;
+                    m_animation->setScaleAt(1, scale, scale);
+                    scene()->addItem(m_visualTip);
+                    m_animationTimer->start();
+                }
+                setCursor(Qt::PointingHandCursor);
+            }
+        } else {
+            m_moveOpMode = NONE;
+            if (event->buttons() != Qt::NoButton && event->modifiers() == Qt::NoModifier) {
+                setCursorPos((int)(mapToScene(event->pos().x(), 0).x() / m_scale));
+            }
+            if (m_visualTip) {
+                if (m_animation) delete m_animation;
+                m_animationTimer->stop();
+                m_animation = NULL;
+                delete m_visualTip;
+                m_visualTip = NULL;
+
+            }
+            setCursor(Qt::ArrowCursor);
+        }
+    }
+    QGraphicsView::mouseMoveEvent(event);
+}
+
+// virtual
+void CustomTrackView::mousePressEvent(QMouseEvent * event) {
+    activateMonitor();
+    int pos = event->x();
+    if (event->modifiers() == Qt::ControlModifier) {
+        setDragMode(QGraphicsView::ScrollHandDrag);
+        QGraphicsView::mousePressEvent(event);
+        return;
+    } else if (event->modifiers() == Qt::ShiftModifier) {
+        setDragMode(QGraphicsView::RubberBandDrag);
+        QGraphicsView::mousePressEvent(event);
+        return;
+    } else {
+        bool collision = false;
+        QList<QGraphicsItem *> collisionList = items(event->pos());
+        AbstractClipItem *clipItem = NULL, *transitionItem = NULL;
+        for (int i = 0; i < collisionList.size(); ++i) {
+            QGraphicsItem *item = collisionList.at(i);
+            if (item->type() == AVWIDGET || item->type() == TRANSITIONWIDGET) {
+                // select item
+                if (!item->isSelected()) {
+
+                    item->setSelected(true);
+                    update();
+                }
+
+                m_dragItem = (AbstractClipItem *) item;
+                if (item->type() == AVWIDGET) {
+                    clipItem = m_dragItem;
+                } else if (item->type() == TRANSITIONWIDGET) {
+                    transitionItem = m_dragItem;
+                }
+                m_clickPoint = QPoint((int)(mapToScene(event->pos()).x() - m_dragItem->startPos().frames(m_document->fps()) * m_scale), (int)(event->pos().y() - m_dragItem->rect().top()));
+                m_operationMode = m_dragItem->operationMode(item->mapFromScene(mapToScene(event->pos())), m_scale);
+                if (m_operationMode == MOVE) setCursor(Qt::ClosedHandCursor);
+                if (m_operationMode == MOVE || m_operationMode == RESIZESTART)
+                    m_startPos = QPointF(m_dragItem->startPos().frames(m_document->fps()), m_dragItem->track());
+                else if (m_operationMode == RESIZEEND)
+                    m_startPos = QPointF(m_dragItem->endPos().frames(m_document->fps()), m_dragItem->track());
+                else if (m_operationMode == TRANSITIONSTART) {
+                    Transition *tr = new Transition(
+                        QRect((int)(m_dragItem->startPos().frames(m_document->fps()) *m_scale) , (int)(m_dragItem->rect().y() + m_dragItem->rect().height() / 2),
+                              (int)(GenTime(2.5).frames(m_document->fps()) *m_scale) , (int)(m_dragItem->rect().height())
+                             ),
+                        (ClipItem*)m_dragItem, "luma" , m_dragItem->startPos(), m_dragItem->startPos() + GenTime(2.5), m_document->fps());
+                    tr->setTrack(m_dragItem->track());
+                    scene()->addItem(tr);
+                    //m_dragItem->addTransition(tra);
+                }
+                updateSnapPoints(m_dragItem);
+                kDebug() << "//////// ITEM CLICKED: " << m_startPos;
+                collision = true;
+                break;
+            }
+        }
+        emit clipItemSelected((ClipItem*) clipItem);
+        emit transitionItemSelected((Transition*) transitionItem);
+        if (!collision) {
+            kDebug() << "//////// NO ITEM FOUND ON CLICK";
+            m_dragItem = NULL;
+            setCursor(Qt::ArrowCursor);
+            QList<QGraphicsItem *> itemList = items();
+            for (int i = 0; i < itemList.count(); i++)
+                itemList.at(i)->setSelected(false);
+            //emit clipItemSelected(NULL);
+            if (event->button() == Qt::RightButton) {
+                displayContextMenu(event->globalPos());
+            } else setCursorPos((int)(mapToScene(event->x(), 0).x() / m_scale));
+        } else if (event->button() == Qt::RightButton) {
+            m_operationMode = NONE;
+            displayContextMenu(event->globalPos(), (ClipItem *) m_dragItem);
+            m_dragItem = NULL;
+        }
+    }
+    //kDebug()<<pos;
+    //QGraphicsView::mousePressEvent(event);
+}
+
+void CustomTrackView::displayContextMenu(QPoint pos, ClipItem *clip) {
+    m_timelineContextClipMenu->popup(pos);
+}
+
+void CustomTrackView::activateMonitor() {
+    emit activateDocumentMonitor();
+}
+
+void CustomTrackView::dragEnterEvent(QDragEnterEvent * event) {
+    if (event->mimeData()->hasFormat("kdenlive/producerslist")) {
+        kDebug() << "///////////////  DRAG ENTERED, TEXT: " << event->mimeData()->data("kdenlive/producerslist");
+        QStringList ids = QString(event->mimeData()->data("kdenlive/producerslist")).split(";");
+        //TODO: drop of several clips
+        for (int i = 0; i < ids.size(); ++i) {
+        }
+        DocClipBase *clip = m_document->getBaseClip(ids.at(0).toInt());
+        if (clip == NULL) kDebug() << " WARNING))))))))) CLIP NOT FOUND : " << ids.at(0).toInt();
+        addItem(clip, event->pos());
+        event->acceptProposedAction();
+    } else QGraphicsView::dragEnterEvent(event);
+}
+
+void CustomTrackView::slotRefreshEffects(ClipItem *clip) {
+    int track = m_tracksList.count() - clip->track();
+    GenTime pos = clip->startPos();
+    m_document->renderer()->mltRemoveEffect(track, pos, "-1", false);
+    for (int i = 0; i < clip->effectsCount(); i++) {
+        m_document->renderer()->mltAddEffect(track, pos, clip->getEffectArgs(clip->effectAt(i)), false);
+    }
+    m_document->renderer()->doRefresh();
+}
+
+void CustomTrackView::addEffect(int track, GenTime pos, QDomElement effect) {
+    ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()) + 1, m_tracksList.count() - track);
+    if (clip) {
+        QMap <QString, QString> effectParams = clip->addEffect(effect);
+        m_document->renderer()->mltAddEffect(track, pos, effectParams);
+        emit clipItemSelected(clip);
+    }
+}
+
+void CustomTrackView::deleteEffect(int track, GenTime pos, QDomElement effect) {
+    QString index = effect.attribute("kdenlive_ix");
+    m_document->renderer()->mltRemoveEffect(track, pos, index);
+    ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()) + 1, m_tracksList.count() - track);
+    if (clip) {
+        clip->deleteEffect(index);
+        emit clipItemSelected(clip);
+    }
+}
+
+void CustomTrackView::slotAddEffect(QDomElement effect, GenTime pos, int track) {
+    QList<QGraphicsItem *> itemList;
+    if (track == -1)
+        itemList = items();
     else {
-      setCursor(Qt::ArrowCursor);
-      emit cursorMoved((int) mapToScene(event->x(), 0).x());
+        ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()) + 1, track);
+        if (clip) itemList.append(clip);
+        else kDebug() << "------   wrning, clip eff not found";
+    }
+    kDebug() << "// REQUESTING EFFECT ON CLIP: " << pos.frames(25) << ", TRK: " << track;
+    for (int i = 0; i < itemList.count(); i++) {
+        if (itemList.at(i)->type() == AVWIDGET && (itemList.at(i)->isSelected() || track != -1)) {
+            ClipItem *item = (ClipItem *)itemList.at(i);
+            // the kdenlive_ix int is used to identify an effect in mlt's playlist, should
+            // not be changed
+            if (effect.attribute("kdenlive_ix").toInt() == 0)
+                effect.setAttribute("kdenlive_ix", QString::number(item->effectsCounter()));
+            AddEffectCommand *command = new AddEffectCommand(this, m_tracksList.count() - item->track(), item->startPos(), effect, true);
+            m_commandStack->push(command);
+        }
     }
-  }
-  //kDebug()<<pos;
-  QGraphicsView::mousePressEvent(event);
+    m_document->setModified(true);
 }
 
-void CustomTrackView::dragEnterEvent ( QDragEnterEvent * event )
-{
-  if (event->mimeData()->hasText()) {
-    QString clip = event->mimeData()->text();
-    addItem(clip, event->pos());
-    event->acceptProposedAction();
-  }
+void CustomTrackView::slotDeleteEffect(ClipItem *clip, QDomElement effect) {
+    AddEffectCommand *command = new AddEffectCommand(this, m_tracksList.count() - clip->track(), clip->startPos(), effect, false);
+    m_commandStack->push(command);
+    m_document->setModified(true);
 }
 
+void CustomTrackView::updateEffect(int track, GenTime pos, QDomElement effect) {
+    ClipItem *clip = getClipItemAt((int)pos.frames(m_document->fps()) + 1, m_tracksList.count() - track);
+    if (clip) {
+        QMap <QString, QString> effectParams = clip->getEffectArgs(effect);
+        if (effectParams["disabled"] == "1") {
+            QString index = effectParams["kdenlive_ix"];
+            m_document->renderer()->mltRemoveEffect(track, pos, index);
+        } else m_document->renderer()->mltEditEffect(m_tracksList.count() - clip->track(), clip->startPos(), effectParams);
+    }
+    m_document->setModified(true);
+}
 
-void CustomTrackView::addItem(QString producer, QPoint pos)
-{
-  QDomDocument doc;
-  doc.setContent(producer);
-  QDomElement elem = doc.documentElement();
-  int in = elem.attribute("in", 0).toInt();
-  int out = elem.attribute("duration", 0).toInt();
-  if (out == 0) out = elem.attribute("out", 0).toInt() - in;
-  kDebug()<<"ADDING CLIP: "<<producer<<", OUT: "<<out<<", POS: "<<mapToScene(pos);
-  int trackTop = ((int) mapToScene(pos).y()/50) * 50 + 1;
-  QString clipName = elem.attribute("name");
-  if (clipName.isEmpty()) clipName = KUrl(elem.attribute("resource")).fileName();
-  m_dropItem = new ClipItem(elem.attribute("type").toInt(), clipName, elem.attribute("id").toInt(), QRectF(mapToScene(pos).x(), trackTop, out, 49));
-  scene()->addItem(m_dropItem);
+void CustomTrackView::slotChangeEffectState(ClipItem *clip, QDomElement effect, bool disable) {
+    QDomElement oldEffect = effect.cloneNode().toElement();
+    effect.setAttribute("disabled", disable);
+    EditEffectCommand *command = new EditEffectCommand(this, m_tracksList.count() - clip->track(), clip->startPos(), oldEffect, effect, true);
+    m_commandStack->push(command);
+    m_document->setModified(true);
+}
+
+void CustomTrackView::slotUpdateClipEffect(ClipItem *clip, QDomElement oldeffect, QDomElement effect) {
+    EditEffectCommand *command = new EditEffectCommand(this, m_tracksList.count() - clip->track(), clip->startPos(), oldeffect, effect, true);
+    m_commandStack->push(command);
+}
+
+void CustomTrackView::slotAddTransition(ClipItem* clip , QDomElement transition, GenTime startTime , int startTrack) {
+    AddTransitionCommand* command = new AddTransitionCommand(this, startTrack, transition, startTime, true);
+    m_commandStack->push(command);
+    m_document->setModified(true);
+}
+
+void CustomTrackView::addTransition(int startTrack, GenTime startPos , QDomElement e) {
+    QMap < QString, QString> map;
+    QString s;
+    QTextStream tx(&s);
+    e.save(tx, 2);
+    kDebug() << "in" << s;
+
+    QDomNodeList attribs = e.elementsByTagName("parameter");
+    for (int i = 0;i < attribs.count();i++) {
+        QDomNamedNodeMap atts = attribs.item(i).attributes();
+        if (!atts.namedItem("value").nodeValue().isEmpty()) {
+            map[atts.namedItem("name").nodeValue()] = atts.namedItem("value").nodeValue();
+        } else {
+            map[atts.namedItem("name").nodeValue()] = atts.namedItem("default").nodeValue();
+        }
+
+    }
+    //map["resource"] = "%luma12.pgm";
+    kDebug() << "---- ADDING transition " << e.attribute("tag") << ", on tracks " << m_tracksList.count() - e.attribute("transition_track").toInt() << " / " << getPreviousVideoTrack(e.attribute("transition_track").toInt());
+    m_document->renderer()->mltAddTransition(e.attribute("tag"), getPreviousVideoTrack(e.attribute("transition_track").toInt()), m_tracksList.count() - e.attribute("transition_track").toInt() ,
+            GenTime(e.attribute("start").toInt(), m_document->renderer()->fps()),
+            GenTime(e.attribute("end").toInt(), m_document->renderer()->fps()),
+            map);
+
+    m_document->setModified(true);
+}
+
+void CustomTrackView::deleteTransition(int, GenTime, QDomElement e) {
+    QMap < QString, QString> map;
+    QDomNamedNodeMap attribs = e.attributes();
+    m_document->renderer()->mltDeleteTransition(e.attribute("tag"), getPreviousVideoTrack(e.attribute("transition_track").toInt()), m_tracksList.count() - e.attribute("transition_track").toInt() ,
+            GenTime(e.attribute("start").toInt(), m_document->renderer()->fps()),
+            GenTime(e.attribute("end").toInt(), m_document->renderer()->fps()),
+            map);
+    m_document->setModified(true);
+}
+
+void CustomTrackView::slotTransitionUpdated(QDomElement old, QDomElement newEffect) {
+    EditTransitionCommand *command = new EditTransitionCommand(this, newEffect.attribute("a_track").toInt(), GenTime(newEffect.attribute("start").toInt(), m_document->renderer()->fps()) , old, newEffect , true);
+    m_commandStack->push(command);
+    m_document->setModified(true);
+}
+
+void CustomTrackView::updateTransition(int track, GenTime pos, QDomElement oldTransition, QDomElement transition) {
+    QString s;
+    QTextStream tx(&s);
+    transition.save(tx, 2);
+    kDebug() << "in" << s;
+    QMap < QString, QString> map;
+
+    QDomNodeList attribs = transition.elementsByTagName("parameter");
+    for (int i = 0;i < attribs.count();i++) {
+        QDomNamedNodeMap atts = attribs.item(i).attributes();
+        if (!atts.namedItem("value").nodeValue().isEmpty()) {
+            map[atts.namedItem("name").nodeValue()] = atts.namedItem("value").nodeValue();
+        } else {
+            map[atts.namedItem("name").nodeValue()] = atts.namedItem("default").nodeValue();
+        }
+
+    }
+    m_document->renderer()->mltUpdateTransition(oldTransition.attribute("tag"), transition.attribute("tag"), m_tracksList.count() - 1  - transition.attribute("transition_track").toInt(), m_tracksList.count() - transition.attribute("transition_track").toInt() ,
+            GenTime(transition.attribute("start").toInt(), m_document->renderer()->fps()),
+            GenTime(transition.attribute("end").toInt(), m_document->renderer()->fps()),
+            map);
+    repaint();
+    m_document->setModified(true);
+}
+
+void CustomTrackView::addItem(DocClipBase *clip, QPoint pos) {
+    int in = 0;
+    GenTime out = clip->duration();
+    //kdDebug()<<"- - - -CREATING CLIP, duration = "<<out<<", URL: "<<clip->fileURL();
+    int trackTop = ((int) mapToScene(pos).y() / m_tracksHeight) * m_tracksHeight + 1;
+    m_dropItem = new ClipItem(clip, ((int) mapToScene(pos).y() / m_tracksHeight), GenTime(), QRectF(mapToScene(pos).x() * m_scale, trackTop, out.frames(m_document->fps()) * m_scale, m_tracksHeight - 1), out, m_document->fps());
+    scene()->addItem(m_dropItem);
 }
 
 
 void CustomTrackView::dragMoveEvent(QDragMoveEvent * event) {
-  event->setDropAction(Qt::IgnoreAction);
-  if (m_dropItem) {
-    int trackTop = ((int) mapToScene(event->pos()).y()/50) * 50 + 1;
-    m_dropItem->moveTo(mapToScene(event->pos()).x(), trackTop - m_dropItem->rect().y());
-  }
-        //if (item) {
-                event->setDropAction(Qt::MoveAction);
-                if (event->mimeData()->hasText()) {
-                        event->acceptProposedAction();
-                }
-        //}
+    event->setDropAction(Qt::IgnoreAction);
+    //kDebug()<<"+++++++++++++   DRAG MOVE, : "<<mapToScene(event->pos()).x()<<", SCAL: "<<m_scale;
+    if (m_dropItem) {
+        int track = (int)(event->pos().y() / m_tracksHeight);  //) * (m_scale * 50) + m_scale;
+        m_dropItem->moveTo((int)(mapToScene(event->pos()).x() / m_scale), m_scale, (double)(track - m_dropItem->track()) * m_tracksHeight, track);
+        event->setDropAction(Qt::MoveAction);
+        if (event->mimeData()->hasFormat("kdenlive/producerslist")) {
+            event->acceptProposedAction();
+        }
+    } else {
+        QGraphicsView::dragMoveEvent(event);
+    }
 }
 
-void CustomTrackView::dragLeaveEvent ( QDragLeaveEvent * event ) {
-  if (m_dropItem) delete m_dropItem;
-  m_dropItem = NULL;
+void CustomTrackView::dragLeaveEvent(QDragLeaveEvent * event) {
+    if (m_dropItem) {
+        delete m_dropItem;
+        m_dropItem = NULL;
+    } else QGraphicsView::dragLeaveEvent(event);
 }
 
-void CustomTrackView::dropEvent ( QDropEvent * event ) {
-  m_dropItem = NULL;
+void CustomTrackView::dropEvent(QDropEvent * event) {
+    if (m_dropItem) {
+        AddTimelineClipCommand *command = new AddTimelineClipCommand(this, m_dropItem->xml(), m_dropItem->clipProducer(), m_dropItem->track(), m_dropItem->startPos(), m_dropItem->rect(), m_dropItem->duration(), false, false);
+        m_commandStack->push(command);
+        m_dropItem->baseClip()->addReference();
+        m_document->updateClip(m_dropItem->baseClip()->getId());
+        // kDebug()<<"IIIIIIIIIIIIIIIIIIIIIIII TRAX CNT: "<<m_tracksList.count()<<", DROP: "<<m_dropItem->track();
+        m_document->renderer()->mltInsertClip(m_tracksList.count() - m_dropItem->track(), m_dropItem->startPos(), m_dropItem->xml());
+        m_document->setModified(true);
+    } else QGraphicsView::dropEvent(event);
+    m_dropItem = NULL;
 }
 
 
-QStringList CustomTrackView::mimeTypes () const
-{
+QStringList CustomTrackView::mimeTypes() const {
     QStringList qstrList;
     // list of accepted mime types for drop
     qstrList.append("text/plain");
+    qstrList.append("kdenlive/producerslist");
     return qstrList;
 }
 
-Qt::DropActions CustomTrackView::supportedDropActions () const
-{
+Qt::DropActions CustomTrackView::supportedDropActions() const {
     // returns what actions are supported when dropping
     return Qt::MoveAction;
 }
 
-void CustomTrackView::addTrack ()
-{
-  m_tracksCount++;
+void CustomTrackView::setDuration(int duration) {
+    kDebug() << "/////////////  PRO DUR: " << duration << ", SCALE. " << (m_projectDuration + 500) * m_scale << ", height: " << 50 * m_tracksList.count();
+    m_projectDuration = duration;
+    setSceneRect(0, 0, (m_projectDuration + 100) * m_scale, sceneRect().height());
 }
 
-void CustomTrackView::removeTrack ()
-{
-  m_tracksCount--;
+int CustomTrackView::duration() const {
+    return m_projectDuration;
 }
 
-void CustomTrackView::setCursorPos(int pos)
-{
-  m_cursorPos = pos;
-  m_cursorLine->setPos(pos, 0);
+void CustomTrackView::addTrack(TrackInfo type) {
+    m_tracksList << type;
+    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), m_tracksHeight * m_tracksList.count());
+    setSceneRect(0, 0, sceneRect().width(), m_tracksHeight * m_tracksList.count());
+    verticalScrollBar()->setMaximum(m_tracksHeight * m_tracksList.count());
+    //setFixedHeight(50 * m_tracksCount);
 }
 
-int CustomTrackView::cursorPos()
-{
-  return m_cursorPos;
+void CustomTrackView::removeTrack() {
+    // TODO: implement track deletion
+    //m_tracksCount--;
+    m_cursorLine->setLine(m_cursorLine->line().x1(), 0, m_cursorLine->line().x1(), m_tracksHeight * m_tracksList.count());
 }
 
-void CustomTrackView::mouseReleaseEvent ( QMouseEvent * event )
-{
-  QGraphicsView::mouseReleaseEvent(event);
-  setDragMode(QGraphicsView::NoDrag);
-  kDebug()<<"/// MOVING CLIP: "<<m_startPos<<", END: "<<QPoint(m_dragItem->rect().x(),m_dragItem->rect().y());
-  MoveClipCommand *command = new MoveClipCommand(this, m_startPos, QPointF(m_dragItem->rect().x(),m_dragItem->rect().y()), false);
-  m_commandStack->push(command);
-  
+
+void CustomTrackView::slotSwitchTrackAudio(int ix) {
+    int tracknumber = m_tracksList.count() - ix;
+    kDebug() << "/////  MUTING TRK: " << ix << "; PL NUM: " << tracknumber;
+    m_tracksList[tracknumber - 1].isMute = !m_tracksList.at(tracknumber - 1).isMute;
+    m_document->renderer()->mltChangeTrackState(tracknumber, m_tracksList.at(tracknumber - 1).isMute, m_tracksList.at(tracknumber - 1).isBlind);
 }
 
-void CustomTrackView::moveClip ( const QPointF &startPos, const QPointF &endPos )
-{
-  ClipItem *item = (ClipItem *) scene()->itemAt(startPos.x() + 1, startPos.y() + 1);
-  if (!item) {
-    kDebug()<<"----------------  ERROR, CANNOT find clip to move at: "<<startPos;
-    return;
-  }
-  item->setRect(QRectF(endPos.x(), endPos.y(), item->rect().width(), item->rect().height()));
-  QList <QGraphicsItem *> childrenList = item->children();
-  for (int i = 0; i < childrenList.size(); ++i) {
-    childrenList.at(i)->moveBy(endPos.x() - startPos.x() , endPos.y() - startPos.y());
-  }
+void CustomTrackView::slotSwitchTrackVideo(int ix) {
+    int tracknumber = m_tracksList.count() - ix;
+    m_tracksList[tracknumber - 1].isBlind = !m_tracksList.at(tracknumber - 1).isBlind;
+    m_document->renderer()->mltChangeTrackState(tracknumber, m_tracksList.at(tracknumber - 1).isMute, m_tracksList.at(tracknumber - 1).isBlind);
 }
 
+void CustomTrackView::deleteClip(int clipId) {
+    QList<QGraphicsItem *> itemList = items();
+    for (int i = 0; i < itemList.count(); i++) {
+        if (itemList.at(i)->type() == AVWIDGET) {
+            ClipItem *item = (ClipItem *)itemList.at(i);
+            if (item->clipProducer() == clipId) {
+                AddTimelineClipCommand *command = new AddTimelineClipCommand(this, item->xml(), item->clipProducer(), item->track(), item->startPos(), item->rect(), item->duration(), true, true);
+                m_commandStack->push(command);
+                //delete item;
+            }
+        }
+    }
+}
 
-void CustomTrackView::drawBackground ( QPainter * painter, const QRectF & rect )  
-{
-  //kDebug()<<"/////  DRAWING BG: "<<rect.x()<<", width: "<<rect.width();
-  painter->drawLine(rect.x(), 0, rect.x() + rect.width(), 0);
-    for (uint i = 0; i < m_tracksCount;i++)
-    {
-      painter->drawLine(rect.x(), 50 * (i+1), rect.x() + rect.width(), 50 * (i+1));
-      painter->drawText(QRectF(10, 50 * i, 100, 50 * i + 49), Qt::AlignLeft, i18n(" Track ") + QString::number(i));
+void CustomTrackView::setCursorPos(int pos, bool seek) {
+    emit cursorMoved((int)(m_cursorPos * m_scale), (int)(pos * m_scale));
+    m_cursorPos = pos;
+    m_cursorLine->setPos(pos * m_scale, 0);
+    if (seek) m_document->renderer()->seek(GenTime(pos, m_document->fps()));
+    else if (m_autoScroll && m_scale < 50) checkScrolling();
+}
+
+void CustomTrackView::updateCursorPos() {
+    m_cursorLine->setPos(m_cursorPos * m_scale, 0);
+}
+
+int CustomTrackView::cursorPos() {
+    return (int)(m_cursorPos * m_scale);
+}
+
+void CustomTrackView::checkScrolling() {
+    QRect rectInView = viewport()->rect();
+    int delta = rectInView.width() / 3;
+    int max = rectInView.right() + horizontalScrollBar()->value() - delta;
+    //kDebug() << "CURSOR POS: "<<m_cursorPos<< "Scale: "<<m_scale;
+    if (m_cursorPos * m_scale >= max) horizontalScrollBar()->setValue((int)(horizontalScrollBar()->value() + 1 + m_scale));
+}
+
+void CustomTrackView::mouseReleaseEvent(QMouseEvent * event) {
+    QGraphicsView::mouseReleaseEvent(event);
+    setDragMode(QGraphicsView::NoDrag);
+    if (m_dragItem == NULL) return;
+    if (m_operationMode == MOVE) setCursor(Qt::OpenHandCursor);
+    if (m_operationMode == MOVE && m_startPos.x() != m_dragItem->startPos().frames(m_document->fps())) {
+        // move clip
+        MoveClipCommand *command = new MoveClipCommand(this, m_startPos, QPointF(m_dragItem->startPos().frames(m_document->fps()), m_dragItem->track()), false);
+        m_commandStack->push(command);
+        if (m_dragItem->type() == AVWIDGET) m_document->renderer()->mltMoveClip((int)(m_tracksList.count() - m_startPos.y()), (int)(m_tracksList.count() - m_dragItem->track()), (int) m_startPos.x(), (int)(m_dragItem->startPos().frames(m_document->fps())));
+    } else if (m_operationMode == RESIZESTART) {
+        // resize start
+        ResizeClipCommand *command = new ResizeClipCommand(this, m_startPos, QPointF(m_dragItem->startPos().frames(m_document->fps()), m_dragItem->track()), true, false);
+
+        if (m_dragItem->type() == AVWIDGET) m_document->renderer()->mltResizeClipStart(m_tracksList.count() - m_dragItem->track(), m_dragItem->endPos(), m_dragItem->startPos(), GenTime((int)m_startPos.x(), m_document->fps()), m_dragItem->cropStart(), m_dragItem->cropStart() + m_dragItem->endPos() - m_dragItem->startPos());
+        m_commandStack->push(command);
+        m_document->renderer()->doRefresh();
+    } else if (m_operationMode == RESIZEEND) {
+        // resize end
+        ResizeClipCommand *command = new ResizeClipCommand(this, m_startPos, QPointF(m_dragItem->endPos().frames(m_document->fps()), m_dragItem->track()), false, false);
+
+        if (m_dragItem->type() == AVWIDGET) m_document->renderer()->mltResizeClipEnd(m_tracksList.count() - m_dragItem->track(), m_dragItem->startPos(), m_dragItem->cropStart(), m_dragItem->cropStart() + m_dragItem->endPos() - m_dragItem->startPos());
+        m_commandStack->push(command);
+        m_document->renderer()->doRefresh();
+    }
+    m_document->setModified(true);
+    m_operationMode = NONE;
+    m_dragItem = NULL;
+}
+
+void CustomTrackView::deleteClip(int track, GenTime startpos, const QRectF &rect) {
+    ClipItem *item = getClipItemAt(startpos, track);
+    if (!item) {
+        kDebug() << "----------------  ERROR, CANNOT find clip to move at: " << rect.x();
+        return;
+    }
+    item->baseClip()->removeReference();
+    m_document->updateClip(item->baseClip()->getId());
+    delete item;
+    m_document->renderer()->mltRemoveClip(m_tracksList.count() - track, startpos);
+    m_document->renderer()->doRefresh();
+}
+
+void CustomTrackView::deleteSelectedClips() {
+    QList<QGraphicsItem *> itemList = items();
+    for (int i = 0; i < itemList.count(); i++) {
+        if (itemList.at(i)->type() == AVWIDGET && itemList.at(i)->isSelected()) {
+            ClipItem *item = (ClipItem *) itemList.at(i);
+            AddTimelineClipCommand *command = new AddTimelineClipCommand(this, item->xml(), item->clipProducer(), item->track(), item->startPos(), item->rect(), item->duration(), true, true);
+            m_commandStack->push(command);
+        }
+    }
+}
+
+void CustomTrackView::addClip(QDomElement xml, int clipId, int track, GenTime startpos, const QRectF &rect, GenTime duration) {
+    QRect r((int)(startpos.frames(m_document->fps()) * m_scale), m_tracksHeight * track, (int)(duration.frames(m_document->fps()) * m_scale), m_tracksHeight - 1);
+    DocClipBase *baseclip = m_document->clipManager()->getClipById(clipId);
+    ClipItem *item = new ClipItem(baseclip, track, startpos, r, duration, m_document->fps());
+    scene()->addItem(item);
+    baseclip->addReference();
+    m_document->updateClip(baseclip->getId());
+    m_document->renderer()->mltInsertClip(m_tracksList.count() - track, startpos, xml);
+    m_document->renderer()->doRefresh();
+}
+
+ClipItem *CustomTrackView::getClipItemAt(int pos, int track) {
+    return (ClipItem *) scene()->itemAt(pos * m_scale, track * m_tracksHeight + m_tracksHeight / 2);
+}
+
+ClipItem *CustomTrackView::getClipItemAt(GenTime pos, int track) {
+    return (ClipItem *) scene()->itemAt(pos.frames(m_document->fps()) * m_scale, track * m_tracksHeight + m_tracksHeight / 2);
+}
+
+void CustomTrackView::moveClip(const QPointF &startPos, const QPointF &endPos) {
+    ClipItem *item = getClipItemAt((int)startPos.x() + 1, (int)startPos.y());
+    if (!item) {
+        kDebug() << "----------------  ERROR, CANNOT find clip to move at: " << startPos.x() * m_scale * FRAME_SIZE + 1 << ", " << startPos.y() * m_tracksHeight + m_tracksHeight / 2;
+        return;
+    }
+    kDebug() << "----------------  Move CLIP FROM: " << startPos.x() << ", END:" << endPos.x();
+    item->moveTo((int)endPos.x(), m_scale, (endPos.y() - startPos.y()) * m_tracksHeight, (int)endPos.y());
+    m_document->renderer()->mltMoveClip((int)(m_tracksList.count() - startPos.y()), (int)(m_tracksList.count() - endPos.y()), (int) startPos.x(), (int)endPos.x());
+}
+
+void CustomTrackView::resizeClip(const QPointF &startPos, const QPointF &endPos, bool resizeClipStart) {
+    int offset;
+    if (resizeClipStart) offset = 1;
+    else offset = -1;
+    ClipItem *item = getClipItemAt((int)(startPos.x() + offset), (int) startPos.y());
+    if (!item) {
+        kDebug() << "----------------  ERROR, CANNOT find clip to resize at: " << startPos;
+        return;
+    }
+    qreal diff = endPos.x() - startPos.x();
+    if (resizeClipStart) {
+        m_document->renderer()->mltResizeClipStart(m_tracksList.count() - item->track(), item->endPos(), GenTime((int)endPos.x(), m_document->fps()), item->startPos(), item->cropStart() + GenTime((int)diff, m_document->fps()), item->cropStart() + GenTime((int)diff, m_document->fps()) + item->endPos() - GenTime((int)endPos.x(), m_document->fps()));
+        item->resizeStart((int)endPos.x(), m_scale);
+    } else {
+        m_document->renderer()->mltResizeClipEnd(m_tracksList.count() - item->track(), item->startPos(), item->cropStart(), item->cropStart() + GenTime((int)endPos.x(), m_document->fps()) - item->startPos());
+        item->resizeEnd((int)endPos.x(), m_scale);
+    }
+    m_document->renderer()->doRefresh();
+}
+
+double CustomTrackView::getSnapPointForPos(double pos) {
+    for (int i = 0; i < m_snapPoints.size(); ++i) {
+        if (abs((int)(pos - m_snapPoints.at(i).frames(m_document->fps()) * m_scale)) < 10) {
+            //kDebug()<<" FOUND SNAP POINT AT: "<<m_snapPoints.at(i)<<", current pos: "<<pos / m_scale;
+            return m_snapPoints.at(i).frames(m_document->fps()) * m_scale + 0.5;
+        }
+        if (m_snapPoints.at(i).frames(m_document->fps() * m_scale) > pos) break;
+    }
+    return pos;
+}
+
+void CustomTrackView::updateSnapPoints(AbstractClipItem *selected) {
+    m_snapPoints.clear();
+    GenTime offset;
+    if (selected) offset = selected->duration();
+    QList<QGraphicsItem *> itemList = items();
+    for (int i = 0; i < itemList.count(); i++) {
+        if (itemList.at(i)->type() == AVWIDGET && itemList.at(i) != selected) {
+            ClipItem *item = (ClipItem *)itemList.at(i);
+            GenTime start = item->startPos();
+            GenTime end = item->endPos();
+            m_snapPoints.append(start);
+            m_snapPoints.append(end);
+            if (offset != GenTime()) {
+                if (start > offset) m_snapPoints.append(start - offset);
+                if (end > offset) m_snapPoints.append(end - offset);
+            }
+        }
+    }
+    qSort(m_snapPoints);
+    //for (int i = 0; i < m_snapPoints.size(); ++i)
+    //    kDebug() << "SNAP POINT: " << m_snapPoints.at(i).frames(25);
+}
+
+
+void CustomTrackView::setScale(double scaleFactor) {
+    //scale(scaleFactor, scaleFactor);
+    double pos = cursorPos() / m_scale;
+    m_scale = scaleFactor;
+    kDebug() << " HHHHHHHH  SCALING: " << m_scale;
+    QList<QGraphicsItem *> itemList = items();
+
+    for (int i = 0; i < itemList.count(); i++) {
+        if (itemList.at(i)->type() == AVWIDGET || itemList.at(i)->type() == TRANSITIONWIDGET) {
+            AbstractClipItem *clip = (AbstractClipItem *)itemList.at(i);
+            clip->setRect(clip->startPos().frames(m_document->fps()) * m_scale, clip->rect().y(), clip->duration().frames(m_document->fps()) * m_scale, clip->rect().height());
+        }
+    }
+    updateCursorPos();
+    centerOn(QPointF(cursorPos(), m_tracksHeight));
+    setSceneRect(0, 0, (m_projectDuration + 100) * m_scale, sceneRect().height());
+}
+
+void CustomTrackView::drawBackground(QPainter * painter, const QRectF & rect) {
+    QRect rectInView = viewport()->rect();
+    rectInView.moveTo(horizontalScrollBar()->value(), verticalScrollBar()->value());
+
+    QColor base = palette().button().color();
+    painter->setClipRect(rect);
+    painter->drawLine(rectInView.left(), 0, rectInView.right(), 0);
+    uint max = m_tracksList.count();
+    for (uint i = 0; i < max;i++) {
+        if (m_tracksList.at(max - i - 1).type == AUDIOTRACK) painter->fillRect(rectInView.left(), m_tracksHeight * i + 1, rectInView.right() - rectInView.left() + 1, m_tracksHeight - 1, QBrush(QColor(240, 240, 255)));
+        painter->drawLine(rectInView.left(), m_tracksHeight * (i + 1), rectInView.right(), m_tracksHeight * (i + 1));
+        //painter->drawText(QRectF(10, 50 * i, 100, 50 * i + 49), Qt::AlignLeft, i18n(" Track ") + QString::number(i + 1));
     }
+    int lowerLimit = m_tracksHeight * m_tracksList.count() + 1;
+    if (height() > lowerLimit)
+        painter->fillRect(QRectF(rectInView.left(), lowerLimit, rectInView.width(), height() - lowerLimit), QBrush(base));
 }
 /*
-void CustomTrackView::drawForeground ( QPainter * painter, const QRectF & rect )  
+void CustomTrackView::drawForeground ( QPainter * painter, const QRectF & rect )
 {
   //kDebug()<<"/////  DRAWING FB: "<<rect.x()<<", width: "<<rect.width();
   painter->fillRect(rect, QColor(50, rand() % 250,50,100));