From: Jean-Baptiste Mardelle <jb@kdenlive.org>
Date: Tue, 27 Oct 2009 15:28:42 +0000 (+0000)
Subject: animate clip deletion (Qt 4.3)
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=771bc1441771b8d45e51cdef07ef7bc180251ba1;p=kdenlive

animate clip deletion (Qt 4.3)

svn path=/trunk/kdenlive/; revision=4069
---

diff --git a/src/abstractclipitem.cpp b/src/abstractclipitem.cpp
index c3149852..7e7e329d 100644
--- a/src/abstractclipitem.cpp
+++ b/src/abstractclipitem.cpp
@@ -37,6 +37,9 @@ AbstractClipItem::AbstractClipItem(const ItemInfo info, const QRectF& rect, doub
         m_selectedKeyframe(0),
         m_keyframeFactor(1),
         m_fps(fps)
+#if QT_VERSION >= 0x040600	
+	, m_closeAnimation(NULL)
+#endif
 {
     setFlags(QGraphicsItem::ItemIsMovable | QGraphicsItem::ItemIsSelectable);
 #if QT_VERSION >= 0x040600
@@ -44,6 +47,33 @@ AbstractClipItem::AbstractClipItem(const ItemInfo info, const QRectF& rect, doub
 #endif
 }
 
+AbstractClipItem::~AbstractClipItem()
+{
+#if QT_VERSION >= 0x040600
+    if (m_closeAnimation) delete m_closeAnimation;
+#endif  
+}  
+ 
+void AbstractClipItem::closeAnimation()
+{
+#if QT_VERSION >= 0x040600
+    if (m_closeAnimation) return;
+    m_closeAnimation = new QPropertyAnimation(this, "rect");
+    connect(m_closeAnimation, SIGNAL(finished()), this, SLOT(deleteLater()));
+    m_closeAnimation->setDuration(200);
+    QRectF r = rect();
+    QRectF r2 = r;
+    r2.setLeft(r.left() + r.width() / 2);
+    r2.setTop(r.top() + r.height() / 2);
+    r2.setWidth(1);
+    r2.setHeight(1);
+    m_closeAnimation->setStartValue(r);
+    m_closeAnimation->setEndValue(r2);
+    m_closeAnimation->setEasingCurve(QEasingCurve::InQuad);
+    m_closeAnimation->start();
+#endif
+}
+
 ItemInfo AbstractClipItem::info() const
 {
     ItemInfo info = m_info;
diff --git a/src/abstractclipitem.h b/src/abstractclipitem.h
index 09fd98d4..7cf0d5fa 100644
--- a/src/abstractclipitem.h
+++ b/src/abstractclipitem.h
@@ -22,17 +22,28 @@
 #define ABSTRACTCLIPITEM
 
 #include <QGraphicsRectItem>
+#include <QGraphicsWidget>
+
+#if QT_VERSION >= 0x040600
+#include <QPropertyAnimation>
+#endif
+
 #include "definitions.h"
 #include "gentime.h"
 
 class CustomTrackScene;
 class QGraphicsSceneMouseEvent;
 
-class AbstractClipItem : public QObject , public QGraphicsRectItem
+class AbstractClipItem : public QObject, public QGraphicsRectItem
 {
     Q_OBJECT
+#if QT_VERSION >= 0x040600
+    Q_PROPERTY(QRectF rect READ rect WRITE setRect)
+#endif
+
 public:
     AbstractClipItem(const ItemInfo info, const QRectF& rect, double fps);
+    virtual ~ AbstractClipItem();
     void updateSelectedKeyFrame();
     void updateKeyFramePos(const GenTime pos, const double value);
     void addKeyFrame(const GenTime pos, const double value);
@@ -46,7 +57,8 @@ public:
     void updateItem();
     void setItemLocked(bool locked);
     bool isItemLocked() const;
-
+    void closeAnimation();
+    
     virtual  OPERATIONTYPE operationMode(QPointF pos) = 0;
     virtual GenTime startPos() const ;
     virtual void setTrack(int track);
@@ -79,6 +91,11 @@ protected:
     void drawKeyFrames(QPainter *painter, QRectF exposedRect);
     int mouseOverKeyFrames(QPointF pos, double maxOffset);
     virtual void mousePressEvent(QGraphicsSceneMouseEvent * event);
+    
+private:
+#if QT_VERSION >= 0x040600
+    QPropertyAnimation *m_closeAnimation;
+#endif
 };
 
 #endif
diff --git a/src/clipitem.cpp b/src/clipitem.cpp
index 71687d87..5c21201c 100644
--- a/src/clipitem.cpp
+++ b/src/clipitem.cpp
@@ -116,6 +116,7 @@ ClipItem::ClipItem(DocClipBase *clip, ItemInfo info, double fps, double speed, i
 ClipItem::~ClipItem()
 {
     blockSignals(true);
+    if (scene()) scene()->removeItem(this);
     if (m_clipType == VIDEO || m_clipType == AV || m_clipType == SLIDESHOW || m_clipType == PLAYLIST) {
         disconnect(m_clip->thumbProducer(), SIGNAL(thumbReady(int, QImage)), this, SLOT(slotThumbReady(int, QImage)));
         disconnect(m_clip, SIGNAL(gotAudioData()), this, SLOT(slotGotAudioData()));
diff --git a/src/customtrackview.cpp b/src/customtrackview.cpp
index 4dd28fd6..5658ceec 100644
--- a/src/customtrackview.cpp
+++ b/src/customtrackview.cpp
@@ -3287,9 +3287,14 @@ 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();
+#else
     delete item;
     item = NULL;
+#endif
+    
     setDocumentModified();
     if (refresh) m_document->renderer()->doRefresh();
 }
diff --git a/src/transition.cpp b/src/transition.cpp
index faca57f4..84507918 100644
--- a/src/transition.cpp
+++ b/src/transition.cpp
@@ -66,6 +66,8 @@ Transition::Transition(const ItemInfo info, int transitiontrack, double fps, QDo
 
 Transition::~Transition()
 {
+    blockSignals(true);
+    if (scene()) scene()->removeItem(this);
 }
 
 Transition *Transition::clone()