From 35a5c83d59396a357f49d73a7c5127cc06bbb686 Mon Sep 17 00:00:00 2001
From: Till Theato <root@ttill.de>
Date: Sun, 18 Jul 2010 11:39:37 +0000
Subject: [PATCH] Also show duration of group or selection the clip under the
 mouse is in in status bar: http://www.kdenlive.org/mantis/view.php?id=1576

svn path=/trunk/kdenlive/; revision=4596
---
 src/abstractgroupitem.cpp | 21 +++++++++++++++++++++
 src/abstractgroupitem.h   |  2 ++
 src/customtrackview.cpp   | 12 ++++++++++++
 3 files changed, 35 insertions(+)

diff --git a/src/abstractgroupitem.cpp b/src/abstractgroupitem.cpp
index 53f94057..e4286b65 100644
--- a/src/abstractgroupitem.cpp
+++ b/src/abstractgroupitem.cpp
@@ -420,3 +420,24 @@ void AbstractGroupItem::clearResizeInfos()
     // m_resizeInfos.clear() will crash in some cases for unknown reasons - ttill
     m_resizeInfos = QList <ItemInfo>();
 }
+
+GenTime AbstractGroupItem::duration()
+{
+    QList <QGraphicsItem *> children = childItems();
+    GenTime start = GenTime(-1.0);
+    GenTime end = GenTime();
+    for (int i = 0; i < children.count(); ++i) {
+        if (children.at(i)->type() != GROUPWIDGET) {
+            AbstractClipItem *item = static_cast <AbstractClipItem *>(children.at(i));
+            if (item) {
+                if (start < GenTime() || item->startPos() < start)
+                    start = item->startPos();
+                if (item->endPos() > end)
+                    end = item->endPos();
+            }
+        } else {
+            children << children.at(i)->childItems();
+        }
+    }
+    return end - start;
+}
diff --git a/src/abstractgroupitem.h b/src/abstractgroupitem.h
index bf080a26..23bf850c 100644
--- a/src/abstractgroupitem.h
+++ b/src/abstractgroupitem.h
@@ -52,6 +52,8 @@ public:
     QList <ItemInfo> resizeInfos();
     /** @brief Clears m_resizeInfos */
     void clearResizeInfos();
+    /** @brief Gets the duration (length) of the group. */
+    GenTime duration();
 
 protected:
     virtual QVariant itemChange(GraphicsItemChange change, const QVariant &value);
diff --git a/src/customtrackview.cpp b/src/customtrackview.cpp
index 8e475935..e61448e9 100644
--- a/src/customtrackview.cpp
+++ b/src/customtrackview.cpp
@@ -575,6 +575,18 @@ void CustomTrackView::mouseMoveEvent(QMouseEvent * event)
             QString message = ci->clipName() + i18n(":");
             message.append(i18n(" Position:") + m_document->timecode().getDisplayTimecode(ci->info().startPos, KdenliveSettings::frametimecode()));
             message.append(i18n(" Duration:") + m_document->timecode().getDisplayTimecode(ci->cropDuration(),  KdenliveSettings::frametimecode()));
+            if (clip->parentItem() && clip->parentItem()->type() == GROUPWIDGET) {
+                AbstractGroupItem *parent = static_cast <AbstractGroupItem *>(clip->parentItem());
+                if (clip->parentItem() == m_selectionGroup)
+                    message.append(i18n(" Selection duration:"));
+                else
+                    message.append(i18n(" Group duration:"));
+                message.append(m_document->timecode().getDisplayTimecode(parent->duration(), KdenliveSettings::frametimecode()));
+                if (parent->parentItem() && parent->parentItem()->type() == GROUPWIDGET) {
+                    AbstractGroupItem *parent2 = static_cast <AbstractGroupItem *>(parent->parentItem());
+                    message.append(i18n(" Selection duration:") + m_document->timecode().getDisplayTimecode(parent2->duration(), KdenliveSettings::frametimecode()));
+                }
+            }
             emit displayMessage(message, InformationMessage);
         } else if (opMode == RESIZESTART) {
             setCursor(KCursor("left_side", Qt::SizeHorCursor));
-- 
2.39.2