* show image thumbnail in marker creation dialog

[kdenlive] / src / markerdialog.cpp

diff --git a/src/markerdialog.cpp b/src/markerdialog.cpp
index 91b0b37f253fed5f22243e8df91bf6d5cf2f08d7..8b7516b7fddb5a45df8a15f3681d11ea221055d7 100644 (file)
--- a/src/markerdialog.cpp
+++ b/src/markerdialog.cpp
@@ -21,20 +21,81 @@
 #include <KDebug>
 
 #include "markerdialog.h"
+#include "kthumb.h"
+#include "kdenlivesettings.h"
 
 MarkerDialog::MarkerDialog(DocClipBase *clip, CommentedTime t, Timecode tc, QWidget * parent): QDialog(parent), m_tc(tc), m_clip(clip), m_marker(t) {
     setFont(KGlobalSettings::toolBarFont());
     m_fps = m_tc.fps();
     m_view.setupUi(this);
-    m_view.marker_position->setText(tc.getTimecode(t.time(), tc.fps()));
+
+    m_previewTimer = new QTimer(this);
+    m_previewTimer->setInterval(500);
+    connect(m_previewTimer, SIGNAL(timeout()), this, SLOT(slotUpdateThumb()));
+
+    m_profile = new Mlt::Profile((char*) KdenliveSettings::current_profile().data());
+    m_dar = m_profile->dar();
+    QDomDocument doc;
+    QDomElement westley = doc.createElement("westley");
+    QDomElement play = doc.createElement("playlist");
+    doc.appendChild(westley);
+    westley.appendChild(play);
+    play.appendChild(doc.importNode(clip->toXML(), true));
+    //char *tmp = doc.toString().toUtf8().data();
+    m_producer = new Mlt::Producer(*m_profile, "westley-xml", doc.toString().toUtf8().data());
+    //delete[] tmp;
+
+    m_view.marker_position->setText(tc.getTimecode(t.time(), m_fps));
     m_view.marker_comment->setText(t.comment());
     connect(m_view.position_up, SIGNAL(clicked()), this, SLOT(slotTimeUp()));
     connect(m_view.position_down, SIGNAL(clicked()), this, SLOT(slotTimeDown()));
+
     m_view.marker_comment->selectAll();
     m_view.marker_comment->setFocus();
+    QPixmap p;
+    QString colour = clip->getProperty("colour");
+    switch (m_clip->clipType()) {
+    case VIDEO:
+    case AV:
+    case SLIDESHOW:
+    case PLAYLIST:
+        connect(this, SIGNAL(updateThumb()), m_previewTimer, SLOT(start()));
+    case IMAGE:
+    case TEXT:
+        p = KThumb::getFrame(*m_producer, t.time().frames(m_fps), (int)(100 * m_dar), 100);
+        break;
+    case COLOR:
+        colour = colour.replace(0, 2, "#");
+        p = QPixmap(m_view.clip_thumb->width(), m_view.clip_thumb->height());
+        p.fill(QColor(colour.left(7)));
+        break;
+    default:
+        p = QPixmap(m_view.clip_thumb->width(), m_view.clip_thumb->height());
+        p.fill(Qt::black);
+    }
+    if (!p.isNull()) {
+        m_view.clip_thumb->setFixedWidth(p.width());
+        m_view.clip_thumb->setFixedHeight(p.height());
+        m_view.clip_thumb->setPixmap(p);
+    }
+    connect(m_view.marker_position, SIGNAL(textChanged(const QString &)), this, SIGNAL(updateThumb()));
     adjustSize();
 }
 
+MarkerDialog::~MarkerDialog() {
+    delete m_previewTimer;
+    if (m_producer) delete m_producer;
+    if (m_profile) delete m_profile;
+}
+
+void MarkerDialog::slotUpdateThumb() {
+    m_previewTimer->stop();
+    int pos = m_tc.getFrameCount(m_view.marker_position->text(), m_fps);
+    kDebug() << "// getting thumb for: " << pos;
+    QPixmap p = KThumb::getFrame(*m_producer, pos, (int)(100 * m_dar), 100);
+    if (!p.isNull()) m_view.clip_thumb->setPixmap(p);
+    else kDebug() << "!!!!!!!!!!!  ERROR CREATING THUMB";
+}
 
 void MarkerDialog::slotTimeUp() {
     int duration = m_tc.getFrameCount(m_view.marker_position->text(), m_fps);