From: Marco Gittler <marco@gitma.de>
Date: Wed, 19 Mar 2008 10:06:41 +0000 (+0000)
Subject: function for transition delete
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=f690c28b69283c8850108b3b2a61fa5d4fbcb5ea;p=kdenlive

function for transition delete

svn path=/branches/KDE4/; revision=2080
---

diff --git a/src/addtransitioncommand.cpp b/src/addtransitioncommand.cpp
index 3363487c..65bb145d 100644
--- a/src/addtransitioncommand.cpp
+++ b/src/addtransitioncommand.cpp
@@ -26,7 +26,7 @@ AddTransitionCommand::AddTransitionCommand(CustomTrackView *view, int track, QDo
 
 // virtual
 void AddTransitionCommand::undo() {
-    if (!m_doIt) m_view->deleteTransition(m_track, m_pos, m_xml);
+    if (m_doIt) m_view->deleteTransition(m_track, m_pos, m_xml);
     else m_view->addTransition(m_track , m_pos, m_xml);
 }
 // virtual
diff --git a/src/customtrackview.cpp b/src/customtrackview.cpp
index 207e8161..22b82c4c 100644
--- a/src/customtrackview.cpp
+++ b/src/customtrackview.cpp
@@ -515,11 +515,7 @@ void CustomTrackView::slotAddTransition(ClipItem* clip , QDomElement transition,
 
 void CustomTrackView::addTransition(int startTrack, GenTime startPos , QDomElement e) {
     QMap < QString, QString> map;
-    /*map["start"] = "0.0";
-    map["end"] = "1.0";*/
-    QDomDocument d("tes");
-    d.appendChild(e);
-    kDebug() << d.toString();
+
     QDomNamedNodeMap attribs = e.attributes();
     for (int i = 0;i < attribs.count();i++) {
         if (attribs.item(i).nodeName() != "type" &&
@@ -536,8 +532,14 @@ void CustomTrackView::addTransition(int startTrack, GenTime startPos , QDomEleme
     m_document->setModified(true);
 }
 
-void CustomTrackView::deleteTransition(int, GenTime, QDomElement) {
-
+void CustomTrackView::deleteTransition(int, GenTime, QDomElement e) {
+    QMap < QString, QString> map;
+    QDomNamedNodeMap attribs = e.attributes();
+    m_document->renderer()->mltDeleteTransition(e.attribute("type"), 4 - e.attribute("transition_track").toInt(), 5 - 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::addItem(DocClipBase *clip, QPoint pos) {
diff --git a/src/renderer.cpp b/src/renderer.cpp
index 50f8031e..599f9d18 100644
--- a/src/renderer.cpp
+++ b/src/renderer.cpp
@@ -1335,6 +1335,49 @@ void Render::mltMoveTransition(QString type, int startTrack, int trackOffset, Ge
     m_isBlocked = false;
 }
 
+void Render::mltDeleteTransition(QString tag, int a_track, int b_track, GenTime in, GenTime out, QMap <QString, QString> args) {
+    kDebug() << "ja";
+    m_isBlocked = true;
+    m_mltConsumer->set("refresh", 0);
+    mlt_service serv = m_mltProducer->parent().get_service();
+
+    mlt_service nextservice = mlt_service_get_producer(serv);
+    mlt_properties properties = MLT_SERVICE_PROPERTIES(nextservice);
+    QString mlt_type = mlt_properties_get(properties, "mlt_type");
+    QString resource = mlt_properties_get(properties, "mlt_service");
+    int old_pos = (in.frames(m_fps) + out.frames(m_fps)) / 2;
+    int trackOffset = 0;
+    int new_in = in.frames(m_fps);
+    int new_out = out.frames(m_fps) - 1;
+    while (mlt_type == "transition") {
+        mlt_transition tr = (mlt_transition) nextservice;
+        int currentTrack = mlt_transition_get_b_track(tr);
+        int currentIn = (int) mlt_transition_get_in(tr);
+        int currentOut = (int) mlt_transition_get_out(tr);
+        kDebug() << "// FOUND EXISTING TRANS, IN: " << currentIn << ", OUT: " << currentOut << ", TRACK: " << currentTrack;
+        //kDebug()<<"// LOOKING FOR IN: "<<old_in<<", OUT: "<<old_out;
+        kDebug() << "// OLD IN: " << in.frames(m_fps) << " // OLD OUT: " << out.frames(m_fps) << ", TRACK: " << a_track << ", MID POS: " << old_pos;
+        if (/*resource == type &&*/ b_track == currentTrack && currentIn <= old_pos && currentOut >= old_pos) {
+            kDebug() << "found transition that matches" << resource;
+            //mlt_transition_set_in_and_out(tr, new_in, new_out);
+
+            mlt_properties properties = MLT_TRANSITION_PROPERTIES(tr);
+            mlt_events_disconnect(properties, nextservice);
+            mlt_events_fire(MLT_SERVICE_PROPERTIES(nextservice), "service-changed", NULL);
+            //mlt_properties_set_int(properties, "a_track", mlt_transition_get_a_track(tr) + trackOffset);
+            //mlt_properties_set_int(properties, "b_track", mlt_transition_get_b_track(tr) + trackOffset);
+            //}
+            break;
+        }
+        nextservice = mlt_service_producer(nextservice);
+        properties = MLT_SERVICE_PROPERTIES(nextservice);
+        mlt_type = mlt_properties_get(properties, "mlt_type");
+        resource = mlt_properties_get(properties, "mlt_service");
+    }
+    m_isBlocked = false;
+
+}
+
 void Render::mltAddTransition(QString tag, int a_track, int b_track, GenTime in, GenTime out, QMap <QString, QString> args) {
     m_isBlocked = true;
     Mlt::Service service(m_mltProducer->parent().get_service());
diff --git a/src/renderer.h b/src/renderer.h
index 0c62d7fc..f65b3bb0 100644
--- a/src/renderer.h
+++ b/src/renderer.h
@@ -159,6 +159,7 @@ Q_OBJECT public:
     void mltChangeTrackState(int track, bool mute, bool blind);
     void mltMoveTransition(QString type, int startTrack, int trackOffset, GenTime oldIn, GenTime oldOut, GenTime newIn, GenTime newOut);
     void mltAddTransition(QString tag, int a_track, int b_track, GenTime in, GenTime out, QMap <QString, QString> args);
+    void mltDeleteTransition(QString tag, int a_track, int b_track, GenTime in, GenTime out, QMap <QString, QString> args);
 
 
 private:   // Private attributes & methods