Add Lock all tracks but current

Ref: T1961

src/kdenliveui.rc

 <!DOCTYPE kpartgui SYSTEM "kpartgui.dtd">
-<kpartgui name="kdenlive" version="115" translationDomain="kdenlive">
+<kpartgui name="kdenlive" version="116" translationDomain="kdenlive">
   <ToolBar name="extraToolBar" >
     <text>Extra Toolbar</text>
 	<Action name="project_render" />
@@ -135,6 +135,7 @@
       <Action name="send_library" />
       <Menu name="timeline_tracks" ><text>Tracks</text>
         <Action name="switch_track_lock" />
+        <Action name="switch_all_track_lock" />
         <Action name="switch_track_target" />
       </Menu>
       <Separator />

src/mainwindow.cpp

@@ -1335,6 +1335,7 @@ void MainWindow::setupActions()
     //TODO: port stopmotion to new Monitor code
     //addAction("stopmotion", i18n("Stop Motion Capture"), this, SLOT(slotOpenStopmotion()), KoIconUtils::themedIcon("image-x-generic"));
     addAction(QStringLiteral("switch_track_lock"), i18n("Switch Track Lock"), pCore->projectManager(), SLOT(slotSwitchTrackLock()), QIcon(), Qt::SHIFT + Qt::Key_L);
+    addAction(QStringLiteral("switch_all_track_lock"), i18n("Switch All Track Lock"), pCore->projectManager(), SLOT(slotSwitchAllTrackLock()), QIcon(), Qt::CTRL + Qt::SHIFT + Qt::Key_L);
     addAction(QStringLiteral("switch_track_target"), i18n("Switch Track Target"), pCore->projectManager(), SLOT(slotSwitchTrackTarget()), QIcon(), Qt::SHIFT + Qt::Key_T);
 
     QHash <QString, QAction*> actions;

src/project/projectmanager.cpp

@@ -708,6 +708,11 @@ void ProjectManager::slotSwitchTrackLock()
     m_trackView->projectView()->switchTrackLock();
 }
 
+void ProjectManager::slotSwitchAllTrackLock()
+{
+    m_trackView->projectView()->switchAllTrackLock();
+}
+
 void ProjectManager::slotSwitchTrackTarget()
 {
     m_trackView->switchTrackTarget();

src/project/projectmanager.h

@@ -109,6 +109,7 @@ public slots:
 
     /** @brief Un/Lock current timeline track */
     void slotSwitchTrackLock();
+    void slotSwitchAllTrackLock();
     /** @brief Un/Set current track as target */
     void slotSwitchTrackTarget();
 

src/timeline/customtrackview.cpp

@@ -3709,9 +3709,20 @@ void CustomTrackView::slotSwitchTrackAudio(int ix, bool enable)
     m_document->renderer()->doRefresh();
 }
 
-void CustomTrackView::slotSwitchTrackLock(int ix, bool enable)
+void CustomTrackView::slotSwitchTrackLock(int ix, bool enable, bool applyToAll)
 {
-    LockTrackCommand *command = new LockTrackCommand(this, ix, enable);
+    QUndoCommand *command = NULL;
+    if (!applyToAll) {
+        command = new LockTrackCommand(this, ix, enable);
+    } else {
+        command = new QUndoCommand;
+        command->setText(i18n("Switch All Track Lock"));
+        for (int i = 1; i <= m_timeline->visibleTracksCount(); ++i) {
+            if (i == ix) 
+                continue;
+            new LockTrackCommand(this, i, enable, command);
+        }
+    }
     m_commandStack->push(command);
 }
 
@@ -8588,3 +8599,11 @@ void CustomTrackView::switchTrackLock()
     slotSwitchTrackLock(m_selectedTrack, !m_timeline->getTrackInfo(m_selectedTrack).isLocked);
 }
 
+void CustomTrackView::switchAllTrackLock()
+{
+    if (m_selectedTrack > 1)
+        slotSwitchTrackLock(m_selectedTrack, !m_timeline->getTrackInfo(1).isLocked, true);
+    else if (m_timeline->visibleTracksCount() > 1)
+        slotSwitchTrackLock(m_selectedTrack, !m_timeline->getTrackInfo(2).isLocked, true);
+}
+

src/timeline/customtrackview.h

@@ -254,6 +254,7 @@ public:
     void dropTransitionGeometry(Transition *trans, const QString &geometry);
     /** @brief Switch current track lock state */
     void switchTrackLock();
+    void switchAllTrackLock();
     void insertTimelineSpace(GenTime startPos, GenTime duration);
 
 public slots:
@@ -275,7 +276,7 @@ public slots:
     void slotTransitionUpdated(Transition *, QDomElement);
     void slotSwitchTrackAudio(int ix, bool enable);
     void slotSwitchTrackVideo(int ix, bool enable);
-    void slotSwitchTrackLock(int ix, bool enable);
+    void slotSwitchTrackLock(int ix, bool enable, bool applyToAll = false);
     void slotUpdateClip(const QString &clipId, bool reload = true);
 
     bool addGuide(const GenTime &pos, const QString &comment, bool loadingProject = false);