reimplemented goto prev/next cut, about dialog, and action search dialog

app/panel/panelmanager.cpp

@@ -36,6 +36,11 @@ void PanelManager::DeleteAllPanels()
   focus_history_.clear();
 }
 
+const QList<PanelWidget *> &PanelManager::panels()
+{
+  return focus_history_;
+}
+
 PanelWidget *PanelManager::CurrentlyFocused() const
 {
   if (focus_history_.isEmpty()) {

app/panel/panelmanager.h

@@ -47,8 +47,20 @@ class PanelManager : public QObject
 public:
   PanelManager(QObject* parent);
 
+  /**
+   * @brief Destroy all panels
+   *
+   * Should only be used on application exit to cleanly free all panels.
+   */
   void DeleteAllPanels();
 
+  /**
+   * @brief Get a list of all existing panels
+   *
+   * Panels are ordered from most recently focused to least recently focused.
+   */
+  const QList<PanelWidget*>& panels();
+
   /**
    * @brief Return the currently focused widget, or nullptr if nothing is focused
    */

app/panel/timeline/timeline.cpp

@@ -119,6 +119,16 @@ void TimelinePanel::EditToOut()
   view_->EditToOut();
 }
 
+void TimelinePanel::GoToPrevCut()
+{
+  view_->GoToPrevCut();
+}
+
+void TimelinePanel::GoToNextCut()
+{
+  view_->GoToNextCut();
+}
+
 void TimelinePanel::changeEvent(QEvent *e)
 {
   if (e->type() == QEvent::LanguageChange) {

app/panel/timeline/timeline.h

@@ -55,6 +55,10 @@ public:
 
   virtual void EditToOut() override;
 
+  virtual void GoToPrevCut() override;
+
+  virtual void GoToNextCut() override;
+
 public slots:
   void SetTimebase(const rational& timebase);
 

app/panel/viewer/viewer.cpp

@@ -69,6 +69,21 @@ void ViewerPanel::GoToEnd()
   viewer_->GoToEnd();
 }
 
+void ViewerPanel::ShuttleLeft()
+{
+  viewer_->ShuttleLeft();
+}
+
+void ViewerPanel::ShuttleStop()
+{
+  viewer_->ShuttleStop();
+}
+
+void ViewerPanel::ShuttleRight()
+{
+  viewer_->ShuttleRight();
+}
+
 void ViewerPanel::SetTimebase(const rational &timebase)
 {
   viewer_->SetTimebase(timebase);

app/panel/viewer/viewer.h

@@ -48,6 +48,12 @@ public:
 
   virtual void GoToEnd() override;
 
+  virtual void ShuttleLeft() override;
+
+  virtual void ShuttleStop() override;
+
+  virtual void ShuttleRight() override;
+
   void SetTimebase(const rational& timebase);
 
   void ConnectViewerNode(ViewerOutput* node);