implemented a footage viewer

Essentially a minor derivation of a viewer type that can automatically view
footage from the project (i.e. not in a sequence).

app/panel/viewer/CMakeLists.txt

@@ -18,5 +18,7 @@ set(OLIVE_SOURCES
   ${OLIVE_SOURCES}
   panel/viewer/viewer.h
   panel/viewer/viewer.cpp
+  panel/viewer/viewerbase.h
+  panel/viewer/viewerbase.cpp
   PARENT_SCOPE
 )

app/panel/viewer/viewer.cpp

@@ -21,7 +21,7 @@
 #include "viewer.h"
 
 ViewerPanel::ViewerPanel(QWidget *parent) :
-  PanelWidget(parent)
+  ViewerPanelBase(parent)
 {
   // FIXME: This won't work if there's ever more than one of this panel
   setObjectName("ViewerPanel");
@@ -37,61 +37,6 @@ ViewerPanel::ViewerPanel(QWidget *parent) :
   Retranslate();
 }
 
-void ViewerPanel::ZoomIn()
-{
-  viewer_->SetScale(viewer_->scale() * 2);
-}
-
-void ViewerPanel::ZoomOut()
-{
-  viewer_->SetScale(viewer_->scale() * 0.5);
-}
-
-void ViewerPanel::GoToStart()
-{
-  viewer_->GoToStart();
-}
-
-void ViewerPanel::PrevFrame()
-{
-  viewer_->PrevFrame();
-}
-
-void ViewerPanel::PlayPause()
-{
-  viewer_->TogglePlayPause();
-}
-
-void ViewerPanel::NextFrame()
-{
-  viewer_->NextFrame();
-}
-
-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);
-}
-
 void ViewerPanel::ConnectViewerNode(ViewerOutput *node)
 {
   viewer_->ConnectViewerNode(node);

app/panel/viewer/viewer.h

@@ -23,39 +23,16 @@
 
 #include <QOpenGLFunctions>
 
-#include "widget/panel/panel.h"
-#include "widget/viewer/viewer.h"
+#include "viewerbase.h"
 
 /**
  * @brief Dockable wrapper around a ViewerWidget
  */
-class ViewerPanel : public PanelWidget {
+class ViewerPanel : public ViewerPanelBase {
   Q_OBJECT
 public:
   ViewerPanel(QWidget* parent);
 
-  virtual void ZoomIn() override;
-
-  virtual void ZoomOut() override;
-
-  virtual void GoToStart() override;
-
-  virtual void PrevFrame() override;
-
-  virtual void PlayPause() override;
-
-  virtual void NextFrame() override;
-
-  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);
 
   void DisconnectViewerNode();
@@ -76,7 +53,6 @@ signals:
 private:
   void Retranslate();
 
-  ViewerWidget* viewer_;
 };
 
 #endif // VIEWER_PANEL_H

app/panel/viewer/viewerbase.cpp

@@ -0,0 +1,56 @@
+#include "viewerbase.h"
+
+ViewerPanelBase::ViewerPanelBase(QWidget *parent) :
+  PanelWidget(parent)
+{
+}
+
+void ViewerPanelBase::ZoomIn()
+{
+  viewer_->SetScale(viewer_->scale() * 2);
+}
+
+void ViewerPanelBase::ZoomOut()
+{
+  viewer_->SetScale(viewer_->scale() * 0.5);
+}
+
+void ViewerPanelBase::GoToStart()
+{
+  viewer_->GoToStart();
+}
+
+void ViewerPanelBase::PrevFrame()
+{
+  viewer_->PrevFrame();
+}
+
+void ViewerPanelBase::PlayPause()
+{
+  viewer_->TogglePlayPause();
+}
+
+void ViewerPanelBase::NextFrame()
+{
+  viewer_->NextFrame();
+}
+
+void ViewerPanelBase::GoToEnd()
+{
+  viewer_->GoToEnd();
+}
+
+void ViewerPanelBase::ShuttleLeft()
+{
+  viewer_->ShuttleLeft();
+}
+
+void ViewerPanelBase::ShuttleStop()
+{
+  viewer_->ShuttleStop();
+}
+
+void ViewerPanelBase::ShuttleRight()
+{
+  viewer_->ShuttleRight();
+}

app/panel/viewer/viewerbase.h

@@ -0,0 +1,40 @@
+#ifndef VIEWERPANELBASE_H
+#define VIEWERPANELBASE_H
+
+#include "widget/panel/panel.h"
+#include "widget/viewer/viewer.h"
+
+class ViewerPanelBase : public PanelWidget
+{
+  Q_OBJECT
+public:
+  ViewerPanelBase(QWidget* parent = nullptr);
+
+  virtual void ZoomIn() override;
+
+  virtual void ZoomOut() override;
+
+  virtual void GoToStart() override;
+
+  virtual void PrevFrame() override;
+
+  virtual void PlayPause() override;
+
+  virtual void NextFrame() override;
+
+  virtual void GoToEnd() override;
+
+  virtual void ShuttleLeft() override;
+
+  virtual void ShuttleStop() override;
+
+  virtual void ShuttleRight() override;
+
+protected:
+  ViewerWidget* viewer_;
+
+private:
+
+};
+
+#endif // VIEWERPANELBASE_H