timeline: use similar reverse strategy for inserting/overwriting from

the most recently focused project panel

app/panel/project/project.h

@@ -41,6 +41,8 @@ public:
 
   Folder* GetSelectedFolder();
 
+  QList<Footage*> GetSelectedFootage();
+
   ProjectViewModel* model();
 
   virtual void SelectAll() override;
@@ -64,8 +66,6 @@ private slots:
 
   void ProjectNameChanged();
 
-  QList<Footage*> GetSelectedFootage();
-
 };
 
 #endif // PROJECT_PANEL_H

app/panel/timeline/timeline.cpp

@@ -20,6 +20,9 @@
 
 #include "timeline.h"
 
+#include "panel/panelmanager.h"
+#include "panel/project/project.h"
+
 TimelinePanel::TimelinePanel(QWidget *parent) :
   TimeBasedPanel(parent)
 {
@@ -89,6 +92,24 @@ void TimelinePanel::DecreaseTrackHeight()
   static_cast<TimelineWidget*>(GetTimeBasedWidget())->DecreaseTrackHeight();
 }
 
+void TimelinePanel::Insert()
+{
+  ProjectPanel* project_panel = PanelManager::instance()->MostRecentlyFocused<ProjectPanel>();
+
+  if (project_panel) {
+    InsertFootageAtPlayhead(project_panel->GetSelectedFootage());
+  }
+}
+
+void TimelinePanel::Overwrite()
+{
+  ProjectPanel* project_panel = PanelManager::instance()->MostRecentlyFocused<ProjectPanel>();
+
+  if (project_panel) {
+    OverwriteFootageAtPlayhead(project_panel->GetSelectedFootage());
+  }
+}
+
 void TimelinePanel::InsertFootageAtPlayhead(const QList<Footage *> &footage)
 {
   static_cast<TimelineWidget*>(GetTimeBasedWidget())->InsertFootageAtPlayhead(footage);

app/panel/timeline/timeline.h

@@ -55,6 +55,10 @@ public:
 
   virtual void DecreaseTrackHeight() override;
 
+  virtual void Insert() override;
+
+  virtual void Overwrite() override;
+
   void InsertFootageAtPlayhead(const QList<Footage *> &footage);
 
   void OverwriteFootageAtPlayhead(const QList<Footage *> &footage);

app/widget/timelinewidget/tool/import.cpp

@@ -186,6 +186,11 @@ void TimelineWidget::ImportTool::DragDrop(TimelineViewMouseEvent *event)
 void TimelineWidget::ImportTool::PlaceAt(const QList<Footage *> &footage, const rational &start, bool insert)
 {
   dragged_footage_ = footage;
+
+  if (dragged_footage_.isEmpty()) {
+    return;
+  }
+
   PrepGhosts(start, 0);
   DropGhosts(insert);
 }