rewrite nearly complete

global/clipboard.cpp

@@ -0,0 +1,103 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2019  Olive Team
+
+  This program is free software: you can redistribute it and/or modify
+  it under the terms of the GNU General Public License as published by
+  the Free Software Foundation, either version 3 of the License, or
+  (at your option) any later version.
+
+  This program is distributed in the hope that it will be useful,
+  but WITHOUT ANY WARRANTY; without even the implied warranty of
+  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+  GNU General Public License for more details.
+
+  You should have received a copy of the GNU General Public License
+  along with this program.  If not, see <http://www.gnu.org/licenses/>.
+
+***/
+
+#include "clipboard.h"
+
+#include "timeline/clip.h"
+#include "effects/effect.h"
+#include "effects/transition.h"
+
+Clipboard::Clipboard() :
+  type_(CLIPBOARD_TYPE_CLIP)
+{
+}
+
+void Clipboard::Append(VoidPtr obj)
+{
+  clipboard_.append(obj);
+}
+
+void Clipboard::Insert(int pos, VoidPtr obj)
+{
+  clipboard_.insert(pos, obj);
+}
+
+void Clipboard::RemoveAt(int pos)
+{
+  clipboard_.removeAt(pos);
+}
+
+void Clipboard::Clear()
+{
+  clipboard_.clear();
+  clipboard_transitions_.clear();
+}
+
+int Clipboard::Count()
+{
+  return clipboard_.size();
+}
+
+VoidPtr Clipboard::Get(int i)
+{
+  return clipboard_.at(i);
+}
+
+void Clipboard::SetType(Clipboard::Type type)
+{
+  if (type == type_) {
+    return;
+  }
+
+  Clear();
+  type_ = type;
+}
+
+bool Clipboard::IsEmpty()
+{
+  return clipboard_.isEmpty();
+}
+
+Clipboard::Type Clipboard::type()
+{
+  return type_;
+}
+
+bool Clipboard::DeleteClipsWithMedia(ComboAction *ca, Media *m)
+{
+  if (type_ != CLIPBOARD_TYPE_CLIP) {
+    return false;
+  }
+
+  int delete_count = 0;
+
+  for (int i=0;i<clipboard_.size();i++) {
+    Clip* c = std::static_pointer_cast<Clip>(clipboard_.at(i)).get();
+
+    if (c->media() == m) {
+      ca->append(new RemoveClipsFromClipboard(i-delete_count));
+      delete_count++;
+    }
+  }
+
+  return (delete_count > 0);
+}
+
+Clipboard olive::clipboard;