reworked much of keyframeview for new architecture

app/widget/keyframeview/keyframeviewinputconnection.h

@@ -0,0 +1,88 @@
+/***
+
+  Olive - Non-Linear Video Editor
+  Copyright (C) 2021 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/>.
+
+***/
+
+#ifndef KEYFRAMEVIEWINPUTCONNECTION_H
+#define KEYFRAMEVIEWINPUTCONNECTION_H
+
+#include <QObject>
+
+#include "node/node.h"
+#include "node/param.h"
+
+namespace olive {
+
+class KeyframeViewBase;
+
+class KeyframeViewInputConnection : public QObject
+{
+  Q_OBJECT
+public:
+  KeyframeViewInputConnection(const NodeKeyframeTrackReference &input, KeyframeViewBase *parent);
+
+  const int &GetKeyframeY() const
+  {
+    return y_;
+  }
+
+  void SetKeyframeY(int y);
+
+  enum YBehavior {
+    kSingleRow,
+    kValueIsHeight
+  };
+
+  void SetYBehavior(YBehavior e);
+
+  const QVector<NodeKeyframe*> GetKeyframes() const
+  {
+    return input_.input().node()->GetKeyframeTracks(input_.input()).at(input_.track());
+  }
+
+  const QBrush &GetBrush() const
+  {
+    return brush_;
+  }
+
+  void SetBrush(const QBrush &brush);
+
+signals:
+  void RequireUpdate();
+
+private:
+  KeyframeViewBase *keyframe_view_;
+
+  NodeKeyframeTrackReference input_;
+
+  int y_;
+
+  YBehavior y_behavior_;
+
+  QBrush brush_;
+
+private slots:
+  void AddKeyframe(NodeKeyframe *key);
+
+  void RemoveKeyframe(NodeKeyframe *key);
+
+};
+
+}
+
+#endif // KEYFRAMEVIEWINPUTCONNECTION_H