Copy-by-dragging: prototype

Author: cbjeukendrup

Diff for: src/notation/inotationinteraction.h

@@ -19,8 +19,7 @@
  * You should have received a copy of the GNU General Public License
  * along with this program.  If not, see <https://www.gnu.org/licenses/>.
  */
-#ifndef MU_NOTATION_INOTATIONINTERACTION_H
-#define MU_NOTATION_INOTATIONINTERACTION_H
+#pragma once
 
 #include <functional>
 
@@ -95,17 +94,23 @@ class INotationInteraction
     virtual void endDrag() = 0;
     virtual muse::async::Notification dragChanged() const = 0;
 
-    virtual bool isDragCopyStarted() const = 0;
     virtual bool dragCopyAllowed(const EngravingItem* element) const = 0;
-    virtual void startDragCopy(const EngravingItem* element, QObject* dragSource) = 0;
+    virtual void prepareDragCopyElement(const EngravingItem* element, QObject* dragSource) = 0;
+    virtual void prepareDragCopyRange(QObject* dragSource) = 0;
+    virtual bool hasDragCopy() const = 0;
+    virtual bool hasStartedDragCopy() const = 0;
+    virtual void startDragCopy() = 0;
     virtual void endDragCopy() = 0;
 
     // Drop
     //! TODO Change KeyboardModifiers to modes
-    virtual void startDrop(const QByteArray& edata) = 0;
-    virtual bool startDrop(const QUrl& url) = 0;
-    virtual bool isDropAccepted(const muse::PointF& pos, Qt::KeyboardModifiers modifiers) = 0; //! NOTE Also may set drop target
-    virtual bool drop(const muse::PointF& pos, Qt::KeyboardModifiers modifiers) = 0;
+    virtual bool startDropSingle(const QByteArray& edata) = 0;
+    virtual bool startDropRange(const QByteArray& data) = 0;
+    virtual bool startDropImage(const QUrl& url) = 0;
+    virtual bool isDropSingleAccepted(const muse::PointF& pos, Qt::KeyboardModifiers modifiers) = 0; //! NOTE Also may set drop target
+    virtual bool isDropRangeAccepted(const muse::PointF& pos) = 0;
+    virtual bool dropSingle(const muse::PointF& pos, Qt::KeyboardModifiers modifiers) = 0;
+    virtual bool dropRange(const QByteArray& data, const muse::PointF& pos) = 0;
     virtual void setDropTarget(EngravingItem* item, bool notify = true) = 0;
     virtual void setDropRect(const muse::RectF& rect) = 0;
     virtual void endDrop() = 0;
@@ -317,5 +322,3 @@ using INotationInteractionPtr = std::shared_ptr<INotationInteraction>;
 
 EngravingItem* contextItem(INotationInteractionPtr);
 }
-
-#endif // MU_NOTATION_INOTATIONINTERACTION_H