add drag and drop onto app icon (dock etc.) support for MacOS platform.

YACReaderLibrary/yacreader_folders_view.h

@@ -0,0 +1,36 @@
+#ifndef YACREADER_FOLDERS_VIEW_H
+#define YACREADER_FOLDERS_VIEW_H
+
+#include "yacreader_treeview.h"
+
+#include <QtWidgets>
+
+class YACReaderFoldersView : public YACReaderTreeView
+{
+    Q_OBJECT
+public:
+    explicit YACReaderFoldersView(QWidget * parent = 0);
+
+signals:
+    //Drops
+    void copyComicsToFolder(QList<QPair<QString,QString> >,QModelIndex);
+    void moveComicsToFolder(QList<QPair<QString,QString> >,QModelIndex);
+
+protected:
+    //Drop to import
+    void dragEnterEvent(QDragEnterEvent *event);
+    void dragLeaveEvent(QDragLeaveEvent *event);
+    void dragMoveEvent(QDragMoveEvent *event);
+    void dropEvent(QDropEvent *event);
+};
+
+class YACReaderFoldersViewItemDeletegate: public QStyledItemDelegate
+{
+    Q_OBJECT
+public:
+    explicit YACReaderFoldersViewItemDeletegate(QObject *parent = 0);
+    void paint(QPainter *painter, const QStyleOptionViewItem &option, const QModelIndex &index) const;
+};
+
+
+#endif // YACREADER_FOLDERS_VIEW_H