Added support for dragging/dropping resources; you can use drag/drop to rearrange resources/folders in the resource browser now, and you can drag/drop resources onto resource selector widgets

src/Editor/ResourceBrowser/CResourceBrowser.h

@@ -7,6 +7,7 @@
 #include "CVirtualDirectoryModel.h"
 #include <QCheckBox>
 #include <QTimer>
+#include <QUndoStack>
 #include <QVBoxLayout>
 
 namespace Ui {
@@ -41,6 +42,12 @@ class CResourceBrowser : public QWidget
     };
     QList<SResourceType> mTypeList;
 
+    // Undo/Redo
+    QUndoStack mUndoStack;
+    QAction *mpUndoAction;
+    QAction *mpRedoAction;
+    QWidget *mpActionContainerWidget;
+
 public:
     explicit CResourceBrowser(QWidget *pParent = 0);
     ~CResourceBrowser();
@@ -49,6 +56,11 @@ public:
     void SelectDirectory(CVirtualDirectory *pDir);
     void CreateFilterCheckboxes();
 
+    bool MoveResources(const QList<CResourceEntry*>& rkResources, const QList<CVirtualDirectory*>& rkDirectories, CVirtualDirectory *pNewDir);
+
+    // Interface
+    bool eventFilter(QObject *pWatched, QEvent *pEvent);
+
     // Accessors
     inline CResourceStore* CurrentStore() const     { return mpStore; }
     inline CResourceEntry* SelectedEntry() const    { return mpSelectedEntry; }
@@ -80,6 +92,10 @@ public slots:
     void ResetTypeFilter();
     void OnFilterTypeBoxTicked(bool Checked);
 
+    void UpdateUndoActionStates();
+    void Undo();
+    void Redo();
+
 signals:
     void SelectedResourceChanged(CResourceEntry *pNewRes);
 };