[gadamopoulos] 71979: [SHELL32] - CDefView: Add the skeleton check that should be used to implement moving items in the CDefView. Nothing more is implemented because GetKeyState is completely unrel...

Author: gadamopoulos
Date: Sat Jul 23 08:42:38 2016
New Revision: 71979
URL: http://svn.reactos.org/svn/reactos?rev=71979&view=rev
Log:
[SHELL32]
- CDefView: Add the skeleton check that should be used to implement moving items in the
CDefView. Nothing more is implemented because GetKeyState is completely unreliable.
Modified:
    trunk/reactos/dll/win32/shell32/CDefView.cpp
Modified: trunk/reactos/dll/win32/shell32/CDefView.cpp
URL:
http://svn.reactos.org/svn/reactos/trunk/reactos/dll/win32/shell32/CDefView…
==============================================================================
--- trunk/reactos/dll/win32/shell32/CDefView.cpp        [iso-8859-1] (original)
+++ trunk/reactos/dll/win32/shell32/CDefView.cpp        [iso-8859-1] Sat Jul 23 08:42:38
2016
@@ -97,6 +97,7 @@
         DWORD                     m_dwAdvf;
         CComPtr<IAdviseSink>      m_pAdvSink;
         // for drag and drop
+        CComPtr<IDataObject>      m_pSourceDataObject;
         CComPtr<IDropTarget>      m_pCurDropTarget;     /* The sub-item, which is
currently dragged over */
         CComPtr<IDataObject>      m_pCurDataObject;     /* The dragged data-object
*/
         LONG                      m_iDragOverItem;      /* Dragged over item's index,
iff m_pCurDropTarget != NULL */
@@ -1786,7 +1787,12 @@
                     }
                     DWORD dwEffect2;
+
+                    m_pSourceDataObject = pda;
+
                     DoDragDrop(pda, this, dwEffect, &dwEffect2);
+
+                    m_pSourceDataObject.Release();
                 }
             }
             break;
@@ -2937,7 +2943,23 @@
 HRESULT WINAPI CDefView::Drop(IDataObject* pDataObject, DWORD grfKeyState, POINTL pt,
DWORD *pdwEffect)
 {
-    if (m_pCurDropTarget)
+    ERR("GetKeyState(VK_LBUTTON): %d\n", GetKeyState(VK_LBUTTON));
+
+    if ((m_iDragOverItem == -1) &&
+        (*pdwEffect & DROPEFFECT_MOVE) &&
+        (GetKeyState(VK_LBUTTON) != 0) &&
+        (m_pSourceDataObject.p) &&
+        (SHIsSameObject(pDataObject, m_pSourceDataObject)))
+    {
+        ERR("Should implement moving items here!\n");
+
+        if (m_pCurDropTarget)
+        {
+            m_pCurDropTarget->DragLeave();
+            m_pCurDropTarget.Release();
+        }
+    }
+    else if (m_pCurDropTarget)
     {
         m_pCurDropTarget->Drop(pDataObject, grfKeyState, pt, pdwEffect);
         m_pCurDropTarget.Release();