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[SHELL32] -CDefView: Implement moving icons around. Note that the positions are never stored so a refresh returns them to their initial position.

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svn path=/trunk/; revision=73599
This commit is contained in:
Giannis Adamopoulos 2017-01-26 16:48:52 +00:00
parent 40768427f8
commit 3938ea389a
1 changed files with 16 additions and 3 deletions
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19
reactos/dll/win32/shell32/CDefView.cpp
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@ -96,6 +96,7 @@ class CDefView :
LONG m_iDragOverItem; /* Dragged over item's index, iff m_pCurDropTarget != NULL */
UINT m_cScrollDelay; /* Send a WM_*SCROLL msg every 250 ms during drag-scroll */
POINT m_ptLastMousePos; /* Mouse position at last DragOver call */
POINT m_ptFirstMousePos; /* Mouse position when the drag operation started */
//
CComPtr<IContextMenu> m_pCM;
@ -1756,6 +1757,8 @@ LRESULT CDefView::OnNotify(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHandl
DWORD dwEffect2;
m_pSourceDataObject = pda;
m_ptFirstMousePos = ((LPNMLISTVIEW)lParam)->ptAction;
ClientToScreen(&m_ptFirstMousePos);
DoDragDrop(pda, this, dwEffect, &dwEffect2);
@ -2902,7 +2905,6 @@ HRESULT WINAPI CDefView::DragEnter(IDataObject *pDataObject, DWORD grfKeyState,
{
/* Get a hold on the data object for later calls to DragEnter on the sub-folders */
m_pCurDataObject = pDataObject;
pDataObject->AddRef();
return drag_notify_subitem(grfKeyState, pt, pdwEffect);
}
@ -2936,11 +2938,22 @@ HRESULT WINAPI CDefView::Drop(IDataObject* pDataObject, DWORD grfKeyState, POINT
if ((m_iDragOverItem == -1) &&
(*pdwEffect & DROPEFFECT_MOVE) &&
(GetKeyState(VK_LBUTTON) != 0) &&
/*(GetKeyState(VK_LBUTTON) != 0) &&*/
(m_pSourceDataObject.p) &&
(SHIsSameObject(pDataObject, m_pSourceDataObject)))
{
ERR("Should implement moving items here!\n");
/* Reposition the items */
int lvIndex = -1;
while ((lvIndex = m_ListView.GetNextItem(lvIndex, LVNI_SELECTED)) > -1)
{
POINT ptItem;
if (m_ListView.GetItemPosition(lvIndex, &ptItem))
{
ptItem.x += pt.x - m_ptFirstMousePos.x;
ptItem.y += pt.y - m_ptFirstMousePos.y;
m_ListView.SetItemPosition(lvIndex, &ptItem);
}
}
if (m_pCurDropTarget)
{