[rosctrls.h] CListView: Add Arrange method

[SHELL32] CDefView: Start implementing Auto arrange.
So far its effect is only shown when the browser window resizes.

dll/win32/shell32/CDefView.cpp

@@ -125,7 +125,6 @@ class CDefView :
         HRESULT OnStateChange(UINT uFlags);
         void UpdateStatusbar();
         void CheckToolbar();
-        void SetStyle(DWORD dwAdd, DWORD dwRemove);
         BOOL CreateList();
         void UpdateListColors();
         BOOL InitList();
@@ -500,18 +499,6 @@ void CDefView::UpdateStatusbar()
  *
  * ##### helperfunctions for initializing the view #####
  */
-/**********************************************************
- *    change the style of the listview control
- */
-void CDefView::SetStyle(DWORD dwAdd, DWORD dwRemove)
-{
-    DWORD tmpstyle;
-
-    TRACE("(%p)\n", this);
-
-    tmpstyle = ::GetWindowLongPtrW(m_ListView, GWL_STYLE);
-    ::SetWindowLongPtrW(m_ListView, GWL_STYLE, dwAdd | (tmpstyle & ~dwRemove));
-}
 
 /**********************************************************
 * ShellView_CreateList()
@@ -1193,10 +1180,18 @@ HRESULT CDefView::FillArrangeAsMenu(HMENU hmenuArrange)
                        MF_BYCOMMAND);
 
     if (m_FolderSettings.ViewMode == FVM_DETAILS || m_FolderSettings.ViewMode == FVM_LIST)
+    {
         EnableMenuItem(hmenuArrange, FCIDM_SHVIEW_AUTOARRANGE, MF_BYCOMMAND | MF_GRAYED);
+    }
     else
+    {
         EnableMenuItem(hmenuArrange, FCIDM_SHVIEW_AUTOARRANGE, MF_BYCOMMAND); 
 
+        if (GetAutoArrange() == S_OK)
+            CheckMenuItem(hmenuArrange, FCIDM_SHVIEW_AUTOARRANGE, MF_CHECKED);
+    }
+
+
     return S_OK;
 }
 
@@ -1560,25 +1555,25 @@ LRESULT CDefView::OnCommand(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHand
     {
         case FCIDM_SHVIEW_SMALLICON:
             m_FolderSettings.ViewMode = FVM_SMALLICON;
-            SetStyle (LVS_SMALLICON, LVS_TYPEMASK);
+            m_ListView.ModifyStyle(LVS_TYPEMASK, LVS_SMALLICON);
             CheckToolbar();
             break;
 
         case FCIDM_SHVIEW_BIGICON:
             m_FolderSettings.ViewMode = FVM_ICON;
-            SetStyle (LVS_ICON, LVS_TYPEMASK);
+            m_ListView.ModifyStyle(LVS_TYPEMASK, LVS_ICON);
             CheckToolbar();
             break;
 
         case FCIDM_SHVIEW_LISTVIEW:
             m_FolderSettings.ViewMode = FVM_LIST;
-            SetStyle (LVS_LIST, LVS_TYPEMASK);
+            m_ListView.ModifyStyle(LVS_TYPEMASK, LVS_LIST);
             CheckToolbar();
             break;
 
         case FCIDM_SHVIEW_REPORTVIEW:
             m_FolderSettings.ViewMode = FVM_DETAILS;
-            SetStyle (LVS_REPORT, LVS_TYPEMASK);
+            m_ListView.ModifyStyle(LVS_TYPEMASK, LVS_REPORT);
             CheckToolbar();
             break;
 
@@ -1593,9 +1588,14 @@ LRESULT CDefView::OnCommand(UINT uMsg, WPARAM wParam, LPARAM lParam, BOOL &bHand
             break;
 
         case FCIDM_SHVIEW_SNAPTOGRID:
-        case FCIDM_SHVIEW_AUTOARRANGE:
             //FIXME
             break;
+        case FCIDM_SHVIEW_AUTOARRANGE:
+            if (GetAutoArrange() == S_OK)
+                m_ListView.ModifyStyle(LVS_AUTOARRANGE, 0);
+            else
+                AutoArrange();
+            break;
         case FCIDM_SHVIEW_SELECTALL:
             m_ListView.SetItemState(-1, LVIS_SELECTED, LVIS_SELECTED);
             break;
@@ -2380,7 +2380,7 @@ HRESULT STDMETHODCALLTYPE CDefView::SetCurrentViewMode(UINT ViewMode)
         }
     }
 
-    SetStyle(dwStyle, LVS_TYPEMASK);
+    m_ListView.ModifyStyle(LVS_TYPEMASK, dwStyle);
 
     /* This will not necessarily be the actual mode set above.
        This mimics the behavior of Windows XP. */
@@ -2481,7 +2481,7 @@ HRESULT STDMETHODCALLTYPE CDefView::GetDefaultSpacing(POINT *ppt)
 
 HRESULT STDMETHODCALLTYPE CDefView::GetAutoArrange()
 {
-    return E_NOTIMPL;
+    return ((m_ListView.GetStyle() & LVS_AUTOARRANGE) ? S_OK : S_FALSE);
 }
 
 HRESULT STDMETHODCALLTYPE CDefView::SelectItem(int iItem, DWORD dwFlags)
@@ -2666,8 +2666,9 @@ HRESULT STDMETHODCALLTYPE CDefView::ArrangeGrid()
 
 HRESULT STDMETHODCALLTYPE CDefView::AutoArrange()
 {
-    FIXME("(%p) stub\n", this);
+    m_ListView.ModifyStyle(0, LVS_AUTOARRANGE);
-    return E_NOTIMPL;
+    m_ListView.Arrange(LVA_DEFAULT);
+    return S_OK;
 }
 
 HRESULT STDMETHODCALLTYPE CDefView::AddObject(PITEMID_CHILD pidl, UINT *item)

sdk/include/reactos/rosctrls.h

@@ -224,6 +224,12 @@ public:
     {
         return (BOOL)SendMessage(LVM_SETITEMPOSITION, nItem, MAKELPARAM(pPoint->x, pPoint->y));
     }
+
+    BOOL Arrange(UINT nCode)
+    {
+        return (BOOL)SendMessage(LVM_ARRANGE, nCode, 0);
+    }
+
 };
 
 template<typename TItemData = DWORD_PTR>