fixed the internal compiler error

[wxWidgets.git] / src / msw / treectrl.cpp

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index 2a0c43ffc8431bde524c129f9b8eb3dbb85ada35..7a5c6af4f2bc5876966a5686ce16081e1000d36c 100644 (file)
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -319,14 +319,7 @@ wxTreeItemData *wxTreeCtrl::GetItemData(const wxTreeItemId& item) const
         return NULL;
     }
 
-    wxTreeItemData *data = (wxTreeItemData *)tvItem.lParam;
-    if ( data != NULL )
-    {
-        // the data object should know about its id
-        data->m_itemId = item;
-    }
-
-    return data;
+    return (wxTreeItemData *)tvItem.lParam;
 }
 
 void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
@@ -336,6 +329,13 @@ void wxTreeCtrl::SetItemData(const wxTreeItemId& item, wxTreeItemData *data)
     DoSetItem(&tvItem);
 }
 
+void wxTreeCtrl::SetItemHasChildren(const wxTreeItemId& item, bool has)
+{
+    wxTreeViewItem tvItem(item, TVIF_CHILDREN);
+    tvItem.cChildren = (int)has;
+    DoSetItem(&tvItem);
+}
+
 // ----------------------------------------------------------------------------
 // Item status
 // ----------------------------------------------------------------------------
@@ -407,8 +407,10 @@ wxTreeItemId wxTreeCtrl::GetFirstChild(const wxTreeItemId& item,
 wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item),
                                       long& _cookie) const
 {
-    return wxTreeItemId((WXHTREEITEM) TreeView_GetNextSibling(wxhWnd,
-                                                    (HTREEITEM) (WXHTREEITEM)_cookie));
+    wxTreeItemId l=wxTreeItemId((WXHTREEITEM) TreeView_GetNextSibling(wxhWnd,
+                (HTREEITEM) (WXHTREEITEM)_cookie));
+    _cookie=(long)l;
+    return l;
 }
 
 wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
@@ -466,6 +468,12 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent,
     {
         mask |= TVIF_IMAGE;
         tvIns.item.iImage = image;
+
+        if ( selectedImage == -1 )
+        {
+            // take the same image for selected icon if not specified
+            selectedImage = image;
+        }
     }
 
     if ( selectedImage != -1 )
@@ -482,12 +490,18 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent,
 
     tvIns.item.mask = mask;
 
-    HTREEITEM id = (HTREEITEM) TreeView_InsertItem(wxhWnd, &tvIns);
+    HTREEITEM id = TreeView_InsertItem(wxhWnd, &tvIns);
     if ( id == 0 )
     {
         wxLogLastError("TreeView_InsertItem");
     }
 
+    if ( data != NULL )
+    {
+        // associate the application tree item with Win32 tree item handle
+        data->SetId((WXHTREEITEM)id);
+    }
+
     return wxTreeItemId((WXHTREEITEM)id);
 }
 
@@ -539,7 +553,8 @@ wxTreeItemId wxTreeCtrl::AppendItem(const wxTreeItemId& parent,
 void wxTreeCtrl::Delete(const wxTreeItemId& item)
 {
     wxTreeItemData *data = GetItemData(item);
-    delete data;    // may be NULL, ok
+       if(data!=NULL)
+               delete data;    // may be NULL, ok
 
     if ( !TreeView_DeleteItem(wxhWnd, (HTREEITEM)(WXHTREEITEM)item) )
     {
@@ -606,6 +621,11 @@ void wxTreeCtrl::Toggle(const wxTreeItemId& item)
     DoExpand(item, TVE_TOGGLE);
 }
 
+void wxTreeCtrl::ExpandItem(const wxTreeItemId& item, int action)
+{
+       DoExpand(item, action);
+}
+
 void wxTreeCtrl::Unselect()
 {
     SelectItem(wxTreeItemId((WXHTREEITEM) 0));
@@ -749,7 +769,7 @@ bool wxTreeCtrl::MSWCommand(WXUINT cmd, WXWORD id)
 }
 
 // process WM_NOTIFY Windows message
-bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam)
+bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result)
 {
     wxTreeEvent event(wxEVT_NULL, m_windowId);
     wxEventType eventType = wxEVT_NULL;
@@ -875,36 +895,28 @@ bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam)
             }
 
         default:
-            return wxControl::MSWNotify(wParam, lParam);
+            return wxControl::MSWNotify(wParam, lParam, result);
     }
 
     event.SetEventObject(this);
     event.SetEventType(eventType);
 
-    bool rc = GetEventHandler()->ProcessEvent(event);
+    bool processed = GetEventHandler()->ProcessEvent(event);
 
     // post processing
-    switch ( hdr->code )
+    if ( hdr->code == TVN_DELETEITEM )
     {
         // NB: we might process this message using wxWindows event tables, but
         //     due to overhead of wxWin event system we prefer to do it here
         //     (otherwise deleting a tree with many items is just too slow)
-        case TVN_DELETEITEM:
-            {
-                NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam;
-                wxTreeItemData *data = (wxTreeItemData *)tv->itemOld.lParam;
-                delete data; // may be NULL, ok
-            }
-            break;
-
-        case TVN_ITEMEXPANDING:
-            // if user called Veto(), don't allow expansion/collapse by
-            // returning TRUE from here
-            rc = event.m_code != 0;
-            break;
+        NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam;
+        wxTreeItemData *data = (wxTreeItemData *)tv->itemOld.lParam;
+        delete data; // may be NULL, ok
     }
 
-    return rc;
+    *result = !event.IsAllowed();
+
+    return processed;
 }
 
 // ----------------------------------------------------------------------------
@@ -914,7 +926,7 @@ bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam)
 IMPLEMENT_DYNAMIC_CLASS(wxTreeEvent, wxCommandEvent)
 
 wxTreeEvent::wxTreeEvent(wxEventType commandType, int id)
-           : wxCommandEvent(commandType, id)
+           : wxNotifyEvent(commandType, id)
 {
     m_code = 0;
     m_itemOld = 0;