some typos in docs and code corrected (thanks Janos)

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

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index 7673df85edd14919bd1a9f90f04ff0474b30635f..eb6dfc49774a897eaf883c1253c905ccc3225502 100644 (file)
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -40,6 +40,10 @@
 
 #include "wx/msw/private.h"
 
+#ifdef __GNUWIN32__
+#include "wx/msw/gnuwin32/extra.h"
+#endif
+
 #if (defined(__WIN95__) && !defined(__GNUWIN32__)) || defined(__TWIN32__)
     #include <commctrl.h>
 #endif
@@ -136,7 +140,8 @@ bool wxTreeCtrl::Create(wxWindow *parent, wxWindowID id,
 
     m_windowId = (id == -1) ? NewControlId() : id;
 
-    DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | TVS_HASLINES;
+    DWORD wstyle = WS_VISIBLE | WS_CHILD | WS_TABSTOP | TVS_HASLINES | TVS_SHOWSELALWAYS ;
+
 
     bool want3D;
     WXDWORD exStyle = Determine3DEffects(WS_EX_CLIENTEDGE, &want3D) ;
@@ -372,6 +377,13 @@ void wxTreeCtrl::SetItemBold(const wxTreeItemId& item, bool bold)
     DoSetItem(&tvItem);
 }
 
+void wxTreeCtrl::SetItemDropHighlight(const wxTreeItemId& item, bool highlight)
+{
+    wxTreeViewItem tvItem(item, TVIF_STATE, TVIS_DROPHILITED);
+    tvItem.state = highlight ? TVIS_DROPHILITED : 0;
+    DoSetItem(&tvItem);
+}
+
 // ----------------------------------------------------------------------------
 // Item status
 // ----------------------------------------------------------------------------
@@ -457,6 +469,22 @@ wxTreeItemId wxTreeCtrl::GetNextChild(const wxTreeItemId& WXUNUSED(item),
     return l;
 }
 
+wxTreeItemId wxTreeCtrl::GetLastChild(const wxTreeItemId& item) const
+{
+    // can this be done more efficiently?
+    long cookie;
+
+    wxTreeItemId childLast,
+    child = GetFirstChild(item, cookie);
+    while ( child.IsOk() )
+    {
+        childLast = child;
+        child = GetNextChild(item, cookie);
+    }
+
+    return childLast;
+}
+
 wxTreeItemId wxTreeCtrl::GetNextSibling(const wxTreeItemId& item) const
 {
     return wxTreeItemId((WXHTREEITEM) TreeView_GetNextSibling(wxhWnd, (HTREEITEM) (WXHTREEITEM) item));
@@ -501,6 +529,13 @@ wxTreeItemId wxTreeCtrl::DoInsertItem(const wxTreeItemId& parent,
     TV_INSERTSTRUCT tvIns;
     tvIns.hParent = (HTREEITEM) (WXHTREEITEM)parent;
     tvIns.hInsertAfter = (HTREEITEM) (WXHTREEITEM) hInsertAfter;
+
+    // This is how we insert the item as the first child: supply a NULL hInsertAfter
+    if (tvIns.hInsertAfter == (HTREEITEM) 0)
+    {
+        tvIns.hInsertAfter = TVI_FIRST;
+    }
+
     UINT mask = 0;
     if ( !text.IsEmpty() )
     {
@@ -636,8 +671,10 @@ void wxTreeCtrl::DeleteAllItems()
 
 void wxTreeCtrl::DoExpand(const wxTreeItemId& item, int flag)
 {
-    wxASSERT_MSG( flag == TVE_COLLAPSE || flag == TVE_COLLAPSERESET ||
-                  flag == TVE_EXPAND   || flag == TVE_TOGGLE,
+    wxASSERT_MSG( flag == TVE_COLLAPSE ||
+                  flag == (TVE_COLLAPSE | TVE_COLLAPSERESET) ||
+                  flag == TVE_EXPAND   ||
+                  flag == TVE_TOGGLE,
                   "Unknown flag in wxTreeCtrl::DoExpand" );
 
     // TreeView_Expand doesn't send TVN_ITEMEXPAND(ING) messages, so we must
@@ -677,7 +714,7 @@ void wxTreeCtrl::Collapse(const wxTreeItemId& item)
 
 void wxTreeCtrl::CollapseAndReset(const wxTreeItemId& item)
 {
-    DoExpand(item, TVE_COLLAPSERESET);
+    DoExpand(item, TVE_COLLAPSE | TVE_COLLAPSERESET);
 }
 
 void wxTreeCtrl::Toggle(const wxTreeItemId& item)
@@ -790,9 +827,29 @@ wxTreeItemId wxTreeCtrl::HitTest(const wxPoint& point, int& flags)
     return wxTreeItemId((WXHTREEITEM) hitTestInfo.hItem);
 }
 
+bool wxTreeCtrl::GetBoundingRect(const wxTreeItemId& item,
+                                 wxRect& rect,
+                                 bool textOnly) const
+{
+    RECT rc;
+    if ( TreeView_GetItemRect(wxhWnd, (HTREEITEM)(WXHTREEITEM)item,
+                              &rc, textOnly) )
+    {
+        rect = wxRect(wxPoint(rc.left, rc.top), wxPoint(rc.right, rc.bottom));
+
+        return TRUE;
+    }
+    else
+    {
+        // couldn't retrieve rect: for example, item isn't visible
+        return FALSE;
+    }
+}
+
 // ----------------------------------------------------------------------------
 // sorting stuff
 // ----------------------------------------------------------------------------
+
 static int CALLBACK TreeView_CompareCallback(wxTreeItemData *pItem1,
                                              wxTreeItemData *pItem2,
                                              wxTreeCtrl *tree)
@@ -1007,6 +1064,7 @@ bool wxTreeCtrl::MSWNotify(WXWPARAM wParam, WXLPARAM lParam, WXLPARAM *result)
         NM_TREEVIEW* tv = (NM_TREEVIEW *)lParam;
         wxTreeItemData *data = (wxTreeItemData *)tv->itemOld.lParam;
         delete data; // may be NULL, ok
+        processed = TRUE; // Make sure we don't get called twice
     }
 
     *result = !event.IsAllowed();