X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/e660f922f646d5f0dad74ba1616113a8769342fe..96ca74cdda2a8ed485facb45de263e5b7b51d7be:/src/common/treebase.cpp

diff --git a/src/common/treebase.cpp b/src/common/treebase.cpp
index eb37c0dbdb..548b01fb76 100644
--- a/src/common/treebase.cpp
+++ b/src/common/treebase.cpp
@@ -106,6 +106,25 @@ wxTreeCtrlBase::~wxTreeCtrlBase()
         delete m_imageListState;
 }
 
+void wxTreeCtrlBase::SetItemState(const wxTreeItemId& item, int state)
+{
+    if ( state == wxTREE_ITEMSTATE_NEXT )
+    {
+        state = GetItemState(item) + 1;
+        if ( m_imageListState && state >= m_imageListState->GetImageCount() )
+            state = 0;
+    }
+    else if ( state == wxTREE_ITEMSTATE_PREV )
+    {
+        state = GetItemState(item) - 1;
+        if ( state == -1 )
+            state = m_imageListState ? m_imageListState->GetImageCount() - 1 : 0;
+    }
+    // else: wxTREE_ITEMSTATE_NONE depending on platform
+
+    DoSetItemState(item, state);
+}
+
 static void
 wxGetBestTreeSize(const wxTreeCtrlBase* treeCtrl, wxTreeItemId id, wxSize& size)
 {
@@ -191,6 +210,7 @@ void wxTreeCtrlBase::ExpandAll()
 
 void wxTreeCtrlBase::ExpandAllChildren(const wxTreeItemId& item)
 {
+    Freeze();
     // expand this item first, this might result in its children being added on
     // the fly
     if ( item != GetRootItem() || !HasFlag(wxTR_HIDE_ROOT) )
@@ -205,6 +225,7 @@ void wxTreeCtrlBase::ExpandAllChildren(const wxTreeItemId& item)
     {
         ExpandAllChildren(idCurr);
     }
+    Thaw();
 }
 
 void wxTreeCtrlBase::CollapseAll()
@@ -217,6 +238,7 @@ void wxTreeCtrlBase::CollapseAll()
 
 void wxTreeCtrlBase::CollapseAllChildren(const wxTreeItemId& item)
 {
+    Freeze();
     // first (recursively) collapse all the children
     wxTreeItemIdValue cookie;
     for ( wxTreeItemId idCurr = GetFirstChild(item, cookie);
@@ -228,6 +250,7 @@ void wxTreeCtrlBase::CollapseAllChildren(const wxTreeItemId& item)
 
     // then collapse this element too
     Collapse(item);
+    Thaw();
 }
 
 bool wxTreeCtrlBase::IsEmpty() const
@@ -236,4 +259,3 @@ bool wxTreeCtrlBase::IsEmpty() const
 }
 
 #endif // wxUSE_TREECTRL
-