implement wxCairoContext::GetPartialTextExtents for wxGTK

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

diff --git a/src/msw/treectrl.cpp b/src/msw/treectrl.cpp
index 7963ab43310e628a4e826966fc7d5a74922af3e1..2cfcbd8f39ed8baf27e8dbeb684a4fc1c3ae3722 100644 (file)
--- a/src/msw/treectrl.cpp
+++ b/src/msw/treectrl.cpp
@@ -84,13 +84,21 @@ class TreeItemUnlocker
 {
 public:
     // unlock a single item
-    TreeItemUnlocker(HTREEITEM item) { ms_unlockedItem = item; }
+    TreeItemUnlocker(HTREEITEM item)
+    {
+        m_oldUnlockedItem = ms_unlockedItem;
+        ms_unlockedItem = item;
+    }
 
     // unlock all items, don't use unless absolutely necessary
-    TreeItemUnlocker() { ms_unlockedItem = (HTREEITEM)-1; }
+    TreeItemUnlocker()
+    {
+        m_oldUnlockedItem = ms_unlockedItem;
+        ms_unlockedItem = (HTREEITEM)-1;
+    }
 
     // lock everything back
-    ~TreeItemUnlocker() { ms_unlockedItem = NULL; }
+    ~TreeItemUnlocker() { ms_unlockedItem = m_oldUnlockedItem; }
 
 
     // check if the item state is currently locked
@@ -99,6 +107,9 @@ public:
 
 private:
     static HTREEITEM ms_unlockedItem;
+    HTREEITEM m_oldUnlockedItem;
+
+    wxDECLARE_NO_COPY_CLASS(TreeItemUnlocker);
 };
 
 HTREEITEM TreeItemUnlocker::ms_unlockedItem = NULL;