X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/26e95a246b686717fa073523d0a265b6368fbedf..f385b493dfd451e8d79f7b19c30e368a399a2ef5:/src/generic/treebkg.cpp

diff --git a/src/generic/treebkg.cpp b/src/generic/treebkg.cpp
index 3ca2946555..4f57582b0c 100644
--- a/src/generic/treebkg.cpp
+++ b/src/generic/treebkg.cpp
@@ -100,11 +100,14 @@ wxTreebook::Create(wxWindow *parent,
                     wxID_TREEBOOKTREEVIEW,
                     wxDefaultPosition,
                     wxDefaultSize,
-                    wxBORDER_SIMPLE |
+#ifndef __WXMSW__
+                    wxBORDER_SIMPLE | // On wxMSW this produces a black border which is wrong
+#endif
                     wxTR_DEFAULT_STYLE |
                     wxTR_HIDE_ROOT |
                     wxTR_SINGLE
                  );
+    GetTreeCtrl()->SetQuickBestSize(false); // do full size calculation
     GetTreeCtrl()->AddRoot(wxEmptyString); // label doesn't matter, it's hidden
 
 #ifdef __WXMSW__
@@ -244,6 +247,8 @@ bool wxTreebook::DoInsertSubPage(size_t pagePos,
 
     wxTreeItemId newId = tree->AppendItem(parentId, text, imageId);
 
+    tree->InvalidateBestSize();
+
     if ( !newId.IsOk() )
     {
         (void)wxBookCtrlBase::DoRemovePage(newPos);