Warning fix for assignment of unused value.

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

diff --git a/src/msw/notebook.cpp b/src/msw/notebook.cpp
index e70911eeebd3bd9ea22e4a74471cb5ab29ad68be..7e3bbcbd498ab9f82c0ad9c6ca198d48b1139d64 100644 (file)
--- a/src/msw/notebook.cpp
+++ b/src/msw/notebook.cpp
@@ -22,7 +22,7 @@
 
 #if wxUSE_NOTEBOOK
 
-// wxWindows
+// wxWidgets
 #ifndef WX_PRECOMP
   #include  "wx/string.h"
 #endif  // WX_PRECOMP
@@ -438,7 +438,7 @@ wxSize wxNotebook::CalcSizeFromPage(const wxSize& sizePage) const
 {
     wxSize sizeTotal = sizePage;
     
-    // We need to make getting tab size part of the wxWindows API.
+    // We need to make getting tab size part of the wxWidgets API.
     wxSize tabSize(0, 0);
     if (GetPageCount() > 0)
     {
@@ -471,9 +471,18 @@ void wxNotebook::AdjustPageSize(wxNotebookPage *page)
 
     // get the page size from the notebook size
     GetSize((int *)&rc.right, (int *)&rc.bottom);
-    TabCtrl_AdjustRect(m_hwnd, false, &rc);
 
-    page->SetSize(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top);
+    // This check is to work around a bug in TabCtrl_AdjustRect which will
+    // cause a crash on win2k, or on XP with themes disabled, if the
+    // wxNB_MULTILINE style is used and the rectangle is very small, (such as
+    // when the notebook is first created.)  The value of 20 is just
+    // arbitrarily chosen, if there is a better way to determine this value
+    // then please do so.  --RD
+    if (rc.right > 20 && rc.bottom > 20)
+    {
+        TabCtrl_AdjustRect(m_hwnd, false, &rc);
+        page->SetSize(rc.left, rc.top, rc.right - rc.left, rc.bottom - rc.top);
+    }
 }
 
 // ----------------------------------------------------------------------------
@@ -544,6 +553,7 @@ bool wxNotebook::DeleteAllPages()
 
   m_nSelection = -1;
 
+  InvalidateBestSize();
   return true;
 }
 
@@ -660,6 +670,7 @@ bool wxNotebook::InsertPage(size_t nPage,
     if ( selNew != -1 )
         SetSelection(selNew);
 
+    InvalidateBestSize();
     return true;
 }