X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/b7bc9d806b57f20e1d3135025ba0e6f603e7450e..ddabd45b6148976e174ca7487ab283517d8825df:/src/common/sizer.cpp

diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp
index beb46796bc..af8275b478 100644
--- a/src/common/sizer.cpp
+++ b/src/common/sizer.cpp
@@ -1324,25 +1324,30 @@ wxGridSizer::wxGridSizer( int cols, int vgap, int hgap )
 
 int wxGridSizer::CalcRowsCols(int& nrows, int& ncols) const
 {
-    int nitems = m_children.GetCount();
-    if ( nitems)
+    const int nitems = m_children.GetCount();
+    if ( m_cols && m_rows )
     {
-        if ( m_cols )
-        {
-            ncols = m_cols;
-            nrows = (nitems + m_cols - 1) / m_cols;
-        }
-        else if ( m_rows )
-        {
-            ncols = (nitems + m_rows - 1) / m_rows;
-            nrows = m_rows;
-        }
-        else // 0 columns, 0 rows?
-        {
-            wxFAIL_MSG( _T("grid sizer must have either rows or columns fixed") );
+        // if both rows and columns are specified by user, use the provided
+        // values even if we don't have enough items
+        ncols = m_cols;
+        nrows = m_rows;
+    }
+    else if ( m_cols )
+    {
+        ncols = m_cols;
+        nrows = (nitems + m_cols - 1) / m_cols;
+    }
+    else if ( m_rows )
+    {
+        ncols = (nitems + m_rows - 1) / m_rows;
+        nrows = m_rows;
+    }
+    else // 0 columns, 0 rows?
+    {
+        wxFAIL_MSG( _T("grid sizer must have either rows or columns fixed") );
 
-            nrows = ncols = 0;
-        }
+        nrows =
+        ncols = 0;
     }
 
     return nitems;
@@ -1830,7 +1835,11 @@ bool wxFlexGridSizer::IsColGrowable( size_t idx )
 
 void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion )
 {
-    wxASSERT_MSG( !IsRowGrowable( idx ), 
+    int nrows, ncols;
+    CalcRowsCols(nrows, ncols);
+    wxCHECK_RET( idx < (size_t)nrows, "invalid row index" );
+
+    wxASSERT_MSG( !IsRowGrowable( idx ),
                   "AddGrowableRow() called for growable row" );
     m_growableRows.Add( idx );
     m_growableRowsProportions.Add( proportion );
@@ -1838,7 +1847,11 @@ void wxFlexGridSizer::AddGrowableRow( size_t idx, int proportion )
 
 void wxFlexGridSizer::AddGrowableCol( size_t idx, int proportion )
 {
-    wxASSERT_MSG( !IsColGrowable( idx ), 
+    int nrows, ncols;
+    CalcRowsCols(nrows, ncols);
+    wxCHECK_RET( idx < (size_t)ncols, "invalid column index" );
+
+    wxASSERT_MSG( !IsColGrowable( idx ),
                   "AddGrowableCol() called for growable column" );
     m_growableCols.Add( idx );
     m_growableColsProportions.Add( proportion );