don't crash in wx(Flex)GridSizer with division by 0, assert instead; also factored out a lot of duplicated code in a single function

git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16854 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
2002-08-29 21:48:32 +00:00
parent 62d3ee70e5
commit 0ca5105b34
2 changed files with 58 additions and 70 deletions
--- a/include/wx/sizer.h
+++ b/include/wx/sizer.h
@@ -244,6 +244,9 @@ protected:
    int    m_vgap;
    int    m_hgap;

+    // return the number of total items and the number of columns and rows
+    int CalcRowsCols(int& rows, int& cols) const;
+
    void SetItemBounds( wxSizerItem *item, int x, int y, int w, int h );

 private: