1. use a manifest constant wxNO_LEN instead of -1 for lengths everywhere

[wxWidgets.git] / src / common / sizer.cpp

diff --git a/src/common/sizer.cpp b/src/common/sizer.cpp
index 892ae3ebcfac05c05cf9ed969148077c4c22a781..ea63c184c9367d294cb00b5a82ee432daefe3b83 100644 (file)
--- a/src/common/sizer.cpp
+++ b/src/common/sizer.cpp
@@ -1,5 +1,5 @@
 /////////////////////////////////////////////////////////////////////////////
-// Name:        sizer.cpp
+// Name:        src/common/sizer.cpp
 // Purpose:     provide new wxSizer class for layout
 // Author:      Robert Roebling and Robin Dunn, contributions by
 //              Dirk Holtwick, Ron Lee
@@ -20,6 +20,7 @@
 #ifndef WX_PRECOMP
     #include "wx/string.h"
     #include "wx/intl.h"
+    #include "wx/math.h"
 #endif // WX_PRECOMP
 
 #include "wx/sizer.h"
@@ -265,7 +266,7 @@ wxSize wxSizerItem::CalcMin()
 
         // if we have to preserve aspect ratio _AND_ this is
         // the first-time calculation, consider ret to be initial size
-        if ((m_flag & wxSHAPED) && !m_ratio)
+        if ( (m_flag & wxSHAPED) && wxIsNullDouble(m_ratio) )
             SetRatio(m_minSize);
     }
     else if ( IsWindow() )
@@ -446,7 +447,20 @@ bool wxSizerItem::IsShown() const
             return m_window->IsShown();
 
         case Item_Sizer:
-            return m_sizer->IsShown();
+            // arbitrarily decide that if at least one of our elements is
+            // shown, so are we (this arbitrariness is the reason for
+            // deprecating this function)
+            {
+                for ( wxSizerItemList::compatibility_iterator
+                        node = m_sizer->GetChildren().GetFirst();
+                      node;
+                      node = node->GetNext() )
+                {
+                    if ( node->GetData()->IsShown() )
+                        return true;
+                }
+            }
+            return false;
 
         case Item_Spacer:
             return m_spacer->IsShown();
@@ -459,6 +473,7 @@ bool wxSizerItem::IsShown() const
     return false;
 }
 
+#if WXWIN_COMPATIBILITY_2_6
 void wxSizerItem::SetOption( int option )
 {
     SetProportion( option );
@@ -468,17 +483,13 @@ int wxSizerItem::GetOption() const
 {
     return GetProportion();
 }
+#endif // WXWIN_COMPATIBILITY_2_6
 
 
 //---------------------------------------------------------------------------
 // wxSizer
 //---------------------------------------------------------------------------
 
-wxSizer::wxSizer()
-{
-    m_isShown = true;
-}
-
 wxSizer::~wxSizer()
 {
     WX_CLEAR_LIST(wxSizerItemList, m_children);
@@ -494,10 +505,12 @@ wxSizerItem* wxSizer::Insert( size_t index, wxSizerItem *item )
     return item;
 }
 
+#if WXWIN_COMPATIBILITY_2_6
 bool wxSizer::Remove( wxWindow *window )
 {
     return Detach( window );
 }
+#endif // WXWIN_COMPATIBILITY_2_6
 
 bool wxSizer::Remove( wxSizer *sizer )
 {
@@ -1323,10 +1336,12 @@ void wxFlexGridSizer::AdjustForFlexDirection()
         wxArrayInt& array = m_flexDirection == wxVERTICAL ? m_colWidths
                                                           : m_rowHeights;
 
-        const int count = array.GetCount();
+        const size_t count = array.GetCount();
 
         // find the largest value in this array
-        int n, largest = 0;
+        size_t n;
+        int largest = 0;
+
         for ( n = 0; n < count; ++n )
         {
             if ( array[n] > largest )