Rewind the input stream after failing to load image from it.

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

diff --git a/src/common/gbsizer.cpp b/src/common/gbsizer.cpp
index 81c88b1d3cc3eb515b7bf4fe79d974468de77e5e..66c27e82993ea419cbcfe30b6babb61ae412c504 100644 (file)
--- a/src/common/gbsizer.cpp
+++ b/src/common/gbsizer.cpp
@@ -187,7 +187,7 @@ wxSizerItem* wxGridBagSizer::Add( wxWindow *window,
     else
     {
         delete item;
-        return (wxSizerItem*)NULL;
+        return NULL;
     }
 }
 
@@ -201,7 +201,7 @@ wxSizerItem* wxGridBagSizer::Add( wxSizer *sizer,
     else
     {
         delete item;
-        return (wxSizerItem*)NULL;
+        return NULL;
     }
 }
 
@@ -215,7 +215,7 @@ wxSizerItem* wxGridBagSizer::Add( int width, int height,
     else
     {
         delete item;
-        return (wxSizerItem*)NULL;
+        return NULL;
     }
 }
 
@@ -228,6 +228,18 @@ wxSizerItem* wxGridBagSizer::Add( wxGBSizerItem *item )
     if ( item->GetWindow() )
         item->GetWindow()->SetContainingSizer( this );
 
+    // extend the number of rows/columns of the underlying wxFlexGridSizer if
+    // necessary
+    int row, col;
+    item->GetEndPos(row, col);
+    row++;
+    col++;
+
+    if ( row > GetRows() )
+        SetRows(row);
+    if ( col > GetCols() )
+        SetCols(col);
+
     return item;
 }
 
@@ -266,7 +278,7 @@ wxGBPosition wxGridBagSizer::GetItemPosition(size_t index)
 {
     wxGBPosition badpos(-1,-1);
     wxSizerItemList::compatibility_iterator node = m_children.Item( index );
-    wxCHECK_MSG( node, badpos, _T("Failed to find item.") );
+    wxCHECK_MSG( node, badpos, wxT("Failed to find item.") );
     wxGBSizerItem* item = (wxGBSizerItem*)node->GetData();
     return item->GetPos();
 }
@@ -292,7 +304,7 @@ bool wxGridBagSizer::SetItemPosition(wxSizer *sizer, const wxGBPosition& pos)
 bool wxGridBagSizer::SetItemPosition(size_t index, const wxGBPosition& pos)
 {
     wxSizerItemList::compatibility_iterator node = m_children.Item( index );
-    wxCHECK_MSG( node, false, _T("Failed to find item.") );
+    wxCHECK_MSG( node, false, wxT("Failed to find item.") );
     wxGBSizerItem* item = (wxGBSizerItem*)node->GetData();
     return item->SetPos(pos);
 }
@@ -303,7 +315,7 @@ wxGBSpan wxGridBagSizer::GetItemSpan(wxWindow *window)
 {
     wxGBSpan badspan(-1,-1);
     wxGBSizerItem* item = FindItem(window);
-    wxCHECK_MSG( item, badspan, _T("Failed to find item.") );
+    wxCHECK_MSG( item, badspan, wxT("Failed to find item.") );
     return item->GetSpan();
 }
 
@@ -312,7 +324,7 @@ wxGBSpan wxGridBagSizer::GetItemSpan(wxSizer *sizer)
 {
     wxGBSpan badspan(-1,-1);
     wxGBSizerItem* item = FindItem(sizer);
-    wxCHECK_MSG( item, badspan, _T("Failed to find item.") );
+    wxCHECK_MSG( item, badspan, wxT("Failed to find item.") );
     return item->GetSpan();
 }
 
@@ -321,7 +333,7 @@ wxGBSpan wxGridBagSizer::GetItemSpan(size_t index)
 {
     wxGBSpan badspan(-1,-1);
     wxSizerItemList::compatibility_iterator node = m_children.Item( index );
-    wxCHECK_MSG( node, badspan, _T("Failed to find item.") );
+    wxCHECK_MSG( node, badspan, wxT("Failed to find item.") );
     wxGBSizerItem* item = (wxGBSizerItem*)node->GetData();
     return item->GetSpan();
 }
@@ -347,7 +359,7 @@ bool wxGridBagSizer::SetItemSpan(wxSizer *sizer, const wxGBSpan& span)
 bool wxGridBagSizer::SetItemSpan(size_t index, const wxGBSpan& span)
 {
     wxSizerItemList::compatibility_iterator node = m_children.Item( index );
-    wxCHECK_MSG( node, false, _T("Failed to find item.") );
+    wxCHECK_MSG( node, false, wxT("Failed to find item.") );
     wxGBSizerItem* item = (wxGBSizerItem*)node->GetData();
     return item->SetSpan(span);
 }
@@ -571,7 +583,7 @@ void wxGridBagSizer::RecalcSizes()
 void wxGridBagSizer::AdjustForOverflow()
 {
     int row, col;
-    
+
     for (row=0; row<(int)m_rowHeights.GetCount(); row++)
     {
         int rowExtra=INT_MAX;
@@ -580,12 +592,12 @@ void wxGridBagSizer::AdjustForOverflow()
         {
             wxGBPosition pos(row,col);
             wxGBSizerItem* item = FindItemAtPosition(pos);
-            if ( !item )
+            if ( !item || !item->IsShown() )
                 continue;
 
             int endrow, endcol;
             item->GetEndPos(endrow, endcol);
-            
+
             // If the item starts in this position and doesn't span rows, then
             // just look at the whole item height
             if ( item->GetPos() == pos && endrow == row )
@@ -605,7 +617,7 @@ void wxGridBagSizer::AdjustForOverflow()
 
                 if ( itemHeight < 0 )
                     itemHeight = 0;
-                
+
                 // and check how much is left
                 rowExtra = wxMin(rowExtra, rowHeight - itemHeight);
             }
@@ -623,12 +635,12 @@ void wxGridBagSizer::AdjustForOverflow()
         {
             wxGBPosition pos(row,col);
             wxGBSizerItem* item = FindItemAtPosition(pos);
-            if ( !item )
+            if ( !item || !item->IsShown() )
                 continue;
 
             int endrow, endcol;
             item->GetEndPos(endrow, endcol);
-            
+
             if ( item->GetPos() == pos && endcol == col )
             {
                 int itemWidth = item->CalcMin().GetWidth();
@@ -644,7 +656,7 @@ void wxGridBagSizer::AdjustForOverflow()
 
                 if ( itemWidth < 0 )
                     itemWidth = 0;
-                
+
                 colExtra = wxMin(colExtra, colWidth - itemWidth);
             }
         }
@@ -652,7 +664,7 @@ void wxGridBagSizer::AdjustForOverflow()
             m_colWidths[col] -= colExtra;
     }
 
-    
+
 }
 
 //---------------------------------------------------------------------------
@@ -729,56 +741,56 @@ wxSizerItem* wxGridBagSizer::Add( int width, int height, int, int flag, int bord
 wxSizerItem* wxGridBagSizer::Add( wxSizerItem * )
 {
     wxFAIL_MSG(wxT("Invalid Add form called."));
-    return (wxSizerItem*)NULL;
+    return NULL;
 }
 
 wxSizerItem* wxGridBagSizer::Prepend( wxWindow *, int, int, int, wxObject*  )
 {
     wxFAIL_MSG(wxT("Prepend should not be used with wxGridBagSizer."));
-    return (wxSizerItem*)NULL;
+    return NULL;
 }
 
 wxSizerItem* wxGridBagSizer::Prepend( wxSizer *, int, int, int, wxObject*  )
 {
     wxFAIL_MSG(wxT("Prepend should not be used with wxGridBagSizer."));
-    return (wxSizerItem*)NULL;
+    return NULL;
 }
 
 wxSizerItem* wxGridBagSizer::Prepend( int, int, int, int, int, wxObject*  )
 {
     wxFAIL_MSG(wxT("Prepend should not be used with wxGridBagSizer."));
-    return (wxSizerItem*)NULL;
+    return NULL;
 }
 
 wxSizerItem* wxGridBagSizer::Prepend( wxSizerItem * )
 {
     wxFAIL_MSG(wxT("Prepend should not be used with wxGridBagSizer."));
-    return (wxSizerItem*)NULL;
+    return NULL;
 }
 
 
 wxSizerItem* wxGridBagSizer::Insert( size_t, wxWindow *, int, int, int, wxObject*  )
 {
     wxFAIL_MSG(wxT("Insert should not be used with wxGridBagSizer."));
-    return (wxSizerItem*)NULL;
+    return NULL;
 }
 
 wxSizerItem* wxGridBagSizer::Insert( size_t, wxSizer *, int, int, int, wxObject*  )
 {
     wxFAIL_MSG(wxT("Insert should not be used with wxGridBagSizer."));
-    return (wxSizerItem*)NULL;
+    return NULL;
 }
 
 wxSizerItem* wxGridBagSizer::Insert( size_t, int, int, int, int, int, wxObject*  )
 {
     wxFAIL_MSG(wxT("Insert should not be used with wxGridBagSizer."));
-    return (wxSizerItem*)NULL;
+    return NULL;
 }
 
 wxSizerItem* wxGridBagSizer::Insert( size_t, wxSizerItem * )
 {
     wxFAIL_MSG(wxT("Insert should not be used with wxGridBagSizer."));
-    return (wxSizerItem*)NULL;
+    return NULL;
 }