X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/27f35b6674b796e61986681261ec7a96bef93502..7948c0c24401c496c04da3c28f1f1f2f282ba327:/src/generic/grid.cpp

diff --git a/src/generic/grid.cpp b/src/generic/grid.cpp
index c5ad5fc40c..dc65ee909e 100644
--- a/src/generic/grid.cpp
+++ b/src/generic/grid.cpp
@@ -5746,10 +5746,10 @@ void wxGrid::OnPaint( wxPaintEvent& WXUNUSED(event) )
     wxPaintDC dc(this);  // needed to prevent zillions of paint events on MSW
 }
 
-void wxGrid::Refresh(bool eraseb, wxRect* rect= NULL)
+void wxGrid::Refresh(bool eraseb, wxRect* rect)
 {
-    //Don't do anything if between Begin/EndBatch...
-    //   endbatch will do all this on the last nested one anyway.
+    // Don't do anything if between Begin/EndBatch...
+    // EndBatch() will do all this on the last nested one anyway.
     if (! GetBatchCount())
     {
         wxScrolledWindow::Refresh(eraseb,rect);
@@ -6788,7 +6788,6 @@ void wxGrid::DrawTextRectangle( wxDC& dc,
 {
     wxArrayString lines;
 
-    dc.SetClippingRegion( rect );
     StringToLines( value, lines );
 
 
@@ -6810,6 +6809,7 @@ void wxGrid::DrawTextRectangle( wxDC& dc,
     long textWidth, textHeight;
     long lineWidth, lineHeight;
 
+    dc.SetClippingRegion( rect );
     if ( lines.GetCount() )
     {
         GetTextBoxSize( dc, lines, &textWidth, &textHeight );
@@ -8509,11 +8509,17 @@ bool wxGrid::LookupAttr(int row, int col, wxGridCellAttr **attr) const
 
 wxGridCellAttr *wxGrid::GetCellAttr(int row, int col) const
 {
-    wxGridCellAttr *attr;
-    if ( !LookupAttr(row, col, &attr) )
+    wxGridCellAttr *attr = NULL;
+    // Additional test to avoid looking at the cache e.g. for
+    // wxNoCellCoords, as this will confuse memory management.
+    if ( row >= 0 )
     {
-        attr = m_table ? m_table->GetAttr(row, col , wxGridCellAttr::Any) : (wxGridCellAttr *)NULL;
-        CacheAttr(row, col, attr);
+	if ( !LookupAttr(row, col, &attr) )
+	{
+	    attr = m_table ? m_table->GetAttr(row, col , wxGridCellAttr::Any)
+	                   : (wxGridCellAttr *)NULL;
+	    CacheAttr(row, col, attr);
+	}
     }
     if (attr)
     {
@@ -9181,8 +9187,17 @@ wxSize wxGrid::DoGetBestSize() const
     // don't set sizes, only calculate them
     wxGrid *self = (wxGrid *)this;  // const_cast
 
-    return wxSize(self->SetOrCalcColumnSizes(TRUE),
-                  self->SetOrCalcRowSizes(TRUE));
+    int width, height;
+    width = self->SetOrCalcColumnSizes(TRUE);
+    height = self->SetOrCalcRowSizes(TRUE);
+
+    int maxwidth, maxheight;
+    wxDisplaySize( & maxwidth, & maxheight );
+
+    if ( width > maxwidth ) width = maxwidth;
+    if ( height > maxheight ) height = maxheight;
+
+    return wxSize( width, height );
 }
 
 void wxGrid::Fit()
@@ -9333,7 +9348,7 @@ bool wxGrid::IsSelection()
                m_selectingBottomRight != wxGridNoCellCoords) ) );
 }
 
-bool wxGrid::IsInSelection( int row, int col )
+bool wxGrid::IsInSelection( int row, int col ) const
 {
     return ( m_selection && (m_selection->IsInSelection( row, col ) ||
              ( row >= m_selectingTopLeft.GetRow() &&