prevent memory leak

[wxWidgets.git] / src / generic / caret.cpp

diff --git a/src/generic/caret.cpp b/src/generic/caret.cpp
index b767a00c1ed53f1100c772adcd0d60c22a5e3945..5cad74d0864ac08890d6c7d84d5b72cd8d3b9760 100644 (file)
--- a/src/generic/caret.cpp
+++ b/src/generic/caret.cpp
@@ -88,10 +88,11 @@ void wxCaret::InitGeneric()
 {
     m_hasFocus = true;
     m_blinkedOut = true;
-
+#ifndef wxHAS_CARET_USING_OVERLAYS
     m_xOld =
     m_yOld = -1;
     m_bmpUnderCaret.Create(m_width, m_height);
+#endif
 }
 
 wxCaret::~wxCaret()
@@ -130,6 +131,9 @@ void wxCaret::DoHide()
 
 void wxCaret::DoMove()
 {
+#ifdef wxHAS_CARET_USING_OVERLAYS
+    m_overlay.Reset();
+#endif
     if ( IsVisible() )
     {
         if ( !m_blinkedOut )
@@ -154,8 +158,12 @@ void wxCaret::DoSize()
         m_countVisible = 0;
         DoHide();
     }
+#ifdef wxHAS_CARET_USING_OVERLAYS
+    m_overlay.Reset();
+#else
     // Change bitmap size
     m_bmpUnderCaret = wxBitmap(m_width, m_height);
+#endif
     if (countVisible > 0)
     {
         m_countVisible = countVisible;
@@ -208,6 +216,18 @@ void wxCaret::Blink()
 void wxCaret::Refresh()
 {
     wxClientDC dcWin(GetWindow());
+// this is the new code, switch to 0 if this gives problems
+#ifdef wxHAS_CARET_USING_OVERLAYS
+    wxDCOverlay dcOverlay( m_overlay, &dcWin, m_x, m_y, m_width , m_height );
+    if ( m_blinkedOut )
+    {
+        dcOverlay.Clear();
+    }
+    else
+    {
+        DoDraw( &dcWin );
+    }
+#else
     wxMemoryDC dcMem;
     dcMem.SelectObject(m_bmpUnderCaret);
     if ( m_blinkedOut )
@@ -243,6 +263,7 @@ void wxCaret::Refresh()
         // and draw the caret there
         DoDraw(&dcWin);
     }
+#endif
 }
 
 void wxCaret::DoDraw(wxDC *dc)