X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/8907154c1a8a6882c6797d1f16393ddfb23e7f3a..05e0b047d879cdbfade7f2ab346c0acdf3e29f96:/src/generic/caret.cpp

diff --git a/src/generic/caret.cpp b/src/generic/caret.cpp
index b767a00c1e..6fb06d61a3 100644
--- 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, GetWindow() );
+    }
+#else
     wxMemoryDC dcMem;
     dcMem.SelectObject(m_bmpUnderCaret);
     if ( m_blinkedOut )
@@ -241,16 +261,28 @@ void wxCaret::Refresh()
         //      more
 
         // and draw the caret there
-        DoDraw(&dcWin);
+        DoDraw(&dcWin, GetWindow());
     }
+#endif
 }
 
-void wxCaret::DoDraw(wxDC *dc)
+void wxCaret::DoDraw(wxDC *dc, wxWindow* win)
 {
-    dc->SetPen( *wxBLACK_PEN );
-
-    dc->SetBrush(*(m_hasFocus ? wxBLACK_BRUSH : wxTRANSPARENT_BRUSH));
-    dc->SetPen(*wxBLACK_PEN);
+    wxPen pen(*wxBLACK_PEN);
+    wxBrush brush(*wxBLACK_BRUSH);
+    if (win)
+    {
+        wxColour backgroundColour(win->GetBackgroundColour());
+        if (backgroundColour.Red() < 100 &&
+            backgroundColour.Green() < 100 &&
+            backgroundColour.Blue() < 100)
+        {
+            pen = *wxWHITE_PEN;
+            brush = *wxWHITE_BRUSH;
+        }
+    }
+    dc->SetPen( pen );
+    dc->SetBrush(m_hasFocus ? brush : *wxTRANSPARENT_BRUSH);
 
     // VZ: unfortunately, the rectangle comes out a pixel smaller when this is
     //     done under wxGTK - no idea why