fixed (rare but fatal) bug in wxWindowDisabler

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

diff --git a/src/generic/scrolwin.cpp b/src/generic/scrolwin.cpp
index e6afcadfb60cc7ec34b65448583868da3b135584..1a8af0154780f89b361827a302df0e499aae5ebc 100644 (file)
--- a/src/generic/scrolwin.cpp
+++ b/src/generic/scrolwin.cpp
@@ -110,8 +110,14 @@ bool wxScrolledWindow::Create(wxWindow *parent,
 
     m_targetWindow = this;
 
-    // we need wxWANTS_CHARS to process arrows ourselves
-    return wxPanel::Create(parent, id, pos, size, style | wxWANTS_CHARS, name);
+    bool ok = wxPanel::Create(parent, id, pos, size, style, name);
+
+#ifdef __WXMSW__
+    // we need to process arrows ourselves for scrolling
+    m_lDlgCode |= DLGC_WANTARROWS;
+#endif // __WXMSW__
+
+    return ok;
 }
 
 wxScrolledWindow::~wxScrolledWindow()
@@ -513,7 +519,7 @@ void wxScrolledWindow::Scroll( int x_pos, int y_pos )
     int w, h;
     m_targetWindow->GetClientSize(&w, &h);
 
-    if (x_pos != -1)
+    if ((x_pos != -1) && (m_xScrollPixelsPerLine))
     {
         int old_x = m_xScrollPosition;
         m_xScrollPosition = x_pos;
@@ -533,7 +539,7 @@ void wxScrolledWindow::Scroll( int x_pos, int y_pos )
         m_targetWindow->SetScrollPos( wxHORIZONTAL, m_xScrollPosition, TRUE );
         m_targetWindow->ScrollWindow( (old_x-m_xScrollPosition)*m_xScrollPixelsPerLine, 0 );
     }
-    if (y_pos != -1)
+    if ((y_pos != -1) && (m_yScrollPixelsPerLine))
     {
         int old_y = m_yScrollPosition;
         m_yScrollPosition = y_pos;
@@ -640,12 +646,12 @@ void wxScrolledWindow::OnChar(wxKeyEvent& event)
     if( m_xScrollPixelsPerLine )
     {
         clix /= m_xScrollPixelsPerLine;
-       szx /= m_xScrollPixelsPerLine;
+        szx /= m_xScrollPixelsPerLine;
     }
     else
     {
         clix = 0;
-       szx = -1;
+        szx = -1;
     }
     if( m_yScrollPixelsPerLine )
     {
@@ -655,15 +661,16 @@ void wxScrolledWindow::OnChar(wxKeyEvent& event)
     else
     {
         cliy = 0;
-       szy = -1;
+        szy = -1;
     }
 
+    int dsty;
     switch ( event.KeyCode() )
     {
         case WXK_PAGEUP:
         case WXK_PRIOR:
-            int y = sty - (5 * cliy / 6);
-            Scroll(-1, (y == -1) ? 0 : y);
+            dsty = sty - (5 * cliy / 6);
+            Scroll(-1, (dsty == -1) ? 0 : dsty);
             break;
 
         case WXK_PAGEDOWN: