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small change to avoid floating point exception in wxScrolledWindow::Scroll

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@6607 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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Unknown (NI)
2000-03-11 03:05:27 +00:00
parent b7e1921351
commit 8775b35700
1 changed files with 2 additions and 2 deletions
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4
src/generic/scrolwin.cpp
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@@ -519,7 +519,7 @@ void wxScrolledWindow::Scroll( int x_pos, int y_pos )
int w, h; int w, h;
m_targetWindow->GetClientSize(&w, &h); m_targetWindow->GetClientSize(&w, &h);
if (x_pos != -1) if ((x_pos != -1) && (m_xScrollPixelsPerLine))
{ {
int old_x = m_xScrollPosition; int old_x = m_xScrollPosition;
m_xScrollPosition = x_pos; m_xScrollPosition = x_pos;
@@ -539,7 +539,7 @@ void wxScrolledWindow::Scroll( int x_pos, int y_pos )
m_targetWindow->SetScrollPos( wxHORIZONTAL, m_xScrollPosition, TRUE ); m_targetWindow->SetScrollPos( wxHORIZONTAL, m_xScrollPosition, TRUE );
m_targetWindow->ScrollWindow( (old_x-m_xScrollPosition)*m_xScrollPixelsPerLine, 0 ); 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; int old_y = m_yScrollPosition;
m_yScrollPosition = y_pos; m_yScrollPosition = y_pos;