void wxScrolledWindow::OnScroll(wxScrollWinEvent& event)
{
int orient = event.GetOrientation();
int nScrollInc = CalcScrollInc(event);
if (nScrollInc == 0) return;
if (orient == wxHORIZONTAL)
{
int newPos = m_xScrollPosition + nScrollInc;
SetScrollPos(wxHORIZONTAL, newPos, TRUE );
}
else
{
int newPos = m_yScrollPosition + nScrollInc;
SetScrollPos(wxVERTICAL, newPos, TRUE );
}
if (orient == wxHORIZONTAL)
{
m_xScrollPosition += nScrollInc;
}
else
{
m_yScrollPosition += nScrollInc;
}
if (orient == wxHORIZONTAL)
{
if (m_xScrollingEnabled)
m_targetWindow->ScrollWindow(-m_xScrollPixelsPerLine * nScrollInc, 0, (const wxRect *) NULL);
else
m_targetWindow->Refresh();
}
else
{
if (m_yScrollingEnabled)
m_targetWindow->ScrollWindow(0, -m_yScrollPixelsPerLine * nScrollInc, (const wxRect *) NULL);
else
m_targetWindow->Refresh();
}
}
void wxSplitterScrolledWindow::OnScroll(wxScrollWinEvent& event)
{
// Ensure that events being propagated back up the window hierarchy
// don't cause an infinite loop
static bool inOnScroll = FALSE;
if (inOnScroll)
{
event.Skip();
return;
}
inOnScroll = TRUE;
int orient = event.GetOrientation();
int nScrollInc = CalcScrollInc(event);
if (nScrollInc == 0)
{
inOnScroll = FALSE;
return;
}
if (orient == wxHORIZONTAL)
{
inOnScroll = FALSE;
event.Skip();
return;
#if 0
int newPos = m_xScrollPosition + nScrollInc;
SetScrollPos(wxHORIZONTAL, newPos, TRUE );
#endif
}
else
{
int newPos = m_yScrollPosition + nScrollInc;
SetScrollPos(wxVERTICAL, newPos, TRUE );
}
if (orient == wxHORIZONTAL)
{
m_xScrollPosition += nScrollInc;
}
else
{
m_yScrollPosition += nScrollInc;
}
// Find targets in splitter window and send the event to them
wxNode* node = GetChildren().First();
while (node)
{
wxWindow* child = (wxWindow*) node->Data();
if (child->IsKindOf(CLASSINFO(wxSplitterWindow)))
{
wxSplitterWindow* splitter = (wxSplitterWindow*) child;
if (splitter->GetWindow1())
splitter->GetWindow1()->ProcessEvent(event);
if (splitter->GetWindow2())
splitter->GetWindow2()->ProcessEvent(event);
break;
}
node = node->Next();
}
#ifdef __WXMAC__
m_targetWindow->MacUpdateImmediately() ;
#endif
inOnScroll = FALSE;
}
