- int xs, ys;
- GetViewStart(& xs, & ys);
-
- int old_x = m_xScrollPixelsPerLine * xs;
- int old_y = m_yScrollPixelsPerLine * ys;
-
- m_xScrollPixelsPerLine = pixelsPerUnitX;
- m_yScrollPixelsPerLine = pixelsPerUnitY;
-
- m_win->m_scrollBar[wxWindow::ScrollDir_Horz]->adjustment->value =
- m_xScrollPosition = xPos;
- m_win->m_scrollBar[wxWindow::ScrollDir_Vert]->adjustment->value =
- m_yScrollPosition = yPos;
-
- // Setting hints here should arguably be deprecated, but without it
- // a sizer might override this manual scrollbar setting in old code.
- // m_targetWindow->SetVirtualSizeHints( noUnitsX * pixelsPerUnitX, noUnitsY * pixelsPerUnitY );
-
- int w = noUnitsX * pixelsPerUnitX;
- int h = noUnitsY * pixelsPerUnitY;
- m_targetWindow->SetVirtualSize( w ? w : wxDefaultCoord,
- h ? h : wxDefaultCoord);
+ // prevent programmatic position changes from causing scroll events
+ m_win->SetScrollPos(wxHORIZONTAL, xPos);
+ m_win->SetScrollPos(wxVERTICAL, yPos);