Don't redraw wxSplitterWindow sash needlessly

Don't draw the sash in SizeWindows() unless its position was changed by
the function.
This commit is contained in:
Václav Slavík
2016-02-21 18:33:34 +01:00
parent 3a7951db2b
commit 6a0ea795d5

View File

@@ -662,6 +662,8 @@ void wxSplitterWindow::SetSashPositionAndNotify(int sashPos)
// including the edges next to the sash.
void wxSplitterWindow::SizeWindows()
{
int oldSashPosition = m_sashPosition;
// check if we have delayed setting the real sash position
if ( m_requestedSashPosition != INT_MAX )
{
@@ -727,8 +729,11 @@ void wxSplitterWindow::SizeWindows()
GetWindow1()->SetSize(border, border, w1, h1);
}
wxClientDC dc(this);
DrawSash(dc);
if ( oldSashPosition != m_sashPosition )
{
wxClientDC dc(this);
DrawSash(dc);
}
}
// Set pane for unsplit window