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Don't redraw wxSplitterWindow sash needlessly

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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
1 changed files with 7 additions and 2 deletions
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9
src/generic/splitter.cpp
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@@ -662,6 +662,8 @@ void wxSplitterWindow::SetSashPositionAndNotify(int sashPos)
// including the edges next to the sash. // including the edges next to the sash.
void wxSplitterWindow::SizeWindows() void wxSplitterWindow::SizeWindows()
{ {
int oldSashPosition = m_sashPosition;
// check if we have delayed setting the real sash position // check if we have delayed setting the real sash position
if ( m_requestedSashPosition != INT_MAX ) if ( m_requestedSashPosition != INT_MAX )
{ {
@@ -727,8 +729,11 @@ void wxSplitterWindow::SizeWindows()
GetWindow1()->SetSize(border, border, w1, h1); GetWindow1()->SetSize(border, border, w1, h1);
} }
wxClientDC dc(this); if ( oldSashPosition != m_sashPosition )
DrawSash(dc); {
wxClientDC dc(this);
DrawSash(dc);
}
} }
// Set pane for unsplit window // Set pane for unsplit window