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update window before changing the scrolling position and really scrolling it to avoid redraw problems in wxUniv

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@43103 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2006-11-06 01:45:03 +00:00
parent b792828e20
commit 8ea4569950
1 changed files with 10 additions and 0 deletions
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10
src/generic/scrlwing.cpp
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@@ -462,6 +462,11 @@ void wxScrollHelper::HandleOnScroll(wxScrollWinEvent& event)
return; return;
} }
// flush all pending repaints before we change m_{x,y}ScrollPosition, as
// otherwise invalidated area could be updated incorrectly later when
// ScrollWindow() makes sure they're repainted before scrolling them
m_targetWindow->Update();
int orient = event.GetOrientation(); int orient = event.GetOrientation();
if (orient == wxHORIZONTAL) if (orient == wxHORIZONTAL)
{ {
@@ -894,6 +899,11 @@ void wxScrollHelper::Scroll( int x_pos, int y_pos )
int w = 0, h = 0; int w = 0, h = 0;
GetTargetSize(&w, &h); GetTargetSize(&w, &h);
// flush all pending repaints before we change m_{x,y}ScrollPosition, as
// otherwise invalidated area could be updated incorrectly later when
// ScrollWindow() makes sure they're repainted before scrolling them
m_targetWindow->Update();
if ((x_pos != -1) && (m_xScrollPixelsPerLine)) if ((x_pos != -1) && (m_xScrollPixelsPerLine))
{ {
int old_x = m_xScrollPosition; int old_x = m_xScrollPosition;