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fixed crash in wxSpinButton (patch 646214)

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@21812 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Vadim Zeitlin
2003-07-09 21:38:05 +00:00
parent cda66071f1
commit f9bd9677e8
1 changed files with 16 additions and 4 deletions
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20
src/univ/scrarrow.cpp
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@@ -170,7 +170,7 @@ bool wxScrollArrows::HandleMouseMove(const wxMouseEvent& event) const
arrow = m_control->HitTest(event.GetPosition());
}
if ( m_captureData )
if ( m_captureData && m_captureData->m_timerScroll)
{
// the mouse is captured, we may want to pause scrolling if it goes
// outside the arrow or to resume it if we had paused it before
@@ -246,11 +246,23 @@ bool wxScrollArrows::HandleMouse(const wxMouseEvent& event) const
m_captureData->m_window = m_control->GetWindow();
m_captureData->m_window->CaptureMouse();
// start scrolling
m_captureData->m_timerScroll =
// start scrolling
wxScrollArrowTimer *tmpTimerScroll =
new wxScrollArrowTimer(m_control, arrow);
m_control->SetArrowFlag(arrow, wxCONTROL_PRESSED, TRUE);
// Because in some cases wxScrollArrowTimer can cause
// m_captureData to be destructed we need to test if it
// is still valid before using.
if (m_captureData)
{
m_captureData->m_timerScroll = tmpTimerScroll;
m_control->SetArrowFlag(arrow, wxCONTROL_PRESSED, TRUE);
}
else
{
delete tmpTimerScroll;
}
}
//else: mouse already captured, nothing to do
}