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prevent crash if panel/kicker is killed, bug 1872724

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@53563 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Paul Cornett
2008-05-11 22:45:36 +00:00
parent 9c8116f8f7
commit 3abc756645
2 changed files with 14 additions and 0 deletions
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11
src/unix/taskbarx11.cpp
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@@ -276,6 +276,14 @@ bool wxTaskBarIcon::IsIconInstalled() const
return m_iconWnd != NULL;
}
// Destroy event from wxTaskBarIconArea
void wxTaskBarIcon::OnDestroy(wxWindowDestroyEvent&)
{
// prevent crash if wxTaskBarIconArea is destroyed by something else,
// for example if panel/kicker is killed
m_iconWnd = NULL;
}
bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip)
{
wxBitmap bmp;
@@ -286,6 +294,9 @@ bool wxTaskBarIcon::SetIcon(const wxIcon& icon, const wxString& tooltip)
m_iconWnd = new wxTaskBarIconArea(this, bmp);
if (m_iconWnd->IsOk())
{
m_iconWnd->Connect(wxEVT_DESTROY,
wxWindowDestroyEventHandler(wxTaskBarIcon::OnDestroy),
NULL, this);
m_iconWnd->Show();
}
else