reset parent frame tool/status bar pointer automatically when the bar is destroyed; this ensures that we're never left with dangling pointers and fixes a crash under Mac when MDI child frame with a toolbar is closed
git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@29923 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
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@@ -61,6 +61,14 @@ wxStatusBarBase::~wxStatusBarBase()
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FreeWidths();
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FreeStacks();
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InitStyles();
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// notify the frame that it doesn't have a status bar any longer to avoid
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// dangling pointers
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wxFrameBase *frame = wxDynamicCast(GetParent(), wxFrameBase);
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if ( frame && frame->GetStatusBar() == this )
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{
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frame->SetStatusBar(NULL);
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}
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}
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// ----------------------------------------------------------------------------
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@@ -423,6 +423,14 @@ bool wxToolBarBase::Realize()
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wxToolBarBase::~wxToolBarBase()
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{
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WX_CLEAR_LIST(wxToolBarToolsList, m_tools);
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// notify the frame that it doesn't have a tool bar any longer to avoid
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// dangling pointers
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wxFrameBase *frame = wxDynamicCast(GetParent(), wxFrameBase);
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if ( frame && frame->GetToolBar() == this )
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{
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frame->SetToolBar(NULL);
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}
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}
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// ----------------------------------------------------------------------------
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