X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/4c7d530a267f11be1e9cf20d7bfa5313286fee1c..938fbc8f74d393dc051fa5c80972e29ccdb2c500:/src/common/docview.cpp?ds=inline diff --git a/src/common/docview.cpp b/src/common/docview.cpp index 8262d0b362..c00db551ce 100644 --- a/src/common/docview.cpp +++ b/src/common/docview.cpp @@ -664,12 +664,31 @@ wxView::~wxView() // box which would result in an activation event for m_docChildFrame and so // could reactivate the view being destroyed -- unless we reset it first if ( m_docChildFrame && m_docChildFrame->GetView() == this ) + { + // prevent it from doing anything with us m_docChildFrame->SetView(NULL); + // it doesn't make sense to leave the frame alive if its associated + // view doesn't exist any more so unconditionally close it as well + // + // notice that we only get here if m_docChildFrame is non-NULL in the + // first place and it will be always NULL if we're deleted because our + // frame was closed, so this only catches the case of directly deleting + // the view, as it happens if its creation fails in wxDocTemplate:: + // CreateView() for example + m_docChildFrame->GetWindow()->Destroy(); + } + if ( m_viewDocument ) m_viewDocument->RemoveView(this); } +void wxView::SetDocChildFrame(wxDocChildFrameAnyBase *docChildFrame) +{ + SetFrame(docChildFrame ? docChildFrame->GetWindow() : NULL); + m_docChildFrame = docChildFrame; +} + bool wxView::TryBefore(wxEvent& event) { wxDocument * const doc = GetDocument(); @@ -1817,6 +1836,13 @@ bool wxDocChildFrameAnyBase::CloseView(wxCloseEvent& event) } m_childView->Activate(false); + + // it is important to reset m_childView frame pointer to NULL before + // deleting it because while normally it is the frame which deletes the + // view when it's closed, the view also closes the frame if it is + // deleted directly not by us as indicated by its doc child frame + // pointer still being set + m_childView->SetDocChildFrame(NULL); delete m_childView; m_childView = NULL; }