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Prevent seg fault for older GTK+

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git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/branches/WX_2_8_BRANCH@47024 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
This commit is contained in:
Julian Smart
2007-06-29 16:59:23 +00:00
parent 4c2a8b753d
commit 909fa782a9
2 changed files with 10 additions and 5 deletions
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3
include/wx/gtk/filepicker.h
View File

@@ -36,7 +36,8 @@
\ \
virtual bool Destroy() \ virtual bool Destroy() \
{ \ { \
m_dialog->Destroy(); \ if (m_dialog) \
m_dialog->Destroy(); \
return wxButton::Destroy(); \ return wxButton::Destroy(); \
} \ } \
\ \

12
src/gtk/filepicker.cpp
View File

@@ -108,7 +108,8 @@ wxFileButton::~wxFileButton()
// GtkFileChooserDialog associated with m_dialog. // GtkFileChooserDialog associated with m_dialog.
// Thus we have to set its m_widget to NULL to avoid // Thus we have to set its m_widget to NULL to avoid
// double destruction on same widget // double destruction on same widget
m_dialog->m_widget = NULL; if (m_dialog)
m_dialog->m_widget = NULL;
} }
void wxFileButton::OnDialogOK(wxCommandEvent& ev) void wxFileButton::OnDialogOK(wxCommandEvent& ev)
@@ -129,7 +130,8 @@ void wxFileButton::OnDialogOK(wxCommandEvent& ev)
void wxFileButton::SetPath(const wxString &str) void wxFileButton::SetPath(const wxString &str)
{ {
m_path = str; m_path = str;
UpdateDialogPath(m_dialog); if (m_dialog)
UpdateDialogPath(m_dialog);
} }
#endif // wxUSE_FILEPICKERCTRL && defined(__WXGTK26__) #endif // wxUSE_FILEPICKERCTRL && defined(__WXGTK26__)
@@ -255,7 +257,8 @@ wxDirButton::~wxDirButton()
// GtkFileChooserDialog associated with m_dialog. // GtkFileChooserDialog associated with m_dialog.
// Thus we have to set its m_widget to NULL to avoid // Thus we have to set its m_widget to NULL to avoid
// double destruction on same widget // double destruction on same widget
m_dialog->m_widget = NULL; if (m_dialog)
m_dialog->m_widget = NULL;
} }
void wxDirButton::SetPath(const wxString &str) void wxDirButton::SetPath(const wxString &str)
@@ -269,7 +272,8 @@ void wxDirButton::SetPath(const wxString &str)
// general with all wxWidgets control-manipulation functions which do not send events). // general with all wxWidgets control-manipulation functions which do not send events).
m_bIgnoreNextChange = true; m_bIgnoreNextChange = true;
UpdateDialogPath(m_dialog); if (m_dialog)
UpdateDialogPath(m_dialog);
} }
#endif // wxUSE_DIRPICKERCTRL && defined(__WXGTK26__) #endif // wxUSE_DIRPICKERCTRL && defined(__WXGTK26__)