46 lines
1.3 KiB
C++
46 lines
1.3 KiB
C++
///////////////////////////////////////////////////////////////////////////////
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// Name: gtk/private/error.h
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// Purpose: Wrapper around GError.
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// Author: Vadim Zeitlin
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// Created: 2012-07-25
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// Copyright: (c) 2012 Vadim Zeitlin <vadim@wxwidgets.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_GTK_PRIVATE_ERROR_H_
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#define _WX_GTK_PRIVATE_ERROR_H_
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// ----------------------------------------------------------------------------
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// wxGtkError wraps GError and releases it automatically.
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// ----------------------------------------------------------------------------
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// Create an object of this class and pass the result of its Out() method to a
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// function taking "GError**", then use GetMessage() if the function returned
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// false.
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class wxGtkError
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{
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public:
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wxGtkError() { m_error = NULL; }
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~wxGtkError() { if ( m_error ) g_error_free(m_error); }
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GError** Out()
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{
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// This would result in a GError leak.
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wxASSERT_MSG( !m_error, wxS("Can't reuse the same object.") );
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return &m_error;
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}
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wxString GetMessage() const
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{
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return wxString::FromUTF8(m_error->message);
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}
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private:
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GError* m_error;
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wxDECLARE_NO_COPY_CLASS(wxGtkError);
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};
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#endif // _WX_GTK_PRIVATE_ERROR_H_
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