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Kicad, Windows specific: disable a overzealous wxWidgets assert when reading a file. 

When reading (and writing) a file, we must switch the current locale to "C" for LC_NUMERIC.
Unfortunately, on Windows, a wxWidgets assert was shown when reading some items (bitmaps images).
This wxWidgets assert (related to decimal separator) is overzealous and is now hidden only when reading/writing files.
This commit is contained in:
jean-pierre charras 2018-10-29 20:34:48 +01:00
parent 4daaaa373c
commit 57800b934e
1 changed files with 26 additions and 1 deletions
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27
common/common.cpp
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@ -1,7 +1,7 @@
/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2014-2015 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2014-2018 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2008 Wayne Stambaugh <stambaughw@gmail.com>
* Copyright (C) 1992-2018 KiCad Developers, see AUTHORS.txt for contributors.
*
@ -57,9 +57,26 @@ using KIGFX::COLOR4D;
EDA_UNITS_T g_UserUnit;
COLOR4D g_GhostColor;
#ifdef _WIN32
// a wxAssertHandler_t function to filter wxWidgets alert messages when reading/writing a file
// when switching the locale to LC_NUMERIC, "C"
// It is used in class LOCALE_IO to hide a useless (in kicad) wxWidgets alert message
void KiAssertFilter( const wxString &file, int line,
const wxString &func, const wxString &cond,
const wxString &msg)
{
if( !msg.Contains( "Decimal separator mismatch" ) )
wxTheApp->OnAssertFailure( file, line, func, cond, msg );
}
#endif
std::atomic<unsigned int> LOCALE_IO::m_c_count(0);
// Note on Windows, setlocale( LC_NUMERIC, "C" ) works fine to read/write
// files with floating point numbers, but generates a overzealous wx alert
// in some cases (reading a bitmap for instance)
// So we disable alerts during the time a file is read or written
LOCALE_IO::LOCALE_IO()
{
// use thread safe, atomic operation
@ -67,6 +84,10 @@ LOCALE_IO::LOCALE_IO()
{
// Store the user locale name, to restore this locale later, in dtor
m_user_locale = setlocale( LC_NUMERIC, nullptr );
#ifdef _WIN32
// Disable wxWidgets alerts
wxSetAssertHandler( KiAssertFilter );
#endif
// Switch the locale to C locale, to read/write files with fp numbers
setlocale( LC_NUMERIC, "C" );
}
@ -80,6 +101,10 @@ LOCALE_IO::~LOCALE_IO()
{
// revert to the user locale
setlocale( LC_NUMERIC, m_user_locale.c_str() );
#ifdef _WIN32
// Enaable wxWidgets alerts
wxSetDefaultAssertHandler();
#endif
}
}