kicad/common/common.cpp

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/*
* 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) 2008-2015 Wayne Stambaugh <stambaughw@verizon.net>
* Copyright (C) 1992-2017 KiCad Developers, see AUTHORS.txt for contributors.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
/**
* @file common.cpp
*/
#include <fctsys.h>
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#include <eda_base_frame.h>
#include <base_struct.h>
#include <common.h>
#include <macros.h>
#include <base_units.h>
#include <reporter.h>
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#include <wx/process.h>
#include <wx/config.h>
#include <wx/utils.h>
#include <wx/stdpaths.h>
#include <wx/url.h>
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#include <pgm_base.h>
using KIGFX::COLOR4D;
/**
* Global variables definitions.
*
* TODO: All of these variables should be moved into the class were they
* are defined and used. Most of them probably belong in the
* application class.
*/
EDA_UNITS_T g_UserUnit;
COLOR4D g_GhostColor;
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/* Class LOCALE_IO
* is a class that can be instantiated within a scope in which you are expecting
* exceptions to be thrown. Its constructor sets a "C" locale, to read/print files
* with fp numbers.
* Its destructor insures that the default locale is restored if an exception
* is thrown, or not.
*/
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std::atomic<unsigned int> LOCALE_IO::m_c_count(0);
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LOCALE_IO::LOCALE_IO()
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{
// use thread safe, atomic operation
if( m_c_count++ == 0 )
{
// Store the user locale name, to restore this locale later, in dtor
m_user_locale = setlocale( LC_ALL, 0 );
// Switch the locale to C locale, to read/write files with fp numbers
setlocale( LC_ALL, "C" );
}
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}
LOCALE_IO::~LOCALE_IO()
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{
// use thread safe, atomic operation
if( --m_c_count == 0 )
{
// revert to the user locale
setlocale( LC_ALL, m_user_locale.c_str() );
}
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}
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wxSize GetTextSize( const wxString& aSingleLine, wxWindow* aWindow )
{
wxCoord width;
wxCoord height;
{
wxClientDC dc( aWindow );
dc.SetFont( aWindow->GetFont() );
dc.GetTextExtent( aSingleLine, &width, &height );
}
return wxSize( width, height );
}
bool EnsureTextCtrlWidth( wxTextCtrl* aCtrl, const wxString* aString )
{
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wxWindow* window = aCtrl->GetParent();
if( !window )
window = aCtrl;
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wxString ctrlText;
if( !aString )
{
ctrlText = aCtrl->GetValue();
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aString = &ctrlText;
}
wxSize textz = GetTextSize( *aString, window );
wxSize ctrlz = aCtrl->GetSize();
if( ctrlz.GetWidth() < textz.GetWidth() + 10 )
{
ctrlz.SetWidth( textz.GetWidth() + 10 );
aCtrl->SetSizeHints( ctrlz );
return true;
}
return false;
}
void wxStringSplit( const wxString& aText, wxArrayString& aStrings, wxChar aSplitter )
{
wxString tmp;
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for( unsigned ii = 0; ii < aText.Length(); ii++ )
{
if( aText[ii] == aSplitter )
{
aStrings.Add( tmp );
tmp.Clear();
}
else
tmp << aText[ii];
}
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if( !tmp.IsEmpty() )
{
aStrings.Add( tmp );
}
}
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int ProcessExecute( const wxString& aCommandLine, int aFlags, wxProcess *callback )
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{
return wxExecute( aCommandLine, aFlags, callback );
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}
timestamp_t GetNewTimeStamp()
{
static timestamp_t oldTimeStamp;
timestamp_t newTimeStamp;
newTimeStamp = time( NULL );
if( newTimeStamp <= oldTimeStamp )
newTimeStamp = oldTimeStamp + 1;
oldTimeStamp = newTimeStamp;
return newTimeStamp;
}
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double RoundTo0( double x, double precision )
{
assert( precision != 0 );
// Dick Hollenbeck's KiROUND R&D // This provides better project control over rounding to int from double // than wxRound() did. This scheme provides better logging in Debug builds // and it provides for compile time calculation of constants. #include <stdio.h> #include <assert.h> #include <limits.h> //-----<KiROUND KIT>------------------------------------------------------------ /** * KiROUND * rounds a floating point number to an int using * "round halfway cases away from zero". * In Debug build an assert fires if will not fit into an int. */ #if defined( DEBUG ) // DEBUG: a macro to capture line and file, then calls this inline static inline int KiRound( double v, int line, const char* filename ) { v = v < 0 ? v - 0.5 : v + 0.5; if( v > INT_MAX + 0.5 ) { printf( "%s: in file %s on line %d, val: %.16g too ' > 0 ' for int\n", __FUNCTION__, filename, line, v ); } else if( v < INT_MIN - 0.5 ) { printf( "%s: in file %s on line %d, val: %.16g too ' < 0 ' for int\n", __FUNCTION__, filename, line, v ); } return int( v ); } #define KiROUND( v ) KiRound( v, __LINE__, __FILE__ ) #else // RELEASE: a macro so compile can pre-compute constants. #define KiROUND( v ) int( (v) < 0 ? (v) - 0.5 : (v) + 0.5 ) #endif //-----</KiROUND KIT>----------------------------------------------------------- // Only a macro is compile time calculated, an inline function causes a static constructor // in a situation like this. // Therefore the Release build is best done with a MACRO not an inline function. int Computed = KiROUND( 14.3 * 8 ); int main( int argc, char** argv ) { for( double d = double(INT_MAX)-1; d < double(INT_MAX)+8; d += 2.0 ) { int i = KiROUND( d ); printf( "t: %d %.16g\n", i, d ); } return 0; }
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long long ix = KiROUND( x * precision );
if ( x < 0.0 )
ix = -ix;
int remainder = ix % 10; // remainder is in precision mm
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if( remainder <= 2 )
ix -= remainder; // truncate to the near number
else if( remainder >= 8 )
ix += 10 - remainder; // round to near number
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if ( x < 0 )
ix = -ix;
return (double) ix / precision;
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}
wxConfigBase* GetNewConfig( const wxString& aProgName )
{
wxConfigBase* cfg = 0;
wxFileName configname;
configname.AssignDir( GetKicadConfigPath() );
configname.SetFullName( aProgName );
cfg = new wxFileConfig( wxT( "" ), wxT( "" ), configname.GetFullPath() );
return cfg;
}
wxString GetKicadConfigPath()
{
wxFileName cfgpath;
// http://docs.wxwidgets.org/3.0/classwx_standard_paths.html#a7c7cf595d94d29147360d031647476b0
cfgpath.AssignDir( wxStandardPaths::Get().GetUserConfigDir() );
wxString envstr;
// wxStandardPaths does not default to ~/.config which is the current standard config
// location on Linux. This has been fixed in wxWidgets 3.1.1.
#if !wxCHECK_VERSION( 3, 1, 1 ) && !defined( __WINDOWS__ ) && !defined( __WXMAC__ )
if( wxGetEnv( wxT( "XDG_CONFIG_HOME" ), &envstr ) && !envstr.IsEmpty() )
{
// Override the assignment above with XDG_CONFIG_HOME
cfgpath.AssignDir( envstr );
}
cfgpath.AppendDir( wxT( ".config" ) );
#endif
cfgpath.AppendDir( wxT( "kicad" ) );
// Use KICAD_CONFIG_HOME to allow the user to force a specific configuration path.
if( wxGetEnv( wxT( "KICAD_CONFIG_HOME" ), &envstr ) && !envstr.IsEmpty() )
{
// Override the assignment above with XDG_CONFIG_HOME
cfgpath.AssignDir( envstr );
}
if( !cfgpath.DirExists() )
{
cfgpath.Mkdir( wxS_DIR_DEFAULT, wxPATH_MKDIR_FULL );
}
return cfgpath.GetPath();
}
#include <ki_mutex.h>
const wxString ExpandEnvVarSubstitutions( const wxString& aString )
{
// wxGetenv( wchar_t* ) is not re-entrant on linux.
// Put a lock on multithreaded use of wxGetenv( wchar_t* ), called from wxEpandEnvVars(),
static MUTEX getenv_mutex;
MUTLOCK lock( getenv_mutex );
// We reserve the right to do this another way, by providing our own member
// function.
return wxExpandEnvVars( aString );
}
const wxString ResolveUriByEnvVars( const wxString& aUri )
{
// URL-like URI: return as is.
wxURL url( aUri );
if( url.GetError() == wxURL_NOERR )
return aUri;
// Otherwise, the path points to a local file. Resolve environment
// variables if any.
return ExpandEnvVarSubstitutions( aUri );
}
bool EnsureFileDirectoryExists( wxFileName* aTargetFullFileName,
const wxString& aBaseFilename,
REPORTER* aReporter )
{
wxString msg;
wxString baseFilePath = wxFileName( aBaseFilename ).GetPath();
// make aTargetFullFileName path, which is relative to aBaseFilename path (if it is not
// already an absolute path) absolute:
if( !aTargetFullFileName->MakeAbsolute( baseFilePath ) )
{
if( aReporter )
{
msg.Printf( _( "Cannot make path \"%s\" absolute with respect to \"%s\"." ),
GetChars( aTargetFullFileName->GetPath() ),
GetChars( baseFilePath ) );
aReporter->Report( msg, REPORTER::RPT_ERROR );
}
return false;
}
// Ensure the path of aTargetFullFileName exists, and create it if needed:
wxString outputPath( aTargetFullFileName->GetPath() );
if( !wxFileName::DirExists( outputPath ) )
{
if( wxMkdir( outputPath ) )
{
if( aReporter )
{
msg.Printf( _( "Output directory \"%s\" created.\n" ), GetChars( outputPath ) );
aReporter->Report( msg, REPORTER::RPT_INFO );
return true;
}
}
else
{
if( aReporter )
{
msg.Printf( _( "Cannot create output directory \"%s\".\n" ),
GetChars( outputPath ) );
aReporter->Report( msg, REPORTER::RPT_ERROR );
}
return false;
}
}
return true;
}
#ifdef __WXMAC__
wxString GetOSXKicadUserDataDir()
{
// According to wxWidgets documentation for GetUserDataDir:
// Mac: ~/Library/Application Support/appname
wxFileName udir( wxStandardPaths::Get().GetUserDataDir(), wxEmptyString );
// Since appname is different if started via launcher or standalone binary
// map all to "kicad" here
udir.RemoveLastDir();
udir.AppendDir( wxT( "kicad" ) );
return udir.GetPath();
}
wxString GetOSXKicadMachineDataDir()
{
return wxT( "/Library/Application Support/kicad" );
}
wxString GetOSXKicadDataDir()
{
// According to wxWidgets documentation for GetDataDir:
// Mac: appname.app/Contents/SharedSupport bundle subdirectory
wxFileName ddir( wxStandardPaths::Get().GetDataDir(), wxEmptyString );
// This must be mapped to main bundle for everything but kicad.app
const wxArrayString dirs = ddir.GetDirs();
if( dirs[dirs.GetCount() - 3] != wxT( "kicad.app" ) )
{
// Bundle structure resp. current path is
// kicad.app/Contents/Applications/<standalone>.app/Contents/SharedSupport
// and will be mapped to
// kicad.app/Contents/SharedSupprt
ddir.RemoveLastDir();
ddir.RemoveLastDir();
ddir.RemoveLastDir();
ddir.RemoveLastDir();
ddir.AppendDir( wxT( "SharedSupport" ) );
}
return ddir.GetPath();
}
#endif
// add this only if it is not in wxWidgets (for instance before 3.1.0)
#ifdef USE_KICAD_WXSTRING_HASH
size_t std::hash<wxString>::operator()( const wxString& s ) const
{
return std::hash<std::wstring>{}( s.ToStdWstring() );
}
#endif
#ifdef USE_KICAD_WXPOINT_LESS
bool std::less<wxPoint>::operator()( const wxPoint& aA, const wxPoint& aB ) const
{
if( aA.x == aB.x )
return aA.y < aB.y;
return aA.x < aB.x;
}
#endif