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kicad/include/common.h

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2014-2017 Jean-Pierre Charras, jp.charras at wanadoo.fr
* Copyright (C) 2007-2015 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
* Copyright (C) 2008 Wayne Stambaugh <stambaughw@gmail.com>
* Copyright (C) 1992-2018 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
*/
/**
* The common library
* @file common.h
*/
#ifndef INCLUDE__COMMON_H_
#define INCLUDE__COMMON_H_
#include <vector>
#include <wx/wx.h>
#include <wx/confbase.h>
#include <wx/fileconf.h>
#include <richio.h>
#include <gal/color4d.h>
#include <atomic>
// C++11 "polyfill" for the C++14 std::make_unique function
#include "make_unique.h"
class wxAboutDialogInfo;
class SEARCH_STACK;
class REPORTER;
/**
* timestamp_t is our type to represent unique IDs for all kinds of elements;
* historically simply the timestamp when they were created.
*
* Long term, this type might be renamed to something like unique_id_t
* (and then rename all the methods from {Get,Set}TimeStamp()
* to {Get,Set}Id()) ?
*
* The type should be at least 32 bit and simple to map via swig; swig does
* have issues with types such as 'int32_t', so we choose 'long'.
*/
typedef long timestamp_t;
// Flag for special keys
// This type could be extended to 64 bits to add room for more flags.
// For compatibility with old code, keep flag bits out of the least
// significant nibble (0xF).
typedef uint32_t EDA_KEY;
#define EDA_KEY_C UINT32_C
#define GR_KB_RIGHTSHIFT ( EDA_KEY_C( 0x01000000 ) )
#define GR_KB_LEFTSHIFT ( EDA_KEY_C( 0x02000000 ) )
#define GR_KB_CTRL ( EDA_KEY_C( 0x04000000 ) )
#define GR_KB_ALT ( EDA_KEY_C( 0x08000000 ) )
#define GR_KB_SHIFT ( GR_KB_LEFTSHIFT | GR_KB_RIGHTSHIFT )
#define GR_KB_SHIFTCTRL ( GR_KB_SHIFT | GR_KB_CTRL )
#define MOUSE_MIDDLE ( EDA_KEY_C( 0x10000000 ) )
#define GR_KEY_INVALID ( EDA_KEY_C( 0x80000000 ) )
#define GR_KEY_NONE ( EDA_KEY_C( 0 ) )
/// default name for nameless projects
#define NAMELESS_PROJECT wxT( "noname" )
/// Pseudo key codes for command panning
enum pseudokeys {
EDA_PANNING_UP_KEY = 1,
EDA_PANNING_DOWN_KEY,
EDA_PANNING_LEFT_KEY,
EDA_PANNING_RIGHT_KEY,
EDA_ZOOM_IN_FROM_MOUSE,
EDA_ZOOM_OUT_FROM_MOUSE,
EDA_ZOOM_CENTER_FROM_MOUSE
};
#define ESC 27
/// Frequent text rotations, used with {Set,Get}TextAngle(),
/// in 0.1 degrees for now, hoping to migrate to degrees eventually.
#define TEXT_ANGLE_HORIZ 0
#define TEXT_ANGLE_VERT 900
//-----<KiROUND KIT>------------------------------------------------------------
/**
* Round a floating point number to an integer using "round halfway cases away from zero".
*
* In Debug build an assert fires if will not fit into an int.
*/
#if !defined( DEBUG )
/// KiROUND: a function so v is not evaluated twice. Unfortunately, compiler
/// is unable to pre-compute constants using this.
static inline int KiROUND( double v )
{
return int( v < 0 ? v - 0.5 : v + 0.5 );
}
/// KIROUND: a macro so compiler can pre-compute constants. Use this with compile
/// time constants rather than the inline function above.
#define KIROUND( v ) int( (v) < 0 ? (v) - 0.5 : (v) + 0.5 )
#else
// DEBUG: KiROUND() is 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__ )
// in Debug build, use the overflow catcher since code size is immaterial
#define KIROUND( v ) KiROUND( v )
#endif
//-----</KiROUND KIT>-----------------------------------------------------------
enum EDA_UNITS_T {
INCHES = 0,
MILLIMETRES = 1,
UNSCALED_UNITS = 2,
DEGREES = 3,
};
extern EDA_UNITS_T g_UserUnit; ///< display units
/// Draw color for moving objects.
extern KIGFX::COLOR4D g_GhostColor;
/**
* Instantiate the current locale within a scope in which you are expecting
* exceptions to be thrown.
*
* The constructor sets a "C" language locale option, to read/print files with floating
* point numbers. The destructor insures that the default locale is restored if an
* exception is thrown or not.
*/
class LOCALE_IO
{
public:
LOCALE_IO();
~LOCALE_IO();
private:
void setUserLocale( const char* aUserLocale );
// allow for nesting of LOCALE_IO instantiations
static std::atomic<unsigned int> m_c_count;
// The locale in use before switching to the "C" locale
// (the locale can be set by user, and is not always the system locale)
std::string m_user_locale;
};
/**
* Return the size of @a aSingleLine of text when it is rendered in @a aWindow
* using whatever font is currently set in that window.
*/
wxSize GetTextSize( const wxString& aSingleLine, wxWindow* aWindow );
/**
* Set the minimum pixel width on a text control in order to make a text
* string be fully visible within it.
*
* The current font within the text control is considered. The text can come either from
* the control or be given as an argument. If the text control is larger than needed, then
* nothing is done.
*
* @param aCtrl the text control to potentially make wider.
* @param aString the text that is used in sizing the control's pixel width.
* If NULL, then
* the text already within the control is used.
* @return bool - true if the \a aCtrl had its size changed, else false.
*/
bool EnsureTextCtrlWidth( wxTextCtrl* aCtrl, const wxString* aString = NULL );
/**
* Run a command in a child process.
*
* @param aCommandLine The process and any arguments to it all in a single
* string.
* @param aFlags The same args as allowed for wxExecute()
* @param callback wxProcess implementing OnTerminate to be run when the
child process finishes
* @return int - pid of process, 0 in case of error (like return values of
* wxExecute())
*/
int ProcessExecute( const wxString& aCommandLine, int aFlags = wxEXEC_ASYNC,
wxProcess *callback = NULL );
/**
* @return an unique time stamp that changes after each call
*/
timestamp_t GetNewTimeStamp();
int GetCommandOptions( const int argc, const char** argv,
const char* stringtst, const char** optarg,
int* optind );
/**
* Round to the nearest precision.
*
* Try to approximate a coordinate using a given precision to prevent
* rounding errors when converting from inches to mm.
*
* ie round the unit value to 0 if unit is 1 or 2, or 8 or 9
*/
double RoundTo0( double x, double precision );
/**
* Split \a aString to a string list separated at \a aSplitter.
*
* @param aText is the text to split
* @param aStrings will contain the splitted lines
* @param aSplitter is the 'split' character
*/
void wxStringSplit( const wxString& aText, wxArrayString& aStrings, wxChar aSplitter );
/**
* Return the help file's full path.
* <p>
* Return the KiCad help file with path and extension.
* Help files can be html (.html ext) or pdf (.pdf ext) files.
* A \<BaseName\>.html file is searched and if not found,
* \<BaseName\>.pdf file is searched in the same path.
* If the help file for the current locale is not found, an attempt to find
* the English version of the help file is made.
* Help file is searched in directories in this order:
* help/\<canonical name\> like help/en_GB
* help/\<short name\> like help/en
* help/en
* </p>
* @param aSearchStack contains some possible base dirs that may be above the
* the one actually holding @a aBaseName. These are starting points for nested searches.
* @param aBaseName is the name of the help file to search for, <p>without extension</p>.
* @return wxEmptyString is returned if aBaseName is not found, else the full path & filename.
*/
wxString SearchHelpFileFullPath( const SEARCH_STACK& aSearchStack, const wxString& aBaseName );
/**
* Make \a aTargetFullFileName absolute and create the path of this file if it doesn't yet exist.
*
* @param aTargetFullFileName the wxFileName containing the full path and file name to modify.
* The path may be absolute or relative to \a aBaseFilename .
* @param aBaseFilename a full filename. Only its path is used to set the aTargetFullFileName path.
* @param aReporter a point to a REPORTER object use to show messages (can be NULL)
* @return true if \a aOutputDir already exists or was successfully created.
*/
bool EnsureFileDirectoryExists( wxFileName* aTargetFullFileName,
const wxString& aBaseFilename,
REPORTER* aReporter = NULL );
/// Put aPriorityPath in front of all paths in the value of aEnvVar.
const wxString PrePendPath( const wxString& aEnvVar, const wxString& aPriorityPath );
/**
* Create a new wxConfig so we can put configuration files in a more proper place for each
* platform.
*
* This is generally $HOME/.config/kicad/ in Linux according to the FreeDesktop specification at
* http://standards.freedesktop.org/basedir-spec/basedir-spec-0.6.html
* The config object created here should be destroyed by the caller.
*
* @param aProgName is the name of the program calling this function - can be obtained by
* calling Pgm().App().GetAppName(). This will be the actual file name of the config file.
* @return A pointer to a new wxConfigBase derived object is returned. The caller is in charge
* of deleting it.
*/
wxConfigBase* GetNewConfig( const wxString& aProgName );
/**
* Return the user configuration path used to store KiCad's configuration files.
*
* The configuration path order of precedence is determined by the following criteria:
*
* - The value of the KICAD_CONFIG_HOME environment variable
* - The value of the XDG_CONFIG_HOME environment variable.
* - The result of the call to wxStandardPaths::GetUserConfigDir() with ".config" appended
* as required on Linux builds.
*
* @return A wxString containing the config path for Kicad
*/
wxString GetKicadConfigPath();
/**
* Replace any environment variable references with their values.
*
* @param aString = a string containing (perhaps) references to env var
* @return a string where env var are replaced by their value
*/
const wxString ExpandEnvVarSubstitutions( const wxString& aString );
/**
* Replace any environment variables in file-path uris (leaving network-path URIs alone).
*/
const wxString ResolveUriByEnvVars( const wxString& aUri );
#ifdef __WXMAC__
/**
* OSX specific function GetOSXKicadUserDataDir
* @return A wxString pointing to the user data directory for Kicad
*/
wxString GetOSXKicadUserDataDir();
/**
* OSX specific function GetOSXMachineDataDir
* @return A wxString pointing to the machine data directory for Kicad
*/
wxString GetOSXKicadMachineDataDir();
/**
* OSX specific function GetOSXKicadDataDir
* @return A wxString pointing to the bundle data directory for Kicad
*/
wxString GetOSXKicadDataDir();
#endif
// Some wxWidgets versions (for instance before 3.1.0) do not include
// this function, so add it if missing
#if !wxCHECK_VERSION( 3, 1, 0 )
#define USE_KICAD_WXSTRING_HASH // for common.cpp
///> Template specialization to enable wxStrings for certain containers (e.g. unordered_map)
namespace std
{
template<> struct hash<wxString>
{
size_t operator()( const wxString& s ) const;
};
}
#endif
/// Required to use wxPoint as key type in maps
#define USE_KICAD_WXPOINT_LESS // for common.cpp
namespace std
{
template<> struct less<wxPoint>
{
bool operator()( const wxPoint& aA, const wxPoint& aB ) const;
};
}
#endif // INCLUDE__COMMON_H_
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