422 lines
13 KiB
C++
422 lines
13 KiB
C++
/*
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* This program source code file is part of KiCad, a free EDA CAD application.
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*
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* Copyright (C) 2014-2019 Jean-Pierre Charras, jp.charras at wanadoo.fr
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* Copyright (C) 2007-2015 SoftPLC Corporation, Dick Hollenbeck <dick@softplc.com>
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* Copyright (C) 2008 Wayne Stambaugh <stambaughw@gmail.com>
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* Copyright (C) 1992-2019 KiCad Developers, see AUTHORS.txt for contributors.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, you may find one here:
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* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
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* or you may search the http://www.gnu.org website for the version 2 license,
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* or you may write to the Free Software Foundation, Inc.,
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* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
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*/
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/**
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* The common library
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* @file common.h
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*/
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#ifndef INCLUDE__COMMON_H_
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#define INCLUDE__COMMON_H_
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#include <vector>
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#include <wx/wx.h>
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#include <wx/confbase.h>
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#include <wx/fileconf.h>
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#include <wx/dir.h>
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#include <richio.h>
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#include <gal/color4d.h>
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#include <atomic>
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#include <limits>
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#include <memory>
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#include <type_traits>
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#include <typeinfo>
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class wxAboutDialogInfo;
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class SEARCH_STACK;
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class REPORTER;
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/**
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* timestamp_t is our type to represent unique IDs for all kinds of elements;
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* historically simply the timestamp when they were created.
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*
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* Long term, this type might be renamed to something like unique_id_t
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* (and then rename all the methods from {Get,Set}TimeStamp()
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* to {Get,Set}Id()) ?
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*/
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typedef uint32_t timestamp_t;
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// Flag for special keys
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// This type could be extended to 64 bits to add room for more flags.
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// For compatibility with old code, keep flag bits out of the least
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// significant nibble (0xF).
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typedef uint32_t EDA_KEY;
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#define EDA_KEY_C UINT32_C
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#define GR_KB_RIGHTSHIFT ( EDA_KEY_C( 0x01000000 ) )
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#define GR_KB_LEFTSHIFT ( EDA_KEY_C( 0x02000000 ) )
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#define GR_KB_CTRL ( EDA_KEY_C( 0x04000000 ) )
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#define GR_KB_ALT ( EDA_KEY_C( 0x08000000 ) )
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#define GR_KB_SHIFT ( GR_KB_LEFTSHIFT | GR_KB_RIGHTSHIFT )
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#define GR_KB_SHIFTCTRL ( GR_KB_SHIFT | GR_KB_CTRL )
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#define MOUSE_MIDDLE ( EDA_KEY_C( 0x10000000 ) )
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#define GR_KEY_INVALID ( EDA_KEY_C( 0x80000000 ) )
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#define GR_KEY_NONE ( EDA_KEY_C( 0 ) )
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/// default name for nameless projects
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#define NAMELESS_PROJECT wxT( "noname" )
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/// Pseudo key codes for command panning
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enum pseudokeys {
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EDA_PANNING_UP_KEY = 1,
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EDA_PANNING_DOWN_KEY,
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EDA_PANNING_LEFT_KEY,
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EDA_PANNING_RIGHT_KEY,
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EDA_ZOOM_IN_FROM_MOUSE,
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EDA_ZOOM_OUT_FROM_MOUSE,
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EDA_ZOOM_CENTER_FROM_MOUSE
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};
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#define ESC 27
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/// Frequent text rotations, used with {Set,Get}TextAngle(),
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/// in 0.1 degrees for now, hoping to migrate to degrees eventually.
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#define TEXT_ANGLE_HORIZ 0
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#define TEXT_ANGLE_VERT 900
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//-----<KiROUND KIT>------------------------------------------------------------
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/**
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* Round a floating point number to an integer using "round halfway cases away from zero".
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*
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* In Debug build an assert fires if will not fit into the return type.
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*/
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template <typename fp_type, typename ret_type = int>
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constexpr ret_type KiROUND( fp_type v )
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{
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using max_ret = long long int;
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fp_type ret = v < 0 ? v - 0.5 : v + 0.5;
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if( std::numeric_limits<ret_type>::max() < ret ||
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std::numeric_limits<ret_type>::lowest() > ret )
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{
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wxLogDebug
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( "Overflow KiROUND converting value %f to %s", double( v ), typeid(ret_type).name() );
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return 0;
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}
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return ret_type( max_ret( ret ) );
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}
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//-----</KiROUND KIT>-----------------------------------------------------------
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enum class EDA_UNITS
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{
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INCHES = 0,
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MILLIMETRES = 1,
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UNSCALED = 2,
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DEGREES = 3,
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PERCENT = 4,
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};
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/// Draw color for moving objects.
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extern KIGFX::COLOR4D g_GhostColor;
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/**
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* Instantiate the current locale within a scope in which you are expecting
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* exceptions to be thrown.
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*
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* The constructor sets a "C" language locale option, to read/print files with floating
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* point numbers. The destructor insures that the default locale is restored if an
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* exception is thrown or not.
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*/
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class LOCALE_IO
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{
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public:
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LOCALE_IO();
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~LOCALE_IO();
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private:
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// allow for nesting of LOCALE_IO instantiations
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static std::atomic<unsigned int> m_c_count;
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// The locale in use before switching to the "C" locale
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// (the locale can be set by user, and is not always the system locale)
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std::string m_user_locale;
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};
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/**
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* Return the size of @a aSingleLine of text when it is rendered in @a aWindow
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* using whatever font is currently set in that window.
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*/
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wxSize GetTextSize( const wxString& aSingleLine, wxWindow* aWindow );
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/**
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* Set the minimum pixel width on a text control in order to make a text
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* string be fully visible within it.
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*
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* The current font within the text control is considered. The text can come either from
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* the control or be given as an argument. If the text control is larger than needed, then
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* nothing is done.
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*
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* @param aCtrl the text control to potentially make wider.
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* @param aString the text that is used in sizing the control's pixel width.
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* If NULL, then
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* the text already within the control is used.
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* @return bool - true if the \a aCtrl had its size changed, else false.
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*/
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bool EnsureTextCtrlWidth( wxTextCtrl* aCtrl, const wxString* aString = NULL );
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/**
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* Select the number (or "?") in a reference for ease of editing.
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*/
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void SelectReferenceNumber( wxTextEntry* aTextEntry );
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/**
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* Run a command in a child process.
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*
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* @param aCommandLine The process and any arguments to it all in a single
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* string.
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* @param aFlags The same args as allowed for wxExecute()
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* @param callback wxProcess implementing OnTerminate to be run when the
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child process finishes
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* @return int - pid of process, 0 in case of error (like return values of
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* wxExecute())
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*/
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int ProcessExecute( const wxString& aCommandLine, int aFlags = wxEXEC_ASYNC,
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wxProcess *callback = NULL );
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/**
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* @return an unique time stamp that changes after each call
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*/
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timestamp_t GetNewTimeStamp();
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int GetCommandOptions( const int argc, const char** argv,
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const char* stringtst, const char** optarg,
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int* optind );
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/**
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* Round to the nearest precision.
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*
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* Try to approximate a coordinate using a given precision to prevent
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* rounding errors when converting from inches to mm.
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*
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* ie round the unit value to 0 if unit is 1 or 2, or 8 or 9
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*/
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double RoundTo0( double x, double precision );
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/**
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* Split \a aString to a string list separated at \a aSplitter.
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*
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* @param aText is the text to split
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* @param aStrings will contain the splitted lines
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* @param aSplitter is the 'split' character
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*/
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void wxStringSplit( const wxString& aText, wxArrayString& aStrings, wxChar aSplitter );
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/**
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* Return the help file's full path.
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* <p>
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* Return the KiCad help file with path and extension.
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* Help files can be html (.html ext) or pdf (.pdf ext) files.
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* A \<BaseName\>.html file is searched and if not found,
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* \<BaseName\>.pdf file is searched in the same path.
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* If the help file for the current locale is not found, an attempt to find
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* the English version of the help file is made.
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* Help file is searched in directories in this order:
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* help/\<canonical name\> like help/en_GB
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* help/\<short name\> like help/en
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* help/en
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* </p>
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* @param aSearchStack contains some possible base dirs that may be above the
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* the one actually holding @a aBaseName. These are starting points for nested searches.
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* @param aBaseName is the name of the help file to search for, <p>without extension</p>.
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* @return wxEmptyString is returned if aBaseName is not found, else the full path & filename.
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*/
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wxString SearchHelpFileFullPath( const SEARCH_STACK& aSearchStack, const wxString& aBaseName );
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/**
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* Make \a aTargetFullFileName absolute and create the path of this file if it doesn't yet exist.
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*
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* @param aTargetFullFileName the wxFileName containing the full path and file name to modify.
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* The path may be absolute or relative to \a aBaseFilename .
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* @param aBaseFilename a full filename. Only its path is used to set the aTargetFullFileName path.
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* @param aReporter a point to a REPORTER object use to show messages (can be NULL)
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* @return true if \a aOutputDir already exists or was successfully created.
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*/
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bool EnsureFileDirectoryExists( wxFileName* aTargetFullFileName,
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const wxString& aBaseFilename,
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REPORTER* aReporter = NULL );
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/// Put aPriorityPath in front of all paths in the value of aEnvVar.
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const wxString PrePendPath( const wxString& aEnvVar, const wxString& aPriorityPath );
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/**
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* Create a new wxConfig so we can put configuration files in a more proper place for each
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* platform.
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*
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* This is generally $HOME/.config/kicad/ in Linux according to the FreeDesktop specification at
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* http://standards.freedesktop.org/basedir-spec/basedir-spec-0.6.html
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* The config object created here should be destroyed by the caller.
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*
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* @param aProgName is the name of the program calling this function - can be obtained by
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* calling Pgm().App().GetAppName(). This will be the actual file name of the config file.
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* @return A pointer to a new wxConfigBase derived object is returned. The caller is in charge
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* of deleting it.
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*/
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std::unique_ptr<wxConfigBase> GetNewConfig( const wxString& aProgName );
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/**
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* Return the user configuration path used to store KiCad's configuration files.
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*
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* The configuration path order of precedence is determined by the following criteria:
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*
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* - The value of the KICAD_CONFIG_HOME environment variable
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* - The value of the XDG_CONFIG_HOME environment variable.
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* - The result of the call to wxStandardPaths::GetUserConfigDir() with ".config" appended
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* as required on Linux builds.
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*
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* @return A wxString containing the config path for Kicad
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*/
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wxString GetKicadConfigPath();
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/**
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* Replace any environment variable references with their values.
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*
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* @param aString = a string containing (perhaps) references to env var
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* @return a string where env var are replaced by their value
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*/
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const wxString ExpandEnvVarSubstitutions( const wxString& aString );
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/**
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* Replace any environment variables in file-path uris (leaving network-path URIs alone).
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*/
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const wxString ResolveUriByEnvVars( const wxString& aUri );
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#ifdef __WXMAC__
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/**
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* OSX specific function GetOSXKicadUserDataDir
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* @return A wxString pointing to the user data directory for Kicad
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*/
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wxString GetOSXKicadUserDataDir();
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/**
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* OSX specific function GetOSXMachineDataDir
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* @return A wxString pointing to the machine data directory for Kicad
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*/
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wxString GetOSXKicadMachineDataDir();
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/**
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* OSX specific function GetOSXKicadDataDir
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* @return A wxString pointing to the bundle data directory for Kicad
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*/
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wxString GetOSXKicadDataDir();
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#endif
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// Some wxWidgets versions (for instance before 3.1.0) do not include
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// this function, so add it if missing
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#if !wxCHECK_VERSION( 3, 1, 0 )
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#define USE_KICAD_WXSTRING_HASH // for common.cpp
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///> Template specialization to enable wxStrings for certain containers (e.g. unordered_map)
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namespace std
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{
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template<> struct hash<wxString>
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{
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size_t operator()( const wxString& s ) const;
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};
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}
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#endif
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/// Required to use wxPoint as key type in maps
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#define USE_KICAD_WXPOINT_LESS_AND_HASH // for common.cpp
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namespace std
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{
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template <> struct hash<wxPoint>
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{
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size_t operator() ( const wxPoint& k ) const;
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};
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}
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namespace std
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{
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template<> struct less<wxPoint>
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{
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bool operator()( const wxPoint& aA, const wxPoint& aB ) const;
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};
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}
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/**
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* Helper function to print the given wxSize to a stream.
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*
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* Used for debugging functions like EDA_ITEM::Show and also in unit
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* testing fixtures.
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*/
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std::ostream& operator<<( std::ostream& out, const wxSize& size );
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/**
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* Helper function to print the given wxPoint to a stream.
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*
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* Used for debugging functions like EDA_ITEM::Show and also in unit
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* testing fixtures.
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*/
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std::ostream& operator<<( std::ostream& out, const wxPoint& pt );
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/**
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* A wrapper around a wxFileName which is much more performant with a subset of the API.
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*/
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class WX_FILENAME
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{
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public:
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WX_FILENAME( const wxString& aPath, const wxString& aFilename );
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void SetFullName( const wxString& aFileNameAndExtension );
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wxString GetName() const;
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wxString GetFullName() const;
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wxString GetPath() const;
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wxString GetFullPath() const;
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// Avoid multiple calls to stat() on POSIX kernels.
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long long GetTimestamp();
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private:
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// Write cached values to the wrapped wxFileName. MUST be called before using m_fn.
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void resolve();
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wxFileName m_fn;
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wxString m_path;
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wxString m_fullName;
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};
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long long TimestampDir( const wxString& aDirPath, const wxString& aFilespec );
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#endif // INCLUDE__COMMON_H_
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