cd0b170911
"long long" type (and some code in timercmn.cpp too) 2. wxDate and wxTime reimplemented using wxDateTime (old versions tagged as OLD_DATE_AND_TIME) 3. wxString::To(U)Long and ToDouble added and documented 4. bug with combobox in toolbar (drop down list wasn't dismissed) fixed 5. several wxDateTime::Parse() functions implemented 6. added support for coloured buttons under MSW (not completely finished) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@5043 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
422 lines
14 KiB
C++
422 lines
14 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/longlong.h
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// Purpose: declaration of wxLongLong class - best implementation of a 64
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// bit integer for the current platform.
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// Author: Jeffrey C. Ollie <jeff@ollie.clive.ia.us>, Vadim Zeitlin
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// Remarks: this class is not public in wxWindows 2.0! It is intentionally
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// not documented and is for private use only.
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// Modified by:
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// Created: 10.02.99
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// RCS-ID: $Id$
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// Copyright: (c) 1998 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows license
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_LONGLONG_H
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#define _WX_LONGLONG_H
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#ifdef __GNUG__
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#pragma interface "longlong.h"
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#endif
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#include "wx/defs.h"
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#include "wx/wxchar.h"
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#include "wx/debug.h"
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#include <limits.h> // for LONG_MAX
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// ----------------------------------------------------------------------------
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// decide upon which class we will use
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// ----------------------------------------------------------------------------
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// to avoid compilation problems on 64bit machines with ambiguous method calls
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// we will need to define this
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#undef wxLongLongIsLong
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// NB: we #define and not typedef wxLongLong_t because we want to be able to
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// use 'unsigned wxLongLong_t' as well and because we use "#ifdef
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// wxLongLong_t" below
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#if defined(SIZEOF_LONG) && (SIZEOF_LONG == 8)
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#define wxLongLong_t long
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#define wxLongLongIsLong
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#elif (defined(__VISUALC__) && defined(__WIN32__)) || defined( __VMS__ )
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#define wxLongLong_t __int64
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#elif defined(__GNUG__)
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#define wxLongLong_t long long
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#elif defined(__MWERKS__)
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#if __option(longlong)
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#define wxLongLong_t long long
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#else
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#error "The 64 bit integer support in CodeWarrior has been disabled."
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#error "See the documentation on the 'longlong' pragma."
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#endif
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#else // no native long long type
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// we don't give warnings for the compilers we know about that they don't
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// have any 64 bit integer type
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#if !defined(__VISAGECPP__) && !defined(__VISUALC__)
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#warning "Your compiler does not appear to support 64 bit integers, "\
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"using emulation class instead."
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#endif // known compilers without long long
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#define wxUSE_LONGLONG_WX 1
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#endif // compiler
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// the user may predefine wxUSE_LONGLONG_NATIVE and/or wxUSE_LONGLONG_NATIVE
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// to disable automatic testing (useful for the test program which defines
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// both classes) but by default we only use one class
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#ifndef wxLongLong_t
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#undef wxUSE_LONGLONG_NATIVE
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#define wxUSE_LONGLONG_NATIVE 0
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class WXDLLEXPORT wxLongLongWx;
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typedef wxLongLongWx wxLongLong;
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#else
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// if nothing is defined, use native implementation by default, of course
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#ifndef wxUSE_LONGLONG_NATIVE
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#define wxUSE_LONGLONG_NATIVE 1
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#endif
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#endif
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#ifndef wxUSE_LONGLONG_WX
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#define wxUSE_LONGLONG_WX 0
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class WXDLLEXPORT wxLongLongNative;
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typedef wxLongLongNative wxLongLong;
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#endif
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// NB: if both wxUSE_LONGLONG_WX and NATIVE are defined, the user code should
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// typedef wxLongLong as it wants, we don't do it
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// ----------------------------------------------------------------------------
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// choose the appropriate class
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// ----------------------------------------------------------------------------
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// we use iostream for wxLongLong output
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#include "wx/ioswrap.h"
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#if wxUSE_LONGLONG_NATIVE
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class WXDLLEXPORT wxLongLongNative
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{
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public:
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// ctors
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// default ctor initializes to 0
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wxLongLongNative() { m_ll = 0; }
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// from long long
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wxLongLongNative(wxLongLong_t ll) { m_ll = ll; }
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// from 2 longs
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wxLongLongNative(long hi, unsigned long lo)
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{
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// assign first to avoid precision loss!
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m_ll = ((wxLongLong_t) hi) << 32;
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m_ll |= (wxLongLong_t) lo;
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}
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// default copy ctor is ok
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// no dtor
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// assignment operators
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// from native 64 bit integer
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wxLongLongNative& operator=(wxLongLong_t ll)
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{ m_ll = ll; return *this; }
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// from double: this one has an explicit name because otherwise we
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// would have ambiguity with "ll = int" and also because we don't want
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// to have implicit conversions between doubles and wxLongLongs
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wxLongLongNative& Assign(double d)
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{ m_ll = (wxLongLong_t)d; return *this; }
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// assignment operators from wxLongLongNative is ok
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// accessors
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// get high part
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long GetHi() const
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{ return (long)(m_ll >> 32); }
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// get low part
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unsigned long GetLo() const
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{ return (unsigned long)m_ll; }
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// get absolute value
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wxLongLongNative& Abs() { if ( m_ll < 0 ) m_ll = -m_ll; return *this; }
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// convert to native long long
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wxLongLong_t GetValue() const { return m_ll; }
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// convert to long with range checking in the debug mode (only!)
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long ToLong() const
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{
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wxASSERT_MSG( (m_ll >= LONG_MIN) && (m_ll <= LONG_MAX),
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_T("wxLongLong to long conversion loss of precision") );
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return (long)m_ll;
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}
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// don't provide implicit conversion to wxLongLong_t or we will have an
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// ambiguity for all arithmetic operations
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//operator wxLongLong_t() const { return m_ll; }
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// operations
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// addition
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wxLongLongNative operator+(const wxLongLongNative& ll) const
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{ return wxLongLongNative(m_ll + ll.m_ll); }
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wxLongLongNative& operator+=(const wxLongLongNative& ll)
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{ m_ll += ll.m_ll; return *this; }
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wxLongLongNative operator+(const wxLongLong_t ll) const
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{ return wxLongLongNative(m_ll + ll); }
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wxLongLongNative& operator+=(const wxLongLong_t ll)
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{ m_ll += ll; return *this; }
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// pre increment
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wxLongLongNative& operator++()
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{ m_ll++; return *this; }
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// post increment
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wxLongLongNative& operator++(int)
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{ m_ll++; return *this; }
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// negation operator
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wxLongLongNative operator-() const
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{ return wxLongLongNative(-m_ll); }
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// subtraction
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wxLongLongNative operator-(const wxLongLongNative& ll) const
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{ return wxLongLongNative(m_ll - ll.m_ll); }
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wxLongLongNative& operator-=(const wxLongLongNative& ll)
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{ m_ll -= ll.m_ll; return *this; }
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wxLongLongNative operator-(const wxLongLong_t ll) const
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{ return wxLongLongNative(m_ll - ll); }
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wxLongLongNative& operator-=(const wxLongLong_t ll)
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{ m_ll -= ll; return *this; }
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// pre decrement
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wxLongLongNative& operator--()
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{ m_ll--; return *this; }
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// post decrement
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wxLongLongNative& operator--(int)
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{ m_ll--; return *this; }
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// shifts
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// left shift
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wxLongLongNative operator<<(int shift) const
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{ return wxLongLongNative(m_ll << shift);; }
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wxLongLongNative& operator<<=(int shift)
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{ m_ll <<= shift; return *this; }
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// right shift
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wxLongLongNative operator>>(int shift) const
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{ return wxLongLongNative(m_ll >> shift);; }
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wxLongLongNative& operator>>=(int shift)
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{ m_ll >>= shift; return *this; }
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// bitwise operators
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wxLongLongNative operator&(const wxLongLongNative& ll) const
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{ return wxLongLongNative(m_ll & ll.m_ll); }
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wxLongLongNative& operator&=(const wxLongLongNative& ll)
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{ m_ll &= ll.m_ll; return *this; }
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wxLongLongNative operator|(const wxLongLongNative& ll) const
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{ return wxLongLongNative(m_ll | ll.m_ll); }
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wxLongLongNative& operator|=(const wxLongLongNative& ll)
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{ m_ll |= ll.m_ll; return *this; }
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wxLongLongNative operator^(const wxLongLongNative& ll) const
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{ return wxLongLongNative(m_ll ^ ll.m_ll); }
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wxLongLongNative& operator^=(const wxLongLongNative& ll)
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{ m_ll ^= ll.m_ll; return *this; }
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// multiplication/division
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wxLongLongNative operator*(const wxLongLongNative& ll) const
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{ return wxLongLongNative(m_ll * ll.m_ll); }
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wxLongLongNative operator*(long l) const
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{ return wxLongLongNative(m_ll * l); }
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wxLongLongNative& operator*=(const wxLongLongNative& ll)
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{ m_ll *= ll.m_ll; return *this; }
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wxLongLongNative& operator*=(long l)
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{ m_ll *= l; return *this; }
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wxLongLongNative operator/(const wxLongLongNative& ll) const
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{ return wxLongLongNative(m_ll / ll.m_ll); }
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wxLongLongNative operator/(long l) const
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{ return wxLongLongNative(m_ll / l); }
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wxLongLongNative& operator/=(const wxLongLongNative& ll)
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{ m_ll /= ll.m_ll; return *this; }
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wxLongLongNative& operator/=(long l)
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{ m_ll /= l; return *this; }
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wxLongLongNative operator%(const wxLongLongNative& ll) const
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{ return wxLongLongNative(m_ll % ll.m_ll); }
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wxLongLongNative operator%(long l) const
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{ return wxLongLongNative(m_ll % l); }
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// comparison
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bool operator==(const wxLongLongNative& ll) const
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{ return m_ll == ll.m_ll; }
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bool operator==(long l) const
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{ return m_ll == l; }
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bool operator!=(const wxLongLongNative& ll) const
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{ return m_ll != ll.m_ll; }
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bool operator!=(long l) const
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{ return m_ll != l; }
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bool operator<(const wxLongLongNative& ll) const
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{ return m_ll < ll.m_ll; }
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bool operator<(long l) const
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{ return m_ll < l; }
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bool operator>(const wxLongLongNative& ll) const
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{ return m_ll > ll.m_ll; }
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bool operator>(long l) const
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{ return m_ll > l; }
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bool operator<=(const wxLongLongNative& ll) const
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{ return m_ll <= ll.m_ll; }
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bool operator<=(long l) const
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{ return m_ll <= l; }
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bool operator>=(const wxLongLongNative& ll) const
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{ return m_ll >= ll.m_ll; }
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bool operator>=(long l) const
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{ return m_ll >= l; }
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// miscellaneous
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// conversion to byte array: returns a pointer to static buffer!
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void *asArray() const;
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#if wxUSE_STD_IOSTREAM
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// input/output
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friend ostream& operator<<(ostream&, const wxLongLongNative&);
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#endif
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private:
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wxLongLong_t m_ll;
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};
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#endif // wxUSE_LONGLONG_NATIVE
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#if wxUSE_LONGLONG_WX
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class WXDLLEXPORT wxLongLongWx
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{
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public:
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// ctors
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// default ctor initializes to 0
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wxLongLongWx() { m_lo = m_hi = 0; }
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// from long
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wxLongLongWx(long l)
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{ m_lo = l; m_hi = (l < 0 ? -1l : 0l); }
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// from 2 longs
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wxLongLongWx(long hi, unsigned long lo)
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{ m_hi = hi; m_lo = lo; }
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// default copy ctor is ok in both cases
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// no dtor
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// assignment operators
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// from long
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wxLongLongWx& operator=(long l)
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{ m_lo = l; m_hi = (l < 0 ? -1l : 0l); return *this; }
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// from double
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wxLongLongWx& Assign(double d);
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// can't have assignment operator from 2 longs
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// accessors
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// get high part
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long GetHi() const { return m_hi; }
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// get low part
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unsigned long GetLo() const { return m_lo; }
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// get absolute value
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wxLongLongWx& Abs() { if ( m_hi < 0 ) m_hi = -m_hi; return *this; }
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// convert to long with range checking in the debug mode (only!)
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long ToLong() const
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{
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wxASSERT_MSG( m_hi == 0l,
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_T("wxLongLong to long conversion loss of precision") );
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return (long)m_lo;
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}
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// operations
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// addition
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wxLongLongWx operator+(const wxLongLongWx& ll) const;
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wxLongLongWx& operator+=(const wxLongLongWx& ll);
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wxLongLongWx operator+(long l) const;
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wxLongLongWx& operator+=(long l);
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// pre increment operator
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wxLongLongWx& operator++();
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// post increment operator
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wxLongLongWx& operator++(int);
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// negation operator
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wxLongLongWx operator-() const;
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// subraction
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wxLongLongWx operator-(const wxLongLongWx& ll) const;
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wxLongLongWx& operator-=(const wxLongLongWx& ll);
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// pre decrement operator
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wxLongLongWx& operator--();
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// post decrement operator
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wxLongLongWx& operator--(int);
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// shifts
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// left shift
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wxLongLongWx operator<<(int shift) const;
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wxLongLongWx& operator<<=(int shift);
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// right shift
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wxLongLongWx operator>>(int shift) const;
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wxLongLongWx& operator>>=(int shift);
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// bitwise operators
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wxLongLongWx operator&(const wxLongLongWx& ll) const;
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wxLongLongWx& operator&=(const wxLongLongWx& ll);
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wxLongLongWx operator|(const wxLongLongWx& ll) const;
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wxLongLongWx& operator|=(const wxLongLongWx& ll);
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wxLongLongWx operator^(const wxLongLongWx& ll) const;
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wxLongLongWx& operator^=(const wxLongLongWx& ll);
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wxLongLongWx operator~() const;
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// comparison
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bool operator==(const wxLongLongWx& ll) const;
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bool operator!=(const wxLongLongWx& ll) const;
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bool operator<(const wxLongLongWx& ll) const;
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bool operator>(const wxLongLongWx& ll) const;
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bool operator<=(const wxLongLongWx& ll) const;
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bool operator>=(const wxLongLongWx& ll) const;
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// multiplication
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wxLongLongWx operator*(const wxLongLongWx& ll) const;
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wxLongLongWx& operator*=(const wxLongLongWx& ll);
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// division
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wxLongLongWx operator/(const wxLongLongWx& ll) const;
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wxLongLongWx& operator/=(const wxLongLongWx& ll);
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wxLongLongWx operator%(const wxLongLongWx& ll) const;
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void Divide(const wxLongLongWx& divisor,
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wxLongLongWx& quotient,
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wxLongLongWx& remainder) const;
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// input/output
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#if wxUSE_STD_IOSTREAM
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friend ostream& operator<<(ostream&, const wxLongLongWx&);
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#endif // wxUSE_STD_IOSTREAM
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void *asArray(void) const;
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private:
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// long is at least 32 bits, so represent our 64bit number as 2 longs
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long m_hi; // signed bit is in the high part
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unsigned long m_lo;
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};
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#endif // wxUSE_LONGLONG_WX
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#endif // _WX_LONGLONG_H
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