839 lines
29 KiB
C++
839 lines
29 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: wx/utils.h
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// Purpose: Miscellaneous utilities
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// Author: Julian Smart
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// Modified by:
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// Created: 29/01/98
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// RCS-ID: $Id: utils.h 67129 2011-03-05 12:21:20Z SC $
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// Copyright: (c) 1998 Julian Smart
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_UTILS_H_
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#define _WX_UTILS_H_
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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#include "wx/object.h"
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#include "wx/list.h"
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#include "wx/filefn.h"
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#include "wx/hashmap.h"
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#include "wx/versioninfo.h"
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#include "wx/meta/implicitconversion.h"
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#if wxUSE_GUI
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#include "wx/gdicmn.h"
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#include "wx/mousestate.h"
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#endif
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class WXDLLIMPEXP_FWD_BASE wxArrayString;
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class WXDLLIMPEXP_FWD_BASE wxArrayInt;
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// need this for wxGetDiskSpace() as we can't, unfortunately, forward declare
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// wxLongLong
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#include "wx/longlong.h"
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// needed for wxOperatingSystemId, wxLinuxDistributionInfo
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#include "wx/platinfo.h"
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#ifdef __WATCOMC__
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#include <direct.h>
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#elif defined(__X__)
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#include <dirent.h>
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#include <unistd.h>
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#endif
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#include <stdio.h>
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// ----------------------------------------------------------------------------
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// Forward declaration
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// ----------------------------------------------------------------------------
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class WXDLLIMPEXP_FWD_BASE wxProcess;
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class WXDLLIMPEXP_FWD_CORE wxFrame;
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class WXDLLIMPEXP_FWD_CORE wxWindow;
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class WXDLLIMPEXP_FWD_CORE wxWindowList;
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class WXDLLIMPEXP_FWD_CORE wxEventLoop;
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// ----------------------------------------------------------------------------
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// Arithmetic functions
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// ----------------------------------------------------------------------------
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template<typename T1, typename T2>
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inline typename wxImplicitConversionType<T1,T2>::value
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wxMax(T1 a, T2 b)
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{
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typedef typename wxImplicitConversionType<T1,T2>::value ResultType;
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// Cast both operands to the same type before comparing them to avoid
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// warnings about signed/unsigned comparisons from some compilers:
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return static_cast<ResultType>(a) > static_cast<ResultType>(b) ? a : b;
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}
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template<typename T1, typename T2>
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inline typename wxImplicitConversionType<T1,T2>::value
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wxMin(T1 a, T2 b)
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{
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typedef typename wxImplicitConversionType<T1,T2>::value ResultType;
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return static_cast<ResultType>(a) < static_cast<ResultType>(b) ? a : b;
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}
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template<typename T1, typename T2, typename T3>
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inline typename wxImplicitConversionType3<T1,T2,T3>::value
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wxClip(T1 a, T2 b, T3 c)
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{
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typedef typename wxImplicitConversionType3<T1,T2,T3>::value ResultType;
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if ( static_cast<ResultType>(a) < static_cast<ResultType>(b) )
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return b;
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if ( static_cast<ResultType>(a) > static_cast<ResultType>(c) )
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return c;
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return a;
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}
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// ----------------------------------------------------------------------------
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// wxMemorySize
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// ----------------------------------------------------------------------------
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// wxGetFreeMemory can return huge amount of memory on 32-bit platforms as well
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// so to always use long long for its result type on all platforms which
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// support it
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#if wxUSE_LONGLONG
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typedef wxLongLong wxMemorySize;
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#else
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typedef long wxMemorySize;
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#endif
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// ----------------------------------------------------------------------------
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// String functions (deprecated, use wxString)
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// ----------------------------------------------------------------------------
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#ifdef WXWIN_COMPATIBILITY_2_8
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// A shorter way of using strcmp
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wxDEPRECATED_INLINE(inline bool wxStringEq(const char *s1, const char *s2),
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return wxCRT_StrcmpA(s1, s2) == 0; )
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#if wxUSE_UNICODE
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wxDEPRECATED_INLINE(inline bool wxStringEq(const wchar_t *s1, const wchar_t *s2),
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return wxCRT_StrcmpW(s1, s2) == 0; )
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#endif // wxUSE_UNICODE
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#endif // WXWIN_COMPATIBILITY_2_8
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// ----------------------------------------------------------------------------
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// Miscellaneous functions
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// ----------------------------------------------------------------------------
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// Sound the bell
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#if !defined __EMX__ && \
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(defined __WXMOTIF__ || defined __WXGTK__ || defined __WXX11__)
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WXDLLIMPEXP_CORE void wxBell();
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#else
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WXDLLIMPEXP_BASE void wxBell();
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#endif
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#if wxUSE_MSGDLG
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// Show wxWidgets information
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WXDLLIMPEXP_CORE void wxInfoMessageBox(wxWindow* parent);
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#endif // wxUSE_MSGDLG
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WXDLLIMPEXP_CORE wxVersionInfo wxGetLibraryVersionInfo();
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// Get OS description as a user-readable string
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WXDLLIMPEXP_BASE wxString wxGetOsDescription();
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// Get OS version
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WXDLLIMPEXP_BASE wxOperatingSystemId wxGetOsVersion(int *majorVsn = NULL,
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int *minorVsn = NULL);
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// Get platform endianness
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WXDLLIMPEXP_BASE bool wxIsPlatformLittleEndian();
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// Get platform architecture
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WXDLLIMPEXP_BASE bool wxIsPlatform64Bit();
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#ifdef __LINUX__
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// Get linux-distro informations
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WXDLLIMPEXP_BASE wxLinuxDistributionInfo wxGetLinuxDistributionInfo();
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#endif
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// Return a string with the current date/time
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WXDLLIMPEXP_BASE wxString wxNow();
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// Return path where wxWidgets is installed (mostly useful in Unices)
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WXDLLIMPEXP_BASE const wxChar *wxGetInstallPrefix();
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// Return path to wxWin data (/usr/share/wx/%{version}) (Unices)
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WXDLLIMPEXP_BASE wxString wxGetDataDir();
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#if wxUSE_GUI
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// Get the state of a key (true if pressed, false if not)
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// This is generally most useful getting the state of
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// the modifier or toggle keys.
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WXDLLIMPEXP_CORE bool wxGetKeyState(wxKeyCode key);
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// Don't synthesize KeyUp events holding down a key and producing
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// KeyDown events with autorepeat. On by default and always on
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// in wxMSW.
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WXDLLIMPEXP_CORE bool wxSetDetectableAutoRepeat( bool flag );
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// Returns the current state of the mouse position, buttons and modifers
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WXDLLIMPEXP_CORE wxMouseState wxGetMouseState();
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#endif // wxUSE_GUI
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// ----------------------------------------------------------------------------
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// wxPlatform
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// ----------------------------------------------------------------------------
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/*
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* Class to make it easier to specify platform-dependent values
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*
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* Examples:
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* long val = wxPlatform::If(wxMac, 1).ElseIf(wxGTK, 2).ElseIf(stPDA, 5).Else(3);
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* wxString strVal = wxPlatform::If(wxMac, wxT("Mac")).ElseIf(wxMSW, wxT("MSW")).Else(wxT("Other"));
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*
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* A custom platform symbol:
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*
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* #define stPDA 100
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* #ifdef __WXWINCE__
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* wxPlatform::AddPlatform(stPDA);
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* #endif
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*
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* long windowStyle = wxCAPTION | (long) wxPlatform::IfNot(stPDA, wxRESIZE_BORDER);
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*
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*/
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class WXDLLIMPEXP_BASE wxPlatform
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{
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public:
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wxPlatform() { Init(); }
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wxPlatform(const wxPlatform& platform) { Copy(platform); }
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void operator = (const wxPlatform& platform) { if (&platform != this) Copy(platform); }
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void Copy(const wxPlatform& platform);
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// Specify an optional default value
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wxPlatform(int defValue) { Init(); m_longValue = (long)defValue; }
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wxPlatform(long defValue) { Init(); m_longValue = defValue; }
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wxPlatform(const wxString& defValue) { Init(); m_stringValue = defValue; }
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wxPlatform(double defValue) { Init(); m_doubleValue = defValue; }
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static wxPlatform If(int platform, long value);
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static wxPlatform IfNot(int platform, long value);
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wxPlatform& ElseIf(int platform, long value);
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wxPlatform& ElseIfNot(int platform, long value);
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wxPlatform& Else(long value);
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static wxPlatform If(int platform, int value) { return If(platform, (long)value); }
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static wxPlatform IfNot(int platform, int value) { return IfNot(platform, (long)value); }
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wxPlatform& ElseIf(int platform, int value) { return ElseIf(platform, (long) value); }
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wxPlatform& ElseIfNot(int platform, int value) { return ElseIfNot(platform, (long) value); }
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wxPlatform& Else(int value) { return Else((long) value); }
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static wxPlatform If(int platform, double value);
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static wxPlatform IfNot(int platform, double value);
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wxPlatform& ElseIf(int platform, double value);
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wxPlatform& ElseIfNot(int platform, double value);
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wxPlatform& Else(double value);
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static wxPlatform If(int platform, const wxString& value);
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static wxPlatform IfNot(int platform, const wxString& value);
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wxPlatform& ElseIf(int platform, const wxString& value);
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wxPlatform& ElseIfNot(int platform, const wxString& value);
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wxPlatform& Else(const wxString& value);
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long GetInteger() const { return m_longValue; }
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const wxString& GetString() const { return m_stringValue; }
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double GetDouble() const { return m_doubleValue; }
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operator int() const { return (int) GetInteger(); }
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operator long() const { return GetInteger(); }
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operator double() const { return GetDouble(); }
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operator const wxString&() const { return GetString(); }
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static void AddPlatform(int platform);
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static bool Is(int platform);
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static void ClearPlatforms();
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private:
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void Init() { m_longValue = 0; m_doubleValue = 0.0; }
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long m_longValue;
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double m_doubleValue;
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wxString m_stringValue;
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static wxArrayInt* sm_customPlatforms;
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};
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/// Function for testing current platform
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inline bool wxPlatformIs(int platform) { return wxPlatform::Is(platform); }
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// ----------------------------------------------------------------------------
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// Window ID management
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// ----------------------------------------------------------------------------
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// Ensure subsequent IDs don't clash with this one
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WXDLLIMPEXP_BASE void wxRegisterId(long id);
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// Return the current ID
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WXDLLIMPEXP_BASE long wxGetCurrentId();
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// Generate a unique ID
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WXDLLIMPEXP_BASE long wxNewId();
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// ----------------------------------------------------------------------------
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// Various conversions
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// ----------------------------------------------------------------------------
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// Convert 2-digit hex number to decimal
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WXDLLIMPEXP_BASE int wxHexToDec(const wxString& buf);
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// Convert 2-digit hex number to decimal
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inline int wxHexToDec(const char* buf)
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{
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int firstDigit, secondDigit;
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if (buf[0] >= 'A')
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firstDigit = buf[0] - 'A' + 10;
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else
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firstDigit = buf[0] - '0';
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if (buf[1] >= 'A')
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secondDigit = buf[1] - 'A' + 10;
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else
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secondDigit = buf[1] - '0';
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return (firstDigit & 0xF) * 16 + (secondDigit & 0xF );
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}
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// Convert decimal integer to 2-character hex string
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WXDLLIMPEXP_BASE void wxDecToHex(int dec, wxChar *buf);
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WXDLLIMPEXP_BASE void wxDecToHex(int dec, char* ch1, char* ch2);
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WXDLLIMPEXP_BASE wxString wxDecToHex(int dec);
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// ----------------------------------------------------------------------------
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// Process management
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// ----------------------------------------------------------------------------
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// NB: for backwards compatibility reasons the values of wxEXEC_[A]SYNC *must*
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// be 0 and 1, don't change!
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enum
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{
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// execute the process asynchronously
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wxEXEC_ASYNC = 0,
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// execute it synchronously, i.e. wait until it finishes
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wxEXEC_SYNC = 1,
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// under Windows, don't hide the child even if it's IO is redirected (this
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// is done by default)
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wxEXEC_NOHIDE = 2,
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// under Unix, if the process is the group leader then passing wxKILL_CHILDREN to wxKill
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// kills all children as well as pid
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wxEXEC_MAKE_GROUP_LEADER = 4,
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// by default synchronous execution disables all program windows to avoid
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// that the user interacts with the program while the child process is
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// running, you can use this flag to prevent this from happening
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wxEXEC_NODISABLE = 8,
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// by default, the event loop is run while waiting for synchronous execution
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// to complete and this flag can be used to simply block the main process
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// until the child process finishes
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wxEXEC_NOEVENTS = 16,
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// convenient synonym for flags given system()-like behaviour
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wxEXEC_BLOCK = wxEXEC_SYNC | wxEXEC_NOEVENTS
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};
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// Map storing environment variables.
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typedef wxStringToStringHashMap wxEnvVariableHashMap;
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// Used to pass additional parameters for child process to wxExecute(). Could
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// be extended with other fields later.
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struct wxExecuteEnv
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{
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wxString cwd; // If empty, CWD is not changed.
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wxEnvVariableHashMap env; // If empty, environment is unchanged.
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};
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// Execute another program.
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//
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// If flags contain wxEXEC_SYNC, return -1 on failure and the exit code of the
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// process if everything was ok. Otherwise (i.e. if wxEXEC_ASYNC), return 0 on
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// failure and the PID of the launched process if ok.
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WXDLLIMPEXP_BASE long wxExecute(const wxString& command,
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int flags = wxEXEC_ASYNC,
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wxProcess *process = NULL,
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const wxExecuteEnv *env = NULL);
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WXDLLIMPEXP_BASE long wxExecute(char **argv,
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int flags = wxEXEC_ASYNC,
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wxProcess *process = NULL,
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const wxExecuteEnv *env = NULL);
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#if wxUSE_UNICODE
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WXDLLIMPEXP_BASE long wxExecute(wchar_t **argv,
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int flags = wxEXEC_ASYNC,
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wxProcess *process = NULL,
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const wxExecuteEnv *env = NULL);
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#endif // wxUSE_UNICODE
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// execute the command capturing its output into an array line by line, this is
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// always synchronous
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WXDLLIMPEXP_BASE long wxExecute(const wxString& command,
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wxArrayString& output,
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int flags = 0,
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const wxExecuteEnv *env = NULL);
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// also capture stderr (also synchronous)
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WXDLLIMPEXP_BASE long wxExecute(const wxString& command,
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wxArrayString& output,
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wxArrayString& error,
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int flags = 0,
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const wxExecuteEnv *env = NULL);
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#if defined(__WXMSW__) && wxUSE_IPC
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// ask a DDE server to execute the DDE request with given parameters
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WXDLLIMPEXP_BASE bool wxExecuteDDE(const wxString& ddeServer,
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const wxString& ddeTopic,
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const wxString& ddeCommand);
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#endif // __WXMSW__ && wxUSE_IPC
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enum wxSignal
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{
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wxSIGNONE = 0, // verify if the process exists under Unix
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wxSIGHUP,
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wxSIGINT,
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wxSIGQUIT,
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wxSIGILL,
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wxSIGTRAP,
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wxSIGABRT,
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wxSIGIOT = wxSIGABRT, // another name
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wxSIGEMT,
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wxSIGFPE,
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wxSIGKILL,
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wxSIGBUS,
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wxSIGSEGV,
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wxSIGSYS,
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wxSIGPIPE,
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wxSIGALRM,
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wxSIGTERM
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// further signals are different in meaning between different Unix systems
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};
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enum wxKillError
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{
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wxKILL_OK, // no error
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wxKILL_BAD_SIGNAL, // no such signal
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wxKILL_ACCESS_DENIED, // permission denied
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wxKILL_NO_PROCESS, // no such process
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wxKILL_ERROR // another, unspecified error
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};
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enum wxKillFlags
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{
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wxKILL_NOCHILDREN = 0, // don't kill children
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wxKILL_CHILDREN = 1 // kill children
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};
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enum wxShutdownFlags
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{
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wxSHUTDOWN_FORCE = 1,// can be combined with other flags (MSW-only)
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wxSHUTDOWN_POWEROFF = 2,// power off the computer
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wxSHUTDOWN_REBOOT = 4,// shutdown and reboot
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wxSHUTDOWN_LOGOFF = 8 // close session (currently MSW-only)
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};
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// Shutdown or reboot the PC
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WXDLLIMPEXP_BASE bool wxShutdown(int flags = wxSHUTDOWN_POWEROFF);
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// send the given signal to the process (only NONE and KILL are supported under
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// Windows, all others mean TERM), return 0 if ok and -1 on error
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//
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// return detailed error in rc if not NULL
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WXDLLIMPEXP_BASE int wxKill(long pid,
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wxSignal sig = wxSIGTERM,
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wxKillError *rc = NULL,
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int flags = wxKILL_NOCHILDREN);
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// Execute a command in an interactive shell window (always synchronously)
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// If no command then just the shell
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WXDLLIMPEXP_BASE bool wxShell(const wxString& command = wxEmptyString);
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// As wxShell(), but must give a (non interactive) command and its output will
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// be returned in output array
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WXDLLIMPEXP_BASE bool wxShell(const wxString& command, wxArrayString& output);
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// Sleep for nSecs seconds
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WXDLLIMPEXP_BASE void wxSleep(int nSecs);
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// Sleep for a given amount of milliseconds
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WXDLLIMPEXP_BASE void wxMilliSleep(unsigned long milliseconds);
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// Sleep for a given amount of microseconds
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WXDLLIMPEXP_BASE void wxMicroSleep(unsigned long microseconds);
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#if WXWIN_COMPATIBILITY_2_8
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// Sleep for a given amount of milliseconds (old, bad name), use wxMilliSleep
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wxDEPRECATED( WXDLLIMPEXP_BASE void wxUsleep(unsigned long milliseconds) );
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#endif
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// Get the process id of the current process
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WXDLLIMPEXP_BASE unsigned long wxGetProcessId();
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// Get free memory in bytes, or -1 if cannot determine amount (e.g. on UNIX)
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WXDLLIMPEXP_BASE wxMemorySize wxGetFreeMemory();
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#if wxUSE_ON_FATAL_EXCEPTION
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// should wxApp::OnFatalException() be called?
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WXDLLIMPEXP_BASE bool wxHandleFatalExceptions(bool doit = true);
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#endif // wxUSE_ON_FATAL_EXCEPTION
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// ----------------------------------------------------------------------------
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// Environment variables
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// ----------------------------------------------------------------------------
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// returns true if variable exists (value may be NULL if you just want to check
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// for this)
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WXDLLIMPEXP_BASE bool wxGetEnv(const wxString& var, wxString *value);
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// set the env var name to the given value, return true on success
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WXDLLIMPEXP_BASE bool wxSetEnv(const wxString& var, const wxString& value);
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// remove the env var from environment
|
|
WXDLLIMPEXP_BASE bool wxUnsetEnv(const wxString& var);
|
|
|
|
#if WXWIN_COMPATIBILITY_2_8
|
|
inline bool wxSetEnv(const wxString& var, const char *value)
|
|
{ return wxSetEnv(var, wxString(value)); }
|
|
inline bool wxSetEnv(const wxString& var, const wchar_t *value)
|
|
{ return wxSetEnv(var, wxString(value)); }
|
|
template<typename T>
|
|
inline bool wxSetEnv(const wxString& var, const wxScopedCharTypeBuffer<T>& value)
|
|
{ return wxSetEnv(var, wxString(value)); }
|
|
inline bool wxSetEnv(const wxString& var, const wxCStrData& value)
|
|
{ return wxSetEnv(var, wxString(value)); }
|
|
|
|
// this one is for passing NULL directly - don't use it, use wxUnsetEnv instead
|
|
wxDEPRECATED( inline bool wxSetEnv(const wxString& var, int value) );
|
|
inline bool wxSetEnv(const wxString& var, int value)
|
|
{
|
|
wxASSERT_MSG( value == 0, "using non-NULL integer as string?" );
|
|
|
|
wxUnusedVar(value); // fix unused parameter warning in release build
|
|
|
|
return wxUnsetEnv(var);
|
|
}
|
|
#endif // WXWIN_COMPATIBILITY_2_8
|
|
|
|
// Retrieve the complete environment by filling specified map.
|
|
// Returns true on success or false if an error occurred.
|
|
WXDLLIMPEXP_BASE bool wxGetEnvMap(wxEnvVariableHashMap *map);
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Network and username functions.
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// NB: "char *" functions are deprecated, use wxString ones!
|
|
|
|
// Get eMail address
|
|
WXDLLIMPEXP_BASE bool wxGetEmailAddress(wxChar *buf, int maxSize);
|
|
WXDLLIMPEXP_BASE wxString wxGetEmailAddress();
|
|
|
|
// Get hostname.
|
|
WXDLLIMPEXP_BASE bool wxGetHostName(wxChar *buf, int maxSize);
|
|
WXDLLIMPEXP_BASE wxString wxGetHostName();
|
|
|
|
// Get FQDN
|
|
WXDLLIMPEXP_BASE wxString wxGetFullHostName();
|
|
WXDLLIMPEXP_BASE bool wxGetFullHostName(wxChar *buf, int maxSize);
|
|
|
|
// Get user ID e.g. jacs (this is known as login name under Unix)
|
|
WXDLLIMPEXP_BASE bool wxGetUserId(wxChar *buf, int maxSize);
|
|
WXDLLIMPEXP_BASE wxString wxGetUserId();
|
|
|
|
// Get user name e.g. Julian Smart
|
|
WXDLLIMPEXP_BASE bool wxGetUserName(wxChar *buf, int maxSize);
|
|
WXDLLIMPEXP_BASE wxString wxGetUserName();
|
|
|
|
// Get current Home dir and copy to dest (returns pstr->c_str())
|
|
WXDLLIMPEXP_BASE wxString wxGetHomeDir();
|
|
WXDLLIMPEXP_BASE const wxChar* wxGetHomeDir(wxString *pstr);
|
|
|
|
// Get the user's (by default use the current user name) home dir,
|
|
// return empty string on error
|
|
WXDLLIMPEXP_BASE wxString wxGetUserHome(const wxString& user = wxEmptyString);
|
|
|
|
|
|
#if wxUSE_LONGLONG
|
|
typedef wxLongLong wxDiskspaceSize_t;
|
|
#else
|
|
typedef long wxDiskspaceSize_t;
|
|
#endif
|
|
|
|
// get number of total/free bytes on the disk where path belongs
|
|
WXDLLIMPEXP_BASE bool wxGetDiskSpace(const wxString& path,
|
|
wxDiskspaceSize_t *pTotal = NULL,
|
|
wxDiskspaceSize_t *pFree = NULL);
|
|
|
|
|
|
|
|
extern "C"
|
|
{
|
|
typedef int (wxCMPFUNC_CONV *CMPFUNCDATA)(const void* pItem1, const void* pItem2, const void* user_data);
|
|
}
|
|
|
|
|
|
WXDLLIMPEXP_BASE void wxQsort(void *const pbase, size_t total_elems,
|
|
size_t size, CMPFUNCDATA cmp, const void* user_data);
|
|
|
|
|
|
#if wxUSE_GUI // GUI only things from now on
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Launch default browser
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// flags for wxLaunchDefaultBrowser
|
|
enum
|
|
{
|
|
wxBROWSER_NEW_WINDOW = 0x01,
|
|
wxBROWSER_NOBUSYCURSOR = 0x02
|
|
};
|
|
|
|
// Launch url in the user's default internet browser
|
|
WXDLLIMPEXP_CORE bool wxLaunchDefaultBrowser(const wxString& url, int flags = 0);
|
|
|
|
// Launch document in the user's default application
|
|
WXDLLIMPEXP_CORE bool wxLaunchDefaultApplication(const wxString& path, int flags = 0);
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Menu accelerators related things
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// flags for wxStripMenuCodes
|
|
enum
|
|
{
|
|
// strip '&' characters
|
|
wxStrip_Mnemonics = 1,
|
|
|
|
// strip everything after '\t'
|
|
wxStrip_Accel = 2,
|
|
|
|
// strip everything (this is the default)
|
|
wxStrip_All = wxStrip_Mnemonics | wxStrip_Accel
|
|
};
|
|
|
|
// strip mnemonics and/or accelerators from the label
|
|
WXDLLIMPEXP_CORE wxString
|
|
wxStripMenuCodes(const wxString& str, int flags = wxStrip_All);
|
|
|
|
#if WXWIN_COMPATIBILITY_2_6
|
|
// obsolete and deprecated version, do not use, use the above overload instead
|
|
wxDEPRECATED(
|
|
WXDLLIMPEXP_CORE wxChar* wxStripMenuCodes(const wxChar *in, wxChar *out = NULL)
|
|
);
|
|
|
|
#if wxUSE_ACCEL
|
|
class WXDLLIMPEXP_FWD_CORE wxAcceleratorEntry;
|
|
|
|
// use wxAcceleratorEntry::Create() or FromString() methods instead
|
|
wxDEPRECATED(
|
|
WXDLLIMPEXP_CORE wxAcceleratorEntry *wxGetAccelFromString(const wxString& label)
|
|
);
|
|
#endif // wxUSE_ACCEL
|
|
|
|
#endif // WXWIN_COMPATIBILITY_2_6
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Window search
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// Returns menu item id or wxNOT_FOUND if none.
|
|
WXDLLIMPEXP_CORE int wxFindMenuItemId(wxFrame *frame, const wxString& menuString, const wxString& itemString);
|
|
|
|
// Find the wxWindow at the given point. wxGenericFindWindowAtPoint
|
|
// is always present but may be less reliable than a native version.
|
|
WXDLLIMPEXP_CORE wxWindow* wxGenericFindWindowAtPoint(const wxPoint& pt);
|
|
WXDLLIMPEXP_CORE wxWindow* wxFindWindowAtPoint(const wxPoint& pt);
|
|
|
|
// NB: this function is obsolete, use wxWindow::FindWindowByLabel() instead
|
|
//
|
|
// Find the window/widget with the given title or label.
|
|
// Pass a parent to begin the search from, or NULL to look through
|
|
// all windows.
|
|
WXDLLIMPEXP_CORE wxWindow* wxFindWindowByLabel(const wxString& title, wxWindow *parent = NULL);
|
|
|
|
// NB: this function is obsolete, use wxWindow::FindWindowByName() instead
|
|
//
|
|
// Find window by name, and if that fails, by label.
|
|
WXDLLIMPEXP_CORE wxWindow* wxFindWindowByName(const wxString& name, wxWindow *parent = NULL);
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Message/event queue helpers
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// Yield to other apps/messages and disable user input
|
|
WXDLLIMPEXP_CORE bool wxSafeYield(wxWindow *win = NULL, bool onlyIfNeeded = false);
|
|
|
|
// Enable or disable input to all top level windows
|
|
WXDLLIMPEXP_CORE void wxEnableTopLevelWindows(bool enable = true);
|
|
|
|
// Check whether this window wants to process messages, e.g. Stop button
|
|
// in long calculations.
|
|
WXDLLIMPEXP_CORE bool wxCheckForInterrupt(wxWindow *wnd);
|
|
|
|
// Consume all events until no more left
|
|
WXDLLIMPEXP_CORE void wxFlushEvents();
|
|
|
|
// a class which disables all windows (except, may be, the given one) in its
|
|
// ctor and enables them back in its dtor
|
|
class WXDLLIMPEXP_CORE wxWindowDisabler
|
|
{
|
|
public:
|
|
// this ctor conditionally disables all windows: if the argument is false,
|
|
// it doesn't do anything
|
|
wxWindowDisabler(bool disable = true);
|
|
|
|
// ctor disables all windows except winToSkip
|
|
wxWindowDisabler(wxWindow *winToSkip);
|
|
|
|
// dtor enables back all windows disabled by the ctor
|
|
~wxWindowDisabler();
|
|
|
|
private:
|
|
// disable all windows except the given one (used by both ctors)
|
|
void DoDisable(wxWindow *winToSkip = NULL);
|
|
|
|
#if defined(__WXOSX__) && wxOSX_USE_COCOA
|
|
wxEventLoop* m_modalEventLoop;
|
|
#endif
|
|
wxWindowList *m_winDisabled;
|
|
bool m_disabled;
|
|
|
|
wxDECLARE_NO_COPY_CLASS(wxWindowDisabler);
|
|
};
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Cursors
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// Set the cursor to the busy cursor for all windows
|
|
WXDLLIMPEXP_CORE void wxBeginBusyCursor(const wxCursor *cursor = wxHOURGLASS_CURSOR);
|
|
|
|
// Restore cursor to normal
|
|
WXDLLIMPEXP_CORE void wxEndBusyCursor();
|
|
|
|
// true if we're between the above two calls
|
|
WXDLLIMPEXP_CORE bool wxIsBusy();
|
|
|
|
// Convenience class so we can just create a wxBusyCursor object on the stack
|
|
class WXDLLIMPEXP_CORE wxBusyCursor
|
|
{
|
|
public:
|
|
wxBusyCursor(const wxCursor* cursor = wxHOURGLASS_CURSOR)
|
|
{ wxBeginBusyCursor(cursor); }
|
|
~wxBusyCursor()
|
|
{ wxEndBusyCursor(); }
|
|
|
|
// FIXME: These two methods are currently only implemented (and needed?)
|
|
// in wxGTK. BusyCursor handling should probably be moved to
|
|
// common code since the wxGTK and wxMSW implementations are very
|
|
// similar except for wxMSW using HCURSOR directly instead of
|
|
// wxCursor.. -- RL.
|
|
static const wxCursor &GetStoredCursor();
|
|
static const wxCursor GetBusyCursor();
|
|
};
|
|
|
|
void WXDLLIMPEXP_CORE wxGetMousePosition( int* x, int* y );
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// X11 Display access
|
|
// ----------------------------------------------------------------------------
|
|
|
|
#if defined(__X__) || defined(__WXGTK__)
|
|
|
|
#ifdef __WXGTK__
|
|
WXDLLIMPEXP_CORE void *wxGetDisplay();
|
|
#endif
|
|
|
|
#ifdef __X__
|
|
WXDLLIMPEXP_CORE WXDisplay *wxGetDisplay();
|
|
WXDLLIMPEXP_CORE bool wxSetDisplay(const wxString& display_name);
|
|
WXDLLIMPEXP_CORE wxString wxGetDisplayName();
|
|
#endif // X or GTK+
|
|
|
|
// use this function instead of the functions above in implementation code
|
|
inline struct _XDisplay *wxGetX11Display()
|
|
{
|
|
return (_XDisplay *)wxGetDisplay();
|
|
}
|
|
|
|
#endif // X11 || wxGTK
|
|
|
|
#endif // wxUSE_GUI
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// wxYield(): these functions are obsolete, please use wxApp methods instead!
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// avoid redeclaring this function here if it had been already declated by
|
|
// wx/app.h, this results in warnings from g++ with -Wredundant-decls
|
|
#ifndef wx_YIELD_DECLARED
|
|
#define wx_YIELD_DECLARED
|
|
|
|
// Yield to other apps/messages
|
|
WXDLLIMPEXP_CORE bool wxYield();
|
|
|
|
#endif // wx_YIELD_DECLARED
|
|
|
|
// Like wxYield, but fails silently if the yield is recursive.
|
|
WXDLLIMPEXP_CORE bool wxYieldIfNeeded();
|
|
|
|
// ----------------------------------------------------------------------------
|
|
// Windows resources access
|
|
// ----------------------------------------------------------------------------
|
|
|
|
// MSW only: get user-defined resource from the .res file.
|
|
#ifdef __WXMSW__
|
|
// default resource type for wxLoadUserResource()
|
|
extern WXDLLIMPEXP_DATA_BASE(const wxChar*) wxUserResourceStr;
|
|
|
|
// Return the pointer to the resource data. This pointer is read-only, use
|
|
// the overload below if you need to modify the data.
|
|
//
|
|
// Returns true on success, false on failure. Doesn't log an error message
|
|
// if the resource is not found (because this could be expected) but does
|
|
// log one if any other error occurs.
|
|
WXDLLIMPEXP_BASE bool
|
|
wxLoadUserResource(const void **outData,
|
|
size_t *outLen,
|
|
const wxString& resourceName,
|
|
const wxString& resourceType = wxUserResourceStr,
|
|
WXHINSTANCE module = 0);
|
|
|
|
// This function allocates a new buffer and makes a copy of the resource
|
|
// data, remember to delete[] the buffer. And avoid using it entirely if
|
|
// the overload above can be used.
|
|
//
|
|
// Returns NULL on failure.
|
|
WXDLLIMPEXP_BASE char*
|
|
wxLoadUserResource(const wxString& resourceName,
|
|
const wxString& resourceType = wxUserResourceStr,
|
|
int* pLen = NULL,
|
|
WXHINSTANCE module = 0);
|
|
#endif // MSW
|
|
|
|
#endif
|
|
// _WX_UTILSH__
|