84 lines
3.1 KiB
C
84 lines
3.1 KiB
C
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///////////////////////////////////////////////////////////////////////////////
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// Name: wx/init.h
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// Purpose: wxWindows initialization and finalization functions
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 29.06.2003
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// RCS-ID: $Id$
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// Copyright: (c) 2003 Vadim Zeitlin <vadim@wxwindows.org>
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// Licence: wxWindows licence
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///////////////////////////////////////////////////////////////////////////////
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#ifndef _WX_INIT_H_
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#define _WX_INIT_H_
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#include "wx/wxchar.h"
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// ----------------------------------------------------------------------------
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// wxEntry helper functions which allow to have more fine grained control
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// ----------------------------------------------------------------------------
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// do common initialization, return true if ok (in this case wxEntryCleanup
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// must be called later), otherwise the program can't use wxWindows at all
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//
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// this function also creates wxTheApp as a side effect, if IMPLEMENT_APP
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// hadn't been used a dummy default application object is created
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//
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// note that the parameters may be modified
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extern bool WXDLLEXPORT wxEntryStart(int argc, wxChar **argv);
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// free the resources allocated by the library in wxEntryStart() and shut it
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// down (wxEntryStart() may be called again afterwards if necessary)
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extern void WXDLLEXPORT wxEntryCleanup();
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// ----------------------------------------------------------------------------
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// wxEntry: this function initializes the library, runs the main event loop
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// and cleans it up
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// ----------------------------------------------------------------------------
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// note that other, platform-specific, overloads of wxEntry may exist as well
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// but this one always exists under all platforms
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//
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// returns the program exit code
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extern int WXDLLEXPORT wxEntry(int argc, wxChar **argv);
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// ----------------------------------------------------------------------------
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// Using the library without (explicit) application object: you may avoid using
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// DECLARE_APP and IMPLEMENT_APP macros and call the functions below instead at
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// the program startup and termination
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// ----------------------------------------------------------------------------
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// initialize the library (may be called as many times as needed, but each
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// call to wxInitialize() must be matched by wxUninitialize())
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extern bool WXDLLEXPORT wxInitialize(int argc = 0, wxChar **argv = NULL);
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// clean up -- the library can't be used any more after the last call to
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// wxUninitialize()
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extern void WXDLLEXPORT wxUninitialize();
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// create an object of this class on stack to initialize/cleanup the library
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// automatically
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class WXDLLEXPORT wxInitializer
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{
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public:
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// initialize the library
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wxInitializer() { m_ok = wxInitialize(); }
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// has the initialization been successful? (explicit test)
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bool IsOk() const { return m_ok; }
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// has the initialization been successful? (implicit test)
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operator bool() const { return m_ok; }
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// dtor only does clean up if we initialized the library properly
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~wxInitializer() { if ( m_ok ) wxUninitialize(); }
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private:
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bool m_ok;
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};
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#endif // _WX_INIT_H_
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