1719a200c7
Running console sample without parameters didn't do anything by default and didn't output anything neither which was presumably rather confusing. Do output a welcome message at least to indicate that something happened. Closes #13299. git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@68209 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
118 lines
3.5 KiB
C++
118 lines
3.5 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: samples/console/console.cpp
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// Purpose: A sample console (as opposed to GUI) program using wxWidgets
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// Author: Vadim Zeitlin
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// Modified by:
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// Created: 04.10.99
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// RCS-ID: $Id$
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// Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
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// Licence: wxWindows licence
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/////////////////////////////////////////////////////////////////////////////
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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// for all others, include the necessary headers (this file is usually all you
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// need because it includes almost all "standard" wxWidgets headers)
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#include <wx/app.h>
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#include <wx/cmdline.h>
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// ============================================================================
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// implementation
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// ============================================================================
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static const wxCmdLineEntryDesc cmdLineDesc[] =
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{
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{ wxCMD_LINE_SWITCH, "h", "help", "show this help message",
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wxCMD_LINE_VAL_NONE, wxCMD_LINE_OPTION_HELP },
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{ wxCMD_LINE_SWITCH, "d", "dummy", "a dummy switch" },
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// ... your other command line options here...
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{ wxCMD_LINE_NONE }
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};
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int main(int argc, char **argv)
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{
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wxApp::CheckBuildOptions(WX_BUILD_OPTIONS_SIGNATURE, "program");
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wxInitializer initializer;
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if ( !initializer )
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{
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fprintf(stderr, "Failed to initialize the wxWidgets library, aborting.");
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return -1;
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}
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wxCmdLineParser parser(cmdLineDesc, argc, argv);
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switch ( parser.Parse() )
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{
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case -1:
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// help was given, terminating
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break;
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case 0:
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// everything is ok; proceed
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if (parser.Found("d"))
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{
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wxPrintf("Dummy switch was given...\n");
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while (1)
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{
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wxChar input[128];
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wxPrintf("Try to guess the magic number (type 'quit' to escape): ");
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if ( !wxFgets(input, WXSIZEOF(input), stdin) )
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break;
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// kill the last '\n'
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input[wxStrlen(input) - 1] = 0;
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if (wxStrcmp(input, "quit") == 0)
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break;
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long val;
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if (!wxString(input).ToLong(&val))
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{
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wxPrintf("Invalid number...\n");
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continue;
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}
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if (val == 42)
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wxPrintf("You guessed!\n");
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else
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wxPrintf("Bad luck!\n");
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}
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}
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break;
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default:
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break;
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}
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if ( argc == 1 )
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{
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// If there were no command-line options supplied, emit a message
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// otherwise it's not obvious that the sample ran successfully
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wxPrintf("Welcome to the wxWidgets 'console' sample!\n");
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wxPrintf("For more information, run it again with the --help option\n");
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}
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// do something useful here
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return 0;
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}
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