wxWidgets/samples/console/console.cpp
Vadim Zeitlin 1719a200c7 Output something from the console sample even if it's ran without arguments.
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
2011-07-09 23:36:38 +00:00

118 lines
3.5 KiB
C++

/////////////////////////////////////////////////////////////////////////////
// Name: samples/console/console.cpp
// Purpose: A sample console (as opposed to GUI) program using wxWidgets
// Author: Vadim Zeitlin
// Modified by:
// Created: 04.10.99
// RCS-ID: $Id$
// Copyright: (c) 1999 Vadim Zeitlin <zeitlin@dptmaths.ens-cachan.fr>
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// declarations
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
// for all others, include the necessary headers (this file is usually all you
// need because it includes almost all "standard" wxWidgets headers)
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include <wx/app.h>
#include <wx/cmdline.h>
// ============================================================================
// implementation
// ============================================================================
static const wxCmdLineEntryDesc cmdLineDesc[] =
{
{ wxCMD_LINE_SWITCH, "h", "help", "show this help message",
wxCMD_LINE_VAL_NONE, wxCMD_LINE_OPTION_HELP },
{ wxCMD_LINE_SWITCH, "d", "dummy", "a dummy switch" },
// ... your other command line options here...
{ wxCMD_LINE_NONE }
};
int main(int argc, char **argv)
{
wxApp::CheckBuildOptions(WX_BUILD_OPTIONS_SIGNATURE, "program");
wxInitializer initializer;
if ( !initializer )
{
fprintf(stderr, "Failed to initialize the wxWidgets library, aborting.");
return -1;
}
wxCmdLineParser parser(cmdLineDesc, argc, argv);
switch ( parser.Parse() )
{
case -1:
// help was given, terminating
break;
case 0:
// everything is ok; proceed
if (parser.Found("d"))
{
wxPrintf("Dummy switch was given...\n");
while (1)
{
wxChar input[128];
wxPrintf("Try to guess the magic number (type 'quit' to escape): ");
if ( !wxFgets(input, WXSIZEOF(input), stdin) )
break;
// kill the last '\n'
input[wxStrlen(input) - 1] = 0;
if (wxStrcmp(input, "quit") == 0)
break;
long val;
if (!wxString(input).ToLong(&val))
{
wxPrintf("Invalid number...\n");
continue;
}
if (val == 42)
wxPrintf("You guessed!\n");
else
wxPrintf("Bad luck!\n");
}
}
break;
default:
break;
}
if ( argc == 1 )
{
// If there were no command-line options supplied, emit a message
// otherwise it's not obvious that the sample ran successfully
wxPrintf("Welcome to the wxWidgets 'console' sample!\n");
wxPrintf("For more information, run it again with the --help option\n");
}
// do something useful here
return 0;
}