/////////////////////////////////////////////////////////////////////////////
// Name: samples/console/console.cpp
-// Purpose: a sample console (as opposed to GUI) progam using wxWindows
+// 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 license
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// headers
// ----------------------------------------------------------------------------
-#include <stdio.h>
+// For compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
-#include <wx/string.h>
-#include <wx/file.h>
-#include <wx/app.h>
+#ifdef __BORLANDC__
+ #pragma hdrstop
+#endif
-// ----------------------------------------------------------------------------
-// conditional compilation
-// ----------------------------------------------------------------------------
+// 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
-// what to test?
-
-//#define TEST_ARRAYS
-//#define TEST_LOG
-//#define TEST_STRINGS
-#define TEST_THREADS
-//#define TEST_TIME
-//#define TEST_LONGLONG
+#include <wx/app.h>
+#include <wx/cmdline.h>
// ============================================================================
// implementation
// ============================================================================
-// ----------------------------------------------------------------------------
-// long long
-// ----------------------------------------------------------------------------
-
-#ifdef TEST_LONGLONG
-
-#include <wx/longlong.h>
-#include <wx/timer.h>
-
-static void TestSpeed()
-{
- static const long max = 100000000;
- long n;
-
- {
- wxStopWatch sw;
-
- long l = 0;
- for ( n = 0; n < max; n++ )
- {
- l += n;
- }
-
- printf("Summing longs took %ld milliseconds.\n", sw.Time());
- }
-
- {
- wxStopWatch sw;
-
- __int64 l = 0;
- for ( n = 0; n < max; n++ )
- {
- l += n;
- }
-
- printf("Summing __int64s took %ld milliseconds.\n", sw.Time());
- }
-
- {
- wxStopWatch sw;
-
- wxLongLong l;
- for ( n = 0; n < max; n++ )
- {
- l += n;
- }
-
- printf("Summing wxLongLongs took %ld milliseconds.\n", sw.Time());
- }
-}
-
-static void TestDivision()
+static const wxCmdLineEntryDesc cmdLineDesc[] =
{
- wxLongLong ll = 0x38417388; // some number < LONG_MAX
-
- wxASSERT( (ll / 1000l)*1000l == ll );
-}
-
-#endif // TEST_LONGLONG
-
-// ----------------------------------------------------------------------------
-// date time
-// ----------------------------------------------------------------------------
-
-#ifdef TEST_TIME
-
-#include <wx/datetime.h>
-
-#endif // TEST_TIME
-
-// ----------------------------------------------------------------------------
-// threads
-// ----------------------------------------------------------------------------
+ { 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...
-#ifdef TEST_THREADS
-
-#include <wx/thread.h>
-
-static size_t gs_counter = (size_t)-1;
-static wxCriticalSection gs_critsect;
-static wxCondition gs_cond;
-
-class MyJoinableThread : public wxThread
-{
-public:
- MyJoinableThread(size_t n) : wxThread(wxTHREAD_JOINABLE)
- { m_n = n; Create(); }
-
- // thread execution starts here
- virtual ExitCode Entry();
-
-private:
- size_t m_n;
+ { wxCMD_LINE_NONE }
};
-wxThread::ExitCode MyJoinableThread::Entry()
-{
- unsigned long res = 1;
- for ( size_t n = 1; n < m_n; n++ )
- {
- res *= n;
-
- // it's a loooong calculation :-)
- Sleep(100);
- }
-
- return (ExitCode)res;
-}
-
-class MyDetachedThread : public wxThread
+int main(int argc, char **argv)
{
-public:
- MyDetachedThread(size_t n, char ch) { m_n = n; m_ch = ch; Create(); }
-
- // thread execution starts here
- virtual ExitCode Entry();
+ wxApp::CheckBuildOptions(WX_BUILD_OPTIONS_SIGNATURE, "program");
- // and stops here
- virtual void OnExit();
-
-private:
- size_t m_n; // number of characters to write
- char m_ch; // character to write
-};
-
-wxThread::ExitCode MyDetachedThread::Entry()
-{
+ wxInitializer initializer;
+ if ( !initializer )
{
- wxCriticalSectionLocker lock(gs_critsect);
- if ( gs_counter == (size_t)-1 )
- gs_counter = 1;
- else
- gs_counter++;
+ fprintf(stderr, "Failed to initialize the wxWidgets library, aborting.");
+ return -1;
}
- for ( size_t n = 0; n < m_n; n++ )
+ wxCmdLineParser parser(cmdLineDesc, argc, argv);
+ switch ( parser.Parse() )
{
- if ( TestDestroy() )
+ case -1:
+ // help was given, terminating
break;
- putchar(m_ch);
- fflush(stdout);
-
- wxThread::Sleep(100);
- }
-
- return 0;
-}
-
-void MyDetachedThread::OnExit()
-{
- wxLogTrace("thread", "Thread %ld is in OnExit", GetId());
-
- wxCriticalSectionLocker lock(gs_critsect);
- if ( !--gs_counter )
- gs_cond.Signal();
-}
-
-void TestDetachedThreads()
-{
- puts("*** Testing detached threads ***");
-
- static const size_t nThreads = 3;
- MyDetachedThread *threads[nThreads];
- size_t n;
- for ( n = 0; n < nThreads; n++ )
- {
- threads[n] = new MyDetachedThread(10, 'A' + n);
- }
-
- threads[0]->SetPriority(WXTHREAD_MIN_PRIORITY);
- threads[1]->SetPriority(WXTHREAD_MAX_PRIORITY);
-
- for ( n = 0; n < nThreads; n++ )
- {
- threads[n]->Run();
- }
-
- // wait until all threads terminate
- gs_cond.Wait();
-
- puts("");
-}
-
-void TestJoinableThreads()
-{
- puts("*** Testing a joinable thread (a loooong calculation...) ***");
-
- // calc 10! in the background
- MyJoinableThread thread(10);
- thread.Run();
-
- printf("\nThread terminated with exit code %lu.\n",
- (unsigned long)thread.Wait());
-}
-
-void TestThreadSuspend()
-{
- MyDetachedThread *thread = new MyDetachedThread(30, 'X');
-
- thread->Run();
-
- // this is for this demo only, in a real life program we'd use another
- // condition variable which would be signaled from wxThread::Entry() to
- // tell us that the thread really started running - but here just wait a
- // bit and hope that it will be enough (the problem is, of course, that
- // the thread might still not run when we call Pause() which will result
- // in an error)
- wxThread::Sleep(300);
-
- for ( size_t n = 0; n < 3; n++ )
- {
- thread->Pause();
-
- puts("\nThread suspended");
- if ( n > 0 )
- {
- // don't sleep but resume immediately the first time
- wxThread::Sleep(300);
- }
- puts("Going to resume the thread");
-
- thread->Resume();
- }
-
- // wait until the thread terminates
- gs_cond.Wait();
-
- puts("");
-}
-
-#endif // TEST_THREADS
-
-// ----------------------------------------------------------------------------
-// arrays
-// ----------------------------------------------------------------------------
-
-#ifdef TEST_ARRAYS
-
-void PrintArray(const char* name, const wxArrayString& array)
-{
- printf("Dump of the array '%s'\n", name);
-
- size_t nCount = array.GetCount();
- for ( size_t n = 0; n < nCount; n++ )
- {
- printf("\t%s[%u] = '%s'\n", name, n, array[n].c_str());
- }
-}
-
-#endif // TEST_ARRAYS
-
-// ----------------------------------------------------------------------------
-// strings
-// ----------------------------------------------------------------------------
-
-#ifdef TEST_STRINGS
-
-#include "wx/timer.h"
-
-void TestString()
-{
- wxStopWatch sw;
-
- wxString a, b, c;
-
- a.reserve (128);
- b.reserve (128);
- c.reserve (128);
-
- for (int i = 0; i < 1000000; ++i)
- {
- a = "Hello";
- b = " world";
- c = "! How'ya doin'?";
- a += b;
- a += c;
- c = "Hello world! What's up?";
- if (c != a)
- c = "Doh!";
- }
-
- printf ("TestString elapsed time: %ld\n", sw.Time());
-}
-
-void TestPChar()
-{
- wxStopWatch sw;
-
- char a [128];
- char b [128];
- char c [128];
-
- for (int i = 0; i < 1000000; ++i)
- {
- strcpy (a, "Hello");
- strcpy (b, " world");
- strcpy (c, "! How'ya doin'?");
- strcat (a, b);
- strcat (a, c);
- strcpy (c, "Hello world! What's up?");
- if (strcmp (c, a) == 0)
- strcpy (c, "Doh!");
- }
-
- printf ("TestPChar elapsed time: %ld\n", sw.Time());
-}
-
-#endif // TEST_STRINGS
-
-// ----------------------------------------------------------------------------
-// entry point
-// ----------------------------------------------------------------------------
-
-int main(int argc, char **argv)
-{
- if ( !wxInitialize() )
- {
- fprintf(stderr, "Failed to initialize the wxWindows library, aborting.");
- }
-
-#ifdef TEST_STRINGS
- TestPChar();
- TestString();
-#endif // TEST_STRINGS
-
-#ifdef TEST_ARRAYS
- wxArrayString a1;
- a1.Add("tiger");
- a1.Add("cat");
- a1.Add("lion");
- a1.Add("dog");
- a1.Add("human");
- a1.Add("ape");
-
- puts("*** Initially:");
-
- PrintArray("a1", a1);
-
- wxArrayString a2(a1);
- PrintArray("a2", a2);
-
- wxSortedArrayString a3(a1);
- PrintArray("a3", a3);
-
- puts("*** After deleting a string from a1");
- a1.Remove(2);
-
- PrintArray("a1", a1);
- PrintArray("a2", a2);
- PrintArray("a3", a3);
-
- puts("*** After reassigning a1 to a2 and a3");
- a3 = a2 = a1;
- PrintArray("a2", a2);
- PrintArray("a3", a3);
-#endif // TEST_ARRAYS
+ 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;
-#ifdef TEST_LOG
- wxString s;
- for ( size_t n = 0; n < 8000; n++ )
- {
- s << (char)('A' + (n % 26));
+ default:
+ break;
}
- wxString msg;
- msg.Printf("A very very long message: '%s', the end!\n", s.c_str());
-
- // this one shouldn't be truncated
- printf(msg);
-
- // but this one will because log functions use fixed size buffer
- // (note that it doesn't need '\n' at the end neither - will be added
- // by wxLog anyhow)
- wxLogMessage("A very very long message 2: '%s', the end!", s.c_str());
-#endif // TEST_LOG
-
-#ifdef TEST_THREADS
- if ( argc > 1 && argv[1][0] == 't' )
- wxLog::AddTraceMask("thread");
-
- TestThreadSuspend();
- if ( 0 )
+ if ( argc == 1 )
{
- TestDetachedThreads();
- TestJoinableThreads();
+ // 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");
}
-#endif // TEST_THREADS
-
-#ifdef TEST_LONGLONG
- if ( 0 )
- TestSpeed();
- if ( 1 )
- TestDivision();
-#endif // TEST_LONGLONG
-
-#ifdef TEST_TIME
- wxDateTime time = wxDateTime::Now();
- printf("Current time: '%s', current year %u is %sa leap one",
- time.Format().c_str(),
- time.GetYear(),
- wxDateTime::IsLeapYear(time.GetYear()) ? "" : "not");
-#endif // TEST_TIME
- wxUninitialize();
+ // do something useful here
return 0;
}
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