Make it possible to use svn-find-native-eols script without svn checkout.

[wxWidgets.git] / samples / console / console.cpp

diff --git a/samples/console/console.cpp b/samples/console/console.cpp
index 804577456c4b5e4cae1eb5d57571e480cff69a92..fa356714adb5c0d858c2ea5082421ec2e9c7cc0a 100644 (file)
--- a/samples/console/console.cpp
+++ b/samples/console/console.cpp
@@ -1,108 +1,117 @@
 /////////////////////////////////////////////////////////////////////////////
 // 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
 /////////////////////////////////////////////////////////////////////////////
 
-#include <stdio.h>
+// ============================================================================
+// declarations
+// ============================================================================
 
-#include <wx/string.h>
-#include <wx/file.h>
-#include <wx/app.h>
-#include <wx/thread.h>
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
 
-static size_t gs_counter = (size_t)-1;
-static wxCriticalSection gs_critsect;
+// For compilers that support precompilation, includes "wx/wx.h".
+#include "wx/wxprec.h"
 
-class MyThread : public wxThread
-{
-public:
-    MyThread(char ch);
+#ifdef __BORLANDC__
+    #pragma hdrstop
+#endif
 
-    // thread execution starts here
-    virtual void *Entry();
+// 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
 
-    // and stops here
-    virtual void OnExit();
+#include <wx/app.h>
+#include <wx/cmdline.h>
 
-public:
-    char m_ch;
-};
+// ============================================================================
+// implementation
+// ============================================================================
 
-MyThread::MyThread(char ch)
+static const wxCmdLineEntryDesc cmdLineDesc[] =
 {
-    m_ch = ch;
+    { 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...
 
-    Create();
-}
+    { wxCMD_LINE_NONE }
+};
 
-void *MyThread::Entry()
+int main(int argc, char **argv)
 {
-    {
-        wxCriticalSectionLocker lock(gs_critsect);
-        if ( gs_counter == (size_t)-1 )
-            gs_counter = 1;
-        else
-            gs_counter++;
-    }
+    wxApp::CheckBuildOptions(WX_BUILD_OPTIONS_SIGNATURE, "program");
 
-    for ( size_t n = 0; n < 10; n++ )
+    wxInitializer initializer;
+    if ( !initializer )
     {
-        if ( TestDestroy() )
-            break;
-
-        putchar(m_ch);
-        fflush(stdout);
-
-        wxThread::Sleep(100);
+        fprintf(stderr, "Failed to initialize the wxWidgets library, aborting.");
+        return -1;
     }
 
-    return NULL;
-}
-
-void MyThread::OnExit()
-{
-    wxCriticalSectionLocker lock(gs_critsect);
-    gs_counter--;
-}
-
-int main(int argc, char **argv)
-{
-    if ( !wxInitialize() )
+    wxCmdLineParser parser(cmdLineDesc, argc, argv);
+    switch ( parser.Parse() )
     {
-        fprintf(stderr, "Failed to initialize the wxWindows library, aborting.");
-    }
+        case -1:
+            // help was given, terminating
+            break;
 
-    static const size_t nThreads = 3;
-    MyThread *threads[nThreads];
-    size_t n;
-    for ( n = 0; n < nThreads; n++ )
-    {
-        threads[n] = new MyThread('+' + n);
-        threads[n]->Run();
-    }
+        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;
 
-    // wait until all threads terminate
-    for ( ;; )
-    {
-        wxCriticalSectionLocker lock(gs_critsect);
-        if ( !gs_counter )
+        default:
             break;
     }
 
-    puts("\nThat's all, folks!");
-
-    for ( n = 0; n < nThreads; n++ )
+    if ( argc == 1 )
     {
-        threads[n]->Delete();
+        // 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");
     }
 
-    wxUninitialize();
+    // do something useful here
 
     return 0;
 }