samples/memcheck/memcheck.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        memcheck.cpp
   3 // Purpose:     Memory-checking sample
   4 // Author:      Julian Smart
   5 // Modified by:
   6 // Created:     04/01/98
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) Julian Smart and Markus Holzem
   9 // Licence:     wxWindows license
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 #ifdef __GNUG__
  13 #pragma implementation
  14 #pragma interface
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 #ifndef WX_PRECOMP
  25 #include "wx/wx.h"
  26 #endif
  27
  28 #include "wx/date.h"
  29
  30 #if !WXDEBUG
  31 #error You must set WXDEBUG to 1 on the 'make' command line (MSW) or with configure (GTK)
  32 #endif
  33
  34 // #define new WXDEBUG_NEW
  35
  36 // Define a new application type
  37 class MyApp: public wxApp
  38 { public:
  39     bool OnInit(void);
  40 };
  41
  42 // Define a new frame type
  43 class MyFrame: public wxFrame
  44 { public:
  45     MyFrame(wxFrame *parent);
  46     void OnQuit(wxCommandEvent& event);
  47
  48 DECLARE_EVENT_TABLE()
  49 };
  50
  51 IMPLEMENT_APP(MyApp)
  52
  53 // `Main program' equivalent, creating windows and returning main app frame
  54 bool MyApp::OnInit(void)
  55 {
  56   // Create the main frame window
  57   MyFrame *frame = new MyFrame(NULL);
  58
  59   // Give it an icon
  60 #ifdef wx_msw
  61   frame->SetIcon(wxIcon("mondrian"));
  62 #endif
  63 #ifdef wx_x
  64   frame->SetIcon(wxIcon("mondrian.xbm"));
  65 #endif
  66
  67   // Make a menubar
  68   wxMenu *file_menu = new wxMenu;
  69
  70   file_menu->Append(wxID_EXIT, "E&xit");
  71   wxMenuBar *menu_bar = new wxMenuBar;
  72   menu_bar->Append(file_menu, "File");
  73   frame->SetMenuBar(menu_bar);
  74
  75   // Make a panel with a message
  76   wxPanel *panel = new wxPanel(frame);
  77
  78   (void)new wxStaticText(panel, -1, "Hello, this is a minimal debugging wxWindows program!", wxPoint(10, 10));
  79
  80   // Show the frame
  81   frame->Show(TRUE);
  82
  83   wxDebugContext::SetCheckpoint();
  84   wxDebugContext::SetFile("debug.log");
  85
  86   wxString *thing = new wxString; // WXDEBUG_NEW wxString;
  87   wxDate* date = new wxDate;
  88
  89   // Proves that defining 'new' to be 'WXDEBUG_NEW' doesn't mess up
  90   // non-object allocation
  91   char *ordinaryNonObject = new char[1000];
  92
  93   const char *data = (const char*) thing ;
  94
  95   wxDebugContext::PrintClasses();
  96   wxDebugContext::Dump();
  97   wxDebugContext::PrintStatistics();
  98
  99   // Don't delete these two objects, to force wxApp to flag a memory leak.
 100 //  delete thing;
 101 //  delete date;
 102 //  delete[] ordinaryNonObject;
 103
 104   return TRUE;
 105 }
 106
 107 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 108     EVT_MENU(wxID_EXIT, MyFrame::OnQuit)
 109 END_EVENT_TABLE()
 110
 111 // My frame constructor
 112 MyFrame::MyFrame(wxFrame *parent):
 113   wxFrame(parent, -1, "MemCheck wxWindows Sample", wxPoint(-1, -1), wxSize(400, 200))
 114 {}
 115
 116 // Intercept menu commands
 117 void MyFrame::OnQuit(wxCommandEvent& event)
 118 {
 119     Close(TRUE);
 120 }
 121