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 #ifdef __WXGTK__
  31 #include "mondrian.xpm"
  32 #endif
  33
  34 #if !WXDEBUG
  35 #error You must set WXDEBUG to 1 on the 'make' command line (MSW) or with configure (GTK)
  36 #endif
  37
  38 // #define new WXDEBUG_NEW
  39
  40 // Define a new application type
  41 class MyApp: public wxApp
  42 { public:
  43     bool OnInit(void);
  44 };
  45
  46 // Define a new frame type
  47 class MyFrame: public wxFrame
  48 { public:
  49     MyFrame(wxFrame *parent);
  50     void OnQuit(wxCommandEvent& event);
  51
  52 DECLARE_EVENT_TABLE()
  53 };
  54
  55 IMPLEMENT_APP(MyApp)
  56
  57 // `Main program' equivalent, creating windows and returning main app frame
  58 bool MyApp::OnInit(void)
  59 {
  60   // Create the main frame window
  61   MyFrame *frame = new MyFrame((wxFrame *) NULL);
  62
  63   // Give it an icon
  64 #ifdef wx_msw
  65   frame->SetIcon(wxIcon("mondrian"));
  66   frame->SetIcon(wxIcon(mondrian_xpm));
  67 #endif
  68
  69   // Make a menubar
  70   wxMenu *file_menu = new wxMenu;
  71
  72   file_menu->Append(wxID_EXIT, "E&xit");
  73   wxMenuBar *menu_bar = new wxMenuBar;
  74   menu_bar->Append(file_menu, "File");
  75   frame->SetMenuBar(menu_bar);
  76
  77   // Make a panel with a message
  78   wxPanel *panel = new wxPanel(frame);
  79
  80   (void)new wxStaticText(panel, -1, "Hello, this is a minimal debugging wxWindows program!", wxPoint(10, 10));
  81
  82   // Show the frame
  83   frame->Show(TRUE);
  84
  85   wxDebugContext::SetCheckpoint();
  86   wxDebugContext::SetFile("debug.log");
  87
  88   wxString *thing = new wxString; // WXDEBUG_NEW wxString;
  89   wxDate* date = new wxDate;
  90
  91   // Proves that defining 'new' to be 'WXDEBUG_NEW' doesn't mess up
  92   // non-object allocation
  93   char *ordinaryNonObject = new char[1000];
  94
  95   const char *data = (const char*) thing ;
  96
  97   wxDebugContext::PrintClasses();
  98   wxDebugContext::Dump();
  99   wxDebugContext::PrintStatistics();
 100
 101   // Don't delete these two objects, to force wxApp to flag a memory leak.
 102 //  delete thing;
 103 //  delete date;
 104 //  delete[] ordinaryNonObject;
 105
 106   return TRUE;
 107 }
 108
 109 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
 110     EVT_MENU(wxID_EXIT, MyFrame::OnQuit)
 111 END_EVENT_TABLE()
 112
 113 // My frame constructor
 114 MyFrame::MyFrame(wxFrame *parent):
 115   wxFrame(parent, -1, "MemCheck wxWindows Sample", wxPoint(-1, -1), wxSize(400, 200))
 116 {}
 117
 118 // Intercept menu commands
 119 void MyFrame::OnQuit(wxCommandEvent& event)
 120 {
 121     Close(TRUE);
 122 }
 123