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/////////////////////////////////////////////////////////////////////////////
// Name: memcheck.cpp
// Purpose: Memory-checking sample
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// Copyright: (c) Julian Smart
// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// For compilers that support precompilation, includes "wx.h".
#include "wx/wxprec.h"
#ifdef __BORLANDC__
#pragma hdrstop
#endif
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/datetime.h"
#ifndef wxHAS_IMAGES_IN_RESOURCES
#include "../sample.xpm"
#endif
#ifndef __WXDEBUG__
#error This program must be compiled in debug mode.
#endif
// Normally, new is automatically defined to be the
// debugging version. If not, this does it.
#if !defined(new) && defined(WXDEBUG_NEW) && wxUSE_MEMORY_TRACING && wxUSE_GLOBAL_MEMORY_OPERATORS
#define new WXDEBUG_NEW
#endif
// Define a new application type
class MyApp: public wxApp
{ public:
bool OnInit(void);
};
// Define a new frame type
class MyFrame: public wxFrame
{ public:
MyFrame(wxFrame *parent);
void OnQuit(wxCommandEvent& event);
DECLARE_EVENT_TABLE()
};
IMPLEMENT_APP(MyApp)
// `Main program' equivalent, creating windows and returning main app frame
bool MyApp::OnInit(void)
{
if ( !wxApp::OnInit() )
return false;
// Create the main frame window
MyFrame *frame = new MyFrame((wxFrame *) NULL);
// Give it an icon
frame->SetIcon(wxICON(sample));
// Make a menubar
wxMenu *file_menu = new wxMenu;
file_menu->Append(wxID_EXIT, wxT("E&xit"));
wxMenuBar *menu_bar = new wxMenuBar;
menu_bar->Append(file_menu, wxT("File"));
frame->SetMenuBar(menu_bar);
// Make a panel with a message
wxPanel *panel = new wxPanel(frame);
(void)new wxStaticText(panel, wxID_ANY, wxT("Hello, this is a minimal debugging wxWidgets program!"), wxPoint(10, 10));
// Show the frame
frame->Show(true);
#if wxUSE_MEMORY_TRACING
wxDebugContext::SetCheckpoint();
#endif
// object allocation
wxBrush* brush = new wxBrush(*wxRED_BRUSH);
wxBitmap* bitmap = new wxBitmap(100, 100);
// non-object allocation
char *ordinaryNonObject = new char[1000];
wxString *thing = new wxString;
#if wxUSE_DATETIME
wxDateTime* date = new wxDateTime;
#endif // wxUSE_DATETIME
const char *data = (const char*) thing ;
#if wxUSE_MEMORY_TRACING
// On MSW, Dump() crashes if using wxLogGui,
// so use wxLogStderr instead.
wxLog* oldLog = wxLog::SetActiveTarget(new wxLogStderr);
wxDebugContext::PrintClasses();
wxDebugContext::Dump();
wxDebugContext::PrintStatistics();
// Set back to wxLogGui
delete wxLog::SetActiveTarget(oldLog);
#endif
// Don't delete these objects, to force wxApp to flag a memory leak.
// delete thing;
// delete date;
// delete[] ordinaryNonObject;
return true;
}
wxBEGIN_EVENT_TABLE(MyFrame, wxFrame)
EVT_MENU(wxID_EXIT, MyFrame::OnQuit)
wxEND_EVENT_TABLE()
// My frame constructor
MyFrame::MyFrame(wxFrame *parent):
wxFrame(parent, wxID_ANY, wxT("MemCheck wxWidgets Sample"), wxDefaultPosition, wxSize(400, 200))
{}
// Intercept menu commands
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
Close(true);
}
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