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