///////////////////////////////////////////////////////////////////////////// // 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) wxOVERRIDE; }; // Define a new frame type class MyFrame: public wxFrame { public: MyFrame(wxFrame *parent); void OnQuit(wxCommandEvent& event); wxDECLARE_EVENT_TABLE(); }; wxIMPLEMENT_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); }