// `Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
+ if ( !wxApp::OnInit() )
+ return false;
+
// create and show the main application window
MyFrame *frame = new MyFrame(_T("Caret wxWidgets sample"),
wxPoint(50, 50), wxSize(450, 340));
- frame->Show(TRUE);
+ frame->Show(true);
// success: wxApp::OnRun() will be called which will enter the main message
- // loop and the application will run. If we returned FALSE here, the
+ // loop and the application will run. If we returned false here, the
// application would exit immediately.
- return TRUE;
+ return true;
}
// ----------------------------------------------------------------------------
// frame constructor
MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
- : wxFrame((wxFrame *)NULL, -1, title, pos, size)
+ : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size)
{
// set the frame icon
SetIcon(wxICON(mondrian));
m_canvas = new MyCanvas(this);
+#if wxUSE_STATUSBAR
// create a status bar just for fun (by default with 1 pane only)
CreateStatusBar(2);
SetStatusText(_T("Welcome to wxWidgets!"));
+#endif // wxUSE_STATUSBAR
}
void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
{
- // TRUE is to force the frame to close
- Close(TRUE);
+ // true is to force the frame to close
+ Close(true);
}
void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
{
- wxMessageBox(_T("The caret wxWidgets sample.\n© 1999 Vadim Zeitlin"),
+ wxMessageBox(_T("The caret wxWidgets sample.\n(c) 1999 Vadim Zeitlin"),
_T("About Caret"), wxOK | wxICON_INFORMATION, this);
}
END_EVENT_TABLE()
MyCanvas::MyCanvas( wxWindow *parent )
- : wxScrolledWindow( parent, -1,
+ : wxScrolledWindow( parent, wxID_ANY,
wxDefaultPosition, wxDefaultSize,
wxSUNKEN_BORDER )
{
free(m_text);
m_text = (wxChar *)calloc(m_xChars * m_yChars, sizeof(wxChar));
+#if wxUSE_STATUSBAR
wxFrame *frame = wxDynamicCast(GetParent(), wxFrame);
if ( frame && frame->GetStatusBar() )
{
wxString msg;
msg.Printf(_T("Panel size is (%d, %d)"), m_xChars, m_yChars);
-
frame->SetStatusText(msg, 1);
}
+#endif // wxUSE_STATUSBAR
}
// NB: this method is horrible inefficient especially because the caret