X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/be5a51fb592f3fa2ba38ac6cd1e488d6d806058c..b4afc5ec3793511a2606d749d68d2f0f80155871:/samples/caret/caret.cpp

diff --git a/samples/caret/caret.cpp b/samples/caret/caret.cpp
index 5dbfe74c9d..a519db7faa 100644
--- a/samples/caret/caret.cpp
+++ b/samples/caret/caret.cpp
@@ -182,16 +182,19 @@ IMPLEMENT_APP(MyApp)
 // `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;
 }
 
 // ----------------------------------------------------------------------------
@@ -200,7 +203,7 @@ bool MyApp::OnInit()
 
 // 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));
@@ -225,9 +228,11 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
     
     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
 }
 
 
@@ -235,13 +240,13 @@ MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
 
 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);
 }
 
@@ -298,7 +303,7 @@ BEGIN_EVENT_TABLE(MyCanvas, wxScrolledWindow)
 END_EVENT_TABLE()
 
 MyCanvas::MyCanvas( wxWindow *parent )
-        : wxScrolledWindow( parent, -1,
+        : wxScrolledWindow( parent, wxID_ANY,
                             wxDefaultPosition, wxDefaultSize,
                             wxSUNKEN_BORDER )
 {
@@ -385,15 +390,16 @@ void MyCanvas::ChangeSize()
     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