Fix unused param warnings

[wxWidgets.git] / samples / regtest / regtest.cpp

diff --git a/samples/regtest/regtest.cpp b/samples/regtest/regtest.cpp
index b3e3367cbf43e48d4d6746ddd34ad4ef2aee2e9b..a7dc10acebe10c4869a345a6a616ea7e4bca59dd 100644 (file)
--- a/samples/regtest/regtest.cpp
+++ b/samples/regtest/regtest.cpp
@@ -181,7 +181,7 @@ class RegFrame : public wxFrame
 {
 public:
     // ctor & dtor
-    RegFrame(wxFrame *parent, wxChar *title, int x, int y, int w, int h);
+    RegFrame(wxFrame *parent, const wxChar *title, int x, int y, int w, int h);
     virtual ~RegFrame();
 
     // callbacks
@@ -233,7 +233,7 @@ enum
     Menu_Delete,
     Menu_Info,
 
-    Ctrl_RegTree  = 200,
+    Ctrl_RegTree  = 200
 };
 
 // ----------------------------------------------------------------------------
@@ -318,6 +318,9 @@ IMPLEMENT_APP(RegApp)
 // `Main program' equivalent, creating windows and returning main app frame
 bool RegApp::OnInit()
 {
+    if ( !wxApp::OnInit() )
+        return false;
+
     // create the main frame window and show it
     RegFrame *frame = new RegFrame(NULL, _T("wxRegTest"), 50, 50, 600, 350);
     frame->Show(true);
@@ -331,7 +334,7 @@ bool RegApp::OnInit()
 // RegFrame
 // ----------------------------------------------------------------------------
 
-RegFrame::RegFrame(wxFrame *parent, wxChar *title, int x, int y, int w, int h)
+RegFrame::RegFrame(wxFrame *parent, const wxChar *title, int x, int y, int w, int h)
         : wxFrame(parent, wxID_ANY, title, wxPoint(x, y), wxSize(w, h))
 {
     // this reduces flicker effects
@@ -361,9 +364,11 @@ RegFrame::RegFrame(wxFrame *parent, wxChar *title, int x, int y, int w, int h)
     m_treeCtrl = new RegTreeCtrl(this, Ctrl_RegTree);
 #endif
 
+#if wxUSE_STATUSBAR
     // create the status line
     // ----------------------
     CreateStatusBar(2);
+#endif // wxUSE_STATUSBAR
 }
 
 RegFrame::~RegFrame()
@@ -383,7 +388,7 @@ void RegFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {
     wxMessageDialog dialog(this,
         _T("wxRegistry sample\n")
-        _T("© 1998, 2000 Vadim Zeitlin"),
+        _T("(c) 1998, 2000 Vadim Zeitlin"),
         _T("About wxRegTest"), wxOK);
 
     dialog.ShowModal();
@@ -697,8 +702,12 @@ void RegTreeCtrl::OnChar(wxKeyEvent& event)
 
 void RegTreeCtrl::OnSelChanged(wxTreeEvent& event)
 {
+#if wxUSE_STATUSBAR
     wxFrame *pFrame = (wxFrame *) wxWindow::GetParent();
     pFrame->SetStatusText(GetNode(event)->FullName(), 1);
+#else
+    wxUnusedVar(event);
+#endif // wxUSE_STATUSBAR
 }
 
 void RegTreeCtrl::OnItemExpanding(wxTreeEvent& event)
@@ -958,7 +967,7 @@ bool RegTreeCtrl::TreeNode::OnExpand()
     while ( bCont )
     {
         wxString strItem;
-        if (str.IsEmpty())
+        if (str.empty())
             strItem = _T("<default>");
         else
             strItem = str;