fixes potential crash under gatekeeper

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

diff --git a/samples/minimal/minimal.cpp b/samples/minimal/minimal.cpp
index d78ed2c267f1492dd08d14275854edd67d18f1d5..a78e462908be84bf2a6acba019340414f7ff813c 100644 (file)
--- a/samples/minimal/minimal.cpp
+++ b/samples/minimal/minimal.cpp
@@ -1,6 +1,6 @@
 /////////////////////////////////////////////////////////////////////////////
 // Name:        minimal.cpp
-// Purpose:     Minimal wxWindows sample
+// Purpose:     Minimal wxWidgets sample
 // Author:      Julian Smart
 // Modified by:
 // Created:     04/01/98
@@ -25,7 +25,7 @@
 #endif
 
 // for all others, include the necessary headers (this file is usually all you
-// need because it includes almost all "standard" wxWindows headers)
+// need because it includes almost all "standard" wxWidgets headers)
 #ifndef WX_PRECOMP
     #include "wx/wx.h"
 #endif
@@ -36,7 +36,7 @@
 
 // the application icon (under Windows and OS/2 it is in resources and even
 // though we could still include the XPM here it would be unused)
-#if !defined(__WXMSW__) && !defined(__WXPM__)
+#ifndef wxHAS_IMAGES_IN_RESOURCES
     #include "../sample.xpm"
 #endif
 
@@ -69,7 +69,7 @@ public:
     void OnAbout(wxCommandEvent& event);
 
 private:
-    // any class wishing to process wxWindows events must use this macro
+    // any class wishing to process wxWidgets events must use this macro
     DECLARE_EVENT_TABLE()
 };
 
@@ -90,10 +90,10 @@ enum
 };
 
 // ----------------------------------------------------------------------------
-// event tables and other macros for wxWindows
+// event tables and other macros for wxWidgets
 // ----------------------------------------------------------------------------
 
-// the event tables connect the wxWindows events with the functions (event
+// the event tables connect the wxWidgets events with the functions (event
 // handlers) which process them. It can be also done at run-time, but for the
 // simple menu events like this the static method is much simpler.
 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
@@ -101,7 +101,7 @@ BEGIN_EVENT_TABLE(MyFrame, wxFrame)
     EVT_MENU(Minimal_About, MyFrame::OnAbout)
 END_EVENT_TABLE()
 
-// Create a new application object: this macro will allow wxWindows to create
+// Create a new application object: this macro will allow wxWidgets to create
 // the application object during program execution (it's better than using a
 // static object for many reasons) and also implements the accessor function
 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
@@ -119,8 +119,13 @@ IMPLEMENT_APP(MyApp)
 // 'Main program' equivalent: the program execution "starts" here
 bool MyApp::OnInit()
 {
+    // call the base class initialization method, currently it only parses a
+    // few common command-line options but it could be do more in the future
+    if ( !wxApp::OnInit() )
+        return false;
+
     // create the main application window
-    MyFrame *frame = new MyFrame(_T("Minimal wxWindows App"));
+    MyFrame *frame = new MyFrame("Minimal wxWidgets App");
 
     // and show it (the frames, unlike simple controls, are not shown when
     // created initially)
@@ -145,18 +150,18 @@ MyFrame::MyFrame(const wxString& title)
 
 #if wxUSE_MENUS
     // create a menu bar
-    wxMenu *menuFile = new wxMenu;
+    wxMenu *fileMenu = new wxMenu;
 
     // the "About" item should be in the help menu
     wxMenu *helpMenu = new wxMenu;
-    helpMenu->Append(Minimal_About, _T("&About...\tF1"), _T("Show about dialog"));
+    helpMenu->Append(Minimal_About, "&About\tF1", "Show about dialog");
 
-    menuFile->Append(Minimal_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
+    fileMenu->Append(Minimal_Quit, "E&xit\tAlt-X", "Quit this program");
 
     // now append the freshly created menu to the menu bar...
     wxMenuBar *menuBar = new wxMenuBar();
-    menuBar->Append(menuFile, _T("&File"));
-    menuBar->Append(helpMenu, _T("&Help"));
+    menuBar->Append(fileMenu, "&File");
+    menuBar->Append(helpMenu, "&Help");
 
     // ... and attach this menu bar to the frame
     SetMenuBar(menuBar);
@@ -165,7 +170,7 @@ MyFrame::MyFrame(const wxString& title)
 #if wxUSE_STATUSBAR
     // create a status bar just for fun (by default with 1 pane only)
     CreateStatusBar(2);
-    SetStatusText(_T("Welcome to wxWindows!"));
+    SetStatusText("Welcome to wxWidgets!");
 #endif // wxUSE_STATUSBAR
 }
 
@@ -180,9 +185,16 @@ void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
 
 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
 {
-    wxString msg;
-    msg.Printf( _T("This is the About dialog of the minimal sample.\n")
-                _T("Welcome to %s"), wxVERSION_STRING);
-
-    wxMessageBox(msg, _T("About Minimal"), wxOK | wxICON_INFORMATION, this);
+    wxMessageBox(wxString::Format
+                 (
+                    "Welcome to %s!\n"
+                    "\n"
+                    "This is the minimal wxWidgets sample\n"
+                    "running under %s.",
+                    wxVERSION_STRING,
+                    wxGetOsDescription()
+                 ),
+                 "About wxWidgets minimal sample",
+                 wxOK | wxICON_INFORMATION,
+                 this);
 }