/////////////////////////////////////////////////////////////////////////////
// Name: minimal.cpp
-// Purpose: Minimal wxWindows sample
+// Purpose: Minimal wxWidgets sample
// Author: Julian Smart
// Modified by:
// Created: 04/01/98
// RCS-ID: $Id$
-// Copyright: (c) Julian Smart and Markus Holzem
-// Licence: wxWindows license
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
/////////////////////////////////////////////////////////////////////////////
// ============================================================================
// ----------------------------------------------------------------------------
// headers
// ----------------------------------------------------------------------------
-#ifdef __GNUG__
- #pragma implementation "minimal.cpp"
- #pragma interface "minimal.cpp"
-#endif
-
+
// For compilers that support precompilation, includes "wx/wx.h".
#include "wx/wxprec.h"
-
+
#ifdef __BORLANDC__
#pragma hdrstop
#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
// ----------------------------------------------------------------------------
-// ressources
+// resources
// ----------------------------------------------------------------------------
-// the application icon
-#ifdef __WXGTK__
- #include "mondrian.xpm"
+
+// 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__)
+ #include "../sample.xpm"
#endif
// ----------------------------------------------------------------------------
{
public:
// ctor(s)
- MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
+ MyFrame(const wxString& title);
// event handlers (these functions should _not_ be virtual)
void OnQuit(wxCommandEvent& event);
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()
};
enum
{
// menu items
- Minimal_Quit = 1,
- Minimal_About,
+ Minimal_Quit = wxID_EXIT,
- // controls start here (the numbers are, of course, arbitrary)
- Minimal_Text = 1000,
+ // it is important for the id corresponding to the "About" command to have
+ // this standard value as otherwise it won't be handled properly under Mac
+ // (where it is special and put into the "Apple" menu)
+ Minimal_About = wxID_ABOUT
};
// ----------------------------------------------------------------------------
-// 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)
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 declares the accessor function
+// 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
// not wxApp)
IMPLEMENT_APP(MyApp)
// the application class
// ----------------------------------------------------------------------------
-// `Main program' equivalent: the program execution "starts" here
+// 'Main program' equivalent: the program execution "starts" here
bool MyApp::OnInit()
{
- // Create the main application window
- MyFrame *frame = new MyFrame("Minimal wxWindows App",
- wxPoint(50, 50), wxSize(450, 340));
+ // 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("Minimal wxWidgets App");
- // Show it and tell the application that it's our main window
- // @@@ what does it do exactly, in fact? is it necessary here?
- frame->Show(TRUE);
- SetTopWindow(frame);
+ // and show it (the frames, unlike simple controls, are not shown when
+ // created initially)
+ 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)
+MyFrame::MyFrame(const wxString& title)
+ : wxFrame(NULL, wxID_ANY, title)
{
// set the frame icon
- SetIcon(wxICON(mondrian));
+ SetIcon(wxICON(sample));
+#if wxUSE_MENUS
// create a menu bar
- wxMenu *menuFile = new wxMenu;
+ wxMenu *fileMenu = new wxMenu;
- menuFile->Append(Minimal_About, "&About...");
- menuFile->AppendSeparator();
- menuFile->Append(Minimal_Quit, "E&xit");
+ // the "About" item should be in the help menu
+ wxMenu *helpMenu = new wxMenu;
+ helpMenu->Append(Minimal_About, "&About...\tF1", "Show about dialog");
+
+ 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, "&File");
+ wxMenuBar *menuBar = new wxMenuBar();
+ menuBar->Append(fileMenu, "&File");
+ menuBar->Append(helpMenu, "&Help");
// ... and attach this menu bar to the frame
SetMenuBar(menuBar);
+#endif // wxUSE_MENUS
+#if wxUSE_STATUSBAR
// create a status bar just for fun (by default with 1 pane only)
- CreateStatusBar();
- SetStatusText("Welcome to wxWindows!");
-
- // now create some controls
-
- // a panel first - if there were several controls, it would allow us to
- // navigate between them from the keyboard
- wxPanel *panel = new wxPanel(this, -1, wxPoint(0, 0), wxSize(400, 200));
-
- // and a static control whose parent is the panel
- (void)new wxStaticText(panel, -1, "Hello, world!", wxPoint(10, 10));
+ CreateStatusBar(2);
+ SetStatusText("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("This is a minimal sample\nA second line in the message box",
- "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);
}
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