1998-05-20 10:01:55 -04:00
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/////////////////////////////////////////////////////////////////////////////
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// Name: minimal.cpp
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// Purpose: Minimal wxWidgets sample
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1998-05-20 10:01:55 -04:00
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// Author: Julian Smart
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// Modified by:
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// Created: 04/01/98
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// RCS-ID: $Id$
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// Copyright: (c) Julian Smart
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// Licence: wxWindows licence
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1998-05-20 10:01:55 -04:00
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/////////////////////////////////////////////////////////////////////////////
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1998-09-17 11:18:33 -04:00
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// ============================================================================
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// declarations
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// ============================================================================
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// ----------------------------------------------------------------------------
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// headers
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// ----------------------------------------------------------------------------
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2001-05-31 10:33:17 -04:00
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1998-05-20 10:01:55 -04:00
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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// for all others, include the necessary headers (this file is usually all you
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// need because it includes almost all "standard" wxWidgets headers)
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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// ----------------------------------------------------------------------------
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// resources
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// ----------------------------------------------------------------------------
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2004-02-09 18:01:44 -05:00
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// the application icon (under Windows and OS/2 it is in resources and even
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// though we could still include the XPM here it would be unused)
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#if !defined(__WXMSW__) && !defined(__WXPM__)
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#include "../sample.xpm"
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#endif
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// ----------------------------------------------------------------------------
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// private classes
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// ----------------------------------------------------------------------------
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// Define a new application type, each program should derive a class from wxApp
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class MyApp : public wxApp
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{
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public:
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// override base class virtuals
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// ----------------------------
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// this one is called on application startup and is a good place for the app
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// initialization (doing it here and not in the ctor allows to have an error
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// return: if OnInit() returns false, the application terminates)
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virtual bool OnInit();
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};
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// Define a new frame type: this is going to be our main frame
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class MyFrame : public wxFrame
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{
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public:
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// ctor(s)
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MyFrame(const wxString& title);
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// event handlers (these functions should _not_ be virtual)
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void OnQuit(wxCommandEvent& event);
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void OnAbout(wxCommandEvent& event);
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private:
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// any class wishing to process wxWidgets events must use this macro
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DECLARE_EVENT_TABLE()
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};
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// IDs for the controls and the menu commands
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enum
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{
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// menu items
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Minimal_Quit = wxID_EXIT,
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// it is important for the id corresponding to the "About" command to have
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// this standard value as otherwise it won't be handled properly under Mac
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// (where it is special and put into the "Apple" menu)
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Minimal_About = wxID_ABOUT
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};
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// ----------------------------------------------------------------------------
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// event tables and other macros for wxWidgets
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// ----------------------------------------------------------------------------
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// the event tables connect the wxWidgets events with the functions (event
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// handlers) which process them. It can be also done at run-time, but for the
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// simple menu events like this the static method is much simpler.
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BEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
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EVT_MENU(Minimal_About, MyFrame::OnAbout)
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END_EVENT_TABLE()
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// Create a new application object: this macro will allow wxWidgets to create
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// the application object during program execution (it's better than using a
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// static object for many reasons) and also implements the accessor function
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// wxGetApp() which will return the reference of the right type (i.e. MyApp and
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// not wxApp)
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IMPLEMENT_APP(MyApp)
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// the application class
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// ----------------------------------------------------------------------------
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// 'Main program' equivalent: the program execution "starts" here
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bool MyApp::OnInit()
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{
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// create the main application window
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MyFrame *frame = new MyFrame(_T("Minimal wxWidgets App"));
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// and show it (the frames, unlike simple controls, are not shown when
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// created initially)
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frame->Show(true);
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// success: wxApp::OnRun() will be called which will enter the main message
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// loop and the application will run. If we returned false here, the
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// application would exit immediately.
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return true;
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}
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// ----------------------------------------------------------------------------
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// main frame
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// ----------------------------------------------------------------------------
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// frame constructor
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MyFrame::MyFrame(const wxString& title)
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: wxFrame(NULL, wxID_ANY, title)
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{
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// set the frame icon
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SetIcon(wxICON(sample));
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2001-07-03 15:38:19 -04:00
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#if wxUSE_MENUS
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// create a menu bar
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wxMenu *fileMenu = new wxMenu;
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// the "About" item should be in the help menu
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wxMenu *helpMenu = new wxMenu;
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helpMenu->Append(Minimal_About, _T("&About...\tF1"), _T("Show about dialog"));
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fileMenu->Append(Minimal_Quit, _T("E&xit\tAlt-X"), _T("Quit this program"));
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// now append the freshly created menu to the menu bar...
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wxMenuBar *menuBar = new wxMenuBar();
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menuBar->Append(fileMenu, _T("&File"));
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menuBar->Append(helpMenu, _T("&Help"));
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// ... and attach this menu bar to the frame
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SetMenuBar(menuBar);
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#endif // wxUSE_MENUS
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2003-12-28 12:34:18 -05:00
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#if wxUSE_STATUSBAR
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// create a status bar just for fun (by default with 1 pane only)
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CreateStatusBar(2);
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SetStatusText(_T("Welcome to wxWidgets!"));
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#endif // wxUSE_STATUSBAR
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}
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// event handlers
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void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
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{
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// true is to force the frame to close
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Close(true);
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}
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void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
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{
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wxMessageBox(wxString::Format(
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_T("Welcome to %s!\n")
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_T("\n")
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_T("This is the minimal wxWidgets sample\n")
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_T("running under %s."),
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wxVERSION_STRING,
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wxGetOsDescription().c_str()
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),
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_T("About wxWidgets minimal sample"),
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wxOK | wxICON_INFORMATION,
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this);
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}
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