-#include "wx/wx.h"
+/////////////////////////////////////////////////////////////////////////////
+// Name: minimal.cpp
+// Purpose: Minimal wxWidgets sample
+// Author: Julian Smart
+// Modified by:
+// Created: 04/01/98
+// RCS-ID: $Id$
+// Copyright: (c) Julian Smart
+// Licence: wxWindows licence
+/////////////////////////////////////////////////////////////////////////////
+// ============================================================================
+// declarations
+// ============================================================================
-class TestApp : public wxApp
+// ----------------------------------------------------------------------------
+// headers
+// ----------------------------------------------------------------------------
+
+// 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" wxWidgets headers)
+#ifndef WX_PRECOMP
+ #include "wx/wx.h"
+#endif
+
+// ----------------------------------------------------------------------------
+// resources
+// ----------------------------------------------------------------------------
+
+// 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
+
+// ----------------------------------------------------------------------------
+// private classes
+// ----------------------------------------------------------------------------
+
+// Define a new application type, each program should derive a class from wxApp
+class MyApp : public wxApp
{
public:
- virtual bool OnInit() {
- wxFrame *frame = new wxFrame(NULL, -1, _T("Test"));
-
- wxFlexGridSizer *sizer = new wxFlexGridSizer(3, 1, 0, 0);
-
- sizer->Add(new wxListBox(frame, -1, wxDefaultPosition, wxSize(200,100)));
- sizer->Add(new wxButton(frame, -1, _T("Hello")), 0, wxGROW | wxALIGN_RIGHT);
- sizer->Add(new wxTextCtrl(frame, -1, _T("dummy"), wxDefaultPosition, wxSize(200, 100)) );
- sizer->AddGrowableRow(0, 1);
- sizer->AddGrowableRow(1, 1);
- sizer->AddGrowableRow(2, 1);
- sizer->AddGrowableCol(0, 1);
-
- frame->SetSizer(sizer);
- sizer->SetSizeHints(frame);
-
- frame->Show();
- SetTopWindow(frame);
-
- return true;
- }
+ // override base class virtuals
+ // ----------------------------
+
+ // this one is called on application startup and is a good place for the app
+ // initialization (doing it here and not in the ctor allows to have an error
+ // return: if OnInit() returns false, the application terminates)
+ virtual bool OnInit();
};
-IMPLEMENT_APP(TestApp)
+// Define a new frame type: this is going to be our main frame
+class MyFrame : public wxFrame
+{
+public:
+ // ctor(s)
+ 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 wxWidgets events must use this macro
+ DECLARE_EVENT_TABLE()
+};
+
+// ----------------------------------------------------------------------------
+// constants
+// ----------------------------------------------------------------------------
+
+// IDs for the controls and the menu commands
+enum
+{
+ // menu items
+ Minimal_Quit = wxID_EXIT,
+
+ // 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 wxWidgets
+// ----------------------------------------------------------------------------
+
+// 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_Quit, MyFrame::OnQuit)
+ EVT_MENU(Minimal_About, MyFrame::OnAbout)
+END_EVENT_TABLE()
+
+// 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
+// not wxApp)
+IMPLEMENT_APP(MyApp)
+
+// ============================================================================
+// implementation
+// ============================================================================
+
+// ----------------------------------------------------------------------------
+// the application class
+// ----------------------------------------------------------------------------
+
+// '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("Minimal wxWidgets App");
+
+ // 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
+ // application would exit immediately.
+ return true;
+}
+
+// ----------------------------------------------------------------------------
+// main frame
+// ----------------------------------------------------------------------------
+
+// frame constructor
+MyFrame::MyFrame(const wxString& title)
+ : wxFrame(NULL, wxID_ANY, title)
+{
+ // set the frame icon
+ SetIcon(wxICON(sample));
+
+#if wxUSE_MENUS
+ // create a menu bar
+ wxMenu *fileMenu = new wxMenu;
+
+ // 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(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(2);
+ SetStatusText("Welcome to wxWidgets!");
+#endif // wxUSE_STATUSBAR
+}
+
+
+// event handlers
+
+void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
+{
+ // true is to force the frame to close
+ Close(true);
+}
+
+void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
+{
+ 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);
+}
projects / wxWidgets.git / blobdiff