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1/////////////////////////////////////////////////////////////////////////////
2// Name: minimal.cpp
3// Purpose: Minimal wxWindows sample
4// Author: Julian Smart
5// Modified by:
6// Created: 04/01/98
7// RCS-ID: $Id$
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8// Copyright: (c) Julian Smart
9// Licence: wxWindows licence
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10/////////////////////////////////////////////////////////////////////////////
11
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12// ============================================================================
13// declarations
14// ============================================================================
15
16// ----------------------------------------------------------------------------
17// headers
18// ----------------------------------------------------------------------------
c801d85f 19#ifdef __GNUG__
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20 #pragma implementation "minimal.cpp"
21 #pragma interface "minimal.cpp"
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22#endif
23
24// For compilers that support precompilation, includes "wx/wx.h".
25#include "wx/wxprec.h"
26
27#ifdef __BORLANDC__
9fdf3c38 28 #pragma hdrstop
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29#endif
30
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31// for all others, include the necessary headers (this file is usually all you
32// need because it includes almost all "standard" wxWindows headers
c801d85f 33#ifndef WX_PRECOMP
9fdf3c38 34 #include "wx/wx.h"
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35#endif
36
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37// ----------------------------------------------------------------------------
38// ressources
39// ----------------------------------------------------------------------------
40// the application icon
3dd4e4e0 41#if defined(__WXGTK__) || defined(__WXMOTIF__)
9fdf3c38 42 #include "mondrian.xpm"
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43#endif
44
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45// ----------------------------------------------------------------------------
46// private classes
47// ----------------------------------------------------------------------------
48
49// Define a new application type, each program should derive a class from wxApp
50class MyApp : public wxApp
51{
52public:
53 // override base class virtuals
54 // ----------------------------
55
56 // this one is called on application startup and is a good place for the app
57 // initialization (doing it here and not in the ctor allows to have an error
58 // return: if OnInit() returns false, the application terminates)
59 virtual bool OnInit();
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60};
61
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62// Define a new frame type: this is going to be our main frame
63class MyFrame : public wxFrame
64{
65public:
66 // ctor(s)
67 MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
68
69 // event handlers (these functions should _not_ be virtual)
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70 void OnQuit(wxCommandEvent& event);
71 void OnAbout(wxCommandEvent& event);
c50f1fb9 72
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73private:
74 // any class wishing to process wxWindows events must use this macro
75 DECLARE_EVENT_TABLE()
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76};
77
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78// ----------------------------------------------------------------------------
79// constants
80// ----------------------------------------------------------------------------
c801d85f 81
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82// IDs for the controls and the menu commands
83enum
84{
85 // menu items
86 Minimal_Quit = 1,
d6d26e04 87 Minimal_About
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88};
89
90// ----------------------------------------------------------------------------
91// event tables and other macros for wxWindows
92// ----------------------------------------------------------------------------
93
94// the event tables connect the wxWindows events with the functions (event
95// handlers) which process them. It can be also done at run-time, but for the
96// simple menu events like this the static method is much simpler.
c801d85f 97BEGIN_EVENT_TABLE(MyFrame, wxFrame)
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98 EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
99 EVT_MENU(Minimal_About, MyFrame::OnAbout)
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100END_EVENT_TABLE()
101
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102// Create a new application object: this macro will allow wxWindows to create
103// the application object during program execution (it's better than using a
104// static object for many reasons) and also declares the accessor function
105// wxGetApp() which will return the reference of the right type (i.e. MyApp and
106// not wxApp)
107IMPLEMENT_APP(MyApp)
108
109// ============================================================================
110// implementation
111// ============================================================================
c801d85f 112
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113// ----------------------------------------------------------------------------
114// the application class
115// ----------------------------------------------------------------------------
116
117// `Main program' equivalent: the program execution "starts" here
118bool MyApp::OnInit()
119{
01ca9e8e 120 // create the main application window
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121 MyFrame *frame = new MyFrame("Minimal wxWindows App",
122 wxPoint(50, 50), wxSize(450, 340));
123
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124 // and show it (the frames, unlike simple controls, are not shown when
125 // created initially)
9fdf3c38 126 frame->Show(TRUE);
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127
128 // success: wxApp::OnRun() will be called which will enter the main message
129 // loop and the application will run. If we returned FALSE here, the
130 // application would exit immediately.
131 return TRUE;
132}
133
134// ----------------------------------------------------------------------------
135// main frame
136// ----------------------------------------------------------------------------
137
138// frame constructor
139MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
140 : wxFrame((wxFrame *)NULL, -1, title, pos, size)
c801d85f 141{
8208e181 142#ifdef __WXMAC__
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143 // we need this in order to allow the about menu relocation, since ABOUT is
144 // not the default id of the about menu
145 wxApp::s_macAboutMenuItemId = Minimal_About;
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146#endif
147
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148 // set the frame icon
149 SetIcon(wxICON(mondrian));
c801d85f 150
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151 // create a menu bar
152 wxMenu *menuFile = new wxMenu("", wxMENU_TEAROFF);
c801d85f 153
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154 // the "About" item should be in the help menu
155 wxMenu *helpMenu = new wxMenu;
156 helpMenu->Append(Minimal_About, "&About...\tCtrl-A", "Show about dialog");
c801d85f 157
d6d26e04 158 menuFile->Append(Minimal_Quit, "E&xit\tAlt-X", "Quit this program");
01ca9e8e 159
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160 // now append the freshly created menu to the menu bar...
161 wxMenuBar *menuBar = new wxMenuBar();
162 menuBar->Append(menuFile, "&File");
163 menuBar->Append(helpMenu, "&Help");
c801d85f 164
9fdf3c38 165 // ... and attach this menu bar to the frame
d6d26e04 166 SetMenuBar(menuBar);
c801d85f 167
c50f1fb9 168#if wxUSE_STATUSBAR
9fdf3c38 169 // create a status bar just for fun (by default with 1 pane only)
47d67540 170 CreateStatusBar(2);
9fdf3c38 171 SetStatusText("Welcome to wxWindows!");
c50f1fb9 172#endif // wxUSE_STATUSBAR
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173}
174
c801d85f 175
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176// event handlers
177
178void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
c801d85f 179{
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180 // TRUE is to force the frame to close
181 Close(TRUE);
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182}
183
9fdf3c38 184void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
c801d85f 185{
2f877010 186 wxString msg;
9f06bcb3 187 msg.Printf( _T("This is the about dialog of minimal sample.\n")
01ca9e8e 188 _T("Welcome to %s"), wxVERSION_STRING);
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189
190 wxMessageBox(msg, "About Minimal", wxOK | wxICON_INFORMATION, this);
c801d85f 191}