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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 | |
50 | class MyApp : public wxApp | |
51 | { | |
52 | public: | |
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 |
63 | class MyFrame : public wxFrame | |
64 | { | |
65 | public: | |
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); | |
c801d85f | 72 | |
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73 | private: |
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 |
83 | enum | |
84 | { | |
85 | // menu items | |
86 | Minimal_Quit = 1, | |
87 | Minimal_About, | |
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88 | Minimal_Test1, |
89 | Minimal_Test2, | |
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90 | |
91 | // controls start here (the numbers are, of course, arbitrary) | |
92 | Minimal_Text = 1000, | |
93 | }; | |
94 | ||
95 | // ---------------------------------------------------------------------------- | |
96 | // event tables and other macros for wxWindows | |
97 | // ---------------------------------------------------------------------------- | |
98 | ||
99 | // the event tables connect the wxWindows events with the functions (event | |
100 | // handlers) which process them. It can be also done at run-time, but for the | |
101 | // simple menu events like this the static method is much simpler. | |
c801d85f | 102 | BEGIN_EVENT_TABLE(MyFrame, wxFrame) |
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103 | EVT_MENU(Minimal_Quit, MyFrame::OnQuit) |
104 | EVT_MENU(Minimal_About, MyFrame::OnAbout) | |
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105 | END_EVENT_TABLE() |
106 | ||
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107 | // Create a new application object: this macro will allow wxWindows to create |
108 | // the application object during program execution (it's better than using a | |
109 | // static object for many reasons) and also declares the accessor function | |
110 | // wxGetApp() which will return the reference of the right type (i.e. MyApp and | |
111 | // not wxApp) | |
112 | IMPLEMENT_APP(MyApp) | |
113 | ||
114 | // ============================================================================ | |
115 | // implementation | |
116 | // ============================================================================ | |
c801d85f | 117 | |
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118 | // ---------------------------------------------------------------------------- |
119 | // the application class | |
120 | // ---------------------------------------------------------------------------- | |
121 | ||
122 | // `Main program' equivalent: the program execution "starts" here | |
123 | bool MyApp::OnInit() | |
124 | { | |
125 | // Create the main application window | |
126 | MyFrame *frame = new MyFrame("Minimal wxWindows App", | |
127 | wxPoint(50, 50), wxSize(450, 340)); | |
128 | ||
129 | // Show it and tell the application that it's our main window | |
130 | // @@@ what does it do exactly, in fact? is it necessary here? | |
131 | frame->Show(TRUE); | |
132 | SetTopWindow(frame); | |
133 | ||
134 | // success: wxApp::OnRun() will be called which will enter the main message | |
135 | // loop and the application will run. If we returned FALSE here, the | |
136 | // application would exit immediately. | |
137 | return TRUE; | |
138 | } | |
139 | ||
140 | // ---------------------------------------------------------------------------- | |
141 | // main frame | |
142 | // ---------------------------------------------------------------------------- | |
143 | ||
144 | // frame constructor | |
145 | MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) | |
146 | : wxFrame((wxFrame *)NULL, -1, title, pos, size) | |
c801d85f | 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; | |
c801d85f | 153 | |
ab46dc18 | 154 | menuFile->Append(Minimal_About, "&About...\tCtrl-A", "Show about dialog"); |
9fdf3c38 | 155 | menuFile->AppendSeparator(); |
ab46dc18 | 156 | menuFile->Append(Minimal_Quit, "E&xit\tAlt-X", "Quit this program"); |
c801d85f | 157 | |
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158 | // now append the freshly created menu to the menu bar... |
159 | wxMenuBar *menuBar = new wxMenuBar; | |
160 | menuBar->Append(menuFile, "&File"); | |
c801d85f | 161 | |
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162 | // ... and attach this menu bar to the frame |
163 | SetMenuBar(menuBar); | |
c801d85f | 164 | |
9fdf3c38 | 165 | // create a status bar just for fun (by default with 1 pane only) |
47d67540 | 166 | CreateStatusBar(2); |
9fdf3c38 | 167 | SetStatusText("Welcome to wxWindows!"); |
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168 | } |
169 | ||
c801d85f | 170 | |
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171 | // event handlers |
172 | ||
173 | void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) | |
c801d85f | 174 | { |
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175 | // TRUE is to force the frame to close |
176 | Close(TRUE); | |
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177 | } |
178 | ||
9fdf3c38 | 179 | void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event)) |
c801d85f | 180 | { |
2f877010 | 181 | wxString msg; |
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182 | msg.Printf( _T("This is the about dialog of minimal sample.\n") |
183 | _T("Welcome to %s") | |
2f877010 | 184 | #ifdef wxBETA_NUMBER |
9f06bcb3 | 185 | _T(" (beta %d)!") |
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186 | #endif // wxBETA_NUMBER |
187 | , wxVERSION_STRING | |
188 | #ifdef wxBETA_NUMBER | |
189 | , wxBETA_NUMBER | |
190 | #endif // wxBETA_NUMBER | |
191 | ); | |
192 | ||
193 | wxMessageBox(msg, "About Minimal", wxOK | wxICON_INFORMATION, this); | |
c801d85f | 194 | } |