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[wxWidgets.git] / samples / html / zip / zip.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: test.cpp
3 // Purpose: wxHtml testing example
4 /////////////////////////////////////////////////////////////////////////////
5
6 #ifdef __GNUG__
7 #pragma implementation "test.cpp"
8 #pragma interface "test.cpp"
9 #endif
10
11 // For compilers that support precompilation, includes "wx/wx.h".
12 #include <wx/wxprec.h>
13
14 #ifdef __BORLANDC__
15 #pragma hdrstop
16 #endif
17
18 // for all others, include the necessary headers (this file is usually all you
19 // need because it includes almost all "standard" wxWindows headers
20 #ifndef WX_PRECOMP
21 #include <wx/wx.h>
22 #endif
23
24 #include <wx/image.h>
25 #include <wx/html/htmlwin.h>
26 #include <wx/fs_zip.h>
27
28 // ----------------------------------------------------------------------------
29 // private classes
30 // ----------------------------------------------------------------------------
31
32 // Define a new application type, each program should derive a class from wxApp
33 class MyApp : public wxApp
34 {
35 public:
36 // override base class virtuals
37 // ----------------------------
38
39 // this one is called on application startup and is a good place for the app
40 // initialization (doing it here and not in the ctor allows to have an error
41 // return: if OnInit() returns false, the application terminates)
42 virtual bool OnInit();
43 };
44
45 // Define a new frame type: this is going to be our main frame
46 class MyFrame : public wxFrame
47 {
48 public:
49 // ctor(s)
50 MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
51
52 // event handlers (these functions should _not_ be virtual)
53 void OnQuit(wxCommandEvent& event);
54 void OnAbout(wxCommandEvent& event);
55 void OnBack(wxCommandEvent& event);
56 void OnForward(wxCommandEvent& event);
57
58 private:
59 // any class wishing to process wxWindows events must use this macro
60 DECLARE_EVENT_TABLE()
61 };
62
63 // ----------------------------------------------------------------------------
64 // constants
65 // ----------------------------------------------------------------------------
66
67 // IDs for the controls and the menu commands
68 enum
69 {
70 // menu items
71 Minimal_Quit = 1,
72 Minimal_About,
73 Minimal_Back,
74 Minimal_Forward
75 };
76
77 // ----------------------------------------------------------------------------
78 // event tables and other macros for wxWindows
79 // ----------------------------------------------------------------------------
80
81 // the event tables connect the wxWindows events with the functions (event
82 // handlers) which process them. It can be also done at run-time, but for the
83 // simple menu events like this the static method is much simpler.
84 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
85 EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
86 EVT_MENU(Minimal_About, MyFrame::OnAbout)
87 EVT_MENU(Minimal_Back, MyFrame::OnBack)
88 EVT_MENU(Minimal_Forward, MyFrame::OnForward)
89 END_EVENT_TABLE()
90
91 // Create a new application object: this macro will allow wxWindows to create
92 // the application object during program execution (it's better than using a
93 // static object for many reasons) and also declares the accessor function
94 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
95 // not wxApp)
96 IMPLEMENT_APP(MyApp)
97
98 // ============================================================================
99 // implementation
100 // ============================================================================
101
102 // ----------------------------------------------------------------------------
103 // the application class
104 // ----------------------------------------------------------------------------
105 // `Main program' equivalent: the program execution "starts" here
106 bool MyApp::OnInit()
107 {
108 #if wxUSE_LIBPNG
109 wxImage::AddHandler(new wxPNGHandler);
110 #endif
111 #if wxUSE_LIBJPEG
112 wxImage::AddHandler(new wxJPEGHandler);
113 #endif
114
115 wxFileSystem::AddHandler(new wxZipFSHandler);
116
117 // Create the main application window
118 MyFrame *frame = new MyFrame("wxHtmlWindow testing application",
119 wxPoint(50, 50), wxSize(640, 480));
120
121 // Show it and tell the application that it's our main window
122 // @@@ what does it do exactly, in fact? is it necessary here?
123 frame->Show(TRUE);
124 SetTopWindow(frame);
125
126 // success: wxApp::OnRun() will be called which will enter the main message
127 // loop and the application will run. If we returned FALSE here, the
128 // application would exit immediately.
129 return TRUE;
130 }
131
132 // ----------------------------------------------------------------------------
133 // main frame
134 // ----------------------------------------------------------------------------
135
136 wxHtmlWindow *html;
137
138 // frame constructor
139 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
140 : wxFrame((wxFrame *)NULL, -1, title, pos, size)
141 {
142 // create a menu bar
143 wxMenu *menuFile = new wxMenu;
144 wxMenu *menuNav = new wxMenu;
145
146 menuFile->Append(Minimal_Quit, "E&xit");
147 menuNav->Append(Minimal_Back, "Go &BACK");
148 menuNav->Append(Minimal_Forward, "Go &FORWARD");
149
150 // now append the freshly created menu to the menu bar...
151 wxMenuBar *menuBar = new wxMenuBar;
152 menuBar->Append(menuFile, "&File");
153 menuBar->Append(menuNav, "&Navigate");
154
155 // ... and attach this menu bar to the frame
156 SetMenuBar(menuBar);
157
158 CreateStatusBar(1);
159
160 {
161 html = new wxHtmlWindow(this);
162 html -> SetRelatedFrame(this, "HTML : %s");
163 html -> SetRelatedStatusBar(0);
164 html -> LoadPage("start.htm");
165 }
166 }
167
168
169 // event handlers
170
171 void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
172 {
173 // TRUE is to force the frame to close
174 Close(TRUE);
175 }
176
177 void MyFrame::OnAbout(wxCommandEvent& WXUNUSED(event))
178 {
179 }
180
181
182
183 void MyFrame::OnBack(wxCommandEvent& WXUNUSED(event))
184 {
185 if (!html -> HistoryBack()) wxMessageBox("You reached prehistory era!");
186 }
187
188
189 void MyFrame::OnForward(wxCommandEvent& WXUNUSED(event))
190 {
191 if (!html -> HistoryForward()) wxMessageBox("No more items in history!");
192 }