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Added GetMaxSize virtual method for use by sizers.
[wxWidgets.git] / samples / html / test / test.cpp
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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".
92a19c2e 12#include "wx/wxprec.h"
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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
67547666 21 #include "wx/wx.h"
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22#endif
23
40091824 24#include "wx/image.h"
bbb8f29b 25#include "wx/sysopt.h"
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26#include "wx/html/htmlwin.h"
27#include "wx/html/htmlproc.h"
28#include "wx/fs_inet.h"
29#include "wx/filedlg.h"
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30
31// ----------------------------------------------------------------------------
32// private classes
33// ----------------------------------------------------------------------------
34
35// Define a new application type, each program should derive a class from wxApp
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36class MyApp : public wxApp
37{
38public:
39 // override base class virtuals
40 // ----------------------------
41
42 // this one is called on application startup and is a good place for the app
43 // initialization (doing it here and not in the ctor allows to have an error
44 // return: if OnInit() returns false, the application terminates)
45 virtual bool OnInit();
46};
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47
48// Define a new frame type: this is going to be our main frame
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49class MyFrame : public wxFrame
50{
51public:
52 // ctor(s)
53 MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
54
55 // event handlers (these functions should _not_ be virtual)
56 void OnQuit(wxCommandEvent& event);
57 void OnPageOpen(wxCommandEvent& event);
58 void OnBack(wxCommandEvent& event);
59 void OnForward(wxCommandEvent& event);
60 void OnProcessor(wxCommandEvent& event);
61
62private:
63 wxHtmlWindow *m_Html;
64 wxHtmlProcessor *m_Processor;
65 // any class wishing to process wxWindows events must use this macro
66 DECLARE_EVENT_TABLE()
67};
68
69
70class BoldProcessor : public wxHtmlProcessor
71{
72 public:
73 virtual wxString Process(const wxString& s) const
74 {
75 wxString r(s);
76 r.Replace(wxT("<b>"), wxEmptyString);
77 r.Replace(wxT("<B>"), wxEmptyString);
78 r.Replace(wxT("</b>"), wxEmptyString);
79 r.Replace(wxT("</B>"), wxEmptyString);
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80 return r;
81 }
82};
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83
84// ----------------------------------------------------------------------------
85// constants
86// ----------------------------------------------------------------------------
87
88// IDs for the controls and the menu commands
89 enum
90 {
91 // menu items
92 Minimal_Quit = 1,
2bdebb91 93 Minimal_PageOpen,
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94 Minimal_Back,
95 Minimal_Forward,
3e729cbe 96 Minimal_Processor,
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97
98 // controls start here (the numbers are, of course, arbitrary)
b6fa52db 99 Minimal_Text = 1000
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100 };
101
102// ----------------------------------------------------------------------------
103// event tables and other macros for wxWindows
104// ----------------------------------------------------------------------------
105
106// the event tables connect the wxWindows events with the functions (event
107// handlers) which process them. It can be also done at run-time, but for the
108// simple menu events like this the static method is much simpler.
109 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
110 EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
2bdebb91 111 EVT_MENU(Minimal_PageOpen, MyFrame::OnPageOpen)
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112 EVT_MENU(Minimal_Back, MyFrame::OnBack)
113 EVT_MENU(Minimal_Forward, MyFrame::OnForward)
3e729cbe 114 EVT_MENU(Minimal_Processor, MyFrame::OnProcessor)
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115 END_EVENT_TABLE()
116
117 // Create a new application object: this macro will allow wxWindows to create
118 // the application object during program execution (it's better than using a
119 // static object for many reasons) and also declares the accessor function
120 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
121 // not wxApp)
122 IMPLEMENT_APP(MyApp)
123
124 // ============================================================================
125 // implementation
126 // ============================================================================
127
128 // ----------------------------------------------------------------------------
129 // the application class
130 // ----------------------------------------------------------------------------
131 // `Main program' equivalent: the program execution "starts" here
132 bool MyApp::OnInit()
133 {
954cc8d2 134#if wxUSE_SYSTEM_OPTIONS
bbb8f29b 135 wxSystemOptions::SetOption(wxT("no-maskblt"), 1);
954cc8d2 136#endif
bbb8f29b 137
8b260fbe 138 wxInitAllImageHandlers();
954cc8d2 139#if wxUSE_FS_INET && wxUSE_STREAMS && wxUSE_SOCKETS
bd6882ee 140 wxFileSystem::AddHandler(new wxInternetFSHandler);
954cc8d2 141#endif
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142
143 SetVendorName("wxWindows");
144 SetAppName("wxHtmlTest");
145 // the following call to wxConfig::Get will use it to create an object...
146
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147 // Create the main application window
148 MyFrame *frame = new MyFrame("wxHtmlWindow testing application",
149 wxPoint(50, 50), wxSize(640, 480));
150
151 // Show it and tell the application that it's our main window
152 // @@@ what does it do exactly, in fact? is it necessary here?
153 frame->Show(TRUE);
154 SetTopWindow(frame);
155
156
157 // success: wxApp::OnRun() will be called which will enter the main message
158 // loop and the application will run. If we returned FALSE here, the
159 // application would exit immediately.
160 return TRUE;
161 }
162
163// ----------------------------------------------------------------------------
164// main frame
165// ----------------------------------------------------------------------------
166
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167
168// frame constructor
169 MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
b7141364 170 : wxFrame((wxFrame *)NULL, -1, title, pos, size, wxDEFAULT_FRAME_STYLE, "html_test_app")
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171 {
172 // create a menu bar
173 wxMenu *menuFile = new wxMenu;
174 wxMenu *menuNav = new wxMenu;
175
2bdebb91 176 menuFile->Append(Minimal_PageOpen, "&Open HTML page...");
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177 menuFile->AppendSeparator();
178 menuFile->Append(Minimal_Processor, "&Remove bold attribute", "", TRUE);
179
5526e819 180 menuFile->AppendSeparator();
2083616e 181 menuFile->Append(Minimal_Quit, "&Close frame");
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182 menuNav->Append(Minimal_Back, "Go &BACK");
183 menuNav->Append(Minimal_Forward, "Go &FORWARD");
184
185 // now append the freshly created menu to the menu bar...
186 wxMenuBar *menuBar = new wxMenuBar;
187 menuBar->Append(menuFile, "&File");
188 menuBar->Append(menuNav, "&Navigate");
189
190 // ... and attach this menu bar to the frame
191 SetMenuBar(menuBar);
192
193 CreateStatusBar(1);
194
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195 m_Processor = new BoldProcessor;
196 m_Processor->Enable(FALSE);
2083616e 197 m_Html = new wxHtmlWindow(this);
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198 m_Html->SetRelatedFrame(this, "HTML : %s");
199 m_Html->SetRelatedStatusBar(0);
200 m_Html->ReadCustomization(wxConfig::Get());
201 m_Html->LoadPage("test.htm");
202 m_Html->AddProcessor(m_Processor);
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203 }
204
205
206// event handlers
207
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208void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
209{
210 // TRUE is to force the frame to close
211 m_Html -> WriteCustomization(wxConfig::Get());
212 delete wxConfig::Set(NULL);
213 Close(TRUE);
214}
215
216void MyFrame::OnPageOpen(wxCommandEvent& WXUNUSED(event))
217{
4693b20c 218 wxString p = wxFileSelector(wxT("Open HTML document"), wxT(""), wxT(""), wxT(""), wxT("HTML files|*.htm"));
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219 if (p != wxEmptyString)
220 m_Html -> LoadPage(p);
221}
222
223void MyFrame::OnBack(wxCommandEvent& WXUNUSED(event))
224{
225if (!m_Html -> HistoryBack()) wxMessageBox("You reached prehistory era!");
226}
227
228void MyFrame::OnForward(wxCommandEvent& WXUNUSED(event))
229{
230if (!m_Html -> HistoryForward()) wxMessageBox("No more items in history!");
231}
232
233void MyFrame::OnProcessor(wxCommandEvent& WXUNUSED(event))
234{
235 m_Processor->Enable(!m_Processor->IsEnabled());
236 m_Html->LoadPage(m_Html->GetOpenedPage());
3e729cbe 237}