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1 | ///////////////////////////////////////////////////////////////////////////// | |
2 | // Name: htmlctrl.cpp | |
3 | // Purpose: HtmlCtrl sample | |
4 | // Author: Julian Smart / Kevin Ollivier | |
5 | // Modified by: | |
6 | // Created: 04/16/2004 | |
7 | // RCS-ID: $Id$ | |
8 | // Copyright: (c) Julian Smart / Kevin Ollivier | |
9 | // Licence: wxWindows licence | |
10 | ///////////////////////////////////////////////////////////////////////////// | |
11 | ||
12 | // ============================================================================ | |
13 | // declarations | |
14 | // ============================================================================ | |
15 | ||
16 | // ---------------------------------------------------------------------------- | |
17 | // headers | |
18 | // ---------------------------------------------------------------------------- | |
19 | ||
20 | // For compilers that support precompilation, includes "wx/wx.h". | |
21 | #include "wx/wxprec.h" | |
22 | ||
23 | #ifdef __BORLANDC__ | |
24 | #pragma hdrstop | |
25 | #endif | |
26 | ||
27 | // for all others, include the necessary headers (this file is usually all you | |
28 | // need because it includes almost all "standard" wxWidgets headers) | |
29 | #ifndef WX_PRECOMP | |
30 | #include "wx/wx.h" | |
31 | #endif | |
32 | ||
33 | #include "wx/html/webkit.h" | |
34 | ||
35 | #ifndef wxHAS_IMAGES_IN_RESOURCES | |
36 | #include "../../sample.xpm" | |
37 | #endif | |
38 | ||
39 | // ---------------------------------------------------------------------------- | |
40 | // resources | |
41 | // ---------------------------------------------------------------------------- | |
42 | ||
43 | enum { | |
44 | ID_BACK = wxID_HIGHEST + 1, | |
45 | ID_NEXT = wxID_HIGHEST + 2, | |
46 | ID_RELOAD = wxID_HIGHEST + 3, | |
47 | ID_URLLIST = wxID_HIGHEST + 4, | |
48 | ID_STOP = wxID_HIGHEST + 5, | |
49 | ID_WEBKIT = wxID_HIGHEST + 6, | |
50 | ID_VIEW_SOURCE = wxID_HIGHEST + 7, | |
51 | ID_OPEN = wxID_HIGHEST + 8, | |
52 | ID_SAVE = wxID_HIGHEST + 9, | |
53 | ID_SET_SOURCE = wxID_HIGHEST + 10 | |
54 | }; | |
55 | ||
56 | // ---------------------------------------------------------------------------- | |
57 | // private classes | |
58 | // ---------------------------------------------------------------------------- | |
59 | ||
60 | // Define a new application type, each program should derive a class from wxApp | |
61 | class MyApp : public wxApp | |
62 | { | |
63 | public: | |
64 | // override base class virtuals | |
65 | // ---------------------------- | |
66 | ||
67 | // this one is called on application startup and is a good place for the app | |
68 | // initialization (doing it here and not in the ctor allows to have an error | |
69 | // return: if OnInit() returns false, the application terminates) | |
70 | virtual bool OnInit(); | |
71 | }; | |
72 | ||
73 | // Define a new frame type: this is going to be our main frame | |
74 | class MyFrame : public wxFrame | |
75 | { | |
76 | public: | |
77 | // ctor(s) | |
78 | MyFrame(const wxString& title); | |
79 | void OnBackButton(wxCommandEvent& myEvent); | |
80 | void OnNextButton(wxCommandEvent& myEvent); | |
81 | void OnURLEnter(wxCommandEvent& myEvent); | |
82 | void OnStopButton(wxCommandEvent& myEvent); | |
83 | void OnReloadButton(wxCommandEvent& myEvent); | |
84 | void OnViewSource(wxCommandEvent& myEvent); | |
85 | void OnSetSource(wxCommandEvent& myEvent); | |
86 | void OnStateChanged(wxWebKitStateChangedEvent& myEvent); | |
87 | wxWebKitCtrl* mySafari; | |
88 | wxTextCtrl* urlText; | |
89 | private: | |
90 | // any class wishing to process wxWidgets events must use this macro | |
91 | DECLARE_EVENT_TABLE() | |
92 | }; | |
93 | ||
94 | // ---------------------------------------------------------------------------- | |
95 | // event tables and other macros for wxWidgets | |
96 | // ---------------------------------------------------------------------------- | |
97 | ||
98 | // the event tables connect the wxWidgets events with the functions (event | |
99 | // handlers) which process them. It can be also done at run-time, but for the | |
100 | // simple menu events like this the static method is much simpler. | |
101 | BEGIN_EVENT_TABLE(MyFrame, wxFrame) | |
102 | EVT_BUTTON(ID_BACK, MyFrame::OnBackButton) | |
103 | EVT_BUTTON(ID_NEXT, MyFrame::OnNextButton) | |
104 | EVT_BUTTON(ID_STOP, MyFrame::OnStopButton) | |
105 | EVT_BUTTON(ID_RELOAD, MyFrame::OnReloadButton) | |
106 | EVT_MENU(ID_VIEW_SOURCE, MyFrame::OnViewSource) | |
107 | EVT_MENU(ID_SET_SOURCE, MyFrame::OnSetSource) | |
108 | EVT_TEXT_ENTER(ID_URLLIST, MyFrame::OnURLEnter) | |
109 | EVT_WEBKIT_STATE_CHANGED(MyFrame::OnStateChanged) | |
110 | //EVT_MENU(Minimal_Quit, MyFrame::OnQuit) | |
111 | //EVT_MENU(Minimal_About, MyFrame::OnAbout) | |
112 | END_EVENT_TABLE() | |
113 | ||
114 | // Create a new application object: this macro will allow wxWidgets to create | |
115 | // the application object during program execution (it's better than using a | |
116 | // static object for many reasons) and also implements the accessor function | |
117 | // wxGetApp() which will return the reference of the right type (i.e. MyApp and | |
118 | // not wxApp) | |
119 | IMPLEMENT_APP(MyApp) | |
120 | ||
121 | // ============================================================================ | |
122 | // implementation | |
123 | // ============================================================================ | |
124 | ||
125 | // ---------------------------------------------------------------------------- | |
126 | // the application class | |
127 | // ---------------------------------------------------------------------------- | |
128 | ||
129 | // 'Main program' equivalent: the program execution "starts" here | |
130 | bool MyApp::OnInit() | |
131 | { | |
132 | if ( !wxApp::OnInit() ) | |
133 | return false; | |
134 | ||
135 | // create the main application window | |
136 | MyFrame *frame = new MyFrame(wxT("wxWebKit Sample")); | |
137 | ||
138 | // and show it (the frames, unlike simple controls, are not shown when | |
139 | // created initially) | |
140 | frame->Show(true); | |
141 | ||
142 | // success: wxApp::OnRun() will be called which will enter the main message | |
143 | // loop and the application will run. If we returned false here, the | |
144 | // application would exit immediately. | |
145 | return true; | |
146 | } | |
147 | ||
148 | // ---------------------------------------------------------------------------- | |
149 | // main frame | |
150 | // ---------------------------------------------------------------------------- | |
151 | ||
152 | // frame constructor | |
153 | MyFrame::MyFrame(const wxString& title) | |
154 | : wxFrame(NULL, wxID_ANY, title, wxDefaultPosition, wxSize(500,500)) | |
155 | { | |
156 | SetIcon(wxICON(sample)); | |
157 | ||
158 | wxMenuBar* myBar = new wxMenuBar(); | |
159 | wxMenu* fileMenu = new wxMenu; | |
160 | fileMenu->Append(ID_OPEN, _("&Open")); | |
161 | fileMenu->Append(ID_SAVE, _("&Save")); | |
162 | myBar->Append(fileMenu, _("&File")); | |
163 | ||
164 | wxMenu* editMenu = new wxMenu; | |
165 | editMenu->Append(ID_SET_SOURCE, _("Set Page Source")); | |
166 | myBar->Append(editMenu, _("&Edit")); | |
167 | ||
168 | //wxMenu* viewMenu = new wxMenu(_("View")); | |
169 | //viewMenu->Append(ID_VIEW_SOURCE, _("View Source")); | |
170 | //myBar->Append(viewMenu, _("View")); | |
171 | ||
172 | SetMenuBar(myBar); | |
173 | ||
174 | wxToolBar* myToolbar = CreateToolBar(); | |
175 | wxButton* btnBack = new wxButton(myToolbar, ID_BACK, _("Back")); | |
176 | myToolbar->AddControl(btnBack); | |
177 | myToolbar->AddSeparator(); | |
178 | wxButton* btnNext = new wxButton(myToolbar, ID_NEXT, _("Next")); | |
179 | myToolbar->AddControl(btnNext); | |
180 | myToolbar->AddSeparator(); | |
181 | wxButton* btnStop = new wxButton(myToolbar, ID_STOP, _("Stop")); | |
182 | myToolbar->AddControl(btnStop); | |
183 | myToolbar->AddSeparator(); | |
184 | wxButton* btnReload = new wxButton(myToolbar, ID_RELOAD, _("Reload")); | |
185 | myToolbar->AddControl(btnReload); | |
186 | myToolbar->AddSeparator(); | |
187 | urlText = new wxTextCtrl(myToolbar, ID_URLLIST, wxT("http://www.wxwidgets.org"), wxDefaultPosition, wxSize(220, -1), wxTE_PROCESS_ENTER); | |
188 | myToolbar->AddControl(urlText); | |
189 | myToolbar->AddSeparator(); | |
190 | myToolbar->Realize(); | |
191 | ||
192 | // Testing wxWebKitCtrl inside a panel | |
193 | #if 1 | |
194 | wxPanel* panel = new wxPanel(this, wxID_ANY); | |
195 | ||
196 | wxBoxSizer* boxSizer = new wxBoxSizer(wxVERTICAL); | |
197 | panel->SetSizer(boxSizer); | |
198 | ||
199 | mySafari = new wxWebKitCtrl(panel, ID_WEBKIT, wxT("http://www.wxwidgets.org"), wxDefaultPosition, wxSize(200, 200)); | |
200 | ||
201 | boxSizer->Add(mySafari, 1, wxEXPAND); | |
202 | ||
203 | wxBoxSizer* frameSizer = new wxBoxSizer(wxVERTICAL); | |
204 | SetSizer(frameSizer); | |
205 | frameSizer->Add(panel, 1, wxEXPAND); | |
206 | #else | |
207 | mySafari = new wxWebKitCtrl(this, ID_WEBKIT, wxT("http://www.wxwidgets.org"), wxDefaultPosition, wxSize(200, 200)); | |
208 | #endif | |
209 | ||
210 | #if wxUSE_STATUSBAR | |
211 | CreateStatusBar(2); | |
212 | #endif // wxUSE_STATUSBAR | |
213 | } | |
214 | ||
215 | void MyFrame::OnBackButton(wxCommandEvent& WXUNUSED(myEvent)) | |
216 | { | |
217 | if (mySafari->CanGoBack()) | |
218 | mySafari->GoBack(); | |
219 | } | |
220 | ||
221 | void MyFrame::OnNextButton(wxCommandEvent& WXUNUSED(myEvent)) | |
222 | { | |
223 | if (mySafari->CanGoForward()) | |
224 | mySafari->GoForward(); | |
225 | } | |
226 | ||
227 | void MyFrame::OnStopButton(wxCommandEvent& WXUNUSED(myEvent)) | |
228 | { | |
229 | mySafari->Stop(); | |
230 | } | |
231 | ||
232 | void MyFrame::OnReloadButton(wxCommandEvent& WXUNUSED(myEvent)) | |
233 | { | |
234 | mySafari->Reload(); | |
235 | } | |
236 | ||
237 | void MyFrame::OnURLEnter(wxCommandEvent& WXUNUSED(myEvent)) | |
238 | { | |
239 | mySafari->LoadURL(urlText->GetValue()); | |
240 | } | |
241 | ||
242 | void MyFrame::OnStateChanged(wxWebKitStateChangedEvent& myEvent) | |
243 | { | |
244 | if (GetStatusBar() != NULL) | |
245 | { | |
246 | if (myEvent.GetState() == wxWEBKIT_STATE_NEGOTIATING) | |
247 | { | |
248 | GetStatusBar()->SetStatusText(_("Contacting ") + myEvent.GetURL()); | |
249 | urlText->SetValue(myEvent.GetURL()); | |
250 | } | |
251 | else if (myEvent.GetState() == wxWEBKIT_STATE_TRANSFERRING) | |
252 | { | |
253 | GetStatusBar()->SetStatusText(_("Loading ") + myEvent.GetURL()); | |
254 | } | |
255 | else if (myEvent.GetState() == wxWEBKIT_STATE_STOP) | |
256 | { | |
257 | GetStatusBar()->SetStatusText(_("Load complete.")); | |
258 | SetTitle(mySafari->GetTitle()); | |
259 | } | |
260 | else if (myEvent.GetState() == wxWEBKIT_STATE_FAILED) | |
261 | { | |
262 | GetStatusBar()->SetStatusText(_("Failed to load ") + myEvent.GetURL()); | |
263 | } | |
264 | } | |
265 | ||
266 | } | |
267 | ||
268 | void MyFrame::OnViewSource(wxCommandEvent& WXUNUSED(myEvent)) | |
269 | { | |
270 | if (mySafari->CanGetPageSource()) | |
271 | wxMessageBox(mySafari->GetPageSource()); | |
272 | } | |
273 | ||
274 | void MyFrame::OnSetSource(wxCommandEvent& WXUNUSED(myEvent)) | |
275 | { | |
276 | if (mySafari) | |
277 | { | |
278 | wxString myText = wxT("<HTML><HEAD></HEAD><BODY><P>Hello world!</P></BODY></HTML>"); | |
279 | mySafari->SetPageSource(myText); | |
280 | } | |
281 | } |