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: htmlctrl.cpp 29332 2004-09-24 23:18:16Z RN $
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 // ----------------------------------------------------------------------------
36 // resources
37 // ----------------------------------------------------------------------------
38
39 enum {
40 ID_BACK = wxID_HIGHEST + 1,
41 ID_NEXT = wxID_HIGHEST + 2,
42 ID_RELOAD = wxID_HIGHEST + 3,
43 ID_URLLIST = wxID_HIGHEST + 4,
44 ID_STOP = wxID_HIGHEST + 5,
45 ID_WEBKIT = wxID_HIGHEST + 6,
46 ID_VIEW_SOURCE = wxID_HIGHEST + 7,
47 ID_OPEN = wxID_HIGHEST + 8,
48 ID_SAVE = wxID_HIGHEST + 9,
49 ID_SET_SOURCE = wxID_HIGHEST + 10
50 };
51
52 // ----------------------------------------------------------------------------
53 // private classes
54 // ----------------------------------------------------------------------------
55
56 // Define a new application type, each program should derive a class from wxApp
57 class MyApp : public wxApp
58 {
59 public:
60 // override base class virtuals
61 // ----------------------------
62
63 // this one is called on application startup and is a good place for the app
64 // initialization (doing it here and not in the ctor allows to have an error
65 // return: if OnInit() returns false, the application terminates)
66 virtual bool OnInit();
67 };
68
69 // Define a new frame type: this is going to be our main frame
70 class MyFrame : public wxFrame
71 {
72 public:
73 // ctor(s)
74 MyFrame(const wxString& title);
75 void OnBackButton(wxCommandEvent& myEvent);
76 void OnNextButton(wxCommandEvent& myEvent);
77 void OnURLEnter(wxCommandEvent& myEvent);
78 void OnStopButton(wxCommandEvent& myEvent);
79 void OnReloadButton(wxCommandEvent& myEvent);
80 void OnViewSource(wxCommandEvent& myEvent);
81 void OnSetSource(wxCommandEvent& myEvent);
82 void OnStateChanged(wxWebKitStateChangedEvent& myEvent);
83 wxWebKitCtrl* mySafari;
84 wxTextCtrl* urlText;
85 private:
86 // any class wishing to process wxWidgets events must use this macro
87 DECLARE_EVENT_TABLE()
88 };
89
90 // ----------------------------------------------------------------------------
91 // event tables and other macros for wxWidgets
92 // ----------------------------------------------------------------------------
93
94 // the event tables connect the wxWidgets 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.
BEGIN_EVENT_TABLE(MyFrame,wxFrame)97 BEGIN_EVENT_TABLE(MyFrame, wxFrame)
98 EVT_BUTTON(ID_BACK, MyFrame::OnBackButton)
99 EVT_BUTTON(ID_NEXT, MyFrame::OnNextButton)
100 EVT_BUTTON(ID_STOP, MyFrame::OnStopButton)
101 EVT_BUTTON(ID_RELOAD, MyFrame::OnReloadButton)
102 EVT_MENU(ID_VIEW_SOURCE, MyFrame::OnViewSource)
103 EVT_MENU(ID_SET_SOURCE, MyFrame::OnSetSource)
104 EVT_TEXT_ENTER(ID_URLLIST, MyFrame::OnURLEnter)
105 EVT_WEBKIT_STATE_CHANGED(MyFrame::OnStateChanged)
106 //EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
107 //EVT_MENU(Minimal_About, MyFrame::OnAbout)
108 END_EVENT_TABLE()
109
110 // Create a new application object: this macro will allow wxWidgets to create
111 // the application object during program execution (it's better than using a
112 // static object for many reasons) and also implements the accessor function
113 // wxGetApp() which will return the reference of the right type (i.e. MyApp and
114 // not wxApp)
115 IMPLEMENT_APP(MyApp)
116
117 // ============================================================================
118 // implementation
119 // ============================================================================
120
121 // ----------------------------------------------------------------------------
122 // the application class
123 // ----------------------------------------------------------------------------
124
125 // 'Main program' equivalent: the program execution "starts" here
126 bool MyApp::OnInit()
127 {
128 // create the main application window
129 MyFrame *frame = new MyFrame(_T("wxWebKit Sample"));
130
131 // and show it (the frames, unlike simple controls, are not shown when
132 // created initially)
133 frame->Show(true);
134
135 // success: wxApp::OnRun() will be called which will enter the main message
136 // loop and the application will run. If we returned false here, the
137 // application would exit immediately.
138 return true;
139 }
140
141 // ----------------------------------------------------------------------------
142 // main frame
143 // ----------------------------------------------------------------------------
144
145 // frame constructor
MyFrame(const wxString & title)146 MyFrame::MyFrame(const wxString& title)
147 : wxFrame(NULL, wxID_ANY, title, wxDefaultPosition, wxSize(500,500))
148 {
149 wxMenuBar* myBar = new wxMenuBar();
150 wxMenu* fileMenu = new wxMenu;
151 fileMenu->Append(ID_OPEN, _("&Open"));
152 fileMenu->Append(ID_SAVE, _("&Save"));
153 myBar->Append(fileMenu, _("&File"));
154
155 wxMenu* editMenu = new wxMenu;
156 editMenu->Append(ID_SET_SOURCE, _("Set Page Source"));
157 myBar->Append(editMenu, _("&Edit"));
158
159 //wxMenu* viewMenu = new wxMenu(_("View"));
160 //viewMenu->Append(ID_VIEW_SOURCE, _("View Source"));
161 //myBar->Append(viewMenu, _("View"));
162
163 SetMenuBar(myBar);
164
165 wxToolBar* myToolbar = CreateToolBar();
166 wxButton* btnBack = new wxButton(myToolbar, ID_BACK, _("Back"));
167 myToolbar->AddControl(btnBack);
168 myToolbar->AddSeparator();
169 wxButton* btnNext = new wxButton(myToolbar, ID_NEXT, _("Next"));
170 myToolbar->AddControl(btnNext);
171 myToolbar->AddSeparator();
172 wxButton* btnStop = new wxButton(myToolbar, ID_STOP, _("Stop"));
173 myToolbar->AddControl(btnStop);
174 myToolbar->AddSeparator();
175 wxButton* btnReload = new wxButton(myToolbar, ID_RELOAD, _("Reload"));
176 myToolbar->AddControl(btnReload);
177 myToolbar->AddSeparator();
178 urlText = new wxTextCtrl(myToolbar, ID_URLLIST, _T("http://www.wxwidgets.org"), wxDefaultPosition, wxSize(220, -1), wxTE_PROCESS_ENTER);
179 myToolbar->AddControl(urlText);
180 myToolbar->AddSeparator();
181 myToolbar->Realize();
182
183 // Testing wxWebKitCtrl inside a panel
184 #if 1
185 wxPanel* panel = new wxPanel(this, wxID_ANY);
186
187 wxBoxSizer* boxSizer = new wxBoxSizer(wxVERTICAL);
188 panel->SetSizer(boxSizer);
189
190 mySafari = new wxWebKitCtrl(panel, ID_WEBKIT, _T("http://www.wxwidgets.org"), wxDefaultPosition, wxSize(200, 200));
191
192 boxSizer->Add(mySafari, 1, wxEXPAND);
193
194 wxBoxSizer* frameSizer = new wxBoxSizer(wxVERTICAL);
195 SetSizer(frameSizer);
196 frameSizer->Add(panel, 1, wxEXPAND);
197 #else
198 mySafari = new wxWebKitCtrl(this, ID_WEBKIT, _T("http://www.wxwidgets.org"), wxDefaultPosition, wxSize(200, 200));
199 #endif
200
201 #if wxUSE_STATUSBAR
202 CreateStatusBar(2);
203 #endif // wxUSE_STATUSBAR
204 }
205
OnBackButton(wxCommandEvent & myEvent)206 void MyFrame::OnBackButton(wxCommandEvent& myEvent){
207 if (mySafari->CanGoBack())
208 mySafari->GoBack();
209 }
210
OnNextButton(wxCommandEvent & myEvent)211 void MyFrame::OnNextButton(wxCommandEvent& myEvent){
212 if (mySafari->CanGoForward())
213 mySafari->GoForward();
214 }
215
OnStopButton(wxCommandEvent & myEvent)216 void MyFrame::OnStopButton(wxCommandEvent& myEvent){
217 mySafari->Stop();
218 }
219
OnReloadButton(wxCommandEvent & myEvent)220 void MyFrame::OnReloadButton(wxCommandEvent& myEvent){
221 mySafari->Reload();
222 }
223
OnURLEnter(wxCommandEvent & myEvent)224 void MyFrame::OnURLEnter(wxCommandEvent& myEvent){
225 mySafari->LoadURL(urlText->GetValue());
226 }
227
OnStateChanged(wxWebKitStateChangedEvent & myEvent)228 void MyFrame::OnStateChanged(wxWebKitStateChangedEvent& myEvent){
229 if (GetStatusBar() != NULL){
230 if (myEvent.GetState() == wxWEBKIT_STATE_NEGOTIATING){
231 GetStatusBar()->SetStatusText(_("Contacting ") + myEvent.GetURL());
232 urlText->SetValue(myEvent.GetURL());
233 }
234 else if (myEvent.GetState() == wxWEBKIT_STATE_TRANSFERRING){
235 GetStatusBar()->SetStatusText(_("Loading ") + myEvent.GetURL());
236 }
237 else if (myEvent.GetState() == wxWEBKIT_STATE_STOP){
238 GetStatusBar()->SetStatusText(_("Load complete."));
239 SetTitle(mySafari->GetTitle());
240 }
241 else if (myEvent.GetState() == wxWEBKIT_STATE_FAILED){
242 GetStatusBar()->SetStatusText(_("Failed to load ") + myEvent.GetURL());
243 }
244 }
245
246 }
247
OnViewSource(wxCommandEvent & myEvent)248 void MyFrame::OnViewSource(wxCommandEvent& myEvent){
249 if (mySafari->CanGetPageSource())
250 wxMessageBox(mySafari->GetPageSource());
251 }
252
OnSetSource(wxCommandEvent & myEvent)253 void MyFrame::OnSetSource(wxCommandEvent& myEvent){
254 if (mySafari){
255 wxString myText = wxT("<HTML><HEAD></HEAD><BODY><P>Hello world!</P></BODY></HTML>");
256 mySafari->SetPageSource(myText);
257 }
258 }
259