samples/web/web.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        web.cpp
   3 // Purpose:     wxWebView sample
   4 // Author:      Marianne Gagnon
   5 // Id:          $Id$
   6 // Copyright:   (c) 2010 Marianne Gagnon, Steven Lamerton
   7 // Licence:     wxWindows licence
   8 /////////////////////////////////////////////////////////////////////////////
   9
  10 // ----------------------------------------------------------------------------
  11 // headers
  12 // ----------------------------------------------------------------------------
  13
  14 // For compilers that support precompilation, includes "wx/wx.h".
  15 #include "wx/wxprec.h"
  16
  17 #ifdef __BORLANDC__
  18     #pragma hdrstop
  19 #endif
  20
  21 #ifndef WX_PRECOMP
  22     #include "wx/wx.h"
  23 #endif
  24
  25 #include <wx/artprov.h>
  26 #include <wx/notifmsg.h>
  27 #include <wx/settings.h>
  28 #include <wx/webview.h>
  29 #include <wx/infobar.h>
  30
  31 #if !defined(__WXMSW__) && !defined(__WXPM__)
  32     #include "../sample.xpm"
  33 #endif
  34
  35 #if wxUSE_STC
  36 #include <wx/stc/stc.h>
  37 #else
  38 #error "wxStyledTextControl is needed by this sample"
  39 #endif
  40
  41 #include "stop.xpm"
  42 #include "refresh.xpm"
  43 #include "wxlogo.xpm"
  44
  45 class WebApp : public wxApp
  46 {
  47 public:
  48     virtual bool OnInit();
  49 };
  50
  51 class WebFrame : public wxFrame
  52 {
  53 public:
  54     WebFrame();
  55
  56     void OnAnimationTimer(wxTimerEvent& evt);
  57     void UpdateState();
  58     void OnUrl(wxCommandEvent& evt);
  59     void OnBack(wxCommandEvent& evt);
  60     void OnForward(wxCommandEvent& evt);
  61     void OnStop(wxCommandEvent& evt);
  62     void OnReload(wxCommandEvent& evt);
  63     void OnClearHistory(wxCommandEvent& evt);
  64     void OnEnableHistory(wxCommandEvent& evt);
  65     void OnNavigationRequest(wxWebNavigationEvent& evt);
  66     void OnNavigationComplete(wxWebNavigationEvent& evt);
  67     void OnDocumentLoaded(wxWebNavigationEvent& evt);
  68     void OnNewWindow(wxWebNavigationEvent& evt);
  69     void OnViewSourceRequest(wxCommandEvent& evt);
  70     void OnToolsClicked(wxCommandEvent& evt);
  71     void OnSetZoom(wxCommandEvent& evt);
  72     void OnError(wxWebNavigationEvent& evt);
  73     void OnPrint(wxCommandEvent& evt);
  74     void OnCut(wxCommandEvent& evt);
  75     void OnCopy(wxCommandEvent& evt);
  76     void OnPaste(wxCommandEvent& evt);
  77     void OnUndo(wxCommandEvent& evt);
  78     void OnRedo(wxCommandEvent& evt);
  79
  80 private:
  81     wxTextCtrl* m_url;
  82     wxWebView* m_browser;
  83
  84     wxToolBar* m_toolbar;
  85     wxToolBarToolBase* m_toolbar_back;
  86     wxToolBarToolBase* m_toolbar_forward;
  87     wxToolBarToolBase* m_toolbar_stop;
  88     wxToolBarToolBase* m_toolbar_reload;
  89     wxToolBarToolBase* m_toolbar_tools;
  90
  91     wxMenu* m_tools_menu;
  92     wxMenuItem* m_tools_tiny;
  93     wxMenuItem* m_tools_small;
  94     wxMenuItem* m_tools_medium;
  95     wxMenuItem* m_tools_large;
  96     wxMenuItem* m_tools_largest;
  97     wxMenuItem* m_tools_handle_navigation;
  98     wxMenuItem* m_tools_handle_new_window;
  99     wxMenuItem* m_tools_enable_history;
 100     wxMenuItem* m_edit_cut;
 101     wxMenuItem* m_edit_copy;
 102     wxMenuItem* m_edit_paste;
 103     wxMenuItem* m_edit_undo;
 104     wxMenuItem* m_edit_redo;
 105
 106     wxTimer* m_timer;
 107     int m_animation_angle;
 108
 109     wxInfoBar *m_info;
 110     wxStaticText* m_info_text;
 111 };
 112
 113 class SourceViewDialog : public wxDialog
 114 {
 115 public:
 116     SourceViewDialog(wxWindow* parent, wxString source);
 117 };
 118
 119 IMPLEMENT_APP(WebApp)
 120
 121 // ============================================================================
 122 // implementation
 123 // ============================================================================
 124
 125 bool WebApp::OnInit()
 126 {
 127     if ( !wxApp::OnInit() )
 128         return false;
 129
 130     WebFrame *frame = new WebFrame();
 131     frame->Show();
 132
 133     return true;
 134 }
 135
 136 WebFrame::WebFrame() : wxFrame(NULL, wxID_ANY, "wxWebView Sample")
 137 {
 138     // set the frame icon
 139     SetIcon(wxICON(sample));
 140     SetTitle("wxWebView Sample");
 141
 142     m_timer = NULL;
 143     m_animation_angle = 0;
 144
 145
 146     wxBoxSizer* topsizer = new wxBoxSizer(wxVERTICAL);
 147
 148     // Create the toolbar
 149     m_toolbar = CreateToolBar(wxTB_TEXT);
 150     m_toolbar->SetToolBitmapSize(wxSize(32, 32));
 151
 152     wxBitmap back = wxArtProvider::GetBitmap(wxART_GO_BACK , wxART_TOOLBAR);
 153     wxBitmap forward = wxArtProvider::GetBitmap(wxART_GO_FORWARD , wxART_TOOLBAR);
 154     #ifdef __WXGTK__
 155         wxBitmap stop = wxArtProvider::GetBitmap("gtk-stop", wxART_TOOLBAR);
 156     #else
 157         wxBitmap stop = wxBitmap(stop_xpm);
 158     #endif
 159     #ifdef __WXGTK__
 160         wxBitmap refresh = wxArtProvider::GetBitmap("gtk-refresh", wxART_TOOLBAR);
 161     #else
 162         wxBitmap refresh = wxBitmap(refresh_xpm);
 163     #endif
 164
 165     m_toolbar_back = m_toolbar->AddTool(wxID_ANY, _("Back"), back);
 166     m_toolbar_forward = m_toolbar->AddTool(wxID_ANY, _("Forward"), forward);
 167     m_toolbar_stop = m_toolbar->AddTool(wxID_ANY, _("Stop"), stop);
 168     m_toolbar_reload = m_toolbar->AddTool(wxID_ANY, _("Reload"),  refresh);
 169     m_url = new wxTextCtrl(m_toolbar, wxID_ANY, wxT(""),  wxDefaultPosition, wxSize(400, -1), wxTE_PROCESS_ENTER );
 170     m_toolbar->AddControl(m_url, _("URL"));
 171     m_toolbar_tools = m_toolbar->AddTool(wxID_ANY, _("Menu"), wxBitmap(wxlogo_xpm));
 172
 173     m_toolbar->Realize();
 174
 175     // Create the info panel
 176     m_info = new wxInfoBar(this);
 177     topsizer->Add(m_info, wxSizerFlags().Expand());
 178
 179     // Create the webview
 180     m_browser = wxWebView::New(this, wxID_ANY, "http://www.wxwidgets.org");
 181     topsizer->Add(m_browser, wxSizerFlags().Expand().Proportion(1));
 182
 183     SetSizer(topsizer);
 184
 185     //Set a more sensible size for web browsing
 186     SetSize(wxSize(800, 600));
 187
 188     // Create a log window
 189     new wxLogWindow(this, _("Logging"));
 190
 191     // Create the Tools menu
 192     m_tools_menu = new wxMenu();
 193     wxMenuItem* print = m_tools_menu->Append(wxID_ANY , _("Print"));
 194     wxMenuItem* viewSource = m_tools_menu->Append(wxID_ANY , _("View Source"));
 195     m_tools_menu->AppendSeparator();
 196     m_tools_tiny = m_tools_menu->AppendCheckItem(wxID_ANY, _("Tiny"));
 197     m_tools_small = m_tools_menu->AppendCheckItem(wxID_ANY, _("Small"));
 198     m_tools_medium = m_tools_menu->AppendCheckItem(wxID_ANY, _("Medium"));
 199     m_tools_large = m_tools_menu->AppendCheckItem(wxID_ANY, _("Large"));
 200     m_tools_largest = m_tools_menu->AppendCheckItem(wxID_ANY, _("Largest"));
 201     m_tools_menu->AppendSeparator();
 202     m_tools_handle_navigation = m_tools_menu->AppendCheckItem(wxID_ANY, _("Handle Navigation"));
 203     m_tools_handle_new_window = m_tools_menu->AppendCheckItem(wxID_ANY, _("Handle New Windows"));
 204     m_tools_menu->AppendSeparator();
 205     wxMenuItem* clearhist =  m_tools_menu->Append(wxID_ANY, _("Clear History"));
 206     m_tools_enable_history = m_tools_menu->AppendCheckItem(wxID_ANY, _("Enable History"));
 207
 208     //Create an editing menu
 209     wxMenu* editmenu = new wxMenu();
 210     m_edit_cut = editmenu->Append(wxID_ANY, _("Cut"));
 211     m_edit_copy = editmenu->Append(wxID_ANY, _("Copy"));
 212     m_edit_paste = editmenu->Append(wxID_ANY, _("Paste"));
 213     editmenu->AppendSeparator();
 214     m_edit_undo = editmenu->Append(wxID_ANY, _("Undo"));
 215     m_edit_redo = editmenu->Append(wxID_ANY, _("Redo"));
 216
 217     m_tools_menu->AppendSeparator();
 218     m_tools_menu->AppendSubMenu(editmenu, "Edit");
 219
 220     //By default we want to handle navigation and new windows
 221     m_tools_handle_navigation->Check();
 222     m_tools_handle_new_window->Check();
 223     m_tools_enable_history->Check();
 224
 225
 226     // Connect the toolbar events
 227     Connect(m_toolbar_back->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
 228             wxCommandEventHandler(WebFrame::OnBack), NULL, this );
 229     Connect(m_toolbar_forward->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
 230             wxCommandEventHandler(WebFrame::OnForward), NULL, this );
 231     Connect(m_toolbar_stop->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
 232             wxCommandEventHandler(WebFrame::OnStop), NULL, this );
 233     Connect(m_toolbar_reload->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
 234             wxCommandEventHandler(WebFrame::OnReload),NULL, this );
 235     Connect(m_toolbar_tools->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
 236             wxCommandEventHandler(WebFrame::OnToolsClicked), NULL, this );
 237
 238     Connect(m_url->GetId(), wxEVT_COMMAND_TEXT_ENTER,
 239             wxCommandEventHandler(WebFrame::OnUrl), NULL, this );
 240
 241     // Connect the webview events
 242     Connect(m_browser->GetId(), wxEVT_COMMAND_WEB_VIEW_NAVIGATING,
 243             wxWebNavigationEventHandler(WebFrame::OnNavigationRequest), NULL, this);
 244     Connect(m_browser->GetId(), wxEVT_COMMAND_WEB_VIEW_NAVIGATED,
 245             wxWebNavigationEventHandler(WebFrame::OnNavigationComplete), NULL, this);
 246     Connect(m_browser->GetId(), wxEVT_COMMAND_WEB_VIEW_LOADED,
 247             wxWebNavigationEventHandler(WebFrame::OnDocumentLoaded), NULL, this);
 248     Connect(m_browser->GetId(), wxEVT_COMMAND_WEB_VIEW_ERROR,
 249             wxWebNavigationEventHandler(WebFrame::OnError), NULL, this);
 250     Connect(m_browser->GetId(), wxEVT_COMMAND_WEB_VIEW_NEWWINDOW,
 251             wxWebNavigationEventHandler(WebFrame::OnNewWindow), NULL, this);
 252
 253     // Connect the menu events
 254     Connect(viewSource->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 255            wxCommandEventHandler(WebFrame::OnViewSourceRequest),  NULL, this );
 256     Connect(print->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 257             wxCommandEventHandler(WebFrame::OnPrint),  NULL, this );
 258     Connect(m_tools_tiny->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 259             wxCommandEventHandler(WebFrame::OnSetZoom),  NULL, this );
 260     Connect(m_tools_small->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 261             wxCommandEventHandler(WebFrame::OnSetZoom),  NULL, this );
 262     Connect(m_tools_medium->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 263             wxCommandEventHandler(WebFrame::OnSetZoom),  NULL, this );
 264     Connect(m_tools_large->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 265             wxCommandEventHandler(WebFrame::OnSetZoom),  NULL, this );
 266     Connect(m_tools_largest->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 267             wxCommandEventHandler(WebFrame::OnSetZoom),  NULL, this );
 268     Connect(clearhist->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 269             wxCommandEventHandler(WebFrame::OnClearHistory),  NULL, this );
 270     Connect(m_tools_enable_history->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 271             wxCommandEventHandler(WebFrame::OnEnableHistory),  NULL, this );
 272     Connect(m_edit_cut->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 273             wxCommandEventHandler(WebFrame::OnCut),  NULL, this );
 274     Connect(m_edit_copy->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 275             wxCommandEventHandler(WebFrame::OnCopy),  NULL, this );
 276     Connect(m_edit_paste->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 277             wxCommandEventHandler(WebFrame::OnPaste),  NULL, this );
 278     Connect(m_edit_undo->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 279             wxCommandEventHandler(WebFrame::OnUndo),  NULL, this );
 280     Connect(m_edit_redo->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 281             wxCommandEventHandler(WebFrame::OnRedo),  NULL, this );
 282 }
 283
 284 void WebFrame::OnAnimationTimer(wxTimerEvent& evt)
 285 {
 286     m_animation_angle += 15;
 287     if (m_animation_angle > 360) m_animation_angle -= 360;
 288
 289     wxBitmap image(24, 24);
 290     {
 291         wxMemoryDC dc;
 292         dc.SelectObject(image);
 293         dc.SetBackground(wxBrush(wxColour(255,0,255)));
 294         dc.Clear();
 295
 296         if (m_animation_angle >= 0 && m_animation_angle <= 180)
 297         {
 298             dc.SetBrush(*wxYELLOW_BRUSH);
 299             dc.SetPen(*wxYELLOW_PEN);
 300             dc.DrawCircle(16 - int(sin(m_animation_angle*0.01745f /* convert to radians */)*14.0f),
 301             16 + int(cos(m_animation_angle*0.01745f /* convert to radians */)*14.0f), 3 );
 302         }
 303
 304         dc.DrawBitmap(wxBitmap(wxlogo_xpm), 0, 0, true);
 305
 306         if (m_animation_angle > 180)
 307         {
 308             dc.SetBrush(*wxYELLOW_BRUSH);
 309             dc.SetPen(*wxYELLOW_PEN);
 310             dc.DrawCircle(16 - int(sin(m_animation_angle*0.01745f /* convert to radians */)*14.0f),
 311             16 + int(cos(m_animation_angle*0.01745f /* convert to radians */)*14.0f), 3 );
 312         }
 313     }
 314     image.SetMask(new wxMask(image, wxColour(255,0,255)));
 315     m_toolbar->SetToolNormalBitmap(m_toolbar_tools->GetId(), image);
 316 }
 317
 318 /**
 319   * Method that retrieves the current state from the web control and updates the GUI
 320   * the reflect this current state.
 321   */
 322 void WebFrame::UpdateState()
 323 {
 324     m_toolbar->EnableTool( m_toolbar_back->GetId(), m_browser->CanGoBack() );
 325     m_toolbar->EnableTool( m_toolbar_forward->GetId(), m_browser->CanGoForward() );
 326
 327     if (m_browser->IsBusy())
 328     {
 329         if (m_timer == NULL)
 330         {
 331             m_timer = new wxTimer(this);
 332             this->Connect(wxEVT_TIMER, wxTimerEventHandler(WebFrame::OnAnimationTimer), NULL, this);
 333         }
 334         m_timer->Start(100); // start animation timer
 335
 336         m_toolbar->EnableTool( m_toolbar_stop->GetId(), true );
 337     }
 338     else
 339     {
 340         if (m_timer != NULL) m_timer->Stop(); // stop animation timer
 341         m_toolbar->SetToolNormalBitmap(m_toolbar_tools->GetId(), wxBitmap(wxlogo_xpm));
 342         m_toolbar->EnableTool( m_toolbar_stop->GetId(), false );
 343     }
 344
 345     SetTitle( m_browser->GetCurrentTitle() );
 346     m_url->SetValue( m_browser->GetCurrentURL() );
 347 }
 348
 349 /**
 350   * Callback invoked when user entered an URL and pressed enter
 351   */
 352 void WebFrame::OnUrl(wxCommandEvent& evt)
 353 {
 354     m_browser->LoadUrl( m_url->GetValue() );
 355     UpdateState();
 356 }
 357
 358 /**
 359     * Callback invoked when user pressed the "back" button
 360     */
 361 void WebFrame::OnBack(wxCommandEvent& evt)
 362 {
 363     m_browser->GoBack();
 364     UpdateState();
 365 }
 366
 367 /**
 368   * Callback invoked when user pressed the "forward" button
 369   */
 370 void WebFrame::OnForward(wxCommandEvent& evt)
 371 {
 372     m_browser->GoForward();
 373     UpdateState();
 374 }
 375
 376 /**
 377   * Callback invoked when user pressed the "stop" button
 378   */
 379 void WebFrame::OnStop(wxCommandEvent& evt)
 380 {
 381     m_browser->Stop();
 382     UpdateState();
 383 }
 384
 385 /**
 386   * Callback invoked when user pressed the "reload" button
 387   */
 388 void WebFrame::OnReload(wxCommandEvent& evt)
 389 {
 390     m_browser->Reload();
 391     UpdateState();
 392 }
 393
 394 void WebFrame::OnClearHistory(wxCommandEvent& evt)
 395 {
 396     m_browser->ClearHistory();
 397     UpdateState();
 398 }
 399
 400 void WebFrame::OnEnableHistory(wxCommandEvent& evt)
 401 {
 402     m_browser->EnableHistory(m_tools_enable_history->IsChecked());
 403     UpdateState();
 404 }
 405
 406 void WebFrame::OnCut(wxCommandEvent& evt)
 407 {
 408     m_browser->Cut();
 409 }
 410
 411 void WebFrame::OnCopy(wxCommandEvent& evt)
 412 {
 413     m_browser->Copy();
 414 }
 415
 416 void WebFrame::OnPaste(wxCommandEvent& evt)
 417 {
 418     m_browser->Paste();
 419 }
 420
 421 void WebFrame::OnUndo(wxCommandEvent& evt)
 422 {
 423     m_browser->Undo();
 424 }
 425
 426 void WebFrame::OnRedo(wxCommandEvent& evt)
 427 {
 428     m_browser->Redo();
 429 }
 430
 431 /**
 432   * Callback invoked when there is a request to load a new page (for instance
 433   * when the user clicks a link)
 434   */
 435 void WebFrame::OnNavigationRequest(wxWebNavigationEvent& evt)
 436 {
 437     wxLogMessage("%s", "Navigation request to '" + evt.GetHref() + "' (target='" +
 438     evt.GetTarget() + "')");
 439
 440     wxASSERT(m_browser->IsBusy());
 441
 442     //If we don't want to handle navigation then veto the event and navigation
 443     //will not take place
 444     if(!m_tools_handle_navigation->IsChecked())
 445         evt.Veto();
 446
 447     UpdateState();
 448 }
 449
 450 /**
 451   * Callback invoked when a navigation request was accepted
 452   */
 453 void WebFrame::OnNavigationComplete(wxWebNavigationEvent& evt)
 454 {
 455     wxLogMessage("%s", "Navigation complete; url='" + evt.GetHref() + "'");
 456     UpdateState();
 457 }
 458
 459 /**
 460   * Callback invoked when a page is finished loading
 461   */
 462 void WebFrame::OnDocumentLoaded(wxWebNavigationEvent& evt)
 463 {
 464     wxLogMessage("%s", "Document loaded; url='" + evt.GetHref() + "'");
 465     UpdateState();
 466 }
 467
 468 /**
 469   * On new window, we veto to stop extra windows appearing
 470   */
 471 void WebFrame::OnNewWindow(wxWebNavigationEvent& evt)
 472 {
 473     wxLogMessage("%s", "New window; url='" + evt.GetHref() + "'");
 474
 475     //If we handle new window events then just load them in this window as we
 476     //are a single window browser
 477     if(m_tools_handle_new_window->IsChecked())
 478         m_browser->LoadUrl(evt.GetHref());
 479
 480     //We always veto because we handle the event, otherwise under windows a new
 481     //internet explorer windowis created
 482     evt.Veto();
 483
 484     UpdateState();
 485 }
 486
 487 /**
 488   * Invoked when user selects the "View Source" menu item
 489   */
 490 void WebFrame::OnViewSourceRequest(wxCommandEvent& evt)
 491 {
 492     SourceViewDialog dlg(this, m_browser->GetPageSource());
 493     dlg.ShowModal();
 494 }
 495
 496 /**
 497   * Invoked when user selects the "Menu" item
 498   */
 499 void WebFrame::OnToolsClicked(wxCommandEvent& evt)
 500 {
 501     if(m_browser->GetCurrentURL() == "")
 502         return;
 503
 504     m_tools_tiny->Check(false);
 505     m_tools_small->Check(false);
 506     m_tools_medium->Check(false);
 507     m_tools_large->Check(false);
 508     m_tools_largest->Check(false);
 509
 510     wxWebViewZoom zoom = m_browser->GetZoom();
 511     switch (zoom)
 512     {
 513     case wxWEB_VIEW_ZOOM_TINY:
 514         m_tools_tiny->Check();
 515         break;
 516     case wxWEB_VIEW_ZOOM_SMALL:
 517         m_tools_small->Check();
 518         break;
 519     case wxWEB_VIEW_ZOOM_MEDIUM:
 520         m_tools_medium->Check();
 521         break;
 522     case wxWEB_VIEW_ZOOM_LARGE:
 523         m_tools_large->Check();
 524         break;
 525     case wxWEB_VIEW_ZOOM_LARGEST:
 526         m_tools_largest->Check();
 527         break;
 528     }
 529
 530     m_edit_cut->Enable(m_browser->CanCut());
 531     m_edit_copy->Enable(m_browser->CanCopy());
 532     m_edit_paste->Enable(m_browser->CanPaste());
 533
 534     m_edit_undo->Enable(m_browser->CanUndo());
 535     m_edit_redo->Enable(m_browser->CanRedo());
 536
 537     wxPoint position = ScreenToClient( wxGetMousePosition() );
 538     PopupMenu(m_tools_menu, position.x, position.y);
 539 }
 540
 541 /**
 542   * Invoked when user selects the zoom size in the menu
 543   */
 544 void WebFrame::OnSetZoom(wxCommandEvent& evt)
 545 {
 546     if (evt.GetId() == m_tools_tiny->GetId())
 547     {
 548         m_browser->SetZoom(wxWEB_VIEW_ZOOM_TINY);
 549     }
 550     else if (evt.GetId() == m_tools_small->GetId())
 551     {
 552         m_browser->SetZoom(wxWEB_VIEW_ZOOM_SMALL);
 553     }
 554     else if (evt.GetId() == m_tools_medium->GetId())
 555     {
 556         m_browser->SetZoom(wxWEB_VIEW_ZOOM_MEDIUM);
 557     }
 558     else if (evt.GetId() == m_tools_large->GetId())
 559     {
 560         m_browser->SetZoom(wxWEB_VIEW_ZOOM_LARGE);
 561     }
 562     else if (evt.GetId() == m_tools_largest->GetId())
 563     {
 564         m_browser->SetZoom(wxWEB_VIEW_ZOOM_LARGEST);
 565     }
 566     else
 567     {
 568         wxFAIL;
 569     }
 570 }
 571
 572 /**
 573   * Callback invoked when a loading error occurs
 574   */
 575 void WebFrame::OnError(wxWebNavigationEvent& evt)
 576 {
 577     wxString errorCategory;
 578     switch (evt.GetInt())
 579     {
 580     case  wxWEB_NAV_ERR_CONNECTION:
 581         errorCategory = "wxWEB_NAV_ERR_CONNECTION";
 582         break;
 583
 584     case wxWEB_NAV_ERR_CERTIFICATE:
 585         errorCategory = "wxWEB_NAV_ERR_CERTIFICATE";
 586         break;
 587
 588     case wxWEB_NAV_ERR_AUTH:
 589         errorCategory = "wxWEB_NAV_ERR_AUTH";
 590         break;
 591
 592     case wxWEB_NAV_ERR_SECURITY:
 593         errorCategory = "wxWEB_NAV_ERR_SECURITY";
 594         break;
 595
 596     case wxWEB_NAV_ERR_NOT_FOUND:
 597         errorCategory = "wxWEB_NAV_ERR_NOT_FOUND";
 598         break;
 599
 600     case wxWEB_NAV_ERR_REQUEST:
 601         errorCategory = "wxWEB_NAV_ERR_REQUEST";
 602         break;
 603
 604     case wxWEB_NAV_ERR_USER_CANCELLED:
 605         errorCategory = "wxWEB_NAV_ERR_USER_CANCELLED";
 606         break;
 607
 608     case wxWEB_NAV_ERR_OTHER:
 609         errorCategory = "wxWEB_NAV_ERR_OTHER";
 610         break;
 611     }
 612
 613     wxLogMessage("Error; url='" + evt.GetHref() + "', error='" + errorCategory + "' (" + evt.GetString() + ")");
 614
 615     //Show the info bar with an error
 616     m_info->ShowMessage(_("An error occurred loading ") + evt.GetHref() + "\n" +
 617     "'" + errorCategory + "' (" + evt.GetString() + ")", wxICON_ERROR);
 618
 619     UpdateState();
 620 }
 621
 622 /**
 623   * Invoked when user selects "Print" from the menu
 624   */
 625 void WebFrame::OnPrint(wxCommandEvent& evt)
 626 {
 627     m_browser->Print();
 628 }
 629
 630 SourceViewDialog::SourceViewDialog(wxWindow* parent, wxString source) :
 631                   wxDialog(parent, wxID_ANY, "Source Code",
 632                            wxDefaultPosition, wxSize(700,500),
 633                            wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
 634 {
 635     wxStyledTextCtrl* text = new wxStyledTextCtrl(this, wxID_ANY);
 636     text->SetMarginWidth(1, 30);
 637     text->SetMarginType(1, wxSTC_MARGIN_NUMBER);
 638     text->SetText(source);
 639
 640     text->StyleClearAll();
 641     text->SetLexer(wxSTC_LEX_HTML);
 642     text->StyleSetForeground(wxSTC_H_DOUBLESTRING, wxColour(255,0,0));
 643     text->StyleSetForeground(wxSTC_H_SINGLESTRING, wxColour(255,0,0));
 644     text->StyleSetForeground(wxSTC_H_ENTITY, wxColour(255,0,0));
 645     text->StyleSetForeground(wxSTC_H_TAG, wxColour(0,150,0));
 646     text->StyleSetForeground(wxSTC_H_TAGUNKNOWN, wxColour(0,150,0));
 647     text->StyleSetForeground(wxSTC_H_ATTRIBUTE, wxColour(0,0,150));
 648     text->StyleSetForeground(wxSTC_H_ATTRIBUTEUNKNOWN, wxColour(0,0,150));
 649     text->StyleSetForeground(wxSTC_H_COMMENT, wxColour(150,150,150));
 650
 651     wxBoxSizer* sizer = new wxBoxSizer(wxVERTICAL);
 652     sizer->Add(text, 1, wxEXPAND);
 653     SetSizer(sizer);
 654 }