samples/webview/webview.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        webview.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 #if !wxUSE_WEBVIEW_WEBKIT && !wxUSE_WEBVIEW_IE
  26 #error "A wxWebView backend is required by this sample"
  27 #endif
  28
  29 #include "wx/artprov.h"
  30 #include "wx/notifmsg.h"
  31 #include "wx/settings.h"
  32 #include "wx/webview.h"
  33 #include "wx/webviewarchivehandler.h"
  34 #include "wx/infobar.h"
  35 #include "wx/filesys.h"
  36 #include "wx/fs_arc.h"
  37
  38 #if !defined(__WXMSW__) && !defined(__WXPM__)
  39     #include "../sample.xpm"
  40 #endif
  41
  42 #if wxUSE_STC
  43 #include "wx/stc/stc.h"
  44 #else
  45 #error "wxStyledTextControl is needed by this sample"
  46 #endif
  47
  48 #if defined(__WXMSW__) || defined(__WXOSX__)
  49 #include "stop.xpm"
  50 #include "refresh.xpm"
  51 #endif
  52
  53 #include "wxlogo.xpm"
  54
  55
  56 //We map menu items to their history items
  57 WX_DECLARE_HASH_MAP(int, wxSharedPtr<wxWebViewHistoryItem>,
  58                     wxIntegerHash, wxIntegerEqual, wxMenuHistoryMap);
  59
  60 class WebApp : public wxApp
  61 {
  62 public:
  63     virtual bool OnInit();
  64 };
  65
  66 class WebFrame : public wxFrame
  67 {
  68 public:
  69     WebFrame();
  70     ~WebFrame();
  71
  72     void OnAnimationTimer(wxTimerEvent& evt);
  73     void UpdateState();
  74     void OnUrl(wxCommandEvent& evt);
  75     void OnBack(wxCommandEvent& evt);
  76     void OnForward(wxCommandEvent& evt);
  77     void OnStop(wxCommandEvent& evt);
  78     void OnReload(wxCommandEvent& evt);
  79     void OnClearHistory(wxCommandEvent& evt);
  80     void OnEnableHistory(wxCommandEvent& evt);
  81     void OnNavigationRequest(wxWebViewEvent& evt);
  82     void OnNavigationComplete(wxWebViewEvent& evt);
  83     void OnDocumentLoaded(wxWebViewEvent& evt);
  84     void OnNewWindow(wxWebViewEvent& evt);
  85     void OnTitleChanged(wxWebViewEvent& evt);
  86     void OnViewSourceRequest(wxCommandEvent& evt);
  87     void OnToolsClicked(wxCommandEvent& evt);
  88     void OnSetZoom(wxCommandEvent& evt);
  89     void OnError(wxWebViewEvent& evt);
  90     void OnPrint(wxCommandEvent& evt);
  91     void OnCut(wxCommandEvent& evt);
  92     void OnCopy(wxCommandEvent& evt);
  93     void OnPaste(wxCommandEvent& evt);
  94     void OnUndo(wxCommandEvent& evt);
  95     void OnRedo(wxCommandEvent& evt);
  96     void OnMode(wxCommandEvent& evt);
  97     void OnZoomLayout(wxCommandEvent& evt);
  98     void OnHistory(wxCommandEvent& evt);
  99     void OnRunScript(wxCommandEvent& evt);
 100     void OnClearSelection(wxCommandEvent& evt);
 101     void OnDeleteSelection(wxCommandEvent& evt);
 102     void OnSelectAll(wxCommandEvent& evt);
 103     void OnLoadScheme(wxCommandEvent& evt);
 104
 105 private:
 106     wxTextCtrl* m_url;
 107     wxWebView* m_browser;
 108
 109     wxToolBar* m_toolbar;
 110     wxToolBarToolBase* m_toolbar_back;
 111     wxToolBarToolBase* m_toolbar_forward;
 112     wxToolBarToolBase* m_toolbar_stop;
 113     wxToolBarToolBase* m_toolbar_reload;
 114     wxToolBarToolBase* m_toolbar_tools;
 115
 116     wxMenu* m_tools_menu;
 117     wxMenu* m_tools_history_menu;
 118     wxMenuItem* m_tools_layout;
 119     wxMenuItem* m_tools_tiny;
 120     wxMenuItem* m_tools_small;
 121     wxMenuItem* m_tools_medium;
 122     wxMenuItem* m_tools_large;
 123     wxMenuItem* m_tools_largest;
 124     wxMenuItem* m_tools_handle_navigation;
 125     wxMenuItem* m_tools_handle_new_window;
 126     wxMenuItem* m_tools_enable_history;
 127     wxMenuItem* m_edit_cut;
 128     wxMenuItem* m_edit_copy;
 129     wxMenuItem* m_edit_paste;
 130     wxMenuItem* m_edit_undo;
 131     wxMenuItem* m_edit_redo;
 132     wxMenuItem* m_edit_mode;
 133     wxMenuItem* m_selection_clear;
 134     wxMenuItem* m_selection_delete;
 135
 136     wxTimer* m_timer;
 137     int m_animation_angle;
 138
 139     wxInfoBar *m_info;
 140     wxStaticText* m_info_text;
 141
 142     wxMenuHistoryMap m_histMenuItems;
 143 };
 144
 145 class SourceViewDialog : public wxDialog
 146 {
 147 public:
 148     SourceViewDialog(wxWindow* parent, wxString source);
 149 };
 150
 151 IMPLEMENT_APP(WebApp)
 152
 153 // ============================================================================
 154 // implementation
 155 // ============================================================================
 156
 157 bool WebApp::OnInit()
 158 {
 159     if ( !wxApp::OnInit() )
 160         return false;
 161
 162     WebFrame *frame = new WebFrame();
 163     frame->Show();
 164
 165     return true;
 166 }
 167
 168 WebFrame::WebFrame() : wxFrame(NULL, wxID_ANY, "wxWebView Sample")
 169 {
 170     //Required from virtual file system archive support
 171     wxFileSystem::AddHandler(new wxArchiveFSHandler);
 172
 173     // set the frame icon
 174     SetIcon(wxICON(sample));
 175     SetTitle("wxWebView Sample");
 176
 177     m_timer = NULL;
 178     m_animation_angle = 0;
 179
 180
 181     wxBoxSizer* topsizer = new wxBoxSizer(wxVERTICAL);
 182
 183     // Create the toolbar
 184     m_toolbar = CreateToolBar(wxTB_TEXT);
 185     m_toolbar->SetToolBitmapSize(wxSize(32, 32));
 186
 187     wxBitmap back = wxArtProvider::GetBitmap(wxART_GO_BACK , wxART_TOOLBAR);
 188     wxBitmap forward = wxArtProvider::GetBitmap(wxART_GO_FORWARD , wxART_TOOLBAR);
 189     #ifdef __WXGTK__
 190         wxBitmap stop = wxArtProvider::GetBitmap("gtk-stop", wxART_TOOLBAR);
 191     #else
 192         wxBitmap stop = wxBitmap(stop_xpm);
 193     #endif
 194     #ifdef __WXGTK__
 195         wxBitmap refresh = wxArtProvider::GetBitmap("gtk-refresh", wxART_TOOLBAR);
 196     #else
 197         wxBitmap refresh = wxBitmap(refresh_xpm);
 198     #endif
 199
 200     m_toolbar_back = m_toolbar->AddTool(wxID_ANY, _("Back"), back);
 201     m_toolbar_forward = m_toolbar->AddTool(wxID_ANY, _("Forward"), forward);
 202     m_toolbar_stop = m_toolbar->AddTool(wxID_ANY, _("Stop"), stop);
 203     m_toolbar_reload = m_toolbar->AddTool(wxID_ANY, _("Reload"),  refresh);
 204     m_url = new wxTextCtrl(m_toolbar, wxID_ANY, wxT(""),  wxDefaultPosition, wxSize(400, -1), wxTE_PROCESS_ENTER );
 205     m_toolbar->AddControl(m_url, _("URL"));
 206     m_toolbar_tools = m_toolbar->AddTool(wxID_ANY, _("Menu"), wxBitmap(wxlogo_xpm));
 207
 208     m_toolbar->Realize();
 209
 210     // Create the info panel
 211     m_info = new wxInfoBar(this);
 212     topsizer->Add(m_info, wxSizerFlags().Expand());
 213
 214     // Create the webview
 215     m_browser = wxWebView::New(this, wxID_ANY, "http://www.wxwidgets.org");
 216     topsizer->Add(m_browser, wxSizerFlags().Expand().Proportion(1));
 217
 218     //We register the wxfs:// protocol for testing purposes
 219     m_browser->RegisterHandler(wxSharedPtr<wxWebViewHandler>(new wxWebViewArchiveHandler("wxfs")));
 220
 221     SetSizer(topsizer);
 222
 223     //Set a more sensible size for web browsing
 224     SetSize(wxSize(800, 600));
 225
 226     // Create a log window
 227     new wxLogWindow(this, _("Logging"));
 228
 229     // Create the Tools menu
 230     m_tools_menu = new wxMenu();
 231     wxMenuItem* print = m_tools_menu->Append(wxID_ANY , _("Print"));
 232     wxMenuItem* viewSource = m_tools_menu->Append(wxID_ANY , _("View Source"));
 233     m_tools_menu->AppendSeparator();
 234     m_tools_layout = m_tools_menu->AppendCheckItem(wxID_ANY, _("Use Layout Zoom"));
 235     m_tools_tiny = m_tools_menu->AppendCheckItem(wxID_ANY, _("Tiny"));
 236     m_tools_small = m_tools_menu->AppendCheckItem(wxID_ANY, _("Small"));
 237     m_tools_medium = m_tools_menu->AppendCheckItem(wxID_ANY, _("Medium"));
 238     m_tools_large = m_tools_menu->AppendCheckItem(wxID_ANY, _("Large"));
 239     m_tools_largest = m_tools_menu->AppendCheckItem(wxID_ANY, _("Largest"));
 240     m_tools_menu->AppendSeparator();
 241     m_tools_handle_navigation = m_tools_menu->AppendCheckItem(wxID_ANY, _("Handle Navigation"));
 242     m_tools_handle_new_window = m_tools_menu->AppendCheckItem(wxID_ANY, _("Handle New Windows"));
 243     m_tools_menu->AppendSeparator();
 244
 245     //History menu
 246     m_tools_history_menu = new wxMenu();
 247     wxMenuItem* clearhist =  m_tools_history_menu->Append(wxID_ANY, _("Clear History"));
 248     m_tools_enable_history = m_tools_history_menu->AppendCheckItem(wxID_ANY, _("Enable History"));
 249     m_tools_history_menu->AppendSeparator();
 250
 251     m_tools_menu->AppendSubMenu(m_tools_history_menu, "History");
 252
 253     //Create an editing menu
 254     wxMenu* editmenu = new wxMenu();
 255     m_edit_cut = editmenu->Append(wxID_ANY, _("Cut"));
 256     m_edit_copy = editmenu->Append(wxID_ANY, _("Copy"));
 257     m_edit_paste = editmenu->Append(wxID_ANY, _("Paste"));
 258     editmenu->AppendSeparator();
 259     m_edit_undo = editmenu->Append(wxID_ANY, _("Undo"));
 260     m_edit_redo = editmenu->Append(wxID_ANY, _("Redo"));
 261     editmenu->AppendSeparator();
 262     m_edit_mode = editmenu->AppendCheckItem(wxID_ANY, _("Edit Mode"));
 263
 264     m_tools_menu->AppendSeparator();
 265     m_tools_menu->AppendSubMenu(editmenu, "Edit");
 266
 267     wxMenuItem* script =  m_tools_menu->Append(wxID_ANY, _("Run Script"));
 268
 269     //Selection menu
 270     wxMenu* selection = new wxMenu();
 271     m_selection_clear = selection->Append(wxID_ANY, _("Clear Selection"));
 272     m_selection_delete = selection->Append(wxID_ANY, _("Delete Selection"));
 273     wxMenuItem* selectall = selection->Append(wxID_ANY, _("Select All"));
 274
 275     editmenu->AppendSubMenu(selection, "Selection");
 276
 277     wxMenuItem* loadscheme =  m_tools_menu->Append(wxID_ANY, _("Custom Scheme Example"));
 278
 279     //By default we want to handle navigation and new windows
 280     m_tools_handle_navigation->Check();
 281     m_tools_handle_new_window->Check();
 282     m_tools_enable_history->Check();
 283     if(!m_browser->CanSetZoomType(wxWEB_VIEW_ZOOM_TYPE_LAYOUT))
 284         m_tools_layout->Enable(false);
 285
 286
 287     // Connect the toolbar events
 288     Connect(m_toolbar_back->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
 289             wxCommandEventHandler(WebFrame::OnBack), NULL, this );
 290     Connect(m_toolbar_forward->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
 291             wxCommandEventHandler(WebFrame::OnForward), NULL, this );
 292     Connect(m_toolbar_stop->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
 293             wxCommandEventHandler(WebFrame::OnStop), NULL, this );
 294     Connect(m_toolbar_reload->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
 295             wxCommandEventHandler(WebFrame::OnReload),NULL, this );
 296     Connect(m_toolbar_tools->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
 297             wxCommandEventHandler(WebFrame::OnToolsClicked), NULL, this );
 298
 299     Connect(m_url->GetId(), wxEVT_COMMAND_TEXT_ENTER,
 300             wxCommandEventHandler(WebFrame::OnUrl), NULL, this );
 301
 302     // Connect the webview events
 303     Connect(m_browser->GetId(), wxEVT_COMMAND_WEB_VIEW_NAVIGATING,
 304             wxWebViewEventHandler(WebFrame::OnNavigationRequest), NULL, this);
 305     Connect(m_browser->GetId(), wxEVT_COMMAND_WEB_VIEW_NAVIGATED,
 306             wxWebViewEventHandler(WebFrame::OnNavigationComplete), NULL, this);
 307     Connect(m_browser->GetId(), wxEVT_COMMAND_WEB_VIEW_LOADED,
 308             wxWebViewEventHandler(WebFrame::OnDocumentLoaded), NULL, this);
 309     Connect(m_browser->GetId(), wxEVT_COMMAND_WEB_VIEW_ERROR,
 310             wxWebViewEventHandler(WebFrame::OnError), NULL, this);
 311     Connect(m_browser->GetId(), wxEVT_COMMAND_WEB_VIEW_NEWWINDOW,
 312             wxWebViewEventHandler(WebFrame::OnNewWindow), NULL, this);
 313     Connect(m_browser->GetId(), wxEVT_COMMAND_WEB_VIEW_TITLE_CHANGED,
 314             wxWebViewEventHandler(WebFrame::OnTitleChanged), NULL, this);
 315
 316     // Connect the menu events
 317     Connect(viewSource->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 318            wxCommandEventHandler(WebFrame::OnViewSourceRequest),  NULL, this );
 319     Connect(print->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 320             wxCommandEventHandler(WebFrame::OnPrint),  NULL, this );
 321     Connect(m_tools_layout->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 322             wxCommandEventHandler(WebFrame::OnZoomLayout),  NULL, this );
 323     Connect(m_tools_tiny->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 324             wxCommandEventHandler(WebFrame::OnSetZoom),  NULL, this );
 325     Connect(m_tools_small->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 326             wxCommandEventHandler(WebFrame::OnSetZoom),  NULL, this );
 327     Connect(m_tools_medium->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 328             wxCommandEventHandler(WebFrame::OnSetZoom),  NULL, this );
 329     Connect(m_tools_large->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 330             wxCommandEventHandler(WebFrame::OnSetZoom),  NULL, this );
 331     Connect(m_tools_largest->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 332             wxCommandEventHandler(WebFrame::OnSetZoom),  NULL, this );
 333     Connect(clearhist->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 334             wxCommandEventHandler(WebFrame::OnClearHistory),  NULL, this );
 335     Connect(m_tools_enable_history->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 336             wxCommandEventHandler(WebFrame::OnEnableHistory),  NULL, this );
 337     Connect(m_edit_cut->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 338             wxCommandEventHandler(WebFrame::OnCut),  NULL, this );
 339     Connect(m_edit_copy->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 340             wxCommandEventHandler(WebFrame::OnCopy),  NULL, this );
 341     Connect(m_edit_paste->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 342             wxCommandEventHandler(WebFrame::OnPaste),  NULL, this );
 343     Connect(m_edit_undo->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 344             wxCommandEventHandler(WebFrame::OnUndo),  NULL, this );
 345     Connect(m_edit_redo->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 346             wxCommandEventHandler(WebFrame::OnRedo),  NULL, this );
 347     Connect(m_edit_mode->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 348             wxCommandEventHandler(WebFrame::OnMode),  NULL, this );
 349     Connect(script->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 350             wxCommandEventHandler(WebFrame::OnRunScript),  NULL, this );
 351     Connect(m_selection_clear->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 352             wxCommandEventHandler(WebFrame::OnClearSelection),  NULL, this );
 353     Connect(m_selection_delete->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 354             wxCommandEventHandler(WebFrame::OnDeleteSelection),  NULL, this );
 355     Connect(selectall->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 356             wxCommandEventHandler(WebFrame::OnSelectAll),  NULL, this );
 357     Connect(loadscheme->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 358             wxCommandEventHandler(WebFrame::OnLoadScheme),  NULL, this );
 359 }
 360
 361 WebFrame::~WebFrame()
 362 {
 363     delete m_timer;
 364     delete m_tools_menu;
 365 }
 366
 367 void WebFrame::OnAnimationTimer(wxTimerEvent& WXUNUSED(evt))
 368 {
 369     m_animation_angle += 15;
 370     if (m_animation_angle > 360) m_animation_angle -= 360;
 371
 372     wxBitmap image(24, 24);
 373     {
 374         wxMemoryDC dc;
 375         dc.SelectObject(image);
 376         dc.SetBackground(wxBrush(wxColour(255,0,255)));
 377         dc.Clear();
 378
 379         if (m_animation_angle >= 0 && m_animation_angle <= 180)
 380         {
 381             dc.SetBrush(*wxYELLOW_BRUSH);
 382             dc.SetPen(*wxYELLOW_PEN);
 383             dc.DrawCircle(16 - int(sin(m_animation_angle*0.01745f /* convert to radians */)*14.0f),
 384             16 + int(cos(m_animation_angle*0.01745f /* convert to radians */)*14.0f), 3 );
 385         }
 386
 387         dc.DrawBitmap(wxBitmap(wxlogo_xpm), 0, 0, true);
 388
 389         if (m_animation_angle > 180)
 390         {
 391             dc.SetBrush(*wxYELLOW_BRUSH);
 392             dc.SetPen(*wxYELLOW_PEN);
 393             dc.DrawCircle(16 - int(sin(m_animation_angle*0.01745f /* convert to radians */)*14.0f),
 394             16 + int(cos(m_animation_angle*0.01745f /* convert to radians */)*14.0f), 3 );
 395         }
 396     }
 397     image.SetMask(new wxMask(image, wxColour(255,0,255)));
 398     m_toolbar->SetToolNormalBitmap(m_toolbar_tools->GetId(), image);
 399 }
 400
 401 /**
 402   * Method that retrieves the current state from the web control and updates the GUI
 403   * the reflect this current state.
 404   */
 405 void WebFrame::UpdateState()
 406 {
 407     m_toolbar->EnableTool( m_toolbar_back->GetId(), m_browser->CanGoBack() );
 408     m_toolbar->EnableTool( m_toolbar_forward->GetId(), m_browser->CanGoForward() );
 409
 410     if (m_browser->IsBusy())
 411     {
 412         if (m_timer == NULL)
 413         {
 414             m_timer = new wxTimer(this);
 415             this->Connect(wxEVT_TIMER, wxTimerEventHandler(WebFrame::OnAnimationTimer), NULL, this);
 416         }
 417         m_timer->Start(100); // start animation timer
 418
 419         m_toolbar->EnableTool( m_toolbar_stop->GetId(), true );
 420     }
 421     else
 422     {
 423         if (m_timer != NULL) m_timer->Stop(); // stop animation timer
 424         m_toolbar->SetToolNormalBitmap(m_toolbar_tools->GetId(), wxBitmap(wxlogo_xpm));
 425         m_toolbar->EnableTool( m_toolbar_stop->GetId(), false );
 426     }
 427
 428     SetTitle( m_browser->GetCurrentTitle() );
 429     m_url->SetValue( m_browser->GetCurrentURL() );
 430 }
 431
 432 /**
 433   * Callback invoked when user entered an URL and pressed enter
 434   */
 435 void WebFrame::OnUrl(wxCommandEvent& WXUNUSED(evt))
 436 {
 437     m_browser->LoadURL( m_url->GetValue() );
 438     UpdateState();
 439 }
 440
 441 /**
 442     * Callback invoked when user pressed the "back" button
 443     */
 444 void WebFrame::OnBack(wxCommandEvent& WXUNUSED(evt))
 445 {
 446     m_browser->GoBack();
 447     UpdateState();
 448 }
 449
 450 /**
 451   * Callback invoked when user pressed the "forward" button
 452   */
 453 void WebFrame::OnForward(wxCommandEvent& WXUNUSED(evt))
 454 {
 455     m_browser->GoForward();
 456     UpdateState();
 457 }
 458
 459 /**
 460   * Callback invoked when user pressed the "stop" button
 461   */
 462 void WebFrame::OnStop(wxCommandEvent& WXUNUSED(evt))
 463 {
 464     m_browser->Stop();
 465     UpdateState();
 466 }
 467
 468 /**
 469   * Callback invoked when user pressed the "reload" button
 470   */
 471 void WebFrame::OnReload(wxCommandEvent& WXUNUSED(evt))
 472 {
 473     m_browser->Reload();
 474     UpdateState();
 475 }
 476
 477 void WebFrame::OnClearHistory(wxCommandEvent& WXUNUSED(evt))
 478 {
 479     m_browser->ClearHistory();
 480     UpdateState();
 481 }
 482
 483 void WebFrame::OnEnableHistory(wxCommandEvent& WXUNUSED(evt))
 484 {
 485     m_browser->EnableHistory(m_tools_enable_history->IsChecked());
 486     UpdateState();
 487 }
 488
 489 void WebFrame::OnCut(wxCommandEvent& WXUNUSED(evt))
 490 {
 491     m_browser->Cut();
 492 }
 493
 494 void WebFrame::OnCopy(wxCommandEvent& WXUNUSED(evt))
 495 {
 496     m_browser->Copy();
 497 }
 498
 499 void WebFrame::OnPaste(wxCommandEvent& WXUNUSED(evt))
 500 {
 501     m_browser->Paste();
 502 }
 503
 504 void WebFrame::OnUndo(wxCommandEvent& WXUNUSED(evt))
 505 {
 506     m_browser->Undo();
 507 }
 508
 509 void WebFrame::OnRedo(wxCommandEvent& WXUNUSED(evt))
 510 {
 511     m_browser->Redo();
 512 }
 513
 514 void WebFrame::OnMode(wxCommandEvent& WXUNUSED(evt))
 515 {
 516     m_browser->SetEditable(m_edit_mode->IsChecked());
 517 }
 518
 519 void WebFrame::OnLoadScheme(wxCommandEvent& WXUNUSED(evt))
 520 {
 521     wxFileName helpfile("../help/doc.zip");
 522     helpfile.MakeAbsolute();
 523     wxString path = helpfile.GetFullPath();
 524     //Under MSW we need to flip the slashes
 525     path.Replace("\\", "/");
 526     path = "wxfs:///" + path + ";protocol=zip/doc.htm";
 527     m_browser->LoadURL(path);
 528 }
 529
 530 /**
 531   * Callback invoked when there is a request to load a new page (for instance
 532   * when the user clicks a link)
 533   */
 534 void WebFrame::OnNavigationRequest(wxWebViewEvent& evt)
 535 {
 536     if(m_info->IsShown())
 537     {
 538         m_info->Dismiss();
 539     }
 540
 541     wxLogMessage("%s", "Navigation request to '" + evt.GetURL() + "' (target='" +
 542     evt.GetTarget() + "')");
 543
 544     wxASSERT(m_browser->IsBusy());
 545
 546     //If we don't want to handle navigation then veto the event and navigation
 547     //will not take place, we also need to stop the loading animation
 548     if(!m_tools_handle_navigation->IsChecked())
 549     {
 550         evt.Veto();
 551         if (m_timer != NULL) m_timer->Stop(); // stop animation timer
 552         m_toolbar->SetToolNormalBitmap(m_toolbar_tools->GetId(), wxBitmap(wxlogo_xpm));
 553         m_toolbar->EnableTool( m_toolbar_stop->GetId(), false );
 554     }
 555     else
 556     {
 557         UpdateState();
 558     }
 559 }
 560
 561 /**
 562   * Callback invoked when a navigation request was accepted
 563   */
 564 void WebFrame::OnNavigationComplete(wxWebViewEvent& evt)
 565 {
 566     wxLogMessage("%s", "Navigation complete; url='" + evt.GetURL() + "'");
 567     UpdateState();
 568 }
 569
 570 /**
 571   * Callback invoked when a page is finished loading
 572   */
 573 void WebFrame::OnDocumentLoaded(wxWebViewEvent& evt)
 574 {
 575     //Only notify if the document is the main frame, not a subframe
 576     if(evt.GetURL() == m_browser->GetCurrentURL())
 577     {
 578         wxLogMessage("%s", "Document loaded; url='" + evt.GetURL() + "'");
 579     }
 580     UpdateState();
 581 }
 582
 583 /**
 584   * On new window, we veto to stop extra windows appearing
 585   */
 586 void WebFrame::OnNewWindow(wxWebViewEvent& evt)
 587 {
 588     wxLogMessage("%s", "New window; url='" + evt.GetURL() + "'");
 589
 590     //If we handle new window events then just load them in this window as we
 591     //are a single window browser
 592     if(m_tools_handle_new_window->IsChecked())
 593         m_browser->LoadURL(evt.GetURL());
 594
 595     UpdateState();
 596 }
 597
 598 void WebFrame::OnTitleChanged(wxWebViewEvent& evt)
 599 {
 600     SetTitle(evt.GetString());
 601     wxLogMessage("%s", "Title changed; title='" + evt.GetString() + "'");
 602 }
 603
 604 /**
 605   * Invoked when user selects the "View Source" menu item
 606   */
 607 void WebFrame::OnViewSourceRequest(wxCommandEvent& WXUNUSED(evt))
 608 {
 609     SourceViewDialog dlg(this, m_browser->GetPageSource());
 610     dlg.ShowModal();
 611 }
 612
 613 /**
 614   * Invoked when user selects the "Menu" item
 615   */
 616 void WebFrame::OnToolsClicked(wxCommandEvent& WXUNUSED(evt))
 617 {
 618     if(m_browser->GetCurrentURL() == "")
 619         return;
 620
 621     m_tools_tiny->Check(false);
 622     m_tools_small->Check(false);
 623     m_tools_medium->Check(false);
 624     m_tools_large->Check(false);
 625     m_tools_largest->Check(false);
 626
 627     wxWebViewZoom zoom = m_browser->GetZoom();
 628     switch (zoom)
 629     {
 630     case wxWEB_VIEW_ZOOM_TINY:
 631         m_tools_tiny->Check();
 632         break;
 633     case wxWEB_VIEW_ZOOM_SMALL:
 634         m_tools_small->Check();
 635         break;
 636     case wxWEB_VIEW_ZOOM_MEDIUM:
 637         m_tools_medium->Check();
 638         break;
 639     case wxWEB_VIEW_ZOOM_LARGE:
 640         m_tools_large->Check();
 641         break;
 642     case wxWEB_VIEW_ZOOM_LARGEST:
 643         m_tools_largest->Check();
 644         break;
 645     }
 646
 647     m_edit_cut->Enable(m_browser->CanCut());
 648     m_edit_copy->Enable(m_browser->CanCopy());
 649     m_edit_paste->Enable(m_browser->CanPaste());
 650
 651     m_edit_undo->Enable(m_browser->CanUndo());
 652     m_edit_redo->Enable(m_browser->CanRedo());
 653
 654     m_selection_clear->Enable(m_browser->HasSelection());
 655     m_selection_delete->Enable(m_browser->HasSelection());
 656
 657     //Firstly we clear the existing menu items, then we add the current ones
 658     wxMenuHistoryMap::const_iterator it;
 659     for( it = m_histMenuItems.begin(); it != m_histMenuItems.end(); ++it )
 660     {
 661         m_tools_history_menu->Destroy(it->first);
 662     }
 663     m_histMenuItems.clear();
 664
 665     wxVector<wxSharedPtr<wxWebViewHistoryItem> > back = m_browser->GetBackwardHistory();
 666     wxVector<wxSharedPtr<wxWebViewHistoryItem> > forward = m_browser->GetForwardHistory();
 667
 668     wxMenuItem* item;
 669
 670     unsigned int i;
 671     for(i = 0; i < back.size(); i++)
 672     {
 673         item = m_tools_history_menu->AppendRadioItem(wxID_ANY, back[i]->GetTitle());
 674         m_histMenuItems[item->GetId()] = back[i];
 675         Connect(item->GetId(), wxEVT_COMMAND_MENU_SELECTED,
 676                 wxCommandEventHandler(WebFrame::OnHistory), NULL, this );
 677     }
 678
 679     item = m_tools_history_menu->AppendRadioItem(wxID_ANY, m_browser->GetCurrentTitle());
 680     item->Check();
 681
 682     //No need to connect the current item
 683     m_histMenuItems[item->GetId()] = wxSharedPtr<wxWebViewHistoryItem>(new wxWebViewHistoryItem(m_browser->GetCurrentURL(), m_browser->GetCurrentTitle()));
 684
 685     for(i = 0; i < forward.size(); i++)
 686     {
 687         item = m_tools_history_menu->AppendRadioItem(wxID_ANY, forward[i]->GetTitle());
 688         m_histMenuItems[item->GetId()] = forward[i];
 689         Connect(item->GetId(), wxEVT_COMMAND_TOOL_CLICKED,
 690                 wxCommandEventHandler(WebFrame::OnHistory), NULL, this );
 691     }
 692
 693     wxPoint position = ScreenToClient( wxGetMousePosition() );
 694     PopupMenu(m_tools_menu, position.x, position.y);
 695 }
 696
 697 /**
 698   * Invoked when user selects the zoom size in the menu
 699   */
 700 void WebFrame::OnSetZoom(wxCommandEvent& evt)
 701 {
 702     if (evt.GetId() == m_tools_tiny->GetId())
 703     {
 704         m_browser->SetZoom(wxWEB_VIEW_ZOOM_TINY);
 705     }
 706     else if (evt.GetId() == m_tools_small->GetId())
 707     {
 708         m_browser->SetZoom(wxWEB_VIEW_ZOOM_SMALL);
 709     }
 710     else if (evt.GetId() == m_tools_medium->GetId())
 711     {
 712         m_browser->SetZoom(wxWEB_VIEW_ZOOM_MEDIUM);
 713     }
 714     else if (evt.GetId() == m_tools_large->GetId())
 715     {
 716         m_browser->SetZoom(wxWEB_VIEW_ZOOM_LARGE);
 717     }
 718     else if (evt.GetId() == m_tools_largest->GetId())
 719     {
 720         m_browser->SetZoom(wxWEB_VIEW_ZOOM_LARGEST);
 721     }
 722     else
 723     {
 724         wxFAIL;
 725     }
 726 }
 727
 728 void WebFrame::OnZoomLayout(wxCommandEvent& WXUNUSED(evt))
 729 {
 730     if(m_tools_layout->IsChecked())
 731         m_browser->SetZoomType(wxWEB_VIEW_ZOOM_TYPE_LAYOUT);
 732     else
 733         m_browser->SetZoomType(wxWEB_VIEW_ZOOM_TYPE_TEXT);
 734 }
 735
 736 void WebFrame::OnHistory(wxCommandEvent& evt)
 737 {
 738     m_browser->LoadHistoryItem(m_histMenuItems[evt.GetId()]);
 739 }
 740
 741 void WebFrame::OnRunScript(wxCommandEvent& WXUNUSED(evt))
 742 {
 743     wxTextEntryDialog dialog(this, "Enter JavaScript to run.", wxGetTextFromUserPromptStr, "", wxOK|wxCANCEL|wxCENTRE|wxTE_MULTILINE);
 744     if(dialog.ShowModal() == wxID_OK)
 745     {
 746         m_browser->RunScript(dialog.GetValue());
 747     }
 748 }
 749
 750 void WebFrame::OnClearSelection(wxCommandEvent& WXUNUSED(evt))
 751 {
 752     m_browser->ClearSelection();
 753 }
 754
 755 void WebFrame::OnDeleteSelection(wxCommandEvent& WXUNUSED(evt))
 756 {
 757     m_browser->DeleteSelection();
 758 }
 759
 760 void WebFrame::OnSelectAll(wxCommandEvent& WXUNUSED(evt))
 761 {
 762     m_browser->SelectAll();
 763 }
 764
 765 /**
 766   * Callback invoked when a loading error occurs
 767   */
 768 void WebFrame::OnError(wxWebViewEvent& evt)
 769 {
 770     wxString errorCategory;
 771     switch (evt.GetInt())
 772     {
 773     case  wxWEB_NAV_ERR_CONNECTION:
 774         errorCategory = "wxWEB_NAV_ERR_CONNECTION";
 775         break;
 776
 777     case wxWEB_NAV_ERR_CERTIFICATE:
 778         errorCategory = "wxWEB_NAV_ERR_CERTIFICATE";
 779         break;
 780
 781     case wxWEB_NAV_ERR_AUTH:
 782         errorCategory = "wxWEB_NAV_ERR_AUTH";
 783         break;
 784
 785     case wxWEB_NAV_ERR_SECURITY:
 786         errorCategory = "wxWEB_NAV_ERR_SECURITY";
 787         break;
 788
 789     case wxWEB_NAV_ERR_NOT_FOUND:
 790         errorCategory = "wxWEB_NAV_ERR_NOT_FOUND";
 791         break;
 792
 793     case wxWEB_NAV_ERR_REQUEST:
 794         errorCategory = "wxWEB_NAV_ERR_REQUEST";
 795         break;
 796
 797     case wxWEB_NAV_ERR_USER_CANCELLED:
 798         errorCategory = "wxWEB_NAV_ERR_USER_CANCELLED";
 799         break;
 800
 801     case wxWEB_NAV_ERR_OTHER:
 802         errorCategory = "wxWEB_NAV_ERR_OTHER";
 803         break;
 804     }
 805
 806     wxLogMessage("Error; url='" + evt.GetURL() + "', error='" + errorCategory + "' (" + evt.GetString() + ")");
 807
 808     //Show the info bar with an error
 809     m_info->ShowMessage(_("An error occurred loading ") + evt.GetURL() + "\n" +
 810     "'" + errorCategory + "' (" + evt.GetString() + ")", wxICON_ERROR);
 811
 812     UpdateState();
 813 }
 814
 815 /**
 816   * Invoked when user selects "Print" from the menu
 817   */
 818 void WebFrame::OnPrint(wxCommandEvent& WXUNUSED(evt))
 819 {
 820     m_browser->Print();
 821 }
 822
 823 SourceViewDialog::SourceViewDialog(wxWindow* parent, wxString source) :
 824                   wxDialog(parent, wxID_ANY, "Source Code",
 825                            wxDefaultPosition, wxSize(700,500),
 826                            wxDEFAULT_DIALOG_STYLE | wxRESIZE_BORDER)
 827 {
 828     wxStyledTextCtrl* text = new wxStyledTextCtrl(this, wxID_ANY);
 829     text->SetMarginWidth(1, 30);
 830     text->SetMarginType(1, wxSTC_MARGIN_NUMBER);
 831     text->SetText(source);
 832
 833     text->StyleClearAll();
 834     text->SetLexer(wxSTC_LEX_HTML);
 835     text->StyleSetForeground(wxSTC_H_DOUBLESTRING, wxColour(255,0,0));
 836     text->StyleSetForeground(wxSTC_H_SINGLESTRING, wxColour(255,0,0));
 837     text->StyleSetForeground(wxSTC_H_ENTITY, wxColour(255,0,0));
 838     text->StyleSetForeground(wxSTC_H_TAG, wxColour(0,150,0));
 839     text->StyleSetForeground(wxSTC_H_TAGUNKNOWN, wxColour(0,150,0));
 840     text->StyleSetForeground(wxSTC_H_ATTRIBUTE, wxColour(0,0,150));
 841     text->StyleSetForeground(wxSTC_H_ATTRIBUTEUNKNOWN, wxColour(0,0,150));
 842     text->StyleSetForeground(wxSTC_H_COMMENT, wxColour(150,150,150));
 843
 844     wxBoxSizer* sizer = new wxBoxSizer(wxVERTICAL);
 845     sizer->Add(text, 1, wxEXPAND);
 846     SetSizer(sizer);
 847 }