788233da90
GNU compiler included with Mac OS X 10.2 (Jaguar) as well as August Developer Tools update contain a bug concerning #pragma interface handling that can only be worked around by not using them (and they are not necessary anyways) git-svn-id: https://svn.wxwidgets.org/svn/wx/wxWidgets/trunk@16895 c3d73ce0-8a6f-49c7-b76d-6d57e0e08775
238 lines
7.7 KiB
C++
238 lines
7.7 KiB
C++
/////////////////////////////////////////////////////////////////////////////
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// Name: test.cpp
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// Purpose: wxHtml testing example
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/////////////////////////////////////////////////////////////////////////////
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#if defined(__GNUG__) && !defined(__APPLE__)
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#pragma implementation "test.cpp"
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#pragma interface "test.cpp"
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#endif
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// For compilers that support precompilation, includes "wx/wx.h".
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#include "wx/wxprec.h"
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#ifdef __BORLANDC__
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#pragma hdrstop
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#endif
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// for all others, include the necessary headers (this file is usually all you
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// need because it includes almost all "standard" wxWindows headers
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#ifndef WX_PRECOMP
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#include "wx/wx.h"
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#endif
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#include "wx/image.h"
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#include "wx/sysopt.h"
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#include "wx/html/htmlwin.h"
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#include "wx/html/htmlproc.h"
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#include "wx/fs_inet.h"
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#include "wx/filedlg.h"
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// ----------------------------------------------------------------------------
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// private classes
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// ----------------------------------------------------------------------------
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// Define a new application type, each program should derive a class from wxApp
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class MyApp : public wxApp
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{
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public:
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// override base class virtuals
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// ----------------------------
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// this one is called on application startup and is a good place for the app
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// initialization (doing it here and not in the ctor allows to have an error
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// return: if OnInit() returns false, the application terminates)
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virtual bool OnInit();
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};
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// Define a new frame type: this is going to be our main frame
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class MyFrame : public wxFrame
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{
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public:
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// ctor(s)
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MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size);
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// event handlers (these functions should _not_ be virtual)
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void OnQuit(wxCommandEvent& event);
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void OnPageOpen(wxCommandEvent& event);
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void OnBack(wxCommandEvent& event);
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void OnForward(wxCommandEvent& event);
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void OnProcessor(wxCommandEvent& event);
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private:
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wxHtmlWindow *m_Html;
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wxHtmlProcessor *m_Processor;
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// any class wishing to process wxWindows events must use this macro
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DECLARE_EVENT_TABLE()
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};
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class BoldProcessor : public wxHtmlProcessor
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{
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public:
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virtual wxString Process(const wxString& s) const
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{
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wxString r(s);
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r.Replace(wxT("<b>"), wxEmptyString);
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r.Replace(wxT("<B>"), wxEmptyString);
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r.Replace(wxT("</b>"), wxEmptyString);
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r.Replace(wxT("</B>"), wxEmptyString);
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return r;
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}
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};
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// ----------------------------------------------------------------------------
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// constants
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// ----------------------------------------------------------------------------
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// IDs for the controls and the menu commands
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enum
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{
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// menu items
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Minimal_Quit = 1,
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Minimal_PageOpen,
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Minimal_Back,
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Minimal_Forward,
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Minimal_Processor,
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// controls start here (the numbers are, of course, arbitrary)
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Minimal_Text = 1000
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};
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// ----------------------------------------------------------------------------
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// event tables and other macros for wxWindows
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// ----------------------------------------------------------------------------
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// the event tables connect the wxWindows events with the functions (event
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// handlers) which process them. It can be also done at run-time, but for the
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// simple menu events like this the static method is much simpler.
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BEGIN_EVENT_TABLE(MyFrame, wxFrame)
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EVT_MENU(Minimal_Quit, MyFrame::OnQuit)
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EVT_MENU(Minimal_PageOpen, MyFrame::OnPageOpen)
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EVT_MENU(Minimal_Back, MyFrame::OnBack)
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EVT_MENU(Minimal_Forward, MyFrame::OnForward)
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EVT_MENU(Minimal_Processor, MyFrame::OnProcessor)
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END_EVENT_TABLE()
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// Create a new application object: this macro will allow wxWindows to create
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// the application object during program execution (it's better than using a
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// static object for many reasons) and also declares the accessor function
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// wxGetApp() which will return the reference of the right type (i.e. MyApp and
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// not wxApp)
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IMPLEMENT_APP(MyApp)
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// ============================================================================
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// implementation
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// ============================================================================
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// ----------------------------------------------------------------------------
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// the application class
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// ----------------------------------------------------------------------------
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// `Main program' equivalent: the program execution "starts" here
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bool MyApp::OnInit()
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{
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#if wxUSE_SYSTEM_OPTIONS
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wxSystemOptions::SetOption(wxT("no-maskblt"), 1);
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#endif
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wxInitAllImageHandlers();
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#if wxUSE_FS_INET && wxUSE_STREAMS && wxUSE_SOCKETS
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wxFileSystem::AddHandler(new wxInternetFSHandler);
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#endif
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SetVendorName("wxWindows");
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SetAppName("wxHtmlTest");
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// the following call to wxConfig::Get will use it to create an object...
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// Create the main application window
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MyFrame *frame = new MyFrame("wxHtmlWindow testing application",
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wxPoint(50, 50), wxSize(640, 480));
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// Show it and tell the application that it's our main window
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// @@@ what does it do exactly, in fact? is it necessary here?
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frame->Show(TRUE);
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SetTopWindow(frame);
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// success: wxApp::OnRun() will be called which will enter the main message
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// loop and the application will run. If we returned FALSE here, the
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// application would exit immediately.
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return TRUE;
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}
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// ----------------------------------------------------------------------------
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// main frame
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// ----------------------------------------------------------------------------
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// frame constructor
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MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size)
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: wxFrame((wxFrame *)NULL, -1, title, pos, size, wxDEFAULT_FRAME_STYLE, "html_test_app")
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{
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// create a menu bar
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wxMenu *menuFile = new wxMenu;
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wxMenu *menuNav = new wxMenu;
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menuFile->Append(Minimal_PageOpen, "&Open HTML page...");
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menuFile->AppendSeparator();
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menuFile->Append(Minimal_Processor, "&Remove bold attribute", "", TRUE);
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menuFile->AppendSeparator();
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menuFile->Append(Minimal_Quit, "&Close frame");
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menuNav->Append(Minimal_Back, "Go &BACK");
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menuNav->Append(Minimal_Forward, "Go &FORWARD");
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// now append the freshly created menu to the menu bar...
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wxMenuBar *menuBar = new wxMenuBar;
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menuBar->Append(menuFile, "&File");
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menuBar->Append(menuNav, "&Navigate");
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// ... and attach this menu bar to the frame
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SetMenuBar(menuBar);
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CreateStatusBar(1);
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m_Processor = new BoldProcessor;
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m_Processor->Enable(FALSE);
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m_Html = new wxHtmlWindow(this);
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m_Html->SetRelatedFrame(this, "HTML : %s");
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m_Html->SetRelatedStatusBar(0);
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m_Html->ReadCustomization(wxConfig::Get());
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m_Html->LoadPage("test.htm");
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m_Html->AddProcessor(m_Processor);
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}
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// event handlers
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void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event))
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{
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// TRUE is to force the frame to close
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m_Html -> WriteCustomization(wxConfig::Get());
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delete wxConfig::Set(NULL);
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Close(TRUE);
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}
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void MyFrame::OnPageOpen(wxCommandEvent& WXUNUSED(event))
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{
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wxString p = wxFileSelector(wxT("Open HTML document"), wxT(""), wxT(""), wxT(""), wxT("HTML files|*.htm"));
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if (p != wxEmptyString)
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m_Html -> LoadPage(p);
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}
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void MyFrame::OnBack(wxCommandEvent& WXUNUSED(event))
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{
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if (!m_Html -> HistoryBack()) wxMessageBox("You reached prehistory era!");
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}
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void MyFrame::OnForward(wxCommandEvent& WXUNUSED(event))
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{
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if (!m_Html -> HistoryForward()) wxMessageBox("No more items in history!");
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}
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void MyFrame::OnProcessor(wxCommandEvent& WXUNUSED(event))
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{
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m_Processor->Enable(!m_Processor->IsEnabled());
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m_Html->LoadPage(m_Html->GetOpenedPage());
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}
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