///////////////////////////////////////////////////////////////////////////// // Name: test.cpp // Purpose: wxHtml testing example ///////////////////////////////////////////////////////////////////////////// // For compilers that support precompilation, includes "wx/wx.h". #include "wx/wxprec.h" #ifdef __BORLANDC__ #pragma hdrstop #endif // for all others, include the necessary headers (this file is usually all you // need because it includes almost all "standard" wxWidgets headers #ifndef WX_PRECOMP #include "wx/wx.h" #endif #include "wx/image.h" #include "wx/html/helpfrm.h" #include "wx/html/helpctrl.h" #include "wx/filesys.h" #include "wx/fs_zip.h" // ---------------------------------------------------------------------------- // private classes // ---------------------------------------------------------------------------- // Define a new application type, each program should derive a class from wxApp class MyApp : public wxApp { public: // override base class virtuals // ---------------------------- // this one is called on application startup and is a good place for the app // initialization (doing it here and not in the ctor allows to have an error // return: if OnInit() returns false, the application terminates) virtual bool OnInit(); }; // Define a new frame type: this is going to be our main frame class MyFrame : public wxFrame { public: // ctor(s) MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size); // event handlers (these functions should _not_ be virtual) void OnQuit(wxCommandEvent& event); void OnHelp(wxCommandEvent& event); void OnClose(wxCloseEvent& event); private: wxHtmlHelpController help; // any class wishing to process wxWidgets events must use this macro DECLARE_EVENT_TABLE() }; // ---------------------------------------------------------------------------- // constants // ---------------------------------------------------------------------------- // IDs for the controls and the menu commands enum { // menu items Minimal_Quit = 1, Minimal_Help }; // ---------------------------------------------------------------------------- // event tables and other macros for wxWidgets // ---------------------------------------------------------------------------- // the event tables connect the wxWidgets events with the functions (event // handlers) which process them. It can be also done at run-time, but for the // simple menu events like this the static method is much simpler. BEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_MENU(Minimal_Quit, MyFrame::OnQuit) EVT_MENU(Minimal_Help, MyFrame::OnHelp) EVT_CLOSE(MyFrame::OnClose) END_EVENT_TABLE() // Create a new application object: this macro will allow wxWidgets to create // the application object during program execution (it's better than using a // static object for many reasons) and also declares the accessor function // wxGetApp() which will return the reference of the right type (i.e. MyApp and // not wxApp) IMPLEMENT_APP(MyApp) // ============================================================================ // implementation // ============================================================================ // ---------------------------------------------------------------------------- // the application class // ---------------------------------------------------------------------------- // `Main program' equivalent: the program execution "starts" here bool MyApp::OnInit() { wxInitAllImageHandlers(); #if wxUSE_STREAMS && wxUSE_ZIPSTREAM && wxUSE_ZLIB wxFileSystem::AddHandler(new wxZipFSHandler); #endif SetVendorName(wxT("wxWidgets")); SetAppName(wxT("wxHTMLHelp")); // Create the main application window MyFrame *frame = new MyFrame(_("HTML Help Sample"), wxDefaultPosition, wxDefaultSize); // Show it and tell the application that it's our main window // @@@ what does it do exactly, in fact? is it necessary here? frame->Show(true); SetTopWindow(frame); // success: wxApp::OnRun() will be called which will enter the main message // loop and the application will run. If we returned false here, the // application would exit immediately. return true; } // ---------------------------------------------------------------------------- // main frame // ---------------------------------------------------------------------------- // frame constructor MyFrame::MyFrame(const wxString& title, const wxPoint& pos, const wxSize& size) : wxFrame((wxFrame *)NULL, wxID_ANY, title, pos, size), help(wxHF_DEFAULT_STYLE | wxHF_OPEN_FILES) { // create a menu bar wxMenu *menuFile = new wxMenu; menuFile->Append(Minimal_Help, _("&Help")); menuFile->Append(Minimal_Quit, _("E&xit")); // now append the freshly created menu to the menu bar... wxMenuBar *menuBar = new wxMenuBar; menuBar->Append(menuFile, _("&File")); // ... and attach this menu bar to the frame SetMenuBar(menuBar); help.UseConfig(wxConfig::Get()); bool ret; help.SetTempDir(wxT(".")); ret = help.AddBook(wxFileName(wxT("helpfiles/testing.hhp"), wxPATH_UNIX)); if (! ret) wxMessageBox(wxT("Failed adding book helpfiles/testing.hhp")); ret = help.AddBook(wxFileName(wxT("helpfiles/another.hhp"), wxPATH_UNIX)); if (! ret) wxMessageBox(_("Failed adding book helpfiles/another.hhp")); } // event handlers void MyFrame::OnQuit(wxCommandEvent& WXUNUSED(event)) { // true is to force the frame to close Close(true); } void MyFrame::OnHelp(wxCommandEvent& WXUNUSED(event)) { help.Display(wxT("Test HELPFILE")); } void MyFrame::OnClose(wxCloseEvent& event) { // Close the help frame; this will cause the config data to // get written. if ( help.GetFrame() ) // returns NULL if no help frame active help.GetFrame()->Close(true); // now we can safely delete the config pointer event.Skip(); delete wxConfig::Set(NULL); }