X-Git-Url: https://git.saurik.com/wxWidgets.git/blobdiff_plain/5526e819eca4465ed5520d49bccfebc6a28045e0..b64c92ee20b022a88d3fe5371b0e17fb7818894f:/samples/html/help/help.cpp diff --git a/samples/html/help/help.cpp b/samples/html/help/help.cpp index 22677fee69..9338525c47 100644 --- a/samples/html/help/help.cpp +++ b/samples/html/help/help.cpp @@ -3,79 +3,186 @@ // Purpose: wxHtml testing example ///////////////////////////////////////////////////////////////////////////// -#ifdef __GNUG__ - #pragma implementation - #pragma interface -#endif - // For compilers that support precompilation, includes "wx/wx.h". -#include +#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" wxWindows headers +// need because it includes almost all "standard" wxWidgets headers #ifndef WX_PRECOMP - #include + #include "wx/wx.h" #endif -#include -#include -#if (( wxVERSION_NUMBER < 2100 ) || (( wxVERSION_NUMBER == 2100 ) && (wxBETA_NUMBER <= 4))) -#include -#endif -#include +#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 { - private: - wxHtmlHelpController help; - wxConfig* config; - 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) - bool OnInit(); - int OnExit(); + 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() { - config = new wxConfig("wxHTMLhelp"); - #if wxUSE_LIBPNG - wxImage::AddHandler(new wxPNGHandler); - #endif - #if wxUSE_LIBJPEG - wxImage::AddHandler(new wxJPEGHandler); - #endif - - help.UseConfig(config); - help.SetTempDir("tmp"); - help.AddBook("helpfiles/testing.hhp"); - help.Display("Main page"); - return TRUE; + 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; } - - int MyApp::OnExit() + +// ---------------------------------------------------------------------------- +// 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)) { - delete config; - return 0; + // 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); + }