samples/html/helpview/helpview.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        helpview.cpp
   3 // Purpose:     wxHtml sample: help browser
   4 // Author:      ?
   5 // Modified by:
   6 // Created:     ?
   7 // Copyright:   (c) wxWidgets team
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // Please note: see utils/helpview for a more fully-featured
  12 // standalone help browser.
  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 // for all others, include the necessary headers (this file is usually all you
  22 // need because it includes almost all "standard" wxWidgets headers
  23 #ifndef WX_PRECOMP
  24 #include "wx/wx.h"
  25 #endif
  26
  27 #include "wx/image.h"
  28 #include "wx/wxhtml.h"
  29 #include "wx/fs_zip.h"
  30 #include "wx/log.h"
  31 #include "wx/filedlg.h"
  32
  33
  34 // ----------------------------------------------------------------------------
  35 // private classes
  36 // ----------------------------------------------------------------------------
  37
  38 // Define a new application type, each program should derive a class from wxApp
  39 class MyApp : public wxApp
  40 {
  41 public:
  42     // override base class virtuals
  43     // ----------------------------
  44
  45     // this one is called on application startup and is a good place for the app
  46     // initialization (doing it here and not in the ctor allows to have an error
  47     // return: if OnInit() returns false, the application terminates)
  48
  49     virtual bool OnInit();
  50     virtual int OnExit();
  51
  52 private:
  53     wxHtmlHelpController *help;
  54 };
  55
  56
  57 IMPLEMENT_APP(MyApp)
  58
  59
  60 bool MyApp::OnInit()
  61 {
  62 #ifdef __WXMOTIF__
  63     delete wxLog::SetActiveTarget(new wxLogStderr); // So dialog boxes aren't used
  64 #endif
  65
  66     wxInitAllImageHandlers();
  67     wxFileSystem::AddHandler(new wxZipFSHandler);
  68
  69     SetVendorName(wxT("wxWidgets"));
  70     SetAppName(wxT("wxHTMLHelp"));
  71     wxConfig::Get(); // create an instance
  72
  73     help = new wxHtmlHelpController;
  74
  75     if (argc < 2) {
  76         wxLogError(wxT("Usage : helpview <helpfile> [<more helpfiles>]"));
  77         wxLogError(wxT("  helpfile may be .hhp, .zip or .htb"));
  78         return false;
  79     }
  80
  81     for (int i = 1; i < argc; i++)
  82         help->AddBook(wxFileName(argv[i]));
  83
  84 #ifdef __WXMOTIF__
  85     delete wxLog::SetActiveTarget(new wxLogGui);
  86 #endif
  87
  88     help->SetShouldPreventAppExit(true);
  89
  90     help -> DisplayContents();
  91
  92     return true;
  93 }
  94
  95 int MyApp::OnExit()
  96 {
  97     delete help;
  98     delete wxConfig::Set(NULL);
  99
 100     return 0;
 101 }
 102