samples/html/helpview/helpview.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        helpview.cpp
   3 // Purpose:     wxHtml help browser
   4 // Please note: see utils/helpview for a more fully-featured
   5 // standalone help browser.
   6 /////////////////////////////////////////////////////////////////////////////
   7
   8 // For compilers that support precompilation, includes "wx/wx.h".
   9 #include "wx/wxprec.h"
  10
  11 #ifdef __BORLANDC__
  12 #pragma hdrstop
  13 #endif
  14
  15 // for all others, include the necessary headers (this file is usually all you
  16 // need because it includes almost all "standard" wxWidgets headers
  17 #ifndef WX_PRECOMP
  18 #include "wx/wx.h"
  19 #endif
  20
  21 #include "wx/image.h"
  22 #include "wx/wxhtml.h"
  23 #include "wx/fs_zip.h"
  24 #include "wx/log.h"
  25 #include "wx/filedlg.h"
  26
  27 // ----------------------------------------------------------------------------
  28 // private classes
  29 // ----------------------------------------------------------------------------
  30
  31
  32 // Define a new application type, each program should derive a class from wxApp
  33 class MyApp : public wxApp
  34 {
  35     public:
  36         // override base class virtuals
  37         // ----------------------------
  38
  39         // this one is called on application startup and is a good place for the app
  40         // initialization (doing it here and not in the ctor allows to have an error
  41         // return: if OnInit() returns false, the application terminates)
  42
  43         virtual bool OnInit();
  44         virtual int OnExit();
  45
  46     private:
  47         wxHtmlHelpController *help;
  48 };
  49
  50
  51 IMPLEMENT_APP(MyApp)
  52
  53
  54 bool MyApp::OnInit()
  55 {
  56     if ( !wxApp::OnInit() )
  57         return false;
  58
  59 #ifdef __WXMOTIF__
  60     delete wxLog::SetActiveTarget(new wxLogStderr); // So dialog boxes aren't used
  61 #endif
  62
  63     wxInitAllImageHandlers();
  64     wxFileSystem::AddHandler(new wxZipFSHandler);
  65
  66     SetVendorName(wxT("wxWidgets"));
  67     SetAppName(wxT("wxHTMLHelp"));
  68     wxConfig::Get(); // create an instance
  69
  70     help = new wxHtmlHelpController;
  71
  72     if (argc < 2) {
  73         wxLogError(wxT("Usage : helpview <helpfile> [<more helpfiles>]"));
  74         wxLogError(wxT("  helpfile may be .hhp, .zip or .htb"));
  75         return false;
  76     }
  77
  78     for (int i = 1; i < argc; i++)
  79         help->AddBook(wxFileName(argv[i]));
  80
  81 #ifdef __WXMOTIF__
  82     delete wxLog::SetActiveTarget(new wxLogGui);
  83 #endif
  84
  85     help -> DisplayContents();
  86
  87     SetTopWindow(help->GetFrame());
  88
  89     return true;
  90 }
  91
  92
  93 int MyApp::OnExit()
  94 {
  95     delete help;
  96     delete wxConfig::Set(NULL);
  97
  98     return 0;
  99 }
 100