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 #ifdef __WXMOTIF__
  57     delete wxLog::SetActiveTarget(new wxLogStderr); // So dialog boxes aren't used
  58 #endif
  59
  60     wxInitAllImageHandlers();
  61     wxFileSystem::AddHandler(new wxZipFSHandler);
  62
  63     SetVendorName(wxT("wxWidgets"));
  64     SetAppName(wxT("wxHTMLHelp"));
  65     wxConfig::Get(); // create an instance
  66
  67     help = new wxHtmlHelpController;
  68
  69     if (argc < 2) {
  70         wxLogError(wxT("Usage : helpview <helpfile> [<more helpfiles>]"));
  71         wxLogError(wxT("  helpfile may be .hhp, .zip or .htb"));
  72         return false;
  73     }
  74
  75     for (int i = 1; i < argc; i++)
  76         help->AddBook(wxFileName(argv[i]));
  77
  78 #ifdef __WXMOTIF__
  79     delete wxLog::SetActiveTarget(new wxLogGui);
  80 #endif
  81
  82     help -> DisplayContents();
  83
  84     return true;
  85 }
  86
  87
  88 int MyApp::OnExit()
  89 {
  90     delete help;
  91     delete wxConfig::Set(NULL);
  92
  93     return 0;
  94 }
  95