samples/html/helpview/helpview.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        helpview.cpp
   3 // Purpose:     wxHtml sample: help browser
   4 // Author:      ?
   5 // Modified by:
   6 // Created:     ?
   7 // RCS-ID:      $Id$
   8 // Copyright:   (c) wxWidgets team
   9 // Licence:     wxWindows licence
  10 /////////////////////////////////////////////////////////////////////////////
  11
  12 // Please note: see utils/helpview for a more fully-featured
  13 // standalone help browser.
  14
  15 // For compilers that support precompilation, includes "wx/wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORLANDC__
  19 #pragma hdrstop
  20 #endif
  21
  22 // for all others, include the necessary headers (this file is usually all you
  23 // need because it includes almost all "standard" wxWidgets headers
  24 #ifndef WX_PRECOMP
  25 #include "wx/wx.h"
  26 #endif
  27
  28 #include "wx/image.h"
  29 #include "wx/wxhtml.h"
  30 #include "wx/fs_zip.h"
  31 #include "wx/log.h"
  32 #include "wx/filedlg.h"
  33
  34
  35 // ----------------------------------------------------------------------------
  36 // private classes
  37 // ----------------------------------------------------------------------------
  38
  39 // Define a new application type, each program should derive a class from wxApp
  40 class MyApp : public wxApp
  41 {
  42 public:
  43     // override base class virtuals
  44     // ----------------------------
  45
  46     // this one is called on application startup and is a good place for the app
  47     // initialization (doing it here and not in the ctor allows to have an error
  48     // return: if OnInit() returns false, the application terminates)
  49
  50     virtual bool OnInit();
  51     virtual int OnExit();
  52
  53 private:
  54     wxHtmlHelpController *help;
  55 };
  56
  57
  58 IMPLEMENT_APP(MyApp)
  59
  60
  61 bool MyApp::OnInit()
  62 {
  63 #ifdef __WXMOTIF__
  64     delete wxLog::SetActiveTarget(new wxLogStderr); // So dialog boxes aren't used
  65 #endif
  66
  67     wxInitAllImageHandlers();
  68     wxFileSystem::AddHandler(new wxZipFSHandler);
  69
  70     SetVendorName(wxT("wxWidgets"));
  71     SetAppName(wxT("wxHTMLHelp"));
  72     wxConfig::Get(); // create an instance
  73
  74     help = new wxHtmlHelpController;
  75
  76     if (argc < 2) {
  77         wxLogError(wxT("Usage : helpview <helpfile> [<more helpfiles>]"));
  78         wxLogError(wxT("  helpfile may be .hhp, .zip or .htb"));
  79         return false;
  80     }
  81
  82     for (int i = 1; i < argc; i++)
  83         help->AddBook(wxFileName(argv[i]));
  84
  85 #ifdef __WXMOTIF__
  86     delete wxLog::SetActiveTarget(new wxLogGui);
  87 #endif
  88
  89     help->SetShouldPreventAppExit(true);
  90
  91     help -> DisplayContents();
  92
  93     return true;
  94 }
  95
  96 int MyApp::OnExit()
  97 {
  98     delete help;
  99     delete wxConfig::Set(NULL);
 100
 101     return 0;
 102 }
 103