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