utils/helpview/src/helpview.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        helpview.h
   3 // Purpose:     HelpView application
   4 //              A standalone viewer for wxHTML Help (.htb) files
   5 // Author:      Vaclav Slavik, Julian Smart
   6 // Modified by:
   7 // Created:     2002-07-09
   8 // RCS-ID:      $Id$
   9 // Copyright:   (c) 2002 Vaclav Slavik, Julian Smart and others
  10 // Licence:     wxWindows licence
  11 /////////////////////////////////////////////////////////////////////////////
  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/filename.h"
  27 #include "wx/image.h"
  28 #include "wx/wxhtml.h"
  29 #include "wx/fs_zip.h"
  30 #include "wx/log.h"
  31 #include "wx/artprov.h"
  32 #include "wx/filedlg.h"
  33
  34 #include "helpview.h"
  35
  36 class AlternateArtProvider : public wxArtProvider
  37 {
  38 protected:
  39     virtual wxBitmap CreateBitmap(const wxArtID& id, const wxArtClient& client,
  40                                   const wxSize& size);
  41 };
  42
  43 IMPLEMENT_APP(hvApp)
  44
  45 hvApp::hvApp()
  46 {
  47 #if wxUSE_IPC
  48     m_server = NULL;
  49 #endif
  50 }
  51
  52 bool hvApp::OnInit()
  53 {
  54 #ifdef __WXMOTIF__
  55     delete wxLog::SetActiveTarget(new wxLogStderr); // So dialog boxes aren't used
  56 #endif
  57
  58     wxArtProvider::PushProvider(new AlternateArtProvider);
  59
  60 #ifdef __WXMAC__
  61     wxApp::s_macAboutMenuItemId = wxID_ABOUT;
  62     wxFileName::MacRegisterDefaultTypeAndCreator( wxT("htb") , 'HTBD' , 'HTBA' ) ;
  63 #endif
  64
  65     int istyle = wxHF_DEFAULT_STYLE;
  66
  67     wxString service, windowName, titleFormat, argStr;
  68     wxString book[10];
  69     int bookCount = 0;
  70     int i;
  71     bool hasService = false;
  72     bool hasWindowName = false;
  73     bool createServer = false;
  74
  75 #if wxUSE_IPC
  76     m_server = NULL;
  77 #endif
  78
  79     // Help books are recognized by extension ".hhp" ".htb" or ".zip".
  80     // Service and window_name can occur anywhere in arguments,
  81     // but service must be first
  82     // Other arguments (topic?) could be added
  83
  84     //  modes of operation:
  85     //  1) no arguments - stand alone, prompt user for book
  86     //  2) books only - stand alone, open books
  87     //  3) "--server" as (any) arg - start connection with default service;
  88     //     also open any books passed as other arguments
  89     //  4) at least one argument which is not book, and not "--server" - take first
  90     //     such argument as service, second (if present) as window name,
  91     //     start service, open any books
  92
  93     for( i=1; i<argc; i++ )
  94     {
  95         argStr = argv[i];
  96
  97         if ( argStr.Find( wxT(".hhp") ) >= 0
  98             || argStr.Find( wxT(".htb") ) >= 0
  99             || argStr.Find( wxT(".zip") ) >= 0 )
 100         {
 101             book[bookCount] = argStr;
 102             bookCount++;
 103         }
 104         else if ( argStr == wxT("--server") )
 105         {
 106             createServer = true;
 107 #if defined(__WXMSW__)
 108             service = wxT("generic_helpservice");
 109 #elif defined(__UNIX__)
 110             service = wxT("/tmp/") + wxString(wxT("generic_helpservice"));
 111 #else
 112             service = wxT("4242");
 113 #endif
 114         }
 115         else if ( !hasService )
 116         {
 117             service = argStr;
 118             hasService = true;
 119             createServer = true;
 120         }
 121         else if ( !hasWindowName )
 122         {
 123             windowName = argStr;
 124             hasWindowName = true;
 125         }
 126         else if ( argStr.Find( wxT("--Style") )  >= 0 )
 127         {
 128             long i;
 129             wxString numb = argStr.AfterLast(wxT('e'));
 130             if ( !(numb.ToLong(&i) ) )
 131             {
 132                 wxLogError( wxT("Integer conversion failed for --Style") );
 133             }
 134             else
 135             {
 136                 istyle = i;
 137             }
 138         }
 139         else
 140         {
 141             //unknown - could be topic?
 142         }
 143     }
 144
 145     // No book - query user; but not on Mac, since there
 146     // may be an AppleEvent to open a document on the way
 147 #ifndef __WXMAC__
 148     if ( bookCount < 1 )
 149     {
 150         wxString s = wxFileSelector( wxT("Open help file"),
 151             wxGetCwd(),
 152             wxEmptyString,
 153             wxEmptyString,
 154             wxT("Help books (*.htb)|*.htb|Help books (*.zip)|*.zip|HTML Help Project (*.hhp)|*.hhp"),
 155             wxOPEN | wxFILE_MUST_EXIST,
 156             NULL);
 157
 158         if (!s.empty())
 159         {
 160             book[0] = s;
 161             bookCount = 1;
 162         }
 163     }
 164 #endif
 165
 166 #if wxUSE_IPC
 167
 168     if ( createServer )
 169     {
 170         // Create a new server
 171         m_server = new hvServer;
 172
 173         if ( !m_server->Create(service) )
 174         {
 175             wxString wxm = wxT("Server Create failed - service: ");
 176             wxString xxm = wxm << service;
 177             wxLogError( xxm );
 178             //if MSW quits here, probably another copy already exists
 179             return false;
 180         }
 181         createServer = false;
 182         wxUnusedVar(createServer);
 183     }
 184
 185 #endif  // wxUSE_IPC
 186
 187     //now add help
 188     wxInitAllImageHandlers();
 189     wxFileSystem::AddHandler(new wxZipFSHandler);
 190
 191     SetVendorName(wxT("wxWidgets") );
 192     SetAppName(wxT("wxHTMLHelpServer") );
 193     wxConfig::Get(); // create an instance
 194
 195     m_helpController = new wxHtmlHelpController( istyle );
 196
 197     if ( !hasWindowName )
 198     {
 199         titleFormat = wxT("Help: %s") ;
 200     }
 201     else
 202     {
 203         //remove underscores
 204         windowName.Replace( wxT("_"), wxT(" ") );
 205         titleFormat = windowName;
 206     }
 207
 208     m_helpController->SetTitleFormat( titleFormat );
 209
 210     for( i=0; i<bookCount; i++ )
 211     {
 212         wxFileName fileName(book[i]);
 213         m_helpController->AddBook(fileName);
 214     }
 215
 216 #ifdef __WXMOTIF__
 217     delete wxLog::SetActiveTarget(new wxLogGui);
 218 #endif
 219
 220     m_helpController->DisplayContents();
 221
 222     return true;
 223 }
 224
 225
 226 int hvApp::OnExit()
 227 {
 228 #if wxUSE_IPC
 229     wxObjectList::compatibility_iterator node = m_connections.GetFirst();
 230     while (node)
 231     {
 232         wxObjectList::compatibility_iterator next = node->GetNext();
 233         hvConnection* connection = (hvConnection*) node->GetData();
 234         connection->Disconnect();
 235         delete connection;
 236         node = next;
 237     }
 238     m_connections.Clear();
 239
 240     if (m_server)
 241     {
 242         delete m_server;
 243         m_server = NULL;
 244     }
 245 #endif
 246
 247     delete m_helpController;
 248     delete wxConfig::Set(NULL);
 249
 250     return 0;
 251 }
 252
 253 bool hvApp::OpenBook(wxHtmlHelpController* controller)
 254 {
 255     wxString s = wxFileSelector(_("Open help file"),
 256         wxGetCwd(),
 257         wxEmptyString,
 258         wxEmptyString,
 259         _(
 260         "Help books (*.htb)|*.htb|Help books (*.zip)|*.zip|\
 261         HTML Help Project (*.hhp)|*.hhp"),
 262         wxOPEN | wxFILE_MUST_EXIST,
 263         NULL);
 264
 265     if ( !s.empty() )
 266     {
 267         wxString ext = s.Right(4).Lower();
 268         if (ext == _T(".zip") || ext == _T(".htb") || ext == _T(".hhp"))
 269         {
 270             wxBusyCursor bcur;
 271             wxFileName fileName(s);
 272             controller->AddBook(fileName);
 273             return true;
 274         }
 275     }
 276
 277     return false;
 278 }
 279
 280 #ifdef __WXMAC__
 281 /// Respond to Apple Event for opening a document
 282 void hvApp::MacOpenFile(const wxString& filename)
 283 {
 284     wxBusyCursor bcur;
 285     wxFileName fileName(filename);
 286     m_helpController->AddBook(fileName);
 287     m_helpController->DisplayContents();
 288 }
 289 #endif
 290
 291
 292 /*
 293 * Art provider class
 294 */
 295
 296 // ---------------------------------------------------------------------
 297 // helper macros
 298 // ---------------------------------------------------------------------
 299
 300 // Standard macro for getting a resource from XPM file:
 301 #define ART(artId, xpmRc) \
 302 if ( id == artId ) return wxBitmap(xpmRc##_xpm);
 303
 304 #define GET_STD_ICON_FROM_APP(iconId)
 305
 306 // There are two ways of getting the standard icon: either via XPMs or via
 307 // wxIcon ctor. This depends on the platform:
 308 #if defined(__WXUNIVERSAL__)
 309 #define CREATE_STD_ICON(iconId, xpmRc) return wxNullBitmap;
 310 #elif defined(__WXGTK__) || defined(__WXMOTIF__)
 311 #define CREATE_STD_ICON(iconId, xpmRc) return wxBitmap(xpmRc##_xpm);
 312 #else
 313 #define CREATE_STD_ICON(iconId, xpmRc) \
 314 { \
 315     wxIcon icon(_T(iconId)); \
 316     wxBitmap bmp; \
 317     bmp.CopyFromIcon(icon); \
 318     return bmp; \
 319 }
 320 #endif
 321
 322 // Macro used in CreateBitmap to get wxICON_FOO icons:
 323 #define ART_MSGBOX(artId, iconId, xpmRc) \
 324     if ( id == artId ) \
 325 { \
 326     GET_STD_ICON_FROM_APP(iconId) \
 327     CREATE_STD_ICON(#iconId, xpmRc) \
 328 }
 329
 330 // ---------------------------------------------------------------------
 331 // XPMs with the art
 332 // ---------------------------------------------------------------------
 333
 334 // XPM hack: make the arrays const
 335 //#define static static const
 336
 337 #include "bitmaps/helpback.xpm"
 338 #include "bitmaps/helpbook.xpm"
 339 #include "bitmaps/helpdown.xpm"
 340 #include "bitmaps/helpforward.xpm"
 341 #include "bitmaps/helpoptions.xpm"
 342 #include "bitmaps/helppage.xpm"
 343 #include "bitmaps/helpsidepanel.xpm"
 344 #include "bitmaps/helpup.xpm"
 345 #include "bitmaps/helpuplevel.xpm"
 346 #include "bitmaps/helpicon.xpm"
 347 #include "bitmaps/helpopen.xpm"
 348
 349 //#undef static
 350
 351 // ---------------------------------------------------------------------
 352 // CreateBitmap routine
 353 // ---------------------------------------------------------------------
 354
 355 wxBitmap AlternateArtProvider::CreateBitmap(const wxArtID& id,
 356                                             const wxArtClient& client,
 357                                             const wxSize& WXUNUSED(size))
 358 {
 359     ART(wxART_HELP_SIDE_PANEL,                     helpsidepanel)
 360         ART(wxART_HELP_SETTINGS,                       helpoptions)
 361         ART(wxART_HELP_BOOK,                           helpbook)
 362         ART(wxART_HELP_FOLDER,                         helpbook)
 363         ART(wxART_HELP_PAGE,                           helppage)
 364         //ART(wxART_ADD_BOOKMARK,                        addbookm)
 365         //ART(wxART_DEL_BOOKMARK,                        delbookm)
 366         ART(wxART_GO_BACK,                             helpback)
 367         ART(wxART_GO_FORWARD,                          helpforward)
 368         ART(wxART_GO_UP,                               helpup)
 369         ART(wxART_GO_DOWN,                             helpdown)
 370         ART(wxART_GO_TO_PARENT,                        helpuplevel)
 371         ART(wxART_FILE_OPEN,                           helpopen)
 372         if (client == wxART_HELP_BROWSER)
 373         {
 374             //ART(wxART_FRAME_ICON,                          helpicon)
 375             ART(wxART_HELP,                          helpicon)
 376         }
 377
 378         //ART(wxART_GO_HOME,                             home)
 379
 380         // Any wxWidgets icons not implemented here
 381         // will be provided by the default art provider.
 382         return wxNullBitmap;
 383 }
 384
 385 #if wxUSE_IPC
 386
 387 wxConnectionBase *hvServer::OnAcceptConnection(const wxString& topic)
 388 {
 389     if (topic == wxT("HELP"))
 390         return new hvConnection();
 391     else
 392         return NULL;
 393 }
 394
 395 // ----------------------------------------------------------------------------
 396 // hvConnection
 397 // ----------------------------------------------------------------------------
 398
 399 hvConnection::hvConnection()
 400 : wxConnection()
 401 {
 402     wxGetApp().GetConnections().Append(this);
 403 }
 404
 405 hvConnection::~hvConnection()
 406 {
 407     wxGetApp().GetConnections().DeleteObject(this);
 408 }
 409
 410 bool hvConnection::OnExecute(const wxString& WXUNUSED(topic),
 411                              wxChar *data,
 412                              int WXUNUSED(size),
 413                              wxIPCFormat WXUNUSED(format))
 414 {
 415     //    wxLogStatus("Execute command: %s", data);
 416
 417     if ( !wxStrncmp( data, wxT("--intstring"), 11 ) )
 418     {
 419         long i;
 420         wxString argStr = data;
 421         wxString numb = argStr.AfterLast(wxT('g'));
 422         if ( !(numb.ToLong(&i) ) )
 423         {
 424             wxLogError( wxT("Integer conversion failed for --intstring") );
 425         }
 426         else
 427         {
 428             wxGetApp().GetHelpController()->Display(int(i));
 429         }
 430     }
 431     else
 432     {
 433         wxGetApp().GetHelpController()->Display(data);
 434     }
 435
 436     return true;
 437 }
 438
 439 bool hvConnection::OnPoke(const wxString& WXUNUSED(topic),
 440                           const wxString& item,
 441                           wxChar *data,
 442                           int WXUNUSED(size),
 443                           wxIPCFormat WXUNUSED(format))
 444 {
 445     //    wxLogStatus("Poke command: %s = %s", item.c_str(), data);
 446     //topic is not tested
 447
 448     if ( wxGetApp().GetHelpController() )
 449     {
 450         if ( item == wxT("--AddBook") )
 451         {
 452             wxGetApp().GetHelpController()->AddBook(data);
 453         }
 454         else if ( item == wxT("--DisplayContents") )
 455         {
 456             wxGetApp().GetHelpController()->DisplayContents();
 457         }
 458         else if ( item == wxT("--DisplayIndex") )
 459         {
 460             wxGetApp().GetHelpController()->DisplayIndex();
 461         }
 462         else if ( item == wxT("--KeywordSearch") )
 463         {
 464             wxGetApp().GetHelpController()->KeywordSearch(data);
 465         }
 466         else if ( item == wxT("--SetTitleFormat") )
 467         {
 468             wxString newname = data;
 469             newname.Replace( wxT("_"), wxT(" ") );
 470             wxGetApp().GetHelpController()->SetTitleFormat(newname);
 471             //does not redraw title bar?
 472             //wxGetApp().GetHelpController()->ReFresh(); - or something
 473         }
 474         else if ( item == wxT("--SetTempDir") )
 475         {
 476             wxGetApp().GetHelpController()->SetTempDir(data);
 477         }
 478         else if ( item == wxT("--YouAreDead") )
 479         {
 480             // don't really know how to kill app from down here...
 481             // use wxKill from client instead
 482             //wxWindow *win = wxTheApp->GetTopWindow();
 483             //if ( win )
 484             //    win->Destroy();
 485         }
 486     }
 487
 488     return true;
 489 }
 490
 491 wxChar *hvConnection::OnRequest(const wxString& WXUNUSED(topic),
 492                                 const wxString& WXUNUSED(item),
 493                                 int * WXUNUSED(size),
 494                                 wxIPCFormat WXUNUSED(format))
 495 {
 496     return NULL;
 497 }
 498
 499 bool hvConnection::OnStartAdvise(const wxString& WXUNUSED(topic),
 500                                  const wxString& WXUNUSED(item))
 501 {
 502     return true;
 503 }
 504
 505 #endif // #if wxUSE_IPC