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 #ifdef __GNUG__
  14 #pragma implementation "help.cpp"
  15 #endif
  16
  17 // For compilers that support precompilation, includes "wx/wx.h".
  18 #include "wx/wxprec.h"
  19
  20 #ifdef __BORLANDC__
  21 #pragma hdrstop
  22 #endif
  23
  24 // for all others, include the necessary headers (this file is usually all you
  25 // need because it includes almost all "standard" wxWidgets headers
  26 #ifndef WX_PRECOMP
  27 #include "wx/wx.h"
  28 #endif
  29
  30 #include "wx/filename.h"
  31 #include "wx/image.h"
  32 #include "wx/wxhtml.h"
  33 #include "wx/fs_zip.h"
  34 #include "wx/log.h"
  35 #include "wx/artprov.h"
  36 #include "wx/filedlg.h"
  37
  38 #include "helpview.h"
  39
  40 class AlternateArtProvider : public wxArtProvider
  41 {
  42 protected:
  43     virtual wxBitmap CreateBitmap(const wxArtID& id, const wxArtClient& client,
  44                                   const wxSize& size);
  45 };
  46
  47 IMPLEMENT_APP(hvApp)
  48
  49 hvApp::hvApp()
  50 {
  51 #if hvUSE_IPC
  52     m_server = NULL;
  53 #endif
  54 }
  55
  56 bool hvApp::OnInit()
  57 {
  58 #ifdef __WXMOTIF__
  59     delete wxLog::SetActiveTarget(new wxLogStderr); // So dialog boxes aren't used
  60 #endif
  61
  62     wxArtProvider::PushProvider(new AlternateArtProvider);
  63
  64 #ifdef __WXMAC__
  65     wxApp::s_macAboutMenuItemId = wxID_ABOUT;
  66     wxFileName::MacRegisterDefaultTypeAndCreator( "htb" , 'HTBD' , 'HTBA' ) ;
  67 #endif
  68
  69     int istyle = wxHF_DEFAULT_STYLE;
  70
  71     wxString service, windowName, book[10], titleFormat, argStr;
  72     int bookCount = 0;
  73     int i;
  74     bool hasService = false;
  75     bool hasWindowName = false;
  76     bool createServer = false;
  77
  78 #if hvUSE_IPC
  79     m_server = NULL;
  80 #endif
  81
  82     // Help books are recognized by extension ".hhp" ".htb" or ".zip".
  83     // Service and window_name can occur anywhere in arguments,
  84     // but service must be first
  85     // Other arguments (topic?) could be added
  86
  87     //  modes of operation:
  88     //  1) no arguments - stand alone, prompt user for book
  89     //  2) books only - stand alone, open books
  90     //  3) "--server" as (any) arg - start connection with default service;
  91     //     also open any books passed as other arguments
  92     //  4) at least one argument which is not book, and not "--server" - take first
  93     //     such argument as service, second (if present) as window name,
  94     //     start service, open any books
  95
  96     for( i=1; i<argc; i++ )
  97     {
  98         argStr = argv[i];
  99
 100         if ( argStr.Find( wxT(".hhp") ) >= 0
 101             || argStr.Find( wxT(".htb") ) >= 0
 102             || argStr.Find( wxT(".zip") ) >= 0 )
 103         {
 104             book[bookCount] = argStr;
 105             bookCount++;
 106         }
 107         else if ( argStr == wxT("--server") )
 108         {
 109             createServer = true;
 110 #if defined(__WXMSW__)
 111             service = wxT("generic_helpservice");
 112 #elif defined(__UNIX__)
 113             service = wxT("/tmp/") + wxString(wxT("generic_helpservice"));
 114 #else
 115             service = wxT("4242");
 116 #endif
 117         }
 118         else if ( !hasService )
 119         {
 120             service = argStr;
 121             hasService = true;
 122             createServer = true;
 123         }
 124         else if ( !hasWindowName )
 125         {
 126             windowName = argStr;
 127             hasWindowName = true;
 128         }
 129         else if ( argStr.Find( wxT("--Style") )  >= 0 )
 130         {
 131             long i;
 132             wxString numb = argStr.AfterLast(wxT('e'));
 133             if ( !(numb.ToLong(&i) ) )
 134             {
 135                 wxLogError( wxT("Integer conversion failed for --Style") );
 136             }
 137             else
 138             {
 139                 istyle = i;
 140             }
 141         }
 142         else
 143         {
 144             //unknown - could be topic?
 145         }
 146     }
 147
 148     // No book - query user; but not on Mac, since there
 149     // may be an AppleEvent to open a document on the way
 150 #ifndef __WXMAC__
 151     if ( bookCount < 1 )
 152     {
 153         wxString s = wxFileSelector( wxT("Open help file"),
 154             wxGetCwd(),
 155             wxEmptyString,
 156             wxEmptyString,
 157             wxT("Help books (*.htb)|*.htb|Help books (*.zip)|*.zip|HTML Help Project (*.hhp)|*.hhp"),
 158             wxOPEN | wxFILE_MUST_EXIST,
 159             NULL);
 160
 161         if (!s.IsEmpty())
 162         {
 163             book[0] = s;
 164             bookCount = 1;
 165         }
 166     }
 167 #endif
 168
 169 #if hvUSE_IPC
 170
 171     if ( createServer )
 172     {
 173         // Create a new server
 174         m_server = new hvServer;
 175
 176         if ( !m_server->Create(service) )
 177         {
 178             wxString wxm = wxT("Server Create failed - service: ");
 179             wxString xxm = wxm << service;
 180             wxLogError( xxm );
 181             //if MSW quits here, probably another copy already exists
 182             return false;
 183         }
 184         createServer = false;
 185         wxUnusedVar(createServer);
 186     }
 187
 188 #endif  // hvUSE_IPC
 189
 190     //now add help
 191     wxInitAllImageHandlers();
 192     wxFileSystem::AddHandler(new wxZipFSHandler);
 193
 194     SetVendorName(wxT("wxWidgets") );
 195     SetAppName(wxT("wxHTMLHelpServer") );
 196     wxConfig::Get(); // create an instance
 197
 198     m_helpController = new wxHtmlHelpController( istyle );
 199
 200     if ( !hasWindowName )
 201     {
 202         titleFormat = wxT("Help: %s") ;
 203     }
 204     else
 205     {
 206         //remove underscores
 207         windowName.Replace( wxT("_"), wxT(" ") );
 208         titleFormat = windowName;
 209     }
 210
 211     m_helpController->SetTitleFormat( titleFormat );
 212
 213     for( i=0; i<bookCount; i++ )
 214     {
 215         wxFileName fileName(book[i]);
 216         m_helpController->AddBook(fileName);
 217     }
 218
 219 #ifdef __WXMOTIF__
 220     delete wxLog::SetActiveTarget(new wxLogGui);
 221 #endif
 222
 223     m_helpController->DisplayContents();
 224
 225     return true;
 226 }
 227
 228
 229 int hvApp::OnExit()
 230 {
 231 #if hvUSE_IPC
 232     wxNode* node = m_connections.GetFirst();
 233     while (node)
 234     {
 235         wxNode* next = node->GetNext();
 236         hvConnection* connection = (hvConnection*) node->GetData();
 237         connection->Disconnect();
 238         delete connection;
 239         node = next;
 240     }
 241     m_connections.Clear();
 242
 243     if (m_server)
 244     {
 245         delete m_server;
 246         m_server = NULL;
 247     }
 248 #endif
 249
 250     delete m_helpController;
 251     delete wxConfig::Set(NULL);
 252
 253     return 0;
 254 }
 255
 256 bool hvApp::OpenBook(wxHtmlHelpController* controller)
 257 {
 258     wxString s = wxFileSelector(_("Open help file"),
 259         wxGetCwd(),
 260         wxEmptyString,
 261         wxEmptyString,
 262         _(
 263         "Help books (*.htb)|*.htb|Help books (*.zip)|*.zip|\
 264         HTML Help Project (*.hhp)|*.hhp"),
 265         wxOPEN | wxFILE_MUST_EXIST,
 266         NULL);
 267
 268     if ( !s.empty() )
 269     {
 270         wxString ext = s.Right(4).Lower();
 271         if (ext == _T(".zip") || ext == _T(".htb") || ext == _T(".hhp"))
 272         {
 273             wxBusyCursor bcur;
 274             wxFileName fileName(s);
 275             controller->AddBook(fileName);
 276             return true;
 277         }
 278     }
 279
 280     return false;
 281 }
 282
 283 #ifdef __WXMAC__
 284 /// Respond to Apple Event for opening a document
 285 void hvApp::MacOpenFile(const wxString& filename)
 286 {
 287     wxBusyCursor bcur;
 288     wxFileName fileName(filename);
 289     m_helpController->AddBook(fileName);
 290     m_helpController->DisplayContents();
 291 }
 292 #endif
 293
 294
 295 /*
 296 * Art provider class
 297 */
 298
 299 // ---------------------------------------------------------------------
 300 // helper macros
 301 // ---------------------------------------------------------------------
 302
 303 // Standard macro for getting a resource from XPM file:
 304 #define ART(artId, xpmRc) \
 305 if ( id == artId ) return wxBitmap(xpmRc##_xpm);
 306
 307 // Compatibility hack to use wxApp::GetStdIcon of overriden by the user
 308 #if WXWIN_COMPATIBILITY_2_2
 309 #define GET_STD_ICON_FROM_APP(iconId) \
 310     if ( client == wxART_MESSAGE_BOX ) \
 311 { \
 312     wxIcon icon = wxTheApp->GetStdIcon(iconId); \
 313     if ( icon.Ok() ) \
 314 { \
 315     wxBitmap bmp; \
 316     bmp.CopyFromIcon(icon); \
 317     return bmp; \
 318 } \
 319 }
 320 #else
 321 #define GET_STD_ICON_FROM_APP(iconId)
 322 #endif
 323
 324 // There are two ways of getting the standard icon: either via XPMs or via
 325 // wxIcon ctor. This depends on the platform:
 326 #if defined(__WXUNIVERSAL__)
 327 #define CREATE_STD_ICON(iconId, xpmRc) return wxNullBitmap;
 328 #elif defined(__WXGTK__) || defined(__WXMOTIF__)
 329 #define CREATE_STD_ICON(iconId, xpmRc) return wxBitmap(xpmRc##_xpm);
 330 #else
 331 #define CREATE_STD_ICON(iconId, xpmRc) \
 332 { \
 333     wxIcon icon(_T(iconId)); \
 334     wxBitmap bmp; \
 335     bmp.CopyFromIcon(icon); \
 336     return bmp; \
 337 }
 338 #endif
 339
 340 // Macro used in CreateBitmap to get wxICON_FOO icons:
 341 #define ART_MSGBOX(artId, iconId, xpmRc) \
 342     if ( id == artId ) \
 343 { \
 344     GET_STD_ICON_FROM_APP(iconId) \
 345     CREATE_STD_ICON(#iconId, xpmRc) \
 346 }
 347
 348 // ---------------------------------------------------------------------
 349 // XPMs with the art
 350 // ---------------------------------------------------------------------
 351
 352 // XPM hack: make the arrays const
 353 //#define static static const
 354
 355 #include "bitmaps/helpback.xpm"
 356 #include "bitmaps/helpbook.xpm"
 357 #include "bitmaps/helpdown.xpm"
 358 #include "bitmaps/helpforward.xpm"
 359 #include "bitmaps/helpoptions.xpm"
 360 #include "bitmaps/helppage.xpm"
 361 #include "bitmaps/helpsidepanel.xpm"
 362 #include "bitmaps/helpup.xpm"
 363 #include "bitmaps/helpuplevel.xpm"
 364 #include "bitmaps/helpicon.xpm"
 365 #include "bitmaps/helpopen.xpm"
 366
 367 //#undef static
 368
 369 // ---------------------------------------------------------------------
 370 // CreateBitmap routine
 371 // ---------------------------------------------------------------------
 372
 373 wxBitmap AlternateArtProvider::CreateBitmap(const wxArtID& id,
 374                                             const wxArtClient& client,
 375                                             const wxSize& WXUNUSED(size))
 376 {
 377     ART(wxART_HELP_SIDE_PANEL,                     helpsidepanel)
 378         ART(wxART_HELP_SETTINGS,                       helpoptions)
 379         ART(wxART_HELP_BOOK,                           helpbook)
 380         ART(wxART_HELP_FOLDER,                         helpbook)
 381         ART(wxART_HELP_PAGE,                           helppage)
 382         //ART(wxART_ADD_BOOKMARK,                        addbookm)
 383         //ART(wxART_DEL_BOOKMARK,                        delbookm)
 384         ART(wxART_GO_BACK,                             helpback)
 385         ART(wxART_GO_FORWARD,                          helpforward)
 386         ART(wxART_GO_UP,                               helpup)
 387         ART(wxART_GO_DOWN,                             helpdown)
 388         ART(wxART_GO_TO_PARENT,                        helpuplevel)
 389         ART(wxART_FILE_OPEN,                           helpopen)
 390         if (client == wxART_HELP_BROWSER)
 391         {
 392             //ART(wxART_FRAME_ICON,                          helpicon)
 393             ART(wxART_HELP,                          helpicon)
 394         }
 395
 396         //ART(wxART_GO_HOME,                             home)
 397
 398         // Any wxWidgets icons not implemented here
 399         // will be provided by the default art provider.
 400         return wxNullBitmap;
 401 }
 402
 403 #if hvUSE_IPC
 404
 405 wxConnectionBase *hvServer::OnAcceptConnection(const wxString& topic)
 406 {
 407     if (topic == wxT("HELP"))
 408         return new hvConnection();
 409     else
 410         return NULL;
 411 }
 412
 413 // ----------------------------------------------------------------------------
 414 // hvConnection
 415 // ----------------------------------------------------------------------------
 416
 417 hvConnection::hvConnection()
 418 : wxConnection()
 419 {
 420     wxGetApp().GetConnections().Append(this);
 421 }
 422
 423 hvConnection::~hvConnection()
 424 {
 425     wxGetApp().GetConnections().DeleteObject(this);
 426 }
 427
 428 bool hvConnection::OnExecute(const wxString& WXUNUSED(topic),
 429                              wxChar *data,
 430                              int WXUNUSED(size),
 431                              wxIPCFormat WXUNUSED(format))
 432 {
 433     //    wxLogStatus("Execute command: %s", data);
 434
 435     if ( !wxStrncmp( data, wxT("--intstring"), 11 ) )
 436     {
 437         long i;
 438         wxString argStr = data;
 439         wxString numb = argStr.AfterLast(wxT('g'));
 440         if ( !(numb.ToLong(&i) ) )
 441         {
 442             wxLogError( wxT("Integer conversion failed for --intstring") );
 443         }
 444         else
 445         {
 446             wxGetApp().GetHelpController()->Display(int(i));
 447         }
 448     }
 449     else
 450     {
 451         wxGetApp().GetHelpController()->Display(data);
 452     }
 453
 454     return true;
 455 }
 456
 457 bool hvConnection::OnPoke(const wxString& WXUNUSED(topic),
 458                           const wxString& item,
 459                           wxChar *data,
 460                           int WXUNUSED(size),
 461                           wxIPCFormat WXUNUSED(format))
 462 {
 463     //    wxLogStatus("Poke command: %s = %s", item.c_str(), data);
 464     //topic is not tested
 465
 466     if ( wxGetApp().GetHelpController() )
 467     {
 468         if ( item == wxT("--AddBook") )
 469         {
 470             wxGetApp().GetHelpController()->AddBook(data);
 471         }
 472         else if ( item == wxT("--DisplayContents") )
 473         {
 474             wxGetApp().GetHelpController()->DisplayContents();
 475         }
 476         else if ( item == wxT("--DisplayIndex") )
 477         {
 478             wxGetApp().GetHelpController()->DisplayIndex();
 479         }
 480         else if ( item == wxT("--KeywordSearch") )
 481         {
 482             wxGetApp().GetHelpController()->KeywordSearch(data);
 483         }
 484         else if ( item == wxT("--SetTitleFormat") )
 485         {
 486             wxString newname = data;
 487             newname.Replace( wxT("_"), wxT(" ") );
 488             wxGetApp().GetHelpController()->SetTitleFormat(newname);
 489             //does not redraw title bar?
 490             //wxGetApp().GetHelpController()->ReFresh(); - or something
 491         }
 492         else if ( item == wxT("--SetTempDir") )
 493         {
 494             wxGetApp().GetHelpController()->SetTempDir(data);
 495         }
 496         else if ( item == wxT("--YouAreDead") )
 497         {
 498             // don't really know how to kill app from down here...
 499             // use wxKill from client instead
 500             //wxWindow *win = wxTheApp->GetTopWindow();
 501             //if ( win )
 502             //    win->Destroy();
 503         }
 504     }
 505
 506     return true;
 507 }
 508
 509 wxChar *hvConnection::OnRequest(const wxString& WXUNUSED(topic),
 510                                 const wxString& WXUNUSED(item),
 511                                 int * WXUNUSED(size),
 512                                 wxIPCFormat WXUNUSED(format))
 513 {
 514     return NULL;
 515 }
 516
 517 bool hvConnection::OnStartAdvise(const wxString& WXUNUSED(topic),
 518                                  const wxString& WXUNUSED(item))
 519 {
 520     return true;
 521 }
 522
 523 #endif // #if hvUSE_IPC