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