src/xrc/xmlres.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        src/xrc/xmlres.cpp
   3 // Purpose:     XRC resources
   4 // Author:      Vaclav Slavik
   5 // Created:     2000/03/05
   6 // RCS-ID:      $Id$
   7 // Copyright:   (c) 2000 Vaclav Slavik
   8 // Licence:     wxWindows licence
   9 /////////////////////////////////////////////////////////////////////////////
  10
  11 // For compilers that support precompilation, includes "wx.h".
  12 #include "wx/wxprec.h"
  13
  14 #ifdef __BORLANDC__
  15     #pragma hdrstop
  16 #endif
  17
  18 #if wxUSE_XRC
  19
  20 #include "wx/xrc/xmlres.h"
  21
  22 #ifndef WX_PRECOMP
  23     #include "wx/intl.h"
  24     #include "wx/log.h"
  25     #include "wx/panel.h"
  26     #include "wx/frame.h"
  27     #include "wx/dialog.h"
  28     #include "wx/settings.h"
  29     #include "wx/bitmap.h"
  30     #include "wx/image.h"
  31     #include "wx/module.h"
  32     #include "wx/wxcrtvararg.h"
  33 #endif
  34
  35 #ifndef __WXWINCE__
  36     #include <locale.h>
  37 #endif
  38
  39 #include "wx/vector.h"
  40 #include "wx/wfstream.h"
  41 #include "wx/filesys.h"
  42 #include "wx/filename.h"
  43 #include "wx/tokenzr.h"
  44 #include "wx/fontenum.h"
  45 #include "wx/fontmap.h"
  46 #include "wx/artprov.h"
  47
  48 #include "wx/xml/xml.h"
  49
  50
  51 class wxXmlResourceDataRecord
  52 {
  53 public:
  54     wxXmlResourceDataRecord() : Doc(NULL) {
  55 #if wxUSE_DATETIME
  56         Time = wxDateTime::Now();
  57 #endif
  58     }
  59     ~wxXmlResourceDataRecord() {delete Doc;}
  60
  61     wxString File;
  62     wxXmlDocument *Doc;
  63 #if wxUSE_DATETIME
  64     wxDateTime Time;
  65 #endif
  66 };
  67
  68 class wxXmlResourceDataRecords : public wxVector<wxXmlResourceDataRecord*>
  69 {
  70     // this is a class so that it can be forward-declared
  71 };
  72
  73
  74 wxXmlResource *wxXmlResource::ms_instance = NULL;
  75
  76 /*static*/ wxXmlResource *wxXmlResource::Get()
  77 {
  78     if ( !ms_instance )
  79         ms_instance = new wxXmlResource;
  80     return ms_instance;
  81 }
  82
  83 /*static*/ wxXmlResource *wxXmlResource::Set(wxXmlResource *res)
  84 {
  85     wxXmlResource *old = ms_instance;
  86     ms_instance = res;
  87     return old;
  88 }
  89
  90 wxXmlResource::wxXmlResource(int flags, const wxString& domain)
  91 {
  92     m_flags = flags;
  93     m_version = -1;
  94     m_data = new wxXmlResourceDataRecords;
  95     SetDomain(domain);
  96 }
  97
  98 wxXmlResource::wxXmlResource(const wxString& filemask, int flags, const wxString& domain)
  99 {
 100     m_flags = flags;
 101     m_version = -1;
 102     m_data = new wxXmlResourceDataRecords;
 103     SetDomain(domain);
 104     Load(filemask);
 105 }
 106
 107 wxXmlResource::~wxXmlResource()
 108 {
 109     ClearHandlers();
 110
 111     for ( wxXmlResourceDataRecords::iterator i = m_data->begin();
 112           i != m_data->end(); ++i )
 113     {
 114         delete *i;
 115     }
 116     delete m_data;
 117 }
 118
 119 void wxXmlResource::SetDomain(const wxString& domain)
 120 {
 121     m_domain = domain;
 122 }
 123
 124
 125 /* static */
 126 wxString wxXmlResource::ConvertFileNameToURL(const wxString& filename)
 127 {
 128     wxString fnd(filename);
 129
 130     // NB: as Load() and Unload() accept both filenames and URLs (should
 131     //     probably be changed to filenames only, but embedded resources
 132     //     currently rely on its ability to handle URLs - FIXME) we need to
 133     //     determine whether found name is filename and not URL and this is the
 134     //     fastest/simplest way to do it
 135     if (wxFileName::FileExists(fnd))
 136     {
 137         // Make the name absolute filename, because the app may
 138         // change working directory later:
 139         wxFileName fn(fnd);
 140         if (fn.IsRelative())
 141         {
 142             fn.MakeAbsolute();
 143             fnd = fn.GetFullPath();
 144         }
 145 #if wxUSE_FILESYSTEM
 146         fnd = wxFileSystem::FileNameToURL(fnd);
 147 #endif
 148     }
 149
 150     return fnd;
 151 }
 152
 153 #if wxUSE_FILESYSTEM
 154
 155 /* static */
 156 bool wxXmlResource::IsArchive(const wxString& filename)
 157 {
 158     const wxString fnd = filename.Lower();
 159
 160     return fnd.Matches(wxT("*.zip")) || fnd.Matches(wxT("*.xrs"));
 161 }
 162
 163 #endif // wxUSE_FILESYSTEM
 164
 165 bool wxXmlResource::Load(const wxString& filemask)
 166 {
 167     wxString fnd;
 168     bool iswild = wxIsWild(filemask);
 169     bool rt = true;
 170
 171 #if wxUSE_FILESYSTEM
 172     wxFileSystem fsys;
 173 #   define wxXmlFindFirst  fsys.FindFirst(filemask, wxFILE)
 174 #   define wxXmlFindNext   fsys.FindNext()
 175 #else
 176 #   define wxXmlFindFirst  wxFindFirstFile(filemask, wxFILE)
 177 #   define wxXmlFindNext   wxFindNextFile()
 178 #endif
 179     if (iswild)
 180         fnd = wxXmlFindFirst;
 181     else
 182         fnd = filemask;
 183     while (!fnd.empty())
 184     {
 185         fnd = ConvertFileNameToURL(fnd);
 186
 187 #if wxUSE_FILESYSTEM
 188         if ( IsArchive(fnd) )
 189         {
 190             rt = rt && Load(fnd + wxT("#zip:*.xrc"));
 191         }
 192         else // a single resource URL
 193 #endif // wxUSE_FILESYSTEM
 194         {
 195             wxXmlResourceDataRecord *drec = new wxXmlResourceDataRecord;
 196             drec->File = fnd;
 197             Data().push_back(drec);
 198         }
 199
 200         if (iswild)
 201             fnd = wxXmlFindNext;
 202         else
 203             fnd = wxEmptyString;
 204     }
 205 #   undef wxXmlFindFirst
 206 #   undef wxXmlFindNext
 207     return rt && UpdateResources();
 208 }
 209
 210 bool wxXmlResource::Unload(const wxString& filename)
 211 {
 212     wxASSERT_MSG( !wxIsWild(filename),
 213                     _T("wildcards not supported by wxXmlResource::Unload()") );
 214
 215     wxString fnd = ConvertFileNameToURL(filename);
 216 #if wxUSE_FILESYSTEM
 217     const bool isArchive = IsArchive(fnd);
 218     if ( isArchive )
 219         fnd += _T("#zip:");
 220 #endif // wxUSE_FILESYSTEM
 221
 222     bool unloaded = false;
 223     for ( wxXmlResourceDataRecords::iterator i = Data().begin();
 224           i != Data().end(); ++i )
 225     {
 226 #if wxUSE_FILESYSTEM
 227         if ( isArchive )
 228         {
 229             if ( (*i)->File.StartsWith(fnd) )
 230                 unloaded = true;
 231             // don't break from the loop, we can have other matching files
 232         }
 233         else // a single resource URL
 234 #endif // wxUSE_FILESYSTEM
 235         {
 236             if ( (*i)->File == fnd )
 237             {
 238                 delete *i;
 239                 Data().erase(i);
 240                 unloaded = true;
 241
 242                 // no sense in continuing, there is only one file with this URL
 243                 break;
 244             }
 245         }
 246     }
 247
 248     return unloaded;
 249 }
 250
 251
 252 IMPLEMENT_ABSTRACT_CLASS(wxXmlResourceHandler, wxObject)
 253
 254 void wxXmlResource::AddHandler(wxXmlResourceHandler *handler)
 255 {
 256     m_handlers.push_back(handler);
 257     handler->SetParentResource(this);
 258 }
 259
 260 void wxXmlResource::InsertHandler(wxXmlResourceHandler *handler)
 261 {
 262     m_handlers.insert(m_handlers.begin(), handler);
 263     handler->SetParentResource(this);
 264 }
 265
 266
 267
 268 void wxXmlResource::ClearHandlers()
 269 {
 270     for ( wxVector<wxXmlResourceHandler*>::iterator i = m_handlers.begin();
 271           i != m_handlers.end(); ++i )
 272         delete *i;
 273     m_handlers.clear();
 274 }
 275
 276
 277 wxMenu *wxXmlResource::LoadMenu(const wxString& name)
 278 {
 279     return (wxMenu*)CreateResFromNode(FindResource(name, wxT("wxMenu")), NULL, NULL);
 280 }
 281
 282
 283
 284 wxMenuBar *wxXmlResource::LoadMenuBar(wxWindow *parent, const wxString& name)
 285 {
 286     return (wxMenuBar*)CreateResFromNode(FindResource(name, wxT("wxMenuBar")), parent, NULL);
 287 }
 288
 289
 290
 291 #if wxUSE_TOOLBAR
 292 wxToolBar *wxXmlResource::LoadToolBar(wxWindow *parent, const wxString& name)
 293 {
 294     return (wxToolBar*)CreateResFromNode(FindResource(name, wxT("wxToolBar")), parent, NULL);
 295 }
 296 #endif
 297
 298
 299 wxDialog *wxXmlResource::LoadDialog(wxWindow *parent, const wxString& name)
 300 {
 301     return (wxDialog*)CreateResFromNode(FindResource(name, wxT("wxDialog")), parent, NULL);
 302 }
 303
 304 bool wxXmlResource::LoadDialog(wxDialog *dlg, wxWindow *parent, const wxString& name)
 305 {
 306     return CreateResFromNode(FindResource(name, wxT("wxDialog")), parent, dlg) != NULL;
 307 }
 308
 309
 310
 311 wxPanel *wxXmlResource::LoadPanel(wxWindow *parent, const wxString& name)
 312 {
 313     return (wxPanel*)CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, NULL);
 314 }
 315
 316 bool wxXmlResource::LoadPanel(wxPanel *panel, wxWindow *parent, const wxString& name)
 317 {
 318     return CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, panel) != NULL;
 319 }
 320
 321 wxFrame *wxXmlResource::LoadFrame(wxWindow* parent, const wxString& name)
 322 {
 323     return (wxFrame*)CreateResFromNode(FindResource(name, wxT("wxFrame")), parent, NULL);
 324 }
 325
 326 bool wxXmlResource::LoadFrame(wxFrame* frame, wxWindow *parent, const wxString& name)
 327 {
 328     return CreateResFromNode(FindResource(name, wxT("wxFrame")), parent, frame) != NULL;
 329 }
 330
 331 wxBitmap wxXmlResource::LoadBitmap(const wxString& name)
 332 {
 333     wxBitmap *bmp = (wxBitmap*)CreateResFromNode(
 334                                FindResource(name, wxT("wxBitmap")), NULL, NULL);
 335     wxBitmap rt;
 336
 337     if (bmp) { rt = *bmp; delete bmp; }
 338     return rt;
 339 }
 340
 341 wxIcon wxXmlResource::LoadIcon(const wxString& name)
 342 {
 343     wxIcon *icon = (wxIcon*)CreateResFromNode(
 344                             FindResource(name, wxT("wxIcon")), NULL, NULL);
 345     wxIcon rt;
 346
 347     if (icon) { rt = *icon; delete icon; }
 348     return rt;
 349 }
 350
 351
 352 wxObject *wxXmlResource::LoadObject(wxWindow *parent, const wxString& name, const wxString& classname)
 353 {
 354     return CreateResFromNode(FindResource(name, classname), parent, NULL);
 355 }
 356
 357 bool wxXmlResource::LoadObject(wxObject *instance, wxWindow *parent, const wxString& name, const wxString& classname)
 358 {
 359     return CreateResFromNode(FindResource(name, classname), parent, instance) != NULL;
 360 }
 361
 362
 363 bool wxXmlResource::AttachUnknownControl(const wxString& name,
 364                                          wxWindow *control, wxWindow *parent)
 365 {
 366     if (parent == NULL)
 367         parent = control->GetParent();
 368     wxWindow *container = parent->FindWindow(name + wxT("_container"));
 369     if (!container)
 370     {
 371         wxLogError(_("Cannot find container for unknown control '%s'."), name.c_str());
 372         return false;
 373     }
 374     return control->Reparent(container);
 375 }
 376
 377
 378 static void ProcessPlatformProperty(wxXmlNode *node)
 379 {
 380     wxString s;
 381     bool isok;
 382
 383     wxXmlNode *c = node->GetChildren();
 384     while (c)
 385     {
 386         isok = false;
 387         if (!c->GetAttribute(wxT("platform"), &s))
 388             isok = true;
 389         else
 390         {
 391             wxStringTokenizer tkn(s, wxT(" |"));
 392
 393             while (tkn.HasMoreTokens())
 394             {
 395                 s = tkn.GetNextToken();
 396 #ifdef __WINDOWS__
 397                 if (s == wxT("win")) isok = true;
 398 #endif
 399 #if defined(__MAC__) || defined(__APPLE__)
 400                 if (s == wxT("mac")) isok = true;
 401 #elif defined(__UNIX__)
 402                 if (s == wxT("unix")) isok = true;
 403 #endif
 404 #ifdef __OS2__
 405                 if (s == wxT("os2")) isok = true;
 406 #endif
 407
 408                 if (isok)
 409                     break;
 410             }
 411         }
 412
 413         if (isok)
 414         {
 415             ProcessPlatformProperty(c);
 416             c = c->GetNext();
 417         }
 418         else
 419         {
 420             wxXmlNode *c2 = c->GetNext();
 421             node->RemoveChild(c);
 422             delete c;
 423             c = c2;
 424         }
 425     }
 426 }
 427
 428
 429
 430 bool wxXmlResource::UpdateResources()
 431 {
 432     bool rt = true;
 433     bool modif;
 434 #   if wxUSE_FILESYSTEM
 435     wxFSFile *file = NULL;
 436     wxUnusedVar(file);
 437     wxFileSystem fsys;
 438 #   endif
 439
 440     wxString encoding(wxT("UTF-8"));
 441 #if !wxUSE_UNICODE && wxUSE_INTL
 442     if ( (GetFlags() & wxXRC_USE_LOCALE) == 0 )
 443     {
 444         // In case we are not using wxLocale to translate strings, convert the
 445         // strings GUI's charset. This must not be done when wxXRC_USE_LOCALE
 446         // is on, because it could break wxGetTranslation lookup.
 447         encoding = wxLocale::GetSystemEncodingName();
 448     }
 449 #endif
 450
 451     for ( wxXmlResourceDataRecords::iterator i = Data().begin();
 452           i != Data().end(); ++i )
 453     {
 454         wxXmlResourceDataRecord* const rec = *i;
 455
 456         modif = (rec->Doc == NULL);
 457
 458         if (!modif && !(m_flags & wxXRC_NO_RELOADING))
 459         {
 460 #           if wxUSE_FILESYSTEM
 461             file = fsys.OpenFile(rec->File);
 462 #           if wxUSE_DATETIME
 463             modif = file && file->GetModificationTime() > rec->Time;
 464 #           else // wxUSE_DATETIME
 465             modif = true;
 466 #           endif // wxUSE_DATETIME
 467             if (!file)
 468             {
 469                 wxLogError(_("Cannot open file '%s'."), rec->File);
 470                 rt = false;
 471             }
 472             wxDELETE(file);
 473             wxUnusedVar(file);
 474 #           else // wxUSE_FILESYSTEM
 475 #           if wxUSE_DATETIME
 476             modif = wxDateTime(wxFileModificationTime(rec->File)) > rec->Time;
 477 #           else // wxUSE_DATETIME
 478             modif = true;
 479 #           endif // wxUSE_DATETIME
 480 #           endif // wxUSE_FILESYSTEM
 481         }
 482
 483         if (modif)
 484         {
 485             wxLogTrace(_T("xrc"), _T("opening file '%s'"), rec->File);
 486
 487             wxInputStream *stream = NULL;
 488
 489 #           if wxUSE_FILESYSTEM
 490             file = fsys.OpenFile(rec->File);
 491             if (file)
 492                 stream = file->GetStream();
 493 #           else
 494             stream = new wxFileInputStream(rec->File);
 495 #           endif
 496
 497             if (stream)
 498             {
 499                 delete rec->Doc;
 500                 rec->Doc = new wxXmlDocument;
 501             }
 502             if (!stream || !rec->Doc->Load(*stream, encoding))
 503             {
 504                 wxLogError(_("Cannot load resources from file '%s'."),
 505                            rec->File);
 506                 wxDELETE(rec->Doc);
 507                 rt = false;
 508             }
 509             else if (rec->Doc->GetRoot()->GetName() != wxT("resource"))
 510             {
 511                 wxLogError(_("Invalid XRC resource '%s': doesn't have root node 'resource'."), rec->File);
 512                 wxDELETE(rec->Doc);
 513                 rt = false;
 514             }
 515             else
 516             {
 517                 long version;
 518                 int v1, v2, v3, v4;
 519                 wxString verstr = rec->Doc->GetRoot()->GetAttribute(
 520                                       wxT("version"), wxT("0.0.0.0"));
 521                 if (wxSscanf(verstr.c_str(), wxT("%i.%i.%i.%i"),
 522                     &v1, &v2, &v3, &v4) == 4)
 523                     version = v1*256*256*256+v2*256*256+v3*256+v4;
 524                 else
 525                     version = 0;
 526                 if (m_version == -1)
 527                     m_version = version;
 528                 if (m_version != version)
 529                 {
 530                     wxLogError(_("Resource files must have same version number!"));
 531                     rt = false;
 532                 }
 533
 534                 ProcessPlatformProperty(rec->Doc->GetRoot());
 535 #if wxUSE_DATETIME
 536 #if wxUSE_FILESYSTEM
 537                 rec->Time = file->GetModificationTime();
 538 #else // wxUSE_FILESYSTEM
 539                 rec->Time = wxDateTime(wxFileModificationTime(rec->File));
 540 #endif // wxUSE_FILESYSTEM
 541 #endif // wxUSE_DATETIME
 542             }
 543
 544 #           if wxUSE_FILESYSTEM
 545                 wxDELETE(file);
 546                 wxUnusedVar(file);
 547 #           else
 548                 wxDELETE(stream);
 549 #           endif
 550         }
 551     }
 552
 553     return rt;
 554 }
 555
 556
 557 wxXmlNode *wxXmlResource::DoFindResource(wxXmlNode *parent,
 558                                          const wxString& name,
 559                                          const wxString& classname,
 560                                          bool recursive)
 561 {
 562     wxString dummy;
 563     wxXmlNode *node;
 564
 565     // first search for match at the top-level nodes (as this is
 566     // where the resource is most commonly looked for):
 567     for (node = parent->GetChildren(); node; node = node->GetNext())
 568     {
 569         if ( node->GetType() == wxXML_ELEMENT_NODE &&
 570                  (node->GetName() == wxT("object") ||
 571                   node->GetName() == wxT("object_ref")) &&
 572              node->GetAttribute(wxT("name"), &dummy) && dummy == name )
 573         {
 574             wxString cls(node->GetAttribute(wxT("class"), wxEmptyString));
 575             if (!classname || cls == classname)
 576                 return node;
 577             // object_ref may not have 'class' attribute:
 578             if (cls.empty() && node->GetName() == wxT("object_ref"))
 579             {
 580                 wxString refName = node->GetAttribute(wxT("ref"), wxEmptyString);
 581                 if (refName.empty())
 582                     continue;
 583                 wxXmlNode* refNode = FindResource(refName, wxEmptyString, true);
 584                 if (refNode &&
 585                     refNode->GetAttribute(wxT("class"), wxEmptyString) == classname)
 586                 {
 587                     return node;
 588                 }
 589             }
 590         }
 591     }
 592
 593     if ( recursive )
 594         for (node = parent->GetChildren(); node; node = node->GetNext())
 595         {
 596             if ( node->GetType() == wxXML_ELEMENT_NODE &&
 597                  (node->GetName() == wxT("object") ||
 598                   node->GetName() == wxT("object_ref")) )
 599             {
 600                 wxXmlNode* found = DoFindResource(node, name, classname, true);
 601                 if ( found )
 602                     return found;
 603             }
 604         }
 605
 606    return NULL;
 607 }
 608
 609 wxXmlNode *wxXmlResource::FindResource(const wxString& name,
 610                                        const wxString& classname,
 611                                        bool recursive)
 612 {
 613     UpdateResources(); //ensure everything is up-to-date
 614
 615     wxString dummy;
 616     for ( wxXmlResourceDataRecords::const_iterator f = Data().begin();
 617           f != Data().end(); ++f )
 618     {
 619         wxXmlResourceDataRecord* const rec = *f;
 620         if ( rec->Doc == NULL || rec->Doc->GetRoot() == NULL )
 621             continue;
 622
 623         wxXmlNode* found = DoFindResource(rec->Doc->GetRoot(),
 624                                           name, classname, recursive);
 625         if ( found )
 626         {
 627 #if wxUSE_FILESYSTEM
 628             m_curFileSystem.ChangePathTo(rec->File);
 629 #endif
 630             return found;
 631         }
 632     }
 633
 634     wxLogError(_("XRC resource '%s' (class '%s') not found!"),
 635                name.c_str(), classname.c_str());
 636     return NULL;
 637 }
 638
 639 static void MergeNodes(wxXmlNode& dest, wxXmlNode& with)
 640 {
 641     // Merge attributes:
 642     for ( wxXmlAttribute *attr = with.GetAttributes();
 643           attr; attr = attr->GetNext() )
 644     {
 645         wxXmlAttribute *dattr;
 646         for (dattr = dest.GetAttributes(); dattr; dattr = dattr->GetNext())
 647         {
 648
 649             if ( dattr->GetName() == attr->GetName() )
 650             {
 651                 dattr->SetValue(attr->GetValue());
 652                 break;
 653             }
 654         }
 655
 656         if ( !dattr )
 657             dest.AddAttribute(attr->GetName(), attr->GetValue());
 658    }
 659
 660     // Merge child nodes:
 661     for (wxXmlNode* node = with.GetChildren(); node; node = node->GetNext())
 662     {
 663         wxString name = node->GetAttribute(wxT("name"), wxEmptyString);
 664         wxXmlNode *dnode;
 665
 666         for (dnode = dest.GetChildren(); dnode; dnode = dnode->GetNext() )
 667         {
 668             if ( dnode->GetName() == node->GetName() &&
 669                  dnode->GetAttribute(wxT("name"), wxEmptyString) == name &&
 670                  dnode->GetType() == node->GetType() )
 671             {
 672                 MergeNodes(*dnode, *node);
 673                 break;
 674             }
 675         }
 676
 677         if ( !dnode )
 678         {
 679             static const wxChar *AT_END = wxT("end");
 680             wxString insert_pos = node->GetAttribute(wxT("insert_at"), AT_END);
 681             if ( insert_pos == AT_END )
 682             {
 683                 dest.AddChild(new wxXmlNode(*node));
 684             }
 685             else if ( insert_pos == wxT("begin") )
 686             {
 687                 dest.InsertChild(new wxXmlNode(*node), dest.GetChildren());
 688             }
 689         }
 690     }
 691
 692     if ( dest.GetType() == wxXML_TEXT_NODE && with.GetContent().length() )
 693          dest.SetContent(with.GetContent());
 694 }
 695
 696 wxObject *wxXmlResource::CreateResFromNode(wxXmlNode *node, wxObject *parent,
 697                                            wxObject *instance,
 698                                            wxXmlResourceHandler *handlerToUse)
 699 {
 700     if (node == NULL) return NULL;
 701
 702     // handling of referenced resource
 703     if ( node->GetName() == wxT("object_ref") )
 704     {
 705         wxString refName = node->GetAttribute(wxT("ref"), wxEmptyString);
 706         wxXmlNode* refNode = FindResource(refName, wxEmptyString, true);
 707
 708         if ( !refNode )
 709         {
 710             wxLogError(_("Referenced object node with ref=\"%s\" not found!"),
 711                        refName.c_str());
 712             return NULL;
 713         }
 714
 715         wxXmlNode copy(*refNode);
 716         MergeNodes(copy, *node);
 717
 718         return CreateResFromNode(&copy, parent, instance);
 719     }
 720
 721     if (handlerToUse)
 722     {
 723         if (handlerToUse->CanHandle(node))
 724         {
 725             return handlerToUse->CreateResource(node, parent, instance);
 726         }
 727     }
 728     else if (node->GetName() == wxT("object"))
 729     {
 730         for ( wxVector<wxXmlResourceHandler*>::iterator h = m_handlers.begin();
 731               h != m_handlers.end(); ++h )
 732         {
 733             wxXmlResourceHandler *handler = *h;
 734             if (handler->CanHandle(node))
 735                 return handler->CreateResource(node, parent, instance);
 736         }
 737     }
 738
 739     wxLogError(_("No handler found for XML node '%s', class '%s'!"),
 740                node->GetName().c_str(),
 741                node->GetAttribute(wxT("class"), wxEmptyString).c_str());
 742     return NULL;
 743 }
 744
 745
 746 class wxXmlSubclassFactories : public wxVector<wxXmlSubclassFactory*>
 747 {
 748     // this is a class so that it can be forward-declared
 749 };
 750
 751 wxXmlSubclassFactories *wxXmlResource::ms_subclassFactories = NULL;
 752
 753 /*static*/ void wxXmlResource::AddSubclassFactory(wxXmlSubclassFactory *factory)
 754 {
 755     if (!ms_subclassFactories)
 756     {
 757         ms_subclassFactories = new wxXmlSubclassFactories;
 758     }
 759     ms_subclassFactories->push_back(factory);
 760 }
 761
 762 class wxXmlSubclassFactoryCXX : public wxXmlSubclassFactory
 763 {
 764 public:
 765     ~wxXmlSubclassFactoryCXX() {}
 766
 767     wxObject *Create(const wxString& className)
 768     {
 769         wxClassInfo* classInfo = wxClassInfo::FindClass(className);
 770
 771         if (classInfo)
 772             return classInfo->CreateObject();
 773         else
 774             return NULL;
 775     }
 776 };
 777
 778
 779
 780
 781 wxXmlResourceHandler::wxXmlResourceHandler()
 782         : m_node(NULL), m_parent(NULL), m_instance(NULL),
 783           m_parentAsWindow(NULL)
 784 {}
 785
 786
 787
 788 wxObject *wxXmlResourceHandler::CreateResource(wxXmlNode *node, wxObject *parent, wxObject *instance)
 789 {
 790     wxXmlNode *myNode = m_node;
 791     wxString myClass = m_class;
 792     wxObject *myParent = m_parent, *myInstance = m_instance;
 793     wxWindow *myParentAW = m_parentAsWindow;
 794
 795     m_instance = instance;
 796     if (!m_instance && node->HasAttribute(wxT("subclass")) &&
 797         !(m_resource->GetFlags() & wxXRC_NO_SUBCLASSING))
 798     {
 799         wxString subclass = node->GetAttribute(wxT("subclass"), wxEmptyString);
 800         if (!subclass.empty())
 801         {
 802             for (wxXmlSubclassFactories::iterator i = wxXmlResource::ms_subclassFactories->begin();
 803                  i != wxXmlResource::ms_subclassFactories->end(); ++i)
 804             {
 805                 m_instance = (*i)->Create(subclass);
 806                 if (m_instance)
 807                     break;
 808             }
 809
 810             if (!m_instance)
 811             {
 812                 wxString name = node->GetAttribute(wxT("name"), wxEmptyString);
 813                 wxLogError(_("Subclass '%s' not found for resource '%s', not subclassing!"),
 814                            subclass.c_str(), name.c_str());
 815             }
 816         }
 817     }
 818
 819     m_node = node;
 820     m_class = node->GetAttribute(wxT("class"), wxEmptyString);
 821     m_parent = parent;
 822     m_parentAsWindow = wxDynamicCast(m_parent, wxWindow);
 823
 824     wxObject *returned = DoCreateResource();
 825
 826     m_node = myNode;
 827     m_class = myClass;
 828     m_parent = myParent; m_parentAsWindow = myParentAW;
 829     m_instance = myInstance;
 830
 831     return returned;
 832 }
 833
 834
 835 void wxXmlResourceHandler::AddStyle(const wxString& name, int value)
 836 {
 837     m_styleNames.Add(name);
 838     m_styleValues.Add(value);
 839 }
 840
 841
 842
 843 void wxXmlResourceHandler::AddWindowStyles()
 844 {
 845     XRC_ADD_STYLE(wxCLIP_CHILDREN);
 846
 847     // the border styles all have the old and new names, recognize both for now
 848     XRC_ADD_STYLE(wxSIMPLE_BORDER); XRC_ADD_STYLE(wxBORDER_SIMPLE);
 849     XRC_ADD_STYLE(wxSUNKEN_BORDER); XRC_ADD_STYLE(wxBORDER_SUNKEN);
 850     XRC_ADD_STYLE(wxDOUBLE_BORDER); XRC_ADD_STYLE(wxBORDER_DOUBLE);
 851     XRC_ADD_STYLE(wxRAISED_BORDER); XRC_ADD_STYLE(wxBORDER_RAISED);
 852     XRC_ADD_STYLE(wxSTATIC_BORDER); XRC_ADD_STYLE(wxBORDER_STATIC);
 853     XRC_ADD_STYLE(wxNO_BORDER);     XRC_ADD_STYLE(wxBORDER_NONE);
 854
 855     XRC_ADD_STYLE(wxTRANSPARENT_WINDOW);
 856     XRC_ADD_STYLE(wxWANTS_CHARS);
 857     XRC_ADD_STYLE(wxTAB_TRAVERSAL);
 858     XRC_ADD_STYLE(wxNO_FULL_REPAINT_ON_RESIZE);
 859     XRC_ADD_STYLE(wxFULL_REPAINT_ON_RESIZE);
 860     XRC_ADD_STYLE(wxALWAYS_SHOW_SB);
 861     XRC_ADD_STYLE(wxWS_EX_BLOCK_EVENTS);
 862     XRC_ADD_STYLE(wxWS_EX_VALIDATE_RECURSIVELY);
 863 }
 864
 865
 866
 867 bool wxXmlResourceHandler::HasParam(const wxString& param)
 868 {
 869     return (GetParamNode(param) != NULL);
 870 }
 871
 872
 873 int wxXmlResourceHandler::GetStyle(const wxString& param, int defaults)
 874 {
 875     wxString s = GetParamValue(param);
 876
 877     if (!s) return defaults;
 878
 879     wxStringTokenizer tkn(s, wxT("| \t\n"), wxTOKEN_STRTOK);
 880     int style = 0;
 881     int index;
 882     wxString fl;
 883     while (tkn.HasMoreTokens())
 884     {
 885         fl = tkn.GetNextToken();
 886         index = m_styleNames.Index(fl);
 887         if (index != wxNOT_FOUND)
 888             style |= m_styleValues[index];
 889         else
 890             wxLogError(_("Unknown style flag ") + fl);
 891     }
 892     return style;
 893 }
 894
 895
 896
 897 wxString wxXmlResourceHandler::GetText(const wxString& param, bool translate)
 898 {
 899     wxXmlNode *parNode = GetParamNode(param);
 900     wxString str1(GetNodeContent(parNode));
 901     wxString str2;
 902     const wxChar *dt;
 903     wxChar amp_char;
 904
 905     // VS: First version of XRC resources used $ instead of & (which is
 906     //     illegal in XML), but later I realized that '_' fits this purpose
 907     //     much better (because &File means "File with F underlined").
 908     if (m_resource->CompareVersion(2,3,0,1) < 0)
 909         amp_char = wxT('$');
 910     else
 911         amp_char = wxT('_');
 912
 913     for (dt = str1.c_str(); *dt; dt++)
 914     {
 915         // Remap amp_char to &, map double amp_char to amp_char (for things
 916         // like "&File..." -- this is illegal in XML, so we use "_File..."):
 917         if (*dt == amp_char)
 918         {
 919             if ( *(++dt) == amp_char )
 920                 str2 << amp_char;
 921             else
 922                 str2 << wxT('&') << *dt;
 923         }
 924         // Remap \n to CR, \r to LF, \t to TAB, \\ to \:
 925         else if (*dt == wxT('\\'))
 926             switch (*(++dt))
 927             {
 928                 case wxT('n'):
 929                     str2 << wxT('\n');
 930                     break;
 931
 932                 case wxT('t'):
 933                     str2 << wxT('\t');
 934                     break;
 935
 936                 case wxT('r'):
 937                     str2 << wxT('\r');
 938                     break;
 939
 940                 case wxT('\\') :
 941                     // "\\" wasn't translated to "\" prior to 2.5.3.0:
 942                     if (m_resource->CompareVersion(2,5,3,0) >= 0)
 943                     {
 944                         str2 << wxT('\\');
 945                         break;
 946                     }
 947                     // else fall-through to default: branch below
 948
 949                 default:
 950                     str2 << wxT('\\') << *dt;
 951                     break;
 952             }
 953         else str2 << *dt;
 954     }
 955
 956     if (m_resource->GetFlags() & wxXRC_USE_LOCALE)
 957     {
 958         if (translate && parNode &&
 959             parNode->GetAttribute(wxT("translate"), wxEmptyString) != wxT("0"))
 960         {
 961             return wxGetTranslation(str2, m_resource->GetDomain());
 962         }
 963         else
 964         {
 965 #if wxUSE_UNICODE
 966             return str2;
 967 #else
 968             // The string is internally stored as UTF-8, we have to convert
 969             // it into system's default encoding so that it can be displayed:
 970             return wxString(str2.mb_str(wxConvUTF8), wxConvLocal);
 971 #endif
 972         }
 973     }
 974
 975     // If wxXRC_USE_LOCALE is not set, then the string is already in
 976     // system's default encoding in ANSI build, so we don't have to
 977     // do anything special here.
 978     return str2;
 979 }
 980
 981
 982
 983 long wxXmlResourceHandler::GetLong(const wxString& param, long defaultv)
 984 {
 985     long value;
 986     wxString str1 = GetParamValue(param);
 987
 988     if (!str1.ToLong(&value))
 989         value = defaultv;
 990
 991     return value;
 992 }
 993
 994 float wxXmlResourceHandler::GetFloat(const wxString& param, float defaultv)
 995 {
 996     wxString str = GetParamValue(param);
 997
 998     // strings in XRC always use C locale but wxString::ToDouble() uses the
 999     // current one, so transform the string to it supposing that the only
1000     // difference between them is the decimal separator
1001     //
1002     // TODO: use wxString::ToCDouble() when we have it
1003     str.Replace(wxT("."), wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT,
1004                                             wxLOCALE_CAT_NUMBER));
1005
1006     double value;
1007     if (!str.ToDouble(&value))
1008         value = defaultv;
1009
1010     return wx_truncate_cast(float, value);
1011 }
1012
1013
1014 int wxXmlResourceHandler::GetID()
1015 {
1016     return wxXmlResource::GetXRCID(GetName());
1017 }
1018
1019
1020
1021 wxString wxXmlResourceHandler::GetName()
1022 {
1023     return m_node->GetAttribute(wxT("name"), wxT("-1"));
1024 }
1025
1026
1027
1028 bool wxXmlResourceHandler::GetBool(const wxString& param, bool defaultv)
1029 {
1030     wxString v = GetParamValue(param);
1031     v.MakeLower();
1032     if (!v) return defaultv;
1033
1034     return (v == wxT("1"));
1035 }
1036
1037
1038 static wxColour GetSystemColour(const wxString& name)
1039 {
1040     if (!name.empty())
1041     {
1042         #define SYSCLR(clr) \
1043             if (name == _T(#clr)) return wxSystemSettings::GetColour(clr);
1044         SYSCLR(wxSYS_COLOUR_SCROLLBAR)
1045         SYSCLR(wxSYS_COLOUR_BACKGROUND)
1046         SYSCLR(wxSYS_COLOUR_DESKTOP)
1047         SYSCLR(wxSYS_COLOUR_ACTIVECAPTION)
1048         SYSCLR(wxSYS_COLOUR_INACTIVECAPTION)
1049         SYSCLR(wxSYS_COLOUR_MENU)
1050         SYSCLR(wxSYS_COLOUR_WINDOW)
1051         SYSCLR(wxSYS_COLOUR_WINDOWFRAME)
1052         SYSCLR(wxSYS_COLOUR_MENUTEXT)
1053         SYSCLR(wxSYS_COLOUR_WINDOWTEXT)
1054         SYSCLR(wxSYS_COLOUR_CAPTIONTEXT)
1055         SYSCLR(wxSYS_COLOUR_ACTIVEBORDER)
1056         SYSCLR(wxSYS_COLOUR_INACTIVEBORDER)
1057         SYSCLR(wxSYS_COLOUR_APPWORKSPACE)
1058         SYSCLR(wxSYS_COLOUR_HIGHLIGHT)
1059         SYSCLR(wxSYS_COLOUR_HIGHLIGHTTEXT)
1060         SYSCLR(wxSYS_COLOUR_BTNFACE)
1061         SYSCLR(wxSYS_COLOUR_3DFACE)
1062         SYSCLR(wxSYS_COLOUR_BTNSHADOW)
1063         SYSCLR(wxSYS_COLOUR_3DSHADOW)
1064         SYSCLR(wxSYS_COLOUR_GRAYTEXT)
1065         SYSCLR(wxSYS_COLOUR_BTNTEXT)
1066         SYSCLR(wxSYS_COLOUR_INACTIVECAPTIONTEXT)
1067         SYSCLR(wxSYS_COLOUR_BTNHIGHLIGHT)
1068         SYSCLR(wxSYS_COLOUR_BTNHILIGHT)
1069         SYSCLR(wxSYS_COLOUR_3DHIGHLIGHT)
1070         SYSCLR(wxSYS_COLOUR_3DHILIGHT)
1071         SYSCLR(wxSYS_COLOUR_3DDKSHADOW)
1072         SYSCLR(wxSYS_COLOUR_3DLIGHT)
1073         SYSCLR(wxSYS_COLOUR_INFOTEXT)
1074         SYSCLR(wxSYS_COLOUR_INFOBK)
1075         SYSCLR(wxSYS_COLOUR_LISTBOX)
1076         SYSCLR(wxSYS_COLOUR_HOTLIGHT)
1077         SYSCLR(wxSYS_COLOUR_GRADIENTACTIVECAPTION)
1078         SYSCLR(wxSYS_COLOUR_GRADIENTINACTIVECAPTION)
1079         SYSCLR(wxSYS_COLOUR_MENUHILIGHT)
1080         SYSCLR(wxSYS_COLOUR_MENUBAR)
1081         #undef SYSCLR
1082     }
1083
1084     return wxNullColour;
1085 }
1086
1087 wxColour wxXmlResourceHandler::GetColour(const wxString& param, const wxColour& defaultv)
1088 {
1089     wxString v = GetParamValue(param);
1090
1091     if ( v.empty() )
1092         return defaultv;
1093
1094     wxColour clr;
1095
1096     // wxString -> wxColour conversion
1097     if (!clr.Set(v))
1098     {
1099         // the colour doesn't use #RRGGBB format, check if it is symbolic
1100         // colour name:
1101         clr = GetSystemColour(v);
1102         if (clr.Ok())
1103             return clr;
1104
1105         wxLogError(_("XRC resource: Incorrect colour specification '%s' for attribute '%s'."),
1106                    v.c_str(), param.c_str());
1107         return wxNullColour;
1108     }
1109
1110     return clr;
1111 }
1112
1113
1114
1115 wxBitmap wxXmlResourceHandler::GetBitmap(const wxString& param,
1116                                          const wxArtClient& defaultArtClient,
1117                                          wxSize size)
1118 {
1119     /* If the bitmap is specified as stock item, query wxArtProvider for it: */
1120     wxXmlNode *bmpNode = GetParamNode(param);
1121     if ( bmpNode )
1122     {
1123         wxString sid = bmpNode->GetAttribute(wxT("stock_id"), wxEmptyString);
1124         if ( !sid.empty() )
1125         {
1126             wxString scl = bmpNode->GetAttribute(wxT("stock_client"), wxEmptyString);
1127             if (scl.empty())
1128                 scl = defaultArtClient;
1129             else
1130                 scl = wxART_MAKE_CLIENT_ID_FROM_STR(scl);
1131
1132             wxBitmap stockArt =
1133                 wxArtProvider::GetBitmap(wxART_MAKE_ART_ID_FROM_STR(sid),
1134                                          scl, size);
1135             if ( stockArt.Ok() )
1136                 return stockArt;
1137         }
1138     }
1139
1140     /* ...or load the bitmap from file: */
1141     wxString name = GetParamValue(param);
1142     if (name.empty()) return wxNullBitmap;
1143 #if wxUSE_FILESYSTEM
1144     wxFSFile *fsfile = GetCurFileSystem().OpenFile(name, wxFS_READ | wxFS_SEEKABLE);
1145     if (fsfile == NULL)
1146     {
1147         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."),
1148                    name.c_str());
1149         return wxNullBitmap;
1150     }
1151     wxImage img(*(fsfile->GetStream()));
1152     delete fsfile;
1153 #else
1154     wxImage img(name);
1155 #endif
1156
1157     if (!img.Ok())
1158     {
1159         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."),
1160                    name.c_str());
1161         return wxNullBitmap;
1162     }
1163     if (!(size == wxDefaultSize)) img.Rescale(size.x, size.y);
1164     return wxBitmap(img);
1165 }
1166
1167 #if wxUSE_ANIMATIONCTRL
1168 wxAnimation wxXmlResourceHandler::GetAnimation(const wxString& param)
1169 {
1170     wxAnimation ani;
1171
1172     /* load the animation from file: */
1173     wxString name = GetParamValue(param);
1174     if (name.empty()) return wxNullAnimation;
1175 #if wxUSE_FILESYSTEM
1176     wxFSFile *fsfile = GetCurFileSystem().OpenFile(name, wxFS_READ | wxFS_SEEKABLE);
1177     if (fsfile == NULL)
1178     {
1179         wxLogError(_("XRC resource: Cannot create animation from '%s'."),
1180                    name.c_str());
1181         return wxNullAnimation;
1182     }
1183     ani.Load(*(fsfile->GetStream()));
1184     delete fsfile;
1185 #else
1186     ani.LoadFile(name);
1187 #endif
1188
1189     if (!ani.IsOk())
1190     {
1191         wxLogError(_("XRC resource: Cannot create animation from '%s'."),
1192                    name.c_str());
1193         return wxNullAnimation;
1194     }
1195
1196     return ani;
1197 }
1198 #endif      // wxUSE_ANIMATIONCTRL
1199
1200
1201
1202 wxIcon wxXmlResourceHandler::GetIcon(const wxString& param,
1203                                      const wxArtClient& defaultArtClient,
1204                                      wxSize size)
1205 {
1206     wxIcon icon;
1207     icon.CopyFromBitmap(GetBitmap(param, defaultArtClient, size));
1208     return icon;
1209 }
1210
1211
1212
1213 wxXmlNode *wxXmlResourceHandler::GetParamNode(const wxString& param)
1214 {
1215     wxCHECK_MSG(m_node, NULL, wxT("You can't access handler data before it was initialized!"));
1216
1217     wxXmlNode *n = m_node->GetChildren();
1218
1219     while (n)
1220     {
1221         if (n->GetType() == wxXML_ELEMENT_NODE && n->GetName() == param)
1222             return n;
1223         n = n->GetNext();
1224     }
1225     return NULL;
1226 }
1227
1228
1229
1230 bool wxXmlResourceHandler::IsOfClass(wxXmlNode *node, const wxString& classname)
1231 {
1232     return node->GetAttribute(wxT("class"), wxEmptyString) == classname;
1233 }
1234
1235
1236
1237 wxString wxXmlResourceHandler::GetNodeContent(wxXmlNode *node)
1238 {
1239     wxXmlNode *n = node;
1240     if (n == NULL) return wxEmptyString;
1241     n = n->GetChildren();
1242
1243     while (n)
1244     {
1245         if (n->GetType() == wxXML_TEXT_NODE ||
1246             n->GetType() == wxXML_CDATA_SECTION_NODE)
1247             return n->GetContent();
1248         n = n->GetNext();
1249     }
1250     return wxEmptyString;
1251 }
1252
1253
1254
1255 wxString wxXmlResourceHandler::GetParamValue(const wxString& param)
1256 {
1257     if (param.empty())
1258         return GetNodeContent(m_node);
1259     else
1260         return GetNodeContent(GetParamNode(param));
1261 }
1262
1263
1264
1265 wxSize wxXmlResourceHandler::GetSize(const wxString& param,
1266                                      wxWindow *windowToUse)
1267 {
1268     wxString s = GetParamValue(param);
1269     if (s.empty()) s = wxT("-1,-1");
1270     bool is_dlg;
1271     long sx, sy = 0;
1272
1273     is_dlg = s[s.length()-1] == wxT('d');
1274     if (is_dlg) s.RemoveLast();
1275
1276     if (!s.BeforeFirst(wxT(',')).ToLong(&sx) ||
1277         !s.AfterLast(wxT(',')).ToLong(&sy))
1278     {
1279         wxLogError(_("Cannot parse coordinates from '%s'."), s.c_str());
1280         return wxDefaultSize;
1281     }
1282
1283     if (is_dlg)
1284     {
1285         if (windowToUse)
1286         {
1287             return wxDLG_UNIT(windowToUse, wxSize(sx, sy));
1288         }
1289         else if (m_parentAsWindow)
1290         {
1291             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, sy));
1292         }
1293         else
1294         {
1295             wxLogError(_("Cannot convert dialog units: dialog unknown."));
1296             return wxDefaultSize;
1297         }
1298     }
1299
1300     return wxSize(sx, sy);
1301 }
1302
1303
1304
1305 wxPoint wxXmlResourceHandler::GetPosition(const wxString& param)
1306 {
1307     wxSize sz = GetSize(param);
1308     return wxPoint(sz.x, sz.y);
1309 }
1310
1311
1312
1313 wxCoord wxXmlResourceHandler::GetDimension(const wxString& param,
1314                                            wxCoord defaultv,
1315                                            wxWindow *windowToUse)
1316 {
1317     wxString s = GetParamValue(param);
1318     if (s.empty()) return defaultv;
1319     bool is_dlg;
1320     long sx;
1321
1322     is_dlg = s[s.length()-1] == wxT('d');
1323     if (is_dlg) s.RemoveLast();
1324
1325     if (!s.ToLong(&sx))
1326     {
1327         wxLogError(_("Cannot parse dimension from '%s'."), s.c_str());
1328         return defaultv;
1329     }
1330
1331     if (is_dlg)
1332     {
1333         if (windowToUse)
1334         {
1335             return wxDLG_UNIT(windowToUse, wxSize(sx, 0)).x;
1336         }
1337         else if (m_parentAsWindow)
1338         {
1339             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, 0)).x;
1340         }
1341         else
1342         {
1343             wxLogError(_("Cannot convert dialog units: dialog unknown."));
1344             return defaultv;
1345         }
1346     }
1347
1348     return sx;
1349 }
1350
1351
1352 // Get system font index using indexname
1353 static wxFont GetSystemFont(const wxString& name)
1354 {
1355     if (!name.empty())
1356     {
1357         #define SYSFNT(fnt) \
1358             if (name == _T(#fnt)) return wxSystemSettings::GetFont(fnt);
1359         SYSFNT(wxSYS_OEM_FIXED_FONT)
1360         SYSFNT(wxSYS_ANSI_FIXED_FONT)
1361         SYSFNT(wxSYS_ANSI_VAR_FONT)
1362         SYSFNT(wxSYS_SYSTEM_FONT)
1363         SYSFNT(wxSYS_DEVICE_DEFAULT_FONT)
1364         SYSFNT(wxSYS_DEFAULT_PALETTE)
1365         SYSFNT(wxSYS_SYSTEM_FIXED_FONT)
1366         SYSFNT(wxSYS_DEFAULT_GUI_FONT)
1367         #undef SYSFNT
1368     }
1369
1370     return wxNullFont;
1371 }
1372
1373 wxFont wxXmlResourceHandler::GetFont(const wxString& param)
1374 {
1375     wxXmlNode *font_node = GetParamNode(param);
1376     if (font_node == NULL)
1377     {
1378         wxLogError(_("Cannot find font node '%s'."), param.c_str());
1379         return wxNullFont;
1380     }
1381
1382     wxXmlNode *oldnode = m_node;
1383     m_node = font_node;
1384
1385     // font attributes:
1386
1387     // size
1388     int isize = -1;
1389     bool hasSize = HasParam(wxT("size"));
1390     if (hasSize)
1391         isize = GetLong(wxT("size"), -1);
1392
1393     // style
1394     int istyle = wxNORMAL;
1395     bool hasStyle = HasParam(wxT("style"));
1396     if (hasStyle)
1397     {
1398         wxString style = GetParamValue(wxT("style"));
1399         if (style == wxT("italic"))
1400             istyle = wxITALIC;
1401         else if (style == wxT("slant"))
1402             istyle = wxSLANT;
1403     }
1404
1405     // weight
1406     int iweight = wxNORMAL;
1407     bool hasWeight = HasParam(wxT("weight"));
1408     if (hasWeight)
1409     {
1410         wxString weight = GetParamValue(wxT("weight"));
1411         if (weight == wxT("bold"))
1412             iweight = wxBOLD;
1413         else if (weight == wxT("light"))
1414             iweight = wxLIGHT;
1415     }
1416
1417     // underline
1418     bool hasUnderlined = HasParam(wxT("underlined"));
1419     bool underlined = hasUnderlined ? GetBool(wxT("underlined"), false) : false;
1420
1421     // family and facename
1422     int ifamily = wxDEFAULT;
1423     bool hasFamily = HasParam(wxT("family"));
1424     if (hasFamily)
1425     {
1426         wxString family = GetParamValue(wxT("family"));
1427              if (family == wxT("decorative")) ifamily = wxDECORATIVE;
1428         else if (family == wxT("roman")) ifamily = wxROMAN;
1429         else if (family == wxT("script")) ifamily = wxSCRIPT;
1430         else if (family == wxT("swiss")) ifamily = wxSWISS;
1431         else if (family == wxT("modern")) ifamily = wxMODERN;
1432         else if (family == wxT("teletype")) ifamily = wxTELETYPE;
1433     }
1434
1435
1436     wxString facename;
1437     bool hasFacename = HasParam(wxT("face"));
1438     if (hasFacename)
1439     {
1440         wxString faces = GetParamValue(wxT("face"));
1441         wxArrayString facenames(wxFontEnumerator::GetFacenames());
1442         wxStringTokenizer tk(faces, wxT(","));
1443         while (tk.HasMoreTokens())
1444         {
1445             int index = facenames.Index(tk.GetNextToken(), false);
1446             if (index != wxNOT_FOUND)
1447             {
1448                 facename = facenames[index];
1449                 break;
1450             }
1451         }
1452     }
1453
1454     // encoding
1455     wxFontEncoding enc = wxFONTENCODING_DEFAULT;
1456     bool hasEncoding = HasParam(wxT("encoding"));
1457     if (hasEncoding)
1458     {
1459         wxString encoding = GetParamValue(wxT("encoding"));
1460         wxFontMapper mapper;
1461         if (!encoding.empty())
1462             enc = mapper.CharsetToEncoding(encoding);
1463         if (enc == wxFONTENCODING_SYSTEM)
1464             enc = wxFONTENCODING_DEFAULT;
1465     }
1466
1467     // is this font based on a system font?
1468     wxFont font = GetSystemFont(GetParamValue(wxT("sysfont")));
1469
1470     if (font.Ok())
1471     {
1472         if (hasSize && isize != -1)
1473             font.SetPointSize(isize);
1474         else if (HasParam(wxT("relativesize")))
1475             font.SetPointSize(int(font.GetPointSize() *
1476                                      GetFloat(wxT("relativesize"))));
1477
1478         if (hasStyle)
1479             font.SetStyle(istyle);
1480         if (hasWeight)
1481             font.SetWeight(iweight);
1482         if (hasUnderlined)
1483             font.SetUnderlined(underlined);
1484         if (hasFamily)
1485             font.SetFamily(ifamily);
1486         if (hasFacename)
1487             font.SetFaceName(facename);
1488         if (hasEncoding)
1489             font.SetDefaultEncoding(enc);
1490     }
1491     else // not based on system font
1492     {
1493         font = wxFont(isize == -1 ? wxNORMAL_FONT->GetPointSize() : isize,
1494                       ifamily, istyle, iweight,
1495                       underlined, facename, enc);
1496     }
1497
1498     m_node = oldnode;
1499     return font;
1500 }
1501
1502
1503 void wxXmlResourceHandler::SetupWindow(wxWindow *wnd)
1504 {
1505     //FIXME : add cursor
1506
1507     if (HasParam(wxT("exstyle")))
1508         // Have to OR it with existing style, since
1509         // some implementations (e.g. wxGTK) use the extra style
1510         // during creation
1511         wnd->SetExtraStyle(wnd->GetExtraStyle() | GetStyle(wxT("exstyle")));
1512     if (HasParam(wxT("bg")))
1513         wnd->SetBackgroundColour(GetColour(wxT("bg")));
1514     if (HasParam(wxT("fg")))
1515         wnd->SetForegroundColour(GetColour(wxT("fg")));
1516     if (GetBool(wxT("enabled"), 1) == 0)
1517         wnd->Enable(false);
1518     if (GetBool(wxT("focused"), 0) == 1)
1519         wnd->SetFocus();
1520     if (GetBool(wxT("hidden"), 0) == 1)
1521         wnd->Show(false);
1522 #if wxUSE_TOOLTIPS
1523     if (HasParam(wxT("tooltip")))
1524         wnd->SetToolTip(GetText(wxT("tooltip")));
1525 #endif
1526     if (HasParam(wxT("font")))
1527         wnd->SetFont(GetFont());
1528     if (HasParam(wxT("help")))
1529         wnd->SetHelpText(GetText(wxT("help")));
1530 }
1531
1532
1533 void wxXmlResourceHandler::CreateChildren(wxObject *parent, bool this_hnd_only)
1534 {
1535     wxXmlNode *n = m_node->GetChildren();
1536
1537     while (n)
1538     {
1539         if (n->GetType() == wxXML_ELEMENT_NODE &&
1540            (n->GetName() == wxT("object") || n->GetName() == wxT("object_ref")))
1541         {
1542             m_resource->CreateResFromNode(n, parent, NULL,
1543                                           this_hnd_only ? this : NULL);
1544         }
1545         n = n->GetNext();
1546     }
1547 }
1548
1549
1550 void wxXmlResourceHandler::CreateChildrenPrivately(wxObject *parent, wxXmlNode *rootnode)
1551 {
1552     wxXmlNode *root;
1553     if (rootnode == NULL) root = m_node; else root = rootnode;
1554     wxXmlNode *n = root->GetChildren();
1555
1556     while (n)
1557     {
1558         if (n->GetType() == wxXML_ELEMENT_NODE && CanHandle(n))
1559         {
1560             CreateResource(n, parent, NULL);
1561         }
1562         n = n->GetNext();
1563     }
1564 }
1565
1566
1567
1568
1569
1570
1571
1572 // --------------- XRCID implementation -----------------------------
1573
1574 #define XRCID_TABLE_SIZE     1024
1575
1576
1577 struct XRCID_record
1578 {
1579     /* Hold the id so that once an id is allocated for a name, it
1580        does not get created again by NewControlId at least
1581        until we are done with it */
1582     wxWindowIDRef id;
1583     char *key;
1584     XRCID_record *next;
1585 };
1586
1587 static XRCID_record *XRCID_Records[XRCID_TABLE_SIZE] = {NULL};
1588
1589 static int XRCID_Lookup(const char *str_id, int value_if_not_found = wxID_NONE)
1590 {
1591     int index = 0;
1592
1593     for (const char *c = str_id; *c != '\0'; c++) index += (int)*c;
1594     index %= XRCID_TABLE_SIZE;
1595
1596     XRCID_record *oldrec = NULL;
1597     for (XRCID_record *rec = XRCID_Records[index]; rec; rec = rec->next)
1598     {
1599         if (wxStrcmp(rec->key, str_id) == 0)
1600         {
1601             return rec->id;
1602         }
1603         oldrec = rec;
1604     }
1605
1606     XRCID_record **rec_var = (oldrec == NULL) ?
1607                               &XRCID_Records[index] : &oldrec->next;
1608     *rec_var = new XRCID_record;
1609     (*rec_var)->key = wxStrdup(str_id);
1610     (*rec_var)->next = NULL;
1611
1612     char *end;
1613     if (value_if_not_found != wxID_NONE)
1614         (*rec_var)->id = value_if_not_found;
1615     else
1616     {
1617         int asint = wxStrtol(str_id, &end, 10);
1618         if (*str_id && *end == 0)
1619         {
1620             // if str_id was integer, keep it verbosely:
1621             (*rec_var)->id = asint;
1622         }
1623         else
1624         {
1625             (*rec_var)->id = wxWindowBase::NewControlId();
1626         }
1627     }
1628
1629     return (*rec_var)->id;
1630 }
1631
1632 static void AddStdXRCID_Records();
1633
1634 /*static*/
1635 int wxXmlResource::DoGetXRCID(const char *str_id, int value_if_not_found)
1636 {
1637     static bool s_stdIDsAdded = false;
1638
1639     if ( !s_stdIDsAdded )
1640     {
1641         s_stdIDsAdded = true;
1642         AddStdXRCID_Records();
1643     }
1644
1645     return XRCID_Lookup(str_id, value_if_not_found);
1646 }
1647
1648
1649 static void CleanXRCID_Record(XRCID_record *rec)
1650 {
1651     if (rec)
1652     {
1653         CleanXRCID_Record(rec->next);
1654
1655         free(rec->key);
1656         delete rec;
1657     }
1658 }
1659
1660 static void CleanXRCID_Records()
1661 {
1662     for (int i = 0; i < XRCID_TABLE_SIZE; i++)
1663     {
1664         CleanXRCID_Record(XRCID_Records[i]);
1665         XRCID_Records[i] = NULL;
1666     }
1667 }
1668
1669 static void AddStdXRCID_Records()
1670 {
1671 #define stdID(id) XRCID_Lookup(#id, id)
1672     stdID(-1);
1673
1674     stdID(wxID_ANY);
1675     stdID(wxID_SEPARATOR);
1676
1677     stdID(wxID_OPEN);
1678     stdID(wxID_CLOSE);
1679     stdID(wxID_NEW);
1680     stdID(wxID_SAVE);
1681     stdID(wxID_SAVEAS);
1682     stdID(wxID_REVERT);
1683     stdID(wxID_EXIT);
1684     stdID(wxID_UNDO);
1685     stdID(wxID_REDO);
1686     stdID(wxID_HELP);
1687     stdID(wxID_PRINT);
1688     stdID(wxID_PRINT_SETUP);
1689     stdID(wxID_PAGE_SETUP);
1690     stdID(wxID_PREVIEW);
1691     stdID(wxID_ABOUT);
1692     stdID(wxID_HELP_CONTENTS);
1693     stdID(wxID_HELP_COMMANDS);
1694     stdID(wxID_HELP_PROCEDURES);
1695     stdID(wxID_HELP_CONTEXT);
1696     stdID(wxID_CLOSE_ALL);
1697     stdID(wxID_PREFERENCES);
1698     stdID(wxID_EDIT);
1699     stdID(wxID_CUT);
1700     stdID(wxID_COPY);
1701     stdID(wxID_PASTE);
1702     stdID(wxID_CLEAR);
1703     stdID(wxID_FIND);
1704     stdID(wxID_DUPLICATE);
1705     stdID(wxID_SELECTALL);
1706     stdID(wxID_DELETE);
1707     stdID(wxID_REPLACE);
1708     stdID(wxID_REPLACE_ALL);
1709     stdID(wxID_PROPERTIES);
1710     stdID(wxID_VIEW_DETAILS);
1711     stdID(wxID_VIEW_LARGEICONS);
1712     stdID(wxID_VIEW_SMALLICONS);
1713     stdID(wxID_VIEW_LIST);
1714     stdID(wxID_VIEW_SORTDATE);
1715     stdID(wxID_VIEW_SORTNAME);
1716     stdID(wxID_VIEW_SORTSIZE);
1717     stdID(wxID_VIEW_SORTTYPE);
1718     stdID(wxID_FILE1);
1719     stdID(wxID_FILE2);
1720     stdID(wxID_FILE3);
1721     stdID(wxID_FILE4);
1722     stdID(wxID_FILE5);
1723     stdID(wxID_FILE6);
1724     stdID(wxID_FILE7);
1725     stdID(wxID_FILE8);
1726     stdID(wxID_FILE9);
1727     stdID(wxID_OK);
1728     stdID(wxID_CANCEL);
1729     stdID(wxID_APPLY);
1730     stdID(wxID_YES);
1731     stdID(wxID_NO);
1732     stdID(wxID_STATIC);
1733     stdID(wxID_FORWARD);
1734     stdID(wxID_BACKWARD);
1735     stdID(wxID_DEFAULT);
1736     stdID(wxID_MORE);
1737     stdID(wxID_SETUP);
1738     stdID(wxID_RESET);
1739     stdID(wxID_CONTEXT_HELP);
1740     stdID(wxID_YESTOALL);
1741     stdID(wxID_NOTOALL);
1742     stdID(wxID_ABORT);
1743     stdID(wxID_RETRY);
1744     stdID(wxID_IGNORE);
1745     stdID(wxID_ADD);
1746     stdID(wxID_REMOVE);
1747     stdID(wxID_UP);
1748     stdID(wxID_DOWN);
1749     stdID(wxID_HOME);
1750     stdID(wxID_REFRESH);
1751     stdID(wxID_STOP);
1752     stdID(wxID_INDEX);
1753     stdID(wxID_BOLD);
1754     stdID(wxID_ITALIC);
1755     stdID(wxID_JUSTIFY_CENTER);
1756     stdID(wxID_JUSTIFY_FILL);
1757     stdID(wxID_JUSTIFY_RIGHT);
1758     stdID(wxID_JUSTIFY_LEFT);
1759     stdID(wxID_UNDERLINE);
1760     stdID(wxID_INDENT);
1761     stdID(wxID_UNINDENT);
1762     stdID(wxID_ZOOM_100);
1763     stdID(wxID_ZOOM_FIT);
1764     stdID(wxID_ZOOM_IN);
1765     stdID(wxID_ZOOM_OUT);
1766     stdID(wxID_UNDELETE);
1767     stdID(wxID_REVERT_TO_SAVED);
1768     stdID(wxID_SYSTEM_MENU);
1769     stdID(wxID_CLOSE_FRAME);
1770     stdID(wxID_MOVE_FRAME);
1771     stdID(wxID_RESIZE_FRAME);
1772     stdID(wxID_MAXIMIZE_FRAME);
1773     stdID(wxID_ICONIZE_FRAME);
1774     stdID(wxID_RESTORE_FRAME);
1775
1776 #undef stdID
1777 }
1778
1779
1780
1781
1782
1783 // --------------- module and globals -----------------------------
1784
1785 class wxXmlResourceModule: public wxModule
1786 {
1787 DECLARE_DYNAMIC_CLASS(wxXmlResourceModule)
1788 public:
1789     wxXmlResourceModule() {}
1790     bool OnInit()
1791     {
1792         wxXmlResource::AddSubclassFactory(new wxXmlSubclassFactoryCXX);
1793         return true;
1794     }
1795     void OnExit()
1796     {
1797         delete wxXmlResource::Set(NULL);
1798         if(wxXmlResource::ms_subclassFactories)
1799         {
1800             for ( wxXmlSubclassFactories::iterator i = wxXmlResource::ms_subclassFactories->begin();
1801                   i != wxXmlResource::ms_subclassFactories->end(); ++i )
1802             {
1803                 delete *i;
1804             }
1805             wxDELETE(wxXmlResource::ms_subclassFactories);
1806         }
1807         CleanXRCID_Records();
1808     }
1809 };
1810
1811 IMPLEMENT_DYNAMIC_CLASS(wxXmlResourceModule, wxModule)
1812
1813
1814 // When wxXml is loaded dynamically after the application is already running
1815 // then the built-in module system won't pick this one up.  Add it manually.
1816 void wxXmlInitResourceModule()
1817 {
1818     wxModule* module = new wxXmlResourceModule;
1819     module->Init();
1820     wxModule::RegisterModule(module);
1821 }
1822
1823 #endif // wxUSE_XRC