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 namespace
  74 {
  75
  76 // helper used by DoFindResource() and elsewhere: returns true if this is an
  77 // object or object_ref node
  78 //
  79 // node must be non-NULL
  80 inline bool IsObjectNode(wxXmlNode *node)
  81 {
  82     return node->GetType() == wxXML_ELEMENT_NODE &&
  83              (node->GetName() == wxS("object") ||
  84                 node->GetName() == wxS("object_ref"));
  85 }
  86
  87 } // anonymous namespace
  88
  89
  90 wxXmlResource *wxXmlResource::ms_instance = NULL;
  91
  92 /*static*/ wxXmlResource *wxXmlResource::Get()
  93 {
  94     if ( !ms_instance )
  95         ms_instance = new wxXmlResource;
  96     return ms_instance;
  97 }
  98
  99 /*static*/ wxXmlResource *wxXmlResource::Set(wxXmlResource *res)
 100 {
 101     wxXmlResource *old = ms_instance;
 102     ms_instance = res;
 103     return old;
 104 }
 105
 106 wxXmlResource::wxXmlResource(int flags, const wxString& domain)
 107 {
 108     m_flags = flags;
 109     m_version = -1;
 110     m_data = new wxXmlResourceDataRecords;
 111     SetDomain(domain);
 112 }
 113
 114 wxXmlResource::wxXmlResource(const wxString& filemask, int flags, const wxString& domain)
 115 {
 116     m_flags = flags;
 117     m_version = -1;
 118     m_data = new wxXmlResourceDataRecords;
 119     SetDomain(domain);
 120     Load(filemask);
 121 }
 122
 123 wxXmlResource::~wxXmlResource()
 124 {
 125     ClearHandlers();
 126
 127     for ( wxXmlResourceDataRecords::iterator i = m_data->begin();
 128           i != m_data->end(); ++i )
 129     {
 130         delete *i;
 131     }
 132     delete m_data;
 133 }
 134
 135 void wxXmlResource::SetDomain(const wxString& domain)
 136 {
 137     m_domain = domain;
 138 }
 139
 140
 141 /* static */
 142 wxString wxXmlResource::ConvertFileNameToURL(const wxString& filename)
 143 {
 144     wxString fnd(filename);
 145
 146     // NB: as Load() and Unload() accept both filenames and URLs (should
 147     //     probably be changed to filenames only, but embedded resources
 148     //     currently rely on its ability to handle URLs - FIXME) we need to
 149     //     determine whether found name is filename and not URL and this is the
 150     //     fastest/simplest way to do it
 151     if (wxFileName::FileExists(fnd))
 152     {
 153         // Make the name absolute filename, because the app may
 154         // change working directory later:
 155         wxFileName fn(fnd);
 156         if (fn.IsRelative())
 157         {
 158             fn.MakeAbsolute();
 159             fnd = fn.GetFullPath();
 160         }
 161 #if wxUSE_FILESYSTEM
 162         fnd = wxFileSystem::FileNameToURL(fnd);
 163 #endif
 164     }
 165
 166     return fnd;
 167 }
 168
 169 #if wxUSE_FILESYSTEM
 170
 171 /* static */
 172 bool wxXmlResource::IsArchive(const wxString& filename)
 173 {
 174     const wxString fnd = filename.Lower();
 175
 176     return fnd.Matches(wxT("*.zip")) || fnd.Matches(wxT("*.xrs"));
 177 }
 178
 179 #endif // wxUSE_FILESYSTEM
 180
 181 bool wxXmlResource::LoadFile(const wxFileName& file)
 182 {
 183     return Load(wxFileSystem::FileNameToURL(file));
 184 }
 185
 186 bool wxXmlResource::Load(const wxString& filemask_)
 187 {
 188     wxString filemask = ConvertFileNameToURL(filemask_);
 189
 190 #if wxUSE_FILESYSTEM
 191     wxFileSystem fsys;
 192 #   define wxXmlFindFirst  fsys.FindFirst(filemask, wxFILE)
 193 #   define wxXmlFindNext   fsys.FindNext()
 194 #else
 195 #   define wxXmlFindFirst  wxFindFirstFile(filemask, wxFILE)
 196 #   define wxXmlFindNext   wxFindNextFile()
 197 #endif
 198     wxString fnd = wxXmlFindFirst;
 199     if ( fnd.empty() )
 200     {
 201         wxLogError(_("Cannot load resources from '%s'."), filemask);
 202         return false;
 203     }
 204
 205     while (!fnd.empty())
 206     {
 207 #if wxUSE_FILESYSTEM
 208         if ( IsArchive(fnd) )
 209         {
 210             if ( !Load(fnd + wxT("#zip:*.xrc")) )
 211                 return false;
 212         }
 213         else // a single resource URL
 214 #endif // wxUSE_FILESYSTEM
 215         {
 216             wxXmlResourceDataRecord *drec = new wxXmlResourceDataRecord;
 217             drec->File = fnd;
 218             Data().push_back(drec);
 219         }
 220
 221         fnd = wxXmlFindNext;
 222     }
 223 #   undef wxXmlFindFirst
 224 #   undef wxXmlFindNext
 225
 226     return UpdateResources();
 227 }
 228
 229 bool wxXmlResource::Unload(const wxString& filename)
 230 {
 231     wxASSERT_MSG( !wxIsWild(filename),
 232                     _T("wildcards not supported by wxXmlResource::Unload()") );
 233
 234     wxString fnd = ConvertFileNameToURL(filename);
 235 #if wxUSE_FILESYSTEM
 236     const bool isArchive = IsArchive(fnd);
 237     if ( isArchive )
 238         fnd += _T("#zip:");
 239 #endif // wxUSE_FILESYSTEM
 240
 241     bool unloaded = false;
 242     for ( wxXmlResourceDataRecords::iterator i = Data().begin();
 243           i != Data().end(); ++i )
 244     {
 245 #if wxUSE_FILESYSTEM
 246         if ( isArchive )
 247         {
 248             if ( (*i)->File.StartsWith(fnd) )
 249                 unloaded = true;
 250             // don't break from the loop, we can have other matching files
 251         }
 252         else // a single resource URL
 253 #endif // wxUSE_FILESYSTEM
 254         {
 255             if ( (*i)->File == fnd )
 256             {
 257                 delete *i;
 258                 Data().erase(i);
 259                 unloaded = true;
 260
 261                 // no sense in continuing, there is only one file with this URL
 262                 break;
 263             }
 264         }
 265     }
 266
 267     return unloaded;
 268 }
 269
 270
 271 IMPLEMENT_ABSTRACT_CLASS(wxXmlResourceHandler, wxObject)
 272
 273 void wxXmlResource::AddHandler(wxXmlResourceHandler *handler)
 274 {
 275     m_handlers.push_back(handler);
 276     handler->SetParentResource(this);
 277 }
 278
 279 void wxXmlResource::InsertHandler(wxXmlResourceHandler *handler)
 280 {
 281     m_handlers.insert(m_handlers.begin(), handler);
 282     handler->SetParentResource(this);
 283 }
 284
 285
 286
 287 void wxXmlResource::ClearHandlers()
 288 {
 289     for ( wxVector<wxXmlResourceHandler*>::iterator i = m_handlers.begin();
 290           i != m_handlers.end(); ++i )
 291         delete *i;
 292     m_handlers.clear();
 293 }
 294
 295
 296 wxMenu *wxXmlResource::LoadMenu(const wxString& name)
 297 {
 298     return (wxMenu*)CreateResFromNode(FindResource(name, wxT("wxMenu")), NULL, NULL);
 299 }
 300
 301
 302
 303 wxMenuBar *wxXmlResource::LoadMenuBar(wxWindow *parent, const wxString& name)
 304 {
 305     return (wxMenuBar*)CreateResFromNode(FindResource(name, wxT("wxMenuBar")), parent, NULL);
 306 }
 307
 308
 309
 310 #if wxUSE_TOOLBAR
 311 wxToolBar *wxXmlResource::LoadToolBar(wxWindow *parent, const wxString& name)
 312 {
 313     return (wxToolBar*)CreateResFromNode(FindResource(name, wxT("wxToolBar")), parent, NULL);
 314 }
 315 #endif
 316
 317
 318 wxDialog *wxXmlResource::LoadDialog(wxWindow *parent, const wxString& name)
 319 {
 320     return (wxDialog*)CreateResFromNode(FindResource(name, wxT("wxDialog")), parent, NULL);
 321 }
 322
 323 bool wxXmlResource::LoadDialog(wxDialog *dlg, wxWindow *parent, const wxString& name)
 324 {
 325     return CreateResFromNode(FindResource(name, wxT("wxDialog")), parent, dlg) != NULL;
 326 }
 327
 328
 329
 330 wxPanel *wxXmlResource::LoadPanel(wxWindow *parent, const wxString& name)
 331 {
 332     return (wxPanel*)CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, NULL);
 333 }
 334
 335 bool wxXmlResource::LoadPanel(wxPanel *panel, wxWindow *parent, const wxString& name)
 336 {
 337     return CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, panel) != NULL;
 338 }
 339
 340 wxFrame *wxXmlResource::LoadFrame(wxWindow* parent, const wxString& name)
 341 {
 342     return (wxFrame*)CreateResFromNode(FindResource(name, wxT("wxFrame")), parent, NULL);
 343 }
 344
 345 bool wxXmlResource::LoadFrame(wxFrame* frame, wxWindow *parent, const wxString& name)
 346 {
 347     return CreateResFromNode(FindResource(name, wxT("wxFrame")), parent, frame) != NULL;
 348 }
 349
 350 wxBitmap wxXmlResource::LoadBitmap(const wxString& name)
 351 {
 352     wxBitmap *bmp = (wxBitmap*)CreateResFromNode(
 353                                FindResource(name, wxT("wxBitmap")), NULL, NULL);
 354     wxBitmap rt;
 355
 356     if (bmp) { rt = *bmp; delete bmp; }
 357     return rt;
 358 }
 359
 360 wxIcon wxXmlResource::LoadIcon(const wxString& name)
 361 {
 362     wxIcon *icon = (wxIcon*)CreateResFromNode(
 363                             FindResource(name, wxT("wxIcon")), NULL, NULL);
 364     wxIcon rt;
 365
 366     if (icon) { rt = *icon; delete icon; }
 367     return rt;
 368 }
 369
 370
 371 wxObject *wxXmlResource::LoadObject(wxWindow *parent, const wxString& name, const wxString& classname)
 372 {
 373     return CreateResFromNode(FindResource(name, classname), parent, NULL);
 374 }
 375
 376 bool wxXmlResource::LoadObject(wxObject *instance, wxWindow *parent, const wxString& name, const wxString& classname)
 377 {
 378     return CreateResFromNode(FindResource(name, classname), parent, instance) != NULL;
 379 }
 380
 381
 382 bool wxXmlResource::AttachUnknownControl(const wxString& name,
 383                                          wxWindow *control, wxWindow *parent)
 384 {
 385     if (parent == NULL)
 386         parent = control->GetParent();
 387     wxWindow *container = parent->FindWindow(name + wxT("_container"));
 388     if (!container)
 389     {
 390         wxLogError(_("Cannot find container for unknown control '%s'."), name.c_str());
 391         return false;
 392     }
 393     return control->Reparent(container);
 394 }
 395
 396
 397 static void ProcessPlatformProperty(wxXmlNode *node)
 398 {
 399     wxString s;
 400     bool isok;
 401
 402     wxXmlNode *c = node->GetChildren();
 403     while (c)
 404     {
 405         isok = false;
 406         if (!c->GetAttribute(wxT("platform"), &s))
 407             isok = true;
 408         else
 409         {
 410             wxStringTokenizer tkn(s, wxT(" |"));
 411
 412             while (tkn.HasMoreTokens())
 413             {
 414                 s = tkn.GetNextToken();
 415 #ifdef __WINDOWS__
 416                 if (s == wxT("win")) isok = true;
 417 #endif
 418 #if defined(__MAC__) || defined(__APPLE__)
 419                 if (s == wxT("mac")) isok = true;
 420 #elif defined(__UNIX__)
 421                 if (s == wxT("unix")) isok = true;
 422 #endif
 423 #ifdef __OS2__
 424                 if (s == wxT("os2")) isok = true;
 425 #endif
 426
 427                 if (isok)
 428                     break;
 429             }
 430         }
 431
 432         if (isok)
 433         {
 434             ProcessPlatformProperty(c);
 435             c = c->GetNext();
 436         }
 437         else
 438         {
 439             wxXmlNode *c2 = c->GetNext();
 440             node->RemoveChild(c);
 441             delete c;
 442             c = c2;
 443         }
 444     }
 445 }
 446
 447
 448
 449 bool wxXmlResource::UpdateResources()
 450 {
 451     bool rt = true;
 452     bool modif;
 453 #   if wxUSE_FILESYSTEM
 454     wxFSFile *file = NULL;
 455     wxUnusedVar(file);
 456     wxFileSystem fsys;
 457 #   endif
 458
 459     wxString encoding(wxT("UTF-8"));
 460 #if !wxUSE_UNICODE && wxUSE_INTL
 461     if ( (GetFlags() & wxXRC_USE_LOCALE) == 0 )
 462     {
 463         // In case we are not using wxLocale to translate strings, convert the
 464         // strings GUI's charset. This must not be done when wxXRC_USE_LOCALE
 465         // is on, because it could break wxGetTranslation lookup.
 466         encoding = wxLocale::GetSystemEncodingName();
 467     }
 468 #endif
 469
 470     for ( wxXmlResourceDataRecords::iterator i = Data().begin();
 471           i != Data().end(); ++i )
 472     {
 473         wxXmlResourceDataRecord* const rec = *i;
 474
 475         modif = (rec->Doc == NULL);
 476
 477         if (!modif && !(m_flags & wxXRC_NO_RELOADING))
 478         {
 479 #           if wxUSE_FILESYSTEM
 480             file = fsys.OpenFile(rec->File);
 481 #           if wxUSE_DATETIME
 482             modif = file && file->GetModificationTime() > rec->Time;
 483 #           else // wxUSE_DATETIME
 484             modif = true;
 485 #           endif // wxUSE_DATETIME
 486             if (!file)
 487             {
 488                 wxLogError(_("Cannot open file '%s'."), rec->File);
 489                 rt = false;
 490             }
 491             wxDELETE(file);
 492             wxUnusedVar(file);
 493 #           else // wxUSE_FILESYSTEM
 494 #           if wxUSE_DATETIME
 495             modif = wxDateTime(wxFileModificationTime(rec->File)) > rec->Time;
 496 #           else // wxUSE_DATETIME
 497             modif = true;
 498 #           endif // wxUSE_DATETIME
 499 #           endif // wxUSE_FILESYSTEM
 500         }
 501
 502         if (modif)
 503         {
 504             wxLogTrace(_T("xrc"), _T("opening file '%s'"), rec->File);
 505
 506             wxInputStream *stream = NULL;
 507
 508 #           if wxUSE_FILESYSTEM
 509             file = fsys.OpenFile(rec->File);
 510             if (file)
 511                 stream = file->GetStream();
 512 #           else
 513             stream = new wxFileInputStream(rec->File);
 514 #           endif
 515
 516             if (stream)
 517             {
 518                 delete rec->Doc;
 519                 rec->Doc = new wxXmlDocument;
 520             }
 521             if (!stream || !stream->IsOk() || !rec->Doc->Load(*stream, encoding))
 522             {
 523                 wxLogError(_("Cannot load resources from file '%s'."),
 524                            rec->File);
 525                 wxDELETE(rec->Doc);
 526                 rt = false;
 527             }
 528             else if (rec->Doc->GetRoot()->GetName() != wxT("resource"))
 529             {
 530                 wxLogError(_("Invalid XRC resource '%s': doesn't have root node 'resource'."), rec->File);
 531                 wxDELETE(rec->Doc);
 532                 rt = false;
 533             }
 534             else
 535             {
 536                 long version;
 537                 int v1, v2, v3, v4;
 538                 wxString verstr = rec->Doc->GetRoot()->GetAttribute(
 539                                       wxT("version"), wxT("0.0.0.0"));
 540                 if (wxSscanf(verstr.c_str(), wxT("%i.%i.%i.%i"),
 541                     &v1, &v2, &v3, &v4) == 4)
 542                     version = v1*256*256*256+v2*256*256+v3*256+v4;
 543                 else
 544                     version = 0;
 545                 if (m_version == -1)
 546                     m_version = version;
 547                 if (m_version != version)
 548                 {
 549                     wxLogError(_("Resource files must have same version number!"));
 550                     rt = false;
 551                 }
 552
 553                 ProcessPlatformProperty(rec->Doc->GetRoot());
 554 #if wxUSE_DATETIME
 555 #if wxUSE_FILESYSTEM
 556                 rec->Time = file->GetModificationTime();
 557 #else // wxUSE_FILESYSTEM
 558                 rec->Time = wxDateTime(wxFileModificationTime(rec->File));
 559 #endif // wxUSE_FILESYSTEM
 560 #endif // wxUSE_DATETIME
 561             }
 562
 563 #           if wxUSE_FILESYSTEM
 564                 wxDELETE(file);
 565                 wxUnusedVar(file);
 566 #           else
 567                 wxDELETE(stream);
 568 #           endif
 569         }
 570     }
 571
 572     return rt;
 573 }
 574
 575 wxXmlNode *wxXmlResource::DoFindResource(wxXmlNode *parent,
 576                                          const wxString& name,
 577                                          const wxString& classname,
 578                                          bool recursive) const
 579 {
 580     wxXmlNode *node;
 581
 582     // first search for match at the top-level nodes (as this is
 583     // where the resource is most commonly looked for):
 584     for (node = parent->GetChildren(); node; node = node->GetNext())
 585     {
 586         if ( IsObjectNode(node) && node->GetAttribute(wxS("name")) == name )
 587         {
 588             // empty class name matches everything
 589             if ( classname.empty() )
 590                 return node;
 591
 592             wxString cls(node->GetAttribute(wxS("class")));
 593
 594             // object_ref may not have 'class' attribute:
 595             if (cls.empty() && node->GetName() == wxS("object_ref"))
 596             {
 597                 wxString refName = node->GetAttribute(wxS("ref"));
 598                 if (refName.empty())
 599                     continue;
 600
 601                 const wxXmlNode * const refNode = GetResourceNode(refName);
 602                 if ( refNode )
 603                     cls = refNode->GetAttribute(wxS("class"));
 604             }
 605
 606             if ( cls == classname )
 607                 return node;
 608         }
 609     }
 610
 611     // then recurse in child nodes
 612     if ( recursive )
 613     {
 614         for (node = parent->GetChildren(); node; node = node->GetNext())
 615         {
 616             if ( IsObjectNode(node) )
 617             {
 618                 wxXmlNode* found = DoFindResource(node, name, classname, true);
 619                 if ( found )
 620                     return found;
 621             }
 622         }
 623     }
 624
 625     return NULL;
 626 }
 627
 628 wxXmlNode *wxXmlResource::FindResource(const wxString& name,
 629                                        const wxString& classname,
 630                                        bool recursive)
 631 {
 632     wxString path;
 633     wxXmlNode * const
 634         node = GetResourceNodeAndLocation(name, classname, recursive, &path);
 635
 636     if ( !node )
 637     {
 638         wxLogError(_("XRC resource '%s' (class '%s') not found!"),
 639                    name, classname);
 640     }
 641 #if wxUSE_FILESYSTEM
 642     else // node was found
 643     {
 644         // ensure that relative paths work correctly when loading this node
 645         // (which should happen as soon as we return as FindResource() result
 646         // is always passed to CreateResFromNode())
 647         m_curFileSystem.ChangePathTo(path);
 648     }
 649 #endif // wxUSE_FILESYSTEM
 650
 651     return node;
 652 }
 653
 654 wxXmlNode *
 655 wxXmlResource::GetResourceNodeAndLocation(const wxString& name,
 656                                           const wxString& classname,
 657                                           bool recursive,
 658                                           wxString *path) const
 659 {
 660     // ensure everything is up-to-date: this is needed to support on-remand
 661     // reloading of XRC files
 662     const_cast<wxXmlResource *>(this)->UpdateResources();
 663
 664     for ( wxXmlResourceDataRecords::const_iterator f = Data().begin();
 665           f != Data().end(); ++f )
 666     {
 667         wxXmlResourceDataRecord *const rec = *f;
 668         wxXmlDocument * const doc = rec->Doc;
 669         if ( !doc || !doc->GetRoot() )
 670             continue;
 671
 672         wxXmlNode * const
 673             found = DoFindResource(doc->GetRoot(), name, classname, recursive);
 674         if ( found )
 675         {
 676             if ( path )
 677                 *path = rec->File;
 678
 679             return found;
 680         }
 681     }
 682
 683     return NULL;
 684 }
 685
 686 static void MergeNodes(wxXmlNode& dest, wxXmlNode& with)
 687 {
 688     // Merge attributes:
 689     for ( wxXmlAttribute *attr = with.GetAttributes();
 690           attr; attr = attr->GetNext() )
 691     {
 692         wxXmlAttribute *dattr;
 693         for (dattr = dest.GetAttributes(); dattr; dattr = dattr->GetNext())
 694         {
 695
 696             if ( dattr->GetName() == attr->GetName() )
 697             {
 698                 dattr->SetValue(attr->GetValue());
 699                 break;
 700             }
 701         }
 702
 703         if ( !dattr )
 704             dest.AddAttribute(attr->GetName(), attr->GetValue());
 705    }
 706
 707     // Merge child nodes:
 708     for (wxXmlNode* node = with.GetChildren(); node; node = node->GetNext())
 709     {
 710         wxString name = node->GetAttribute(wxT("name"), wxEmptyString);
 711         wxXmlNode *dnode;
 712
 713         for (dnode = dest.GetChildren(); dnode; dnode = dnode->GetNext() )
 714         {
 715             if ( dnode->GetName() == node->GetName() &&
 716                  dnode->GetAttribute(wxT("name"), wxEmptyString) == name &&
 717                  dnode->GetType() == node->GetType() )
 718             {
 719                 MergeNodes(*dnode, *node);
 720                 break;
 721             }
 722         }
 723
 724         if ( !dnode )
 725         {
 726             static const wxChar *AT_END = wxT("end");
 727             wxString insert_pos = node->GetAttribute(wxT("insert_at"), AT_END);
 728             if ( insert_pos == AT_END )
 729             {
 730                 dest.AddChild(new wxXmlNode(*node));
 731             }
 732             else if ( insert_pos == wxT("begin") )
 733             {
 734                 dest.InsertChild(new wxXmlNode(*node), dest.GetChildren());
 735             }
 736         }
 737     }
 738
 739     if ( dest.GetType() == wxXML_TEXT_NODE && with.GetContent().length() )
 740          dest.SetContent(with.GetContent());
 741 }
 742
 743 wxObject *wxXmlResource::CreateResFromNode(wxXmlNode *node, wxObject *parent,
 744                                            wxObject *instance,
 745                                            wxXmlResourceHandler *handlerToUse)
 746 {
 747     if (node == NULL) return NULL;
 748
 749     // handling of referenced resource
 750     if ( node->GetName() == wxT("object_ref") )
 751     {
 752         wxString refName = node->GetAttribute(wxT("ref"), wxEmptyString);
 753         wxXmlNode* refNode = FindResource(refName, wxEmptyString, true);
 754
 755         if ( !refNode )
 756         {
 757             wxLogError(_("Referenced object node with ref=\"%s\" not found!"),
 758                        refName.c_str());
 759             return NULL;
 760         }
 761
 762         wxXmlNode copy(*refNode);
 763         MergeNodes(copy, *node);
 764
 765         return CreateResFromNode(&copy, parent, instance);
 766     }
 767
 768     if (handlerToUse)
 769     {
 770         if (handlerToUse->CanHandle(node))
 771         {
 772             return handlerToUse->CreateResource(node, parent, instance);
 773         }
 774     }
 775     else if (node->GetName() == wxT("object"))
 776     {
 777         for ( wxVector<wxXmlResourceHandler*>::iterator h = m_handlers.begin();
 778               h != m_handlers.end(); ++h )
 779         {
 780             wxXmlResourceHandler *handler = *h;
 781             if (handler->CanHandle(node))
 782                 return handler->CreateResource(node, parent, instance);
 783         }
 784     }
 785
 786     wxLogError(_("No handler found for XML node '%s', class '%s'!"),
 787                node->GetName().c_str(),
 788                node->GetAttribute(wxT("class"), wxEmptyString).c_str());
 789     return NULL;
 790 }
 791
 792
 793 class wxXmlSubclassFactories : public wxVector<wxXmlSubclassFactory*>
 794 {
 795     // this is a class so that it can be forward-declared
 796 };
 797
 798 wxXmlSubclassFactories *wxXmlResource::ms_subclassFactories = NULL;
 799
 800 /*static*/ void wxXmlResource::AddSubclassFactory(wxXmlSubclassFactory *factory)
 801 {
 802     if (!ms_subclassFactories)
 803     {
 804         ms_subclassFactories = new wxXmlSubclassFactories;
 805     }
 806     ms_subclassFactories->push_back(factory);
 807 }
 808
 809 class wxXmlSubclassFactoryCXX : public wxXmlSubclassFactory
 810 {
 811 public:
 812     ~wxXmlSubclassFactoryCXX() {}
 813
 814     wxObject *Create(const wxString& className)
 815     {
 816         wxClassInfo* classInfo = wxClassInfo::FindClass(className);
 817
 818         if (classInfo)
 819             return classInfo->CreateObject();
 820         else
 821             return NULL;
 822     }
 823 };
 824
 825
 826
 827
 828 wxXmlResourceHandler::wxXmlResourceHandler()
 829         : m_node(NULL), m_parent(NULL), m_instance(NULL),
 830           m_parentAsWindow(NULL)
 831 {}
 832
 833
 834
 835 wxObject *wxXmlResourceHandler::CreateResource(wxXmlNode *node, wxObject *parent, wxObject *instance)
 836 {
 837     wxXmlNode *myNode = m_node;
 838     wxString myClass = m_class;
 839     wxObject *myParent = m_parent, *myInstance = m_instance;
 840     wxWindow *myParentAW = m_parentAsWindow;
 841
 842     m_instance = instance;
 843     if (!m_instance && node->HasAttribute(wxT("subclass")) &&
 844         !(m_resource->GetFlags() & wxXRC_NO_SUBCLASSING))
 845     {
 846         wxString subclass = node->GetAttribute(wxT("subclass"), wxEmptyString);
 847         if (!subclass.empty())
 848         {
 849             for (wxXmlSubclassFactories::iterator i = wxXmlResource::ms_subclassFactories->begin();
 850                  i != wxXmlResource::ms_subclassFactories->end(); ++i)
 851             {
 852                 m_instance = (*i)->Create(subclass);
 853                 if (m_instance)
 854                     break;
 855             }
 856
 857             if (!m_instance)
 858             {
 859                 wxString name = node->GetAttribute(wxT("name"), wxEmptyString);
 860                 wxLogError(_("Subclass '%s' not found for resource '%s', not subclassing!"),
 861                            subclass.c_str(), name.c_str());
 862             }
 863         }
 864     }
 865
 866     m_node = node;
 867     m_class = node->GetAttribute(wxT("class"), wxEmptyString);
 868     m_parent = parent;
 869     m_parentAsWindow = wxDynamicCast(m_parent, wxWindow);
 870
 871     wxObject *returned = DoCreateResource();
 872
 873     m_node = myNode;
 874     m_class = myClass;
 875     m_parent = myParent; m_parentAsWindow = myParentAW;
 876     m_instance = myInstance;
 877
 878     return returned;
 879 }
 880
 881
 882 void wxXmlResourceHandler::AddStyle(const wxString& name, int value)
 883 {
 884     m_styleNames.Add(name);
 885     m_styleValues.Add(value);
 886 }
 887
 888
 889
 890 void wxXmlResourceHandler::AddWindowStyles()
 891 {
 892     XRC_ADD_STYLE(wxCLIP_CHILDREN);
 893
 894     // the border styles all have the old and new names, recognize both for now
 895     XRC_ADD_STYLE(wxSIMPLE_BORDER); XRC_ADD_STYLE(wxBORDER_SIMPLE);
 896     XRC_ADD_STYLE(wxSUNKEN_BORDER); XRC_ADD_STYLE(wxBORDER_SUNKEN);
 897     XRC_ADD_STYLE(wxDOUBLE_BORDER); XRC_ADD_STYLE(wxBORDER_DOUBLE);
 898     XRC_ADD_STYLE(wxRAISED_BORDER); XRC_ADD_STYLE(wxBORDER_RAISED);
 899     XRC_ADD_STYLE(wxSTATIC_BORDER); XRC_ADD_STYLE(wxBORDER_STATIC);
 900     XRC_ADD_STYLE(wxNO_BORDER);     XRC_ADD_STYLE(wxBORDER_NONE);
 901
 902     XRC_ADD_STYLE(wxTRANSPARENT_WINDOW);
 903     XRC_ADD_STYLE(wxWANTS_CHARS);
 904     XRC_ADD_STYLE(wxTAB_TRAVERSAL);
 905     XRC_ADD_STYLE(wxNO_FULL_REPAINT_ON_RESIZE);
 906     XRC_ADD_STYLE(wxFULL_REPAINT_ON_RESIZE);
 907     XRC_ADD_STYLE(wxALWAYS_SHOW_SB);
 908     XRC_ADD_STYLE(wxWS_EX_BLOCK_EVENTS);
 909     XRC_ADD_STYLE(wxWS_EX_VALIDATE_RECURSIVELY);
 910 }
 911
 912
 913
 914 bool wxXmlResourceHandler::HasParam(const wxString& param)
 915 {
 916     return (GetParamNode(param) != NULL);
 917 }
 918
 919
 920 int wxXmlResourceHandler::GetStyle(const wxString& param, int defaults)
 921 {
 922     wxString s = GetParamValue(param);
 923
 924     if (!s) return defaults;
 925
 926     wxStringTokenizer tkn(s, wxT("| \t\n"), wxTOKEN_STRTOK);
 927     int style = 0;
 928     int index;
 929     wxString fl;
 930     while (tkn.HasMoreTokens())
 931     {
 932         fl = tkn.GetNextToken();
 933         index = m_styleNames.Index(fl);
 934         if (index != wxNOT_FOUND)
 935             style |= m_styleValues[index];
 936         else
 937             wxLogError(_("Unknown style flag ") + fl);
 938     }
 939     return style;
 940 }
 941
 942
 943
 944 wxString wxXmlResourceHandler::GetText(const wxString& param, bool translate)
 945 {
 946     wxXmlNode *parNode = GetParamNode(param);
 947     wxString str1(GetNodeContent(parNode));
 948     wxString str2;
 949
 950     // "\\" wasn't translated to "\" prior to 2.5.3.0:
 951     const bool escapeBackslash = (m_resource->CompareVersion(2,5,3,0) >= 0);
 952
 953     // VS: First version of XRC resources used $ instead of & (which is
 954     //     illegal in XML), but later I realized that '_' fits this purpose
 955     //     much better (because &File means "File with F underlined").
 956     const wxChar amp_char = (m_resource->CompareVersion(2,3,0,1) < 0)
 957                             ? '$' : '_';
 958
 959     for ( wxString::const_iterator dt = str1.begin(); dt != str1.end(); ++dt )
 960     {
 961         // Remap amp_char to &, map double amp_char to amp_char (for things
 962         // like "&File..." -- this is illegal in XML, so we use "_File..."):
 963         if ( *dt == amp_char )
 964         {
 965             if ( *(++dt) == amp_char )
 966                 str2 << amp_char;
 967             else
 968                 str2 << wxT('&') << *dt;
 969         }
 970         // Remap \n to CR, \r to LF, \t to TAB, \\ to \:
 971         else if ( *dt == wxT('\\') )
 972         {
 973             switch ( (*(++dt)).GetValue() )
 974             {
 975                 case wxT('n'):
 976                     str2 << wxT('\n');
 977                     break;
 978
 979                 case wxT('t'):
 980                     str2 << wxT('\t');
 981                     break;
 982
 983                 case wxT('r'):
 984                     str2 << wxT('\r');
 985                     break;
 986
 987                 case wxT('\\') :
 988                     // "\\" wasn't translated to "\" prior to 2.5.3.0:
 989                     if ( escapeBackslash )
 990                     {
 991                         str2 << wxT('\\');
 992                         break;
 993                     }
 994                     // else fall-through to default: branch below
 995
 996                 default:
 997                     str2 << wxT('\\') << *dt;
 998                     break;
 999             }
1000         }
1001         else
1002         {
1003             str2 << *dt;
1004         }
1005     }
1006
1007     if (m_resource->GetFlags() & wxXRC_USE_LOCALE)
1008     {
1009         if (translate && parNode &&
1010             parNode->GetAttribute(wxT("translate"), wxEmptyString) != wxT("0"))
1011         {
1012             return wxGetTranslation(str2, m_resource->GetDomain());
1013         }
1014         else
1015         {
1016 #if wxUSE_UNICODE
1017             return str2;
1018 #else
1019             // The string is internally stored as UTF-8, we have to convert
1020             // it into system's default encoding so that it can be displayed:
1021             return wxString(str2.wc_str(wxConvUTF8), wxConvLocal);
1022 #endif
1023         }
1024     }
1025
1026     // If wxXRC_USE_LOCALE is not set, then the string is already in
1027     // system's default encoding in ANSI build, so we don't have to
1028     // do anything special here.
1029     return str2;
1030 }
1031
1032
1033
1034 long wxXmlResourceHandler::GetLong(const wxString& param, long defaultv)
1035 {
1036     long value;
1037     wxString str1 = GetParamValue(param);
1038
1039     if (!str1.ToLong(&value))
1040         value = defaultv;
1041
1042     return value;
1043 }
1044
1045 float wxXmlResourceHandler::GetFloat(const wxString& param, float defaultv)
1046 {
1047     wxString str = GetParamValue(param);
1048
1049 #if wxUSE_INTL
1050     // strings in XRC always use C locale but wxString::ToDouble() uses the
1051     // current one, so transform the string to it supposing that the only
1052     // difference between them is the decimal separator
1053     //
1054     // TODO: use wxString::ToCDouble() when we have it
1055     str.Replace(wxT("."), wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT,
1056                                             wxLOCALE_CAT_NUMBER));
1057 #endif // wxUSE_INTL
1058
1059     double value;
1060     if (!str.ToDouble(&value))
1061         value = defaultv;
1062
1063     return wx_truncate_cast(float, value);
1064 }
1065
1066
1067 int wxXmlResourceHandler::GetID()
1068 {
1069     return wxXmlResource::GetXRCID(GetName());
1070 }
1071
1072
1073
1074 wxString wxXmlResourceHandler::GetName()
1075 {
1076     return m_node->GetAttribute(wxT("name"), wxT("-1"));
1077 }
1078
1079
1080
1081 bool wxXmlResourceHandler::GetBoolAttr(const wxString& attr, bool defaultv)
1082 {
1083     wxString v;
1084     return m_node->GetAttribute(attr, &v) ? v == '1' : defaultv;
1085 }
1086
1087 bool wxXmlResourceHandler::GetBool(const wxString& param, bool defaultv)
1088 {
1089     const wxString v = GetParamValue(param);
1090
1091     return v.empty() ? defaultv : (v == '1');
1092 }
1093
1094
1095 static wxColour GetSystemColour(const wxString& name)
1096 {
1097     if (!name.empty())
1098     {
1099         #define SYSCLR(clr) \
1100             if (name == _T(#clr)) return wxSystemSettings::GetColour(clr);
1101         SYSCLR(wxSYS_COLOUR_SCROLLBAR)
1102         SYSCLR(wxSYS_COLOUR_BACKGROUND)
1103         SYSCLR(wxSYS_COLOUR_DESKTOP)
1104         SYSCLR(wxSYS_COLOUR_ACTIVECAPTION)
1105         SYSCLR(wxSYS_COLOUR_INACTIVECAPTION)
1106         SYSCLR(wxSYS_COLOUR_MENU)
1107         SYSCLR(wxSYS_COLOUR_WINDOW)
1108         SYSCLR(wxSYS_COLOUR_WINDOWFRAME)
1109         SYSCLR(wxSYS_COLOUR_MENUTEXT)
1110         SYSCLR(wxSYS_COLOUR_WINDOWTEXT)
1111         SYSCLR(wxSYS_COLOUR_CAPTIONTEXT)
1112         SYSCLR(wxSYS_COLOUR_ACTIVEBORDER)
1113         SYSCLR(wxSYS_COLOUR_INACTIVEBORDER)
1114         SYSCLR(wxSYS_COLOUR_APPWORKSPACE)
1115         SYSCLR(wxSYS_COLOUR_HIGHLIGHT)
1116         SYSCLR(wxSYS_COLOUR_HIGHLIGHTTEXT)
1117         SYSCLR(wxSYS_COLOUR_BTNFACE)
1118         SYSCLR(wxSYS_COLOUR_3DFACE)
1119         SYSCLR(wxSYS_COLOUR_BTNSHADOW)
1120         SYSCLR(wxSYS_COLOUR_3DSHADOW)
1121         SYSCLR(wxSYS_COLOUR_GRAYTEXT)
1122         SYSCLR(wxSYS_COLOUR_BTNTEXT)
1123         SYSCLR(wxSYS_COLOUR_INACTIVECAPTIONTEXT)
1124         SYSCLR(wxSYS_COLOUR_BTNHIGHLIGHT)
1125         SYSCLR(wxSYS_COLOUR_BTNHILIGHT)
1126         SYSCLR(wxSYS_COLOUR_3DHIGHLIGHT)
1127         SYSCLR(wxSYS_COLOUR_3DHILIGHT)
1128         SYSCLR(wxSYS_COLOUR_3DDKSHADOW)
1129         SYSCLR(wxSYS_COLOUR_3DLIGHT)
1130         SYSCLR(wxSYS_COLOUR_INFOTEXT)
1131         SYSCLR(wxSYS_COLOUR_INFOBK)
1132         SYSCLR(wxSYS_COLOUR_LISTBOX)
1133         SYSCLR(wxSYS_COLOUR_HOTLIGHT)
1134         SYSCLR(wxSYS_COLOUR_GRADIENTACTIVECAPTION)
1135         SYSCLR(wxSYS_COLOUR_GRADIENTINACTIVECAPTION)
1136         SYSCLR(wxSYS_COLOUR_MENUHILIGHT)
1137         SYSCLR(wxSYS_COLOUR_MENUBAR)
1138         #undef SYSCLR
1139     }
1140
1141     return wxNullColour;
1142 }
1143
1144 wxColour wxXmlResourceHandler::GetColour(const wxString& param, const wxColour& defaultv)
1145 {
1146     wxString v = GetParamValue(param);
1147
1148     if ( v.empty() )
1149         return defaultv;
1150
1151     wxColour clr;
1152
1153     // wxString -> wxColour conversion
1154     if (!clr.Set(v))
1155     {
1156         // the colour doesn't use #RRGGBB format, check if it is symbolic
1157         // colour name:
1158         clr = GetSystemColour(v);
1159         if (clr.Ok())
1160             return clr;
1161
1162         wxLogError(_("XRC resource: Incorrect colour specification '%s' for attribute '%s'."),
1163                    v.c_str(), param.c_str());
1164         return wxNullColour;
1165     }
1166
1167     return clr;
1168 }
1169
1170
1171
1172 wxBitmap wxXmlResourceHandler::GetBitmap(const wxString& param,
1173                                          const wxArtClient& defaultArtClient,
1174                                          wxSize size)
1175 {
1176     /* If the bitmap is specified as stock item, query wxArtProvider for it: */
1177     wxXmlNode *bmpNode = GetParamNode(param);
1178     if ( bmpNode )
1179     {
1180         wxString sid = bmpNode->GetAttribute(wxT("stock_id"), wxEmptyString);
1181         if ( !sid.empty() )
1182         {
1183             wxString scl = bmpNode->GetAttribute(wxT("stock_client"), wxEmptyString);
1184             if (scl.empty())
1185                 scl = defaultArtClient;
1186             else
1187                 scl = wxART_MAKE_CLIENT_ID_FROM_STR(scl);
1188
1189             wxBitmap stockArt =
1190                 wxArtProvider::GetBitmap(wxART_MAKE_ART_ID_FROM_STR(sid),
1191                                          scl, size);
1192             if ( stockArt.Ok() )
1193                 return stockArt;
1194         }
1195     }
1196
1197     /* ...or load the bitmap from file: */
1198     wxString name = GetParamValue(param);
1199     if (name.empty()) return wxNullBitmap;
1200 #if wxUSE_FILESYSTEM
1201     wxFSFile *fsfile = GetCurFileSystem().OpenFile(name, wxFS_READ | wxFS_SEEKABLE);
1202     if (fsfile == NULL)
1203     {
1204         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."),
1205                    name.c_str());
1206         return wxNullBitmap;
1207     }
1208     wxImage img(*(fsfile->GetStream()));
1209     delete fsfile;
1210 #else
1211     wxImage img(name);
1212 #endif
1213
1214     if (!img.Ok())
1215     {
1216         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."),
1217                    name.c_str());
1218         return wxNullBitmap;
1219     }
1220     if (!(size == wxDefaultSize)) img.Rescale(size.x, size.y);
1221     return wxBitmap(img);
1222 }
1223
1224
1225 wxIcon wxXmlResourceHandler::GetIcon(const wxString& param,
1226                                      const wxArtClient& defaultArtClient,
1227                                      wxSize size)
1228 {
1229     wxIcon icon;
1230     icon.CopyFromBitmap(GetBitmap(param, defaultArtClient, size));
1231     return icon;
1232 }
1233
1234
1235
1236 wxXmlNode *wxXmlResourceHandler::GetParamNode(const wxString& param)
1237 {
1238     wxCHECK_MSG(m_node, NULL, wxT("You can't access handler data before it was initialized!"));
1239
1240     wxXmlNode *n = m_node->GetChildren();
1241
1242     while (n)
1243     {
1244         if (n->GetType() == wxXML_ELEMENT_NODE && n->GetName() == param)
1245         {
1246             // TODO: check that there are no other properties/parameters with
1247             //       the same name and log an error if there are (can't do this
1248             //       right now as I'm not sure if it's not going to break code
1249             //       using this function in unintentional way (i.e. for
1250             //       accessing other things than properties), for example
1251             //       wxBitmapComboBoxXmlHandler almost surely does
1252             return n;
1253         }
1254         n = n->GetNext();
1255     }
1256     return NULL;
1257 }
1258
1259 bool wxXmlResourceHandler::IsOfClass(wxXmlNode *node, const wxString& classname)
1260 {
1261     return node->GetAttribute(wxT("class"), wxEmptyString) == classname;
1262 }
1263
1264
1265
1266 wxString wxXmlResourceHandler::GetNodeContent(wxXmlNode *node)
1267 {
1268     wxXmlNode *n = node;
1269     if (n == NULL) return wxEmptyString;
1270     n = n->GetChildren();
1271
1272     while (n)
1273     {
1274         if (n->GetType() == wxXML_TEXT_NODE ||
1275             n->GetType() == wxXML_CDATA_SECTION_NODE)
1276             return n->GetContent();
1277         n = n->GetNext();
1278     }
1279     return wxEmptyString;
1280 }
1281
1282
1283
1284 wxString wxXmlResourceHandler::GetParamValue(const wxString& param)
1285 {
1286     if (param.empty())
1287         return GetNodeContent(m_node);
1288     else
1289         return GetNodeContent(GetParamNode(param));
1290 }
1291
1292
1293
1294 wxSize wxXmlResourceHandler::GetSize(const wxString& param,
1295                                      wxWindow *windowToUse)
1296 {
1297     wxString s = GetParamValue(param);
1298     if (s.empty()) s = wxT("-1,-1");
1299     bool is_dlg;
1300     long sx, sy = 0;
1301
1302     is_dlg = s[s.length()-1] == wxT('d');
1303     if (is_dlg) s.RemoveLast();
1304
1305     if (!s.BeforeFirst(wxT(',')).ToLong(&sx) ||
1306         !s.AfterLast(wxT(',')).ToLong(&sy))
1307     {
1308         wxLogError(_("Cannot parse coordinates from '%s'."), s.c_str());
1309         return wxDefaultSize;
1310     }
1311
1312     if (is_dlg)
1313     {
1314         if (windowToUse)
1315         {
1316             return wxDLG_UNIT(windowToUse, wxSize(sx, sy));
1317         }
1318         else if (m_parentAsWindow)
1319         {
1320             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, sy));
1321         }
1322         else
1323         {
1324             wxLogError(_("Cannot convert dialog units: dialog unknown."));
1325             return wxDefaultSize;
1326         }
1327     }
1328
1329     return wxSize(sx, sy);
1330 }
1331
1332
1333
1334 wxPoint wxXmlResourceHandler::GetPosition(const wxString& param)
1335 {
1336     wxSize sz = GetSize(param);
1337     return wxPoint(sz.x, sz.y);
1338 }
1339
1340
1341
1342 wxCoord wxXmlResourceHandler::GetDimension(const wxString& param,
1343                                            wxCoord defaultv,
1344                                            wxWindow *windowToUse)
1345 {
1346     wxString s = GetParamValue(param);
1347     if (s.empty()) return defaultv;
1348     bool is_dlg;
1349     long sx;
1350
1351     is_dlg = s[s.length()-1] == wxT('d');
1352     if (is_dlg) s.RemoveLast();
1353
1354     if (!s.ToLong(&sx))
1355     {
1356         wxLogError(_("Cannot parse dimension from '%s'."), s.c_str());
1357         return defaultv;
1358     }
1359
1360     if (is_dlg)
1361     {
1362         if (windowToUse)
1363         {
1364             return wxDLG_UNIT(windowToUse, wxSize(sx, 0)).x;
1365         }
1366         else if (m_parentAsWindow)
1367         {
1368             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, 0)).x;
1369         }
1370         else
1371         {
1372             wxLogError(_("Cannot convert dialog units: dialog unknown."));
1373             return defaultv;
1374         }
1375     }
1376
1377     return sx;
1378 }
1379
1380
1381 // Get system font index using indexname
1382 static wxFont GetSystemFont(const wxString& name)
1383 {
1384     if (!name.empty())
1385     {
1386         #define SYSFNT(fnt) \
1387             if (name == _T(#fnt)) return wxSystemSettings::GetFont(fnt);
1388         SYSFNT(wxSYS_OEM_FIXED_FONT)
1389         SYSFNT(wxSYS_ANSI_FIXED_FONT)
1390         SYSFNT(wxSYS_ANSI_VAR_FONT)
1391         SYSFNT(wxSYS_SYSTEM_FONT)
1392         SYSFNT(wxSYS_DEVICE_DEFAULT_FONT)
1393         SYSFNT(wxSYS_SYSTEM_FIXED_FONT)
1394         SYSFNT(wxSYS_DEFAULT_GUI_FONT)
1395         #undef SYSFNT
1396     }
1397
1398     return wxNullFont;
1399 }
1400
1401 wxFont wxXmlResourceHandler::GetFont(const wxString& param)
1402 {
1403     wxXmlNode *font_node = GetParamNode(param);
1404     if (font_node == NULL)
1405     {
1406         wxLogError(_("Cannot find font node '%s'."), param.c_str());
1407         return wxNullFont;
1408     }
1409
1410     wxXmlNode *oldnode = m_node;
1411     m_node = font_node;
1412
1413     // font attributes:
1414
1415     // size
1416     int isize = -1;
1417     bool hasSize = HasParam(wxT("size"));
1418     if (hasSize)
1419         isize = GetLong(wxT("size"), -1);
1420
1421     // style
1422     int istyle = wxNORMAL;
1423     bool hasStyle = HasParam(wxT("style"));
1424     if (hasStyle)
1425     {
1426         wxString style = GetParamValue(wxT("style"));
1427         if (style == wxT("italic"))
1428             istyle = wxITALIC;
1429         else if (style == wxT("slant"))
1430             istyle = wxSLANT;
1431     }
1432
1433     // weight
1434     int iweight = wxNORMAL;
1435     bool hasWeight = HasParam(wxT("weight"));
1436     if (hasWeight)
1437     {
1438         wxString weight = GetParamValue(wxT("weight"));
1439         if (weight == wxT("bold"))
1440             iweight = wxBOLD;
1441         else if (weight == wxT("light"))
1442             iweight = wxLIGHT;
1443     }
1444
1445     // underline
1446     bool hasUnderlined = HasParam(wxT("underlined"));
1447     bool underlined = hasUnderlined ? GetBool(wxT("underlined"), false) : false;
1448
1449     // family and facename
1450     int ifamily = wxDEFAULT;
1451     bool hasFamily = HasParam(wxT("family"));
1452     if (hasFamily)
1453     {
1454         wxString family = GetParamValue(wxT("family"));
1455              if (family == wxT("decorative")) ifamily = wxDECORATIVE;
1456         else if (family == wxT("roman")) ifamily = wxROMAN;
1457         else if (family == wxT("script")) ifamily = wxSCRIPT;
1458         else if (family == wxT("swiss")) ifamily = wxSWISS;
1459         else if (family == wxT("modern")) ifamily = wxMODERN;
1460         else if (family == wxT("teletype")) ifamily = wxTELETYPE;
1461     }
1462
1463
1464     wxString facename;
1465     bool hasFacename = HasParam(wxT("face"));
1466     if (hasFacename)
1467     {
1468         wxString faces = GetParamValue(wxT("face"));
1469         wxStringTokenizer tk(faces, wxT(","));
1470 #if wxUSE_FONTENUM
1471         wxArrayString facenames(wxFontEnumerator::GetFacenames());
1472         while (tk.HasMoreTokens())
1473         {
1474             int index = facenames.Index(tk.GetNextToken(), false);
1475             if (index != wxNOT_FOUND)
1476             {
1477                 facename = facenames[index];
1478                 break;
1479             }
1480         }
1481 #else // !wxUSE_FONTENUM
1482         // just use the first face name if we can't check its availability:
1483         if (tk.HasMoreTokens())
1484             facename = tk.GetNextToken();
1485 #endif // wxUSE_FONTENUM/!wxUSE_FONTENUM
1486     }
1487
1488     // encoding
1489     wxFontEncoding enc = wxFONTENCODING_DEFAULT;
1490     bool hasEncoding = HasParam(wxT("encoding"));
1491     if (hasEncoding)
1492     {
1493         wxString encoding = GetParamValue(wxT("encoding"));
1494         wxFontMapper mapper;
1495         if (!encoding.empty())
1496             enc = mapper.CharsetToEncoding(encoding);
1497         if (enc == wxFONTENCODING_SYSTEM)
1498             enc = wxFONTENCODING_DEFAULT;
1499     }
1500
1501     // is this font based on a system font?
1502     wxFont font = GetSystemFont(GetParamValue(wxT("sysfont")));
1503
1504     if (font.Ok())
1505     {
1506         if (hasSize && isize != -1)
1507             font.SetPointSize(isize);
1508         else if (HasParam(wxT("relativesize")))
1509             font.SetPointSize(int(font.GetPointSize() *
1510                                      GetFloat(wxT("relativesize"))));
1511
1512         if (hasStyle)
1513             font.SetStyle(istyle);
1514         if (hasWeight)
1515             font.SetWeight(iweight);
1516         if (hasUnderlined)
1517             font.SetUnderlined(underlined);
1518         if (hasFamily)
1519             font.SetFamily(ifamily);
1520         if (hasFacename)
1521             font.SetFaceName(facename);
1522         if (hasEncoding)
1523             font.SetDefaultEncoding(enc);
1524     }
1525     else // not based on system font
1526     {
1527         font = wxFont(isize == -1 ? wxNORMAL_FONT->GetPointSize() : isize,
1528                       ifamily, istyle, iweight,
1529                       underlined, facename, enc);
1530     }
1531
1532     m_node = oldnode;
1533     return font;
1534 }
1535
1536
1537 void wxXmlResourceHandler::SetupWindow(wxWindow *wnd)
1538 {
1539     //FIXME : add cursor
1540
1541     if (HasParam(wxT("exstyle")))
1542         // Have to OR it with existing style, since
1543         // some implementations (e.g. wxGTK) use the extra style
1544         // during creation
1545         wnd->SetExtraStyle(wnd->GetExtraStyle() | GetStyle(wxT("exstyle")));
1546     if (HasParam(wxT("bg")))
1547         wnd->SetBackgroundColour(GetColour(wxT("bg")));
1548     if (HasParam(wxT("fg")))
1549         wnd->SetForegroundColour(GetColour(wxT("fg")));
1550     if (GetBool(wxT("enabled"), 1) == 0)
1551         wnd->Enable(false);
1552     if (GetBool(wxT("focused"), 0) == 1)
1553         wnd->SetFocus();
1554     if (GetBool(wxT("hidden"), 0) == 1)
1555         wnd->Show(false);
1556 #if wxUSE_TOOLTIPS
1557     if (HasParam(wxT("tooltip")))
1558         wnd->SetToolTip(GetText(wxT("tooltip")));
1559 #endif
1560     if (HasParam(wxT("font")))
1561         wnd->SetFont(GetFont());
1562     if (HasParam(wxT("help")))
1563         wnd->SetHelpText(GetText(wxT("help")));
1564 }
1565
1566
1567 void wxXmlResourceHandler::CreateChildren(wxObject *parent, bool this_hnd_only)
1568 {
1569     for ( wxXmlNode *n = m_node->GetChildren(); n; n = n->GetNext() )
1570     {
1571         if ( IsObjectNode(n) )
1572         {
1573             m_resource->CreateResFromNode(n, parent, NULL,
1574                                           this_hnd_only ? this : NULL);
1575         }
1576     }
1577 }
1578
1579
1580 void wxXmlResourceHandler::CreateChildrenPrivately(wxObject *parent, wxXmlNode *rootnode)
1581 {
1582     wxXmlNode *root;
1583     if (rootnode == NULL) root = m_node; else root = rootnode;
1584     wxXmlNode *n = root->GetChildren();
1585
1586     while (n)
1587     {
1588         if (n->GetType() == wxXML_ELEMENT_NODE && CanHandle(n))
1589         {
1590             CreateResource(n, parent, NULL);
1591         }
1592         n = n->GetNext();
1593     }
1594 }
1595
1596
1597
1598
1599
1600
1601
1602 // --------------- XRCID implementation -----------------------------
1603
1604 #define XRCID_TABLE_SIZE     1024
1605
1606
1607 struct XRCID_record
1608 {
1609     /* Hold the id so that once an id is allocated for a name, it
1610        does not get created again by NewControlId at least
1611        until we are done with it */
1612     wxWindowIDRef id;
1613     char *key;
1614     XRCID_record *next;
1615 };
1616
1617 static XRCID_record *XRCID_Records[XRCID_TABLE_SIZE] = {NULL};
1618
1619 static int XRCID_Lookup(const char *str_id, int value_if_not_found = wxID_NONE)
1620 {
1621     int index = 0;
1622
1623     for (const char *c = str_id; *c != '\0'; c++) index += (int)*c;
1624     index %= XRCID_TABLE_SIZE;
1625
1626     XRCID_record *oldrec = NULL;
1627     for (XRCID_record *rec = XRCID_Records[index]; rec; rec = rec->next)
1628     {
1629         if (wxStrcmp(rec->key, str_id) == 0)
1630         {
1631             return rec->id;
1632         }
1633         oldrec = rec;
1634     }
1635
1636     XRCID_record **rec_var = (oldrec == NULL) ?
1637                               &XRCID_Records[index] : &oldrec->next;
1638     *rec_var = new XRCID_record;
1639     (*rec_var)->key = wxStrdup(str_id);
1640     (*rec_var)->next = NULL;
1641
1642     char *end;
1643     if (value_if_not_found != wxID_NONE)
1644         (*rec_var)->id = value_if_not_found;
1645     else
1646     {
1647         int asint = wxStrtol(str_id, &end, 10);
1648         if (*str_id && *end == 0)
1649         {
1650             // if str_id was integer, keep it verbosely:
1651             (*rec_var)->id = asint;
1652         }
1653         else
1654         {
1655             (*rec_var)->id = wxWindowBase::NewControlId();
1656         }
1657     }
1658
1659     return (*rec_var)->id;
1660 }
1661
1662 static void AddStdXRCID_Records();
1663
1664 /*static*/
1665 int wxXmlResource::DoGetXRCID(const char *str_id, int value_if_not_found)
1666 {
1667     static bool s_stdIDsAdded = false;
1668
1669     if ( !s_stdIDsAdded )
1670     {
1671         s_stdIDsAdded = true;
1672         AddStdXRCID_Records();
1673     }
1674
1675     return XRCID_Lookup(str_id, value_if_not_found);
1676 }
1677
1678 /* static */
1679 wxString wxXmlResource::FindXRCIDById(int numId)
1680 {
1681     for ( int i = 0; i < XRCID_TABLE_SIZE; i++ )
1682     {
1683         for ( XRCID_record *rec = XRCID_Records[i]; rec; rec = rec->next )
1684         {
1685             if ( rec->id == numId )
1686                 return wxString(rec->key);
1687         }
1688     }
1689
1690     return wxString();
1691 }
1692
1693 static void CleanXRCID_Record(XRCID_record *rec)
1694 {
1695     if (rec)
1696     {
1697         CleanXRCID_Record(rec->next);
1698
1699         free(rec->key);
1700         delete rec;
1701     }
1702 }
1703
1704 static void CleanXRCID_Records()
1705 {
1706     for (int i = 0; i < XRCID_TABLE_SIZE; i++)
1707     {
1708         CleanXRCID_Record(XRCID_Records[i]);
1709         XRCID_Records[i] = NULL;
1710     }
1711 }
1712
1713 static void AddStdXRCID_Records()
1714 {
1715 #define stdID(id) XRCID_Lookup(#id, id)
1716     stdID(-1);
1717
1718     stdID(wxID_ANY);
1719     stdID(wxID_SEPARATOR);
1720
1721     stdID(wxID_OPEN);
1722     stdID(wxID_CLOSE);
1723     stdID(wxID_NEW);
1724     stdID(wxID_SAVE);
1725     stdID(wxID_SAVEAS);
1726     stdID(wxID_REVERT);
1727     stdID(wxID_EXIT);
1728     stdID(wxID_UNDO);
1729     stdID(wxID_REDO);
1730     stdID(wxID_HELP);
1731     stdID(wxID_PRINT);
1732     stdID(wxID_PRINT_SETUP);
1733     stdID(wxID_PAGE_SETUP);
1734     stdID(wxID_PREVIEW);
1735     stdID(wxID_ABOUT);
1736     stdID(wxID_HELP_CONTENTS);
1737     stdID(wxID_HELP_COMMANDS);
1738     stdID(wxID_HELP_PROCEDURES);
1739     stdID(wxID_HELP_CONTEXT);
1740     stdID(wxID_CLOSE_ALL);
1741     stdID(wxID_PREFERENCES);
1742     stdID(wxID_EDIT);
1743     stdID(wxID_CUT);
1744     stdID(wxID_COPY);
1745     stdID(wxID_PASTE);
1746     stdID(wxID_CLEAR);
1747     stdID(wxID_FIND);
1748     stdID(wxID_DUPLICATE);
1749     stdID(wxID_SELECTALL);
1750     stdID(wxID_DELETE);
1751     stdID(wxID_REPLACE);
1752     stdID(wxID_REPLACE_ALL);
1753     stdID(wxID_PROPERTIES);
1754     stdID(wxID_VIEW_DETAILS);
1755     stdID(wxID_VIEW_LARGEICONS);
1756     stdID(wxID_VIEW_SMALLICONS);
1757     stdID(wxID_VIEW_LIST);
1758     stdID(wxID_VIEW_SORTDATE);
1759     stdID(wxID_VIEW_SORTNAME);
1760     stdID(wxID_VIEW_SORTSIZE);
1761     stdID(wxID_VIEW_SORTTYPE);
1762     stdID(wxID_FILE1);
1763     stdID(wxID_FILE2);
1764     stdID(wxID_FILE3);
1765     stdID(wxID_FILE4);
1766     stdID(wxID_FILE5);
1767     stdID(wxID_FILE6);
1768     stdID(wxID_FILE7);
1769     stdID(wxID_FILE8);
1770     stdID(wxID_FILE9);
1771     stdID(wxID_OK);
1772     stdID(wxID_CANCEL);
1773     stdID(wxID_APPLY);
1774     stdID(wxID_YES);
1775     stdID(wxID_NO);
1776     stdID(wxID_STATIC);
1777     stdID(wxID_FORWARD);
1778     stdID(wxID_BACKWARD);
1779     stdID(wxID_DEFAULT);
1780     stdID(wxID_MORE);
1781     stdID(wxID_SETUP);
1782     stdID(wxID_RESET);
1783     stdID(wxID_CONTEXT_HELP);
1784     stdID(wxID_YESTOALL);
1785     stdID(wxID_NOTOALL);
1786     stdID(wxID_ABORT);
1787     stdID(wxID_RETRY);
1788     stdID(wxID_IGNORE);
1789     stdID(wxID_ADD);
1790     stdID(wxID_REMOVE);
1791     stdID(wxID_UP);
1792     stdID(wxID_DOWN);
1793     stdID(wxID_HOME);
1794     stdID(wxID_REFRESH);
1795     stdID(wxID_STOP);
1796     stdID(wxID_INDEX);
1797     stdID(wxID_BOLD);
1798     stdID(wxID_ITALIC);
1799     stdID(wxID_JUSTIFY_CENTER);
1800     stdID(wxID_JUSTIFY_FILL);
1801     stdID(wxID_JUSTIFY_RIGHT);
1802     stdID(wxID_JUSTIFY_LEFT);
1803     stdID(wxID_UNDERLINE);
1804     stdID(wxID_INDENT);
1805     stdID(wxID_UNINDENT);
1806     stdID(wxID_ZOOM_100);
1807     stdID(wxID_ZOOM_FIT);
1808     stdID(wxID_ZOOM_IN);
1809     stdID(wxID_ZOOM_OUT);
1810     stdID(wxID_UNDELETE);
1811     stdID(wxID_REVERT_TO_SAVED);
1812     stdID(wxID_SYSTEM_MENU);
1813     stdID(wxID_CLOSE_FRAME);
1814     stdID(wxID_MOVE_FRAME);
1815     stdID(wxID_RESIZE_FRAME);
1816     stdID(wxID_MAXIMIZE_FRAME);
1817     stdID(wxID_ICONIZE_FRAME);
1818     stdID(wxID_RESTORE_FRAME);
1819     stdID(wxID_CDROM);
1820     stdID(wxID_CONVERT);
1821     stdID(wxID_EXECUTE);
1822     stdID(wxID_FLOPPY);
1823     stdID(wxID_HARDDISK);
1824     stdID(wxID_BOTTOM);
1825     stdID(wxID_FIRST);
1826     stdID(wxID_LAST);
1827     stdID(wxID_TOP);
1828     stdID(wxID_INFO);
1829     stdID(wxID_JUMP_TO);
1830     stdID(wxID_NETWORK);
1831     stdID(wxID_SELECT_COLOR);
1832     stdID(wxID_SELECT_FONT);
1833     stdID(wxID_SORT_ASCENDING);
1834     stdID(wxID_SORT_DESCENDING);
1835     stdID(wxID_SPELL_CHECK);
1836     stdID(wxID_STRIKETHROUGH);
1837
1838 #undef stdID
1839 }
1840
1841
1842
1843
1844
1845 // --------------- module and globals -----------------------------
1846
1847 // normally we would do the cleanup from wxXmlResourceModule::OnExit() but it
1848 // can happen that some XRC records have been created because of the use of
1849 // XRCID() in event tables, which happens during static objects initialization,
1850 // but then the application initialization failed and so the wx modules were
1851 // neither initialized nor cleaned up -- this static object does the cleanup in
1852 // this case
1853 static struct wxXRCStaticCleanup
1854 {
1855     ~wxXRCStaticCleanup() { CleanXRCID_Records(); }
1856 } s_staticCleanup;
1857
1858 class wxXmlResourceModule: public wxModule
1859 {
1860 DECLARE_DYNAMIC_CLASS(wxXmlResourceModule)
1861 public:
1862     wxXmlResourceModule() {}
1863     bool OnInit()
1864     {
1865         wxXmlResource::AddSubclassFactory(new wxXmlSubclassFactoryCXX);
1866         return true;
1867     }
1868     void OnExit()
1869     {
1870         delete wxXmlResource::Set(NULL);
1871         if(wxXmlResource::ms_subclassFactories)
1872         {
1873             for ( wxXmlSubclassFactories::iterator i = wxXmlResource::ms_subclassFactories->begin();
1874                   i != wxXmlResource::ms_subclassFactories->end(); ++i )
1875             {
1876                 delete *i;
1877             }
1878             wxDELETE(wxXmlResource::ms_subclassFactories);
1879         }
1880         CleanXRCID_Records();
1881     }
1882 };
1883
1884 IMPLEMENT_DYNAMIC_CLASS(wxXmlResourceModule, wxModule)
1885
1886
1887 // When wxXml is loaded dynamically after the application is already running
1888 // then the built-in module system won't pick this one up.  Add it manually.
1889 void wxXmlInitResourceModule()
1890 {
1891     wxModule* module = new wxXmlResourceModule;
1892     module->Init();
1893     wxModule::RegisterModule(module);
1894 }
1895
1896 #endif // wxUSE_XRC