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