src/xrc/xmlres.cpp

   1 /////////////////////////////////////////////////////////////////////////////
   2 // Name:        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 #ifndef __WXWINCE__
  21 #include <locale.h>
  22 #endif
  23
  24 #include "wx/dialog.h"
  25 #include "wx/panel.h"
  26 #include "wx/frame.h"
  27 #include "wx/wfstream.h"
  28 #include "wx/filesys.h"
  29 #include "wx/filename.h"
  30 #include "wx/log.h"
  31 #include "wx/intl.h"
  32 #include "wx/tokenzr.h"
  33 #include "wx/fontenum.h"
  34 #include "wx/module.h"
  35 #include "wx/bitmap.h"
  36 #include "wx/image.h"
  37 #include "wx/fontmap.h"
  38 #include "wx/artprov.h"
  39 #include "wx/settings.h"
  40
  41 #include "wx/xml/xml.h"
  42 #include "wx/xrc/xmlres.h"
  43
  44 #include "wx/arrimpl.cpp"
  45 WX_DEFINE_OBJARRAY(wxXmlResourceDataRecords)
  46
  47
  48 wxXmlResource *wxXmlResource::ms_instance = NULL;
  49
  50 /*static*/ wxXmlResource *wxXmlResource::Get()
  51 {
  52     if ( !ms_instance )
  53         ms_instance = new wxXmlResource;
  54     return ms_instance;
  55 }
  56
  57 /*static*/ wxXmlResource *wxXmlResource::Set(wxXmlResource *res)
  58 {
  59     wxXmlResource *old = ms_instance;
  60     ms_instance = res;
  61     return old;
  62 }
  63
  64 wxXmlResource::wxXmlResource(int flags)
  65 {
  66     m_flags = flags;
  67     m_version = -1;
  68 }
  69
  70 wxXmlResource::wxXmlResource(const wxString& filemask, int flags)
  71 {
  72     m_flags = flags;
  73     m_version = -1;
  74     Load(filemask);
  75 }
  76
  77 wxXmlResource::~wxXmlResource()
  78 {
  79     ClearHandlers();
  80 }
  81
  82
  83 /* static */
  84 wxString wxXmlResource::ConvertFileNameToURL(const wxString& filename)
  85 {
  86     wxString fnd(filename);
  87
  88     // NB: as Load() and Unload() accept both filenames and URLs (should
  89     //     probably be changed to filenames only, but embedded resources
  90     //     currently rely on its ability to handle URLs - FIXME) we need to
  91     //     determine whether found name is filename and not URL and this is the
  92     //     fastest/simplest way to do it
  93     if (wxFileName::FileExists(fnd))
  94     {
  95         // Make the name absolute filename, because the app may
  96         // change working directory later:
  97         wxFileName fn(fnd);
  98         if (fn.IsRelative())
  99         {
 100             fn.MakeAbsolute();
 101             fnd = fn.GetFullPath();
 102         }
 103 #if wxUSE_FILESYSTEM
 104         fnd = wxFileSystem::FileNameToURL(fnd);
 105 #endif
 106     }
 107
 108     return fnd;
 109 }
 110
 111 #if wxUSE_FILESYSTEM
 112
 113 /* static */
 114 bool wxXmlResource::IsArchive(const wxString& filename)
 115 {
 116     const wxString fnd = filename.Lower();
 117
 118     return fnd.Matches(wxT("*.zip")) || fnd.Matches(wxT("*.xrs"));
 119 }
 120
 121 #endif // wxUSE_FILESYSTEM
 122
 123 bool wxXmlResource::Load(const wxString& filemask)
 124 {
 125     wxString fnd;
 126     wxXmlResourceDataRecord *drec;
 127     bool iswild = wxIsWild(filemask);
 128     bool rt = true;
 129
 130 #if wxUSE_FILESYSTEM
 131     wxFileSystem fsys;
 132 #   define wxXmlFindFirst  fsys.FindFirst(filemask, wxFILE)
 133 #   define wxXmlFindNext   fsys.FindNext()
 134 #else
 135 #   define wxXmlFindFirst  wxFindFirstFile(filemask, wxFILE)
 136 #   define wxXmlFindNext   wxFindNextFile()
 137 #endif
 138     if (iswild)
 139         fnd = wxXmlFindFirst;
 140     else
 141         fnd = filemask;
 142     while (!fnd.empty())
 143     {
 144         fnd = ConvertFileNameToURL(fnd);
 145
 146 #if wxUSE_FILESYSTEM
 147         if ( IsArchive(fnd) )
 148         {
 149             rt = rt && Load(fnd + wxT("#zip:*.xrc"));
 150         }
 151         else // a single resource URL
 152 #endif // wxUSE_FILESYSTEM
 153         {
 154             drec = new wxXmlResourceDataRecord;
 155             drec->File = fnd;
 156             m_data.Add(drec);
 157         }
 158
 159         if (iswild)
 160             fnd = wxXmlFindNext;
 161         else
 162             fnd = wxEmptyString;
 163     }
 164 #   undef wxXmlFindFirst
 165 #   undef wxXmlFindNext
 166     return rt && UpdateResources();
 167 }
 168
 169 bool wxXmlResource::Unload(const wxString& filename)
 170 {
 171     wxASSERT_MSG( !wxIsWild(filename),
 172                     _T("wildcards not supported by wxXmlResource::Unload()") );
 173
 174     wxString fnd = ConvertFileNameToURL(filename);
 175 #if wxUSE_FILESYSTEM
 176     const bool isArchive = IsArchive(fnd);
 177     if ( isArchive )
 178         fnd += _T("#zip:");
 179 #endif // wxUSE_FILESYSTEM
 180
 181     bool unloaded = false;
 182     const size_t count = m_data.GetCount();
 183     for ( size_t i = 0; i < count; i++ )
 184     {
 185 #if wxUSE_FILESYSTEM
 186         if ( isArchive )
 187         {
 188             if ( m_data[i].File.StartsWith(fnd) )
 189                 unloaded = true;
 190             // don't break from the loop, we can have other matching files
 191         }
 192         else // a single resource URL
 193 #endif // wxUSE_FILESYSTEM
 194         {
 195             if ( m_data[i].File == fnd )
 196             {
 197                 m_data.RemoveAt(i);
 198                 unloaded = true;
 199
 200                 // no sense in continuing, there is only one file with this URL
 201                 break;
 202             }
 203         }
 204     }
 205
 206     return unloaded;
 207 }
 208
 209
 210 IMPLEMENT_ABSTRACT_CLASS(wxXmlResourceHandler, wxObject)
 211
 212 void wxXmlResource::AddHandler(wxXmlResourceHandler *handler)
 213 {
 214     m_handlers.Append(handler);
 215     handler->SetParentResource(this);
 216 }
 217
 218 void wxXmlResource::InsertHandler(wxXmlResourceHandler *handler)
 219 {
 220     m_handlers.Insert(handler);
 221     handler->SetParentResource(this);
 222 }
 223
 224
 225
 226 void wxXmlResource::ClearHandlers()
 227 {
 228     WX_CLEAR_LIST(wxList, m_handlers);
 229 }
 230
 231
 232 wxMenu *wxXmlResource::LoadMenu(const wxString& name)
 233 {
 234     return (wxMenu*)CreateResFromNode(FindResource(name, wxT("wxMenu")), NULL, NULL);
 235 }
 236
 237
 238
 239 wxMenuBar *wxXmlResource::LoadMenuBar(wxWindow *parent, const wxString& name)
 240 {
 241     return (wxMenuBar*)CreateResFromNode(FindResource(name, wxT("wxMenuBar")), parent, NULL);
 242 }
 243
 244
 245
 246 #if wxUSE_TOOLBAR
 247 wxToolBar *wxXmlResource::LoadToolBar(wxWindow *parent, const wxString& name)
 248 {
 249     return (wxToolBar*)CreateResFromNode(FindResource(name, wxT("wxToolBar")), parent, NULL);
 250 }
 251 #endif
 252
 253
 254 wxDialog *wxXmlResource::LoadDialog(wxWindow *parent, const wxString& name)
 255 {
 256     return (wxDialog*)CreateResFromNode(FindResource(name, wxT("wxDialog")), parent, NULL);
 257 }
 258
 259 bool wxXmlResource::LoadDialog(wxDialog *dlg, wxWindow *parent, const wxString& name)
 260 {
 261     return CreateResFromNode(FindResource(name, wxT("wxDialog")), parent, dlg) != NULL;
 262 }
 263
 264
 265
 266 wxPanel *wxXmlResource::LoadPanel(wxWindow *parent, const wxString& name)
 267 {
 268     return (wxPanel*)CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, NULL);
 269 }
 270
 271 bool wxXmlResource::LoadPanel(wxPanel *panel, wxWindow *parent, const wxString& name)
 272 {
 273     return CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, panel) != NULL;
 274 }
 275
 276 wxFrame *wxXmlResource::LoadFrame(wxWindow* parent, const wxString& name)
 277 {
 278     return (wxFrame*)CreateResFromNode(FindResource(name, wxT("wxFrame")), parent, NULL);
 279 }
 280
 281 bool wxXmlResource::LoadFrame(wxFrame* frame, wxWindow *parent, const wxString& name)
 282 {
 283     return CreateResFromNode(FindResource(name, wxT("wxFrame")), parent, frame) != NULL;
 284 }
 285
 286 wxBitmap wxXmlResource::LoadBitmap(const wxString& name)
 287 {
 288     wxBitmap *bmp = (wxBitmap*)CreateResFromNode(
 289                                FindResource(name, wxT("wxBitmap")), NULL, NULL);
 290     wxBitmap rt;
 291
 292     if (bmp) { rt = *bmp; delete bmp; }
 293     return rt;
 294 }
 295
 296 wxIcon wxXmlResource::LoadIcon(const wxString& name)
 297 {
 298     wxIcon *icon = (wxIcon*)CreateResFromNode(
 299                             FindResource(name, wxT("wxIcon")), NULL, NULL);
 300     wxIcon rt;
 301
 302     if (icon) { rt = *icon; delete icon; }
 303     return rt;
 304 }
 305
 306
 307 wxObject *wxXmlResource::LoadObject(wxWindow *parent, const wxString& name, const wxString& classname)
 308 {
 309     return CreateResFromNode(FindResource(name, classname), parent, NULL);
 310 }
 311
 312 bool wxXmlResource::LoadObject(wxObject *instance, wxWindow *parent, const wxString& name, const wxString& classname)
 313 {
 314     return CreateResFromNode(FindResource(name, classname), parent, instance) != NULL;
 315 }
 316
 317
 318 bool wxXmlResource::AttachUnknownControl(const wxString& name,
 319                                          wxWindow *control, wxWindow *parent)
 320 {
 321     if (parent == NULL)
 322         parent = control->GetParent();
 323     wxWindow *container = parent->FindWindow(name + wxT("_container"));
 324     if (!container)
 325     {
 326         wxLogError(_("Cannot find container for unknown control '%s'."), name.c_str());
 327         return false;
 328     }
 329     return control->Reparent(container);
 330 }
 331
 332
 333 static void ProcessPlatformProperty(wxXmlNode *node)
 334 {
 335     wxString s;
 336     bool isok;
 337
 338     wxXmlNode *c = node->GetChildren();
 339     while (c)
 340     {
 341         isok = false;
 342         if (!c->GetPropVal(wxT("platform"), &s))
 343             isok = true;
 344         else
 345         {
 346             wxStringTokenizer tkn(s, wxT(" |"));
 347
 348             while (tkn.HasMoreTokens())
 349             {
 350                 s = tkn.GetNextToken();
 351 #ifdef __WINDOWS__
 352                 if (s == wxT("win")) isok = true;
 353 #endif
 354 #if defined(__MAC__) || defined(__APPLE__)
 355                 if (s == wxT("mac")) isok = true;
 356 #elif defined(__UNIX__)
 357                 if (s == wxT("unix")) isok = true;
 358 #endif
 359 #ifdef __OS2__
 360                 if (s == wxT("os2")) isok = true;
 361 #endif
 362
 363                 if (isok)
 364                     break;
 365             }
 366         }
 367
 368         if (isok)
 369         {
 370             ProcessPlatformProperty(c);
 371             c = c->GetNext();
 372         }
 373         else
 374         {
 375             wxXmlNode *c2 = c->GetNext();
 376             node->RemoveChild(c);
 377             delete c;
 378             c = c2;
 379         }
 380     }
 381 }
 382
 383
 384
 385 bool wxXmlResource::UpdateResources()
 386 {
 387     bool rt = true;
 388     bool modif;
 389 #   if wxUSE_FILESYSTEM
 390     wxFSFile *file = NULL;
 391     wxUnusedVar(file);
 392     wxFileSystem fsys;
 393 #   endif
 394
 395     wxString encoding(wxT("UTF-8"));
 396 #if !wxUSE_UNICODE && wxUSE_INTL
 397     if ( (GetFlags() & wxXRC_USE_LOCALE) == 0 )
 398     {
 399         // In case we are not using wxLocale to translate strings, convert the
 400         // strings GUI's charset. This must not be done when wxXRC_USE_LOCALE
 401         // is on, because it could break wxGetTranslation lookup.
 402         encoding = wxLocale::GetSystemEncodingName();
 403     }
 404 #endif
 405
 406     for (size_t i = 0; i < m_data.GetCount(); i++)
 407     {
 408         modif = (m_data[i].Doc == NULL);
 409
 410         if (!modif && !(m_flags & wxXRC_NO_RELOADING))
 411         {
 412 #           if wxUSE_FILESYSTEM
 413             file = fsys.OpenFile(m_data[i].File);
 414 #           if wxUSE_DATETIME
 415             modif = file && file->GetModificationTime() > m_data[i].Time;
 416 #           else // wxUSE_DATETIME
 417             modif = true;
 418 #           endif // wxUSE_DATETIME
 419             if (!file)
 420             {
 421                 wxLogError(_("Cannot open file '%s'."), m_data[i].File.c_str());
 422                 rt = false;
 423             }
 424             wxDELETE(file);
 425             wxUnusedVar(file);
 426 #           else // wxUSE_FILESYSTEM
 427 #           if wxUSE_DATETIME
 428             modif = wxDateTime(wxFileModificationTime(m_data[i].File)) > m_data[i].Time;
 429 #           else // wxUSE_DATETIME
 430             modif = true;
 431 #           endif // wxUSE_DATETIME
 432 #           endif // wxUSE_FILESYSTEM
 433         }
 434
 435         if (modif)
 436         {
 437             wxLogTrace(_T("xrc"),
 438                        _T("opening file '%s'"), m_data[i].File.c_str());
 439
 440             wxInputStream *stream = NULL;
 441
 442 #           if wxUSE_FILESYSTEM
 443             file = fsys.OpenFile(m_data[i].File);
 444             if (file)
 445                 stream = file->GetStream();
 446 #           else
 447             stream = new wxFileInputStream(m_data[i].File);
 448 #           endif
 449
 450             if (stream)
 451             {
 452                 delete m_data[i].Doc;
 453                 m_data[i].Doc = new wxXmlDocument;
 454             }
 455             if (!stream || !m_data[i].Doc->Load(*stream, encoding))
 456             {
 457                 wxLogError(_("Cannot load resources from file '%s'."),
 458                            m_data[i].File.c_str());
 459                 wxDELETE(m_data[i].Doc);
 460                 rt = false;
 461             }
 462             else if (m_data[i].Doc->GetRoot()->GetName() != wxT("resource"))
 463             {
 464                 wxLogError(_("Invalid XRC resource '%s': doesn't have root node 'resource'."), m_data[i].File.c_str());
 465                 wxDELETE(m_data[i].Doc);
 466                 rt = false;
 467             }
 468             else
 469             {
 470                 long version;
 471                 int v1, v2, v3, v4;
 472                 wxString verstr = m_data[i].Doc->GetRoot()->GetPropVal(
 473                                       wxT("version"), wxT("0.0.0.0"));
 474                 if (wxSscanf(verstr.c_str(), wxT("%i.%i.%i.%i"),
 475                     &v1, &v2, &v3, &v4) == 4)
 476                     version = v1*256*256*256+v2*256*256+v3*256+v4;
 477                 else
 478                     version = 0;
 479                 if (m_version == -1)
 480                     m_version = version;
 481                 if (m_version != version)
 482                 {
 483                     wxLogError(_("Resource files must have same version number!"));
 484                     rt = false;
 485                 }
 486
 487                 ProcessPlatformProperty(m_data[i].Doc->GetRoot());
 488 #if wxUSE_DATETIME
 489 #if wxUSE_FILESYSTEM
 490                 m_data[i].Time = file->GetModificationTime();
 491 #else // wxUSE_FILESYSTEM
 492                 m_data[i].Time = wxDateTime(wxFileModificationTime(m_data[i].File));
 493 #endif // wxUSE_FILESYSTEM
 494 #endif // wxUSE_DATETIME
 495             }
 496
 497 #           if wxUSE_FILESYSTEM
 498                 wxDELETE(file);
 499                 wxUnusedVar(file);
 500 #           else
 501                 wxDELETE(stream);
 502 #           endif
 503         }
 504     }
 505
 506     return rt;
 507 }
 508
 509
 510 wxXmlNode *wxXmlResource::DoFindResource(wxXmlNode *parent,
 511                                          const wxString& name,
 512                                          const wxString& classname,
 513                                          bool recursive)
 514 {
 515     wxString dummy;
 516     wxXmlNode *node;
 517
 518     // first search for match at the top-level nodes (as this is
 519     // where the resource is most commonly looked for):
 520     for (node = parent->GetChildren(); node; node = node->GetNext())
 521     {
 522         if ( node->GetType() == wxXML_ELEMENT_NODE &&
 523                  (node->GetName() == wxT("object") ||
 524                   node->GetName() == wxT("object_ref")) &&
 525              node->GetPropVal(wxT("name"), &dummy) && dummy == name )
 526         {
 527             wxString cls(node->GetPropVal(wxT("class"), wxEmptyString));
 528             if (!classname || cls == classname)
 529                 return node;
 530             // object_ref may not have 'class' property:
 531             if (cls.empty() && node->GetName() == wxT("object_ref"))
 532             {
 533                 wxString refName = node->GetPropVal(wxT("ref"), wxEmptyString);
 534                 if (refName.empty())
 535                     continue;
 536                 wxXmlNode* refNode = FindResource(refName, wxEmptyString, true);
 537                 if (refNode &&
 538                     refNode->GetPropVal(wxT("class"), wxEmptyString) == classname)
 539                 {
 540                     return node;
 541                 }
 542             }
 543         }
 544     }
 545
 546     if ( recursive )
 547         for (node = parent->GetChildren(); node; node = node->GetNext())
 548         {
 549             if ( node->GetType() == wxXML_ELEMENT_NODE &&
 550                  (node->GetName() == wxT("object") ||
 551                   node->GetName() == wxT("object_ref")) )
 552             {
 553                 wxXmlNode* found = DoFindResource(node, name, classname, true);
 554                 if ( found )
 555                     return found;
 556             }
 557         }
 558
 559    return NULL;
 560 }
 561
 562 wxXmlNode *wxXmlResource::FindResource(const wxString& name,
 563                                        const wxString& classname,
 564                                        bool recursive)
 565 {
 566     UpdateResources(); //ensure everything is up-to-date
 567
 568     wxString dummy;
 569     for (size_t f = 0; f < m_data.GetCount(); f++)
 570     {
 571         if ( m_data[f].Doc == NULL || m_data[f].Doc->GetRoot() == NULL )
 572             continue;
 573
 574         wxXmlNode* found = DoFindResource(m_data[f].Doc->GetRoot(),
 575                                           name, classname, recursive);
 576         if ( found )
 577         {
 578 #if wxUSE_FILESYSTEM
 579             m_curFileSystem.ChangePathTo(m_data[f].File);
 580 #endif
 581             return found;
 582         }
 583     }
 584
 585     wxLogError(_("XRC resource '%s' (class '%s') not found!"),
 586                name.c_str(), classname.c_str());
 587     return NULL;
 588 }
 589
 590 static void MergeNodes(wxXmlNode& dest, wxXmlNode& with)
 591 {
 592     // Merge properties:
 593     for (wxXmlProperty *prop = with.GetProperties(); prop; prop = prop->GetNext())
 594     {
 595         wxXmlProperty *dprop;
 596         for (dprop = dest.GetProperties(); dprop; dprop = dprop->GetNext())
 597         {
 598
 599             if ( dprop->GetName() == prop->GetName() )
 600             {
 601                 dprop->SetValue(prop->GetValue());
 602                 break;
 603             }
 604         }
 605
 606         if ( !dprop )
 607             dest.AddProperty(prop->GetName(), prop->GetValue());
 608    }
 609
 610     // Merge child nodes:
 611     for (wxXmlNode* node = with.GetChildren(); node; node = node->GetNext())
 612     {
 613         wxString name = node->GetPropVal(wxT("name"), wxEmptyString);
 614         wxXmlNode *dnode;
 615
 616         for (dnode = dest.GetChildren(); dnode; dnode = dnode->GetNext() )
 617         {
 618             if ( dnode->GetName() == node->GetName() &&
 619                  dnode->GetPropVal(wxT("name"), wxEmptyString) == name &&
 620                  dnode->GetType() == node->GetType() )
 621             {
 622                 MergeNodes(*dnode, *node);
 623                 break;
 624             }
 625         }
 626
 627         if ( !dnode )
 628             dest.AddChild(new wxXmlNode(*node));
 629     }
 630
 631     if ( dest.GetType() == wxXML_TEXT_NODE && with.GetContent().Length() )
 632          dest.SetContent(with.GetContent());
 633 }
 634
 635 wxObject *wxXmlResource::CreateResFromNode(wxXmlNode *node, wxObject *parent,
 636                                            wxObject *instance,
 637                                            wxXmlResourceHandler *handlerToUse)
 638 {
 639     if (node == NULL) return NULL;
 640
 641     // handling of referenced resource
 642     if ( node->GetName() == wxT("object_ref") )
 643     {
 644         wxString refName = node->GetPropVal(wxT("ref"), wxEmptyString);
 645         wxXmlNode* refNode = FindResource(refName, wxEmptyString, true);
 646
 647         if ( !refNode )
 648         {
 649             wxLogError(_("Referenced object node with ref=\"%s\" not found!"),
 650                        refName.c_str());
 651             return NULL;
 652         }
 653
 654         wxXmlNode copy(*refNode);
 655         MergeNodes(copy, *node);
 656
 657         return CreateResFromNode(&copy, parent, instance);
 658     }
 659
 660     wxXmlResourceHandler *handler;
 661
 662     if (handlerToUse)
 663     {
 664         if (handlerToUse->CanHandle(node))
 665         {
 666             return handlerToUse->CreateResource(node, parent, instance);
 667         }
 668     }
 669     else if (node->GetName() == wxT("object"))
 670     {
 671         wxList::compatibility_iterator ND = m_handlers.GetFirst();
 672         while (ND)
 673         {
 674             handler = (wxXmlResourceHandler*)ND->GetData();
 675             if (handler->CanHandle(node))
 676             {
 677                 return handler->CreateResource(node, parent, instance);
 678             }
 679             ND = ND->GetNext();
 680         }
 681     }
 682
 683     wxLogError(_("No handler found for XML node '%s', class '%s'!"),
 684                node->GetName().c_str(),
 685                node->GetPropVal(wxT("class"), wxEmptyString).c_str());
 686     return NULL;
 687 }
 688
 689
 690 #include "wx/listimpl.cpp"
 691 WX_DECLARE_LIST(wxXmlSubclassFactory, wxXmlSubclassFactoriesList);
 692 WX_DEFINE_LIST(wxXmlSubclassFactoriesList)
 693
 694 wxXmlSubclassFactoriesList *wxXmlResource::ms_subclassFactories = NULL;
 695
 696 /*static*/ void wxXmlResource::AddSubclassFactory(wxXmlSubclassFactory *factory)
 697 {
 698     if (!ms_subclassFactories)
 699     {
 700         ms_subclassFactories = new wxXmlSubclassFactoriesList;
 701     }
 702     ms_subclassFactories->Append(factory);
 703 }
 704
 705 class wxXmlSubclassFactoryCXX : public wxXmlSubclassFactory
 706 {
 707 public:
 708     ~wxXmlSubclassFactoryCXX() {}
 709
 710     wxObject *Create(const wxString& className)
 711     {
 712         wxClassInfo* classInfo = wxClassInfo::FindClass(className);
 713
 714         if (classInfo)
 715             return classInfo->CreateObject();
 716         else
 717             return NULL;
 718     }
 719 };
 720
 721
 722
 723
 724 wxXmlResourceHandler::wxXmlResourceHandler()
 725         : m_node(NULL), m_parent(NULL), m_instance(NULL),
 726           m_parentAsWindow(NULL)
 727 {}
 728
 729
 730
 731 wxObject *wxXmlResourceHandler::CreateResource(wxXmlNode *node, wxObject *parent, wxObject *instance)
 732 {
 733     wxXmlNode *myNode = m_node;
 734     wxString myClass = m_class;
 735     wxObject *myParent = m_parent, *myInstance = m_instance;
 736     wxWindow *myParentAW = m_parentAsWindow;
 737
 738     m_instance = instance;
 739     if (!m_instance && node->HasProp(wxT("subclass")) &&
 740         !(m_resource->GetFlags() & wxXRC_NO_SUBCLASSING))
 741     {
 742         wxString subclass = node->GetPropVal(wxT("subclass"), wxEmptyString);
 743         if (!subclass.empty())
 744         {
 745             for (wxXmlSubclassFactoriesList::compatibility_iterator i = wxXmlResource::ms_subclassFactories->GetFirst();
 746                  i; i = i->GetNext())
 747             {
 748                 m_instance = i->GetData()->Create(subclass);
 749                 if (m_instance)
 750                     break;
 751             }
 752
 753             if (!m_instance)
 754             {
 755                 wxString name = node->GetPropVal(wxT("name"), wxEmptyString);
 756                 wxLogError(_("Subclass '%s' not found for resource '%s', not subclassing!"),
 757                            subclass.c_str(), name.c_str());
 758             }
 759         }
 760     }
 761
 762     m_node = node;
 763     m_class = node->GetPropVal(wxT("class"), wxEmptyString);
 764     m_parent = parent;
 765     m_parentAsWindow = wxDynamicCast(m_parent, wxWindow);
 766
 767     wxObject *returned = DoCreateResource();
 768
 769     m_node = myNode;
 770     m_class = myClass;
 771     m_parent = myParent; m_parentAsWindow = myParentAW;
 772     m_instance = myInstance;
 773
 774     return returned;
 775 }
 776
 777
 778 void wxXmlResourceHandler::AddStyle(const wxString& name, int value)
 779 {
 780     m_styleNames.Add(name);
 781     m_styleValues.Add(value);
 782 }
 783
 784
 785
 786 void wxXmlResourceHandler::AddWindowStyles()
 787 {
 788     XRC_ADD_STYLE(wxCLIP_CHILDREN);
 789
 790     // the border styles all have the old and new names, recognize both for now
 791     XRC_ADD_STYLE(wxSIMPLE_BORDER); XRC_ADD_STYLE(wxBORDER_SIMPLE);
 792     XRC_ADD_STYLE(wxSUNKEN_BORDER); XRC_ADD_STYLE(wxBORDER_SUNKEN);
 793     XRC_ADD_STYLE(wxDOUBLE_BORDER); XRC_ADD_STYLE(wxBORDER_DOUBLE);
 794     XRC_ADD_STYLE(wxRAISED_BORDER); XRC_ADD_STYLE(wxBORDER_RAISED);
 795     XRC_ADD_STYLE(wxSTATIC_BORDER); XRC_ADD_STYLE(wxBORDER_STATIC);
 796     XRC_ADD_STYLE(wxNO_BORDER);     XRC_ADD_STYLE(wxBORDER_NONE);
 797
 798     XRC_ADD_STYLE(wxTRANSPARENT_WINDOW);
 799     XRC_ADD_STYLE(wxWANTS_CHARS);
 800     XRC_ADD_STYLE(wxTAB_TRAVERSAL);
 801     XRC_ADD_STYLE(wxNO_FULL_REPAINT_ON_RESIZE);
 802     XRC_ADD_STYLE(wxFULL_REPAINT_ON_RESIZE);
 803     XRC_ADD_STYLE(wxALWAYS_SHOW_SB);
 804     XRC_ADD_STYLE(wxWS_EX_BLOCK_EVENTS);
 805     XRC_ADD_STYLE(wxWS_EX_VALIDATE_RECURSIVELY);
 806 }
 807
 808
 809
 810 bool wxXmlResourceHandler::HasParam(const wxString& param)
 811 {
 812     return (GetParamNode(param) != NULL);
 813 }
 814
 815
 816 int wxXmlResourceHandler::GetStyle(const wxString& param, int defaults)
 817 {
 818     wxString s = GetParamValue(param);
 819
 820     if (!s) return defaults;
 821
 822     wxStringTokenizer tkn(s, wxT("| \t\n"), wxTOKEN_STRTOK);
 823     int style = 0;
 824     int index;
 825     wxString fl;
 826     while (tkn.HasMoreTokens())
 827     {
 828         fl = tkn.GetNextToken();
 829         index = m_styleNames.Index(fl);
 830         if (index != wxNOT_FOUND)
 831             style |= m_styleValues[index];
 832         else
 833             wxLogError(_("Unknown style flag ") + fl);
 834     }
 835     return style;
 836 }
 837
 838
 839
 840 wxString wxXmlResourceHandler::GetText(const wxString& param, bool translate)
 841 {
 842     wxXmlNode *parNode = GetParamNode(param);
 843     wxString str1(GetNodeContent(parNode));
 844     wxString str2;
 845     const wxChar *dt;
 846     wxChar amp_char;
 847
 848     // VS: First version of XRC resources used $ instead of & (which is
 849     //     illegal in XML), but later I realized that '_' fits this purpose
 850     //     much better (because &File means "File with F underlined").
 851     if (m_resource->CompareVersion(2,3,0,1) < 0)
 852         amp_char = wxT('$');
 853     else
 854         amp_char = wxT('_');
 855
 856     for (dt = str1.c_str(); *dt; dt++)
 857     {
 858         // Remap amp_char to &, map double amp_char to amp_char (for things
 859         // like "&File..." -- this is illegal in XML, so we use "_File..."):
 860         if (*dt == amp_char)
 861         {
 862             if ( *(++dt) == amp_char )
 863                 str2 << amp_char;
 864             else
 865                 str2 << wxT('&') << *dt;
 866         }
 867         // Remap \n to CR, \r to LF, \t to TAB, \\ to \:
 868         else if (*dt == wxT('\\'))
 869             switch (*(++dt))
 870             {
 871                 case wxT('n'):
 872                     str2 << wxT('\n');
 873                     break;
 874
 875                 case wxT('t'):
 876                     str2 << wxT('\t');
 877                     break;
 878
 879                 case wxT('r'):
 880                     str2 << wxT('\r');
 881                     break;
 882
 883                 case wxT('\\') :
 884                     // "\\" wasn't translated to "\" prior to 2.5.3.0:
 885                     if (m_resource->CompareVersion(2,5,3,0) >= 0)
 886                     {
 887                         str2 << wxT('\\');
 888                         break;
 889                     }
 890                     // else fall-through to default: branch below
 891
 892                 default:
 893                     str2 << wxT('\\') << *dt;
 894                     break;
 895             }
 896         else str2 << *dt;
 897     }
 898
 899     if (m_resource->GetFlags() & wxXRC_USE_LOCALE)
 900     {
 901         if (translate && parNode &&
 902             parNode->GetPropVal(wxT("translate"), wxEmptyString) != wxT("0"))
 903         {
 904             return wxGetTranslation(str2);
 905         }
 906         else
 907         {
 908 #if wxUSE_UNICODE
 909             return str2;
 910 #else
 911             // The string is internally stored as UTF-8, we have to convert
 912             // it into system's default encoding so that it can be displayed:
 913             return wxString(str2.mb_str(wxConvUTF8), wxConvLocal);
 914 #endif
 915         }
 916     }
 917
 918     // If wxXRC_USE_LOCALE is not set, then the string is already in
 919     // system's default encoding in ANSI build, so we don't have to
 920     // do anything special here.
 921     return str2;
 922 }
 923
 924
 925
 926 long wxXmlResourceHandler::GetLong(const wxString& param, long defaultv)
 927 {
 928     long value;
 929     wxString str1 = GetParamValue(param);
 930
 931     if (!str1.ToLong(&value))
 932         value = defaultv;
 933
 934     return value;
 935 }
 936
 937 float wxXmlResourceHandler::GetFloat(const wxString& param, float defaultv)
 938 {
 939     double value;
 940     wxString str1 = GetParamValue(param);
 941
 942 #ifndef __WXWINCE__
 943     const char *prevlocale = setlocale(LC_NUMERIC, "C");
 944 #endif
 945
 946     if (!str1.ToDouble(&value))
 947         value = defaultv;
 948
 949 #ifndef __WXWINCE__
 950     setlocale(LC_NUMERIC, prevlocale);
 951 #endif
 952
 953     return wx_truncate_cast(float, value);
 954 }
 955
 956
 957 int wxXmlResourceHandler::GetID()
 958 {
 959     return wxXmlResource::GetXRCID(GetName());
 960 }
 961
 962
 963
 964 wxString wxXmlResourceHandler::GetName()
 965 {
 966     return m_node->GetPropVal(wxT("name"), wxT("-1"));
 967 }
 968
 969
 970
 971 bool wxXmlResourceHandler::GetBool(const wxString& param, bool defaultv)
 972 {
 973     wxString v = GetParamValue(param);
 974     v.MakeLower();
 975     if (!v) return defaultv;
 976
 977     return (v == wxT("1"));
 978 }
 979
 980
 981 static wxColour GetSystemColour(const wxString& name)
 982 {
 983     if (!name.empty())
 984     {
 985         #define SYSCLR(clr) \
 986             if (name == _T(#clr)) return wxSystemSettings::GetColour(clr);
 987         SYSCLR(wxSYS_COLOUR_SCROLLBAR)
 988         SYSCLR(wxSYS_COLOUR_BACKGROUND)
 989         SYSCLR(wxSYS_COLOUR_DESKTOP)
 990         SYSCLR(wxSYS_COLOUR_ACTIVECAPTION)
 991         SYSCLR(wxSYS_COLOUR_INACTIVECAPTION)
 992         SYSCLR(wxSYS_COLOUR_MENU)
 993         SYSCLR(wxSYS_COLOUR_WINDOW)
 994         SYSCLR(wxSYS_COLOUR_WINDOWFRAME)
 995         SYSCLR(wxSYS_COLOUR_MENUTEXT)
 996         SYSCLR(wxSYS_COLOUR_WINDOWTEXT)
 997         SYSCLR(wxSYS_COLOUR_CAPTIONTEXT)
 998         SYSCLR(wxSYS_COLOUR_ACTIVEBORDER)
 999         SYSCLR(wxSYS_COLOUR_INACTIVEBORDER)
1000         SYSCLR(wxSYS_COLOUR_APPWORKSPACE)
1001         SYSCLR(wxSYS_COLOUR_HIGHLIGHT)
1002         SYSCLR(wxSYS_COLOUR_HIGHLIGHTTEXT)
1003         SYSCLR(wxSYS_COLOUR_BTNFACE)
1004         SYSCLR(wxSYS_COLOUR_3DFACE)
1005         SYSCLR(wxSYS_COLOUR_BTNSHADOW)
1006         SYSCLR(wxSYS_COLOUR_3DSHADOW)
1007         SYSCLR(wxSYS_COLOUR_GRAYTEXT)
1008         SYSCLR(wxSYS_COLOUR_BTNTEXT)
1009         SYSCLR(wxSYS_COLOUR_INACTIVECAPTIONTEXT)
1010         SYSCLR(wxSYS_COLOUR_BTNHIGHLIGHT)
1011         SYSCLR(wxSYS_COLOUR_BTNHILIGHT)
1012         SYSCLR(wxSYS_COLOUR_3DHIGHLIGHT)
1013         SYSCLR(wxSYS_COLOUR_3DHILIGHT)
1014         SYSCLR(wxSYS_COLOUR_3DDKSHADOW)
1015         SYSCLR(wxSYS_COLOUR_3DLIGHT)
1016         SYSCLR(wxSYS_COLOUR_INFOTEXT)
1017         SYSCLR(wxSYS_COLOUR_INFOBK)
1018         SYSCLR(wxSYS_COLOUR_LISTBOX)
1019         SYSCLR(wxSYS_COLOUR_HOTLIGHT)
1020         SYSCLR(wxSYS_COLOUR_GRADIENTACTIVECAPTION)
1021         SYSCLR(wxSYS_COLOUR_GRADIENTINACTIVECAPTION)
1022         SYSCLR(wxSYS_COLOUR_MENUHILIGHT)
1023         SYSCLR(wxSYS_COLOUR_MENUBAR)
1024         #undef SYSCLR
1025     }
1026
1027     return wxNullColour;
1028 }
1029
1030 wxColour wxXmlResourceHandler::GetColour(const wxString& param)
1031 {
1032     wxString v = GetParamValue(param);
1033
1034     // find colour using HTML syntax (#RRGGBB)
1035     unsigned long tmp = 0;
1036
1037     if (v.Length() != 7 || v[0u] != wxT('#') ||
1038         wxSscanf(v.c_str(), wxT("#%lX"), &tmp) != 1)
1039     {
1040         // the colour doesn't use #RRGGBB format, check if it is symbolic
1041         // colour name:
1042         wxColour clr = GetSystemColour(v);
1043         if (clr.Ok())
1044             return clr;
1045
1046         wxLogError(_("XRC resource: Incorrect colour specification '%s' for property '%s'."),
1047                    v.c_str(), param.c_str());
1048         return wxNullColour;
1049     }
1050
1051     return wxColour((unsigned char) ((tmp & 0xFF0000) >> 16) ,
1052                     (unsigned char) ((tmp & 0x00FF00) >> 8),
1053                     (unsigned char) ((tmp & 0x0000FF)));
1054 }
1055
1056
1057
1058 wxBitmap wxXmlResourceHandler::GetBitmap(const wxString& param,
1059                                          const wxArtClient& defaultArtClient,
1060                                          wxSize size)
1061 {
1062     /* If the bitmap is specified as stock item, query wxArtProvider for it: */
1063     wxXmlNode *bmpNode = GetParamNode(param);
1064     if ( bmpNode )
1065     {
1066         wxString sid = bmpNode->GetPropVal(wxT("stock_id"), wxEmptyString);
1067         if ( !sid.empty() )
1068         {
1069             wxString scl = bmpNode->GetPropVal(wxT("stock_client"), wxEmptyString);
1070             if (scl.empty())
1071                 scl = defaultArtClient;
1072             else
1073                 scl = wxART_MAKE_CLIENT_ID_FROM_STR(scl);
1074
1075             wxBitmap stockArt =
1076                 wxArtProvider::GetBitmap(wxART_MAKE_ART_ID_FROM_STR(sid),
1077                                          scl, size);
1078             if ( stockArt.Ok() )
1079                 return stockArt;
1080         }
1081     }
1082
1083     /* ...or load the bitmap from file: */
1084     wxString name = GetParamValue(param);
1085     if (name.empty()) return wxNullBitmap;
1086 #if wxUSE_FILESYSTEM
1087     wxFSFile *fsfile = GetCurFileSystem().OpenFile(name);
1088     if (fsfile == NULL)
1089     {
1090         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."),
1091                    name.c_str());
1092         return wxNullBitmap;
1093     }
1094     wxImage img(*(fsfile->GetStream()));
1095     delete fsfile;
1096 #else
1097     wxImage img(name);
1098 #endif
1099
1100     if (!img.Ok())
1101     {
1102         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."),
1103                    name.c_str());
1104         return wxNullBitmap;
1105     }
1106     if (!(size == wxDefaultSize)) img.Rescale(size.x, size.y);
1107     return wxBitmap(img);
1108 }
1109
1110
1111
1112 wxIcon wxXmlResourceHandler::GetIcon(const wxString& param,
1113                                      const wxArtClient& defaultArtClient,
1114                                      wxSize size)
1115 {
1116     wxIcon icon;
1117     icon.CopyFromBitmap(GetBitmap(param, defaultArtClient, size));
1118     return icon;
1119 }
1120
1121
1122
1123 wxXmlNode *wxXmlResourceHandler::GetParamNode(const wxString& param)
1124 {
1125     wxCHECK_MSG(m_node, NULL, wxT("You can't access handler data before it was initialized!"));
1126
1127     wxXmlNode *n = m_node->GetChildren();
1128
1129     while (n)
1130     {
1131         if (n->GetType() == wxXML_ELEMENT_NODE && n->GetName() == param)
1132             return n;
1133         n = n->GetNext();
1134     }
1135     return NULL;
1136 }
1137
1138
1139 wxString wxXmlResourceHandler::GetNodeContent(wxXmlNode *node)
1140 {
1141     wxXmlNode *n = node;
1142     if (n == NULL) return wxEmptyString;
1143     n = n->GetChildren();
1144
1145     while (n)
1146     {
1147         if (n->GetType() == wxXML_TEXT_NODE ||
1148             n->GetType() == wxXML_CDATA_SECTION_NODE)
1149             return n->GetContent();
1150         n = n->GetNext();
1151     }
1152     return wxEmptyString;
1153 }
1154
1155
1156
1157 wxString wxXmlResourceHandler::GetParamValue(const wxString& param)
1158 {
1159     if (param.empty())
1160         return GetNodeContent(m_node);
1161     else
1162         return GetNodeContent(GetParamNode(param));
1163 }
1164
1165
1166
1167 wxSize wxXmlResourceHandler::GetSize(const wxString& param,
1168                                      wxWindow *windowToUse)
1169 {
1170     wxString s = GetParamValue(param);
1171     if (s.empty()) s = wxT("-1,-1");
1172     bool is_dlg;
1173     long sx, sy = 0;
1174
1175     is_dlg = s[s.Length()-1] == wxT('d');
1176     if (is_dlg) s.RemoveLast();
1177
1178     if (!s.BeforeFirst(wxT(',')).ToLong(&sx) ||
1179         !s.AfterLast(wxT(',')).ToLong(&sy))
1180     {
1181         wxLogError(_("Cannot parse coordinates from '%s'."), s.c_str());
1182         return wxDefaultSize;
1183     }
1184
1185     if (is_dlg)
1186     {
1187         if (windowToUse)
1188         {
1189             return wxDLG_UNIT(windowToUse, wxSize(sx, sy));
1190         }
1191         else if (m_parentAsWindow)
1192         {
1193             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, sy));
1194         }
1195         else
1196         {
1197             wxLogError(_("Cannot convert dialog units: dialog unknown."));
1198             return wxDefaultSize;
1199         }
1200     }
1201
1202     return wxSize(sx, sy);
1203 }
1204
1205
1206
1207 wxPoint wxXmlResourceHandler::GetPosition(const wxString& param)
1208 {
1209     wxSize sz = GetSize(param);
1210     return wxPoint(sz.x, sz.y);
1211 }
1212
1213
1214
1215 wxCoord wxXmlResourceHandler::GetDimension(const wxString& param,
1216                                            wxCoord defaultv,
1217                                            wxWindow *windowToUse)
1218 {
1219     wxString s = GetParamValue(param);
1220     if (s.empty()) return defaultv;
1221     bool is_dlg;
1222     long sx;
1223
1224     is_dlg = s[s.Length()-1] == wxT('d');
1225     if (is_dlg) s.RemoveLast();
1226
1227     if (!s.ToLong(&sx))
1228     {
1229         wxLogError(_("Cannot parse dimension from '%s'."), s.c_str());
1230         return defaultv;
1231     }
1232
1233     if (is_dlg)
1234     {
1235         if (windowToUse)
1236         {
1237             return wxDLG_UNIT(windowToUse, wxSize(sx, 0)).x;
1238         }
1239         else if (m_parentAsWindow)
1240         {
1241             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, 0)).x;
1242         }
1243         else
1244         {
1245             wxLogError(_("Cannot convert dialog units: dialog unknown."));
1246             return defaultv;
1247         }
1248     }
1249
1250     return sx;
1251 }
1252
1253
1254 // Get system font index using indexname
1255 static wxFont GetSystemFont(const wxString& name)
1256 {
1257     if (!name.empty())
1258     {
1259         #define SYSFNT(fnt) \
1260             if (name == _T(#fnt)) return wxSystemSettings::GetFont(fnt);
1261         SYSFNT(wxSYS_OEM_FIXED_FONT)
1262         SYSFNT(wxSYS_ANSI_FIXED_FONT)
1263         SYSFNT(wxSYS_ANSI_VAR_FONT)
1264         SYSFNT(wxSYS_SYSTEM_FONT)
1265         SYSFNT(wxSYS_DEVICE_DEFAULT_FONT)
1266         SYSFNT(wxSYS_DEFAULT_PALETTE)
1267         SYSFNT(wxSYS_SYSTEM_FIXED_FONT)
1268         SYSFNT(wxSYS_DEFAULT_GUI_FONT)
1269         #undef SYSFNT
1270     }
1271
1272     return wxNullFont;
1273 }
1274
1275 wxFont wxXmlResourceHandler::GetFont(const wxString& param)
1276 {
1277     wxXmlNode *font_node = GetParamNode(param);
1278     if (font_node == NULL)
1279     {
1280         wxLogError(_("Cannot find font node '%s'."), param.c_str());
1281         return wxNullFont;
1282     }
1283
1284     wxXmlNode *oldnode = m_node;
1285     m_node = font_node;
1286
1287     // font attributes:
1288
1289     // size
1290     int isize = -1;
1291     bool hasSize = HasParam(wxT("size"));
1292     if (hasSize)
1293         isize = GetLong(wxT("size"), -1);
1294
1295     // style
1296     int istyle = wxNORMAL;
1297     bool hasStyle = HasParam(wxT("style"));
1298     if (hasStyle)
1299     {
1300         wxString style = GetParamValue(wxT("style"));
1301         if (style == wxT("italic"))
1302             istyle = wxITALIC;
1303         else if (style == wxT("slant"))
1304             istyle = wxSLANT;
1305     }
1306
1307     // weight
1308     int iweight = wxNORMAL;
1309     bool hasWeight = HasParam(wxT("weight"));
1310     if (hasWeight)
1311     {
1312         wxString weight = GetParamValue(wxT("weight"));
1313         if (weight == wxT("bold"))
1314             iweight = wxBOLD;
1315         else if (weight == wxT("light"))
1316             iweight = wxLIGHT;
1317     }
1318
1319     // underline
1320     bool hasUnderlined = HasParam(wxT("underlined"));
1321     bool underlined = hasUnderlined ? GetBool(wxT("underlined"), false) : false;
1322
1323     // family and facename
1324     int ifamily = wxDEFAULT;
1325     bool hasFamily = HasParam(wxT("family"));
1326     if (hasFamily)
1327     {
1328         wxString family = GetParamValue(wxT("family"));
1329              if (family == wxT("decorative")) ifamily = wxDECORATIVE;
1330         else if (family == wxT("roman")) ifamily = wxROMAN;
1331         else if (family == wxT("script")) ifamily = wxSCRIPT;
1332         else if (family == wxT("swiss")) ifamily = wxSWISS;
1333         else if (family == wxT("modern")) ifamily = wxMODERN;
1334         else if (family == wxT("teletype")) ifamily = wxTELETYPE;
1335     }
1336
1337
1338     wxString facename;
1339     bool hasFacename = HasParam(wxT("face"));
1340     if (hasFacename)
1341     {
1342         wxString faces = GetParamValue(wxT("face"));
1343         wxFontEnumerator enu;
1344         enu.EnumerateFacenames();
1345         wxStringTokenizer tk(faces, wxT(","));
1346         while (tk.HasMoreTokens())
1347         {
1348             int index = enu.GetFacenames()->Index(tk.GetNextToken(), false);
1349             if (index != wxNOT_FOUND)
1350             {
1351                 facename = (*enu.GetFacenames())[index];
1352                 break;
1353             }
1354         }
1355     }
1356
1357     // encoding
1358     wxFontEncoding enc = wxFONTENCODING_DEFAULT;
1359     bool hasEncoding = HasParam(wxT("encoding"));
1360     if (hasEncoding)
1361     {
1362         wxString encoding = GetParamValue(wxT("encoding"));
1363         wxFontMapper mapper;
1364         if (!encoding.empty())
1365             enc = mapper.CharsetToEncoding(encoding);
1366         if (enc == wxFONTENCODING_SYSTEM)
1367             enc = wxFONTENCODING_DEFAULT;
1368     }
1369
1370     // is this font based on a system font?
1371     wxFont font = GetSystemFont(GetParamValue(wxT("sysfont")));
1372
1373     if (font.Ok())
1374     {
1375         if (hasSize && isize != -1)
1376             font.SetPointSize(isize);
1377         else if (HasParam(wxT("relativesize")))
1378             font.SetPointSize(int(font.GetPointSize() *
1379                                      GetFloat(wxT("relativesize"))));
1380
1381         if (hasStyle)
1382             font.SetStyle(istyle);
1383         if (hasWeight)
1384             font.SetWeight(iweight);
1385         if (hasUnderlined)
1386             font.SetUnderlined(underlined);
1387         if (hasFamily)
1388             font.SetFamily(ifamily);
1389         if (hasFacename)
1390             font.SetFaceName(facename);
1391         if (hasEncoding)
1392             font.SetDefaultEncoding(enc);
1393     }
1394     else // not based on system font
1395     {
1396         font = wxFont(isize == -1 ? wxNORMAL_FONT->GetPointSize() : isize,
1397                       ifamily, istyle, iweight,
1398                       underlined, facename, enc);
1399     }
1400
1401     m_node = oldnode;
1402     return font;
1403 }
1404
1405
1406 void wxXmlResourceHandler::SetupWindow(wxWindow *wnd)
1407 {
1408     //FIXME : add cursor
1409
1410     if (HasParam(wxT("exstyle")))
1411         // Have to OR it with existing style, since
1412         // some implementations (e.g. wxGTK) use the extra style
1413         // during creation
1414         wnd->SetExtraStyle(wnd->GetExtraStyle() | GetStyle(wxT("exstyle")));
1415     if (HasParam(wxT("bg")))
1416         wnd->SetBackgroundColour(GetColour(wxT("bg")));
1417     if (HasParam(wxT("fg")))
1418         wnd->SetForegroundColour(GetColour(wxT("fg")));
1419     if (GetBool(wxT("enabled"), 1) == 0)
1420         wnd->Enable(false);
1421     if (GetBool(wxT("focused"), 0) == 1)
1422         wnd->SetFocus();
1423     if (GetBool(wxT("hidden"), 0) == 1)
1424         wnd->Show(false);
1425 #if wxUSE_TOOLTIPS
1426     if (HasParam(wxT("tooltip")))
1427         wnd->SetToolTip(GetText(wxT("tooltip")));
1428 #endif
1429     if (HasParam(wxT("font")))
1430         wnd->SetFont(GetFont());
1431     if (HasParam(wxT("help")))
1432         wnd->SetHelpText(GetText(wxT("help")));
1433 }
1434
1435
1436 void wxXmlResourceHandler::CreateChildren(wxObject *parent, bool this_hnd_only)
1437 {
1438     wxXmlNode *n = m_node->GetChildren();
1439
1440     while (n)
1441     {
1442         if (n->GetType() == wxXML_ELEMENT_NODE &&
1443            (n->GetName() == wxT("object") || n->GetName() == wxT("object_ref")))
1444         {
1445             m_resource->CreateResFromNode(n, parent, NULL,
1446                                           this_hnd_only ? this : NULL);
1447         }
1448         n = n->GetNext();
1449     }
1450 }
1451
1452
1453 void wxXmlResourceHandler::CreateChildrenPrivately(wxObject *parent, wxXmlNode *rootnode)
1454 {
1455     wxXmlNode *root;
1456     if (rootnode == NULL) root = m_node; else root = rootnode;
1457     wxXmlNode *n = root->GetChildren();
1458
1459     while (n)
1460     {
1461         if (n->GetType() == wxXML_ELEMENT_NODE && CanHandle(n))
1462         {
1463             CreateResource(n, parent, NULL);
1464         }
1465         n = n->GetNext();
1466     }
1467 }
1468
1469
1470
1471
1472
1473
1474
1475 // --------------- XRCID implementation -----------------------------
1476
1477 #define XRCID_TABLE_SIZE     1024
1478
1479
1480 struct XRCID_record
1481 {
1482     int id;
1483     wxChar *key;
1484     XRCID_record *next;
1485 };
1486
1487 static XRCID_record *XRCID_Records[XRCID_TABLE_SIZE] = {NULL};
1488
1489 static int XRCID_Lookup(const wxChar *str_id, int value_if_not_found = -2)
1490 {
1491     int index = 0;
1492
1493     for (const wxChar *c = str_id; *c != wxT('\0'); c++) index += (int)*c;
1494     index %= XRCID_TABLE_SIZE;
1495
1496     XRCID_record *oldrec = NULL;
1497     for (XRCID_record *rec = XRCID_Records[index]; rec; rec = rec->next)
1498     {
1499         if (wxStrcmp(rec->key, str_id) == 0)
1500         {
1501             return rec->id;
1502         }
1503         oldrec = rec;
1504     }
1505
1506     XRCID_record **rec_var = (oldrec == NULL) ?
1507                               &XRCID_Records[index] : &oldrec->next;
1508     *rec_var = new XRCID_record;
1509     (*rec_var)->key = wxStrdup(str_id);
1510     (*rec_var)->next = NULL;
1511
1512     wxChar *end;
1513     if (value_if_not_found != -2)
1514         (*rec_var)->id = value_if_not_found;
1515     else
1516     {
1517         int asint = wxStrtol(str_id, &end, 10);
1518         if (*str_id && *end == 0)
1519         {
1520             // if str_id was integer, keep it verbosely:
1521             (*rec_var)->id = asint;
1522         }
1523         else
1524         {
1525             (*rec_var)->id = wxNewId();
1526         }
1527     }
1528
1529     return (*rec_var)->id;
1530 }
1531
1532 static void AddStdXRCID_Records();
1533
1534 /*static*/ int wxXmlResource::GetXRCID(const wxChar *str_id)
1535 {
1536     static bool s_stdIDsAdded = false;
1537
1538     if ( !s_stdIDsAdded )
1539     {
1540         s_stdIDsAdded = true;
1541         AddStdXRCID_Records();
1542     }
1543
1544     return XRCID_Lookup(str_id);
1545 }
1546
1547
1548 static void CleanXRCID_Record(XRCID_record *rec)
1549 {
1550     if (rec)
1551     {
1552         CleanXRCID_Record(rec->next);
1553         free(rec->key);
1554         delete rec;
1555     }
1556 }
1557
1558 static void CleanXRCID_Records()
1559 {
1560     for (int i = 0; i < XRCID_TABLE_SIZE; i++)
1561     {
1562         CleanXRCID_Record(XRCID_Records[i]);
1563         XRCID_Records[i] = NULL;
1564     }
1565 }
1566
1567 static void AddStdXRCID_Records()
1568 {
1569 #define stdID(id) XRCID_Lookup(wxT(#id), id)
1570     stdID(-1);
1571
1572     stdID(wxID_ANY);
1573     stdID(wxID_SEPARATOR);
1574
1575     stdID(wxID_OPEN);
1576     stdID(wxID_CLOSE);
1577     stdID(wxID_NEW);
1578     stdID(wxID_SAVE);
1579     stdID(wxID_SAVEAS);
1580     stdID(wxID_REVERT);
1581     stdID(wxID_EXIT);
1582     stdID(wxID_UNDO);
1583     stdID(wxID_REDO);
1584     stdID(wxID_HELP);
1585     stdID(wxID_PRINT);
1586     stdID(wxID_PRINT_SETUP);
1587     stdID(wxID_PREVIEW);
1588     stdID(wxID_ABOUT);
1589     stdID(wxID_HELP_CONTENTS);
1590     stdID(wxID_HELP_COMMANDS);
1591     stdID(wxID_HELP_PROCEDURES);
1592     stdID(wxID_HELP_CONTEXT);
1593     stdID(wxID_CLOSE_ALL);
1594     stdID(wxID_PREFERENCES);
1595     stdID(wxID_CUT);
1596     stdID(wxID_COPY);
1597     stdID(wxID_PASTE);
1598     stdID(wxID_CLEAR);
1599     stdID(wxID_FIND);
1600     stdID(wxID_DUPLICATE);
1601     stdID(wxID_SELECTALL);
1602     stdID(wxID_DELETE);
1603     stdID(wxID_REPLACE);
1604     stdID(wxID_REPLACE_ALL);
1605     stdID(wxID_PROPERTIES);
1606     stdID(wxID_VIEW_DETAILS);
1607     stdID(wxID_VIEW_LARGEICONS);
1608     stdID(wxID_VIEW_SMALLICONS);
1609     stdID(wxID_VIEW_LIST);
1610     stdID(wxID_VIEW_SORTDATE);
1611     stdID(wxID_VIEW_SORTNAME);
1612     stdID(wxID_VIEW_SORTSIZE);
1613     stdID(wxID_VIEW_SORTTYPE);
1614     stdID(wxID_FILE1);
1615     stdID(wxID_FILE2);
1616     stdID(wxID_FILE3);
1617     stdID(wxID_FILE4);
1618     stdID(wxID_FILE5);
1619     stdID(wxID_FILE6);
1620     stdID(wxID_FILE7);
1621     stdID(wxID_FILE8);
1622     stdID(wxID_FILE9);
1623     stdID(wxID_OK);
1624     stdID(wxID_CANCEL);
1625     stdID(wxID_APPLY);
1626     stdID(wxID_YES);
1627     stdID(wxID_NO);
1628     stdID(wxID_STATIC);
1629     stdID(wxID_FORWARD);
1630     stdID(wxID_BACKWARD);
1631     stdID(wxID_DEFAULT);
1632     stdID(wxID_MORE);
1633     stdID(wxID_SETUP);
1634     stdID(wxID_RESET);
1635     stdID(wxID_CONTEXT_HELP);
1636     stdID(wxID_YESTOALL);
1637     stdID(wxID_NOTOALL);
1638     stdID(wxID_ABORT);
1639     stdID(wxID_RETRY);
1640     stdID(wxID_IGNORE);
1641     stdID(wxID_ADD);
1642     stdID(wxID_REMOVE);
1643     stdID(wxID_UP);
1644     stdID(wxID_DOWN);
1645     stdID(wxID_HOME);
1646     stdID(wxID_REFRESH);
1647     stdID(wxID_STOP);
1648     stdID(wxID_INDEX);
1649     stdID(wxID_BOLD);
1650     stdID(wxID_ITALIC);
1651     stdID(wxID_JUSTIFY_CENTER);
1652     stdID(wxID_JUSTIFY_FILL);
1653     stdID(wxID_JUSTIFY_RIGHT);
1654     stdID(wxID_JUSTIFY_LEFT);
1655     stdID(wxID_UNDERLINE);
1656     stdID(wxID_INDENT);
1657     stdID(wxID_UNINDENT);
1658     stdID(wxID_ZOOM_100);
1659     stdID(wxID_ZOOM_FIT);
1660     stdID(wxID_ZOOM_IN);
1661     stdID(wxID_ZOOM_OUT);
1662     stdID(wxID_UNDELETE);
1663     stdID(wxID_REVERT_TO_SAVED);
1664     stdID(wxID_SYSTEM_MENU);
1665     stdID(wxID_CLOSE_FRAME);
1666     stdID(wxID_MOVE_FRAME);
1667     stdID(wxID_RESIZE_FRAME);
1668     stdID(wxID_MAXIMIZE_FRAME);
1669     stdID(wxID_ICONIZE_FRAME);
1670     stdID(wxID_RESTORE_FRAME);
1671
1672 #undef stdID
1673 }
1674
1675
1676
1677
1678
1679 // --------------- module and globals -----------------------------
1680
1681 class wxXmlResourceModule: public wxModule
1682 {
1683 DECLARE_DYNAMIC_CLASS(wxXmlResourceModule)
1684 public:
1685     wxXmlResourceModule() {}
1686     bool OnInit()
1687     {
1688         wxXmlResource::AddSubclassFactory(new wxXmlSubclassFactoryCXX);
1689         return true;
1690     }
1691     void OnExit()
1692     {
1693         delete wxXmlResource::Set(NULL);
1694         if(wxXmlResource::ms_subclassFactories)
1695             WX_CLEAR_LIST(wxXmlSubclassFactoriesList, *wxXmlResource::ms_subclassFactories);
1696         wxDELETE(wxXmlResource::ms_subclassFactories);
1697         CleanXRCID_Records();
1698     }
1699 };
1700
1701 IMPLEMENT_DYNAMIC_CLASS(wxXmlResourceModule, wxModule)
1702
1703
1704 // When wxXml is loaded dynamically after the application is already running
1705 // then the built-in module system won't pick this one up.  Add it manually.
1706 void wxXmlInitResourceModule()
1707 {
1708     wxModule* module = new wxXmlResourceModule;
1709     module->Init();
1710     wxModule::RegisterModule(module);
1711 }
1712
1713 #endif // wxUSE_XRC