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 #ifdef __GNUG__
  12 #pragma implementation "xmlres.h"
  13 #endif
  14
  15 // For compilers that support precompilation, includes "wx.h".
  16 #include "wx/wxprec.h"
  17
  18 #ifdef __BORLANDC__
  19     #pragma hdrstop
  20 #endif
  21
  22 #include "wx/dialog.h"
  23 #include "wx/panel.h"
  24 #include "wx/frame.h"
  25 #include "wx/wfstream.h"
  26 #include "wx/filesys.h"
  27 #include "wx/filename.h"
  28 #include "wx/log.h"
  29 #include "wx/intl.h"
  30 #include "wx/tokenzr.h"
  31 #include "wx/fontenum.h"
  32 #include "wx/module.h"
  33 #include "wx/bitmap.h"
  34 #include "wx/image.h"
  35 #include "wx/fontmap.h"
  36 #include "wx/artprov.h"
  37
  38 #include "wx/xml/xml.h"
  39 #include "wx/xrc/xmlres.h"
  40
  41 #include "wx/arrimpl.cpp"
  42 WX_DEFINE_OBJARRAY(wxXmlResourceDataRecords);
  43
  44
  45 wxXmlResource *wxXmlResource::ms_instance = NULL;
  46
  47 /*static*/ wxXmlResource *wxXmlResource::Get()
  48 {
  49     if ( !ms_instance )
  50         ms_instance = new wxXmlResource;
  51     return ms_instance;
  52 }
  53
  54 /*static*/ wxXmlResource *wxXmlResource::Set(wxXmlResource *res)
  55 {
  56     wxXmlResource *old = ms_instance;
  57     ms_instance = res;
  58     return old;
  59 }
  60
  61 wxXmlResource::wxXmlResource(int flags)
  62 {
  63     m_handlers.DeleteContents(TRUE);
  64     m_flags = flags;
  65     m_version = -1;
  66 }
  67
  68 wxXmlResource::wxXmlResource(const wxString& filemask, int flags)
  69 {
  70     m_flags = flags;
  71     m_version = -1;
  72     m_handlers.DeleteContents(TRUE);
  73     Load(filemask);
  74 }
  75
  76 wxXmlResource::~wxXmlResource()
  77 {
  78     ClearHandlers();
  79 }
  80
  81
  82 bool wxXmlResource::Load(const wxString& filemask)
  83 {
  84     wxString fnd;
  85     wxXmlResourceDataRecord *drec;
  86     bool iswild = wxIsWild(filemask);
  87     bool rt = TRUE;
  88
  89 #if wxUSE_FILESYSTEM
  90     wxFileSystem fsys;
  91 #   define wxXmlFindFirst  fsys.FindFirst(filemask, wxFILE)
  92 #   define wxXmlFindNext   fsys.FindNext()
  93 #else
  94 #   define wxXmlFindFirst  wxFindFirstFile(filemask, wxFILE)
  95 #   define wxXmlFindNext   wxFindNextFile()
  96 #endif
  97     if (iswild)
  98         fnd = wxXmlFindFirst;
  99     else
 100         fnd = filemask;
 101     while (!!fnd)
 102     {
 103         // NB: Load() accepts both filenames and URLs (should probably be
 104         //     changed to filenames only, but embedded resources currently
 105         //     rely on its ability to handle URLs - FIXME). This check
 106         //     serves as a quick way to determine whether found name is
 107         //     filename and not URL:
 108         if (wxFileName::FileExists(fnd))
 109         {
 110             // Make the name absolute filename, because the app may
 111             // change working directory later:
 112             wxFileName fn(fnd);
 113             if (fn.IsRelative())
 114             {
 115                 fn.MakeAbsolute();
 116                 fnd = fn.GetFullPath();
 117             }
 118 #if wxUSE_FILESYSTEM
 119             fnd = wxFileSystem::FileNameToURL(fnd);
 120 #endif
 121         }
 122
 123 #if wxUSE_FILESYSTEM
 124         if (fnd.Lower().Matches(wxT("*.zip")) ||
 125             fnd.Lower().Matches(wxT("*.xrs")))
 126         {
 127             wxString url(wxFileSystem::FileNameToURL(fnd));
 128             rt = rt && Load(url + wxT("#zip:*.xrc"));
 129         }
 130         else
 131 #endif
 132         {
 133             drec = new wxXmlResourceDataRecord;
 134             drec->File = fnd;
 135             m_data.Add(drec);
 136         }
 137
 138         if (iswild)
 139             fnd = wxXmlFindNext;
 140         else
 141             fnd = wxEmptyString;
 142     }
 143 #   undef wxXmlFindFirst
 144 #   undef wxXmlFindNext
 145     return rt;
 146 }
 147
 148
 149 IMPLEMENT_ABSTRACT_CLASS(wxXmlResourceHandler, wxObject)
 150
 151 void wxXmlResource::AddHandler(wxXmlResourceHandler *handler)
 152 {
 153     m_handlers.Append(handler);
 154     handler->SetParentResource(this);
 155 }
 156
 157 void wxXmlResource::InsertHandler(wxXmlResourceHandler *handler)
 158 {
 159     m_handlers.Insert(handler);
 160     handler->SetParentResource(this);
 161 }
 162
 163
 164
 165 void wxXmlResource::ClearHandlers()
 166 {
 167     m_handlers.Clear();
 168 }
 169
 170
 171 wxMenu *wxXmlResource::LoadMenu(const wxString& name)
 172 {
 173     return (wxMenu*)CreateResFromNode(FindResource(name, wxT("wxMenu")), NULL, NULL);
 174 }
 175
 176
 177
 178 wxMenuBar *wxXmlResource::LoadMenuBar(wxWindow *parent, const wxString& name)
 179 {
 180     return (wxMenuBar*)CreateResFromNode(FindResource(name, wxT("wxMenuBar")), parent, NULL);
 181 }
 182
 183
 184
 185 #if wxUSE_TOOLBAR
 186 wxToolBar *wxXmlResource::LoadToolBar(wxWindow *parent, const wxString& name)
 187 {
 188     return (wxToolBar*)CreateResFromNode(FindResource(name, wxT("wxToolBar")), parent, NULL);
 189 }
 190 #endif
 191
 192
 193 wxDialog *wxXmlResource::LoadDialog(wxWindow *parent, const wxString& name)
 194 {
 195     return (wxDialog*)CreateResFromNode(FindResource(name, wxT("wxDialog")), parent, NULL);
 196 }
 197
 198 bool wxXmlResource::LoadDialog(wxDialog *dlg, wxWindow *parent, const wxString& name)
 199 {
 200     return CreateResFromNode(FindResource(name, wxT("wxDialog")), parent, dlg) != NULL;
 201 }
 202
 203
 204
 205 wxPanel *wxXmlResource::LoadPanel(wxWindow *parent, const wxString& name)
 206 {
 207     return (wxPanel*)CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, NULL);
 208 }
 209
 210 bool wxXmlResource::LoadPanel(wxPanel *panel, wxWindow *parent, const wxString& name)
 211 {
 212     return CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, panel) != NULL;
 213 }
 214
 215 wxFrame *wxXmlResource::LoadFrame(wxWindow* parent, const wxString& name)
 216 {
 217     return (wxFrame*)CreateResFromNode(FindResource(name, wxT("wxFrame")), parent, NULL);
 218 }
 219
 220 bool wxXmlResource::LoadFrame(wxFrame* frame, wxWindow *parent, const wxString& name)
 221 {
 222     return CreateResFromNode(FindResource(name, wxT("wxFrame")), parent, frame) != NULL;
 223 }
 224
 225 wxBitmap wxXmlResource::LoadBitmap(const wxString& name)
 226 {
 227     wxBitmap *bmp = (wxBitmap*)CreateResFromNode(
 228                                FindResource(name, wxT("wxBitmap")), NULL, NULL);
 229     wxBitmap rt;
 230
 231     if (bmp) { rt = *bmp; delete bmp; }
 232     return rt;
 233 }
 234
 235 wxIcon wxXmlResource::LoadIcon(const wxString& name)
 236 {
 237     wxIcon *icon = (wxIcon*)CreateResFromNode(
 238                             FindResource(name, wxT("wxIcon")), NULL, NULL);
 239     wxIcon rt;
 240
 241     if (icon) { rt = *icon; delete icon; }
 242     return rt;
 243 }
 244
 245
 246 wxObject *wxXmlResource::LoadObject(wxWindow *parent, const wxString& name, const wxString& classname)
 247 {
 248     return CreateResFromNode(FindResource(name, classname), parent, NULL);
 249 }
 250
 251 bool wxXmlResource::LoadObject(wxObject *instance, wxWindow *parent, const wxString& name, const wxString& classname)
 252 {
 253     return CreateResFromNode(FindResource(name, classname), parent, instance) != NULL;
 254 }
 255
 256
 257 bool wxXmlResource::AttachUnknownControl(const wxString& name,
 258                                          wxWindow *control, wxWindow *parent)
 259 {
 260     if (parent == NULL)
 261         parent = control->GetParent();
 262     wxWindow *container = parent->FindWindow(name + wxT("_container"));
 263     if (!container)
 264     {
 265         wxLogError(_("Cannot find container for unknown control '%s'."), name.c_str());
 266         return FALSE;
 267     }
 268     return control->Reparent(container);
 269 }
 270
 271
 272 static void ProcessPlatformProperty(wxXmlNode *node)
 273 {
 274     wxString s;
 275     bool isok;
 276
 277     wxXmlNode *c = node->GetChildren();
 278     while (c)
 279     {
 280         isok = FALSE;
 281         if (!c->GetPropVal(wxT("platform"), &s))
 282             isok = TRUE;
 283         else
 284         {
 285             wxStringTokenizer tkn(s, wxT(" |"));
 286
 287             while (tkn.HasMoreTokens())
 288             {
 289                 s = tkn.GetNextToken();
 290 #ifdef __WXMSW__
 291                 if (s == wxT("win")) isok = true;
 292 #endif
 293 #ifdef __UNIX__
 294                 if (s == wxT("unix")) isok = true;
 295 #endif
 296 #ifdef __MAC__
 297                 if (s == wxT("mac")) isok = true;
 298 #endif
 299 #ifdef __OS2__
 300                 if (s == wxT("os2")) isok = true;
 301 #endif
 302
 303                 if (isok)
 304                     break;
 305             }
 306         }
 307
 308         if (isok)
 309         {
 310             ProcessPlatformProperty(c);
 311             c = c->GetNext();
 312         }
 313         else
 314         {
 315             wxXmlNode *c2 = c->GetNext();
 316             node->RemoveChild(c);
 317             delete c;
 318             c = c2;
 319         }
 320     }
 321 }
 322
 323
 324
 325 void wxXmlResource::UpdateResources()
 326 {
 327     bool modif;
 328 #   if wxUSE_FILESYSTEM
 329     wxFSFile *file = NULL;
 330     wxFileSystem fsys;
 331 #   endif
 332
 333     wxString encoding(wxT("UTF-8"));
 334 #if !wxUSE_UNICODE && wxUSE_INTL
 335     if ( (GetFlags() & wxXRC_USE_LOCALE) == 0 )
 336     {
 337         // In case we are not using wxLocale to translate strings, convert the
 338         // strings GUI's charset. This must not be done when wxXRC_USE_LOCALE
 339         // is on, because it could break wxGetTranslation lookup.
 340         encoding = wxLocale::GetSystemEncodingName();
 341     }
 342 #endif
 343
 344     for (size_t i = 0; i < m_data.GetCount(); i++)
 345     {
 346         modif = (m_data[i].Doc == NULL);
 347
 348         if (!modif)
 349         {
 350 #           if wxUSE_FILESYSTEM
 351             file = fsys.OpenFile(m_data[i].File);
 352             modif = file && file->GetModificationTime() > m_data[i].Time;
 353             if (!file)
 354                 wxLogError(_("Cannot open file '%s'."), m_data[i].File.c_str());
 355             wxDELETE(file);
 356 #           else
 357             modif = wxDateTime(wxFileModificationTime(m_data[i].File)) > m_data[i].Time;
 358 #           endif
 359         }
 360
 361         if (modif)
 362         {
 363             wxInputStream *stream = NULL;
 364
 365 #           if wxUSE_FILESYSTEM
 366             file = fsys.OpenFile(m_data[i].File);
 367                         if (file)
 368                                 stream = file->GetStream();
 369 #           else
 370             stream = new wxFileInputStream(m_data[i].File);
 371 #           endif
 372
 373             if (stream)
 374             {
 375                 delete m_data[i].Doc;
 376                 m_data[i].Doc = new wxXmlDocument;
 377             }
 378             if (!stream || !m_data[i].Doc->Load(*stream, encoding))
 379             {
 380                 wxLogError(_("Cannot load resources from file '%s'."),
 381                            m_data[i].File.c_str());
 382                 wxDELETE(m_data[i].Doc);
 383             }
 384             else if (m_data[i].Doc->GetRoot()->GetName() != wxT("resource"))
 385             {
 386                 wxLogError(_("Invalid XRC resource '%s': doesn't have root node 'resource'."), m_data[i].File.c_str());
 387                 wxDELETE(m_data[i].Doc);
 388             }
 389             else
 390                         {
 391                 long version;
 392                 int v1, v2, v3, v4;
 393                 wxString verstr = m_data[i].Doc->GetRoot()->GetPropVal(
 394                                       wxT("version"), wxT("0.0.0.0"));
 395                 if (wxSscanf(verstr.c_str(), wxT("%i.%i.%i.%i"),
 396                     &v1, &v2, &v3, &v4) == 4)
 397                     version = v1*256*256*256+v2*256*256+v3*256+v4;
 398                 else
 399                     version = 0;
 400                 if (m_version == -1)
 401                     m_version = version;
 402                 if (m_version != version)
 403                     wxLogError(_("Resource files must have same version number!"));
 404
 405                 ProcessPlatformProperty(m_data[i].Doc->GetRoot());
 406                                 m_data[i].Time = file->GetModificationTime();
 407                         }
 408
 409 #           if wxUSE_FILESYSTEM
 410                                 wxDELETE(file);
 411 #           else
 412                                 wxDELETE(stream);
 413 #           endif
 414         }
 415     }
 416 }
 417
 418
 419 wxXmlNode *wxXmlResource::DoFindResource(wxXmlNode *parent,
 420                                          const wxString& name,
 421                                          const wxString& classname,
 422                                          bool recursive)
 423 {
 424     wxString dummy;
 425     wxXmlNode *node;
 426
 427     // first search for match at the top-level nodes (as this is
 428     // where the resource is most commonly looked for):
 429     for (node = parent->GetChildren(); node; node = node->GetNext())
 430     {
 431         if ( node->GetType() == wxXML_ELEMENT_NODE &&
 432                  (node->GetName() == wxT("object") ||
 433                   node->GetName() == wxT("object_ref")) &&
 434              node->GetPropVal(wxT("name"), &dummy) && dummy == name )
 435         {
 436             wxString cls(node->GetPropVal(wxT("class"), wxEmptyString));
 437             if (!classname || cls == classname)
 438                 return node;
 439             // object_ref may not have 'class' property:
 440             if (cls.empty() && node->GetName() == wxT("object_ref"))
 441             {
 442                 wxString refName = node->GetPropVal(wxT("ref"), wxEmptyString);
 443                 if (refName.empty())
 444                     continue;
 445                 wxXmlNode* refNode = FindResource(refName, wxEmptyString, TRUE);
 446                 if (refNode &&
 447                     refNode->GetPropVal(wxT("class"), wxEmptyString) == classname)
 448                 {
 449                     return node;
 450                 }
 451             }
 452         }
 453     }
 454
 455     if ( recursive )
 456         for (node = parent->GetChildren(); node; node = node->GetNext())
 457         {
 458             if ( node->GetType() == wxXML_ELEMENT_NODE &&
 459                  (node->GetName() == wxT("object") ||
 460                   node->GetName() == wxT("object_ref")) )
 461             {
 462                 wxXmlNode* found = DoFindResource(node, name, classname, TRUE);
 463                 if ( found )
 464                     return found;
 465             }
 466         }
 467
 468    return NULL;
 469 }
 470
 471 wxXmlNode *wxXmlResource::FindResource(const wxString& name,
 472                                        const wxString& classname,
 473                                        bool recursive)
 474 {
 475     UpdateResources(); //ensure everything is up-to-date
 476
 477     wxString dummy;
 478     for (size_t f = 0; f < m_data.GetCount(); f++)
 479     {
 480         if ( m_data[f].Doc == NULL || m_data[f].Doc->GetRoot() == NULL )
 481             continue;
 482
 483         wxXmlNode* found = DoFindResource(m_data[f].Doc->GetRoot(),
 484                                           name, classname, recursive);
 485         if ( found )
 486         {
 487 #if wxUSE_FILESYSTEM
 488             m_curFileSystem.ChangePathTo(m_data[f].File);
 489 #endif
 490             return found;
 491         }
 492     }
 493
 494     wxLogError(_("XRC resource '%s' (class '%s') not found!"),
 495                name.c_str(), classname.c_str());
 496     return NULL;
 497 }
 498
 499 static void MergeNodes(wxXmlNode& dest, wxXmlNode& with)
 500 {
 501     // Merge properties:
 502     for (wxXmlProperty *prop = with.GetProperties(); prop; prop = prop->GetNext())
 503     {
 504         wxXmlProperty *dprop;
 505         for (dprop = dest.GetProperties(); dprop; dprop = dprop->GetNext())
 506         {
 507
 508             if ( dprop->GetName() == prop->GetName() )
 509             {
 510                 dprop->SetValue(prop->GetValue());
 511                 break;
 512             }
 513         }
 514
 515         if ( !dprop )
 516             dest.AddProperty(prop->GetName(), prop->GetValue());
 517    }
 518
 519     // Merge child nodes:
 520     for (wxXmlNode* node = with.GetChildren(); node; node = node->GetNext())
 521     {
 522         wxString name = node->GetPropVal(wxT("name"), wxEmptyString);
 523         wxXmlNode *dnode;
 524
 525         for (dnode = dest.GetChildren(); dnode; dnode = dnode->GetNext() )
 526         {
 527             if ( dnode->GetName() == node->GetName() &&
 528                  dnode->GetPropVal(wxT("name"), wxEmptyString) == name &&
 529                  dnode->GetType() == node->GetType() )
 530             {
 531                 MergeNodes(*dnode, *node);
 532                 break;
 533             }
 534         }
 535
 536         if ( !dnode )
 537             dest.AddChild(new wxXmlNode(*node));
 538     }
 539
 540     if ( dest.GetType() == wxXML_TEXT_NODE && with.GetContent().Length() )
 541          dest.SetContent(with.GetContent());
 542 }
 543
 544 wxObject *wxXmlResource::CreateResFromNode(wxXmlNode *node, wxObject *parent,
 545                                            wxObject *instance,
 546                                            wxXmlResourceHandler *handlerToUse)
 547 {
 548     if (node == NULL) return NULL;
 549
 550     // handling of referenced resource
 551     if ( node->GetName() == wxT("object_ref") )
 552     {
 553         wxString refName = node->GetPropVal(wxT("ref"), wxEmptyString);
 554         wxXmlNode* refNode = FindResource(refName, wxEmptyString, TRUE);
 555
 556         if ( !refNode )
 557         {
 558             wxLogError(_("Referenced object node with ref=\"%s\" not found!"),
 559                        refName.c_str());
 560             return NULL;
 561         }
 562
 563         wxXmlNode copy(*refNode);
 564         MergeNodes(copy, *node);
 565
 566         return CreateResFromNode(&copy, parent, instance);
 567     }
 568
 569     wxXmlResourceHandler *handler;
 570
 571     if (handlerToUse)
 572     {
 573         if (handlerToUse->CanHandle(node))
 574         {
 575             return handlerToUse->CreateResource(node, parent, instance);
 576         }
 577     }
 578     else if (node->GetName() == wxT("object"))
 579     {
 580         wxNode *ND = m_handlers.GetFirst();
 581         while (ND)
 582         {
 583             handler = (wxXmlResourceHandler*)ND->GetData();
 584             if (handler->CanHandle(node))
 585             {
 586                 return handler->CreateResource(node, parent, instance);
 587             }
 588             ND = ND->GetNext();
 589         }
 590     }
 591
 592     wxLogError(_("No handler found for XML node '%s', class '%s'!"),
 593                node->GetName().c_str(),
 594                node->GetPropVal(wxT("class"), wxEmptyString).c_str());
 595     return NULL;
 596 }
 597
 598
 599 #include "wx/listimpl.cpp"
 600 WX_DECLARE_LIST(wxXmlSubclassFactory, wxXmlSubclassFactoriesList);
 601 WX_DEFINE_LIST(wxXmlSubclassFactoriesList);
 602
 603 wxXmlSubclassFactoriesList *wxXmlResource::ms_subclassFactories = NULL;
 604
 605 /*static*/ void wxXmlResource::AddSubclassFactory(wxXmlSubclassFactory *factory)
 606 {
 607     if (!ms_subclassFactories)
 608     {
 609         ms_subclassFactories = new wxXmlSubclassFactoriesList;
 610         ms_subclassFactories->DeleteContents(TRUE);
 611     }
 612     ms_subclassFactories->Append(factory);
 613 }
 614
 615 class wxXmlSubclassFactoryCXX : public wxXmlSubclassFactory
 616 {
 617 public:
 618     ~wxXmlSubclassFactoryCXX() {}
 619
 620     wxObject *Create(const wxString& className)
 621     {
 622         wxClassInfo* classInfo = wxClassInfo::FindClass(className);
 623
 624         if (classInfo)
 625             return classInfo->CreateObject();
 626         else
 627             return NULL;
 628     }
 629 };
 630
 631
 632
 633
 634
 635 wxXmlResourceHandler::wxXmlResourceHandler()
 636         : m_node(NULL), m_parent(NULL), m_instance(NULL),
 637           m_parentAsWindow(NULL), m_instanceAsWindow(NULL)
 638 {}
 639
 640
 641
 642 wxObject *wxXmlResourceHandler::CreateResource(wxXmlNode *node, wxObject *parent, wxObject *instance)
 643 {
 644     wxXmlNode *myNode = m_node;
 645     wxString myClass = m_class;
 646     wxObject *myParent = m_parent, *myInstance = m_instance;
 647     wxWindow *myParentAW = m_parentAsWindow, *myInstanceAW = m_instanceAsWindow;
 648
 649     m_instance = instance;
 650     if (!m_instance && node->HasProp(wxT("subclass")) &&
 651         !(m_resource->GetFlags() & wxXRC_NO_SUBCLASSING))
 652     {
 653         wxString subclass = node->GetPropVal(wxT("subclass"), wxEmptyString);
 654         if (!subclass.empty())
 655         {
 656             for (wxXmlSubclassFactoriesList::Node *i = wxXmlResource::ms_subclassFactories->GetFirst();
 657                  i; i = i->GetNext())
 658             {
 659                 m_instance = i->GetData()->Create(subclass);
 660                 if (m_instance)
 661                     break;
 662             }
 663
 664             if (!m_instance)
 665             {
 666                 wxString name = node->GetPropVal(wxT("name"), wxEmptyString);
 667                 wxLogError(_("Subclass '%s' not found for resource '%s', not subclassing!"),
 668                            subclass.c_str(), name.c_str());
 669             }
 670         }
 671     }
 672
 673     m_node = node;
 674     m_class = node->GetPropVal(wxT("class"), wxEmptyString);
 675     m_parent = parent;
 676     m_parentAsWindow = wxDynamicCast(m_parent, wxWindow);
 677     m_instanceAsWindow = wxDynamicCast(m_instance, wxWindow);
 678
 679     wxObject *returned = DoCreateResource();
 680
 681     m_node = myNode;
 682     m_class = myClass;
 683     m_parent = myParent; m_parentAsWindow = myParentAW;
 684     m_instance = myInstance; m_instanceAsWindow = myInstanceAW;
 685
 686     return returned;
 687 }
 688
 689
 690 void wxXmlResourceHandler::AddStyle(const wxString& name, int value)
 691 {
 692     m_styleNames.Add(name);
 693     m_styleValues.Add(value);
 694 }
 695
 696
 697
 698 void wxXmlResourceHandler::AddWindowStyles()
 699 {
 700     XRC_ADD_STYLE(wxSIMPLE_BORDER);
 701     XRC_ADD_STYLE(wxSUNKEN_BORDER);
 702     XRC_ADD_STYLE(wxDOUBLE_BORDER);
 703     XRC_ADD_STYLE(wxRAISED_BORDER);
 704     XRC_ADD_STYLE(wxSTATIC_BORDER);
 705     XRC_ADD_STYLE(wxNO_BORDER);
 706     XRC_ADD_STYLE(wxTRANSPARENT_WINDOW);
 707     XRC_ADD_STYLE(wxWANTS_CHARS);
 708     XRC_ADD_STYLE(wxNO_FULL_REPAINT_ON_RESIZE);
 709 }
 710
 711
 712
 713 bool wxXmlResourceHandler::HasParam(const wxString& param)
 714 {
 715     return (GetParamNode(param) != NULL);
 716 }
 717
 718
 719 int wxXmlResourceHandler::GetStyle(const wxString& param, int defaults)
 720 {
 721     wxString s = GetParamValue(param);
 722
 723     if (!s) return defaults;
 724
 725     wxStringTokenizer tkn(s, wxT("| \t\n"), wxTOKEN_STRTOK);
 726     int style = 0;
 727     int index;
 728     wxString fl;
 729     while (tkn.HasMoreTokens())
 730     {
 731         fl = tkn.GetNextToken();
 732         index = m_styleNames.Index(fl);
 733         if (index != wxNOT_FOUND)
 734             style |= m_styleValues[index];
 735         else
 736             wxLogError(_("Unknown style flag ") + fl);
 737     }
 738     return style;
 739 }
 740
 741
 742
 743 wxString wxXmlResourceHandler::GetText(const wxString& param, bool translate)
 744 {
 745     wxString str1(GetParamValue(param));
 746     wxString str2;
 747     const wxChar *dt;
 748     wxChar amp_char;
 749
 750     // VS: First version of XRC resources used $ instead of & (which is
 751     //     illegal in XML), but later I realized that '_' fits this purpose
 752     //     much better (because &File means "File with F underlined").
 753     if (m_resource->CompareVersion(2,3,0,1) < 0)
 754         amp_char = wxT('$');
 755     else
 756         amp_char = wxT('_');
 757
 758     for (dt = str1.c_str(); *dt; dt++)
 759     {
 760         // Remap amp_char to &, map double amp_char to amp_char (for things
 761         // like "&File..." -- this is illegal in XML, so we use "_File..."):
 762         if (*dt == amp_char)
 763         {
 764             if ( *(++dt) == amp_char )
 765                 str2 << amp_char;
 766             else
 767                 str2 << wxT('&') << *dt;
 768         }
 769         // Remap \n to CR, \r to LF, \t to TAB:
 770         else if (*dt == wxT('\\'))
 771             switch (*(++dt))
 772             {
 773                 case wxT('n') : str2 << wxT('\n'); break;
 774                 case wxT('t') : str2 << wxT('\t'); break;
 775                 case wxT('r') : str2 << wxT('\r'); break;
 776                 default       : str2 << wxT('\\') << *dt; break;
 777             }
 778         else str2 << *dt;
 779     }
 780
 781     if (translate && m_resource->GetFlags() & wxXRC_USE_LOCALE)
 782         return wxGetTranslation(str2);
 783     else
 784         return str2;
 785
 786 }
 787
 788
 789
 790 long wxXmlResourceHandler::GetLong(const wxString& param, long defaultv)
 791 {
 792     long value;
 793     wxString str1 = GetParamValue(param);
 794
 795     if (!str1.ToLong(&value))
 796         value = defaultv;
 797
 798     return value;
 799 }
 800
 801
 802
 803 int wxXmlResourceHandler::GetID()
 804 {
 805     return wxXmlResource::GetXRCID(GetName());
 806 }
 807
 808
 809
 810 wxString wxXmlResourceHandler::GetName()
 811 {
 812     return m_node->GetPropVal(wxT("name"), wxT("-1"));
 813 }
 814
 815
 816
 817 bool wxXmlResourceHandler::GetBool(const wxString& param, bool defaultv)
 818 {
 819     wxString v = GetParamValue(param);
 820     v.MakeLower();
 821     if (!v) return defaultv;
 822     else return (v == wxT("1"));
 823 }
 824
 825
 826
 827 wxColour wxXmlResourceHandler::GetColour(const wxString& param)
 828 {
 829     wxString v = GetParamValue(param);
 830     unsigned long tmp = 0;
 831
 832     if (v.Length() != 7 || v[0u] != wxT('#') ||
 833         wxSscanf(v.c_str(), wxT("#%lX"), &tmp) != 1)
 834     {
 835         wxLogError(_("XRC resource: Incorrect colour specification '%s' for property '%s'."),
 836                    v.c_str(), param.c_str());
 837         return wxNullColour;
 838     }
 839
 840     return wxColour((unsigned char) ((tmp & 0xFF0000) >> 16) ,
 841                     (unsigned char) ((tmp & 0x00FF00) >> 8),
 842                     (unsigned char) ((tmp & 0x0000FF)));
 843 }
 844
 845
 846
 847 wxBitmap wxXmlResourceHandler::GetBitmap(const wxString& param,
 848                                          const wxArtClient& defaultArtClient,
 849                                          wxSize size)
 850 {
 851     /* If the bitmap is specified as stock item, query wxArtProvider for it: */
 852     wxXmlNode *bmpNode = GetParamNode(param);
 853     if ( bmpNode )
 854     {
 855         wxString sid = bmpNode->GetPropVal(wxT("stock_id"), wxEmptyString);
 856         if ( !sid.empty() )
 857         {
 858             wxString scl = bmpNode->GetPropVal(wxT("stock_client"), defaultArtClient);
 859             wxBitmap stockArt =
 860                 wxArtProvider::GetBitmap(wxART_MAKE_ART_ID_FROM_STR(sid),
 861                                          wxART_MAKE_CLIENT_ID_FROM_STR(scl),
 862                                          size);
 863             if ( stockArt.Ok() )
 864                 return stockArt;
 865         }
 866     }
 867
 868     /* ...or load the bitmap from file: */
 869     wxString name = GetParamValue(param);
 870     if (name.IsEmpty()) return wxNullBitmap;
 871 #if wxUSE_FILESYSTEM
 872     wxFSFile *fsfile = GetCurFileSystem().OpenFile(name);
 873     if (fsfile == NULL)
 874     {
 875         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."),
 876                    name.c_str());
 877         return wxNullBitmap;
 878     }
 879     wxImage img(*(fsfile->GetStream()));
 880     delete fsfile;
 881 #else
 882     wxImage img(GetParamValue(wxT("bitmap")));
 883 #endif
 884
 885     if (!img.Ok())
 886     {
 887         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."), param.c_str());
 888         return wxNullBitmap;
 889     }
 890     if (!(size == wxDefaultSize)) img.Rescale(size.x, size.y);
 891     return wxBitmap(img);
 892
 893 }
 894
 895
 896
 897 wxIcon wxXmlResourceHandler::GetIcon(const wxString& param,
 898                                      const wxArtClient& defaultArtClient,
 899                                      wxSize size)
 900 {
 901     wxIcon icon;
 902     icon.CopyFromBitmap(GetBitmap(param, defaultArtClient, size));
 903     return icon;
 904 }
 905
 906
 907
 908 wxXmlNode *wxXmlResourceHandler::GetParamNode(const wxString& param)
 909 {
 910     wxCHECK_MSG(m_node, NULL, wxT("You can't access handler data before it was initialized!"));
 911
 912     wxXmlNode *n = m_node->GetChildren();
 913
 914     while (n)
 915     {
 916         if (n->GetType() == wxXML_ELEMENT_NODE && n->GetName() == param)
 917             return n;
 918         n = n->GetNext();
 919     }
 920     return NULL;
 921 }
 922
 923
 924 wxString wxXmlResourceHandler::GetNodeContent(wxXmlNode *node)
 925 {
 926     wxXmlNode *n = node;
 927     if (n == NULL) return wxEmptyString;
 928     n = n->GetChildren();
 929
 930     while (n)
 931     {
 932         if (n->GetType() == wxXML_TEXT_NODE ||
 933             n->GetType() == wxXML_CDATA_SECTION_NODE)
 934             return n->GetContent();
 935         n = n->GetNext();
 936     }
 937     return wxEmptyString;
 938 }
 939
 940
 941
 942 wxString wxXmlResourceHandler::GetParamValue(const wxString& param)
 943 {
 944     if (param.IsEmpty())
 945         return GetNodeContent(m_node);
 946     else
 947         return GetNodeContent(GetParamNode(param));
 948 }
 949
 950
 951
 952 wxSize wxXmlResourceHandler::GetSize(const wxString& param)
 953 {
 954     wxString s = GetParamValue(param);
 955     if (s.IsEmpty()) s = wxT("-1,-1");
 956     bool is_dlg;
 957     long sx, sy;
 958
 959     is_dlg = s[s.Length()-1] == wxT('d');
 960     if (is_dlg) s.RemoveLast();
 961
 962     if (!s.BeforeFirst(wxT(',')).ToLong(&sx) ||
 963         !s.AfterLast(wxT(',')).ToLong(&sy))
 964     {
 965         wxLogError(_("Cannot parse coordinates from '%s'."), s.c_str());
 966         return wxDefaultSize;
 967     }
 968
 969     if (is_dlg)
 970     {
 971         if (m_instanceAsWindow)
 972             return wxDLG_UNIT(m_instanceAsWindow, wxSize(sx, sy));
 973         else if (m_parentAsWindow)
 974             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, sy));
 975         else
 976         {
 977             wxLogError(_("Cannot convert dialog units: dialog unknown."));
 978             return wxDefaultSize;
 979         }
 980     }
 981     else return wxSize(sx, sy);
 982 }
 983
 984
 985
 986 wxPoint wxXmlResourceHandler::GetPosition(const wxString& param)
 987 {
 988     wxSize sz = GetSize(param);
 989     return wxPoint(sz.x, sz.y);
 990 }
 991
 992
 993
 994 wxCoord wxXmlResourceHandler::GetDimension(const wxString& param, wxCoord defaultv)
 995 {
 996     wxString s = GetParamValue(param);
 997     if (s.IsEmpty()) return defaultv;
 998     bool is_dlg;
 999     long sx;
1000
1001     is_dlg = s[s.Length()-1] == wxT('d');
1002     if (is_dlg) s.RemoveLast();
1003
1004     if (!s.ToLong(&sx))
1005     {
1006         wxLogError(_("Cannot parse dimension from '%s'."), s.c_str());
1007         return defaultv;
1008     }
1009
1010     if (is_dlg)
1011     {
1012         if (m_instanceAsWindow)
1013             return wxDLG_UNIT(m_instanceAsWindow, wxSize(sx, 0)).x;
1014         else if (m_parentAsWindow)
1015             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, 0)).x;
1016         else
1017         {
1018             wxLogError(_("Cannot convert dialog units: dialog unknown."));
1019             return defaultv;
1020         }
1021     }
1022     else return sx;
1023 }
1024
1025
1026
1027 wxFont wxXmlResourceHandler::GetFont(const wxString& param)
1028 {
1029     wxXmlNode *font_node = GetParamNode(param);
1030     if (font_node == NULL)
1031     {
1032         wxLogError(_("Cannot find font node '%s'."), param.c_str());
1033         return wxNullFont;
1034     }
1035
1036     wxXmlNode *oldnode = m_node;
1037     m_node = font_node;
1038
1039     long size = GetLong(wxT("size"), 12);
1040
1041     wxString style = GetParamValue(wxT("style"));
1042     wxString weight = GetParamValue(wxT("weight"));
1043     int istyle = wxNORMAL, iweight = wxNORMAL;
1044     if (style == wxT("italic")) istyle = wxITALIC;
1045     else if (style == wxT("slant")) istyle = wxSLANT;
1046     if (weight == wxT("bold")) iweight = wxBOLD;
1047     else if (weight == wxT("light")) iweight = wxLIGHT;
1048
1049     wxString family = GetParamValue(wxT("family"));
1050     int ifamily = wxDEFAULT;
1051          if (family == wxT("decorative")) ifamily = wxDECORATIVE;
1052     else if (family == wxT("roman")) ifamily = wxROMAN;
1053     else if (family == wxT("script")) ifamily = wxSCRIPT;
1054     else if (family == wxT("swiss")) ifamily = wxSWISS;
1055     else if (family == wxT("modern")) ifamily = wxMODERN;
1056
1057     bool underlined = GetBool(wxT("underlined"), FALSE);
1058
1059     wxString encoding = GetParamValue(wxT("encoding"));
1060     wxFontMapper mapper;
1061     wxFontEncoding enc = wxFONTENCODING_DEFAULT;
1062     if (!encoding.IsEmpty())
1063         enc = mapper.CharsetToEncoding(encoding);
1064     if (enc == wxFONTENCODING_SYSTEM)
1065         enc = wxFONTENCODING_DEFAULT;
1066
1067     wxString faces = GetParamValue(wxT("face"));
1068     wxString facename = wxEmptyString;
1069     wxFontEnumerator enu;
1070     enu.EnumerateFacenames();
1071     wxStringTokenizer tk(faces, wxT(","));
1072     while (tk.HasMoreTokens())
1073     {
1074         int index = enu.GetFacenames()->Index(tk.GetNextToken(), FALSE);
1075         if (index != wxNOT_FOUND)
1076         {
1077             facename = (*enu.GetFacenames())[index];
1078             break;
1079         }
1080     }
1081
1082     m_node = oldnode;
1083
1084     wxFont font(size, ifamily, istyle, iweight, underlined, facename, enc);
1085     return font;
1086 }
1087
1088
1089 void wxXmlResourceHandler::SetupWindow(wxWindow *wnd)
1090 {
1091     //FIXME : add cursor
1092
1093     if (HasParam(wxT("exstyle")))
1094         wnd->SetExtraStyle(GetStyle(wxT("exstyle")));
1095     if (HasParam(wxT("bg")))
1096         wnd->SetBackgroundColour(GetColour(wxT("bg")));
1097     if (HasParam(wxT("fg")))
1098         wnd->SetForegroundColour(GetColour(wxT("fg")));
1099     if (GetBool(wxT("enabled"), 1) == 0)
1100         wnd->Enable(FALSE);
1101     if (GetBool(wxT("focused"), 0) == 1)
1102         wnd->SetFocus();
1103     if (GetBool(wxT("hidden"), 0) == 1)
1104         wnd->Show(FALSE);
1105 #if wxUSE_TOOLTIPS
1106     if (HasParam(wxT("tooltip")))
1107         wnd->SetToolTip(GetText(wxT("tooltip")));
1108 #endif
1109     if (HasParam(wxT("font")))
1110         wnd->SetFont(GetFont());
1111 }
1112
1113
1114 void wxXmlResourceHandler::CreateChildren(wxObject *parent, bool this_hnd_only)
1115 {
1116     wxXmlNode *n = m_node->GetChildren();
1117
1118     while (n)
1119     {
1120         if (n->GetType() == wxXML_ELEMENT_NODE &&
1121            (n->GetName() == wxT("object") || n->GetName() == wxT("object_ref")))
1122         {
1123             m_resource->CreateResFromNode(n, parent, NULL,
1124                                           this_hnd_only ? this : NULL);
1125         }
1126         n = n->GetNext();
1127     }
1128 }
1129
1130
1131 void wxXmlResourceHandler::CreateChildrenPrivately(wxObject *parent, wxXmlNode *rootnode)
1132 {
1133     wxXmlNode *root;
1134     if (rootnode == NULL) root = m_node; else root = rootnode;
1135     wxXmlNode *n = root->GetChildren();
1136
1137     while (n)
1138     {
1139         if (n->GetType() == wxXML_ELEMENT_NODE && CanHandle(n))
1140         {
1141             CreateResource(n, parent, NULL);
1142         }
1143         n = n->GetNext();
1144     }
1145 }
1146
1147
1148
1149
1150
1151
1152
1153 // --------------- XRCID implementation -----------------------------
1154
1155 #define XRCID_TABLE_SIZE     1024
1156
1157
1158 struct XRCID_record
1159 {
1160     int id;
1161     wxChar *key;
1162     XRCID_record *next;
1163 };
1164
1165 static XRCID_record *XRCID_Records[XRCID_TABLE_SIZE] = {NULL};
1166
1167 static int XRCID_Lookup(const wxChar *str_id, int value_if_not_found = -2)
1168 {
1169     static int XRCID_LastID = wxID_HIGHEST;
1170
1171     int index = 0;
1172
1173     for (const wxChar *c = str_id; *c != wxT('\0'); c++) index += (int)*c;
1174     index %= XRCID_TABLE_SIZE;
1175
1176     XRCID_record *oldrec = NULL;
1177     int matchcnt = 0;
1178     for (XRCID_record *rec = XRCID_Records[index]; rec; rec = rec->next)
1179     {
1180         if (wxStrcmp(rec->key, str_id) == 0)
1181         {
1182             return rec->id;
1183         }
1184         matchcnt++;
1185         oldrec = rec;
1186     }
1187
1188     XRCID_record **rec_var = (oldrec == NULL) ?
1189                               &XRCID_Records[index] : &oldrec->next;
1190     *rec_var = new XRCID_record;
1191     (*rec_var)->key = wxStrdup(str_id);
1192     (*rec_var)->next = NULL;
1193
1194     wxChar *end;
1195     if (value_if_not_found != -2)
1196         (*rec_var)->id = value_if_not_found;
1197     else
1198     {
1199         int asint = wxStrtol(str_id, &end, 10);
1200         if (*str_id && *end == 0)
1201         {
1202             // if str_id was integer, keep it verbosely:
1203             (*rec_var)->id = asint;
1204         }
1205         else
1206         {
1207             (*rec_var)->id = ++XRCID_LastID;
1208         }
1209     }
1210
1211     return (*rec_var)->id;
1212 }
1213
1214 /*static*/ int wxXmlResource::GetXRCID(const wxChar *str_id)
1215 {
1216     return XRCID_Lookup(str_id);
1217 }
1218
1219
1220 static void CleanXRCID_Record(XRCID_record *rec)
1221 {
1222     if (rec)
1223     {
1224         CleanXRCID_Record(rec->next);
1225         free(rec->key);
1226         delete rec;
1227     }
1228 }
1229
1230 static void CleanXRCID_Records()
1231 {
1232     for (int i = 0; i < XRCID_TABLE_SIZE; i++)
1233     {
1234         CleanXRCID_Record(XRCID_Records[i]);
1235         XRCID_Records[i] = NULL;
1236     }
1237 }
1238
1239 static void AddStdXRCID_Records()
1240 {
1241 #define stdID(id) XRCID_Lookup(wxT(#id), id)
1242     stdID(-1);
1243     stdID(wxID_OPEN); stdID(wxID_CLOSE); stdID(wxID_NEW);
1244     stdID(wxID_SAVE); stdID(wxID_SAVEAS); stdID(wxID_REVERT);
1245     stdID(wxID_EXIT); stdID(wxID_UNDO); stdID(wxID_REDO);
1246     stdID(wxID_HELP); stdID(wxID_PRINT); stdID(wxID_PRINT_SETUP);
1247     stdID(wxID_PREVIEW); stdID(wxID_ABOUT); stdID(wxID_HELP_CONTENTS);
1248     stdID(wxID_HELP_COMMANDS); stdID(wxID_HELP_PROCEDURES);
1249     stdID(wxID_CUT); stdID(wxID_COPY); stdID(wxID_PASTE);
1250     stdID(wxID_CLEAR); stdID(wxID_FIND); stdID(wxID_DUPLICATE);
1251     stdID(wxID_SELECTALL); stdID(wxID_OK); stdID(wxID_CANCEL);
1252     stdID(wxID_APPLY); stdID(wxID_YES); stdID(wxID_NO);
1253     stdID(wxID_STATIC); stdID(wxID_FORWARD); stdID(wxID_BACKWARD);
1254     stdID(wxID_DEFAULT); stdID(wxID_MORE); stdID(wxID_SETUP);
1255     stdID(wxID_RESET); stdID(wxID_HELP_CONTEXT);
1256     stdID(wxID_CLOSE_ALL);
1257 #undef stdID
1258 }
1259
1260
1261
1262
1263
1264 // --------------- module and globals -----------------------------
1265
1266 class wxXmlResourceModule: public wxModule
1267 {
1268 DECLARE_DYNAMIC_CLASS(wxXmlResourceModule)
1269 public:
1270     wxXmlResourceModule() {}
1271     bool OnInit()
1272     {
1273         AddStdXRCID_Records();
1274         wxXmlResource::AddSubclassFactory(new wxXmlSubclassFactoryCXX);
1275         return TRUE;
1276     }
1277     void OnExit()
1278     {
1279         delete wxXmlResource::Set(NULL);
1280         wxDELETE(wxXmlResource::ms_subclassFactories);
1281         CleanXRCID_Records();
1282     }
1283 };
1284
1285 IMPLEMENT_DYNAMIC_CLASS(wxXmlResourceModule, wxModule)
1286
1287
1288 // When wxXml is loaded dynamically after the application is already running
1289 // then the built-in module system won't pick this one up.  Add it manually.
1290 void wxXmlInitResourceModule()
1291 {
1292     wxModule* module = new wxXmlResourceModule;
1293     module->Init();
1294     wxModule::RegisterModule(module);
1295 }