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