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