contrib/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_flags = flags;
  64     m_version = -1;
  65 }
  66
  67 wxXmlResource::wxXmlResource(const wxString& filemask, int flags)
  68 {
  69     m_flags = flags;
  70     m_version = -1;
  71     Load(filemask);
  72 }
  73
  74 wxXmlResource::~wxXmlResource()
  75 {
  76     ClearHandlers();
  77 }
  78
  79
  80 bool wxXmlResource::Load(const wxString& filemask)
  81 {
  82     wxString fnd;
  83     wxXmlResourceDataRecord *drec;
  84     bool iswild = wxIsWild(filemask);
  85     bool rt = TRUE;
  86
  87 #if wxUSE_FILESYSTEM
  88     wxFileSystem fsys;
  89 #   define wxXmlFindFirst  fsys.FindFirst(filemask, wxFILE)
  90 #   define wxXmlFindNext   fsys.FindNext()
  91 #else
  92 #   define wxXmlFindFirst  wxFindFirstFile(filemask, wxFILE)
  93 #   define wxXmlFindNext   wxFindNextFile()
  94 #endif
  95     if (iswild)
  96         fnd = wxXmlFindFirst;
  97     else
  98         fnd = filemask;
  99     while (!!fnd)
 100     {
 101         // NB: Load() accepts both filenames and URLs (should probably be
 102         //     changed to filenames only, but embedded resources currently
 103         //     rely on its ability to handle URLs - FIXME). This check
 104         //     serves as a quick way to determine whether found name is
 105         //     filename and not URL:
 106         if (wxFileName::FileExists(fnd))
 107         {
 108             // Make the name absolute filename, because the app may
 109             // change working directory later:
 110             wxFileName fn(fnd);
 111             if (fn.IsRelative())
 112             {
 113                 fn.MakeAbsolute();
 114                 fnd = fn.GetFullPath();
 115             }
 116 #if wxUSE_FILESYSTEM
 117             fnd = wxFileSystem::FileNameToURL(fnd);
 118 #endif
 119         }
 120
 121 #if wxUSE_FILESYSTEM
 122         if (fnd.Lower().Matches(wxT("*.zip")) ||
 123             fnd.Lower().Matches(wxT("*.xrs")))
 124         {
 125             rt = rt && Load(fnd + 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 && UpdateResources();
 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     WX_CLEAR_LIST(wxList, m_handlers);
 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 __WINDOWS__
 288                 if (s == wxT("win")) isok = true;
 289 #endif
 290 #if defined(__MAC__) || defined(__APPLE__)
 291                 if (s == wxT("mac")) isok = true;
 292 #elif defined(__UNIX__)
 293                 if (s == wxT("unix")) 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 bool wxXmlResource::UpdateResources()
 322 {
 323     bool rt = true;
 324     bool modif;
 325 #   if wxUSE_FILESYSTEM
 326     wxFSFile *file = NULL;
 327     wxUnusedVar(file);
 328     wxFileSystem fsys;
 329 #   endif
 330
 331     wxString encoding(wxT("UTF-8"));
 332 #if !wxUSE_UNICODE && wxUSE_INTL
 333     if ( (GetFlags() & wxXRC_USE_LOCALE) == 0 )
 334     {
 335         // In case we are not using wxLocale to translate strings, convert the
 336         // strings GUI's charset. This must not be done when wxXRC_USE_LOCALE
 337         // is on, because it could break wxGetTranslation lookup.
 338         encoding = wxLocale::GetSystemEncodingName();
 339     }
 340 #endif
 341
 342     for (size_t i = 0; i < m_data.GetCount(); i++)
 343     {
 344         modif = (m_data[i].Doc == NULL);
 345
 346         if (!modif)
 347         {
 348 #           if wxUSE_FILESYSTEM
 349             file = fsys.OpenFile(m_data[i].File);
 350             modif = file && file->GetModificationTime() > m_data[i].Time;
 351             if (!file)
 352             {
 353                 wxLogError(_("Cannot open file '%s'."), m_data[i].File.c_str());
 354                 rt = false;
 355             }
 356             wxDELETE(file);
 357             wxUnusedVar(file);
 358 #           else
 359             modif = wxDateTime(wxFileModificationTime(m_data[i].File)) > m_data[i].Time;
 360 #           endif
 361         }
 362
 363         if (modif)
 364         {
 365             wxInputStream *stream = NULL;
 366
 367 #           if wxUSE_FILESYSTEM
 368             file = fsys.OpenFile(m_data[i].File);
 369                         if (file)
 370                                 stream = file->GetStream();
 371 #           else
 372             stream = new wxFileInputStream(m_data[i].File);
 373 #           endif
 374
 375             if (stream)
 376             {
 377                 delete m_data[i].Doc;
 378                 m_data[i].Doc = new wxXmlDocument;
 379             }
 380             if (!stream || !m_data[i].Doc->Load(*stream, encoding))
 381             {
 382                 wxLogError(_("Cannot load resources from file '%s'."),
 383                            m_data[i].File.c_str());
 384                 wxDELETE(m_data[i].Doc);
 385                 rt = false;
 386             }
 387             else if (m_data[i].Doc->GetRoot()->GetName() != wxT("resource"))
 388             {
 389                 wxLogError(_("Invalid XRC resource '%s': doesn't have root node 'resource'."), m_data[i].File.c_str());
 390                 wxDELETE(m_data[i].Doc);
 391                 rt = false;
 392             }
 393             else
 394                         {
 395                 long version;
 396                 int v1, v2, v3, v4;
 397                 wxString verstr = m_data[i].Doc->GetRoot()->GetPropVal(
 398                                       wxT("version"), wxT("0.0.0.0"));
 399                 if (wxSscanf(verstr.c_str(), wxT("%i.%i.%i.%i"),
 400                     &v1, &v2, &v3, &v4) == 4)
 401                     version = v1*256*256*256+v2*256*256+v3*256+v4;
 402                 else
 403                     version = 0;
 404                 if (m_version == -1)
 405                     m_version = version;
 406                 if (m_version != version)
 407                 {
 408                     wxLogError(_("Resource files must have same version number!"));
 409                     rt = false;
 410                 }
 411
 412                 ProcessPlatformProperty(m_data[i].Doc->GetRoot());
 413 #if wxUSE_FILESYSTEM
 414                                 m_data[i].Time = file->GetModificationTime();
 415 #else
 416                 m_data[i].Time = wxDateTime(wxFileModificationTime(m_data[i].File));
 417 #endif
 418                         }
 419
 420 #           if wxUSE_FILESYSTEM
 421                                 wxDELETE(file);
 422                                 wxUnusedVar(file);
 423 #           else
 424                                 wxDELETE(stream);
 425 #           endif
 426         }
 427     }
 428
 429     return rt;
 430 }
 431
 432
 433 wxXmlNode *wxXmlResource::DoFindResource(wxXmlNode *parent,
 434                                          const wxString& name,
 435                                          const wxString& classname,
 436                                          bool recursive)
 437 {
 438     wxString dummy;
 439     wxXmlNode *node;
 440
 441     // first search for match at the top-level nodes (as this is
 442     // where the resource is most commonly looked for):
 443     for (node = parent->GetChildren(); node; node = node->GetNext())
 444     {
 445         if ( node->GetType() == wxXML_ELEMENT_NODE &&
 446                  (node->GetName() == wxT("object") ||
 447                   node->GetName() == wxT("object_ref")) &&
 448              node->GetPropVal(wxT("name"), &dummy) && dummy == name )
 449         {
 450             wxString cls(node->GetPropVal(wxT("class"), wxEmptyString));
 451             if (!classname || cls == classname)
 452                 return node;
 453             // object_ref may not have 'class' property:
 454             if (cls.empty() && node->GetName() == wxT("object_ref"))
 455             {
 456                 wxString refName = node->GetPropVal(wxT("ref"), wxEmptyString);
 457                 if (refName.empty())
 458                     continue;
 459                 wxXmlNode* refNode = FindResource(refName, wxEmptyString, TRUE);
 460                 if (refNode &&
 461                     refNode->GetPropVal(wxT("class"), wxEmptyString) == classname)
 462                 {
 463                     return node;
 464                 }
 465             }
 466         }
 467     }
 468
 469     if ( recursive )
 470         for (node = parent->GetChildren(); node; node = node->GetNext())
 471         {
 472             if ( node->GetType() == wxXML_ELEMENT_NODE &&
 473                  (node->GetName() == wxT("object") ||
 474                   node->GetName() == wxT("object_ref")) )
 475             {
 476                 wxXmlNode* found = DoFindResource(node, name, classname, TRUE);
 477                 if ( found )
 478                     return found;
 479             }
 480         }
 481
 482    return NULL;
 483 }
 484
 485 wxXmlNode *wxXmlResource::FindResource(const wxString& name,
 486                                        const wxString& classname,
 487                                        bool recursive)
 488 {
 489     UpdateResources(); //ensure everything is up-to-date
 490
 491     wxString dummy;
 492     for (size_t f = 0; f < m_data.GetCount(); f++)
 493     {
 494         if ( m_data[f].Doc == NULL || m_data[f].Doc->GetRoot() == NULL )
 495             continue;
 496
 497         wxXmlNode* found = DoFindResource(m_data[f].Doc->GetRoot(),
 498                                           name, classname, recursive);
 499         if ( found )
 500         {
 501 #if wxUSE_FILESYSTEM
 502             m_curFileSystem.ChangePathTo(m_data[f].File);
 503 #endif
 504             return found;
 505         }
 506     }
 507
 508     wxLogError(_("XRC resource '%s' (class '%s') not found!"),
 509                name.c_str(), classname.c_str());
 510     return NULL;
 511 }
 512
 513 static void MergeNodes(wxXmlNode& dest, wxXmlNode& with)
 514 {
 515     // Merge properties:
 516     for (wxXmlProperty *prop = with.GetProperties(); prop; prop = prop->GetNext())
 517     {
 518         wxXmlProperty *dprop;
 519         for (dprop = dest.GetProperties(); dprop; dprop = dprop->GetNext())
 520         {
 521
 522             if ( dprop->GetName() == prop->GetName() )
 523             {
 524                 dprop->SetValue(prop->GetValue());
 525                 break;
 526             }
 527         }
 528
 529         if ( !dprop )
 530             dest.AddProperty(prop->GetName(), prop->GetValue());
 531    }
 532
 533     // Merge child nodes:
 534     for (wxXmlNode* node = with.GetChildren(); node; node = node->GetNext())
 535     {
 536         wxString name = node->GetPropVal(wxT("name"), wxEmptyString);
 537         wxXmlNode *dnode;
 538
 539         for (dnode = dest.GetChildren(); dnode; dnode = dnode->GetNext() )
 540         {
 541             if ( dnode->GetName() == node->GetName() &&
 542                  dnode->GetPropVal(wxT("name"), wxEmptyString) == name &&
 543                  dnode->GetType() == node->GetType() )
 544             {
 545                 MergeNodes(*dnode, *node);
 546                 break;
 547             }
 548         }
 549
 550         if ( !dnode )
 551             dest.AddChild(new wxXmlNode(*node));
 552     }
 553
 554     if ( dest.GetType() == wxXML_TEXT_NODE && with.GetContent().Length() )
 555          dest.SetContent(with.GetContent());
 556 }
 557
 558 wxObject *wxXmlResource::CreateResFromNode(wxXmlNode *node, wxObject *parent,
 559                                            wxObject *instance,
 560                                            wxXmlResourceHandler *handlerToUse)
 561 {
 562     if (node == NULL) return NULL;
 563
 564     // handling of referenced resource
 565     if ( node->GetName() == wxT("object_ref") )
 566     {
 567         wxString refName = node->GetPropVal(wxT("ref"), wxEmptyString);
 568         wxXmlNode* refNode = FindResource(refName, wxEmptyString, TRUE);
 569
 570         if ( !refNode )
 571         {
 572             wxLogError(_("Referenced object node with ref=\"%s\" not found!"),
 573                        refName.c_str());
 574             return NULL;
 575         }
 576
 577         wxXmlNode copy(*refNode);
 578         MergeNodes(copy, *node);
 579
 580         return CreateResFromNode(&copy, parent, instance);
 581     }
 582
 583     wxXmlResourceHandler *handler;
 584
 585     if (handlerToUse)
 586     {
 587         if (handlerToUse->CanHandle(node))
 588         {
 589             return handlerToUse->CreateResource(node, parent, instance);
 590         }
 591     }
 592     else if (node->GetName() == wxT("object"))
 593     {
 594         wxList::compatibility_iterator ND = m_handlers.GetFirst();
 595         while (ND)
 596         {
 597             handler = (wxXmlResourceHandler*)ND->GetData();
 598             if (handler->CanHandle(node))
 599             {
 600                 return handler->CreateResource(node, parent, instance);
 601             }
 602             ND = ND->GetNext();
 603         }
 604     }
 605
 606     wxLogError(_("No handler found for XML node '%s', class '%s'!"),
 607                node->GetName().c_str(),
 608                node->GetPropVal(wxT("class"), wxEmptyString).c_str());
 609     return NULL;
 610 }
 611
 612
 613 #include "wx/listimpl.cpp"
 614 WX_DECLARE_LIST(wxXmlSubclassFactory, wxXmlSubclassFactoriesList);
 615 WX_DEFINE_LIST(wxXmlSubclassFactoriesList);
 616
 617 wxXmlSubclassFactoriesList *wxXmlResource::ms_subclassFactories = NULL;
 618
 619 /*static*/ void wxXmlResource::AddSubclassFactory(wxXmlSubclassFactory *factory)
 620 {
 621     if (!ms_subclassFactories)
 622     {
 623         ms_subclassFactories = new wxXmlSubclassFactoriesList;
 624     }
 625     ms_subclassFactories->Append(factory);
 626 }
 627
 628 class wxXmlSubclassFactoryCXX : public wxXmlSubclassFactory
 629 {
 630 public:
 631     ~wxXmlSubclassFactoryCXX() {}
 632
 633     wxObject *Create(const wxString& className)
 634     {
 635         wxClassInfo* classInfo = wxClassInfo::FindClass(className);
 636
 637         if (classInfo)
 638             return classInfo->CreateObject();
 639         else
 640             return NULL;
 641     }
 642 };
 643
 644
 645
 646
 647
 648 wxXmlResourceHandler::wxXmlResourceHandler()
 649         : m_node(NULL), m_parent(NULL), m_instance(NULL),
 650           m_parentAsWindow(NULL), m_instanceAsWindow(NULL)
 651 {}
 652
 653
 654
 655 wxObject *wxXmlResourceHandler::CreateResource(wxXmlNode *node, wxObject *parent, wxObject *instance)
 656 {
 657     wxXmlNode *myNode = m_node;
 658     wxString myClass = m_class;
 659     wxObject *myParent = m_parent, *myInstance = m_instance;
 660     wxWindow *myParentAW = m_parentAsWindow, *myInstanceAW = m_instanceAsWindow;
 661
 662     m_instance = instance;
 663     if (!m_instance && node->HasProp(wxT("subclass")) &&
 664         !(m_resource->GetFlags() & wxXRC_NO_SUBCLASSING))
 665     {
 666         wxString subclass = node->GetPropVal(wxT("subclass"), wxEmptyString);
 667         if (!subclass.empty())
 668         {
 669             for (wxXmlSubclassFactoriesList::compatibility_iterator i = wxXmlResource::ms_subclassFactories->GetFirst();
 670                  i; i = i->GetNext())
 671             {
 672                 m_instance = i->GetData()->Create(subclass);
 673                 if (m_instance)
 674                     break;
 675             }
 676
 677             if (!m_instance)
 678             {
 679                 wxString name = node->GetPropVal(wxT("name"), wxEmptyString);
 680                 wxLogError(_("Subclass '%s' not found for resource '%s', not subclassing!"),
 681                            subclass.c_str(), name.c_str());
 682             }
 683         }
 684     }
 685
 686     m_node = node;
 687     m_class = node->GetPropVal(wxT("class"), wxEmptyString);
 688     m_parent = parent;
 689     m_parentAsWindow = wxDynamicCast(m_parent, wxWindow);
 690     m_instanceAsWindow = wxDynamicCast(m_instance, wxWindow);
 691
 692     wxObject *returned = DoCreateResource();
 693
 694     m_node = myNode;
 695     m_class = myClass;
 696     m_parent = myParent; m_parentAsWindow = myParentAW;
 697     m_instance = myInstance; m_instanceAsWindow = myInstanceAW;
 698
 699     return returned;
 700 }
 701
 702
 703 void wxXmlResourceHandler::AddStyle(const wxString& name, int value)
 704 {
 705     m_styleNames.Add(name);
 706     m_styleValues.Add(value);
 707 }
 708
 709
 710
 711 void wxXmlResourceHandler::AddWindowStyles()
 712 {
 713     XRC_ADD_STYLE(wxSIMPLE_BORDER);
 714     XRC_ADD_STYLE(wxSUNKEN_BORDER);
 715     XRC_ADD_STYLE(wxDOUBLE_BORDER);
 716     XRC_ADD_STYLE(wxRAISED_BORDER);
 717     XRC_ADD_STYLE(wxSTATIC_BORDER);
 718     XRC_ADD_STYLE(wxNO_BORDER);
 719     XRC_ADD_STYLE(wxTRANSPARENT_WINDOW);
 720     XRC_ADD_STYLE(wxWANTS_CHARS);
 721     XRC_ADD_STYLE(wxNO_FULL_REPAINT_ON_RESIZE);
 722     XRC_ADD_STYLE(wxWS_EX_BLOCK_EVENTS);
 723 }
 724
 725
 726
 727 bool wxXmlResourceHandler::HasParam(const wxString& param)
 728 {
 729     return (GetParamNode(param) != NULL);
 730 }
 731
 732
 733 int wxXmlResourceHandler::GetStyle(const wxString& param, int defaults)
 734 {
 735     wxString s = GetParamValue(param);
 736
 737     if (!s) return defaults;
 738
 739     wxStringTokenizer tkn(s, wxT("| \t\n"), wxTOKEN_STRTOK);
 740     int style = 0;
 741     int index;
 742     wxString fl;
 743     while (tkn.HasMoreTokens())
 744     {
 745         fl = tkn.GetNextToken();
 746         index = m_styleNames.Index(fl);
 747         if (index != wxNOT_FOUND)
 748             style |= m_styleValues[index];
 749         else
 750             wxLogError(_("Unknown style flag ") + fl);
 751     }
 752     return style;
 753 }
 754
 755
 756
 757 wxString wxXmlResourceHandler::GetText(const wxString& param, bool translate)
 758 {
 759     wxXmlNode *parNode = GetParamNode(param);
 760     wxString str1(GetNodeContent(parNode));
 761     wxString str2;
 762     const wxChar *dt;
 763     wxChar amp_char;
 764
 765     // VS: First version of XRC resources used $ instead of & (which is
 766     //     illegal in XML), but later I realized that '_' fits this purpose
 767     //     much better (because &File means "File with F underlined").
 768     if (m_resource->CompareVersion(2,3,0,1) < 0)
 769         amp_char = wxT('$');
 770     else
 771         amp_char = wxT('_');
 772
 773     for (dt = str1.c_str(); *dt; dt++)
 774     {
 775         // Remap amp_char to &, map double amp_char to amp_char (for things
 776         // like "&File..." -- this is illegal in XML, so we use "_File..."):
 777         if (*dt == amp_char)
 778         {
 779             if ( *(++dt) == amp_char )
 780                 str2 << amp_char;
 781             else
 782                 str2 << wxT('&') << *dt;
 783         }
 784         // Remap \n to CR, \r to LF, \t to TAB:
 785         else if (*dt == wxT('\\'))
 786             switch (*(++dt))
 787             {
 788                 case wxT('n') : str2 << wxT('\n'); break;
 789                 case wxT('t') : str2 << wxT('\t'); break;
 790                 case wxT('r') : str2 << wxT('\r'); break;
 791                 default       : str2 << wxT('\\') << *dt; break;
 792             }
 793         else str2 << *dt;
 794     }
 795
 796     if (m_resource->GetFlags() & wxXRC_USE_LOCALE)
 797     {
 798         if (translate && parNode &&
 799             parNode->GetPropVal(wxT("translate"), wxEmptyString) != wxT("0"))
 800         {
 801             return wxGetTranslation(str2);
 802         }
 803         else
 804         {
 805 #if wxUSE_UNICODE
 806             return str2;
 807 #else
 808             // The string is internally stored as UTF-8, we have to convert
 809             // it into system's default encoding so that it can be displayed:
 810             return wxString(str2.mb_str(wxConvUTF8), wxConvLocal);
 811 #endif
 812         }
 813     }
 814     else
 815     {
 816         // If wxXRC_USE_LOCALE is not set, then the string is already in
 817         // system's default encoding in ANSI build, so we don't have to
 818         // do anything special here.
 819         return str2;
 820     }
 821 }
 822
 823
 824
 825 long wxXmlResourceHandler::GetLong(const wxString& param, long defaultv)
 826 {
 827     long value;
 828     wxString str1 = GetParamValue(param);
 829
 830     if (!str1.ToLong(&value))
 831         value = defaultv;
 832
 833     return value;
 834 }
 835
 836
 837
 838 int wxXmlResourceHandler::GetID()
 839 {
 840     return wxXmlResource::GetXRCID(GetName());
 841 }
 842
 843
 844
 845 wxString wxXmlResourceHandler::GetName()
 846 {
 847     return m_node->GetPropVal(wxT("name"), wxT("-1"));
 848 }
 849
 850
 851
 852 bool wxXmlResourceHandler::GetBool(const wxString& param, bool defaultv)
 853 {
 854     wxString v = GetParamValue(param);
 855     v.MakeLower();
 856     if (!v) return defaultv;
 857     else return (v == wxT("1"));
 858 }
 859
 860
 861
 862 wxColour wxXmlResourceHandler::GetColour(const wxString& param)
 863 {
 864     wxString v = GetParamValue(param);
 865     unsigned long tmp = 0;
 866
 867     if (v.Length() != 7 || v[0u] != wxT('#') ||
 868         wxSscanf(v.c_str(), wxT("#%lX"), &tmp) != 1)
 869     {
 870         wxLogError(_("XRC resource: Incorrect colour specification '%s' for property '%s'."),
 871                    v.c_str(), param.c_str());
 872         return wxNullColour;
 873     }
 874
 875     return wxColour((unsigned char) ((tmp & 0xFF0000) >> 16) ,
 876                     (unsigned char) ((tmp & 0x00FF00) >> 8),
 877                     (unsigned char) ((tmp & 0x0000FF)));
 878 }
 879
 880
 881
 882 wxBitmap wxXmlResourceHandler::GetBitmap(const wxString& param,
 883                                          const wxArtClient& defaultArtClient,
 884                                          wxSize size)
 885 {
 886     /* If the bitmap is specified as stock item, query wxArtProvider for it: */
 887     wxXmlNode *bmpNode = GetParamNode(param);
 888     if ( bmpNode )
 889     {
 890         wxString sid = bmpNode->GetPropVal(wxT("stock_id"), wxEmptyString);
 891         if ( !sid.empty() )
 892         {
 893             wxString scl = bmpNode->GetPropVal(wxT("stock_client"), defaultArtClient);
 894             wxBitmap stockArt =
 895                 wxArtProvider::GetBitmap(wxART_MAKE_ART_ID_FROM_STR(sid),
 896                                          wxART_MAKE_CLIENT_ID_FROM_STR(scl),
 897                                          size);
 898             if ( stockArt.Ok() )
 899                 return stockArt;
 900         }
 901     }
 902
 903     /* ...or load the bitmap from file: */
 904     wxString name = GetParamValue(param);
 905     if (name.IsEmpty()) return wxNullBitmap;
 906 #if wxUSE_FILESYSTEM
 907     wxFSFile *fsfile = GetCurFileSystem().OpenFile(name);
 908     if (fsfile == NULL)
 909     {
 910         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."),
 911                    name.c_str());
 912         return wxNullBitmap;
 913     }
 914     wxImage img(*(fsfile->GetStream()));
 915     delete fsfile;
 916 #else
 917     wxImage img(GetParamValue(wxT("bitmap")));
 918 #endif
 919
 920     if (!img.Ok())
 921     {
 922         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."), param.c_str());
 923         return wxNullBitmap;
 924     }
 925     if (!(size == wxDefaultSize)) img.Rescale(size.x, size.y);
 926     return wxBitmap(img);
 927
 928 }
 929
 930
 931
 932 wxIcon wxXmlResourceHandler::GetIcon(const wxString& param,
 933                                      const wxArtClient& defaultArtClient,
 934                                      wxSize size)
 935 {
 936     wxIcon icon;
 937     icon.CopyFromBitmap(GetBitmap(param, defaultArtClient, size));
 938     return icon;
 939 }
 940
 941
 942
 943 wxXmlNode *wxXmlResourceHandler::GetParamNode(const wxString& param)
 944 {
 945     wxCHECK_MSG(m_node, NULL, wxT("You can't access handler data before it was initialized!"));
 946
 947     wxXmlNode *n = m_node->GetChildren();
 948
 949     while (n)
 950     {
 951         if (n->GetType() == wxXML_ELEMENT_NODE && n->GetName() == param)
 952             return n;
 953         n = n->GetNext();
 954     }
 955     return NULL;
 956 }
 957
 958
 959 wxString wxXmlResourceHandler::GetNodeContent(wxXmlNode *node)
 960 {
 961     wxXmlNode *n = node;
 962     if (n == NULL) return wxEmptyString;
 963     n = n->GetChildren();
 964
 965     while (n)
 966     {
 967         if (n->GetType() == wxXML_TEXT_NODE ||
 968             n->GetType() == wxXML_CDATA_SECTION_NODE)
 969             return n->GetContent();
 970         n = n->GetNext();
 971     }
 972     return wxEmptyString;
 973 }
 974
 975
 976
 977 wxString wxXmlResourceHandler::GetParamValue(const wxString& param)
 978 {
 979     if (param.IsEmpty())
 980         return GetNodeContent(m_node);
 981     else
 982         return GetNodeContent(GetParamNode(param));
 983 }
 984
 985
 986
 987 wxSize wxXmlResourceHandler::GetSize(const wxString& param)
 988 {
 989     wxString s = GetParamValue(param);
 990     if (s.IsEmpty()) s = wxT("-1,-1");
 991     bool is_dlg;
 992     long sx, sy = 0;
 993
 994     is_dlg = s[s.Length()-1] == wxT('d');
 995     if (is_dlg) s.RemoveLast();
 996
 997     if (!s.BeforeFirst(wxT(',')).ToLong(&sx) ||
 998         !s.AfterLast(wxT(',')).ToLong(&sy))
 999     {
1000         wxLogError(_("Cannot parse coordinates from '%s'."), s.c_str());
1001         return wxDefaultSize;
1002     }
1003
1004     if (is_dlg)
1005     {
1006         if (m_instanceAsWindow)
1007             return wxDLG_UNIT(m_instanceAsWindow, wxSize(sx, sy));
1008         else if (m_parentAsWindow)
1009             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, sy));
1010         else
1011         {
1012             wxLogError(_("Cannot convert dialog units: dialog unknown."));
1013             return wxDefaultSize;
1014         }
1015     }
1016     else return wxSize(sx, sy);
1017 }
1018
1019
1020
1021 wxPoint wxXmlResourceHandler::GetPosition(const wxString& param)
1022 {
1023     wxSize sz = GetSize(param);
1024     return wxPoint(sz.x, sz.y);
1025 }
1026
1027
1028
1029 wxCoord wxXmlResourceHandler::GetDimension(const wxString& param, wxCoord defaultv)
1030 {
1031     wxString s = GetParamValue(param);
1032     if (s.IsEmpty()) return defaultv;
1033     bool is_dlg;
1034     long sx;
1035
1036     is_dlg = s[s.Length()-1] == wxT('d');
1037     if (is_dlg) s.RemoveLast();
1038
1039     if (!s.ToLong(&sx))
1040     {
1041         wxLogError(_("Cannot parse dimension from '%s'."), s.c_str());
1042         return defaultv;
1043     }
1044
1045     if (is_dlg)
1046     {
1047         if (m_instanceAsWindow)
1048             return wxDLG_UNIT(m_instanceAsWindow, wxSize(sx, 0)).x;
1049         else if (m_parentAsWindow)
1050             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, 0)).x;
1051         else
1052         {
1053             wxLogError(_("Cannot convert dialog units: dialog unknown."));
1054             return defaultv;
1055         }
1056     }
1057     else return sx;
1058 }
1059
1060
1061
1062 wxFont wxXmlResourceHandler::GetFont(const wxString& param)
1063 {
1064     wxXmlNode *font_node = GetParamNode(param);
1065     if (font_node == NULL)
1066     {
1067         wxLogError(_("Cannot find font node '%s'."), param.c_str());
1068         return wxNullFont;
1069     }
1070
1071     wxXmlNode *oldnode = m_node;
1072     m_node = font_node;
1073
1074     long size = GetLong(wxT("size"), 12);
1075
1076     wxString style = GetParamValue(wxT("style"));
1077     wxString weight = GetParamValue(wxT("weight"));
1078     int istyle = wxNORMAL, iweight = wxNORMAL;
1079     if (style == wxT("italic")) istyle = wxITALIC;
1080     else if (style == wxT("slant")) istyle = wxSLANT;
1081     if (weight == wxT("bold")) iweight = wxBOLD;
1082     else if (weight == wxT("light")) iweight = wxLIGHT;
1083
1084     wxString family = GetParamValue(wxT("family"));
1085     int ifamily = wxDEFAULT;
1086          if (family == wxT("decorative")) ifamily = wxDECORATIVE;
1087     else if (family == wxT("roman")) ifamily = wxROMAN;
1088     else if (family == wxT("script")) ifamily = wxSCRIPT;
1089     else if (family == wxT("swiss")) ifamily = wxSWISS;
1090     else if (family == wxT("modern")) ifamily = wxMODERN;
1091
1092     bool underlined = GetBool(wxT("underlined"), FALSE);
1093
1094     wxString encoding = GetParamValue(wxT("encoding"));
1095     wxFontMapper mapper;
1096     wxFontEncoding enc = wxFONTENCODING_DEFAULT;
1097     if (!encoding.IsEmpty())
1098         enc = mapper.CharsetToEncoding(encoding);
1099     if (enc == wxFONTENCODING_SYSTEM)
1100         enc = wxFONTENCODING_DEFAULT;
1101
1102     wxString faces = GetParamValue(wxT("face"));
1103     wxString facename = wxEmptyString;
1104     wxFontEnumerator enu;
1105     enu.EnumerateFacenames();
1106     wxStringTokenizer tk(faces, wxT(","));
1107     while (tk.HasMoreTokens())
1108     {
1109         int index = enu.GetFacenames()->Index(tk.GetNextToken(), FALSE);
1110         if (index != wxNOT_FOUND)
1111         {
1112             facename = (*enu.GetFacenames())[index];
1113             break;
1114         }
1115     }
1116
1117     m_node = oldnode;
1118
1119     wxFont font(size, ifamily, istyle, iweight, underlined, facename, enc);
1120     return font;
1121 }
1122
1123
1124 void wxXmlResourceHandler::SetupWindow(wxWindow *wnd)
1125 {
1126     //FIXME : add cursor
1127
1128     if (HasParam(wxT("exstyle")))
1129         wnd->SetExtraStyle(GetStyle(wxT("exstyle")));
1130     if (HasParam(wxT("bg")))
1131         wnd->SetBackgroundColour(GetColour(wxT("bg")));
1132     if (HasParam(wxT("fg")))
1133         wnd->SetForegroundColour(GetColour(wxT("fg")));
1134     if (GetBool(wxT("enabled"), 1) == 0)
1135         wnd->Enable(FALSE);
1136     if (GetBool(wxT("focused"), 0) == 1)
1137         wnd->SetFocus();
1138     if (GetBool(wxT("hidden"), 0) == 1)
1139         wnd->Show(FALSE);
1140 #if wxUSE_TOOLTIPS
1141     if (HasParam(wxT("tooltip")))
1142         wnd->SetToolTip(GetText(wxT("tooltip")));
1143 #endif
1144     if (HasParam(wxT("font")))
1145         wnd->SetFont(GetFont());
1146 }
1147
1148
1149 void wxXmlResourceHandler::CreateChildren(wxObject *parent, bool this_hnd_only)
1150 {
1151     wxXmlNode *n = m_node->GetChildren();
1152
1153     while (n)
1154     {
1155         if (n->GetType() == wxXML_ELEMENT_NODE &&
1156            (n->GetName() == wxT("object") || n->GetName() == wxT("object_ref")))
1157         {
1158             m_resource->CreateResFromNode(n, parent, NULL,
1159                                           this_hnd_only ? this : NULL);
1160         }
1161         n = n->GetNext();
1162     }
1163 }
1164
1165
1166 void wxXmlResourceHandler::CreateChildrenPrivately(wxObject *parent, wxXmlNode *rootnode)
1167 {
1168     wxXmlNode *root;
1169     if (rootnode == NULL) root = m_node; else root = rootnode;
1170     wxXmlNode *n = root->GetChildren();
1171
1172     while (n)
1173     {
1174         if (n->GetType() == wxXML_ELEMENT_NODE && CanHandle(n))
1175         {
1176             CreateResource(n, parent, NULL);
1177         }
1178         n = n->GetNext();
1179     }
1180 }
1181
1182
1183
1184
1185
1186
1187
1188 // --------------- XRCID implementation -----------------------------
1189
1190 #define XRCID_TABLE_SIZE     1024
1191
1192
1193 struct XRCID_record
1194 {
1195     int id;
1196     wxChar *key;
1197     XRCID_record *next;
1198 };
1199
1200 static XRCID_record *XRCID_Records[XRCID_TABLE_SIZE] = {NULL};
1201
1202 static int XRCID_Lookup(const wxChar *str_id, int value_if_not_found = -2)
1203 {
1204     static int XRCID_LastID = wxID_HIGHEST;
1205
1206     int index = 0;
1207
1208     for (const wxChar *c = str_id; *c != wxT('\0'); c++) index += (int)*c;
1209     index %= XRCID_TABLE_SIZE;
1210
1211     XRCID_record *oldrec = NULL;
1212     for (XRCID_record *rec = XRCID_Records[index]; rec; rec = rec->next)
1213     {
1214         if (wxStrcmp(rec->key, str_id) == 0)
1215         {
1216             return rec->id;
1217         }
1218         oldrec = rec;
1219     }
1220
1221     XRCID_record **rec_var = (oldrec == NULL) ?
1222                               &XRCID_Records[index] : &oldrec->next;
1223     *rec_var = new XRCID_record;
1224     (*rec_var)->key = wxStrdup(str_id);
1225     (*rec_var)->next = NULL;
1226
1227     wxChar *end;
1228     if (value_if_not_found != -2)
1229         (*rec_var)->id = value_if_not_found;
1230     else
1231     {
1232         int asint = wxStrtol(str_id, &end, 10);
1233         if (*str_id && *end == 0)
1234         {
1235             // if str_id was integer, keep it verbosely:
1236             (*rec_var)->id = asint;
1237         }
1238         else
1239         {
1240             (*rec_var)->id = ++XRCID_LastID;
1241         }
1242     }
1243
1244     return (*rec_var)->id;
1245 }
1246
1247 /*static*/ int wxXmlResource::GetXRCID(const wxChar *str_id)
1248 {
1249     return XRCID_Lookup(str_id);
1250 }
1251
1252
1253 static void CleanXRCID_Record(XRCID_record *rec)
1254 {
1255     if (rec)
1256     {
1257         CleanXRCID_Record(rec->next);
1258         free(rec->key);
1259         delete rec;
1260     }
1261 }
1262
1263 static void CleanXRCID_Records()
1264 {
1265     for (int i = 0; i < XRCID_TABLE_SIZE; i++)
1266     {
1267         CleanXRCID_Record(XRCID_Records[i]);
1268         XRCID_Records[i] = NULL;
1269     }
1270 }
1271
1272 static void AddStdXRCID_Records()
1273 {
1274 #define stdID(id) XRCID_Lookup(wxT(#id), id)
1275     stdID(-1);
1276     stdID(wxID_OPEN); stdID(wxID_CLOSE); stdID(wxID_NEW);
1277     stdID(wxID_SAVE); stdID(wxID_SAVEAS); stdID(wxID_REVERT);
1278     stdID(wxID_EXIT); stdID(wxID_UNDO); stdID(wxID_REDO);
1279     stdID(wxID_HELP); stdID(wxID_PRINT); stdID(wxID_PRINT_SETUP);
1280     stdID(wxID_PREVIEW); stdID(wxID_ABOUT); stdID(wxID_HELP_CONTENTS);
1281     stdID(wxID_HELP_COMMANDS); stdID(wxID_HELP_PROCEDURES);
1282     stdID(wxID_CUT); stdID(wxID_COPY); stdID(wxID_PASTE);
1283     stdID(wxID_CLEAR); stdID(wxID_FIND); stdID(wxID_DUPLICATE);
1284     stdID(wxID_SELECTALL); stdID(wxID_OK); stdID(wxID_CANCEL);
1285     stdID(wxID_APPLY); stdID(wxID_YES); stdID(wxID_NO);
1286     stdID(wxID_STATIC); stdID(wxID_FORWARD); stdID(wxID_BACKWARD);
1287     stdID(wxID_DEFAULT); stdID(wxID_MORE); stdID(wxID_SETUP);
1288     stdID(wxID_RESET); stdID(wxID_HELP_CONTEXT);
1289     stdID(wxID_CLOSE_ALL);
1290 #undef stdID
1291 }
1292
1293
1294
1295
1296
1297 // --------------- module and globals -----------------------------
1298
1299 class wxXmlResourceModule: public wxModule
1300 {
1301 DECLARE_DYNAMIC_CLASS(wxXmlResourceModule)
1302 public:
1303     wxXmlResourceModule() {}
1304     bool OnInit()
1305     {
1306         AddStdXRCID_Records();
1307         wxXmlResource::AddSubclassFactory(new wxXmlSubclassFactoryCXX);
1308         return TRUE;
1309     }
1310     void OnExit()
1311     {
1312         delete wxXmlResource::Set(NULL);
1313         if(wxXmlResource::ms_subclassFactories)
1314             WX_CLEAR_LIST(wxXmlSubclassFactoriesList, *wxXmlResource::ms_subclassFactories);
1315         wxDELETE(wxXmlResource::ms_subclassFactories);
1316         CleanXRCID_Records();
1317     }
1318 };
1319
1320 IMPLEMENT_DYNAMIC_CLASS(wxXmlResourceModule, wxModule)
1321
1322
1323 // When wxXml is loaded dynamically after the application is already running
1324 // then the built-in module system won't pick this one up.  Add it manually.
1325 void wxXmlInitResourceModule()
1326 {
1327     wxModule* module = new wxXmlResourceModule;
1328     module->Init();
1329     wxModule::RegisterModule(module);
1330 }