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