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/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(bool use_locale)
  44 {
  45     m_handlers.DeleteContents(TRUE);
  46     m_useLocale = use_locale;
  47     m_version = -1;
  48 }
  49
  50 wxXmlResource::wxXmlResource(const wxString& filemask, bool use_locale)
  51 {
  52     m_useLocale = use_locale;
  53     m_version = -1;
  54     m_handlers.DeleteContents(TRUE);
  55     Load(filemask);
  56 }
  57
  58 wxXmlResource::~wxXmlResource()
  59 {
  60     ClearHandlers();
  61 }
  62
  63
  64 bool wxXmlResource::Load(const wxString& filemask)
  65 {
  66     wxString fnd;
  67     wxXmlResourceDataRecord *drec;
  68     bool iswild = wxIsWild(filemask);
  69     bool rt = TRUE;
  70
  71 #if wxUSE_FILESYSTEM
  72     wxFileSystem fsys;
  73 #   define wxXmlFindFirst  fsys.FindFirst(filemask, wxFILE)
  74 #   define wxXmlFindNext   fsys.FindNext()
  75 #else
  76 #   define wxXmlFindFirst  wxFindFirstFile(filemask, wxFILE)
  77 #   define wxXmlFindNext   wxFindNextFile()
  78 #endif
  79     if (iswild)
  80         fnd = wxXmlFindFirst;
  81     else
  82         fnd = filemask;
  83     while (!!fnd)
  84     {
  85 #if wxUSE_FILESYSTEM
  86         if (filemask.Lower().Matches(wxT("*.zip")) ||
  87             filemask.Lower().Matches(wxT("*.rsc")))
  88         {
  89             rt = rt && Load(fnd + wxT("#zip:*.xmb"));
  90             rt = rt && Load(fnd + wxT("#zip:*.xrc"));
  91         }
  92         else
  93 #endif
  94         {
  95             drec = new wxXmlResourceDataRecord;
  96             drec->File = fnd;
  97             m_data.Add(drec);
  98         }
  99
 100         if (iswild)
 101             fnd = wxXmlFindNext;
 102         else
 103             fnd = wxEmptyString;
 104     }
 105 #   undef wxXmlFindFirst
 106 #   undef wxXmlFindNext
 107     return rt;
 108 }
 109
 110
 111
 112 void wxXmlResource::AddHandler(wxXmlResourceHandler *handler)
 113 {
 114     m_handlers.Append(handler);
 115     handler->SetParentResource(this);
 116 }
 117
 118
 119
 120 void wxXmlResource::ClearHandlers()
 121 {
 122     m_handlers.Clear();
 123 }
 124
 125
 126
 127 wxMenu *wxXmlResource::LoadMenu(const wxString& name)
 128 {
 129     return (wxMenu*)CreateResFromNode(FindResource(name, wxT("wxMenu")), NULL, NULL);
 130 }
 131
 132
 133
 134 wxMenuBar *wxXmlResource::LoadMenuBar(const wxString& name)
 135 {
 136     return (wxMenuBar*)CreateResFromNode(FindResource(name, wxT("wxMenuBar")), NULL, NULL);
 137 }
 138
 139
 140
 141 wxToolBar *wxXmlResource::LoadToolBar(wxWindow *parent, const wxString& name)
 142 {
 143     return (wxToolBar*)CreateResFromNode(FindResource(name, wxT("wxToolBar")), parent, NULL);
 144 }
 145
 146
 147
 148 wxDialog *wxXmlResource::LoadDialog(wxWindow *parent, const wxString& name)
 149 {
 150     wxDialog *dialog = new wxDialog;
 151     if (!LoadDialog(dialog, parent, name))
 152         { delete dialog; return NULL; }
 153     else return dialog;
 154 }
 155
 156 bool wxXmlResource::LoadDialog(wxDialog *dlg, wxWindow *parent, const wxString& name)
 157 {
 158     return CreateResFromNode(FindResource(name, wxT("wxDialog")), parent, dlg) != NULL;
 159 }
 160
 161
 162
 163 wxPanel *wxXmlResource::LoadPanel(wxWindow *parent, const wxString& name)
 164 {
 165     return (wxPanel*)CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, NULL);
 166 }
 167
 168 bool wxXmlResource::LoadPanel(wxPanel *panel, wxWindow *parent, const wxString& name)
 169 {
 170     return CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, panel) != NULL;
 171 }
 172
 173 bool wxXmlResource::LoadFrame(wxFrame* frame, wxWindow *parent, const wxString& name)
 174 {
 175     return CreateResFromNode(FindResource(name, wxT("wxFrame")), parent, frame) != NULL;
 176 }
 177
 178 wxBitmap wxXmlResource::LoadBitmap(const wxString& name)
 179 {
 180     wxBitmap *bmp = (wxBitmap*)CreateResFromNode(
 181                                FindResource(name, wxT("wxBitmap")), NULL, NULL);
 182     wxBitmap rt;
 183
 184     if (bmp) { rt = *bmp; delete bmp; }
 185     return rt;
 186 }
 187
 188 wxIcon wxXmlResource::LoadIcon(const wxString& name)
 189 {
 190     wxIcon *icon = (wxIcon*)CreateResFromNode(
 191                             FindResource(name, wxT("wxIcon")), NULL, NULL);
 192     wxIcon rt;
 193
 194     if (icon) { rt = *icon; delete icon; }
 195     return rt;
 196 }
 197
 198 bool wxXmlResource::AttachUnknownControl(const wxString& name,
 199                                          wxWindow *control, wxWindow *parent)
 200 {
 201     if (parent == NULL)
 202         parent = control->GetParent();
 203     wxWindow *container = parent->FindWindow(name + wxT("_container"));
 204     if (!container)
 205     {
 206         wxLogError(_("Cannot find container for unknown control '%s'."), name.c_str());
 207         return FALSE;
 208     }
 209     return control->Reparent(container);
 210 }
 211
 212
 213 static void ProcessPlatformProperty(wxXmlNode *node)
 214 {
 215     wxString s;
 216     bool isok;
 217
 218     wxXmlNode *c = node->GetChildren();
 219     while (c)
 220     {
 221         isok = FALSE;
 222         if (!c->GetPropVal(wxT("platform"), &s))
 223             isok = TRUE;
 224         else
 225         {
 226             wxStringTokenizer tkn(s, " |");
 227
 228             while (tkn.HasMoreTokens())
 229             {
 230                 s = tkn.GetNextToken();
 231                 if (
 232 #ifdef __WXMSW__
 233                     s == wxString(wxT("win"))
 234 #elif defined(__UNIX__)
 235                     s == wxString(wxT("unix"))
 236 #elif defined(__MAC__)
 237                     s == wxString(wxT("mac"))
 238 #elif defined(__OS2__)
 239                     s == wxString(wxT("os2"))
 240 #else
 241                     FALSE
 242 #endif
 243               ) isok = TRUE;
 244             }
 245         }
 246
 247         if (isok)
 248         {
 249             ProcessPlatformProperty(c);
 250             c = c->GetNext();
 251         }
 252         else
 253         {
 254             node->RemoveChild(c);
 255             wxXmlNode *c2 = c->GetNext();
 256             delete c;
 257             c = c2;
 258         }
 259     }
 260 }
 261
 262
 263
 264 void wxXmlResource::UpdateResources()
 265 {
 266     bool modif;
 267 #   if wxUSE_FILESYSTEM
 268     wxFSFile *file = NULL;
 269     wxFileSystem fsys;
 270 #   endif
 271
 272     for (size_t i = 0; i < m_data.GetCount(); i++)
 273     {
 274         modif = (m_data[i].Doc == NULL);
 275
 276         if (!modif)
 277         {
 278 #           if wxUSE_FILESYSTEM
 279             file = fsys.OpenFile(m_data[i].File);
 280             modif = file && file->GetModificationTime() > m_data[i].Time;
 281             if (!file)
 282                 wxLogError(_("Cannot open file '%s'."), m_data[i].File.c_str());
 283             wxDELETE(file);
 284 #           else
 285             modif = wxDateTime(wxFileModificationTime(m_data[i].File)) > m_data[i].Time;
 286 #           endif
 287         }
 288
 289         if (modif)
 290         {
 291                         wxInputStream *stream = NULL;
 292
 293 #           if wxUSE_FILESYSTEM
 294             file = fsys.OpenFile(m_data[i].File);
 295                         if (file)
 296                                 stream = file->GetStream();
 297 #           else
 298             stream = new wxFileInputStream(m_data[i].File);
 299 #           endif
 300
 301             if (stream)
 302             {
 303                 delete m_data[i].Doc;
 304                 m_data[i].Doc = new wxXmlDocument;
 305             }
 306             if (!stream || !m_data[i].Doc->Load(*stream))
 307             {
 308                 wxLogError(_("Cannot load resources from file '%s'."), m_data[i].File.c_str());
 309                 wxDELETE(m_data[i].Doc);
 310             }
 311             else if (m_data[i].Doc->GetRoot()->GetName() != wxT("resource"))
 312             {
 313                 wxLogError(_("Invalid XRC resource '%s': doesn't have root node 'resource'."), m_data[i].File.c_str());
 314                 wxDELETE(m_data[i].Doc);
 315             }
 316             else
 317                         {
 318                 long version;
 319                 int v1, v2, v3, v4;
 320                 wxString verstr = m_data[i].Doc->GetRoot()->GetPropVal(
 321                                       wxT("version"), wxT("0.0.0.0"));
 322                 if (wxSscanf(verstr.c_str(), wxT("%i.%i.%i.%i"),
 323                     &v1, &v2, &v3, &v4) == 4)
 324                     version = v1*256*256*256+v2*256*256+v3*256+v4;
 325                 else
 326                     version = 0;
 327                 if (m_version == -1)
 328                     m_version = version;
 329                 if (m_version != version)
 330                     wxLogError(_("Resource files must have same version number!"));
 331
 332                 ProcessPlatformProperty(m_data[i].Doc->GetRoot());
 333                                 m_data[i].Time = file->GetModificationTime();
 334                         }
 335
 336 #           if wxUSE_FILESYSTEM
 337                                 wxDELETE(file);
 338 #           else
 339                                 wxDELETE(stream);
 340 #           endif
 341         }
 342     }
 343 }
 344
 345
 346
 347 wxXmlNode *wxXmlResource::FindResource(const wxString& name, const wxString& classname)
 348 {
 349     UpdateResources(); //ensure everything is up-to-date
 350
 351     wxString dummy;
 352     for (size_t f = 0; f < m_data.GetCount(); f++)
 353     {
 354         if (m_data[f].Doc == NULL || m_data[f].Doc->GetRoot() == NULL) continue;
 355         for (wxXmlNode *node = m_data[f].Doc->GetRoot()->GetChildren();
 356                                       node; node = node->GetNext())
 357             if (node->GetType() == wxXML_ELEMENT_NODE &&
 358                 (!classname ||
 359                   node->GetPropVal(wxT("class"), wxEmptyString) == classname) &&
 360                 node->GetName() == wxT("object") &&
 361                 node->GetPropVal(wxT("name"), &dummy) &&
 362                 dummy == name)
 363             {
 364 #if wxUSE_FILESYSTEM
 365                 m_curFileSystem.ChangePathTo(m_data[f].File);
 366 #endif
 367                 return node;
 368             }
 369     }
 370
 371     wxLogError(_("XRC resource '%s' (class '%s') not found!"),
 372                name.c_str(), classname.c_str());
 373     return NULL;
 374 }
 375
 376
 377
 378 wxObject *wxXmlResource::CreateResFromNode(wxXmlNode *node, wxObject *parent, wxObject *instance)
 379 {
 380     if (node == NULL) return NULL;
 381
 382     wxXmlResourceHandler *handler;
 383     wxObject *ret;
 384     wxNode * ND = m_handlers.GetFirst();
 385     while (ND)
 386     {
 387         handler = (wxXmlResourceHandler*)ND->GetData();
 388         if (node->GetName() == wxT("object") && handler->CanHandle(node))
 389         {
 390             ret = handler->CreateResource(node, parent, instance);
 391             if (ret) return ret;
 392         }
 393         ND = ND->GetNext();
 394     }
 395
 396     wxLogError(_("No handler found for XML node '%s', class '%s'!"),
 397                node->GetName().c_str(),
 398                node->GetPropVal(wxT("class"), wxEmptyString).c_str());
 399     return NULL;
 400 }
 401
 402
 403
 404
 405
 406
 407
 408
 409
 410 wxXmlResourceHandler::wxXmlResourceHandler()
 411         : m_node(NULL), m_parent(NULL), m_instance(NULL),
 412           m_parentAsWindow(NULL), m_instanceAsWindow(NULL)
 413 {}
 414
 415
 416
 417 wxObject *wxXmlResourceHandler::CreateResource(wxXmlNode *node, wxObject *parent, wxObject *instance)
 418 {
 419     wxXmlNode *myNode = m_node;
 420     wxString myClass = m_class;
 421     wxObject *myParent = m_parent, *myInstance = m_instance;
 422     wxWindow *myParentAW = m_parentAsWindow, *myInstanceAW = m_instanceAsWindow;
 423
 424     m_node = node;
 425     m_class = node->GetPropVal(wxT("class"), wxEmptyString);
 426     m_parent = parent;
 427     m_instance = instance;
 428     m_parentAsWindow = wxDynamicCast(m_parent, wxWindow);
 429     m_instanceAsWindow = wxDynamicCast(m_instance, wxWindow);
 430
 431     wxObject *returned = DoCreateResource();
 432
 433     m_node = myNode;
 434     m_class = myClass;
 435     m_parent = myParent; m_parentAsWindow = myParentAW;
 436     m_instance = myInstance; m_instanceAsWindow = myInstanceAW;
 437
 438     return returned;
 439 }
 440
 441
 442 void wxXmlResourceHandler::AddStyle(const wxString& name, int value)
 443 {
 444     m_styleNames.Add(name);
 445     m_styleValues.Add(value);
 446 }
 447
 448
 449
 450 void wxXmlResourceHandler::AddWindowStyles()
 451 {
 452     ADD_STYLE(wxSIMPLE_BORDER);
 453     ADD_STYLE(wxSUNKEN_BORDER);
 454     ADD_STYLE(wxDOUBLE_BORDER);
 455     ADD_STYLE(wxRAISED_BORDER);
 456     ADD_STYLE(wxSTATIC_BORDER);
 457     ADD_STYLE(wxNO_BORDER);
 458     ADD_STYLE(wxTRANSPARENT_WINDOW);
 459     ADD_STYLE(wxWANTS_CHARS);
 460     ADD_STYLE(wxNO_FULL_REPAINT_ON_RESIZE);
 461 }
 462
 463
 464
 465 bool wxXmlResourceHandler::HasParam(const wxString& param)
 466 {
 467     return (GetParamNode(param) != NULL);
 468 }
 469
 470
 471 int wxXmlResourceHandler::GetStyle(const wxString& param, int defaults)
 472 {
 473     wxString s = GetParamValue(param);
 474
 475     if (!s) return defaults;
 476
 477     wxStringTokenizer tkn(s, wxT("| "), wxTOKEN_STRTOK);
 478     int style = 0;
 479     int index;
 480     wxString fl;
 481     while (tkn.HasMoreTokens())
 482     {
 483         fl = tkn.GetNextToken();
 484         index = m_styleNames.Index(fl);
 485         if (index != wxNOT_FOUND)
 486             style |= m_styleValues[index];
 487         else
 488             wxLogError(_("Unknown style flag ") + fl);
 489     }
 490     return style;
 491 }
 492
 493
 494
 495 wxString wxXmlResourceHandler::GetText(const wxString& param)
 496 {
 497     wxString str1;
 498     wxString str2;
 499     const wxChar *dt;
 500     wxChar amp_char;
 501
 502     if (m_resource->GetUseLocale())
 503         str1 = wxGetTranslation(GetParamValue(param));
 504     else
 505         str1 = GetParamValue(param);
 506
 507     // VS: First version of XRC resources used $ instead of & (which is illegal in XML),
 508     //     but later I realized that '_' fits this purpose much better (because
 509     //     &File means "File with F underlined").
 510     if (m_resource->CompareVersion(2,3,0,1) < 0)
 511         amp_char = wxT('$');
 512     else
 513         amp_char = wxT('_');
 514
 515     for (dt = str1.c_str(); *dt; dt++)
 516     {
 517         // Remap amp_char to &, map double amp_char to amp_char (for things
 518         // like "&File..." -- this is illegal in XML, so we use "_File..."):
 519         if (*dt == amp_char)
 520         {
 521             if ( *(++dt) == amp_char )
 522                 str2 << amp_char;
 523             else
 524                 str2 << wxT('&') << *dt;
 525         }
 526         // Remap \n to CR, \r to LF, \t to TAB:
 527         else if (*dt == wxT('\\'))
 528             switch (*(++dt))
 529             {
 530                 case wxT('n') : str2 << wxT('\n'); break;
 531                 case wxT('t') : str2 << wxT('\t'); break;
 532                 case wxT('r') : str2 << wxT('\r'); break;
 533                 default       : str2 << wxT('\\') << *dt; break;
 534             }
 535         else str2 << *dt;
 536     }
 537
 538     return str2;
 539 }
 540
 541
 542
 543 long wxXmlResourceHandler::GetLong(const wxString& param, long defaultv)
 544 {
 545     long value;
 546     wxString str1 = GetParamValue(param);
 547
 548     if (!str1.ToLong(&value))
 549         value = defaultv;
 550
 551     return value;
 552 }
 553
 554
 555 int wxXmlResourceHandler::GetID()
 556 {
 557     wxString sid = GetName();
 558     long num;
 559
 560     if (sid == wxT("-1")) return -1;
 561     else if (sid.IsNumber() && sid.ToLong(&num)) return num;
 562 #define stdID(id) else if (sid == wxT(#id)) return id
 563     stdID(wxID_OPEN); stdID(wxID_CLOSE); stdID(wxID_NEW);
 564     stdID(wxID_SAVE); stdID(wxID_SAVEAS); stdID(wxID_REVERT);
 565     stdID(wxID_EXIT); stdID(wxID_UNDO); stdID(wxID_REDO);
 566     stdID(wxID_HELP); stdID(wxID_PRINT); stdID(wxID_PRINT_SETUP);
 567     stdID(wxID_PREVIEW); stdID(wxID_ABOUT); stdID(wxID_HELP_CONTENTS);
 568     stdID(wxID_HELP_COMMANDS); stdID(wxID_HELP_PROCEDURES);
 569     stdID(wxID_CUT); stdID(wxID_COPY); stdID(wxID_PASTE);
 570     stdID(wxID_CLEAR); stdID(wxID_FIND); stdID(wxID_DUPLICATE);
 571     stdID(wxID_SELECTALL); stdID(wxID_OK); stdID(wxID_CANCEL);
 572     stdID(wxID_APPLY); stdID(wxID_YES); stdID(wxID_NO);
 573     stdID(wxID_STATIC); stdID(wxID_FORWARD); stdID(wxID_BACKWARD);
 574     stdID(wxID_DEFAULT); stdID(wxID_MORE); stdID(wxID_SETUP);
 575     stdID(wxID_RESET); stdID(wxID_HELP_CONTEXT);
 576 #undef stdID
 577     else return wxXmlResource::GetXMLID(sid);
 578 }
 579
 580
 581 wxString wxXmlResourceHandler::GetName()
 582 {
 583     return m_node->GetPropVal(wxT("name"), wxT("-1"));
 584 }
 585
 586
 587
 588 bool wxXmlResourceHandler::GetBool(const wxString& param, bool defaultv)
 589 {
 590     wxString v = GetParamValue(param);
 591     v.MakeLower();
 592     if (!v) return defaultv;
 593     else return (v == wxT("1"));
 594 }
 595
 596
 597
 598 wxColour wxXmlResourceHandler::GetColour(const wxString& param)
 599 {
 600     wxString v = GetParamValue(param);
 601     unsigned long tmp = 0;
 602
 603     if (v.Length() != 7 || v[0u] != wxT('#') ||
 604         wxSscanf(v.c_str(), wxT("#%lX"), &tmp) != 1)
 605     {
 606         wxLogError(_("XRC resource: Incorrect colour specification '%s' for property '%s'."),
 607                    v.c_str(), param.c_str());
 608         return wxNullColour;
 609     }
 610
 611     return wxColour((unsigned char) ((tmp & 0xFF0000) >> 16) ,
 612                     (unsigned char) ((tmp & 0x00FF00) >> 8),
 613                     (unsigned char) ((tmp & 0x0000FF)));
 614 }
 615
 616
 617
 618 wxBitmap wxXmlResourceHandler::GetBitmap(const wxString& param, wxSize size)
 619 {
 620     wxString name = GetParamValue(param);
 621     if (name.IsEmpty()) return wxNullBitmap;
 622 #if wxUSE_FILESYSTEM
 623     wxFSFile *fsfile = GetCurFileSystem().OpenFile(name);
 624     if (fsfile == NULL)
 625     {
 626         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."), param.c_str());
 627         return wxNullBitmap;
 628     }
 629     wxImage img(*(fsfile->GetStream()));
 630     delete fsfile;
 631 #else
 632     wxImage img(GetParamValue(wxT("bitmap")));
 633 #endif
 634     if (!img.Ok())
 635     {
 636         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."), param.c_str());
 637         return wxNullBitmap;
 638     }
 639     if (!(size == wxDefaultSize)) img.Rescale(size.x, size.y);
 640     return img.ConvertToBitmap();
 641 }
 642
 643
 644
 645 wxIcon wxXmlResourceHandler::GetIcon(const wxString& param, wxSize size)
 646 {
 647 #if wxCHECK_VERSION(2,3,0) || defined(__WXMSW__)
 648     wxIcon icon;
 649     icon.CopyFromBitmap(GetBitmap(param, size));
 650 #else
 651     wxIcon *iconpt;
 652     wxBitmap bmppt = GetBitmap(param, size);
 653     iconpt = (wxIcon*)(&bmppt);
 654     wxIcon icon(*iconpt);
 655 #endif
 656     return icon;
 657 }
 658
 659
 660
 661 wxXmlNode *wxXmlResourceHandler::GetParamNode(const wxString& param)
 662 {
 663     wxXmlNode *n = m_node->GetChildren();
 664
 665     while (n)
 666     {
 667         if (n->GetType() == wxXML_ELEMENT_NODE && n->GetName() == param)
 668             return n;
 669         n = n->GetNext();
 670     }
 671     return NULL;
 672 }
 673
 674
 675 wxString wxXmlResourceHandler::GetNodeContent(wxXmlNode *node)
 676 {
 677     wxXmlNode *n = node;
 678     if (n == NULL) return wxEmptyString;
 679     n = n->GetChildren();
 680
 681     while (n)
 682     {
 683         if (n->GetType() == wxXML_TEXT_NODE ||
 684             n->GetType() == wxXML_CDATA_SECTION_NODE)
 685             return n->GetContent();
 686         n = n->GetNext();
 687     }
 688     return wxEmptyString;
 689 }
 690
 691
 692
 693 wxString wxXmlResourceHandler::GetParamValue(const wxString& param)
 694 {
 695     if (param.IsEmpty())
 696         return GetNodeContent(m_node);
 697     else
 698         return GetNodeContent(GetParamNode(param));
 699 }
 700
 701
 702
 703 wxSize wxXmlResourceHandler::GetSize(const wxString& param)
 704 {
 705     wxString s = GetParamValue(param);
 706     if (s.IsEmpty()) s = wxT("-1,-1");
 707     bool is_dlg;
 708     long sx, sy;
 709
 710     is_dlg = s[s.Length()-1] == wxT('d');
 711     if (is_dlg) s.RemoveLast();
 712
 713     if (!s.BeforeFirst(wxT(',')).ToLong(&sx) ||
 714         !s.AfterLast(wxT(',')).ToLong(&sy))
 715     {
 716         wxLogError(_("Cannot parse coordinates from '%s'."), s.c_str());
 717         return wxDefaultSize;
 718     }
 719
 720     if (is_dlg)
 721     {
 722         if (m_instanceAsWindow)
 723             return wxDLG_UNIT(m_instanceAsWindow, wxSize(sx, sy));
 724         else if (m_parentAsWindow)
 725             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, sy));
 726         else
 727         {
 728             wxLogError(_("Cannot convert dialog units: dialog unknown."));
 729             return wxDefaultSize;
 730         }
 731     }
 732     else return wxSize(sx, sy);
 733 }
 734
 735
 736
 737 wxPoint wxXmlResourceHandler::GetPosition(const wxString& param)
 738 {
 739     wxSize sz = GetSize(param);
 740     return wxPoint(sz.x, sz.y);
 741 }
 742
 743
 744
 745 wxCoord wxXmlResourceHandler::GetDimension(const wxString& param, wxCoord defaultv)
 746 {
 747     wxString s = GetParamValue(param);
 748     if (s.IsEmpty()) return defaultv;
 749     bool is_dlg;
 750     long sx;
 751
 752     is_dlg = s[s.Length()-1] == wxT('d');
 753     if (is_dlg) s.RemoveLast();
 754
 755     if (!s.ToLong(&sx))
 756     {
 757         wxLogError(_("Cannot parse dimension from '%s'."), s.c_str());
 758         return defaultv;
 759     }
 760
 761     if (is_dlg)
 762     {
 763         if (m_instanceAsWindow)
 764             return wxDLG_UNIT(m_instanceAsWindow, wxSize(sx, 0)).x;
 765         else if (m_parentAsWindow)
 766             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, 0)).x;
 767         else
 768         {
 769             wxLogError(_("Cannot convert dialog units: dialog unknown."));
 770             return defaultv;
 771         }
 772     }
 773     else return sx;
 774 }
 775
 776
 777
 778 wxFont wxXmlResourceHandler::GetFont(const wxString& param)
 779 {
 780     wxXmlNode *font_node = GetParamNode(param);
 781     if (font_node == NULL)
 782     {
 783         wxLogError(_("Cannot find font node '%s'."), param.c_str());
 784         return wxNullFont;
 785     }
 786
 787     wxXmlNode *oldnode = m_node;
 788     m_node = font_node;
 789
 790     long size = GetLong(wxT("size"), 12);
 791
 792     wxString style = GetParamValue(wxT("style"));
 793     wxString weight = GetParamValue(wxT("weight"));
 794     int istyle = wxNORMAL, iweight = wxNORMAL;
 795     if (style == wxT("italic")) istyle = wxITALIC;
 796     else if (style == wxT("slant")) istyle = wxSLANT;
 797     if (weight == wxT("bold")) iweight = wxBOLD;
 798     else if (weight == wxT("light")) iweight = wxLIGHT;
 799
 800     wxString family = GetParamValue(wxT("family"));
 801     int ifamily = wxDEFAULT;
 802          if (family == wxT("decorative")) ifamily = wxDECORATIVE;
 803     else if (family == wxT("roman")) ifamily = wxROMAN;
 804     else if (family == wxT("script")) ifamily = wxSCRIPT;
 805     else if (family == wxT("swiss")) ifamily = wxSWISS;
 806     else if (family == wxT("modern")) ifamily = wxMODERN;
 807
 808     bool underlined = GetBool(wxT("underlined"), FALSE);
 809
 810     wxString encoding = GetParamValue(wxT("encoding"));
 811     wxFontMapper mapper;
 812     wxFontEncoding enc = wxFONTENCODING_DEFAULT;
 813     if (!encoding.IsEmpty())
 814         enc = mapper.CharsetToEncoding(encoding);
 815     if (enc == wxFONTENCODING_SYSTEM)
 816         enc = wxFONTENCODING_DEFAULT;
 817
 818     wxString faces = GetParamValue(wxT("face"));
 819     wxString facename = wxEmptyString;
 820     wxFontEnumerator enu;
 821     enu.EnumerateFacenames();
 822     wxStringTokenizer tk(faces, wxT(","));
 823     while (tk.HasMoreTokens())
 824     {
 825         int index = enu.GetFacenames()->Index(tk.GetNextToken(), FALSE);
 826         if (index != wxNOT_FOUND)
 827         {
 828             facename = (*enu.GetFacenames())[index];
 829             break;
 830         }
 831     }
 832
 833     m_node = oldnode;
 834
 835     wxFont font(size, ifamily, istyle, iweight, underlined, facename, enc);
 836     return font;
 837 }
 838
 839
 840 void wxXmlResourceHandler::SetupWindow(wxWindow *wnd)
 841 {
 842     //FIXME : add cursor
 843
 844     if (HasParam(wxT("exstyle")))
 845         wnd->SetExtraStyle(GetStyle(wxT("exstyle")));
 846     if (HasParam(wxT("bg")))
 847         wnd->SetBackgroundColour(GetColour(wxT("bg")));
 848     if (HasParam(wxT("fg")))
 849         wnd->SetForegroundColour(GetColour(wxT("fg")));
 850     if (GetBool(wxT("enabled"), 1) == 0)
 851         wnd->Enable(FALSE);
 852     if (GetBool(wxT("focused"), 0) == 1)
 853         wnd->SetFocus();
 854     if (GetBool(wxT("hidden"), 0) == 1)
 855         wnd->Show(FALSE);
 856 #if wxUSE_TOOLTIPS
 857     if (HasParam(wxT("tooltip")))
 858         wnd->SetToolTip(GetText(wxT("tooltip")));
 859 #endif
 860     if (HasParam(wxT("font")))
 861         wnd->SetFont(GetFont());
 862 }
 863
 864
 865 void wxXmlResourceHandler::CreateChildren(wxObject *parent, bool this_hnd_only)
 866 {
 867     wxXmlNode *n = m_node->GetChildren();
 868
 869     while (n)
 870     {
 871         if (n->GetType() == wxXML_ELEMENT_NODE &&
 872             n->GetName() == wxT("object"))
 873         {
 874             if (this_hnd_only && CanHandle(n))
 875                 CreateResource(n, parent, NULL);
 876             else
 877                 m_resource->CreateResFromNode(n, parent, NULL);
 878         }
 879         n = n->GetNext();
 880     }
 881 }
 882
 883
 884 void wxXmlResourceHandler::CreateChildrenPrivately(wxObject *parent, wxXmlNode *rootnode)
 885 {
 886     wxXmlNode *root;
 887     if (rootnode == NULL) root = m_node; else root = rootnode;
 888     wxXmlNode *n = root->GetChildren();
 889
 890     while (n)
 891     {
 892         if (n->GetType() == wxXML_ELEMENT_NODE && CanHandle(n))
 893         {
 894             CreateResource(n, parent, NULL);
 895         }
 896         n = n->GetNext();
 897     }
 898 }
 899
 900
 901
 902
 903
 904
 905
 906 // --------------- XMLID implementation -----------------------------
 907
 908 #define XMLID_TABLE_SIZE     1024
 909
 910
 911 struct XMLID_record
 912 {
 913     int id;
 914     wxChar *key;
 915     XMLID_record *next;
 916 };
 917
 918 static XMLID_record *XMLID_Records[XMLID_TABLE_SIZE] = {NULL};
 919
 920 /*static*/ int wxXmlResource::GetXMLID(const wxChar *str_id)
 921 {
 922     static int XMLID_LastID = wxID_HIGHEST;
 923
 924     int index = 0;
 925
 926     for (const wxChar *c = str_id; *c != wxT('\0'); c++) index += (int)*c;
 927     index %= XMLID_TABLE_SIZE;
 928
 929     XMLID_record *oldrec = NULL;
 930     int matchcnt = 0;
 931     for (XMLID_record *rec = XMLID_Records[index]; rec; rec = rec->next)
 932     {
 933         if (wxStrcmp(rec->key, str_id) == 0)
 934         {
 935             return rec->id;
 936         }
 937         matchcnt++;
 938         oldrec = rec;
 939     }
 940
 941     XMLID_record **rec_var = (oldrec == NULL) ?
 942                               &XMLID_Records[index] : &oldrec->next;
 943     *rec_var = new XMLID_record;
 944     (*rec_var)->id = ++XMLID_LastID;
 945     (*rec_var)->key = wxStrdup(str_id);
 946     (*rec_var)->next = NULL;
 947
 948     return (*rec_var)->id;
 949 }
 950
 951
 952 static void CleanXMLID_Record(XMLID_record *rec)
 953 {
 954     if (rec)
 955     {
 956         CleanXMLID_Record(rec->next);
 957         free(rec->key);
 958         delete rec;
 959     }
 960 }
 961
 962 static void CleanXMLID_Records()
 963 {
 964     for (int i = 0; i < XMLID_TABLE_SIZE; i++)
 965         CleanXMLID_Record(XMLID_Records[i]);
 966 }
 967
 968
 969
 970
 971
 972
 973
 974
 975 // --------------- module and globals -----------------------------
 976
 977
 978 static wxXmlResource gs_XmlResource;
 979
 980 wxXmlResource *wxTheXmlResource = &gs_XmlResource;
 981
 982
 983 class wxXmlResourceModule: public wxModule
 984 {
 985 DECLARE_DYNAMIC_CLASS(wxXmlResourceModule)
 986 public:
 987     wxXmlResourceModule() {}
 988     bool OnInit() {return TRUE;}
 989     void OnExit()
 990     {
 991         wxTheXmlResource->ClearHandlers();
 992         CleanXMLID_Records();
 993     }
 994 };
 995
 996 IMPLEMENT_DYNAMIC_CLASS(wxXmlResourceModule, wxModule)
 997
 998
 999 // When wxXml is loaded dynamically after the application is already running
1000 // then the built-in module system won't pick this one up.  Add it manually.
1001 void wxXmlInitResourceModule()
1002 {
1003     wxModule* module = new wxXmlResourceModule;
1004     module->Init();
1005     wxModule::RegisterModule(module);
1006 }
1007
1008