1 /////////////////////////////////////////////////////////////////////////////
2 // Name:        src/xrc/xmlres.cpp
3 // Purpose:     XRC resources
4 // Author:      Vaclav Slavik
5 // Created:     2000/03/05
6 // RCS-ID:      $Id: xmlres.cpp 63465 2010-02-11 12:36:43Z VS $
7 // Copyright:   (c) 2000 Vaclav Slavik
8 // Licence:     wxWindows licence
9 /////////////////////////////////////////////////////////////////////////////
10 
11 // For compilers that support precompilation, includes "wx.h".
12 #include "wx/wxprec.h"
13 
14 #ifdef __BORLANDC__
15     #pragma hdrstop
16 #endif
17 
18 #if wxUSE_XRC
19 
20 #include "wx/xrc/xmlres.h"
21 
22 #ifndef WX_PRECOMP
23     #include "wx/intl.h"
24     #include "wx/log.h"
25     #include "wx/panel.h"
26     #include "wx/frame.h"
27     #include "wx/dialog.h"
28     #include "wx/settings.h"
29     #include "wx/bitmap.h"
30     #include "wx/image.h"
31     #include "wx/module.h"
32 #endif
33 
34 #ifndef __WXWINCE__
35     #include <locale.h>
36 #endif
37 
38 #include "wx/wfstream.h"
39 #include "wx/filesys.h"
40 #include "wx/filename.h"
41 #include "wx/tokenzr.h"
42 #include "wx/fontenum.h"
43 #include "wx/fontmap.h"
44 #include "wx/artprov.h"
45 
46 #include "wx/xml/xml.h"
47 
48 #include "wx/arrimpl.cpp"
49 WX_DEFINE_OBJARRAY(wxXmlResourceDataRecords)
50 
51 
52 wxXmlResource *wxXmlResource::ms_instance = NULL;
53 
Get()54 /*static*/ wxXmlResource *wxXmlResource::Get()
55 {
56     if ( !ms_instance )
57         ms_instance = new wxXmlResource;
58     return ms_instance;
59 }
60 
Set(wxXmlResource * res)61 /*static*/ wxXmlResource *wxXmlResource::Set(wxXmlResource *res)
62 {
63     wxXmlResource *old = ms_instance;
64     ms_instance = res;
65     return old;
66 }
67 
wxXmlResource(int flags,const wxString & domain)68 wxXmlResource::wxXmlResource(int flags, const wxString& domain)
69 {
70     m_flags = flags;
71     m_version = -1;
72     m_domain = NULL;
73     if (! domain.empty() )
74         SetDomain(domain);
75 }
76 
wxXmlResource(const wxString & filemask,int flags,const wxString & domain)77 wxXmlResource::wxXmlResource(const wxString& filemask, int flags, const wxString& domain)
78 {
79     m_flags = flags;
80     m_version = -1;
81     m_domain = NULL;
82     if (! domain.empty() )
83         SetDomain(domain);
84     Load(filemask);
85 }
86 
~wxXmlResource()87 wxXmlResource::~wxXmlResource()
88 {
89     if (m_domain)
90         free(m_domain);
91     ClearHandlers();
92 }
93 
SetDomain(const wxChar * domain)94 void wxXmlResource::SetDomain(const wxChar* domain)
95 {
96     if (m_domain)
97         free(m_domain);
98     m_domain = NULL;
99     if (domain && wxStrlen(domain))
100         m_domain = wxStrdup(domain);
101 }
102 
103 
104 /* static */
ConvertFileNameToURL(const wxString & filename)105 wxString wxXmlResource::ConvertFileNameToURL(const wxString& filename)
106 {
107     wxString fnd(filename);
108 
109     // NB: as Load() and Unload() accept both filenames and URLs (should
110     //     probably be changed to filenames only, but embedded resources
111     //     currently rely on its ability to handle URLs - FIXME) we need to
112     //     determine whether found name is filename and not URL and this is the
113     //     fastest/simplest way to do it
114     if (wxFileName::FileExists(fnd))
115     {
116         // Make the name absolute filename, because the app may
117         // change working directory later:
118         wxFileName fn(fnd);
119         if (fn.IsRelative())
120         {
121             fn.MakeAbsolute();
122             fnd = fn.GetFullPath();
123         }
124 #if wxUSE_FILESYSTEM
125         fnd = wxFileSystem::FileNameToURL(fnd);
126 #endif
127     }
128 
129     return fnd;
130 }
131 
132 #if wxUSE_FILESYSTEM
133 
134 /* static */
IsArchive(const wxString & filename)135 bool wxXmlResource::IsArchive(const wxString& filename)
136 {
137     const wxString fnd = filename.Lower();
138 
139     return fnd.Matches(wxT("*.zip")) || fnd.Matches(wxT("*.xrs"));
140 }
141 
142 #endif // wxUSE_FILESYSTEM
143 
Load(const wxString & filemask)144 bool wxXmlResource::Load(const wxString& filemask)
145 {
146     wxString fnd;
147     wxXmlResourceDataRecord *drec;
148     bool iswild = wxIsWild(filemask);
149     bool rt = true;
150 
151 #if wxUSE_FILESYSTEM
152     wxFileSystem fsys;
153 #   define wxXmlFindFirst  fsys.FindFirst(filemask, wxFILE)
154 #   define wxXmlFindNext   fsys.FindNext()
155 #else
156 #   define wxXmlFindFirst  wxFindFirstFile(filemask, wxFILE)
157 #   define wxXmlFindNext   wxFindNextFile()
158 #endif
159     if (iswild)
160         fnd = wxXmlFindFirst;
161     else
162         fnd = filemask;
163     while (!fnd.empty())
164     {
165         fnd = ConvertFileNameToURL(fnd);
166 
167 #if wxUSE_FILESYSTEM
168         if ( IsArchive(fnd) )
169         {
170             rt = rt && Load(fnd + wxT("#zip:*.xrc"));
171         }
172         else // a single resource URL
173 #endif // wxUSE_FILESYSTEM
174         {
175             drec = new wxXmlResourceDataRecord;
176             drec->File = fnd;
177             m_data.Add(drec);
178         }
179 
180         if (iswild)
181             fnd = wxXmlFindNext;
182         else
183             fnd = wxEmptyString;
184     }
185 #   undef wxXmlFindFirst
186 #   undef wxXmlFindNext
187     return rt && UpdateResources();
188 }
189 
Unload(const wxString & filename)190 bool wxXmlResource::Unload(const wxString& filename)
191 {
192     wxASSERT_MSG( !wxIsWild(filename),
193                     _T("wildcards not supported by wxXmlResource::Unload()") );
194 
195     wxString fnd = ConvertFileNameToURL(filename);
196 #if wxUSE_FILESYSTEM
197     const bool isArchive = IsArchive(fnd);
198     if ( isArchive )
199         fnd += _T("#zip:");
200 #endif // wxUSE_FILESYSTEM
201 
202     bool unloaded = false;
203     const size_t count = m_data.GetCount();
204     for ( size_t i = 0; i < count; i++ )
205     {
206 #if wxUSE_FILESYSTEM
207         if ( isArchive )
208         {
209             if ( m_data[i].File.StartsWith(fnd) )
210                 unloaded = true;
211             // don't break from the loop, we can have other matching files
212         }
213         else // a single resource URL
214 #endif // wxUSE_FILESYSTEM
215         {
216             if ( m_data[i].File == fnd )
217             {
218                 m_data.RemoveAt(i);
219                 unloaded = true;
220 
221                 // no sense in continuing, there is only one file with this URL
222                 break;
223             }
224         }
225     }
226 
227     return unloaded;
228 }
229 
230 
IMPLEMENT_ABSTRACT_CLASS(wxXmlResourceHandler,wxObject)231 IMPLEMENT_ABSTRACT_CLASS(wxXmlResourceHandler, wxObject)
232 
233 void wxXmlResource::AddHandler(wxXmlResourceHandler *handler)
234 {
235     m_handlers.Append(handler);
236     handler->SetParentResource(this);
237 }
238 
InsertHandler(wxXmlResourceHandler * handler)239 void wxXmlResource::InsertHandler(wxXmlResourceHandler *handler)
240 {
241     m_handlers.Insert(handler);
242     handler->SetParentResource(this);
243 }
244 
245 
246 
ClearHandlers()247 void wxXmlResource::ClearHandlers()
248 {
249     WX_CLEAR_LIST(wxList, m_handlers);
250 }
251 
252 
LoadMenu(const wxString & name)253 wxMenu *wxXmlResource::LoadMenu(const wxString& name)
254 {
255     return (wxMenu*)CreateResFromNode(FindResource(name, wxT("wxMenu")), NULL, NULL);
256 }
257 
258 
259 
LoadMenuBar(wxWindow * parent,const wxString & name)260 wxMenuBar *wxXmlResource::LoadMenuBar(wxWindow *parent, const wxString& name)
261 {
262     return (wxMenuBar*)CreateResFromNode(FindResource(name, wxT("wxMenuBar")), parent, NULL);
263 }
264 
265 
266 
267 #if wxUSE_TOOLBAR
LoadToolBar(wxWindow * parent,const wxString & name)268 wxToolBar *wxXmlResource::LoadToolBar(wxWindow *parent, const wxString& name)
269 {
270     return (wxToolBar*)CreateResFromNode(FindResource(name, wxT("wxToolBar")), parent, NULL);
271 }
272 #endif
273 
274 
LoadDialog(wxWindow * parent,const wxString & name)275 wxDialog *wxXmlResource::LoadDialog(wxWindow *parent, const wxString& name)
276 {
277     return (wxDialog*)CreateResFromNode(FindResource(name, wxT("wxDialog")), parent, NULL);
278 }
279 
LoadDialog(wxDialog * dlg,wxWindow * parent,const wxString & name)280 bool wxXmlResource::LoadDialog(wxDialog *dlg, wxWindow *parent, const wxString& name)
281 {
282     return CreateResFromNode(FindResource(name, wxT("wxDialog")), parent, dlg) != NULL;
283 }
284 
285 
286 
LoadPanel(wxWindow * parent,const wxString & name)287 wxPanel *wxXmlResource::LoadPanel(wxWindow *parent, const wxString& name)
288 {
289     return (wxPanel*)CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, NULL);
290 }
291 
LoadPanel(wxPanel * panel,wxWindow * parent,const wxString & name)292 bool wxXmlResource::LoadPanel(wxPanel *panel, wxWindow *parent, const wxString& name)
293 {
294     return CreateResFromNode(FindResource(name, wxT("wxPanel")), parent, panel) != NULL;
295 }
296 
LoadFrame(wxWindow * parent,const wxString & name)297 wxFrame *wxXmlResource::LoadFrame(wxWindow* parent, const wxString& name)
298 {
299     return (wxFrame*)CreateResFromNode(FindResource(name, wxT("wxFrame")), parent, NULL);
300 }
301 
LoadFrame(wxFrame * frame,wxWindow * parent,const wxString & name)302 bool wxXmlResource::LoadFrame(wxFrame* frame, wxWindow *parent, const wxString& name)
303 {
304     return CreateResFromNode(FindResource(name, wxT("wxFrame")), parent, frame) != NULL;
305 }
306 
LoadBitmap(const wxString & name)307 wxBitmap wxXmlResource::LoadBitmap(const wxString& name)
308 {
309     wxBitmap *bmp = (wxBitmap*)CreateResFromNode(
310                                FindResource(name, wxT("wxBitmap")), NULL, NULL);
311     wxBitmap rt;
312 
313     if (bmp) { rt = *bmp; delete bmp; }
314     return rt;
315 }
316 
LoadIcon(const wxString & name)317 wxIcon wxXmlResource::LoadIcon(const wxString& name)
318 {
319     wxIcon *icon = (wxIcon*)CreateResFromNode(
320                             FindResource(name, wxT("wxIcon")), NULL, NULL);
321     wxIcon rt;
322 
323     if (icon) { rt = *icon; delete icon; }
324     return rt;
325 }
326 
327 
LoadObject(wxWindow * parent,const wxString & name,const wxString & classname)328 wxObject *wxXmlResource::LoadObject(wxWindow *parent, const wxString& name, const wxString& classname)
329 {
330     return CreateResFromNode(FindResource(name, classname), parent, NULL);
331 }
332 
LoadObject(wxObject * instance,wxWindow * parent,const wxString & name,const wxString & classname)333 bool wxXmlResource::LoadObject(wxObject *instance, wxWindow *parent, const wxString& name, const wxString& classname)
334 {
335     return CreateResFromNode(FindResource(name, classname), parent, instance) != NULL;
336 }
337 
338 
AttachUnknownControl(const wxString & name,wxWindow * control,wxWindow * parent)339 bool wxXmlResource::AttachUnknownControl(const wxString& name,
340                                          wxWindow *control, wxWindow *parent)
341 {
342     if (parent == NULL)
343         parent = control->GetParent();
344     wxWindow *container = parent->FindWindow(name + wxT("_container"));
345     if (!container)
346     {
347         wxLogError(_("Cannot find container for unknown control '%s'."), name.c_str());
348         return false;
349     }
350     return control->Reparent(container);
351 }
352 
353 
ProcessPlatformProperty(wxXmlNode * node)354 static void ProcessPlatformProperty(wxXmlNode *node)
355 {
356     wxString s;
357     bool isok;
358 
359     wxXmlNode *c = node->GetChildren();
360     while (c)
361     {
362         isok = false;
363         if (!c->GetPropVal(wxT("platform"), &s))
364             isok = true;
365         else
366         {
367             wxStringTokenizer tkn(s, wxT(" |"));
368 
369             while (tkn.HasMoreTokens())
370             {
371                 s = tkn.GetNextToken();
372 #ifdef __WINDOWS__
373                 if (s == wxT("win")) isok = true;
374 #endif
375 #if defined(__MAC__) || defined(__APPLE__)
376                 if (s == wxT("mac")) isok = true;
377 #elif defined(__UNIX__)
378                 if (s == wxT("unix")) isok = true;
379 #endif
380 #ifdef __OS2__
381                 if (s == wxT("os2")) isok = true;
382 #endif
383 
384                 if (isok)
385                     break;
386             }
387         }
388 
389         if (isok)
390         {
391             ProcessPlatformProperty(c);
392             c = c->GetNext();
393         }
394         else
395         {
396             wxXmlNode *c2 = c->GetNext();
397             node->RemoveChild(c);
398             delete c;
399             c = c2;
400         }
401     }
402 }
403 
404 
405 
UpdateResources()406 bool wxXmlResource::UpdateResources()
407 {
408     bool rt = true;
409     bool modif;
410 #   if wxUSE_FILESYSTEM
411     wxFSFile *file = NULL;
412     wxUnusedVar(file);
413     wxFileSystem fsys;
414 #   endif
415 
416     wxString encoding(wxT("UTF-8"));
417 #if !wxUSE_UNICODE && wxUSE_INTL
418     if ( (GetFlags() & wxXRC_USE_LOCALE) == 0 )
419     {
420         // In case we are not using wxLocale to translate strings, convert the
421         // strings GUI's charset. This must not be done when wxXRC_USE_LOCALE
422         // is on, because it could break wxGetTranslation lookup.
423         encoding = wxLocale::GetSystemEncodingName();
424     }
425 #endif
426 
427     for (size_t i = 0; i < m_data.GetCount(); i++)
428     {
429         modif = (m_data[i].Doc == NULL);
430 
431         if (!modif && !(m_flags & wxXRC_NO_RELOADING))
432         {
433 #           if wxUSE_FILESYSTEM
434             file = fsys.OpenFile(m_data[i].File);
435 #           if wxUSE_DATETIME
436             modif = file && file->GetModificationTime() > m_data[i].Time;
437 #           else // wxUSE_DATETIME
438             modif = true;
439 #           endif // wxUSE_DATETIME
440             if (!file)
441             {
442                 wxLogError(_("Cannot open file '%s'."), m_data[i].File.c_str());
443                 rt = false;
444             }
445             wxDELETE(file);
446             wxUnusedVar(file);
447 #           else // wxUSE_FILESYSTEM
448 #           if wxUSE_DATETIME
449             modif = wxDateTime(wxFileModificationTime(m_data[i].File)) > m_data[i].Time;
450 #           else // wxUSE_DATETIME
451             modif = true;
452 #           endif // wxUSE_DATETIME
453 #           endif // wxUSE_FILESYSTEM
454         }
455 
456         if (modif)
457         {
458             wxLogTrace(_T("xrc"),
459                        _T("opening file '%s'"), m_data[i].File.c_str());
460 
461             wxInputStream *stream = NULL;
462 
463 #           if wxUSE_FILESYSTEM
464             file = fsys.OpenFile(m_data[i].File);
465             if (file)
466                 stream = file->GetStream();
467 #           else
468             stream = new wxFileInputStream(m_data[i].File);
469 #           endif
470 
471             if (stream)
472             {
473                 delete m_data[i].Doc;
474                 m_data[i].Doc = new wxXmlDocument;
475             }
476             if (!stream || !m_data[i].Doc->Load(*stream, encoding))
477             {
478                 wxLogError(_("Cannot load resources from file '%s'."),
479                            m_data[i].File.c_str());
480                 wxDELETE(m_data[i].Doc);
481                 rt = false;
482             }
483             else if (m_data[i].Doc->GetRoot()->GetName() != wxT("resource"))
484             {
485                 wxLogError(_("Invalid XRC resource '%s': doesn't have root node 'resource'."), m_data[i].File.c_str());
486                 wxDELETE(m_data[i].Doc);
487                 rt = false;
488             }
489             else
490             {
491                 long version;
492                 int v1, v2, v3, v4;
493                 wxString verstr = m_data[i].Doc->GetRoot()->GetPropVal(
494                                       wxT("version"), wxT("0.0.0.0"));
495                 if (wxSscanf(verstr.c_str(), wxT("%i.%i.%i.%i"),
496                     &v1, &v2, &v3, &v4) == 4)
497                     version = v1*256*256*256+v2*256*256+v3*256+v4;
498                 else
499                     version = 0;
500                 if (m_version == -1)
501                     m_version = version;
502                 if (m_version != version)
503                 {
504                     wxLogError(_("Resource files must have same version number!"));
505                     rt = false;
506                 }
507 
508                 ProcessPlatformProperty(m_data[i].Doc->GetRoot());
509 #if wxUSE_DATETIME
510 #if wxUSE_FILESYSTEM
511                 m_data[i].Time = file->GetModificationTime();
512 #else // wxUSE_FILESYSTEM
513                 m_data[i].Time = wxDateTime(wxFileModificationTime(m_data[i].File));
514 #endif // wxUSE_FILESYSTEM
515 #endif // wxUSE_DATETIME
516             }
517 
518 #           if wxUSE_FILESYSTEM
519                 wxDELETE(file);
520                 wxUnusedVar(file);
521 #           else
522                 wxDELETE(stream);
523 #           endif
524         }
525     }
526 
527     return rt;
528 }
529 
530 
DoFindResource(wxXmlNode * parent,const wxString & name,const wxString & classname,bool recursive)531 wxXmlNode *wxXmlResource::DoFindResource(wxXmlNode *parent,
532                                          const wxString& name,
533                                          const wxString& classname,
534                                          bool recursive)
535 {
536     wxString dummy;
537     wxXmlNode *node;
538 
539     // first search for match at the top-level nodes (as this is
540     // where the resource is most commonly looked for):
541     for (node = parent->GetChildren(); node; node = node->GetNext())
542     {
543         if ( node->GetType() == wxXML_ELEMENT_NODE &&
544                  (node->GetName() == wxT("object") ||
545                   node->GetName() == wxT("object_ref")) &&
546              node->GetPropVal(wxT("name"), &dummy) && dummy == name )
547         {
548             wxString cls(node->GetPropVal(wxT("class"), wxEmptyString));
549             if (!classname || cls == classname)
550                 return node;
551             // object_ref may not have 'class' property:
552             if (cls.empty() && node->GetName() == wxT("object_ref"))
553             {
554                 wxString refName = node->GetPropVal(wxT("ref"), wxEmptyString);
555                 if (refName.empty())
556                     continue;
557                 wxXmlNode* refNode = FindResource(refName, wxEmptyString, true);
558                 if (refNode &&
559                     refNode->GetPropVal(wxT("class"), wxEmptyString) == classname)
560                 {
561                     return node;
562                 }
563             }
564         }
565     }
566 
567     if ( recursive )
568         for (node = parent->GetChildren(); node; node = node->GetNext())
569         {
570             if ( node->GetType() == wxXML_ELEMENT_NODE &&
571                  (node->GetName() == wxT("object") ||
572                   node->GetName() == wxT("object_ref")) )
573             {
574                 wxXmlNode* found = DoFindResource(node, name, classname, true);
575                 if ( found )
576                     return found;
577             }
578         }
579 
580    return NULL;
581 }
582 
FindResource(const wxString & name,const wxString & classname,bool recursive)583 wxXmlNode *wxXmlResource::FindResource(const wxString& name,
584                                        const wxString& classname,
585                                        bool recursive)
586 {
587     UpdateResources(); //ensure everything is up-to-date
588 
589     wxString dummy;
590     for (size_t f = 0; f < m_data.GetCount(); f++)
591     {
592         if ( m_data[f].Doc == NULL || m_data[f].Doc->GetRoot() == NULL )
593             continue;
594 
595         wxXmlNode* found = DoFindResource(m_data[f].Doc->GetRoot(),
596                                           name, classname, recursive);
597         if ( found )
598         {
599 #if wxUSE_FILESYSTEM
600             m_curFileSystem.ChangePathTo(m_data[f].File);
601 #endif
602             return found;
603         }
604     }
605 
606     wxLogError(_("XRC resource '%s' (class '%s') not found!"),
607                name.c_str(), classname.c_str());
608     return NULL;
609 }
610 
MergeNodes(wxXmlNode & dest,wxXmlNode & with)611 static void MergeNodes(wxXmlNode& dest, wxXmlNode& with)
612 {
613     // Merge properties:
614     for (wxXmlProperty *prop = with.GetProperties(); prop; prop = prop->GetNext())
615     {
616         wxXmlProperty *dprop;
617         for (dprop = dest.GetProperties(); dprop; dprop = dprop->GetNext())
618         {
619 
620             if ( dprop->GetName() == prop->GetName() )
621             {
622                 dprop->SetValue(prop->GetValue());
623                 break;
624             }
625         }
626 
627         if ( !dprop )
628             dest.AddProperty(prop->GetName(), prop->GetValue());
629    }
630 
631     // Merge child nodes:
632     for (wxXmlNode* node = with.GetChildren(); node; node = node->GetNext())
633     {
634         wxString name = node->GetPropVal(wxT("name"), wxEmptyString);
635         wxXmlNode *dnode;
636 
637         for (dnode = dest.GetChildren(); dnode; dnode = dnode->GetNext() )
638         {
639             if ( dnode->GetName() == node->GetName() &&
640                  dnode->GetPropVal(wxT("name"), wxEmptyString) == name &&
641                  dnode->GetType() == node->GetType() )
642             {
643                 MergeNodes(*dnode, *node);
644                 break;
645             }
646         }
647 
648         if ( !dnode )
649         {
650             static const wxChar *AT_END = wxT("end");
651             wxString insert_pos = node->GetPropVal(wxT("insert_at"), AT_END);
652             if ( insert_pos == AT_END )
653             {
654                 dest.AddChild(new wxXmlNode(*node));
655             }
656             else if ( insert_pos == wxT("begin") )
657             {
658                 dest.InsertChild(new wxXmlNode(*node), dest.GetChildren());
659             }
660         }
661     }
662 
663     if ( dest.GetType() == wxXML_TEXT_NODE && with.GetContent().length() )
664          dest.SetContent(with.GetContent());
665 }
666 
CreateResFromNode(wxXmlNode * node,wxObject * parent,wxObject * instance,wxXmlResourceHandler * handlerToUse)667 wxObject *wxXmlResource::CreateResFromNode(wxXmlNode *node, wxObject *parent,
668                                            wxObject *instance,
669                                            wxXmlResourceHandler *handlerToUse)
670 {
671     if (node == NULL) return NULL;
672 
673     // handling of referenced resource
674     if ( node->GetName() == wxT("object_ref") )
675     {
676         wxString refName = node->GetPropVal(wxT("ref"), wxEmptyString);
677         wxXmlNode* refNode = FindResource(refName, wxEmptyString, true);
678 
679         if ( !refNode )
680         {
681             wxLogError(_("Referenced object node with ref=\"%s\" not found!"),
682                        refName.c_str());
683             return NULL;
684         }
685 
686         wxXmlNode copy(*refNode);
687         MergeNodes(copy, *node);
688 
689         return CreateResFromNode(&copy, parent, instance);
690     }
691 
692     wxXmlResourceHandler *handler;
693 
694     if (handlerToUse)
695     {
696         if (handlerToUse->CanHandle(node))
697         {
698             return handlerToUse->CreateResource(node, parent, instance);
699         }
700     }
701     else if (node->GetName() == wxT("object"))
702     {
703         wxList::compatibility_iterator ND = m_handlers.GetFirst();
704         while (ND)
705         {
706             handler = (wxXmlResourceHandler*)ND->GetData();
707             if (handler->CanHandle(node))
708             {
709                 return handler->CreateResource(node, parent, instance);
710             }
711             ND = ND->GetNext();
712         }
713     }
714 
715     wxLogError(_("No handler found for XML node '%s', class '%s'!"),
716                node->GetName().c_str(),
717                node->GetPropVal(wxT("class"), wxEmptyString).c_str());
718     return NULL;
719 }
720 
721 
722 #include "wx/listimpl.cpp"
723 WX_DECLARE_LIST(wxXmlSubclassFactory, wxXmlSubclassFactoriesList);
724 WX_DEFINE_LIST(wxXmlSubclassFactoriesList)
725 
726 wxXmlSubclassFactoriesList *wxXmlResource::ms_subclassFactories = NULL;
727 
AddSubclassFactory(wxXmlSubclassFactory * factory)728 /*static*/ void wxXmlResource::AddSubclassFactory(wxXmlSubclassFactory *factory)
729 {
730     if (!ms_subclassFactories)
731     {
732         ms_subclassFactories = new wxXmlSubclassFactoriesList;
733     }
734     ms_subclassFactories->Append(factory);
735 }
736 
737 class wxXmlSubclassFactoryCXX : public wxXmlSubclassFactory
738 {
739 public:
~wxXmlSubclassFactoryCXX()740     ~wxXmlSubclassFactoryCXX() {}
741 
Create(const wxString & className)742     wxObject *Create(const wxString& className)
743     {
744         wxClassInfo* classInfo = wxClassInfo::FindClass(className);
745 
746         if (classInfo)
747             return classInfo->CreateObject();
748         else
749             return NULL;
750     }
751 };
752 
753 
754 
755 
wxXmlResourceHandler()756 wxXmlResourceHandler::wxXmlResourceHandler()
757         : m_node(NULL), m_parent(NULL), m_instance(NULL),
758           m_parentAsWindow(NULL)
759 {}
760 
761 
762 
CreateResource(wxXmlNode * node,wxObject * parent,wxObject * instance)763 wxObject *wxXmlResourceHandler::CreateResource(wxXmlNode *node, wxObject *parent, wxObject *instance)
764 {
765     wxXmlNode *myNode = m_node;
766     wxString myClass = m_class;
767     wxObject *myParent = m_parent, *myInstance = m_instance;
768     wxWindow *myParentAW = m_parentAsWindow;
769 
770     m_instance = instance;
771     if (!m_instance && node->HasProp(wxT("subclass")) &&
772         !(m_resource->GetFlags() & wxXRC_NO_SUBCLASSING))
773     {
774         wxString subclass = node->GetPropVal(wxT("subclass"), wxEmptyString);
775         if (!subclass.empty())
776         {
777             for (wxXmlSubclassFactoriesList::compatibility_iterator i = wxXmlResource::ms_subclassFactories->GetFirst();
778                  i; i = i->GetNext())
779             {
780                 m_instance = i->GetData()->Create(subclass);
781                 if (m_instance)
782                     break;
783             }
784 
785             if (!m_instance)
786             {
787                 wxString name = node->GetPropVal(wxT("name"), wxEmptyString);
788                 wxLogError(_("Subclass '%s' not found for resource '%s', not subclassing!"),
789                            subclass.c_str(), name.c_str());
790             }
791         }
792     }
793 
794     m_node = node;
795     m_class = node->GetPropVal(wxT("class"), wxEmptyString);
796     m_parent = parent;
797     m_parentAsWindow = wxDynamicCast(m_parent, wxWindow);
798 
799     wxObject *returned = DoCreateResource();
800 
801     m_node = myNode;
802     m_class = myClass;
803     m_parent = myParent; m_parentAsWindow = myParentAW;
804     m_instance = myInstance;
805 
806     return returned;
807 }
808 
809 
AddStyle(const wxString & name,int value)810 void wxXmlResourceHandler::AddStyle(const wxString& name, int value)
811 {
812     m_styleNames.Add(name);
813     m_styleValues.Add(value);
814 }
815 
816 
817 
AddWindowStyles()818 void wxXmlResourceHandler::AddWindowStyles()
819 {
820     XRC_ADD_STYLE(wxCLIP_CHILDREN);
821 
822     // the border styles all have the old and new names, recognize both for now
823     XRC_ADD_STYLE(wxSIMPLE_BORDER); XRC_ADD_STYLE(wxBORDER_SIMPLE);
824     XRC_ADD_STYLE(wxSUNKEN_BORDER); XRC_ADD_STYLE(wxBORDER_SUNKEN);
825     XRC_ADD_STYLE(wxDOUBLE_BORDER); XRC_ADD_STYLE(wxBORDER_DOUBLE); // deprecated
826     XRC_ADD_STYLE(wxBORDER_THEME);
827     XRC_ADD_STYLE(wxRAISED_BORDER); XRC_ADD_STYLE(wxBORDER_RAISED);
828     XRC_ADD_STYLE(wxSTATIC_BORDER); XRC_ADD_STYLE(wxBORDER_STATIC);
829     XRC_ADD_STYLE(wxNO_BORDER);     XRC_ADD_STYLE(wxBORDER_NONE);
830 
831     XRC_ADD_STYLE(wxTRANSPARENT_WINDOW);
832     XRC_ADD_STYLE(wxWANTS_CHARS);
833     XRC_ADD_STYLE(wxTAB_TRAVERSAL);
834     XRC_ADD_STYLE(wxNO_FULL_REPAINT_ON_RESIZE);
835     XRC_ADD_STYLE(wxFULL_REPAINT_ON_RESIZE);
836     XRC_ADD_STYLE(wxALWAYS_SHOW_SB);
837     XRC_ADD_STYLE(wxWS_EX_BLOCK_EVENTS);
838     XRC_ADD_STYLE(wxWS_EX_VALIDATE_RECURSIVELY);
839 }
840 
841 
842 
HasParam(const wxString & param)843 bool wxXmlResourceHandler::HasParam(const wxString& param)
844 {
845     return (GetParamNode(param) != NULL);
846 }
847 
848 
GetStyle(const wxString & param,int defaults)849 int wxXmlResourceHandler::GetStyle(const wxString& param, int defaults)
850 {
851     wxString s = GetParamValue(param);
852 
853     if (!s) return defaults;
854 
855     wxStringTokenizer tkn(s, wxT("| \t\n"), wxTOKEN_STRTOK);
856     int style = 0;
857     int index;
858     wxString fl;
859     while (tkn.HasMoreTokens())
860     {
861         fl = tkn.GetNextToken();
862         index = m_styleNames.Index(fl);
863         if (index != wxNOT_FOUND)
864             style |= m_styleValues[index];
865         else
866             wxLogError(_("Unknown style flag ") + fl);
867     }
868     return style;
869 }
870 
871 
872 
GetText(const wxString & param,bool translate)873 wxString wxXmlResourceHandler::GetText(const wxString& param, bool translate)
874 {
875     wxXmlNode *parNode = GetParamNode(param);
876     wxString str1(GetNodeContent(parNode));
877     wxString str2;
878     const wxChar *dt;
879     wxChar amp_char;
880 
881     // VS: First version of XRC resources used $ instead of & (which is
882     //     illegal in XML), but later I realized that '_' fits this purpose
883     //     much better (because &File means "File with F underlined").
884     if (m_resource->CompareVersion(2,3,0,1) < 0)
885         amp_char = wxT('$');
886     else
887         amp_char = wxT('_');
888 
889     for (dt = str1.c_str(); *dt; dt++)
890     {
891         // Remap amp_char to &, map double amp_char to amp_char (for things
892         // like "&File..." -- this is illegal in XML, so we use "_File..."):
893         if (*dt == amp_char)
894         {
895             if ( *(++dt) == amp_char )
896                 str2 << amp_char;
897             else
898                 str2 << wxT('&') << *dt;
899         }
900         // Remap \n to CR, \r to LF, \t to TAB, \\ to \:
901         else if (*dt == wxT('\\'))
902             switch (*(++dt))
903             {
904                 case wxT('n'):
905                     str2 << wxT('\n');
906                     break;
907 
908                 case wxT('t'):
909                     str2 << wxT('\t');
910                     break;
911 
912                 case wxT('r'):
913                     str2 << wxT('\r');
914                     break;
915 
916                 case wxT('\\') :
917                     // "\\" wasn't translated to "\" prior to 2.5.3.0:
918                     if (m_resource->CompareVersion(2,5,3,0) >= 0)
919                     {
920                         str2 << wxT('\\');
921                         break;
922                     }
923                     // else fall-through to default: branch below
924 
925                 default:
926                     str2 << wxT('\\') << *dt;
927                     break;
928             }
929         else str2 << *dt;
930     }
931 
932     if (m_resource->GetFlags() & wxXRC_USE_LOCALE)
933     {
934         if (translate && parNode &&
935             parNode->GetPropVal(wxT("translate"), wxEmptyString) != wxT("0"))
936         {
937             return wxGetTranslation(str2, m_resource->GetDomain());
938         }
939         else
940         {
941 #if wxUSE_UNICODE
942             return str2;
943 #else
944             // The string is internally stored as UTF-8, we have to convert
945             // it into system's default encoding so that it can be displayed:
946             return wxString(str2.wc_str(wxConvUTF8), wxConvLocal);
947 #endif
948         }
949     }
950 
951     // If wxXRC_USE_LOCALE is not set, then the string is already in
952     // system's default encoding in ANSI build, so we don't have to
953     // do anything special here.
954     return str2;
955 }
956 
957 
958 
GetLong(const wxString & param,long defaultv)959 long wxXmlResourceHandler::GetLong(const wxString& param, long defaultv)
960 {
961     long value;
962     wxString str1 = GetParamValue(param);
963 
964     if (!str1.ToLong(&value))
965         value = defaultv;
966 
967     return value;
968 }
969 
GetFloat(const wxString & param,float defaultv)970 float wxXmlResourceHandler::GetFloat(const wxString& param, float defaultv)
971 {
972     wxString str = GetParamValue(param);
973 
974 #if wxUSE_INTL
975     // strings in XRC always use C locale but wxString::ToDouble() uses the
976     // current one, so transform the string to it supposing that the only
977     // difference between them is the decimal separator
978     str.Replace(wxT("."), wxLocale::GetInfo(wxLOCALE_DECIMAL_POINT,
979                                             wxLOCALE_CAT_NUMBER));
980 #endif // wxUSE_INTL
981 
982     double value;
983     if (!str.ToDouble(&value))
984         value = defaultv;
985 
986     return wx_truncate_cast(float, value);
987 }
988 
989 
GetID()990 int wxXmlResourceHandler::GetID()
991 {
992     return wxXmlResource::GetXRCID(GetName());
993 }
994 
995 
996 
GetName()997 wxString wxXmlResourceHandler::GetName()
998 {
999     return m_node->GetPropVal(wxT("name"), wxT("-1"));
1000 }
1001 
1002 
1003 
GetBool(const wxString & param,bool defaultv)1004 bool wxXmlResourceHandler::GetBool(const wxString& param, bool defaultv)
1005 {
1006     wxString v = GetParamValue(param);
1007     v.MakeLower();
1008     if (!v) return defaultv;
1009 
1010     return (v == wxT("1"));
1011 }
1012 
1013 
GetSystemColour(const wxString & name)1014 static wxColour GetSystemColour(const wxString& name)
1015 {
1016     if (!name.empty())
1017     {
1018         #define SYSCLR(clr) \
1019             if (name == _T(#clr)) return wxSystemSettings::GetColour(clr);
1020         SYSCLR(wxSYS_COLOUR_SCROLLBAR)
1021         SYSCLR(wxSYS_COLOUR_BACKGROUND)
1022         SYSCLR(wxSYS_COLOUR_DESKTOP)
1023         SYSCLR(wxSYS_COLOUR_ACTIVECAPTION)
1024         SYSCLR(wxSYS_COLOUR_INACTIVECAPTION)
1025         SYSCLR(wxSYS_COLOUR_MENU)
1026         SYSCLR(wxSYS_COLOUR_WINDOW)
1027         SYSCLR(wxSYS_COLOUR_WINDOWFRAME)
1028         SYSCLR(wxSYS_COLOUR_MENUTEXT)
1029         SYSCLR(wxSYS_COLOUR_WINDOWTEXT)
1030         SYSCLR(wxSYS_COLOUR_CAPTIONTEXT)
1031         SYSCLR(wxSYS_COLOUR_ACTIVEBORDER)
1032         SYSCLR(wxSYS_COLOUR_INACTIVEBORDER)
1033         SYSCLR(wxSYS_COLOUR_APPWORKSPACE)
1034         SYSCLR(wxSYS_COLOUR_HIGHLIGHT)
1035         SYSCLR(wxSYS_COLOUR_HIGHLIGHTTEXT)
1036         SYSCLR(wxSYS_COLOUR_BTNFACE)
1037         SYSCLR(wxSYS_COLOUR_3DFACE)
1038         SYSCLR(wxSYS_COLOUR_BTNSHADOW)
1039         SYSCLR(wxSYS_COLOUR_3DSHADOW)
1040         SYSCLR(wxSYS_COLOUR_GRAYTEXT)
1041         SYSCLR(wxSYS_COLOUR_BTNTEXT)
1042         SYSCLR(wxSYS_COLOUR_INACTIVECAPTIONTEXT)
1043         SYSCLR(wxSYS_COLOUR_BTNHIGHLIGHT)
1044         SYSCLR(wxSYS_COLOUR_BTNHILIGHT)
1045         SYSCLR(wxSYS_COLOUR_3DHIGHLIGHT)
1046         SYSCLR(wxSYS_COLOUR_3DHILIGHT)
1047         SYSCLR(wxSYS_COLOUR_3DDKSHADOW)
1048         SYSCLR(wxSYS_COLOUR_3DLIGHT)
1049         SYSCLR(wxSYS_COLOUR_INFOTEXT)
1050         SYSCLR(wxSYS_COLOUR_INFOBK)
1051         SYSCLR(wxSYS_COLOUR_LISTBOX)
1052         SYSCLR(wxSYS_COLOUR_HOTLIGHT)
1053         SYSCLR(wxSYS_COLOUR_GRADIENTACTIVECAPTION)
1054         SYSCLR(wxSYS_COLOUR_GRADIENTINACTIVECAPTION)
1055         SYSCLR(wxSYS_COLOUR_MENUHILIGHT)
1056         SYSCLR(wxSYS_COLOUR_MENUBAR)
1057         #undef SYSCLR
1058     }
1059 
1060     return wxNullColour;
1061 }
1062 
GetColour(const wxString & param,const wxColour & defaultv)1063 wxColour wxXmlResourceHandler::GetColour(const wxString& param, const wxColour& defaultv)
1064 {
1065     wxString v = GetParamValue(param);
1066 
1067     if ( v.empty() )
1068         return defaultv;
1069 
1070     wxColour clr;
1071 
1072     // wxString -> wxColour conversion
1073     if (!clr.Set(v))
1074     {
1075         // the colour doesn't use #RRGGBB format, check if it is symbolic
1076         // colour name:
1077         clr = GetSystemColour(v);
1078         if (clr.Ok())
1079             return clr;
1080 
1081         wxLogError(_("XRC resource: Incorrect colour specification '%s' for property '%s'."),
1082                    v.c_str(), param.c_str());
1083         return wxNullColour;
1084     }
1085 
1086     return clr;
1087 }
1088 
1089 
1090 
GetBitmap(const wxString & param,const wxArtClient & defaultArtClient,wxSize size)1091 wxBitmap wxXmlResourceHandler::GetBitmap(const wxString& param,
1092                                          const wxArtClient& defaultArtClient,
1093                                          wxSize size)
1094 {
1095     /* If the bitmap is specified as stock item, query wxArtProvider for it: */
1096     wxXmlNode *bmpNode = GetParamNode(param);
1097     if ( bmpNode )
1098     {
1099         wxString sid = bmpNode->GetPropVal(wxT("stock_id"), wxEmptyString);
1100         if ( !sid.empty() )
1101         {
1102             wxString scl = bmpNode->GetPropVal(wxT("stock_client"), wxEmptyString);
1103             if (scl.empty())
1104                 scl = defaultArtClient;
1105             else
1106                 scl = wxART_MAKE_CLIENT_ID_FROM_STR(scl);
1107 
1108             wxBitmap stockArt =
1109                 wxArtProvider::GetBitmap(wxART_MAKE_ART_ID_FROM_STR(sid),
1110                                          scl, size);
1111             if ( stockArt.Ok() )
1112                 return stockArt;
1113         }
1114     }
1115 
1116     /* ...or load the bitmap from file: */
1117     wxString name = GetParamValue(param);
1118     if (name.empty()) return wxNullBitmap;
1119 #if wxUSE_FILESYSTEM
1120     wxFSFile *fsfile = GetCurFileSystem().OpenFile(name, wxFS_READ | wxFS_SEEKABLE);
1121     if (fsfile == NULL)
1122     {
1123         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."),
1124                    name.c_str());
1125         return wxNullBitmap;
1126     }
1127     wxImage img(*(fsfile->GetStream()));
1128     delete fsfile;
1129 #else
1130     wxImage img(name);
1131 #endif
1132 
1133     if (!img.Ok())
1134     {
1135         wxLogError(_("XRC resource: Cannot create bitmap from '%s'."),
1136                    name.c_str());
1137         return wxNullBitmap;
1138     }
1139     if (!(size == wxDefaultSize)) img.Rescale(size.x, size.y);
1140     return wxBitmap(img);
1141 }
1142 
1143 #if wxUSE_ANIMATIONCTRL
GetAnimation(const wxString & param)1144 wxAnimation wxXmlResourceHandler::GetAnimation(const wxString& param)
1145 {
1146     wxAnimation ani;
1147 
1148     /* load the animation from file: */
1149     wxString name = GetParamValue(param);
1150     if (name.empty()) return wxNullAnimation;
1151 #if wxUSE_FILESYSTEM
1152     wxFSFile *fsfile = GetCurFileSystem().OpenFile(name, wxFS_READ | wxFS_SEEKABLE);
1153     if (fsfile == NULL)
1154     {
1155         wxLogError(_("XRC resource: Cannot create animation from '%s'."),
1156                    name.c_str());
1157         return wxNullAnimation;
1158     }
1159     ani.Load(*(fsfile->GetStream()));
1160     delete fsfile;
1161 #else
1162     ani.LoadFile(name);
1163 #endif
1164 
1165     if (!ani.IsOk())
1166     {
1167         wxLogError(_("XRC resource: Cannot create animation from '%s'."),
1168                    name.c_str());
1169         return wxNullAnimation;
1170     }
1171 
1172     return ani;
1173 }
1174 #endif      // wxUSE_ANIMATIONCTRL
1175 
1176 
1177 
GetIcon(const wxString & param,const wxArtClient & defaultArtClient,wxSize size)1178 wxIcon wxXmlResourceHandler::GetIcon(const wxString& param,
1179                                      const wxArtClient& defaultArtClient,
1180                                      wxSize size)
1181 {
1182     wxIcon icon;
1183     icon.CopyFromBitmap(GetBitmap(param, defaultArtClient, size));
1184     return icon;
1185 }
1186 
1187 
1188 
GetParamNode(const wxString & param)1189 wxXmlNode *wxXmlResourceHandler::GetParamNode(const wxString& param)
1190 {
1191     wxCHECK_MSG(m_node, NULL, wxT("You can't access handler data before it was initialized!"));
1192 
1193     wxXmlNode *n = m_node->GetChildren();
1194 
1195     while (n)
1196     {
1197         if (n->GetType() == wxXML_ELEMENT_NODE && n->GetName() == param)
1198             return n;
1199         n = n->GetNext();
1200     }
1201     return NULL;
1202 }
1203 
1204 
1205 
IsOfClass(wxXmlNode * node,const wxString & classname)1206 bool wxXmlResourceHandler::IsOfClass(wxXmlNode *node, const wxString& classname)
1207 {
1208     return node->GetPropVal(wxT("class"), wxEmptyString) == classname;
1209 }
1210 
1211 
1212 
GetNodeContent(wxXmlNode * node)1213 wxString wxXmlResourceHandler::GetNodeContent(wxXmlNode *node)
1214 {
1215     wxXmlNode *n = node;
1216     if (n == NULL) return wxEmptyString;
1217     n = n->GetChildren();
1218 
1219     while (n)
1220     {
1221         if (n->GetType() == wxXML_TEXT_NODE ||
1222             n->GetType() == wxXML_CDATA_SECTION_NODE)
1223             return n->GetContent();
1224         n = n->GetNext();
1225     }
1226     return wxEmptyString;
1227 }
1228 
1229 
1230 
GetParamValue(const wxString & param)1231 wxString wxXmlResourceHandler::GetParamValue(const wxString& param)
1232 {
1233     if (param.empty())
1234         return GetNodeContent(m_node);
1235     else
1236         return GetNodeContent(GetParamNode(param));
1237 }
1238 
1239 
1240 
GetSize(const wxString & param,wxWindow * windowToUse)1241 wxSize wxXmlResourceHandler::GetSize(const wxString& param,
1242                                      wxWindow *windowToUse)
1243 {
1244     wxString s = GetParamValue(param);
1245     if (s.empty()) s = wxT("-1,-1");
1246     bool is_dlg;
1247     long sx, sy = 0;
1248 
1249     is_dlg = s[s.length()-1] == wxT('d');
1250     if (is_dlg) s.RemoveLast();
1251 
1252     if (!s.BeforeFirst(wxT(',')).ToLong(&sx) ||
1253         !s.AfterLast(wxT(',')).ToLong(&sy))
1254     {
1255         wxLogError(_("Cannot parse coordinates from '%s'."), s.c_str());
1256         return wxDefaultSize;
1257     }
1258 
1259     if (is_dlg)
1260     {
1261         if (windowToUse)
1262         {
1263             return wxDLG_UNIT(windowToUse, wxSize(sx, sy));
1264         }
1265         else if (m_parentAsWindow)
1266         {
1267             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, sy));
1268         }
1269         else
1270         {
1271             wxLogError(_("Cannot convert dialog units: dialog unknown."));
1272             return wxDefaultSize;
1273         }
1274     }
1275 
1276     return wxSize(sx, sy);
1277 }
1278 
1279 
1280 
GetPosition(const wxString & param)1281 wxPoint wxXmlResourceHandler::GetPosition(const wxString& param)
1282 {
1283     wxSize sz = GetSize(param);
1284     return wxPoint(sz.x, sz.y);
1285 }
1286 
1287 
1288 
GetDimension(const wxString & param,wxCoord defaultv,wxWindow * windowToUse)1289 wxCoord wxXmlResourceHandler::GetDimension(const wxString& param,
1290                                            wxCoord defaultv,
1291                                            wxWindow *windowToUse)
1292 {
1293     wxString s = GetParamValue(param);
1294     if (s.empty()) return defaultv;
1295     bool is_dlg;
1296     long sx;
1297 
1298     is_dlg = s[s.length()-1] == wxT('d');
1299     if (is_dlg) s.RemoveLast();
1300 
1301     if (!s.ToLong(&sx))
1302     {
1303         wxLogError(_("Cannot parse dimension from '%s'."), s.c_str());
1304         return defaultv;
1305     }
1306 
1307     if (is_dlg)
1308     {
1309         if (windowToUse)
1310         {
1311             return wxDLG_UNIT(windowToUse, wxSize(sx, 0)).x;
1312         }
1313         else if (m_parentAsWindow)
1314         {
1315             return wxDLG_UNIT(m_parentAsWindow, wxSize(sx, 0)).x;
1316         }
1317         else
1318         {
1319             wxLogError(_("Cannot convert dialog units: dialog unknown."));
1320             return defaultv;
1321         }
1322     }
1323 
1324     return sx;
1325 }
1326 
1327 
1328 // Get system font index using indexname
GetSystemFont(const wxString & name)1329 static wxFont GetSystemFont(const wxString& name)
1330 {
1331     if (!name.empty())
1332     {
1333         #define SYSFNT(fnt) \
1334             if (name == _T(#fnt)) return wxSystemSettings::GetFont(fnt);
1335         SYSFNT(wxSYS_OEM_FIXED_FONT)
1336         SYSFNT(wxSYS_ANSI_FIXED_FONT)
1337         SYSFNT(wxSYS_ANSI_VAR_FONT)
1338         SYSFNT(wxSYS_SYSTEM_FONT)
1339         SYSFNT(wxSYS_DEVICE_DEFAULT_FONT)
1340         SYSFNT(wxSYS_DEFAULT_PALETTE)
1341         SYSFNT(wxSYS_SYSTEM_FIXED_FONT)
1342         SYSFNT(wxSYS_DEFAULT_GUI_FONT)
1343         #undef SYSFNT
1344     }
1345 
1346     return wxNullFont;
1347 }
1348 
GetFont(const wxString & param)1349 wxFont wxXmlResourceHandler::GetFont(const wxString& param)
1350 {
1351     wxXmlNode *font_node = GetParamNode(param);
1352     if (font_node == NULL)
1353     {
1354         wxLogError(_("Cannot find font node '%s'."), param.c_str());
1355         return wxNullFont;
1356     }
1357 
1358     wxXmlNode *oldnode = m_node;
1359     m_node = font_node;
1360 
1361     // font attributes:
1362 
1363     // size
1364     int isize = -1;
1365     bool hasSize = HasParam(wxT("size"));
1366     if (hasSize)
1367         isize = GetLong(wxT("size"), -1);
1368 
1369     // style
1370     int istyle = wxNORMAL;
1371     bool hasStyle = HasParam(wxT("style"));
1372     if (hasStyle)
1373     {
1374         wxString style = GetParamValue(wxT("style"));
1375         if (style == wxT("italic"))
1376             istyle = wxITALIC;
1377         else if (style == wxT("slant"))
1378             istyle = wxSLANT;
1379     }
1380 
1381     // weight
1382     int iweight = wxNORMAL;
1383     bool hasWeight = HasParam(wxT("weight"));
1384     if (hasWeight)
1385     {
1386         wxString weight = GetParamValue(wxT("weight"));
1387         if (weight == wxT("bold"))
1388             iweight = wxBOLD;
1389         else if (weight == wxT("light"))
1390             iweight = wxLIGHT;
1391     }
1392 
1393     // underline
1394     bool hasUnderlined = HasParam(wxT("underlined"));
1395     bool underlined = hasUnderlined ? GetBool(wxT("underlined"), false) : false;
1396 
1397     // family and facename
1398     int ifamily = wxDEFAULT;
1399     bool hasFamily = HasParam(wxT("family"));
1400     if (hasFamily)
1401     {
1402         wxString family = GetParamValue(wxT("family"));
1403              if (family == wxT("decorative")) ifamily = wxDECORATIVE;
1404         else if (family == wxT("roman")) ifamily = wxROMAN;
1405         else if (family == wxT("script")) ifamily = wxSCRIPT;
1406         else if (family == wxT("swiss")) ifamily = wxSWISS;
1407         else if (family == wxT("modern")) ifamily = wxMODERN;
1408         else if (family == wxT("teletype")) ifamily = wxTELETYPE;
1409     }
1410 
1411 
1412     wxString facename;
1413     bool hasFacename = HasParam(wxT("face"));
1414     if (hasFacename)
1415     {
1416         wxString faces = GetParamValue(wxT("face"));
1417         wxArrayString facenames(wxFontEnumerator::GetFacenames());
1418         wxStringTokenizer tk(faces, wxT(","));
1419         while (tk.HasMoreTokens())
1420         {
1421             int index = facenames.Index(tk.GetNextToken(), false);
1422             if (index != wxNOT_FOUND)
1423             {
1424                 facename = facenames[index];
1425                 break;
1426             }
1427         }
1428     }
1429 
1430     // encoding
1431     wxFontEncoding enc = wxFONTENCODING_DEFAULT;
1432     bool hasEncoding = HasParam(wxT("encoding"));
1433     if (hasEncoding)
1434     {
1435         wxString encoding = GetParamValue(wxT("encoding"));
1436         wxFontMapper mapper;
1437         if (!encoding.empty())
1438             enc = mapper.CharsetToEncoding(encoding);
1439         if (enc == wxFONTENCODING_SYSTEM)
1440             enc = wxFONTENCODING_DEFAULT;
1441     }
1442 
1443     // is this font based on a system font?
1444     wxFont font = GetSystemFont(GetParamValue(wxT("sysfont")));
1445 
1446     if (font.Ok())
1447     {
1448         if (hasSize && isize != -1)
1449             font.SetPointSize(isize);
1450         else if (HasParam(wxT("relativesize")))
1451             font.SetPointSize(int(font.GetPointSize() *
1452                                      GetFloat(wxT("relativesize"))));
1453 
1454         if (hasStyle)
1455             font.SetStyle(istyle);
1456         if (hasWeight)
1457             font.SetWeight(iweight);
1458         if (hasUnderlined)
1459             font.SetUnderlined(underlined);
1460         if (hasFamily)
1461             font.SetFamily(ifamily);
1462         if (hasFacename)
1463             font.SetFaceName(facename);
1464         if (hasEncoding)
1465             font.SetDefaultEncoding(enc);
1466     }
1467     else // not based on system font
1468     {
1469         font = wxFont(isize == -1 ? wxNORMAL_FONT->GetPointSize() : isize,
1470                       ifamily, istyle, iweight,
1471                       underlined, facename, enc);
1472     }
1473 
1474     m_node = oldnode;
1475     return font;
1476 }
1477 
1478 
SetupWindow(wxWindow * wnd)1479 void wxXmlResourceHandler::SetupWindow(wxWindow *wnd)
1480 {
1481     //FIXME : add cursor
1482 
1483     if (HasParam(wxT("exstyle")))
1484         // Have to OR it with existing style, since
1485         // some implementations (e.g. wxGTK) use the extra style
1486         // during creation
1487         wnd->SetExtraStyle(wnd->GetExtraStyle() | GetStyle(wxT("exstyle")));
1488     if (HasParam(wxT("bg")))
1489         wnd->SetBackgroundColour(GetColour(wxT("bg")));
1490     if (HasParam(wxT("fg")))
1491         wnd->SetForegroundColour(GetColour(wxT("fg")));
1492     if (GetBool(wxT("enabled"), 1) == 0)
1493         wnd->Enable(false);
1494     if (GetBool(wxT("focused"), 0) == 1)
1495         wnd->SetFocus();
1496     if (GetBool(wxT("hidden"), 0) == 1)
1497         wnd->Show(false);
1498 #if wxUSE_TOOLTIPS
1499     if (HasParam(wxT("tooltip")))
1500         wnd->SetToolTip(GetText(wxT("tooltip")));
1501 #endif
1502     if (HasParam(wxT("font")))
1503         wnd->SetFont(GetFont());
1504     if (HasParam(wxT("help")))
1505         wnd->SetHelpText(GetText(wxT("help")));
1506 }
1507 
1508 
CreateChildren(wxObject * parent,bool this_hnd_only)1509 void wxXmlResourceHandler::CreateChildren(wxObject *parent, bool this_hnd_only)
1510 {
1511     wxXmlNode *n = m_node->GetChildren();
1512 
1513     while (n)
1514     {
1515         if (n->GetType() == wxXML_ELEMENT_NODE &&
1516            (n->GetName() == wxT("object") || n->GetName() == wxT("object_ref")))
1517         {
1518             m_resource->CreateResFromNode(n, parent, NULL,
1519                                           this_hnd_only ? this : NULL);
1520         }
1521         n = n->GetNext();
1522     }
1523 }
1524 
1525 
CreateChildrenPrivately(wxObject * parent,wxXmlNode * rootnode)1526 void wxXmlResourceHandler::CreateChildrenPrivately(wxObject *parent, wxXmlNode *rootnode)
1527 {
1528     wxXmlNode *root;
1529     if (rootnode == NULL) root = m_node; else root = rootnode;
1530     wxXmlNode *n = root->GetChildren();
1531 
1532     while (n)
1533     {
1534         if (n->GetType() == wxXML_ELEMENT_NODE && CanHandle(n))
1535         {
1536             CreateResource(n, parent, NULL);
1537         }
1538         n = n->GetNext();
1539     }
1540 }
1541 
1542 
1543 
1544 
1545 
1546 
1547 
1548 // --------------- XRCID implementation -----------------------------
1549 
1550 #define XRCID_TABLE_SIZE     1024
1551 
1552 
1553 struct XRCID_record
1554 {
1555     int id;
1556     wxChar *key;
1557     XRCID_record *next;
1558 };
1559 
1560 static XRCID_record *XRCID_Records[XRCID_TABLE_SIZE] = {NULL};
1561 
XRCID_Lookup(const wxChar * str_id,int value_if_not_found=wxID_NONE)1562 static int XRCID_Lookup(const wxChar *str_id, int value_if_not_found = wxID_NONE)
1563 {
1564     unsigned int index = 0;
1565 
1566     for (const wxChar *c = str_id; *c != wxT('\0'); c++) index += (unsigned int)*c;
1567     index %= XRCID_TABLE_SIZE;
1568 
1569     XRCID_record *oldrec = NULL;
1570     for (XRCID_record *rec = XRCID_Records[index]; rec; rec = rec->next)
1571     {
1572         if (wxStrcmp(rec->key, str_id) == 0)
1573         {
1574             return rec->id;
1575         }
1576         oldrec = rec;
1577     }
1578 
1579     XRCID_record **rec_var = (oldrec == NULL) ?
1580                               &XRCID_Records[index] : &oldrec->next;
1581     *rec_var = new XRCID_record;
1582     (*rec_var)->key = wxStrdup(str_id);
1583     (*rec_var)->next = NULL;
1584 
1585     wxChar *end;
1586     if (value_if_not_found != wxID_NONE)
1587         (*rec_var)->id = value_if_not_found;
1588     else
1589     {
1590         int asint = wxStrtol(str_id, &end, 10);
1591         if (*str_id && *end == 0)
1592         {
1593             // if str_id was integer, keep it verbosely:
1594             (*rec_var)->id = asint;
1595         }
1596         else
1597         {
1598             (*rec_var)->id = wxNewId();
1599         }
1600     }
1601 
1602     return (*rec_var)->id;
1603 }
1604 
1605 static void AddStdXRCID_Records();
1606 
1607 /*static*/
GetXRCID(const wxChar * str_id,int value_if_not_found)1608 int wxXmlResource::GetXRCID(const wxChar *str_id, int value_if_not_found)
1609 {
1610     static bool s_stdIDsAdded = false;
1611 
1612     if ( !s_stdIDsAdded )
1613     {
1614         s_stdIDsAdded = true;
1615         AddStdXRCID_Records();
1616     }
1617 
1618     return XRCID_Lookup(str_id, value_if_not_found);
1619 }
1620 
1621 
CleanXRCID_Record(XRCID_record * rec)1622 static void CleanXRCID_Record(XRCID_record *rec)
1623 {
1624     if (rec)
1625     {
1626         CleanXRCID_Record(rec->next);
1627         free(rec->key);
1628         delete rec;
1629     }
1630 }
1631 
CleanXRCID_Records()1632 static void CleanXRCID_Records()
1633 {
1634     for (int i = 0; i < XRCID_TABLE_SIZE; i++)
1635     {
1636         CleanXRCID_Record(XRCID_Records[i]);
1637         XRCID_Records[i] = NULL;
1638     }
1639 }
1640 
AddStdXRCID_Records()1641 static void AddStdXRCID_Records()
1642 {
1643 #define stdID(id) XRCID_Lookup(wxT(#id), id)
1644     stdID(-1);
1645 
1646     stdID(wxID_ANY);
1647     stdID(wxID_SEPARATOR);
1648 
1649     stdID(wxID_OPEN);
1650     stdID(wxID_CLOSE);
1651     stdID(wxID_NEW);
1652     stdID(wxID_SAVE);
1653     stdID(wxID_SAVEAS);
1654     stdID(wxID_REVERT);
1655     stdID(wxID_EXIT);
1656     stdID(wxID_UNDO);
1657     stdID(wxID_REDO);
1658     stdID(wxID_HELP);
1659     stdID(wxID_PRINT);
1660     stdID(wxID_PRINT_SETUP);
1661     stdID(wxID_PAGE_SETUP);
1662     stdID(wxID_PREVIEW);
1663     stdID(wxID_ABOUT);
1664     stdID(wxID_HELP_CONTENTS);
1665     stdID(wxID_HELP_COMMANDS);
1666     stdID(wxID_HELP_PROCEDURES);
1667     stdID(wxID_HELP_CONTEXT);
1668     stdID(wxID_CLOSE_ALL);
1669     stdID(wxID_PREFERENCES);
1670     stdID(wxID_EDIT);
1671     stdID(wxID_CUT);
1672     stdID(wxID_COPY);
1673     stdID(wxID_PASTE);
1674     stdID(wxID_CLEAR);
1675     stdID(wxID_FIND);
1676     stdID(wxID_DUPLICATE);
1677     stdID(wxID_SELECTALL);
1678     stdID(wxID_DELETE);
1679     stdID(wxID_REPLACE);
1680     stdID(wxID_REPLACE_ALL);
1681     stdID(wxID_PROPERTIES);
1682     stdID(wxID_VIEW_DETAILS);
1683     stdID(wxID_VIEW_LARGEICONS);
1684     stdID(wxID_VIEW_SMALLICONS);
1685     stdID(wxID_VIEW_LIST);
1686     stdID(wxID_VIEW_SORTDATE);
1687     stdID(wxID_VIEW_SORTNAME);
1688     stdID(wxID_VIEW_SORTSIZE);
1689     stdID(wxID_VIEW_SORTTYPE);
1690     stdID(wxID_FILE1);
1691     stdID(wxID_FILE2);
1692     stdID(wxID_FILE3);
1693     stdID(wxID_FILE4);
1694     stdID(wxID_FILE5);
1695     stdID(wxID_FILE6);
1696     stdID(wxID_FILE7);
1697     stdID(wxID_FILE8);
1698     stdID(wxID_FILE9);
1699     stdID(wxID_OK);
1700     stdID(wxID_CANCEL);
1701     stdID(wxID_APPLY);
1702     stdID(wxID_YES);
1703     stdID(wxID_NO);
1704     stdID(wxID_STATIC);
1705     stdID(wxID_FORWARD);
1706     stdID(wxID_BACKWARD);
1707     stdID(wxID_DEFAULT);
1708     stdID(wxID_MORE);
1709     stdID(wxID_SETUP);
1710     stdID(wxID_RESET);
1711     stdID(wxID_CONTEXT_HELP);
1712     stdID(wxID_YESTOALL);
1713     stdID(wxID_NOTOALL);
1714     stdID(wxID_ABORT);
1715     stdID(wxID_RETRY);
1716     stdID(wxID_IGNORE);
1717     stdID(wxID_ADD);
1718     stdID(wxID_REMOVE);
1719     stdID(wxID_UP);
1720     stdID(wxID_DOWN);
1721     stdID(wxID_HOME);
1722     stdID(wxID_REFRESH);
1723     stdID(wxID_STOP);
1724     stdID(wxID_INDEX);
1725     stdID(wxID_BOLD);
1726     stdID(wxID_ITALIC);
1727     stdID(wxID_JUSTIFY_CENTER);
1728     stdID(wxID_JUSTIFY_FILL);
1729     stdID(wxID_JUSTIFY_RIGHT);
1730     stdID(wxID_JUSTIFY_LEFT);
1731     stdID(wxID_UNDERLINE);
1732     stdID(wxID_INDENT);
1733     stdID(wxID_UNINDENT);
1734     stdID(wxID_ZOOM_100);
1735     stdID(wxID_ZOOM_FIT);
1736     stdID(wxID_ZOOM_IN);
1737     stdID(wxID_ZOOM_OUT);
1738     stdID(wxID_UNDELETE);
1739     stdID(wxID_REVERT_TO_SAVED);
1740     stdID(wxID_SYSTEM_MENU);
1741     stdID(wxID_CLOSE_FRAME);
1742     stdID(wxID_MOVE_FRAME);
1743     stdID(wxID_RESIZE_FRAME);
1744     stdID(wxID_MAXIMIZE_FRAME);
1745     stdID(wxID_ICONIZE_FRAME);
1746     stdID(wxID_RESTORE_FRAME);
1747 
1748 #undef stdID
1749 }
1750 
1751 
1752 
1753 
1754 
1755 // --------------- module and globals -----------------------------
1756 
1757 class wxXmlResourceModule: public wxModule
1758 {
1759 DECLARE_DYNAMIC_CLASS(wxXmlResourceModule)
1760 public:
wxXmlResourceModule()1761     wxXmlResourceModule() {}
OnInit()1762     bool OnInit()
1763     {
1764         wxXmlResource::AddSubclassFactory(new wxXmlSubclassFactoryCXX);
1765         return true;
1766     }
OnExit()1767     void OnExit()
1768     {
1769         delete wxXmlResource::Set(NULL);
1770         if(wxXmlResource::ms_subclassFactories)
1771             WX_CLEAR_LIST(wxXmlSubclassFactoriesList, *wxXmlResource::ms_subclassFactories);
1772         wxDELETE(wxXmlResource::ms_subclassFactories);
1773         CleanXRCID_Records();
1774     }
1775 };
1776 
IMPLEMENT_DYNAMIC_CLASS(wxXmlResourceModule,wxModule)1777 IMPLEMENT_DYNAMIC_CLASS(wxXmlResourceModule, wxModule)
1778 
1779 
1780 // When wxXml is loaded dynamically after the application is already running
1781 // then the built-in module system won't pick this one up.  Add it manually.
1782 void wxXmlInitResourceModule()
1783 {
1784     wxModule* module = new wxXmlResourceModule;
1785     module->Init();
1786     wxModule::RegisterModule(module);
1787 }
1788 
1789 #endif // wxUSE_XRC
1790