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[wxWidgets.git] / src / generic / dirctrlg.cpp
1 /////////////////////////////////////////////////////////////////////////////
2 // Name: dirctrlg.cpp
3 // Purpose: wxGenericDirCtrl
4 // Author: Harm van der Heijden, Robert Roebling, Julian Smart
5 // Modified by:
6 // Created: 12/12/98
7 // RCS-ID: $Id$
8 // Copyright: (c) Harm van der Heijden, Robert Roebling and Julian Smart
9 // Licence: wxWindows licence
10 /////////////////////////////////////////////////////////////////////////////
11
12 #ifdef __GNUG__
13 #pragma implementation "dirctrlg.h"
14 #endif
15
16 // For compilers that support precompilation, includes "wx.h".
17 #include "wx/wxprec.h"
18
19 #ifdef __BORLANDC__
20 #pragma hdrstop
21 #endif
22
23 #if wxUSE_DIRDLG
24
25 #include "wx/generic/dirctrlg.h"
26
27 #include "wx/module.h"
28 #include "wx/utils.h"
29 #include "wx/button.h"
30 #include "wx/layout.h"
31 #include "wx/msgdlg.h"
32 #include "wx/textctrl.h"
33 #include "wx/textdlg.h"
34 #include "wx/filefn.h"
35 #include "wx/cmndata.h"
36 #include "wx/gdicmn.h"
37 #include "wx/intl.h"
38 #include "wx/imaglist.h"
39 #include "wx/icon.h"
40 #include "wx/log.h"
41 #include "wx/sizer.h"
42 #include "wx/tokenzr.h"
43 #include "wx/dir.h"
44 #include "wx/settings.h"
45 #include "wx/artprov.h"
46 #include "wx/hash.h"
47 #include "wx/mimetype.h"
48 #include "wx/image.h"
49 #include "wx/choice.h"
50
51 #if wxUSE_STATLINE
52 #include "wx/statline.h"
53 #endif
54
55 #if defined(__WXMAC__)
56 #include "wx/mac/private.h" // includes mac headers
57 #endif
58
59 #ifdef __WXMSW__
60 #include <windows.h>
61
62 // FIXME - Mingw32 1.0 has both _getdrive() and _chdrive(). For now, let's assume
63 // older releases don't, but it should be verified and the checks modified
64 // accordingly.
65 #if !defined(__GNUWIN32__) || (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
66 #include <direct.h>
67 #include <stdlib.h>
68 #include <ctype.h>
69 #endif
70
71 #endif
72
73 #ifdef __WXPM__
74
75 #define INCL_BASE
76 #include <os2.h>
77 #ifndef __EMX__
78 #include <direct.h>
79 #endif
80 #include <stdlib.h>
81 #include <ctype.h>
82 extern bool wxIsDriveAvailable(const wxString& dirName);
83 #endif // __WXPM__
84
85 #if defined(__WXMAC__)
86 # ifdef __DARWIN__
87 # include "MoreFilesX.h"
88 # else
89 # include "MoreFilesExtras.h"
90 # endif
91 #endif
92
93 #ifdef __BORLANDC__
94 #include "dos.h"
95 #endif
96
97 // If compiled under Windows, this macro can cause problems
98 #ifdef GetFirstChild
99 #undef GetFirstChild
100 #endif
101
102 // ----------------------------------------------------------------------------
103 // wxGetAvailableDrives, for WINDOWS, DOS, WXPM, MAC, UNIX (returns "/")
104 // ----------------------------------------------------------------------------
105
106 size_t wxGetAvailableDrives(wxArrayString &paths, wxArrayString &names, wxArrayInt &icon_ids)
107 {
108 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
109
110 #ifdef __WIN32__
111 wxChar driveBuffer[256];
112 size_t n = (size_t) GetLogicalDriveStrings(255, driveBuffer);
113 size_t i = 0;
114 while (i < n)
115 {
116 wxString path, name;
117 path.Printf(wxT("%c:\\"), driveBuffer[i]);
118 name.Printf(wxT("%c:"), driveBuffer[i]);
119
120 int imageId = wxFileIconsTable::drive;
121 int driveType = ::GetDriveType(path);
122 switch (driveType)
123 {
124 case DRIVE_REMOVABLE:
125 if (path == wxT("a:\\") || path == wxT("b:\\"))
126 imageId = wxFileIconsTable::floppy;
127 else
128 imageId = wxFileIconsTable::removeable;
129 break;
130 case DRIVE_CDROM:
131 imageId = wxFileIconsTable::cdrom;
132 break;
133 case DRIVE_REMOTE:
134 case DRIVE_FIXED:
135 default:
136 imageId = wxFileIconsTable::drive;
137 break;
138 }
139
140 paths.Add(path);
141 names.Add(name);
142 icon_ids.Add(imageId);
143
144 while (driveBuffer[i] != wxT('\0'))
145 i ++;
146 i ++;
147 if (driveBuffer[i] == wxT('\0'))
148 break;
149 }
150 #else // !__WIN32__
151 int drive;
152
153 /* If we can switch to the drive, it exists. */
154 for( drive = 1; drive <= 26; drive++ )
155 {
156 wxString path, name;
157 path.Printf(wxT("%c:\\"), (char) (drive + 'a' - 1));
158 name.Printf(wxT("%c:"), (char) (drive + 'A' - 1));
159
160 if (wxIsDriveAvailable(path))
161 {
162 paths.Add(path);
163 names.Add(name);
164 icon_ids.Add((drive <= 2) ? wxFileIconsTable::floppy : wxFileIconsTable::drive);
165 }
166 }
167 #endif // __WIN32__/!__WIN32__
168
169 #elif defined(__WXMAC__)
170 #ifdef __DARWIN__
171 FSRef **theVolRefs;
172 ItemCount theVolCount;
173 char thePath[FILENAME_MAX];
174
175 if (FSGetMountedVolumes(&theVolRefs, &theVolCount) == noErr) {
176 ItemCount index;
177 ::HLock( (Handle)theVolRefs ) ;
178 for (index = 0; index < theVolCount; ++index) {
179 // get the POSIX path associated with the FSRef
180 if ( FSRefMakePath(&((*theVolRefs)[index]),
181 (UInt8 *)thePath, sizeof(thePath)) != noErr ) {
182 continue;
183 }
184 // add path separator at end if necessary
185 wxString path( thePath ) ;
186 if (path.Last() != wxFILE_SEP_PATH) {
187 path += wxFILE_SEP_PATH;
188 }
189 // get Mac volume name for display
190 FSVolumeRefNum vRefNum ;
191 HFSUniStr255 volumeName ;
192
193 if ( FSGetVRefNum(&((*theVolRefs)[index]), &vRefNum) != noErr ) {
194 continue;
195 }
196 if ( FSGetVInfo(vRefNum, &volumeName, NULL, NULL) != noErr ) {
197 continue;
198 }
199 // get C string from Unicode HFS name
200 // see: http://developer.apple.com/carbon/tipsandtricks.html
201 CFStringRef cfstr = CFStringCreateWithCharacters( kCFAllocatorDefault,
202 volumeName.unicode,
203 volumeName.length );
204 // Do something with str
205 char *cstr = NewPtr(CFStringGetLength(cfstr) + 1);
206 if (( cstr == NULL ) ||
207 !CFStringGetCString(cfstr, cstr, CFStringGetLength(cfstr) + 1,
208 kCFStringEncodingMacRoman))
209 {
210 CFRelease( cstr );
211 continue;
212 }
213 wxString name( cstr );
214 DisposePtr( cstr );
215 CFRelease( cfstr );
216
217 GetVolParmsInfoBuffer volParmsInfo;
218 UInt32 actualSize;
219 if ( FSGetVolParms(vRefNum, sizeof(volParmsInfo), &volParmsInfo, &actualSize) != noErr ) {
220 continue;
221 }
222
223 paths.Add(path);
224 names.Add(name);
225
226 if ( VolIsEjectable(&volParmsInfo) )
227 icon_ids.Add(wxFileIconsTable::cdrom);
228 else
229 icon_ids.Add(wxFileIconsTable::drive);
230 }
231 ::HUnlock( (Handle)theVolRefs );
232 ::DisposeHandle( (Handle)theVolRefs );
233 }
234 #else // !__DARWIN__
235 FSSpec volume;
236 short index = 1;
237 while(1)
238 {
239 short actualCount = 0 ;
240 if (OnLine(&volume, 1, &actualCount, &index ) != noErr || actualCount==0)
241 {
242 break;
243 }
244
245 wxString name = wxMacFSSpec2MacFilename( &volume );
246 paths.Add(name + wxFILE_SEP_PATH);
247 names.Add(name);
248 icon_ids.Add(wxFileIconsTable::drive);
249 }
250 #endif // __DARWIN__
251
252 #elif defined(__UNIX__)
253 paths.Add(wxT("/"));
254 names.Add(wxT("/"));
255 icon_ids.Add(wxFileIconsTable::computer);
256 #else
257 #error "Unsupported platform in wxGenericDirCtrl!"
258 #endif
259 return paths.GetCount();
260 }
261
262 // ----------------------------------------------------------------------------
263 // wxIsDriveAvailable
264 // ----------------------------------------------------------------------------
265
266 #if defined(__DOS__)
267
268 bool wxIsDriveAvailable(const wxString& dirName)
269 {
270 // FIXME_MGL - this method leads to hang up under Watcom for some reason
271 #ifndef __WATCOMC__
272 if ( dirName.Len() == 3 && dirName[1u] == wxT(':') )
273 {
274 wxString dirNameLower(dirName.Lower());
275 // VS: always return TRUE for removable media, since Win95 doesn't
276 // like it when MS-DOS app accesses empty floppy drive
277 return (dirNameLower[0u] == wxT('a') ||
278 dirNameLower[0u] == wxT('b') ||
279 wxPathExists(dirNameLower));
280 }
281 else
282 #endif
283 return TRUE;
284 }
285
286 #elif defined(__WINDOWS__) || defined(__WXPM__)
287
288 int setdrive(int drive)
289 {
290 #if defined(__GNUWIN32__) && \
291 (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
292 return _chdrive(drive);
293 #else
294 wxChar newdrive[3];
295
296 if (drive < 1 || drive > 31)
297 return -1;
298 newdrive[0] = (wxChar)(wxT('A') + drive - 1);
299 newdrive[1] = wxT(':');
300 newdrive[2] = wxT('\0');
301 #if defined(__WXMSW__)
302 #ifdef __WIN16__
303 if (wxSetWorkingDirectory(newdrive))
304 #else
305 if (::SetCurrentDirectory(newdrive))
306 #endif
307 #else
308 // VA doesn't know what LPSTR is and has its own set
309 if (DosSetCurrentDir((PSZ)newdrive))
310 #endif
311 return 0;
312 else
313 return -1;
314 #endif // !GNUWIN32
315 }
316
317 bool wxIsDriveAvailable(const wxString& dirName)
318 {
319 #ifdef __WIN32__
320 UINT errorMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
321 #endif
322 bool success = TRUE;
323
324 // Check if this is a root directory and if so,
325 // whether the drive is available.
326 if (dirName.Len() == 3 && dirName[(size_t)1] == wxT(':'))
327 {
328 wxString dirNameLower(dirName.Lower());
329 #if defined(__GNUWIN32__) && !(defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
330 success = wxPathExists(dirNameLower);
331 #else
332 int currentDrive = _getdrive();
333 int thisDrive = (int) (dirNameLower[(size_t)0] - 'a' + 1) ;
334 int err = setdrive( thisDrive ) ;
335 setdrive( currentDrive );
336
337 if (err == -1)
338 {
339 success = FALSE;
340 }
341 #endif
342 }
343 #ifdef __WIN32__
344 (void) SetErrorMode(errorMode);
345 #endif
346
347 return success;
348 }
349 #endif // __WINDOWS__ || __WXPM__
350
351 // Function which is called by quick sort. We want to override the default wxArrayString behaviour,
352 // and sort regardless of case.
353 static int LINKAGEMODE wxDirCtrlStringCompareFunction(const void *first, const void *second)
354 {
355 wxString *strFirst = (wxString *)first;
356 wxString *strSecond = (wxString *)second;
357
358 return strFirst->CmpNoCase(*strSecond);
359 }
360
361 //-----------------------------------------------------------------------------
362 // wxDirItemData
363 //-----------------------------------------------------------------------------
364
365 wxDirItemData::wxDirItemData(const wxString& path, const wxString& name,
366 bool isDir)
367 {
368 m_path = path;
369 m_name = name;
370 /* Insert logic to detect hidden files here
371 * In UnixLand we just check whether the first char is a dot
372 * For FileNameFromPath read LastDirNameInThisPath ;-) */
373 // m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
374 m_isHidden = FALSE;
375 m_isExpanded = FALSE;
376 m_isDir = isDir;
377 }
378
379 wxDirItemData::~wxDirItemData()
380 {
381 }
382
383 void wxDirItemData::SetNewDirName(const wxString& path)
384 {
385 m_path = path;
386 m_name = wxFileNameFromPath(path);
387 }
388
389 bool wxDirItemData::HasSubDirs() const
390 {
391 if (m_path.IsEmpty())
392 return FALSE;
393
394 wxDir dir;
395 {
396 wxLogNull nolog;
397 if ( !dir.Open(m_path) )
398 return FALSE;
399 }
400
401 return dir.HasSubDirs();
402 }
403
404 bool wxDirItemData::HasFiles(const wxString& WXUNUSED(spec)) const
405 {
406 if (m_path.IsEmpty())
407 return FALSE;
408
409 wxDir dir;
410 {
411 wxLogNull nolog;
412 if ( !dir.Open(m_path) )
413 return FALSE;
414 }
415
416 return dir.HasFiles();
417 }
418
419 //-----------------------------------------------------------------------------
420 // wxGenericDirCtrl
421 //-----------------------------------------------------------------------------
422
423 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
424
425 BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
426 EVT_TREE_ITEM_EXPANDING (-1, wxGenericDirCtrl::OnExpandItem)
427 EVT_TREE_ITEM_COLLAPSED (-1, wxGenericDirCtrl::OnCollapseItem)
428 EVT_TREE_BEGIN_LABEL_EDIT (-1, wxGenericDirCtrl::OnBeginEditItem)
429 EVT_TREE_END_LABEL_EDIT (-1, wxGenericDirCtrl::OnEndEditItem)
430 EVT_SIZE (wxGenericDirCtrl::OnSize)
431 END_EVENT_TABLE()
432
433 wxGenericDirCtrl::wxGenericDirCtrl(void)
434 {
435 Init();
436 }
437
438 bool wxGenericDirCtrl::Create(wxWindow *parent,
439 const wxWindowID id,
440 const wxString& dir,
441 const wxPoint& pos,
442 const wxSize& size,
443 long style,
444 const wxString& filter,
445 int defaultFilter,
446 const wxString& name)
447 {
448 if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
449 return FALSE;
450
451 SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
452
453 Init();
454
455 long treeStyle = wxTR_HAS_BUTTONS | wxTR_HIDE_ROOT;
456
457 if (style & wxDIRCTRL_EDIT_LABELS)
458 treeStyle |= wxTR_EDIT_LABELS;
459
460 if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
461 treeStyle |= wxNO_BORDER;
462 else
463 treeStyle |= wxBORDER_SUNKEN;
464
465 long filterStyle = 0;
466 if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
467 filterStyle |= wxNO_BORDER;
468 else
469 filterStyle |= wxBORDER_SUNKEN;
470
471 m_treeCtrl = new wxTreeCtrl(this, wxID_TREECTRL, pos, size, treeStyle);
472
473 if (!filter.IsEmpty() && (style & wxDIRCTRL_SHOW_FILTERS))
474 m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL, wxDefaultPosition, wxDefaultSize, filterStyle);
475
476 m_defaultPath = dir;
477 m_filter = filter;
478
479 SetFilterIndex(defaultFilter);
480
481 if (m_filterListCtrl)
482 m_filterListCtrl->FillFilterList(filter, defaultFilter);
483
484 m_treeCtrl->SetImageList(wxTheFileIconsTable->GetSmallImageList());
485
486 m_showHidden = FALSE;
487 wxDirItemData* rootData = new wxDirItemData(wxT(""), wxT(""), TRUE);
488
489 wxString rootName;
490
491 #if defined(__WINDOWS__) || defined(__WXPM__) || defined(__DOS__)
492 rootName = _("Computer");
493 #else
494 rootName = _("Sections");
495 #endif
496
497 m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
498 m_treeCtrl->SetItemHasChildren(m_rootId);
499 ExpandDir(m_rootId); // automatically expand first level
500
501 // Expand and select the default path
502 if (!m_defaultPath.IsEmpty())
503 ExpandPath(m_defaultPath);
504
505 DoResize();
506
507 return TRUE;
508 }
509
510 wxGenericDirCtrl::~wxGenericDirCtrl()
511 {
512 }
513
514 void wxGenericDirCtrl::Init()
515 {
516 m_showHidden = FALSE;
517 m_currentFilter = 0;
518 m_currentFilterStr = wxEmptyString; // Default: any file
519 m_treeCtrl = NULL;
520 m_filterListCtrl = NULL;
521 }
522
523 void wxGenericDirCtrl::ShowHidden( bool show )
524 {
525 m_showHidden = show;
526
527 wxString path = GetPath();
528 ReCreateTree();
529 SetPath(path);
530 }
531
532 const wxTreeItemId
533 wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
534 {
535 wxDirItemData *dir_item = new wxDirItemData(path,name,TRUE);
536
537 wxTreeItemId id = AppendItem( m_rootId, name, imageId, -1, dir_item);
538
539 m_treeCtrl->SetItemHasChildren(id);
540
541 return id;
542 }
543
544 void wxGenericDirCtrl::SetupSections()
545 {
546 wxArrayString paths, names;
547 wxArrayInt icons;
548
549 size_t n, count = wxGetAvailableDrives(paths, names, icons);
550
551 for (n = 0; n < count; n++)
552 {
553 AddSection(paths[n], names[n], icons[n]);
554 }
555 }
556
557 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
558 {
559 // don't rename the main entry "Sections"
560 if (event.GetItem() == m_rootId)
561 {
562 event.Veto();
563 return;
564 }
565
566 // don't rename the individual sections
567 if (m_treeCtrl->GetItemParent( event.GetItem() ) == m_rootId)
568 {
569 event.Veto();
570 return;
571 }
572 }
573
574 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
575 {
576 if ((event.GetLabel().IsEmpty()) ||
577 (event.GetLabel() == _(".")) ||
578 (event.GetLabel() == _("..")) ||
579 (event.GetLabel().Find(wxT('/')) != wxNOT_FOUND) ||
580 (event.GetLabel().Find(wxT('\\')) != wxNOT_FOUND) ||
581 (event.GetLabel().Find(wxT('|')) != wxNOT_FOUND))
582 {
583 wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
584 dialog.ShowModal();
585 event.Veto();
586 return;
587 }
588
589 wxTreeItemId id = event.GetItem();
590 wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
591 wxASSERT( data );
592
593 wxString new_name( wxPathOnly( data->m_path ) );
594 new_name += wxString(wxFILE_SEP_PATH);
595 new_name += event.GetLabel();
596
597 wxLogNull log;
598
599 if (wxFileExists(new_name))
600 {
601 wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
602 dialog.ShowModal();
603 event.Veto();
604 }
605
606 if (wxRenameFile(data->m_path,new_name))
607 {
608 data->SetNewDirName( new_name );
609 }
610 else
611 {
612 wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
613 dialog.ShowModal();
614 event.Veto();
615 }
616 }
617
618 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
619 {
620 wxTreeItemId parentId = event.GetItem();
621
622 // VS: this is needed because the event handler is called from wxTreeCtrl
623 // ctor when wxTR_HIDE_ROOT was specified
624
625 if (!m_rootId.IsOk())
626
627 m_rootId = m_treeCtrl->GetRootItem();
628
629 ExpandDir(parentId);
630 }
631
632 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
633 {
634 CollapseDir(event.GetItem());
635 }
636
637 void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
638 {
639 wxTreeItemId child;
640
641 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
642 if (!data->m_isExpanded)
643 return;
644
645 data->m_isExpanded = FALSE;
646 long cookie;
647 /* Workaround because DeleteChildren has disapeared (why?) and
648 * CollapseAndReset doesn't work as advertised (deletes parent too) */
649 child = m_treeCtrl->GetFirstChild(parentId, cookie);
650 while (child.IsOk())
651 {
652 m_treeCtrl->Delete(child);
653 /* Not GetNextChild below, because the cookie mechanism can't
654 * handle disappearing children! */
655 child = m_treeCtrl->GetFirstChild(parentId, cookie);
656 }
657 }
658
659 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
660 {
661 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
662
663 if (data->m_isExpanded)
664 return;
665
666 data->m_isExpanded = TRUE;
667
668 if (parentId == m_treeCtrl->GetRootItem())
669 {
670 SetupSections();
671 return;
672 }
673
674 wxASSERT(data);
675
676 wxString search,path,filename;
677
678 wxString dirName(data->m_path);
679
680 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
681 // Check if this is a root directory and if so,
682 // whether the drive is avaiable.
683 if (!wxIsDriveAvailable(dirName))
684 {
685 data->m_isExpanded = FALSE;
686 //wxMessageBox(wxT("Sorry, this drive is not available."));
687 return;
688 }
689 #endif
690
691 // This may take a longish time. Go to busy cursor
692 wxBusyCursor busy;
693
694 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
695 if (dirName.Last() == ':')
696 dirName += wxString(wxFILE_SEP_PATH);
697 #endif
698
699 wxArrayString dirs;
700 wxArrayString filenames;
701
702 wxDir d;
703 wxString eachFilename;
704
705 wxLogNull log;
706 d.Open(dirName);
707
708 if (d.IsOpened())
709 {
710 int style = wxDIR_DIRS;
711 if (m_showHidden) style |= wxDIR_HIDDEN;
712 if (d.GetFirst(& eachFilename, wxEmptyString, style))
713 {
714 do
715 {
716 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
717 {
718 dirs.Add(eachFilename);
719 }
720 }
721 while (d.GetNext(& eachFilename));
722 }
723 }
724 dirs.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
725
726 // Now do the filenames -- but only if we're allowed to
727 if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
728 {
729 wxLogNull log;
730
731 d.Open(dirName);
732
733 if (d.IsOpened())
734 {
735 if (d.GetFirst(& eachFilename, m_currentFilterStr, wxDIR_FILES))
736 {
737 do
738 {
739 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
740 {
741 filenames.Add(eachFilename);
742 }
743 }
744 while (d.GetNext(& eachFilename));
745 }
746 }
747 filenames.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
748 }
749
750 // Add the sorted dirs
751 size_t i;
752 for (i = 0; i < dirs.Count(); i++)
753 {
754 wxString eachFilename(dirs[i]);
755 path = dirName;
756 if (!wxEndsWithPathSeparator(path))
757 path += wxString(wxFILE_SEP_PATH);
758 path += eachFilename;
759
760 wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,TRUE);
761 wxTreeItemId id = AppendItem( parentId, eachFilename,
762 wxFileIconsTable::folder, -1, dir_item);
763 m_treeCtrl->SetItemImage( id, wxFileIconsTable::folder_open,
764 wxTreeItemIcon_Expanded );
765
766 // Has this got any children? If so, make it expandable.
767 // (There are two situations when a dir has children: either it
768 // has subdirectories or it contains files that weren't filtered
769 // out. The latter only applies to dirctrl with files.)
770 if ( dir_item->HasSubDirs() ||
771 (((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0) &&
772 dir_item->HasFiles(m_currentFilterStr)) )
773 {
774 m_treeCtrl->SetItemHasChildren(id);
775 }
776 }
777
778 // Add the sorted filenames
779 if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
780 {
781 for (i = 0; i < filenames.Count(); i++)
782 {
783 wxString eachFilename(filenames[i]);
784 path = dirName;
785 if (!wxEndsWithPathSeparator(path))
786 path += wxString(wxFILE_SEP_PATH);
787 path += eachFilename;
788 //path = dirName + wxString(wxT("/")) + eachFilename;
789 wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,FALSE);
790 int image_id = wxFileIconsTable::file;
791 if (eachFilename.Find(wxT('.')) != wxNOT_FOUND)
792 image_id = wxTheFileIconsTable->GetIconID(eachFilename.AfterLast(wxT('.')));
793 (void) AppendItem( parentId, eachFilename, image_id, -1, dir_item);
794 }
795 }
796 }
797
798 void wxGenericDirCtrl::ReCreateTree()
799 {
800 CollapseDir(m_treeCtrl->GetRootItem());
801 ExpandDir(m_treeCtrl->GetRootItem());
802 }
803
804 // Find the child that matches the first part of 'path'.
805 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
806 // then the child for /usr is returned.
807 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
808 {
809 wxString path2(path);
810
811 // Make sure all separators are as per the current platform
812 path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
813 path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
814
815 // Append a separator to foil bogus substring matching
816 path2 += wxString(wxFILE_SEP_PATH);
817
818 // In MSW or PM, case is not significant
819 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
820 path2.MakeLower();
821 #endif
822
823 long cookie;
824 wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
825 while (childId.IsOk())
826 {
827 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
828
829 if (data && !data->m_path.IsEmpty())
830 {
831 wxString childPath(data->m_path);
832 if (!wxEndsWithPathSeparator(childPath))
833 childPath += wxString(wxFILE_SEP_PATH);
834
835 // In MSW and PM, case is not significant
836 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
837 childPath.MakeLower();
838 #endif
839
840 if (childPath.Len() <= path2.Len())
841 {
842 wxString path3 = path2.Mid(0, childPath.Len());
843 if (childPath == path3)
844 {
845 if (path3.Len() == path2.Len())
846 done = TRUE;
847 else
848 done = FALSE;
849 return childId;
850 }
851 }
852 }
853
854 childId = m_treeCtrl->GetNextChild(parentId, cookie);
855 }
856 wxTreeItemId invalid;
857 return invalid;
858 }
859
860 // Try to expand as much of the given path as possible,
861 // and select the given tree item.
862 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
863 {
864 bool done = FALSE;
865 wxTreeItemId id = FindChild(m_rootId, path, done);
866 wxTreeItemId lastId = id; // The last non-zero id
867 while (id.IsOk() && !done)
868 {
869 ExpandDir(id);
870
871 id = FindChild(id, path, done);
872 if (id.IsOk())
873 lastId = id;
874 }
875 if (lastId.IsOk())
876 {
877 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
878 if (data->m_isDir)
879 {
880 m_treeCtrl->Expand(lastId);
881 }
882 if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
883 {
884 // Find the first file in this directory
885 long cookie;
886 wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
887 bool selectedChild = FALSE;
888 while (childId.IsOk())
889 {
890 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
891
892 if (data && data->m_path != wxT("") && !data->m_isDir)
893 {
894 m_treeCtrl->SelectItem(childId);
895 m_treeCtrl->EnsureVisible(childId);
896 selectedChild = TRUE;
897 break;
898 }
899 childId = m_treeCtrl->GetNextChild(lastId, cookie);
900 }
901 if (!selectedChild)
902 {
903 m_treeCtrl->SelectItem(lastId);
904 m_treeCtrl->EnsureVisible(lastId);
905 }
906 }
907 else
908 {
909 m_treeCtrl->SelectItem(lastId);
910 m_treeCtrl->EnsureVisible(lastId);
911 }
912
913 return TRUE;
914 }
915 else
916 return FALSE;
917 }
918
919 wxString wxGenericDirCtrl::GetPath() const
920 {
921 wxTreeItemId id = m_treeCtrl->GetSelection();
922 if (id)
923 {
924 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
925 return data->m_path;
926 }
927 else
928 return wxEmptyString;
929 }
930
931 wxString wxGenericDirCtrl::GetFilePath() const
932 {
933 wxTreeItemId id = m_treeCtrl->GetSelection();
934 if (id)
935 {
936 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
937 if (data->m_isDir)
938 return wxEmptyString;
939 else
940 return data->m_path;
941 }
942 else
943 return wxEmptyString;
944 }
945
946 void wxGenericDirCtrl::SetPath(const wxString& path)
947 {
948 m_defaultPath = path;
949 if (m_rootId)
950 ExpandPath(path);
951 }
952
953 // Not used
954 #if 0
955 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
956 {
957 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
958
959 // This may take a longish time. Go to busy cursor
960 wxBusyCursor busy;
961
962 wxASSERT(data);
963
964 wxString search,path,filename;
965
966 wxString dirName(data->m_path);
967
968 #if defined(__WXMSW__) || defined(__WXPM__)
969 if (dirName.Last() == ':')
970 dirName += wxString(wxFILE_SEP_PATH);
971 #endif
972
973 wxDir d;
974 wxString eachFilename;
975
976 wxLogNull log;
977 d.Open(dirName);
978
979 if (d.IsOpened())
980 {
981 if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
982 {
983 do
984 {
985 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
986 {
987 filenames.Add(eachFilename);
988 }
989 }
990 while (d.GetNext(& eachFilename)) ;
991 }
992 }
993 }
994 #endif
995
996 void wxGenericDirCtrl::SetFilterIndex(int n)
997 {
998 m_currentFilter = n;
999
1000 wxString f, d;
1001 if (ExtractWildcard(m_filter, n, f, d))
1002 m_currentFilterStr = f;
1003 else
1004 m_currentFilterStr = wxT("*.*");
1005 }
1006
1007 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1008 {
1009 m_filter = filter;
1010
1011 wxString f, d;
1012 if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1013 m_currentFilterStr = f;
1014 else
1015 m_currentFilterStr = wxT("*.*");
1016 }
1017
1018 // Extract description and actual filter from overall filter string
1019 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1020 {
1021 wxArrayString filters, descriptions;
1022 int count = ParseFilter(filterStr, filters, descriptions);
1023 if (count > 0 && n < count)
1024 {
1025 filter = filters[n];
1026 description = descriptions[n];
1027 return TRUE;
1028 }
1029
1030 return FALSE;
1031 }
1032
1033 // Parses the global filter, returning the number of filters.
1034 // Returns 0 if none or if there's a problem.
1035 // filterStr is in the form:
1036 //
1037 // "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpg"
1038
1039 int wxGenericDirCtrl::ParseFilter(const wxString& filterStr, wxArrayString& filters, wxArrayString& descriptions)
1040 {
1041 wxString str(filterStr);
1042
1043 wxString description, filter;
1044 int pos;
1045 bool finished = FALSE;
1046 do
1047 {
1048 pos = str.Find(wxT('|'));
1049 if (pos == -1)
1050 return 0; // Problem
1051 description = str.Left(pos);
1052 str = str.Mid(pos+1);
1053 pos = str.Find(wxT('|'));
1054 if (pos == -1)
1055 {
1056 filter = str;
1057 finished = TRUE;
1058 }
1059 else
1060 {
1061 filter = str.Left(pos);
1062 str = str.Mid(pos+1);
1063 }
1064 descriptions.Add(description);
1065 filters.Add(filter);
1066 }
1067 while (!finished) ;
1068
1069 return filters.Count();
1070 }
1071
1072 void wxGenericDirCtrl::DoResize()
1073 {
1074 wxSize sz = GetClientSize();
1075 int verticalSpacing = 3;
1076 if (m_treeCtrl)
1077 {
1078 wxSize filterSz ;
1079 if (m_filterListCtrl)
1080 {
1081 #ifdef __WXMSW__
1082 // For some reason, this is required in order for the
1083 // correct control height to always be returned, rather
1084 // than the drop-down list height which is sometimes returned.
1085 wxSize oldSize = m_filterListCtrl->GetSize();
1086 m_filterListCtrl->SetSize(-1, -1, oldSize.x+10, -1, wxSIZE_USE_EXISTING);
1087 m_filterListCtrl->SetSize(-1, -1, oldSize.x, -1, wxSIZE_USE_EXISTING);
1088 #endif
1089 filterSz = m_filterListCtrl->GetSize();
1090 sz.y -= (filterSz.y + verticalSpacing);
1091 }
1092 m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1093 if (m_filterListCtrl)
1094 {
1095 m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1096 // Don't know why, but this needs refreshing after a resize (wxMSW)
1097 m_filterListCtrl->Refresh();
1098 }
1099 }
1100 }
1101
1102
1103 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1104 {
1105 DoResize();
1106 }
1107
1108 wxTreeItemId wxGenericDirCtrl::AppendItem (const wxTreeItemId & parent,
1109 const wxString & text,
1110 int image, int selectedImage,
1111 wxTreeItemData * data)
1112 {
1113 wxTreeCtrl *treeCtrl = GetTreeCtrl ();
1114
1115 wxASSERT (treeCtrl);
1116
1117 if (treeCtrl)
1118 {
1119 return treeCtrl->AppendItem (parent, text, image, selectedImage, data);
1120 }
1121 else
1122 {
1123 return wxTreeItemId();
1124 }
1125 }
1126
1127
1128 //-----------------------------------------------------------------------------
1129 // wxDirFilterListCtrl
1130 //-----------------------------------------------------------------------------
1131
1132 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1133
1134 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1135 EVT_CHOICE(-1, wxDirFilterListCtrl::OnSelFilter)
1136 END_EVENT_TABLE()
1137
1138 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
1139 const wxPoint& pos,
1140 const wxSize& size,
1141 long style)
1142 {
1143 m_dirCtrl = parent;
1144 return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1145 }
1146
1147 void wxDirFilterListCtrl::Init()
1148 {
1149 m_dirCtrl = NULL;
1150 }
1151
1152 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1153 {
1154 int sel = GetSelection();
1155
1156 wxString currentPath = m_dirCtrl->GetPath();
1157
1158 m_dirCtrl->SetFilterIndex(sel);
1159
1160 // If the filter has changed, the view is out of date, so
1161 // collapse the tree.
1162 m_dirCtrl->ReCreateTree();
1163
1164 // Try to restore the selection, or at least the directory
1165 m_dirCtrl->ExpandPath(currentPath);
1166 }
1167
1168 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1169 {
1170 Clear();
1171 wxArrayString descriptions, filters;
1172 size_t n = (size_t) m_dirCtrl->ParseFilter(filter, filters, descriptions);
1173
1174 if (n > 0 && defaultFilter < (int) n)
1175 {
1176 size_t i = 0;
1177 for (i = 0; i < n; i++)
1178 Append(descriptions[i]);
1179 SetSelection(defaultFilter);
1180 }
1181 }
1182
1183
1184 // ----------------------------------------------------------------------------
1185 // wxFileIconsTable icons
1186 // ----------------------------------------------------------------------------
1187
1188 /* Open folder */
1189 static const char * file_icons_tbl_folder_open_xpm[] = {
1190 /* width height ncolors chars_per_pixel */
1191 "16 16 6 1",
1192 /* colors */
1193 " s None c None",
1194 ". c #000000",
1195 "+ c #c0c0c0",
1196 "@ c #808080",
1197 "# c #ffff00",
1198 "$ c #ffffff",
1199 /* pixels */
1200 " ",
1201 " @@@@@ ",
1202 " @$$$$$@ ",
1203 " @$#+#+#$@@@@@@ ",
1204 " @$+#+#+$$$$$$@.",
1205 " @$#+#+#+#+#+#@.",
1206 "@@@@@@@@@@@@@#@.",
1207 "@$$$$$$$$$$@@+@.",
1208 "@$#+#+#+#+##.@@.",
1209 " @$#+#+#+#+#+.@.",
1210 " @$+#+#+#+#+#.@.",
1211 " @$+#+#+#+##@..",
1212 " @@@@@@@@@@@@@.",
1213 " .............",
1214 " ",
1215 " "};
1216
1217 /* Computer */
1218 static const char * file_icons_tbl_computer_xpm[] = {
1219 "16 16 7 1",
1220 " s None c None",
1221 ". c #808080",
1222 "X c #c0c0c0",
1223 "o c Black",
1224 "O c Gray100",
1225 "+ c #008080",
1226 "@ c Blue",
1227 " ........... ",
1228 " .XXXXXXXXXX.o",
1229 " .OOOOOOOOO..o",
1230 " .OoooooooX..o",
1231 " .Oo+...@+X..o",
1232 " .Oo+XXX.+X..o",
1233 " .Oo+....+X..o",
1234 " .Oo++++++X..o",
1235 " .OXXXXXXXX.oo",
1236 " ..........o.o",
1237 " ...........Xo",
1238 " .XXXXXXXXXX.o",
1239 " .o.o.o.o.o...o",
1240 " .oXoXoXoXoXo.o ",
1241 ".XOXXXXXXXXX.o ",
1242 "............o "};
1243
1244 /* Drive */
1245 static const char * file_icons_tbl_drive_xpm[] = {
1246 "16 16 7 1",
1247 " s None c None",
1248 ". c #808080",
1249 "X c #c0c0c0",
1250 "o c Black",
1251 "O c Gray100",
1252 "+ c Green",
1253 "@ c #008000",
1254 " ",
1255 " ",
1256 " ",
1257 " ",
1258 " ............. ",
1259 " .XXXXXXXXXXXX.o",
1260 ".OOOOOOOOOOOO..o",
1261 ".XXXXXXXXX+@X..o",
1262 ".XXXXXXXXXXXX..o",
1263 ".X..........X..o",
1264 ".XOOOOOOOOOOX..o",
1265 "..............o ",
1266 " ooooooooooooo ",
1267 " ",
1268 " ",
1269 " "};
1270
1271 /* CD-ROM */
1272 static const char *file_icons_tbl_cdrom_xpm[] = {
1273 "16 16 10 1",
1274 " s None c None",
1275 ". c #808080",
1276 "X c #c0c0c0",
1277 "o c Yellow",
1278 "O c Blue",
1279 "+ c Black",
1280 "@ c Gray100",
1281 "# c #008080",
1282 "$ c Green",
1283 "% c #008000",
1284 " ... ",
1285 " ..XoX.. ",
1286 " .O.XoXXX+ ",
1287 " ...O.oXXXX+ ",
1288 " .O..X.XXXX+ ",
1289 " ....X.+..XXX+",
1290 " .XXX.+@+.XXX+",
1291 " .X@XX.+.X@@X+",
1292 " .....X...#XX@+ ",
1293 ".@@@...XXo.O@X+ ",
1294 ".@XXX..XXoXOO+ ",
1295 ".@++++..XoX+++ ",
1296 ".@$%@@XX+++X.+ ",
1297 ".............+ ",
1298 " ++++++++++++ ",
1299 " "};
1300
1301 /* Floppy */
1302 static const char * file_icons_tbl_floppy_xpm[] = {
1303 "16 16 7 1",
1304 " s None c None",
1305 ". c #808080",
1306 "X c Gray100",
1307 "o c #c0c0c0",
1308 "O c Black",
1309 "+ c Cyan",
1310 "@ c Red",
1311 " ......X",
1312 " .ooooooO",
1313 " .+++++OO",
1314 " .++++++O",
1315 " .++++++O",
1316 " .ooooooO",
1317 " .......o....oO",
1318 " .oooooo.o.O.XoO",
1319 ".XXXXXXXXOOOOOO ",
1320 ".ooooooooo@o..O ",
1321 ".ooo....oooo..O ",
1322 ".o..OOOO...o..O ",
1323 ".oooXXXXoooo..O ",
1324 ".............O ",
1325 " OOOOOOOOOOOO ",
1326 " "};
1327
1328 /* Removeable */
1329 static const char * file_icons_tbl_removeable_xpm[] = {
1330 "16 16 7 1",
1331 " s None c None",
1332 ". c #808080",
1333 "X c #c0c0c0",
1334 "o c Black",
1335 "O c Gray100",
1336 "+ c Red",
1337 "@ c #800000",
1338 " ",
1339 " ",
1340 " ",
1341 " ............. ",
1342 " .XXXXXXXXXXXX.o",
1343 ".OOOOOOOOOOOO..o",
1344 ".OXXXXXXXXXXX..o",
1345 ".O+@.oooooo.X..o",
1346 ".OXXOooooooOX..o",
1347 ".OXXXOOOOOOXX..o",
1348 ".OXXXXXXXXXXX..o",
1349 ".O............o ",
1350 " ooooooooooooo ",
1351 " ",
1352 " ",
1353 " "};
1354
1355 // ----------------------------------------------------------------------------
1356 // wxFileIconsTable & friends
1357 // ----------------------------------------------------------------------------
1358
1359 // global instance of a wxFileIconsTable
1360 wxFileIconsTable* wxTheFileIconsTable = (wxFileIconsTable *)NULL;
1361
1362 // A module to allow icons table cleanup
1363
1364 class wxFileIconsTableModule: public wxModule
1365 {
1366 DECLARE_DYNAMIC_CLASS(wxFileIconsTableModule)
1367 public:
1368 wxFileIconsTableModule() {}
1369 bool OnInit() { wxTheFileIconsTable = new wxFileIconsTable; return TRUE; }
1370 void OnExit()
1371 {
1372 if (wxTheFileIconsTable)
1373 {
1374 delete wxTheFileIconsTable;
1375 wxTheFileIconsTable = NULL;
1376 }
1377 }
1378 };
1379
1380 IMPLEMENT_DYNAMIC_CLASS(wxFileIconsTableModule, wxModule)
1381
1382 class wxFileIconEntry : public wxObject
1383 {
1384 public:
1385 wxFileIconEntry(int i) { id = i; }
1386
1387 int id;
1388 };
1389
1390 wxFileIconsTable::wxFileIconsTable()
1391 {
1392 m_HashTable = NULL;
1393 m_smallImageList = NULL;
1394 }
1395
1396 wxFileIconsTable::~wxFileIconsTable()
1397 {
1398 if (m_HashTable) delete m_HashTable;
1399 if (m_smallImageList) delete m_smallImageList;
1400 }
1401
1402 // delayed initialization - wait until first use (wxArtProv not created yet)
1403 void wxFileIconsTable::Create()
1404 {
1405 wxCHECK_RET(!m_smallImageList && !m_HashTable, wxT("creating icons twice"));
1406 m_HashTable = new wxHashTable(wxKEY_STRING);
1407 m_smallImageList = new wxImageList(16, 16);
1408
1409 m_HashTable->DeleteContents(TRUE);
1410 // folder:
1411 m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER, wxART_CMN_DIALOG));
1412 // folder_open
1413 m_smallImageList->Add(wxIcon(file_icons_tbl_folder_open_xpm));
1414 // computer
1415 m_smallImageList->Add(wxIcon(file_icons_tbl_computer_xpm));
1416 // drive
1417 m_smallImageList->Add(wxIcon(file_icons_tbl_drive_xpm));
1418 // cdrom
1419 m_smallImageList->Add(wxIcon(file_icons_tbl_cdrom_xpm));
1420 // floppy
1421 m_smallImageList->Add(wxIcon(file_icons_tbl_floppy_xpm));
1422 // removeable
1423 m_smallImageList->Add(wxIcon(file_icons_tbl_removeable_xpm));
1424 // file
1425 m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_NORMAL_FILE, wxART_CMN_DIALOG));
1426 // executable
1427 if (GetIconID(wxEmptyString, _T("application/x-executable")) == file)
1428 {
1429 m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_EXECUTABLE_FILE, wxART_CMN_DIALOG));
1430 m_HashTable->Delete(_T("exe"));
1431 m_HashTable->Put(_T("exe"), new wxFileIconEntry(executable));
1432 }
1433 /* else put into list by GetIconID
1434 (KDE defines application/x-executable for *.exe and has nice icon)
1435 */
1436 }
1437
1438 wxImageList *wxFileIconsTable::GetSmallImageList()
1439 {
1440 if (!m_smallImageList)
1441 Create();
1442
1443 return m_smallImageList;
1444 }
1445
1446 #if wxUSE_MIMETYPE
1447 // VS: we don't need this function w/o wxMimeTypesManager because we'll only have
1448 // one icon and we won't resize it
1449
1450 static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
1451 {
1452 wxImage smallimg (16, 16);
1453 unsigned char *p1, *p2, *ps;
1454 unsigned char mr = img.GetMaskRed(),
1455 mg = img.GetMaskGreen(),
1456 mb = img.GetMaskBlue();
1457
1458 unsigned x, y;
1459 unsigned sr, sg, sb, smask;
1460
1461 p1 = img.GetData(), p2 = img.GetData() + 3 * 32, ps = smallimg.GetData();
1462 smallimg.SetMaskColour(mr, mr, mr);
1463
1464 for (y = 0; y < 16; y++)
1465 {
1466 for (x = 0; x < 16; x++)
1467 {
1468 sr = sg = sb = smask = 0;
1469 if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1470 sr += p1[0], sg += p1[1], sb += p1[2];
1471 else smask++;
1472 p1 += 3;
1473 if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1474 sr += p1[0], sg += p1[1], sb += p1[2];
1475 else smask++;
1476 p1 += 3;
1477 if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1478 sr += p2[0], sg += p2[1], sb += p2[2];
1479 else smask++;
1480 p2 += 3;
1481 if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1482 sr += p2[0], sg += p2[1], sb += p2[2];
1483 else smask++;
1484 p2 += 3;
1485
1486 if (smask > 2)
1487 ps[0] = ps[1] = ps[2] = mr;
1488 else
1489 ps[0] = sr >> 2, ps[1] = sg >> 2, ps[2] = sb >> 2;
1490 ps += 3;
1491 }
1492 p1 += 32 * 3, p2 += 32 * 3;
1493 }
1494
1495 return wxBitmap(smallimg);
1496 }
1497
1498 // finds empty borders and return non-empty area of image:
1499 static wxImage CutEmptyBorders(const wxImage& img)
1500 {
1501 unsigned char mr = img.GetMaskRed(),
1502 mg = img.GetMaskGreen(),
1503 mb = img.GetMaskBlue();
1504 unsigned char *dt = img.GetData(), *dttmp;
1505 unsigned w = img.GetWidth(), h = img.GetHeight();
1506
1507 unsigned top, bottom, left, right, i;
1508 bool empt;
1509
1510 #define MK_DTTMP(x,y) dttmp = dt + ((x + y * w) * 3)
1511 #define NOEMPTY_PIX(empt) if (dttmp[0] != mr || dttmp[1] != mg || dttmp[2] != mb) {empt = FALSE; break;}
1512
1513 for (empt = TRUE, top = 0; empt && top < h; top++)
1514 {
1515 MK_DTTMP(0, top);
1516 for (i = 0; i < w; i++, dttmp+=3)
1517 NOEMPTY_PIX(empt)
1518 }
1519 for (empt = TRUE, bottom = h-1; empt && bottom > top; bottom--)
1520 {
1521 MK_DTTMP(0, bottom);
1522 for (i = 0; i < w; i++, dttmp+=3)
1523 NOEMPTY_PIX(empt)
1524 }
1525 for (empt = TRUE, left = 0; empt && left < w; left++)
1526 {
1527 MK_DTTMP(left, 0);
1528 for (i = 0; i < h; i++, dttmp+=3*w)
1529 NOEMPTY_PIX(empt)
1530 }
1531 for (empt = TRUE, right = w-1; empt && right > left; right--)
1532 {
1533 MK_DTTMP(right, 0);
1534 for (i = 0; i < h; i++, dttmp+=3*w)
1535 NOEMPTY_PIX(empt)
1536 }
1537 top--, left--, bottom++, right++;
1538
1539 return img.GetSubImage(wxRect(left, top, right - left + 1, bottom - top + 1));
1540 }
1541 #endif // wxUSE_MIMETYPE
1542
1543 int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
1544 {
1545 if (!m_smallImageList)
1546 Create();
1547
1548 #if wxUSE_MIMETYPE
1549 if (!extension.IsEmpty())
1550 {
1551 wxFileIconEntry *entry = (wxFileIconEntry*) m_HashTable->Get(extension);
1552 if (entry) return (entry -> id);
1553 }
1554
1555 wxFileType *ft = (mime.IsEmpty()) ?
1556 wxTheMimeTypesManager -> GetFileTypeFromExtension(extension) :
1557 wxTheMimeTypesManager -> GetFileTypeFromMimeType(mime);
1558 wxIcon ic;
1559 if (ft == NULL || (!ft->GetIcon(&ic)) || (!ic.Ok()))
1560 {
1561 int newid = file;
1562 m_HashTable->Put(extension, new wxFileIconEntry(newid));
1563 return newid;
1564 }
1565
1566 wxBitmap tmpBmp;
1567 tmpBmp.CopyFromIcon(ic);
1568 wxImage img = tmpBmp.ConvertToImage();
1569
1570 delete ft;
1571
1572 int id = m_smallImageList->GetImageCount();
1573 if (img.GetWidth() == 16 && img.GetHeight() == 16)
1574 m_smallImageList->Add(wxBitmap(img));
1575 else
1576 {
1577 if (img.GetWidth() != 32 || img.GetHeight() != 32)
1578 m_smallImageList->Add(CreateAntialiasedBitmap(CutEmptyBorders(img).Rescale(32, 32)));
1579 else
1580 m_smallImageList->Add(CreateAntialiasedBitmap(img));
1581 }
1582 m_HashTable->Put(extension, new wxFileIconEntry(id));
1583 return id;
1584
1585 #else // !wxUSE_MIMETYPE
1586
1587 if (extension == wxT("exe"))
1588 return executable;
1589 else
1590 return file;
1591 #endif // wxUSE_MIMETYPE/!wxUSE_MIMETYPE
1592 }
1593
1594 #endif // wxUSE_DIRDLG
wxWidgets (Impactor)