projects / wxWidgets.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
Removed a spurious print statement
[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 void wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
533 {
534 wxDirItemData *dir_item = new wxDirItemData(path,name,TRUE);
535
536 wxTreeItemId id = m_treeCtrl->AppendItem( m_rootId, name, imageId, -1, dir_item);
537
538 m_treeCtrl->SetItemHasChildren(id);
539 }
540
541 void wxGenericDirCtrl::SetupSections()
542 {
543 wxArrayString paths, names;
544 wxArrayInt icons;
545
546 size_t n, count = wxGetAvailableDrives(paths, names, icons);
547
548 for (n = 0; n < count; n++)
549 {
550 AddSection(paths[n], names[n], icons[n]);
551 }
552 }
553
554 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
555 {
556 // don't rename the main entry "Sections"
557 if (event.GetItem() == m_rootId)
558 {
559 event.Veto();
560 return;
561 }
562
563 // don't rename the individual sections
564 if (m_treeCtrl->GetItemParent( event.GetItem() ) == m_rootId)
565 {
566 event.Veto();
567 return;
568 }
569 }
570
571 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
572 {
573 if ((event.GetLabel().IsEmpty()) ||
574 (event.GetLabel() == _(".")) ||
575 (event.GetLabel() == _("..")) ||
576 (event.GetLabel().Find(wxT('/')) != wxNOT_FOUND) ||
577 (event.GetLabel().Find(wxT('\\')) != wxNOT_FOUND) ||
578 (event.GetLabel().Find(wxT('|')) != wxNOT_FOUND))
579 {
580 wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
581 dialog.ShowModal();
582 event.Veto();
583 return;
584 }
585
586 wxTreeItemId id = event.GetItem();
587 wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
588 wxASSERT( data );
589
590 wxString new_name( wxPathOnly( data->m_path ) );
591 new_name += wxString(wxFILE_SEP_PATH);
592 new_name += event.GetLabel();
593
594 wxLogNull log;
595
596 if (wxFileExists(new_name))
597 {
598 wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
599 dialog.ShowModal();
600 event.Veto();
601 }
602
603 if (wxRenameFile(data->m_path,new_name))
604 {
605 data->SetNewDirName( new_name );
606 }
607 else
608 {
609 wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
610 dialog.ShowModal();
611 event.Veto();
612 }
613 }
614
615 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
616 {
617 wxTreeItemId parentId = event.GetItem();
618
619 // VS: this is needed because the event handler is called from wxTreeCtrl
620 // ctor when wxTR_HIDE_ROOT was specified
621
622 if (!m_rootId.IsOk())
623
624 m_rootId = m_treeCtrl->GetRootItem();
625
626 ExpandDir(parentId);
627 }
628
629 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
630 {
631 CollapseDir(event.GetItem());
632 }
633
634 void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
635 {
636 wxTreeItemId child;
637
638 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
639 if (!data->m_isExpanded)
640 return;
641
642 data->m_isExpanded = FALSE;
643 long cookie;
644 /* Workaround because DeleteChildren has disapeared (why?) and
645 * CollapseAndReset doesn't work as advertised (deletes parent too) */
646 child = m_treeCtrl->GetFirstChild(parentId, cookie);
647 while (child.IsOk())
648 {
649 m_treeCtrl->Delete(child);
650 /* Not GetNextChild below, because the cookie mechanism can't
651 * handle disappearing children! */
652 child = m_treeCtrl->GetFirstChild(parentId, cookie);
653 }
654 }
655
656 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
657 {
658 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
659
660 if (data->m_isExpanded)
661 return;
662
663 data->m_isExpanded = TRUE;
664
665 if (parentId == m_treeCtrl->GetRootItem())
666 {
667 SetupSections();
668 return;
669 }
670
671 wxASSERT(data);
672
673 wxString search,path,filename;
674
675 wxString dirName(data->m_path);
676
677 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
678 // Check if this is a root directory and if so,
679 // whether the drive is avaiable.
680 if (!wxIsDriveAvailable(dirName))
681 {
682 data->m_isExpanded = FALSE;
683 //wxMessageBox(wxT("Sorry, this drive is not available."));
684 return;
685 }
686 #endif
687
688 // This may take a longish time. Go to busy cursor
689 wxBusyCursor busy;
690
691 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
692 if (dirName.Last() == ':')
693 dirName += wxString(wxFILE_SEP_PATH);
694 #endif
695
696 wxArrayString dirs;
697 wxArrayString filenames;
698
699 wxDir d;
700 wxString eachFilename;
701
702 wxLogNull log;
703 d.Open(dirName);
704
705 if (d.IsOpened())
706 {
707 int style = wxDIR_DIRS;
708 if (m_showHidden) style |= wxDIR_HIDDEN;
709 if (d.GetFirst(& eachFilename, wxEmptyString, style))
710 {
711 do
712 {
713 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
714 {
715 dirs.Add(eachFilename);
716 }
717 }
718 while (d.GetNext(& eachFilename));
719 }
720 }
721 dirs.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
722
723 // Now do the filenames -- but only if we're allowed to
724 if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
725 {
726 wxLogNull log;
727
728 d.Open(dirName);
729
730 if (d.IsOpened())
731 {
732 if (d.GetFirst(& eachFilename, m_currentFilterStr, wxDIR_FILES))
733 {
734 do
735 {
736 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
737 {
738 filenames.Add(eachFilename);
739 }
740 }
741 while (d.GetNext(& eachFilename));
742 }
743 }
744 filenames.Sort((wxArrayString::CompareFunction) wxDirCtrlStringCompareFunction);
745 }
746
747 // Add the sorted dirs
748 size_t i;
749 for (i = 0; i < dirs.Count(); i++)
750 {
751 wxString eachFilename(dirs[i]);
752 path = dirName;
753 if (!wxEndsWithPathSeparator(path))
754 path += wxString(wxFILE_SEP_PATH);
755 path += eachFilename;
756
757 wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,TRUE);
758 wxTreeItemId id = m_treeCtrl->AppendItem( parentId, eachFilename,
759 wxFileIconsTable::folder, -1, dir_item);
760 m_treeCtrl->SetItemImage( id, wxFileIconsTable::folder_open,
761 wxTreeItemIcon_Expanded );
762
763 // Has this got any children? If so, make it expandable.
764 // (There are two situations when a dir has children: either it
765 // has subdirectories or it contains files that weren't filtered
766 // out. The latter only applies to dirctrl with files.)
767 if ( dir_item->HasSubDirs() ||
768 (((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0) &&
769 dir_item->HasFiles(m_currentFilterStr)) )
770 {
771 m_treeCtrl->SetItemHasChildren(id);
772 }
773 }
774
775 // Add the sorted filenames
776 if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
777 {
778 for (i = 0; i < filenames.Count(); i++)
779 {
780 wxString eachFilename(filenames[i]);
781 path = dirName;
782 if (!wxEndsWithPathSeparator(path))
783 path += wxString(wxFILE_SEP_PATH);
784 path += eachFilename;
785 //path = dirName + wxString(wxT("/")) + eachFilename;
786 wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,FALSE);
787 int image_id = wxFileIconsTable::file;
788 if (eachFilename.Find(wxT('.')) != wxNOT_FOUND)
789 image_id = wxTheFileIconsTable->GetIconID(eachFilename.AfterLast(wxT('.')));
790 (void)m_treeCtrl->AppendItem( parentId, eachFilename, image_id, -1, dir_item);
791 }
792 }
793 }
794
795 void wxGenericDirCtrl::ReCreateTree()
796 {
797 CollapseDir(m_treeCtrl->GetRootItem());
798 ExpandDir(m_treeCtrl->GetRootItem());
799 }
800
801 // Find the child that matches the first part of 'path'.
802 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
803 // then the child for /usr is returned.
804 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
805 {
806 wxString path2(path);
807
808 // Make sure all separators are as per the current platform
809 path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
810 path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
811
812 // Append a separator to foil bogus substring matching
813 path2 += wxString(wxFILE_SEP_PATH);
814
815 // In MSW or PM, case is not significant
816 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
817 path2.MakeLower();
818 #endif
819
820 long cookie;
821 wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
822 while (childId.IsOk())
823 {
824 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
825
826 if (data && !data->m_path.IsEmpty())
827 {
828 wxString childPath(data->m_path);
829 if (!wxEndsWithPathSeparator(childPath))
830 childPath += wxString(wxFILE_SEP_PATH);
831
832 // In MSW and PM, case is not significant
833 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
834 childPath.MakeLower();
835 #endif
836
837 if (childPath.Len() <= path2.Len())
838 {
839 wxString path3 = path2.Mid(0, childPath.Len());
840 if (childPath == path3)
841 {
842 if (path3.Len() == path2.Len())
843 done = TRUE;
844 else
845 done = FALSE;
846 return childId;
847 }
848 }
849 }
850
851 childId = m_treeCtrl->GetNextChild(parentId, cookie);
852 }
853 wxTreeItemId invalid;
854 return invalid;
855 }
856
857 // Try to expand as much of the given path as possible,
858 // and select the given tree item.
859 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
860 {
861 bool done = FALSE;
862 wxTreeItemId id = FindChild(m_rootId, path, done);
863 wxTreeItemId lastId = id; // The last non-zero id
864 while (id.IsOk() && !done)
865 {
866 ExpandDir(id);
867
868 id = FindChild(id, path, done);
869 if (id.IsOk())
870 lastId = id;
871 }
872 if (lastId.IsOk())
873 {
874 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
875 if (data->m_isDir)
876 {
877 m_treeCtrl->Expand(lastId);
878 }
879 if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
880 {
881 // Find the first file in this directory
882 long cookie;
883 wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
884 bool selectedChild = FALSE;
885 while (childId.IsOk())
886 {
887 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
888
889 if (data && data->m_path != wxT("") && !data->m_isDir)
890 {
891 m_treeCtrl->SelectItem(childId);
892 m_treeCtrl->EnsureVisible(childId);
893 selectedChild = TRUE;
894 break;
895 }
896 childId = m_treeCtrl->GetNextChild(lastId, cookie);
897 }
898 if (!selectedChild)
899 {
900 m_treeCtrl->SelectItem(lastId);
901 m_treeCtrl->EnsureVisible(lastId);
902 }
903 }
904 else
905 {
906 m_treeCtrl->SelectItem(lastId);
907 m_treeCtrl->EnsureVisible(lastId);
908 }
909
910 return TRUE;
911 }
912 else
913 return FALSE;
914 }
915
916 wxString wxGenericDirCtrl::GetPath() const
917 {
918 wxTreeItemId id = m_treeCtrl->GetSelection();
919 if (id)
920 {
921 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
922 return data->m_path;
923 }
924 else
925 return wxEmptyString;
926 }
927
928 wxString wxGenericDirCtrl::GetFilePath() const
929 {
930 wxTreeItemId id = m_treeCtrl->GetSelection();
931 if (id)
932 {
933 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
934 if (data->m_isDir)
935 return wxEmptyString;
936 else
937 return data->m_path;
938 }
939 else
940 return wxEmptyString;
941 }
942
943 void wxGenericDirCtrl::SetPath(const wxString& path)
944 {
945 m_defaultPath = path;
946 if (m_rootId)
947 ExpandPath(path);
948 }
949
950 // Not used
951 #if 0
952 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
953 {
954 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
955
956 // This may take a longish time. Go to busy cursor
957 wxBusyCursor busy;
958
959 wxASSERT(data);
960
961 wxString search,path,filename;
962
963 wxString dirName(data->m_path);
964
965 #if defined(__WXMSW__) || defined(__WXPM__)
966 if (dirName.Last() == ':')
967 dirName += wxString(wxFILE_SEP_PATH);
968 #endif
969
970 wxDir d;
971 wxString eachFilename;
972
973 wxLogNull log;
974 d.Open(dirName);
975
976 if (d.IsOpened())
977 {
978 if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
979 {
980 do
981 {
982 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
983 {
984 filenames.Add(eachFilename);
985 }
986 }
987 while (d.GetNext(& eachFilename)) ;
988 }
989 }
990 }
991 #endif
992
993 void wxGenericDirCtrl::SetFilterIndex(int n)
994 {
995 m_currentFilter = n;
996
997 wxString f, d;
998 if (ExtractWildcard(m_filter, n, f, d))
999 m_currentFilterStr = f;
1000 else
1001 m_currentFilterStr = wxT("*.*");
1002 }
1003
1004 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1005 {
1006 m_filter = filter;
1007
1008 wxString f, d;
1009 if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1010 m_currentFilterStr = f;
1011 else
1012 m_currentFilterStr = wxT("*.*");
1013 }
1014
1015 // Extract description and actual filter from overall filter string
1016 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1017 {
1018 wxArrayString filters, descriptions;
1019 int count = ParseFilter(filterStr, filters, descriptions);
1020 if (count > 0 && n < count)
1021 {
1022 filter = filters[n];
1023 description = descriptions[n];
1024 return TRUE;
1025 }
1026
1027 return FALSE;
1028 }
1029
1030 // Parses the global filter, returning the number of filters.
1031 // Returns 0 if none or if there's a problem.
1032 // filterStr is in the form:
1033 //
1034 // "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpg"
1035
1036 int wxGenericDirCtrl::ParseFilter(const wxString& filterStr, wxArrayString& filters, wxArrayString& descriptions)
1037 {
1038 wxString str(filterStr);
1039
1040 wxString description, filter;
1041 int pos;
1042 bool finished = FALSE;
1043 do
1044 {
1045 pos = str.Find(wxT('|'));
1046 if (pos == -1)
1047 return 0; // Problem
1048 description = str.Left(pos);
1049 str = str.Mid(pos+1);
1050 pos = str.Find(wxT('|'));
1051 if (pos == -1)
1052 {
1053 filter = str;
1054 finished = TRUE;
1055 }
1056 else
1057 {
1058 filter = str.Left(pos);
1059 str = str.Mid(pos+1);
1060 }
1061 descriptions.Add(description);
1062 filters.Add(filter);
1063 }
1064 while (!finished) ;
1065
1066 return filters.Count();
1067 }
1068
1069 void wxGenericDirCtrl::DoResize()
1070 {
1071 wxSize sz = GetClientSize();
1072 int verticalSpacing = 3;
1073 if (m_treeCtrl)
1074 {
1075 wxSize filterSz ;
1076 if (m_filterListCtrl)
1077 {
1078 #ifdef __WXMSW__
1079 // For some reason, this is required in order for the
1080 // correct control height to always be returned, rather
1081 // than the drop-down list height which is sometimes returned.
1082 wxSize oldSize = m_filterListCtrl->GetSize();
1083 m_filterListCtrl->SetSize(-1, -1, oldSize.x+10, -1, wxSIZE_USE_EXISTING);
1084 m_filterListCtrl->SetSize(-1, -1, oldSize.x, -1, wxSIZE_USE_EXISTING);
1085 #endif
1086 filterSz = m_filterListCtrl->GetSize();
1087 sz.y -= (filterSz.y + verticalSpacing);
1088 }
1089 m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1090 if (m_filterListCtrl)
1091 {
1092 m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1093 // Don't know why, but this needs refreshing after a resize (wxMSW)
1094 m_filterListCtrl->Refresh();
1095 }
1096 }
1097 }
1098
1099
1100 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1101 {
1102 DoResize();
1103 }
1104
1105 //-----------------------------------------------------------------------------
1106 // wxDirFilterListCtrl
1107 //-----------------------------------------------------------------------------
1108
1109 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1110
1111 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1112 EVT_CHOICE(-1, wxDirFilterListCtrl::OnSelFilter)
1113 END_EVENT_TABLE()
1114
1115 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
1116 const wxPoint& pos,
1117 const wxSize& size,
1118 long style)
1119 {
1120 m_dirCtrl = parent;
1121 return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1122 }
1123
1124 void wxDirFilterListCtrl::Init()
1125 {
1126 m_dirCtrl = NULL;
1127 }
1128
1129 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1130 {
1131 int sel = GetSelection();
1132
1133 wxString currentPath = m_dirCtrl->GetPath();
1134
1135 m_dirCtrl->SetFilterIndex(sel);
1136
1137 // If the filter has changed, the view is out of date, so
1138 // collapse the tree.
1139 m_dirCtrl->ReCreateTree();
1140
1141 // Try to restore the selection, or at least the directory
1142 m_dirCtrl->ExpandPath(currentPath);
1143 }
1144
1145 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1146 {
1147 Clear();
1148 wxArrayString descriptions, filters;
1149 size_t n = (size_t) m_dirCtrl->ParseFilter(filter, filters, descriptions);
1150
1151 if (n > 0 && defaultFilter < (int) n)
1152 {
1153 size_t i = 0;
1154 for (i = 0; i < n; i++)
1155 Append(descriptions[i]);
1156 SetSelection(defaultFilter);
1157 }
1158 }
1159
1160 // ----------------------------------------------------------------------------
1161 // wxFileIconsTable icons
1162 // ----------------------------------------------------------------------------
1163
1164 /* Open folder */
1165 static const char * file_icons_tbl_folder_open_xpm[] = {
1166 /* width height ncolors chars_per_pixel */
1167 "16 16 6 1",
1168 /* colors */
1169 " s None c None",
1170 ". c #000000",
1171 "+ c #c0c0c0",
1172 "@ c #808080",
1173 "# c #ffff00",
1174 "$ c #ffffff",
1175 /* pixels */
1176 " ",
1177 " @@@@@ ",
1178 " @$$$$$@ ",
1179 " @$#+#+#$@@@@@@ ",
1180 " @$+#+#+$$$$$$@.",
1181 " @$#+#+#+#+#+#@.",
1182 "@@@@@@@@@@@@@#@.",
1183 "@$$$$$$$$$$@@+@.",
1184 "@$#+#+#+#+##.@@.",
1185 " @$#+#+#+#+#+.@.",
1186 " @$+#+#+#+#+#.@.",
1187 " @$+#+#+#+##@..",
1188 " @@@@@@@@@@@@@.",
1189 " .............",
1190 " ",
1191 " "};
1192
1193 /* Computer */
1194 static const char * file_icons_tbl_computer_xpm[] = {
1195 "16 16 7 1",
1196 " s None c None",
1197 ". c #808080",
1198 "X c #c0c0c0",
1199 "o c Black",
1200 "O c Gray100",
1201 "+ c #008080",
1202 "@ c Blue",
1203 " ........... ",
1204 " .XXXXXXXXXX.o",
1205 " .OOOOOOOOO..o",
1206 " .OoooooooX..o",
1207 " .Oo+...@+X..o",
1208 " .Oo+XXX.+X..o",
1209 " .Oo+....+X..o",
1210 " .Oo++++++X..o",
1211 " .OXXXXXXXX.oo",
1212 " ..........o.o",
1213 " ...........Xo",
1214 " .XXXXXXXXXX.o",
1215 " .o.o.o.o.o...o",
1216 " .oXoXoXoXoXo.o ",
1217 ".XOXXXXXXXXX.o ",
1218 "............o "};
1219
1220 /* Drive */
1221 static const char * file_icons_tbl_drive_xpm[] = {
1222 "16 16 7 1",
1223 " s None c None",
1224 ". c #808080",
1225 "X c #c0c0c0",
1226 "o c Black",
1227 "O c Gray100",
1228 "+ c Green",
1229 "@ c #008000",
1230 " ",
1231 " ",
1232 " ",
1233 " ",
1234 " ............. ",
1235 " .XXXXXXXXXXXX.o",
1236 ".OOOOOOOOOOOO..o",
1237 ".XXXXXXXXX+@X..o",
1238 ".XXXXXXXXXXXX..o",
1239 ".X..........X..o",
1240 ".XOOOOOOOOOOX..o",
1241 "..............o ",
1242 " ooooooooooooo ",
1243 " ",
1244 " ",
1245 " "};
1246
1247 /* CD-ROM */
1248 static const char *file_icons_tbl_cdrom_xpm[] = {
1249 "16 16 10 1",
1250 " s None c None",
1251 ". c #808080",
1252 "X c #c0c0c0",
1253 "o c Yellow",
1254 "O c Blue",
1255 "+ c Black",
1256 "@ c Gray100",
1257 "# c #008080",
1258 "$ c Green",
1259 "% c #008000",
1260 " ... ",
1261 " ..XoX.. ",
1262 " .O.XoXXX+ ",
1263 " ...O.oXXXX+ ",
1264 " .O..X.XXXX+ ",
1265 " ....X.+..XXX+",
1266 " .XXX.+@+.XXX+",
1267 " .X@XX.+.X@@X+",
1268 " .....X...#XX@+ ",
1269 ".@@@...XXo.O@X+ ",
1270 ".@XXX..XXoXOO+ ",
1271 ".@++++..XoX+++ ",
1272 ".@$%@@XX+++X.+ ",
1273 ".............+ ",
1274 " ++++++++++++ ",
1275 " "};
1276
1277 /* Floppy */
1278 static const char * file_icons_tbl_floppy_xpm[] = {
1279 "16 16 7 1",
1280 " s None c None",
1281 ". c #808080",
1282 "X c Gray100",
1283 "o c #c0c0c0",
1284 "O c Black",
1285 "+ c Cyan",
1286 "@ c Red",
1287 " ......X",
1288 " .ooooooO",
1289 " .+++++OO",
1290 " .++++++O",
1291 " .++++++O",
1292 " .ooooooO",
1293 " .......o....oO",
1294 " .oooooo.o.O.XoO",
1295 ".XXXXXXXXOOOOOO ",
1296 ".ooooooooo@o..O ",
1297 ".ooo....oooo..O ",
1298 ".o..OOOO...o..O ",
1299 ".oooXXXXoooo..O ",
1300 ".............O ",
1301 " OOOOOOOOOOOO ",
1302 " "};
1303
1304 /* Removeable */
1305 static const char * file_icons_tbl_removeable_xpm[] = {
1306 "16 16 7 1",
1307 " s None c None",
1308 ". c #808080",
1309 "X c #c0c0c0",
1310 "o c Black",
1311 "O c Gray100",
1312 "+ c Red",
1313 "@ c #800000",
1314 " ",
1315 " ",
1316 " ",
1317 " ............. ",
1318 " .XXXXXXXXXXXX.o",
1319 ".OOOOOOOOOOOO..o",
1320 ".OXXXXXXXXXXX..o",
1321 ".O+@.oooooo.X..o",
1322 ".OXXOooooooOX..o",
1323 ".OXXXOOOOOOXX..o",
1324 ".OXXXXXXXXXXX..o",
1325 ".O............o ",
1326 " ooooooooooooo ",
1327 " ",
1328 " ",
1329 " "};
1330
1331 // ----------------------------------------------------------------------------
1332 // wxFileIconsTable & friends
1333 // ----------------------------------------------------------------------------
1334
1335 // global instance of a wxFileIconsTable
1336 wxFileIconsTable* wxTheFileIconsTable = (wxFileIconsTable *)NULL;
1337
1338 // A module to allow icons table cleanup
1339
1340 class wxFileIconsTableModule: public wxModule
1341 {
1342 DECLARE_DYNAMIC_CLASS(wxFileIconsTableModule)
1343 public:
1344 wxFileIconsTableModule() {}
1345 bool OnInit() { wxTheFileIconsTable = new wxFileIconsTable; return TRUE; }
1346 void OnExit()
1347 {
1348 if (wxTheFileIconsTable)
1349 {
1350 delete wxTheFileIconsTable;
1351 wxTheFileIconsTable = NULL;
1352 }
1353 }
1354 };
1355
1356 IMPLEMENT_DYNAMIC_CLASS(wxFileIconsTableModule, wxModule)
1357
1358 class wxFileIconEntry : public wxObject
1359 {
1360 public:
1361 wxFileIconEntry(int i) { id = i; }
1362
1363 int id;
1364 };
1365
1366 wxFileIconsTable::wxFileIconsTable()
1367 {
1368 m_HashTable = NULL;
1369 m_smallImageList = NULL;
1370 }
1371
1372 wxFileIconsTable::~wxFileIconsTable()
1373 {
1374 if (m_HashTable) delete m_HashTable;
1375 if (m_smallImageList) delete m_smallImageList;
1376 }
1377
1378 // delayed initialization - wait until first use (wxArtProv not created yet)
1379 void wxFileIconsTable::Create()
1380 {
1381 wxCHECK_RET(!m_smallImageList && !m_HashTable, wxT("creating icons twice"));
1382 m_HashTable = new wxHashTable(wxKEY_STRING);
1383 m_smallImageList = new wxImageList(16, 16);
1384
1385 m_HashTable->DeleteContents(TRUE);
1386 // folder:
1387 m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER, wxART_CMN_DIALOG));
1388 // folder_open
1389 m_smallImageList->Add(wxIcon(file_icons_tbl_folder_open_xpm));
1390 // computer
1391 m_smallImageList->Add(wxIcon(file_icons_tbl_computer_xpm));
1392 // drive
1393 m_smallImageList->Add(wxIcon(file_icons_tbl_drive_xpm));
1394 // cdrom
1395 m_smallImageList->Add(wxIcon(file_icons_tbl_cdrom_xpm));
1396 // floppy
1397 m_smallImageList->Add(wxIcon(file_icons_tbl_floppy_xpm));
1398 // removeable
1399 m_smallImageList->Add(wxIcon(file_icons_tbl_removeable_xpm));
1400 // file
1401 m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_NORMAL_FILE, wxART_CMN_DIALOG));
1402 // executable
1403 if (GetIconID(wxEmptyString, _T("application/x-executable")) == file)
1404 {
1405 m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_EXECUTABLE_FILE, wxART_CMN_DIALOG));
1406 m_HashTable->Delete(_T("exe"));
1407 m_HashTable->Put(_T("exe"), new wxFileIconEntry(executable));
1408 }
1409 /* else put into list by GetIconID
1410 (KDE defines application/x-executable for *.exe and has nice icon)
1411 */
1412 }
1413
1414 wxImageList *wxFileIconsTable::GetSmallImageList()
1415 {
1416 if (!m_smallImageList)
1417 Create();
1418
1419 return m_smallImageList;
1420 }
1421
1422 #if wxUSE_MIMETYPE
1423 // VS: we don't need this function w/o wxMimeTypesManager because we'll only have
1424 // one icon and we won't resize it
1425
1426 static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
1427 {
1428 wxImage smallimg (16, 16);
1429 unsigned char *p1, *p2, *ps;
1430 unsigned char mr = img.GetMaskRed(),
1431 mg = img.GetMaskGreen(),
1432 mb = img.GetMaskBlue();
1433
1434 unsigned x, y;
1435 unsigned sr, sg, sb, smask;
1436
1437 p1 = img.GetData(), p2 = img.GetData() + 3 * 32, ps = smallimg.GetData();
1438 smallimg.SetMaskColour(mr, mr, mr);
1439
1440 for (y = 0; y < 16; y++)
1441 {
1442 for (x = 0; x < 16; x++)
1443 {
1444 sr = sg = sb = smask = 0;
1445 if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1446 sr += p1[0], sg += p1[1], sb += p1[2];
1447 else smask++;
1448 p1 += 3;
1449 if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1450 sr += p1[0], sg += p1[1], sb += p1[2];
1451 else smask++;
1452 p1 += 3;
1453 if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1454 sr += p2[0], sg += p2[1], sb += p2[2];
1455 else smask++;
1456 p2 += 3;
1457 if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1458 sr += p2[0], sg += p2[1], sb += p2[2];
1459 else smask++;
1460 p2 += 3;
1461
1462 if (smask > 2)
1463 ps[0] = ps[1] = ps[2] = mr;
1464 else
1465 ps[0] = sr >> 2, ps[1] = sg >> 2, ps[2] = sb >> 2;
1466 ps += 3;
1467 }
1468 p1 += 32 * 3, p2 += 32 * 3;
1469 }
1470
1471 return wxBitmap(smallimg);
1472 }
1473
1474 // finds empty borders and return non-empty area of image:
1475 static wxImage CutEmptyBorders(const wxImage& img)
1476 {
1477 unsigned char mr = img.GetMaskRed(),
1478 mg = img.GetMaskGreen(),
1479 mb = img.GetMaskBlue();
1480 unsigned char *dt = img.GetData(), *dttmp;
1481 unsigned w = img.GetWidth(), h = img.GetHeight();
1482
1483 unsigned top, bottom, left, right, i;
1484 bool empt;
1485
1486 #define MK_DTTMP(x,y) dttmp = dt + ((x + y * w) * 3)
1487 #define NOEMPTY_PIX(empt) if (dttmp[0] != mr || dttmp[1] != mg || dttmp[2] != mb) {empt = FALSE; break;}
1488
1489 for (empt = TRUE, top = 0; empt && top < h; top++)
1490 {
1491 MK_DTTMP(0, top);
1492 for (i = 0; i < w; i++, dttmp+=3)
1493 NOEMPTY_PIX(empt)
1494 }
1495 for (empt = TRUE, bottom = h-1; empt && bottom > top; bottom--)
1496 {
1497 MK_DTTMP(0, bottom);
1498 for (i = 0; i < w; i++, dttmp+=3)
1499 NOEMPTY_PIX(empt)
1500 }
1501 for (empt = TRUE, left = 0; empt && left < w; left++)
1502 {
1503 MK_DTTMP(left, 0);
1504 for (i = 0; i < h; i++, dttmp+=3*w)
1505 NOEMPTY_PIX(empt)
1506 }
1507 for (empt = TRUE, right = w-1; empt && right > left; right--)
1508 {
1509 MK_DTTMP(right, 0);
1510 for (i = 0; i < h; i++, dttmp+=3*w)
1511 NOEMPTY_PIX(empt)
1512 }
1513 top--, left--, bottom++, right++;
1514
1515 return img.GetSubImage(wxRect(left, top, right - left + 1, bottom - top + 1));
1516 }
1517 #endif // wxUSE_MIMETYPE
1518
1519 int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
1520 {
1521 if (!m_smallImageList)
1522 Create();
1523
1524 #if wxUSE_MIMETYPE
1525 if (!extension.IsEmpty())
1526 {
1527 wxFileIconEntry *entry = (wxFileIconEntry*) m_HashTable->Get(extension);
1528 if (entry) return (entry -> id);
1529 }
1530
1531 wxFileType *ft = (mime.IsEmpty()) ?
1532 wxTheMimeTypesManager -> GetFileTypeFromExtension(extension) :
1533 wxTheMimeTypesManager -> GetFileTypeFromMimeType(mime);
1534 wxIcon ic;
1535 if (ft == NULL || (!ft->GetIcon(&ic)) || (!ic.Ok()))
1536 {
1537 int newid = file;
1538 m_HashTable->Put(extension, new wxFileIconEntry(newid));
1539 return newid;
1540 }
1541
1542 wxBitmap tmpBmp;
1543 tmpBmp.CopyFromIcon(ic);
1544 wxImage img = tmpBmp.ConvertToImage();
1545
1546 delete ft;
1547
1548 int id = m_smallImageList->GetImageCount();
1549 if (img.GetWidth() == 16 && img.GetHeight() == 16)
1550 m_smallImageList->Add(wxBitmap(img));
1551 else
1552 {
1553 if (img.GetWidth() != 32 || img.GetHeight() != 32)
1554 m_smallImageList->Add(CreateAntialiasedBitmap(CutEmptyBorders(img).Rescale(32, 32)));
1555 else
1556 m_smallImageList->Add(CreateAntialiasedBitmap(img));
1557 }
1558 m_HashTable->Put(extension, new wxFileIconEntry(id));
1559 return id;
1560
1561 #else // !wxUSE_MIMETYPE
1562
1563 if (extension == wxT("exe"))
1564 return executable;
1565 else
1566 return file;
1567 #endif // wxUSE_MIMETYPE/!wxUSE_MIMETYPE
1568 }
1569
1570 #endif // wxUSE_DIRDLG
wxWidgets (Impactor)