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