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