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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 #if defined(__GNUG__) && !defined(NO_GCC_PRAGMA)
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 #include "wx/filedlg.h" // for wxFileDialogBase::ParseWildcard
51
52 #if wxUSE_STATLINE
53 #include "wx/statline.h"
54 #endif
55
56 #if defined(__WXMAC__)
57 #include "wx/mac/private.h" // includes mac headers
58 #endif
59
60 #ifdef __WXMSW__
61 #include <windows.h>
62
63 // FIXME - Mingw32 1.0 has both _getdrive() and _chdrive(). For now, let's assume
64 // older releases don't, but it should be verified and the checks modified
65 // accordingly.
66 #if !defined(__GNUWIN32__) || (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
67 #if !defined(__WXWINCE__)
68 #include <direct.h>
69 #endif
70 #include <stdlib.h>
71 #include <ctype.h>
72 #endif
73
74 #endif
75
76 #ifdef __WXPM__
77
78 #define INCL_BASE
79 #include <os2.h>
80 #ifndef __EMX__
81 #include <direct.h>
82 #endif
83 #include <stdlib.h>
84 #include <ctype.h>
85 extern bool wxIsDriveAvailable(const wxString& dirName);
86 #endif // __WXPM__
87
88 #if defined(__WXMAC__)
89 # ifdef __DARWIN__
90 # include "MoreFilesX.h"
91 # else
92 # include "MoreFilesExtras.h"
93 # endif
94 #endif
95
96 #ifdef __BORLANDC__
97 #include "dos.h"
98 #endif
99
100 // If compiled under Windows, this macro can cause problems
101 #ifdef GetFirstChild
102 #undef GetFirstChild
103 #endif
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 __WXWINCE__
114 // No logical drives; return "\"
115 paths.Add(wxT("\\"));
116 names.Add(wxT("\\"));
117 return 1;
118 #elif defined(__WIN32__)
119 wxChar driveBuffer[256];
120 size_t n = (size_t) GetLogicalDriveStrings(255, driveBuffer);
121 size_t i = 0;
122 while (i < n)
123 {
124 wxString path, name;
125 path.Printf(wxT("%c:\\"), driveBuffer[i]);
126 name.Printf(wxT("%c:"), driveBuffer[i]);
127
128 int imageId = wxFileIconsTable::drive;
129 int driveType = ::GetDriveType(path);
130 switch (driveType)
131 {
132 case DRIVE_REMOVABLE:
133 if (path == wxT("a:\\") || path == wxT("b:\\"))
134 imageId = wxFileIconsTable::floppy;
135 else
136 imageId = wxFileIconsTable::removeable;
137 break;
138 case DRIVE_CDROM:
139 imageId = wxFileIconsTable::cdrom;
140 break;
141 case DRIVE_REMOTE:
142 case DRIVE_FIXED:
143 default:
144 imageId = wxFileIconsTable::drive;
145 break;
146 }
147
148 paths.Add(path);
149 names.Add(name);
150 icon_ids.Add(imageId);
151
152 while (driveBuffer[i] != wxT('\0'))
153 i ++;
154 i ++;
155 if (driveBuffer[i] == wxT('\0'))
156 break;
157 }
158 #else // !__WIN32__
159 int drive;
160
161 /* If we can switch to the drive, it exists. */
162 for( drive = 1; drive <= 26; drive++ )
163 {
164 wxString path, name;
165 path.Printf(wxT("%c:\\"), (char) (drive + 'a' - 1));
166 name.Printf(wxT("%c:"), (char) (drive + 'A' - 1));
167
168 if (wxIsDriveAvailable(path))
169 {
170 paths.Add(path);
171 names.Add(name);
172 icon_ids.Add((drive <= 2) ? wxFileIconsTable::floppy : wxFileIconsTable::drive);
173 }
174 }
175 #endif // __WIN32__/!__WIN32__
176
177 #elif defined(__WXMAC__)
178 #ifdef __DARWIN__
179 FSRef **theVolRefs;
180 ItemCount theVolCount;
181 char thePath[FILENAME_MAX];
182
183 if (FSGetMountedVolumes(&theVolRefs, &theVolCount) == noErr) {
184 ItemCount index;
185 ::HLock( (Handle)theVolRefs ) ;
186 for (index = 0; index < theVolCount; ++index) {
187 // get the POSIX path associated with the FSRef
188 if ( FSRefMakePath(&((*theVolRefs)[index]),
189 (UInt8 *)thePath, sizeof(thePath)) != noErr ) {
190 continue;
191 }
192 // add path separator at end if necessary
193 wxString path( thePath , wxConvLocal) ;
194 if (path.Last() != wxFILE_SEP_PATH) {
195 path += wxFILE_SEP_PATH;
196 }
197 // get Mac volume name for display
198 FSVolumeRefNum vRefNum ;
199 HFSUniStr255 volumeName ;
200
201 if ( FSGetVRefNum(&((*theVolRefs)[index]), &vRefNum) != noErr ) {
202 continue;
203 }
204 if ( FSGetVInfo(vRefNum, &volumeName, NULL, NULL) != noErr ) {
205 continue;
206 }
207 // get C string from Unicode HFS name
208 // see: http://developer.apple.com/carbon/tipsandtricks.html
209 CFStringRef cfstr = CFStringCreateWithCharacters( kCFAllocatorDefault,
210 volumeName.unicode,
211 volumeName.length );
212 // Do something with str
213 char *cstr = NewPtr(CFStringGetLength(cfstr) + 1);
214 if (( cstr == NULL ) ||
215 !CFStringGetCString(cfstr, cstr, CFStringGetLength(cfstr) + 1,
216 kCFStringEncodingMacRoman))
217 {
218 CFRelease( cstr );
219 continue;
220 }
221 wxString name( cstr , wxConvLocal );
222 DisposePtr( cstr );
223 CFRelease( cfstr );
224
225 GetVolParmsInfoBuffer volParmsInfo;
226 UInt32 actualSize;
227 if ( FSGetVolParms(vRefNum, sizeof(volParmsInfo), &volParmsInfo, &actualSize) != noErr ) {
228 continue;
229 }
230
231 paths.Add(path);
232 names.Add(name);
233
234 if ( VolIsEjectable(&volParmsInfo) )
235 icon_ids.Add(wxFileIconsTable::cdrom);
236 else
237 icon_ids.Add(wxFileIconsTable::drive);
238 }
239 ::HUnlock( (Handle)theVolRefs );
240 ::DisposeHandle( (Handle)theVolRefs );
241 }
242 #else // !__DARWIN__
243 FSSpec volume;
244 short index = 1;
245 while(1)
246 {
247 short actualCount = 0 ;
248 if (OnLine(&volume, 1, &actualCount, &index ) != noErr || actualCount==0)
249 {
250 break;
251 }
252
253 wxString name = wxMacFSSpec2MacFilename( &volume );
254 paths.Add(name + wxFILE_SEP_PATH);
255 names.Add(name);
256 icon_ids.Add(wxFileIconsTable::drive);
257 }
258 #endif // __DARWIN__
259
260 #elif defined(__UNIX__)
261 paths.Add(wxT("/"));
262 names.Add(wxT("/"));
263 icon_ids.Add(wxFileIconsTable::computer);
264 #else
265 #error "Unsupported platform in wxGenericDirCtrl!"
266 #endif
267 return paths.GetCount();
268 }
269
270 // ----------------------------------------------------------------------------
271 // wxIsDriveAvailable
272 // ----------------------------------------------------------------------------
273
274 #if defined(__DOS__)
275
276 bool wxIsDriveAvailable(const wxString& dirName)
277 {
278 // FIXME_MGL - this method leads to hang up under Watcom for some reason
279 #ifndef __WATCOMC__
280 if ( dirName.Len() == 3 && dirName[1u] == wxT(':') )
281 {
282 wxString dirNameLower(dirName.Lower());
283 // VS: always return TRUE for removable media, since Win95 doesn't
284 // like it when MS-DOS app accesses empty floppy drive
285 return (dirNameLower[0u] == wxT('a') ||
286 dirNameLower[0u] == wxT('b') ||
287 wxPathExists(dirNameLower));
288 }
289 else
290 #endif
291 return TRUE;
292 }
293
294 #elif defined(__WINDOWS__) || defined(__WXPM__)
295
296 int setdrive(int drive)
297 {
298 #ifdef __WXWINCE__
299 return 0;
300 #elif defined(__GNUWIN32__) && \
301 (defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
302 return _chdrive(drive);
303 #else
304 wxChar newdrive[3];
305
306 if (drive < 1 || drive > 31)
307 return -1;
308 newdrive[0] = (wxChar)(wxT('A') + drive - 1);
309 newdrive[1] = wxT(':');
310 newdrive[2] = wxT('\0');
311 #if defined(__WXMSW__)
312 if (::SetCurrentDirectory(newdrive))
313 #else
314 // VA doesn't know what LPSTR is and has its own set
315 if (DosSetCurrentDir((PSZ)newdrive))
316 #endif
317 return 0;
318 else
319 return -1;
320 #endif // !GNUWIN32
321 }
322
323 bool wxIsDriveAvailable(const wxString& dirName)
324 {
325 #ifdef __WXWINCE__
326 return FALSE;
327 #else
328 #ifdef __WIN32__
329 UINT errorMode = SetErrorMode(SEM_FAILCRITICALERRORS | SEM_NOOPENFILEERRORBOX);
330 #endif
331 bool success = TRUE;
332
333 // Check if this is a root directory and if so,
334 // whether the drive is available.
335 if (dirName.Len() == 3 && dirName[(size_t)1] == wxT(':'))
336 {
337 wxString dirNameLower(dirName.Lower());
338 #if defined(__GNUWIN32__) && !(defined(__MINGW32_MAJOR_VERSION) && __MINGW32_MAJOR_VERSION >= 1)
339 success = wxPathExists(dirNameLower);
340 #else
341 int currentDrive = _getdrive();
342 int thisDrive = (int) (dirNameLower[(size_t)0] - 'a' + 1) ;
343 int err = setdrive( thisDrive ) ;
344 setdrive( currentDrive );
345
346 if (err == -1)
347 {
348 success = FALSE;
349 }
350 #endif
351 }
352 #ifdef __WIN32__
353 (void) SetErrorMode(errorMode);
354 #endif
355
356 return success;
357 #endif
358 }
359 #endif // __WINDOWS__ || __WXPM__
360
361
362 // Function which is called by quick sort. We want to override the default wxArrayString behaviour,
363 // and sort regardless of case.
364 static int LINKAGEMODE wxDirCtrlStringCompareFunction(wxString* strFirst, wxString* strSecond)
365 {
366 return strFirst->CmpNoCase(*strSecond);
367 }
368
369 //-----------------------------------------------------------------------------
370 // wxDirItemData
371 //-----------------------------------------------------------------------------
372
373 wxDirItemData::wxDirItemData(const wxString& path, const wxString& name,
374 bool isDir)
375 {
376 m_path = path;
377 m_name = name;
378 /* Insert logic to detect hidden files here
379 * In UnixLand we just check whether the first char is a dot
380 * For FileNameFromPath read LastDirNameInThisPath ;-) */
381 // m_isHidden = (bool)(wxFileNameFromPath(*m_path)[0] == '.');
382 m_isHidden = FALSE;
383 m_isExpanded = FALSE;
384 m_isDir = isDir;
385 }
386
387 wxDirItemData::~wxDirItemData()
388 {
389 }
390
391 void wxDirItemData::SetNewDirName(const wxString& path)
392 {
393 m_path = path;
394 m_name = wxFileNameFromPath(path);
395 }
396
397 bool wxDirItemData::HasSubDirs() const
398 {
399 if (m_path.IsEmpty())
400 return FALSE;
401
402 wxDir dir;
403 {
404 wxLogNull nolog;
405 if ( !dir.Open(m_path) )
406 return FALSE;
407 }
408
409 return dir.HasSubDirs();
410 }
411
412 bool wxDirItemData::HasFiles(const wxString& WXUNUSED(spec)) const
413 {
414 if (m_path.IsEmpty())
415 return FALSE;
416
417 wxDir dir;
418 {
419 wxLogNull nolog;
420 if ( !dir.Open(m_path) )
421 return FALSE;
422 }
423
424 return dir.HasFiles();
425 }
426
427 //-----------------------------------------------------------------------------
428 // wxGenericDirCtrl
429 //-----------------------------------------------------------------------------
430
431
432 #if wxUSE_EXTENDED_RTTI
433 WX_DEFINE_FLAGS( wxGenericDirCtrlStyle )
434
435 wxBEGIN_FLAGS( wxGenericDirCtrlStyle )
436 // new style border flags, we put them first to
437 // use them for streaming out
438 wxFLAGS_MEMBER(wxBORDER_SIMPLE)
439 wxFLAGS_MEMBER(wxBORDER_SUNKEN)
440 wxFLAGS_MEMBER(wxBORDER_DOUBLE)
441 wxFLAGS_MEMBER(wxBORDER_RAISED)
442 wxFLAGS_MEMBER(wxBORDER_STATIC)
443 wxFLAGS_MEMBER(wxBORDER_NONE)
444
445 // old style border flags
446 wxFLAGS_MEMBER(wxSIMPLE_BORDER)
447 wxFLAGS_MEMBER(wxSUNKEN_BORDER)
448 wxFLAGS_MEMBER(wxDOUBLE_BORDER)
449 wxFLAGS_MEMBER(wxRAISED_BORDER)
450 wxFLAGS_MEMBER(wxSTATIC_BORDER)
451 wxFLAGS_MEMBER(wxNO_BORDER)
452
453 // standard window styles
454 wxFLAGS_MEMBER(wxTAB_TRAVERSAL)
455 wxFLAGS_MEMBER(wxCLIP_CHILDREN)
456 wxFLAGS_MEMBER(wxTRANSPARENT_WINDOW)
457 wxFLAGS_MEMBER(wxWANTS_CHARS)
458 wxFLAGS_MEMBER(wxNO_FULL_REPAINT_ON_RESIZE)
459 wxFLAGS_MEMBER(wxALWAYS_SHOW_SB )
460 wxFLAGS_MEMBER(wxVSCROLL)
461 wxFLAGS_MEMBER(wxHSCROLL)
462
463 wxFLAGS_MEMBER(wxDIRCTRL_DIR_ONLY)
464 wxFLAGS_MEMBER(wxDIRCTRL_3D_INTERNAL)
465 wxFLAGS_MEMBER(wxDIRCTRL_SELECT_FIRST)
466 wxFLAGS_MEMBER(wxDIRCTRL_SHOW_FILTERS)
467
468 wxEND_FLAGS( wxGenericDirCtrlStyle )
469
470 IMPLEMENT_DYNAMIC_CLASS_XTI(wxGenericDirCtrl, wxControl,"wx/dirctrl.h")
471
472 wxBEGIN_PROPERTIES_TABLE(wxGenericDirCtrl)
473 wxHIDE_PROPERTY( Children )
474 wxPROPERTY( DefaultPath , wxString , SetDefaultPath , GetDefaultPath , , 0 /*flags*/ , wxT("Helpstring") , wxT("group"))
475 wxPROPERTY( Filter , wxString , SetFilter , GetFilter ,, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
476 wxPROPERTY( DefaultFilter , int , SetFilterIndex, GetFilterIndex,, 0 /*flags*/ , wxT("Helpstring") , wxT("group") )
477 wxEND_PROPERTIES_TABLE()
478
479 wxBEGIN_HANDLERS_TABLE(wxGenericDirCtrl)
480 wxEND_HANDLERS_TABLE()
481
482 wxCONSTRUCTOR_8( wxGenericDirCtrl , wxWindow* , Parent , wxWindowID , Id , wxString , DefaultPath ,
483 wxPoint , Position , wxSize , Size , long , WindowStyle , wxString , Filter , int , DefaultFilter )
484 #else
485 IMPLEMENT_DYNAMIC_CLASS(wxGenericDirCtrl, wxControl)
486 #endif
487
488 BEGIN_EVENT_TABLE(wxGenericDirCtrl, wxControl)
489 EVT_TREE_ITEM_EXPANDING (-1, wxGenericDirCtrl::OnExpandItem)
490 EVT_TREE_ITEM_COLLAPSED (-1, wxGenericDirCtrl::OnCollapseItem)
491 EVT_TREE_BEGIN_LABEL_EDIT (-1, wxGenericDirCtrl::OnBeginEditItem)
492 EVT_TREE_END_LABEL_EDIT (-1, wxGenericDirCtrl::OnEndEditItem)
493 EVT_SIZE (wxGenericDirCtrl::OnSize)
494 END_EVENT_TABLE()
495
496 wxGenericDirCtrl::wxGenericDirCtrl(void)
497 {
498 Init();
499 }
500
501 bool wxGenericDirCtrl::Create(wxWindow *parent,
502 const wxWindowID id,
503 const wxString& dir,
504 const wxPoint& pos,
505 const wxSize& size,
506 long style,
507 const wxString& filter,
508 int defaultFilter,
509 const wxString& name)
510 {
511 if (!wxControl::Create(parent, id, pos, size, style, wxDefaultValidator, name))
512 return FALSE;
513
514 SetBackgroundColour(wxSystemSettings::GetColour(wxSYS_COLOUR_3DFACE));
515
516 Init();
517
518 long treeStyle = wxTR_HAS_BUTTONS | wxTR_HIDE_ROOT;
519
520 if (style & wxDIRCTRL_EDIT_LABELS)
521 treeStyle |= wxTR_EDIT_LABELS;
522
523 if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
524 treeStyle |= wxNO_BORDER;
525 else
526 treeStyle |= wxBORDER_SUNKEN;
527
528 long filterStyle = 0;
529 if ((style & wxDIRCTRL_3D_INTERNAL) == 0)
530 filterStyle |= wxNO_BORDER;
531 else
532 filterStyle |= wxBORDER_SUNKEN;
533
534 m_treeCtrl = new wxTreeCtrl(this, wxID_TREECTRL, pos, size, treeStyle);
535
536 if (!filter.IsEmpty() && (style & wxDIRCTRL_SHOW_FILTERS))
537 m_filterListCtrl = new wxDirFilterListCtrl(this, wxID_FILTERLISTCTRL, wxDefaultPosition, wxDefaultSize, filterStyle);
538
539 m_defaultPath = dir;
540 m_filter = filter;
541
542 SetFilterIndex(defaultFilter);
543
544 if (m_filterListCtrl)
545 m_filterListCtrl->FillFilterList(filter, defaultFilter);
546
547 m_treeCtrl->SetImageList(wxTheFileIconsTable->GetSmallImageList());
548
549 m_showHidden = FALSE;
550 wxDirItemData* rootData = new wxDirItemData(wxT(""), wxT(""), TRUE);
551
552 wxString rootName;
553
554 #if defined(__WINDOWS__) || defined(__WXPM__) || defined(__DOS__)
555 rootName = _("Computer");
556 #else
557 rootName = _("Sections");
558 #endif
559
560 m_rootId = m_treeCtrl->AddRoot( rootName, 3, -1, rootData);
561 m_treeCtrl->SetItemHasChildren(m_rootId);
562 ExpandDir(m_rootId); // automatically expand first level
563
564 // Expand and select the default path
565 if (!m_defaultPath.IsEmpty())
566 ExpandPath(m_defaultPath);
567
568 DoResize();
569
570 return TRUE;
571 }
572
573 wxGenericDirCtrl::~wxGenericDirCtrl()
574 {
575 }
576
577 void wxGenericDirCtrl::Init()
578 {
579 m_showHidden = FALSE;
580 m_currentFilter = 0;
581 m_currentFilterStr = wxEmptyString; // Default: any file
582 m_treeCtrl = NULL;
583 m_filterListCtrl = NULL;
584 }
585
586 void wxGenericDirCtrl::ShowHidden( bool show )
587 {
588 m_showHidden = show;
589
590 wxString path = GetPath();
591 ReCreateTree();
592 SetPath(path);
593 }
594
595 const wxTreeItemId
596 wxGenericDirCtrl::AddSection(const wxString& path, const wxString& name, int imageId)
597 {
598 wxDirItemData *dir_item = new wxDirItemData(path,name,TRUE);
599
600 wxTreeItemId id = AppendItem( m_rootId, name, imageId, -1, dir_item);
601
602 m_treeCtrl->SetItemHasChildren(id);
603
604 return id;
605 }
606
607 void wxGenericDirCtrl::SetupSections()
608 {
609 wxArrayString paths, names;
610 wxArrayInt icons;
611
612 size_t n, count = wxGetAvailableDrives(paths, names, icons);
613
614 for (n = 0; n < count; n++)
615 {
616 AddSection(paths[n], names[n], icons[n]);
617 }
618 }
619
620 void wxGenericDirCtrl::OnBeginEditItem(wxTreeEvent &event)
621 {
622 // don't rename the main entry "Sections"
623 if (event.GetItem() == m_rootId)
624 {
625 event.Veto();
626 return;
627 }
628
629 // don't rename the individual sections
630 if (m_treeCtrl->GetItemParent( event.GetItem() ) == m_rootId)
631 {
632 event.Veto();
633 return;
634 }
635 }
636
637 void wxGenericDirCtrl::OnEndEditItem(wxTreeEvent &event)
638 {
639 if ((event.GetLabel().IsEmpty()) ||
640 (event.GetLabel() == _(".")) ||
641 (event.GetLabel() == _("..")) ||
642 (event.GetLabel().Find(wxT('/')) != wxNOT_FOUND) ||
643 (event.GetLabel().Find(wxT('\\')) != wxNOT_FOUND) ||
644 (event.GetLabel().Find(wxT('|')) != wxNOT_FOUND))
645 {
646 wxMessageDialog dialog(this, _("Illegal directory name."), _("Error"), wxOK | wxICON_ERROR );
647 dialog.ShowModal();
648 event.Veto();
649 return;
650 }
651
652 wxTreeItemId id = event.GetItem();
653 wxDirItemData *data = (wxDirItemData*)m_treeCtrl->GetItemData( id );
654 wxASSERT( data );
655
656 wxString new_name( wxPathOnly( data->m_path ) );
657 new_name += wxString(wxFILE_SEP_PATH);
658 new_name += event.GetLabel();
659
660 wxLogNull log;
661
662 if (wxFileExists(new_name))
663 {
664 wxMessageDialog dialog(this, _("File name exists already."), _("Error"), wxOK | wxICON_ERROR );
665 dialog.ShowModal();
666 event.Veto();
667 }
668
669 if (wxRenameFile(data->m_path,new_name))
670 {
671 data->SetNewDirName( new_name );
672 }
673 else
674 {
675 wxMessageDialog dialog(this, _("Operation not permitted."), _("Error"), wxOK | wxICON_ERROR );
676 dialog.ShowModal();
677 event.Veto();
678 }
679 }
680
681 void wxGenericDirCtrl::OnExpandItem(wxTreeEvent &event)
682 {
683 wxTreeItemId parentId = event.GetItem();
684
685 // VS: this is needed because the event handler is called from wxTreeCtrl
686 // ctor when wxTR_HIDE_ROOT was specified
687
688 if (!m_rootId.IsOk())
689
690 m_rootId = m_treeCtrl->GetRootItem();
691
692 ExpandDir(parentId);
693 }
694
695 void wxGenericDirCtrl::OnCollapseItem(wxTreeEvent &event )
696 {
697 CollapseDir(event.GetItem());
698 }
699
700 void wxGenericDirCtrl::CollapseDir(wxTreeItemId parentId)
701 {
702 wxTreeItemId child;
703
704 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
705 if (!data->m_isExpanded)
706 return;
707
708 data->m_isExpanded = FALSE;
709 wxTreeItemIdValue cookie;
710 /* Workaround because DeleteChildren has disapeared (why?) and
711 * CollapseAndReset doesn't work as advertised (deletes parent too) */
712 child = m_treeCtrl->GetFirstChild(parentId, cookie);
713 while (child.IsOk())
714 {
715 m_treeCtrl->Delete(child);
716 /* Not GetNextChild below, because the cookie mechanism can't
717 * handle disappearing children! */
718 child = m_treeCtrl->GetFirstChild(parentId, cookie);
719 }
720 }
721
722 void wxGenericDirCtrl::ExpandDir(wxTreeItemId parentId)
723 {
724 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(parentId);
725
726 if (data->m_isExpanded)
727 return;
728
729 data->m_isExpanded = TRUE;
730
731 if (parentId == m_treeCtrl->GetRootItem())
732 {
733 SetupSections();
734 return;
735 }
736
737 wxASSERT(data);
738
739 wxString search,path,filename;
740
741 wxString dirName(data->m_path);
742
743 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
744 // Check if this is a root directory and if so,
745 // whether the drive is avaiable.
746 if (!wxIsDriveAvailable(dirName))
747 {
748 data->m_isExpanded = FALSE;
749 //wxMessageBox(wxT("Sorry, this drive is not available."));
750 return;
751 }
752 #endif
753
754 // This may take a longish time. Go to busy cursor
755 wxBusyCursor busy;
756
757 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
758 if (dirName.Last() == ':')
759 dirName += wxString(wxFILE_SEP_PATH);
760 #endif
761
762 wxArrayString dirs;
763 wxArrayString filenames;
764
765 wxDir d;
766 wxString eachFilename;
767
768 wxLogNull log;
769 d.Open(dirName);
770
771 if (d.IsOpened())
772 {
773 int style = wxDIR_DIRS;
774 if (m_showHidden) style |= wxDIR_HIDDEN;
775 if (d.GetFirst(& eachFilename, wxEmptyString, style))
776 {
777 do
778 {
779 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
780 {
781 dirs.Add(eachFilename);
782 }
783 }
784 while (d.GetNext(& eachFilename));
785 }
786 }
787 dirs.Sort(wxDirCtrlStringCompareFunction);
788
789 // Now do the filenames -- but only if we're allowed to
790 if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
791 {
792 wxLogNull log;
793
794 d.Open(dirName);
795
796 if (d.IsOpened())
797 {
798 if (d.GetFirst(& eachFilename, m_currentFilterStr, wxDIR_FILES))
799 {
800 do
801 {
802 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
803 {
804 filenames.Add(eachFilename);
805 }
806 }
807 while (d.GetNext(& eachFilename));
808 }
809 }
810 filenames.Sort(wxDirCtrlStringCompareFunction);
811 }
812
813 // Add the sorted dirs
814 size_t i;
815 for (i = 0; i < dirs.Count(); i++)
816 {
817 wxString eachFilename(dirs[i]);
818 path = dirName;
819 if (!wxEndsWithPathSeparator(path))
820 path += wxString(wxFILE_SEP_PATH);
821 path += eachFilename;
822
823 wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,TRUE);
824 wxTreeItemId id = AppendItem( parentId, eachFilename,
825 wxFileIconsTable::folder, -1, dir_item);
826 m_treeCtrl->SetItemImage( id, wxFileIconsTable::folder_open,
827 wxTreeItemIcon_Expanded );
828
829 // Has this got any children? If so, make it expandable.
830 // (There are two situations when a dir has children: either it
831 // has subdirectories or it contains files that weren't filtered
832 // out. The latter only applies to dirctrl with files.)
833 if ( dir_item->HasSubDirs() ||
834 (((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0) &&
835 dir_item->HasFiles(m_currentFilterStr)) )
836 {
837 m_treeCtrl->SetItemHasChildren(id);
838 }
839 }
840
841 // Add the sorted filenames
842 if ((GetWindowStyle() & wxDIRCTRL_DIR_ONLY) == 0)
843 {
844 for (i = 0; i < filenames.Count(); i++)
845 {
846 wxString eachFilename(filenames[i]);
847 path = dirName;
848 if (!wxEndsWithPathSeparator(path))
849 path += wxString(wxFILE_SEP_PATH);
850 path += eachFilename;
851 //path = dirName + wxString(wxT("/")) + eachFilename;
852 wxDirItemData *dir_item = new wxDirItemData(path,eachFilename,FALSE);
853 int image_id = wxFileIconsTable::file;
854 if (eachFilename.Find(wxT('.')) != wxNOT_FOUND)
855 image_id = wxTheFileIconsTable->GetIconID(eachFilename.AfterLast(wxT('.')));
856 (void) AppendItem( parentId, eachFilename, image_id, -1, dir_item);
857 }
858 }
859 }
860
861 void wxGenericDirCtrl::ReCreateTree()
862 {
863 CollapseDir(m_treeCtrl->GetRootItem());
864 ExpandDir(m_treeCtrl->GetRootItem());
865 }
866
867 // Find the child that matches the first part of 'path'.
868 // E.g. if a child path is "/usr" and 'path' is "/usr/include"
869 // then the child for /usr is returned.
870 wxTreeItemId wxGenericDirCtrl::FindChild(wxTreeItemId parentId, const wxString& path, bool& done)
871 {
872 wxString path2(path);
873
874 // Make sure all separators are as per the current platform
875 path2.Replace(wxT("\\"), wxString(wxFILE_SEP_PATH));
876 path2.Replace(wxT("/"), wxString(wxFILE_SEP_PATH));
877
878 // Append a separator to foil bogus substring matching
879 path2 += wxString(wxFILE_SEP_PATH);
880
881 // In MSW or PM, case is not significant
882 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
883 path2.MakeLower();
884 #endif
885
886 wxTreeItemIdValue cookie;
887 wxTreeItemId childId = m_treeCtrl->GetFirstChild(parentId, cookie);
888 while (childId.IsOk())
889 {
890 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
891
892 if (data && !data->m_path.IsEmpty())
893 {
894 wxString childPath(data->m_path);
895 if (!wxEndsWithPathSeparator(childPath))
896 childPath += wxString(wxFILE_SEP_PATH);
897
898 // In MSW and PM, case is not significant
899 #if defined(__WINDOWS__) || defined(__DOS__) || defined(__WXPM__)
900 childPath.MakeLower();
901 #endif
902
903 if (childPath.Len() <= path2.Len())
904 {
905 wxString path3 = path2.Mid(0, childPath.Len());
906 if (childPath == path3)
907 {
908 if (path3.Len() == path2.Len())
909 done = TRUE;
910 else
911 done = FALSE;
912 return childId;
913 }
914 }
915 }
916
917 childId = m_treeCtrl->GetNextChild(parentId, cookie);
918 }
919 wxTreeItemId invalid;
920 return invalid;
921 }
922
923 // Try to expand as much of the given path as possible,
924 // and select the given tree item.
925 bool wxGenericDirCtrl::ExpandPath(const wxString& path)
926 {
927 bool done = FALSE;
928 wxTreeItemId id = FindChild(m_rootId, path, done);
929 wxTreeItemId lastId = id; // The last non-zero id
930 while (id.IsOk() && !done)
931 {
932 ExpandDir(id);
933
934 id = FindChild(id, path, done);
935 if (id.IsOk())
936 lastId = id;
937 }
938 if (lastId.IsOk())
939 {
940 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(lastId);
941 if (data->m_isDir)
942 {
943 m_treeCtrl->Expand(lastId);
944 }
945 if ((GetWindowStyle() & wxDIRCTRL_SELECT_FIRST) && data->m_isDir)
946 {
947 // Find the first file in this directory
948 wxTreeItemIdValue cookie;
949 wxTreeItemId childId = m_treeCtrl->GetFirstChild(lastId, cookie);
950 bool selectedChild = FALSE;
951 while (childId.IsOk())
952 {
953 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(childId);
954
955 if (data && data->m_path != wxT("") && !data->m_isDir)
956 {
957 m_treeCtrl->SelectItem(childId);
958 m_treeCtrl->EnsureVisible(childId);
959 selectedChild = TRUE;
960 break;
961 }
962 childId = m_treeCtrl->GetNextChild(lastId, cookie);
963 }
964 if (!selectedChild)
965 {
966 m_treeCtrl->SelectItem(lastId);
967 m_treeCtrl->EnsureVisible(lastId);
968 }
969 }
970 else
971 {
972 m_treeCtrl->SelectItem(lastId);
973 m_treeCtrl->EnsureVisible(lastId);
974 }
975
976 return TRUE;
977 }
978 else
979 return FALSE;
980 }
981
982 wxString wxGenericDirCtrl::GetPath() const
983 {
984 wxTreeItemId id = m_treeCtrl->GetSelection();
985 if (id)
986 {
987 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
988 return data->m_path;
989 }
990 else
991 return wxEmptyString;
992 }
993
994 wxString wxGenericDirCtrl::GetFilePath() const
995 {
996 wxTreeItemId id = m_treeCtrl->GetSelection();
997 if (id)
998 {
999 wxDirItemData* data = (wxDirItemData*) m_treeCtrl->GetItemData(id);
1000 if (data->m_isDir)
1001 return wxEmptyString;
1002 else
1003 return data->m_path;
1004 }
1005 else
1006 return wxEmptyString;
1007 }
1008
1009 void wxGenericDirCtrl::SetPath(const wxString& path)
1010 {
1011 m_defaultPath = path;
1012 if (m_rootId)
1013 ExpandPath(path);
1014 }
1015
1016 // Not used
1017 #if 0
1018 void wxGenericDirCtrl::FindChildFiles(wxTreeItemId id, int dirFlags, wxArrayString& filenames)
1019 {
1020 wxDirItemData *data = (wxDirItemData *) m_treeCtrl->GetItemData(id);
1021
1022 // This may take a longish time. Go to busy cursor
1023 wxBusyCursor busy;
1024
1025 wxASSERT(data);
1026
1027 wxString search,path,filename;
1028
1029 wxString dirName(data->m_path);
1030
1031 #if defined(__WXMSW__) || defined(__WXPM__)
1032 if (dirName.Last() == ':')
1033 dirName += wxString(wxFILE_SEP_PATH);
1034 #endif
1035
1036 wxDir d;
1037 wxString eachFilename;
1038
1039 wxLogNull log;
1040 d.Open(dirName);
1041
1042 if (d.IsOpened())
1043 {
1044 if (d.GetFirst(& eachFilename, m_currentFilterStr, dirFlags))
1045 {
1046 do
1047 {
1048 if ((eachFilename != wxT(".")) && (eachFilename != wxT("..")))
1049 {
1050 filenames.Add(eachFilename);
1051 }
1052 }
1053 while (d.GetNext(& eachFilename)) ;
1054 }
1055 }
1056 }
1057 #endif
1058
1059 void wxGenericDirCtrl::SetFilterIndex(int n)
1060 {
1061 m_currentFilter = n;
1062
1063 wxString f, d;
1064 if (ExtractWildcard(m_filter, n, f, d))
1065 m_currentFilterStr = f;
1066 else
1067 m_currentFilterStr = wxT("*.*");
1068 }
1069
1070 void wxGenericDirCtrl::SetFilter(const wxString& filter)
1071 {
1072 m_filter = filter;
1073
1074 wxString f, d;
1075 if (ExtractWildcard(m_filter, m_currentFilter, f, d))
1076 m_currentFilterStr = f;
1077 else
1078 m_currentFilterStr = wxT("*.*");
1079 }
1080
1081 // Extract description and actual filter from overall filter string
1082 bool wxGenericDirCtrl::ExtractWildcard(const wxString& filterStr, int n, wxString& filter, wxString& description)
1083 {
1084 wxArrayString filters, descriptions;
1085 int count = ParseFilter(filterStr, filters, descriptions);
1086 if (count > 0 && n < count)
1087 {
1088 filter = filters[n];
1089 description = descriptions[n];
1090 return TRUE;
1091 }
1092
1093 return FALSE;
1094 }
1095
1096 // Parses the global filter, returning the number of filters.
1097 // Returns 0 if none or if there's a problem.
1098 // filterStr is in the form: "All files (*.*)|*.*|JPEG Files (*.jpeg)|*.jpg"
1099
1100 int wxGenericDirCtrl::ParseFilter(const wxString& filterStr, wxArrayString& filters, wxArrayString& descriptions)
1101 {
1102 return wxFileDialogBase::ParseWildcard(filterStr, descriptions, filters );
1103 }
1104
1105 void wxGenericDirCtrl::DoResize()
1106 {
1107 wxSize sz = GetClientSize();
1108 int verticalSpacing = 3;
1109 if (m_treeCtrl)
1110 {
1111 wxSize filterSz ;
1112 if (m_filterListCtrl)
1113 {
1114 #ifdef __WXMSW__
1115 // For some reason, this is required in order for the
1116 // correct control height to always be returned, rather
1117 // than the drop-down list height which is sometimes returned.
1118 wxSize oldSize = m_filterListCtrl->GetSize();
1119 m_filterListCtrl->SetSize(-1, -1, oldSize.x+10, -1, wxSIZE_USE_EXISTING);
1120 m_filterListCtrl->SetSize(-1, -1, oldSize.x, -1, wxSIZE_USE_EXISTING);
1121 #endif
1122 filterSz = m_filterListCtrl->GetSize();
1123 sz.y -= (filterSz.y + verticalSpacing);
1124 }
1125 m_treeCtrl->SetSize(0, 0, sz.x, sz.y);
1126 if (m_filterListCtrl)
1127 {
1128 m_filterListCtrl->SetSize(0, sz.y + verticalSpacing, sz.x, filterSz.y);
1129 // Don't know why, but this needs refreshing after a resize (wxMSW)
1130 m_filterListCtrl->Refresh();
1131 }
1132 }
1133 }
1134
1135
1136 void wxGenericDirCtrl::OnSize(wxSizeEvent& WXUNUSED(event))
1137 {
1138 DoResize();
1139 }
1140
1141 wxTreeItemId wxGenericDirCtrl::AppendItem (const wxTreeItemId & parent,
1142 const wxString & text,
1143 int image, int selectedImage,
1144 wxTreeItemData * data)
1145 {
1146 wxTreeCtrl *treeCtrl = GetTreeCtrl ();
1147
1148 wxASSERT (treeCtrl);
1149
1150 if (treeCtrl)
1151 {
1152 return treeCtrl->AppendItem (parent, text, image, selectedImage, data);
1153 }
1154 else
1155 {
1156 return wxTreeItemId();
1157 }
1158 }
1159
1160
1161 //-----------------------------------------------------------------------------
1162 // wxDirFilterListCtrl
1163 //-----------------------------------------------------------------------------
1164
1165 IMPLEMENT_CLASS(wxDirFilterListCtrl, wxChoice)
1166
1167 BEGIN_EVENT_TABLE(wxDirFilterListCtrl, wxChoice)
1168 EVT_CHOICE(-1, wxDirFilterListCtrl::OnSelFilter)
1169 END_EVENT_TABLE()
1170
1171 bool wxDirFilterListCtrl::Create(wxGenericDirCtrl* parent, const wxWindowID id,
1172 const wxPoint& pos,
1173 const wxSize& size,
1174 long style)
1175 {
1176 m_dirCtrl = parent;
1177 return wxChoice::Create(parent, id, pos, size, 0, NULL, style);
1178 }
1179
1180 void wxDirFilterListCtrl::Init()
1181 {
1182 m_dirCtrl = NULL;
1183 }
1184
1185 void wxDirFilterListCtrl::OnSelFilter(wxCommandEvent& WXUNUSED(event))
1186 {
1187 int sel = GetSelection();
1188
1189 wxString currentPath = m_dirCtrl->GetPath();
1190
1191 m_dirCtrl->SetFilterIndex(sel);
1192
1193 // If the filter has changed, the view is out of date, so
1194 // collapse the tree.
1195 m_dirCtrl->ReCreateTree();
1196
1197 // Try to restore the selection, or at least the directory
1198 m_dirCtrl->ExpandPath(currentPath);
1199 }
1200
1201 void wxDirFilterListCtrl::FillFilterList(const wxString& filter, int defaultFilter)
1202 {
1203 Clear();
1204 wxArrayString descriptions, filters;
1205 size_t n = (size_t) m_dirCtrl->ParseFilter(filter, filters, descriptions);
1206
1207 if (n > 0 && defaultFilter < (int) n)
1208 {
1209 size_t i = 0;
1210 for (i = 0; i < n; i++)
1211 Append(descriptions[i]);
1212 SetSelection(defaultFilter);
1213 }
1214 }
1215
1216
1217 // ----------------------------------------------------------------------------
1218 // wxFileIconsTable icons
1219 // ----------------------------------------------------------------------------
1220
1221 /* Open folder */
1222 static const char * file_icons_tbl_folder_open_xpm[] = {
1223 /* width height ncolors chars_per_pixel */
1224 "16 16 6 1",
1225 /* colors */
1226 " s None c None",
1227 ". c #000000",
1228 "+ c #c0c0c0",
1229 "@ c #808080",
1230 "# c #ffff00",
1231 "$ c #ffffff",
1232 /* pixels */
1233 " ",
1234 " @@@@@ ",
1235 " @$$$$$@ ",
1236 " @$#+#+#$@@@@@@ ",
1237 " @$+#+#+$$$$$$@.",
1238 " @$#+#+#+#+#+#@.",
1239 "@@@@@@@@@@@@@#@.",
1240 "@$$$$$$$$$$@@+@.",
1241 "@$#+#+#+#+##.@@.",
1242 " @$#+#+#+#+#+.@.",
1243 " @$+#+#+#+#+#.@.",
1244 " @$+#+#+#+##@..",
1245 " @@@@@@@@@@@@@.",
1246 " .............",
1247 " ",
1248 " "};
1249
1250 /* Computer */
1251 static const char * file_icons_tbl_computer_xpm[] = {
1252 "16 16 7 1",
1253 " s None c None",
1254 ". c #808080",
1255 "X c #c0c0c0",
1256 "o c Black",
1257 "O c Gray100",
1258 "+ c #008080",
1259 "@ c Blue",
1260 " ........... ",
1261 " .XXXXXXXXXX.o",
1262 " .OOOOOOOOO..o",
1263 " .OoooooooX..o",
1264 " .Oo+...@+X..o",
1265 " .Oo+XXX.+X..o",
1266 " .Oo+....+X..o",
1267 " .Oo++++++X..o",
1268 " .OXXXXXXXX.oo",
1269 " ..........o.o",
1270 " ...........Xo",
1271 " .XXXXXXXXXX.o",
1272 " .o.o.o.o.o...o",
1273 " .oXoXoXoXoXo.o ",
1274 ".XOXXXXXXXXX.o ",
1275 "............o "};
1276
1277 /* Drive */
1278 static const char * file_icons_tbl_drive_xpm[] = {
1279 "16 16 7 1",
1280 " s None c None",
1281 ". c #808080",
1282 "X c #c0c0c0",
1283 "o c Black",
1284 "O c Gray100",
1285 "+ c Green",
1286 "@ c #008000",
1287 " ",
1288 " ",
1289 " ",
1290 " ",
1291 " ............. ",
1292 " .XXXXXXXXXXXX.o",
1293 ".OOOOOOOOOOOO..o",
1294 ".XXXXXXXXX+@X..o",
1295 ".XXXXXXXXXXXX..o",
1296 ".X..........X..o",
1297 ".XOOOOOOOOOOX..o",
1298 "..............o ",
1299 " ooooooooooooo ",
1300 " ",
1301 " ",
1302 " "};
1303
1304 /* CD-ROM */
1305 static const char *file_icons_tbl_cdrom_xpm[] = {
1306 "16 16 10 1",
1307 " s None c None",
1308 ". c #808080",
1309 "X c #c0c0c0",
1310 "o c Yellow",
1311 "O c Blue",
1312 "+ c Black",
1313 "@ c Gray100",
1314 "# c #008080",
1315 "$ c Green",
1316 "% c #008000",
1317 " ... ",
1318 " ..XoX.. ",
1319 " .O.XoXXX+ ",
1320 " ...O.oXXXX+ ",
1321 " .O..X.XXXX+ ",
1322 " ....X.+..XXX+",
1323 " .XXX.+@+.XXX+",
1324 " .X@XX.+.X@@X+",
1325 " .....X...#XX@+ ",
1326 ".@@@...XXo.O@X+ ",
1327 ".@XXX..XXoXOO+ ",
1328 ".@++++..XoX+++ ",
1329 ".@$%@@XX+++X.+ ",
1330 ".............+ ",
1331 " ++++++++++++ ",
1332 " "};
1333
1334 /* Floppy */
1335 static const char * file_icons_tbl_floppy_xpm[] = {
1336 "16 16 7 1",
1337 " s None c None",
1338 ". c #808080",
1339 "X c Gray100",
1340 "o c #c0c0c0",
1341 "O c Black",
1342 "+ c Cyan",
1343 "@ c Red",
1344 " ......X",
1345 " .ooooooO",
1346 " .+++++OO",
1347 " .++++++O",
1348 " .++++++O",
1349 " .ooooooO",
1350 " .......o....oO",
1351 " .oooooo.o.O.XoO",
1352 ".XXXXXXXXOOOOOO ",
1353 ".ooooooooo@o..O ",
1354 ".ooo....oooo..O ",
1355 ".o..OOOO...o..O ",
1356 ".oooXXXXoooo..O ",
1357 ".............O ",
1358 " OOOOOOOOOOOO ",
1359 " "};
1360
1361 /* Removeable */
1362 static const char * file_icons_tbl_removeable_xpm[] = {
1363 "16 16 7 1",
1364 " s None c None",
1365 ". c #808080",
1366 "X c #c0c0c0",
1367 "o c Black",
1368 "O c Gray100",
1369 "+ c Red",
1370 "@ c #800000",
1371 " ",
1372 " ",
1373 " ",
1374 " ............. ",
1375 " .XXXXXXXXXXXX.o",
1376 ".OOOOOOOOOOOO..o",
1377 ".OXXXXXXXXXXX..o",
1378 ".O+@.oooooo.X..o",
1379 ".OXXOooooooOX..o",
1380 ".OXXXOOOOOOXX..o",
1381 ".OXXXXXXXXXXX..o",
1382 ".O............o ",
1383 " ooooooooooooo ",
1384 " ",
1385 " ",
1386 " "};
1387
1388 // ----------------------------------------------------------------------------
1389 // wxFileIconsTable & friends
1390 // ----------------------------------------------------------------------------
1391
1392 // global instance of a wxFileIconsTable
1393 wxFileIconsTable* wxTheFileIconsTable = (wxFileIconsTable *)NULL;
1394
1395 // A module to allow icons table cleanup
1396
1397 class wxFileIconsTableModule: public wxModule
1398 {
1399 DECLARE_DYNAMIC_CLASS(wxFileIconsTableModule)
1400 public:
1401 wxFileIconsTableModule() {}
1402 bool OnInit() { wxTheFileIconsTable = new wxFileIconsTable; return TRUE; }
1403 void OnExit()
1404 {
1405 if (wxTheFileIconsTable)
1406 {
1407 delete wxTheFileIconsTable;
1408 wxTheFileIconsTable = NULL;
1409 }
1410 }
1411 };
1412
1413 IMPLEMENT_DYNAMIC_CLASS(wxFileIconsTableModule, wxModule)
1414
1415 class wxFileIconEntry : public wxObject
1416 {
1417 public:
1418 wxFileIconEntry(int i) { id = i; }
1419
1420 int id;
1421 };
1422
1423 wxFileIconsTable::wxFileIconsTable()
1424 {
1425 m_HashTable = NULL;
1426 m_smallImageList = NULL;
1427 }
1428
1429 wxFileIconsTable::~wxFileIconsTable()
1430 {
1431 if (m_HashTable)
1432 {
1433 WX_CLEAR_HASH_TABLE(*m_HashTable);
1434 delete m_HashTable;
1435 }
1436 if (m_smallImageList) delete m_smallImageList;
1437 }
1438
1439 // delayed initialization - wait until first use (wxArtProv not created yet)
1440 void wxFileIconsTable::Create()
1441 {
1442 wxCHECK_RET(!m_smallImageList && !m_HashTable, wxT("creating icons twice"));
1443 m_HashTable = new wxHashTable(wxKEY_STRING);
1444 m_smallImageList = new wxImageList(16, 16);
1445
1446 // folder:
1447 m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_FOLDER, wxART_CMN_DIALOG));
1448 // folder_open
1449 m_smallImageList->Add(wxIcon(file_icons_tbl_folder_open_xpm));
1450 // computer
1451 m_smallImageList->Add(wxIcon(file_icons_tbl_computer_xpm));
1452 // drive
1453 m_smallImageList->Add(wxIcon(file_icons_tbl_drive_xpm));
1454 // cdrom
1455 m_smallImageList->Add(wxIcon(file_icons_tbl_cdrom_xpm));
1456 // floppy
1457 m_smallImageList->Add(wxIcon(file_icons_tbl_floppy_xpm));
1458 // removeable
1459 m_smallImageList->Add(wxIcon(file_icons_tbl_removeable_xpm));
1460 // file
1461 m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_NORMAL_FILE, wxART_CMN_DIALOG));
1462 // executable
1463 if (GetIconID(wxEmptyString, _T("application/x-executable")) == file)
1464 {
1465 m_smallImageList->Add(wxArtProvider::GetBitmap(wxART_EXECUTABLE_FILE, wxART_CMN_DIALOG));
1466 delete m_HashTable->Get(_T("exe"));
1467 m_HashTable->Delete(_T("exe"));
1468 m_HashTable->Put(_T("exe"), new wxFileIconEntry(executable));
1469 }
1470 /* else put into list by GetIconID
1471 (KDE defines application/x-executable for *.exe and has nice icon)
1472 */
1473 }
1474
1475 wxImageList *wxFileIconsTable::GetSmallImageList()
1476 {
1477 if (!m_smallImageList)
1478 Create();
1479
1480 return m_smallImageList;
1481 }
1482
1483 #if wxUSE_MIMETYPE
1484 // VS: we don't need this function w/o wxMimeTypesManager because we'll only have
1485 // one icon and we won't resize it
1486
1487 static wxBitmap CreateAntialiasedBitmap(const wxImage& img)
1488 {
1489 wxImage smallimg (16, 16);
1490 unsigned char *p1, *p2, *ps;
1491 unsigned char mr = img.GetMaskRed(),
1492 mg = img.GetMaskGreen(),
1493 mb = img.GetMaskBlue();
1494
1495 unsigned x, y;
1496 unsigned sr, sg, sb, smask;
1497
1498 p1 = img.GetData(), p2 = img.GetData() + 3 * 32, ps = smallimg.GetData();
1499 smallimg.SetMaskColour(mr, mr, mr);
1500
1501 for (y = 0; y < 16; y++)
1502 {
1503 for (x = 0; x < 16; x++)
1504 {
1505 sr = sg = sb = smask = 0;
1506 if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1507 sr += p1[0], sg += p1[1], sb += p1[2];
1508 else smask++;
1509 p1 += 3;
1510 if (p1[0] != mr || p1[1] != mg || p1[2] != mb)
1511 sr += p1[0], sg += p1[1], sb += p1[2];
1512 else smask++;
1513 p1 += 3;
1514 if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1515 sr += p2[0], sg += p2[1], sb += p2[2];
1516 else smask++;
1517 p2 += 3;
1518 if (p2[0] != mr || p2[1] != mg || p2[2] != mb)
1519 sr += p2[0], sg += p2[1], sb += p2[2];
1520 else smask++;
1521 p2 += 3;
1522
1523 if (smask > 2)
1524 ps[0] = ps[1] = ps[2] = mr;
1525 else
1526 ps[0] = sr >> 2, ps[1] = sg >> 2, ps[2] = sb >> 2;
1527 ps += 3;
1528 }
1529 p1 += 32 * 3, p2 += 32 * 3;
1530 }
1531
1532 return wxBitmap(smallimg);
1533 }
1534
1535 // finds empty borders and return non-empty area of image:
1536 static wxImage CutEmptyBorders(const wxImage& img)
1537 {
1538 unsigned char mr = img.GetMaskRed(),
1539 mg = img.GetMaskGreen(),
1540 mb = img.GetMaskBlue();
1541 unsigned char *dt = img.GetData(), *dttmp;
1542 unsigned w = img.GetWidth(), h = img.GetHeight();
1543
1544 unsigned top, bottom, left, right, i;
1545 bool empt;
1546
1547 #define MK_DTTMP(x,y) dttmp = dt + ((x + y * w) * 3)
1548 #define NOEMPTY_PIX(empt) if (dttmp[0] != mr || dttmp[1] != mg || dttmp[2] != mb) {empt = FALSE; break;}
1549
1550 for (empt = TRUE, top = 0; empt && top < h; top++)
1551 {
1552 MK_DTTMP(0, top);
1553 for (i = 0; i < w; i++, dttmp+=3)
1554 NOEMPTY_PIX(empt)
1555 }
1556 for (empt = TRUE, bottom = h-1; empt && bottom > top; bottom--)
1557 {
1558 MK_DTTMP(0, bottom);
1559 for (i = 0; i < w; i++, dttmp+=3)
1560 NOEMPTY_PIX(empt)
1561 }
1562 for (empt = TRUE, left = 0; empt && left < w; left++)
1563 {
1564 MK_DTTMP(left, 0);
1565 for (i = 0; i < h; i++, dttmp+=3*w)
1566 NOEMPTY_PIX(empt)
1567 }
1568 for (empt = TRUE, right = w-1; empt && right > left; right--)
1569 {
1570 MK_DTTMP(right, 0);
1571 for (i = 0; i < h; i++, dttmp+=3*w)
1572 NOEMPTY_PIX(empt)
1573 }
1574 top--, left--, bottom++, right++;
1575
1576 return img.GetSubImage(wxRect(left, top, right - left + 1, bottom - top + 1));
1577 }
1578 #endif // wxUSE_MIMETYPE
1579
1580 int wxFileIconsTable::GetIconID(const wxString& extension, const wxString& mime)
1581 {
1582 if (!m_smallImageList)
1583 Create();
1584
1585 #if wxUSE_MIMETYPE
1586 if (!extension.IsEmpty())
1587 {
1588 wxFileIconEntry *entry = (wxFileIconEntry*) m_HashTable->Get(extension);
1589 if (entry) return (entry -> id);
1590 }
1591
1592 wxFileType *ft = (mime.IsEmpty()) ?
1593 wxTheMimeTypesManager -> GetFileTypeFromExtension(extension) :
1594 wxTheMimeTypesManager -> GetFileTypeFromMimeType(mime);
1595
1596 wxIconLocation iconLoc;
1597 wxIcon ic;
1598 if ( ft && ft->GetIcon(&iconLoc) )
1599 {
1600 ic = wxIcon(iconLoc);
1601 }
1602
1603 delete ft;
1604
1605 if ( !ic.Ok() )
1606 {
1607 int newid = file;
1608 m_HashTable->Put(extension, new wxFileIconEntry(newid));
1609 return newid;
1610 }
1611
1612 wxBitmap tmpBmp;
1613 tmpBmp.CopyFromIcon(ic);
1614 wxImage img = tmpBmp.ConvertToImage();
1615
1616 int id = m_smallImageList->GetImageCount();
1617 if (img.GetWidth() == 16 && img.GetHeight() == 16)
1618 m_smallImageList->Add(wxBitmap(img));
1619 else
1620 {
1621 if (img.GetWidth() != 32 || img.GetHeight() != 32)
1622 m_smallImageList->Add(CreateAntialiasedBitmap(CutEmptyBorders(img).Rescale(32, 32)));
1623 else
1624 m_smallImageList->Add(CreateAntialiasedBitmap(img));
1625 }
1626 m_HashTable->Put(extension, new wxFileIconEntry(id));
1627 return id;
1628
1629 #else // !wxUSE_MIMETYPE
1630
1631 if (extension == wxT("exe"))
1632 return executable;
1633 else
1634 return file;
1635 #endif // wxUSE_MIMETYPE/!wxUSE_MIMETYPE
1636 }
1637
1638 #endif // wxUSE_DIRDLG
wxWidgets (Impactor)