1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
|
//
// "$Id: Fl_File_Browser.cxx 10145 2014-05-04 13:46:09Z manolo $"
//
// Fl_File_Browser routines.
//
// Copyright 1999-2010 by Michael Sweet.
//
// This library is free software. Distribution and use rights are outlined in
// the file "COPYING" which should have been included with this file. If this
// file is missing or damaged, see the license at:
//
// http://www.fltk.org/COPYING.php
//
// Please report all bugs and problems on the following page:
//
// http://www.fltk.org/str.php
//
// Contents:
//
// Fl_File_Browser::full_height() - Return the height of the list.
// Fl_File_Browser::item_height() - Return the height of a list item.
// Fl_File_Browser::item_width() - Return the width of a list item.
// Fl_File_Browser::item_draw() - Draw a list item.
// Fl_File_Browser::Fl_File_Browser() - Create a Fl_File_Browser widget.
// Fl_File_Browser::load() - Load a directory into the browser.
// Fl_File_Browser::filter() - Set the filename filter.
//
//
// Include necessary header files...
//
#include <FL/Fl_File_Browser.H>
#include <FL/fl_draw.H>
#include <FL/filename.H>
#include <FL/Fl_Image.H> // icon
#include <stdio.h>
#include <stdlib.h>
#include "flstring.h"
#ifdef __CYGWIN__
# include <mntent.h>
#elif defined(WIN32)
# include <windows.h>
# include <direct.h>
// Apparently Borland C++ defines DIRECTORY in <direct.h>, which
// interfers with the Fl_File_Icon enumeration of the same name.
# ifdef DIRECTORY
# undef DIRECTORY
# endif // DIRECTORY
#endif // __CYGWIN__
#ifdef __EMX__
# define INCL_DOS
# define INCL_DOSMISC
# include <os2.h>
#endif // __EMX__
#if defined(__APPLE__)
# include <sys/param.h>
# include <sys/ucred.h>
# include <sys/mount.h>
#endif // __APPLE__
#if defined(_AIX)
extern "C" {
# include <sys/types.h>
# include <sys/vmount.h>
# include <sys/mntctl.h>
// Older AIX versions don't expose this prototype
int
mntctl(int, int, char *);
}
#endif // _AIX
#if defined(__NetBSD__)
extern "C" {
# include <sys/param.h> // For '__NetBSD_Version__' definition
# if defined(__NetBSD_Version__) && (__NetBSD_Version__ >= 300000000)
# include <sys/types.h>
# include <sys/statvfs.h>
# if defined(HAVE_PTHREAD) && defined(HAVE_PTHREAD_H)
# include <pthread.h>
# endif // HAVE_PTHREAD && HAVE_PTHREAD_H
# ifdef HAVE_PTHREAD
static pthread_mutex_t getvfsstat_mutex = PTHREAD_MUTEX_INITIALIZER;
# endif // HAVE_PTHREAD/
# endif // __NetBSD_Version__
}
#endif // __NetBSD__
//
// FL_BLINE definition from "Fl_Browser.cxx"...
//
#define SELECTED 1
#define NOTDISPLAYED 2
// TODO -- Warning: The definition of FL_BLINE here is a hack.
// Fl_File_Browser should not do this. PLEASE FIX.
// FL_BLINE should be private to Fl_Browser, and not re-defined here.
// For now, make sure this struct is precisely consistent with Fl_Browser.cxx.
//
struct FL_BLINE // data is in a linked list of these
{
FL_BLINE *prev; // Previous item in list
FL_BLINE *next; // Next item in list
void *data; // Pointer to data (function)
Fl_Image *icon; // Pointer to optional icon
short length; // sizeof(txt)-1, may be longer than string
char flags; // selected, displayed
char txt[1]; // start of allocated array
};
//
// 'Fl_File_Browser::full_height()' - Return the height of the list.
//
int // O - Height in pixels
Fl_File_Browser::full_height() const
{
int i, // Looping var
th; // Total height of list.
for (i = 0, th = 0; i < size(); i ++)
th += item_height(find_line(i));
return (th);
}
//
// 'Fl_File_Browser::item_height()' - Return the height of a list item.
//
int // O - Height in pixels
Fl_File_Browser::item_height(void *p) const // I - List item data
{
FL_BLINE *line; // Pointer to line
char *t; // Pointer into text
int height; // Width of line
int textheight; // Height of text
// Figure out the standard text height...
fl_font(textfont(), textsize());
textheight = fl_height();
// We always have at least 1 line...
height = textheight;
// Scan for newlines...
line = (FL_BLINE *)p;
if (line != NULL)
for (t = line->txt; *t != '\0'; t ++)
if (*t == '\n')
height += textheight;
// If we have enabled icons then add space for them...
if (Fl_File_Icon::first() != NULL && height < iconsize_)
height = iconsize_;
// Add space for the selection border..
height += 2;
// Return the height
return (height);
}
//
// 'Fl_File_Browser::item_width()' - Return the width of a list item.
//
int // O - Width in pixels
Fl_File_Browser::item_width(void *p) const // I - List item data
{
int i; // Looping var
FL_BLINE *line; // Pointer to line
char *t, // Pointer into text
*ptr, // Pointer into fragment
fragment[10240]; // Fragment of text
int width, // Width of line
tempwidth; // Width of fragment
int column; // Current column
const int *columns; // Columns
// Scan for newlines...
line = (FL_BLINE *)p;
columns = column_widths();
// Set the font and size...
if (line->txt[strlen(line->txt) - 1] == '/')
fl_font(textfont() | FL_BOLD, textsize());
else
fl_font(textfont(), textsize());
if (strchr(line->txt, '\n') == NULL &&
strchr(line->txt, column_char()) == NULL)
{
// Do a fast width calculation...
width = (int)fl_width(line->txt);
}
else
{
// More than 1 line or have columns; find the maximum width...
width = 0;
tempwidth = 0;
column = 0;
for (t = line->txt, ptr = fragment; *t != '\0'; t ++)
if (*t == '\n')
{
// Newline - nul terminate this fragment and get the width...
*ptr = '\0';
tempwidth += (int)fl_width(fragment);
// Update the max width as needed...
if (tempwidth > width)
width = tempwidth;
// Point back to the start of the fragment...
ptr = fragment;
tempwidth = 0;
column = 0;
}
else if (*t == column_char())
{
// Advance to the next column...
column ++;
if (columns)
{
for (i = 0, tempwidth = 0; i < column && columns[i]; i ++)
tempwidth += columns[i];
}
else
tempwidth = column * (int)(fl_height() * 0.6 * 8.0);
if (tempwidth > width)
width = tempwidth;
ptr = fragment;
}
else
*ptr++ = *t;
if (ptr > fragment)
{
// Nul terminate this fragment and get the width...
*ptr = '\0';
tempwidth += (int)fl_width(fragment);
// Update the max width as needed...
if (tempwidth > width)
width = tempwidth;
}
}
// If we have enabled icons then add space for them...
if (Fl_File_Icon::first() != NULL)
width += iconsize_ + 8;
// Add space for the selection border..
width += 2;
// Return the width
return (width);
}
//
// 'Fl_File_Browser::item_draw()' - Draw a list item.
//
void
Fl_File_Browser::item_draw(void *p, // I - List item data
int X, // I - Upper-lefthand X coordinate
int Y, // I - Upper-lefthand Y coordinate
int W, // I - Width of item
int) const // I - Height of item
{
int i; // Looping var
FL_BLINE *line; // Pointer to line
Fl_Color c; // Text color
char *t, // Pointer into text
*ptr, // Pointer into fragment
fragment[10240]; // Fragment of text
int width, // Width of line
height; // Height of line
int column; // Current column
const int *columns; // Columns
// Draw the list item text...
line = (FL_BLINE *)p;
if (line->txt[strlen(line->txt) - 1] == '/')
fl_font(textfont() | FL_BOLD, textsize());
else
fl_font(textfont(), textsize());
if (line->flags & SELECTED)
c = fl_contrast(textcolor(), selection_color());
else
c = textcolor();
if (Fl_File_Icon::first() == NULL)
{
// No icons, just draw the text...
X ++;
W -= 2;
}
else
{
// Draw the icon if it is set...
if (line->data)
((Fl_File_Icon *)line->data)->draw(X, Y, iconsize_, iconsize_,
(line->flags & SELECTED) ? FL_YELLOW :
FL_LIGHT2,
active_r());
// Draw the text offset to the right...
X += iconsize_ + 9;
W -= iconsize_ - 10;
// Center the text vertically...
height = fl_height();
for (t = line->txt; *t != '\0'; t ++)
if (*t == '\n')
height += fl_height();
if (height < iconsize_)
Y += (iconsize_ - height) / 2;
}
// Draw the text...
line = (FL_BLINE *)p;
columns = column_widths();
width = 0;
column = 0;
if (active_r())
fl_color(c);
else
fl_color(fl_inactive(c));
for (t = line->txt, ptr = fragment; *t != '\0'; t ++)
if (*t == '\n')
{
// Newline - nul terminate this fragment and draw it...
*ptr = '\0';
fl_draw(fragment, X + width, Y, W - width, fl_height(),
(Fl_Align)(FL_ALIGN_LEFT | FL_ALIGN_CLIP), 0, 0);
// Point back to the start of the fragment...
ptr = fragment;
width = 0;
Y += fl_height();
column = 0;
}
else if (*t == column_char())
{
// Tab - nul terminate this fragment and draw it...
*ptr = '\0';
int cW = W - width; // Clip width...
if (columns)
{
// Try clipping inside this column...
for (i = 0; i < column && columns[i]; i ++) { ; }
if (columns[i])
cW = columns[i];
}
fl_draw(fragment, X + width, Y, cW, fl_height(),
(Fl_Align)(FL_ALIGN_LEFT | FL_ALIGN_CLIP), 0, 0);
// Advance to the next column...
column ++;
if (columns)
{
for (i = 0, width = 0; i < column && columns[i]; i ++)
width += columns[i];
}
else
width = column * (int)(fl_height() * 0.6 * 8.0);
ptr = fragment;
}
else
*ptr++ = *t;
if (ptr > fragment)
{
// Nul terminate this fragment and draw it...
*ptr = '\0';
fl_draw(fragment, X + width, Y, W - width, fl_height(),
(Fl_Align)(FL_ALIGN_LEFT | FL_ALIGN_CLIP), 0, 0);
}
}
//
// 'Fl_File_Browser::Fl_File_Browser()' - Create a Fl_File_Browser widget.
//
Fl_File_Browser::Fl_File_Browser(int X, // I - Upper-lefthand X coordinate
int Y, // I - Upper-lefthand Y coordinate
int W, // I - Width in pixels
int H, // I - Height in pixels
const char *l) // I - Label text
: Fl_Browser(X, Y, W, H, l)
{
// Initialize the filter pattern, current directory, and icon size...
pattern_ = "*";
directory_ = "";
iconsize_ = (uchar)(3 * textsize() / 2);
filetype_ = FILES;
}
//
// 'Fl_File_Browser::load()' - Load a directory into the browser.
//
int // O - Number of files loaded
Fl_File_Browser::load(const char *directory,// I - Directory to load
Fl_File_Sort_F *sort) // I - Sort function to use
{
int i; // Looping var
int num_files; // Number of files in directory
int num_dirs; // Number of directories in list
char filename[4096]; // Current file
Fl_File_Icon *icon; // Icon to use
// printf("Fl_File_Browser::load(\"%s\")\n", directory);
clear();
directory_ = directory;
if (!directory)
return (0);
if (directory_[0] == '\0')
{
//
// No directory specified; for UNIX list all mount points. For DOS
// list all valid drive letters...
//
num_files = 0;
if ((icon = Fl_File_Icon::find("any", Fl_File_Icon::DEVICE)) == NULL)
icon = Fl_File_Icon::find("any", Fl_File_Icon::DIRECTORY);
#ifdef WIN32
# ifdef __CYGWIN__
//
// Cygwin provides an implementation of setmntent() to get the list
// of available drives...
//
FILE *m = setmntent("/-not-used-", "r");
struct mntent *p;
while ((p = getmntent (m)) != NULL) {
add(p->mnt_dir, icon);
num_files ++;
}
endmntent(m);
# else
//
// Normal WIN32 code uses drive bits...
//
DWORD drives; // Drive available bits
drives = GetLogicalDrives();
for (i = 'A'; i <= 'Z'; i ++, drives >>= 1)
if (drives & 1)
{
sprintf(filename, "%c:/", i);
if (i < 'C') // see also: GetDriveType and GetVolumeInformation in WIN32
add(filename, icon);
else
add(filename, icon);
num_files ++;
}
# endif // __CYGWIN__
#elif defined(__EMX__)
//
// OS/2 code uses drive bits...
//
ULONG curdrive; // Current drive
ULONG drives; // Drive available bits
int start = 3; // 'C' (MRS - dunno if this is correct!)
DosQueryCurrentDisk(&curdrive, &drives);
drives >>= start - 1;
for (i = 'A'; i <= 'Z'; i ++, drives >>= 1)
if (drives & 1)
{
sprintf(filename, "%c:/", i);
add(filename, icon);
num_files ++;
}
#elif defined(__APPLE__)
// MacOS X and Darwin use getfsstat() system call...
int numfs; // Number of file systems
struct statfs *fs; // Buffer for file system info
// We always have the root filesystem.
add("/", icon);
// Get the mounted filesystems...
numfs = getfsstat(NULL, 0, MNT_NOWAIT);
if (numfs > 0) {
// We have file systems, get them...
fs = new struct statfs[numfs];
getfsstat(fs, sizeof(struct statfs) * numfs, MNT_NOWAIT);
// Add filesystems to the list...
for (i = 0; i < numfs; i ++) {
// Ignore "/", "/dev", and "/.vol"...
if (fs[i].f_mntonname[1] && strcmp(fs[i].f_mntonname, "/dev") &&
strcmp(fs[i].f_mntonname, "/.vol")) {
snprintf(filename, sizeof(filename), "%s/", fs[i].f_mntonname);
add(filename, icon);
}
num_files ++;
}
// Free the memory used for the file system info array...
delete[] fs;
}
#elif defined(_AIX)
// AIX don't write the mounted filesystems to a file like '/etc/mnttab'.
// But reading the list of mounted filesystems from the kernel is possible:
// http://publib.boulder.ibm.com/infocenter/pseries/v5r3/topic/com.ibm.aix.basetechref/doc/basetrf1/mntctl.htm
int res = -1, len;
char *list = NULL, *name;
struct vmount *vp;
// We always have the root filesystem
add("/", icon);
// Get the required buffer size for the vmount structures
res = mntctl(MCTL_QUERY, sizeof(len), (char *) &len);
if (!res) {
// Allocate buffer ...
list = (char *) malloc((size_t) len);
if (NULL == list) {
res = -1;
} else {
// ... and read vmount structures from kernel
res = mntctl(MCTL_QUERY, len, list);
if (0 >= res) {
res = -1;
} else {
for (i = 0, vp = (struct vmount *) list; i < res; ++i) {
name = (char *) vp + vp->vmt_data[VMT_STUB].vmt_off;
strlcpy(filename, name, sizeof(filename));
// Skip the already added root filesystem
if (strcmp("/", filename) != 0) {
strlcat(filename, "/", sizeof(filename));
add(filename, icon);
}
vp = (struct vmount *) ((char *) vp + vp->vmt_length);
}
}
}
}
// Note: Executing 'free(NULL)' is allowed and simply do nothing
free((void *) list);
#elif defined(__NetBSD__) && defined(__NetBSD_Version__) \
&& (__NetBSD_Version__ >= 300000000)
// NetBSD don't write the mounted filesystems to a file like '/etc/mnttab'.
// Since NetBSD 3.0 the system call getvfsstat(2) has replaced getfsstat(2)
// that is used by getmntinfo(3):
// http://www.daemon-systems.org/man/getmntinfo.3.html
int res = -1;
struct statvfs *list;
// We always have the root filesystem
add("/", icon);
# ifdef HAVE_PTHREAD
// Lock mutex for thread safety
if (!pthread_mutex_lock(&getvfsstat_mutex)) {
# endif // HAVE_PTHREAD
// Get list of statvfs structures
res = getmntinfo(&list, ST_WAIT);
if(0 < res) {
for (i = 0; i < res; ++i) {
strlcpy(filename, list[i].f_mntonname, sizeof(filename));
// Skip the already added root filesystem
if (strcmp("/", filename) != 0) {
strlcat(filename, "/", sizeof(filename));
add(filename, icon);
}
}
} else {
res = -1;
}
# ifdef HAVE_PTHREAD
pthread_mutex_unlock(&getvfsstat_mutex);
}
# endif // HAVE_PTHREAD
#else
//
// UNIX code uses /etc/fstab or similar...
//
FILE *mtab; // /etc/mtab or /etc/mnttab file
char line[FL_PATH_MAX]; // Input line
//
// Open the file that contains a list of mounted filesystems...
//
mtab = fl_fopen("/etc/mnttab", "r"); // Fairly standard
if (mtab == NULL)
mtab = fl_fopen("/etc/mtab", "r"); // More standard
if (mtab == NULL)
mtab = fl_fopen("/etc/fstab", "r"); // Otherwise fallback to full list
if (mtab == NULL)
mtab = fl_fopen("/etc/vfstab", "r"); // Alternate full list file
if (mtab != NULL)
{
while (fgets(line, sizeof(line), mtab) != NULL)
{
if (line[0] == '#' || line[0] == '\n')
continue;
if (sscanf(line, "%*s%4095s", filename) != 1)
continue;
// Add a trailing slash (except for the root filesystem)
if (strcmp("/", filename) != 0) {
strlcat(filename, "/", sizeof(filename));
}
// printf("Fl_File_Browser::load() - adding \"%s\" to list...\n", filename);
add(filename, icon);
num_files ++;
}
fclose(mtab);
} else {
// Every Unix has a root filesystem '/'.
// This last stage fallback ensures that the user don't get an empty
// window after requesting filesystem list.
add("/", icon);
}
#endif // WIN32 || __EMX__ || __APPLE__ || _AIX || ...
}
else
{
dirent **files; // Files in in directory
//
// Build the file list...
//
#if (defined(WIN32) && !defined(__CYGWIN__)) || defined(__EMX__)
strlcpy(filename, directory_, sizeof(filename));
i = (int) (strlen(filename) - 1);
if (i == 2 && filename[1] == ':' &&
(filename[2] == '/' || filename[2] == '\\'))
filename[2] = '/';
else if (filename[i] != '/' && filename[i] != '\\')
strlcat(filename, "/", sizeof(filename));
num_files = fl_filename_list(filename, &files, sort);
#else
num_files = fl_filename_list(directory_, &files, sort);
#endif /* WIN32 || __EMX__ */
if (num_files <= 0)
return (0);
for (i = 0, num_dirs = 0; i < num_files; i ++) {
if (strcmp(files[i]->d_name, "./")) {
snprintf(filename, sizeof(filename), "%s/%s", directory_,
files[i]->d_name);
icon = Fl_File_Icon::find(filename);
if ((icon && icon->type() == Fl_File_Icon::DIRECTORY) ||
_fl_filename_isdir_quick(filename)) {
num_dirs ++;
insert(num_dirs, files[i]->d_name, icon);
} else if (filetype_ == FILES &&
fl_filename_match(files[i]->d_name, pattern_)) {
add(files[i]->d_name, icon);
}
}
free(files[i]);
}
free(files);
}
return (num_files);
}
//
// 'Fl_File_Browser::filter()' - Set the filename filter.
//
void
Fl_File_Browser::filter(const char *pattern) // I - Pattern string
{
// If pattern is NULL set the pattern to "*"...
if (pattern)
pattern_ = pattern;
else
pattern_ = "*";
}
//
// End of "$Id: Fl_File_Browser.cxx 10145 2014-05-04 13:46:09Z manolo $".
//
|