OpenGL: transition to ARB FBOs, remove runtime checks
[blender.git] / source / blender / editors / space_file / filesel.c
1 /*
2  * ***** BEGIN GPL LICENSE BLOCK *****
3  *
4  * This program is free software; you can redistribute it and/or
5  * modify it under the terms of the GNU General Public License
6  * as published by the Free Software Foundation; either version 2
7  * of the License, or (at your option) any later version. 
8  *
9  * This program is distributed in the hope that it will be useful,
10  * but WITHOUT ANY WARRANTY; without even the implied warranty of
11  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
12  * GNU General Public License for more details.
13  *
14  * You should have received a copy of the GNU General Public License
15  * along with this program; if not, write to the Free Software Foundation,
16  * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
17  *
18  * The Original Code is Copyright (C) 2008 Blender Foundation.
19  * All rights reserved.
20  *
21  * 
22  * Contributor(s): Blender Foundation
23  *
24  * ***** END GPL LICENSE BLOCK *****
25  */
26
27 /** \file blender/editors/space_file/filesel.c
28  *  \ingroup spfile
29  */
30
31
32 #include <string.h>
33 #include <stdio.h>
34 #include <math.h>
35
36 #include <sys/stat.h>
37 #include <sys/types.h>
38
39 /* path/file handeling stuff */
40 #ifdef WIN32
41 #  include <io.h>
42 #  include <direct.h>
43 #  include "BLI_winstuff.h"
44 #else
45 #  include <unistd.h>
46 #  include <sys/times.h>
47 #  include <dirent.h>
48 #endif
49
50 #include "DNA_space_types.h"
51 #include "DNA_screen_types.h"
52 #include "DNA_userdef_types.h"
53
54 #include "MEM_guardedalloc.h"
55
56 #include "BLI_blenlib.h"
57 #include "BLI_utildefines.h"
58 #include "BLI_fileops_types.h"
59 #include "BLI_fnmatch.h"
60
61 #include "BKE_appdir.h"
62 #include "BKE_context.h"
63 #include "BKE_global.h"
64 #include "BKE_main.h"
65
66 #include "BLF_api.h"
67
68
69 #include "ED_fileselect.h"
70
71 #include "WM_api.h"
72 #include "WM_types.h"
73
74
75 #include "RNA_access.h"
76
77 #include "UI_interface.h"
78 #include "UI_interface_icons.h"
79
80 #include "file_intern.h"
81 #include "filelist.h"
82
83 FileSelectParams *ED_fileselect_get_params(struct SpaceFile *sfile)
84 {
85         if (!sfile->params) {
86                 ED_fileselect_set_params(sfile);
87         }
88         return sfile->params;
89 }
90
91 /**
92  * \note RNA_struct_property_is_set_ex is used here because we want
93  *       the previously used settings to be used here rather then overriding them */
94 short ED_fileselect_set_params(SpaceFile *sfile)
95 {
96         FileSelectParams *params;
97         wmOperator *op = sfile->op;
98
99         /* create new parameters if necessary */
100         if (!sfile->params) {
101                 sfile->params = MEM_callocN(sizeof(FileSelectParams), "fileselparams");
102                 /* set path to most recently opened .blend */
103                 BLI_split_dirfile(G.main->name, sfile->params->dir, sfile->params->file, sizeof(sfile->params->dir), sizeof(sfile->params->file));
104                 sfile->params->filter_glob[0] = '\0';
105                 /* set the default thumbnails size */
106                 sfile->params->thumbnail_size = 128;
107         }
108
109         params = sfile->params;
110
111         /* set the parameters from the operator, if it exists */
112         if (op) {
113                 PropertyRNA *prop;
114                 const bool is_files = (RNA_struct_find_property(op->ptr, "files") != NULL);
115                 const bool is_filepath = (RNA_struct_find_property(op->ptr, "filepath") != NULL);
116                 const bool is_filename = (RNA_struct_find_property(op->ptr, "filename") != NULL);
117                 const bool is_directory = (RNA_struct_find_property(op->ptr, "directory") != NULL);
118                 const bool is_relative_path = (RNA_struct_find_property(op->ptr, "relative_path") != NULL);
119
120                 BLI_strncpy_utf8(params->title, RNA_struct_ui_name(op->type->srna), sizeof(params->title));
121
122                 if ((prop = RNA_struct_find_property(op->ptr, "filemode"))) {
123                         params->type = RNA_property_int_get(op->ptr, prop);
124                 }
125                 else {
126                         params->type = FILE_SPECIAL;
127                 }
128
129                 if (is_filepath && RNA_struct_property_is_set_ex(op->ptr, "filepath", false)) {
130                         char name[FILE_MAX];
131                         RNA_string_get(op->ptr, "filepath", name);
132                         if (params->type == FILE_LOADLIB) {
133                                 BLI_strncpy(params->dir, name, sizeof(params->dir));
134                                 sfile->params->file[0] = '\0';
135                         }
136                         else {
137                                 BLI_split_dirfile(name, sfile->params->dir, sfile->params->file, sizeof(sfile->params->dir), sizeof(sfile->params->file));
138                         }
139                 }
140                 else {
141                         if (is_directory && RNA_struct_property_is_set_ex(op->ptr, "directory", false)) {
142                                 RNA_string_get(op->ptr, "directory", params->dir);
143                                 sfile->params->file[0] = '\0';
144                         }
145
146                         if (is_filename && RNA_struct_property_is_set_ex(op->ptr, "filename", false)) {
147                                 RNA_string_get(op->ptr, "filename", params->file);
148                         }
149                 }
150
151                 if (params->dir[0]) {
152                         BLI_cleanup_dir(G.main->name, params->dir);
153                         BLI_path_abs(params->dir, G.main->name);
154                 }
155
156                 if (is_directory == true && is_filename == false && is_filepath == false && is_files == false) {
157                         params->flag |= FILE_DIRSEL_ONLY;
158                 }
159                 else {
160                         params->flag &= ~FILE_DIRSEL_ONLY;
161                 }
162
163                 params->filter = 0;
164                 if ((prop = RNA_struct_find_property(op->ptr, "filter_blender")))
165                         params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_BLENDER : 0;
166                 if ((prop = RNA_struct_find_property(op->ptr, "filter_blenlib")))
167                         params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_BLENDERLIB : 0;
168                 if ((prop = RNA_struct_find_property(op->ptr, "filter_backup")))
169                         params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_BLENDER_BACKUP : 0;
170                 if ((prop = RNA_struct_find_property(op->ptr, "filter_image")))
171                         params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_IMAGE : 0;
172                 if ((prop = RNA_struct_find_property(op->ptr, "filter_movie")))
173                         params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_MOVIE : 0;
174                 if ((prop = RNA_struct_find_property(op->ptr, "filter_python")))
175                         params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_PYSCRIPT : 0;
176                 if ((prop = RNA_struct_find_property(op->ptr, "filter_font")))
177                         params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_FTFONT : 0;
178                 if ((prop = RNA_struct_find_property(op->ptr, "filter_sound")))
179                         params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_SOUND : 0;
180                 if ((prop = RNA_struct_find_property(op->ptr, "filter_text")))
181                         params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_TEXT : 0;
182                 if ((prop = RNA_struct_find_property(op->ptr, "filter_folder")))
183                         params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_FOLDER : 0;
184                 if ((prop = RNA_struct_find_property(op->ptr, "filter_btx")))
185                         params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_BTX : 0;
186                 if ((prop = RNA_struct_find_property(op->ptr, "filter_collada")))
187                         params->filter |= RNA_property_boolean_get(op->ptr, prop) ? FILE_TYPE_COLLADA : 0;
188                 if ((prop = RNA_struct_find_property(op->ptr, "filter_glob"))) {
189                         /* Protection against pyscripts not setting proper size limit... */
190                         char *tmp = RNA_property_string_get_alloc(
191                                         op->ptr, prop, params->filter_glob, sizeof(params->filter_glob), NULL);
192                         if (tmp != params->filter_glob) {
193                                 BLI_strncpy(params->filter_glob, tmp, sizeof(params->filter_glob));
194                                 MEM_freeN(tmp);
195                         }
196                         params->filter |= (FILE_TYPE_OPERATOR | FILE_TYPE_FOLDER);
197                 }
198                 else {
199                         params->filter_glob[0] = '\0';
200                 }
201
202                 if (params->filter != 0) {
203                         if (U.uiflag & USER_FILTERFILEEXTS) {
204                                 params->flag |= FILE_FILTER;
205                         }
206                         else {
207                                 params->flag &= ~FILE_FILTER;
208                         }
209                 }
210
211                 /* For now, always init filterid to 'all true' */
212                 params->filter_id = FILTER_ID_AC | FILTER_ID_AR | FILTER_ID_BR | FILTER_ID_CA | FILTER_ID_CU | FILTER_ID_GD |
213                                     FILTER_ID_GR | FILTER_ID_IM | FILTER_ID_LA | FILTER_ID_LS | FILTER_ID_LT | FILTER_ID_MA |
214                                     FILTER_ID_MB | FILTER_ID_MC | FILTER_ID_ME | FILTER_ID_MSK | FILTER_ID_NT | FILTER_ID_OB |
215                                     FILTER_ID_PAL | FILTER_ID_PC | FILTER_ID_SCE | FILTER_ID_SPK | FILTER_ID_SO |
216                                     FILTER_ID_TE | FILTER_ID_TXT | FILTER_ID_VF | FILTER_ID_WO;
217
218                 if (U.uiflag & USER_HIDE_DOT) {
219                         params->flag |= FILE_HIDE_DOT;
220                 }
221                 else {
222                         params->flag &= ~FILE_HIDE_DOT;
223                 }
224                 
225
226                 if (params->type == FILE_LOADLIB) {
227                         params->flag |= RNA_boolean_get(op->ptr, "link") ? FILE_LINK : 0;
228                         params->flag |= RNA_boolean_get(op->ptr, "autoselect") ? FILE_AUTOSELECT : 0;
229                         params->flag |= RNA_boolean_get(op->ptr, "active_layer") ? FILE_ACTIVELAY : 0;
230                 }
231
232                 if ((prop = RNA_struct_find_property(op->ptr, "display_type"))) {
233                         params->display = RNA_property_enum_get(op->ptr, prop);
234                 }
235
236                 if ((prop = RNA_struct_find_property(op->ptr, "sort_method"))) {
237                         params->sort = RNA_property_enum_get(op->ptr, prop);
238                 }
239                 else {
240                         params->sort = FILE_SORT_ALPHA;
241                 }
242
243                 if (params->display == FILE_DEFAULTDISPLAY) {
244                         if (U.uiflag & USER_SHOW_THUMBNAILS) {
245                                 if (params->filter & (FILE_TYPE_IMAGE | FILE_TYPE_MOVIE | FILE_TYPE_FTFONT))
246                                         params->display = FILE_IMGDISPLAY;
247                                 else
248                                         params->display = FILE_SHORTDISPLAY;
249                         }
250                         else {
251                                 params->display = FILE_SHORTDISPLAY;
252                         }
253                 }
254
255                 if (is_relative_path) {
256                         if ((prop = RNA_struct_find_property(op->ptr, "relative_path"))) {
257                                 if (!RNA_property_is_set_ex(op->ptr, prop, false)) {
258                                         RNA_property_boolean_set(op->ptr, prop, (U.flag & USER_RELPATHS) != 0);
259                                 }
260                         }
261                 }
262         }
263         else {
264                 /* default values, if no operator */
265                 params->type = FILE_UNIX;
266                 params->flag |= FILE_HIDE_DOT;
267                 params->flag &= ~FILE_DIRSEL_ONLY;
268                 params->display = FILE_SHORTDISPLAY;
269                 params->sort = FILE_SORT_ALPHA;
270                 params->filter = 0;
271                 params->filter_glob[0] = '\0';
272         }
273
274         /* operator has no setting for this */
275         params->active_file = -1;
276
277
278         /* initialize the list with previous folders */
279         if (!sfile->folders_prev)
280                 sfile->folders_prev = folderlist_new();
281
282         if (!sfile->params->dir[0]) {
283                 if (G.main->name[0]) {
284                         BLI_split_dir_part(G.main->name, sfile->params->dir, sizeof(sfile->params->dir));
285                 }
286                 else {
287                         const char *doc_path = BKE_appdir_folder_default();
288                         if (doc_path) {
289                                 BLI_strncpy(sfile->params->dir, doc_path, sizeof(sfile->params->dir));
290                         }
291                 }
292         }
293
294         folderlist_pushdir(sfile->folders_prev, sfile->params->dir);
295
296         /* switching thumbnails needs to recalc layout [#28809] */
297         if (sfile->layout) {
298                 sfile->layout->dirty = true;
299         }
300
301         return 1;
302 }
303
304 void ED_fileselect_reset_params(SpaceFile *sfile)
305 {
306         sfile->params->type = FILE_UNIX;
307         sfile->params->flag = 0;
308         sfile->params->title[0] = '\0';
309         sfile->params->active_file = -1;
310 }
311
312 /**
313  * Sets FileSelectParams->file (name of selected file)
314  */
315 void fileselect_file_set(SpaceFile *sfile, const int index)
316 {
317         const struct FileDirEntry *file = filelist_file(sfile->files, index);
318         if (file && file->relpath && file->relpath[0] && !(file->typeflag & FILE_TYPE_FOLDER)) {
319                 BLI_strncpy(sfile->params->file, file->relpath, FILE_MAXFILE);
320         }
321 }
322
323 int ED_fileselect_layout_numfiles(FileLayout *layout, ARegion *ar)
324 {
325         int numfiles;
326
327         /* Values in pixels.
328          *
329          * - *_item: size of each (row|col), (including padding)
330          * - *_view: (x|y) size of the view.
331          * - *_over: extra pixels, to take into account, when the fit isnt exact
332          *   (needed since you may see the end of the previous column and the beginning of the next).
333          *
334          * Could be more clever and take scrolling into account,
335          * but for now don't bother.
336          */
337         if (layout->flag & FILE_LAYOUT_HOR) {
338                 const int x_item = layout->tile_w + (2 * layout->tile_border_x);
339                 const int x_view = (int)(BLI_rctf_size_x(&ar->v2d.cur));
340                 const int x_over = x_item - (x_view % x_item);
341                 numfiles = (int)((float)(x_view + x_over) / (float)(x_item));
342                 return numfiles * layout->rows;
343         }
344         else {
345                 const int y_item = layout->tile_h + (2 * layout->tile_border_y);
346                 const int y_view = (int)(BLI_rctf_size_y(&ar->v2d.cur));
347                 const int y_over = y_item - (y_view % y_item);
348                 numfiles = (int)((float)(y_view + y_over) / (float)(y_item));
349                 return numfiles * layout->columns;
350         }
351 }
352
353 static bool is_inside(int x, int y, int cols, int rows)
354 {
355         return ((x >= 0) && (x < cols) && (y >= 0) && (y < rows));
356 }
357
358 FileSelection ED_fileselect_layout_offset_rect(FileLayout *layout, const rcti *rect)
359 {
360         int colmin, colmax, rowmin, rowmax;
361         FileSelection sel;
362         sel.first = sel.last = -1;
363
364         if (layout == NULL)
365                 return sel;
366         
367         colmin = (rect->xmin) / (layout->tile_w + 2 * layout->tile_border_x);
368         rowmin = (rect->ymin) / (layout->tile_h + 2 * layout->tile_border_y);
369         colmax = (rect->xmax) / (layout->tile_w + 2 * layout->tile_border_x);
370         rowmax = (rect->ymax) / (layout->tile_h + 2 * layout->tile_border_y);
371         
372         if (is_inside(colmin, rowmin, layout->columns, layout->rows) ||
373             is_inside(colmax, rowmax, layout->columns, layout->rows) )
374         {
375                 CLAMP(colmin, 0, layout->columns - 1);
376                 CLAMP(rowmin, 0, layout->rows - 1);
377                 CLAMP(colmax, 0, layout->columns - 1);
378                 CLAMP(rowmax, 0, layout->rows - 1);
379         }
380         
381         if ((colmin > layout->columns - 1) || (rowmin > layout->rows - 1)) {
382                 sel.first = -1;
383         }
384         else {
385                 if (layout->flag & FILE_LAYOUT_HOR) 
386                         sel.first = layout->rows * colmin + rowmin;
387                 else
388                         sel.first = colmin + layout->columns * rowmin;
389         }
390         if ((colmax > layout->columns - 1) || (rowmax > layout->rows - 1)) {
391                 sel.last = -1;
392         }
393         else {
394                 if (layout->flag & FILE_LAYOUT_HOR) 
395                         sel.last = layout->rows * colmax + rowmax;
396                 else
397                         sel.last = colmax + layout->columns * rowmax;
398         }
399
400         return sel;
401 }
402
403 int ED_fileselect_layout_offset(FileLayout *layout, int x, int y)
404 {
405         int offsetx, offsety;
406         int active_file;
407
408         if (layout == NULL)
409                 return -1;
410         
411         offsetx = (x) / (layout->tile_w + 2 * layout->tile_border_x);
412         offsety = (y) / (layout->tile_h + 2 * layout->tile_border_y);
413         
414         if (offsetx > layout->columns - 1) return -1;
415         if (offsety > layout->rows - 1) return -1;
416         
417         if (layout->flag & FILE_LAYOUT_HOR) 
418                 active_file = layout->rows * offsetx + offsety;
419         else
420                 active_file = offsetx + layout->columns * offsety;
421         return active_file;
422 }
423
424 void ED_fileselect_layout_tilepos(FileLayout *layout, int tile, int *x, int *y)
425 {
426         if (layout->flag == FILE_LAYOUT_HOR) {
427                 *x = layout->tile_border_x + (tile / layout->rows) * (layout->tile_w + 2 * layout->tile_border_x);
428                 *y = layout->tile_border_y + (tile % layout->rows) * (layout->tile_h + 2 * layout->tile_border_y);
429         }
430         else {
431                 *x = layout->tile_border_x + ((tile) % layout->columns) * (layout->tile_w + 2 * layout->tile_border_x);
432                 *y = layout->tile_border_y + ((tile) / layout->columns) * (layout->tile_h + 2 * layout->tile_border_y);
433         }
434 }
435
436 float file_string_width(const char *str)
437 {
438         uiStyle *style = UI_style_get();
439         float width;
440
441         UI_fontstyle_set(&style->widget);
442         if (style->widget.kerning == 1) {  /* for BLF_width */
443                 BLF_enable(style->widget.uifont_id, BLF_KERNING_DEFAULT);
444         }
445
446         width = BLF_width(style->widget.uifont_id, str, BLF_DRAW_STR_DUMMY_MAX);
447
448         if (style->widget.kerning == 1) {
449                 BLF_disable(style->widget.uifont_id, BLF_KERNING_DEFAULT);
450         }
451
452         return width;
453 }
454
455 float file_font_pointsize(void)
456 {
457 #if 0
458         float s;
459         char tmp[2] = "X";
460         uiStyle *style = UI_style_get();
461         UI_fontstyle_set(&style->widget);
462         s = BLF_height(style->widget.uifont_id, tmp);
463         return style->widget.points;
464 #else
465         uiStyle *style = UI_style_get();
466         UI_fontstyle_set(&style->widget);
467         return style->widget.points * UI_DPI_FAC;
468 #endif
469 }
470
471 static void column_widths(FileSelectParams *params, struct FileLayout *layout)
472 {
473         int i;
474         const bool small_size = SMALL_SIZE_CHECK(params->thumbnail_size);
475
476         for (i = 0; i < MAX_FILE_COLUMN; ++i) {
477                 layout->column_widths[i] = 0;
478         }
479
480         layout->column_widths[COLUMN_NAME] = ((float)params->thumbnail_size / 8.0f) * UI_UNIT_X;
481         /* Biggest possible reasonable values... */
482         layout->column_widths[COLUMN_DATE] = file_string_width(small_size ? "23/08/89" : "23-Dec-89");
483         layout->column_widths[COLUMN_TIME] = file_string_width("23:59");
484         layout->column_widths[COLUMN_SIZE] = file_string_width(small_size ? "98.7 M" : "98.7 MiB");
485 }
486
487 void ED_fileselect_init_layout(struct SpaceFile *sfile, ARegion *ar)
488 {
489         FileSelectParams *params = ED_fileselect_get_params(sfile);
490         FileLayout *layout = NULL;
491         View2D *v2d = &ar->v2d;
492         int maxlen = 0;
493         int numfiles;
494         int textheight;
495
496         if (sfile->layout == NULL) {
497                 sfile->layout = MEM_callocN(sizeof(struct FileLayout), "file_layout");
498                 sfile->layout->dirty = true;
499         }
500         else if (sfile->layout->dirty == false) {
501                 return;
502         }
503
504         numfiles = filelist_files_ensure(sfile->files);
505         textheight = (int)file_font_pointsize();
506         layout = sfile->layout;
507         layout->textheight = textheight;
508
509         if (params->display == FILE_IMGDISPLAY) {
510                 layout->prv_w = ((float)params->thumbnail_size / 20.0f) * UI_UNIT_X;
511                 layout->prv_h = ((float)params->thumbnail_size / 20.0f) * UI_UNIT_Y;
512                 layout->tile_border_x = 0.3f * UI_UNIT_X;
513                 layout->tile_border_y = 0.3f * UI_UNIT_X;
514                 layout->prv_border_x = 0.3f * UI_UNIT_X;
515                 layout->prv_border_y = 0.3f * UI_UNIT_Y;
516                 layout->tile_w = layout->prv_w + 2 * layout->prv_border_x;
517                 layout->tile_h = layout->prv_h + 2 * layout->prv_border_y + textheight;
518                 layout->width = (int)(BLI_rctf_size_x(&v2d->cur) - 2 * layout->tile_border_x);
519                 layout->columns = layout->width / (layout->tile_w + 2 * layout->tile_border_x);
520                 if (layout->columns > 0)
521                         layout->rows = numfiles / layout->columns + 1;  // XXX dirty, modulo is zero
522                 else {
523                         layout->columns = 1;
524                         layout->rows = numfiles + 1; // XXX dirty, modulo is zero
525                 }
526                 layout->height = sfile->layout->rows * (layout->tile_h + 2 * layout->tile_border_y) + layout->tile_border_y * 2;
527                 layout->flag = FILE_LAYOUT_VER;
528         }
529         else {
530                 int column_space = 0.6f * UI_UNIT_X;
531                 int column_icon_space = 0.2f * UI_UNIT_X;
532
533                 layout->prv_w = 0;
534                 layout->prv_h = 0;
535                 layout->tile_border_x = 0.4f * UI_UNIT_X;
536                 layout->tile_border_y = 0.1f * UI_UNIT_Y;
537                 layout->prv_border_x = 0;
538                 layout->prv_border_y = 0;
539                 layout->tile_h = textheight * 3 / 2;
540                 layout->height = (int)(BLI_rctf_size_y(&v2d->cur) - 2 * layout->tile_border_y);
541                 layout->rows = layout->height / (layout->tile_h + 2 * layout->tile_border_y);
542
543                 column_widths(params, layout);
544
545                 if (params->display == FILE_SHORTDISPLAY) {
546                         maxlen = ICON_DEFAULT_WIDTH_SCALE + column_icon_space +
547                                  (int)layout->column_widths[COLUMN_NAME] + column_space +
548                                  (int)layout->column_widths[COLUMN_SIZE] + column_space;
549                 }
550                 else {
551                         maxlen = ICON_DEFAULT_WIDTH_SCALE + column_icon_space +
552                                  (int)layout->column_widths[COLUMN_NAME] + column_space +
553                                  (int)layout->column_widths[COLUMN_DATE] + column_space +
554                                  (int)layout->column_widths[COLUMN_TIME] + column_space +
555                                  (int)layout->column_widths[COLUMN_SIZE] + column_space;
556
557                 }
558                 layout->tile_w = maxlen;
559                 if (layout->rows > 0)
560                         layout->columns = numfiles / layout->rows + 1;  // XXX dirty, modulo is zero
561                 else {
562                         layout->rows = 1;
563                         layout->columns = numfiles + 1; // XXX dirty, modulo is zero
564                 }
565                 layout->width = sfile->layout->columns * (layout->tile_w + 2 * layout->tile_border_x) + layout->tile_border_x * 2;
566                 layout->flag = FILE_LAYOUT_HOR;
567         }
568         layout->dirty = false;
569 }
570
571 FileLayout *ED_fileselect_get_layout(struct SpaceFile *sfile, ARegion *ar)
572 {
573         if (!sfile->layout) {
574                 ED_fileselect_init_layout(sfile, ar);
575         }
576         return sfile->layout;
577 }
578
579 void ED_file_change_dir(bContext *C)
580 {
581         wmWindowManager *wm = CTX_wm_manager(C);
582         SpaceFile *sfile = CTX_wm_space_file(C);
583         ScrArea *sa = CTX_wm_area(C);
584
585         if (sfile->params) {
586                 ED_fileselect_clear(wm, sa, sfile);
587
588                 /* Clear search string, it is very rare to want to keep that filter while changing dir,
589                  * and usually very annoying to keep it actually! */
590                 sfile->params->filter_search[0] = '\0';
591                 sfile->params->active_file = -1;
592
593                 if (!file_is_dir(sfile, sfile->params->dir)) {
594                         BLI_strncpy(sfile->params->dir, filelist_dir(sfile->files), sizeof(sfile->params->dir));
595                         /* could return but just refresh the current dir */
596                 }
597                 filelist_setdir(sfile->files, sfile->params->dir);
598
599                 if (folderlist_clear_next(sfile))
600                         folderlist_free(sfile->folders_next);
601
602                 folderlist_pushdir(sfile->folders_prev, sfile->params->dir);
603
604                 file_draw_check(C);
605         }
606 }
607
608 int file_select_match(struct SpaceFile *sfile, const char *pattern, char *matched_file)
609 {
610         int match = 0;
611         
612         int i;
613         FileDirEntry *file;
614         int n = filelist_files_ensure(sfile->files);
615
616         /* select any file that matches the pattern, this includes exact match 
617          * if the user selects a single file by entering the filename
618          */
619         for (i = 0; i < n; i++) {
620                 file = filelist_file(sfile->files, i);
621                 /* Do not check whether file is a file or dir here! Causes T44243 (we do accept dirs at this stage). */
622                 if (fnmatch(pattern, file->relpath, 0) == 0) {
623                         filelist_entry_select_set(sfile->files, file, FILE_SEL_ADD, FILE_SEL_SELECTED, CHECK_ALL);
624                         if (!match) {
625                                 BLI_strncpy(matched_file, file->relpath, FILE_MAX);
626                         }
627                         match++;
628                 }
629         }
630
631         return match;
632 }
633
634 int autocomplete_directory(struct bContext *C, char *str, void *UNUSED(arg_v))
635 {
636         SpaceFile *sfile = CTX_wm_space_file(C);
637         int match = AUTOCOMPLETE_NO_MATCH;
638
639         /* search if str matches the beginning of name */
640         if (str[0] && sfile->files) {
641                 char dirname[FILE_MAX];
642
643                 DIR *dir;
644                 struct dirent *de;
645                 
646                 BLI_split_dir_part(str, dirname, sizeof(dirname));
647
648                 dir = opendir(dirname);
649
650                 if (dir) {
651                         AutoComplete *autocpl = UI_autocomplete_begin(str, FILE_MAX);
652
653                         while ((de = readdir(dir)) != NULL) {
654                                 if (FILENAME_IS_CURRPAR(de->d_name)) {
655                                         /* pass */
656                                 }
657                                 else {
658                                         char path[FILE_MAX];
659                                         BLI_stat_t status;
660                                         
661                                         BLI_join_dirfile(path, sizeof(path), dirname, de->d_name);
662
663                                         if (BLI_stat(path, &status) == 0) {
664                                                 if (S_ISDIR(status.st_mode)) { /* is subdir */
665                                                         UI_autocomplete_update_name(autocpl, path);
666                                                 }
667                                         }
668                                 }
669                         }
670                         closedir(dir);
671
672                         match = UI_autocomplete_end(autocpl, str);
673                         if (match == AUTOCOMPLETE_FULL_MATCH) {
674                                 BLI_add_slash(str);
675                         }
676                 }
677         }
678
679         return match;
680 }
681
682 int autocomplete_file(struct bContext *C, char *str, void *UNUSED(arg_v))
683 {
684         SpaceFile *sfile = CTX_wm_space_file(C);
685         int match = AUTOCOMPLETE_NO_MATCH;
686
687         /* search if str matches the beginning of name */
688         if (str[0] && sfile->files) {
689                 AutoComplete *autocpl = UI_autocomplete_begin(str, FILE_MAX);
690                 int nentries = filelist_files_ensure(sfile->files);
691                 int i;
692
693                 for (i = 0; i < nentries; ++i) {
694                         FileDirEntry *file = filelist_file(sfile->files, i);
695                         UI_autocomplete_update_name(autocpl, file->relpath);
696                 }
697                 match = UI_autocomplete_end(autocpl, str);
698         }
699
700         return match;
701 }
702
703 void ED_fileselect_clear(wmWindowManager *wm, ScrArea *sa, SpaceFile *sfile)
704 {
705         /* only NULL in rare cases - [#29734] */
706         if (sfile->files) {
707                 filelist_readjob_stop(wm, sa);
708                 filelist_freelib(sfile->files);
709                 filelist_clear(sfile->files);
710         }
711
712         sfile->params->highlight_file = -1;
713         WM_main_add_notifier(NC_SPACE | ND_SPACE_FILE_LIST, NULL);
714 }
715
716 void ED_fileselect_exit(wmWindowManager *wm, ScrArea *sa, SpaceFile *sfile)
717 {
718         if (!sfile) return;
719         if (sfile->op) {
720                 WM_event_fileselect_event(wm, sfile->op, EVT_FILESELECT_EXTERNAL_CANCEL);
721                 sfile->op = NULL;
722         }
723
724         folderlist_free(sfile->folders_prev);
725         folderlist_free(sfile->folders_next);
726         
727         if (sfile->files) {
728                 ED_fileselect_clear(wm, sa, sfile);
729                 filelist_free(sfile->files);
730                 MEM_freeN(sfile->files);
731                 sfile->files = NULL;
732         }
733
734 }