improved vficon_populate
[geeqie.git] / src / view_file_icon.c
1 /*
2  * Geeqie
3  * (C) 2006 John Ellis
4  * Copyright (C) 2008 The Geeqie Team
5  *
6  * Author: John Ellis
7  *
8  * This software is released under the GNU General Public License (GNU GPL).
9  * Please read the included file COPYING for more information.
10  * This software comes with no warranty of any kind, use at your own risk!
11  */
12
13 #include "main.h"
14 #include "view_file_icon.h"
15
16 #include "cellrenderericon.h"
17 #include "collect.h"
18 #include "collect-io.h"
19 #include "collect-table.h"
20 #include "dnd.h"
21 #include "editors.h"
22 #include "img-view.h"
23 #include "info.h"
24 #include "filedata.h"
25 #include "layout.h"
26 #include "layout_image.h"
27 #include "menu.h"
28 #include "thumb.h"
29 #include "utilops.h"
30 #include "ui_bookmark.h"
31 #include "ui_fileops.h"
32 #include "ui_menu.h"
33 #include "ui_tree_edit.h"
34 #include "view_file.h"
35
36 #include <gdk/gdkkeysyms.h> /* for keyboard values */
37
38
39 /* between these, the icon width is increased by thumb_max_width / 2 */
40 #define THUMB_MIN_ICON_WIDTH 128
41 #define THUMB_MAX_ICON_WIDTH 150
42
43 #define VFICON_MAX_COLUMNS 32
44 #define THUMB_BORDER_PADDING 2
45
46 #define VFICON_TIP_DELAY 500
47
48 enum {
49         FILE_COLUMN_POINTER = 0,
50         FILE_COLUMN_COUNT
51 };
52
53 typedef enum {
54         SELECTION_NONE          = 0,
55         SELECTION_SELECTED      = 1 << 0,
56         SELECTION_PRELIGHT      = 1 << 1,
57         SELECTION_FOCUS         = 1 << 2
58 } SelectionType;
59
60 typedef struct _IconData IconData;
61 struct _IconData
62 {
63         SelectionType selected;
64         gint row;
65         FileData *fd;
66 };
67
68 static void vficon_notify_cb(FileData *fd, NotifyType type, gpointer data);
69 static gint vficon_index_by_id(ViewFile *vf, IconData *in_id);
70
71 static IconData *vficon_icon_data(ViewFile *vf, FileData *fd)
72 {
73         IconData *id = NULL;
74         GList *work;
75
76         if (!fd) return NULL;
77         work = vf->list;
78         while (work && !id)
79                 {
80                 IconData *chk = work->data;
81                 work = work->next;
82                 if (chk->fd == fd) id = chk;
83                 }
84         return id;
85 }
86
87
88 static gint iconlist_read(FileData *dir_fd, GList **list)
89 {
90         GList *temp;
91         GList *work;
92
93         if (!filelist_read(dir_fd, &temp, NULL)) return FALSE;
94
95         work = temp;
96         while (work)
97                 {
98                 FileData *fd;
99                 IconData *id;
100
101                 fd = work->data;
102                 g_assert(fd->magick == 0x12345678);
103                 id = g_new0(IconData, 1);
104
105                 id->selected = SELECTION_NONE;
106                 id->row = -1;
107                 id->fd = fd;
108
109                 work->data = id;
110                 work = work->next;
111                 }
112
113         *list = temp;
114
115         return TRUE;
116 }
117
118 static void iconlist_free(GList *list)
119 {
120         GList *work = list;
121         while (work)
122                 {
123                 IconData *id = work->data;
124                 file_data_unref(id->fd);
125                 g_free(id);
126                 work = work->next;
127                 }
128
129         g_list_free(list);
130
131 }
132
133 gint iconlist_sort_file_cb(void *a, void *b)
134 {
135         IconData *ida = a;
136         IconData *idb = b;
137         return filelist_sort_compare_filedata(ida->fd, idb->fd);
138 }
139
140 GList *iconlist_sort(GList *list, SortType method, gint ascend)
141 {
142         return filelist_sort_full(list, method, ascend, (GCompareFunc) iconlist_sort_file_cb);
143 }
144
145 GList *iconlist_insert_sort(GList *list, IconData *id, SortType method, gint ascend)
146 {
147         return filelist_insert_sort_full(list, id, method, ascend, (GCompareFunc) iconlist_sort_file_cb);
148 }
149
150
151 static void vficon_toggle_filenames(ViewFile *vf);
152 static void vficon_selection_remove(ViewFile *vf, IconData *id, SelectionType mask, GtkTreeIter *iter);
153 static void vficon_move_focus(ViewFile *vf, gint row, gint col, gint relative);
154 static void vficon_set_focus(ViewFile *vf, IconData *id);
155 static void vficon_thumb_update(ViewFile *vf);
156 static void vficon_populate_at_new_size(ViewFile *vf, gint w, gint h, gint force);
157
158
159 /*
160  *-----------------------------------------------------------------------------
161  * pop-up menu
162  *-----------------------------------------------------------------------------
163  */
164
165 GList *vficon_pop_menu_file_list(ViewFile *vf)
166 {
167         if (!VFICON_INFO(vf, click_id)) return NULL;
168
169         if (VFICON_INFO(vf, click_id)->selected & SELECTION_SELECTED)
170                 {
171                 return vf_selection_get_list(vf);
172                 }
173
174         return g_list_append(NULL, file_data_ref(VFICON_INFO(vf, click_id)->fd));
175 }
176
177 void vficon_pop_menu_view_cb(GtkWidget *widget, gpointer data)
178 {
179         ViewFile *vf = data;
180
181         if (!VFICON_INFO(vf, click_id)) return;
182
183         if (VFICON_INFO(vf, click_id)->selected & SELECTION_SELECTED)
184                 {
185                 GList *list;
186
187                 list = vf_selection_get_list(vf);
188                 view_window_new_from_list(list);
189                 filelist_free(list);
190                 }
191         else
192                 {
193                 view_window_new(VFICON_INFO(vf, click_id)->fd);
194                 }
195 }
196
197 void vficon_pop_menu_rename_cb(GtkWidget *widget, gpointer data)
198 {
199         ViewFile *vf = data;
200
201         file_util_rename(NULL, vf_pop_menu_file_list(vf), vf->listview);
202 }
203
204 void vficon_pop_menu_show_names_cb(GtkWidget *widget, gpointer data)
205 {
206         ViewFile *vf = data;
207
208         vficon_toggle_filenames(vf);
209 }
210
211 void vficon_pop_menu_refresh_cb(GtkWidget *widget, gpointer data)
212 {
213         ViewFile *vf = data;
214
215         vf_refresh(vf);
216 }
217
218 void vficon_popup_destroy_cb(GtkWidget *widget, gpointer data)
219 {
220         ViewFile *vf = data;
221         vficon_selection_remove(vf, VFICON_INFO(vf, click_id), SELECTION_PRELIGHT, NULL);
222         VFICON_INFO(vf, click_id) = NULL;
223         vf->popup = NULL;
224 }
225
226 /*
227  *-------------------------------------------------------------------
228  * signals
229  *-------------------------------------------------------------------
230  */
231
232 static void vficon_send_layout_select(ViewFile *vf, IconData *id)
233 {
234         FileData *read_ahead_fd = NULL;
235         FileData *sel_fd;
236         FileData *cur_fd;
237
238         if (!vf->layout || !id || !id->fd) return;
239
240         sel_fd = id->fd;
241
242         cur_fd = layout_image_get_fd(vf->layout);
243         if (sel_fd == cur_fd) return; /* no change */
244
245         if (options->image.enable_read_ahead)
246                 {
247                 gint row;
248
249                 row = g_list_index(vf->list, id);
250                 if (row > vficon_index_by_fd(vf, cur_fd) &&
251                     (guint) (row + 1) < vf_count(vf, NULL))
252                         {
253                         read_ahead_fd = vf_index_get_data(vf, row + 1);
254                         }
255                 else if (row > 0)
256                         {
257                         read_ahead_fd = vf_index_get_data(vf, row - 1);
258                         }
259                 }
260
261         layout_image_set_with_ahead(vf->layout, sel_fd, read_ahead_fd);
262 }
263
264 static void vficon_toggle_filenames(ViewFile *vf)
265 {
266         VFICON_INFO(vf, show_text) = !VFICON_INFO(vf, show_text);
267         options->show_icon_names = VFICON_INFO(vf, show_text);
268
269         vficon_populate_at_new_size(vf, vf->listview->allocation.width, vf->listview->allocation.height, TRUE);
270 }
271
272 static gint vficon_get_icon_width(ViewFile *vf)
273 {
274         gint width;
275
276         if (!VFICON_INFO(vf, show_text)) return options->thumbnails.max_width;
277
278         width = options->thumbnails.max_width + options->thumbnails.max_width / 2;
279         if (width < THUMB_MIN_ICON_WIDTH) width = THUMB_MIN_ICON_WIDTH;
280         if (width > THUMB_MAX_ICON_WIDTH) width = options->thumbnails.max_width;
281
282         return width;
283 }
284
285 /*
286  *-------------------------------------------------------------------
287  * misc utils
288  *-------------------------------------------------------------------
289  */
290
291 static gint vficon_find_position(ViewFile *vf, IconData *id, gint *row, gint *col)
292 {
293         gint n;
294
295         n = g_list_index(vf->list, id);
296
297         if (n < 0) return FALSE;
298
299         *row = n / VFICON_INFO(vf, columns);
300         *col = n - (*row * VFICON_INFO(vf, columns));
301
302         return TRUE;
303 }
304
305 static gint vficon_find_iter(ViewFile *vf, IconData *id, GtkTreeIter *iter, gint *column)
306 {
307         GtkTreeModel *store;
308         gint row, col;
309
310         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vf->listview));
311         if (!vficon_find_position(vf, id, &row, &col)) return FALSE;
312         if (!gtk_tree_model_iter_nth_child(store, iter, NULL, row)) return FALSE;
313         if (column) *column = col;
314
315         return TRUE;
316 }
317
318 static IconData *vficon_find_data(ViewFile *vf, gint row, gint col, GtkTreeIter *iter)
319 {
320         GtkTreeModel *store;
321         GtkTreeIter p;
322
323         if (row < 0 || col < 0) return NULL;
324
325         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vf->listview));
326         if (gtk_tree_model_iter_nth_child(store, &p, NULL, row))
327                 {
328                 GList *list;
329
330                 gtk_tree_model_get(store, &p, FILE_COLUMN_POINTER, &list, -1);
331                 if (!list) return NULL;
332
333                 if (iter) *iter = p;
334
335                 return g_list_nth_data(list, col);
336                 }
337
338         return NULL;
339 }
340
341 static IconData *vficon_find_data_by_coord(ViewFile *vf, gint x, gint y, GtkTreeIter *iter)
342 {
343         GtkTreePath *tpath;
344         GtkTreeViewColumn *column;
345
346         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(vf->listview), x, y,
347                                           &tpath, &column, NULL, NULL))
348                 {
349                 GtkTreeModel *store;
350                 GtkTreeIter row;
351                 GList *list;
352                 gint n;
353
354                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vf->listview));
355                 gtk_tree_model_get_iter(store, &row, tpath);
356                 gtk_tree_path_free(tpath);
357
358                 gtk_tree_model_get(store, &row, FILE_COLUMN_POINTER, &list, -1);
359
360                 n = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(column), "column_number"));
361                 if (list)
362                         {
363                         if (iter) *iter = row;
364                         return g_list_nth_data(list, n);
365                         }
366                 }
367
368         return NULL;
369 }
370
371 /*
372  *-------------------------------------------------------------------
373  * tooltip type window
374  *-------------------------------------------------------------------
375  */
376
377 static void tip_show(ViewFile *vf)
378 {
379         GtkWidget *label;
380         gint x, y;
381
382         if (VFICON_INFO(vf, tip_window)) return;
383
384         gdk_window_get_pointer(gtk_tree_view_get_bin_window(GTK_TREE_VIEW(vf->listview)), &x, &y, NULL);
385
386         VFICON_INFO(vf, tip_id) = vficon_find_data_by_coord(vf, x, y, NULL);
387         if (!VFICON_INFO(vf, tip_id)) return;
388
389         VFICON_INFO(vf, tip_window) = gtk_window_new(GTK_WINDOW_POPUP);
390         gtk_window_set_resizable(GTK_WINDOW(VFICON_INFO(vf, tip_window)), FALSE);
391         gtk_container_set_border_width(GTK_CONTAINER(VFICON_INFO(vf, tip_window)), 2);
392
393         label = gtk_label_new(VFICON_INFO(vf, tip_id)->fd->name);
394
395         g_object_set_data(G_OBJECT(VFICON_INFO(vf, tip_window)), "tip_label", label);
396         gtk_container_add(GTK_CONTAINER(VFICON_INFO(vf, tip_window)), label);
397         gtk_widget_show(label);
398
399         gdk_window_get_pointer(NULL, &x, &y, NULL);
400
401         if (!GTK_WIDGET_REALIZED(VFICON_INFO(vf, tip_window))) gtk_widget_realize(VFICON_INFO(vf, tip_window));
402         gtk_window_move(GTK_WINDOW(VFICON_INFO(vf, tip_window)), x + 16, y + 16);
403         gtk_widget_show(VFICON_INFO(vf, tip_window));
404 }
405
406 static void tip_hide(ViewFile *vf)
407 {
408         if (VFICON_INFO(vf, tip_window)) gtk_widget_destroy(VFICON_INFO(vf, tip_window));
409         VFICON_INFO(vf, tip_window) = NULL;
410 }
411
412 static gint tip_schedule_cb(gpointer data)
413 {
414         ViewFile *vf = data;
415         GtkWidget *window;
416
417         if (VFICON_INFO(vf, tip_delay_id) == -1) return FALSE;
418
419         window = gtk_widget_get_toplevel(vf->listview);
420
421         if (GTK_WIDGET_SENSITIVE(window) &&
422             GTK_WINDOW(window)->has_focus)
423                 {
424                 tip_show(vf);
425                 }
426
427         VFICON_INFO(vf, tip_delay_id) = -1;
428         return FALSE;
429 }
430
431 static void tip_schedule(ViewFile *vf)
432 {
433         tip_hide(vf);
434
435         if (VFICON_INFO(vf, tip_delay_id) != -1)
436                 {
437                 g_source_remove(VFICON_INFO(vf, tip_delay_id));
438                 VFICON_INFO(vf, tip_delay_id) = -1;
439                 }
440
441         if (!VFICON_INFO(vf, show_text))
442                 {
443                 VFICON_INFO(vf, tip_delay_id) = g_timeout_add(VFICON_TIP_DELAY, tip_schedule_cb, vf);
444                 }
445 }
446
447 static void tip_unschedule(ViewFile *vf)
448 {
449         tip_hide(vf);
450
451         if (VFICON_INFO(vf, tip_delay_id) != -1) g_source_remove(VFICON_INFO(vf, tip_delay_id));
452         VFICON_INFO(vf, tip_delay_id) = -1;
453 }
454
455 static void tip_update(ViewFile *vf, IconData *id)
456 {
457         if (VFICON_INFO(vf, tip_window))
458                 {
459                 gint x, y;
460
461                 gdk_window_get_pointer(NULL, &x, &y, NULL);
462                 gtk_window_move(GTK_WINDOW(VFICON_INFO(vf, tip_window)), x + 16, y + 16);
463
464                 if (id != VFICON_INFO(vf, tip_id))
465                         {
466                         GtkWidget *label;
467
468                         VFICON_INFO(vf, tip_id) = id;
469
470                         if (!VFICON_INFO(vf, tip_id))
471                                 {
472                                 tip_hide(vf);
473                                 tip_schedule(vf);
474                                 return;
475                                 }
476
477                         label = g_object_get_data(G_OBJECT(VFICON_INFO(vf, tip_window)), "tip_label");
478                         gtk_label_set_text(GTK_LABEL(label), VFICON_INFO(vf, tip_id)->fd->name);
479                         }
480                 }
481         else
482                 {
483                 tip_schedule(vf);
484                 }
485 }
486
487 /*
488  *-------------------------------------------------------------------
489  * dnd
490  *-------------------------------------------------------------------
491  */
492
493 static void vficon_dnd_get(GtkWidget *widget, GdkDragContext *context,
494                            GtkSelectionData *selection_data, guint info,
495                            guint time, gpointer data)
496 {
497         ViewFile *vf = data;
498         GList *list = NULL;
499         gchar *uri_text = NULL;
500         gint total;
501
502         if (!VFICON_INFO(vf, click_id)) return;
503
504         if (VFICON_INFO(vf, click_id)->selected & SELECTION_SELECTED)
505                 {
506                 list = vf_selection_get_list(vf);
507                 }
508         else
509                 {
510                 list = g_list_append(NULL, file_data_ref(VFICON_INFO(vf, click_id)->fd));
511                 }
512
513         if (!list) return;
514         uri_text = uri_text_from_filelist(list, &total, (info == TARGET_TEXT_PLAIN));
515         filelist_free(list);
516
517         DEBUG_1(uri_text);
518
519         gtk_selection_data_set(selection_data, selection_data->target,
520                                8, (guchar *)uri_text, total);
521         g_free(uri_text);
522 }
523
524 static void vficon_dnd_begin(GtkWidget *widget, GdkDragContext *context, gpointer data)
525 {
526         ViewFile *vf = data;
527
528         tip_unschedule(vf);
529
530         if (VFICON_INFO(vf, click_id) && VFICON_INFO(vf, click_id)->fd->pixbuf)
531                 {
532                 gint items;
533
534                 if (VFICON_INFO(vf, click_id)->selected & SELECTION_SELECTED)
535                         items = g_list_length(VFICON_INFO(vf, selection));
536                 else
537                         items = 1;
538
539                 dnd_set_drag_icon(widget, context, VFICON_INFO(vf, click_id)->fd->pixbuf, items);
540                 }
541 }
542
543 static void vficon_dnd_end(GtkWidget *widget, GdkDragContext *context, gpointer data)
544 {
545         ViewFile *vf = data;
546
547         vficon_selection_remove(vf, VFICON_INFO(vf, click_id), SELECTION_PRELIGHT, NULL);
548
549         if (context->action == GDK_ACTION_MOVE)
550                 {
551                 vf_refresh(vf);
552                 }
553
554         tip_unschedule(vf);
555 }
556
557 void vficon_dnd_init(ViewFile *vf)
558 {
559         gtk_drag_source_set(vf->listview, GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
560                             dnd_file_drag_types, dnd_file_drag_types_count,
561                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
562         g_signal_connect(G_OBJECT(vf->listview), "drag_data_get",
563                          G_CALLBACK(vficon_dnd_get), vf);
564         g_signal_connect(G_OBJECT(vf->listview), "drag_begin",
565                          G_CALLBACK(vficon_dnd_begin), vf);
566         g_signal_connect(G_OBJECT(vf->listview), "drag_end",
567                          G_CALLBACK(vficon_dnd_end), vf);
568 }
569
570 /*
571  *-------------------------------------------------------------------
572  * cell updates
573  *-------------------------------------------------------------------
574  */
575
576 static void vficon_selection_set(ViewFile *vf, IconData *id, SelectionType value, GtkTreeIter *iter)
577 {
578         GtkTreeModel *store;
579         GList *list;
580
581         if (!id) return;
582
583
584         if (id->selected == value) return;
585         id->selected = value;
586
587         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vf->listview));
588         if (iter)
589                 {
590                 gtk_tree_model_get(store, iter, FILE_COLUMN_POINTER, &list, -1);
591                 if (list) gtk_list_store_set(GTK_LIST_STORE(store), iter, FILE_COLUMN_POINTER, list, -1);
592                 }
593         else
594                 {
595                 GtkTreeIter row;
596
597                 if (vficon_find_iter(vf, id, &row, NULL))
598                         {
599                         gtk_tree_model_get(store, &row, FILE_COLUMN_POINTER, &list, -1);
600                         if (list) gtk_list_store_set(GTK_LIST_STORE(store), &row, FILE_COLUMN_POINTER, list, -1);
601                         }
602                 }
603 }
604
605 static void vficon_selection_add(ViewFile *vf, IconData *id, SelectionType mask, GtkTreeIter *iter)
606 {
607         if (!id) return;
608
609         vficon_selection_set(vf, id, id->selected | mask, iter);
610 }
611
612 static void vficon_selection_remove(ViewFile *vf, IconData *id, SelectionType mask, GtkTreeIter *iter)
613 {
614         if (!id) return;
615
616         vficon_selection_set(vf, id, id->selected & ~mask, iter);
617 }
618
619 /*
620  *-------------------------------------------------------------------
621  * selections
622  *-------------------------------------------------------------------
623  */
624
625 static void vficon_verify_selections(ViewFile *vf)
626 {
627         GList *work;
628
629         work = VFICON_INFO(vf, selection);
630         while (work)
631                 {
632                 IconData *id = work->data;
633                 work = work->next;
634
635                 if (vficon_index_by_id(vf, id) >= 0) continue;
636
637                 VFICON_INFO(vf, selection) = g_list_remove(VFICON_INFO(vf, selection), id);
638                 }
639 }
640
641 void vficon_select_all(ViewFile *vf)
642 {
643         GList *work;
644
645         g_list_free(VFICON_INFO(vf, selection));
646         VFICON_INFO(vf, selection) = NULL;
647
648         work = vf->list;
649         while (work)
650                 {
651                 IconData *id = work->data;
652                 work = work->next;
653                 
654                 VFICON_INFO(vf, selection) = g_list_append(VFICON_INFO(vf, selection), id);
655                 vficon_selection_add(vf, id, SELECTION_SELECTED, NULL);
656                 }
657
658         vf_send_update(vf);
659 }
660
661 void vficon_select_none(ViewFile *vf)
662 {
663         GList *work;
664
665         work = VFICON_INFO(vf, selection);
666         while (work)
667                 {
668                 IconData *id = work->data;
669                 work = work->next;
670
671                 vficon_selection_remove(vf, id, SELECTION_SELECTED, NULL);
672                 }
673
674         g_list_free(VFICON_INFO(vf, selection));
675         VFICON_INFO(vf, selection) = NULL;
676
677         vf_send_update(vf);
678 }
679
680 void vficon_select_invert(ViewFile *vf)
681 {
682         GList *work;
683
684         work = vf->list;
685         while (work)
686                 {
687                 IconData *id = work->data;
688                 work = work->next;
689
690                 if (id->selected & SELECTION_SELECTED)
691                         {
692                         VFICON_INFO(vf, selection) = g_list_remove(VFICON_INFO(vf, selection), id);
693                         vficon_selection_remove(vf, id, SELECTION_SELECTED, NULL);
694                         }
695                 else
696                         {
697                         VFICON_INFO(vf, selection) = g_list_append(VFICON_INFO(vf, selection), id);
698                         vficon_selection_add(vf, id, SELECTION_SELECTED, NULL);
699                         }
700                 }
701
702         vf_send_update(vf);
703 }
704
705 static void vficon_select(ViewFile *vf, IconData *id)
706 {
707         VFICON_INFO(vf, prev_selection) = id;
708
709         if (!id || id->selected & SELECTION_SELECTED) return;
710
711         VFICON_INFO(vf, selection) = g_list_append(VFICON_INFO(vf, selection), id);
712         vficon_selection_add(vf, id, SELECTION_SELECTED, NULL);
713
714         vf_send_update(vf);
715 }
716
717 static void vficon_unselect(ViewFile *vf, IconData *id)
718 {
719         VFICON_INFO(vf, prev_selection) = id;
720
721         if (!id || !(id->selected & SELECTION_SELECTED) ) return;
722
723         VFICON_INFO(vf, selection) = g_list_remove(VFICON_INFO(vf, selection), id);
724         vficon_selection_remove(vf, id, SELECTION_SELECTED, NULL);
725
726         vf_send_update(vf);
727 }
728
729 static void vficon_select_util(ViewFile *vf, IconData *id, gint select)
730 {
731         if (select)
732                 {
733                 vficon_select(vf, id);
734                 }
735         else
736                 {
737                 vficon_unselect(vf, id);
738                 }
739 }
740
741 static void vficon_select_region_util(ViewFile *vf, IconData *start, IconData *end, gint select)
742 {
743         gint row1, col1;
744         gint row2, col2;
745         gint t;
746         gint i, j;
747
748         if (!vficon_find_position(vf, start, &row1, &col1) ||
749             !vficon_find_position(vf, end, &row2, &col2) ) return;
750
751         VFICON_INFO(vf, prev_selection) = end;
752
753         if (!options->collections.rectangular_selection)
754                 {
755                 GList *work;
756                 IconData *id;
757
758                 if (g_list_index(vf->list, start) > g_list_index(vf->list, end))
759                         {
760                         id = start;
761                         start = end;
762                         end = id;
763                         }
764
765                 work = g_list_find(vf->list, start);
766                 while (work)
767                         {
768                         id = work->data;
769                         vficon_select_util(vf, id, select);
770
771                         if (work->data != end)
772                                 work = work->next;
773                         else
774                                 work = NULL;
775                         }
776                 return;
777                 }
778
779         if (row2 < row1)
780                 {
781                 t = row1;
782                 row1 = row2;
783                 row2 = t;
784                 }
785         if (col2 < col1)
786                 {
787                 t = col1;
788                 col1 = col2;
789                 col2 = t;
790                 }
791
792         DEBUG_1("table: %d x %d to %d x %d", row1, col1, row2, col2);
793
794         for (i = row1; i <= row2; i++)
795                 {
796                 for (j = col1; j <= col2; j++)
797                         {
798                         IconData *id = vficon_find_data(vf, i, j, NULL);
799                         if (id) vficon_select_util(vf, id, select);
800                         }
801                 }
802 }
803
804 gint vficon_index_is_selected(ViewFile *vf, gint row)
805 {
806         IconData *id = g_list_nth_data(vf->list, row);
807
808         if (!id) return FALSE;
809
810         return (id->selected & SELECTION_SELECTED);
811 }
812
813 guint vficon_selection_count(ViewFile *vf, gint64 *bytes)
814 {
815         if (bytes)
816                 {
817                 gint64 b = 0;
818                 GList *work;
819
820                 work = VFICON_INFO(vf, selection);
821                 while (work)
822                         {
823                         IconData *id = work->data;
824                         FileData *fd = id->fd;
825                         g_assert(fd->magick == 0x12345678);
826                         b += fd->size;
827
828                         work = work->next;
829                         }
830
831                 *bytes = b;
832                 }
833
834         return g_list_length(VFICON_INFO(vf, selection));
835 }
836
837 GList *vficon_selection_get_list(ViewFile *vf)
838 {
839         GList *list = NULL;
840         GList *work;
841
842         work = VFICON_INFO(vf, selection);
843         while (work)
844                 {
845                 IconData *id = work->data;
846                 FileData *fd = id->fd;
847                 g_assert(fd->magick == 0x12345678);
848
849                 list = g_list_prepend(list, file_data_ref(fd));
850
851                 work = work->next;
852                 }
853
854         list = g_list_reverse(list);
855
856         return list;
857 }
858
859 GList *vficon_selection_get_list_by_index(ViewFile *vf)
860 {
861         GList *list = NULL;
862         GList *work;
863
864         work = VFICON_INFO(vf, selection);
865         while (work)
866                 {
867                 list = g_list_prepend(list, GINT_TO_POINTER(g_list_index(vf->list, work->data)));
868                 work = work->next;
869                 }
870
871         return g_list_reverse(list);
872 }
873
874 static void vficon_select_by_id(ViewFile *vf, IconData *id)
875 {
876         if (!id) return;
877
878         if (!(id->selected & SELECTION_SELECTED))
879                 {
880                 vf_select_none(vf);
881                 vficon_select(vf, id);
882                 }
883
884         vficon_set_focus(vf, id);
885 }
886
887 void vficon_select_by_fd(ViewFile *vf, FileData *fd)
888 {
889         IconData *id = NULL;
890         GList *work;
891
892         if (!fd) return;
893         work = vf->list;
894         while (work && !id)
895                 {
896                 IconData *chk = work->data;
897                 work = work->next;
898                 if (chk->fd == fd) id = chk;
899                 }
900         vficon_select_by_id(vf, id);
901 }
902
903 void vficon_mark_to_selection(ViewFile *vf, gint mark, MarkToSelectionMode mode)
904 {
905         GList *work;
906         gint n = mark - 1;
907
908         g_assert(mark >= 1 && mark <= FILEDATA_MARKS_SIZE);
909
910         work = vf->list;
911         while (work)
912                 {
913                 IconData *id = work->data;
914                 FileData *fd = id->fd;
915                 gboolean mark_val, selected;
916
917                 g_assert(fd->magick == 0x12345678);
918
919                 mark_val = file_data_get_mark(fd, n);
920                 selected = (id->selected & SELECTION_SELECTED);
921
922                 switch (mode)
923                         {
924                         case MTS_MODE_SET: selected = mark_val;
925                                 break;
926                         case MTS_MODE_OR: selected = mark_val | selected;
927                                 break;
928                         case MTS_MODE_AND: selected = mark_val & selected;
929                                 break;
930                         case MTS_MODE_MINUS: selected = !mark_val & selected;
931                                 break;
932                         }
933
934                 vficon_select_util(vf, id, selected);
935
936                 work = work->next;
937                 }
938 }
939
940 void vficon_selection_to_mark(ViewFile *vf, gint mark, SelectionToMarkMode mode)
941 {
942         GList *slist;
943         GList *work;
944         gint n = mark -1;
945
946         g_assert(mark >= 1 && mark <= FILEDATA_MARKS_SIZE);
947
948         slist = vf_selection_get_list(vf);
949         work = slist;
950         while (work)
951                 {
952                 FileData *fd = work->data;
953
954                 switch (mode)
955                         {
956                         case STM_MODE_SET: file_data_set_mark(fd, n, 1);
957                                 break;
958                         case STM_MODE_RESET: file_data_set_mark(fd, n, 0);
959                                 break;
960                         case STM_MODE_TOGGLE: file_data_set_mark(fd, n, !file_data_get_mark(fd, n));
961                                 break;
962                         }
963                 work = work->next;
964                 }
965         filelist_free(slist);
966 }
967
968
969 /*
970  *-------------------------------------------------------------------
971  * focus
972  *-------------------------------------------------------------------
973  */
974
975 static void vficon_move_focus(ViewFile *vf, gint row, gint col, gint relative)
976 {
977         gint new_row;
978         gint new_col;
979
980         if (relative)
981                 {
982                 new_row = VFICON_INFO(vf, focus_row);
983                 new_col = VFICON_INFO(vf, focus_column);
984
985                 new_row += row;
986                 if (new_row < 0) new_row = 0;
987                 if (new_row >= VFICON_INFO(vf, rows)) new_row = VFICON_INFO(vf, rows) - 1;
988
989                 while (col != 0)
990                         {
991                         if (col < 0)
992                                 {
993                                 new_col--;
994                                 col++;
995                                 }
996                         else
997                                 {
998                                 new_col++;
999                                 col--;
1000                                 }
1001
1002                         if (new_col < 0)
1003                                 {
1004                                 if (new_row > 0)
1005                                         {
1006                                         new_row--;
1007                                         new_col = VFICON_INFO(vf, columns) - 1;
1008                                         }
1009                                 else
1010                                         {
1011                                         new_col = 0;
1012                                         }
1013                                 }
1014                         if (new_col >= VFICON_INFO(vf, columns))
1015                                 {
1016                                 if (new_row < VFICON_INFO(vf, rows) - 1)
1017                                         {
1018                                         new_row++;
1019                                         new_col = 0;
1020                                         }
1021                                 else
1022                                         {
1023                                         new_col = VFICON_INFO(vf, columns) - 1;
1024                                         }
1025                                 }
1026                         }
1027                 }
1028         else
1029                 {
1030                 new_row = row;
1031                 new_col = col;
1032
1033                 if (new_row >= VFICON_INFO(vf, rows))
1034                         {
1035                         if (VFICON_INFO(vf, rows) > 0)
1036                                 new_row = VFICON_INFO(vf, rows) - 1;
1037                         else
1038                                 new_row = 0;
1039                         new_col = VFICON_INFO(vf, columns) - 1;
1040                         }
1041                 if (new_col >= VFICON_INFO(vf, columns)) new_col = VFICON_INFO(vf, columns) - 1;
1042                 }
1043
1044         if (new_row == VFICON_INFO(vf, rows) - 1)
1045                 {
1046                 gint l;
1047
1048                 /* if we moved beyond the last image, go to the last image */
1049
1050                 l = g_list_length(vf->list);
1051                 if (VFICON_INFO(vf, rows) > 1) l -= (VFICON_INFO(vf, rows) - 1) * VFICON_INFO(vf, columns);
1052                 if (new_col >= l) new_col = l - 1;
1053                 }
1054
1055         vficon_set_focus(vf, vficon_find_data(vf, new_row, new_col, NULL));
1056 }
1057
1058 static void vficon_set_focus(ViewFile *vf, IconData *id)
1059 {
1060         GtkTreeIter iter;
1061         gint row, col;
1062
1063         if (g_list_find(vf->list, VFICON_INFO(vf, focus_id)))
1064                 {
1065                 if (id == VFICON_INFO(vf, focus_id))
1066                         {
1067                         /* ensure focus row col are correct */
1068                         vficon_find_position(vf, VFICON_INFO(vf, focus_id), &VFICON_INFO(vf, focus_row), &VFICON_INFO(vf, focus_column));
1069                         return;
1070                         }
1071                 vficon_selection_remove(vf, VFICON_INFO(vf, focus_id), SELECTION_FOCUS, NULL);
1072                 }
1073
1074         if (!vficon_find_position(vf, id, &row, &col))
1075                 {
1076                 VFICON_INFO(vf, focus_id) = NULL;
1077                 VFICON_INFO(vf, focus_row) = -1;
1078                 VFICON_INFO(vf, focus_column) = -1;
1079                 return;
1080                 }
1081
1082         VFICON_INFO(vf, focus_id) = id;
1083         VFICON_INFO(vf, focus_row) = row;
1084         VFICON_INFO(vf, focus_column) = col;
1085         vficon_selection_add(vf, VFICON_INFO(vf, focus_id), SELECTION_FOCUS, NULL);
1086
1087         if (vficon_find_iter(vf, VFICON_INFO(vf, focus_id), &iter, NULL))
1088                 {
1089                 GtkTreePath *tpath;
1090                 GtkTreeViewColumn *column;
1091                 GtkTreeModel *store;
1092
1093                 tree_view_row_make_visible(GTK_TREE_VIEW(vf->listview), &iter, FALSE);
1094
1095                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vf->listview));
1096                 tpath = gtk_tree_model_get_path(store, &iter);
1097                 /* focus is set to an extra column with 0 width to hide focus, we draw it ourself */
1098                 column = gtk_tree_view_get_column(GTK_TREE_VIEW(vf->listview), VFICON_MAX_COLUMNS);
1099                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(vf->listview), tpath, column, FALSE);
1100                 gtk_tree_path_free(tpath);
1101                 }
1102 }
1103
1104 static void vficon_update_focus(ViewFile *vf)
1105 {
1106         gint new_row = 0;
1107         gint new_col = 0;
1108
1109         if (VFICON_INFO(vf, focus_id) && vficon_find_position(vf, VFICON_INFO(vf, focus_id), &new_row, &new_col))
1110                 {
1111                 /* first find the old focus, if it exists and is valid */
1112                 }
1113         else
1114                 {
1115                 /* (try to) stay where we were */
1116                 new_row = VFICON_INFO(vf, focus_row);
1117                 new_col = VFICON_INFO(vf, focus_column);
1118                 }
1119
1120         vficon_move_focus(vf, new_row, new_col, FALSE);
1121 }
1122
1123 /* used to figure the page up/down distances */
1124 static gint page_height(ViewFile *vf)
1125 {
1126         GtkAdjustment *adj;
1127         gint page_size;
1128         gint row_height;
1129         gint ret;
1130
1131         adj = gtk_tree_view_get_vadjustment(GTK_TREE_VIEW(vf->listview));
1132         page_size = (gint)adj->page_increment;
1133
1134         row_height = options->thumbnails.max_height + THUMB_BORDER_PADDING * 2;
1135         if (VFICON_INFO(vf, show_text)) row_height += options->thumbnails.max_height / 3;
1136
1137         ret = page_size / row_height;
1138         if (ret < 1) ret = 1;
1139
1140         return ret;
1141 }
1142
1143 /*
1144  *-------------------------------------------------------------------
1145  * keyboard
1146  *-------------------------------------------------------------------
1147  */
1148
1149 static void vfi_menu_position_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
1150 {
1151         ViewFile *vf = data;
1152         GtkTreeModel *store;
1153         GtkTreeIter iter;
1154         gint column;
1155         GtkTreePath *tpath;
1156         gint cw, ch;
1157
1158         if (!vficon_find_iter(vf, VFICON_INFO(vf, click_id), &iter, &column)) return;
1159         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vf->listview));
1160         tpath = gtk_tree_model_get_path(store, &iter);
1161         tree_view_get_cell_clamped(GTK_TREE_VIEW(vf->listview), tpath, column, FALSE, x, y, &cw, &ch);
1162         gtk_tree_path_free(tpath);
1163         *y += ch;
1164         popup_menu_position_clamp(menu, x, y, 0);
1165 }
1166
1167 gint vficon_press_key_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1168 {
1169         ViewFile *vf = data;
1170         gint focus_row = 0;
1171         gint focus_col = 0;
1172         IconData *id;
1173         gint stop_signal;
1174
1175         stop_signal = TRUE;
1176         switch (event->keyval)
1177                 {
1178                 case GDK_Left: case GDK_KP_Left:
1179                         focus_col = -1;
1180                         break;
1181                 case GDK_Right: case GDK_KP_Right:
1182                         focus_col = 1;
1183                         break;
1184                 case GDK_Up: case GDK_KP_Up:
1185                         focus_row = -1;
1186                         break;
1187                 case GDK_Down: case GDK_KP_Down:
1188                         focus_row = 1;
1189                         break;
1190                 case GDK_Page_Up: case GDK_KP_Page_Up:
1191                         focus_row = -page_height(vf);
1192                         break;
1193                 case GDK_Page_Down: case GDK_KP_Page_Down:
1194                         focus_row = page_height(vf);
1195                         break;
1196                 case GDK_Home: case GDK_KP_Home:
1197                         focus_row = -VFICON_INFO(vf, focus_row);
1198                         focus_col = -VFICON_INFO(vf, focus_column);
1199                         break;
1200                 case GDK_End: case GDK_KP_End:
1201                         focus_row = VFICON_INFO(vf, rows) - 1 - VFICON_INFO(vf, focus_row);
1202                         focus_col = VFICON_INFO(vf, columns) - 1 - VFICON_INFO(vf, focus_column);
1203                         break;
1204                 case GDK_space:
1205                         id = vficon_find_data(vf, VFICON_INFO(vf, focus_row), VFICON_INFO(vf, focus_column), NULL);
1206                         if (id)
1207                                 {
1208                                 VFICON_INFO(vf, click_id) = id;
1209                                 if (event->state & GDK_CONTROL_MASK)
1210                                         {
1211                                         gint selected;
1212
1213                                         selected = id->selected & SELECTION_SELECTED;
1214                                         if (selected)
1215                                                 {
1216                                                 vficon_unselect(vf, id);
1217                                                 }
1218                                         else
1219                                                 {
1220                                                 vficon_select(vf, id);
1221                                                 vficon_send_layout_select(vf, id);
1222                                                 }
1223                                         }
1224                                 else
1225                                         {
1226                                         vf_select_none(vf);
1227                                         vficon_select(vf, id);
1228                                         vficon_send_layout_select(vf, id);
1229                                         }
1230                                 }
1231                         break;
1232                 case GDK_Menu:
1233                         id = vficon_find_data(vf, VFICON_INFO(vf, focus_row), VFICON_INFO(vf, focus_column), NULL);
1234                         VFICON_INFO(vf, click_id) = id;
1235
1236                         vficon_selection_add(vf, VFICON_INFO(vf, click_id), SELECTION_PRELIGHT, NULL);
1237                         tip_unschedule(vf);
1238
1239                         vf->popup = vf_pop_menu(vf);
1240                         gtk_menu_popup(GTK_MENU(vf->popup), NULL, NULL, vfi_menu_position_cb, vf, 0, GDK_CURRENT_TIME);
1241                         break;
1242                 default:
1243                         stop_signal = FALSE;
1244                         break;
1245                 }
1246
1247         if (focus_row != 0 || focus_col != 0)
1248                 {
1249                 IconData *new_id;
1250                 IconData *old_id;
1251
1252                 old_id = vficon_find_data(vf, VFICON_INFO(vf, focus_row), VFICON_INFO(vf, focus_column), NULL);
1253                 vficon_move_focus(vf, focus_row, focus_col, TRUE);
1254                 new_id = vficon_find_data(vf, VFICON_INFO(vf, focus_row), VFICON_INFO(vf, focus_column), NULL);
1255
1256                 if (new_id != old_id)
1257                         {
1258                         if (event->state & GDK_SHIFT_MASK)
1259                                 {
1260                                 if (!options->collections.rectangular_selection)
1261                                         {
1262                                         vficon_select_region_util(vf, old_id, new_id, FALSE);
1263                                         }
1264                                 else
1265                                         {
1266                                         vficon_select_region_util(vf, VFICON_INFO(vf, click_id), old_id, FALSE);
1267                                         }
1268                                 vficon_select_region_util(vf, VFICON_INFO(vf, click_id), new_id, TRUE);
1269                                 vficon_send_layout_select(vf, new_id);
1270                                 }
1271                         else if (event->state & GDK_CONTROL_MASK)
1272                                 {
1273                                 VFICON_INFO(vf, click_id) = new_id;
1274                                 }
1275                         else
1276                                 {
1277                                 VFICON_INFO(vf, click_id) = new_id;
1278                                 vf_select_none(vf);
1279                                 vficon_select(vf, new_id);
1280                                 vficon_send_layout_select(vf, new_id);
1281                                 }
1282                         }
1283                 }
1284
1285         if (stop_signal)
1286                 {
1287 #if 0
1288                 g_signal_stop_emission_by_name(GTK_OBJECT(widget), "key_press_event");
1289 #endif
1290                 tip_unschedule(vf);
1291                 }
1292
1293         return stop_signal;
1294 }
1295
1296 /*
1297  *-------------------------------------------------------------------
1298  * mouse
1299  *-------------------------------------------------------------------
1300  */
1301
1302 static gint vficon_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1303 {
1304         ViewFile *vf = data;
1305         IconData *id;
1306
1307         id = vficon_find_data_by_coord(vf, (gint)bevent->x, (gint)bevent->y, NULL);
1308         tip_update(vf, id);
1309
1310         return FALSE;
1311 }
1312
1313 gint vficon_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1314 {
1315         ViewFile *vf = data;
1316         GtkTreeIter iter;
1317         IconData *id;
1318
1319         tip_unschedule(vf);
1320
1321         id = vficon_find_data_by_coord(vf, (gint)bevent->x, (gint)bevent->y, &iter);
1322
1323         VFICON_INFO(vf, click_id) = id;
1324         vficon_selection_add(vf, VFICON_INFO(vf, click_id), SELECTION_PRELIGHT, &iter);
1325
1326         switch (bevent->button)
1327                 {
1328                 case MOUSE_BUTTON_LEFT:
1329                         if (!GTK_WIDGET_HAS_FOCUS(vf->listview))
1330                                 {
1331                                 gtk_widget_grab_focus(vf->listview);
1332                                 }
1333 #if 0
1334                         if (bevent->type == GDK_2BUTTON_PRESS &&
1335                             vf->layout)
1336                                 {
1337                                 vficon_selection_remove(vf, VFICON_INFO(vf, click_id), SELECTION_PRELIGHT, &iter);
1338                                 layout_image_full_screen_start(vf->layout);
1339                                 }
1340 #endif
1341                         break;
1342                 case MOUSE_BUTTON_RIGHT:
1343                         vf->popup = vf_pop_menu(vf);
1344                         gtk_menu_popup(GTK_MENU(vf->popup), NULL, NULL, NULL, NULL, bevent->button, bevent->time);
1345                         break;
1346                 default:
1347                         break;
1348                 }
1349
1350         return TRUE;
1351 }
1352
1353 gint vficon_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1354 {
1355         ViewFile *vf = data;
1356         GtkTreeIter iter;
1357         IconData *id = NULL;
1358         gint was_selected;
1359
1360         tip_schedule(vf);
1361
1362         if ((gint)bevent->x != 0 || (gint)bevent->y != 0)
1363                 {
1364                 id = vficon_find_data_by_coord(vf, (gint)bevent->x, (gint)bevent->y, &iter);
1365                 }
1366
1367         if (VFICON_INFO(vf, click_id))
1368                 {
1369                 vficon_selection_remove(vf, VFICON_INFO(vf, click_id), SELECTION_PRELIGHT, NULL);
1370                 }
1371
1372         if (!id || VFICON_INFO(vf, click_id) != id) return TRUE;
1373
1374         was_selected = (id->selected & SELECTION_SELECTED);
1375
1376         switch (bevent->button)
1377                 {
1378                 case MOUSE_BUTTON_LEFT:
1379                         {
1380                         vficon_set_focus(vf, id);
1381
1382                         if (bevent->state & GDK_CONTROL_MASK)
1383                                 {
1384                                 gint select;
1385
1386                                 select = !(id->selected & SELECTION_SELECTED);
1387                                 if ((bevent->state & GDK_SHIFT_MASK) && VFICON_INFO(vf, prev_selection))
1388                                         {
1389                                         vficon_select_region_util(vf, VFICON_INFO(vf, prev_selection), id, select);
1390                                         }
1391                                 else
1392                                         {
1393                                         vficon_select_util(vf, id, select);
1394                                         }
1395                                 }
1396                         else
1397                                 {
1398                                 vf_select_none(vf);
1399
1400                                 if ((bevent->state & GDK_SHIFT_MASK) && VFICON_INFO(vf, prev_selection))
1401                                         {
1402                                         vficon_select_region_util(vf, VFICON_INFO(vf, prev_selection), id, TRUE);
1403                                         }
1404                                 else
1405                                         {
1406                                         vficon_select_util(vf, id, TRUE);
1407                                         was_selected = FALSE;
1408                                         }
1409                                 }
1410                         }
1411                         break;
1412                 case MOUSE_BUTTON_MIDDLE:
1413                         {
1414                         vficon_select_util(vf, id, !(id->selected & SELECTION_SELECTED));
1415                         }
1416                         break;
1417                 default:
1418                         break;
1419                 }
1420
1421         if (!was_selected && (id->selected & SELECTION_SELECTED))
1422                 {
1423                 vficon_send_layout_select(vf, id);
1424                 }
1425
1426         return TRUE;
1427 }
1428
1429 static gint vficon_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
1430 {
1431         ViewFile *vf = data;
1432
1433         tip_unschedule(vf);
1434         return FALSE;
1435 }
1436
1437 /*
1438  *-------------------------------------------------------------------
1439  * population
1440  *-------------------------------------------------------------------
1441  */
1442
1443 static gboolean vficon_destroy_node_cb(GtkTreeModel *store, GtkTreePath *tpath, GtkTreeIter *iter, gpointer data)
1444 {
1445         GList *list;
1446
1447         gtk_tree_model_get(store, iter, FILE_COLUMN_POINTER, &list, -1);
1448         g_list_free(list);
1449
1450         return FALSE;
1451 }
1452
1453 static void vficon_clear_store(ViewFile *vf)
1454 {
1455         GtkTreeModel *store;
1456
1457         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vf->listview));
1458         gtk_tree_model_foreach(store, vficon_destroy_node_cb, NULL);
1459
1460         gtk_list_store_clear(GTK_LIST_STORE(store));
1461 }
1462
1463 static void vficon_set_thumb(ViewFile *vf, FileData *fd, GdkPixbuf *pb)
1464 {
1465         GtkTreeModel *store;
1466         GtkTreeIter iter;
1467         GList *list;
1468
1469         if (!vficon_find_iter(vf, vficon_icon_data(vf, fd), &iter, NULL)) return;
1470
1471         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vf->listview));
1472
1473         if (pb) g_object_ref(pb);
1474         if (fd->pixbuf) g_object_unref(fd->pixbuf);
1475         fd->pixbuf = pb;
1476
1477         gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
1478         gtk_list_store_set(GTK_LIST_STORE(store), &iter, FILE_COLUMN_POINTER, list, -1);
1479 }
1480
1481 static GList *vficon_add_row(ViewFile *vf, GtkTreeIter *iter)
1482 {
1483         GtkListStore *store;
1484         GList *list = NULL;
1485         gint i;
1486
1487         for (i = 0; i < VFICON_INFO(vf, columns); i++) list = g_list_prepend(list, NULL);
1488
1489         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(vf->listview)));
1490         gtk_list_store_append(store, iter);
1491         gtk_list_store_set(store, iter, FILE_COLUMN_POINTER, list, -1);
1492
1493         return list;
1494 }
1495
1496 static void vficon_populate(ViewFile *vf, gint resize, gint keep_position)
1497 {
1498         GtkTreeModel *store;
1499         GtkTreePath *tpath;
1500         GList *work;
1501         IconData *visible_id = NULL;
1502         gint r, c;
1503         gint valid;
1504         GtkTreeIter iter;
1505
1506         vficon_verify_selections(vf);
1507
1508         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vf->listview));
1509
1510         if (keep_position && GTK_WIDGET_REALIZED(vf->listview) &&
1511             gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(vf->listview), 0, 0, &tpath, NULL, NULL, NULL))
1512                 {
1513                 GtkTreeIter iter;
1514                 GList *list;
1515
1516                 gtk_tree_model_get_iter(store, &iter, tpath);
1517                 gtk_tree_path_free(tpath);
1518
1519                 gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
1520                 if (list) visible_id = list->data;
1521                 }
1522
1523
1524         if (resize)
1525                 {
1526                 gint i;
1527                 gint thumb_width;
1528                 
1529                 vficon_clear_store(vf);
1530
1531                 thumb_width = vficon_get_icon_width(vf);
1532
1533                 for (i = 0; i < VFICON_MAX_COLUMNS; i++)
1534                         {
1535                         GtkTreeViewColumn *column;
1536                         GtkCellRenderer *cell;
1537                         GList *list;
1538
1539                         column = gtk_tree_view_get_column(GTK_TREE_VIEW(vf->listview), i);
1540                         gtk_tree_view_column_set_visible(column, (i < VFICON_INFO(vf, columns)));
1541                         gtk_tree_view_column_set_fixed_width(column, thumb_width + (THUMB_BORDER_PADDING * 6));
1542
1543                         list = gtk_tree_view_column_get_cell_renderers(column);
1544                         cell = (list) ? list->data : NULL;
1545                         g_list_free(list);
1546
1547                         if (cell && GQV_IS_CELL_RENDERER_ICON(cell))
1548                                 {
1549                                 g_object_set(G_OBJECT(cell), "fixed_width", thumb_width,
1550                                                              "fixed_height", options->thumbnails.max_height,
1551                                                              "show_text", VFICON_INFO(vf, show_text), NULL);
1552                                 }
1553                         }
1554                 if (GTK_WIDGET_REALIZED(vf->listview)) gtk_tree_view_columns_autosize(GTK_TREE_VIEW(vf->listview));
1555                 }
1556
1557         r = -1;
1558         c = 0;
1559
1560         valid = gtk_tree_model_iter_children(store, &iter, NULL);
1561
1562         work = vf->list;
1563         while (work)
1564                 {
1565                 GList *list;
1566                 r++;
1567                 c = 0;
1568                 if (valid)
1569                         {
1570                         gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
1571                         gtk_list_store_set(GTK_LIST_STORE(store), &iter, FILE_COLUMN_POINTER, list, -1);
1572                         }
1573                 else
1574                         {
1575                         list = vficon_add_row(vf, &iter);
1576                         }
1577
1578                 while (list)
1579                         {
1580                         IconData *id;
1581
1582                         if (work)
1583                                 {
1584                                 id = work->data;
1585                                 work = work->next;
1586                                 c++;
1587
1588                                 id->row = r;
1589                                 }
1590                         else
1591                                 {
1592                                 id = NULL;
1593                                 }
1594
1595                         list->data = id;
1596                         list = list->next;
1597                         }
1598                 if (valid) valid = gtk_tree_model_iter_next(store, &iter);
1599                 }
1600
1601         r++;
1602         while (valid)
1603                 {
1604                 GList *list;
1605
1606                 gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
1607                 valid = gtk_list_store_remove(GTK_LIST_STORE(store), &iter);
1608                 g_list_free(list);
1609                 }
1610
1611         VFICON_INFO(vf, rows) = r;
1612
1613         if (visible_id &&
1614             gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(vf->listview), 0, 0, &tpath, NULL, NULL, NULL))
1615                 {
1616                 GtkTreeIter iter;
1617                 GList *list;
1618
1619                 gtk_tree_model_get_iter(store, &iter, tpath);
1620                 gtk_tree_path_free(tpath);
1621
1622                 gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
1623                 if (g_list_find(list, visible_id) == NULL &&
1624                     vficon_find_iter(vf, visible_id, &iter, NULL))
1625                         {
1626                         tree_view_row_make_visible(GTK_TREE_VIEW(vf->listview), &iter, FALSE);
1627                         }
1628                 }
1629
1630
1631         vf_send_update(vf);
1632         vficon_thumb_update(vf);
1633 }
1634
1635 static void vficon_populate_at_new_size(ViewFile *vf, gint w, gint h, gint force)
1636 {
1637         gint new_cols;
1638         gint thumb_width;
1639
1640         thumb_width = vficon_get_icon_width(vf);
1641
1642         new_cols = w / (thumb_width + (THUMB_BORDER_PADDING * 6));
1643         if (new_cols < 1) new_cols = 1;
1644
1645         if (!force && new_cols == VFICON_INFO(vf, columns)) return;
1646
1647         VFICON_INFO(vf, columns) = new_cols;
1648
1649         vficon_populate(vf, TRUE, TRUE);
1650
1651         DEBUG_1("col tab pop cols=%d rows=%d", VFICON_INFO(vf, columns), VFICON_INFO(vf, rows));
1652 }
1653
1654 static void vficon_sync(ViewFile *vf)
1655 {
1656         GtkTreeModel *store;
1657         GtkTreeIter iter;
1658         GList *work;
1659         gint r, c;
1660         gint valid;
1661
1662         if (VFICON_INFO(vf, rows) == 0) return;
1663
1664         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vf->listview));
1665
1666         r = -1;
1667         c = 0;
1668
1669         valid = gtk_tree_model_iter_children(store, &iter, NULL);
1670
1671         work = vf->list;
1672         while (work)
1673                 {
1674                 GList *list;
1675                 r++;
1676                 c = 0;
1677                 if (valid)
1678                         {
1679                         gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
1680                         gtk_list_store_set(GTK_LIST_STORE(store), &iter, FILE_COLUMN_POINTER, list, -1);
1681                         }
1682                 else
1683                         {
1684                         list = vficon_add_row(vf, &iter);
1685                         }
1686
1687                 while (list)
1688                         {
1689                         IconData *id;
1690
1691                         if (work)
1692                                 {
1693                                 id = work->data;
1694                                 work = work->next;
1695                                 c++;
1696
1697                                 id->row = r;
1698                                 }
1699                         else
1700                                 {
1701                                 id = NULL;
1702                                 }
1703
1704                         list->data = id;
1705                         list = list->next;
1706                         }
1707                 if (valid) valid = gtk_tree_model_iter_next(store, &iter);
1708                 }
1709
1710         r++;
1711         while (valid)
1712                 {
1713                 GList *list;
1714
1715                 gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
1716                 valid = gtk_list_store_remove(GTK_LIST_STORE(store), &iter);
1717                 g_list_free(list);
1718                 }
1719
1720         VFICON_INFO(vf, rows) = r;
1721
1722         vficon_update_focus(vf);
1723 }
1724
1725 static gint vficon_sync_idle_cb(gpointer data)
1726 {
1727         ViewFile *vf = data;
1728
1729         if (VFICON_INFO(vf, sync_idle_id) == -1) return FALSE;
1730         VFICON_INFO(vf, sync_idle_id) = -1;
1731
1732         vficon_sync(vf);
1733         return FALSE;
1734 }
1735
1736 static void vficon_sync_idle(ViewFile *vf)
1737 {
1738         if (VFICON_INFO(vf, sync_idle_id) == -1)
1739                 {
1740                 /* high priority, the view needs to be resynced before a redraw
1741                  * may contain invalid pointers at this time
1742                  */
1743                 VFICON_INFO(vf, sync_idle_id) = g_idle_add_full(G_PRIORITY_HIGH, vficon_sync_idle_cb, vf, NULL);
1744                 }
1745 }
1746
1747 static void vficon_sized_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
1748 {
1749         ViewFile *vf = data;
1750
1751         vficon_populate_at_new_size(vf, allocation->width, allocation->height, FALSE);
1752 }
1753
1754 /*
1755  *-----------------------------------------------------------------------------
1756  * misc
1757  *-----------------------------------------------------------------------------
1758  */
1759
1760 void vficon_sort_set(ViewFile *vf, SortType type, gint ascend)
1761 {
1762         if (vf->sort_method == type && vf->sort_ascend == ascend) return;
1763
1764         vf->sort_method = type;
1765         vf->sort_ascend = ascend;
1766
1767         if (!vf->list) return;
1768
1769         vf->list = iconlist_sort(vf->list, vf->sort_method, vf->sort_ascend);
1770         vficon_sync(vf);
1771 }
1772
1773 /*
1774  *-----------------------------------------------------------------------------
1775  * thumb updates
1776  *-----------------------------------------------------------------------------
1777  */
1778
1779 static gint vficon_thumb_next(ViewFile *vf);
1780
1781 static void vficon_thumb_status(ViewFile *vf, gdouble val, const gchar *text)
1782 {
1783         if (vf->func_thumb_status)
1784                 {
1785                 vf->func_thumb_status(vf, val, text, vf->data_thumb_status);
1786                 }
1787 }
1788
1789 static void vficon_thumb_cleanup(ViewFile *vf)
1790 {
1791         vficon_thumb_status(vf, 0.0, NULL);
1792
1793         vf->thumbs_count = 0;
1794         vf->thumbs_running = FALSE;
1795
1796         thumb_loader_free(vf->thumbs_loader);
1797         vf->thumbs_loader = NULL;
1798
1799         vf->thumbs_filedata = NULL;
1800 }
1801
1802 static void vficon_thumb_stop(ViewFile *vf)
1803 {
1804         if (vf->thumbs_running) vficon_thumb_cleanup(vf);
1805 }
1806
1807 static void vficon_thumb_do(ViewFile *vf, ThumbLoader *tl, FileData *fd)
1808 {
1809         GdkPixbuf *pixbuf;
1810
1811         if (!fd) return;
1812
1813         pixbuf = thumb_loader_get_pixbuf(tl, TRUE);
1814         vficon_set_thumb(vf, fd, pixbuf);
1815         g_object_unref(pixbuf);
1816
1817         vficon_thumb_status(vf, (gdouble)(vf->thumbs_count) / g_list_length(vf->list), _("Loading thumbs..."));
1818 }
1819
1820 static void vficon_thumb_error_cb(ThumbLoader *tl, gpointer data)
1821 {
1822         ViewFile *vf = data;
1823
1824         if (vf->thumbs_filedata && vf->thumbs_loader == tl)
1825                 {
1826                 vficon_thumb_do(vf, tl, vf->thumbs_filedata);
1827                 }
1828
1829         while (vficon_thumb_next(vf));
1830 }
1831
1832 static void vficon_thumb_done_cb(ThumbLoader *tl, gpointer data)
1833 {
1834         ViewFile *vf = data;
1835
1836         if (vf->thumbs_filedata && vf->thumbs_loader == tl)
1837                 {
1838                 vficon_thumb_do(vf, tl, vf->thumbs_filedata);
1839                 }
1840
1841         while (vficon_thumb_next(vf));
1842 }
1843
1844 static gint vficon_thumb_next(ViewFile *vf)
1845 {
1846         GtkTreePath *tpath;
1847         FileData *fd = NULL;
1848
1849         if (!GTK_WIDGET_REALIZED(vf->listview))
1850                 {
1851                 vficon_thumb_status(vf, 0.0, NULL);
1852                 return FALSE;
1853                 }
1854
1855         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(vf->listview), 0, 0, &tpath, NULL, NULL, NULL))
1856                 {
1857                 GtkTreeModel *store;
1858                 GtkTreeIter iter;
1859                 gint valid = TRUE;
1860
1861                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vf->listview));
1862                 gtk_tree_model_get_iter(store, &iter, tpath);
1863                 gtk_tree_path_free(tpath);
1864
1865                 while (!fd && valid && tree_view_row_get_visibility(GTK_TREE_VIEW(vf->listview), &iter, FALSE) == 0)
1866                         {
1867                         GList *list;
1868
1869                         gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
1870
1871                         while (!fd && list)
1872                                 {
1873                                 IconData *id = list->data;
1874                                 if (id && !id->fd->pixbuf) fd = id->fd;
1875                                 list = list->next;
1876                                 }
1877
1878                         valid = gtk_tree_model_iter_next(store, &iter);
1879                         }
1880                 }
1881
1882         /* then find first undone */
1883
1884         if (!fd)
1885                 {
1886                 GList *work = vf->list;
1887                 while (work && !fd)
1888                         {
1889                         IconData *id = work->data;
1890                         FileData *fd_p = id->fd;
1891                         work = work->next;
1892
1893                         if (!fd_p->pixbuf) fd = fd_p;
1894                         }
1895                 }
1896
1897         if (!fd)
1898                 {
1899                 /* done */
1900                 vficon_thumb_cleanup(vf);
1901                 return FALSE;
1902                 }
1903
1904         vf->thumbs_count++;
1905
1906         vf->thumbs_filedata = fd;
1907
1908         thumb_loader_free(vf->thumbs_loader);
1909
1910         vf->thumbs_loader = thumb_loader_new(options->thumbnails.max_width, options->thumbnails.max_height);
1911         thumb_loader_set_callbacks(vf->thumbs_loader,
1912                                    vficon_thumb_done_cb,
1913                                    vficon_thumb_error_cb,
1914                                    NULL,
1915                                    vf);
1916
1917         if (!thumb_loader_start(vf->thumbs_loader, fd->path))
1918                 {
1919                 /* set icon to unknown, continue */
1920                 DEBUG_1("thumb loader start failed %s", vf->thumbs_loader->path);
1921                 vficon_thumb_do(vf, vf->thumbs_loader, fd);
1922
1923                 return TRUE;
1924                 }
1925
1926         return FALSE;
1927 }
1928
1929 static void vficon_thumb_update(ViewFile *vf)
1930 {
1931         vficon_thumb_stop(vf);
1932
1933         vficon_thumb_status(vf, 0.0, _("Loading thumbs..."));
1934         vf->thumbs_running = TRUE;
1935
1936         while (vficon_thumb_next(vf));
1937 }
1938
1939 /*
1940  *-----------------------------------------------------------------------------
1941  * row stuff
1942  *-----------------------------------------------------------------------------
1943  */
1944
1945 FileData *vficon_index_get_data(ViewFile *vf, gint row)
1946 {
1947         IconData *id;
1948
1949         id = g_list_nth_data(vf->list, row);
1950         return id ? id->fd : NULL;
1951 }
1952
1953 gint vficon_index_by_path(ViewFile *vf, const gchar *path)
1954 {
1955         gint p = 0;
1956         GList *work;
1957
1958         if (!path) return -1;
1959
1960         work = vf->list;
1961         while (work)
1962                 {
1963                 IconData *id = work->data;
1964                 FileData *fd = id->fd;
1965                 if (strcmp(path, fd->path) == 0) return p;
1966                 work = work->next;
1967                 p++;
1968                 }
1969
1970         return -1;
1971 }
1972
1973 gint vficon_index_by_fd(ViewFile *vf, FileData *in_fd)
1974 {
1975         gint p = 0;
1976         GList *work;
1977
1978         if (!in_fd) return -1;
1979
1980         work = vf->list;
1981         while (work)
1982                 {
1983                 IconData *id = work->data;
1984                 FileData *fd = id->fd;
1985                 if (fd == in_fd) return p;
1986                 work = work->next;
1987                 p++;
1988                 }
1989
1990         return -1;
1991 }
1992
1993 static gint vficon_index_by_id(ViewFile *vf, IconData *in_id)
1994 {
1995         gint p = 0;
1996         GList *work;
1997
1998         if (!in_id) return -1;
1999
2000         work = vf->list;
2001         while (work)
2002                 {
2003                 IconData *id = work->data;
2004                 if (id == in_id) return p;
2005                 work = work->next;
2006                 p++;
2007                 }
2008
2009         return -1;
2010 }
2011
2012 guint vficon_count(ViewFile *vf, gint64 *bytes)
2013 {
2014         if (bytes)
2015                 {
2016                 gint64 b = 0;
2017                 GList *work;
2018
2019                 work = vf->list;
2020                 while (work)
2021                         {
2022                         IconData *id = work->data;
2023                         FileData *fd = id->fd;
2024                         work = work->next;
2025
2026                         b += fd->size;
2027                         }
2028
2029                 *bytes = b;
2030                 }
2031
2032         return g_list_length(vf->list);
2033 }
2034
2035 GList *vficon_get_list(ViewFile *vf)
2036 {
2037         GList *list = NULL;
2038         GList *work;
2039
2040         work = vf->list;
2041         while (work)
2042                 {
2043                 IconData *id = work->data;
2044                 FileData *fd = id->fd;
2045                 work = work->next;
2046
2047                 list = g_list_prepend(list, file_data_ref(fd));
2048                 }
2049
2050         return g_list_reverse(list);
2051 }
2052
2053 /*
2054  *-----------------------------------------------------------------------------
2055  *
2056  *-----------------------------------------------------------------------------
2057  */
2058
2059 static gint vficon_refresh_real(ViewFile *vf, gint keep_position)
2060 {
2061         gint ret = TRUE;
2062         GList *old_list;
2063         GList *work;
2064         IconData *focus_id;
2065
2066         focus_id = VFICON_INFO(vf, focus_id);
2067
2068         old_list = vf->list;
2069         vf->list = NULL;
2070
2071         if (vf->dir_fd)
2072                 {
2073                 ret = iconlist_read(vf->dir_fd, &vf->list);
2074                 }
2075
2076         /* check for same files from old_list */
2077         work = old_list;
2078         while (work)
2079                 {
2080                 IconData *id = work->data;
2081                 FileData *fd = id->fd;
2082                 GList *needle = vf->list;
2083
2084                 while (needle)
2085                         {
2086                         IconData *idn = needle->data;
2087                         FileData *fdn = idn->fd;
2088
2089                         if (fdn == fd)
2090                                 {
2091                                 /* swap, to retain old thumb, selection */
2092                                 needle->data = id;
2093                                 work->data = idn;
2094                                 needle = NULL;
2095                                 }
2096                         else
2097                                 {
2098                                 needle = needle->next;
2099                                 }
2100                         }
2101
2102                 work = work->next;
2103                 }
2104
2105         vf->list = iconlist_sort(vf->list, vf->sort_method, vf->sort_ascend);
2106
2107         work = old_list;
2108         while (work)
2109                 {
2110                 IconData *id = work->data;
2111                 work = work->next;
2112
2113                 if (id == VFICON_INFO(vf, prev_selection)) VFICON_INFO(vf, prev_selection) = NULL;
2114                 if (id == VFICON_INFO(vf, click_id)) VFICON_INFO(vf, click_id) = NULL;
2115                 }
2116
2117         vficon_populate(vf, TRUE, keep_position);
2118
2119         /* attempt to keep focus on same icon when refreshing */
2120         if (focus_id && g_list_find(vf->list, focus_id))
2121                 {
2122                 vficon_set_focus(vf, focus_id);
2123                 }
2124
2125         iconlist_free(old_list);
2126
2127         return ret;
2128 }
2129
2130 gint vficon_refresh(ViewFile *vf)
2131 {
2132         return vficon_refresh_real(vf, TRUE);
2133 }
2134
2135 /*
2136  *-----------------------------------------------------------------------------
2137  * draw, etc.
2138  *-----------------------------------------------------------------------------
2139  */
2140
2141 typedef struct _ColumnData ColumnData;
2142 struct _ColumnData
2143 {
2144         ViewFile *vf;
2145         gint number;
2146 };
2147
2148 static void vficon_cell_data_cb(GtkTreeViewColumn *tree_column, GtkCellRenderer *cell,
2149                                 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
2150 {
2151         ColumnData *cd = data;
2152         ViewFile *vf;
2153         GtkStyle *style;
2154         GList *list;
2155         GdkColor color_fg;
2156         GdkColor color_bg;
2157         IconData *id;
2158
2159         vf = cd->vf;
2160
2161         gtk_tree_model_get(tree_model, iter, FILE_COLUMN_POINTER, &list, -1);
2162
2163         id = g_list_nth_data(list, cd->number);
2164
2165         if (id) g_assert(id->fd->magick == 0x12345678);
2166
2167         style = gtk_widget_get_style(vf->listview);
2168         if (id && id->selected & SELECTION_SELECTED)
2169                 {
2170                 memcpy(&color_fg, &style->text[GTK_STATE_SELECTED], sizeof(color_fg));
2171                 memcpy(&color_bg, &style->base[GTK_STATE_SELECTED], sizeof(color_bg));
2172                 }
2173         else
2174                 {
2175                 memcpy(&color_fg, &style->text[GTK_STATE_NORMAL], sizeof(color_fg));
2176                 memcpy(&color_bg, &style->base[GTK_STATE_NORMAL], sizeof(color_bg));
2177                 }
2178
2179         if (id && id->selected & SELECTION_PRELIGHT)
2180                 {
2181 #if 0
2182                 shift_color(&color_fg, -1, 0);
2183 #endif
2184                 shift_color(&color_bg, -1, 0);
2185                 }
2186
2187         if (GQV_IS_CELL_RENDERER_ICON(cell))
2188                 {
2189                 if (id)
2190                         {
2191                         g_object_set(cell,      "pixbuf", id->fd->pixbuf,
2192                                                 "text", id->fd->name,
2193                                                 "cell-background-gdk", &color_bg,
2194                                                 "cell-background-set", TRUE,
2195                                                 "foreground-gdk", &color_fg,
2196                                                 "foreground-set", TRUE,
2197                                                 "has-focus", (VFICON_INFO(vf, focus_id) == id), NULL);
2198                         }
2199                 else
2200                         {
2201                         g_object_set(cell,      "pixbuf", NULL,
2202                                                 "text", NULL,
2203                                                 "cell-background-set", FALSE,
2204                                                 "foreground-set", FALSE,
2205                                                 "has-focus", FALSE, NULL);
2206                         }
2207                 }
2208 }
2209
2210 static void vficon_append_column(ViewFile *vf, gint n)
2211 {
2212         ColumnData *cd;
2213         GtkTreeViewColumn *column;
2214         GtkCellRenderer *renderer;
2215
2216         column = gtk_tree_view_column_new();
2217         gtk_tree_view_column_set_min_width(column, 0);
2218
2219         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
2220         gtk_tree_view_column_set_alignment(column, 0.5);
2221
2222         renderer = gqv_cell_renderer_icon_new();
2223         gtk_tree_view_column_pack_start(column, renderer, FALSE);
2224         g_object_set(G_OBJECT(renderer), "xpad", THUMB_BORDER_PADDING * 2,
2225                                          "ypad", THUMB_BORDER_PADDING,
2226                                          "mode", GTK_CELL_RENDERER_MODE_ACTIVATABLE, NULL);
2227
2228         g_object_set_data(G_OBJECT(column), "column_number", GINT_TO_POINTER(n));
2229
2230         cd = g_new0(ColumnData, 1);
2231         cd->vf = vf;
2232         cd->number = n;
2233         gtk_tree_view_column_set_cell_data_func(column, renderer, vficon_cell_data_cb, cd, g_free);
2234
2235         gtk_tree_view_append_column(GTK_TREE_VIEW(vf->listview), column);
2236 }
2237
2238 /*
2239  *-----------------------------------------------------------------------------
2240  * base
2241  *-----------------------------------------------------------------------------
2242  */
2243
2244 gint vficon_set_fd(ViewFile *vf, FileData *dir_fd)
2245 {
2246         gint ret;
2247
2248         if (!dir_fd) return FALSE;
2249         if (vf->dir_fd == dir_fd) return TRUE;
2250
2251         file_data_unref(vf->dir_fd);
2252         vf->dir_fd = file_data_ref(dir_fd);
2253
2254         g_list_free(VFICON_INFO(vf, selection));
2255         VFICON_INFO(vf, selection) = NULL;
2256
2257         iconlist_free(vf->list);
2258         vf->list = NULL;
2259
2260         /* NOTE: populate will clear the store for us */
2261         ret = vficon_refresh_real(vf, FALSE);
2262
2263         VFICON_INFO(vf, focus_id) = NULL;
2264         vficon_move_focus(vf, 0, 0, FALSE);
2265
2266         return ret;
2267 }
2268
2269 void vficon_destroy_cb(GtkWidget *widget, gpointer data)
2270 {
2271         ViewFile *vf = data;
2272
2273         if (VFICON_INFO(vf, sync_idle_id) != -1) g_source_remove(VFICON_INFO(vf, sync_idle_id));
2274         
2275         file_data_unregister_notify_func(vficon_notify_cb, vf);
2276
2277         tip_unschedule(vf);
2278
2279         vficon_thumb_cleanup(vf);
2280
2281         iconlist_free(vf->list);
2282         g_list_free(VFICON_INFO(vf, selection));
2283 }
2284
2285 ViewFile *vficon_new(ViewFile *vf, FileData *dir_fd)
2286 {
2287         GtkListStore *store;
2288         GtkTreeSelection *selection;
2289         gint i;
2290
2291         vf->info = g_new0(ViewFileInfoIcon, 1);
2292
2293         VFICON_INFO(vf, selection) = NULL;
2294         VFICON_INFO(vf, prev_selection) = NULL;
2295
2296         VFICON_INFO(vf, tip_window) = NULL;
2297         VFICON_INFO(vf, tip_delay_id) = -1;
2298
2299         VFICON_INFO(vf, focus_row) = 0;
2300         VFICON_INFO(vf, focus_column) = 0;
2301         VFICON_INFO(vf, focus_id) = NULL;
2302
2303         VFICON_INFO(vf, show_text) = options->show_icon_names;
2304
2305         VFICON_INFO(vf, sync_idle_id) = -1;
2306
2307         store = gtk_list_store_new(1, G_TYPE_POINTER);
2308         vf->listview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
2309         g_object_unref(store);
2310
2311         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vf->listview));
2312         gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_NONE);
2313
2314         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(vf->listview), FALSE);
2315         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(vf->listview), FALSE);
2316
2317         for (i = 0; i < VFICON_MAX_COLUMNS; i++)
2318                 {
2319                 vficon_append_column(vf, i);
2320                 }
2321
2322         /* zero width column to hide tree view focus, we draw it ourselves */
2323         vficon_append_column(vf, i);
2324         /* end column to fill white space */
2325         vficon_append_column(vf, i);
2326
2327         g_signal_connect(G_OBJECT(vf->listview), "size_allocate",
2328                          G_CALLBACK(vficon_sized_cb), vf);
2329
2330         gtk_widget_set_events(vf->listview, GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK |
2331                               GDK_BUTTON_PRESS_MASK | GDK_LEAVE_NOTIFY_MASK);
2332
2333         g_signal_connect(G_OBJECT(vf->listview),"motion_notify_event",
2334                          G_CALLBACK(vficon_motion_cb), vf);
2335         g_signal_connect(G_OBJECT(vf->listview), "leave_notify_event",
2336                          G_CALLBACK(vficon_leave_cb), vf);
2337
2338         /* force VFICON_INFO(vf, columns) to be at least 1 (sane) - this will be corrected in the size_cb */
2339         vficon_populate_at_new_size(vf, 1, 1, FALSE);
2340
2341         file_data_register_notify_func(vficon_notify_cb, vf, NOTIFY_PRIORITY_MEDIUM);
2342
2343         return vf;
2344 }
2345
2346 /*
2347  *-----------------------------------------------------------------------------
2348  * maintenance (for rename, move, remove)
2349  *-----------------------------------------------------------------------------
2350  */
2351
2352 static gint vficon_maint_find_closest(ViewFile *vf, gint row, gint count, GList *ignore_list)
2353 {
2354         GList *list = NULL;
2355         GList *work;
2356         gint rev = row - 1;
2357         
2358         row++;
2359
2360         work = ignore_list;
2361         while (work)
2362                 {
2363                 FileData *fd = work->data;
2364                 gint f = vficon_index_by_fd(vf, fd);
2365                 g_assert(fd->magick == 0x12345678);
2366
2367                 if (f >= 0) list = g_list_prepend(list, GINT_TO_POINTER(f));
2368                 work = work->next;
2369                 }
2370
2371         while (list)
2372                 {
2373                 gint c = TRUE;
2374
2375                 work = list;
2376                 while (work && c)
2377                         {
2378                         gpointer p = work->data;
2379
2380                         work = work->next;
2381                         if (row == GPOINTER_TO_INT(p))
2382                                 {
2383                                 row++;
2384                                 c = FALSE;
2385                                 }
2386                         if (rev == GPOINTER_TO_INT(p))
2387                                 {
2388                                 rev--;
2389                                 c = FALSE;
2390                                 }
2391                         if (!c) list = g_list_remove(list, p);
2392                         }
2393
2394                 if (c && list)
2395                         {
2396                         g_list_free(list);
2397                         list = NULL;
2398                         }
2399                 }
2400
2401         if (row > count - 1)
2402                 {
2403                 if (rev < 0)
2404                         return -1;
2405                 else
2406                         return rev;
2407                 }
2408         else
2409                 {
2410                 return row;
2411                 }
2412 }
2413
2414 static gint vficon_maint_removed(ViewFile *vf, FileData *fd, GList *ignore_list);
2415
2416
2417 static gint vficon_maint_renamed(ViewFile *vf, FileData *fd)
2418 {
2419         gint ret = FALSE;
2420         gint row;
2421         gchar *source_base;
2422         gchar *dest_base;
2423         IconData *id = vficon_icon_data(vf, fd);
2424
2425         if (!id) return FALSE;
2426
2427         row = vficon_index_by_id(vf, id);
2428         if (row < 0) return FALSE;
2429
2430         source_base = remove_level_from_path(fd->change->source);
2431         dest_base = remove_level_from_path(fd->change->dest);
2432
2433         if (strcmp(source_base, dest_base) == 0)
2434                 {
2435                 vf->list = g_list_remove(vf->list, id);
2436                 vf->list = iconlist_insert_sort(vf->list, id, vf->sort_method, vf->sort_ascend);
2437
2438                 vficon_sync_idle(vf);
2439                 ret = TRUE;
2440                 }
2441         else
2442                 {
2443                 ret = vficon_maint_removed(vf, fd, NULL);
2444                 }
2445
2446         g_free(source_base);
2447         g_free(dest_base);
2448
2449         return ret;
2450 }
2451
2452 static gint vficon_maint_removed(ViewFile *vf, FileData *fd, GList *ignore_list)
2453 {
2454         gint row;
2455         gint new_row = -1;
2456         GtkTreeModel *store;
2457         GtkTreeIter iter;
2458         IconData *id = vficon_icon_data(vf, fd);
2459
2460         if (!id) return FALSE;
2461
2462         row = g_list_index(vf->list, id);
2463         if (row < 0) return FALSE;
2464
2465         if ((id->selected & SELECTION_SELECTED) &&
2466             layout_image_get_collection(vf->layout, NULL) == NULL)
2467                 {
2468                 vficon_unselect(vf, id);
2469
2470                 if (!VFICON_INFO(vf, selection))
2471                         {
2472                         gint n;
2473
2474                         n = vf_count(vf, NULL);
2475                         if (ignore_list)
2476                                 {
2477                                 new_row = vficon_maint_find_closest(vf, row, n, ignore_list);
2478                                 DEBUG_1("row = %d, closest is %d", row, new_row);
2479                                 }
2480                         else
2481                                 {
2482                                 if (row + 1 < n)
2483                                         {
2484                                         new_row = row + 1;
2485                                         }
2486                                 else if (row > 0)
2487                                         {
2488                                         new_row = row - 1;
2489                                         }
2490                                 }
2491                         }
2492                 else if (ignore_list)
2493                         {
2494                         GList *work;
2495
2496                         work = VFICON_INFO(vf, selection);
2497                         while (work)
2498                                 {
2499                                 IconData *ignore_id;
2500                                 FileData *ignore_fd;
2501                                 GList *tmp;
2502                                 gint match = FALSE;
2503
2504                                 ignore_id = work->data;
2505                                 ignore_fd = ignore_id->fd;
2506                                 g_assert(ignore_fd->magick == 0x12345678);
2507                                 work = work->next;
2508
2509                                 tmp = ignore_list;
2510                                 while (tmp && !match)
2511                                         {
2512                                         FileData *ignore_list_fd = tmp->data;
2513                                         g_assert(ignore_list_fd->magick == 0x12345678);
2514                                         tmp = tmp->next;
2515
2516                                         if (ignore_list_fd == ignore_fd)
2517                                                 {
2518                                                 match = TRUE;
2519                                                 }
2520                                         }
2521
2522                                 if (!match)
2523                                         {
2524                                         new_row = g_list_index(vf->list, ignore_id);
2525                                         work = NULL;
2526                                         }
2527                                 }
2528
2529                         if (new_row == -1)
2530                                 {
2531                                 /* selection all ignored, use closest */
2532                                 new_row = vficon_maint_find_closest(vf, row, vf_count(vf, NULL), ignore_list);
2533                                 }
2534                         }
2535                 else
2536                         {
2537                         new_row = g_list_index(vf->list, VFICON_INFO(vf, selection)->data);
2538                         }
2539
2540                 if (new_row >= 0)
2541                         {
2542                         IconData *idn = g_list_nth_data(vf->list, new_row);
2543
2544                         vficon_select(vf, idn);
2545                         vficon_send_layout_select(vf, idn);
2546                         }
2547                 }
2548
2549         /* Thumb loader check */
2550         if (fd == vf->thumbs_filedata) vf->thumbs_filedata = NULL;
2551         if (vf->thumbs_count > 0) vf->thumbs_count--;
2552
2553         if (VFICON_INFO(vf, prev_selection) == id) VFICON_INFO(vf, prev_selection) = NULL;
2554         if (VFICON_INFO(vf, click_id) == id) VFICON_INFO(vf, click_id) = NULL;
2555
2556         /* remove pointer to this fd from grid */
2557         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vf->listview));
2558         if (id->row >= 0 &&
2559             gtk_tree_model_iter_nth_child(store, &iter, NULL, id->row))
2560                 {
2561                 GList *list;
2562
2563                 gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
2564                 list = g_list_find(list, id);
2565                 if (list) list->data = NULL;
2566                 }
2567
2568         vf->list = g_list_remove(vf->list, id);
2569         file_data_unref(fd);
2570         g_free(id);
2571
2572         vficon_sync_idle(vf);
2573         vf_send_update(vf);
2574
2575         return TRUE;
2576 }
2577
2578 static gint vficon_maint_moved(ViewFile *vf, FileData *fd, GList *ignore_list)
2579 {
2580         gint ret = FALSE;
2581         gchar *buf;
2582
2583         if (!fd->change->source || !vf->dir_fd) return FALSE;
2584
2585         buf = remove_level_from_path(fd->change->source);
2586
2587         if (strcmp(buf, vf->dir_fd->path) == 0)
2588                 {
2589                 ret = vficon_maint_removed(vf, fd, ignore_list);
2590                 }
2591
2592         g_free(buf);
2593
2594         return ret;
2595 }
2596
2597 static void vficon_notify_cb(FileData *fd, NotifyType type, gpointer data)
2598 {
2599         ViewFile *vf = data;
2600
2601         if (type != NOTIFY_TYPE_CHANGE || !fd->change) return;
2602         
2603         switch(fd->change->type)
2604                 {
2605                 case FILEDATA_CHANGE_MOVE:
2606                         vficon_maint_moved(vf, fd, NULL);
2607                         break;
2608                 case FILEDATA_CHANGE_COPY:
2609                         break;
2610                 case FILEDATA_CHANGE_RENAME:
2611                         vficon_maint_renamed(vf, fd);
2612                         break;
2613                 case FILEDATA_CHANGE_DELETE:
2614                         vficon_maint_removed(vf, fd, NULL);
2615                         break;
2616                 case FILEDATA_CHANGE_UNSPECIFIED:
2617                         break;
2618                 }
2619
2620 }