Remove useless thumbs_list from ViewFileIcon.
[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 "debug.h"
21 #include "dnd.h"
22 #include "editors.h"
23 #include "img-view.h"
24 #include "info.h"
25 #include "filelist.h"
26 #include "layout.h"
27 #include "layout_image.h"
28 #include "menu.h"
29 #include "thumb.h"
30 #include "utilops.h"
31 #include "ui_bookmark.h"
32 #include "ui_fileops.h"
33 #include "ui_menu.h"
34 #include "ui_tree_edit.h"
35
36
37 #include <gdk/gdkkeysyms.h> /* for keyboard values */
38
39 #define VFICON_INFO_POINTER(_vf_) ((ViewFileInfoIcon *)(_vf_->info))
40 #define VFICON_INFO(_vf_, _part_) (VFICON_INFO_POINTER(_vf_)->_part_)
41
42 /* between these, the icon width is increased by thumb_max_width / 2 */
43 #define THUMB_MIN_ICON_WIDTH 128
44 #define THUMB_MAX_ICON_WIDTH 150
45
46 #define VFICON_MAX_COLUMNS 32
47 #define THUMB_BORDER_PADDING 2
48
49 #define VFICON_TIP_DELAY 500
50
51 enum {
52         FILE_COLUMN_POINTER = 0,
53         FILE_COLUMN_COUNT
54 };
55
56 typedef enum {
57         SELECTION_NONE          = 0,
58         SELECTION_SELECTED      = 1 << 0,
59         SELECTION_PRELIGHT      = 1 << 1,
60         SELECTION_FOCUS         = 1 << 2
61 } SelectionType;
62
63 typedef struct _IconData IconData;
64 struct _IconData
65 {
66         SelectionType selected;
67         gint row;
68         FileData *fd;
69 };
70
71 static gint vficon_index_by_id(ViewFileIcon *vfi, IconData *in_id);
72
73 static IconData *vficon_icon_data(ViewFileIcon *vfi, FileData *fd)
74 {
75         IconData *id = NULL;
76         GList *work;
77
78         if (!fd) return NULL;
79         work = vfi->list;
80         while (work && !id)
81                 {
82                 IconData *chk = work->data;
83                 work = work->next;
84                 if (chk->fd == fd) id = chk;
85                 }
86         return id;
87 }
88
89
90 static gint iconlist_read(const gchar *path, GList **list)
91 {
92         GList *temp;
93         GList *work;
94
95         if (!filelist_read(path, &temp, NULL)) return FALSE;
96
97         work = temp;
98         while (work)
99                 {
100                 FileData *fd;
101                 IconData *id;
102
103                 fd = work->data;
104                 g_assert(fd->magick == 0x12345678);
105                 id = g_new0(IconData, 1);
106
107                 id->selected = SELECTION_NONE;
108                 id->row = -1;
109                 id->fd = fd;
110
111                 work->data = id;
112                 work = work->next;
113                 }
114
115         *list = temp;
116
117         return TRUE;
118 }
119
120 static void iconlist_free(GList *list)
121 {
122         GList *work = list;
123         while (work)
124                 {
125                 IconData *id = work->data;
126                 file_data_unref(id->fd);
127                 g_free(id);
128                 work = work->next;
129                 }
130
131         g_list_free(list);
132
133 }
134
135 gint iconlist_sort_file_cb(void *a, void *b)
136 {
137         IconData *ida = a;
138         IconData *idb = b;
139         return filelist_sort_compare_filedata(ida->fd, idb->fd);
140 }
141 GList *iconlist_sort(GList *list, SortType method, gint ascend)
142 {
143         return filelist_sort_full(list, method, ascend, (GCompareFunc) iconlist_sort_file_cb);
144 }
145
146 GList *iconlist_insert_sort(GList *list, IconData *id, SortType method, gint ascend)
147 {
148         return filelist_insert_sort_full(list, id, method, ascend, (GCompareFunc) iconlist_sort_file_cb);
149 }
150
151
152 static void vficon_toggle_filenames(ViewFileIcon *vfi);
153 static void vficon_selection_remove(ViewFileIcon *vfi, IconData *id, SelectionType mask, GtkTreeIter *iter);
154 static void vficon_move_focus(ViewFileIcon *vfi, gint row, gint col, gint relative);
155 static void vficon_set_focus(ViewFileIcon *vfi, IconData *id);
156 static void vficon_thumb_update(ViewFileIcon *vfi);
157 static void vficon_populate_at_new_size(ViewFileIcon *vfi, gint w, gint h, gint force);
158
159
160 /*
161  *-----------------------------------------------------------------------------
162  * pop-up menu
163  *-----------------------------------------------------------------------------
164  */
165
166 static GList *vficon_pop_menu_file_list(ViewFileIcon *vfi)
167 {
168         if (!vfi->click_id) return NULL;
169
170         if (vfi->click_id->selected & SELECTION_SELECTED)
171                 {
172                 return vficon_selection_get_list(vfi);
173                 }
174
175         return g_list_append(NULL, file_data_ref(vfi->click_id->fd));
176 }
177
178 static void vficon_pop_menu_edit_cb(GtkWidget *widget, gpointer data)
179 {
180         ViewFileIcon *vfi;
181         gint n;
182         GList *list;
183
184         vfi = submenu_item_get_data(widget);
185         n = GPOINTER_TO_INT(data);
186
187         if (!vfi) return;
188
189         list = vficon_pop_menu_file_list(vfi);
190         start_editor_from_filelist(n, list);
191         filelist_free(list);
192 }
193
194 static void vficon_pop_menu_info_cb(GtkWidget *widget, gpointer data)
195 {
196         ViewFileIcon *vfi = data;
197
198         info_window_new(NULL, vficon_pop_menu_file_list(vfi), NULL);
199 }
200
201 static void vficon_pop_menu_view_cb(GtkWidget *widget, gpointer data)
202 {
203         ViewFileIcon *vfi = data;
204
205         if (!vfi->click_id) return;
206
207         if (vfi->click_id->selected & SELECTION_SELECTED)
208                 {
209                 GList *list;
210
211                 list = vficon_selection_get_list(vfi);
212                 view_window_new_from_list(list);
213                 filelist_free(list);
214                 }
215         else
216                 {
217                 view_window_new(vfi->click_id->fd);
218                 }
219 }
220
221 static void vficon_pop_menu_copy_cb(GtkWidget *widget, gpointer data)
222 {
223         ViewFileIcon *vfi = data;
224
225         file_util_copy(NULL, vficon_pop_menu_file_list(vfi), NULL, vfi->listview);
226 }
227
228 static void vficon_pop_menu_move_cb(GtkWidget *widget, gpointer data)
229 {
230         ViewFileIcon *vfi = data;
231
232         file_util_move(NULL, vficon_pop_menu_file_list(vfi), NULL, vfi->listview);
233 }
234
235 static void vficon_pop_menu_rename_cb(GtkWidget *widget, gpointer data)
236 {
237         ViewFileIcon *vfi = data;
238
239         file_util_rename(NULL, vficon_pop_menu_file_list(vfi), vfi->listview);
240 }
241
242 static void vficon_pop_menu_delete_cb(GtkWidget *widget, gpointer data)
243 {
244         ViewFileIcon *vfi = data;
245
246         file_util_delete(NULL, vficon_pop_menu_file_list(vfi), vfi->listview);
247 }
248
249 static void vficon_pop_menu_copy_path_cb(GtkWidget *widget, gpointer data)
250 {
251         ViewFileIcon *vfi = data;
252
253         file_util_copy_path_list_to_clipboard(vficon_pop_menu_file_list(vfi));
254 }
255
256 static void vficon_pop_menu_sort_cb(GtkWidget *widget, gpointer data)
257 {
258         ViewFileIcon *vfi;
259         SortType type;
260
261         if (!gtk_check_menu_item_get_active(GTK_CHECK_MENU_ITEM(widget))) return;
262
263         vfi = submenu_item_get_data(widget);
264         if (!vfi) return;
265
266         type = (SortType)GPOINTER_TO_INT(data);
267
268         if (vfi->layout)
269                 {
270                 layout_sort_set(vfi->layout, type, vfi->sort_ascend);
271                 }
272         else
273                 {
274                 vficon_sort_set(vfi, type, vfi->sort_ascend);
275                 }
276 }
277
278 static void vficon_pop_menu_sort_ascend_cb(GtkWidget *widget, gpointer data)
279 {
280         ViewFileIcon *vfi = data;
281
282         if (vfi->layout)
283                 {
284                 layout_sort_set(vfi->layout, vfi->sort_method, !vfi->sort_ascend);
285                 }
286         else
287                 {
288                 vficon_sort_set(vfi, vfi->sort_method, !vfi->sort_ascend);
289                 }
290 }
291
292 static void vficon_pop_menu_list_cb(GtkWidget *widget, gpointer data)
293 {
294         ViewFileIcon *vfi = data;
295
296         if (vfi->layout) layout_views_set(vfi->layout, vfi->layout->dir_view_type, FALSE);
297 }
298
299 static void vficon_pop_menu_show_names_cb(GtkWidget *widget, gpointer data)
300 {
301         ViewFileIcon *vfi = data;
302
303         vficon_toggle_filenames(vfi);
304 }
305
306 static void vficon_pop_menu_refresh_cb(GtkWidget *widget, gpointer data)
307 {
308         ViewFileIcon *vfi = data;
309
310         vficon_refresh(vfi);
311 }
312
313 static void vficon_popup_destroy_cb(GtkWidget *widget, gpointer data)
314 {
315         ViewFileIcon *vfi = data;
316         vficon_selection_remove(vfi, vfi->click_id, SELECTION_PRELIGHT, NULL);
317         vfi->click_id = NULL;
318         vfi->popup = NULL;
319 }
320
321 static GtkWidget *vficon_pop_menu(ViewFileIcon *vfi, gint active)
322 {
323         GtkWidget *menu;
324         GtkWidget *item;
325         GtkWidget *submenu;
326
327         menu = popup_menu_short_lived();
328
329         g_signal_connect(G_OBJECT(menu), "destroy",
330                          G_CALLBACK(vficon_popup_destroy_cb), vfi);
331
332         submenu_add_edit(menu, &item, G_CALLBACK(vficon_pop_menu_edit_cb), vfi);
333         gtk_widget_set_sensitive(item, active);
334
335         menu_item_add_stock_sensitive(menu, _("_Properties"), GTK_STOCK_PROPERTIES, active,
336                                       G_CALLBACK(vficon_pop_menu_info_cb), vfi);
337
338         menu_item_add_stock_sensitive(menu, _("View in _new window"), GTK_STOCK_NEW, active,
339                                       G_CALLBACK(vficon_pop_menu_view_cb), vfi);
340         menu_item_add_divider(menu);
341
342         menu_item_add_stock_sensitive(menu, _("_Copy..."), GTK_STOCK_COPY, active,
343                                       G_CALLBACK(vficon_pop_menu_copy_cb), vfi);
344         menu_item_add_sensitive(menu, _("_Move..."), active,
345                                 G_CALLBACK(vficon_pop_menu_move_cb), vfi);
346         menu_item_add_sensitive(menu, _("_Rename..."), active,
347                                 G_CALLBACK(vficon_pop_menu_rename_cb), vfi);
348         menu_item_add_stock_sensitive(menu, _("_Delete..."), GTK_STOCK_DELETE, active,
349                                       G_CALLBACK(vficon_pop_menu_delete_cb), vfi);
350         if (options->show_copy_path)
351                 menu_item_add_sensitive(menu, _("_Copy path"), active,
352                                         G_CALLBACK(vficon_pop_menu_copy_path_cb), vfi);
353         menu_item_add_divider(menu);
354
355         submenu = submenu_add_sort(NULL, G_CALLBACK(vficon_pop_menu_sort_cb), vfi,
356                                    FALSE, FALSE, TRUE, vfi->sort_method);
357         menu_item_add_divider(submenu);
358         menu_item_add_check(submenu, _("Ascending"), vfi->sort_ascend,
359                             G_CALLBACK(vficon_pop_menu_sort_ascend_cb), vfi);
360
361         item = menu_item_add(menu, _("_Sort"), NULL, NULL);
362         gtk_menu_item_set_submenu(GTK_MENU_ITEM(item), submenu);
363
364         menu_item_add_check(menu, _("View as _icons"), TRUE,
365                             G_CALLBACK(vficon_pop_menu_list_cb), vfi);
366         menu_item_add_check(menu, _("Show filename _text"), vfi->show_text,
367                             G_CALLBACK(vficon_pop_menu_show_names_cb), vfi);
368         menu_item_add_stock(menu, _("Re_fresh"), GTK_STOCK_REFRESH, G_CALLBACK(vficon_pop_menu_refresh_cb), vfi);
369
370         return menu;
371 }
372
373 /*
374  *-------------------------------------------------------------------
375  * signals
376  *-------------------------------------------------------------------
377  */
378
379 static void vficon_send_update(ViewFileIcon *vfi)
380 {
381         if (vfi->func_status) vfi->func_status(vfi, vfi->data_status);
382 }
383
384 static void vficon_send_layout_select(ViewFileIcon *vfi, IconData *id)
385 {
386         FileData *read_ahead_fd = NULL;
387         FileData *sel_fd;
388         FileData *cur_fd;
389
390         if (!vfi->layout || !id || !id->fd) return;
391
392         sel_fd = id->fd;
393
394         cur_fd = layout_image_get_fd(vfi->layout);
395         if (sel_fd == cur_fd) return; /* no change */
396
397         if (options->image.enable_read_ahead)
398                 {
399                 gint row;
400
401                 row = g_list_index(vfi->list, id);
402                 if (row > vficon_index_by_fd(vfi, cur_fd) &&
403                     row + 1 < vficon_count(vfi, NULL))
404                         {
405                         read_ahead_fd = vficon_index_get_data(vfi, row + 1);
406                         }
407                 else if (row > 0)
408                         {
409                         read_ahead_fd = vficon_index_get_data(vfi, row - 1);
410                         }
411                 }
412
413         layout_image_set_with_ahead(vfi->layout, sel_fd, read_ahead_fd);
414 }
415
416 static void vficon_toggle_filenames(ViewFileIcon *vfi)
417 {
418         vfi->show_text = !vfi->show_text;
419         options->show_icon_names = vfi->show_text;
420
421         vficon_populate_at_new_size(vfi, vfi->listview->allocation.width, vfi->listview->allocation.height, TRUE);
422 }
423
424 static gint vficon_get_icon_width(ViewFileIcon *vfi)
425 {
426         gint width;
427
428         if (!vfi->show_text) return options->thumbnails.max_width;
429
430         width = options->thumbnails.max_width + options->thumbnails.max_width / 2;
431         if (width < THUMB_MIN_ICON_WIDTH) width = THUMB_MIN_ICON_WIDTH;
432         if (width > THUMB_MAX_ICON_WIDTH) width = options->thumbnails.max_width;
433
434         return width;
435 }
436
437 /*
438  *-------------------------------------------------------------------
439  * misc utils
440  *-------------------------------------------------------------------
441  */
442
443 static gint vficon_find_position(ViewFileIcon *vfi, IconData *id, gint *row, gint *col)
444 {
445         gint n;
446
447         n = g_list_index(vfi->list, id);
448
449         if (n < 0) return FALSE;
450
451         *row = n / vfi->columns;
452         *col = n - (*row * vfi->columns);
453
454         return TRUE;
455 }
456
457 static gint vficon_find_iter(ViewFileIcon *vfi, IconData *id, GtkTreeIter *iter, gint *column)
458 {
459         GtkTreeModel *store;
460         gint row, col;
461
462         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vfi->listview));
463         if (!vficon_find_position(vfi, id, &row, &col)) return FALSE;
464         if (!gtk_tree_model_iter_nth_child(store, iter, NULL, row)) return FALSE;
465         if (column) *column = col;
466
467         return TRUE;
468 }
469
470 static IconData *vficon_find_data(ViewFileIcon *vfi, gint row, gint col, GtkTreeIter *iter)
471 {
472         GtkTreeModel *store;
473         GtkTreeIter p;
474
475         if (row < 0 || col < 0) return NULL;
476
477         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vfi->listview));
478         if (gtk_tree_model_iter_nth_child(store, &p, NULL, row))
479                 {
480                 GList *list;
481
482                 gtk_tree_model_get(store, &p, FILE_COLUMN_POINTER, &list, -1);
483                 if (!list) return NULL;
484
485                 if (iter) *iter = p;
486
487                 return g_list_nth_data(list, col);
488                 }
489
490         return NULL;
491 }
492
493 static IconData *vficon_find_data_by_coord(ViewFileIcon *vfi, gint x, gint y, GtkTreeIter *iter)
494 {
495         GtkTreePath *tpath;
496         GtkTreeViewColumn *column;
497
498         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(vfi->listview), x, y,
499                                           &tpath, &column, NULL, NULL))
500                 {
501                 GtkTreeModel *store;
502                 GtkTreeIter row;
503                 GList *list;
504                 gint n;
505
506                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vfi->listview));
507                 gtk_tree_model_get_iter(store, &row, tpath);
508                 gtk_tree_path_free(tpath);
509
510                 gtk_tree_model_get(store, &row, FILE_COLUMN_POINTER, &list, -1);
511
512                 n = GPOINTER_TO_INT(g_object_get_data(G_OBJECT(column), "column_number"));
513                 if (list)
514                         {
515                         if (iter) *iter = row;
516                         return g_list_nth_data(list, n);
517                         }
518                 }
519
520         return NULL;
521 }
522
523 /*
524  *-------------------------------------------------------------------
525  * tooltip type window
526  *-------------------------------------------------------------------
527  */
528
529 static void tip_show(ViewFileIcon *vfi)
530 {
531         GtkWidget *label;
532         gint x, y;
533
534         if (vfi->tip_window) return;
535
536         gdk_window_get_pointer(gtk_tree_view_get_bin_window(GTK_TREE_VIEW(vfi->listview)), &x, &y, NULL);
537
538         vfi->tip_id = vficon_find_data_by_coord(vfi, x, y, NULL);
539         if (!vfi->tip_id) return;
540
541         vfi->tip_window = gtk_window_new(GTK_WINDOW_POPUP);
542         gtk_window_set_resizable(GTK_WINDOW(vfi->tip_window), FALSE);
543         gtk_container_set_border_width(GTK_CONTAINER(vfi->tip_window), 2);
544
545         label = gtk_label_new(vfi->tip_id->fd->name);
546
547         g_object_set_data(G_OBJECT(vfi->tip_window), "tip_label", label);
548         gtk_container_add(GTK_CONTAINER(vfi->tip_window), label);
549         gtk_widget_show(label);
550
551         gdk_window_get_pointer(NULL, &x, &y, NULL);
552
553         if (!GTK_WIDGET_REALIZED(vfi->tip_window)) gtk_widget_realize(vfi->tip_window);
554         gtk_window_move(GTK_WINDOW(vfi->tip_window), x + 16, y + 16);
555         gtk_widget_show(vfi->tip_window);
556 }
557
558 static void tip_hide(ViewFileIcon *vfi)
559 {
560         if (vfi->tip_window) gtk_widget_destroy(vfi->tip_window);
561         vfi->tip_window = NULL;
562 }
563
564 static gint tip_schedule_cb(gpointer data)
565 {
566         ViewFileIcon *vfi = data;
567         GtkWidget *window;
568
569         if (vfi->tip_delay_id == -1) return FALSE;
570
571         window = gtk_widget_get_toplevel(vfi->listview);
572
573         if (GTK_WIDGET_SENSITIVE(window) &&
574             GTK_WINDOW(window)->has_focus)
575                 {
576                 tip_show(vfi);
577                 }
578
579         vfi->tip_delay_id = -1;
580         return FALSE;
581 }
582
583 static void tip_schedule(ViewFileIcon *vfi)
584 {
585         tip_hide(vfi);
586
587         if (vfi->tip_delay_id != -1)
588                 {
589                 g_source_remove(vfi->tip_delay_id);
590                 vfi->tip_delay_id = -1;
591                 }
592
593         if (!vfi->show_text)
594                 {
595                 vfi->tip_delay_id = g_timeout_add(VFICON_TIP_DELAY, tip_schedule_cb, vfi);
596                 }
597 }
598
599 static void tip_unschedule(ViewFileIcon *vfi)
600 {
601         tip_hide(vfi);
602
603         if (vfi->tip_delay_id != -1) g_source_remove(vfi->tip_delay_id);
604         vfi->tip_delay_id = -1;
605 }
606
607 static void tip_update(ViewFileIcon *vfi, IconData *id)
608 {
609         if (vfi->tip_window)
610                 {
611                 gint x, y;
612
613                 gdk_window_get_pointer(NULL, &x, &y, NULL);
614                 gtk_window_move(GTK_WINDOW(vfi->tip_window), x + 16, y + 16);
615
616                 if (id != vfi->tip_id)
617                         {
618                         GtkWidget *label;
619
620                         vfi->tip_id = id;
621
622                         if (!vfi->tip_id)
623                                 {
624                                 tip_hide(vfi);
625                                 tip_schedule(vfi);
626                                 return;
627                                 }
628
629                         label = g_object_get_data(G_OBJECT(vfi->tip_window), "tip_label");
630                         gtk_label_set_text(GTK_LABEL(label), vfi->tip_id->fd->name);
631                         }
632                 }
633         else
634                 {
635                 tip_schedule(vfi);
636                 }
637 }
638
639 /*
640  *-------------------------------------------------------------------
641  * dnd
642  *-------------------------------------------------------------------
643  */
644
645 static void vficon_dnd_get(GtkWidget *widget, GdkDragContext *context,
646                            GtkSelectionData *selection_data, guint info,
647                            guint time, gpointer data)
648 {
649         ViewFileIcon *vfi = data;
650         GList *list = NULL;
651         gchar *uri_text = NULL;
652         gint total;
653
654         if (!vfi->click_id) return;
655
656         if (vfi->click_id->selected & SELECTION_SELECTED)
657                 {
658                 list = vficon_selection_get_list(vfi);
659                 }
660         else
661                 {
662                 list = g_list_append(NULL, file_data_ref(vfi->click_id->fd));
663                 }
664
665         if (!list) return;
666         uri_text = uri_text_from_filelist(list, &total, (info == TARGET_TEXT_PLAIN));
667         filelist_free(list);
668
669         DEBUG_1(uri_text);
670
671         gtk_selection_data_set(selection_data, selection_data->target,
672                                8, (guchar *)uri_text, total);
673         g_free(uri_text);
674 }
675
676 static void vficon_dnd_begin(GtkWidget *widget, GdkDragContext *context, gpointer data)
677 {
678         ViewFileIcon *vfi = data;
679
680         tip_unschedule(vfi);
681
682         if (vfi->click_id && vfi->click_id->fd->pixbuf)
683                 {
684                 gint items;
685
686                 if (vfi->click_id->selected & SELECTION_SELECTED)
687                         items = g_list_length(vfi->selection);
688                 else
689                         items = 1;
690
691                 dnd_set_drag_icon(widget, context, vfi->click_id->fd->pixbuf, items);
692                 }
693 }
694
695 static void vficon_dnd_end(GtkWidget *widget, GdkDragContext *context, gpointer data)
696 {
697         ViewFileIcon *vfi = data;
698
699         vficon_selection_remove(vfi, vfi->click_id, SELECTION_PRELIGHT, NULL);
700
701         if (context->action == GDK_ACTION_MOVE)
702                 {
703                 vficon_refresh(vfi);
704                 }
705
706         tip_unschedule(vfi);
707 }
708
709 static void vficon_dnd_init(ViewFileIcon *vfi)
710 {
711         gtk_drag_source_set(vfi->listview, GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
712                             dnd_file_drag_types, dnd_file_drag_types_count,
713                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
714         g_signal_connect(G_OBJECT(vfi->listview), "drag_data_get",
715                          G_CALLBACK(vficon_dnd_get), vfi);
716         g_signal_connect(G_OBJECT(vfi->listview), "drag_begin",
717                          G_CALLBACK(vficon_dnd_begin), vfi);
718         g_signal_connect(G_OBJECT(vfi->listview), "drag_end",
719                          G_CALLBACK(vficon_dnd_end), vfi);
720 }
721
722 /*
723  *-------------------------------------------------------------------
724  * cell updates
725  *-------------------------------------------------------------------
726  */
727
728 static void vficon_selection_set(ViewFileIcon *vfi, IconData *id, SelectionType value, GtkTreeIter *iter)
729 {
730         GtkTreeModel *store;
731         GList *list;
732
733         if (!id) return;
734
735
736         if (id->selected == value) return;
737         id->selected = value;
738
739         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vfi->listview));
740         if (iter)
741                 {
742                 gtk_tree_model_get(store, iter, FILE_COLUMN_POINTER, &list, -1);
743                 if (list) gtk_list_store_set(GTK_LIST_STORE(store), iter, FILE_COLUMN_POINTER, list, -1);
744                 }
745         else
746                 {
747                 GtkTreeIter row;
748
749                 if (vficon_find_iter(vfi, id, &row, NULL))
750                         {
751                         gtk_tree_model_get(store, &row, FILE_COLUMN_POINTER, &list, -1);
752                         if (list) gtk_list_store_set(GTK_LIST_STORE(store), &row, FILE_COLUMN_POINTER, list, -1);
753                         }
754                 }
755 }
756
757 static void vficon_selection_add(ViewFileIcon *vfi, IconData *id, SelectionType mask, GtkTreeIter *iter)
758 {
759         if (!id) return;
760
761         vficon_selection_set(vfi, id, id->selected | mask, iter);
762 }
763
764 static void vficon_selection_remove(ViewFileIcon *vfi, IconData *id, SelectionType mask, GtkTreeIter *iter)
765 {
766         if (!id) return;
767
768         vficon_selection_set(vfi, id, id->selected & ~mask, iter);
769 }
770
771 /*
772  *-------------------------------------------------------------------
773  * selections
774  *-------------------------------------------------------------------
775  */
776
777 static void vficon_verify_selections(ViewFileIcon *vfi)
778 {
779         GList *work;
780
781         work = vfi->selection;
782         while (work)
783                 {
784                 IconData *id = work->data;
785                 work = work->next;
786                 if (vficon_index_by_id(vfi, id) < 0)
787                         {
788                         vfi->selection = g_list_remove(vfi->selection, id);
789                         }
790                 }
791 }
792
793 void vficon_select_all(ViewFileIcon *vfi)
794 {
795         GList *work;
796
797         g_list_free(vfi->selection);
798         vfi->selection = NULL;
799
800         work = vfi->list;
801         while (work)
802                 {
803                 IconData *id = work->data;
804                 vfi->selection = g_list_append(vfi->selection, id);
805                 vficon_selection_add(vfi, work->data, SELECTION_SELECTED, NULL);
806                 work = work->next;
807                 }
808
809         vficon_send_update(vfi);
810 }
811
812 void vficon_select_none(ViewFileIcon *vfi)
813 {
814         GList *work;
815
816         work = vfi->selection;
817         while (work)
818                 {
819                 vficon_selection_remove(vfi, work->data, SELECTION_SELECTED, NULL);
820                 work = work->next;
821                 }
822
823         g_list_free(vfi->selection);
824         vfi->selection = NULL;
825
826         vficon_send_update(vfi);
827 }
828
829 static void vficon_select(ViewFileIcon *vfi, IconData *id)
830 {
831         vfi->prev_selection = id;
832
833         if (!id || id->selected & SELECTION_SELECTED) return;
834
835         vfi->selection = g_list_append(vfi->selection, id);
836         vficon_selection_add(vfi, id, SELECTION_SELECTED, NULL);
837
838         vficon_send_update(vfi);
839 }
840
841 static void vficon_unselect(ViewFileIcon *vfi, IconData *id)
842 {
843         vfi->prev_selection = id;
844
845         if (!id || !(id->selected & SELECTION_SELECTED) ) return;
846
847         vfi->selection = g_list_remove(vfi->selection, id);
848         vficon_selection_remove(vfi, id, SELECTION_SELECTED, NULL);
849
850         vficon_send_update(vfi);
851 }
852
853 static void vficon_select_util(ViewFileIcon *vfi, IconData *id, gint select)
854 {
855         if (select)
856                 {
857                 vficon_select(vfi, id);
858                 }
859         else
860                 {
861                 vficon_unselect(vfi, id);
862                 }
863 }
864
865 static void vficon_select_region_util(ViewFileIcon *vfi, IconData *start, IconData *end, gint select)
866 {
867         gint row1, col1;
868         gint row2, col2;
869         gint t;
870         gint i, j;
871
872         if (!vficon_find_position(vfi, start, &row1, &col1) ||
873             !vficon_find_position(vfi, end, &row2, &col2) ) return;
874
875         vfi->prev_selection = end;
876
877         if (!options->collections.rectangular_selection)
878                 {
879                 GList *work;
880                 IconData *id;
881
882                 if (g_list_index(vfi->list, start) > g_list_index(vfi->list, end))
883                         {
884                         id = start;
885                         start = end;
886                         end = id;
887                         }
888
889                 work = g_list_find(vfi->list, start);
890                 while (work)
891                         {
892                         id = work->data;
893                         vficon_select_util(vfi, id, select);
894
895                         if (work->data != end)
896                                 work = work->next;
897                         else
898                                 work = NULL;
899                         }
900                 return;
901                 }
902
903         if (row2 < row1)
904                 {
905                 t = row1;
906                 row1 = row2;
907                 row2 = t;
908                 }
909         if (col2 < col1)
910                 {
911                 t = col1;
912                 col1 = col2;
913                 col2 = t;
914                 }
915
916         DEBUG_1("table: %d x %d to %d x %d", row1, col1, row2, col2);
917
918         for (i = row1; i <= row2; i++)
919                 {
920                 for (j = col1; j <= col2; j++)
921                         {
922                         IconData *id = vficon_find_data(vfi, i, j, NULL);
923                         if (id) vficon_select_util(vfi, id, select);
924                         }
925                 }
926 }
927
928 gint vficon_index_is_selected(ViewFileIcon *vfi, gint row)
929 {
930         IconData *id = g_list_nth_data(vfi->list, row);
931
932         if (!id) return FALSE;
933
934         return (id->selected & SELECTION_SELECTED);
935 }
936
937 gint vficon_selection_count(ViewFileIcon *vfi, gint64 *bytes)
938 {
939         if (bytes)
940                 {
941                 gint64 b = 0;
942                 GList *work;
943
944                 work = vfi->selection;
945                 while (work)
946                         {
947                         IconData *id = work->data;
948                         FileData *fd = id->fd;
949                         g_assert(fd->magick == 0x12345678);
950                         b += fd->size;
951
952                         work = work->next;
953                         }
954
955                 *bytes = b;
956                 }
957
958         return g_list_length(vfi->selection);
959 }
960
961 GList *vficon_selection_get_list(ViewFileIcon *vfi)
962 {
963         GList *list = NULL;
964         GList *work;
965
966         work = vfi->selection;
967         while (work)
968                 {
969                 IconData *id = work->data;
970                 FileData *fd = id->fd;
971                 g_assert(fd->magick == 0x12345678);
972
973                 list = g_list_prepend(list, file_data_ref(fd));
974
975                 work = work->next;
976                 }
977
978         list = g_list_reverse(list);
979
980         return list;
981 }
982
983 GList *vficon_selection_get_list_by_index(ViewFileIcon *vfi)
984 {
985         GList *list = NULL;
986         GList *work;
987
988         work = vfi->selection;
989         while (work)
990                 {
991                 list = g_list_prepend(list, GINT_TO_POINTER(g_list_index(vfi->list, work->data)));
992                 work = work->next;
993                 }
994
995         return g_list_reverse(list);
996 }
997
998 static void vficon_select_by_id(ViewFileIcon *vfi, IconData *id)
999 {
1000         if (!id) return;
1001
1002         if (!(id->selected & SELECTION_SELECTED))
1003                 {
1004                 vficon_select_none(vfi);
1005                 vficon_select(vfi, id);
1006                 }
1007
1008         vficon_set_focus(vfi, id);
1009 }
1010
1011
1012 void vficon_select_by_path(ViewFileIcon *vfi, const gchar *path)
1013 {
1014         IconData *id = NULL;
1015         GList *work;
1016
1017         if (!path) return;
1018
1019         work = vfi->list;
1020         while (work && !id)
1021                 {
1022                 IconData *chk = work->data;
1023                 work = work->next;
1024                 if (strcmp(chk->fd->path, path) == 0) id = chk;
1025                 }
1026         vficon_select_by_id(vfi, id);
1027 }
1028
1029 void vficon_select_by_fd(ViewFileIcon *vfi, FileData *fd)
1030 {
1031         IconData *id = NULL;
1032         GList *work;
1033
1034         if (!fd) return;
1035         work = vfi->list;
1036         while (work && !id)
1037                 {
1038                 IconData *chk = work->data;
1039                 work = work->next;
1040                 if (chk->fd == fd) id = chk;
1041                 }
1042         vficon_select_by_id(vfi, id);
1043 }
1044
1045 void vficon_mark_to_selection(ViewFileIcon *vfi, gint mark, MarkToSelectionMode mode)
1046 {
1047         GList *work;
1048
1049         work = vfi->list;
1050         while (work)
1051                 {
1052                 IconData *id = work->data;
1053                 FileData *fd = id->fd;
1054                 gboolean mark_val, selected;
1055
1056                 g_assert(fd->magick == 0x12345678);
1057
1058                 mark_val = fd->marks[mark];
1059                 selected = (id->selected & SELECTION_SELECTED);
1060
1061                 switch (mode)
1062                         {
1063                         case MTS_MODE_SET: selected = mark_val;
1064                                 break;
1065                         case MTS_MODE_OR: selected = mark_val | selected;
1066                                 break;
1067                         case MTS_MODE_AND: selected = mark_val & selected;
1068                                 break;
1069                         case MTS_MODE_MINUS: selected = !mark_val & selected;
1070                                 break;
1071                         }
1072
1073                 vficon_select_util(vfi, id, selected);
1074
1075                 work = work->next;
1076                 }
1077 }
1078
1079 void vficon_selection_to_mark(ViewFileIcon *vfi, gint mark, SelectionToMarkMode mode)
1080 {
1081         GList *slist;
1082         GList *work;
1083
1084         g_assert(mark >= 0 && mark < FILEDATA_MARKS_SIZE);
1085
1086         slist = vficon_selection_get_list(vfi);
1087         work = slist;
1088         while (work)
1089                 {
1090                 FileData *fd = work->data;
1091
1092                 switch (mode)
1093                         {
1094                         case STM_MODE_SET: fd->marks[mark] = 1;
1095                                 break;
1096                         case STM_MODE_RESET: fd->marks[mark] = 0;
1097                                 break;
1098                         case STM_MODE_TOGGLE: fd->marks[mark] = !fd->marks[mark];
1099                                 break;
1100                         }
1101
1102                 work = work->next;
1103                 }
1104         filelist_free(slist);
1105 }
1106
1107
1108 /*
1109  *-------------------------------------------------------------------
1110  * focus
1111  *-------------------------------------------------------------------
1112  */
1113
1114 static void vficon_move_focus(ViewFileIcon *vfi, gint row, gint col, gint relative)
1115 {
1116         gint new_row;
1117         gint new_col;
1118
1119         if (relative)
1120                 {
1121                 new_row = vfi->focus_row;
1122                 new_col = vfi->focus_column;
1123
1124                 new_row += row;
1125                 if (new_row < 0) new_row = 0;
1126                 if (new_row >= vfi->rows) new_row = vfi->rows - 1;
1127
1128                 while (col != 0)
1129                         {
1130                         if (col < 0)
1131                                 {
1132                                 new_col--;
1133                                 col++;
1134                                 }
1135                         else
1136                                 {
1137                                 new_col++;
1138                                 col--;
1139                                 }
1140
1141                         if (new_col < 0)
1142                                 {
1143                                 if (new_row > 0)
1144                                         {
1145                                         new_row--;
1146                                         new_col = vfi->columns - 1;
1147                                         }
1148                                 else
1149                                         {
1150                                         new_col = 0;
1151                                         }
1152                                 }
1153                         if (new_col >= vfi->columns)
1154                                 {
1155                                 if (new_row < vfi->rows - 1)
1156                                         {
1157                                         new_row++;
1158                                         new_col = 0;
1159                                         }
1160                                 else
1161                                         {
1162                                         new_col = vfi->columns - 1;
1163                                         }
1164                                 }
1165                         }
1166                 }
1167         else
1168                 {
1169                 new_row = row;
1170                 new_col = col;
1171
1172                 if (new_row >= vfi->rows)
1173                         {
1174                         if (vfi->rows > 0)
1175                                 new_row = vfi->rows - 1;
1176                         else
1177                                 new_row = 0;
1178                         new_col = vfi->columns - 1;
1179                         }
1180                 if (new_col >= vfi->columns) new_col = vfi->columns - 1;
1181                 }
1182
1183         if (new_row == vfi->rows - 1)
1184                 {
1185                 gint l;
1186
1187                 /* if we moved beyond the last image, go to the last image */
1188
1189                 l = g_list_length(vfi->list);
1190                 if (vfi->rows > 1) l -= (vfi->rows - 1) * vfi->columns;
1191                 if (new_col >= l) new_col = l - 1;
1192                 }
1193
1194         vficon_set_focus(vfi, vficon_find_data(vfi, new_row, new_col, NULL));
1195 }
1196
1197 static void vficon_set_focus(ViewFileIcon *vfi, IconData *id)
1198 {
1199         GtkTreeIter iter;
1200         gint row, col;
1201
1202         if (g_list_find(vfi->list, vfi->focus_id))
1203                 {
1204                 if (id == vfi->focus_id)
1205                         {
1206                         /* ensure focus row col are correct */
1207                         vficon_find_position(vfi, vfi->focus_id, &vfi->focus_row, &vfi->focus_column);
1208                         return;
1209                         }
1210                 vficon_selection_remove(vfi, vfi->focus_id, SELECTION_FOCUS, NULL);
1211                 }
1212
1213         if (!vficon_find_position(vfi, id, &row, &col))
1214                 {
1215                 vfi->focus_id = NULL;
1216                 vfi->focus_row = -1;
1217                 vfi->focus_column = -1;
1218                 return;
1219                 }
1220
1221         vfi->focus_id = id;
1222         vfi->focus_row = row;
1223         vfi->focus_column = col;
1224         vficon_selection_add(vfi, vfi->focus_id, SELECTION_FOCUS, NULL);
1225
1226         if (vficon_find_iter(vfi, vfi->focus_id, &iter, NULL))
1227                 {
1228                 GtkTreePath *tpath;
1229                 GtkTreeViewColumn *column;
1230                 GtkTreeModel *store;
1231
1232                 tree_view_row_make_visible(GTK_TREE_VIEW(vfi->listview), &iter, FALSE);
1233
1234                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vfi->listview));
1235                 tpath = gtk_tree_model_get_path(store, &iter);
1236                 /* focus is set to an extra column with 0 width to hide focus, we draw it ourself */
1237                 column = gtk_tree_view_get_column(GTK_TREE_VIEW(vfi->listview), VFICON_MAX_COLUMNS);
1238                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(vfi->listview), tpath, column, FALSE);
1239                 gtk_tree_path_free(tpath);
1240                 }
1241 }
1242
1243 static void vficon_update_focus(ViewFileIcon *vfi)
1244 {
1245         gint new_row = 0;
1246         gint new_col = 0;
1247
1248         if (vfi->focus_id && vficon_find_position(vfi, vfi->focus_id, &new_row, &new_col))
1249                 {
1250                 /* first find the old focus, if it exists and is valid */
1251                 }
1252         else
1253                 {
1254                 /* (try to) stay where we were */
1255                 new_row = vfi->focus_row;
1256                 new_col = vfi->focus_column;
1257                 }
1258
1259         vficon_move_focus(vfi, new_row, new_col, FALSE);
1260 }
1261
1262 /* used to figure the page up/down distances */
1263 static gint page_height(ViewFileIcon *vfi)
1264 {
1265         GtkAdjustment *adj;
1266         gint page_size;
1267         gint row_height;
1268         gint ret;
1269
1270         adj = gtk_tree_view_get_vadjustment(GTK_TREE_VIEW(vfi->listview));
1271         page_size = (gint)adj->page_increment;
1272
1273         row_height = options->thumbnails.max_height + THUMB_BORDER_PADDING * 2;
1274         if (vfi->show_text) row_height += options->thumbnails.max_height / 3;
1275
1276         ret = page_size / row_height;
1277         if (ret < 1) ret = 1;
1278
1279         return ret;
1280 }
1281
1282 /*
1283  *-------------------------------------------------------------------
1284  * keyboard
1285  *-------------------------------------------------------------------
1286  */
1287
1288 static void vfi_menu_position_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
1289 {
1290         ViewFileIcon *vfi = data;
1291         GtkTreeModel *store;
1292         GtkTreeIter iter;
1293         gint column;
1294         GtkTreePath *tpath;
1295         gint cw, ch;
1296
1297         if (!vficon_find_iter(vfi, vfi->click_id, &iter, &column)) return;
1298         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vfi->listview));
1299         tpath = gtk_tree_model_get_path(store, &iter);
1300         tree_view_get_cell_clamped(GTK_TREE_VIEW(vfi->listview), tpath, column, FALSE, x, y, &cw, &ch);
1301         gtk_tree_path_free(tpath);
1302         *y += ch;
1303         popup_menu_position_clamp(menu, x, y, 0);
1304 }
1305
1306 static gint vficon_press_key_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1307 {
1308         ViewFileIcon *vfi = data;
1309         gint focus_row = 0;
1310         gint focus_col = 0;
1311         IconData *id;
1312         gint stop_signal;
1313
1314         stop_signal = TRUE;
1315         switch (event->keyval)
1316                 {
1317                 case GDK_Left: case GDK_KP_Left:
1318                         focus_col = -1;
1319                         break;
1320                 case GDK_Right: case GDK_KP_Right:
1321                         focus_col = 1;
1322                         break;
1323                 case GDK_Up: case GDK_KP_Up:
1324                         focus_row = -1;
1325                         break;
1326                 case GDK_Down: case GDK_KP_Down:
1327                         focus_row = 1;
1328                         break;
1329                 case GDK_Page_Up: case GDK_KP_Page_Up:
1330                         focus_row = -page_height(vfi);
1331                         break;
1332                 case GDK_Page_Down: case GDK_KP_Page_Down:
1333                         focus_row = page_height(vfi);
1334                         break;
1335                 case GDK_Home: case GDK_KP_Home:
1336                         focus_row = -vfi->focus_row;
1337                         focus_col = -vfi->focus_column;
1338                         break;
1339                 case GDK_End: case GDK_KP_End:
1340                         focus_row = vfi->rows - 1 - vfi->focus_row;
1341                         focus_col = vfi->columns - 1 - vfi->focus_column;
1342                         break;
1343                 case GDK_space:
1344                         id = vficon_find_data(vfi, vfi->focus_row, vfi->focus_column, NULL);
1345                         if (id)
1346                                 {
1347                                 vfi->click_id = id;
1348                                 if (event->state & GDK_CONTROL_MASK)
1349                                         {
1350                                         gint selected;
1351
1352                                         selected = id->selected & SELECTION_SELECTED;
1353                                         if (selected)
1354                                                 {
1355                                                 vficon_unselect(vfi, id);
1356                                                 }
1357                                         else
1358                                                 {
1359                                                 vficon_select(vfi, id);
1360                                                 vficon_send_layout_select(vfi, id);
1361                                                 }
1362                                         }
1363                                 else
1364                                         {
1365                                         vficon_select_none(vfi);
1366                                         vficon_select(vfi, id);
1367                                         vficon_send_layout_select(vfi, id);
1368                                         }
1369                                 }
1370                         break;
1371                 case GDK_Menu:
1372                         id = vficon_find_data(vfi, vfi->focus_row, vfi->focus_column, NULL);
1373                         vfi->click_id = id;
1374
1375                         vficon_selection_add(vfi, vfi->click_id, SELECTION_PRELIGHT, NULL);
1376                         tip_unschedule(vfi);
1377
1378                         vfi->popup = vficon_pop_menu(vfi, (id != NULL));
1379                         gtk_menu_popup(GTK_MENU(vfi->popup), NULL, NULL, vfi_menu_position_cb, vfi, 0, GDK_CURRENT_TIME);
1380                         break;
1381                 default:
1382                         stop_signal = FALSE;
1383                         break;
1384                 }
1385
1386         if (focus_row != 0 || focus_col != 0)
1387                 {
1388                 IconData *new_id;
1389                 IconData *old_id;
1390
1391                 old_id = vficon_find_data(vfi, vfi->focus_row, vfi->focus_column, NULL);
1392                 vficon_move_focus(vfi, focus_row, focus_col, TRUE);
1393                 new_id = vficon_find_data(vfi, vfi->focus_row, vfi->focus_column, NULL);
1394
1395                 if (new_id != old_id)
1396                         {
1397                         if (event->state & GDK_SHIFT_MASK)
1398                                 {
1399                                 if (!options->collections.rectangular_selection)
1400                                         {
1401                                         vficon_select_region_util(vfi, old_id, new_id, FALSE);
1402                                         }
1403                                 else
1404                                         {
1405                                         vficon_select_region_util(vfi, vfi->click_id, old_id, FALSE);
1406                                         }
1407                                 vficon_select_region_util(vfi, vfi->click_id, new_id, TRUE);
1408                                 vficon_send_layout_select(vfi, new_id);
1409                                 }
1410                         else if (event->state & GDK_CONTROL_MASK)
1411                                 {
1412                                 vfi->click_id = new_id;
1413                                 }
1414                         else
1415                                 {
1416                                 vfi->click_id = new_id;
1417                                 vficon_select_none(vfi);
1418                                 vficon_select(vfi, new_id);
1419                                 vficon_send_layout_select(vfi, new_id);
1420                                 }
1421                         }
1422                 }
1423
1424         if (stop_signal)
1425                 {
1426 #if 0
1427                 g_signal_stop_emission_by_name(GTK_OBJECT(widget), "key_press_event");
1428 #endif
1429                 tip_unschedule(vfi);
1430                 }
1431
1432         return stop_signal;
1433 }
1434
1435 /*
1436  *-------------------------------------------------------------------
1437  * mouse
1438  *-------------------------------------------------------------------
1439  */
1440
1441 static gint vficon_motion_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1442 {
1443         ViewFileIcon *vfi = data;
1444         IconData *id;
1445
1446         id = vficon_find_data_by_coord(vfi, (gint)bevent->x, (gint)bevent->y, NULL);
1447         tip_update(vfi, id);
1448
1449         return FALSE;
1450 }
1451
1452 static gint vficon_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1453 {
1454         ViewFileIcon *vfi = data;
1455         GtkTreeIter iter;
1456         IconData *id;
1457
1458         tip_unschedule(vfi);
1459
1460         id = vficon_find_data_by_coord(vfi, (gint)bevent->x, (gint)bevent->y, &iter);
1461
1462         vfi->click_id = id;
1463         vficon_selection_add(vfi, vfi->click_id, SELECTION_PRELIGHT, &iter);
1464
1465         switch (bevent->button)
1466                 {
1467                 case MOUSE_BUTTON_LEFT:
1468                         if (!GTK_WIDGET_HAS_FOCUS(vfi->listview))
1469                                 {
1470                                 gtk_widget_grab_focus(vfi->listview);
1471                                 }
1472 #if 0
1473                         if (bevent->type == GDK_2BUTTON_PRESS &&
1474                             vfi->layout)
1475                                 {
1476                                 vficon_selection_remove(vfi, vfi->click_id, SELECTION_PRELIGHT, &iter);
1477                                 layout_image_full_screen_start(vfi->layout);
1478                                 }
1479 #endif
1480                         break;
1481                 case MOUSE_BUTTON_RIGHT:
1482                         vfi->popup = vficon_pop_menu(vfi, (id != NULL));
1483                         gtk_menu_popup(GTK_MENU(vfi->popup), NULL, NULL, NULL, NULL, bevent->button, bevent->time);
1484                         break;
1485                 default:
1486                         break;
1487                 }
1488
1489         return TRUE;
1490 }
1491
1492 static gint vficon_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1493 {
1494         ViewFileIcon *vfi = data;
1495         GtkTreeIter iter;
1496         IconData *id = NULL;
1497         gint was_selected = FALSE;
1498
1499         tip_schedule(vfi);
1500
1501         if ((gint)bevent->x != 0 || (gint) bevent->y != 0)
1502                 {
1503                 id = vficon_find_data_by_coord(vfi, (gint)bevent->x, (gint)bevent->y, &iter);
1504                 }
1505
1506         if (vfi->click_id)
1507                 {
1508                 vficon_selection_remove(vfi, vfi->click_id, SELECTION_PRELIGHT, NULL);
1509                 }
1510
1511         if (id) was_selected = (id->selected & SELECTION_SELECTED);
1512
1513         if (bevent->button == MOUSE_BUTTON_LEFT &&
1514             id && vfi->click_id == id)
1515                 {
1516                 vficon_set_focus(vfi, id);
1517
1518                 if (bevent->state & GDK_CONTROL_MASK)
1519                         {
1520                         gint select;
1521
1522                         select = !(id->selected & SELECTION_SELECTED);
1523                         if ((bevent->state & GDK_SHIFT_MASK) && vfi->prev_selection)
1524                                 {
1525                                 vficon_select_region_util(vfi, vfi->prev_selection, id, select);
1526                                 }
1527                         else
1528                                 {
1529                                 vficon_select_util(vfi, id, select);
1530                                 }
1531                         }
1532                 else
1533                         {
1534                         vficon_select_none(vfi);
1535
1536                         if ((bevent->state & GDK_SHIFT_MASK) &&
1537                             vfi->prev_selection)
1538                                 {
1539                                 vficon_select_region_util(vfi, vfi->prev_selection, id, TRUE);
1540                                 }
1541                         else
1542                                 {
1543                                 vficon_select_util(vfi, id, TRUE);
1544                                 was_selected = FALSE;
1545                                 }
1546                         }
1547                 }
1548         else if (bevent->button == MOUSE_BUTTON_MIDDLE &&
1549                  id && vfi->click_id == id)
1550                 {
1551                 vficon_select_util(vfi, id, !(id->selected & SELECTION_SELECTED));
1552                 }
1553
1554         if (id && !was_selected &&
1555             (id->selected & SELECTION_SELECTED))
1556                 {
1557                 vficon_send_layout_select(vfi, id);
1558                 }
1559
1560         return TRUE;
1561 }
1562
1563 static gint vficon_leave_cb(GtkWidget *widget, GdkEventCrossing *event, gpointer data)
1564 {
1565         ViewFileIcon *vfi = data;
1566
1567         tip_unschedule(vfi);
1568         return FALSE;
1569 }
1570
1571 /*
1572  *-------------------------------------------------------------------
1573  * population
1574  *-------------------------------------------------------------------
1575  */
1576
1577 static gboolean vficon_destroy_node_cb(GtkTreeModel *store, GtkTreePath *tpath, GtkTreeIter *iter, gpointer data)
1578 {
1579         GList *list;
1580
1581         gtk_tree_model_get(store, iter, FILE_COLUMN_POINTER, &list, -1);
1582         g_list_free(list);
1583
1584         return FALSE;
1585 }
1586
1587 static void vficon_clear_store(ViewFileIcon *vfi)
1588 {
1589         GtkTreeModel *store;
1590
1591         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vfi->listview));
1592         gtk_tree_model_foreach(store, vficon_destroy_node_cb, NULL);
1593
1594         gtk_list_store_clear(GTK_LIST_STORE(store));
1595 }
1596
1597 static void vficon_set_thumb(ViewFileIcon *vfi, FileData *fd, GdkPixbuf *pb)
1598 {
1599         GtkTreeModel *store;
1600         GtkTreeIter iter;
1601         GList *list;
1602
1603         if (!vficon_find_iter(vfi, vficon_icon_data(vfi, fd), &iter, NULL)) return;
1604
1605         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vfi->listview));
1606
1607         if (pb) g_object_ref(pb);
1608         if (fd->pixbuf) g_object_unref(fd->pixbuf);
1609         fd->pixbuf = pb;
1610
1611         gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
1612         gtk_list_store_set(GTK_LIST_STORE(store), &iter, FILE_COLUMN_POINTER, list, -1);
1613 }
1614
1615 static GList *vficon_add_row(ViewFileIcon *vfi, GtkTreeIter *iter)
1616 {
1617         GtkListStore *store;
1618         GList *list = NULL;
1619         gint i;
1620
1621         for (i = 0; i < vfi->columns; i++) list = g_list_prepend(list, NULL);
1622
1623         store = GTK_LIST_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(vfi->listview)));
1624         gtk_list_store_append(store, iter);
1625         gtk_list_store_set(store, iter, FILE_COLUMN_POINTER, list, -1);
1626
1627         return list;
1628 }
1629
1630 static void vficon_populate(ViewFileIcon *vfi, gint resize, gint keep_position)
1631 {
1632         GtkTreeModel *store;
1633         GtkTreePath *tpath;
1634         gint row;
1635         GList *work;
1636         IconData *visible_id = NULL;
1637
1638         vficon_verify_selections(vfi);
1639
1640         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vfi->listview));
1641
1642         if (keep_position && GTK_WIDGET_REALIZED(vfi->listview) &&
1643             gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(vfi->listview), 0, 0, &tpath, NULL, NULL, NULL))
1644                 {
1645                 GtkTreeIter iter;
1646                 GList *list;
1647
1648                 gtk_tree_model_get_iter(store, &iter, tpath);
1649                 gtk_tree_path_free(tpath);
1650
1651                 gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
1652                 if (list) visible_id = list->data;
1653                 }
1654
1655         vficon_clear_store(vfi);
1656
1657         if (resize)
1658                 {
1659                 gint i;
1660                 gint thumb_width;
1661
1662                 thumb_width = vficon_get_icon_width(vfi);
1663
1664                 for (i = 0; i < VFICON_MAX_COLUMNS; i++)
1665                         {
1666                         GtkTreeViewColumn *column;
1667                         GtkCellRenderer *cell;
1668                         GList *list;
1669
1670                         column = gtk_tree_view_get_column(GTK_TREE_VIEW(vfi->listview), i);
1671                         gtk_tree_view_column_set_visible(column, (i < vfi->columns));
1672                         gtk_tree_view_column_set_fixed_width(column, thumb_width + (THUMB_BORDER_PADDING * 6));
1673
1674                         list = gtk_tree_view_column_get_cell_renderers(column);
1675                         cell = (list) ? list->data : NULL;
1676                         g_list_free(list);
1677
1678                         if (cell && GQV_IS_CELL_RENDERER_ICON(cell))
1679                                 {
1680                                 g_object_set(G_OBJECT(cell), "fixed_width", thumb_width,
1681                                                              "fixed_height", options->thumbnails.max_height,
1682                                                              "show_text", vfi->show_text, NULL);
1683                                 }
1684                         }
1685                 if (GTK_WIDGET_REALIZED(vfi->listview)) gtk_tree_view_columns_autosize(GTK_TREE_VIEW(vfi->listview));
1686                 }
1687
1688         row = -1;
1689         work = vfi->list;
1690         while (work)
1691                 {
1692                 GList *list;
1693                 GtkTreeIter iter;
1694
1695                 row++;
1696
1697                 list = vficon_add_row(vfi, &iter);
1698                 while (work && list)
1699                         {
1700                         IconData *id;
1701
1702                         id = work->data;
1703                         id->row = row;
1704
1705                         list->data = work->data;
1706                         list = list->next;
1707                         work = work->next;
1708                         }
1709                 }
1710
1711         if (visible_id &&
1712             gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(vfi->listview), 0, 0, &tpath, NULL, NULL, NULL))
1713                 {
1714                 GtkTreeIter iter;
1715                 GList *list;
1716
1717                 gtk_tree_model_get_iter(store, &iter, tpath);
1718                 gtk_tree_path_free(tpath);
1719
1720                 gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
1721                 if (g_list_find(list, visible_id) == NULL &&
1722                     vficon_find_iter(vfi, visible_id, &iter, NULL))
1723                         {
1724                         tree_view_row_make_visible(GTK_TREE_VIEW(vfi->listview), &iter, FALSE);
1725                         }
1726                 }
1727
1728         vfi->rows = row + 1;
1729
1730         vficon_send_update(vfi);
1731         vficon_thumb_update(vfi);
1732 }
1733
1734 static void vficon_populate_at_new_size(ViewFileIcon *vfi, gint w, gint h, gint force)
1735 {
1736         gint new_cols;
1737         gint thumb_width;
1738
1739         thumb_width = vficon_get_icon_width(vfi);
1740
1741         new_cols = w / (thumb_width + (THUMB_BORDER_PADDING * 6));
1742         if (new_cols < 1) new_cols = 1;
1743
1744         if (!force && new_cols == vfi->columns) return;
1745
1746         vfi->columns = new_cols;
1747
1748         vficon_populate(vfi, TRUE, TRUE);
1749
1750         DEBUG_1("col tab pop cols=%d rows=%d", vfi->columns, vfi->rows);
1751 }
1752
1753 static void vficon_sync(ViewFileIcon *vfi)
1754 {
1755         GtkTreeModel *store;
1756         GtkTreeIter iter;
1757         GList *work;
1758         gint r, c;
1759
1760         if (vfi->rows == 0) return;
1761
1762         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vfi->listview));
1763
1764         r = -1;
1765         c = 0;
1766
1767         work = vfi->list;
1768         while (work)
1769                 {
1770                 GList *list;
1771                 r++;
1772                 c = 0;
1773                 if (gtk_tree_model_iter_nth_child(store, &iter, NULL, r))
1774                         {
1775                         gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
1776                         gtk_list_store_set(GTK_LIST_STORE(store), &iter, FILE_COLUMN_POINTER, list, -1);
1777                         }
1778                 else
1779                         {
1780                         list = vficon_add_row(vfi, &iter);
1781                         }
1782
1783                 while (list)
1784                         {
1785                         IconData *id;
1786
1787                         if (work)
1788                                 {
1789                                 id = work->data;
1790                                 work = work->next;
1791                                 c++;
1792
1793                                 id->row = r;
1794                                 }
1795                         else
1796                                 {
1797                                 id = NULL;
1798                                 }
1799
1800                         list->data = id;
1801                         list = list->next;
1802                         }
1803                 }
1804
1805         r++;
1806         while (gtk_tree_model_iter_nth_child(store, &iter, NULL, r))
1807                 {
1808                 GList *list;
1809
1810                 gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
1811                 gtk_list_store_remove(GTK_LIST_STORE(store), &iter);
1812                 g_list_free(list);
1813                 }
1814
1815         vfi->rows = r;
1816
1817         vficon_update_focus(vfi);
1818 }
1819
1820 static gint vficon_sync_idle_cb(gpointer data)
1821 {
1822         ViewFileIcon *vfi = data;
1823
1824         if (vfi->sync_idle_id == -1) return FALSE;
1825         vfi->sync_idle_id = -1;
1826
1827         vficon_sync(vfi);
1828         return FALSE;
1829 }
1830
1831 static void vficon_sync_idle(ViewFileIcon *vfi)
1832 {
1833         if (vfi->sync_idle_id == -1)
1834                 {
1835                 /* high priority, the view needs to be resynced before a redraw
1836                  * may contain invalid pointers at this time
1837                  */
1838                 vfi->sync_idle_id = g_idle_add_full(G_PRIORITY_HIGH, vficon_sync_idle_cb, vfi, NULL);
1839                 }
1840 }
1841
1842 static void vficon_sized_cb(GtkWidget *widget, GtkAllocation *allocation, gpointer data)
1843 {
1844         ViewFileIcon *vfi = data;
1845
1846         vficon_populate_at_new_size(vfi, allocation->width, allocation->height, FALSE);
1847 }
1848
1849 /*
1850  *-----------------------------------------------------------------------------
1851  * misc
1852  *-----------------------------------------------------------------------------
1853  */
1854
1855 void vficon_sort_set(ViewFileIcon *vfi, SortType type, gint ascend)
1856 {
1857         if (vfi->sort_method == type && vfi->sort_ascend == ascend) return;
1858
1859         vfi->sort_method = type;
1860         vfi->sort_ascend = ascend;
1861
1862         if (!vfi->list) return;
1863
1864         vfi->list = iconlist_sort(vfi->list, vfi->sort_method, vfi->sort_ascend);
1865         vficon_sync(vfi);
1866 }
1867
1868 /*
1869  *-----------------------------------------------------------------------------
1870  * thumb updates
1871  *-----------------------------------------------------------------------------
1872  */
1873
1874 static gint vficon_thumb_next(ViewFileIcon *vfi);
1875
1876 static void vficon_thumb_status(ViewFileIcon *vfi, gdouble val, const gchar *text)
1877 {
1878         if (vfi->func_thumb_status)
1879                 {
1880                 vfi->func_thumb_status(vfi, val, text, vfi->data_thumb_status);
1881                 }
1882 }
1883
1884 static void vficon_thumb_cleanup(ViewFileIcon *vfi)
1885 {
1886         vficon_thumb_status(vfi, 0.0, NULL);
1887
1888         vfi->thumbs_count = 0;
1889         vfi->thumbs_running = FALSE;
1890
1891         thumb_loader_free(vfi->thumbs_loader);
1892         vfi->thumbs_loader = NULL;
1893
1894         vfi->thumbs_fd = NULL;
1895 }
1896
1897 static void vficon_thumb_stop(ViewFileIcon *vfi)
1898 {
1899         if (vfi->thumbs_running) vficon_thumb_cleanup(vfi);
1900 }
1901
1902 static void vficon_thumb_do(ViewFileIcon *vfi, ThumbLoader *tl, FileData *fd)
1903 {
1904         GdkPixbuf *pixbuf;
1905
1906         if (!fd) return;
1907
1908         pixbuf = thumb_loader_get_pixbuf(tl, TRUE);
1909         vficon_set_thumb(vfi, fd, pixbuf);
1910         g_object_unref(pixbuf);
1911
1912         vficon_thumb_status(vfi, (gdouble)(vfi->thumbs_count) / g_list_length(vfi->list), _("Loading thumbs..."));
1913 }
1914
1915 static void vficon_thumb_error_cb(ThumbLoader *tl, gpointer data)
1916 {
1917         ViewFileIcon *vfi = data;
1918
1919         if (vfi->thumbs_fd && vfi->thumbs_loader == tl)
1920                 {
1921                 vficon_thumb_do(vfi, tl, vfi->thumbs_fd);
1922                 }
1923
1924         while (vficon_thumb_next(vfi));
1925 }
1926
1927 static void vficon_thumb_done_cb(ThumbLoader *tl, gpointer data)
1928 {
1929         ViewFileIcon *vfi = data;
1930
1931         if (vfi->thumbs_fd && vfi->thumbs_loader == tl)
1932                 {
1933                 vficon_thumb_do(vfi, tl, vfi->thumbs_fd);
1934                 }
1935
1936         while (vficon_thumb_next(vfi));
1937 }
1938
1939 static gint vficon_thumb_next(ViewFileIcon *vfi)
1940 {
1941         GtkTreePath *tpath;
1942         FileData *fd = NULL;
1943
1944         if (!GTK_WIDGET_REALIZED(vfi->listview))
1945                 {
1946                 vficon_thumb_status(vfi, 0.0, NULL);
1947                 return FALSE;
1948                 }
1949
1950         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(vfi->listview), 0, 0, &tpath, NULL, NULL, NULL))
1951                 {
1952                 GtkTreeModel *store;
1953                 GtkTreeIter iter;
1954                 gint valid = TRUE;
1955
1956                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vfi->listview));
1957                 gtk_tree_model_get_iter(store, &iter, tpath);
1958                 gtk_tree_path_free(tpath);
1959
1960                 while (!fd && valid && tree_view_row_get_visibility(GTK_TREE_VIEW(vfi->listview), &iter, FALSE) == 0)
1961                         {
1962                         GList *list;
1963
1964                         gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
1965
1966                         while (!fd && list)
1967                                 {
1968                                 IconData *id = list->data;
1969                                 if (id && !id->fd->pixbuf) fd = id->fd;
1970                                 list = list->next;
1971                                 }
1972
1973                         valid = gtk_tree_model_iter_next(store, &iter);
1974                         }
1975                 }
1976
1977         /* then find first undone */
1978
1979         if (!fd)
1980                 {
1981                 GList *work = vfi->list;
1982                 while (work && !fd)
1983                         {
1984                         IconData *id = work->data;
1985                         FileData *fd_p = id->fd;
1986                         work = work->next;
1987
1988                         if (!fd_p->pixbuf) fd = fd_p;
1989                         }
1990                 }
1991
1992         if (!fd)
1993                 {
1994                 /* done */
1995                 vficon_thumb_cleanup(vfi);
1996                 return FALSE;
1997                 }
1998
1999         vfi->thumbs_count++;
2000
2001         vfi->thumbs_fd = fd;
2002
2003         thumb_loader_free(vfi->thumbs_loader);
2004
2005         vfi->thumbs_loader = thumb_loader_new(options->thumbnails.max_width, options->thumbnails.max_height);
2006         thumb_loader_set_callbacks(vfi->thumbs_loader,
2007                                    vficon_thumb_done_cb,
2008                                    vficon_thumb_error_cb,
2009                                    NULL,
2010                                    vfi);
2011
2012         if (!thumb_loader_start(vfi->thumbs_loader, fd->path))
2013                 {
2014                 /* set icon to unknown, continue */
2015                 DEBUG_1("thumb loader start failed %s", vfi->thumbs_loader->path);
2016                 vficon_thumb_do(vfi, vfi->thumbs_loader, fd);
2017
2018                 return TRUE;
2019                 }
2020
2021         return FALSE;
2022 }
2023
2024 static void vficon_thumb_update(ViewFileIcon *vfi)
2025 {
2026         vficon_thumb_stop(vfi);
2027
2028         vficon_thumb_status(vfi, 0.0, _("Loading thumbs..."));
2029         vfi->thumbs_running = TRUE;
2030
2031         while (vficon_thumb_next(vfi));
2032 }
2033
2034 /*
2035  *-----------------------------------------------------------------------------
2036  * row stuff
2037  *-----------------------------------------------------------------------------
2038  */
2039
2040 FileData *vficon_index_get_data(ViewFileIcon *vfi, gint row)
2041 {
2042         IconData *id;
2043
2044         id = g_list_nth_data(vfi->list, row);
2045         return id ? id->fd : NULL;
2046 }
2047
2048 gchar *vficon_index_get_path(ViewFileIcon *vfi, gint row)
2049 {
2050         FileData *fd;
2051         IconData *id;
2052
2053         id = g_list_nth_data(vfi->list, row);
2054         fd = id ? id->fd : NULL;
2055
2056         return (fd ? fd->path : NULL);
2057 }
2058
2059 gint vficon_index_by_path(ViewFileIcon *vfi, const gchar *path)
2060 {
2061         gint p = 0;
2062         GList *work;
2063
2064         if (!path) return -1;
2065
2066         work = vfi->list;
2067         while (work)
2068                 {
2069                 IconData *id = work->data;
2070                 FileData *fd = id->fd;
2071                 if (strcmp(path, fd->path) == 0) return p;
2072                 work = work->next;
2073                 p++;
2074                 }
2075
2076         return -1;
2077 }
2078
2079 gint vficon_index_by_fd(ViewFileIcon *vfi, FileData *in_fd)
2080 {
2081         gint p = 0;
2082         GList *work;
2083
2084         if (!in_fd) return -1;
2085
2086         work = vfi->list;
2087         while (work)
2088                 {
2089                 IconData *id = work->data;
2090                 FileData *fd = id->fd;
2091                 if (fd == in_fd) return p;
2092                 work = work->next;
2093                 p++;
2094                 }
2095
2096         return -1;
2097 }
2098
2099 static gint vficon_index_by_id(ViewFileIcon *vfi, IconData *in_id)
2100 {
2101         gint p = 0;
2102         GList *work;
2103
2104         if (!in_id) return -1;
2105
2106         work = vfi->list;
2107         while (work)
2108                 {
2109                 IconData *id = work->data;
2110                 if (id == in_id) return p;
2111                 work = work->next;
2112                 p++;
2113                 }
2114
2115         return -1;
2116 }
2117
2118 gint vficon_count(ViewFileIcon *vfi, gint64 *bytes)
2119 {
2120         if (bytes)
2121                 {
2122                 gint64 b = 0;
2123                 GList *work;
2124
2125                 work = vfi->list;
2126                 while (work)
2127                         {
2128
2129                         IconData *id = work->data;
2130                         FileData *fd = id->fd;
2131                         work = work->next;
2132                         b += fd->size;
2133                         }
2134
2135                 *bytes = b;
2136                 }
2137
2138         return g_list_length(vfi->list);
2139 }
2140
2141 GList *vficon_get_list(ViewFileIcon *vfi)
2142 {
2143         GList *list = NULL;
2144         GList *work;
2145
2146         work = vfi->list;
2147         while (work)
2148                 {
2149                 IconData *id = work->data;
2150                 FileData *fd = id->fd;
2151                 work = work->next;
2152
2153                 list = g_list_prepend(list, file_data_ref(fd));
2154                 }
2155
2156         return g_list_reverse(list);
2157 }
2158
2159 /*
2160  *-----------------------------------------------------------------------------
2161  *
2162  *-----------------------------------------------------------------------------
2163  */
2164
2165 static gint vficon_refresh_real(ViewFileIcon *vfi, gint keep_position)
2166 {
2167         gint ret = TRUE;
2168         GList *old_list;
2169         GList *work;
2170         IconData *focus_id;
2171
2172         focus_id = vfi->focus_id;
2173
2174         old_list = vfi->list;
2175         vfi->list = NULL;
2176
2177         if (vfi->path)
2178                 {
2179                 ret = iconlist_read(vfi->path, &vfi->list);
2180                 }
2181
2182         /* check for same files from old_list */
2183         work = old_list;
2184         while (work)
2185                 {
2186                 IconData *id;
2187                 FileData *fd;
2188
2189                 GList *needle;
2190
2191                 id = work->data;
2192                 fd = id->fd;
2193
2194                 needle = vfi->list;
2195                 while (needle)
2196                         {
2197                         IconData *idn = needle->data;
2198                         FileData *fdn = idn->fd;
2199                         if (fdn == fd)
2200                                 {
2201                                 /* swap, to retain old thumb, selection */
2202                                 needle->data = id;
2203                                 work->data = idn;
2204                                 needle = NULL;
2205                                 }
2206                         else
2207                                 {
2208                                 needle = needle->next;
2209                                 }
2210                         }
2211
2212                 work = work->next;
2213                 }
2214
2215         vfi->list = iconlist_sort(vfi->list, vfi->sort_method, vfi->sort_ascend);
2216
2217         work = old_list;
2218         while (work)
2219                 {
2220                 IconData *id = work->data;
2221                 work = work->next;
2222
2223                 if (id == vfi->prev_selection) vfi->prev_selection = NULL;
2224                 if (id == vfi->click_id) vfi->click_id = NULL;
2225                 }
2226
2227         vficon_populate(vfi, TRUE, keep_position);
2228
2229         /* attempt to keep focus on same icon when refreshing */
2230         if (focus_id && g_list_find(vfi->list, focus_id))
2231                 {
2232                 vficon_set_focus(vfi, focus_id);
2233                 }
2234
2235         iconlist_free(old_list);
2236
2237         return ret;
2238 }
2239
2240 gint vficon_refresh(ViewFileIcon *vfi)
2241 {
2242         return vficon_refresh_real(vfi, TRUE);
2243 }
2244
2245 /*
2246  *-----------------------------------------------------------------------------
2247  * draw, etc.
2248  *-----------------------------------------------------------------------------
2249  */
2250
2251 typedef struct _ColumnData ColumnData;
2252 struct _ColumnData
2253 {
2254         ViewFileIcon *vfi;
2255         gint number;
2256 };
2257
2258 static void vficon_cell_data_cb(GtkTreeViewColumn *tree_column, GtkCellRenderer *cell,
2259                                 GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
2260 {
2261         ColumnData *cd = data;
2262         ViewFileIcon *vfi;
2263         GtkStyle *style;
2264         GList *list;
2265         GdkColor color_fg;
2266         GdkColor color_bg;
2267         IconData *id;
2268
2269         vfi = cd->vfi;
2270
2271         gtk_tree_model_get(tree_model, iter, FILE_COLUMN_POINTER, &list, -1);
2272
2273         id = g_list_nth_data(list, cd->number);
2274
2275         if (id) g_assert(id->fd->magick == 0x12345678);
2276
2277         style = gtk_widget_get_style(vfi->listview);
2278         if (id && id->selected & SELECTION_SELECTED)
2279                 {
2280                 memcpy(&color_fg, &style->text[GTK_STATE_SELECTED], sizeof(color_fg));
2281                 memcpy(&color_bg, &style->base[GTK_STATE_SELECTED], sizeof(color_bg));
2282                 }
2283         else
2284                 {
2285                 memcpy(&color_fg, &style->text[GTK_STATE_NORMAL], sizeof(color_fg));
2286                 memcpy(&color_bg, &style->base[GTK_STATE_NORMAL], sizeof(color_bg));
2287                 }
2288
2289         if (id && id->selected & SELECTION_PRELIGHT)
2290                 {
2291 #if 0
2292                 shift_color(&color_fg, -1, 0);
2293 #endif
2294                 shift_color(&color_bg, -1, 0);
2295                 }
2296
2297         if (GQV_IS_CELL_RENDERER_ICON(cell))
2298                 {
2299                 if (id)
2300                         {
2301                         g_object_set(cell,      "pixbuf", id->fd->pixbuf,
2302                                                 "text", id->fd->name,
2303                                                 "cell-background-gdk", &color_bg,
2304                                                 "cell-background-set", TRUE,
2305                                                 "foreground-gdk", &color_fg,
2306                                                 "foreground-set", TRUE,
2307                                                 "has-focus", (vfi->focus_id == id), NULL);
2308                         }
2309                 else
2310                         {
2311                         g_object_set(cell,      "pixbuf", NULL,
2312                                                 "text", NULL,
2313                                                 "cell-background-set", FALSE,
2314                                                 "foreground-set", FALSE,
2315                                                 "has-focus", FALSE, NULL);
2316                         }
2317                 }
2318 }
2319
2320 static void vficon_append_column(ViewFileIcon *vfi, gint n)
2321 {
2322         ColumnData *cd;
2323         GtkTreeViewColumn *column;
2324         GtkCellRenderer *renderer;
2325
2326         column = gtk_tree_view_column_new();
2327         gtk_tree_view_column_set_min_width(column, 0);
2328
2329         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_FIXED);
2330         gtk_tree_view_column_set_alignment(column, 0.5);
2331
2332         renderer = gqv_cell_renderer_icon_new();
2333         gtk_tree_view_column_pack_start(column, renderer, FALSE);
2334         g_object_set(G_OBJECT(renderer), "xpad", THUMB_BORDER_PADDING * 2,
2335                                          "ypad", THUMB_BORDER_PADDING,
2336                                          "mode", GTK_CELL_RENDERER_MODE_ACTIVATABLE, NULL);
2337
2338         g_object_set_data(G_OBJECT(column), "column_number", GINT_TO_POINTER(n));
2339
2340         cd = g_new0(ColumnData, 1);
2341         cd->vfi = vfi;
2342         cd->number = n;
2343         gtk_tree_view_column_set_cell_data_func(column, renderer, vficon_cell_data_cb, cd, g_free);
2344
2345         gtk_tree_view_append_column(GTK_TREE_VIEW(vfi->listview), column);
2346 }
2347
2348 /*
2349  *-----------------------------------------------------------------------------
2350  * base
2351  *-----------------------------------------------------------------------------
2352  */
2353
2354 gint vficon_set_path(ViewFileIcon *vfi, const gchar *path)
2355 {
2356         gint ret;
2357
2358         if (!path) return FALSE;
2359         if (vfi->path && strcmp(path, vfi->path) == 0) return TRUE;
2360
2361         g_free(vfi->path);
2362         vfi->path = g_strdup(path);
2363
2364         g_list_free(vfi->selection);
2365         vfi->selection = NULL;
2366
2367         iconlist_free(vfi->list);
2368         vfi->list = NULL;
2369
2370         /* NOTE: populate will clear the store for us */
2371         ret = vficon_refresh_real(vfi, FALSE);
2372
2373         vfi->focus_id = NULL;
2374         vficon_move_focus(vfi, 0, 0, FALSE);
2375
2376         return ret;
2377 }
2378
2379 static void vficon_destroy_cb(GtkWidget *widget, gpointer data)
2380 {
2381         ViewFileIcon *vfi = data;
2382
2383         if (vfi->popup)
2384                 {
2385                 g_signal_handlers_disconnect_matched(G_OBJECT(vfi->popup), G_SIGNAL_MATCH_DATA,
2386                                                      0, 0, 0, NULL, vfi);
2387                 gtk_widget_destroy(vfi->popup);
2388                 }
2389
2390         if (vfi->sync_idle_id != -1) g_source_remove(vfi->sync_idle_id);
2391
2392         tip_unschedule(vfi);
2393
2394         vficon_thumb_cleanup(vfi);
2395
2396         g_free(vfi->path);
2397
2398         iconlist_free(vfi->list);
2399         g_list_free(vfi->selection);
2400         g_free(vfi);
2401 }
2402
2403 ViewFileIcon *vficon_new(const gchar *path)
2404 {
2405         ViewFileIcon *vfi;
2406         GtkListStore *store;
2407         GtkTreeSelection *selection;
2408         gint i;
2409
2410         vfi = g_new0(ViewFileIcon, 1);
2411
2412         vfi->path = NULL;
2413         vfi->sort_method = SORT_NAME;
2414         vfi->sort_ascend = TRUE;
2415
2416         vfi->selection = NULL;
2417         vfi->prev_selection = NULL;
2418
2419         vfi->tip_window = NULL;
2420         vfi->tip_delay_id = -1;
2421
2422         vfi->focus_row = 0;
2423         vfi->focus_column = 0;
2424         vfi->focus_id = NULL;
2425
2426         vfi->show_text = options->show_icon_names;
2427
2428         vfi->sync_idle_id = -1;
2429
2430         vfi->popup = NULL;
2431
2432         vfi->widget = gtk_scrolled_window_new(NULL, NULL);
2433         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(vfi->widget), GTK_SHADOW_IN);
2434         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(vfi->widget),
2435                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_AUTOMATIC);
2436         g_signal_connect(G_OBJECT(vfi->widget), "destroy",
2437                          G_CALLBACK(vficon_destroy_cb), vfi);
2438
2439         store = gtk_list_store_new(1, G_TYPE_POINTER);
2440         vfi->listview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
2441         g_object_unref(store);
2442
2443         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vfi->listview));
2444         gtk_tree_selection_set_mode(GTK_TREE_SELECTION(selection), GTK_SELECTION_NONE);
2445
2446         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(vfi->listview), FALSE);
2447         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(vfi->listview), FALSE);
2448
2449         for (i = 0; i < VFICON_MAX_COLUMNS; i++)
2450                 {
2451                 vficon_append_column(vfi, i);
2452                 }
2453
2454         /* zero width column to hide tree view focus, we draw it ourselves */
2455         vficon_append_column(vfi, i);
2456         /* end column to fill white space */
2457         vficon_append_column(vfi, i);
2458
2459         g_signal_connect(G_OBJECT(vfi->listview), "size_allocate",
2460                          G_CALLBACK(vficon_sized_cb), vfi);
2461         g_signal_connect(G_OBJECT(vfi->listview), "key_press_event",
2462                          G_CALLBACK(vficon_press_key_cb), vfi);
2463
2464         gtk_container_add(GTK_CONTAINER(vfi->widget), vfi->listview);
2465         gtk_widget_show(vfi->listview);
2466
2467         vficon_dnd_init(vfi);
2468
2469         gtk_widget_set_events(vfi->listview, GDK_POINTER_MOTION_MASK | GDK_BUTTON_RELEASE_MASK |
2470                               GDK_BUTTON_PRESS_MASK | GDK_LEAVE_NOTIFY_MASK);
2471         g_signal_connect(G_OBJECT(vfi->listview), "button_press_event",
2472                          G_CALLBACK(vficon_press_cb), vfi);
2473         g_signal_connect(G_OBJECT(vfi->listview), "button_release_event",
2474                          G_CALLBACK(vficon_release_cb), vfi);
2475         g_signal_connect(G_OBJECT(vfi->listview),"motion_notify_event",
2476                          G_CALLBACK(vficon_motion_cb), vfi);
2477         g_signal_connect(G_OBJECT(vfi->listview), "leave_notify_event",
2478                          G_CALLBACK(vficon_leave_cb), vfi);
2479
2480         /* force vfi->columns to be at least 1 (sane) - this will be corrected in the size_cb */
2481         vficon_populate_at_new_size(vfi, 1, 1, FALSE);
2482
2483         if (path) vficon_set_path(vfi, path);
2484
2485         return vfi;
2486 }
2487
2488 void vficon_set_status_func(ViewFileIcon *vfi,
2489                             void (*func)(ViewFileIcon *vfi, gpointer data), gpointer data)
2490 {
2491         vfi->func_status = func;
2492         vfi->data_status = data;
2493 }
2494
2495 void vficon_set_thumb_status_func(ViewFileIcon *vfi,
2496                                   void (*func)(ViewFileIcon *vfi, gdouble val, const gchar *text, gpointer data),
2497                                   gpointer data)
2498 {
2499         vfi->func_thumb_status = func;
2500         vfi->data_thumb_status = data;
2501 }
2502
2503 void vficon_set_layout(ViewFileIcon *vfi, LayoutWindow *layout)
2504 {
2505         vfi->layout = layout;
2506 }
2507
2508 /*
2509  *-----------------------------------------------------------------------------
2510  * maintenance (for rename, move, remove)
2511  *-----------------------------------------------------------------------------
2512  */
2513
2514 static gint vficon_maint_find_closest(ViewFileIcon *vfi, gint row, gint count, GList *ignore_list)
2515 {
2516         GList *list = NULL;
2517         GList *work;
2518         gint rev = row - 1;
2519         row ++;
2520
2521         work = ignore_list;
2522         while (work)
2523                 {
2524                 FileData *fd = work->data;
2525                 gint f = vficon_index_by_fd(vfi, work->data);
2526                 g_assert(fd->magick == 0x12345678);
2527                 if (f >= 0) list = g_list_prepend(list, GINT_TO_POINTER(f));
2528                 work = work->next;
2529                 }
2530
2531         while (list)
2532                 {
2533                 gint c = TRUE;
2534                 work = list;
2535                 while (work && c)
2536                         {
2537                         gpointer p = work->data;
2538                         work = work->next;
2539                         if (row == GPOINTER_TO_INT(p))
2540                                 {
2541                                 row++;
2542                                 c = FALSE;
2543                                 }
2544                         if (rev == GPOINTER_TO_INT(p))
2545                                 {
2546                                 rev--;
2547                                 c = FALSE;
2548                                 }
2549                         if (!c) list = g_list_remove(list, p);
2550                         }
2551                 if (c && list)
2552                         {
2553                         g_list_free(list);
2554                         list = NULL;
2555                         }
2556                 }
2557         if (row > count - 1)
2558                 {
2559                 if (rev < 0)
2560                         return -1;
2561                 else
2562                         return rev;
2563                 }
2564         else
2565                 {
2566                 return row;
2567                 }
2568 }
2569
2570 gint vficon_maint_renamed(ViewFileIcon *vfi, FileData *fd)
2571 {
2572         gint ret = FALSE;
2573         gint row;
2574         gchar *source_base;
2575         gchar *dest_base;
2576         IconData *id = vficon_icon_data(vfi, fd);
2577
2578         if (!id) return FALSE;
2579
2580         row = vficon_index_by_id(vfi, id);
2581         if (row < 0) return FALSE;
2582
2583         source_base = remove_level_from_path(fd->change->source);
2584         dest_base = remove_level_from_path(fd->change->dest);
2585
2586         if (strcmp(source_base, dest_base) == 0)
2587                 {
2588                 vfi->list = g_list_remove(vfi->list, id);
2589                 vfi->list = iconlist_insert_sort(vfi->list, id, vfi->sort_method, vfi->sort_ascend);
2590
2591                 vficon_sync_idle(vfi);
2592                 ret = TRUE;
2593                 }
2594         else
2595                 {
2596                 ret = vficon_maint_removed(vfi, fd, NULL);
2597                 }
2598
2599         g_free(source_base);
2600         g_free(dest_base);
2601
2602         return ret;
2603 }
2604
2605 gint vficon_maint_removed(ViewFileIcon *vfi, FileData *fd, GList *ignore_list)
2606 {
2607         gint row;
2608         gint new_row = -1;
2609         GtkTreeModel *store;
2610         GtkTreeIter iter;
2611         IconData *id = vficon_icon_data(vfi, fd);
2612
2613         if (!id) return FALSE;
2614
2615         row = g_list_index(vfi->list, id);
2616         if (row < 0) return FALSE;
2617
2618         if ((id->selected & SELECTION_SELECTED) &&
2619             layout_image_get_collection(vfi->layout, NULL) == NULL)
2620                 {
2621                 vficon_unselect(vfi, id);
2622
2623                 if (!vfi->selection)
2624                         {
2625                         gint n;
2626
2627                         n = vficon_count(vfi, NULL);
2628                         if (ignore_list)
2629                                 {
2630                                 new_row = vficon_maint_find_closest(vfi, row, n, ignore_list);
2631                                 DEBUG_1("row = %d, closest is %d", row, new_row);
2632                                 }
2633                         else
2634                                 {
2635                                 if (row + 1 < n)
2636                                         {
2637                                         new_row = row + 1;
2638                                         }
2639                                 else if (row > 0)
2640                                         {
2641                                         new_row = row - 1;
2642                                         }
2643                                 }
2644                         }
2645                 else if (ignore_list)
2646                         {
2647                         GList *work;
2648
2649                         work = vfi->selection;
2650                         while (work)
2651                                 {
2652                                 IconData *ignore_id;
2653                                 FileData *ignore_fd;
2654                                 GList *tmp;
2655                                 gint match = FALSE;
2656
2657                                 ignore_id = work->data;
2658                                 ignore_fd = ignore_id->fd;
2659                                 g_assert(ignore_fd->magick == 0x12345678);
2660                                 work = work->next;
2661
2662                                 tmp = ignore_list;
2663                                 while (tmp && !match)
2664                                         {
2665                                         FileData *ignore_list_fd = tmp->data;
2666                                         g_assert(ignore_list_fd->magick == 0x12345678);
2667                                         tmp = tmp->next;
2668
2669                                         if (ignore_list_fd == ignore_fd)
2670                                                 {
2671                                                 match = TRUE;
2672                                                 }
2673                                         }
2674                                 if (!match)
2675                                         {
2676                                         new_row = g_list_index(vfi->list, ignore_id);
2677                                         work = NULL;
2678                                         }
2679                                 }
2680                         if (new_row == -1)
2681                                 {
2682                                 /* selection all ignored, use closest */
2683                                 new_row = vficon_maint_find_closest(vfi, row, vficon_count(vfi, NULL), ignore_list);
2684                                 }
2685                         }
2686                 else
2687                         {
2688                         new_row = g_list_index(vfi->list, vfi->selection->data);
2689                         }
2690                 if (new_row >= 0)
2691                         {
2692                         IconData *idn = g_list_nth_data(vfi->list, new_row);
2693
2694                         vficon_select(vfi, idn);
2695                         vficon_send_layout_select(vfi, idn);
2696                         }
2697                 }
2698
2699         /* Thumb loader check */
2700         if (fd == vfi->thumbs_fd) vfi->thumbs_fd = NULL;
2701         if (vfi->thumbs_count > 0) vfi->thumbs_count--;
2702
2703         if (vfi->prev_selection == id) vfi->prev_selection = NULL;
2704         if (vfi->click_id == id) vfi->click_id = NULL;
2705
2706         /* remove pointer to this fd from grid */
2707         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vfi->listview));
2708         if (id->row >= 0 &&
2709             gtk_tree_model_iter_nth_child(store, &iter, NULL, id->row))
2710                 {
2711                 GList *list;
2712
2713                 gtk_tree_model_get(store, &iter, FILE_COLUMN_POINTER, &list, -1);
2714                 list = g_list_find(list, id);
2715                 if (list) list->data = NULL;
2716                 }
2717
2718         vfi->list = g_list_remove(vfi->list, id);
2719         file_data_unref(fd);
2720         g_free(id);
2721
2722         vficon_sync_idle(vfi);
2723         vficon_send_update(vfi);
2724
2725         return TRUE;
2726 }
2727
2728 gint vficon_maint_moved(ViewFileIcon *vfi, FileData *fd, GList *ignore_list)
2729 {
2730         gint ret = FALSE;
2731         gchar *buf;
2732
2733         if (!fd->change->source || !vfi->path) return FALSE;
2734
2735         buf = remove_level_from_path(fd->change->source);
2736
2737         if (strcmp(buf, vfi->path) == 0)
2738                 {
2739                 ret = vficon_maint_removed(vfi, fd, ignore_list);
2740                 }
2741
2742         g_free(buf);
2743
2744         return ret;
2745 }