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