Include a Other Software section in Help file
[geeqie.git] / src / img-view.c
1 /*
2  * Copyright (C) 2006 John Ellis
3  * Copyright (C) 2008 - 2016 The Geeqie Team
4  *
5  * Author: John Ellis
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License along
18  * with this program; if not, write to the Free Software Foundation, Inc.,
19  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
20  */
21
22 #include "main.h"
23 #include "img-view.h"
24
25 #include "collect.h"
26 #include "collect-io.h"
27 #include "dnd.h"
28 #include "editors.h"
29 #include "filedata.h"
30 #include "fullscreen.h"
31 #include "image.h"
32 #include "image-load.h"
33 #include "image-overlay.h"
34 #include "layout.h"
35 #include "layout_image.h"
36 #include "layout_util.h"
37 #include "menu.h"
38 #include "misc.h"
39 #include "pixbuf_util.h"
40 #include "pixbuf-renderer.h"
41 #include "print.h"
42 #include "slideshow.h"
43 #include "ui_fileops.h"
44 #include "ui_menu.h"
45 #include "uri_utils.h"
46 #include "utilops.h"
47 #include "window.h"
48
49 #include <gdk/gdkkeysyms.h> /* for keyboard values */
50
51
52 typedef struct _ViewWindow ViewWindow;
53 struct _ViewWindow
54 {
55         GtkWidget *window;
56         ImageWindow *imd;
57         FullScreenData *fs;
58         SlideShowData *ss;
59
60         GList *list;
61         GList *list_pointer;
62 };
63
64
65 static GList *view_window_list = NULL;
66
67
68 static GtkWidget *view_popup_menu(ViewWindow *vw);
69 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off);
70 static void view_overlay_toggle(ViewWindow *vw);
71
72 static void view_slideshow_next(ViewWindow *vw);
73 static void view_slideshow_prev(ViewWindow *vw);
74 static void view_slideshow_start(ViewWindow *vw);
75 static void view_slideshow_stop(ViewWindow *vw);
76
77 static void view_window_close(ViewWindow *vw);
78
79 static void view_window_dnd_init(ViewWindow *vw);
80
81 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data);
82
83 /*
84  *-----------------------------------------------------------------------------
85  * misc
86  *-----------------------------------------------------------------------------
87  */
88
89 static ImageWindow *view_window_active_image(ViewWindow *vw)
90 {
91         if (vw->fs) return vw->fs->imd;
92
93         return vw->imd;
94 }
95
96 static void view_window_set_list(ViewWindow *vw, GList *list)
97 {
98
99         filelist_free(vw->list);
100         vw->list = NULL;
101         vw->list_pointer = NULL;
102
103         vw->list = filelist_copy(list);
104 }
105
106 static gboolean view_window_contains_collection(ViewWindow *vw)
107 {
108         CollectionData *cd;
109         CollectInfo *info;
110
111         cd = image_get_collection(view_window_active_image(vw), &info);
112
113         return (cd && info);
114 }
115
116 static void view_collection_step(ViewWindow *vw, gboolean next)
117 {
118         ImageWindow *imd = view_window_active_image(vw);
119         CollectionData *cd;
120         CollectInfo *info;
121         CollectInfo *read_ahead_info = NULL;
122
123         cd = image_get_collection(imd, &info);
124
125         if (!cd || !info) return;
126
127         if (next)
128                 {
129                 info = collection_next_by_info(cd, info);
130                 if (options->image.enable_read_ahead)
131                         {
132                         read_ahead_info = collection_next_by_info(cd, info);
133                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
134                         }
135                 }
136         else
137                 {
138                 info = collection_prev_by_info(cd, info);
139                 if (options->image.enable_read_ahead)
140                         {
141                         read_ahead_info = collection_prev_by_info(cd, info);
142                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
143                         }
144                 }
145
146         if (info)
147                 {
148                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
149
150                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
151                 }
152
153 }
154
155 static void view_collection_step_to_end(ViewWindow *vw, gboolean last)
156 {
157         ImageWindow *imd = view_window_active_image(vw);
158         CollectionData *cd;
159         CollectInfo *info;
160         CollectInfo *read_ahead_info = NULL;
161
162         cd = image_get_collection(imd, &info);
163
164         if (!cd || !info) return;
165
166         if (last)
167                 {
168                 info = collection_get_last(cd);
169                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
170                 }
171         else
172                 {
173                 info = collection_get_first(cd);
174                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
175                 }
176
177         if (info)
178                 {
179                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
180                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
181                 }
182 }
183
184 static void view_list_step(ViewWindow *vw, gboolean next)
185 {
186         ImageWindow *imd = view_window_active_image(vw);
187         FileData *fd;
188         GList *work;
189         GList *work_ahead;
190
191         if (!vw->list) return;
192
193         fd = image_get_fd(imd);
194         if (!fd) return;
195
196         if (g_list_position(vw->list, vw->list_pointer) >= 0)
197                 {
198                 work = vw->list_pointer;
199                 }
200         else
201                 {
202                 gboolean found = FALSE;
203
204                 work = vw->list;
205                 while (work && !found)
206                         {
207                         FileData *temp;
208
209                         temp = work->data;
210
211                         if (fd == temp)
212                                 {
213                                 found = TRUE;
214                                 }
215                         else
216                                 {
217                                 work = work->next;
218                                 }
219                         }
220                 }
221         if (!work) return;
222
223         work_ahead = NULL;
224         if (next)
225                 {
226                 work = work->next;
227                 if (work) work_ahead = work->next;
228                 }
229         else
230                 {
231                 work = work->prev;
232                 if (work) work_ahead = work->prev;
233                 }
234
235         if (!work) return;
236
237         vw->list_pointer = work;
238         fd = work->data;
239         image_change_fd(imd, fd, image_zoom_get_default(imd));
240
241         if (options->image.enable_read_ahead && work_ahead)
242                 {
243                 FileData *next_fd = work_ahead->data;
244                 image_prebuffer_set(imd, next_fd);
245                 }
246 }
247
248 static void view_list_step_to_end(ViewWindow *vw, gboolean last)
249 {
250         ImageWindow *imd = view_window_active_image(vw);
251         FileData *fd;
252         GList *work;
253         GList *work_ahead;
254
255         if (!vw->list) return;
256
257         if (last)
258                 {
259                 work = g_list_last(vw->list);
260                 work_ahead = work->prev;
261                 }
262         else
263                 {
264                 work = vw->list;
265                 work_ahead = work->next;
266                 }
267
268         vw->list_pointer = work;
269         fd = work->data;
270         image_change_fd(imd, fd, image_zoom_get_default(imd));
271
272         if (options->image.enable_read_ahead && work_ahead)
273                 {
274                 FileData *next_fd = work_ahead->data;
275                 image_prebuffer_set(imd, next_fd);
276                 }
277 }
278
279 static void view_step_next(ViewWindow *vw)
280 {
281         if (vw->ss)
282                 {
283                 view_slideshow_next(vw);
284                 }
285         else if (vw->list)
286                 {
287                 view_list_step(vw, TRUE);
288                 }
289         else
290                 {
291                 view_collection_step(vw, TRUE);
292                 }
293 }
294
295 static void view_step_prev(ViewWindow *vw)
296 {
297         if (vw->ss)
298                 {
299                 view_slideshow_prev(vw);
300                 }
301         else if (vw->list)
302                 {
303                 view_list_step(vw, FALSE);
304                 }
305         else
306                 {
307                 view_collection_step(vw, FALSE);
308                 }
309 }
310
311 static void view_step_to_end(ViewWindow *vw, gboolean last)
312 {
313         if (vw->list)
314                 {
315                 view_list_step_to_end(vw, last);
316                 }
317         else
318                 {
319                 view_collection_step_to_end(vw, last);
320                 }
321 }
322
323 /*
324  *-----------------------------------------------------------------------------
325  * view window keyboard
326  *-----------------------------------------------------------------------------
327  */
328
329 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
330 {
331         ViewWindow *vw = data;
332         ImageWindow *imd;
333
334         imd = view_window_active_image(vw);
335         gdk_window_get_origin(gtk_widget_get_window(imd->pr), x, y);
336         popup_menu_position_clamp(menu, x, y, 0);
337 }
338
339 static gboolean view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
340 {
341         ViewWindow *vw = data;
342         ImageWindow *imd;
343         gint stop_signal;
344         GtkWidget *menu;
345         gint x = 0;
346         gint y = 0;
347
348         imd = view_window_active_image(vw);
349
350         stop_signal = TRUE;
351         switch (event->keyval)
352                 {
353                 case GDK_KEY_Left: case GDK_KEY_KP_Left:
354                         x -= 1;
355                         break;
356                 case GDK_KEY_Right: case GDK_KEY_KP_Right:
357                         x += 1;
358                         break;
359                 case GDK_KEY_Up: case GDK_KEY_KP_Up:
360                         y -= 1;
361                         break;
362                 case GDK_KEY_Down: case GDK_KEY_KP_Down:
363                         y += 1;
364                         break;
365                 default:
366                         stop_signal = FALSE;
367                         break;
368                 }
369
370         if (x != 0 || y!= 0)
371                 {
372                 if (event->state & GDK_SHIFT_MASK)
373                         {
374                         x *= 3;
375                         y *= 3;
376                         }
377
378                 keyboard_scroll_calc(&x, &y, event);
379                 image_scroll(imd, x, y);
380                 }
381
382         if (stop_signal) return stop_signal;
383
384         if (event->state & GDK_CONTROL_MASK)
385                 {
386                 stop_signal = TRUE;
387                 switch (event->keyval)
388                         {
389                         case '1':
390                         case '2':
391                         case '3':
392                         case '4':
393                         case '5':
394                         case '6':
395                         case '7':
396                         case '8':
397                         case '9':
398                         case '0':
399                                 break;
400                         case 'C': case 'c':
401                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
402                                 break;
403                         case 'M': case 'm':
404                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
405                                 break;
406                         case 'R': case 'r':
407                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
408                                 break;
409                         case 'D': case 'd':
410                                 options->file_ops.safe_delete_enable = TRUE;
411                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
412                                 break;
413                         case 'W': case 'w':
414                                 view_window_close(vw);
415                                 break;
416                         default:
417                                 stop_signal = FALSE;
418                                 break;
419                         }
420                 }
421         else if (event->state & GDK_SHIFT_MASK)
422                 {
423                 stop_signal = TRUE;
424                 switch (event->keyval)
425                         {
426                         case 'R': case 'r':
427                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_180);
428                                 break;
429                         case 'M': case 'm':
430                                 image_alter_orientation(imd, imd->image_fd, ALTER_MIRROR);
431                                 break;
432                         case 'F': case 'f':
433                                 image_alter_orientation(imd, imd->image_fd, ALTER_FLIP);
434                                 break;
435                         case 'G': case 'g':
436                                 image_set_desaturate(imd, !image_get_desaturate(imd));
437                                 break;
438                         case 'P': case 'p':
439                                 {
440                                 FileData *fd;
441
442                                 view_fullscreen_toggle(vw, TRUE);
443                                 imd = view_window_active_image(vw);
444                                 fd = image_get_fd(imd);
445                                 print_window_new(fd,
446                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
447                                                  filelist_copy(vw->list), vw->window);
448                                 }
449                                 break;
450                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
451                                 if (options->file_ops.enable_delete_key)
452                                         {
453                                         options->file_ops.safe_delete_enable = FALSE;
454                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
455                                         }
456                                 break;
457                         default:
458                                 stop_signal = FALSE;
459                                 break;
460                         }
461                 }
462         else
463                 {
464                 stop_signal = TRUE;
465                 switch (event->keyval)
466                         {
467                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
468                         case GDK_KEY_BackSpace:
469                         case 'B': case 'b':
470                                 view_step_prev(vw);
471                                 break;
472                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
473                         case GDK_KEY_space:
474                         case 'N': case 'n':
475                                 view_step_next(vw);
476                                 break;
477                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
478                                 view_step_to_end(vw, FALSE);
479                                 break;
480                         case GDK_KEY_End: case GDK_KEY_KP_End:
481                                 view_step_to_end(vw, TRUE);
482                                 break;
483                         case '+': case '=': case GDK_KEY_KP_Add:
484                                 image_zoom_adjust(imd, get_zoom_increment());
485                                 break;
486                         case '-': case GDK_KEY_KP_Subtract:
487                                 image_zoom_adjust(imd, -get_zoom_increment());
488                                 break;
489                         case 'X': case 'x': case GDK_KEY_KP_Multiply:
490                                 image_zoom_set(imd, 0.0);
491                                 break;
492                         case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
493                                 image_zoom_set(imd, 1.0);
494                                 break;
495                         case '2':
496                                 image_zoom_set(imd, 2.0);
497                                 break;
498                         case '3':
499                                 image_zoom_set(imd, 3.0);
500                                 break;
501                         case '4':
502                                 image_zoom_set(imd, 4.0);
503                                 break;
504                         case '7':
505                                 image_zoom_set(imd, -4.0);
506                                 break;
507                         case '8':
508                                 image_zoom_set(imd, -3.0);
509                                 break;
510                         case '9':
511                                 image_zoom_set(imd, -2.0);
512                                 break;
513                         case 'W': case 'w':
514                                 image_zoom_set_fill_geometry(imd, FALSE);
515                                 break;
516                         case 'H': case 'h':
517                                 image_zoom_set_fill_geometry(imd, TRUE);
518                                 break;
519                         case 'R': case 'r':
520                                 image_reload(imd);
521                                 break;
522                         case 'S': case 's':
523                                 if (vw->ss)
524                                         {
525                                         view_slideshow_stop(vw);
526                                         }
527                                 else
528                                         {
529                                         view_slideshow_start(vw);
530                                         }
531                                 break;
532                         case 'P': case 'p':
533                                 slideshow_pause_toggle(vw->ss);
534                                 break;
535                         case 'F': case 'f':
536                         case 'V': case 'v':
537                         case GDK_KEY_F11:
538                                 view_fullscreen_toggle(vw, FALSE);
539                                 break;
540                         case 'I': case 'i':
541                                 view_overlay_toggle(vw);
542                                 break;
543                         case ']':
544                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90);
545                                 break;
546                         case '[':
547                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90_CC);
548                                 break;
549                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
550                                 if (options->file_ops.enable_delete_key)
551                                         {
552                                         options->file_ops.safe_delete_enable = TRUE;
553                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
554                                         }
555                                 break;
556                         case GDK_KEY_Escape:
557                                 if (vw->fs)
558                                         {
559                                         view_fullscreen_toggle(vw, TRUE);
560                                         }
561                                 else
562                                         {
563                                         view_window_close(vw);
564                                         }
565                                 break;
566                         case GDK_KEY_Menu:
567                         case GDK_KEY_F10:
568                                 menu = view_popup_menu(vw);
569                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
570                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
571                                 break;
572                         default:
573                                 stop_signal = FALSE;
574                                 break;
575                         }
576                 }
577         if (!stop_signal && is_help_key(event))
578                 {
579                 help_window_show("GuideOtherWindowsImageWindow.html");
580                 stop_signal = TRUE;
581                 }
582
583         return stop_signal;
584 }
585
586 /*
587  *-----------------------------------------------------------------------------
588  * view window main routines
589  *-----------------------------------------------------------------------------
590  */
591 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
592 {
593         ViewWindow *vw = data;
594         GtkWidget *menu;
595
596         switch (event->button)
597                 {
598                 case MOUSE_BUTTON_LEFT:
599                         if (options->image_l_click_video && options->image_l_click_video_editor && imd->image_fd->format_class == FORMAT_CLASS_VIDEO)
600                                 {
601                                 start_editor_from_file(options->image_l_click_video_editor, imd->image_fd);
602                                 }
603                         else if (options->image_lm_click_nav)
604                                 view_step_next(vw);
605                         break;
606                 case MOUSE_BUTTON_MIDDLE:
607                         if (options->image_lm_click_nav)
608                                 view_step_prev(vw);
609                         break;
610                 case MOUSE_BUTTON_RIGHT:
611                         menu = view_popup_menu(vw);
612                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
613                         break;
614                 default:
615                         break;
616                 }
617 }
618
619 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
620 {
621         ViewWindow *vw = data;
622
623         if ((event->state & GDK_CONTROL_MASK) ||
624                                 (imd->mouse_wheel_mode && !options->image_lm_click_nav))
625                 {
626                 switch (event->direction)
627                         {
628                         case GDK_SCROLL_UP:
629                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
630                                 break;
631                         case GDK_SCROLL_DOWN:
632                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
633                                 break;
634                         default:
635                                 break;
636                         }
637                 }
638         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
639                 {
640                 switch (event->direction)
641                         {
642                         case GDK_SCROLL_UP:
643                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
644                                 break;
645                         case GDK_SCROLL_DOWN:
646                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
647                                 break;
648                         case GDK_SCROLL_LEFT:
649                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
650                                 break;
651                         case GDK_SCROLL_RIGHT:
652                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
653                                 break;
654                         default:
655                                 break;
656                         }
657                 }
658         else
659                 {
660                 switch (event->direction)
661                         {
662                         case GDK_SCROLL_UP:
663                                 view_step_prev(vw);
664                                 break;
665                         case GDK_SCROLL_DOWN:
666                                 view_step_next(vw);
667                                 break;
668                         default:
669                                 break;
670                         }
671                 }
672 }
673
674 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
675 {
676         image_set_button_func(imd, button_cb, vw);
677         image_set_scroll_func(imd, scroll_cb, vw);
678 }
679
680 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
681 {
682         ViewWindow *vw = data;
683
684         vw->fs = NULL;
685
686         if (vw->ss) vw->ss->imd = vw->imd;
687 }
688
689 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
690 {
691         if (force_off && !vw->fs) return;
692
693         if (vw->fs)
694                 {
695                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
696                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
697
698                 fullscreen_stop(vw->fs);
699                 }
700         else
701                 {
702                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
703
704                 view_image_set_buttons(vw, vw->fs->imd);
705                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
706                                  G_CALLBACK(view_window_key_press_cb), vw);
707
708                 if (vw->ss) vw->ss->imd = vw->fs->imd;
709
710                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
711                         {
712                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
713                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
714                         }
715                 }
716 }
717
718 static void view_overlay_toggle(ViewWindow *vw)
719 {
720         ImageWindow *imd;
721
722         imd = view_window_active_image(vw);
723
724         image_osd_toggle(imd);
725 }
726
727 static void view_slideshow_next(ViewWindow *vw)
728 {
729         if (vw->ss) slideshow_next(vw->ss);
730 }
731
732 static void view_slideshow_prev(ViewWindow *vw)
733 {
734         if (vw->ss) slideshow_prev(vw->ss);
735 }
736
737 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
738 {
739         ViewWindow *vw = data;
740         GList *work;
741         FileData *fd;
742
743         vw->ss = NULL;
744
745         work = vw->list;
746         fd = image_get_fd(view_window_active_image(vw));
747         while (work)
748                 {
749                 FileData *temp;
750
751                 temp = work->data;
752                 if (fd == temp)
753                         {
754                         vw->list_pointer = work;
755                         work = NULL;
756                         }
757                 else
758                         {
759                         work = work->next;
760                         }
761                 }
762 }
763
764 static void view_slideshow_start(ViewWindow *vw)
765 {
766         if (!vw->ss)
767                 {
768                 CollectionData *cd;
769                 CollectInfo *info;
770
771                 if (vw->list)
772                         {
773                         vw->ss = slideshow_start_from_filelist(NULL, view_window_active_image(vw),
774                                                                 filelist_copy(vw->list),
775                                                                 view_slideshow_stop_func, vw);
776                         vw->list_pointer = NULL;
777                         return;
778                         }
779
780                 cd = image_get_collection(view_window_active_image(vw), &info);
781                 if (cd && info)
782                         {
783                         vw->ss = slideshow_start_from_collection(NULL, view_window_active_image(vw), cd,
784                                                                  view_slideshow_stop_func, vw, info);
785                         }
786                 }
787 }
788
789 static void view_slideshow_stop(ViewWindow *vw)
790 {
791         if (vw->ss) slideshow_free(vw->ss);
792 }
793
794 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
795 {
796         ViewWindow *vw = data;
797
798         view_window_list = g_list_remove(view_window_list, vw);
799
800         view_slideshow_stop(vw);
801         fullscreen_stop(vw->fs);
802
803         filelist_free(vw->list);
804
805         file_data_unregister_notify_func(view_window_notify_cb, vw);
806
807         g_free(vw);
808 }
809
810 static void view_window_close(ViewWindow *vw)
811 {
812         view_slideshow_stop(vw);
813         view_fullscreen_toggle(vw, TRUE);
814         gtk_widget_destroy(vw->window);
815 }
816
817 static gboolean view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
818 {
819         ViewWindow *vw = data;
820
821         view_window_close(vw);
822         return TRUE;
823 }
824
825 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
826 {
827         ViewWindow *vw;
828         GtkAllocation req_size;
829         GdkGeometry geometry;
830         gint w, h;
831
832         if (!fd && !list && (!cd || !info)) return NULL;
833
834         vw = g_new0(ViewWindow, 1);
835
836         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
837         DEBUG_NAME(vw->window);
838
839         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
840         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
841         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
842
843         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
844         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
845
846         vw->imd = image_new(FALSE);
847         image_color_profile_set(vw->imd,
848                                 options->color_profile.input_type,
849                                 options->color_profile.use_image);
850         image_color_profile_set_use(vw->imd, options->color_profile.enabled);
851
852         image_background_set_color_from_options(vw->imd, FALSE);
853
854         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
855
856         image_auto_refresh_enable(vw->imd, TRUE);
857         image_top_window_set_sync(vw->imd, TRUE);
858
859         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
860         gtk_widget_show(vw->imd->widget);
861
862         view_window_dnd_init(vw);
863
864         view_image_set_buttons(vw, vw->imd);
865
866         g_signal_connect(G_OBJECT(vw->window), "destroy",
867                          G_CALLBACK(view_window_destroy_cb), vw);
868         g_signal_connect(G_OBJECT(vw->window), "delete_event",
869                          G_CALLBACK(view_window_delete_cb), vw);
870         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
871                          G_CALLBACK(view_window_key_press_cb), vw);
872         if (cd && info)
873                 {
874                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL));
875                 /* Grab the fd so we can correctly size the window in
876                    the call to image_load_dimensions() below. */
877                 fd = info->fd;
878                 if (options->image.enable_read_ahead)
879                         {
880                         CollectInfo * r_info = collection_next_by_info(cd, info);
881                         if (!r_info) r_info = collection_prev_by_info(cd, info);
882                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
883                         }
884                 }
885         else if (list)
886                 {
887                 view_window_set_list(vw, list);
888                 vw->list_pointer = vw->list;
889                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
890                 /* Set fd to first in list */
891                 fd = vw->list->data;
892
893                 if (options->image.enable_read_ahead)
894                         {
895                         GList *work = vw->list->next;
896                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
897                         }
898                 }
899         else
900                 {
901                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
902                 }
903
904         /* Wait until image is loaded otherwise size is not defined */
905         image_load_dimensions(fd, &w, &h);
906
907         if (options->image.limit_window_size)
908                 {
909                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
910                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
911
912                 if (w > mw) w = mw;
913                 if (h > mh) h = mh;
914                 }
915
916         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
917         req_size.x = req_size.y = 0;
918         req_size.width = w;
919         req_size.height = h;
920         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
921
922 #if !GTK_CHECK_VERSION(3,0,0)
923         gtk_widget_set_size_request(vw->imd->pr, w, h);
924 #endif
925
926         gtk_window_set_focus_on_map(GTK_WINDOW(vw->window), FALSE);
927         gtk_widget_show(vw->window);
928
929         view_window_list = g_list_append(view_window_list, vw);
930
931         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
932
933         return vw;
934 }
935
936 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
937 {
938         CollectionData *cd = data;
939
940         collection_unref(cd);
941 }
942
943 void view_window_new(FileData *fd)
944 {
945         GList *list;
946
947         if (fd)
948                 {
949                 if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
950                         {
951                         ViewWindow *vw;
952                         CollectionData *cd;
953                         CollectInfo *info;
954
955                         cd = collection_new(fd->path);
956                         if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
957                                 {
958                                 info = collection_get_first(cd);
959                                 }
960                         else
961                                 {
962                                 collection_unref(cd);
963                                 cd = NULL;
964                                 info = NULL;
965                                 }
966                         vw = real_view_window_new(NULL, NULL, cd, info);
967                         if (vw && cd)
968                                 {
969                                 g_signal_connect(G_OBJECT(vw->window), "destroy",
970                                                  G_CALLBACK(view_window_collection_unref_cb), cd);
971                                 }
972                         }
973                 else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
974                         {
975                         list = filelist_sort_path(list);
976                         list = filelist_filter(list, FALSE);
977                         real_view_window_new(NULL, list, NULL, NULL);
978                         filelist_free(list);
979                         }
980                 else
981                         {
982                         real_view_window_new(fd, NULL, NULL, NULL);
983                         }
984                 }
985 }
986
987 void view_window_new_from_list(GList *list)
988 {
989         real_view_window_new(NULL, list, NULL, NULL);
990 }
991
992 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
993 {
994         real_view_window_new(NULL, NULL, cd, info);
995 }
996
997 /*
998  *-----------------------------------------------------------------------------
999  * public
1000  *-----------------------------------------------------------------------------
1001  */
1002
1003 void view_window_colors_update(void)
1004 {
1005         GList *work;
1006
1007         work = view_window_list;
1008         while (work)
1009                 {
1010                 ViewWindow *vw = work->data;
1011                 work = work->next;
1012
1013                 image_background_set_color_from_options(vw->imd, !!vw->fs);
1014                 }
1015 }
1016
1017 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1018 {
1019         GList *work;
1020
1021         work = view_window_list;
1022         while (work)
1023                 {
1024                 ViewWindow *vw = work->data;
1025                 work = work->next;
1026
1027                 if (vw->imd == imd ||
1028                     (vw->fs && vw->fs->imd == imd))
1029                         {
1030                         if (vw->ss)
1031                                 {
1032                                 gint n;
1033                                 gint t;
1034
1035                                 n = g_list_length(vw->ss->list_done);
1036                                 t = n + g_list_length(vw->ss->list);
1037                                 if (n == 0) n = t;
1038                                 if (index) *index = n - 1;
1039                                 if (total) *total = t;
1040                                 }
1041                         else
1042                                 {
1043                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1044                                 if (total) *total = g_list_length(vw->list);
1045                                 }
1046                         return TRUE;
1047                         }
1048                 }
1049
1050         return FALSE;
1051 }
1052
1053 /*
1054  *-----------------------------------------------------------------------------
1055  * view window menu routines and callbacks
1056  *-----------------------------------------------------------------------------
1057  */
1058
1059 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1060 {
1061         ViewWindow *vw = data;
1062         CollectionData *cd;
1063         CollectInfo *info;
1064
1065         cd = image_get_collection(vw->imd, &info);
1066
1067         if (cd && info)
1068                 {
1069                 view_window_new_from_collection(cd, info);
1070                 }
1071         else
1072                 {
1073                 view_window_new(image_get_fd(vw->imd));
1074                 }
1075 }
1076
1077 static void view_edit_cb(GtkWidget *widget, gpointer data)
1078 {
1079         ViewWindow *vw;
1080         ImageWindow *imd;
1081         const gchar *key = data;
1082
1083         vw = submenu_item_get_data(widget);
1084         if (!vw) return;
1085
1086         if (!editor_window_flag_set(key))
1087                 {
1088                 view_fullscreen_toggle(vw, TRUE);
1089                 }
1090
1091         imd = view_window_active_image(vw);
1092         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1093 }
1094
1095 static void view_alter_cb(GtkWidget *widget, gpointer data)
1096 {
1097         ViewWindow *vw;
1098         AlterType type;
1099
1100         vw = submenu_item_get_data(widget);
1101         type = GPOINTER_TO_INT(data);
1102
1103         if (!vw) return;
1104         image_alter_orientation(vw->imd, vw->imd->image_fd, type);
1105 }
1106
1107 #if !GTK_CHECK_VERSION(3,0,0)
1108 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1109 {
1110         ViewWindow *vw = data;
1111         ImageWindow *imd;
1112
1113         imd = view_window_active_image(vw);
1114         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1115 }
1116 #endif
1117
1118 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1119 {
1120         ViewWindow *vw = data;
1121
1122         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1123 }
1124
1125 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1126 {
1127         ViewWindow *vw = data;
1128
1129         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1130 }
1131
1132 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1133 {
1134         ViewWindow *vw = data;
1135
1136         image_zoom_set(view_window_active_image(vw), 1.0);
1137 }
1138
1139 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1140 {
1141         ViewWindow *vw = data;
1142
1143         image_zoom_set(view_window_active_image(vw), 0.0);
1144 }
1145
1146 static void view_copy_cb(GtkWidget *widget, gpointer data)
1147 {
1148         ViewWindow *vw = data;
1149         ImageWindow *imd;
1150
1151         imd = view_window_active_image(vw);
1152         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1153 }
1154
1155 static void view_move_cb(GtkWidget *widget, gpointer data)
1156 {
1157         ViewWindow *vw = data;
1158         ImageWindow *imd;
1159
1160         imd = view_window_active_image(vw);
1161         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1162 }
1163
1164 static void view_rename_cb(GtkWidget *widget, gpointer data)
1165 {
1166         ViewWindow *vw = data;
1167         ImageWindow *imd;
1168
1169         imd = view_window_active_image(vw);
1170         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1171 }
1172
1173 static void view_delete_cb(GtkWidget *widget, gpointer data)
1174 {
1175         ViewWindow *vw = data;
1176         ImageWindow *imd;
1177
1178         imd = view_window_active_image(vw);
1179         options->file_ops.safe_delete_enable = FALSE;
1180         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1181 }
1182
1183 static void view_move_to_trash_cb(GtkWidget *widget, gpointer data)
1184 {
1185         ViewWindow *vw = data;
1186         ImageWindow *imd;
1187
1188         imd = view_window_active_image(vw);
1189         options->file_ops.safe_delete_enable = TRUE;
1190         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1191 }
1192
1193 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1194 {
1195         ViewWindow *vw = data;
1196         ImageWindow *imd;
1197
1198         imd = view_window_active_image(vw);
1199         file_util_copy_path_to_clipboard(image_get_fd(imd), TRUE);
1200 }
1201
1202 static void view_copy_path_unquoted_cb(GtkWidget *widget, gpointer data)
1203 {
1204         ViewWindow *vw = data;
1205         ImageWindow *imd;
1206
1207         imd = view_window_active_image(vw);
1208         file_util_copy_path_to_clipboard(image_get_fd(imd), FALSE);
1209 }
1210
1211 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1212 {
1213         ViewWindow *vw = data;
1214
1215         view_fullscreen_toggle(vw, FALSE);
1216 }
1217
1218 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1219 {
1220         ViewWindow *vw = data;
1221
1222         view_slideshow_start(vw);
1223 }
1224
1225 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1226 {
1227         ViewWindow *vw = data;
1228
1229         view_slideshow_stop(vw);
1230 }
1231
1232 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1233 {
1234         ViewWindow *vw = data;
1235
1236         slideshow_pause_toggle(vw->ss);
1237 }
1238
1239 static void view_close_cb(GtkWidget *widget, gpointer data)
1240 {
1241         ViewWindow *vw = data;
1242
1243         view_window_close(vw);
1244 }
1245
1246 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1247 {
1248         LayoutWindow *nw;
1249
1250         nw = layout_new(NULL, NULL);
1251         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1252         layout_set_fd(nw, fd);
1253         return nw;
1254 }
1255
1256
1257 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1258 {
1259         ViewWindow *vw = data;
1260         LayoutWindow *lw;
1261         ImageWindow *imd;
1262
1263         imd = view_window_active_image(vw);
1264
1265         if (!imd || !imd->image_fd) return;
1266
1267         lw = layout_find_by_image_fd(imd);
1268         if (lw)
1269                 layout_set_fd(lw, imd->image_fd);
1270         else
1271                 view_new_layout_with_fd(imd->image_fd);
1272         view_window_close(vw);
1273 }
1274
1275 static void view_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
1276 {
1277         GList *editmenu_fd_list = data;
1278
1279         filelist_free(editmenu_fd_list);
1280 }
1281
1282 static GList *view_window_get_fd_list(ViewWindow *vw)
1283 {
1284         GList *list = NULL;
1285         ImageWindow *imd = view_window_active_image(vw);
1286
1287         if (imd)
1288                 {
1289                 FileData *fd = image_get_fd(imd);
1290                 if (fd) list = g_list_append(NULL, file_data_ref(fd));
1291                 }
1292
1293         return list;
1294 }
1295
1296 /**
1297  * @brief Add file selection list to a collection
1298  * @param[in] widget 
1299  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
1300  * 
1301  * 
1302  */
1303 static void image_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
1304 {
1305         ViewWindow *vw;
1306         ImageWindow *imd;
1307         FileData *fd;
1308         GList *selection_list = NULL;
1309
1310         vw = submenu_item_get_data(widget);
1311         imd = view_window_active_image(vw);
1312         fd = image_get_fd(imd);
1313         selection_list = g_list_append(selection_list, fd);
1314         pop_menu_collections(selection_list, data);
1315
1316         filelist_free(selection_list);
1317 }
1318
1319 static GtkWidget *view_popup_menu(ViewWindow *vw)
1320 {
1321         GtkWidget *menu;
1322         GtkWidget *item;
1323         GList *editmenu_fd_list;
1324
1325         menu = popup_menu_short_lived();
1326
1327
1328         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1329         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1330         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1331         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1332         menu_item_add_divider(menu);
1333
1334         editmenu_fd_list = view_window_get_fd_list(vw);
1335         g_signal_connect(G_OBJECT(menu), "destroy",
1336                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1337         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1338         menu_item_add_divider(item);
1339 #if !GTK_CHECK_VERSION(3,0,0)
1340         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1341 #endif
1342         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1343
1344         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1345         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1346
1347         menu_item_add_divider(menu);
1348         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1349         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1350         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1351         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1352         menu_item_add(menu, _("_Copy path unquoted"), G_CALLBACK(view_copy_path_unquoted_cb), vw);
1353
1354         menu_item_add_divider(menu);
1355         menu_item_add_stock(menu,
1356                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
1357                                         _("Move to Trash"), PIXBUF_INLINE_ICON_TRASH,
1358                                 G_CALLBACK(view_move_to_trash_cb), vw);
1359         menu_item_add_stock(menu,
1360                                 options->file_ops.confirm_delete ? _("_Delete...") :
1361                                         _("_Delete"), GTK_STOCK_DELETE,
1362                                 G_CALLBACK(view_delete_cb), vw);
1363
1364         menu_item_add_divider(menu);
1365
1366         submenu_add_collections(menu, &item,
1367                                 G_CALLBACK(image_pop_menu_collections_cb), vw);
1368         gtk_widget_set_sensitive(item, TRUE);
1369         menu_item_add_divider(menu);
1370
1371         if (vw->ss)
1372                 {
1373                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1374                 if (slideshow_paused(vw->ss))
1375                         {
1376                         item = menu_item_add(menu, _("Continue slides_how"),
1377                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1378                         }
1379                 else
1380                         {
1381                         item = menu_item_add(menu, _("Pause slides_how"),
1382                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1383                         }
1384                 }
1385         else
1386                 {
1387                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1388                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1389                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1390                 gtk_widget_set_sensitive(item, FALSE);
1391                 }
1392
1393         if (vw->fs)
1394                 {
1395                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1396                 }
1397         else
1398                 {
1399                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1400                 }
1401
1402         menu_item_add_divider(menu);
1403         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1404
1405         return menu;
1406 }
1407
1408 /*
1409  *-------------------------------------------------------------------
1410  * dnd confirm dir
1411  *-------------------------------------------------------------------
1412  */
1413
1414 typedef struct {
1415         ViewWindow *vw;
1416         GList *list;
1417 } CViewConfirmD;
1418
1419 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1420 {
1421         /* do nothing */
1422 }
1423
1424 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1425 {
1426         GList *work;
1427
1428         view_window_set_list(vw, NULL);
1429
1430         work = list;
1431         while (work)
1432                 {
1433                 FileData *fd = work->data;
1434                 work = work->next;
1435
1436                 if (isdir(fd->path))
1437                         {
1438                         if (!skip)
1439                                 {
1440                                 GList *list = NULL;
1441
1442                                 if (recurse)
1443                                         {
1444                                         list = filelist_recursive(fd);
1445                                         }
1446                                 else
1447                                         { /** @FIXME ?? */
1448                                         filelist_read(fd, &list, NULL);
1449                                         list = filelist_sort_path(list);
1450                                         list = filelist_filter(list, FALSE);
1451                                         }
1452                                 if (list) vw->list = g_list_concat(vw->list, list);
1453                                 }
1454                         }
1455                 else
1456                         {
1457                         /** @FIXME no filtering here */
1458                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1459                         }
1460                 }
1461
1462         if (vw->list)
1463                 {
1464                 FileData *fd;
1465
1466                 vw->list_pointer = vw->list;
1467                 fd = vw->list->data;
1468                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1469
1470                 work = vw->list->next;
1471                 if (options->image.enable_read_ahead && work)
1472                         {
1473                         fd = work->data;
1474                         image_prebuffer_set(vw->imd, fd);
1475                         }
1476                 }
1477         else
1478                 {
1479                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1480                 }
1481 }
1482
1483 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1484 {
1485         CViewConfirmD *d = data;
1486         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1487 }
1488
1489 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1490 {
1491         CViewConfirmD *d = data;
1492         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1493 }
1494
1495 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1496 {
1497         CViewConfirmD *d = data;
1498         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1499 }
1500
1501 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1502 {
1503         CViewConfirmD *d = data;
1504         filelist_free(d->list);
1505         g_free(d);
1506 }
1507
1508 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1509 {
1510         GtkWidget *menu;
1511         CViewConfirmD *d;
1512
1513         d = g_new(CViewConfirmD, 1);
1514         d->vw = vw;
1515         d->list = list;
1516
1517         menu = popup_menu_short_lived();
1518         g_signal_connect(G_OBJECT(menu), "destroy",
1519                          G_CALLBACK(view_dir_list_destroy), d);
1520
1521         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1522         menu_item_add_divider(menu);
1523         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1524         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1525         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1526         menu_item_add_divider(menu);
1527         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1528
1529         return menu;
1530 }
1531
1532 /*
1533  *-----------------------------------------------------------------------------
1534  * image drag and drop routines
1535  *-----------------------------------------------------------------------------
1536  */
1537
1538 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1539                                      gint x, gint y,
1540                                      GtkSelectionData *selection_data, guint info,
1541                                      guint time, gpointer data)
1542 {
1543         ViewWindow *vw = data;
1544         ImageWindow *imd;
1545
1546         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1547
1548         imd = vw->imd;
1549
1550         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1551                 {
1552                 CollectionData *source;
1553                 GList *list;
1554                 GList *info_list;
1555
1556                 if (info == TARGET_URI_LIST)
1557                         {
1558                         GList *work;
1559
1560                         list = uri_filelist_from_gtk_selection_data(selection_data);
1561
1562                         work = list;
1563                         while (work)
1564                                 {
1565                                 FileData *fd = work->data;
1566                                 if (isdir(fd->path))
1567                                         {
1568                                         GtkWidget *menu;
1569                                         menu = view_confirm_dir_list(vw, list);
1570                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1571                                         return;
1572                                         }
1573                                 work = work->next;
1574                                 }
1575
1576                         list = filelist_filter(list, FALSE);
1577
1578                         source = NULL;
1579                         info_list = NULL;
1580                         }
1581                 else
1582                         {
1583                         source = collection_from_dnd_data((gchar *)gtk_selection_data_get_data(selection_data), &list, &info_list);
1584                         }
1585
1586                 if (list)
1587                         {
1588                         FileData *fd;
1589
1590                         fd = list->data;
1591                         if (isfile(fd->path))
1592                                 {
1593                                 view_slideshow_stop(vw);
1594                                 view_window_set_list(vw, NULL);
1595
1596                                 if (source && info_list)
1597                                         {
1598                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1599                                         }
1600                                 else
1601                                         {
1602                                         if (list->next)
1603                                                 {
1604                                                 vw->list = list;
1605                                                 list = NULL;
1606
1607                                                 vw->list_pointer = vw->list;
1608                                                 }
1609                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1610                                         }
1611                                 }
1612                         }
1613                 filelist_free(list);
1614                 g_list_free(info_list);
1615                 }
1616 }
1617
1618 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1619                                      GtkSelectionData *selection_data, guint info,
1620                                      guint time, gpointer data)
1621 {
1622         ViewWindow *vw = data;
1623         FileData *fd;
1624
1625         fd = image_get_fd(vw->imd);
1626
1627         if (fd)
1628                 {
1629                 GList *list;
1630
1631                 list = g_list_append(NULL, fd);
1632                 uri_selection_data_set_uris_from_filelist(selection_data, list);
1633                 g_list_free(list);
1634                 }
1635         else
1636                 {
1637                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
1638                                        8, NULL, 0);
1639                 }
1640 }
1641
1642 static void view_window_dnd_init(ViewWindow *vw)
1643 {
1644         ImageWindow *imd;
1645
1646         imd = vw->imd;
1647
1648         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1649                             dnd_file_drag_types, dnd_file_drag_types_count,
1650                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1651         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1652                          G_CALLBACK(view_window_set_dnd_data), vw);
1653
1654         gtk_drag_dest_set(imd->pr,
1655                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1656                           dnd_file_drop_types, dnd_file_drop_types_count,
1657                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1658         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1659                          G_CALLBACK(view_window_get_dnd_data), vw);
1660 }
1661
1662 /*
1663  *-----------------------------------------------------------------------------
1664  * maintenance (for rename, move, remove)
1665  *-----------------------------------------------------------------------------
1666  */
1667
1668 static void view_real_removed(ViewWindow *vw, FileData *fd)
1669 {
1670         ImageWindow *imd;
1671         FileData *image_fd;
1672
1673         imd = view_window_active_image(vw);
1674         image_fd = image_get_fd(imd);
1675
1676         if (image_fd && image_fd == fd)
1677                 {
1678                 if (vw->list)
1679                         {
1680                         view_list_step(vw, TRUE);
1681                         if (image_get_fd(imd) == image_fd)
1682                                 {
1683                                 view_list_step(vw, FALSE);
1684                                 }
1685                         }
1686                 else if (view_window_contains_collection(vw))
1687                         {
1688                         view_collection_step(vw, TRUE);
1689                         if (image_get_fd(imd) == image_fd)
1690                                 {
1691                                 view_collection_step(vw, FALSE);
1692                                 }
1693                         }
1694                 if (image_get_fd(imd) == image_fd)
1695                         {
1696                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1697                         }
1698                 }
1699
1700         if (vw->list)
1701                 {
1702                 GList *work;
1703                 GList *old;
1704
1705                 old = vw->list_pointer;
1706
1707                 work = vw->list;
1708                 while (work)
1709                         {
1710                         FileData *chk_fd;
1711                         GList *chk_link;
1712
1713                         chk_fd = work->data;
1714                         chk_link = work;
1715                         work = work->next;
1716
1717                         if (chk_fd == fd)
1718                                 {
1719                                 if (vw->list_pointer == chk_link)
1720                                         {
1721                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1722                                         }
1723                                 vw->list = g_list_remove(vw->list, chk_fd);
1724                                 file_data_unref(chk_fd);
1725                                 }
1726                         }
1727
1728                 /* handles stepping correctly when same image is in the list more than once */
1729                 if (old && old != vw->list_pointer)
1730                         {
1731                         FileData *fd;
1732
1733                         if (vw->list_pointer)
1734                                 {
1735                                 fd = vw->list_pointer->data;
1736                                 }
1737                         else
1738                                 {
1739                                 fd = NULL;
1740                                 }
1741
1742                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1743                         }
1744                 }
1745
1746         image_osd_update(imd);
1747 }
1748
1749 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1750 {
1751         ViewWindow *vw = data;
1752
1753         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1754
1755         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1756
1757         switch (fd->change->type)
1758                 {
1759                 case FILEDATA_CHANGE_MOVE:
1760                 case FILEDATA_CHANGE_RENAME:
1761                         break;
1762                 case FILEDATA_CHANGE_COPY:
1763                         break;
1764                 case FILEDATA_CHANGE_DELETE:
1765                         view_real_removed(vw, fd);
1766                         break;
1767                 case FILEDATA_CHANGE_UNSPECIFIED:
1768                 case FILEDATA_CHANGE_WRITE_METADATA:
1769                         break;
1770                 }
1771 }
1772 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */