75486f441e9e66bce4d0ffd9a799c9899ededaf8
[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                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
411                                 break;
412                         case 'W': case 'w':
413                                 view_window_close(vw);
414                                 break;
415                         default:
416                                 stop_signal = FALSE;
417                                 break;
418                         }
419                 }
420         else if (event->state & GDK_SHIFT_MASK)
421                 {
422                 stop_signal = TRUE;
423                 switch (event->keyval)
424                         {
425                         case 'R': case 'r':
426                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_180);
427                                 break;
428                         case 'M': case 'm':
429                                 image_alter_orientation(imd, imd->image_fd, ALTER_MIRROR);
430                                 break;
431                         case 'F': case 'f':
432                                 image_alter_orientation(imd, imd->image_fd, ALTER_FLIP);
433                                 break;
434                         case 'G': case 'g':
435                                 image_set_desaturate(imd, !image_get_desaturate(imd));
436                                 break;
437                         case 'P': case 'p':
438                                 {
439                                 FileData *fd;
440
441                                 view_fullscreen_toggle(vw, TRUE);
442                                 imd = view_window_active_image(vw);
443                                 fd = image_get_fd(imd);
444                                 print_window_new(fd,
445                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
446                                                  filelist_copy(vw->list), vw->window);
447                                 }
448                                 break;
449                         default:
450                                 stop_signal = FALSE;
451                                 break;
452                         }
453                 }
454         else
455                 {
456                 stop_signal = TRUE;
457                 switch (event->keyval)
458                         {
459                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
460                         case GDK_KEY_BackSpace:
461                         case 'B': case 'b':
462                                 view_step_prev(vw);
463                                 break;
464                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
465                         case GDK_KEY_space:
466                         case 'N': case 'n':
467                                 view_step_next(vw);
468                                 break;
469                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
470                                 view_step_to_end(vw, FALSE);
471                                 break;
472                         case GDK_KEY_End: case GDK_KEY_KP_End:
473                                 view_step_to_end(vw, TRUE);
474                                 break;
475                         case '+': case '=': case GDK_KEY_KP_Add:
476                                 image_zoom_adjust(imd, get_zoom_increment());
477                                 break;
478                         case '-': case GDK_KEY_KP_Subtract:
479                                 image_zoom_adjust(imd, -get_zoom_increment());
480                                 break;
481                         case 'X': case 'x': case GDK_KEY_KP_Multiply:
482                                 image_zoom_set(imd, 0.0);
483                                 break;
484                         case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
485                                 image_zoom_set(imd, 1.0);
486                                 break;
487                         case '2':
488                                 image_zoom_set(imd, 2.0);
489                                 break;
490                         case '3':
491                                 image_zoom_set(imd, 3.0);
492                                 break;
493                         case '4':
494                                 image_zoom_set(imd, 4.0);
495                                 break;
496                         case '7':
497                                 image_zoom_set(imd, -4.0);
498                                 break;
499                         case '8':
500                                 image_zoom_set(imd, -3.0);
501                                 break;
502                         case '9':
503                                 image_zoom_set(imd, -2.0);
504                                 break;
505                         case 'W': case 'w':
506                                 image_zoom_set_fill_geometry(imd, FALSE);
507                                 break;
508                         case 'H': case 'h':
509                                 image_zoom_set_fill_geometry(imd, TRUE);
510                                 break;
511                         case 'R': case 'r':
512                                 image_reload(imd);
513                                 break;
514                         case 'S': case 's':
515                                 if (vw->ss)
516                                         {
517                                         view_slideshow_stop(vw);
518                                         }
519                                 else
520                                         {
521                                         view_slideshow_start(vw);
522                                         }
523                                 break;
524                         case 'P': case 'p':
525                                 slideshow_pause_toggle(vw->ss);
526                                 break;
527                         case 'F': case 'f':
528                         case 'V': case 'v':
529                         case GDK_KEY_F11:
530                                 view_fullscreen_toggle(vw, FALSE);
531                                 break;
532                         case 'I': case 'i':
533                                 view_overlay_toggle(vw);
534                                 break;
535                         case ']':
536                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90);
537                                 break;
538                         case '[':
539                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90_CC);
540                                 break;
541                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
542                                 if (options->file_ops.enable_delete_key)
543                                         {
544                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
545                                         }
546                                 break;
547                         case GDK_KEY_Escape:
548                                 if (vw->fs)
549                                         {
550                                         view_fullscreen_toggle(vw, TRUE);
551                                         }
552                                 else
553                                         {
554                                         view_window_close(vw);
555                                         }
556                                 break;
557                         case GDK_KEY_Menu:
558                         case GDK_KEY_F10:
559                                 menu = view_popup_menu(vw);
560                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
561                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
562                                 break;
563                         default:
564                                 stop_signal = FALSE;
565                                 break;
566                         }
567                 }
568         if (!stop_signal && is_help_key(event))
569                 {
570                 help_window_show("GuideOtherWindowsImageWindow.html");
571                 stop_signal = TRUE;
572                 }
573
574         return stop_signal;
575 }
576
577 /*
578  *-----------------------------------------------------------------------------
579  * view window main routines
580  *-----------------------------------------------------------------------------
581  */
582 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
583 {
584         ViewWindow *vw = data;
585         GtkWidget *menu;
586
587         switch (event->button)
588                 {
589                 case MOUSE_BUTTON_LEFT:
590                         if (options->image_l_click_video && options->image_l_click_video_editor && imd->image_fd->format_class == FORMAT_CLASS_VIDEO)
591                                 {
592                                 start_editor_from_file(options->image_l_click_video_editor, imd->image_fd);
593                                 }
594                         else if (options->image_lm_click_nav)
595                                 view_step_next(vw);
596                         break;
597                 case MOUSE_BUTTON_MIDDLE:
598                         if (options->image_lm_click_nav)
599                                 view_step_prev(vw);
600                         break;
601                 case MOUSE_BUTTON_RIGHT:
602                         menu = view_popup_menu(vw);
603                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
604                         break;
605                 default:
606                         break;
607                 }
608 }
609
610 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
611 {
612         ViewWindow *vw = data;
613
614         if ((event->state & GDK_CONTROL_MASK) ||
615                                 (imd->mouse_wheel_mode && !options->image_lm_click_nav))
616                 {
617                 switch (event->direction)
618                         {
619                         case GDK_SCROLL_UP:
620                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
621                                 break;
622                         case GDK_SCROLL_DOWN:
623                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
624                                 break;
625                         default:
626                                 break;
627                         }
628                 }
629         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
630                 {
631                 switch (event->direction)
632                         {
633                         case GDK_SCROLL_UP:
634                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
635                                 break;
636                         case GDK_SCROLL_DOWN:
637                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
638                                 break;
639                         case GDK_SCROLL_LEFT:
640                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
641                                 break;
642                         case GDK_SCROLL_RIGHT:
643                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
644                                 break;
645                         default:
646                                 break;
647                         }
648                 }
649         else
650                 {
651                 switch (event->direction)
652                         {
653                         case GDK_SCROLL_UP:
654                                 view_step_prev(vw);
655                                 break;
656                         case GDK_SCROLL_DOWN:
657                                 view_step_next(vw);
658                                 break;
659                         default:
660                                 break;
661                         }
662                 }
663 }
664
665 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
666 {
667         image_set_button_func(imd, button_cb, vw);
668         image_set_scroll_func(imd, scroll_cb, vw);
669 }
670
671 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
672 {
673         ViewWindow *vw = data;
674
675         vw->fs = NULL;
676
677         if (vw->ss) vw->ss->imd = vw->imd;
678 }
679
680 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
681 {
682         if (force_off && !vw->fs) return;
683
684         if (vw->fs)
685                 {
686                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
687                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
688
689                 fullscreen_stop(vw->fs);
690                 }
691         else
692                 {
693                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
694
695                 view_image_set_buttons(vw, vw->fs->imd);
696                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
697                                  G_CALLBACK(view_window_key_press_cb), vw);
698
699                 if (vw->ss) vw->ss->imd = vw->fs->imd;
700
701                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
702                         {
703                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
704                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
705                         }
706                 }
707 }
708
709 static void view_overlay_toggle(ViewWindow *vw)
710 {
711         ImageWindow *imd;
712
713         imd = view_window_active_image(vw);
714
715         image_osd_toggle(imd);
716 }
717
718 static void view_slideshow_next(ViewWindow *vw)
719 {
720         if (vw->ss) slideshow_next(vw->ss);
721 }
722
723 static void view_slideshow_prev(ViewWindow *vw)
724 {
725         if (vw->ss) slideshow_prev(vw->ss);
726 }
727
728 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
729 {
730         ViewWindow *vw = data;
731         GList *work;
732         FileData *fd;
733
734         vw->ss = NULL;
735
736         work = vw->list;
737         fd = image_get_fd(view_window_active_image(vw));
738         while (work)
739                 {
740                 FileData *temp;
741
742                 temp = work->data;
743                 if (fd == temp)
744                         {
745                         vw->list_pointer = work;
746                         work = NULL;
747                         }
748                 else
749                         {
750                         work = work->next;
751                         }
752                 }
753 }
754
755 static void view_slideshow_start(ViewWindow *vw)
756 {
757         if (!vw->ss)
758                 {
759                 CollectionData *cd;
760                 CollectInfo *info;
761
762                 if (vw->list)
763                         {
764                         vw->ss = slideshow_start_from_filelist(NULL, view_window_active_image(vw),
765                                                                 filelist_copy(vw->list),
766                                                                 view_slideshow_stop_func, vw);
767                         vw->list_pointer = NULL;
768                         return;
769                         }
770
771                 cd = image_get_collection(view_window_active_image(vw), &info);
772                 if (cd && info)
773                         {
774                         vw->ss = slideshow_start_from_collection(NULL, view_window_active_image(vw), cd,
775                                                                  view_slideshow_stop_func, vw, info);
776                         }
777                 }
778 }
779
780 static void view_slideshow_stop(ViewWindow *vw)
781 {
782         if (vw->ss) slideshow_free(vw->ss);
783 }
784
785 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
786 {
787         ViewWindow *vw = data;
788
789         view_window_list = g_list_remove(view_window_list, vw);
790
791         view_slideshow_stop(vw);
792         fullscreen_stop(vw->fs);
793
794         filelist_free(vw->list);
795
796         file_data_unregister_notify_func(view_window_notify_cb, vw);
797
798         g_free(vw);
799 }
800
801 static void view_window_close(ViewWindow *vw)
802 {
803         view_slideshow_stop(vw);
804         view_fullscreen_toggle(vw, TRUE);
805         gtk_widget_destroy(vw->window);
806 }
807
808 static gboolean view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
809 {
810         ViewWindow *vw = data;
811
812         view_window_close(vw);
813         return TRUE;
814 }
815
816 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
817 {
818         ViewWindow *vw;
819         GtkAllocation req_size;
820         GdkGeometry geometry;
821         gint w, h;
822
823         if (!fd && !list && (!cd || !info)) return NULL;
824
825         vw = g_new0(ViewWindow, 1);
826
827         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
828
829         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
830         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
831         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
832
833         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
834         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
835
836         vw->imd = image_new(FALSE);
837         image_color_profile_set(vw->imd,
838                                 options->color_profile.input_type,
839                                 options->color_profile.use_image);
840         image_color_profile_set_use(vw->imd, options->color_profile.enabled);
841
842         image_background_set_color_from_options(vw->imd, FALSE);
843
844         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
845
846         image_auto_refresh_enable(vw->imd, TRUE);
847         image_top_window_set_sync(vw->imd, TRUE);
848
849         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
850         gtk_widget_show(vw->imd->widget);
851
852         view_window_dnd_init(vw);
853
854         view_image_set_buttons(vw, vw->imd);
855
856         g_signal_connect(G_OBJECT(vw->window), "destroy",
857                          G_CALLBACK(view_window_destroy_cb), vw);
858         g_signal_connect(G_OBJECT(vw->window), "delete_event",
859                          G_CALLBACK(view_window_delete_cb), vw);
860         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
861                          G_CALLBACK(view_window_key_press_cb), vw);
862         if (cd && info)
863                 {
864                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL));
865                 if (options->image.enable_read_ahead)
866                         {
867                         CollectInfo * r_info = collection_next_by_info(cd, info);
868                         if (!r_info) r_info = collection_prev_by_info(cd, info);
869                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
870                         }
871                 }
872         else if (list)
873                 {
874                 view_window_set_list(vw, list);
875                 vw->list_pointer = vw->list;
876                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
877
878                 if (options->image.enable_read_ahead)
879                         {
880                         GList *work = vw->list->next;
881                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
882                         }
883                 }
884         else
885                 {
886                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
887                 }
888
889         /* Wait until image is loaded otherwise size is not defined */
890         image_load_dimensions(fd, &w, &h);
891
892         if (options->image.limit_window_size)
893                 {
894                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
895                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
896
897                 if (w > mw) w = mw;
898                 if (h > mh) h = mh;
899                 }
900
901         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
902         req_size.x = req_size.y = 0;
903         req_size.width = w;
904         req_size.height = h;
905         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
906
907 #if !GTK_CHECK_VERSION(3,0,0)
908         gtk_widget_set_size_request(vw->imd->pr, w, h);
909 #endif
910
911         gtk_widget_show(vw->window);
912
913         view_window_list = g_list_append(view_window_list, vw);
914
915         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
916
917         return vw;
918 }
919
920 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
921 {
922         CollectionData *cd = data;
923
924         collection_unref(cd);
925 }
926
927 void view_window_new(FileData *fd)
928 {
929         GList *list;
930
931         if (fd)
932                 {
933                 if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
934                         {
935                         ViewWindow *vw;
936                         CollectionData *cd;
937                         CollectInfo *info;
938
939                         cd = collection_new(fd->path);
940                         if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
941                                 {
942                                 info = collection_get_first(cd);
943                                 }
944                         else
945                                 {
946                                 collection_unref(cd);
947                                 cd = NULL;
948                                 info = NULL;
949                                 }
950                         vw = real_view_window_new(NULL, NULL, cd, info);
951                         if (vw && cd)
952                                 {
953                                 g_signal_connect(G_OBJECT(vw->window), "destroy",
954                                                  G_CALLBACK(view_window_collection_unref_cb), cd);
955                                 }
956                         }
957                 else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
958                         {
959                         list = filelist_sort_path(list);
960                         list = filelist_filter(list, FALSE);
961                         real_view_window_new(NULL, list, NULL, NULL);
962                         filelist_free(list);
963                         }
964                 else
965                         {
966                         real_view_window_new(fd, NULL, NULL, NULL);
967                         }
968                 }
969 }
970
971 void view_window_new_from_list(GList *list)
972 {
973         real_view_window_new(NULL, list, NULL, NULL);
974 }
975
976 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
977 {
978         real_view_window_new(NULL, NULL, cd, info);
979 }
980
981 /*
982  *-----------------------------------------------------------------------------
983  * public
984  *-----------------------------------------------------------------------------
985  */
986
987 void view_window_colors_update(void)
988 {
989         GList *work;
990
991         work = view_window_list;
992         while (work)
993                 {
994                 ViewWindow *vw = work->data;
995                 work = work->next;
996
997                 image_background_set_color_from_options(vw->imd, !!vw->fs);
998                 }
999 }
1000
1001 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1002 {
1003         GList *work;
1004
1005         work = view_window_list;
1006         while (work)
1007                 {
1008                 ViewWindow *vw = work->data;
1009                 work = work->next;
1010
1011                 if (vw->imd == imd ||
1012                     (vw->fs && vw->fs->imd == imd))
1013                         {
1014                         if (vw->ss)
1015                                 {
1016                                 gint n;
1017                                 gint t;
1018
1019                                 n = g_list_length(vw->ss->list_done);
1020                                 t = n + g_list_length(vw->ss->list);
1021                                 if (n == 0) n = t;
1022                                 if (index) *index = n - 1;
1023                                 if (total) *total = t;
1024                                 }
1025                         else
1026                                 {
1027                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1028                                 if (total) *total = g_list_length(vw->list);
1029                                 }
1030                         return TRUE;
1031                         }
1032                 }
1033
1034         return FALSE;
1035 }
1036
1037 /*
1038  *-----------------------------------------------------------------------------
1039  * view window menu routines and callbacks
1040  *-----------------------------------------------------------------------------
1041  */
1042
1043 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1044 {
1045         ViewWindow *vw = data;
1046         CollectionData *cd;
1047         CollectInfo *info;
1048
1049         cd = image_get_collection(vw->imd, &info);
1050
1051         if (cd && info)
1052                 {
1053                 view_window_new_from_collection(cd, info);
1054                 }
1055         else
1056                 {
1057                 view_window_new(image_get_fd(vw->imd));
1058                 }
1059 }
1060
1061 static void view_edit_cb(GtkWidget *widget, gpointer data)
1062 {
1063         ViewWindow *vw;
1064         ImageWindow *imd;
1065         const gchar *key = data;
1066
1067         vw = submenu_item_get_data(widget);
1068         if (!vw) return;
1069
1070         if (!editor_window_flag_set(key))
1071                 {
1072                 view_fullscreen_toggle(vw, TRUE);
1073                 }
1074
1075         imd = view_window_active_image(vw);
1076         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1077 }
1078
1079 static void view_alter_cb(GtkWidget *widget, gpointer data)
1080 {
1081         ViewWindow *vw;
1082         AlterType type;
1083
1084         vw = submenu_item_get_data(widget);
1085         type = GPOINTER_TO_INT(data);
1086
1087         if (!vw) return;
1088         image_alter_orientation(vw->imd, vw->imd->image_fd, type);
1089 }
1090
1091 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1092 {
1093         ViewWindow *vw = data;
1094         ImageWindow *imd;
1095
1096         imd = view_window_active_image(vw);
1097         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1098 }
1099
1100 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1101 {
1102         ViewWindow *vw = data;
1103
1104         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1105 }
1106
1107 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1108 {
1109         ViewWindow *vw = data;
1110
1111         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1112 }
1113
1114 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1115 {
1116         ViewWindow *vw = data;
1117
1118         image_zoom_set(view_window_active_image(vw), 1.0);
1119 }
1120
1121 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1122 {
1123         ViewWindow *vw = data;
1124
1125         image_zoom_set(view_window_active_image(vw), 0.0);
1126 }
1127
1128 static void view_copy_cb(GtkWidget *widget, gpointer data)
1129 {
1130         ViewWindow *vw = data;
1131         ImageWindow *imd;
1132
1133         imd = view_window_active_image(vw);
1134         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1135 }
1136
1137 static void view_move_cb(GtkWidget *widget, gpointer data)
1138 {
1139         ViewWindow *vw = data;
1140         ImageWindow *imd;
1141
1142         imd = view_window_active_image(vw);
1143         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1144 }
1145
1146 static void view_rename_cb(GtkWidget *widget, gpointer data)
1147 {
1148         ViewWindow *vw = data;
1149         ImageWindow *imd;
1150
1151         imd = view_window_active_image(vw);
1152         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1153 }
1154
1155 static void view_delete_cb(GtkWidget *widget, gpointer data)
1156 {
1157         ViewWindow *vw = data;
1158         ImageWindow *imd;
1159
1160         imd = view_window_active_image(vw);
1161         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1162 }
1163
1164 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1165 {
1166         ViewWindow *vw = data;
1167         ImageWindow *imd;
1168
1169         imd = view_window_active_image(vw);
1170         file_util_copy_path_to_clipboard(image_get_fd(imd), TRUE);
1171 }
1172
1173 static void view_copy_path_unquoted_cb(GtkWidget *widget, gpointer data)
1174 {
1175         ViewWindow *vw = data;
1176         ImageWindow *imd;
1177
1178         imd = view_window_active_image(vw);
1179         file_util_copy_path_to_clipboard(image_get_fd(imd), FALSE);
1180 }
1181
1182 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1183 {
1184         ViewWindow *vw = data;
1185
1186         view_fullscreen_toggle(vw, FALSE);
1187 }
1188
1189 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1190 {
1191         ViewWindow *vw = data;
1192
1193         view_slideshow_start(vw);
1194 }
1195
1196 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1197 {
1198         ViewWindow *vw = data;
1199
1200         view_slideshow_stop(vw);
1201 }
1202
1203 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1204 {
1205         ViewWindow *vw = data;
1206
1207         slideshow_pause_toggle(vw->ss);
1208 }
1209
1210 static void view_close_cb(GtkWidget *widget, gpointer data)
1211 {
1212         ViewWindow *vw = data;
1213
1214         view_window_close(vw);
1215 }
1216
1217 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1218 {
1219         LayoutWindow *nw;
1220
1221         nw = layout_new(NULL, NULL);
1222         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1223         layout_set_fd(nw, fd);
1224         return nw;
1225 }
1226
1227
1228 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1229 {
1230         ViewWindow *vw = data;
1231         LayoutWindow *lw;
1232         ImageWindow *imd;
1233
1234         imd = view_window_active_image(vw);
1235
1236         if (!imd || !imd->image_fd) return;
1237
1238         lw = layout_find_by_image_fd(imd);
1239         if (lw)
1240                 layout_set_fd(lw, imd->image_fd);
1241         else
1242                 view_new_layout_with_fd(imd->image_fd);
1243         view_window_close(vw);
1244 }
1245
1246 static void view_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
1247 {
1248         GList *editmenu_fd_list = data;
1249
1250         filelist_free(editmenu_fd_list);
1251 }
1252
1253 static GList *view_window_get_fd_list(ViewWindow *vw)
1254 {
1255         GList *list = NULL;
1256         ImageWindow *imd = view_window_active_image(vw);
1257
1258         if (imd)
1259                 {
1260                 FileData *fd = image_get_fd(imd);
1261                 if (fd) list = g_list_append(NULL, file_data_ref(fd));
1262                 }
1263
1264         return list;
1265 }
1266
1267 /**
1268  * @brief Add file selection list to a collection
1269  * @param[in] widget 
1270  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
1271  * 
1272  * 
1273  */
1274 static void image_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
1275 {
1276         ViewWindow *vw;
1277         ImageWindow *imd;
1278         FileData *fd;
1279         GList *selection_list = NULL;
1280
1281         vw = submenu_item_get_data(widget);
1282         imd = view_window_active_image(vw);
1283         fd = image_get_fd(imd);
1284         selection_list = g_list_append(selection_list, fd);
1285         pop_menu_collections(selection_list, data);
1286
1287         filelist_free(selection_list);
1288 }
1289
1290 static GtkWidget *view_popup_menu(ViewWindow *vw)
1291 {
1292         GtkWidget *menu;
1293         GtkWidget *submenu;
1294         GtkWidget *item;
1295         GList *editmenu_fd_list;
1296
1297         menu = popup_menu_short_lived();
1298
1299
1300         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1301         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1302         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1303         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1304         menu_item_add_divider(menu);
1305
1306         editmenu_fd_list = view_window_get_fd_list(vw);
1307         g_signal_connect(G_OBJECT(menu), "destroy",
1308                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1309         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1310         menu_item_add_divider(item);
1311 #if !GTK_CHECK_VERSION(3,0,0)
1312         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1313 #endif
1314         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1315
1316         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1317         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1318
1319         menu_item_add_divider(menu);
1320         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1321         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1322         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1323         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1324         menu_item_add(menu, _("_Copy path unquoted"), G_CALLBACK(view_copy_path_unquoted_cb), vw);
1325         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1326
1327         menu_item_add_divider(menu);
1328
1329         submenu_add_collections(menu, &item,
1330                                 G_CALLBACK(image_pop_menu_collections_cb), vw);
1331         gtk_widget_set_sensitive(item, TRUE);
1332         menu_item_add_divider(menu);
1333
1334         if (vw->ss)
1335                 {
1336                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1337                 if (slideshow_paused(vw->ss))
1338                         {
1339                         item = menu_item_add(menu, _("Continue slides_how"),
1340                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1341                         }
1342                 else
1343                         {
1344                         item = menu_item_add(menu, _("Pause slides_how"),
1345                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1346                         }
1347                 }
1348         else
1349                 {
1350                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1351                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1352                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1353                 gtk_widget_set_sensitive(item, FALSE);
1354                 }
1355
1356         if (vw->fs)
1357                 {
1358                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1359                 }
1360         else
1361                 {
1362                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1363                 }
1364
1365         menu_item_add_divider(menu);
1366         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1367
1368         return menu;
1369 }
1370
1371 /*
1372  *-------------------------------------------------------------------
1373  * dnd confirm dir
1374  *-------------------------------------------------------------------
1375  */
1376
1377 typedef struct {
1378         ViewWindow *vw;
1379         GList *list;
1380 } CViewConfirmD;
1381
1382 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1383 {
1384         /* do nothing */
1385 }
1386
1387 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1388 {
1389         GList *work;
1390
1391         view_window_set_list(vw, NULL);
1392
1393         work = list;
1394         while (work)
1395                 {
1396                 FileData *fd = work->data;
1397                 work = work->next;
1398
1399                 if (isdir(fd->path))
1400                         {
1401                         if (!skip)
1402                                 {
1403                                 GList *list = NULL;
1404
1405                                 if (recurse)
1406                                         {
1407                                         list = filelist_recursive(fd);
1408                                         }
1409                                 else
1410                                         { /*FIXME */
1411                                         filelist_read(fd, &list, NULL);
1412                                         list = filelist_sort_path(list);
1413                                         list = filelist_filter(list, FALSE);
1414                                         }
1415                                 if (list) vw->list = g_list_concat(vw->list, list);
1416                                 }
1417                         }
1418                 else
1419                         {
1420                         /* FIXME: no filtering here */
1421                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1422                         }
1423                 }
1424
1425         if (vw->list)
1426                 {
1427                 FileData *fd;
1428
1429                 vw->list_pointer = vw->list;
1430                 fd = vw->list->data;
1431                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1432
1433                 work = vw->list->next;
1434                 if (options->image.enable_read_ahead && work)
1435                         {
1436                         fd = work->data;
1437                         image_prebuffer_set(vw->imd, fd);
1438                         }
1439                 }
1440         else
1441                 {
1442                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1443                 }
1444 }
1445
1446 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1447 {
1448         CViewConfirmD *d = data;
1449         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1450 }
1451
1452 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1453 {
1454         CViewConfirmD *d = data;
1455         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1456 }
1457
1458 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1459 {
1460         CViewConfirmD *d = data;
1461         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1462 }
1463
1464 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1465 {
1466         CViewConfirmD *d = data;
1467         filelist_free(d->list);
1468         g_free(d);
1469 }
1470
1471 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1472 {
1473         GtkWidget *menu;
1474         CViewConfirmD *d;
1475
1476         d = g_new(CViewConfirmD, 1);
1477         d->vw = vw;
1478         d->list = list;
1479
1480         menu = popup_menu_short_lived();
1481         g_signal_connect(G_OBJECT(menu), "destroy",
1482                          G_CALLBACK(view_dir_list_destroy), d);
1483
1484         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1485         menu_item_add_divider(menu);
1486         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1487         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1488         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1489         menu_item_add_divider(menu);
1490         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1491
1492         return menu;
1493 }
1494
1495 /*
1496  *-----------------------------------------------------------------------------
1497  * image drag and drop routines
1498  *-----------------------------------------------------------------------------
1499  */
1500
1501 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1502                                      gint x, gint y,
1503                                      GtkSelectionData *selection_data, guint info,
1504                                      guint time, gpointer data)
1505 {
1506         ViewWindow *vw = data;
1507         ImageWindow *imd;
1508
1509         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1510
1511         imd = vw->imd;
1512
1513         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1514                 {
1515                 CollectionData *source;
1516                 GList *list;
1517                 GList *info_list;
1518
1519                 if (info == TARGET_URI_LIST)
1520                         {
1521                         GList *work;
1522
1523                         list = uri_filelist_from_gtk_selection_data(selection_data);
1524
1525                         work = list;
1526                         while (work)
1527                                 {
1528                                 FileData *fd = work->data;
1529                                 if (isdir(fd->path))
1530                                         {
1531                                         GtkWidget *menu;
1532                                         menu = view_confirm_dir_list(vw, list);
1533                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1534                                         return;
1535                                         }
1536                                 work = work->next;
1537                                 }
1538
1539                         list = filelist_filter(list, FALSE);
1540
1541                         source = NULL;
1542                         info_list = NULL;
1543                         }
1544                 else
1545                         {
1546                         source = collection_from_dnd_data((gchar *)gtk_selection_data_get_data(selection_data), &list, &info_list);
1547                         }
1548
1549                 if (list)
1550                         {
1551                         FileData *fd;
1552
1553                         fd = list->data;
1554                         if (isfile(fd->path))
1555                                 {
1556                                 view_slideshow_stop(vw);
1557                                 view_window_set_list(vw, NULL);
1558
1559                                 if (source && info_list)
1560                                         {
1561                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1562                                         }
1563                                 else
1564                                         {
1565                                         if (list->next)
1566                                                 {
1567                                                 vw->list = list;
1568                                                 list = NULL;
1569
1570                                                 vw->list_pointer = vw->list;
1571                                                 }
1572                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1573                                         }
1574                                 }
1575                         }
1576                 filelist_free(list);
1577                 g_list_free(info_list);
1578                 }
1579 }
1580
1581 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1582                                      GtkSelectionData *selection_data, guint info,
1583                                      guint time, gpointer data)
1584 {
1585         ViewWindow *vw = data;
1586         FileData *fd;
1587
1588         fd = image_get_fd(vw->imd);
1589
1590         if (fd)
1591                 {
1592                 GList *list;
1593
1594                 list = g_list_append(NULL, fd);
1595                 uri_selection_data_set_uris_from_filelist(selection_data, list);
1596                 g_list_free(list);
1597                 }
1598         else
1599                 {
1600                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
1601                                        8, NULL, 0);
1602                 }
1603 }
1604
1605 static void view_window_dnd_init(ViewWindow *vw)
1606 {
1607         ImageWindow *imd;
1608
1609         imd = vw->imd;
1610
1611         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1612                             dnd_file_drag_types, dnd_file_drag_types_count,
1613                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1614         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1615                          G_CALLBACK(view_window_set_dnd_data), vw);
1616
1617         gtk_drag_dest_set(imd->pr,
1618                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1619                           dnd_file_drop_types, dnd_file_drop_types_count,
1620                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1621         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1622                          G_CALLBACK(view_window_get_dnd_data), vw);
1623 }
1624
1625 /*
1626  *-----------------------------------------------------------------------------
1627  * maintenance (for rename, move, remove)
1628  *-----------------------------------------------------------------------------
1629  */
1630
1631 static void view_real_removed(ViewWindow *vw, FileData *fd)
1632 {
1633         ImageWindow *imd;
1634         FileData *image_fd;
1635
1636         imd = view_window_active_image(vw);
1637         image_fd = image_get_fd(imd);
1638
1639         if (image_fd && image_fd == fd)
1640                 {
1641                 if (vw->list)
1642                         {
1643                         view_list_step(vw, TRUE);
1644                         if (image_get_fd(imd) == image_fd)
1645                                 {
1646                                 view_list_step(vw, FALSE);
1647                                 }
1648                         }
1649                 else if (view_window_contains_collection(vw))
1650                         {
1651                         view_collection_step(vw, TRUE);
1652                         if (image_get_fd(imd) == image_fd)
1653                                 {
1654                                 view_collection_step(vw, FALSE);
1655                                 }
1656                         }
1657                 if (image_get_fd(imd) == image_fd)
1658                         {
1659                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1660                         }
1661                 }
1662
1663         if (vw->list)
1664                 {
1665                 GList *work;
1666                 GList *old;
1667
1668                 old = vw->list_pointer;
1669
1670                 work = vw->list;
1671                 while (work)
1672                         {
1673                         FileData *chk_fd;
1674                         GList *chk_link;
1675
1676                         chk_fd = work->data;
1677                         chk_link = work;
1678                         work = work->next;
1679
1680                         if (chk_fd == fd)
1681                                 {
1682                                 if (vw->list_pointer == chk_link)
1683                                         {
1684                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1685                                         }
1686                                 vw->list = g_list_remove(vw->list, chk_fd);
1687                                 file_data_unref(chk_fd);
1688                                 }
1689                         }
1690
1691                 /* handles stepping correctly when same image is in the list more than once */
1692                 if (old && old != vw->list_pointer)
1693                         {
1694                         FileData *fd;
1695
1696                         if (vw->list_pointer)
1697                                 {
1698                                 fd = vw->list_pointer->data;
1699                                 }
1700                         else
1701                                 {
1702                                 fd = NULL;
1703                                 }
1704
1705                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1706                         }
1707                 }
1708
1709         image_osd_update(imd);
1710 }
1711
1712 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1713 {
1714         ViewWindow *vw = data;
1715
1716         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1717
1718         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1719
1720         switch (fd->change->type)
1721                 {
1722                 case FILEDATA_CHANGE_MOVE:
1723                 case FILEDATA_CHANGE_RENAME:
1724                         break;
1725                 case FILEDATA_CHANGE_COPY:
1726                         break;
1727                 case FILEDATA_CHANGE_DELETE:
1728                         view_real_removed(vw, fd);
1729                         break;
1730                 case FILEDATA_CHANGE_UNSPECIFIED:
1731                 case FILEDATA_CHANGE_WRITE_METADATA:
1732                         break;
1733                 }
1734 }
1735 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */