Show shortcut keys in pop-up menus
[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  * This array must be kept in sync with the contents of:\n
86  *  @link view_popup_menu() @endlink \n
87  *  @link view_window_key_press_cb() @endlink
88  * 
89  * See also @link hard_coded_window_keys @endlink
90  **/
91 hard_coded_window_keys image_window_keys[] = {
92         {GDK_CONTROL_MASK, 'C', N_("Copy")},
93         {GDK_CONTROL_MASK, 'M', N_("Move")},
94         {GDK_CONTROL_MASK, 'R', N_("Rename")},
95         {GDK_CONTROL_MASK, 'D', N_("Move to Trash")},
96         {0, GDK_KEY_Delete, N_("Move to Trash")},
97         {GDK_SHIFT_MASK, GDK_KEY_Delete, N_("Delete")},
98         {GDK_CONTROL_MASK, 'W', N_("Close window")},
99         {GDK_SHIFT_MASK, 'R', N_("Rotate 180°")},
100         {GDK_SHIFT_MASK, 'M', N_("Rotate mirror")},
101         {GDK_SHIFT_MASK, 'F', N_("Rotate flip")},
102         {0, ']', N_(" Rotate counterclockwise 90°")},
103         {0, '[', N_(" Rotate clockwise 90°")},
104         {0, GDK_KEY_Page_Up, N_("Previous")},
105         {0, GDK_KEY_KP_Page_Up, N_("Previous")},
106         {0, GDK_KEY_BackSpace, N_("Previous")},
107         {0, 'B', N_("Previous")},
108         {0, GDK_KEY_Page_Down, N_("Next")},
109         {0, GDK_KEY_KP_Page_Down, N_("Next")},
110         {0, GDK_KEY_space, N_("Next")},
111         {0, 'N', N_("Next")},
112         {0, GDK_KEY_equal, N_("Zoom in")},
113         {0, GDK_KEY_plus, N_("Zoom in")},
114         {0, GDK_KEY_minus, N_("Zoom out")},
115         {0, 'X', N_("Zoom to fit")},
116         {0, GDK_KEY_KP_Multiply, N_("Zoom to fit")},
117         {0, 'Z', N_("Zoom 1:1")},
118         {0, GDK_KEY_KP_Divide, N_("Zoom 1:1")},
119         {0, GDK_KEY_1, N_("Zoom 1:1")},
120         {0, '2', N_("Zoom 2:1")},
121         {0, '3', N_("Zoom 3:1")},
122         {0, '4', N_("Zoom 4:1")},
123         {0, '7', N_("Zoom 1:4")},
124         {0, '8', N_("Zoom 1:3")},
125         {0, '9', N_("Zoom 1:2")},
126         {0, 'W', N_("Zoom fit window width")},
127         {0, 'H', N_("Zoom fit window height")},
128         {0, 'S', N_("Toggle slideshow")},
129         {0, 'P', N_("Pause slideshow")},
130         {0, 'R', N_("Reload image")},
131         {0, 'F', N_("Full screen")},
132         {0, 'V', N_("Fullscreen")},
133         {0, GDK_KEY_F11, N_("Fullscreen")},
134         {0, 'I', N_("Image overlay")},
135         {0, GDK_KEY_Escape, N_("Exit fullscreen")},
136         {0, GDK_KEY_Escape, N_("Close window")},
137         {GDK_SHIFT_MASK, 'G', N_("Desaturate")},
138         {GDK_SHIFT_MASK, 'P', N_("Print")},
139         {0, 0, NULL}
140 };
141
142
143 /*
144  *-----------------------------------------------------------------------------
145  * misc
146  *-----------------------------------------------------------------------------
147  */
148
149 static ImageWindow *view_window_active_image(ViewWindow *vw)
150 {
151         if (vw->fs) return vw->fs->imd;
152
153         return vw->imd;
154 }
155
156 static void view_window_set_list(ViewWindow *vw, GList *list)
157 {
158
159         filelist_free(vw->list);
160         vw->list = NULL;
161         vw->list_pointer = NULL;
162
163         vw->list = filelist_copy(list);
164 }
165
166 static gboolean view_window_contains_collection(ViewWindow *vw)
167 {
168         CollectionData *cd;
169         CollectInfo *info;
170
171         cd = image_get_collection(view_window_active_image(vw), &info);
172
173         return (cd && info);
174 }
175
176 static void view_collection_step(ViewWindow *vw, gboolean next)
177 {
178         ImageWindow *imd = view_window_active_image(vw);
179         CollectionData *cd;
180         CollectInfo *info;
181         CollectInfo *read_ahead_info = NULL;
182
183         cd = image_get_collection(imd, &info);
184
185         if (!cd || !info) return;
186
187         if (next)
188                 {
189                 info = collection_next_by_info(cd, info);
190                 if (options->image.enable_read_ahead)
191                         {
192                         read_ahead_info = collection_next_by_info(cd, info);
193                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
194                         }
195                 }
196         else
197                 {
198                 info = collection_prev_by_info(cd, info);
199                 if (options->image.enable_read_ahead)
200                         {
201                         read_ahead_info = collection_prev_by_info(cd, info);
202                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
203                         }
204                 }
205
206         if (info)
207                 {
208                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
209
210                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
211                 }
212
213 }
214
215 static void view_collection_step_to_end(ViewWindow *vw, gboolean last)
216 {
217         ImageWindow *imd = view_window_active_image(vw);
218         CollectionData *cd;
219         CollectInfo *info;
220         CollectInfo *read_ahead_info = NULL;
221
222         cd = image_get_collection(imd, &info);
223
224         if (!cd || !info) return;
225
226         if (last)
227                 {
228                 info = collection_get_last(cd);
229                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
230                 }
231         else
232                 {
233                 info = collection_get_first(cd);
234                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
235                 }
236
237         if (info)
238                 {
239                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
240                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
241                 }
242 }
243
244 static void view_list_step(ViewWindow *vw, gboolean next)
245 {
246         ImageWindow *imd = view_window_active_image(vw);
247         FileData *fd;
248         GList *work;
249         GList *work_ahead;
250
251         if (!vw->list) return;
252
253         fd = image_get_fd(imd);
254         if (!fd) return;
255
256         if (g_list_position(vw->list, vw->list_pointer) >= 0)
257                 {
258                 work = vw->list_pointer;
259                 }
260         else
261                 {
262                 gboolean found = FALSE;
263
264                 work = vw->list;
265                 while (work && !found)
266                         {
267                         FileData *temp;
268
269                         temp = work->data;
270
271                         if (fd == temp)
272                                 {
273                                 found = TRUE;
274                                 }
275                         else
276                                 {
277                                 work = work->next;
278                                 }
279                         }
280                 }
281         if (!work) return;
282
283         work_ahead = NULL;
284         if (next)
285                 {
286                 work = work->next;
287                 if (work) work_ahead = work->next;
288                 }
289         else
290                 {
291                 work = work->prev;
292                 if (work) work_ahead = work->prev;
293                 }
294
295         if (!work) return;
296
297         vw->list_pointer = work;
298         fd = work->data;
299         image_change_fd(imd, fd, image_zoom_get_default(imd));
300
301         if (options->image.enable_read_ahead && work_ahead)
302                 {
303                 FileData *next_fd = work_ahead->data;
304                 image_prebuffer_set(imd, next_fd);
305                 }
306 }
307
308 static void view_list_step_to_end(ViewWindow *vw, gboolean last)
309 {
310         ImageWindow *imd = view_window_active_image(vw);
311         FileData *fd;
312         GList *work;
313         GList *work_ahead;
314
315         if (!vw->list) return;
316
317         if (last)
318                 {
319                 work = g_list_last(vw->list);
320                 work_ahead = work->prev;
321                 }
322         else
323                 {
324                 work = vw->list;
325                 work_ahead = work->next;
326                 }
327
328         vw->list_pointer = work;
329         fd = work->data;
330         image_change_fd(imd, fd, image_zoom_get_default(imd));
331
332         if (options->image.enable_read_ahead && work_ahead)
333                 {
334                 FileData *next_fd = work_ahead->data;
335                 image_prebuffer_set(imd, next_fd);
336                 }
337 }
338
339 static void view_step_next(ViewWindow *vw)
340 {
341         if (vw->ss)
342                 {
343                 view_slideshow_next(vw);
344                 }
345         else if (vw->list)
346                 {
347                 view_list_step(vw, TRUE);
348                 }
349         else
350                 {
351                 view_collection_step(vw, TRUE);
352                 }
353 }
354
355 static void view_step_prev(ViewWindow *vw)
356 {
357         if (vw->ss)
358                 {
359                 view_slideshow_prev(vw);
360                 }
361         else if (vw->list)
362                 {
363                 view_list_step(vw, FALSE);
364                 }
365         else
366                 {
367                 view_collection_step(vw, FALSE);
368                 }
369 }
370
371 static void view_step_to_end(ViewWindow *vw, gboolean last)
372 {
373         if (vw->list)
374                 {
375                 view_list_step_to_end(vw, last);
376                 }
377         else
378                 {
379                 view_collection_step_to_end(vw, last);
380                 }
381 }
382
383 /*
384  *-----------------------------------------------------------------------------
385  * view window keyboard
386  *-----------------------------------------------------------------------------
387  */
388
389 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
390 {
391         ViewWindow *vw = data;
392         ImageWindow *imd;
393
394         imd = view_window_active_image(vw);
395         gdk_window_get_origin(gtk_widget_get_window(imd->pr), x, y);
396         popup_menu_position_clamp(menu, x, y, 0);
397 }
398
399 static gboolean view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
400 {
401         ViewWindow *vw = data;
402         ImageWindow *imd;
403         gint stop_signal;
404         GtkWidget *menu;
405         gint x = 0;
406         gint y = 0;
407
408         imd = view_window_active_image(vw);
409
410         stop_signal = TRUE;
411         switch (event->keyval)
412                 {
413                 case GDK_KEY_Left: case GDK_KEY_KP_Left:
414                         x -= 1;
415                         break;
416                 case GDK_KEY_Right: case GDK_KEY_KP_Right:
417                         x += 1;
418                         break;
419                 case GDK_KEY_Up: case GDK_KEY_KP_Up:
420                         y -= 1;
421                         break;
422                 case GDK_KEY_Down: case GDK_KEY_KP_Down:
423                         y += 1;
424                         break;
425                 default:
426                         stop_signal = FALSE;
427                         break;
428                 }
429
430         if (x != 0 || y!= 0)
431                 {
432                 if (event->state & GDK_SHIFT_MASK)
433                         {
434                         x *= 3;
435                         y *= 3;
436                         }
437
438                 keyboard_scroll_calc(&x, &y, event);
439                 image_scroll(imd, x, y);
440                 }
441
442         if (stop_signal) return stop_signal;
443
444         if (event->state & GDK_CONTROL_MASK)
445                 {
446                 stop_signal = TRUE;
447                 switch (event->keyval)
448                         {
449                         case '1':
450                         case '2':
451                         case '3':
452                         case '4':
453                         case '5':
454                         case '6':
455                         case '7':
456                         case '8':
457                         case '9':
458                         case '0':
459                                 break;
460                         case 'C': case 'c':
461                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
462                                 break;
463                         case 'M': case 'm':
464                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
465                                 break;
466                         case 'R': case 'r':
467                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
468                                 break;
469                         case 'D': case 'd':
470                                 options->file_ops.safe_delete_enable = TRUE;
471                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
472                                 break;
473                         case 'W': case 'w':
474                                 view_window_close(vw);
475                                 break;
476                         default:
477                                 stop_signal = FALSE;
478                                 break;
479                         }
480                 }
481         else if (event->state & GDK_SHIFT_MASK)
482                 {
483                 stop_signal = TRUE;
484                 switch (event->keyval)
485                         {
486                         case 'R': case 'r':
487                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_180);
488                                 break;
489                         case 'M': case 'm':
490                                 image_alter_orientation(imd, imd->image_fd, ALTER_MIRROR);
491                                 break;
492                         case 'F': case 'f':
493                                 image_alter_orientation(imd, imd->image_fd, ALTER_FLIP);
494                                 break;
495                         case 'G': case 'g':
496                                 image_set_desaturate(imd, !image_get_desaturate(imd));
497                                 break;
498                         case 'P': case 'p':
499                                 {
500                                 FileData *fd;
501
502                                 view_fullscreen_toggle(vw, TRUE);
503                                 imd = view_window_active_image(vw);
504                                 fd = image_get_fd(imd);
505                                 print_window_new(fd,
506                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
507                                                  filelist_copy(vw->list), vw->window);
508                                 }
509                                 break;
510                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
511                                 if (options->file_ops.enable_delete_key)
512                                         {
513                                         options->file_ops.safe_delete_enable = FALSE;
514                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
515                                         }
516                                 break;
517                         default:
518                                 stop_signal = FALSE;
519                                 break;
520                         }
521                 }
522         else
523                 {
524                 stop_signal = TRUE;
525                 switch (event->keyval)
526                         {
527                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
528                         case GDK_KEY_BackSpace:
529                         case 'B': case 'b':
530                                 view_step_prev(vw);
531                                 break;
532                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
533                         case GDK_KEY_space:
534                         case 'N': case 'n':
535                                 view_step_next(vw);
536                                 break;
537                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
538                                 view_step_to_end(vw, FALSE);
539                                 break;
540                         case GDK_KEY_End: case GDK_KEY_KP_End:
541                                 view_step_to_end(vw, TRUE);
542                                 break;
543                         case '+': case '=': case GDK_KEY_KP_Add:
544                                 image_zoom_adjust(imd, get_zoom_increment());
545                                 break;
546                         case '-': case GDK_KEY_KP_Subtract:
547                                 image_zoom_adjust(imd, -get_zoom_increment());
548                                 break;
549                         case 'X': case 'x': case GDK_KEY_KP_Multiply:
550                                 image_zoom_set(imd, 0.0);
551                                 break;
552                         case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
553                                 image_zoom_set(imd, 1.0);
554                                 break;
555                         case '2':
556                                 image_zoom_set(imd, 2.0);
557                                 break;
558                         case '3':
559                                 image_zoom_set(imd, 3.0);
560                                 break;
561                         case '4':
562                                 image_zoom_set(imd, 4.0);
563                                 break;
564                         case '7':
565                                 image_zoom_set(imd, -4.0);
566                                 break;
567                         case '8':
568                                 image_zoom_set(imd, -3.0);
569                                 break;
570                         case '9':
571                                 image_zoom_set(imd, -2.0);
572                                 break;
573                         case 'W': case 'w':
574                                 image_zoom_set_fill_geometry(imd, FALSE);
575                                 break;
576                         case 'H': case 'h':
577                                 image_zoom_set_fill_geometry(imd, TRUE);
578                                 break;
579                         case 'R': case 'r':
580                                 image_reload(imd);
581                                 break;
582                         case 'S': case 's':
583                                 if (vw->ss)
584                                         {
585                                         view_slideshow_stop(vw);
586                                         }
587                                 else
588                                         {
589                                         view_slideshow_start(vw);
590                                         }
591                                 break;
592                         case 'P': case 'p':
593                                 slideshow_pause_toggle(vw->ss);
594                                 break;
595                         case 'F': case 'f':
596                         case 'V': case 'v':
597                         case GDK_KEY_F11:
598                                 view_fullscreen_toggle(vw, FALSE);
599                                 break;
600                         case 'I': case 'i':
601                                 view_overlay_toggle(vw);
602                                 break;
603                         case ']':
604                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90);
605                                 break;
606                         case '[':
607                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90_CC);
608                                 break;
609                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
610                                 if (options->file_ops.enable_delete_key)
611                                         {
612                                         options->file_ops.safe_delete_enable = TRUE;
613                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
614                                         }
615                                 break;
616                         case GDK_KEY_Escape:
617                                 if (vw->fs)
618                                         {
619                                         view_fullscreen_toggle(vw, TRUE);
620                                         }
621                                 else
622                                         {
623                                         view_window_close(vw);
624                                         }
625                                 break;
626                         case GDK_KEY_Menu:
627                         case GDK_KEY_F10:
628                                 menu = view_popup_menu(vw);
629                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
630                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
631                                 break;
632                         default:
633                                 stop_signal = FALSE;
634                                 break;
635                         }
636                 }
637         if (!stop_signal && is_help_key(event))
638                 {
639                 help_window_show("GuideOtherWindowsImageWindow.html");
640                 stop_signal = TRUE;
641                 }
642
643         return stop_signal;
644 }
645
646 /*
647  *-----------------------------------------------------------------------------
648  * view window main routines
649  *-----------------------------------------------------------------------------
650  */
651 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
652 {
653         ViewWindow *vw = data;
654         GtkWidget *menu;
655         gchar *dest_dir;
656         LayoutWindow *lw_new;
657
658         switch (event->button)
659                 {
660                 case MOUSE_BUTTON_LEFT:
661                         if (options->image_l_click_archive && imd->image_fd->format_class == FORMAT_CLASS_ARCHIVE)
662                                 {
663                                 dest_dir = open_archive(imd->image_fd);
664                                 if (dest_dir)
665                                         {
666                                         lw_new = layout_new_from_default();
667                                         layout_set_path(lw_new, dest_dir);
668                                         g_free(dest_dir);
669                                         }
670                                 else
671                                         {
672                                         warning_dialog(_("Cannot open archive file"), _("See the Log Window"), GTK_STOCK_DIALOG_WARNING, NULL);
673                                         }
674                                 }
675                         else if (options->image_l_click_video && options->image_l_click_video_editor && imd->image_fd->format_class == FORMAT_CLASS_VIDEO)
676                                 {
677                                 start_editor_from_file(options->image_l_click_video_editor, imd->image_fd);
678                                 }
679                         else if (options->image_lm_click_nav)
680                                 view_step_next(vw);
681                         break;
682                 case MOUSE_BUTTON_MIDDLE:
683                         if (options->image_lm_click_nav)
684                                 view_step_prev(vw);
685                         break;
686                 case MOUSE_BUTTON_RIGHT:
687                         menu = view_popup_menu(vw);
688                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
689                         break;
690                 default:
691                         break;
692                 }
693 }
694
695 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
696 {
697         ViewWindow *vw = data;
698
699         if ((event->state & GDK_CONTROL_MASK) ||
700                                 (imd->mouse_wheel_mode && !options->image_lm_click_nav))
701                 {
702                 switch (event->direction)
703                         {
704                         case GDK_SCROLL_UP:
705                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
706                                 break;
707                         case GDK_SCROLL_DOWN:
708                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
709                                 break;
710                         default:
711                                 break;
712                         }
713                 }
714         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
715                 {
716                 switch (event->direction)
717                         {
718                         case GDK_SCROLL_UP:
719                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
720                                 break;
721                         case GDK_SCROLL_DOWN:
722                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
723                                 break;
724                         case GDK_SCROLL_LEFT:
725                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
726                                 break;
727                         case GDK_SCROLL_RIGHT:
728                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
729                                 break;
730                         default:
731                                 break;
732                         }
733                 }
734         else
735                 {
736                 switch (event->direction)
737                         {
738                         case GDK_SCROLL_UP:
739                                 view_step_prev(vw);
740                                 break;
741                         case GDK_SCROLL_DOWN:
742                                 view_step_next(vw);
743                                 break;
744                         default:
745                                 break;
746                         }
747                 }
748 }
749
750 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
751 {
752         image_set_button_func(imd, button_cb, vw);
753         image_set_scroll_func(imd, scroll_cb, vw);
754 }
755
756 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
757 {
758         ViewWindow *vw = data;
759
760         vw->fs = NULL;
761
762         if (vw->ss) vw->ss->imd = vw->imd;
763 }
764
765 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
766 {
767         if (force_off && !vw->fs) return;
768
769         if (vw->fs)
770                 {
771                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
772                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
773
774                 fullscreen_stop(vw->fs);
775                 }
776         else
777                 {
778                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
779
780                 view_image_set_buttons(vw, vw->fs->imd);
781                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
782                                  G_CALLBACK(view_window_key_press_cb), vw);
783
784                 if (vw->ss) vw->ss->imd = vw->fs->imd;
785
786                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
787                         {
788                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
789                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
790                         }
791                 }
792 }
793
794 static void view_overlay_toggle(ViewWindow *vw)
795 {
796         ImageWindow *imd;
797
798         imd = view_window_active_image(vw);
799
800         image_osd_toggle(imd);
801 }
802
803 static void view_slideshow_next(ViewWindow *vw)
804 {
805         if (vw->ss) slideshow_next(vw->ss);
806 }
807
808 static void view_slideshow_prev(ViewWindow *vw)
809 {
810         if (vw->ss) slideshow_prev(vw->ss);
811 }
812
813 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
814 {
815         ViewWindow *vw = data;
816         GList *work;
817         FileData *fd;
818
819         vw->ss = NULL;
820
821         work = vw->list;
822         fd = image_get_fd(view_window_active_image(vw));
823         while (work)
824                 {
825                 FileData *temp;
826
827                 temp = work->data;
828                 if (fd == temp)
829                         {
830                         vw->list_pointer = work;
831                         work = NULL;
832                         }
833                 else
834                         {
835                         work = work->next;
836                         }
837                 }
838 }
839
840 static void view_slideshow_start(ViewWindow *vw)
841 {
842         if (!vw->ss)
843                 {
844                 CollectionData *cd;
845                 CollectInfo *info;
846
847                 if (vw->list)
848                         {
849                         vw->ss = slideshow_start_from_filelist(NULL, view_window_active_image(vw),
850                                                                 filelist_copy(vw->list),
851                                                                 view_slideshow_stop_func, vw);
852                         vw->list_pointer = NULL;
853                         return;
854                         }
855
856                 cd = image_get_collection(view_window_active_image(vw), &info);
857                 if (cd && info)
858                         {
859                         vw->ss = slideshow_start_from_collection(NULL, view_window_active_image(vw), cd,
860                                                                  view_slideshow_stop_func, vw, info);
861                         }
862                 }
863 }
864
865 static void view_slideshow_stop(ViewWindow *vw)
866 {
867         if (vw->ss) slideshow_free(vw->ss);
868 }
869
870 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
871 {
872         ViewWindow *vw = data;
873
874         view_window_list = g_list_remove(view_window_list, vw);
875
876         view_slideshow_stop(vw);
877         fullscreen_stop(vw->fs);
878
879         filelist_free(vw->list);
880
881         file_data_unregister_notify_func(view_window_notify_cb, vw);
882
883         g_free(vw);
884 }
885
886 static void view_window_close(ViewWindow *vw)
887 {
888         view_slideshow_stop(vw);
889         view_fullscreen_toggle(vw, TRUE);
890         gtk_widget_destroy(vw->window);
891 }
892
893 static gboolean view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
894 {
895         ViewWindow *vw = data;
896
897         view_window_close(vw);
898         return TRUE;
899 }
900
901 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
902 {
903         ViewWindow *vw;
904         GtkAllocation req_size;
905         GdkGeometry geometry;
906         gint w, h;
907
908         if (!fd && !list && (!cd || !info)) return NULL;
909
910         vw = g_new0(ViewWindow, 1);
911
912         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
913         DEBUG_NAME(vw->window);
914
915         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
916         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
917         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
918
919         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
920         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
921
922         vw->imd = image_new(FALSE);
923         image_color_profile_set(vw->imd,
924                                 options->color_profile.input_type,
925                                 options->color_profile.use_image);
926         image_color_profile_set_use(vw->imd, options->color_profile.enabled);
927
928         image_background_set_color_from_options(vw->imd, FALSE);
929
930         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
931
932         image_auto_refresh_enable(vw->imd, TRUE);
933         image_top_window_set_sync(vw->imd, TRUE);
934
935         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
936         gtk_widget_show(vw->imd->widget);
937
938         view_window_dnd_init(vw);
939
940         view_image_set_buttons(vw, vw->imd);
941
942         g_signal_connect(G_OBJECT(vw->window), "destroy",
943                          G_CALLBACK(view_window_destroy_cb), vw);
944         g_signal_connect(G_OBJECT(vw->window), "delete_event",
945                          G_CALLBACK(view_window_delete_cb), vw);
946         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
947                          G_CALLBACK(view_window_key_press_cb), vw);
948         if (cd && info)
949                 {
950                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL));
951                 /* Grab the fd so we can correctly size the window in
952                    the call to image_load_dimensions() below. */
953                 fd = info->fd;
954                 if (options->image.enable_read_ahead)
955                         {
956                         CollectInfo * r_info = collection_next_by_info(cd, info);
957                         if (!r_info) r_info = collection_prev_by_info(cd, info);
958                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
959                         }
960                 }
961         else if (list)
962                 {
963                 view_window_set_list(vw, list);
964                 vw->list_pointer = vw->list;
965                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
966                 /* Set fd to first in list */
967                 fd = vw->list->data;
968
969                 if (options->image.enable_read_ahead)
970                         {
971                         GList *work = vw->list->next;
972                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
973                         }
974                 }
975         else
976                 {
977                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
978                 }
979
980         /* Wait until image is loaded otherwise size is not defined */
981         image_load_dimensions(fd, &w, &h);
982
983         if (options->image.limit_window_size)
984                 {
985                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
986                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
987
988                 if (w > mw) w = mw;
989                 if (h > mh) h = mh;
990                 }
991
992         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
993         req_size.x = req_size.y = 0;
994         req_size.width = w;
995         req_size.height = h;
996         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
997
998 #if !GTK_CHECK_VERSION(3,0,0)
999         gtk_widget_set_size_request(vw->imd->pr, w, h);
1000 #endif
1001
1002         gtk_window_set_focus_on_map(GTK_WINDOW(vw->window), FALSE);
1003         gtk_widget_show(vw->window);
1004
1005         view_window_list = g_list_append(view_window_list, vw);
1006
1007         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
1008
1009         return vw;
1010 }
1011
1012 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
1013 {
1014         CollectionData *cd = data;
1015
1016         collection_unref(cd);
1017 }
1018
1019 void view_window_new(FileData *fd)
1020 {
1021         GList *list;
1022
1023         if (fd)
1024                 {
1025                 if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
1026                         {
1027                         ViewWindow *vw;
1028                         CollectionData *cd;
1029                         CollectInfo *info;
1030
1031                         cd = collection_new(fd->path);
1032                         if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
1033                                 {
1034                                 info = collection_get_first(cd);
1035                                 }
1036                         else
1037                                 {
1038                                 collection_unref(cd);
1039                                 cd = NULL;
1040                                 info = NULL;
1041                                 }
1042                         vw = real_view_window_new(NULL, NULL, cd, info);
1043                         if (vw && cd)
1044                                 {
1045                                 g_signal_connect(G_OBJECT(vw->window), "destroy",
1046                                                  G_CALLBACK(view_window_collection_unref_cb), cd);
1047                                 }
1048                         }
1049                 else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
1050                         {
1051                         list = filelist_sort_path(list);
1052                         list = filelist_filter(list, FALSE);
1053                         real_view_window_new(NULL, list, NULL, NULL);
1054                         filelist_free(list);
1055                         }
1056                 else
1057                         {
1058                         real_view_window_new(fd, NULL, NULL, NULL);
1059                         }
1060                 }
1061 }
1062
1063 void view_window_new_from_list(GList *list)
1064 {
1065         real_view_window_new(NULL, list, NULL, NULL);
1066 }
1067
1068 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
1069 {
1070         real_view_window_new(NULL, NULL, cd, info);
1071 }
1072
1073 /*
1074  *-----------------------------------------------------------------------------
1075  * public
1076  *-----------------------------------------------------------------------------
1077  */
1078
1079 void view_window_colors_update(void)
1080 {
1081         GList *work;
1082
1083         work = view_window_list;
1084         while (work)
1085                 {
1086                 ViewWindow *vw = work->data;
1087                 work = work->next;
1088
1089                 image_background_set_color_from_options(vw->imd, !!vw->fs);
1090                 }
1091 }
1092
1093 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1094 {
1095         GList *work;
1096
1097         work = view_window_list;
1098         while (work)
1099                 {
1100                 ViewWindow *vw = work->data;
1101                 work = work->next;
1102
1103                 if (vw->imd == imd ||
1104                     (vw->fs && vw->fs->imd == imd))
1105                         {
1106                         if (vw->ss)
1107                                 {
1108                                 gint n;
1109                                 gint t;
1110
1111                                 n = g_list_length(vw->ss->list_done);
1112                                 t = n + g_list_length(vw->ss->list);
1113                                 if (n == 0) n = t;
1114                                 if (index) *index = n - 1;
1115                                 if (total) *total = t;
1116                                 }
1117                         else
1118                                 {
1119                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1120                                 if (total) *total = g_list_length(vw->list);
1121                                 }
1122                         return TRUE;
1123                         }
1124                 }
1125
1126         return FALSE;
1127 }
1128
1129 /*
1130  *-----------------------------------------------------------------------------
1131  * view window menu routines and callbacks
1132  *-----------------------------------------------------------------------------
1133  */
1134
1135 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1136 {
1137         ViewWindow *vw = data;
1138         CollectionData *cd;
1139         CollectInfo *info;
1140
1141         cd = image_get_collection(vw->imd, &info);
1142
1143         if (cd && info)
1144                 {
1145                 view_window_new_from_collection(cd, info);
1146                 }
1147         else
1148                 {
1149                 view_window_new(image_get_fd(vw->imd));
1150                 }
1151 }
1152
1153 static void view_edit_cb(GtkWidget *widget, gpointer data)
1154 {
1155         ViewWindow *vw;
1156         ImageWindow *imd;
1157         const gchar *key = data;
1158
1159         vw = submenu_item_get_data(widget);
1160         if (!vw) return;
1161
1162         if (!editor_window_flag_set(key))
1163                 {
1164                 view_fullscreen_toggle(vw, TRUE);
1165                 }
1166
1167         imd = view_window_active_image(vw);
1168         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1169 }
1170
1171 static void view_alter_cb(GtkWidget *widget, gpointer data)
1172 {
1173         ViewWindow *vw;
1174         AlterType type;
1175
1176         vw = submenu_item_get_data(widget);
1177         type = GPOINTER_TO_INT(data);
1178
1179         if (!vw) return;
1180         image_alter_orientation(vw->imd, vw->imd->image_fd, type);
1181 }
1182
1183 #if !GTK_CHECK_VERSION(3,0,0)
1184 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1185 {
1186         ViewWindow *vw = data;
1187         ImageWindow *imd;
1188
1189         imd = view_window_active_image(vw);
1190         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1191 }
1192 #endif
1193
1194 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1195 {
1196         ViewWindow *vw = data;
1197
1198         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1199 }
1200
1201 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1202 {
1203         ViewWindow *vw = data;
1204
1205         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1206 }
1207
1208 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1209 {
1210         ViewWindow *vw = data;
1211
1212         image_zoom_set(view_window_active_image(vw), 1.0);
1213 }
1214
1215 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1216 {
1217         ViewWindow *vw = data;
1218
1219         image_zoom_set(view_window_active_image(vw), 0.0);
1220 }
1221
1222 static void view_copy_cb(GtkWidget *widget, gpointer data)
1223 {
1224         ViewWindow *vw = data;
1225         ImageWindow *imd;
1226
1227         imd = view_window_active_image(vw);
1228         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1229 }
1230
1231 static void view_move_cb(GtkWidget *widget, gpointer data)
1232 {
1233         ViewWindow *vw = data;
1234         ImageWindow *imd;
1235
1236         imd = view_window_active_image(vw);
1237         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1238 }
1239
1240 static void view_rename_cb(GtkWidget *widget, gpointer data)
1241 {
1242         ViewWindow *vw = data;
1243         ImageWindow *imd;
1244
1245         imd = view_window_active_image(vw);
1246         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1247 }
1248
1249 static void view_delete_cb(GtkWidget *widget, gpointer data)
1250 {
1251         ViewWindow *vw = data;
1252         ImageWindow *imd;
1253
1254         imd = view_window_active_image(vw);
1255         options->file_ops.safe_delete_enable = FALSE;
1256         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1257 }
1258
1259 static void view_move_to_trash_cb(GtkWidget *widget, gpointer data)
1260 {
1261         ViewWindow *vw = data;
1262         ImageWindow *imd;
1263
1264         imd = view_window_active_image(vw);
1265         options->file_ops.safe_delete_enable = TRUE;
1266         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1267 }
1268
1269 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1270 {
1271         ViewWindow *vw = data;
1272         ImageWindow *imd;
1273
1274         imd = view_window_active_image(vw);
1275         file_util_copy_path_to_clipboard(image_get_fd(imd), TRUE);
1276 }
1277
1278 static void view_copy_path_unquoted_cb(GtkWidget *widget, gpointer data)
1279 {
1280         ViewWindow *vw = data;
1281         ImageWindow *imd;
1282
1283         imd = view_window_active_image(vw);
1284         file_util_copy_path_to_clipboard(image_get_fd(imd), FALSE);
1285 }
1286
1287 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1288 {
1289         ViewWindow *vw = data;
1290
1291         view_fullscreen_toggle(vw, FALSE);
1292 }
1293
1294 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1295 {
1296         ViewWindow *vw = data;
1297
1298         view_slideshow_start(vw);
1299 }
1300
1301 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1302 {
1303         ViewWindow *vw = data;
1304
1305         view_slideshow_stop(vw);
1306 }
1307
1308 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1309 {
1310         ViewWindow *vw = data;
1311
1312         slideshow_pause_toggle(vw->ss);
1313 }
1314
1315 static void view_close_cb(GtkWidget *widget, gpointer data)
1316 {
1317         ViewWindow *vw = data;
1318
1319         view_window_close(vw);
1320 }
1321
1322 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1323 {
1324         LayoutWindow *nw;
1325
1326         nw = layout_new(NULL, NULL);
1327         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1328         layout_set_fd(nw, fd);
1329         return nw;
1330 }
1331
1332
1333 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1334 {
1335         ViewWindow *vw = data;
1336         LayoutWindow *lw;
1337         ImageWindow *imd;
1338
1339         imd = view_window_active_image(vw);
1340
1341         if (!imd || !imd->image_fd) return;
1342
1343         lw = layout_find_by_image_fd(imd);
1344         if (lw)
1345                 layout_set_fd(lw, imd->image_fd);
1346         else
1347                 view_new_layout_with_fd(imd->image_fd);
1348         view_window_close(vw);
1349 }
1350
1351 static void view_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
1352 {
1353         GList *editmenu_fd_list = data;
1354
1355         filelist_free(editmenu_fd_list);
1356 }
1357
1358 static GList *view_window_get_fd_list(ViewWindow *vw)
1359 {
1360         GList *list = NULL;
1361         ImageWindow *imd = view_window_active_image(vw);
1362
1363         if (imd)
1364                 {
1365                 FileData *fd = image_get_fd(imd);
1366                 if (fd) list = g_list_append(NULL, file_data_ref(fd));
1367                 }
1368
1369         return list;
1370 }
1371
1372 /**
1373  * @brief Add file selection list to a collection
1374  * @param[in] widget 
1375  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
1376  * 
1377  * 
1378  */
1379 static void image_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
1380 {
1381         ViewWindow *vw;
1382         ImageWindow *imd;
1383         FileData *fd;
1384         GList *selection_list = NULL;
1385
1386         vw = submenu_item_get_data(widget);
1387         imd = view_window_active_image(vw);
1388         fd = image_get_fd(imd);
1389         selection_list = g_list_append(selection_list, fd);
1390         pop_menu_collections(selection_list, data);
1391
1392         filelist_free(selection_list);
1393 }
1394
1395 static GtkWidget *view_popup_menu(ViewWindow *vw)
1396 {
1397         GtkWidget *menu;
1398         GtkWidget *item;
1399         GList *editmenu_fd_list;
1400         GtkAccelGroup *accel_group;
1401
1402         menu = popup_menu_short_lived();
1403
1404         accel_group = gtk_accel_group_new();
1405         gtk_menu_set_accel_group(GTK_MENU(menu), accel_group);
1406
1407         g_object_set_data(G_OBJECT(menu), "window_keys", image_window_keys);
1408         g_object_set_data(G_OBJECT(menu), "accel_group", accel_group);
1409
1410         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1411         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1412         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1413         menu_item_add_stock(menu, _("Zoom to fit"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1414         menu_item_add_divider(menu);
1415
1416         editmenu_fd_list = view_window_get_fd_list(vw);
1417         g_signal_connect(G_OBJECT(menu), "destroy",
1418                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1419         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1420         menu_item_add_divider(item);
1421 #if !GTK_CHECK_VERSION(3,0,0)
1422         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1423 #endif
1424         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1425
1426         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1427         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1428
1429         menu_item_add_divider(menu);
1430         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1431         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1432         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1433         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1434         menu_item_add(menu, _("_Copy path unquoted"), G_CALLBACK(view_copy_path_unquoted_cb), vw);
1435
1436         menu_item_add_divider(menu);
1437         menu_item_add_stock(menu,
1438                                 options->file_ops.confirm_move_to_trash ? _("Move to Trash...") :
1439                                         _("Move to Trash"), PIXBUF_INLINE_ICON_TRASH,
1440                                 G_CALLBACK(view_move_to_trash_cb), vw);
1441         menu_item_add_stock(menu,
1442                                 options->file_ops.confirm_delete ? _("_Delete...") :
1443                                         _("_Delete"), GTK_STOCK_DELETE,
1444                                 G_CALLBACK(view_delete_cb), vw);
1445
1446         menu_item_add_divider(menu);
1447
1448         submenu_add_collections(menu, &item,
1449                                 G_CALLBACK(image_pop_menu_collections_cb), vw);
1450         gtk_widget_set_sensitive(item, TRUE);
1451         menu_item_add_divider(menu);
1452
1453         if (vw->ss)
1454                 {
1455                 menu_item_add(menu, _("Toggle _slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1456                 if (slideshow_paused(vw->ss))
1457                         {
1458                         item = menu_item_add(menu, _("Continue slides_how"),
1459                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1460                         }
1461                 else
1462                         {
1463                         item = menu_item_add(menu, _("Pause slides_how"),
1464                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1465                         }
1466                 }
1467         else
1468                 {
1469                 item = menu_item_add(menu, _("Toggle _slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1470                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1471                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1472                 gtk_widget_set_sensitive(item, FALSE);
1473                 }
1474
1475         if (vw->fs)
1476                 {
1477                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1478                 }
1479         else
1480                 {
1481                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1482                 }
1483
1484         menu_item_add_divider(menu);
1485         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1486
1487         return menu;
1488 }
1489
1490 /*
1491  *-------------------------------------------------------------------
1492  * dnd confirm dir
1493  *-------------------------------------------------------------------
1494  */
1495
1496 typedef struct {
1497         ViewWindow *vw;
1498         GList *list;
1499 } CViewConfirmD;
1500
1501 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1502 {
1503         /* do nothing */
1504 }
1505
1506 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1507 {
1508         GList *work;
1509
1510         view_window_set_list(vw, NULL);
1511
1512         work = list;
1513         while (work)
1514                 {
1515                 FileData *fd = work->data;
1516                 work = work->next;
1517
1518                 if (isdir(fd->path))
1519                         {
1520                         if (!skip)
1521                                 {
1522                                 GList *list = NULL;
1523
1524                                 if (recurse)
1525                                         {
1526                                         list = filelist_recursive(fd);
1527                                         }
1528                                 else
1529                                         { /** @FIXME ?? */
1530                                         filelist_read(fd, &list, NULL);
1531                                         list = filelist_sort_path(list);
1532                                         list = filelist_filter(list, FALSE);
1533                                         }
1534                                 if (list) vw->list = g_list_concat(vw->list, list);
1535                                 }
1536                         }
1537                 else
1538                         {
1539                         /** @FIXME no filtering here */
1540                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1541                         }
1542                 }
1543
1544         if (vw->list)
1545                 {
1546                 FileData *fd;
1547
1548                 vw->list_pointer = vw->list;
1549                 fd = vw->list->data;
1550                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1551
1552                 work = vw->list->next;
1553                 if (options->image.enable_read_ahead && work)
1554                         {
1555                         fd = work->data;
1556                         image_prebuffer_set(vw->imd, fd);
1557                         }
1558                 }
1559         else
1560                 {
1561                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1562                 }
1563 }
1564
1565 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1566 {
1567         CViewConfirmD *d = data;
1568         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1569 }
1570
1571 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1572 {
1573         CViewConfirmD *d = data;
1574         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1575 }
1576
1577 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1578 {
1579         CViewConfirmD *d = data;
1580         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1581 }
1582
1583 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1584 {
1585         CViewConfirmD *d = data;
1586         filelist_free(d->list);
1587         g_free(d);
1588 }
1589
1590 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1591 {
1592         GtkWidget *menu;
1593         CViewConfirmD *d;
1594
1595         d = g_new(CViewConfirmD, 1);
1596         d->vw = vw;
1597         d->list = list;
1598
1599         menu = popup_menu_short_lived();
1600         g_signal_connect(G_OBJECT(menu), "destroy",
1601                          G_CALLBACK(view_dir_list_destroy), d);
1602
1603         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1604         menu_item_add_divider(menu);
1605         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1606         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1607         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1608         menu_item_add_divider(menu);
1609         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1610
1611         return menu;
1612 }
1613
1614 /*
1615  *-----------------------------------------------------------------------------
1616  * image drag and drop routines
1617  *-----------------------------------------------------------------------------
1618  */
1619
1620 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1621                                      gint x, gint y,
1622                                      GtkSelectionData *selection_data, guint info,
1623                                      guint time, gpointer data)
1624 {
1625         ViewWindow *vw = data;
1626         ImageWindow *imd;
1627
1628         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1629
1630         imd = vw->imd;
1631
1632         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1633                 {
1634                 CollectionData *source;
1635                 GList *list;
1636                 GList *info_list;
1637
1638                 if (info == TARGET_URI_LIST)
1639                         {
1640                         GList *work;
1641
1642                         list = uri_filelist_from_gtk_selection_data(selection_data);
1643
1644                         work = list;
1645                         while (work)
1646                                 {
1647                                 FileData *fd = work->data;
1648                                 if (isdir(fd->path))
1649                                         {
1650                                         GtkWidget *menu;
1651                                         menu = view_confirm_dir_list(vw, list);
1652                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1653                                         return;
1654                                         }
1655                                 work = work->next;
1656                                 }
1657
1658                         list = filelist_filter(list, FALSE);
1659
1660                         source = NULL;
1661                         info_list = NULL;
1662                         }
1663                 else
1664                         {
1665                         source = collection_from_dnd_data((gchar *)gtk_selection_data_get_data(selection_data), &list, &info_list);
1666                         }
1667
1668                 if (list)
1669                         {
1670                         FileData *fd;
1671
1672                         fd = list->data;
1673                         if (isfile(fd->path))
1674                                 {
1675                                 view_slideshow_stop(vw);
1676                                 view_window_set_list(vw, NULL);
1677
1678                                 if (source && info_list)
1679                                         {
1680                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1681                                         }
1682                                 else
1683                                         {
1684                                         if (list->next)
1685                                                 {
1686                                                 vw->list = list;
1687                                                 list = NULL;
1688
1689                                                 vw->list_pointer = vw->list;
1690                                                 }
1691                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1692                                         }
1693                                 }
1694                         }
1695                 filelist_free(list);
1696                 g_list_free(info_list);
1697                 }
1698 }
1699
1700 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1701                                      GtkSelectionData *selection_data, guint info,
1702                                      guint time, gpointer data)
1703 {
1704         ViewWindow *vw = data;
1705         FileData *fd;
1706
1707         fd = image_get_fd(vw->imd);
1708
1709         if (fd)
1710                 {
1711                 GList *list;
1712
1713                 list = g_list_append(NULL, fd);
1714                 uri_selection_data_set_uris_from_filelist(selection_data, list);
1715                 g_list_free(list);
1716                 }
1717         else
1718                 {
1719                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
1720                                        8, NULL, 0);
1721                 }
1722 }
1723
1724 static void view_window_dnd_init(ViewWindow *vw)
1725 {
1726         ImageWindow *imd;
1727
1728         imd = vw->imd;
1729
1730         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1731                             dnd_file_drag_types, dnd_file_drag_types_count,
1732                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1733         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1734                          G_CALLBACK(view_window_set_dnd_data), vw);
1735
1736         gtk_drag_dest_set(imd->pr,
1737                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1738                           dnd_file_drop_types, dnd_file_drop_types_count,
1739                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1740         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1741                          G_CALLBACK(view_window_get_dnd_data), vw);
1742 }
1743
1744 /*
1745  *-----------------------------------------------------------------------------
1746  * maintenance (for rename, move, remove)
1747  *-----------------------------------------------------------------------------
1748  */
1749
1750 static void view_real_removed(ViewWindow *vw, FileData *fd)
1751 {
1752         ImageWindow *imd;
1753         FileData *image_fd;
1754
1755         imd = view_window_active_image(vw);
1756         image_fd = image_get_fd(imd);
1757
1758         if (image_fd && image_fd == fd)
1759                 {
1760                 if (vw->list)
1761                         {
1762                         view_list_step(vw, TRUE);
1763                         if (image_get_fd(imd) == image_fd)
1764                                 {
1765                                 view_list_step(vw, FALSE);
1766                                 }
1767                         }
1768                 else if (view_window_contains_collection(vw))
1769                         {
1770                         view_collection_step(vw, TRUE);
1771                         if (image_get_fd(imd) == image_fd)
1772                                 {
1773                                 view_collection_step(vw, FALSE);
1774                                 }
1775                         }
1776                 if (image_get_fd(imd) == image_fd)
1777                         {
1778                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1779                         }
1780                 }
1781
1782         if (vw->list)
1783                 {
1784                 GList *work;
1785                 GList *old;
1786
1787                 old = vw->list_pointer;
1788
1789                 work = vw->list;
1790                 while (work)
1791                         {
1792                         FileData *chk_fd;
1793                         GList *chk_link;
1794
1795                         chk_fd = work->data;
1796                         chk_link = work;
1797                         work = work->next;
1798
1799                         if (chk_fd == fd)
1800                                 {
1801                                 if (vw->list_pointer == chk_link)
1802                                         {
1803                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1804                                         }
1805                                 vw->list = g_list_remove(vw->list, chk_fd);
1806                                 file_data_unref(chk_fd);
1807                                 }
1808                         }
1809
1810                 /* handles stepping correctly when same image is in the list more than once */
1811                 if (old && old != vw->list_pointer)
1812                         {
1813                         FileData *fd;
1814
1815                         if (vw->list_pointer)
1816                                 {
1817                                 fd = vw->list_pointer->data;
1818                                 }
1819                         else
1820                                 {
1821                                 fd = NULL;
1822                                 }
1823
1824                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1825                         }
1826                 }
1827
1828         image_osd_update(imd);
1829 }
1830
1831 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1832 {
1833         ViewWindow *vw = data;
1834
1835         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1836
1837         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1838
1839         switch (fd->change->type)
1840                 {
1841                 case FILEDATA_CHANGE_MOVE:
1842                 case FILEDATA_CHANGE_RENAME:
1843                         break;
1844                 case FILEDATA_CHANGE_COPY:
1845                         break;
1846                 case FILEDATA_CHANGE_DELETE:
1847                         view_real_removed(vw, fd);
1848                         break;
1849                 case FILEDATA_CHANGE_UNSPECIFIED:
1850                 case FILEDATA_CHANGE_WRITE_METADATA:
1851                         break;
1852                 }
1853 }
1854 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */