use accessor functions
[geeqie.git] / src / layout_image.c
1 /*
2  * Geeqie
3  * (C) 2006 John Ellis
4  * Copyright (C) 2008 - 2012 The Geeqie Team
5  *
6  * Author: John Ellis
7  *
8  * This software is released under the GNU General Public License (GNU GPL).
9  * Please read the included file COPYING for more information.
10  * This software comes with no warranty of any kind, use at your own risk!
11  */
12
13 #include "main.h"
14 #include "layout_image.h"
15
16 #include "collect.h"
17 #include "color-man.h"
18 #include "dnd.h"
19 #include "editors.h"
20 #include "filedata.h"
21 #include "fullscreen.h"
22 #include "image.h"
23 #include "image-overlay.h"
24 #include "img-view.h"
25 #include "layout.h"
26 #include "layout_util.h"
27 #include "menu.h"
28 #include "misc.h"
29 #include "pixbuf_util.h"
30 #include "pixbuf-renderer.h"
31 #include "slideshow.h"
32 #include "ui_fileops.h"
33 #include "ui_menu.h"
34 #include "uri_utils.h"
35 #include "utilops.h"
36 #include "view_file.h"
37
38 #include <gdk/gdkkeysyms.h> /* for keyboard values */
39
40
41 static GtkWidget *layout_image_pop_menu(LayoutWindow *lw);
42 static void layout_image_set_buttons(LayoutWindow *lw);
43
44 /*
45  *----------------------------------------------------------------------------
46  * full screen overlay
47  *----------------------------------------------------------------------------
48  */
49
50 void layout_image_overlay_toggle(LayoutWindow *lw)
51 {
52         if (!lw) return;
53         image_osd_toggle(lw->image);
54 }
55
56 /*
57  *----------------------------------------------------------------------------
58  * full screen
59  *----------------------------------------------------------------------------
60  */
61
62 static void layout_image_full_screen_stop_func(FullScreenData *fs, gpointer data)
63 {
64         LayoutWindow *lw = data;
65
66         /* restore image window */
67         lw->image = fs->normal_imd;
68
69         lw->full_screen = NULL;
70 }
71
72 void layout_image_full_screen_start(LayoutWindow *lw)
73 {
74         if (!layout_valid(&lw)) return;
75
76         if (lw->full_screen) return;
77
78         lw->full_screen = fullscreen_start(lw->window, lw->image,
79                                            layout_image_full_screen_stop_func, lw);
80
81         /* set to new image window */
82         lw->image = lw->full_screen->imd;
83
84         layout_image_set_buttons(lw);
85
86         g_signal_connect(G_OBJECT(lw->full_screen->window), "key_press_event",
87                          G_CALLBACK(layout_key_press_cb), lw);
88
89         layout_actions_add_window(lw, lw->full_screen->window);
90 #if 0
91         gtk_widget_set_sensitive(lw->window, FALSE);
92         if (lw->tools) gtk_widget_set_sensitive(lw->tools, FALSE);
93 #endif
94
95         image_osd_copy_status(lw->full_screen->normal_imd, lw->image);
96 }
97
98 void layout_image_full_screen_stop(LayoutWindow *lw)
99 {
100         if (!layout_valid(&lw)) return;
101         if (!lw->full_screen) return;
102
103         image_osd_copy_status(lw->image, lw->full_screen->normal_imd);
104
105         fullscreen_stop(lw->full_screen);
106
107 #if 0
108         gtk_widget_set_sensitive(lw->window, TRUE);
109         if (lw->tools) gtk_widget_set_sensitive(lw->tools, TRUE);
110 #endif
111 }
112
113 void layout_image_full_screen_toggle(LayoutWindow *lw)
114 {
115         if (!layout_valid(&lw)) return;
116         if (lw->full_screen)
117                 {
118                 layout_image_full_screen_stop(lw);
119                 }
120         else
121                 {
122                 layout_image_full_screen_start(lw);
123                 }
124 }
125
126 gboolean layout_image_full_screen_active(LayoutWindow *lw)
127 {
128         if (!layout_valid(&lw)) return FALSE;
129
130         return (lw->full_screen != NULL);
131 }
132
133 /*
134  *----------------------------------------------------------------------------
135  * slideshow
136  *----------------------------------------------------------------------------
137  */
138
139 static void layout_image_slideshow_next(LayoutWindow *lw)
140 {
141         if (lw->slideshow) slideshow_next(lw->slideshow);
142 }
143
144 static void layout_image_slideshow_prev(LayoutWindow *lw)
145 {
146         if (lw->slideshow) slideshow_prev(lw->slideshow);
147 }
148
149 static void layout_image_slideshow_stop_func(SlideShowData *ss, gpointer data)
150 {
151         LayoutWindow *lw = data;
152
153         lw->slideshow = NULL;
154         layout_status_update_info(lw, NULL);
155 }
156
157 void layout_image_slideshow_start(LayoutWindow *lw)
158 {
159         CollectionData *cd;
160         CollectInfo *info;
161
162         if (!layout_valid(&lw)) return;
163         if (lw->slideshow) return;
164
165         cd = image_get_collection(lw->image, &info);
166
167         if (cd && info)
168                 {
169                 lw->slideshow = slideshow_start_from_collection(lw, NULL, cd,
170                                 layout_image_slideshow_stop_func, lw, info);
171                 }
172         else
173                 {
174                 lw->slideshow = slideshow_start(lw,
175                                 layout_list_get_index(lw, layout_image_get_fd(lw)),
176                                 layout_image_slideshow_stop_func, lw);
177                 }
178
179         layout_status_update_info(lw, NULL);
180 }
181
182 /* note that slideshow will take ownership of the list, do not free it */
183 void layout_image_slideshow_start_from_list(LayoutWindow *lw, GList *list)
184 {
185         if (!layout_valid(&lw)) return;
186
187         if (lw->slideshow || !list)
188                 {
189                 filelist_free(list);
190                 return;
191                 }
192
193         lw->slideshow = slideshow_start_from_filelist(lw, NULL, list,
194                                                        layout_image_slideshow_stop_func, lw);
195
196         layout_status_update_info(lw, NULL);
197 }
198
199 void layout_image_slideshow_stop(LayoutWindow *lw)
200 {
201         if (!layout_valid(&lw)) return;
202
203         if (!lw->slideshow) return;
204
205         slideshow_free(lw->slideshow);
206         /* the stop_func sets lw->slideshow to NULL for us */
207 }
208
209 void layout_image_slideshow_toggle(LayoutWindow *lw)
210 {
211         if (!layout_valid(&lw)) return;
212
213         if (lw->slideshow)
214                 {
215                 layout_image_slideshow_stop(lw);
216                 }
217         else
218                 {
219                 layout_image_slideshow_start(lw);
220                 }
221 }
222
223 gboolean layout_image_slideshow_active(LayoutWindow *lw)
224 {
225         if (!layout_valid(&lw)) return FALSE;
226
227         return (lw->slideshow != NULL);
228 }
229
230 gboolean layout_image_slideshow_pause_toggle(LayoutWindow *lw)
231 {
232         gboolean ret;
233
234         if (!layout_valid(&lw)) return FALSE;
235
236         ret = slideshow_pause_toggle(lw->slideshow);
237
238         layout_status_update_info(lw, NULL);
239
240         return ret;
241 }
242
243 gboolean layout_image_slideshow_paused(LayoutWindow *lw)
244 {
245         if (!layout_valid(&lw)) return FALSE;
246
247         return (slideshow_paused(lw->slideshow));
248 }
249
250 static gboolean layout_image_slideshow_continue_check(LayoutWindow *lw)
251 {
252         if (!lw->slideshow) return FALSE;
253
254         if (!slideshow_should_continue(lw->slideshow))
255                 {
256                 layout_image_slideshow_stop(lw);
257                 return FALSE;
258                 }
259
260         return TRUE;
261 }
262
263 /*
264  *----------------------------------------------------------------------------
265  * pop-up menus
266  *----------------------------------------------------------------------------
267  */
268
269 static void li_pop_menu_zoom_in_cb(GtkWidget *widget, gpointer data)
270 {
271         LayoutWindow *lw = data;
272
273         layout_image_zoom_adjust(lw, get_zoom_increment(), FALSE);
274 }
275
276 static void li_pop_menu_zoom_out_cb(GtkWidget *widget, gpointer data)
277 {
278         LayoutWindow *lw = data;
279         layout_image_zoom_adjust(lw, -get_zoom_increment(), FALSE);
280 }
281
282 static void li_pop_menu_zoom_1_1_cb(GtkWidget *widget, gpointer data)
283 {
284         LayoutWindow *lw = data;
285
286         layout_image_zoom_set(lw, 1.0, FALSE);
287 }
288
289 static void li_pop_menu_zoom_fit_cb(GtkWidget *widget, gpointer data)
290 {
291         LayoutWindow *lw = data;
292
293         layout_image_zoom_set(lw, 0.0, FALSE);
294 }
295
296 static void li_pop_menu_edit_cb(GtkWidget *widget, gpointer data)
297 {
298         LayoutWindow *lw;
299         const gchar *key = data;
300
301         lw = submenu_item_get_data(widget);
302
303         if (!editor_window_flag_set(key))
304                 {
305                 layout_image_full_screen_stop(lw);
306                 }
307         file_util_start_editor_from_file(key, layout_image_get_fd(lw), lw->window);
308 }
309
310 static void li_pop_menu_wallpaper_cb(GtkWidget *widget, gpointer data)
311 {
312         LayoutWindow *lw = data;
313
314         layout_image_to_root(lw);
315 }
316
317 static void li_pop_menu_alter_cb(GtkWidget *widget, gpointer data)
318 {
319         LayoutWindow *lw = data;
320         AlterType type;
321
322         lw = submenu_item_get_data(widget);
323         type = (AlterType)GPOINTER_TO_INT(data);
324
325         image_alter_orientation(lw->image, type);
326 }
327
328 static void li_pop_menu_new_cb(GtkWidget *widget, gpointer data)
329 {
330         LayoutWindow *lw = data;
331
332         view_window_new(layout_image_get_fd(lw));
333 }
334
335 static GtkWidget *li_pop_menu_click_parent(GtkWidget *widget, LayoutWindow *lw)
336 {
337         GtkWidget *menu;
338         GtkWidget *parent;
339
340         menu = gtk_widget_get_toplevel(widget);
341         if (!menu) return NULL;
342
343         parent = g_object_get_data(G_OBJECT(menu), "click_parent");
344
345         if (!parent && lw->full_screen)
346                 {
347                 parent = lw->full_screen->imd->widget;
348                 }
349
350         return parent;
351 }
352
353 static void li_pop_menu_copy_cb(GtkWidget *widget, gpointer data)
354 {
355         LayoutWindow *lw = data;
356
357         file_util_copy(layout_image_get_fd(lw), NULL, NULL,
358                        li_pop_menu_click_parent(widget, lw));
359 }
360
361 static void li_pop_menu_copy_path_cb(GtkWidget *widget, gpointer data)
362 {
363         LayoutWindow *lw = data;
364
365         file_util_copy_path_to_clipboard(layout_image_get_fd(lw));
366 }
367
368 static void li_pop_menu_move_cb(GtkWidget *widget, gpointer data)
369 {
370         LayoutWindow *lw = data;
371
372         file_util_move(layout_image_get_fd(lw), NULL, NULL,
373                        li_pop_menu_click_parent(widget, lw));
374 }
375
376 static void li_pop_menu_rename_cb(GtkWidget *widget, gpointer data)
377 {
378         LayoutWindow *lw = data;
379
380         file_util_rename(layout_image_get_fd(lw), NULL,
381                          li_pop_menu_click_parent(widget, lw));
382 }
383
384 static void li_pop_menu_delete_cb(GtkWidget *widget, gpointer data)
385 {
386         LayoutWindow *lw = data;
387
388         file_util_delete(layout_image_get_fd(lw), NULL,
389                          li_pop_menu_click_parent(widget, lw));
390 }
391
392 static void li_pop_menu_slide_start_cb(GtkWidget *widget, gpointer data)
393 {
394         LayoutWindow *lw = data;
395
396         layout_image_slideshow_start(lw);
397 }
398
399 static void li_pop_menu_slide_stop_cb(GtkWidget *widget, gpointer data)
400 {
401         LayoutWindow *lw = data;
402
403         layout_image_slideshow_stop(lw);
404 }
405
406 static void li_pop_menu_slide_pause_cb(GtkWidget *widget, gpointer data)
407 {
408         LayoutWindow *lw = data;
409
410         layout_image_slideshow_pause_toggle(lw);
411 }
412
413 static void li_pop_menu_full_screen_cb(GtkWidget *widget, gpointer data)
414 {
415         LayoutWindow *lw = data;
416
417         layout_image_full_screen_toggle(lw);
418 }
419
420 static void li_pop_menu_hide_cb(GtkWidget *widget, gpointer data)
421 {
422         LayoutWindow *lw = data;
423
424         layout_tools_hide_toggle(lw);
425 }
426
427 static void li_set_layout_path_cb(GtkWidget *widget, gpointer data)
428 {
429         LayoutWindow *lw = data;
430         FileData *fd;
431
432         if (!layout_valid(&lw)) return;
433
434         fd = layout_image_get_fd(lw);
435         if (fd) layout_set_fd(lw, fd);
436 }
437
438 static gboolean li_check_if_current_path(LayoutWindow *lw, const gchar *path)
439 {
440         gchar *dirname;
441         gboolean ret;
442
443         if (!path || !layout_valid(&lw) || !lw->dir_fd) return FALSE;
444
445         dirname = g_path_get_dirname(path);
446         ret = (strcmp(lw->dir_fd->path, dirname) == 0);
447         g_free(dirname);
448         return ret;
449 }
450
451 static void layout_image_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
452 {
453         GList *editmenu_fd_list = data;
454
455         filelist_free(editmenu_fd_list);
456 }
457
458 static GList *layout_image_get_fd_list(LayoutWindow *lw)
459 {
460         GList *list = NULL;
461         FileData *fd = layout_image_get_fd(lw);
462
463         if (fd)
464                 {
465                 if (lw->vf)
466                         /* optionally include sidecars if the filelist entry is not expanded */
467                         list = vf_selection_get_one(lw->vf, fd);
468                 else
469                         list = g_list_append(NULL, file_data_ref(fd));
470                 }
471         
472         return list;
473 }
474
475 static GtkWidget *layout_image_pop_menu(LayoutWindow *lw)
476 {
477         GtkWidget *menu;
478         GtkWidget *item;
479         GtkWidget *submenu;
480         const gchar *path;
481         gboolean fullscreen;
482         GList *editmenu_fd_list;
483
484         path = layout_image_get_path(lw);
485         fullscreen = layout_image_full_screen_active(lw);
486
487         menu = popup_menu_short_lived();
488
489         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(li_pop_menu_zoom_in_cb), lw);
490         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(li_pop_menu_zoom_out_cb), lw);
491         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(li_pop_menu_zoom_1_1_cb), lw);
492         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(li_pop_menu_zoom_fit_cb), lw);
493         menu_item_add_divider(menu);
494
495         editmenu_fd_list = layout_image_get_fd_list(lw);
496         g_signal_connect(G_OBJECT(menu), "destroy",
497                          G_CALLBACK(layout_image_popup_menu_destroy_cb), editmenu_fd_list);
498         submenu = submenu_add_edit(menu, &item, G_CALLBACK(li_pop_menu_edit_cb), lw, editmenu_fd_list);
499         if (!path) gtk_widget_set_sensitive(item, FALSE);
500         menu_item_add_divider(submenu);
501         menu_item_add(submenu, _("Set as _wallpaper"), G_CALLBACK(li_pop_menu_wallpaper_cb), lw);
502
503         item = submenu_add_alter(menu, G_CALLBACK(li_pop_menu_alter_cb), lw);
504
505         item = menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(li_pop_menu_new_cb), lw);
506         if (!path || fullscreen) gtk_widget_set_sensitive(item, FALSE);
507
508         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(li_set_layout_path_cb), lw);
509         if (!path || li_check_if_current_path(lw, path)) gtk_widget_set_sensitive(item, FALSE);
510
511         menu_item_add_divider(menu);
512
513         item = menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(li_pop_menu_copy_cb), lw);
514         if (!path) gtk_widget_set_sensitive(item, FALSE);
515         item = menu_item_add(menu, _("_Move..."), G_CALLBACK(li_pop_menu_move_cb), lw);
516         if (!path) gtk_widget_set_sensitive(item, FALSE);
517         item = menu_item_add(menu, _("_Rename..."), G_CALLBACK(li_pop_menu_rename_cb), lw);
518         if (!path) gtk_widget_set_sensitive(item, FALSE);
519         item = menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(li_pop_menu_delete_cb), lw);
520         if (!path) gtk_widget_set_sensitive(item, FALSE);
521         
522         item = menu_item_add(menu, _("_Copy path"), G_CALLBACK(li_pop_menu_copy_path_cb), lw);
523         if (!path) gtk_widget_set_sensitive(item, FALSE);
524
525         menu_item_add_divider(menu);
526
527         if (layout_image_slideshow_active(lw))
528                 {
529                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(li_pop_menu_slide_stop_cb), lw);
530                 if (layout_image_slideshow_paused(lw))
531                         {
532                         item = menu_item_add(menu, _("Continue slides_how"),
533                                              G_CALLBACK(li_pop_menu_slide_pause_cb), lw);
534                         }
535                 else
536                         {
537                         item = menu_item_add(menu, _("Pause slides_how"),
538                                              G_CALLBACK(li_pop_menu_slide_pause_cb), lw);
539                         }
540                 }
541         else
542                 {
543                 menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(li_pop_menu_slide_start_cb), lw);
544                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(li_pop_menu_slide_pause_cb), lw);
545                 gtk_widget_set_sensitive(item, FALSE);
546                 }
547
548         if (!fullscreen)
549                 {
550                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(li_pop_menu_full_screen_cb), lw);
551                 }
552         else
553                 {
554                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(li_pop_menu_full_screen_cb), lw);
555                 }
556
557         menu_item_add_divider(menu);
558
559         item = menu_item_add_check(menu, _("Hide file _list"), lw->options.tools_hidden,
560                                    G_CALLBACK(li_pop_menu_hide_cb), lw);
561         if (fullscreen) gtk_widget_set_sensitive(item, FALSE);
562
563         return menu;
564 }
565
566 static void layout_image_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
567 {
568         LayoutWindow *lw = data;
569
570         gdk_window_get_origin(lw->image->pr->window, x, y);
571         popup_menu_position_clamp(menu, x, y, 0);
572 }
573
574 void layout_image_menu_popup(LayoutWindow *lw)
575 {
576         GtkWidget *menu;
577
578         menu = layout_image_pop_menu(lw);
579         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, layout_image_menu_pos_cb, lw, 0, GDK_CURRENT_TIME);
580 }
581
582 /*
583  *----------------------------------------------------------------------------
584  * dnd
585  *----------------------------------------------------------------------------
586  */
587
588 static void layout_image_dnd_receive(GtkWidget *widget, GdkDragContext *context,
589                                      gint x, gint y,
590                                      GtkSelectionData *selection_data, guint info,
591                                      guint time, gpointer data)
592 {
593         LayoutWindow *lw = data;
594         gint i;
595
596
597         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
598                 {
599                 if (lw->split_images[i] && lw->split_images[i]->pr == widget)
600                         break;
601                 }
602         if (i < MAX_SPLIT_IMAGES)
603                 {
604                 DEBUG_1("dnd image activate %d", i);
605                 layout_image_activate(lw, i, FALSE);
606                 }
607
608
609         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
610                 {
611                 CollectionData *source;
612                 GList *list;
613                 GList *info_list;
614
615                 if (info == TARGET_URI_LIST)
616                         {
617                         list = uri_filelist_from_text((gchar *)gtk_selection_data_get_data(selection_data), TRUE);
618                         source = NULL;
619                         info_list = NULL;
620                         }
621                 else
622                         {
623                         source = collection_from_dnd_data((gchar *)gtk_selection_data_get_data(selection_data), &list, &info_list);
624                         }
625
626                 if (list)
627                         {
628                         FileData *fd = list->data;
629
630                         if (isfile(fd->path))
631                                 {
632                                 gchar *base;
633                                 gint row;
634                                 FileData *dir_fd;
635
636                                 base = remove_level_from_path(fd->path);
637                                 dir_fd = file_data_new_dir(base);
638                                 if (dir_fd != lw->dir_fd)
639                                         {
640                                         layout_set_fd(lw, dir_fd);
641                                         }
642                                 file_data_unref(dir_fd);
643                                 g_free(base);
644
645                                 row = layout_list_get_index(lw, fd);
646                                 if (source && info_list)
647                                         {
648                                         layout_image_set_collection(lw, source, info_list->data);
649                                         }
650                                 else if (row == -1)
651                                         {
652                                         layout_image_set_fd(lw, fd);
653                                         }
654                                 else
655                                         {
656                                         layout_image_set_index(lw, row);
657                                         }
658                                 }
659                         else if (isdir(fd->path))
660                                 {
661                                 layout_set_fd(lw, fd);
662                                 layout_image_set_fd(lw, NULL);
663                                 }
664                         }
665
666                 filelist_free(list);
667                 g_list_free(info_list);
668                 }
669 }
670
671 static void layout_image_dnd_get(GtkWidget *widget, GdkDragContext *context,
672                                  GtkSelectionData *selection_data, guint info,
673                                  guint time, gpointer data)
674 {
675         LayoutWindow *lw = data;
676         FileData *fd;
677         gint i;
678
679
680         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
681                 {
682                 if (lw->split_images[i] && lw->split_images[i]->pr == widget)
683                         break;
684                 }
685         if (i < MAX_SPLIT_IMAGES)
686                 {
687                 DEBUG_1("dnd get from %d", i);
688                 fd = image_get_fd(lw->split_images[i]);
689                 }
690         else
691                 fd = layout_image_get_fd(lw);
692
693         if (fd)
694                 {
695                 gchar *text = NULL;
696                 gint len;
697                 gboolean plain_text;
698                 GList *list;
699
700                 switch (info)
701                         {
702                         case TARGET_URI_LIST:
703                                 plain_text = FALSE;
704                                 break;
705                         case TARGET_TEXT_PLAIN:
706                         default:
707                                 plain_text = TRUE;
708                                 break;
709                         }
710                 list = g_list_append(NULL, fd);
711                 text = uri_text_from_filelist(list, &len, plain_text);
712                 g_list_free(list);
713                 if (text)
714                         {
715                         gtk_selection_data_set_text(selection_data, text, len);
716                         g_free(text);
717                         }
718                 }
719         else
720                 {
721                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
722                                        8, NULL, 0);
723                 }
724 }
725
726 static void layout_image_dnd_end(GtkWidget *widget, GdkDragContext *context, gpointer data)
727 {
728         LayoutWindow *lw = data;
729         if (gdk_drag_context_get_selected_action(context) == GDK_ACTION_MOVE)
730                 {
731                 FileData *fd;
732                 gint row;
733
734                 fd = layout_image_get_fd(lw);
735                 row = layout_list_get_index(lw, fd);
736                 if (row < 0) return;
737
738                 if (!isfile(fd->path))
739                         {
740                         if ((guint) row < layout_list_count(lw, NULL) - 1)
741                                 {
742                                 layout_image_next(lw);
743                                 }
744                         else
745                                 {
746                                 layout_image_prev(lw);
747                                 }
748                         }
749                 layout_refresh(lw);
750                 }
751 }
752
753 static void layout_image_dnd_init(LayoutWindow *lw, gint i)
754 {
755         ImageWindow *imd = lw->split_images[i];
756
757         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
758                             dnd_file_drag_types, dnd_file_drag_types_count,
759                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
760         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
761                          G_CALLBACK(layout_image_dnd_get), lw);
762         g_signal_connect(G_OBJECT(imd->pr), "drag_end",
763                          G_CALLBACK(layout_image_dnd_end), lw);
764
765         gtk_drag_dest_set(imd->pr,
766                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
767                           dnd_file_drop_types, dnd_file_drop_types_count,
768                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
769         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
770                          G_CALLBACK(layout_image_dnd_receive), lw);
771 }
772
773
774 /*
775  *----------------------------------------------------------------------------
776  * misc
777  *----------------------------------------------------------------------------
778  */
779
780 void layout_image_to_root(LayoutWindow *lw)
781 {
782         image_to_root_window(lw->image, (image_zoom_get(lw->image) == 0));
783 }
784
785 /*
786  *----------------------------------------------------------------------------
787  * manipulation + accessors
788  *----------------------------------------------------------------------------
789  */
790
791 void layout_image_scroll(LayoutWindow *lw, gint x, gint y, gboolean connect_scroll)
792 {
793         gdouble dx, dy;
794         gint width, height, i;
795         if (!layout_valid(&lw)) return;
796
797         image_scroll(lw->image, x, y);
798
799         if (!connect_scroll) return;
800
801         image_get_image_size(lw->image, &width, &height);
802         dx = (gdouble) x / width;
803         dy = (gdouble) y / height;
804         
805         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
806                 {
807                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
808                         {
809                         gdouble sx, sy;
810                         image_get_scroll_center(lw->split_images[i], &sx, &sy);
811                         sx += dx;
812                         sy += dy;
813                         image_set_scroll_center(lw->split_images[i], sx, sy);
814                         }
815                 }
816
817 }
818
819 void layout_image_zoom_adjust(LayoutWindow *lw, gdouble increment, gboolean connect_zoom)
820 {
821         gint i;
822         if (!layout_valid(&lw)) return;
823
824         image_zoom_adjust(lw->image, increment);
825
826         if (!connect_zoom) return;
827
828         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
829                 {
830                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
831                         image_zoom_adjust(lw->split_images[i], increment); ;
832                 }
833 }
834
835 void layout_image_zoom_adjust_at_point(LayoutWindow *lw, gdouble increment, gint x, gint y, gboolean connect_zoom)
836 {
837         gint i;
838         if (!layout_valid(&lw)) return;
839
840         image_zoom_adjust_at_point(lw->image, increment, x, y);
841
842         if (!connect_zoom) return;
843
844         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
845                 {
846                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
847                         image_zoom_adjust_at_point(lw->split_images[i], increment, x, y);
848                 }
849 }
850
851 void layout_image_zoom_set(LayoutWindow *lw, gdouble zoom, gboolean connect_zoom)
852 {
853         gint i;
854         if (!layout_valid(&lw)) return;
855
856         image_zoom_set(lw->image, zoom);
857
858         if (!connect_zoom) return;
859
860         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
861                 {
862                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
863                         image_zoom_set(lw->split_images[i], zoom);
864                 }
865 }
866
867 void layout_image_zoom_set_fill_geometry(LayoutWindow *lw, gboolean vertical, gboolean connect_zoom)
868 {
869         gint i;
870         if (!layout_valid(&lw)) return;
871
872         image_zoom_set_fill_geometry(lw->image, vertical);
873
874         if (!connect_zoom) return;
875
876         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
877                 {
878                 if (lw->split_images[i] && lw->split_images[i] != lw->image)
879                         image_zoom_set_fill_geometry(lw->split_images[i], vertical);
880                 }
881 }
882
883 void layout_image_alter_orientation(LayoutWindow *lw, AlterType type)
884 {
885         if (!layout_valid(&lw)) return;
886
887         image_alter_orientation(lw->image, type);
888 }
889
890 void layout_image_set_desaturate(LayoutWindow *lw, gboolean desaturate)
891 {
892         if (!layout_valid(&lw)) return;
893
894         image_set_desaturate(lw->image, desaturate);
895 }
896
897 gboolean layout_image_get_desaturate(LayoutWindow *lw)
898 {
899         if (!layout_valid(&lw)) return FALSE;
900
901         return image_get_desaturate(lw->image);
902 }
903
904 /* stereo */
905 /*
906 gint layout_image_stereo_get(LayoutWindow *lw)
907 {
908         if (!layout_valid(&lw)) return 0;
909
910         return image_stereo_get(lw->image);
911 }
912
913 void layout_image_stereo_set(LayoutWindow *lw, gint stereo_mode)
914 {
915         if (!layout_valid(&lw)) return;
916
917         image_stereo_set(lw->image, stereo_mode);
918 }
919 void layout_image_stereo_swap(LayoutWindow *lw)
920 {
921         if (!layout_valid(&lw)) return;
922
923         image_stereo_swap(lw->image);
924 }
925 */
926
927 gint layout_image_stereo_pixbuf_get(LayoutWindow *lw)
928 {
929         if (!layout_valid(&lw)) return 0;
930
931         return image_stereo_pixbuf_get(lw->image);
932 }
933
934 void layout_image_stereo_pixbuf_set(LayoutWindow *lw, gint stereo_mode)
935 {
936         if (!layout_valid(&lw)) return;
937
938         image_stereo_pixbuf_set(lw->image, stereo_mode);
939 }
940
941 const gchar *layout_image_get_path(LayoutWindow *lw)
942 {
943         if (!layout_valid(&lw)) return NULL;
944
945         return image_get_path(lw->image);
946 }
947
948 const gchar *layout_image_get_name(LayoutWindow *lw)
949 {
950         if (!layout_valid(&lw)) return NULL;
951
952         return image_get_name(lw->image);
953 }
954
955 FileData *layout_image_get_fd(LayoutWindow *lw)
956 {
957         if (!layout_valid(&lw)) return NULL;
958
959         return image_get_fd(lw->image);
960 }
961
962 CollectionData *layout_image_get_collection(LayoutWindow *lw, CollectInfo **info)
963 {
964         if (!layout_valid(&lw)) return NULL;
965
966         return image_get_collection(lw->image, info);
967 }
968
969 gint layout_image_get_index(LayoutWindow *lw)
970 {
971         return layout_list_get_index(lw, image_get_fd(lw->image));
972 }
973
974 /*
975  *----------------------------------------------------------------------------
976  * image changers
977  *----------------------------------------------------------------------------
978  */
979
980 void layout_image_set_fd(LayoutWindow *lw, FileData *fd)
981 {
982         if (!layout_valid(&lw)) return;
983
984         image_change_fd(lw->image, fd, image_zoom_get_default(lw->image));
985
986         layout_list_sync_fd(lw, fd);
987         layout_image_slideshow_continue_check(lw);
988         layout_bars_new_image(lw);
989 }
990
991 void layout_image_set_with_ahead(LayoutWindow *lw, FileData *fd, FileData *read_ahead_fd)
992 {
993         if (!layout_valid(&lw)) return;
994
995 /*
996 This should be handled at the caller: in vflist_select_image
997         if (path)
998                 {
999                 const gchar *old_path;
1000
1001                 old_path = layout_image_get_path(lw);
1002                 if (old_path && strcmp(path, old_path) == 0) return;
1003                 }
1004 */
1005         layout_image_set_fd(lw, fd);
1006         if (options->image.enable_read_ahead) image_prebuffer_set(lw->image, read_ahead_fd);
1007 }
1008
1009 void layout_image_set_index(LayoutWindow *lw, gint index)
1010 {
1011         FileData *fd;
1012         FileData *read_ahead_fd;
1013         gint old;
1014
1015         if (!layout_valid(&lw)) return;
1016
1017         old = layout_list_get_index(lw, layout_image_get_fd(lw));
1018         fd = layout_list_get_fd(lw, index);
1019
1020         if (old > index)
1021                 {
1022                 read_ahead_fd = layout_list_get_fd(lw, index - 1);
1023                 }
1024         else
1025                 {
1026                 read_ahead_fd = layout_list_get_fd(lw, index + 1);
1027                 }
1028
1029         if (layout_selection_count(lw, 0) > 1)
1030                 {
1031                 GList *x = layout_selection_list_by_index(lw);
1032                 GList *y;
1033                 GList *last;
1034
1035                 for (last = y = x; y; y = y->next)
1036                         last = y;
1037                 for (y = x; y && (GPOINTER_TO_INT(y->data)) != index; y = y->next)
1038                         ;
1039
1040                 if (y)
1041                         {
1042                         gint newindex;
1043
1044                         if ((index > old && (index != GPOINTER_TO_INT(last->data) || old != GPOINTER_TO_INT(x->data)))
1045                             || (old == GPOINTER_TO_INT(last->data) && index == GPOINTER_TO_INT(x->data)))
1046                                 {
1047                                 if (y->next)
1048                                         newindex = GPOINTER_TO_INT(y->next->data);
1049                                 else
1050                                         newindex = GPOINTER_TO_INT(x->data);
1051                                 }
1052                         else
1053                                 {
1054                                 if (y->prev)
1055                                         newindex = GPOINTER_TO_INT(y->prev->data);
1056                                 else
1057                                         newindex = GPOINTER_TO_INT(last->data);
1058                                 }
1059
1060                         read_ahead_fd = layout_list_get_fd(lw, newindex);
1061                         }
1062
1063                 while (x)
1064                         x = g_list_remove(x, x->data);
1065                 }
1066
1067         layout_image_set_with_ahead(lw, fd, read_ahead_fd);
1068 }
1069
1070 static void layout_image_set_collection_real(LayoutWindow *lw, CollectionData *cd, CollectInfo *info, gboolean forward)
1071 {
1072         if (!layout_valid(&lw)) return;
1073
1074         image_change_from_collection(lw->image, cd, info, image_zoom_get_default(lw->image));
1075         if (options->image.enable_read_ahead)
1076                 {
1077                 CollectInfo *r_info;
1078                 if (forward)
1079                         {
1080                         r_info = collection_next_by_info(cd, info);
1081                         if (!r_info) r_info = collection_prev_by_info(cd, info);
1082                         }
1083                 else
1084                         {
1085                         r_info = collection_prev_by_info(cd, info);
1086                         if (!r_info) r_info = collection_next_by_info(cd, info);
1087                         }
1088                 if (r_info) image_prebuffer_set(lw->image, r_info->fd);
1089                 }
1090
1091         layout_image_slideshow_continue_check(lw);
1092         layout_bars_new_image(lw);
1093 }
1094
1095 void layout_image_set_collection(LayoutWindow *lw, CollectionData *cd, CollectInfo *info)
1096 {
1097         layout_image_set_collection_real(lw, cd, info, TRUE);
1098         layout_list_sync_fd(lw, layout_image_get_fd(lw));
1099 }
1100
1101 void layout_image_refresh(LayoutWindow *lw)
1102 {
1103         if (!layout_valid(&lw)) return;
1104
1105         image_reload(lw->image);
1106 }
1107
1108 void layout_image_color_profile_set(LayoutWindow *lw,
1109                                     gint input_type,
1110                                     gboolean use_image)
1111 {
1112         if (!layout_valid(&lw)) return;
1113
1114         image_color_profile_set(lw->image, input_type, use_image);
1115 }
1116
1117 gboolean layout_image_color_profile_get(LayoutWindow *lw,
1118                                         gint *input_type,
1119                                         gboolean *use_image)
1120 {
1121         if (!layout_valid(&lw)) return FALSE;
1122
1123         return image_color_profile_get(lw->image, input_type, use_image);
1124 }
1125
1126 void layout_image_color_profile_set_use(LayoutWindow *lw, gboolean enable)
1127 {
1128         if (!layout_valid(&lw)) return;
1129
1130         image_color_profile_set_use(lw->image, enable);
1131 }
1132
1133 gboolean layout_image_color_profile_get_use(LayoutWindow *lw)
1134 {
1135         if (!layout_valid(&lw)) return FALSE;
1136
1137         return image_color_profile_get_use(lw->image);
1138 }
1139
1140 gboolean layout_image_color_profile_get_status(LayoutWindow *lw, gchar **image_profile, gchar **screen_profile)
1141 {
1142         if (!layout_valid(&lw)) return FALSE;
1143
1144         return image_color_profile_get_status(lw->image, image_profile, screen_profile);
1145 }
1146
1147 /*
1148  *----------------------------------------------------------------------------
1149  * list walkers
1150  *----------------------------------------------------------------------------
1151  */
1152
1153 void layout_image_next(LayoutWindow *lw)
1154 {
1155         gint current;
1156         CollectionData *cd;
1157         CollectInfo *info;
1158
1159         if (!layout_valid(&lw)) return;
1160
1161         if (layout_image_slideshow_active(lw))
1162                 {
1163                 layout_image_slideshow_next(lw);
1164                 return;
1165                 }
1166
1167         if (layout_selection_count(lw, 0) > 1)
1168                 {
1169                 GList *x = layout_selection_list_by_index(lw);
1170                 gint old = layout_list_get_index(lw, layout_image_get_fd(lw));
1171                 GList *y;
1172
1173                 for (y = x; y && (GPOINTER_TO_INT(y->data)) != old; y = y->next)
1174                         ;
1175                 if (y)
1176                         {
1177                         if (y->next)
1178                                 layout_image_set_index(lw, GPOINTER_TO_INT(y->next->data));
1179                         else
1180                                 layout_image_set_index(lw, GPOINTER_TO_INT(x->data));
1181                         }
1182                 while (x)
1183                         x = g_list_remove(x, x->data);
1184                 if (y) /* not dereferenced */
1185                         return;
1186                 }
1187
1188         cd = image_get_collection(lw->image, &info);
1189
1190         if (cd && info)
1191                 {
1192                 info = collection_next_by_info(cd, info);
1193                 if (info)
1194                         {
1195                         layout_image_set_collection_real(lw, cd, info, TRUE);
1196                         }
1197                 else
1198                         {
1199                         image_osd_icon(lw->image, IMAGE_OSD_LAST, -1);
1200                         }
1201                 return;
1202                 }
1203
1204         current = layout_image_get_index(lw);
1205
1206         if (current >= 0)
1207                 {
1208                 if ((guint) current < layout_list_count(lw, NULL) - 1)
1209                         {
1210                         layout_image_set_index(lw, current + 1);
1211                         }
1212                 else
1213                         {
1214                         image_osd_icon(lw->image, IMAGE_OSD_LAST, -1);
1215                         }
1216                 }
1217         else
1218                 {
1219                 layout_image_set_index(lw, 0);
1220                 }
1221 }
1222
1223 void layout_image_prev(LayoutWindow *lw)
1224 {
1225         gint current;
1226         CollectionData *cd;
1227         CollectInfo *info;
1228
1229         if (!layout_valid(&lw)) return;
1230
1231         if (layout_image_slideshow_active(lw))
1232                 {
1233                 layout_image_slideshow_prev(lw);
1234                 return;
1235                 }
1236
1237         if (layout_selection_count(lw, 0) > 1)
1238                 {
1239                 GList *x = layout_selection_list_by_index(lw);
1240                 gint old = layout_list_get_index(lw, layout_image_get_fd(lw));
1241                 GList *y;
1242                 GList *last;
1243
1244                 for (last = y = x; y; y = y->next)
1245                         last = y;
1246                 for (y = x; y && (GPOINTER_TO_INT(y->data)) != old; y = y->next)
1247                         ;
1248                 if (y)
1249                         {
1250                         if (y->prev)
1251                                 layout_image_set_index(lw, GPOINTER_TO_INT(y->prev->data));
1252                         else
1253                                 layout_image_set_index(lw, GPOINTER_TO_INT(last->data));
1254                         }
1255                 while (x)
1256                         x = g_list_remove(x, x->data);
1257                 if (y) /* not dereferenced */
1258                         return;
1259                 }
1260
1261         cd = image_get_collection(lw->image, &info);
1262
1263         if (cd && info)
1264                 {
1265                 info = collection_prev_by_info(cd, info);
1266                 if (info)
1267                         {
1268                         layout_image_set_collection_real(lw, cd, info, FALSE);
1269                         }
1270                 else
1271                         {
1272                         image_osd_icon(lw->image, IMAGE_OSD_FIRST, -1);
1273                         }
1274                 return;
1275                 }
1276
1277         current = layout_image_get_index(lw);
1278
1279         if (current >= 0)
1280                 {
1281                 if (current > 0)
1282                         {
1283                         layout_image_set_index(lw, current - 1);
1284                         }
1285                 else
1286                         {
1287                         image_osd_icon(lw->image, IMAGE_OSD_FIRST, -1);
1288                         }
1289                 }
1290         else
1291                 {
1292                 layout_image_set_index(lw, layout_list_count(lw, NULL) - 1);
1293                 }
1294 }
1295
1296 void layout_image_first(LayoutWindow *lw)
1297 {
1298         gint current;
1299         CollectionData *cd;
1300         CollectInfo *info;
1301
1302         if (!layout_valid(&lw)) return;
1303
1304         cd = image_get_collection(lw->image, &info);
1305
1306         if (cd && info)
1307                 {
1308                 CollectInfo *new;
1309                 new = collection_get_first(cd);
1310                 if (new != info) layout_image_set_collection_real(lw, cd, new, TRUE);
1311                 return;
1312                 }
1313
1314         current = layout_image_get_index(lw);
1315         if (current != 0 && layout_list_count(lw, NULL) > 0)
1316                 {
1317                 layout_image_set_index(lw, 0);
1318                 }
1319 }
1320
1321 void layout_image_last(LayoutWindow *lw)
1322 {
1323         gint current;
1324         gint count;
1325         CollectionData *cd;
1326         CollectInfo *info;
1327
1328         if (!layout_valid(&lw)) return;
1329
1330         cd = image_get_collection(lw->image, &info);
1331
1332         if (cd && info)
1333                 {
1334                 CollectInfo *new;
1335                 new = collection_get_last(cd);
1336                 if (new != info) layout_image_set_collection_real(lw, cd, new, FALSE);
1337                 return;
1338                 }
1339
1340         current = layout_image_get_index(lw);
1341         count = layout_list_count(lw, NULL);
1342         if (current != count - 1 && count > 0)
1343                 {
1344                 layout_image_set_index(lw, count - 1);
1345                 }
1346 }
1347
1348 /*
1349  *----------------------------------------------------------------------------
1350  * mouse callbacks
1351  *----------------------------------------------------------------------------
1352  */
1353
1354 static gint image_idx(LayoutWindow *lw, ImageWindow *imd)
1355 {
1356         gint i;
1357
1358         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
1359                 {
1360                 if (lw->split_images[i] == imd)
1361                         break;
1362                 }
1363         if (i < MAX_SPLIT_IMAGES)
1364                 {
1365                 return i;
1366                 }
1367         return -1;
1368 }
1369
1370 static void layout_image_focus_in_cb(ImageWindow *imd, gpointer data)
1371 {
1372         LayoutWindow *lw = data;
1373
1374         gint i = image_idx(lw, imd);
1375
1376         if (i != -1)
1377                 {
1378                 DEBUG_1("image activate focus_in %d", i);
1379                 layout_image_activate(lw, i, FALSE);
1380                 }
1381 }
1382
1383
1384 static void layout_image_button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
1385 {
1386         LayoutWindow *lw = data;
1387         GtkWidget *menu;
1388
1389         switch (event->button)
1390                 {
1391                 case MOUSE_BUTTON_LEFT:
1392                         if (lw->split_mode == SPLIT_NONE)
1393                                 layout_image_next(lw);
1394                         break;
1395                 case MOUSE_BUTTON_MIDDLE:
1396                         if (lw->split_mode == SPLIT_NONE)
1397                                 layout_image_prev(lw);
1398                         break;
1399                 case MOUSE_BUTTON_RIGHT:
1400                         menu = layout_image_pop_menu(lw);
1401                         if (imd == lw->image)
1402                                 {
1403                                 g_object_set_data(G_OBJECT(menu), "click_parent", imd->widget);
1404                                 }
1405                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
1406                         break;
1407                 default:
1408                         break;
1409                 }
1410 }
1411
1412 static void layout_image_scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
1413 {
1414         LayoutWindow *lw = data;
1415
1416         gint i = image_idx(lw, imd);
1417
1418         if (i != -1)
1419                 {
1420                 DEBUG_1("image activate scroll %d", i);
1421                 layout_image_activate(lw, i, FALSE);
1422                 }
1423
1424
1425         if (event->state & GDK_CONTROL_MASK)
1426                 {
1427                 switch (event->direction)
1428                         {
1429                         case GDK_SCROLL_UP:
1430                                 layout_image_zoom_adjust_at_point(lw, get_zoom_increment(), event->x, event->y, event->state & GDK_SHIFT_MASK);
1431                                 break;
1432                         case GDK_SCROLL_DOWN:
1433                                 layout_image_zoom_adjust_at_point(lw, -get_zoom_increment(), event->x, event->y, event->state & GDK_SHIFT_MASK);
1434                                 break;
1435                         default:
1436                                 break;
1437                         }
1438                 }
1439         else if (options->mousewheel_scrolls)
1440                 {
1441                 switch (event->direction)
1442                         {
1443                         case GDK_SCROLL_UP:
1444                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
1445                                 break;
1446                         case GDK_SCROLL_DOWN:
1447                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
1448                                 break;
1449                         case GDK_SCROLL_LEFT:
1450                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
1451                                 break;
1452                         case GDK_SCROLL_RIGHT:
1453                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
1454                                 break;
1455                         default:
1456                                 break;
1457                         }
1458                 }
1459         else
1460                 {
1461                 switch (event->direction)
1462                         {
1463                         case GDK_SCROLL_UP:
1464                                 layout_image_prev(lw);
1465                                 break;
1466                         case GDK_SCROLL_DOWN:
1467                                 layout_image_next(lw);
1468                                 break;
1469                         default:
1470                                 break;
1471                         }
1472                 }
1473 }
1474
1475 static void layout_image_drag_cb(ImageWindow *imd, GdkEventButton *event, gdouble dx, gdouble dy, gpointer data)
1476 {
1477         gint i;
1478         LayoutWindow *lw = data;
1479
1480         if (!(event->state & GDK_SHIFT_MASK)) return;
1481
1482         for (i = 0; i < MAX_SPLIT_IMAGES; i++)
1483                 {
1484                 if (lw->split_images[i] && lw->split_images[i] != imd)
1485                         {
1486                         gdouble sx, sy;
1487
1488                         if (event->state & GDK_CONTROL_MASK)
1489                                 {
1490                                 image_get_scroll_center(imd, &sx, &sy);
1491                                 }
1492                         else
1493                                 {
1494                                 image_get_scroll_center(lw->split_images[i], &sx, &sy);
1495                                 sx += dx;
1496                                 sy += dy;
1497                                 }
1498                         image_set_scroll_center(lw->split_images[i], sx, sy);
1499                         }
1500                 }
1501 }
1502
1503 static void layout_image_button_inactive_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
1504 {
1505         LayoutWindow *lw = data;
1506         GtkWidget *menu;
1507         gint i = image_idx(lw, imd);
1508
1509         if (i != -1)
1510                 {
1511                 layout_image_activate(lw, i, FALSE);
1512                 }
1513
1514         switch (event->button)
1515                 {
1516                 case MOUSE_BUTTON_RIGHT:
1517                         menu = layout_image_pop_menu(lw);
1518                         if (imd == lw->image)
1519                                 {
1520                                 g_object_set_data(G_OBJECT(menu), "click_parent", imd->widget);
1521                                 }
1522                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
1523                         break;
1524                 default:
1525                         break;
1526                 }
1527
1528 }
1529
1530 static void layout_image_drag_inactive_cb(ImageWindow *imd, GdkEventButton *event, gdouble dx, gdouble dy, gpointer data)
1531 {
1532         LayoutWindow *lw = data;
1533         gint i = image_idx(lw, imd);
1534
1535         if (i != -1)
1536                 {
1537                 layout_image_activate(lw, i, FALSE);
1538                 }
1539
1540         /* continue as with active image */
1541         layout_image_drag_cb(imd, event, dx, dy, data);
1542 }
1543
1544
1545 static void layout_image_set_buttons(LayoutWindow *lw)
1546 {
1547         image_set_button_func(lw->image, layout_image_button_cb, lw);
1548         image_set_scroll_func(lw->image, layout_image_scroll_cb, lw);
1549 }
1550
1551 static void layout_image_set_buttons_inactive(LayoutWindow *lw, gint i)
1552 {
1553         image_set_button_func(lw->split_images[i], layout_image_button_inactive_cb, lw);
1554         image_set_scroll_func(lw->split_images[i], layout_image_scroll_cb, lw);
1555 }
1556
1557 /* Returns the length of an integer */
1558 static gint num_length(gint num)
1559 {
1560         gint len = 0;
1561         if (num < 0) num = -num;
1562         while (num)
1563                 {
1564                 num /= 10;
1565                 len++;
1566                 }
1567         return len;
1568 }
1569
1570 void layout_status_update_pixel_cb(PixbufRenderer *pr, gpointer data)
1571 {
1572         LayoutWindow *lw = data;
1573         gint x_pixel, y_pixel;
1574         gint width, height;
1575         gchar *text;
1576         PangoAttrList *attrs;
1577
1578         if (!data || !layout_valid(&lw) || !lw->image
1579             || !lw->options.show_info_pixel || lw->image->unknown) return;
1580
1581         pixbuf_renderer_get_image_size(pr, &width, &height);
1582         if (width < 1 || height < 1) return;
1583
1584         pixbuf_renderer_get_mouse_position(pr, &x_pixel, &y_pixel);
1585         
1586         if(x_pixel >= 0 && y_pixel >= 0)
1587                 {
1588                 gint r_mouse, g_mouse, b_mouse;
1589                         
1590                 pixbuf_renderer_get_pixel_colors(pr, x_pixel, y_pixel,
1591                                                  &r_mouse, &g_mouse, &b_mouse);                 
1592                 
1593                 text = g_strdup_printf(_("[%*d,%*d]: RGB(%3d,%3d,%3d)"),
1594                                          num_length(width - 1), x_pixel,
1595                                          num_length(height - 1), y_pixel,
1596                                          r_mouse, g_mouse, b_mouse);
1597                 
1598                 }
1599         else
1600                 {
1601                 text = g_strdup_printf(_("[%*s,%*s]: RGB(---,---,---)"),
1602                                          num_length(width - 1), " ",
1603                                          num_length(height - 1), " ");
1604                 }
1605
1606         attrs = pango_attr_list_new();
1607         pango_attr_list_insert(attrs, pango_attr_family_new("Monospace"));
1608         gtk_label_set_text(GTK_LABEL(lw->info_pixel), text);
1609         gtk_label_set_attributes(GTK_LABEL(lw->info_pixel), attrs);
1610         pango_attr_list_unref(attrs);
1611         g_free(text);
1612 }
1613
1614
1615 /*
1616  *----------------------------------------------------------------------------
1617  * setup
1618  *----------------------------------------------------------------------------
1619  */
1620
1621 static void layout_image_update_cb(ImageWindow *imd, gpointer data)
1622 {
1623         LayoutWindow *lw = data;
1624         layout_status_update_image(lw);
1625 }
1626
1627 GtkWidget *layout_image_new(LayoutWindow *lw, gint i)
1628 {
1629         if (!lw->split_image_sizegroup) lw->split_image_sizegroup = gtk_size_group_new(GTK_SIZE_GROUP_BOTH);
1630
1631         if (!lw->split_images[i])
1632                 {
1633                 lw->split_images[i] = image_new(TRUE);
1634
1635 #if GTK_CHECK_VERSION(2,12,0)
1636                 g_object_ref(lw->split_images[i]->widget);
1637 #else
1638                 gtk_widget_ref(lw->split_images[i]->widget);
1639 #endif
1640
1641                 g_signal_connect(G_OBJECT(lw->split_images[i]->pr), "update-pixel",
1642                                  G_CALLBACK(layout_status_update_pixel_cb), lw);
1643
1644                 image_background_set_color_from_options(lw->split_images[i], FALSE);
1645
1646                 image_auto_refresh_enable(lw->split_images[i], TRUE);
1647
1648                 layout_image_dnd_init(lw, i);
1649                 image_color_profile_set(lw->split_images[i],
1650                                         options->color_profile.input_type,
1651                                         options->color_profile.use_image);
1652                 image_color_profile_set_use(lw->split_images[i], options->color_profile.enabled);
1653
1654                 gtk_size_group_add_widget(lw->split_image_sizegroup, lw->split_images[i]->widget);
1655                 gtk_widget_set_size_request(lw->split_images[i]->widget, IMAGE_MIN_WIDTH, -1);
1656
1657                 image_set_focus_in_func(lw->split_images[i], layout_image_focus_in_cb, lw);
1658
1659                 }
1660
1661         return lw->split_images[i]->widget;
1662 }
1663
1664 void layout_image_deactivate(LayoutWindow *lw, gint i)
1665 {
1666         if (!lw->split_images[i]) return;
1667         image_set_update_func(lw->split_images[i], NULL, NULL);
1668         layout_image_set_buttons_inactive(lw, i);
1669         image_set_drag_func(lw->split_images[i], layout_image_drag_inactive_cb, lw);
1670
1671         image_attach_window(lw->split_images[i], NULL, NULL, NULL, FALSE);
1672         image_select(lw->split_images[i], FALSE);
1673 }
1674
1675 /* force should be set after change of lw->split_mode */
1676 void layout_image_activate(LayoutWindow *lw, gint i, gboolean force)
1677 {
1678         FileData *fd;
1679
1680         if (!lw->split_images[i]) return;
1681         if (!force && lw->active_split_image == i) return;
1682
1683         /* deactivate currently active */
1684         if (lw->active_split_image != i)
1685                 layout_image_deactivate(lw, lw->active_split_image);
1686
1687         lw->image = lw->split_images[i];
1688         lw->active_split_image = i;
1689
1690         image_set_update_func(lw->image, layout_image_update_cb, lw);
1691         layout_image_set_buttons(lw);
1692         image_set_drag_func(lw->image, layout_image_drag_cb, lw);
1693
1694         image_attach_window(lw->image, lw->window, NULL, GQ_APPNAME, FALSE);
1695
1696         /* do not hilight selected image in SPLIT_NONE */
1697         /* maybe the image should be selected always and hilight should be controled by
1698            another image option */
1699         if (lw->split_mode != SPLIT_NONE)
1700                 image_select(lw->split_images[i], TRUE);
1701         else
1702                 image_select(lw->split_images[i], FALSE);
1703
1704         fd = image_get_fd(lw->image);
1705
1706         if (fd)
1707                 {
1708 //              layout_list_sync_path(lw, path);
1709                 layout_set_fd(lw, fd);
1710                 }
1711         layout_status_update_image(lw);
1712 }
1713
1714
1715 static void layout_image_setup_split_common(LayoutWindow *lw, gint n)
1716 {
1717         gboolean frame = (n > 1) || (!lw->options.tools_float && !lw->options.tools_hidden);
1718         gint i;
1719
1720         for (i = 0; i < n; i++)
1721                 if (!lw->split_images[i])
1722                         {
1723                         FileData *img_fd = NULL;
1724                         double zoom = 0.0;
1725
1726                         layout_image_new(lw, i);
1727                         image_set_frame(lw->split_images[i], frame);
1728                         image_set_selectable(lw->split_images[i], (n > 1));
1729                         
1730                         if (lw->image)
1731                                 {
1732                                 image_osd_copy_status(lw->image, lw->split_images[i]);
1733                                 }
1734
1735                         if (layout_selection_count(lw, 0) > 1)
1736                                 {
1737                                 GList *work = g_list_last(layout_selection_list(lw));
1738                                 gint j = 0;
1739                                 
1740                                 if (work) work = work->prev;
1741
1742                                 while (work && j < i)
1743                                         {
1744                                         FileData *fd = work->data;
1745                                         work = work->prev;
1746                                         
1747                                         j++;
1748                                         if (!fd || !*fd->path) continue;
1749                                         img_fd = fd;
1750                                         }
1751                                 }
1752
1753                         if (!img_fd && lw->image)
1754                                 {
1755                                 img_fd = image_get_fd(lw->image);
1756                                 zoom = image_zoom_get(lw->image);
1757                                 }
1758
1759                         if (img_fd)
1760                                 {
1761                                 gdouble sx, sy;
1762                                 image_change_fd(lw->split_images[i], img_fd, zoom);
1763                                 image_get_scroll_center(lw->image, &sx, &sy);
1764                                 image_set_scroll_center(lw->split_images[i], sx, sy);
1765                                 }
1766                         layout_image_deactivate(lw, i);
1767                         }
1768                 else
1769                         {
1770                         image_set_frame(lw->split_images[i], frame);
1771                         image_set_selectable(lw->split_images[i], (n > 1));
1772                         }
1773
1774         for (i = n; i < MAX_SPLIT_IMAGES; i++)
1775                 {
1776                 if (lw->split_images[i])
1777                         {
1778 #if GTK_CHECK_VERSION(2,12,0)
1779                         g_object_unref(lw->split_images[i]->widget);
1780 #else
1781                         gtk_widget_unref(lw->split_images[i]->widget);
1782 #endif
1783                         lw->split_images[i] = NULL;
1784                         }
1785                 }
1786         
1787         if (!lw->image || lw->active_split_image < 0 || lw->active_split_image >= n)
1788                 {
1789                 layout_image_activate(lw, 0, TRUE);
1790                 }
1791         else
1792                 {
1793                 /* this will draw the frame around selected image (image_select)
1794                    on switch from single to split images */
1795                 layout_image_activate(lw, lw->active_split_image, TRUE);
1796                 }
1797 }
1798
1799 GtkWidget *layout_image_setup_split_none(LayoutWindow *lw)
1800 {
1801         lw->split_mode = SPLIT_NONE;
1802         
1803         layout_image_setup_split_common(lw, 1);
1804
1805         lw->split_image_widget = lw->split_images[0]->widget;
1806
1807         return lw->split_image_widget;
1808 }
1809
1810
1811 GtkWidget *layout_image_setup_split_hv(LayoutWindow *lw, gboolean horizontal)
1812 {
1813         GtkWidget *paned;
1814         
1815         lw->split_mode = horizontal ? SPLIT_HOR : SPLIT_VERT;
1816
1817         layout_image_setup_split_common(lw, 2);
1818
1819         /* horizontal split means vpaned and vice versa */
1820         if (horizontal)
1821                 paned = gtk_vpaned_new();
1822         else
1823                 paned = gtk_hpaned_new();
1824
1825         gtk_paned_pack1(GTK_PANED(paned), lw->split_images[0]->widget, TRUE, TRUE);
1826         gtk_paned_pack2(GTK_PANED(paned), lw->split_images[1]->widget, TRUE, TRUE);
1827
1828         gtk_widget_show(lw->split_images[0]->widget);
1829         gtk_widget_show(lw->split_images[1]->widget);
1830
1831         lw->split_image_widget = paned;
1832
1833         return lw->split_image_widget;
1834
1835 }
1836
1837 GtkWidget *layout_image_setup_split_quad(LayoutWindow *lw)
1838 {
1839         GtkWidget *hpaned;
1840         GtkWidget *vpaned1;
1841         GtkWidget *vpaned2;
1842         gint i;
1843
1844         lw->split_mode = SPLIT_QUAD;
1845
1846         layout_image_setup_split_common(lw, 4);
1847
1848         hpaned = gtk_hpaned_new();
1849         vpaned1 = gtk_vpaned_new();
1850         vpaned2 = gtk_vpaned_new();
1851
1852         gtk_paned_pack1(GTK_PANED(vpaned1), lw->split_images[0]->widget, TRUE, TRUE);
1853         gtk_paned_pack2(GTK_PANED(vpaned1), lw->split_images[2]->widget, TRUE, TRUE);
1854
1855         gtk_paned_pack1(GTK_PANED(vpaned2), lw->split_images[1]->widget, TRUE, TRUE);
1856         gtk_paned_pack2(GTK_PANED(vpaned2), lw->split_images[3]->widget, TRUE, TRUE);
1857
1858         gtk_paned_pack1(GTK_PANED(hpaned), vpaned1, TRUE, TRUE);
1859         gtk_paned_pack2(GTK_PANED(hpaned), vpaned2, TRUE, TRUE);
1860
1861         for (i = 0; i < 4; i++)
1862                 gtk_widget_show(lw->split_images[i]->widget);
1863
1864         gtk_widget_show(vpaned1);
1865         gtk_widget_show(vpaned2);
1866
1867         lw->split_image_widget = hpaned;
1868
1869         return lw->split_image_widget;
1870
1871 }
1872
1873 GtkWidget *layout_image_setup_split(LayoutWindow *lw, ImageSplitMode mode)
1874 {
1875         switch (mode)
1876                 {
1877                 case SPLIT_HOR:
1878                         return layout_image_setup_split_hv(lw, TRUE);
1879                 case SPLIT_VERT:
1880                         return layout_image_setup_split_hv(lw, FALSE);
1881                 case SPLIT_QUAD:
1882                         return layout_image_setup_split_quad(lw);
1883                 case SPLIT_NONE:
1884                 default:
1885                         return layout_image_setup_split_none(lw);
1886                 }
1887 }
1888
1889
1890 /*
1891  *-----------------------------------------------------------------------------
1892  * maintenance (for rename, move, remove)
1893  *-----------------------------------------------------------------------------
1894  */
1895
1896 static void layout_image_maint_renamed(LayoutWindow *lw, FileData *fd)
1897 {
1898         if (fd == layout_image_get_fd(lw))
1899                 {
1900                 image_set_fd(lw->image, fd);
1901                 }
1902 }
1903
1904 static void layout_image_maint_removed(LayoutWindow *lw, FileData *fd)
1905 {
1906         if (fd == layout_image_get_fd(lw))
1907                 {
1908                 CollectionData *cd;
1909                 CollectInfo *info;
1910
1911                 cd = image_get_collection(lw->image, &info);
1912                 if (cd && info)
1913                         {
1914                         CollectInfo *new;
1915
1916                         new = collection_next_by_info(cd, info);
1917                         if (!new) new = collection_prev_by_info(cd, info);
1918
1919                         if (new)
1920                                 {
1921                                 layout_image_set_collection(lw, cd, new);
1922                                 return;
1923                                 }
1924                         layout_image_set_fd(lw, NULL);
1925                         }
1926                         
1927                 /* the image will be set to the next image from the list soon,  
1928                    setting it to NULL here is not necessary*/
1929                 }
1930 }
1931
1932
1933 void layout_image_notify_cb(FileData *fd, NotifyType type, gpointer data)
1934 {
1935         LayoutWindow *lw = data;
1936
1937         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1938
1939         DEBUG_1("Notify layout_image: %s %04x", fd->path, type);
1940         
1941         switch (fd->change->type)
1942                 {
1943                 case FILEDATA_CHANGE_MOVE:
1944                 case FILEDATA_CHANGE_RENAME:
1945                         layout_image_maint_renamed(lw, fd);
1946                         break;
1947                 case FILEDATA_CHANGE_DELETE:
1948                         layout_image_maint_removed(lw, fd);
1949                         break;
1950                 case FILEDATA_CHANGE_COPY:
1951                 case FILEDATA_CHANGE_UNSPECIFIED:
1952                 case FILEDATA_CHANGE_WRITE_METADATA:
1953                         break;
1954                 }
1955
1956 }
1957 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */