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-overlay.h"
  33 #include "layout.h"
  34 #include "layout_image.h"
  35 #include "layout_util.h"
  36 #include "menu.h"
  37 #include "misc.h"
  38 #include "pixbuf_util.h"
  39 #include "pixbuf-renderer.h"
  40 #include "print.h"
  41 #include "slideshow.h"
  42 #include "ui_fileops.h"
  43 #include "ui_menu.h"
  44 #include "uri_utils.h"
  45 #include "utilops.h"
  46 #include "window.h"
  47
  48 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  49
  50
  51 typedef struct _ViewWindow ViewWindow;
  52 struct _ViewWindow
  53 {
  54         GtkWidget *window;
  55         ImageWindow *imd;
  56         FullScreenData *fs;
  57         SlideShowData *ss;
  58
  59         GList *list;
  60         GList *list_pointer;
  61 };
  62
  63
  64 static GList *view_window_list = NULL;
  65
  66
  67 static GtkWidget *view_popup_menu(ViewWindow *vw);
  68 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off);
  69 static void view_overlay_toggle(ViewWindow *vw);
  70
  71 static void view_slideshow_next(ViewWindow *vw);
  72 static void view_slideshow_prev(ViewWindow *vw);
  73 static void view_slideshow_start(ViewWindow *vw);
  74 static void view_slideshow_stop(ViewWindow *vw);
  75
  76 static void view_window_close(ViewWindow *vw);
  77
  78 static void view_window_dnd_init(ViewWindow *vw);
  79
  80 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data);
  81
  82 /*
  83  *-----------------------------------------------------------------------------
  84  * misc
  85  *-----------------------------------------------------------------------------
  86  */
  87
  88 static ImageWindow *view_window_active_image(ViewWindow *vw)
  89 {
  90         if (vw->fs) return vw->fs->imd;
  91
  92         return vw->imd;
  93 }
  94
  95 static void view_window_set_list(ViewWindow *vw, GList *list)
  96 {
  97
  98         filelist_free(vw->list);
  99         vw->list = NULL;
 100         vw->list_pointer = NULL;
 101
 102         vw->list = filelist_copy(list);
 103 }
 104
 105 static gboolean view_window_contains_collection(ViewWindow *vw)
 106 {
 107         CollectionData *cd;
 108         CollectInfo *info;
 109
 110         cd = image_get_collection(view_window_active_image(vw), &info);
 111
 112         return (cd && info);
 113 }
 114
 115 static void view_collection_step(ViewWindow *vw, gboolean next)
 116 {
 117         ImageWindow *imd = view_window_active_image(vw);
 118         CollectionData *cd;
 119         CollectInfo *info;
 120         CollectInfo *read_ahead_info = NULL;
 121
 122         cd = image_get_collection(imd, &info);
 123
 124         if (!cd || !info) return;
 125
 126         if (next)
 127                 {
 128                 info = collection_next_by_info(cd, info);
 129                 if (options->image.enable_read_ahead)
 130                         {
 131                         read_ahead_info = collection_next_by_info(cd, info);
 132                         if (!read_ahead_info) read_ahead_info = collection_prev_by_info(cd, info);
 133                         }
 134                 }
 135         else
 136                 {
 137                 info = collection_prev_by_info(cd, info);
 138                 if (options->image.enable_read_ahead)
 139                         {
 140                         read_ahead_info = collection_prev_by_info(cd, info);
 141                         if (!read_ahead_info) read_ahead_info = collection_next_by_info(cd, info);
 142                         }
 143                 }
 144
 145         if (info)
 146                 {
 147                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 148
 149                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 150                 }
 151
 152 }
 153
 154 static void view_collection_step_to_end(ViewWindow *vw, gboolean last)
 155 {
 156         ImageWindow *imd = view_window_active_image(vw);
 157         CollectionData *cd;
 158         CollectInfo *info;
 159         CollectInfo *read_ahead_info = NULL;
 160
 161         cd = image_get_collection(imd, &info);
 162
 163         if (!cd || !info) return;
 164
 165         if (last)
 166                 {
 167                 info = collection_get_last(cd);
 168                 if (options->image.enable_read_ahead) read_ahead_info = collection_prev_by_info(cd, info);
 169                 }
 170         else
 171                 {
 172                 info = collection_get_first(cd);
 173                 if (options->image.enable_read_ahead) read_ahead_info = collection_next_by_info(cd, info);
 174                 }
 175
 176         if (info)
 177                 {
 178                 image_change_from_collection(imd, cd, info, image_zoom_get_default(imd));
 179                 if (read_ahead_info) image_prebuffer_set(imd, read_ahead_info->fd);
 180                 }
 181 }
 182
 183 static void view_list_step(ViewWindow *vw, gboolean next)
 184 {
 185         ImageWindow *imd = view_window_active_image(vw);
 186         FileData *fd;
 187         GList *work;
 188         GList *work_ahead;
 189
 190         if (!vw->list) return;
 191
 192         fd = image_get_fd(imd);
 193         if (!fd) return;
 194
 195         if (g_list_position(vw->list, vw->list_pointer) >= 0)
 196                 {
 197                 work = vw->list_pointer;
 198                 }
 199         else
 200                 {
 201                 gboolean found = FALSE;
 202
 203                 work = vw->list;
 204                 while (work && !found)
 205                         {
 206                         FileData *temp;
 207
 208                         temp = work->data;
 209
 210                         if (fd == temp)
 211                                 {
 212                                 found = TRUE;
 213                                 }
 214                         else
 215                                 {
 216                                 work = work->next;
 217                                 }
 218                         }
 219                 }
 220         if (!work) return;
 221
 222         work_ahead = NULL;
 223         if (next)
 224                 {
 225                 work = work->next;
 226                 if (work) work_ahead = work->next;
 227                 }
 228         else
 229                 {
 230                 work = work->prev;
 231                 if (work) work_ahead = work->prev;
 232                 }
 233
 234         if (!work) return;
 235
 236         vw->list_pointer = work;
 237         fd = work->data;
 238         image_change_fd(imd, fd, image_zoom_get_default(imd));
 239
 240         if (options->image.enable_read_ahead && work_ahead)
 241                 {
 242                 FileData *next_fd = work_ahead->data;
 243                 image_prebuffer_set(imd, next_fd);
 244                 }
 245 }
 246
 247 static void view_list_step_to_end(ViewWindow *vw, gboolean last)
 248 {
 249         ImageWindow *imd = view_window_active_image(vw);
 250         FileData *fd;
 251         GList *work;
 252         GList *work_ahead;
 253
 254         if (!vw->list) return;
 255
 256         if (last)
 257                 {
 258                 work = g_list_last(vw->list);
 259                 work_ahead = work->prev;
 260                 }
 261         else
 262                 {
 263                 work = vw->list;
 264                 work_ahead = work->next;
 265                 }
 266
 267         vw->list_pointer = work;
 268         fd = work->data;
 269         image_change_fd(imd, fd, image_zoom_get_default(imd));
 270
 271         if (options->image.enable_read_ahead && work_ahead)
 272                 {
 273                 FileData *next_fd = work_ahead->data;
 274                 image_prebuffer_set(imd, next_fd);
 275                 }
 276 }
 277
 278 static void view_step_next(ViewWindow *vw)
 279 {
 280         if (vw->ss)
 281                 {
 282                 view_slideshow_next(vw);
 283                 }
 284         else if (vw->list)
 285                 {
 286                 view_list_step(vw, TRUE);
 287                 }
 288         else
 289                 {
 290                 view_collection_step(vw, TRUE);
 291                 }
 292 }
 293
 294 static void view_step_prev(ViewWindow *vw)
 295 {
 296         if (vw->ss)
 297                 {
 298                 view_slideshow_prev(vw);
 299                 }
 300         else if (vw->list)
 301                 {
 302                 view_list_step(vw, FALSE);
 303                 }
 304         else
 305                 {
 306                 view_collection_step(vw, FALSE);
 307                 }
 308 }
 309
 310 static void view_step_to_end(ViewWindow *vw, gboolean last)
 311 {
 312         if (vw->list)
 313                 {
 314                 view_list_step_to_end(vw, last);
 315                 }
 316         else
 317                 {
 318                 view_collection_step_to_end(vw, last);
 319                 }
 320 }
 321
 322 /*
 323  *-----------------------------------------------------------------------------
 324  * view window keyboard
 325  *-----------------------------------------------------------------------------
 326  */
 327
 328 static void view_window_menu_pos_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 329 {
 330         ViewWindow *vw = data;
 331         ImageWindow *imd;
 332
 333         imd = view_window_active_image(vw);
 334         gdk_window_get_origin(gtk_widget_get_window(imd->pr), x, y);
 335         popup_menu_position_clamp(menu, x, y, 0);
 336 }
 337
 338 static gboolean view_window_key_press_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 339 {
 340         ViewWindow *vw = data;
 341         ImageWindow *imd;
 342         gint stop_signal;
 343         GtkWidget *menu;
 344         gint x = 0;
 345         gint y = 0;
 346
 347         imd = view_window_active_image(vw);
 348
 349         stop_signal = TRUE;
 350         switch (event->keyval)
 351                 {
 352                 case GDK_KEY_Left: case GDK_KEY_KP_Left:
 353                         x -= 1;
 354                         break;
 355                 case GDK_KEY_Right: case GDK_KEY_KP_Right:
 356                         x += 1;
 357                         break;
 358                 case GDK_KEY_Up: case GDK_KEY_KP_Up:
 359                         y -= 1;
 360                         break;
 361                 case GDK_KEY_Down: case GDK_KEY_KP_Down:
 362                         y += 1;
 363                         break;
 364                 default:
 365                         stop_signal = FALSE;
 366                         break;
 367                 }
 368
 369         if (x != 0 || y!= 0)
 370                 {
 371                 if (event->state & GDK_SHIFT_MASK)
 372                         {
 373                         x *= 3;
 374                         y *= 3;
 375                         }
 376
 377                 keyboard_scroll_calc(&x, &y, event);
 378                 image_scroll(imd, x, y);
 379                 }
 380
 381         if (stop_signal) return stop_signal;
 382
 383         if (event->state & GDK_CONTROL_MASK)
 384                 {
 385                 stop_signal = TRUE;
 386                 switch (event->keyval)
 387                         {
 388                         case '1':
 389                         case '2':
 390                         case '3':
 391                         case '4':
 392                         case '5':
 393                         case '6':
 394                         case '7':
 395                         case '8':
 396                         case '9':
 397                         case '0':
 398                                 break;
 399                         case 'C': case 'c':
 400                                 file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
 401                                 break;
 402                         case 'M': case 'm':
 403                                 file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
 404                                 break;
 405                         case 'R': case 'r':
 406                                 file_util_rename(image_get_fd(imd), NULL, imd->widget);
 407                                 break;
 408                         case 'D': case 'd':
 409                                 file_util_delete(image_get_fd(imd), NULL, imd->widget);
 410                                 break;
 411                         case 'W': case 'w':
 412                                 view_window_close(vw);
 413                                 break;
 414                         default:
 415                                 stop_signal = FALSE;
 416                                 break;
 417                         }
 418                 }
 419         else if (event->state & GDK_SHIFT_MASK)
 420                 {
 421                 stop_signal = TRUE;
 422                 switch (event->keyval)
 423                         {
 424                         case 'R': case 'r':
 425                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_180);
 426                                 break;
 427                         case 'M': case 'm':
 428                                 image_alter_orientation(imd, imd->image_fd, ALTER_MIRROR);
 429                                 break;
 430                         case 'F': case 'f':
 431                                 image_alter_orientation(imd, imd->image_fd, ALTER_FLIP);
 432                                 break;
 433                         case 'G': case 'g':
 434                                 image_set_desaturate(imd, !image_get_desaturate(imd));
 435                                 break;
 436                         case 'P': case 'p':
 437                                 {
 438                                 FileData *fd;
 439
 440                                 view_fullscreen_toggle(vw, TRUE);
 441                                 imd = view_window_active_image(vw);
 442                                 fd = image_get_fd(imd);
 443                                 print_window_new(fd,
 444                                                  fd ? g_list_append(NULL, file_data_ref(fd)) : NULL,
 445                                                  filelist_copy(vw->list), vw->window);
 446                                 }
 447                                 break;
 448                         default:
 449                                 stop_signal = FALSE;
 450                                 break;
 451                         }
 452                 }
 453         else
 454                 {
 455                 stop_signal = TRUE;
 456                 switch (event->keyval)
 457                         {
 458                         case GDK_KEY_Page_Up: case GDK_KEY_KP_Page_Up:
 459                         case GDK_KEY_BackSpace:
 460                         case 'B': case 'b':
 461                                 view_step_prev(vw);
 462                                 break;
 463                         case GDK_KEY_Page_Down: case GDK_KEY_KP_Page_Down:
 464                         case GDK_KEY_space:
 465                         case 'N': case 'n':
 466                                 view_step_next(vw);
 467                                 break;
 468                         case GDK_KEY_Home: case GDK_KEY_KP_Home:
 469                                 view_step_to_end(vw, FALSE);
 470                                 break;
 471                         case GDK_KEY_End: case GDK_KEY_KP_End:
 472                                 view_step_to_end(vw, TRUE);
 473                                 break;
 474                         case '+': case '=': case GDK_KEY_KP_Add:
 475                                 image_zoom_adjust(imd, get_zoom_increment());
 476                                 break;
 477                         case '-': case GDK_KEY_KP_Subtract:
 478                                 image_zoom_adjust(imd, -get_zoom_increment());
 479                                 break;
 480                         case 'X': case 'x': case GDK_KEY_KP_Multiply:
 481                                 image_zoom_set(imd, 0.0);
 482                                 break;
 483                         case 'Z': case 'z': case GDK_KEY_KP_Divide: case '1':
 484                                 image_zoom_set(imd, 1.0);
 485                                 break;
 486                         case '2':
 487                                 image_zoom_set(imd, 2.0);
 488                                 break;
 489                         case '3':
 490                                 image_zoom_set(imd, 3.0);
 491                                 break;
 492                         case '4':
 493                                 image_zoom_set(imd, 4.0);
 494                                 break;
 495                         case '7':
 496                                 image_zoom_set(imd, -4.0);
 497                                 break;
 498                         case '8':
 499                                 image_zoom_set(imd, -3.0);
 500                                 break;
 501                         case '9':
 502                                 image_zoom_set(imd, -2.0);
 503                                 break;
 504                         case 'W': case 'w':
 505                                 image_zoom_set_fill_geometry(imd, FALSE);
 506                                 break;
 507                         case 'H': case 'h':
 508                                 image_zoom_set_fill_geometry(imd, TRUE);
 509                                 break;
 510                         case 'R': case 'r':
 511                                 image_reload(imd);
 512                                 break;
 513                         case 'S': case 's':
 514                                 if (vw->ss)
 515                                         {
 516                                         view_slideshow_stop(vw);
 517                                         }
 518                                 else
 519                                         {
 520                                         view_slideshow_start(vw);
 521                                         }
 522                                 break;
 523                         case 'P': case 'p':
 524                                 slideshow_pause_toggle(vw->ss);
 525                                 break;
 526                         case 'F': case 'f':
 527                         case 'V': case 'v':
 528                         case GDK_KEY_F11:
 529                                 view_fullscreen_toggle(vw, FALSE);
 530                                 break;
 531                         case 'I': case 'i':
 532                                 view_overlay_toggle(vw);
 533                                 break;
 534                         case ']':
 535                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90);
 536                                 break;
 537                         case '[':
 538                                 image_alter_orientation(imd, imd->image_fd, ALTER_ROTATE_90_CC);
 539                                 break;
 540                         case GDK_KEY_Delete: case GDK_KEY_KP_Delete:
 541                                 if (options->file_ops.enable_delete_key)
 542                                         {
 543                                         file_util_delete(image_get_fd(imd), NULL, imd->widget);
 544                                         }
 545                                 break;
 546                         case GDK_KEY_Escape:
 547                                 if (vw->fs)
 548                                         {
 549                                         view_fullscreen_toggle(vw, TRUE);
 550                                         }
 551                                 else
 552                                         {
 553                                         view_window_close(vw);
 554                                         }
 555                                 break;
 556                         case GDK_KEY_Menu:
 557                         case GDK_KEY_F10:
 558                                 menu = view_popup_menu(vw);
 559                                 gtk_menu_popup(GTK_MENU(menu), NULL, NULL,
 560                                                view_window_menu_pos_cb, vw, 0, GDK_CURRENT_TIME);
 561                                 break;
 562                         default:
 563                                 stop_signal = FALSE;
 564                                 break;
 565                         }
 566                 }
 567         if (!stop_signal && is_help_key(event))
 568                 {
 569                 help_window_show("GuideOtherWindowsImageWindow.html");
 570                 stop_signal = TRUE;
 571                 }
 572
 573         return stop_signal;
 574 }
 575
 576 /*
 577  *-----------------------------------------------------------------------------
 578  * view window main routines
 579  *-----------------------------------------------------------------------------
 580  */
 581 static void button_cb(ImageWindow *imd, GdkEventButton *event, gpointer data)
 582 {
 583         ViewWindow *vw = data;
 584         GtkWidget *menu;
 585
 586         switch (event->button)
 587                 {
 588                 case MOUSE_BUTTON_LEFT:
 589                         if (options->image_l_click_video && options->image_l_click_video_editor && imd->image_fd->format_class == FORMAT_CLASS_VIDEO)
 590                                 {
 591                                 start_editor_from_file(options->image_l_click_video_editor, imd->image_fd);
 592                                 }
 593                         else if (options->image_lm_click_nav)
 594                                 view_step_next(vw);
 595                         break;
 596                 case MOUSE_BUTTON_MIDDLE:
 597                         if (options->image_lm_click_nav)
 598                                 view_step_prev(vw);
 599                         break;
 600                 case MOUSE_BUTTON_RIGHT:
 601                         menu = view_popup_menu(vw);
 602                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 3, event->time);
 603                         break;
 604                 default:
 605                         break;
 606                 }
 607 }
 608
 609 static void scroll_cb(ImageWindow *imd, GdkEventScroll *event, gpointer data)
 610 {
 611         ViewWindow *vw = data;
 612
 613         if ((event->state & GDK_CONTROL_MASK) ||
 614                                 (imd->mouse_wheel_mode && !options->image_lm_click_nav))
 615                 {
 616                 switch (event->direction)
 617                         {
 618                         case GDK_SCROLL_UP:
 619                                 image_zoom_adjust_at_point(imd, get_zoom_increment(), event->x, event->y);
 620                                 break;
 621                         case GDK_SCROLL_DOWN:
 622                                 image_zoom_adjust_at_point(imd, -get_zoom_increment(), event->x, event->y);
 623                                 break;
 624                         default:
 625                                 break;
 626                         }
 627                 }
 628         else if ( (event->state & GDK_SHIFT_MASK) != (guint) (options->mousewheel_scrolls))
 629                 {
 630                 switch (event->direction)
 631                         {
 632                         case GDK_SCROLL_UP:
 633                                 image_scroll(imd, 0, -MOUSEWHEEL_SCROLL_SIZE);
 634                                 break;
 635                         case GDK_SCROLL_DOWN:
 636                                 image_scroll(imd, 0, MOUSEWHEEL_SCROLL_SIZE);
 637                                 break;
 638                         case GDK_SCROLL_LEFT:
 639                                 image_scroll(imd, -MOUSEWHEEL_SCROLL_SIZE, 0);
 640                                 break;
 641                         case GDK_SCROLL_RIGHT:
 642                                 image_scroll(imd, MOUSEWHEEL_SCROLL_SIZE, 0);
 643                                 break;
 644                         default:
 645                                 break;
 646                         }
 647                 }
 648         else
 649                 {
 650                 switch (event->direction)
 651                         {
 652                         case GDK_SCROLL_UP:
 653                                 view_step_prev(vw);
 654                                 break;
 655                         case GDK_SCROLL_DOWN:
 656                                 view_step_next(vw);
 657                                 break;
 658                         default:
 659                                 break;
 660                         }
 661                 }
 662 }
 663
 664 static void view_image_set_buttons(ViewWindow *vw, ImageWindow *imd)
 665 {
 666         image_set_button_func(imd, button_cb, vw);
 667         image_set_scroll_func(imd, scroll_cb, vw);
 668 }
 669
 670 static void view_fullscreen_stop_func(FullScreenData *fs, gpointer data)
 671 {
 672         ViewWindow *vw = data;
 673
 674         vw->fs = NULL;
 675
 676         if (vw->ss) vw->ss->imd = vw->imd;
 677 }
 678
 679 static void view_fullscreen_toggle(ViewWindow *vw, gboolean force_off)
 680 {
 681         if (force_off && !vw->fs) return;
 682
 683         if (vw->fs)
 684                 {
 685                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 686                         image_osd_set(vw->imd, image_osd_get(vw->fs->imd));
 687
 688                 fullscreen_stop(vw->fs);
 689                 }
 690         else
 691                 {
 692                 vw->fs = fullscreen_start(vw->window, vw->imd, view_fullscreen_stop_func, vw);
 693
 694                 view_image_set_buttons(vw, vw->fs->imd);
 695                 g_signal_connect(G_OBJECT(vw->fs->window), "key_press_event",
 696                                  G_CALLBACK(view_window_key_press_cb), vw);
 697
 698                 if (vw->ss) vw->ss->imd = vw->fs->imd;
 699
 700                 if (image_osd_get(vw->imd) & OSD_SHOW_INFO)
 701                         {
 702                         image_osd_set(vw->fs->imd, image_osd_get(vw->imd));
 703                         image_osd_set(vw->imd, OSD_SHOW_NOTHING);
 704                         }
 705                 }
 706 }
 707
 708 static void view_overlay_toggle(ViewWindow *vw)
 709 {
 710         ImageWindow *imd;
 711
 712         imd = view_window_active_image(vw);
 713
 714         image_osd_toggle(imd);
 715 }
 716
 717 static void view_slideshow_next(ViewWindow *vw)
 718 {
 719         if (vw->ss) slideshow_next(vw->ss);
 720 }
 721
 722 static void view_slideshow_prev(ViewWindow *vw)
 723 {
 724         if (vw->ss) slideshow_prev(vw->ss);
 725 }
 726
 727 static void view_slideshow_stop_func(SlideShowData *fs, gpointer data)
 728 {
 729         ViewWindow *vw = data;
 730         GList *work;
 731         FileData *fd;
 732
 733         vw->ss = NULL;
 734
 735         work = vw->list;
 736         fd = image_get_fd(view_window_active_image(vw));
 737         while (work)
 738                 {
 739                 FileData *temp;
 740
 741                 temp = work->data;
 742                 if (fd == temp)
 743                         {
 744                         vw->list_pointer = work;
 745                         work = NULL;
 746                         }
 747                 else
 748                         {
 749                         work = work->next;
 750                         }
 751                 }
 752 }
 753
 754 static void view_slideshow_start(ViewWindow *vw)
 755 {
 756         if (!vw->ss)
 757                 {
 758                 CollectionData *cd;
 759                 CollectInfo *info;
 760
 761                 if (vw->list)
 762                         {
 763                         vw->ss = slideshow_start_from_filelist(NULL, view_window_active_image(vw),
 764                                                                 filelist_copy(vw->list),
 765                                                                 view_slideshow_stop_func, vw);
 766                         vw->list_pointer = NULL;
 767                         return;
 768                         }
 769
 770                 cd = image_get_collection(view_window_active_image(vw), &info);
 771                 if (cd && info)
 772                         {
 773                         vw->ss = slideshow_start_from_collection(NULL, view_window_active_image(vw), cd,
 774                                                                  view_slideshow_stop_func, vw, info);
 775                         }
 776                 }
 777 }
 778
 779 static void view_slideshow_stop(ViewWindow *vw)
 780 {
 781         if (vw->ss) slideshow_free(vw->ss);
 782 }
 783
 784 static void view_window_destroy_cb(GtkWidget *widget, gpointer data)
 785 {
 786         ViewWindow *vw = data;
 787
 788         view_window_list = g_list_remove(view_window_list, vw);
 789
 790         view_slideshow_stop(vw);
 791         fullscreen_stop(vw->fs);
 792
 793         filelist_free(vw->list);
 794
 795         file_data_unregister_notify_func(view_window_notify_cb, vw);
 796
 797         g_free(vw);
 798 }
 799
 800 static void view_window_close(ViewWindow *vw)
 801 {
 802         view_slideshow_stop(vw);
 803         view_fullscreen_toggle(vw, TRUE);
 804         gtk_widget_destroy(vw->window);
 805 }
 806
 807 static gboolean view_window_delete_cb(GtkWidget *w, GdkEventAny *event, gpointer data)
 808 {
 809         ViewWindow *vw = data;
 810
 811         view_window_close(vw);
 812         return TRUE;
 813 }
 814
 815 static ViewWindow *real_view_window_new(FileData *fd, GList *list, CollectionData *cd, CollectInfo *info)
 816 {
 817         ViewWindow *vw;
 818         GtkAllocation req_size;
 819         GdkGeometry geometry;
 820         gint w, h;
 821
 822         if (!fd && !list && (!cd || !info)) return NULL;
 823
 824         vw = g_new0(ViewWindow, 1);
 825
 826         vw->window = window_new(GTK_WINDOW_TOPLEVEL, "view", PIXBUF_INLINE_ICON_VIEW, NULL, NULL);
 827
 828         geometry.min_width = DEFAULT_MINIMAL_WINDOW_SIZE;
 829         geometry.min_height = DEFAULT_MINIMAL_WINDOW_SIZE;
 830         gtk_window_set_geometry_hints(GTK_WINDOW(vw->window), NULL, &geometry, GDK_HINT_MIN_SIZE);
 831
 832         gtk_window_set_resizable(GTK_WINDOW(vw->window), TRUE);
 833         gtk_container_set_border_width(GTK_CONTAINER(vw->window), 0);
 834
 835         vw->imd = image_new(FALSE);
 836         image_color_profile_set(vw->imd,
 837                                 options->color_profile.input_type,
 838                                 options->color_profile.use_image);
 839         image_color_profile_set_use(vw->imd, options->color_profile.enabled);
 840
 841         image_background_set_color_from_options(vw->imd, FALSE);
 842
 843         image_attach_window(vw->imd, vw->window, NULL, GQ_APPNAME, TRUE);
 844
 845         image_auto_refresh_enable(vw->imd, TRUE);
 846         image_top_window_set_sync(vw->imd, TRUE);
 847
 848         gtk_container_add(GTK_CONTAINER(vw->window), vw->imd->widget);
 849         gtk_widget_show(vw->imd->widget);
 850
 851         view_window_dnd_init(vw);
 852
 853         view_image_set_buttons(vw, vw->imd);
 854
 855         g_signal_connect(G_OBJECT(vw->window), "destroy",
 856                          G_CALLBACK(view_window_destroy_cb), vw);
 857         g_signal_connect(G_OBJECT(vw->window), "delete_event",
 858                          G_CALLBACK(view_window_delete_cb), vw);
 859         g_signal_connect(G_OBJECT(vw->window), "key_press_event",
 860                          G_CALLBACK(view_window_key_press_cb), vw);
 861         if (cd && info)
 862                 {
 863                 image_change_from_collection(vw->imd, cd, info, image_zoom_get_default(NULL));
 864                 if (options->image.enable_read_ahead)
 865                         {
 866                         CollectInfo * r_info = collection_next_by_info(cd, info);
 867                         if (!r_info) r_info = collection_prev_by_info(cd, info);
 868                         if (r_info) image_prebuffer_set(vw->imd, r_info->fd);
 869                         }
 870                 }
 871         else if (list)
 872                 {
 873                 view_window_set_list(vw, list);
 874                 vw->list_pointer = vw->list;
 875                 image_change_fd(vw->imd, (FileData *)vw->list->data, image_zoom_get_default(NULL));
 876
 877                 if (options->image.enable_read_ahead)
 878                         {
 879                         GList *work = vw->list->next;
 880                         if (work) image_prebuffer_set(vw->imd, (FileData *)work->data);
 881                         }
 882                 }
 883         else
 884                 {
 885                 image_change_fd(vw->imd, fd, image_zoom_get_default(NULL));
 886                 }
 887
 888         /* Wait until image is loaded otherwise size is not defined */
 889         int count;
 890         for (count = 10; count && !w && !h; count++)
 891                 {
 892                 image_get_image_size(vw->imd, &w, &h);
 893                 usleep(100000);
 894                 }
 895
 896         if (image_zoom_get(vw->imd) == 0.0)
 897                 {
 898                 image_get_image_size(vw->imd, &w, &h);
 899                 }
 900         else
 901                 {
 902                 pixbuf_renderer_get_scaled_size(PIXBUF_RENDERER(vw->imd->pr), &w, &h);
 903                 }
 904         if (options->image.limit_window_size)
 905                 {
 906                 gint mw = gdk_screen_width() * options->image.max_window_size / 100;
 907                 gint mh = gdk_screen_height() * options->image.max_window_size / 100;
 908
 909                 if (w > mw) w = mw;
 910                 if (h > mh) h = mh;
 911                 }
 912
 913         gtk_window_set_default_size(GTK_WINDOW(vw->window), w, h);
 914         req_size.x = req_size.y = 0;
 915         req_size.width = w;
 916         req_size.height = h;
 917         gtk_widget_size_allocate(GTK_WIDGET(vw->window), &req_size);
 918
 919 #if !GTK_CHECK_VERSION(3,0,0)
 920         gtk_widget_set_size_request(vw->imd->pr, w, h);
 921 #endif
 922
 923         gtk_widget_show(vw->window);
 924
 925         view_window_list = g_list_append(view_window_list, vw);
 926
 927         file_data_register_notify_func(view_window_notify_cb, vw, NOTIFY_PRIORITY_LOW);
 928
 929         return vw;
 930 }
 931
 932 static void view_window_collection_unref_cb(GtkWidget *widget, gpointer data)
 933 {
 934         CollectionData *cd = data;
 935
 936         collection_unref(cd);
 937 }
 938
 939 void view_window_new(FileData *fd)
 940 {
 941         GList *list;
 942
 943         if (fd)
 944                 {
 945                 if (file_extension_match(fd->path, GQ_COLLECTION_EXT))
 946                         {
 947                         ViewWindow *vw;
 948                         CollectionData *cd;
 949                         CollectInfo *info;
 950
 951                         cd = collection_new(fd->path);
 952                         if (collection_load(cd, fd->path, COLLECTION_LOAD_NONE))
 953                                 {
 954                                 info = collection_get_first(cd);
 955                                 }
 956                         else
 957                                 {
 958                                 collection_unref(cd);
 959                                 cd = NULL;
 960                                 info = NULL;
 961                                 }
 962                         vw = real_view_window_new(NULL, NULL, cd, info);
 963                         if (vw && cd)
 964                                 {
 965                                 g_signal_connect(G_OBJECT(vw->window), "destroy",
 966                                                  G_CALLBACK(view_window_collection_unref_cb), cd);
 967                                 }
 968                         }
 969                 else if (isdir(fd->path) && filelist_read(fd, &list, NULL))
 970                         {
 971                         list = filelist_sort_path(list);
 972                         list = filelist_filter(list, FALSE);
 973                         real_view_window_new(NULL, list, NULL, NULL);
 974                         filelist_free(list);
 975                         }
 976                 else
 977                         {
 978                         real_view_window_new(fd, NULL, NULL, NULL);
 979                         }
 980                 }
 981 }
 982
 983 void view_window_new_from_list(GList *list)
 984 {
 985         real_view_window_new(NULL, list, NULL, NULL);
 986 }
 987
 988 void view_window_new_from_collection(CollectionData *cd, CollectInfo *info)
 989 {
 990         real_view_window_new(NULL, NULL, cd, info);
 991 }
 992
 993 /*
 994  *-----------------------------------------------------------------------------
 995  * public
 996  *-----------------------------------------------------------------------------
 997  */
 998
 999 void view_window_colors_update(void)
1000 {
1001         GList *work;
1002
1003         work = view_window_list;
1004         while (work)
1005                 {
1006                 ViewWindow *vw = work->data;
1007                 work = work->next;
1008
1009                 image_background_set_color_from_options(vw->imd, !!vw->fs);
1010                 }
1011 }
1012
1013 gboolean view_window_find_image(ImageWindow *imd, gint *index, gint *total)
1014 {
1015         GList *work;
1016
1017         work = view_window_list;
1018         while (work)
1019                 {
1020                 ViewWindow *vw = work->data;
1021                 work = work->next;
1022
1023                 if (vw->imd == imd ||
1024                     (vw->fs && vw->fs->imd == imd))
1025                         {
1026                         if (vw->ss)
1027                                 {
1028                                 gint n;
1029                                 gint t;
1030
1031                                 n = g_list_length(vw->ss->list_done);
1032                                 t = n + g_list_length(vw->ss->list);
1033                                 if (n == 0) n = t;
1034                                 if (index) *index = n - 1;
1035                                 if (total) *total = t;
1036                                 }
1037                         else
1038                                 {
1039                                 if (index) *index = g_list_position(vw->list, vw->list_pointer);
1040                                 if (total) *total = g_list_length(vw->list);
1041                                 }
1042                         return TRUE;
1043                         }
1044                 }
1045
1046         return FALSE;
1047 }
1048
1049 /*
1050  *-----------------------------------------------------------------------------
1051  * view window menu routines and callbacks
1052  *-----------------------------------------------------------------------------
1053  */
1054
1055 static void view_new_window_cb(GtkWidget *widget, gpointer data)
1056 {
1057         ViewWindow *vw = data;
1058         CollectionData *cd;
1059         CollectInfo *info;
1060
1061         cd = image_get_collection(vw->imd, &info);
1062
1063         if (cd && info)
1064                 {
1065                 view_window_new_from_collection(cd, info);
1066                 }
1067         else
1068                 {
1069                 view_window_new(image_get_fd(vw->imd));
1070                 }
1071 }
1072
1073 static void view_edit_cb(GtkWidget *widget, gpointer data)
1074 {
1075         ViewWindow *vw;
1076         ImageWindow *imd;
1077         const gchar *key = data;
1078
1079         vw = submenu_item_get_data(widget);
1080         if (!vw) return;
1081
1082         if (!editor_window_flag_set(key))
1083                 {
1084                 view_fullscreen_toggle(vw, TRUE);
1085                 }
1086
1087         imd = view_window_active_image(vw);
1088         file_util_start_editor_from_file(key, image_get_fd(imd), imd->widget);
1089 }
1090
1091 static void view_alter_cb(GtkWidget *widget, gpointer data)
1092 {
1093         ViewWindow *vw;
1094         AlterType type;
1095
1096         vw = submenu_item_get_data(widget);
1097         type = GPOINTER_TO_INT(data);
1098
1099         if (!vw) return;
1100         image_alter_orientation(vw->imd, vw->imd->image_fd, type);
1101 }
1102
1103 static void view_wallpaper_cb(GtkWidget *widget, gpointer data)
1104 {
1105         ViewWindow *vw = data;
1106         ImageWindow *imd;
1107
1108         imd = view_window_active_image(vw);
1109         image_to_root_window(imd, (image_zoom_get(imd) == 0.0));
1110 }
1111
1112 static void view_zoom_in_cb(GtkWidget *widget, gpointer data)
1113 {
1114         ViewWindow *vw = data;
1115
1116         image_zoom_adjust(view_window_active_image(vw), get_zoom_increment());
1117 }
1118
1119 static void view_zoom_out_cb(GtkWidget *widget, gpointer data)
1120 {
1121         ViewWindow *vw = data;
1122
1123         image_zoom_adjust(view_window_active_image(vw), -get_zoom_increment());
1124 }
1125
1126 static void view_zoom_1_1_cb(GtkWidget *widget, gpointer data)
1127 {
1128         ViewWindow *vw = data;
1129
1130         image_zoom_set(view_window_active_image(vw), 1.0);
1131 }
1132
1133 static void view_zoom_fit_cb(GtkWidget *widget, gpointer data)
1134 {
1135         ViewWindow *vw = data;
1136
1137         image_zoom_set(view_window_active_image(vw), 0.0);
1138 }
1139
1140 static void view_copy_cb(GtkWidget *widget, gpointer data)
1141 {
1142         ViewWindow *vw = data;
1143         ImageWindow *imd;
1144
1145         imd = view_window_active_image(vw);
1146         file_util_copy(image_get_fd(imd), NULL, NULL, imd->widget);
1147 }
1148
1149 static void view_move_cb(GtkWidget *widget, gpointer data)
1150 {
1151         ViewWindow *vw = data;
1152         ImageWindow *imd;
1153
1154         imd = view_window_active_image(vw);
1155         file_util_move(image_get_fd(imd), NULL, NULL, imd->widget);
1156 }
1157
1158 static void view_rename_cb(GtkWidget *widget, gpointer data)
1159 {
1160         ViewWindow *vw = data;
1161         ImageWindow *imd;
1162
1163         imd = view_window_active_image(vw);
1164         file_util_rename(image_get_fd(imd), NULL, imd->widget);
1165 }
1166
1167 static void view_delete_cb(GtkWidget *widget, gpointer data)
1168 {
1169         ViewWindow *vw = data;
1170         ImageWindow *imd;
1171
1172         imd = view_window_active_image(vw);
1173         file_util_delete(image_get_fd(imd), NULL, imd->widget);
1174 }
1175
1176 static void view_copy_path_cb(GtkWidget *widget, gpointer data)
1177 {
1178         ViewWindow *vw = data;
1179         ImageWindow *imd;
1180
1181         imd = view_window_active_image(vw);
1182         file_util_copy_path_to_clipboard(image_get_fd(imd), TRUE);
1183 }
1184
1185 static void view_copy_path_unquoted_cb(GtkWidget *widget, gpointer data)
1186 {
1187         ViewWindow *vw = data;
1188         ImageWindow *imd;
1189
1190         imd = view_window_active_image(vw);
1191         file_util_copy_path_to_clipboard(image_get_fd(imd), FALSE);
1192 }
1193
1194 static void view_fullscreen_cb(GtkWidget *widget, gpointer data)
1195 {
1196         ViewWindow *vw = data;
1197
1198         view_fullscreen_toggle(vw, FALSE);
1199 }
1200
1201 static void view_slideshow_start_cb(GtkWidget *widget, gpointer data)
1202 {
1203         ViewWindow *vw = data;
1204
1205         view_slideshow_start(vw);
1206 }
1207
1208 static void view_slideshow_stop_cb(GtkWidget *widget, gpointer data)
1209 {
1210         ViewWindow *vw = data;
1211
1212         view_slideshow_stop(vw);
1213 }
1214
1215 static void view_slideshow_pause_cb(GtkWidget *widget, gpointer data)
1216 {
1217         ViewWindow *vw = data;
1218
1219         slideshow_pause_toggle(vw->ss);
1220 }
1221
1222 static void view_close_cb(GtkWidget *widget, gpointer data)
1223 {
1224         ViewWindow *vw = data;
1225
1226         view_window_close(vw);
1227 }
1228
1229 static LayoutWindow *view_new_layout_with_fd(FileData *fd)
1230 {
1231         LayoutWindow *nw;
1232
1233         nw = layout_new(NULL, NULL);
1234         layout_sort_set(nw, options->file_sort.method, options->file_sort.ascending);
1235         layout_set_fd(nw, fd);
1236         return nw;
1237 }
1238
1239
1240 static void view_set_layout_path_cb(GtkWidget *widget, gpointer data)
1241 {
1242         ViewWindow *vw = data;
1243         LayoutWindow *lw;
1244         ImageWindow *imd;
1245
1246         imd = view_window_active_image(vw);
1247
1248         if (!imd || !imd->image_fd) return;
1249
1250         lw = layout_find_by_image_fd(imd);
1251         if (lw)
1252                 layout_set_fd(lw, imd->image_fd);
1253         else
1254                 view_new_layout_with_fd(imd->image_fd);
1255         view_window_close(vw);
1256 }
1257
1258 static void view_popup_menu_destroy_cb(GtkWidget *widget, gpointer data)
1259 {
1260         GList *editmenu_fd_list = data;
1261
1262         filelist_free(editmenu_fd_list);
1263 }
1264
1265 static GList *view_window_get_fd_list(ViewWindow *vw)
1266 {
1267         GList *list = NULL;
1268         ImageWindow *imd = view_window_active_image(vw);
1269
1270         if (imd)
1271                 {
1272                 FileData *fd = image_get_fd(imd);
1273                 if (fd) list = g_list_append(NULL, file_data_ref(fd));
1274                 }
1275
1276         return list;
1277 }
1278
1279 /**
1280  * @brief Add file selection list to a collection
1281  * @param[in] widget
1282  * @param[in] data Index to the collection list menu item selected, or -1 for new collection
1283  *
1284  *
1285  */
1286 static void image_pop_menu_collections_cb(GtkWidget *widget, gpointer data)
1287 {
1288         ViewWindow *vw;
1289         ImageWindow *imd;
1290         FileData *fd;
1291         GList *selection_list = NULL;
1292
1293         vw = submenu_item_get_data(widget);
1294         imd = view_window_active_image(vw);
1295         fd = image_get_fd(imd);
1296         selection_list = g_list_append(selection_list, fd);
1297         pop_menu_collections(selection_list, data);
1298
1299         filelist_free(selection_list);
1300 }
1301
1302 static GtkWidget *view_popup_menu(ViewWindow *vw)
1303 {
1304         GtkWidget *menu;
1305         GtkWidget *submenu;
1306         GtkWidget *item;
1307         GList *editmenu_fd_list;
1308
1309         menu = popup_menu_short_lived();
1310
1311
1312         menu_item_add_stock(menu, _("Zoom _in"), GTK_STOCK_ZOOM_IN, G_CALLBACK(view_zoom_in_cb), vw);
1313         menu_item_add_stock(menu, _("Zoom _out"), GTK_STOCK_ZOOM_OUT, G_CALLBACK(view_zoom_out_cb), vw);
1314         menu_item_add_stock(menu, _("Zoom _1:1"), GTK_STOCK_ZOOM_100, G_CALLBACK(view_zoom_1_1_cb), vw);
1315         menu_item_add_stock(menu, _("Fit image to _window"), GTK_STOCK_ZOOM_FIT, G_CALLBACK(view_zoom_fit_cb), vw);
1316         menu_item_add_divider(menu);
1317
1318         editmenu_fd_list = view_window_get_fd_list(vw);
1319         g_signal_connect(G_OBJECT(menu), "destroy",
1320                          G_CALLBACK(view_popup_menu_destroy_cb), editmenu_fd_list);
1321         item = submenu_add_edit(menu, NULL, G_CALLBACK(view_edit_cb), vw, editmenu_fd_list);
1322         menu_item_add_divider(item);
1323 #if !GTK_CHECK_VERSION(3,0,0)
1324         menu_item_add(item, _("Set as _wallpaper"), G_CALLBACK(view_wallpaper_cb), vw);
1325 #endif
1326         submenu_add_alter(menu, G_CALLBACK(view_alter_cb), vw);
1327
1328         menu_item_add_stock(menu, _("View in _new window"), GTK_STOCK_NEW, G_CALLBACK(view_new_window_cb), vw);
1329         item = menu_item_add(menu, _("_Go to directory view"), G_CALLBACK(view_set_layout_path_cb), vw);
1330
1331         menu_item_add_divider(menu);
1332         menu_item_add_stock(menu, _("_Copy..."), GTK_STOCK_COPY, G_CALLBACK(view_copy_cb), vw);
1333         menu_item_add(menu, _("_Move..."), G_CALLBACK(view_move_cb), vw);
1334         menu_item_add(menu, _("_Rename..."), G_CALLBACK(view_rename_cb), vw);
1335         menu_item_add(menu, _("_Copy path"), G_CALLBACK(view_copy_path_cb), vw);
1336         menu_item_add(menu, _("_Copy path unquoted"), G_CALLBACK(view_copy_path_unquoted_cb), vw);
1337         menu_item_add_stock(menu, _("_Delete..."), GTK_STOCK_DELETE, G_CALLBACK(view_delete_cb), vw);
1338
1339         menu_item_add_divider(menu);
1340
1341         submenu_add_collections(menu, &item,
1342                                 G_CALLBACK(image_pop_menu_collections_cb), vw);
1343         gtk_widget_set_sensitive(item, TRUE);
1344         menu_item_add_divider(menu);
1345
1346         if (vw->ss)
1347                 {
1348                 menu_item_add(menu, _("_Stop slideshow"), G_CALLBACK(view_slideshow_stop_cb), vw);
1349                 if (slideshow_paused(vw->ss))
1350                         {
1351                         item = menu_item_add(menu, _("Continue slides_how"),
1352                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1353                         }
1354                 else
1355                         {
1356                         item = menu_item_add(menu, _("Pause slides_how"),
1357                                              G_CALLBACK(view_slideshow_pause_cb), vw);
1358                         }
1359                 }
1360         else
1361                 {
1362                 item = menu_item_add(menu, _("_Start slideshow"), G_CALLBACK(view_slideshow_start_cb), vw);
1363                 gtk_widget_set_sensitive(item, (vw->list != NULL) || view_window_contains_collection(vw));
1364                 item = menu_item_add(menu, _("Pause slides_how"), G_CALLBACK(view_slideshow_pause_cb), vw);
1365                 gtk_widget_set_sensitive(item, FALSE);
1366                 }
1367
1368         if (vw->fs)
1369                 {
1370                 menu_item_add(menu, _("Exit _full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1371                 }
1372         else
1373                 {
1374                 menu_item_add(menu, _("_Full screen"), G_CALLBACK(view_fullscreen_cb), vw);
1375                 }
1376
1377         menu_item_add_divider(menu);
1378         menu_item_add_stock(menu, _("C_lose window"), GTK_STOCK_CLOSE, G_CALLBACK(view_close_cb), vw);
1379
1380         return menu;
1381 }
1382
1383 /*
1384  *-------------------------------------------------------------------
1385  * dnd confirm dir
1386  *-------------------------------------------------------------------
1387  */
1388
1389 typedef struct {
1390         ViewWindow *vw;
1391         GList *list;
1392 } CViewConfirmD;
1393
1394 static void view_dir_list_cancel(GtkWidget *widget, gpointer data)
1395 {
1396         /* do nothing */
1397 }
1398
1399 static void view_dir_list_do(ViewWindow *vw, GList *list, gboolean skip, gboolean recurse)
1400 {
1401         GList *work;
1402
1403         view_window_set_list(vw, NULL);
1404
1405         work = list;
1406         while (work)
1407                 {
1408                 FileData *fd = work->data;
1409                 work = work->next;
1410
1411                 if (isdir(fd->path))
1412                         {
1413                         if (!skip)
1414                                 {
1415                                 GList *list = NULL;
1416
1417                                 if (recurse)
1418                                         {
1419                                         list = filelist_recursive(fd);
1420                                         }
1421                                 else
1422                                         { /*FIXME */
1423                                         filelist_read(fd, &list, NULL);
1424                                         list = filelist_sort_path(list);
1425                                         list = filelist_filter(list, FALSE);
1426                                         }
1427                                 if (list) vw->list = g_list_concat(vw->list, list);
1428                                 }
1429                         }
1430                 else
1431                         {
1432                         /* FIXME: no filtering here */
1433                         vw->list = g_list_append(vw->list, file_data_ref(fd));
1434                         }
1435                 }
1436
1437         if (vw->list)
1438                 {
1439                 FileData *fd;
1440
1441                 vw->list_pointer = vw->list;
1442                 fd = vw->list->data;
1443                 image_change_fd(vw->imd, fd, image_zoom_get_default(vw->imd));
1444
1445                 work = vw->list->next;
1446                 if (options->image.enable_read_ahead && work)
1447                         {
1448                         fd = work->data;
1449                         image_prebuffer_set(vw->imd, fd);
1450                         }
1451                 }
1452         else
1453                 {
1454                 image_change_fd(vw->imd, NULL, image_zoom_get_default(vw->imd));
1455                 }
1456 }
1457
1458 static void view_dir_list_add(GtkWidget *widget, gpointer data)
1459 {
1460         CViewConfirmD *d = data;
1461         view_dir_list_do(d->vw, d->list, FALSE, FALSE);
1462 }
1463
1464 static void view_dir_list_recurse(GtkWidget *widget, gpointer data)
1465 {
1466         CViewConfirmD *d = data;
1467         view_dir_list_do(d->vw, d->list, FALSE, TRUE);
1468 }
1469
1470 static void view_dir_list_skip(GtkWidget *widget, gpointer data)
1471 {
1472         CViewConfirmD *d = data;
1473         view_dir_list_do(d->vw, d->list, TRUE, FALSE);
1474 }
1475
1476 static void view_dir_list_destroy(GtkWidget *widget, gpointer data)
1477 {
1478         CViewConfirmD *d = data;
1479         filelist_free(d->list);
1480         g_free(d);
1481 }
1482
1483 static GtkWidget *view_confirm_dir_list(ViewWindow *vw, GList *list)
1484 {
1485         GtkWidget *menu;
1486         CViewConfirmD *d;
1487
1488         d = g_new(CViewConfirmD, 1);
1489         d->vw = vw;
1490         d->list = list;
1491
1492         menu = popup_menu_short_lived();
1493         g_signal_connect(G_OBJECT(menu), "destroy",
1494                          G_CALLBACK(view_dir_list_destroy), d);
1495
1496         menu_item_add_stock(menu, _("Dropped list includes folders."), GTK_STOCK_DND_MULTIPLE, NULL, NULL);
1497         menu_item_add_divider(menu);
1498         menu_item_add_stock(menu, _("_Add contents"), GTK_STOCK_OK, G_CALLBACK(view_dir_list_add), d);
1499         menu_item_add_stock(menu, _("Add contents _recursive"), GTK_STOCK_ADD, G_CALLBACK(view_dir_list_recurse), d);
1500         menu_item_add_stock(menu, _("_Skip folders"), GTK_STOCK_REMOVE, G_CALLBACK(view_dir_list_skip), d);
1501         menu_item_add_divider(menu);
1502         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, G_CALLBACK(view_dir_list_cancel), d);
1503
1504         return menu;
1505 }
1506
1507 /*
1508  *-----------------------------------------------------------------------------
1509  * image drag and drop routines
1510  *-----------------------------------------------------------------------------
1511  */
1512
1513 static void view_window_get_dnd_data(GtkWidget *widget, GdkDragContext *context,
1514                                      gint x, gint y,
1515                                      GtkSelectionData *selection_data, guint info,
1516                                      guint time, gpointer data)
1517 {
1518         ViewWindow *vw = data;
1519         ImageWindow *imd;
1520
1521         if (gtk_drag_get_source_widget(context) == vw->imd->pr) return;
1522
1523         imd = vw->imd;
1524
1525         if (info == TARGET_URI_LIST || info == TARGET_APP_COLLECTION_MEMBER)
1526                 {
1527                 CollectionData *source;
1528                 GList *list;
1529                 GList *info_list;
1530
1531                 if (info == TARGET_URI_LIST)
1532                         {
1533                         GList *work;
1534
1535                         list = uri_filelist_from_gtk_selection_data(selection_data);
1536
1537                         work = list;
1538                         while (work)
1539                                 {
1540                                 FileData *fd = work->data;
1541                                 if (isdir(fd->path))
1542                                         {
1543                                         GtkWidget *menu;
1544                                         menu = view_confirm_dir_list(vw, list);
1545                                         gtk_menu_popup(GTK_MENU(menu), NULL, NULL, NULL, NULL, 0, time);
1546                                         return;
1547                                         }
1548                                 work = work->next;
1549                                 }
1550
1551                         list = filelist_filter(list, FALSE);
1552
1553                         source = NULL;
1554                         info_list = NULL;
1555                         }
1556                 else
1557                         {
1558                         source = collection_from_dnd_data((gchar *)gtk_selection_data_get_data(selection_data), &list, &info_list);
1559                         }
1560
1561                 if (list)
1562                         {
1563                         FileData *fd;
1564
1565                         fd = list->data;
1566                         if (isfile(fd->path))
1567                                 {
1568                                 view_slideshow_stop(vw);
1569                                 view_window_set_list(vw, NULL);
1570
1571                                 if (source && info_list)
1572                                         {
1573                                         image_change_from_collection(imd, source, info_list->data, image_zoom_get_default(imd));
1574                                         }
1575                                 else
1576                                         {
1577                                         if (list->next)
1578                                                 {
1579                                                 vw->list = list;
1580                                                 list = NULL;
1581
1582                                                 vw->list_pointer = vw->list;
1583                                                 }
1584                                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1585                                         }
1586                                 }
1587                         }
1588                 filelist_free(list);
1589                 g_list_free(info_list);
1590                 }
1591 }
1592
1593 static void view_window_set_dnd_data(GtkWidget *widget, GdkDragContext *context,
1594                                      GtkSelectionData *selection_data, guint info,
1595                                      guint time, gpointer data)
1596 {
1597         ViewWindow *vw = data;
1598         FileData *fd;
1599
1600         fd = image_get_fd(vw->imd);
1601
1602         if (fd)
1603                 {
1604                 GList *list;
1605
1606                 list = g_list_append(NULL, fd);
1607                 uri_selection_data_set_uris_from_filelist(selection_data, list);
1608                 g_list_free(list);
1609                 }
1610         else
1611                 {
1612                 gtk_selection_data_set(selection_data, gtk_selection_data_get_target(selection_data),
1613                                        8, NULL, 0);
1614                 }
1615 }
1616
1617 static void view_window_dnd_init(ViewWindow *vw)
1618 {
1619         ImageWindow *imd;
1620
1621         imd = vw->imd;
1622
1623         gtk_drag_source_set(imd->pr, GDK_BUTTON2_MASK,
1624                             dnd_file_drag_types, dnd_file_drag_types_count,
1625                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1626         g_signal_connect(G_OBJECT(imd->pr), "drag_data_get",
1627                          G_CALLBACK(view_window_set_dnd_data), vw);
1628
1629         gtk_drag_dest_set(imd->pr,
1630                           GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
1631                           dnd_file_drop_types, dnd_file_drop_types_count,
1632                           GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_LINK);
1633         g_signal_connect(G_OBJECT(imd->pr), "drag_data_received",
1634                          G_CALLBACK(view_window_get_dnd_data), vw);
1635 }
1636
1637 /*
1638  *-----------------------------------------------------------------------------
1639  * maintenance (for rename, move, remove)
1640  *-----------------------------------------------------------------------------
1641  */
1642
1643 static void view_real_removed(ViewWindow *vw, FileData *fd)
1644 {
1645         ImageWindow *imd;
1646         FileData *image_fd;
1647
1648         imd = view_window_active_image(vw);
1649         image_fd = image_get_fd(imd);
1650
1651         if (image_fd && image_fd == fd)
1652                 {
1653                 if (vw->list)
1654                         {
1655                         view_list_step(vw, TRUE);
1656                         if (image_get_fd(imd) == image_fd)
1657                                 {
1658                                 view_list_step(vw, FALSE);
1659                                 }
1660                         }
1661                 else if (view_window_contains_collection(vw))
1662                         {
1663                         view_collection_step(vw, TRUE);
1664                         if (image_get_fd(imd) == image_fd)
1665                                 {
1666                                 view_collection_step(vw, FALSE);
1667                                 }
1668                         }
1669                 if (image_get_fd(imd) == image_fd)
1670                         {
1671                         image_change_fd(imd, NULL, image_zoom_get_default(imd));
1672                         }
1673                 }
1674
1675         if (vw->list)
1676                 {
1677                 GList *work;
1678                 GList *old;
1679
1680                 old = vw->list_pointer;
1681
1682                 work = vw->list;
1683                 while (work)
1684                         {
1685                         FileData *chk_fd;
1686                         GList *chk_link;
1687
1688                         chk_fd = work->data;
1689                         chk_link = work;
1690                         work = work->next;
1691
1692                         if (chk_fd == fd)
1693                                 {
1694                                 if (vw->list_pointer == chk_link)
1695                                         {
1696                                         vw->list_pointer = (chk_link->next) ? chk_link->next : chk_link->prev;
1697                                         }
1698                                 vw->list = g_list_remove(vw->list, chk_fd);
1699                                 file_data_unref(chk_fd);
1700                                 }
1701                         }
1702
1703                 /* handles stepping correctly when same image is in the list more than once */
1704                 if (old && old != vw->list_pointer)
1705                         {
1706                         FileData *fd;
1707
1708                         if (vw->list_pointer)
1709                                 {
1710                                 fd = vw->list_pointer->data;
1711                                 }
1712                         else
1713                                 {
1714                                 fd = NULL;
1715                                 }
1716
1717                         image_change_fd(imd, fd, image_zoom_get_default(imd));
1718                         }
1719                 }
1720
1721         image_osd_update(imd);
1722 }
1723
1724 static void view_window_notify_cb(FileData *fd, NotifyType type, gpointer data)
1725 {
1726         ViewWindow *vw = data;
1727
1728         if (!(type & NOTIFY_CHANGE) || !fd->change) return;
1729
1730         DEBUG_1("Notify view_window: %s %04x", fd->path, type);
1731
1732         switch (fd->change->type)
1733                 {
1734                 case FILEDATA_CHANGE_MOVE:
1735                 case FILEDATA_CHANGE_RENAME:
1736                         break;
1737                 case FILEDATA_CHANGE_COPY:
1738                         break;
1739                 case FILEDATA_CHANGE_DELETE:
1740                         view_real_removed(vw, fd);
1741                         break;
1742                 case FILEDATA_CHANGE_UNSPECIFIED:
1743                 case FILEDATA_CHANGE_WRITE_METADATA:
1744                         break;
1745                 }
1746 }
1747 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */