src/view_dir_tree.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 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 "view_dir_tree.h"
  15
  16
  17 #include "dnd.h"
  18 #include "dupe.h"
  19 #include "filelist.h"
  20 #include "layout.h"
  21 #include "layout_image.h"
  22 #include "layout_util.h"
  23 #include "utilops.h"
  24 #include "ui_bookmark.h"
  25 #include "ui_fileops.h"
  26 #include "ui_menu.h"
  27 #include "ui_tree_edit.h"
  28 #include "view_dir.h"
  29
  30 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  31
  32
  33 #define VDTREE_INFO(_vd_, _part_) (((ViewDirInfoTree *)(_vd_->info))->_part_)
  34
  35
  36 typedef struct _PathData PathData;
  37 struct _PathData
  38 {
  39         gchar *name;
  40         FileData *node;
  41 };
  42
  43
  44
  45 static gint vdtree_populate_path_by_iter(ViewDir *vd, GtkTreeIter *iter, gint force, const gchar *target_path);
  46
  47
  48 /*
  49  *----------------------------------------------------------------------------
  50  * utils
  51  *----------------------------------------------------------------------------
  52  */
  53
  54 static void set_cursor(GtkWidget *widget, GdkCursorType cursor_type)
  55 {
  56         GdkCursor *cursor = NULL;
  57
  58         if (!widget || !widget->window) return;
  59
  60         if (cursor_type > -1) cursor = gdk_cursor_new(cursor_type);
  61         gdk_window_set_cursor(widget->window, cursor);
  62         if (cursor) gdk_cursor_unref(cursor);
  63         gdk_flush();
  64 }
  65
  66 static void vdtree_busy_push(ViewDir *vd)
  67 {
  68         if (VDTREE_INFO(vd, busy_ref) == 0) set_cursor(vd->view, GDK_WATCH);
  69         VDTREE_INFO(vd, busy_ref)++;
  70 }
  71
  72 static void vdtree_busy_pop(ViewDir *vd)
  73 {
  74         if (VDTREE_INFO(vd, busy_ref) == 1) set_cursor(vd->view, -1);
  75         if (VDTREE_INFO(vd, busy_ref) > 0) VDTREE_INFO(vd, busy_ref)--;
  76 }
  77
  78 gint vdtree_find_row(ViewDir *vd, FileData *fd, GtkTreeIter *iter, GtkTreeIter *parent)
  79 {
  80         GtkTreeModel *store;
  81         gint valid;
  82
  83         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
  84         if (parent)
  85                 {
  86                 valid = gtk_tree_model_iter_children(store, iter, parent);
  87                 }
  88         else
  89                 {
  90                 valid = gtk_tree_model_get_iter_first(store, iter);
  91                 }
  92         while (valid)
  93                 {
  94                 NodeData *nd;
  95                 GtkTreeIter found;
  96
  97                 gtk_tree_model_get(GTK_TREE_MODEL(store), iter, DIR_COLUMN_POINTER, &nd, -1);
  98                 if (nd->fd == fd) return TRUE;
  99
 100                 if (vdtree_find_row(vd, fd, &found, iter))
 101                         {
 102                         memcpy(iter, &found, sizeof(found));
 103                         return TRUE;
 104                         }
 105
 106                 valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(store), iter);
 107                 }
 108
 109         return FALSE;
 110 }
 111
 112 static void vdtree_icon_set_by_iter(ViewDir *vd, GtkTreeIter *iter, GdkPixbuf *pixbuf)
 113 {
 114         GtkTreeModel *store;
 115         GdkPixbuf *old;
 116
 117         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 118         gtk_tree_model_get(store, iter, DIR_COLUMN_ICON, &old, -1);
 119         if (old != vd->pf->deny)
 120                 {
 121                 gtk_tree_store_set(GTK_TREE_STORE(store), iter, DIR_COLUMN_ICON, pixbuf, -1);
 122                 }
 123 }
 124
 125 static void vdtree_expand_by_iter(ViewDir *vd, GtkTreeIter *iter, gint expand)
 126 {
 127         GtkTreeModel *store;
 128         GtkTreePath *tpath;
 129
 130         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 131         tpath = gtk_tree_model_get_path(store, iter);
 132         if (expand)
 133                 {
 134                 gtk_tree_view_expand_row(GTK_TREE_VIEW(vd->view), tpath, FALSE);
 135                 vdtree_icon_set_by_iter(vd, iter, vd->pf->open);
 136                 }
 137         else
 138                 {
 139                 gtk_tree_view_collapse_row(GTK_TREE_VIEW(vd->view), tpath);
 140                 }
 141         gtk_tree_path_free(tpath);
 142 }
 143
 144 static void vdtree_expand_by_data(ViewDir *vd, FileData *fd, gint expand)
 145 {
 146         GtkTreeIter iter;
 147
 148         if (vd_find_row(vd, fd, &iter))
 149                 {
 150                 vdtree_expand_by_iter(vd, &iter, expand);
 151                 }
 152 }
 153
 154 static void vdtree_node_free(NodeData *nd)
 155 {
 156         if (!nd) return;
 157
 158         file_data_unref(nd->fd);
 159         g_free(nd);
 160 }
 161
 162 /*
 163  *----------------------------------------------------------------------------
 164  * dnd
 165  *----------------------------------------------------------------------------
 166  */
 167
 168 static gint vdtree_dnd_drop_expand_cb(gpointer data)
 169 {
 170         ViewDir *vd = data;
 171         GtkTreeIter iter;
 172
 173         if (vd->drop_fd && vd_find_row(vd, vd->drop_fd, &iter))
 174                 {
 175                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->path);
 176                 vdtree_expand_by_data(vd, vd->drop_fd, TRUE);
 177                 }
 178
 179         VDTREE_INFO(vd, drop_expand_id) = -1;
 180         return FALSE;
 181 }
 182
 183 static void vdtree_dnd_drop_expand_cancel(ViewDir *vd)
 184 {
 185         if (VDTREE_INFO(vd, drop_expand_id) != -1) g_source_remove(VDTREE_INFO(vd, drop_expand_id));
 186         VDTREE_INFO(vd, drop_expand_id) = -1;
 187 }
 188
 189 static void vdtree_dnd_drop_expand(ViewDir *vd)
 190 {
 191         vdtree_dnd_drop_expand_cancel(vd);
 192         VDTREE_INFO(vd, drop_expand_id) = g_timeout_add(1000, vdtree_dnd_drop_expand_cb, vd);
 193 }
 194
 195 /*
 196  *----------------------------------------------------------------------------
 197  * parts lists
 198  *----------------------------------------------------------------------------
 199  */
 200
 201 static GList *parts_list(const gchar *path)
 202 {
 203         GList *list = NULL;
 204         const gchar *strb, *strp;
 205         gint l;
 206
 207         strp = path;
 208
 209         if (*strp != '/') return NULL;
 210
 211         strp++;
 212         strb = strp;
 213         l = 0;
 214
 215         while (*strp != '\0')
 216                 {
 217                 if (*strp == '/')
 218                         {
 219                         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 220                         strp++;
 221                         strb = strp;
 222                         l = 0;
 223                         }
 224                 else
 225                         {
 226                         strp++;
 227                         l++;
 228                         }
 229                 }
 230         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 231
 232         list = g_list_reverse(list);
 233
 234         list = g_list_prepend(list, g_strdup("/"));
 235
 236         return list;
 237 }
 238
 239 static void parts_list_free(GList *list)
 240 {
 241         GList *work = list;
 242         while (work)
 243                 {
 244                 PathData *pd = work->data;
 245                 g_free(pd->name);
 246                 g_free(pd);
 247                 work = work->next;
 248                 }
 249
 250         g_list_free(list);
 251 }
 252
 253 static GList *parts_list_add_node_points(ViewDir *vd, GList *list)
 254 {
 255         GList *work;
 256         GtkTreeModel *store;
 257         GtkTreeIter iter;
 258         gint valid;
 259
 260         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 261         valid = gtk_tree_model_get_iter_first(store, &iter);
 262
 263         work = list;
 264         while (work)
 265                 {
 266                 PathData *pd;
 267                 FileData *fd = NULL;
 268
 269                 pd = g_new0(PathData, 1);
 270                 pd->name = work->data;
 271
 272                 while (valid && !fd)
 273                         {
 274                         NodeData *nd;
 275
 276                         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 277                         if (strcmp(nd->fd->name, pd->name) == 0)
 278                                 {
 279                                 fd = nd->fd;
 280                                 }
 281                         else
 282                                 {
 283                                 valid = gtk_tree_model_iter_next(store, &iter);
 284                                 }
 285                         }
 286
 287                 pd->node = fd;
 288                 work->data = pd;
 289
 290                 if (fd)
 291                         {
 292                         GtkTreeIter parent;
 293                         memcpy(&parent, &iter, sizeof(parent));
 294                         valid = gtk_tree_model_iter_children(store, &iter, &parent);
 295                         }
 296
 297                 work = work->next;
 298                 }
 299
 300         return list;
 301 }
 302
 303 /*
 304  *----------------------------------------------------------------------------
 305  * misc
 306  *----------------------------------------------------------------------------
 307  */
 308
 309 #if 0
 310 static void vdtree_row_deleted_cb(GtkTreeModel *tree_model, GtkTreePath *tpath, gpointer data)
 311 {
 312         GtkTreeIter iter;
 313         NodeData *nd;
 314
 315         gtk_tree_model_get_iter(tree_model, &iter, tpath);
 316         gtk_tree_model_get(tree_model, &iter, DIR_COLUMN_POINTER, &nd, -1);
 317
 318         if (!nd) return;
 319
 320         file_data_unref(nd->fd);
 321         g_free(nd);
 322 }
 323 #endif
 324
 325 /*
 326  *----------------------------------------------------------------------------
 327  * node traversal, management
 328  *----------------------------------------------------------------------------
 329  */
 330
 331 static gint vdtree_find_iter_by_data(ViewDir *vd, GtkTreeIter *parent, NodeData *nd, GtkTreeIter *iter)
 332 {
 333         GtkTreeModel *store;
 334
 335         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 336         if (!nd || !gtk_tree_model_iter_children(store, iter, parent)) return -1;
 337         do      {
 338                 NodeData *cnd;
 339
 340                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &cnd, -1);
 341                 if (cnd == nd) return TRUE;
 342                 } while (gtk_tree_model_iter_next(store, iter));
 343
 344         return FALSE;
 345 }
 346
 347 static NodeData *vdtree_find_iter_by_name(ViewDir *vd, GtkTreeIter *parent, const gchar *name, GtkTreeIter *iter)
 348 {
 349         GtkTreeModel *store;
 350
 351         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 352         if (!name || !gtk_tree_model_iter_children(store, iter, parent)) return NULL;
 353         do      {
 354                 NodeData *nd;
 355
 356                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 357                 if (nd && strcmp(nd->fd->name, name) == 0) return nd;
 358                 } while (gtk_tree_model_iter_next(store, iter));
 359
 360         return NULL;
 361 }
 362
 363 static void vdtree_add_by_data(ViewDir *vd, FileData *fd, GtkTreeIter *parent)
 364 {
 365         GtkTreeStore *store;
 366         GtkTreeIter child;
 367         NodeData *nd;
 368         GdkPixbuf *pixbuf;
 369         NodeData *end;
 370         GtkTreeIter empty;
 371
 372         if (!fd) return;
 373
 374         if (access_file(fd->path, R_OK | X_OK))
 375                 {
 376                 pixbuf = vd->pf->close;
 377                 }
 378         else
 379                 {
 380                 pixbuf = vd->pf->deny;
 381                 }
 382
 383         nd = g_new0(NodeData, 1);
 384         nd->fd = fd;
 385         nd->expanded = FALSE;
 386         nd->last_update = time(NULL);
 387
 388         store = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view)));
 389         gtk_tree_store_append(store, &child, parent);
 390         gtk_tree_store_set(store, &child, DIR_COLUMN_POINTER, nd,
 391                                          DIR_COLUMN_ICON, pixbuf,
 392                                          DIR_COLUMN_NAME, nd->fd->name,
 393                                          DIR_COLUMN_COLOR, FALSE, -1);
 394
 395         /* all nodes are created with an "empty" node, so that the expander is shown
 396          * this is removed when the child is populated */
 397         end = g_new0(NodeData, 1);
 398         end->fd = file_data_new_simple("");
 399         end->expanded = TRUE;
 400
 401         gtk_tree_store_append(store, &empty, &child);
 402         gtk_tree_store_set(store, &empty, DIR_COLUMN_POINTER, end,
 403                                           DIR_COLUMN_NAME, "empty", -1);
 404
 405         if (parent)
 406                 {
 407                 NodeData *pnd;
 408                 GtkTreePath *tpath;
 409
 410                 gtk_tree_model_get(GTK_TREE_MODEL(store), parent, DIR_COLUMN_POINTER, &pnd, -1);
 411                 tpath = gtk_tree_model_get_path(GTK_TREE_MODEL(store), parent);
 412                 if (options->tree_descend_subdirs &&
 413                     gtk_tree_view_row_expanded(GTK_TREE_VIEW(vd->view), tpath) &&
 414                     !nd->expanded)
 415                         {
 416                         vdtree_populate_path_by_iter(vd, &child, FALSE, vd->path);
 417                         }
 418                 gtk_tree_path_free(tpath);
 419                 }
 420 }
 421
 422 static gint vdtree_populate_path_by_iter(ViewDir *vd, GtkTreeIter *iter, gint force, const gchar *target_path)
 423 {
 424         GtkTreeModel *store;
 425         GList *list;
 426         GList *work;
 427         GList *old;
 428         time_t current_time;
 429         GtkTreeIter child;
 430         NodeData *nd;
 431
 432         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 433         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 434
 435         if (!nd) return FALSE;
 436
 437         current_time = time(NULL);
 438
 439         if (nd->expanded)
 440                 {
 441                 if (!force && current_time - nd->last_update < 10) return TRUE;
 442                 if (!isdir(nd->fd->path))
 443                         {
 444                         if (vd->click_fd == nd->fd) vd->click_fd = NULL;
 445                         if (vd->drop_fd == nd->fd) vd->drop_fd = NULL;
 446                         gtk_tree_store_remove(GTK_TREE_STORE(store), iter);
 447                         vdtree_node_free(nd);
 448                         return FALSE;
 449                         }
 450                 if (!force && filetime(nd->fd->path) == nd->fd->date) return TRUE;
 451                 }
 452
 453         vdtree_busy_push(vd);
 454
 455         list = NULL;
 456         filelist_read(nd->fd->path, NULL, &list);
 457
 458         /* when hidden files are not enabled, and the user enters a hidden path,
 459          * allow the tree to display that path by specifically inserting the hidden entries
 460          */
 461         if (!options->file_filter.show_hidden_files &&
 462             target_path &&
 463             strncmp(nd->fd->path, target_path, strlen(nd->fd->path)) == 0)
 464                 {
 465                 gint n;
 466
 467                 n = strlen(nd->fd->path);
 468                 if (target_path[n] == '/' && target_path[n+1] == '.')
 469                         {
 470                         gchar *name8;
 471                         struct stat sbuf;
 472
 473                         n++;
 474
 475                         while (target_path[n] != '\0' && target_path[n] != '/') n++;
 476                         name8 = g_strndup(target_path, n);
 477
 478                         if (stat_utf8(name8, &sbuf))
 479                                 {
 480                                 list = g_list_prepend(list, file_data_new_simple(name8));
 481                                 }
 482
 483                         g_free(name8);
 484                         }
 485                 }
 486
 487         old = NULL;
 488         if (gtk_tree_model_iter_children(store, &child, iter))
 489                 {
 490                 do      {
 491                         NodeData *cnd;
 492
 493                         gtk_tree_model_get(store, &child, DIR_COLUMN_POINTER, &cnd, -1);
 494                         old = g_list_prepend(old, cnd);
 495                         } while (gtk_tree_model_iter_next(store, &child));
 496                 }
 497
 498         work = list;
 499         while (work)
 500                 {
 501                 FileData *fd;
 502
 503                 fd = work->data;
 504                 work = work->next;
 505
 506                 if (strcmp(fd->name, ".") == 0 || strcmp(fd->name, "..") == 0)
 507                         {
 508                         file_data_unref(fd);
 509                         }
 510                 else
 511                         {
 512                         NodeData *cnd;
 513
 514                         cnd = vdtree_find_iter_by_name(vd, iter, fd->name, &child);
 515                         if (cnd)
 516                                 {
 517                                 old = g_list_remove(old, cnd);
 518                                 if (cnd->expanded && cnd->fd->date != fd->date &&
 519                                     vdtree_populate_path_by_iter(vd, &child, FALSE, target_path))
 520                                         {
 521                                         cnd->fd->size = fd->size;
 522                                         cnd->fd->date = fd->date;
 523                                         }
 524
 525                                 file_data_unref(fd);
 526                                 }
 527                         else
 528                                 {
 529                                 vdtree_add_by_data(vd, fd, iter);
 530                                 }
 531                         }
 532                 }
 533
 534         work = old;
 535         while (work)
 536                 {
 537                 NodeData *cnd = work->data;
 538                 work = work->next;
 539
 540                 if (vd->click_fd == cnd->fd) vd->click_fd = NULL;
 541                 if (vd->drop_fd == cnd->fd) vd->drop_fd = NULL;
 542
 543                 if (vdtree_find_iter_by_data(vd, iter, cnd, &child))
 544                         {
 545                         gtk_tree_store_remove(GTK_TREE_STORE(store), &child);
 546                         vdtree_node_free(cnd);
 547                         }
 548                 }
 549
 550         g_list_free(old);
 551         g_list_free(list);
 552
 553         vdtree_busy_pop(vd);
 554
 555         nd->expanded = TRUE;
 556         nd->last_update = current_time;
 557
 558         return TRUE;
 559 }
 560
 561 FileData *vdtree_populate_path(ViewDir *vd, const gchar *path, gint expand, gint force)
 562 {
 563         GList *list;
 564         GList *work;
 565         FileData *fd = NULL;
 566
 567         if (!path) return NULL;
 568
 569         vdtree_busy_push(vd);
 570
 571         list = parts_list(path);
 572         list = parts_list_add_node_points(vd, list);
 573
 574         work = list;
 575         while (work)
 576                 {
 577                 PathData *pd = work->data;
 578                 if (pd->node == NULL)
 579                         {
 580                         PathData *parent_pd;
 581                         GtkTreeIter parent_iter;
 582                         GtkTreeIter iter;
 583                         NodeData *nd;
 584
 585                         if (work == list)
 586                                 {
 587                                 /* should not happen */
 588                                 printf("vdtree warning, root node not found\n");
 589                                 parts_list_free(list);
 590                                 vdtree_busy_pop(vd);
 591                                 return NULL;
 592                                 }
 593
 594                         parent_pd = work->prev->data;
 595
 596                         if (!vd_find_row(vd, parent_pd->node, &parent_iter) ||
 597                             !vdtree_populate_path_by_iter(vd, &parent_iter, force, path) ||
 598                             (nd = vdtree_find_iter_by_name(vd, &parent_iter, pd->name, &iter)) == NULL)
 599                                 {
 600                                 printf("vdtree warning, aborted at %s\n", parent_pd->name);
 601                                 parts_list_free(list);
 602                                 vdtree_busy_pop(vd);
 603                                 return NULL;
 604                                 }
 605
 606                         pd->node = nd->fd;
 607
 608                         if (pd->node)
 609                                 {
 610                                 if (expand)
 611                                         {
 612                                         vdtree_expand_by_iter(vd, &parent_iter, TRUE);
 613                                         vdtree_expand_by_iter(vd, &iter, TRUE);
 614                                         }
 615                                 vdtree_populate_path_by_iter(vd, &iter, force, path);
 616                                 }
 617                         }
 618                 else
 619                         {
 620                         GtkTreeIter iter;
 621
 622                         if (vd_find_row(vd, pd->node, &iter))
 623                                 {
 624                                 if (expand) vdtree_expand_by_iter(vd, &iter, TRUE);
 625                                 vdtree_populate_path_by_iter(vd, &iter, force, path);
 626                                 }
 627                         }
 628
 629                 work = work->next;
 630                 }
 631
 632         work = g_list_last(list);
 633         if (work)
 634                 {
 635                 PathData *pd = work->data;
 636                 fd = pd->node;
 637                 }
 638         parts_list_free(list);
 639
 640         vdtree_busy_pop(vd);
 641
 642         return fd;
 643 }
 644
 645 /*
 646  *----------------------------------------------------------------------------
 647  * access
 648  *----------------------------------------------------------------------------
 649  */
 650
 651 static gint selection_is_ok = FALSE;
 652
 653 static gboolean vdtree_select_cb(GtkTreeSelection *selection, GtkTreeModel *store, GtkTreePath *tpath,
 654                                  gboolean path_currently_selected, gpointer data)
 655 {
 656         return selection_is_ok;
 657 }
 658
 659 void vdtree_select_row(ViewDir *vd, FileData *fd)
 660 {
 661         GtkTreeSelection *selection;
 662         GtkTreeIter iter;
 663
 664         if (!vd_find_row(vd, fd, &iter)) return;
 665         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vd->view));
 666
 667         /* hack, such that selection is only allowed to be changed from here */
 668         selection_is_ok = TRUE;
 669         gtk_tree_selection_select_iter(selection, &iter);
 670         selection_is_ok = FALSE;
 671
 672         if (!vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->path)) return;
 673
 674         vdtree_expand_by_iter(vd, &iter, TRUE);
 675
 676         if (fd && vd->select_func)
 677                 {
 678                 vd->select_func(vd, fd->path, vd->select_data);
 679                 }
 680 }
 681
 682 gint vdtree_set_path(ViewDir *vd, const gchar *path)
 683 {
 684         FileData *fd;
 685         GtkTreeIter iter;
 686
 687         if (!path) return FALSE;
 688         if (vd->path && strcmp(path, vd->path) == 0) return TRUE;
 689
 690         g_free(vd->path);
 691         vd->path = g_strdup(path);
 692
 693         fd = vdtree_populate_path(vd, vd->path, TRUE, FALSE);
 694
 695         if (!fd) return FALSE;
 696
 697         if (vd_find_row(vd, fd, &iter))
 698                 {
 699                 GtkTreeModel *store;
 700                 GtkTreePath *tpath;
 701
 702                 tree_view_row_make_visible(GTK_TREE_VIEW(vd->view), &iter, TRUE);
 703
 704                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 705                 tpath = gtk_tree_model_get_path(store, &iter);
 706                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(vd->view), tpath, NULL, FALSE);
 707                 gtk_tree_path_free(tpath);
 708
 709                 vdtree_select_row(vd, fd);
 710                 }
 711
 712         return TRUE;
 713 }
 714
 715 #if 0
 716 const gchar *vdtree_get_path(ViewDir *vd)
 717 {
 718         return vd->path;
 719 }
 720 #endif
 721
 722 void vdtree_refresh(ViewDir *vd)
 723 {
 724         vdtree_populate_path(vd, vd->path, FALSE, TRUE);
 725 }
 726
 727 const gchar *vdtree_row_get_path(ViewDir *vd, gint row)
 728 {
 729         printf("FIXME: no get row path\n");
 730         return NULL;
 731 }
 732
 733 /*
 734  *----------------------------------------------------------------------------
 735  * callbacks
 736  *----------------------------------------------------------------------------
 737  */
 738
 739 gint vdtree_press_key_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 740 {
 741         ViewDir *vd = data;
 742         GtkTreePath *tpath;
 743         GtkTreeIter iter;
 744         FileData *fd = NULL;
 745
 746         gtk_tree_view_get_cursor(GTK_TREE_VIEW(vd->view), &tpath, NULL);
 747         if (tpath)
 748                 {
 749                 GtkTreeModel *store;
 750                 NodeData *nd;
 751
 752                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 753                 gtk_tree_model_get_iter(store, &iter, tpath);
 754                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 755
 756                 gtk_tree_path_free(tpath);
 757
 758                 fd = (nd) ? nd->fd : NULL;
 759                 }
 760
 761         switch (event->keyval)
 762                 {
 763                 case GDK_Menu:
 764                         vd->click_fd = fd;
 765                         vd_color_set(vd, vd->click_fd, TRUE);
 766
 767                         vd->popup = vd_pop_menu(vd, vd->click_fd);
 768                         gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, vd_menu_position_cb, vd, 0, GDK_CURRENT_TIME);
 769
 770                         return TRUE;
 771                         break;
 772                 case GDK_plus:
 773                 case GDK_Right:
 774                 case GDK_KP_Add:
 775                         if (fd)
 776                                 {
 777                                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->path);
 778                                 vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
 779                                 }
 780                         break;
 781                 }
 782
 783         return FALSE;
 784 }
 785
 786 static gint vdtree_clicked_on_expander(GtkTreeView *treeview, GtkTreePath *tpath,
 787                                        GtkTreeViewColumn *column, gint x, gint y, gint *left_of_expander)
 788 {
 789         gint depth;
 790         gint size;
 791         gint sep;
 792         gint exp_width;
 793
 794         if (column != gtk_tree_view_get_expander_column(treeview)) return FALSE;
 795
 796         gtk_widget_style_get(GTK_WIDGET(treeview), "expander-size", &size, "horizontal-separator", &sep, NULL);
 797         depth = gtk_tree_path_get_depth(tpath);
 798
 799         exp_width = sep + size + sep;
 800
 801         if (x <= depth * exp_width)
 802                 {
 803                 if (left_of_expander) *left_of_expander = !(x >= (depth - 1) * exp_width);
 804                 return TRUE;
 805                 }
 806
 807         return FALSE;
 808 }
 809
 810 gint vdtree_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 811 {
 812         ViewDir *vd = data;
 813         GtkTreePath *tpath;
 814         GtkTreeViewColumn *column;
 815         GtkTreeIter iter;
 816         NodeData *nd = NULL;
 817
 818         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
 819                                           &tpath, &column, NULL, NULL))
 820                 {
 821                 GtkTreeModel *store;
 822                 gint left_of_expander;
 823
 824                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 825                 gtk_tree_model_get_iter(store, &iter, tpath);
 826                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 827                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, NULL, FALSE);
 828
 829                 if (vdtree_clicked_on_expander(GTK_TREE_VIEW(widget), tpath, column, bevent->x, bevent->y, &left_of_expander))
 830                         {
 831                         vd->click_fd = NULL;
 832
 833                         /* clicking this region should automatically reveal an expander, if necessary
 834                          * treeview bug: the expander will not expand until a button_motion_event highlights it.
 835                          */
 836                         if (bevent->button == MOUSE_BUTTON_LEFT &&
 837                             !left_of_expander &&
 838                             !gtk_tree_view_row_expanded(GTK_TREE_VIEW(vd->view), tpath))
 839                                 {
 840                                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->path);
 841                                 vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
 842                                 }
 843
 844                         gtk_tree_path_free(tpath);
 845                         return FALSE;
 846                         }
 847
 848                 gtk_tree_path_free(tpath);
 849                 }
 850
 851         vd->click_fd = (nd) ? nd->fd : NULL;
 852         vd_color_set(vd, vd->click_fd, TRUE);
 853
 854         if (bevent->button == MOUSE_BUTTON_RIGHT)
 855                 {
 856                 vd->popup = vd_pop_menu(vd, vd->click_fd);
 857                 gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, NULL, NULL,
 858                                bevent->button, bevent->time);
 859                 }
 860
 861         return (bevent->button != MOUSE_BUTTON_LEFT);
 862 }
 863
 864 static void vdtree_row_expanded(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
 865 {
 866         ViewDir *vd = data;
 867
 868         vdtree_populate_path_by_iter(vd, iter, FALSE, NULL);
 869         vdtree_icon_set_by_iter(vd, iter, vd->pf->open);
 870 }
 871
 872 static void vdtree_row_collapsed(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
 873 {
 874         ViewDir *vd = data;
 875
 876         vdtree_icon_set_by_iter(vd, iter, vd->pf->close);
 877 }
 878
 879 static gint vdtree_sort_cb(GtkTreeModel *store, GtkTreeIter *a, GtkTreeIter *b, gpointer data)
 880 {
 881         NodeData *nda;
 882         NodeData *ndb;
 883
 884         gtk_tree_model_get(store, a, DIR_COLUMN_POINTER, &nda, -1);
 885         gtk_tree_model_get(store, b, DIR_COLUMN_POINTER, &ndb, -1);
 886
 887         return CASE_SORT(nda->fd->name, ndb->fd->name);
 888 }
 889
 890 /*
 891  *----------------------------------------------------------------------------
 892  * core
 893  *----------------------------------------------------------------------------
 894  */
 895
 896 static void vdtree_setup_root(ViewDir *vd)
 897 {
 898         const gchar *path = "/";
 899         FileData *fd;
 900
 901
 902         fd = file_data_new_simple(path);
 903         vdtree_add_by_data(vd, fd, NULL);
 904
 905         vdtree_expand_by_data(vd, fd, TRUE);
 906         vdtree_populate_path(vd, path, FALSE, FALSE);
 907 }
 908
 909 static gboolean vdtree_destroy_node_cb(GtkTreeModel *store, GtkTreePath *tpath, GtkTreeIter *iter, gpointer data)
 910 {
 911         NodeData *nd;
 912
 913         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 914         vdtree_node_free(nd);
 915
 916         return FALSE;
 917 }
 918
 919 void vdtree_destroy_cb(GtkWidget *widget, gpointer data)
 920 {
 921         ViewDir *vd = data;
 922         GtkTreeModel *store;
 923
 924         vdtree_dnd_drop_expand_cancel(vd);
 925         vd_dnd_drop_scroll_cancel(vd);
 926         widget_auto_scroll_stop(vd->view);
 927
 928         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 929         gtk_tree_model_foreach(store, vdtree_destroy_node_cb, vd);
 930 }
 931
 932 ViewDir *vdtree_new(ViewDir *vd, const gchar *path)
 933 {
 934         GtkTreeStore *store;
 935         GtkTreeSelection *selection;
 936         GtkTreeViewColumn *column;
 937         GtkCellRenderer *renderer;
 938
 939         vd->info = g_new0(ViewDirInfoTree, 1);
 940         vd->type = DIRVIEW_TREE;
 941
 942         VDTREE_INFO(vd, drop_expand_id) = -1;
 943         VDTREE_INFO(vd, busy_ref) = 0;
 944
 945         vd->dnd_drop_leave_func = vdtree_dnd_drop_expand_cancel;
 946         vd->dnd_drop_update_func = vdtree_dnd_drop_expand;
 947
 948         store = gtk_tree_store_new(4, G_TYPE_POINTER, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_INT);
 949         vd->view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
 950         g_object_unref(store);
 951
 952         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(vd->view), FALSE);
 953         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(vd->view), FALSE);
 954         gtk_tree_sortable_set_default_sort_func(GTK_TREE_SORTABLE(store), vdtree_sort_cb, vd, NULL);
 955         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
 956                                              GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, GTK_SORT_ASCENDING);
 957
 958         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vd->view));
 959         gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);
 960         gtk_tree_selection_set_select_function(selection, vdtree_select_cb, vd, NULL);
 961
 962         column = gtk_tree_view_column_new();
 963         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 964
 965         renderer = gtk_cell_renderer_pixbuf_new();
 966         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 967         gtk_tree_view_column_add_attribute(column, renderer, "pixbuf", DIR_COLUMN_ICON);
 968         gtk_tree_view_column_set_cell_data_func(column, renderer, vd_color_cb, vd, NULL);
 969
 970         renderer = gtk_cell_renderer_text_new();
 971         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 972         gtk_tree_view_column_add_attribute(column, renderer, "text", DIR_COLUMN_NAME);
 973         gtk_tree_view_column_set_cell_data_func(column, renderer, vd_color_cb, vd, NULL);
 974
 975         gtk_tree_view_append_column(GTK_TREE_VIEW(vd->view), column);
 976
 977         vdtree_setup_root(vd);
 978
 979         g_signal_connect(G_OBJECT(vd->view), "row_expanded",
 980                          G_CALLBACK(vdtree_row_expanded), vd);
 981         g_signal_connect(G_OBJECT(vd->view), "row_collapsed",
 982                          G_CALLBACK(vdtree_row_collapsed), vd);
 983
 984         return vd;
 985 }