src/view_dir_tree.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  * Copyright (C) 2008 - 2009 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 "filedata.h"
  20 #include "layout.h"
  21 #include "layout_image.h"
  22 #include "layout_util.h"
  23 #include "utilops.h"
  24 #include "ui_fileops.h"
  25 #include "ui_menu.h"
  26 #include "ui_tree_edit.h"
  27 #include "view_dir.h"
  28
  29 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  30
  31
  32 #define VDTREE(_vd_) ((ViewDirInfoTree *)(_vd_->info))
  33
  34
  35 typedef struct _PathData PathData;
  36 struct _PathData
  37 {
  38         gchar *name;
  39         FileData *node;
  40 };
  41
  42
  43
  44
  45 /*
  46  *----------------------------------------------------------------------------
  47  * utils
  48  *----------------------------------------------------------------------------
  49  */
  50
  51 static void set_cursor(GtkWidget *widget, GdkCursorType cursor_type)
  52 {
  53         GdkCursor *cursor = NULL;
  54
  55         if (!widget || !widget->window) return;
  56
  57         if (cursor_type > -1) cursor = gdk_cursor_new(cursor_type);
  58         gdk_window_set_cursor(widget->window, cursor);
  59         if (cursor) gdk_cursor_unref(cursor);
  60         gdk_flush();
  61 }
  62
  63 static void vdtree_busy_push(ViewDir *vd)
  64 {
  65         if (VDTREE(vd)->busy_ref == 0) set_cursor(vd->view, GDK_WATCH);
  66         VDTREE(vd)->busy_ref++;
  67 }
  68
  69 static void vdtree_busy_pop(ViewDir *vd)
  70 {
  71         if (VDTREE(vd)->busy_ref == 1) set_cursor(vd->view, -1);
  72         if (VDTREE(vd)->busy_ref > 0) VDTREE(vd)->busy_ref--;
  73 }
  74
  75 gboolean vdtree_find_row(ViewDir *vd, FileData *fd, GtkTreeIter *iter, GtkTreeIter *parent)
  76 {
  77         GtkTreeModel *store;
  78         gboolean valid;
  79
  80         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
  81         if (parent)
  82                 {
  83                 valid = gtk_tree_model_iter_children(store, iter, parent);
  84                 }
  85         else
  86                 {
  87                 valid = gtk_tree_model_get_iter_first(store, iter);
  88                 }
  89         while (valid)
  90                 {
  91                 NodeData *nd;
  92                 GtkTreeIter found;
  93
  94                 gtk_tree_model_get(GTK_TREE_MODEL(store), iter, DIR_COLUMN_POINTER, &nd, -1);
  95                 if (nd->fd == fd) return TRUE;
  96
  97                 if (vdtree_find_row(vd, fd, &found, iter))
  98                         {
  99                         memcpy(iter, &found, sizeof(found));
 100                         return TRUE;
 101                         }
 102
 103                 valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(store), iter);
 104                 }
 105
 106         return FALSE;
 107 }
 108
 109 static void vdtree_icon_set_by_iter(ViewDir *vd, GtkTreeIter *iter, GdkPixbuf *pixbuf)
 110 {
 111         GtkTreeModel *store;
 112         GdkPixbuf *old;
 113
 114         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 115         gtk_tree_model_get(store, iter, DIR_COLUMN_ICON, &old, -1);
 116         if (old != vd->pf->deny)
 117                 {
 118                 gtk_tree_store_set(GTK_TREE_STORE(store), iter, DIR_COLUMN_ICON, pixbuf, -1);
 119                 }
 120 }
 121
 122 static void vdtree_expand_by_iter(ViewDir *vd, GtkTreeIter *iter, gboolean expand)
 123 {
 124         GtkTreeModel *store;
 125         GtkTreePath *tpath;
 126
 127         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 128         tpath = gtk_tree_model_get_path(store, iter);
 129         if (expand)
 130                 {
 131                 gtk_tree_view_expand_row(GTK_TREE_VIEW(vd->view), tpath, FALSE);
 132                 vdtree_icon_set_by_iter(vd, iter, vd->pf->open);
 133                 }
 134         else
 135                 {
 136                 gtk_tree_view_collapse_row(GTK_TREE_VIEW(vd->view), tpath);
 137                 }
 138         gtk_tree_path_free(tpath);
 139 }
 140
 141 static void vdtree_expand_by_data(ViewDir *vd, FileData *fd, gboolean expand)
 142 {
 143         GtkTreeIter iter;
 144
 145         if (vd_find_row(vd, fd, &iter))
 146                 {
 147                 vdtree_expand_by_iter(vd, &iter, expand);
 148                 }
 149 }
 150
 151 static void vdtree_node_free(NodeData *nd)
 152 {
 153         if (!nd) return;
 154
 155         file_data_unref(nd->fd);
 156         g_free(nd);
 157 }
 158
 159 /*
 160  *----------------------------------------------------------------------------
 161  * dnd
 162  *----------------------------------------------------------------------------
 163  */
 164
 165 static gboolean vdtree_dnd_drop_expand_cb(gpointer data)
 166 {
 167         ViewDir *vd = data;
 168         GtkTreeIter iter;
 169
 170         if (vd->drop_fd && vd_find_row(vd, vd->drop_fd, &iter))
 171                 {
 172                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->dir_fd);
 173                 vdtree_expand_by_data(vd, vd->drop_fd, TRUE);
 174                 }
 175
 176         VDTREE(vd)->drop_expand_id = 0;
 177         return FALSE;
 178 }
 179
 180 static void vdtree_dnd_drop_expand_cancel(ViewDir *vd)
 181 {
 182         if (VDTREE(vd)->drop_expand_id)
 183                 {
 184                 g_source_remove(VDTREE(vd)->drop_expand_id);
 185                 VDTREE(vd)->drop_expand_id = 0;
 186                 }
 187 }
 188
 189 static void vdtree_dnd_drop_expand(ViewDir *vd)
 190 {
 191         vdtree_dnd_drop_expand_cancel(vd);
 192         VDTREE(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 != G_DIR_SEPARATOR) return NULL;
 210
 211         strp++;
 212         strb = strp;
 213         l = 0;
 214
 215         while (*strp != '\0')
 216                 {
 217                 if (*strp == G_DIR_SEPARATOR)
 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(G_DIR_SEPARATOR_S));
 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         gboolean 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 gboolean 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 NodeData *vdtree_find_iter_by_fd(ViewDir *vd, GtkTreeIter *parent, FileData *fd, GtkTreeIter *iter)
 364 {
 365         GtkTreeModel *store;
 366
 367         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 368         if (!fd || !gtk_tree_model_iter_children(store, iter, parent)) return NULL;
 369         do      {
 370                 NodeData *nd;
 371
 372                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 373                 if (nd && nd->fd == fd) return nd;
 374                 } while (gtk_tree_model_iter_next(store, iter));
 375
 376         return NULL;
 377 }
 378
 379 static void vdtree_add_by_data(ViewDir *vd, FileData *fd, GtkTreeIter *parent)
 380 {
 381         GtkTreeStore *store;
 382         GtkTreeIter child;
 383         NodeData *nd;
 384         GdkPixbuf *pixbuf;
 385         NodeData *end;
 386         GtkTreeIter empty;
 387
 388         if (!fd) return;
 389
 390         if (access_file(fd->path, R_OK | X_OK))
 391                 {
 392                 pixbuf = vd->pf->close;
 393                 }
 394         else
 395                 {
 396                 pixbuf = vd->pf->deny;
 397                 }
 398
 399         nd = g_new0(NodeData, 1);
 400         nd->fd = fd;
 401         nd->version = fd->version;
 402         nd->expanded = FALSE;
 403         nd->last_update = time(NULL);
 404
 405         store = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view)));
 406         gtk_tree_store_append(store, &child, parent);
 407         gtk_tree_store_set(store, &child, DIR_COLUMN_POINTER, nd,
 408                                          DIR_COLUMN_ICON, pixbuf,
 409                                          DIR_COLUMN_NAME, nd->fd->name,
 410                                          DIR_COLUMN_COLOR, FALSE, -1);
 411
 412         /* all nodes are created with an "empty" node, so that the expander is shown
 413          * this is removed when the child is populated */
 414         end = g_new0(NodeData, 1);
 415         end->fd = file_data_new_simple("");
 416         end->expanded = TRUE;
 417
 418         gtk_tree_store_append(store, &empty, &child);
 419         gtk_tree_store_set(store, &empty, DIR_COLUMN_POINTER, end,
 420                                           DIR_COLUMN_NAME, "empty", -1);
 421
 422         if (parent)
 423                 {
 424                 NodeData *pnd;
 425                 GtkTreePath *tpath;
 426
 427                 gtk_tree_model_get(GTK_TREE_MODEL(store), parent, DIR_COLUMN_POINTER, &pnd, -1);
 428                 tpath = gtk_tree_model_get_path(GTK_TREE_MODEL(store), parent);
 429                 if (options->tree_descend_subdirs &&
 430                     gtk_tree_view_row_expanded(GTK_TREE_VIEW(vd->view), tpath) &&
 431                     !nd->expanded)
 432                         {
 433                         vdtree_populate_path_by_iter(vd, &child, FALSE, vd->dir_fd);
 434                         }
 435                 gtk_tree_path_free(tpath);
 436                 }
 437 }
 438
 439 gboolean vdtree_populate_path_by_iter(ViewDir *vd, GtkTreeIter *iter, gboolean force, FileData *target_fd)
 440 {
 441         GtkTreeModel *store;
 442         GList *list;
 443         GList *work;
 444         GList *old;
 445         time_t current_time;
 446         GtkTreeIter child;
 447         NodeData *nd;
 448
 449         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 450         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 451
 452         if (!nd) return FALSE;
 453
 454         current_time = time(NULL);
 455
 456         if (nd->expanded)
 457                 {
 458                 if (!isdir(nd->fd->path))
 459                         {
 460                         if (vd->click_fd == nd->fd) vd->click_fd = NULL;
 461                         if (vd->drop_fd == nd->fd) vd->drop_fd = NULL;
 462                         gtk_tree_store_remove(GTK_TREE_STORE(store), iter);
 463                         vdtree_node_free(nd);
 464                         return FALSE;
 465                         }
 466                 if (!force && current_time - nd->last_update < 2)
 467                         {
 468                         DEBUG_1("Too frequent update of %s", nd->fd->path);
 469                         return TRUE;
 470                         }
 471                 if (nd->fd->version == nd->version) return TRUE;
 472                 }
 473
 474         vdtree_busy_push(vd);
 475
 476         filelist_read(nd->fd, NULL, &list);
 477
 478         /* when hidden files are not enabled, and the user enters a hidden path,
 479          * allow the tree to display that path by specifically inserting the hidden entries
 480          */
 481         if (!options->file_filter.show_hidden_files &&
 482             target_fd &&
 483             strncmp(nd->fd->path, target_fd->path, strlen(nd->fd->path)) == 0)
 484                 {
 485                 gint n;
 486
 487                 n = strlen(nd->fd->path);
 488                 if (target_fd->path[n] == G_DIR_SEPARATOR && target_fd->path[n+1] == '.')
 489                         {
 490                         gchar *name8;
 491                         struct stat sbuf;
 492
 493                         n++;
 494
 495                         while (target_fd->path[n] != '\0' && target_fd->path[n] != G_DIR_SEPARATOR) n++;
 496                         name8 = g_strndup(target_fd->path, n);
 497
 498                         if (stat_utf8(name8, &sbuf))
 499                                 {
 500                                 list = g_list_prepend(list, file_data_new_simple(name8));
 501                                 }
 502
 503                         g_free(name8);
 504                         }
 505                 }
 506
 507         old = NULL;
 508         if (gtk_tree_model_iter_children(store, &child, iter))
 509                 {
 510                 do      {
 511                         NodeData *cnd;
 512
 513                         gtk_tree_model_get(store, &child, DIR_COLUMN_POINTER, &cnd, -1);
 514                         old = g_list_prepend(old, cnd);
 515                         } while (gtk_tree_model_iter_next(store, &child));
 516                 }
 517
 518         work = list;
 519         while (work)
 520                 {
 521                 FileData *fd;
 522
 523                 fd = work->data;
 524                 work = work->next;
 525
 526                 if (strcmp(fd->name, ".") == 0 || strcmp(fd->name, "..") == 0)
 527                         {
 528                         file_data_unref(fd);
 529                         }
 530                 else
 531                         {
 532                         NodeData *cnd;
 533
 534                         cnd = vdtree_find_iter_by_fd(vd, iter, fd, &child);
 535                         if (cnd)
 536                                 {
 537                                 if (cnd->expanded && cnd->version != fd->version)
 538                                         {
 539                                         vdtree_populate_path_by_iter(vd, &child, FALSE, target_fd);
 540                                         }
 541
 542                                 gtk_tree_store_set(GTK_TREE_STORE(store), &child, DIR_COLUMN_NAME, fd->name, -1);
 543                                 cnd->version = fd->version;
 544                                 old = g_list_remove(old, cnd);
 545                                 file_data_unref(fd);
 546                                 }
 547                         else
 548                                 {
 549                                 vdtree_add_by_data(vd, fd, iter);
 550                                 }
 551                         }
 552                 }
 553
 554         work = old;
 555         while (work)
 556                 {
 557                 NodeData *cnd = work->data;
 558                 work = work->next;
 559
 560                 if (vd->click_fd == cnd->fd) vd->click_fd = NULL;
 561                 if (vd->drop_fd == cnd->fd) vd->drop_fd = NULL;
 562
 563                 if (vdtree_find_iter_by_data(vd, iter, cnd, &child))
 564                         {
 565                         gtk_tree_store_remove(GTK_TREE_STORE(store), &child);
 566                         vdtree_node_free(cnd);
 567                         }
 568                 }
 569
 570         g_list_free(old);
 571         g_list_free(list);
 572
 573         vdtree_busy_pop(vd);
 574
 575         nd->expanded = TRUE;
 576         nd->last_update = current_time;
 577
 578         return TRUE;
 579 }
 580
 581 FileData *vdtree_populate_path(ViewDir *vd, FileData *target_fd, gboolean expand, gboolean force)
 582 {
 583         GList *list;
 584         GList *work;
 585         FileData *fd = NULL;
 586
 587         if (!target_fd) return NULL;
 588
 589         vdtree_busy_push(vd);
 590
 591         list = parts_list(target_fd->path);
 592         list = parts_list_add_node_points(vd, list);
 593
 594         work = list;
 595         while (work)
 596                 {
 597                 PathData *pd = work->data;
 598                 if (pd->node == NULL)
 599                         {
 600                         PathData *parent_pd;
 601                         GtkTreeIter parent_iter;
 602                         GtkTreeIter iter;
 603                         NodeData *nd;
 604
 605                         if (work == list)
 606                                 {
 607                                 /* should not happen */
 608                                 log_printf("vdtree warning, root node not found\n");
 609                                 parts_list_free(list);
 610                                 vdtree_busy_pop(vd);
 611                                 return NULL;
 612                                 }
 613
 614                         parent_pd = work->prev->data;
 615
 616                         if (!vd_find_row(vd, parent_pd->node, &parent_iter) ||
 617                             !vdtree_populate_path_by_iter(vd, &parent_iter, force, target_fd) ||
 618                             (nd = vdtree_find_iter_by_name(vd, &parent_iter, pd->name, &iter)) == NULL)
 619                                 {
 620                                 log_printf("vdtree warning, aborted at %s\n", parent_pd->name);
 621                                 parts_list_free(list);
 622                                 vdtree_busy_pop(vd);
 623                                 return NULL;
 624                                 }
 625
 626                         pd->node = nd->fd;
 627
 628                         if (pd->node)
 629                                 {
 630                                 if (expand)
 631                                         {
 632                                         vdtree_expand_by_iter(vd, &parent_iter, TRUE);
 633                                         vdtree_expand_by_iter(vd, &iter, TRUE);
 634                                         }
 635                                 vdtree_populate_path_by_iter(vd, &iter, force, target_fd);
 636                                 }
 637                         }
 638                 else
 639                         {
 640                         GtkTreeIter iter;
 641
 642                         if (vd_find_row(vd, pd->node, &iter))
 643                                 {
 644                                 if (expand) vdtree_expand_by_iter(vd, &iter, TRUE);
 645                                 vdtree_populate_path_by_iter(vd, &iter, force, target_fd);
 646                                 }
 647                         }
 648
 649                 work = work->next;
 650                 }
 651
 652         work = g_list_last(list);
 653         if (work)
 654                 {
 655                 PathData *pd = work->data;
 656                 fd = pd->node;
 657                 }
 658         parts_list_free(list);
 659
 660         vdtree_busy_pop(vd);
 661
 662         return fd;
 663 }
 664
 665 /*
 666  *----------------------------------------------------------------------------
 667  * access
 668  *----------------------------------------------------------------------------
 669  */
 670
 671 static gboolean selection_is_ok = FALSE;
 672
 673 static gboolean vdtree_select_cb(GtkTreeSelection *selection, GtkTreeModel *store, GtkTreePath *tpath,
 674                                  gboolean path_currently_selected, gpointer data)
 675 {
 676         return selection_is_ok;
 677 }
 678
 679 gboolean vdtree_set_fd(ViewDir *vd, FileData *dir_fd)
 680 {
 681         FileData *fd;
 682         GtkTreeIter iter;
 683
 684         if (!dir_fd) return FALSE;
 685         if (vd->dir_fd == dir_fd) return TRUE;
 686
 687         file_data_unref(vd->dir_fd);
 688         vd->dir_fd = file_data_ref(dir_fd);;
 689
 690         fd = vdtree_populate_path(vd, vd->dir_fd, TRUE, FALSE);
 691
 692         if (!fd) return FALSE;
 693
 694         if (vd_find_row(vd, fd, &iter))
 695                 {
 696                 GtkTreeModel *store;
 697                 GtkTreePath *tpath;
 698                 GtkTreeSelection *selection;
 699
 700                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 701                 tpath = gtk_tree_model_get_path(store, &iter);
 702                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(vd->view), tpath, NULL, FALSE);
 703                 gtk_tree_path_free(tpath);
 704
 705                 selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vd->view));
 706
 707                 /* hack, such that selection is only allowed to be changed from here */
 708                 selection_is_ok = TRUE;
 709                 gtk_tree_selection_select_iter(selection, &iter);
 710                 selection_is_ok = FALSE;
 711
 712                 tree_view_row_make_visible(GTK_TREE_VIEW(vd->view), &iter, TRUE);
 713                 }
 714
 715         return TRUE;
 716 }
 717
 718 #if 0
 719 const gchar *vdtree_get_path(ViewDir *vd)
 720 {
 721         return vd->path;
 722 }
 723 #endif
 724
 725 void vdtree_refresh(ViewDir *vd)
 726 {
 727         vdtree_populate_path(vd, vd->dir_fd, FALSE, TRUE);
 728 }
 729
 730 const gchar *vdtree_row_get_path(ViewDir *vd, gint row)
 731 {
 732         log_printf("FIXME: no get row path\n");
 733         return NULL;
 734 }
 735
 736 /*
 737  *----------------------------------------------------------------------------
 738  * callbacks
 739  *----------------------------------------------------------------------------
 740  */
 741
 742 gboolean vdtree_press_key_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 743 {
 744         ViewDir *vd = data;
 745         GtkTreePath *tpath;
 746         GtkTreeIter iter;
 747         FileData *fd = NULL;
 748
 749         gtk_tree_view_get_cursor(GTK_TREE_VIEW(vd->view), &tpath, NULL);
 750         if (tpath)
 751                 {
 752                 GtkTreeModel *store;
 753                 NodeData *nd;
 754
 755                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 756                 gtk_tree_model_get_iter(store, &iter, tpath);
 757                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 758
 759                 gtk_tree_path_free(tpath);
 760
 761                 fd = (nd) ? nd->fd : NULL;
 762                 }
 763
 764         switch (event->keyval)
 765                 {
 766                 case GDK_Menu:
 767                         vd->click_fd = fd;
 768                         vd_color_set(vd, vd->click_fd, TRUE);
 769
 770                         vd->popup = vd_pop_menu(vd, vd->click_fd);
 771                         gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, vd_menu_position_cb, vd, 0, GDK_CURRENT_TIME);
 772
 773                         return TRUE;
 774                         break;
 775                 case GDK_plus:
 776                 case GDK_Right:
 777                 case GDK_KP_Add:
 778                         if (fd)
 779                                 {
 780                                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->dir_fd);
 781                                 vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
 782                                 }
 783                         break;
 784                 }
 785
 786         return FALSE;
 787 }
 788
 789 static gboolean vdtree_clicked_on_expander(GtkTreeView *treeview, GtkTreePath *tpath,
 790                                            GtkTreeViewColumn *column, gint x, gint y, gint *left_of_expander)
 791 {
 792         gint depth;
 793         gint size;
 794         gint sep;
 795         gint exp_width;
 796
 797         if (column != gtk_tree_view_get_expander_column(treeview)) return FALSE;
 798
 799         gtk_widget_style_get(GTK_WIDGET(treeview), "expander-size", &size, "horizontal-separator", &sep, NULL);
 800         depth = gtk_tree_path_get_depth(tpath);
 801
 802         exp_width = sep + size + sep;
 803
 804         if (x <= depth * exp_width)
 805                 {
 806                 if (left_of_expander) *left_of_expander = !(x >= (depth - 1) * exp_width);
 807                 return TRUE;
 808                 }
 809
 810         return FALSE;
 811 }
 812
 813 gboolean vdtree_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 814 {
 815         ViewDir *vd = data;
 816         GtkTreePath *tpath;
 817         GtkTreeViewColumn *column;
 818         GtkTreeIter iter;
 819         NodeData *nd = NULL;
 820
 821         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
 822                                           &tpath, &column, NULL, NULL))
 823                 {
 824                 GtkTreeModel *store;
 825                 gint left_of_expander;
 826
 827                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 828                 gtk_tree_model_get_iter(store, &iter, tpath);
 829                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 830                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, NULL, FALSE);
 831
 832                 if (vdtree_clicked_on_expander(GTK_TREE_VIEW(widget), tpath, column, bevent->x, bevent->y, &left_of_expander))
 833                         {
 834                         vd->click_fd = NULL;
 835
 836                         /* clicking this region should automatically reveal an expander, if necessary
 837                          * treeview bug: the expander will not expand until a button_motion_event highlights it.
 838                          */
 839                         if (bevent->button == MOUSE_BUTTON_LEFT &&
 840                             !left_of_expander &&
 841                             !gtk_tree_view_row_expanded(GTK_TREE_VIEW(vd->view), tpath))
 842                                 {
 843                                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->dir_fd);
 844                                 vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
 845                                 }
 846
 847                         gtk_tree_path_free(tpath);
 848                         return FALSE;
 849                         }
 850
 851                 gtk_tree_path_free(tpath);
 852                 }
 853
 854         vd->click_fd = (nd) ? nd->fd : NULL;
 855         vd_color_set(vd, vd->click_fd, TRUE);
 856
 857         if (bevent->button == MOUSE_BUTTON_RIGHT)
 858                 {
 859                 vd->popup = vd_pop_menu(vd, vd->click_fd);
 860                 gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, NULL, NULL,
 861                                bevent->button, bevent->time);
 862                 }
 863
 864         return (bevent->button != MOUSE_BUTTON_LEFT);
 865 }
 866
 867 static void vdtree_row_expanded(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
 868 {
 869         ViewDir *vd = data;
 870
 871         vdtree_populate_path_by_iter(vd, iter, FALSE, NULL);
 872         vdtree_icon_set_by_iter(vd, iter, vd->pf->open);
 873 }
 874
 875 static void vdtree_row_collapsed(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
 876 {
 877         ViewDir *vd = data;
 878
 879         vdtree_icon_set_by_iter(vd, iter, vd->pf->close);
 880 }
 881
 882 static gint vdtree_sort_cb(GtkTreeModel *store, GtkTreeIter *a, GtkTreeIter *b, gpointer data)
 883 {
 884         NodeData *nda;
 885         NodeData *ndb;
 886
 887         gtk_tree_model_get(store, a, DIR_COLUMN_POINTER, &nda, -1);
 888         gtk_tree_model_get(store, b, DIR_COLUMN_POINTER, &ndb, -1);
 889
 890         if (options->file_sort.case_sensitive)
 891                 return strcmp(nda->fd->collate_key_name, ndb->fd->collate_key_name);
 892         else
 893                 return strcmp(nda->fd->collate_key_name_nocase, ndb->fd->collate_key_name_nocase);
 894 }
 895
 896 /*
 897  *----------------------------------------------------------------------------
 898  * core
 899  *----------------------------------------------------------------------------
 900  */
 901
 902 static void vdtree_setup_root(ViewDir *vd)
 903 {
 904         const gchar *path = G_DIR_SEPARATOR_S;
 905         FileData *fd;
 906
 907
 908         fd = file_data_new_simple(path);
 909         vdtree_add_by_data(vd, fd, NULL);
 910
 911         vdtree_expand_by_data(vd, fd, TRUE);
 912         vdtree_populate_path(vd, fd, FALSE, FALSE);
 913 }
 914
 915 static gboolean vdtree_destroy_node_cb(GtkTreeModel *store, GtkTreePath *tpath, GtkTreeIter *iter, gpointer data)
 916 {
 917         NodeData *nd;
 918
 919         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 920         vdtree_node_free(nd);
 921
 922         return FALSE;
 923 }
 924
 925 void vdtree_destroy_cb(GtkWidget *widget, gpointer data)
 926 {
 927         ViewDir *vd = data;
 928         GtkTreeModel *store;
 929
 930         vdtree_dnd_drop_expand_cancel(vd);
 931         vd_dnd_drop_scroll_cancel(vd);
 932         widget_auto_scroll_stop(vd->view);
 933
 934         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 935         gtk_tree_model_foreach(store, vdtree_destroy_node_cb, vd);
 936 }
 937
 938 ViewDir *vdtree_new(ViewDir *vd, FileData *dir_fd)
 939 {
 940         GtkTreeStore *store;
 941         GtkTreeSelection *selection;
 942         GtkTreeViewColumn *column;
 943         GtkCellRenderer *renderer;
 944
 945         vd->info = g_new0(ViewDirInfoTree, 1);
 946
 947         vd->type = DIRVIEW_TREE;
 948
 949         vd->dnd_drop_leave_func = vdtree_dnd_drop_expand_cancel;
 950         vd->dnd_drop_update_func = vdtree_dnd_drop_expand;
 951
 952         store = gtk_tree_store_new(4, G_TYPE_POINTER, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_INT);
 953         vd->view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
 954         g_object_unref(store);
 955
 956         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(vd->view), FALSE);
 957         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(vd->view), FALSE);
 958         gtk_tree_sortable_set_default_sort_func(GTK_TREE_SORTABLE(store), vdtree_sort_cb, vd, NULL);
 959         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
 960                                              GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, GTK_SORT_ASCENDING);
 961
 962         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vd->view));
 963         gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);
 964         gtk_tree_selection_set_select_function(selection, vdtree_select_cb, vd, NULL);
 965
 966         column = gtk_tree_view_column_new();
 967         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 968
 969         renderer = gtk_cell_renderer_pixbuf_new();
 970         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 971         gtk_tree_view_column_add_attribute(column, renderer, "pixbuf", DIR_COLUMN_ICON);
 972         gtk_tree_view_column_set_cell_data_func(column, renderer, vd_color_cb, vd, NULL);
 973
 974         renderer = gtk_cell_renderer_text_new();
 975         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 976         gtk_tree_view_column_add_attribute(column, renderer, "text", DIR_COLUMN_NAME);
 977         gtk_tree_view_column_set_cell_data_func(column, renderer, vd_color_cb, vd, NULL);
 978
 979         gtk_tree_view_append_column(GTK_TREE_VIEW(vd->view), column);
 980
 981         vdtree_setup_root(vd);
 982
 983         g_signal_connect(G_OBJECT(vd->view), "row_expanded",
 984                          G_CALLBACK(vdtree_row_expanded), vd);
 985         g_signal_connect(G_OBJECT(vd->view), "row_collapsed",
 986                          G_CALLBACK(vdtree_row_collapsed), vd);
 987
 988         return vd;
 989 }
 990 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */