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 "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_INFO(_vd_, _part_) (((ViewDirInfoTree *)(_vd_->info))->_part_)
  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_INFO(vd, busy_ref) == 0) set_cursor(vd->view, GDK_WATCH);
  66         VDTREE_INFO(vd, busy_ref)++;
  67 }
  68
  69 static void vdtree_busy_pop(ViewDir *vd)
  70 {
  71         if (VDTREE_INFO(vd, busy_ref) == 1) set_cursor(vd->view, -1);
  72         if (VDTREE_INFO(vd, busy_ref) > 0) VDTREE_INFO(vd, busy_ref)--;
  73 }
  74
  75 gint vdtree_find_row(ViewDir *vd, FileData *fd, GtkTreeIter *iter, GtkTreeIter *parent)
  76 {
  77         GtkTreeModel *store;
  78         gint 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, gint 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, gint 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 gint 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_INFO(vd, drop_expand_id) = -1;
 177         return FALSE;
 178 }
 179
 180 static void vdtree_dnd_drop_expand_cancel(ViewDir *vd)
 181 {
 182         if (VDTREE_INFO(vd, drop_expand_id) != -1) g_source_remove(VDTREE_INFO(vd, drop_expand_id));
 183         VDTREE_INFO(vd, drop_expand_id) = -1;
 184 }
 185
 186 static void vdtree_dnd_drop_expand(ViewDir *vd)
 187 {
 188         vdtree_dnd_drop_expand_cancel(vd);
 189         VDTREE_INFO(vd, drop_expand_id) = g_timeout_add(1000, vdtree_dnd_drop_expand_cb, vd);
 190 }
 191
 192 /*
 193  *----------------------------------------------------------------------------
 194  * parts lists
 195  *----------------------------------------------------------------------------
 196  */
 197
 198 static GList *parts_list(const gchar *path)
 199 {
 200         GList *list = NULL;
 201         const gchar *strb, *strp;
 202         gint l;
 203
 204         strp = path;
 205
 206         if (*strp != G_DIR_SEPARATOR) return NULL;
 207
 208         strp++;
 209         strb = strp;
 210         l = 0;
 211
 212         while (*strp != '\0')
 213                 {
 214                 if (*strp == G_DIR_SEPARATOR)
 215                         {
 216                         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 217                         strp++;
 218                         strb = strp;
 219                         l = 0;
 220                         }
 221                 else
 222                         {
 223                         strp++;
 224                         l++;
 225                         }
 226                 }
 227         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 228
 229         list = g_list_reverse(list);
 230
 231         list = g_list_prepend(list, g_strdup(G_DIR_SEPARATOR_S));
 232
 233         return list;
 234 }
 235
 236 static void parts_list_free(GList *list)
 237 {
 238         GList *work = list;
 239         while (work)
 240                 {
 241                 PathData *pd = work->data;
 242                 g_free(pd->name);
 243                 g_free(pd);
 244                 work = work->next;
 245                 }
 246
 247         g_list_free(list);
 248 }
 249
 250 static GList *parts_list_add_node_points(ViewDir *vd, GList *list)
 251 {
 252         GList *work;
 253         GtkTreeModel *store;
 254         GtkTreeIter iter;
 255         gint valid;
 256
 257         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 258         valid = gtk_tree_model_get_iter_first(store, &iter);
 259
 260         work = list;
 261         while (work)
 262                 {
 263                 PathData *pd;
 264                 FileData *fd = NULL;
 265
 266                 pd = g_new0(PathData, 1);
 267                 pd->name = work->data;
 268
 269                 while (valid && !fd)
 270                         {
 271                         NodeData *nd;
 272
 273                         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 274                         if (strcmp(nd->fd->name, pd->name) == 0)
 275                                 {
 276                                 fd = nd->fd;
 277                                 }
 278                         else
 279                                 {
 280                                 valid = gtk_tree_model_iter_next(store, &iter);
 281                                 }
 282                         }
 283
 284                 pd->node = fd;
 285                 work->data = pd;
 286
 287                 if (fd)
 288                         {
 289                         GtkTreeIter parent;
 290                         memcpy(&parent, &iter, sizeof(parent));
 291                         valid = gtk_tree_model_iter_children(store, &iter, &parent);
 292                         }
 293
 294                 work = work->next;
 295                 }
 296
 297         return list;
 298 }
 299
 300 /*
 301  *----------------------------------------------------------------------------
 302  * misc
 303  *----------------------------------------------------------------------------
 304  */
 305
 306 #if 0
 307 static void vdtree_row_deleted_cb(GtkTreeModel *tree_model, GtkTreePath *tpath, gpointer data)
 308 {
 309         GtkTreeIter iter;
 310         NodeData *nd;
 311
 312         gtk_tree_model_get_iter(tree_model, &iter, tpath);
 313         gtk_tree_model_get(tree_model, &iter, DIR_COLUMN_POINTER, &nd, -1);
 314
 315         if (!nd) return;
 316
 317         file_data_unref(nd->fd);
 318         g_free(nd);
 319 }
 320 #endif
 321
 322 /*
 323  *----------------------------------------------------------------------------
 324  * node traversal, management
 325  *----------------------------------------------------------------------------
 326  */
 327
 328 static gint vdtree_find_iter_by_data(ViewDir *vd, GtkTreeIter *parent, NodeData *nd, GtkTreeIter *iter)
 329 {
 330         GtkTreeModel *store;
 331
 332         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 333         if (!nd || !gtk_tree_model_iter_children(store, iter, parent)) return -1;
 334         do      {
 335                 NodeData *cnd;
 336
 337                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &cnd, -1);
 338                 if (cnd == nd) return TRUE;
 339                 } while (gtk_tree_model_iter_next(store, iter));
 340
 341         return FALSE;
 342 }
 343
 344 static NodeData *vdtree_find_iter_by_name(ViewDir *vd, GtkTreeIter *parent, const gchar *name, GtkTreeIter *iter)
 345 {
 346         GtkTreeModel *store;
 347
 348         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 349         if (!name || !gtk_tree_model_iter_children(store, iter, parent)) return NULL;
 350         do      {
 351                 NodeData *nd;
 352
 353                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 354                 if (nd && strcmp(nd->fd->name, name) == 0) return nd;
 355                 } while (gtk_tree_model_iter_next(store, iter));
 356
 357         return NULL;
 358 }
 359
 360 static void vdtree_add_by_data(ViewDir *vd, FileData *fd, GtkTreeIter *parent)
 361 {
 362         GtkTreeStore *store;
 363         GtkTreeIter child;
 364         NodeData *nd;
 365         GdkPixbuf *pixbuf;
 366         NodeData *end;
 367         GtkTreeIter empty;
 368
 369         if (!fd) return;
 370
 371         if (access_file(fd->path, R_OK | X_OK))
 372                 {
 373                 pixbuf = vd->pf->close;
 374                 }
 375         else
 376                 {
 377                 pixbuf = vd->pf->deny;
 378                 }
 379
 380         nd = g_new0(NodeData, 1);
 381         nd->fd = fd;
 382         nd->version = fd->version;
 383         nd->expanded = FALSE;
 384         nd->last_update = time(NULL);
 385
 386         store = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view)));
 387         gtk_tree_store_append(store, &child, parent);
 388         gtk_tree_store_set(store, &child, DIR_COLUMN_POINTER, nd,
 389                                          DIR_COLUMN_ICON, pixbuf,
 390                                          DIR_COLUMN_NAME, nd->fd->name,
 391                                          DIR_COLUMN_COLOR, FALSE, -1);
 392
 393         /* all nodes are created with an "empty" node, so that the expander is shown
 394          * this is removed when the child is populated */
 395         end = g_new0(NodeData, 1);
 396         end->fd = file_data_new_simple("");
 397         end->expanded = TRUE;
 398
 399         gtk_tree_store_append(store, &empty, &child);
 400         gtk_tree_store_set(store, &empty, DIR_COLUMN_POINTER, end,
 401                                           DIR_COLUMN_NAME, "empty", -1);
 402
 403         if (parent)
 404                 {
 405                 NodeData *pnd;
 406                 GtkTreePath *tpath;
 407
 408                 gtk_tree_model_get(GTK_TREE_MODEL(store), parent, DIR_COLUMN_POINTER, &pnd, -1);
 409                 tpath = gtk_tree_model_get_path(GTK_TREE_MODEL(store), parent);
 410                 if (options->tree_descend_subdirs &&
 411                     gtk_tree_view_row_expanded(GTK_TREE_VIEW(vd->view), tpath) &&
 412                     !nd->expanded)
 413                         {
 414                         vdtree_populate_path_by_iter(vd, &child, FALSE, vd->dir_fd);
 415                         }
 416                 gtk_tree_path_free(tpath);
 417                 }
 418 }
 419
 420 gint vdtree_populate_path_by_iter(ViewDir *vd, GtkTreeIter *iter, gint force, FileData *target_fd)
 421 {
 422         GtkTreeModel *store;
 423         GList *list;
 424         GList *work;
 425         GList *old;
 426         time_t current_time;
 427         GtkTreeIter child;
 428         NodeData *nd;
 429
 430         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 431         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 432
 433         if (!nd) return FALSE;
 434
 435         current_time = time(NULL);
 436
 437         if (nd->expanded)
 438                 {
 439                 if (!force && current_time - nd->last_update < 10) return TRUE;
 440                 if (!isdir(nd->fd->path))
 441                         {
 442                         if (vd->click_fd == nd->fd) vd->click_fd = NULL;
 443                         if (vd->drop_fd == nd->fd) vd->drop_fd = NULL;
 444                         gtk_tree_store_remove(GTK_TREE_STORE(store), iter);
 445                         vdtree_node_free(nd);
 446                         return FALSE;
 447                         }
 448                 if (!force && nd->fd->version == nd->version) return TRUE;
 449                 }
 450
 451         vdtree_busy_push(vd);
 452
 453         filelist_read(nd->fd, NULL, &list);
 454
 455         /* when hidden files are not enabled, and the user enters a hidden path,
 456          * allow the tree to display that path by specifically inserting the hidden entries
 457          */
 458         if (!options->file_filter.show_hidden_files &&
 459             target_fd &&
 460             strncmp(nd->fd->path, target_fd->path, strlen(nd->fd->path)) == 0)
 461                 {
 462                 gint n;
 463
 464                 n = strlen(nd->fd->path);
 465                 if (target_fd->path[n] == G_DIR_SEPARATOR && target_fd->path[n+1] == '.')
 466                         {
 467                         gchar *name8;
 468                         struct stat sbuf;
 469
 470                         n++;
 471
 472                         while (target_fd->path[n] != '\0' && target_fd->path[n] != G_DIR_SEPARATOR) n++;
 473                         name8 = g_strndup(target_fd->path, n);
 474
 475                         if (stat_utf8(name8, &sbuf))
 476                                 {
 477                                 list = g_list_prepend(list, file_data_new_simple(name8));
 478                                 }
 479
 480                         g_free(name8);
 481                         }
 482                 }
 483
 484         old = NULL;
 485         if (gtk_tree_model_iter_children(store, &child, iter))
 486                 {
 487                 do      {
 488                         NodeData *cnd;
 489
 490                         gtk_tree_model_get(store, &child, DIR_COLUMN_POINTER, &cnd, -1);
 491                         old = g_list_prepend(old, cnd);
 492                         } while (gtk_tree_model_iter_next(store, &child));
 493                 }
 494
 495         work = list;
 496         while (work)
 497                 {
 498                 FileData *fd;
 499
 500                 fd = work->data;
 501                 work = work->next;
 502
 503                 if (strcmp(fd->name, ".") == 0 || strcmp(fd->name, "..") == 0)
 504                         {
 505                         file_data_unref(fd);
 506                         }
 507                 else
 508                         {
 509                         NodeData *cnd;
 510
 511                         cnd = vdtree_find_iter_by_name(vd, iter, fd->name, &child);
 512                         if (cnd)
 513                                 {
 514                                 old = g_list_remove(old, cnd);
 515                                 if (cnd->expanded &&  cnd->version != fd->version &&
 516                                     vdtree_populate_path_by_iter(vd, &child, FALSE, target_fd))
 517                                         {
 518                                         gtk_tree_store_set(GTK_TREE_STORE(store), &child, DIR_COLUMN_NAME, fd->name, -1);
 519                                         cnd->version = fd->version;
 520                                         }
 521
 522                                 file_data_unref(fd);
 523                                 }
 524                         else
 525                                 {
 526                                 vdtree_add_by_data(vd, fd, iter);
 527                                 }
 528                         }
 529                 }
 530
 531         work = old;
 532         while (work)
 533                 {
 534                 NodeData *cnd = work->data;
 535                 work = work->next;
 536
 537                 if (vd->click_fd == cnd->fd) vd->click_fd = NULL;
 538                 if (vd->drop_fd == cnd->fd) vd->drop_fd = NULL;
 539
 540                 if (vdtree_find_iter_by_data(vd, iter, cnd, &child))
 541                         {
 542                         gtk_tree_store_remove(GTK_TREE_STORE(store), &child);
 543                         vdtree_node_free(cnd);
 544                         }
 545                 }
 546
 547         g_list_free(old);
 548         g_list_free(list);
 549
 550         vdtree_busy_pop(vd);
 551
 552         nd->expanded = TRUE;
 553         nd->last_update = current_time;
 554
 555         return TRUE;
 556 }
 557
 558 FileData *vdtree_populate_path(ViewDir *vd, FileData *target_fd, gint expand, gint force)
 559 {
 560         GList *list;
 561         GList *work;
 562         FileData *fd = NULL;
 563
 564         if (!target_fd) return NULL;
 565
 566         vdtree_busy_push(vd);
 567
 568         list = parts_list(target_fd->path);
 569         list = parts_list_add_node_points(vd, list);
 570
 571         work = list;
 572         while (work)
 573                 {
 574                 PathData *pd = work->data;
 575                 if (pd->node == NULL)
 576                         {
 577                         PathData *parent_pd;
 578                         GtkTreeIter parent_iter;
 579                         GtkTreeIter iter;
 580                         NodeData *nd;
 581
 582                         if (work == list)
 583                                 {
 584                                 /* should not happen */
 585                                 log_printf("vdtree warning, root node not found\n");
 586                                 parts_list_free(list);
 587                                 vdtree_busy_pop(vd);
 588                                 return NULL;
 589                                 }
 590
 591                         parent_pd = work->prev->data;
 592
 593                         if (!vd_find_row(vd, parent_pd->node, &parent_iter) ||
 594                             !vdtree_populate_path_by_iter(vd, &parent_iter, force, target_fd) ||
 595                             (nd = vdtree_find_iter_by_name(vd, &parent_iter, pd->name, &iter)) == NULL)
 596                                 {
 597                                 log_printf("vdtree warning, aborted at %s\n", parent_pd->name);
 598                                 parts_list_free(list);
 599                                 vdtree_busy_pop(vd);
 600                                 return NULL;
 601                                 }
 602
 603                         pd->node = nd->fd;
 604
 605                         if (pd->node)
 606                                 {
 607                                 if (expand)
 608                                         {
 609                                         vdtree_expand_by_iter(vd, &parent_iter, TRUE);
 610                                         vdtree_expand_by_iter(vd, &iter, TRUE);
 611                                         }
 612                                 vdtree_populate_path_by_iter(vd, &iter, force, target_fd);
 613                                 }
 614                         }
 615                 else
 616                         {
 617                         GtkTreeIter iter;
 618
 619                         if (vd_find_row(vd, pd->node, &iter))
 620                                 {
 621                                 if (expand) vdtree_expand_by_iter(vd, &iter, TRUE);
 622                                 vdtree_populate_path_by_iter(vd, &iter, force, target_fd);
 623                                 }
 624                         }
 625
 626                 work = work->next;
 627                 }
 628
 629         work = g_list_last(list);
 630         if (work)
 631                 {
 632                 PathData *pd = work->data;
 633                 fd = pd->node;
 634                 }
 635         parts_list_free(list);
 636
 637         vdtree_busy_pop(vd);
 638
 639         return fd;
 640 }
 641
 642 /*
 643  *----------------------------------------------------------------------------
 644  * access
 645  *----------------------------------------------------------------------------
 646  */
 647
 648 static gint selection_is_ok = FALSE;
 649
 650 static gboolean vdtree_select_cb(GtkTreeSelection *selection, GtkTreeModel *store, GtkTreePath *tpath,
 651                                  gboolean path_currently_selected, gpointer data)
 652 {
 653         return selection_is_ok;
 654 }
 655
 656 void vdtree_select_row(ViewDir *vd, FileData *fd)
 657 {
 658         GtkTreeSelection *selection;
 659         GtkTreeIter iter;
 660
 661         if (!vd_find_row(vd, fd, &iter)) return;
 662         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vd->view));
 663
 664         /* hack, such that selection is only allowed to be changed from here */
 665         selection_is_ok = TRUE;
 666         gtk_tree_selection_select_iter(selection, &iter);
 667         selection_is_ok = FALSE;
 668
 669         if (!vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->dir_fd)) return;
 670
 671         vdtree_expand_by_iter(vd, &iter, TRUE);
 672
 673         if (fd && vd->select_func)
 674                 {
 675                 vd->select_func(vd, fd->path, vd->select_data);
 676                 }
 677 }
 678
 679 gint 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
 699                 tree_view_row_make_visible(GTK_TREE_VIEW(vd->view), &iter, TRUE);
 700
 701                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 702                 tpath = gtk_tree_model_get_path(store, &iter);
 703                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(vd->view), tpath, NULL, FALSE);
 704                 gtk_tree_path_free(tpath);
 705
 706                 vdtree_select_row(vd, fd);
 707                 }
 708
 709         return TRUE;
 710 }
 711
 712 #if 0
 713 const gchar *vdtree_get_path(ViewDir *vd)
 714 {
 715         return vd->path;
 716 }
 717 #endif
 718
 719 void vdtree_refresh(ViewDir *vd)
 720 {
 721         vdtree_populate_path(vd, vd->dir_fd, FALSE, TRUE);
 722 }
 723
 724 const gchar *vdtree_row_get_path(ViewDir *vd, gint row)
 725 {
 726         log_printf("FIXME: no get row path\n");
 727         return NULL;
 728 }
 729
 730 /*
 731  *----------------------------------------------------------------------------
 732  * callbacks
 733  *----------------------------------------------------------------------------
 734  */
 735
 736 gint vdtree_press_key_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 737 {
 738         ViewDir *vd = data;
 739         GtkTreePath *tpath;
 740         GtkTreeIter iter;
 741         FileData *fd = NULL;
 742
 743         gtk_tree_view_get_cursor(GTK_TREE_VIEW(vd->view), &tpath, NULL);
 744         if (tpath)
 745                 {
 746                 GtkTreeModel *store;
 747                 NodeData *nd;
 748
 749                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 750                 gtk_tree_model_get_iter(store, &iter, tpath);
 751                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 752
 753                 gtk_tree_path_free(tpath);
 754
 755                 fd = (nd) ? nd->fd : NULL;
 756                 }
 757
 758         switch (event->keyval)
 759                 {
 760                 case GDK_Menu:
 761                         vd->click_fd = fd;
 762                         vd_color_set(vd, vd->click_fd, TRUE);
 763
 764                         vd->popup = vd_pop_menu(vd, vd->click_fd);
 765                         gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, vd_menu_position_cb, vd, 0, GDK_CURRENT_TIME);
 766
 767                         return TRUE;
 768                         break;
 769                 case GDK_plus:
 770                 case GDK_Right:
 771                 case GDK_KP_Add:
 772                         if (fd)
 773                                 {
 774                                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->dir_fd);
 775                                 vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
 776                                 }
 777                         break;
 778                 }
 779
 780         return FALSE;
 781 }
 782
 783 static gint vdtree_clicked_on_expander(GtkTreeView *treeview, GtkTreePath *tpath,
 784                                        GtkTreeViewColumn *column, gint x, gint y, gint *left_of_expander)
 785 {
 786         gint depth;
 787         gint size;
 788         gint sep;
 789         gint exp_width;
 790
 791         if (column != gtk_tree_view_get_expander_column(treeview)) return FALSE;
 792
 793         gtk_widget_style_get(GTK_WIDGET(treeview), "expander-size", &size, "horizontal-separator", &sep, NULL);
 794         depth = gtk_tree_path_get_depth(tpath);
 795
 796         exp_width = sep + size + sep;
 797
 798         if (x <= depth * exp_width)
 799                 {
 800                 if (left_of_expander) *left_of_expander = !(x >= (depth - 1) * exp_width);
 801                 return TRUE;
 802                 }
 803
 804         return FALSE;
 805 }
 806
 807 gint vdtree_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 808 {
 809         ViewDir *vd = data;
 810         GtkTreePath *tpath;
 811         GtkTreeViewColumn *column;
 812         GtkTreeIter iter;
 813         NodeData *nd = NULL;
 814
 815         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
 816                                           &tpath, &column, NULL, NULL))
 817                 {
 818                 GtkTreeModel *store;
 819                 gint left_of_expander;
 820
 821                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 822                 gtk_tree_model_get_iter(store, &iter, tpath);
 823                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 824                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, NULL, FALSE);
 825
 826                 if (vdtree_clicked_on_expander(GTK_TREE_VIEW(widget), tpath, column, bevent->x, bevent->y, &left_of_expander))
 827                         {
 828                         vd->click_fd = NULL;
 829
 830                         /* clicking this region should automatically reveal an expander, if necessary
 831                          * treeview bug: the expander will not expand until a button_motion_event highlights it.
 832                          */
 833                         if (bevent->button == MOUSE_BUTTON_LEFT &&
 834                             !left_of_expander &&
 835                             !gtk_tree_view_row_expanded(GTK_TREE_VIEW(vd->view), tpath))
 836                                 {
 837                                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->dir_fd);
 838                                 vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
 839                                 }
 840
 841                         gtk_tree_path_free(tpath);
 842                         return FALSE;
 843                         }
 844
 845                 gtk_tree_path_free(tpath);
 846                 }
 847
 848         vd->click_fd = (nd) ? nd->fd : NULL;
 849         vd_color_set(vd, vd->click_fd, TRUE);
 850
 851         if (bevent->button == MOUSE_BUTTON_RIGHT)
 852                 {
 853                 vd->popup = vd_pop_menu(vd, vd->click_fd);
 854                 gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, NULL, NULL,
 855                                bevent->button, bevent->time);
 856                 }
 857
 858         return (bevent->button != MOUSE_BUTTON_LEFT);
 859 }
 860
 861 static void vdtree_row_expanded(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
 862 {
 863         ViewDir *vd = data;
 864
 865         vdtree_populate_path_by_iter(vd, iter, FALSE, NULL);
 866         vdtree_icon_set_by_iter(vd, iter, vd->pf->open);
 867 }
 868
 869 static void vdtree_row_collapsed(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
 870 {
 871         ViewDir *vd = data;
 872
 873         vdtree_icon_set_by_iter(vd, iter, vd->pf->close);
 874 }
 875
 876 static gint vdtree_sort_cb(GtkTreeModel *store, GtkTreeIter *a, GtkTreeIter *b, gpointer data)
 877 {
 878         NodeData *nda;
 879         NodeData *ndb;
 880
 881         gtk_tree_model_get(store, a, DIR_COLUMN_POINTER, &nda, -1);
 882         gtk_tree_model_get(store, b, DIR_COLUMN_POINTER, &ndb, -1);
 883
 884         if (options->file_sort.case_sensitive)
 885                 return strcmp(nda->fd->collate_key_name, ndb->fd->collate_key_name);
 886         else
 887                 return strcmp(nda->fd->collate_key_name_nocase, ndb->fd->collate_key_name_nocase);
 888 }
 889
 890 /*
 891  *----------------------------------------------------------------------------
 892  * core
 893  *----------------------------------------------------------------------------
 894  */
 895
 896 static void vdtree_setup_root(ViewDir *vd)
 897 {
 898         const gchar *path = G_DIR_SEPARATOR_S;
 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, fd, 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, FileData *dir_fd)
 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 }