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(_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 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(vd)->drop_expand_id = -1;
 177         return FALSE;
 178 }
 179
 180 static void vdtree_dnd_drop_expand_cancel(ViewDir *vd)
 181 {
 182         if (VDTREE(vd)->drop_expand_id != -1) g_source_remove(VDTREE(vd)->drop_expand_id);
 183         VDTREE(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(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 (!isdir(nd->fd->path))
 440                         {
 441                         if (vd->click_fd == nd->fd) vd->click_fd = NULL;
 442                         if (vd->drop_fd == nd->fd) vd->drop_fd = NULL;
 443                         gtk_tree_store_remove(GTK_TREE_STORE(store), iter);
 444                         vdtree_node_free(nd);
 445                         return FALSE;
 446                         }
 447                 if (!force && current_time - nd->last_update < 2)
 448                         {
 449                         DEBUG_1("Too frequent update of %s", nd->fd->path);
 450                         return TRUE;
 451                         }
 452                 if (nd->fd->version == nd->version) return TRUE;
 453                 }
 454
 455         vdtree_busy_push(vd);
 456
 457         filelist_read(nd->fd, NULL, &list);
 458
 459         /* when hidden files are not enabled, and the user enters a hidden path,
 460          * allow the tree to display that path by specifically inserting the hidden entries
 461          */
 462         if (!options->file_filter.show_hidden_files &&
 463             target_fd &&
 464             strncmp(nd->fd->path, target_fd->path, strlen(nd->fd->path)) == 0)
 465                 {
 466                 gint n;
 467
 468                 n = strlen(nd->fd->path);
 469                 if (target_fd->path[n] == G_DIR_SEPARATOR && target_fd->path[n+1] == '.')
 470                         {
 471                         gchar *name8;
 472                         struct stat sbuf;
 473
 474                         n++;
 475
 476                         while (target_fd->path[n] != '\0' && target_fd->path[n] != G_DIR_SEPARATOR) n++;
 477                         name8 = g_strndup(target_fd->path, n);
 478
 479                         if (stat_utf8(name8, &sbuf))
 480                                 {
 481                                 list = g_list_prepend(list, file_data_new_simple(name8));
 482                                 }
 483
 484                         g_free(name8);
 485                         }
 486                 }
 487
 488         old = NULL;
 489         if (gtk_tree_model_iter_children(store, &child, iter))
 490                 {
 491                 do      {
 492                         NodeData *cnd;
 493
 494                         gtk_tree_model_get(store, &child, DIR_COLUMN_POINTER, &cnd, -1);
 495                         old = g_list_prepend(old, cnd);
 496                         } while (gtk_tree_model_iter_next(store, &child));
 497                 }
 498
 499         work = list;
 500         while (work)
 501                 {
 502                 FileData *fd;
 503
 504                 fd = work->data;
 505                 work = work->next;
 506
 507                 if (strcmp(fd->name, ".") == 0 || strcmp(fd->name, "..") == 0)
 508                         {
 509                         file_data_unref(fd);
 510                         }
 511                 else
 512                         {
 513                         NodeData *cnd;
 514
 515                         cnd = vdtree_find_iter_by_name(vd, iter, fd->name, &child);
 516                         if (cnd)
 517                                 {
 518                                 old = g_list_remove(old, cnd);
 519                                 if (cnd->expanded &&  cnd->version != fd->version &&
 520                                     vdtree_populate_path_by_iter(vd, &child, FALSE, target_fd))
 521                                         {
 522                                         gtk_tree_store_set(GTK_TREE_STORE(store), &child, DIR_COLUMN_NAME, fd->name, -1);
 523                                         cnd->version = fd->version;
 524                                         }
 525
 526                                 file_data_unref(fd);
 527                                 }
 528                         else
 529                                 {
 530                                 vdtree_add_by_data(vd, fd, iter);
 531                                 }
 532                         }
 533                 }
 534
 535         work = old;
 536         while (work)
 537                 {
 538                 NodeData *cnd = work->data;
 539                 work = work->next;
 540
 541                 if (vd->click_fd == cnd->fd) vd->click_fd = NULL;
 542                 if (vd->drop_fd == cnd->fd) vd->drop_fd = NULL;
 543
 544                 if (vdtree_find_iter_by_data(vd, iter, cnd, &child))
 545                         {
 546                         gtk_tree_store_remove(GTK_TREE_STORE(store), &child);
 547                         vdtree_node_free(cnd);
 548                         }
 549                 }
 550
 551         g_list_free(old);
 552         g_list_free(list);
 553
 554         vdtree_busy_pop(vd);
 555
 556         nd->expanded = TRUE;
 557         nd->last_update = current_time;
 558
 559         return TRUE;
 560 }
 561
 562 FileData *vdtree_populate_path(ViewDir *vd, FileData *target_fd, gint expand, gint force)
 563 {
 564         GList *list;
 565         GList *work;
 566         FileData *fd = NULL;
 567
 568         if (!target_fd) return NULL;
 569
 570         vdtree_busy_push(vd);
 571
 572         list = parts_list(target_fd->path);
 573         list = parts_list_add_node_points(vd, list);
 574
 575         work = list;
 576         while (work)
 577                 {
 578                 PathData *pd = work->data;
 579                 if (pd->node == NULL)
 580                         {
 581                         PathData *parent_pd;
 582                         GtkTreeIter parent_iter;
 583                         GtkTreeIter iter;
 584                         NodeData *nd;
 585
 586                         if (work == list)
 587                                 {
 588                                 /* should not happen */
 589                                 log_printf("vdtree warning, root node not found\n");
 590                                 parts_list_free(list);
 591                                 vdtree_busy_pop(vd);
 592                                 return NULL;
 593                                 }
 594
 595                         parent_pd = work->prev->data;
 596
 597                         if (!vd_find_row(vd, parent_pd->node, &parent_iter) ||
 598                             !vdtree_populate_path_by_iter(vd, &parent_iter, force, target_fd) ||
 599                             (nd = vdtree_find_iter_by_name(vd, &parent_iter, pd->name, &iter)) == NULL)
 600                                 {
 601                                 log_printf("vdtree warning, aborted at %s\n", parent_pd->name);
 602                                 parts_list_free(list);
 603                                 vdtree_busy_pop(vd);
 604                                 return NULL;
 605                                 }
 606
 607                         pd->node = nd->fd;
 608
 609                         if (pd->node)
 610                                 {
 611                                 if (expand)
 612                                         {
 613                                         vdtree_expand_by_iter(vd, &parent_iter, TRUE);
 614                                         vdtree_expand_by_iter(vd, &iter, TRUE);
 615                                         }
 616                                 vdtree_populate_path_by_iter(vd, &iter, force, target_fd);
 617                                 }
 618                         }
 619                 else
 620                         {
 621                         GtkTreeIter iter;
 622
 623                         if (vd_find_row(vd, pd->node, &iter))
 624                                 {
 625                                 if (expand) vdtree_expand_by_iter(vd, &iter, TRUE);
 626                                 vdtree_populate_path_by_iter(vd, &iter, force, target_fd);
 627                                 }
 628                         }
 629
 630                 work = work->next;
 631                 }
 632
 633         work = g_list_last(list);
 634         if (work)
 635                 {
 636                 PathData *pd = work->data;
 637                 fd = pd->node;
 638                 }
 639         parts_list_free(list);
 640
 641         vdtree_busy_pop(vd);
 642
 643         return fd;
 644 }
 645
 646 /*
 647  *----------------------------------------------------------------------------
 648  * access
 649  *----------------------------------------------------------------------------
 650  */
 651
 652 static gint selection_is_ok = FALSE;
 653
 654 static gboolean vdtree_select_cb(GtkTreeSelection *selection, GtkTreeModel *store, GtkTreePath *tpath,
 655                                  gboolean path_currently_selected, gpointer data)
 656 {
 657         return selection_is_ok;
 658 }
 659
 660 void vdtree_select_row(ViewDir *vd, FileData *fd)
 661 {
 662         GtkTreeSelection *selection;
 663         GtkTreeIter iter;
 664
 665         if (!vd_find_row(vd, fd, &iter)) return;
 666         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vd->view));
 667
 668         /* hack, such that selection is only allowed to be changed from here */
 669         selection_is_ok = TRUE;
 670         gtk_tree_selection_select_iter(selection, &iter);
 671         selection_is_ok = FALSE;
 672
 673         if (!vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->dir_fd)) return;
 674
 675         vdtree_expand_by_iter(vd, &iter, TRUE);
 676
 677         if (fd && vd->select_func)
 678                 {
 679                 vd->select_func(vd, fd->path, vd->select_data);
 680                 }
 681 }
 682
 683 gint vdtree_set_fd(ViewDir *vd, FileData *dir_fd)
 684 {
 685         FileData *fd;
 686         GtkTreeIter iter;
 687
 688         if (!dir_fd) return FALSE;
 689         if (vd->dir_fd == dir_fd) return TRUE;
 690
 691         file_data_unref(vd->dir_fd);
 692         vd->dir_fd = file_data_ref(dir_fd);;
 693
 694         fd = vdtree_populate_path(vd, vd->dir_fd, TRUE, FALSE);
 695
 696         if (!fd) return FALSE;
 697
 698         if (vd_find_row(vd, fd, &iter))
 699                 {
 700                 GtkTreeModel *store;
 701                 GtkTreePath *tpath;
 702
 703                 tree_view_row_make_visible(GTK_TREE_VIEW(vd->view), &iter, TRUE);
 704
 705                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 706                 tpath = gtk_tree_model_get_path(store, &iter);
 707                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(vd->view), tpath, NULL, FALSE);
 708                 gtk_tree_path_free(tpath);
 709
 710                 vdtree_select_row(vd, fd);
 711                 }
 712
 713         return TRUE;
 714 }
 715
 716 #if 0
 717 const gchar *vdtree_get_path(ViewDir *vd)
 718 {
 719         return vd->path;
 720 }
 721 #endif
 722
 723 void vdtree_refresh(ViewDir *vd)
 724 {
 725         vdtree_populate_path(vd, vd->dir_fd, FALSE, TRUE);
 726 }
 727
 728 const gchar *vdtree_row_get_path(ViewDir *vd, gint row)
 729 {
 730         log_printf("FIXME: no get row path\n");
 731         return NULL;
 732 }
 733
 734 /*
 735  *----------------------------------------------------------------------------
 736  * callbacks
 737  *----------------------------------------------------------------------------
 738  */
 739
 740 gint vdtree_press_key_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 741 {
 742         ViewDir *vd = data;
 743         GtkTreePath *tpath;
 744         GtkTreeIter iter;
 745         FileData *fd = NULL;
 746
 747         gtk_tree_view_get_cursor(GTK_TREE_VIEW(vd->view), &tpath, NULL);
 748         if (tpath)
 749                 {
 750                 GtkTreeModel *store;
 751                 NodeData *nd;
 752
 753                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 754                 gtk_tree_model_get_iter(store, &iter, tpath);
 755                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 756
 757                 gtk_tree_path_free(tpath);
 758
 759                 fd = (nd) ? nd->fd : NULL;
 760                 }
 761
 762         switch (event->keyval)
 763                 {
 764                 case GDK_Menu:
 765                         vd->click_fd = fd;
 766                         vd_color_set(vd, vd->click_fd, TRUE);
 767
 768                         vd->popup = vd_pop_menu(vd, vd->click_fd);
 769                         gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, vd_menu_position_cb, vd, 0, GDK_CURRENT_TIME);
 770
 771                         return TRUE;
 772                         break;
 773                 case GDK_plus:
 774                 case GDK_Right:
 775                 case GDK_KP_Add:
 776                         if (fd)
 777                                 {
 778                                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->dir_fd);
 779                                 vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
 780                                 }
 781                         break;
 782                 }
 783
 784         return FALSE;
 785 }
 786
 787 static gint vdtree_clicked_on_expander(GtkTreeView *treeview, GtkTreePath *tpath,
 788                                        GtkTreeViewColumn *column, gint x, gint y, gint *left_of_expander)
 789 {
 790         gint depth;
 791         gint size;
 792         gint sep;
 793         gint exp_width;
 794
 795         if (column != gtk_tree_view_get_expander_column(treeview)) return FALSE;
 796
 797         gtk_widget_style_get(GTK_WIDGET(treeview), "expander-size", &size, "horizontal-separator", &sep, NULL);
 798         depth = gtk_tree_path_get_depth(tpath);
 799
 800         exp_width = sep + size + sep;
 801
 802         if (x <= depth * exp_width)
 803                 {
 804                 if (left_of_expander) *left_of_expander = !(x >= (depth - 1) * exp_width);
 805                 return TRUE;
 806                 }
 807
 808         return FALSE;
 809 }
 810
 811 gint vdtree_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 812 {
 813         ViewDir *vd = data;
 814         GtkTreePath *tpath;
 815         GtkTreeViewColumn *column;
 816         GtkTreeIter iter;
 817         NodeData *nd = NULL;
 818
 819         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
 820                                           &tpath, &column, NULL, NULL))
 821                 {
 822                 GtkTreeModel *store;
 823                 gint left_of_expander;
 824
 825                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 826                 gtk_tree_model_get_iter(store, &iter, tpath);
 827                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 828                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, NULL, FALSE);
 829
 830                 if (vdtree_clicked_on_expander(GTK_TREE_VIEW(widget), tpath, column, bevent->x, bevent->y, &left_of_expander))
 831                         {
 832                         vd->click_fd = NULL;
 833
 834                         /* clicking this region should automatically reveal an expander, if necessary
 835                          * treeview bug: the expander will not expand until a button_motion_event highlights it.
 836                          */
 837                         if (bevent->button == MOUSE_BUTTON_LEFT &&
 838                             !left_of_expander &&
 839                             !gtk_tree_view_row_expanded(GTK_TREE_VIEW(vd->view), tpath))
 840                                 {
 841                                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->dir_fd);
 842                                 vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
 843                                 }
 844
 845                         gtk_tree_path_free(tpath);
 846                         return FALSE;
 847                         }
 848
 849                 gtk_tree_path_free(tpath);
 850                 }
 851
 852         vd->click_fd = (nd) ? nd->fd : NULL;
 853         vd_color_set(vd, vd->click_fd, TRUE);
 854
 855         if (bevent->button == MOUSE_BUTTON_RIGHT)
 856                 {
 857                 vd->popup = vd_pop_menu(vd, vd->click_fd);
 858                 gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, NULL, NULL,
 859                                bevent->button, bevent->time);
 860                 }
 861
 862         return (bevent->button != MOUSE_BUTTON_LEFT);
 863 }
 864
 865 static void vdtree_row_expanded(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
 866 {
 867         ViewDir *vd = data;
 868
 869         vdtree_populate_path_by_iter(vd, iter, FALSE, NULL);
 870         vdtree_icon_set_by_iter(vd, iter, vd->pf->open);
 871 }
 872
 873 static void vdtree_row_collapsed(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
 874 {
 875         ViewDir *vd = data;
 876
 877         vdtree_icon_set_by_iter(vd, iter, vd->pf->close);
 878 }
 879
 880 static gint vdtree_sort_cb(GtkTreeModel *store, GtkTreeIter *a, GtkTreeIter *b, gpointer data)
 881 {
 882         NodeData *nda;
 883         NodeData *ndb;
 884
 885         gtk_tree_model_get(store, a, DIR_COLUMN_POINTER, &nda, -1);
 886         gtk_tree_model_get(store, b, DIR_COLUMN_POINTER, &ndb, -1);
 887
 888         if (options->file_sort.case_sensitive)
 889                 return strcmp(nda->fd->collate_key_name, ndb->fd->collate_key_name);
 890         else
 891                 return strcmp(nda->fd->collate_key_name_nocase, ndb->fd->collate_key_name_nocase);
 892 }
 893
 894 /*
 895  *----------------------------------------------------------------------------
 896  * core
 897  *----------------------------------------------------------------------------
 898  */
 899
 900 static void vdtree_setup_root(ViewDir *vd)
 901 {
 902         const gchar *path = G_DIR_SEPARATOR_S;
 903         FileData *fd;
 904
 905
 906         fd = file_data_new_simple(path);
 907         vdtree_add_by_data(vd, fd, NULL);
 908
 909         vdtree_expand_by_data(vd, fd, TRUE);
 910         vdtree_populate_path(vd, fd, FALSE, FALSE);
 911 }
 912
 913 static gboolean vdtree_destroy_node_cb(GtkTreeModel *store, GtkTreePath *tpath, GtkTreeIter *iter, gpointer data)
 914 {
 915         NodeData *nd;
 916
 917         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 918         vdtree_node_free(nd);
 919
 920         return FALSE;
 921 }
 922
 923 void vdtree_destroy_cb(GtkWidget *widget, gpointer data)
 924 {
 925         ViewDir *vd = data;
 926         GtkTreeModel *store;
 927
 928         vdtree_dnd_drop_expand_cancel(vd);
 929         vd_dnd_drop_scroll_cancel(vd);
 930         widget_auto_scroll_stop(vd->view);
 931
 932         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 933         gtk_tree_model_foreach(store, vdtree_destroy_node_cb, vd);
 934 }
 935
 936 ViewDir *vdtree_new(ViewDir *vd, FileData *dir_fd)
 937 {
 938         GtkTreeStore *store;
 939         GtkTreeSelection *selection;
 940         GtkTreeViewColumn *column;
 941         GtkCellRenderer *renderer;
 942
 943         vd->info = g_new0(ViewDirInfoTree, 1);
 944         vd->type = DIRVIEW_TREE;
 945
 946         VDTREE(vd)->drop_expand_id = -1;
 947         VDTREE(vd)->busy_ref = 0;
 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: */