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 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 NodeData *vdtree_find_iter_by_fd(ViewDir *vd, GtkTreeIter *parent, FileData *fd, GtkTreeIter *iter)
 361 {
 362         GtkTreeModel *store;
 363
 364         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 365         if (!fd || !gtk_tree_model_iter_children(store, iter, parent)) return NULL;
 366         do      {
 367                 NodeData *nd;
 368
 369                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 370                 if (nd && nd->fd == fd) return nd;
 371                 } while (gtk_tree_model_iter_next(store, iter));
 372
 373         return NULL;
 374 }
 375
 376 static void vdtree_add_by_data(ViewDir *vd, FileData *fd, GtkTreeIter *parent)
 377 {
 378         GtkTreeStore *store;
 379         GtkTreeIter child;
 380         NodeData *nd;
 381         GdkPixbuf *pixbuf;
 382         NodeData *end;
 383         GtkTreeIter empty;
 384
 385         if (!fd) return;
 386
 387         if (access_file(fd->path, R_OK | X_OK))
 388                 {
 389                 pixbuf = vd->pf->close;
 390                 }
 391         else
 392                 {
 393                 pixbuf = vd->pf->deny;
 394                 }
 395
 396         nd = g_new0(NodeData, 1);
 397         nd->fd = fd;
 398         nd->version = fd->version;
 399         nd->expanded = FALSE;
 400         nd->last_update = time(NULL);
 401
 402         store = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view)));
 403         gtk_tree_store_append(store, &child, parent);
 404         gtk_tree_store_set(store, &child, DIR_COLUMN_POINTER, nd,
 405                                          DIR_COLUMN_ICON, pixbuf,
 406                                          DIR_COLUMN_NAME, nd->fd->name,
 407                                          DIR_COLUMN_COLOR, FALSE, -1);
 408
 409         /* all nodes are created with an "empty" node, so that the expander is shown
 410          * this is removed when the child is populated */
 411         end = g_new0(NodeData, 1);
 412         end->fd = file_data_new_simple("");
 413         end->expanded = TRUE;
 414
 415         gtk_tree_store_append(store, &empty, &child);
 416         gtk_tree_store_set(store, &empty, DIR_COLUMN_POINTER, end,
 417                                           DIR_COLUMN_NAME, "empty", -1);
 418
 419         if (parent)
 420                 {
 421                 NodeData *pnd;
 422                 GtkTreePath *tpath;
 423
 424                 gtk_tree_model_get(GTK_TREE_MODEL(store), parent, DIR_COLUMN_POINTER, &pnd, -1);
 425                 tpath = gtk_tree_model_get_path(GTK_TREE_MODEL(store), parent);
 426                 if (options->tree_descend_subdirs &&
 427                     gtk_tree_view_row_expanded(GTK_TREE_VIEW(vd->view), tpath) &&
 428                     !nd->expanded)
 429                         {
 430                         vdtree_populate_path_by_iter(vd, &child, FALSE, vd->dir_fd);
 431                         }
 432                 gtk_tree_path_free(tpath);
 433                 }
 434 }
 435
 436 gint vdtree_populate_path_by_iter(ViewDir *vd, GtkTreeIter *iter, gint force, FileData *target_fd)
 437 {
 438         GtkTreeModel *store;
 439         GList *list;
 440         GList *work;
 441         GList *old;
 442         time_t current_time;
 443         GtkTreeIter child;
 444         NodeData *nd;
 445
 446         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 447         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 448
 449         if (!nd) return FALSE;
 450
 451         current_time = time(NULL);
 452
 453         if (nd->expanded)
 454                 {
 455                 if (!isdir(nd->fd->path))
 456                         {
 457                         if (vd->click_fd == nd->fd) vd->click_fd = NULL;
 458                         if (vd->drop_fd == nd->fd) vd->drop_fd = NULL;
 459                         gtk_tree_store_remove(GTK_TREE_STORE(store), iter);
 460                         vdtree_node_free(nd);
 461                         return FALSE;
 462                         }
 463                 if (!force && current_time - nd->last_update < 2)
 464                         {
 465                         DEBUG_1("Too frequent update of %s", nd->fd->path);
 466                         return TRUE;
 467                         }
 468                 if (nd->fd->version == nd->version) return TRUE;
 469                 }
 470
 471         vdtree_busy_push(vd);
 472
 473         filelist_read(nd->fd, NULL, &list);
 474
 475         /* when hidden files are not enabled, and the user enters a hidden path,
 476          * allow the tree to display that path by specifically inserting the hidden entries
 477          */
 478         if (!options->file_filter.show_hidden_files &&
 479             target_fd &&
 480             strncmp(nd->fd->path, target_fd->path, strlen(nd->fd->path)) == 0)
 481                 {
 482                 gint n;
 483
 484                 n = strlen(nd->fd->path);
 485                 if (target_fd->path[n] == G_DIR_SEPARATOR && target_fd->path[n+1] == '.')
 486                         {
 487                         gchar *name8;
 488                         struct stat sbuf;
 489
 490                         n++;
 491
 492                         while (target_fd->path[n] != '\0' && target_fd->path[n] != G_DIR_SEPARATOR) n++;
 493                         name8 = g_strndup(target_fd->path, n);
 494
 495                         if (stat_utf8(name8, &sbuf))
 496                                 {
 497                                 list = g_list_prepend(list, file_data_new_simple(name8));
 498                                 }
 499
 500                         g_free(name8);
 501                         }
 502                 }
 503
 504         old = NULL;
 505         if (gtk_tree_model_iter_children(store, &child, iter))
 506                 {
 507                 do      {
 508                         NodeData *cnd;
 509
 510                         gtk_tree_model_get(store, &child, DIR_COLUMN_POINTER, &cnd, -1);
 511                         old = g_list_prepend(old, cnd);
 512                         } while (gtk_tree_model_iter_next(store, &child));
 513                 }
 514
 515         work = list;
 516         while (work)
 517                 {
 518                 FileData *fd;
 519
 520                 fd = work->data;
 521                 work = work->next;
 522
 523                 if (strcmp(fd->name, ".") == 0 || strcmp(fd->name, "..") == 0)
 524                         {
 525                         file_data_unref(fd);
 526                         }
 527                 else
 528                         {
 529                         NodeData *cnd;
 530
 531                         cnd = vdtree_find_iter_by_fd(vd, iter, fd, &child);
 532                         if (cnd)
 533                                 {
 534                                 if (cnd->expanded && cnd->version != fd->version)
 535                                         {
 536                                         vdtree_populate_path_by_iter(vd, &child, FALSE, target_fd);
 537                                         }
 538
 539                                 gtk_tree_store_set(GTK_TREE_STORE(store), &child, DIR_COLUMN_NAME, fd->name, -1);
 540                                 cnd->version = fd->version;
 541                                 old = g_list_remove(old, cnd);
 542                                 file_data_unref(fd);
 543                                 }
 544                         else
 545                                 {
 546                                 vdtree_add_by_data(vd, fd, iter);
 547                                 }
 548                         }
 549                 }
 550
 551         work = old;
 552         while (work)
 553                 {
 554                 NodeData *cnd = work->data;
 555                 work = work->next;
 556
 557                 if (vd->click_fd == cnd->fd) vd->click_fd = NULL;
 558                 if (vd->drop_fd == cnd->fd) vd->drop_fd = NULL;
 559
 560                 if (vdtree_find_iter_by_data(vd, iter, cnd, &child))
 561                         {
 562                         gtk_tree_store_remove(GTK_TREE_STORE(store), &child);
 563                         vdtree_node_free(cnd);
 564                         }
 565                 }
 566
 567         g_list_free(old);
 568         g_list_free(list);
 569
 570         vdtree_busy_pop(vd);
 571
 572         nd->expanded = TRUE;
 573         nd->last_update = current_time;
 574
 575         return TRUE;
 576 }
 577
 578 FileData *vdtree_populate_path(ViewDir *vd, FileData *target_fd, gint expand, gint force)
 579 {
 580         GList *list;
 581         GList *work;
 582         FileData *fd = NULL;
 583
 584         if (!target_fd) return NULL;
 585
 586         vdtree_busy_push(vd);
 587
 588         list = parts_list(target_fd->path);
 589         list = parts_list_add_node_points(vd, list);
 590
 591         work = list;
 592         while (work)
 593                 {
 594                 PathData *pd = work->data;
 595                 if (pd->node == NULL)
 596                         {
 597                         PathData *parent_pd;
 598                         GtkTreeIter parent_iter;
 599                         GtkTreeIter iter;
 600                         NodeData *nd;
 601
 602                         if (work == list)
 603                                 {
 604                                 /* should not happen */
 605                                 log_printf("vdtree warning, root node not found\n");
 606                                 parts_list_free(list);
 607                                 vdtree_busy_pop(vd);
 608                                 return NULL;
 609                                 }
 610
 611                         parent_pd = work->prev->data;
 612
 613                         if (!vd_find_row(vd, parent_pd->node, &parent_iter) ||
 614                             !vdtree_populate_path_by_iter(vd, &parent_iter, force, target_fd) ||
 615                             (nd = vdtree_find_iter_by_name(vd, &parent_iter, pd->name, &iter)) == NULL)
 616                                 {
 617                                 log_printf("vdtree warning, aborted at %s\n", parent_pd->name);
 618                                 parts_list_free(list);
 619                                 vdtree_busy_pop(vd);
 620                                 return NULL;
 621                                 }
 622
 623                         pd->node = nd->fd;
 624
 625                         if (pd->node)
 626                                 {
 627                                 if (expand)
 628                                         {
 629                                         vdtree_expand_by_iter(vd, &parent_iter, TRUE);
 630                                         vdtree_expand_by_iter(vd, &iter, TRUE);
 631                                         }
 632                                 vdtree_populate_path_by_iter(vd, &iter, force, target_fd);
 633                                 }
 634                         }
 635                 else
 636                         {
 637                         GtkTreeIter iter;
 638
 639                         if (vd_find_row(vd, pd->node, &iter))
 640                                 {
 641                                 if (expand) vdtree_expand_by_iter(vd, &iter, TRUE);
 642                                 vdtree_populate_path_by_iter(vd, &iter, force, target_fd);
 643                                 }
 644                         }
 645
 646                 work = work->next;
 647                 }
 648
 649         work = g_list_last(list);
 650         if (work)
 651                 {
 652                 PathData *pd = work->data;
 653                 fd = pd->node;
 654                 }
 655         parts_list_free(list);
 656
 657         vdtree_busy_pop(vd);
 658
 659         return fd;
 660 }
 661
 662 /*
 663  *----------------------------------------------------------------------------
 664  * access
 665  *----------------------------------------------------------------------------
 666  */
 667
 668 static gint selection_is_ok = FALSE;
 669
 670 static gboolean vdtree_select_cb(GtkTreeSelection *selection, GtkTreeModel *store, GtkTreePath *tpath,
 671                                  gboolean path_currently_selected, gpointer data)
 672 {
 673         return selection_is_ok;
 674 }
 675
 676 void vdtree_select_row(ViewDir *vd, FileData *fd)
 677 {
 678         GtkTreeSelection *selection;
 679         GtkTreeIter iter;
 680
 681         if (!vd_find_row(vd, fd, &iter)) return;
 682         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vd->view));
 683
 684         /* hack, such that selection is only allowed to be changed from here */
 685         selection_is_ok = TRUE;
 686         gtk_tree_selection_select_iter(selection, &iter);
 687         selection_is_ok = FALSE;
 688
 689         if (!vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->dir_fd)) return;
 690
 691         vdtree_expand_by_iter(vd, &iter, TRUE);
 692
 693         if (fd && vd->select_func)
 694                 {
 695                 vd->select_func(vd, fd->path, vd->select_data);
 696                 }
 697 }
 698
 699 gint vdtree_set_fd(ViewDir *vd, FileData *dir_fd)
 700 {
 701         FileData *fd;
 702         GtkTreeIter iter;
 703
 704         if (!dir_fd) return FALSE;
 705         if (vd->dir_fd == dir_fd) return TRUE;
 706
 707         file_data_unref(vd->dir_fd);
 708         vd->dir_fd = file_data_ref(dir_fd);;
 709
 710         fd = vdtree_populate_path(vd, vd->dir_fd, TRUE, FALSE);
 711
 712         if (!fd) return FALSE;
 713
 714         if (vd_find_row(vd, fd, &iter))
 715                 {
 716                 GtkTreeModel *store;
 717                 GtkTreePath *tpath;
 718
 719                 tree_view_row_make_visible(GTK_TREE_VIEW(vd->view), &iter, TRUE);
 720
 721                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 722                 tpath = gtk_tree_model_get_path(store, &iter);
 723                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(vd->view), tpath, NULL, FALSE);
 724                 gtk_tree_path_free(tpath);
 725
 726                 vdtree_select_row(vd, fd);
 727                 }
 728
 729         return TRUE;
 730 }
 731
 732 #if 0
 733 const gchar *vdtree_get_path(ViewDir *vd)
 734 {
 735         return vd->path;
 736 }
 737 #endif
 738
 739 void vdtree_refresh(ViewDir *vd)
 740 {
 741         vdtree_populate_path(vd, vd->dir_fd, FALSE, TRUE);
 742 }
 743
 744 const gchar *vdtree_row_get_path(ViewDir *vd, gint row)
 745 {
 746         log_printf("FIXME: no get row path\n");
 747         return NULL;
 748 }
 749
 750 /*
 751  *----------------------------------------------------------------------------
 752  * callbacks
 753  *----------------------------------------------------------------------------
 754  */
 755
 756 gint vdtree_press_key_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 757 {
 758         ViewDir *vd = data;
 759         GtkTreePath *tpath;
 760         GtkTreeIter iter;
 761         FileData *fd = NULL;
 762
 763         gtk_tree_view_get_cursor(GTK_TREE_VIEW(vd->view), &tpath, NULL);
 764         if (tpath)
 765                 {
 766                 GtkTreeModel *store;
 767                 NodeData *nd;
 768
 769                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 770                 gtk_tree_model_get_iter(store, &iter, tpath);
 771                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 772
 773                 gtk_tree_path_free(tpath);
 774
 775                 fd = (nd) ? nd->fd : NULL;
 776                 }
 777
 778         switch (event->keyval)
 779                 {
 780                 case GDK_Menu:
 781                         vd->click_fd = fd;
 782                         vd_color_set(vd, vd->click_fd, TRUE);
 783
 784                         vd->popup = vd_pop_menu(vd, vd->click_fd);
 785                         gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, vd_menu_position_cb, vd, 0, GDK_CURRENT_TIME);
 786
 787                         return TRUE;
 788                         break;
 789                 case GDK_plus:
 790                 case GDK_Right:
 791                 case GDK_KP_Add:
 792                         if (fd)
 793                                 {
 794                                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->dir_fd);
 795                                 vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
 796                                 }
 797                         break;
 798                 }
 799
 800         return FALSE;
 801 }
 802
 803 static gint vdtree_clicked_on_expander(GtkTreeView *treeview, GtkTreePath *tpath,
 804                                        GtkTreeViewColumn *column, gint x, gint y, gint *left_of_expander)
 805 {
 806         gint depth;
 807         gint size;
 808         gint sep;
 809         gint exp_width;
 810
 811         if (column != gtk_tree_view_get_expander_column(treeview)) return FALSE;
 812
 813         gtk_widget_style_get(GTK_WIDGET(treeview), "expander-size", &size, "horizontal-separator", &sep, NULL);
 814         depth = gtk_tree_path_get_depth(tpath);
 815
 816         exp_width = sep + size + sep;
 817
 818         if (x <= depth * exp_width)
 819                 {
 820                 if (left_of_expander) *left_of_expander = !(x >= (depth - 1) * exp_width);
 821                 return TRUE;
 822                 }
 823
 824         return FALSE;
 825 }
 826
 827 gint vdtree_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 828 {
 829         ViewDir *vd = data;
 830         GtkTreePath *tpath;
 831         GtkTreeViewColumn *column;
 832         GtkTreeIter iter;
 833         NodeData *nd = NULL;
 834
 835         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
 836                                           &tpath, &column, NULL, NULL))
 837                 {
 838                 GtkTreeModel *store;
 839                 gint left_of_expander;
 840
 841                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 842                 gtk_tree_model_get_iter(store, &iter, tpath);
 843                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 844                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, NULL, FALSE);
 845
 846                 if (vdtree_clicked_on_expander(GTK_TREE_VIEW(widget), tpath, column, bevent->x, bevent->y, &left_of_expander))
 847                         {
 848                         vd->click_fd = NULL;
 849
 850                         /* clicking this region should automatically reveal an expander, if necessary
 851                          * treeview bug: the expander will not expand until a button_motion_event highlights it.
 852                          */
 853                         if (bevent->button == MOUSE_BUTTON_LEFT &&
 854                             !left_of_expander &&
 855                             !gtk_tree_view_row_expanded(GTK_TREE_VIEW(vd->view), tpath))
 856                                 {
 857                                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->dir_fd);
 858                                 vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
 859                                 }
 860
 861                         gtk_tree_path_free(tpath);
 862                         return FALSE;
 863                         }
 864
 865                 gtk_tree_path_free(tpath);
 866                 }
 867
 868         vd->click_fd = (nd) ? nd->fd : NULL;
 869         vd_color_set(vd, vd->click_fd, TRUE);
 870
 871         if (bevent->button == MOUSE_BUTTON_RIGHT)
 872                 {
 873                 vd->popup = vd_pop_menu(vd, vd->click_fd);
 874                 gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, NULL, NULL,
 875                                bevent->button, bevent->time);
 876                 }
 877
 878         return (bevent->button != MOUSE_BUTTON_LEFT);
 879 }
 880
 881 static void vdtree_row_expanded(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
 882 {
 883         ViewDir *vd = data;
 884
 885         vdtree_populate_path_by_iter(vd, iter, FALSE, NULL);
 886         vdtree_icon_set_by_iter(vd, iter, vd->pf->open);
 887 }
 888
 889 static void vdtree_row_collapsed(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
 890 {
 891         ViewDir *vd = data;
 892
 893         vdtree_icon_set_by_iter(vd, iter, vd->pf->close);
 894 }
 895
 896 static gint vdtree_sort_cb(GtkTreeModel *store, GtkTreeIter *a, GtkTreeIter *b, gpointer data)
 897 {
 898         NodeData *nda;
 899         NodeData *ndb;
 900
 901         gtk_tree_model_get(store, a, DIR_COLUMN_POINTER, &nda, -1);
 902         gtk_tree_model_get(store, b, DIR_COLUMN_POINTER, &ndb, -1);
 903
 904         if (options->file_sort.case_sensitive)
 905                 return strcmp(nda->fd->collate_key_name, ndb->fd->collate_key_name);
 906         else
 907                 return strcmp(nda->fd->collate_key_name_nocase, ndb->fd->collate_key_name_nocase);
 908 }
 909
 910 /*
 911  *----------------------------------------------------------------------------
 912  * core
 913  *----------------------------------------------------------------------------
 914  */
 915
 916 static void vdtree_setup_root(ViewDir *vd)
 917 {
 918         const gchar *path = G_DIR_SEPARATOR_S;
 919         FileData *fd;
 920
 921
 922         fd = file_data_new_simple(path);
 923         vdtree_add_by_data(vd, fd, NULL);
 924
 925         vdtree_expand_by_data(vd, fd, TRUE);
 926         vdtree_populate_path(vd, fd, FALSE, FALSE);
 927 }
 928
 929 static gboolean vdtree_destroy_node_cb(GtkTreeModel *store, GtkTreePath *tpath, GtkTreeIter *iter, gpointer data)
 930 {
 931         NodeData *nd;
 932
 933         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 934         vdtree_node_free(nd);
 935
 936         return FALSE;
 937 }
 938
 939 void vdtree_destroy_cb(GtkWidget *widget, gpointer data)
 940 {
 941         ViewDir *vd = data;
 942         GtkTreeModel *store;
 943
 944         vdtree_dnd_drop_expand_cancel(vd);
 945         vd_dnd_drop_scroll_cancel(vd);
 946         widget_auto_scroll_stop(vd->view);
 947
 948         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 949         gtk_tree_model_foreach(store, vdtree_destroy_node_cb, vd);
 950 }
 951
 952 ViewDir *vdtree_new(ViewDir *vd, FileData *dir_fd)
 953 {
 954         GtkTreeStore *store;
 955         GtkTreeSelection *selection;
 956         GtkTreeViewColumn *column;
 957         GtkCellRenderer *renderer;
 958
 959         vd->info = g_new0(ViewDirInfoTree, 1);
 960         vd->type = DIRVIEW_TREE;
 961
 962         VDTREE(vd)->drop_expand_id = -1;
 963         VDTREE(vd)->busy_ref = 0;
 964
 965         vd->dnd_drop_leave_func = vdtree_dnd_drop_expand_cancel;
 966         vd->dnd_drop_update_func = vdtree_dnd_drop_expand;
 967
 968         store = gtk_tree_store_new(4, G_TYPE_POINTER, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_INT);
 969         vd->view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
 970         g_object_unref(store);
 971
 972         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(vd->view), FALSE);
 973         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(vd->view), FALSE);
 974         gtk_tree_sortable_set_default_sort_func(GTK_TREE_SORTABLE(store), vdtree_sort_cb, vd, NULL);
 975         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
 976                                              GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, GTK_SORT_ASCENDING);
 977
 978         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vd->view));
 979         gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);
 980         gtk_tree_selection_set_select_function(selection, vdtree_select_cb, vd, NULL);
 981
 982         column = gtk_tree_view_column_new();
 983         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
 984
 985         renderer = gtk_cell_renderer_pixbuf_new();
 986         gtk_tree_view_column_pack_start(column, renderer, FALSE);
 987         gtk_tree_view_column_add_attribute(column, renderer, "pixbuf", DIR_COLUMN_ICON);
 988         gtk_tree_view_column_set_cell_data_func(column, renderer, vd_color_cb, vd, NULL);
 989
 990         renderer = gtk_cell_renderer_text_new();
 991         gtk_tree_view_column_pack_start(column, renderer, TRUE);
 992         gtk_tree_view_column_add_attribute(column, renderer, "text", DIR_COLUMN_NAME);
 993         gtk_tree_view_column_set_cell_data_func(column, renderer, vd_color_cb, vd, NULL);
 994
 995         gtk_tree_view_append_column(GTK_TREE_VIEW(vd->view), column);
 996
 997         vdtree_setup_root(vd);
 998
 999         g_signal_connect(G_OBJECT(vd->view), "row_expanded",
1000                          G_CALLBACK(vdtree_row_expanded), vd);
1001         g_signal_connect(G_OBJECT(vd->view), "row_collapsed",
1002                          G_CALLBACK(vdtree_row_collapsed), vd);
1003
1004         return vd;
1005 }
1006 /* vim: set shiftwidth=8 softtabstop=0 cindent cinoptions={1s: */