src/view_dir_tree.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  *
   5  * Author: John Ellis
   6  *
   7  * This software is released under the GNU General Public License (GNU GPL).
   8  * Please read the included file COPYING for more information.
   9  * This software comes with no warranty of any kind, use at your own risk!
  10  */
  11
  12 #include "main.h"
  13 #include "view_dir_tree.h"
  14
  15
  16 #include "dnd.h"
  17 #include "dupe.h"
  18 #include "filelist.h"
  19 #include "layout.h"
  20 #include "layout_image.h"
  21 #include "layout_util.h"
  22 #include "utilops.h"
  23 #include "ui_bookmark.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_INDENT 14
  33 #define VDTREE_PAD 4
  34
  35 #define VDTREE_INFO(_vd_, _part_) (((ViewDirInfoTree *)(_vd_->info))->_part_)
  36
  37
  38 typedef struct _PathData PathData;
  39 struct _PathData
  40 {
  41         gchar *name;
  42         FileData *node;
  43 };
  44
  45
  46
  47 static gint vdtree_populate_path_by_iter(ViewDir *vd, GtkTreeIter *iter, gint force, const gchar *target_path);
  48
  49
  50 /*
  51  *----------------------------------------------------------------------------
  52  * utils
  53  *----------------------------------------------------------------------------
  54  */
  55
  56 static void set_cursor(GtkWidget *widget, GdkCursorType cursor_type)
  57 {
  58         GdkCursor *cursor = NULL;
  59
  60         if (!widget || !widget->window) return;
  61
  62         if (cursor_type > -1) cursor = gdk_cursor_new (cursor_type);
  63         gdk_window_set_cursor (widget->window, cursor);
  64         if (cursor) gdk_cursor_unref(cursor);
  65         gdk_flush();
  66 }
  67
  68 static void vdtree_busy_push(ViewDir *vd)
  69 {
  70         if (VDTREE_INFO(vd, busy_ref) == 0) set_cursor(vd->view, GDK_WATCH);
  71         VDTREE_INFO(vd, busy_ref)++;
  72 }
  73
  74 static void vdtree_busy_pop(ViewDir *vd)
  75 {
  76         if (VDTREE_INFO(vd, busy_ref) == 1) set_cursor(vd->view, -1);
  77         if (VDTREE_INFO(vd, busy_ref) > 0) VDTREE_INFO(vd, busy_ref)--;
  78 }
  79
  80 gint vdtree_find_row(ViewDir *vd, FileData *fd, GtkTreeIter *iter, GtkTreeIter *parent)
  81 {
  82         GtkTreeModel *store;
  83         gint valid;
  84
  85         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
  86         if (parent)
  87                 {
  88                 valid = gtk_tree_model_iter_children(store, iter, parent);
  89                 }
  90         else
  91                 {
  92                 valid = gtk_tree_model_get_iter_first(store, iter);
  93                 }
  94         while (valid)
  95                 {
  96                 NodeData *nd;
  97                 GtkTreeIter found;
  98
  99                 gtk_tree_model_get(GTK_TREE_MODEL(store), iter, DIR_COLUMN_POINTER, &nd, -1);
 100                 if (nd->fd == fd) return TRUE;
 101
 102                 if (vdtree_find_row(vd, fd, &found, iter))
 103                         {
 104                         memcpy(iter, &found, sizeof(found));
 105                         return TRUE;
 106                         }
 107
 108                 valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(store), iter);
 109                 }
 110
 111         return FALSE;
 112 }
 113
 114 static void vdtree_icon_set_by_iter(ViewDir *vd, GtkTreeIter *iter, GdkPixbuf *pixbuf)
 115 {
 116         GtkTreeModel *store;
 117         GdkPixbuf *old;
 118
 119         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 120         gtk_tree_model_get(store, iter, DIR_COLUMN_ICON, &old, -1);
 121         if (old != vd->pf->deny)
 122                 {
 123                 gtk_tree_store_set(GTK_TREE_STORE(store), iter, DIR_COLUMN_ICON, pixbuf, -1);
 124                 }
 125 }
 126
 127 static void vdtree_expand_by_iter(ViewDir *vd, GtkTreeIter *iter, gint expand)
 128 {
 129         GtkTreeModel *store;
 130         GtkTreePath *tpath;
 131
 132         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 133         tpath = gtk_tree_model_get_path(store, iter);
 134         if (expand)
 135                 {
 136                 gtk_tree_view_expand_row(GTK_TREE_VIEW(vd->view), tpath, FALSE);
 137                 vdtree_icon_set_by_iter(vd, iter, vd->pf->open);
 138                 }
 139         else
 140                 {
 141                 gtk_tree_view_collapse_row(GTK_TREE_VIEW(vd->view), tpath);
 142                 }
 143         gtk_tree_path_free(tpath);
 144 }
 145
 146 static void vdtree_expand_by_data(ViewDir *vd, FileData *fd, gint expand)
 147 {
 148         GtkTreeIter iter;
 149
 150         if (vd_find_row(vd, fd, &iter))
 151                 {
 152                 vdtree_expand_by_iter(vd, &iter, expand);
 153                 }
 154 }
 155
 156 static void vdtree_node_free(NodeData *nd)
 157 {
 158         if (!nd) return;
 159
 160         file_data_unref(nd->fd);
 161         g_free(nd);
 162 }
 163
 164 /*
 165  *----------------------------------------------------------------------------
 166  * dnd
 167  *----------------------------------------------------------------------------
 168  */
 169
 170 static gint vdtree_dnd_drop_expand_cb(gpointer data)
 171 {
 172         ViewDir *vd = data;
 173         GtkTreeIter iter;
 174
 175         if (vd->drop_fd && vd_find_row(vd, vd->drop_fd, &iter))
 176                 {
 177                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->path);
 178                 vdtree_expand_by_data(vd, vd->drop_fd, TRUE);
 179                 }
 180
 181         VDTREE_INFO(vd, drop_expand_id) = -1;
 182         return FALSE;
 183 }
 184
 185 void vdtree_dnd_drop_expand_cancel(ViewDir *vd)
 186 {
 187         if (VDTREE_INFO(vd, drop_expand_id) != -1) g_source_remove(VDTREE_INFO(vd, drop_expand_id));
 188         VDTREE_INFO(vd, drop_expand_id) = -1;
 189 }
 190
 191 void vdtree_dnd_drop_expand(ViewDir *vd)
 192 {
 193         vdtree_dnd_drop_expand_cancel(vd);
 194         VDTREE_INFO(vd, drop_expand_id) = g_timeout_add(1000, vdtree_dnd_drop_expand_cb, vd);
 195 }
 196
 197 /*
 198  *----------------------------------------------------------------------------
 199  * parts lists
 200  *----------------------------------------------------------------------------
 201  */
 202
 203 static GList *parts_list(const gchar *path)
 204 {
 205         GList *list = NULL;
 206         const gchar *strb, *strp;
 207         gint l;
 208
 209         strp = path;
 210
 211         if (*strp != '/') return NULL;
 212
 213         strp++;
 214         strb = strp;
 215         l = 0;
 216
 217         while (*strp != '\0')
 218                 {
 219                 if (*strp == '/')
 220                         {
 221                         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 222                         strp++;
 223                         strb = strp;
 224                         l = 0;
 225                         }
 226                 else
 227                         {
 228                         strp++;
 229                         l++;
 230                         }
 231                 }
 232         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 233
 234         list = g_list_reverse(list);
 235
 236         list = g_list_prepend(list, g_strdup("/"));
 237
 238         return list;
 239 }
 240
 241 static void parts_list_free(GList *list)
 242 {
 243         GList *work = list;
 244         while (work)
 245                 {
 246                 PathData *pd = work->data;
 247                 g_free(pd->name);
 248                 g_free(pd);
 249                 work = work->next;
 250                 }
 251
 252         g_list_free(list);
 253 }
 254
 255 static GList *parts_list_add_node_points(ViewDir *vd, GList *list)
 256 {
 257         GList *work;
 258         GtkTreeModel *store;
 259         GtkTreeIter iter;
 260         gint valid;
 261
 262         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 263         valid = gtk_tree_model_get_iter_first(store, &iter);
 264
 265         work = list;
 266         while (work)
 267                 {
 268                 PathData *pd;
 269                 FileData *fd = NULL;
 270
 271                 pd = g_new0(PathData, 1);
 272                 pd->name = work->data;
 273
 274                 while (valid && !fd)
 275                         {
 276                         NodeData *nd;
 277
 278                         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 279                         if (strcmp(nd->fd->name, pd->name) == 0)
 280                                 {
 281                                 fd = nd->fd;
 282                                 }
 283                         else
 284                                 {
 285                                 valid = gtk_tree_model_iter_next(store, &iter);
 286                                 }
 287                         }
 288
 289                 pd->node = fd;
 290                 work->data = pd;
 291
 292                 if (fd)
 293                         {
 294                         GtkTreeIter parent;
 295                         memcpy(&parent, &iter, sizeof(parent));
 296                         valid = gtk_tree_model_iter_children(store, &iter, &parent);
 297                         }
 298
 299                 work = work->next;
 300                 }
 301
 302         return list;
 303 }
 304
 305 /*
 306  *----------------------------------------------------------------------------
 307  * misc
 308  *----------------------------------------------------------------------------
 309  */
 310
 311 #if 0
 312 static void vdtree_row_deleted_cb(GtkTreeModel *tree_model, GtkTreePath *tpath, gpointer data)
 313 {
 314         GtkTreeIter iter;
 315         NodeData *nd;
 316
 317         gtk_tree_model_get_iter(tree_model, &iter, tpath);
 318         gtk_tree_model_get(tree_model, &iter, DIR_COLUMN_POINTER, &nd, -1);
 319
 320         if (!nd) return;
 321
 322         file_data_unref(nd->fd);
 323         g_free(nd);
 324 }
 325 #endif
 326
 327 /*
 328  *----------------------------------------------------------------------------
 329  * node traversal, management
 330  *----------------------------------------------------------------------------
 331  */
 332
 333 static gint vdtree_find_iter_by_data(ViewDir *vd, GtkTreeIter *parent, NodeData *nd, GtkTreeIter *iter)
 334 {
 335         GtkTreeModel *store;
 336
 337         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 338         if (!nd || !gtk_tree_model_iter_children(store, iter, parent)) return -1;
 339         do      {
 340                 NodeData *cnd;
 341
 342                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &cnd, -1);
 343                 if (cnd == nd) return TRUE;
 344                 } while (gtk_tree_model_iter_next(store, iter));
 345
 346         return FALSE;
 347 }
 348
 349 static NodeData *vdtree_find_iter_by_name(ViewDir *vd, GtkTreeIter *parent, const gchar *name, GtkTreeIter *iter)
 350 {
 351         GtkTreeModel *store;
 352
 353         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 354         if (!name || !gtk_tree_model_iter_children(store, iter, parent)) return NULL;
 355         do      {
 356                 NodeData *nd;
 357
 358                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 359                 if (nd && strcmp(nd->fd->name, name) == 0) return nd;
 360                 } while (gtk_tree_model_iter_next(store, iter));
 361
 362         return NULL;
 363 }
 364
 365 static void vdtree_add_by_data(ViewDir *vd, FileData *fd, GtkTreeIter *parent)
 366 {
 367         GtkTreeStore *store;
 368         GtkTreeIter child;
 369         NodeData *nd;
 370         GdkPixbuf *pixbuf;
 371         NodeData *end;
 372         GtkTreeIter empty;
 373
 374         if (!fd) return;
 375
 376         if (access_file(fd->path, R_OK | X_OK))
 377                 {
 378                 pixbuf = vd->pf->close;
 379                 }
 380         else
 381                 {
 382                 pixbuf = vd->pf->deny;
 383                 }
 384
 385         nd = g_new0(NodeData, 1);
 386         nd->fd = fd;
 387         nd->expanded = FALSE;
 388         nd->last_update = time(NULL);
 389
 390         store = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view)));
 391         gtk_tree_store_append(store, &child, parent);
 392         gtk_tree_store_set(store, &child, DIR_COLUMN_POINTER, nd,
 393                                          DIR_COLUMN_ICON, pixbuf,
 394                                          DIR_COLUMN_NAME, nd->fd->name,
 395                                          DIR_COLUMN_COLOR, FALSE, -1);
 396
 397         /* all nodes are created with an "empty" node, so that the expander is shown
 398          * this is removed when the child is populated */
 399         end = g_new0(NodeData, 1);
 400         end->fd = file_data_new_simple("");
 401         end->expanded = TRUE;
 402
 403         gtk_tree_store_append(store, &empty, &child);
 404         gtk_tree_store_set(store, &empty, DIR_COLUMN_POINTER, end,
 405                                           DIR_COLUMN_NAME, "empty", -1);
 406
 407         if (parent)
 408                 {
 409                 NodeData *pnd;
 410                 GtkTreePath *tpath;
 411
 412                 gtk_tree_model_get(GTK_TREE_MODEL(store), parent, DIR_COLUMN_POINTER, &pnd, -1);
 413                 tpath = gtk_tree_model_get_path(GTK_TREE_MODEL(store), parent);
 414                 if (options->tree_descend_subdirs &&
 415                     gtk_tree_view_row_expanded(GTK_TREE_VIEW(vd->view), tpath) &&
 416                     !nd->expanded)
 417                         {
 418                         vdtree_populate_path_by_iter(vd, &child, FALSE, vd->path);
 419                         }
 420                 gtk_tree_path_free(tpath);
 421                 }
 422 }
 423
 424 static gint vdtree_populate_path_by_iter(ViewDir *vd, GtkTreeIter *iter, gint force, const gchar *target_path)
 425 {
 426         GtkTreeModel *store;
 427         GList *list;
 428         GList *work;
 429         GList *old;
 430         time_t current_time;
 431         GtkTreeIter child;
 432         NodeData *nd;
 433
 434         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 435         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 436
 437         if (!nd) return FALSE;
 438
 439         current_time = time(NULL);
 440
 441         if (nd->expanded)
 442                 {
 443                 if (!force && current_time - nd->last_update < 10) return TRUE;
 444                 if (!isdir(nd->fd->path))
 445                         {
 446                         if (vd->click_fd == nd->fd) vd->click_fd = NULL;
 447                         if (vd->drop_fd == nd->fd) vd->drop_fd = NULL;
 448                         gtk_tree_store_remove(GTK_TREE_STORE(store), iter);
 449                         vdtree_node_free(nd);
 450                         return FALSE;
 451                         }
 452                 if (!force && filetime(nd->fd->path) == nd->fd->date) return TRUE;
 453                 }
 454
 455         vdtree_busy_push(vd);
 456
 457         list = NULL;
 458         filelist_read(nd->fd->path, NULL, &list);
 459
 460         /* when hidden files are not enabled, and the user enters a hidden path,
 461          * allow the tree to display that path by specifically inserting the hidden entries
 462          */
 463         if (!options->file_filter.show_hidden_files &&
 464             target_path &&
 465             strncmp(nd->fd->path, target_path, strlen(nd->fd->path)) == 0)
 466                 {
 467                 gint n;
 468
 469                 n = strlen(nd->fd->path);
 470                 if (target_path[n] == '/' && target_path[n+1] == '.')
 471                         {
 472                         gchar *name8;
 473                         struct stat sbuf;
 474
 475                         n++;
 476
 477                         while (target_path[n] != '\0' && target_path[n] != '/') n++;
 478                         name8 = g_strndup(target_path, n);
 479
 480                         if (stat_utf8(name8, &sbuf))
 481                                 {
 482                                 list = g_list_prepend(list, file_data_new_simple(name8));
 483                                 }
 484
 485                         g_free(name8);
 486                         }
 487                 }
 488
 489         old = NULL;
 490         if (gtk_tree_model_iter_children(store, &child, iter))
 491                 {
 492                 do      {
 493                         NodeData *cnd;
 494
 495                         gtk_tree_model_get(store, &child, DIR_COLUMN_POINTER, &cnd, -1);
 496                         old = g_list_prepend(old, cnd);
 497                         } while (gtk_tree_model_iter_next(store, &child));
 498                 }
 499
 500         work = list;
 501         while (work)
 502                 {
 503                 FileData *fd;
 504
 505                 fd = work->data;
 506                 work = work->next;
 507
 508                 if (strcmp(fd->name, ".") == 0 || strcmp(fd->name, "..") == 0)
 509                         {
 510                         file_data_unref(fd);
 511                         }
 512                 else
 513                         {
 514                         NodeData *cnd;
 515
 516                         cnd = vdtree_find_iter_by_name(vd, iter, fd->name, &child);
 517                         if (cnd)
 518                                 {
 519                                 old = g_list_remove(old, cnd);
 520                                 if (cnd->expanded && cnd->fd->date != fd->date &&
 521                                     vdtree_populate_path_by_iter(vd, &child, FALSE, target_path))
 522                                         {
 523                                         cnd->fd->size = fd->size;
 524                                         cnd->fd->date = fd->date;
 525                                         }
 526
 527                                 file_data_unref(fd);
 528                                 }
 529                         else
 530                                 {
 531                                 vdtree_add_by_data(vd, fd, iter);
 532                                 }
 533                         }
 534                 }
 535
 536         work = old;
 537         while (work)
 538                 {
 539                 NodeData *cnd = work->data;
 540                 work = work->next;
 541
 542                 if (vd->click_fd == cnd->fd) vd->click_fd = NULL;
 543                 if (vd->drop_fd == cnd->fd) vd->drop_fd = NULL;
 544
 545                 if (vdtree_find_iter_by_data(vd, iter, cnd, &child))
 546                         {
 547                         gtk_tree_store_remove(GTK_TREE_STORE(store), &child);
 548                         vdtree_node_free(cnd);
 549                         }
 550                 }
 551
 552         g_list_free(old);
 553         g_list_free(list);
 554
 555         vdtree_busy_pop(vd);
 556
 557         nd->expanded = TRUE;
 558         nd->last_update = current_time;
 559
 560         return TRUE;
 561 }
 562
 563 FileData *vdtree_populate_path(ViewDir *vd, const gchar *path, gint expand, gint force)
 564 {
 565         GList *list;
 566         GList *work;
 567         FileData *fd = NULL;
 568
 569         if (!path) return NULL;
 570
 571         vdtree_busy_push(vd);
 572
 573         list = parts_list(path);
 574         list = parts_list_add_node_points(vd, list);
 575
 576         work = list;
 577         while (work)
 578                 {
 579                 PathData *pd = work->data;
 580                 if (pd->node == NULL)
 581                         {
 582                         PathData *parent_pd;
 583                         GtkTreeIter parent_iter;
 584                         GtkTreeIter iter;
 585                         NodeData *nd;
 586
 587                         if (work == list)
 588                                 {
 589                                 /* should not happen */
 590                                 printf("vdtree warning, root node not found\n");
 591                                 parts_list_free(list);
 592                                 vdtree_busy_pop(vd);
 593                                 return NULL;
 594                                 }
 595
 596                         parent_pd = work->prev->data;
 597
 598                         if (!vd_find_row(vd, parent_pd->node, &parent_iter) ||
 599                             !vdtree_populate_path_by_iter(vd, &parent_iter, force, path) ||
 600                             (nd = vdtree_find_iter_by_name(vd, &parent_iter, pd->name, &iter)) == NULL)
 601                                 {
 602                                 printf("vdtree warning, aborted at %s\n", parent_pd->name);
 603                                 parts_list_free(list);
 604                                 vdtree_busy_pop(vd);
 605                                 return NULL;
 606                                 }
 607
 608                         pd->node = nd->fd;
 609
 610                         if (pd->node)
 611                                 {
 612                                 if (expand)
 613                                         {
 614                                         vdtree_expand_by_iter(vd, &parent_iter, TRUE);
 615                                         vdtree_expand_by_iter(vd, &iter, TRUE);
 616                                         }
 617                                 vdtree_populate_path_by_iter(vd, &iter, force, path);
 618                                 }
 619                         }
 620                 else
 621                         {
 622                         GtkTreeIter iter;
 623
 624                         if (vd_find_row(vd, pd->node, &iter))
 625                                 {
 626                                 if (expand) vdtree_expand_by_iter(vd, &iter, TRUE);
 627                                 vdtree_populate_path_by_iter(vd, &iter, force, path);
 628                                 }
 629                         }
 630
 631                 work = work->next;
 632                 }
 633
 634         work = g_list_last(list);
 635         if (work)
 636                 {
 637                 PathData *pd = work->data;
 638                 fd = pd->node;
 639                 }
 640         parts_list_free(list);
 641
 642         vdtree_busy_pop(vd);
 643
 644         return fd;
 645 }
 646
 647 /*
 648  *----------------------------------------------------------------------------
 649  * access
 650  *----------------------------------------------------------------------------
 651  */
 652
 653 static gint selection_is_ok = FALSE;
 654
 655 static gboolean vdtree_select_cb(GtkTreeSelection *selection, GtkTreeModel *store, GtkTreePath *tpath,
 656                                  gboolean path_currently_selected, gpointer data)
 657 {
 658         return selection_is_ok;
 659 }
 660
 661 static void vdtree_select_row(ViewDir *vd, FileData *fd)
 662 {
 663         GtkTreeSelection *selection;
 664         GtkTreeIter iter;
 665
 666         if (!vd_find_row(vd, fd, &iter)) return;
 667         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vd->view));
 668
 669         /* hack, such that selection is only allowed to be changed from here */
 670         selection_is_ok = TRUE;
 671         gtk_tree_selection_select_iter(selection, &iter);
 672         selection_is_ok = FALSE;
 673
 674         if (!vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->path)) return;
 675
 676         vdtree_expand_by_iter(vd, &iter, TRUE);
 677
 678         if (fd && vd->select_func)
 679                 {
 680                 vd->select_func(vd, fd->path, vd->select_data);
 681                 }
 682 }
 683
 684 gint vdtree_set_path(ViewDir *vd, const gchar *path)
 685 {
 686         FileData *fd;
 687         GtkTreeIter iter;
 688
 689         if (!path) return FALSE;
 690         if (vd->path && strcmp(path, vd->path) == 0) return TRUE;
 691
 692         g_free(vd->path);
 693         vd->path = g_strdup(path);
 694
 695         fd = vdtree_populate_path(vd, vd->path, TRUE, FALSE);
 696
 697         if (!fd) return FALSE;
 698
 699         if (vd_find_row(vd, fd, &iter))
 700                 {
 701                 GtkTreeModel *store;
 702                 GtkTreePath *tpath;
 703
 704                 tree_view_row_make_visible(GTK_TREE_VIEW(vd->view), &iter, TRUE);
 705
 706                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 707                 tpath = gtk_tree_model_get_path(store, &iter);
 708                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(vd->view), tpath, NULL, FALSE);
 709                 gtk_tree_path_free(tpath);
 710
 711                 vdtree_select_row(vd, fd);
 712                 }
 713
 714         return TRUE;
 715 }
 716
 717 #if 0
 718 const gchar *vdtree_get_path(ViewDir *vd)
 719 {
 720         return vd->path;
 721 }
 722 #endif
 723
 724 void vdtree_refresh(ViewDir *vd)
 725 {
 726         vdtree_populate_path(vd, vd->path, FALSE, TRUE);
 727 }
 728
 729 const gchar *vdtree_row_get_path(ViewDir *vd, gint row)
 730 {
 731         printf("FIXME: no get row path\n");
 732         return NULL;
 733 }
 734
 735 /*
 736  *----------------------------------------------------------------------------
 737  * callbacks
 738  *----------------------------------------------------------------------------
 739  */
 740
 741 static void vdtree_menu_position_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
 742 {
 743         ViewDir *vd = data;
 744         GtkTreeModel *store;
 745         GtkTreeIter iter;
 746         GtkTreePath *tpath;
 747         gint cw, ch;
 748
 749         if (vd_find_row(vd, vd->click_fd, &iter) < 0) return;
 750         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 751         tpath = gtk_tree_model_get_path(store, &iter);
 752         tree_view_get_cell_clamped(GTK_TREE_VIEW(vd->view), tpath, 0, TRUE, x, y, &cw, &ch);
 753         gtk_tree_path_free(tpath);
 754         *y += ch;
 755         popup_menu_position_clamp(menu, x, y, 0);
 756 }
 757
 758 static gint vdtree_press_key_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
 759 {
 760         ViewDir *vd = data;
 761         GtkTreePath *tpath;
 762         GtkTreeIter iter;
 763         FileData *fd = NULL;
 764
 765         gtk_tree_view_get_cursor(GTK_TREE_VIEW(vd->view), &tpath, NULL);
 766         if (tpath)
 767                 {
 768                 GtkTreeModel *store;
 769                 NodeData *nd;
 770
 771                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 772                 gtk_tree_model_get_iter(store, &iter, tpath);
 773                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 774
 775                 gtk_tree_path_free(tpath);
 776
 777                 fd = (nd) ? nd->fd : NULL;
 778                 }
 779
 780         switch (event->keyval)
 781                 {
 782                 case GDK_Menu:
 783                         vd->click_fd = fd;
 784                         vd_color_set(vd, vd->click_fd, TRUE);
 785
 786                         vd->popup = vd_pop_menu(vd, vd->click_fd);
 787                         gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, vdtree_menu_position_cb, vd, 0, GDK_CURRENT_TIME);
 788
 789                         return TRUE;
 790                         break;
 791                 case GDK_plus:
 792                 case GDK_Right:
 793                 case GDK_KP_Add:
 794                         if (fd)
 795                                 {
 796                                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->path);
 797                                 vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
 798                                 }
 799                         break;
 800                 }
 801
 802         return FALSE;
 803 }
 804
 805 static gint vdtree_clicked_on_expander(GtkTreeView *treeview, GtkTreePath *tpath,
 806                                        GtkTreeViewColumn *column, gint x, gint y, gint *left_of_expander)
 807 {
 808         gint depth;
 809         gint size;
 810         gint sep;
 811         gint exp_width;
 812
 813         if (column != gtk_tree_view_get_expander_column(treeview)) return FALSE;
 814
 815         gtk_widget_style_get(GTK_WIDGET(treeview), "expander-size", &size, "horizontal-separator", &sep, NULL);
 816         depth = gtk_tree_path_get_depth(tpath);
 817
 818         exp_width = sep + size + sep;
 819
 820         if (x <= depth * exp_width)
 821                 {
 822                 if (left_of_expander) *left_of_expander = !(x >= (depth - 1) * exp_width);
 823                 return TRUE;
 824                 }
 825
 826         return FALSE;
 827 }
 828
 829 static gint vdtree_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 830 {
 831         ViewDir *vd = data;
 832         GtkTreePath *tpath;
 833         GtkTreeViewColumn *column;
 834         GtkTreeIter iter;
 835         NodeData *nd = NULL;
 836
 837         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
 838                                           &tpath, &column, NULL, NULL))
 839                 {
 840                 GtkTreeModel *store;
 841                 gint left_of_expander;
 842
 843                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 844                 gtk_tree_model_get_iter(store, &iter, tpath);
 845                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 846                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, NULL, FALSE);
 847
 848                 if (vdtree_clicked_on_expander(GTK_TREE_VIEW(widget), tpath, column, bevent->x, bevent->y, &left_of_expander))
 849                         {
 850                         vd->click_fd = NULL;
 851
 852                         /* clicking this region should automatically reveal an expander, if necessary
 853                          * treeview bug: the expander will not expand until a button_motion_event highlights it.
 854                          */
 855                         if (bevent->button == 1 &&
 856                             !left_of_expander &&
 857                             !gtk_tree_view_row_expanded(GTK_TREE_VIEW(vd->view), tpath))
 858                                 {
 859                                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->path);
 860                                 vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
 861                                 }
 862
 863                         gtk_tree_path_free(tpath);
 864                         return FALSE;
 865                         }
 866
 867                 gtk_tree_path_free(tpath);
 868                 }
 869
 870         vd->click_fd = (nd) ? nd->fd : NULL;
 871         vd_color_set(vd, vd->click_fd, TRUE);
 872
 873         if (bevent->button == 3)
 874                 {
 875                 vd->popup = vd_pop_menu(vd, vd->click_fd);
 876                 gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, NULL, NULL,
 877                                bevent->button, bevent->time);
 878                 }
 879
 880         return (bevent->button != 1);
 881 }
 882
 883 static gint vdtree_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
 884 {
 885         ViewDir *vd = data;
 886         GtkTreePath *tpath;
 887         GtkTreeIter iter;
 888         NodeData *nd = NULL;
 889
 890         if (!vd->click_fd) return FALSE;
 891         vd_color_set(vd, vd->click_fd, FALSE);
 892
 893         if (bevent->button != 1) return TRUE;
 894
 895         if ((bevent->x != 0 || bevent->y != 0) &&
 896             gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
 897                                           &tpath, NULL, NULL, NULL))
 898                 {
 899                 GtkTreeModel *store;
 900
 901                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 902                 gtk_tree_model_get_iter(store, &iter, tpath);
 903                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 904                 gtk_tree_path_free(tpath);
 905                 }
 906
 907         if (nd && vd->click_fd == nd->fd)
 908                 {
 909                 vdtree_select_row(vd, vd->click_fd);
 910                 }
 911
 912         return FALSE;
 913 }
 914
 915 static void vdtree_row_expanded(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
 916 {
 917         ViewDir *vd = data;
 918
 919         vdtree_populate_path_by_iter(vd, iter, FALSE, NULL);
 920         vdtree_icon_set_by_iter(vd, iter, vd->pf->open);
 921 }
 922
 923 static void vdtree_row_collapsed(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
 924 {
 925         ViewDir *vd = data;
 926
 927         vdtree_icon_set_by_iter(vd, iter, vd->pf->close);
 928 }
 929
 930 static gint vdtree_sort_cb(GtkTreeModel *store, GtkTreeIter *a, GtkTreeIter *b, gpointer data)
 931 {
 932         NodeData *nda;
 933         NodeData *ndb;
 934
 935         gtk_tree_model_get(store, a, DIR_COLUMN_POINTER, &nda, -1);
 936         gtk_tree_model_get(store, b, DIR_COLUMN_POINTER, &ndb, -1);
 937
 938         return CASE_SORT(nda->fd->name, ndb->fd->name);
 939 }
 940
 941 /*
 942  *----------------------------------------------------------------------------
 943  * core
 944  *----------------------------------------------------------------------------
 945  */
 946
 947 static void vdtree_setup_root(ViewDir *vd)
 948 {
 949         const gchar *path = "/";
 950         FileData *fd;
 951
 952
 953         fd = file_data_new_simple(path);
 954         vdtree_add_by_data(vd, fd, NULL);
 955
 956         vdtree_expand_by_data(vd, fd, TRUE);
 957         vdtree_populate_path(vd, path, FALSE, FALSE);
 958 }
 959
 960 static void vdtree_activate_cb(GtkTreeView *tview, GtkTreePath *tpath, GtkTreeViewColumn *column, gpointer data)
 961 {
 962         ViewDir *vd = data;
 963         GtkTreeModel *store;
 964         GtkTreeIter iter;
 965         NodeData *nd;
 966
 967         store = gtk_tree_view_get_model(tview);
 968         gtk_tree_model_get_iter(store, &iter, tpath);
 969         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 970
 971         vdtree_select_row(vd, nd->fd);
 972 }
 973
 974 static GdkColor *vdtree_color_shifted(GtkWidget *widget)
 975 {
 976         static GdkColor color;
 977         static GtkWidget *done = NULL;
 978
 979         if (done != widget)
 980                 {
 981                 GtkStyle *style;
 982
 983                 style = gtk_widget_get_style(widget);
 984                 memcpy(&color, &style->base[GTK_STATE_NORMAL], sizeof(color));
 985                 shift_color(&color, -1, 0);
 986                 done = widget;
 987                 }
 988
 989         return &color;
 990 }
 991
 992 static void vdtree_color_cb(GtkTreeViewColumn *tree_column, GtkCellRenderer *cell,
 993                             GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
 994 {
 995         ViewDir *vd = data;
 996         gboolean set;
 997
 998         gtk_tree_model_get(tree_model, iter, DIR_COLUMN_COLOR, &set, -1);
 999         g_object_set(G_OBJECT(cell),
1000                      "cell-background-gdk", vdtree_color_shifted(vd->view),
1001                      "cell-background-set", set, NULL);
1002 }
1003
1004 static gboolean vdtree_destroy_node_cb(GtkTreeModel *store, GtkTreePath *tpath, GtkTreeIter *iter, gpointer data)
1005 {
1006         NodeData *nd;
1007
1008         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
1009         vdtree_node_free(nd);
1010
1011         return FALSE;
1012 }
1013
1014 static void vdtree_destroy_cb(GtkWidget *widget, gpointer data)
1015 {
1016         ViewDir *vd = data;
1017         GtkTreeModel *store;
1018
1019         vdtree_dnd_drop_expand_cancel(vd);
1020         vd_dnd_drop_scroll_cancel(vd);
1021         widget_auto_scroll_stop(vd->view);
1022
1023         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
1024         gtk_tree_model_foreach(store, vdtree_destroy_node_cb, vd);
1025 }
1026
1027 ViewDir *vdtree_new(ViewDir *vd, const gchar *path)
1028 {
1029         GtkTreeStore *store;
1030         GtkTreeSelection *selection;
1031         GtkTreeViewColumn *column;
1032         GtkCellRenderer *renderer;
1033
1034         vd->info = g_new0(ViewDirInfoTree, 1);
1035         vd->type = DIRVIEW_TREE;
1036         vd->widget_destroy_cb = vdtree_destroy_cb;
1037
1038         VDTREE_INFO(vd, drop_expand_id) = -1;
1039
1040         VDTREE_INFO(vd, busy_ref) = 0;
1041
1042         store = gtk_tree_store_new(4, G_TYPE_POINTER, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_INT);
1043         vd->view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
1044         g_object_unref(store);
1045
1046         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(vd->view), FALSE);
1047         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(vd->view), FALSE);
1048         gtk_tree_sortable_set_default_sort_func(GTK_TREE_SORTABLE(store), vdtree_sort_cb, vd, NULL);
1049         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
1050                                              GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, GTK_SORT_ASCENDING);
1051
1052         g_signal_connect(G_OBJECT(vd->view), "row_activated",
1053                          G_CALLBACK(vdtree_activate_cb), vd);
1054         g_signal_connect(G_OBJECT(vd->view), "row_expanded",
1055                          G_CALLBACK(vdtree_row_expanded), vd);
1056         g_signal_connect(G_OBJECT(vd->view), "row_collapsed",
1057                          G_CALLBACK(vdtree_row_collapsed), vd);
1058 #if 0
1059         g_signal_connect(G_OBJECT(store), "row_deleted",
1060                          G_CALLBACK(vdtree_row_deleted_cb), vd);
1061 #endif
1062
1063         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vd->view));
1064         gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);
1065         gtk_tree_selection_set_select_function(selection, vdtree_select_cb, vd, NULL);
1066
1067         column = gtk_tree_view_column_new();
1068         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
1069
1070         renderer = gtk_cell_renderer_pixbuf_new();
1071         gtk_tree_view_column_pack_start(column, renderer, FALSE);
1072         gtk_tree_view_column_add_attribute(column, renderer, "pixbuf", DIR_COLUMN_ICON);
1073         gtk_tree_view_column_set_cell_data_func(column, renderer, vdtree_color_cb, vd, NULL);
1074
1075         renderer = gtk_cell_renderer_text_new();
1076         gtk_tree_view_column_pack_start(column, renderer, TRUE);
1077         gtk_tree_view_column_add_attribute(column, renderer, "text", DIR_COLUMN_NAME);
1078         gtk_tree_view_column_set_cell_data_func(column, renderer, vdtree_color_cb, vd, NULL);
1079
1080         gtk_tree_view_append_column(GTK_TREE_VIEW(vd->view), column);
1081
1082         g_signal_connect(G_OBJECT(vd->view), "key_press_event",
1083                          G_CALLBACK(vdtree_press_key_cb), vd);
1084
1085         gtk_container_add(GTK_CONTAINER(vd->widget), vd->view);
1086         gtk_widget_show(vd->view);
1087
1088         vd->pf = folder_icons_new();
1089
1090         vdtree_setup_root(vd);
1091
1092         vd_dnd_init(vd);
1093
1094         g_signal_connect(G_OBJECT(vd->view), "button_press_event",
1095                          G_CALLBACK(vdtree_press_cb), vd);
1096         g_signal_connect(G_OBJECT(vd->view), "button_release_event",
1097                          G_CALLBACK(vdtree_release_cb), vd);
1098
1099         vdtree_set_path(vd, path);
1100
1101         return vd;
1102 }
1103
1104 #if 0
1105 void vdtree_set_click_func(ViewDir *vd,
1106                            void (*func)(ViewDir *vd, GdkEventButton *event, FileData *fd, gpointer), gpointer data)
1107 {
1108         if (!td) return;
1109         vd->click_func = func;
1110         vd->click_data = data;
1111 }
1112 #endif
1113
1114