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
  28 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  29
  30
  31 #define VDTREE_INDENT 14
  32 #define VDTREE_PAD 4
  33
  34 enum {
  35         DIR_COLUMN_POINTER = 0,
  36         DIR_COLUMN_ICON,
  37         DIR_COLUMN_NAME,
  38         DIR_COLUMN_COLOR,
  39         DIR_COLUMN_COUNT
  40 };
  41
  42
  43 typedef struct _PathData PathData;
  44 struct _PathData
  45 {
  46         gchar *name;
  47         FileData *node;
  48 };
  49
  50 typedef struct _NodeData NodeData;
  51 struct _NodeData
  52 {
  53         FileData *fd;
  54         gint expanded;
  55         time_t last_update;
  56 };
  57
  58
  59 static gint vdtree_populate_path_by_iter(ViewDirTree *vdt, GtkTreeIter *iter, gint force, const gchar *target_path);
  60 static FileData *vdtree_populate_path(ViewDirTree *vdt, const gchar *path, gint expand, gint force);
  61
  62
  63 /*
  64  *----------------------------------------------------------------------------
  65  * utils
  66  *----------------------------------------------------------------------------
  67  */
  68
  69 static void set_cursor(GtkWidget *widget, GdkCursorType cursor_type)
  70 {
  71         GdkCursor *cursor = NULL;
  72
  73         if (!widget || !widget->window) return;
  74
  75         if (cursor_type > -1) cursor = gdk_cursor_new (cursor_type);
  76         gdk_window_set_cursor (widget->window, cursor);
  77         if (cursor) gdk_cursor_unref(cursor);
  78         gdk_flush();
  79 }
  80
  81 static void vdtree_busy_push(ViewDirTree *vdt)
  82 {
  83         if (vdt->busy_ref == 0) set_cursor(vdt->treeview, GDK_WATCH);
  84         vdt->busy_ref++;
  85 }
  86
  87 static void vdtree_busy_pop(ViewDirTree *vdt)
  88 {
  89         if (vdt->busy_ref == 1) set_cursor(vdt->treeview, -1);
  90         if (vdt->busy_ref > 0) vdt->busy_ref--;
  91 }
  92
  93 static gint vdtree_find_row(ViewDirTree *vdt, FileData *fd, GtkTreeIter *iter, GtkTreeIter *parent)
  94 {
  95         GtkTreeModel *store;
  96         gint valid;
  97
  98         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
  99         if (parent)
 100                 {
 101                 valid = gtk_tree_model_iter_children(store, iter, parent);
 102                 }
 103         else
 104                 {
 105                 valid = gtk_tree_model_get_iter_first(store, iter);
 106                 }
 107         while (valid)
 108                 {
 109                 NodeData *nd;
 110                 GtkTreeIter found;
 111
 112                 gtk_tree_model_get(GTK_TREE_MODEL(store), iter, DIR_COLUMN_POINTER, &nd, -1);
 113                 if (nd->fd == fd) return TRUE;
 114
 115                 if (vdtree_find_row(vdt, fd, &found, iter))
 116                         {
 117                         memcpy(iter, &found, sizeof(found));
 118                         return TRUE;
 119                         }
 120
 121                 valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(store), iter);
 122                 }
 123
 124         return FALSE;
 125 }
 126
 127 static void vdtree_icon_set_by_iter(ViewDirTree *vdt, GtkTreeIter *iter, GdkPixbuf *pixbuf)
 128 {
 129         GtkTreeModel *store;
 130         GdkPixbuf *old;
 131
 132         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 133         gtk_tree_model_get(store, iter, DIR_COLUMN_ICON, &old, -1);
 134         if (old != vdt->pf->deny)
 135                 {
 136                 gtk_tree_store_set(GTK_TREE_STORE(store), iter, DIR_COLUMN_ICON, pixbuf, -1);
 137                 }
 138 }
 139
 140 static void vdtree_expand_by_iter(ViewDirTree *vdt, GtkTreeIter *iter, gint expand)
 141 {
 142         GtkTreeModel *store;
 143         GtkTreePath *tpath;
 144
 145         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 146         tpath = gtk_tree_model_get_path(store, iter);
 147         if (expand)
 148                 {
 149                 gtk_tree_view_expand_row(GTK_TREE_VIEW(vdt->treeview), tpath, FALSE);
 150                 vdtree_icon_set_by_iter(vdt, iter, vdt->pf->open);
 151                 }
 152         else
 153                 {
 154                 gtk_tree_view_collapse_row(GTK_TREE_VIEW(vdt->treeview), tpath);
 155                 }
 156         gtk_tree_path_free(tpath);
 157 }
 158
 159 static void vdtree_expand_by_data(ViewDirTree *vdt, FileData *fd, gint expand)
 160 {
 161         GtkTreeIter iter;
 162
 163         if (vdtree_find_row(vdt, fd, &iter, NULL))
 164                 {
 165                 vdtree_expand_by_iter(vdt, &iter, expand);
 166                 }
 167 }
 168
 169 static void vdtree_color_set(ViewDirTree *vdt, FileData *fd, gint color_set)
 170 {
 171         GtkTreeModel *store;
 172         GtkTreeIter iter;
 173
 174         if (!vdtree_find_row(vdt, fd, &iter, NULL)) return;
 175         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 176         gtk_tree_store_set(GTK_TREE_STORE(store), &iter, DIR_COLUMN_COLOR, color_set, -1);
 177 }
 178
 179 static gint vdtree_rename_row_cb(TreeEditData *td, const gchar *old, const gchar *new, gpointer data)
 180 {
 181         ViewDirTree *vdt = data;
 182         GtkTreeModel *store;
 183         GtkTreeIter iter;
 184         NodeData *nd;
 185         gchar *old_path;
 186         gchar *new_path;
 187         gchar *base;
 188
 189         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 190         if (!gtk_tree_model_get_iter(store, &iter, td->path)) return FALSE;
 191         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 192         if (!nd) return FALSE;
 193
 194         old_path = g_strdup(nd->fd->path);
 195
 196         base = remove_level_from_path(old_path);
 197         new_path = concat_dir_and_file(base, new);
 198         g_free(base);
 199
 200         if (file_util_rename_dir(nd->fd, new_path, vdt->treeview))
 201                 {
 202                 vdtree_populate_path(vdt, new_path, TRUE, TRUE);
 203
 204                 if (vdt->layout && strcmp(vdt->path, old_path) == 0)
 205                         {
 206                         layout_set_path(vdt->layout, new_path);
 207                         }
 208                 }
 209
 210         g_free(old_path);
 211         g_free(new_path);
 212
 213         return FALSE;
 214 }
 215
 216 static void vdtree_rename_by_data(ViewDirTree *vdt, FileData *fd)
 217 {
 218         GtkTreeModel *store;
 219         GtkTreePath *tpath;
 220         GtkTreeIter iter;
 221
 222         if (!fd ||
 223             !vdtree_find_row(vdt, fd, &iter, NULL)) return;
 224
 225         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 226         tpath = gtk_tree_model_get_path(store, &iter);
 227
 228         tree_edit_by_path(GTK_TREE_VIEW(vdt->treeview), tpath, 0, fd->name,
 229                           vdtree_rename_row_cb, vdt);
 230         gtk_tree_path_free(tpath);
 231 }
 232
 233 static void vdtree_node_free(NodeData *nd)
 234 {
 235         if (!nd) return;
 236
 237         file_data_unref(nd->fd);
 238         g_free(nd);
 239 }
 240
 241 static void vdtree_popup_destroy_cb(GtkWidget *widget, gpointer data)
 242 {
 243         ViewDirTree *vdt = data;
 244
 245         vdtree_color_set(vdt, vdt->click_fd, FALSE);
 246         vdt->click_fd = NULL;
 247         vdt->popup = NULL;
 248
 249         vdtree_color_set(vdt, vdt->drop_fd, FALSE);
 250         filelist_free(vdt->drop_list);
 251         vdt->drop_list = NULL;
 252         vdt->drop_fd = NULL;
 253 }
 254
 255 /*
 256  *-----------------------------------------------------------------------------
 257  * drop menu (from dnd)
 258  *-----------------------------------------------------------------------------
 259  */
 260
 261 static void vdtree_drop_menu_copy_cb(GtkWidget *widget, gpointer data)
 262 {
 263         ViewDirTree *vdt = data;
 264         const gchar *path;
 265         GList *list;
 266
 267         if (!vdt->drop_fd) return;
 268
 269         path = vdt->drop_fd->path;
 270         list = vdt->drop_list;
 271
 272         vdt->drop_list = NULL;
 273
 274         file_util_copy_simple(list, path);
 275 }
 276
 277 static void vdtree_drop_menu_move_cb(GtkWidget *widget, gpointer data)
 278 {
 279         ViewDirTree *vdt = data;
 280         const gchar *path;
 281         GList *list;
 282
 283         if (!vdt->drop_fd) return;
 284
 285         path = vdt->drop_fd->path;
 286         list = vdt->drop_list;
 287
 288         vdt->drop_list = NULL;
 289
 290         file_util_move_simple(list, path);
 291 }
 292
 293 static GtkWidget *vdtree_drop_menu(ViewDirTree *vdt, gint active)
 294 {
 295         GtkWidget *menu;
 296
 297         menu = popup_menu_short_lived();
 298         g_signal_connect(G_OBJECT(menu), "destroy",
 299                          G_CALLBACK(vdtree_popup_destroy_cb), vdt);
 300
 301         menu_item_add_stock_sensitive(menu, _("_Copy"), GTK_STOCK_COPY, active,
 302                                       G_CALLBACK(vdtree_drop_menu_copy_cb), vdt);
 303         menu_item_add_sensitive(menu, _("_Move"), active, G_CALLBACK(vdtree_drop_menu_move_cb), vdt);
 304
 305         menu_item_add_divider(menu);
 306         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, NULL, vdt);
 307
 308         return menu;
 309 }
 310
 311 /*
 312  *-----------------------------------------------------------------------------
 313  * pop-up menu
 314  *-----------------------------------------------------------------------------
 315  */
 316
 317 static void vdtree_pop_menu_up_cb(GtkWidget *widget, gpointer data)
 318 {
 319         ViewDirTree *vdt = data;
 320         gchar *path;
 321
 322         if (!vdt->path || strcmp(vdt->path, "/") == 0) return;
 323         path = remove_level_from_path(vdt->path);
 324
 325         if (vdt->select_func)
 326                 {
 327                 vdt->select_func(vdt, path, vdt->select_data);
 328                 }
 329
 330         g_free(path);
 331 }
 332
 333 static void vdtree_pop_menu_slide_cb(GtkWidget *widget, gpointer data)
 334 {
 335         ViewDirTree *vdt = data;
 336         gchar *path;
 337
 338         if (!vdt->layout) return;
 339
 340         if (!vdt->click_fd) return;
 341         path = vdt->click_fd->path;
 342
 343         layout_set_path(vdt->layout, path);
 344         layout_select_none(vdt->layout);
 345         layout_image_slideshow_stop(vdt->layout);
 346         layout_image_slideshow_start(vdt->layout);
 347 }
 348
 349 static void vdtree_pop_menu_slide_rec_cb(GtkWidget *widget, gpointer data)
 350 {
 351         ViewDirTree *vdt = data;
 352         gchar *path;
 353         GList *list;
 354
 355         if (!vdt->layout) return;
 356
 357         if (!vdt->click_fd) return;
 358         path = vdt->click_fd->path;
 359
 360         list = filelist_recursive(path);
 361
 362         layout_image_slideshow_stop(vdt->layout);
 363         layout_image_slideshow_start_from_list(vdt->layout, list);
 364 }
 365
 366 static void vdtree_pop_menu_dupe(ViewDirTree *vdt, gint recursive)
 367 {
 368         DupeWindow *dw;
 369         GList *list = NULL;
 370
 371         if (!vdt->click_fd) return;
 372
 373         if (recursive)
 374                 {
 375                 list = g_list_append(list, file_data_ref(vdt->click_fd));
 376                 }
 377         else
 378                 {
 379                 filelist_read(vdt->click_fd->path, &list, NULL);
 380                 list = filelist_filter(list, FALSE);
 381                 }
 382
 383         dw = dupe_window_new(DUPE_MATCH_NAME);
 384         dupe_window_add_files(dw, list, recursive);
 385
 386         filelist_free(list);
 387 }
 388
 389 static void vdtree_pop_menu_dupe_cb(GtkWidget *widget, gpointer data)
 390 {
 391         ViewDirTree *vdt = data;
 392         vdtree_pop_menu_dupe(vdt, FALSE);
 393 }
 394
 395 static void vdtree_pop_menu_dupe_rec_cb(GtkWidget *widget, gpointer data)
 396 {
 397         ViewDirTree *vdt = data;
 398         vdtree_pop_menu_dupe(vdt, TRUE);
 399 }
 400
 401 static void vdtree_pop_menu_new_cb(GtkWidget *widget, gpointer data)
 402 {
 403         ViewDirTree *vdt = data;
 404         const gchar *path;
 405         gchar *new_path;
 406         gchar *buf;
 407
 408         if (!vdt->click_fd) return;
 409         path = vdt->click_fd->path;
 410
 411         buf = concat_dir_and_file(path, _("new_folder"));
 412         new_path = unique_filename(buf, NULL, NULL, FALSE);
 413         g_free(buf);
 414         if (!new_path) return;
 415
 416         if (!mkdir_utf8(new_path, 0755))
 417                 {
 418                 gchar *text;
 419
 420                 text = g_strdup_printf(_("Unable to create folder:\n%s"), new_path);
 421                 file_util_warning_dialog(_("Error creating folder"), text, GTK_STOCK_DIALOG_ERROR, vdt->treeview);
 422                 g_free(text);
 423                 }
 424         else
 425                 {
 426                 FileData *fd;
 427
 428                 fd = vdtree_populate_path(vdt, new_path, TRUE, TRUE);
 429
 430                 vdtree_rename_by_data(vdt, fd);
 431                 }
 432
 433         g_free(new_path);
 434 }
 435
 436 static void vdtree_pop_menu_rename_cb(GtkWidget *widget, gpointer data)
 437 {
 438         ViewDirTree *vdt = data;
 439
 440         vdtree_rename_by_data(vdt, vdt->click_fd);
 441 }
 442
 443 static void vdtree_pop_menu_delete_cb(GtkWidget *widget, gpointer data)
 444 {
 445         ViewDirTree *vdt = data;
 446
 447         if (!vdt->click_fd) return;
 448         file_util_delete_dir(vdt->click_fd, vdt->widget);
 449 }
 450
 451 static void vdtree_pop_menu_tree_cb(GtkWidget *widget, gpointer data)
 452 {
 453         ViewDirTree *vdt = data;
 454
 455         if (vdt->layout) layout_views_set(vdt->layout, FALSE, vdt->layout->icon_view);
 456 }
 457
 458 static void vdtree_pop_menu_refresh_cb(GtkWidget *widget, gpointer data)
 459 {
 460         ViewDirTree *vdt = data;
 461
 462         if (vdt->layout) layout_refresh(vdt->layout);
 463 }
 464
 465 static void vdtree_toggle_show_dot_files_cb(GtkWidget *widget, gpointer data)
 466 {
 467         ViewDirTree *vdt = data;
 468
 469         options->file_filter.show_dot_files = !options->file_filter.show_dot_files;
 470         if (vdt->layout) layout_refresh(vdt->layout);
 471 }
 472
 473 static GtkWidget *vdtree_pop_menu(ViewDirTree *vdt, FileData *fd)
 474 {
 475         GtkWidget *menu;
 476         gint active;
 477         gint parent_active = FALSE;
 478
 479         active = (fd != NULL);
 480         if (fd)
 481                 {
 482                 gchar *parent;
 483
 484                 parent = remove_level_from_path(fd->path);
 485                 parent_active = access_file(parent, W_OK | X_OK);
 486                 g_free(parent);
 487                 }
 488
 489         menu = popup_menu_short_lived();
 490         g_signal_connect(G_OBJECT(menu), "destroy",
 491                          G_CALLBACK(vdtree_popup_destroy_cb), vdt);
 492
 493         menu_item_add_stock_sensitive(menu, _("_Up to parent"), GTK_STOCK_GO_UP,
 494                                       (vdt->path && strcmp(vdt->path, "/") != 0),
 495                                       G_CALLBACK(vdtree_pop_menu_up_cb), vdt);
 496
 497         menu_item_add_divider(menu);
 498         menu_item_add_sensitive(menu, _("_Slideshow"), active,
 499                                 G_CALLBACK(vdtree_pop_menu_slide_cb), vdt);
 500         menu_item_add_sensitive(menu, _("Slideshow recursive"), active,
 501                                 G_CALLBACK(vdtree_pop_menu_slide_rec_cb), vdt);
 502
 503         menu_item_add_divider(menu);
 504         menu_item_add_stock_sensitive(menu, _("Find _duplicates..."), GTK_STOCK_FIND, active,
 505                                       G_CALLBACK(vdtree_pop_menu_dupe_cb), vdt);
 506         menu_item_add_stock_sensitive(menu, _("Find duplicates recursive..."), GTK_STOCK_FIND, active,
 507                                       G_CALLBACK(vdtree_pop_menu_dupe_rec_cb), vdt);
 508
 509         menu_item_add_divider(menu);
 510
 511         active = (fd &&
 512                   access_file(fd->path, W_OK | X_OK));
 513         menu_item_add_sensitive(menu, _("_New folder..."), active,
 514                                 G_CALLBACK(vdtree_pop_menu_new_cb), vdt);
 515
 516         menu_item_add_sensitive(menu, _("_Rename..."), parent_active,
 517                                 G_CALLBACK(vdtree_pop_menu_rename_cb), vdt);
 518         menu_item_add_stock_sensitive(menu, _("_Delete..."), GTK_STOCK_DELETE, parent_active,
 519                                       G_CALLBACK(vdtree_pop_menu_delete_cb), vdt);
 520
 521         menu_item_add_divider(menu);
 522         menu_item_add_check(menu, _("View as _tree"), TRUE,
 523                             G_CALLBACK(vdtree_pop_menu_tree_cb), vdt);
 524         menu_item_add_check(menu, _("Show _hidden files"), options->file_filter.show_dot_files,
 525                             G_CALLBACK(vdtree_toggle_show_dot_files_cb), vdt);
 526
 527         menu_item_add_stock(menu, _("Re_fresh"), GTK_STOCK_REFRESH,
 528                             G_CALLBACK(vdtree_pop_menu_refresh_cb), vdt);
 529
 530         return menu;
 531 }
 532
 533 /*
 534  *----------------------------------------------------------------------------
 535  * dnd
 536  *----------------------------------------------------------------------------
 537  */
 538
 539 static GtkTargetEntry vdtree_dnd_drop_types[] = {
 540         { "text/uri-list", 0, TARGET_URI_LIST }
 541 };
 542 static gint vdtree_dnd_drop_types_count = 1;
 543
 544
 545 static void vdtree_dest_set(ViewDirTree *vdt, gint enable)
 546 {
 547         if (enable)
 548                 {
 549                 gtk_drag_dest_set(vdt->treeview,
 550                                   GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
 551                                   vdtree_dnd_drop_types, vdtree_dnd_drop_types_count,
 552                                   GDK_ACTION_MOVE | GDK_ACTION_COPY);
 553                 }
 554         else
 555                 {
 556                 gtk_drag_dest_unset(vdt->treeview);
 557                 }
 558 }
 559
 560 static void vdtree_dnd_get(GtkWidget *widget, GdkDragContext *context,
 561                            GtkSelectionData *selection_data, guint info,
 562                            guint time, gpointer data)
 563 {
 564         ViewDirTree *vdt = data;
 565         GList *list;
 566         gchar *uri_text = NULL;
 567         gint length = 0;
 568
 569         if (!vdt->click_fd) return;
 570
 571         switch (info)
 572                 {
 573                 case TARGET_URI_LIST:
 574                 case TARGET_TEXT_PLAIN:
 575                         list = g_list_prepend(NULL, vdt->click_fd);
 576                         uri_text = uri_text_from_filelist(list, &length, (info == TARGET_TEXT_PLAIN));
 577                         g_list_free(list);
 578                         break;
 579                 }
 580
 581         if (uri_text)
 582                 {
 583                 gtk_selection_data_set(selection_data, selection_data->target,
 584                                        8, (guchar *)uri_text, length);
 585                 g_free(uri_text);
 586                 }
 587 }
 588
 589 static void vdtree_dnd_begin(GtkWidget *widget, GdkDragContext *context, gpointer data)
 590 {
 591         ViewDirTree *vdt = data;
 592
 593         vdtree_color_set(vdt, vdt->click_fd, TRUE);
 594         vdtree_dest_set(vdt, FALSE);
 595 }
 596
 597 static void vdtree_dnd_end(GtkWidget *widget, GdkDragContext *context, gpointer data)
 598 {
 599         ViewDirTree *vdt = data;
 600
 601         vdtree_color_set(vdt, vdt->click_fd, FALSE);
 602         vdtree_dest_set(vdt, TRUE);
 603 }
 604
 605 static void vdtree_dnd_drop_receive(GtkWidget *widget,
 606                                     GdkDragContext *context, gint x, gint y,
 607                                     GtkSelectionData *selection_data, guint info,
 608                                     guint time, gpointer data)
 609 {
 610         ViewDirTree *vdt = data;
 611         GtkTreePath *tpath;
 612         GtkTreeIter iter;
 613         FileData *fd = NULL;
 614
 615         vdt->click_fd = NULL;
 616
 617         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), x, y,
 618                                           &tpath, NULL, NULL, NULL))
 619                 {
 620                 GtkTreeModel *store;
 621                 NodeData *nd;
 622
 623                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 624                 gtk_tree_model_get_iter(store, &iter, tpath);
 625                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 626                 gtk_tree_path_free(tpath);
 627
 628                 fd = (nd) ? nd->fd : NULL;
 629                 }
 630
 631         if (!fd) return;
 632
 633         if (info == TARGET_URI_LIST)
 634                 {
 635                 GList *list;
 636                 gint active;
 637
 638                 list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
 639                 if (!list) return;
 640
 641                 active = access_file(fd->path, W_OK | X_OK);
 642
 643                 vdtree_color_set(vdt, fd, TRUE);
 644                 vdt->popup = vdtree_drop_menu(vdt, active);
 645                 gtk_menu_popup(GTK_MENU(vdt->popup), NULL, NULL, NULL, NULL, 0, time);
 646
 647                 vdt->drop_fd = fd;
 648                 vdt->drop_list = list;
 649                 }
 650 }
 651
 652 static gint vdtree_dnd_drop_expand_cb(gpointer data)
 653 {
 654         ViewDirTree *vdt = data;
 655         GtkTreeIter iter;
 656
 657         if (vdt->drop_fd &&
 658             vdtree_find_row(vdt, vdt->drop_fd, &iter, NULL))
 659                 {
 660                 vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path);
 661                 vdtree_expand_by_data(vdt, vdt->drop_fd, TRUE);
 662                 }
 663
 664         vdt->drop_expand_id = -1;
 665         return FALSE;
 666 }
 667
 668 static void vdtree_dnd_drop_expand_cancel(ViewDirTree *vdt)
 669 {
 670         if (vdt->drop_expand_id != -1) g_source_remove(vdt->drop_expand_id);
 671         vdt->drop_expand_id = -1;
 672 }
 673
 674 static void vdtree_dnd_drop_expand(ViewDirTree *vdt)
 675 {
 676         vdtree_dnd_drop_expand_cancel(vdt);
 677         vdt->drop_expand_id = g_timeout_add(1000, vdtree_dnd_drop_expand_cb, vdt);
 678 }
 679
 680 static void vdtree_drop_update(ViewDirTree *vdt, gint x, gint y)
 681 {
 682         GtkTreePath *tpath;
 683         GtkTreeIter iter;
 684         FileData *fd = NULL;
 685
 686         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(vdt->treeview), x, y,
 687                                           &tpath, NULL, NULL, NULL))
 688                 {
 689                 GtkTreeModel *store;
 690                 NodeData *nd;
 691
 692                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 693                 gtk_tree_model_get_iter(store, &iter, tpath);
 694                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 695                 gtk_tree_path_free(tpath);
 696
 697                 fd = (nd) ? nd->fd : NULL;
 698                 }
 699
 700         if (fd != vdt->drop_fd)
 701                 {
 702                 vdtree_color_set(vdt, vdt->drop_fd, FALSE);
 703                 vdtree_color_set(vdt, fd, TRUE);
 704                 if (fd) vdtree_dnd_drop_expand(vdt);
 705                 }
 706
 707         vdt->drop_fd = fd;
 708 }
 709
 710 static void vdtree_dnd_drop_scroll_cancel(ViewDirTree *vdt)
 711 {
 712         if (vdt->drop_scroll_id != -1) g_source_remove(vdt->drop_scroll_id);
 713         vdt->drop_scroll_id = -1;
 714 }
 715
 716 static gint vdtree_auto_scroll_idle_cb(gpointer data)
 717 {
 718         ViewDirTree *vdt = data;
 719
 720         if (vdt->drop_fd)
 721                 {
 722                 GdkWindow *window;
 723                 gint x, y;
 724                 gint w, h;
 725
 726                 window = vdt->treeview->window;
 727                 gdk_window_get_pointer(window, &x, &y, NULL);
 728                 gdk_drawable_get_size(window, &w, &h);
 729                 if (x >= 0 && x < w && y >= 0 && y < h)
 730                         {
 731                         vdtree_drop_update(vdt, x, y);
 732                         }
 733                 }
 734
 735         vdt->drop_scroll_id = -1;
 736         return FALSE;
 737 }
 738
 739 static gint vdtree_auto_scroll_notify_cb(GtkWidget *widget, gint x, gint y, gpointer data)
 740 {
 741         ViewDirTree *vdt = data;
 742
 743         if (!vdt->drop_fd || vdt->drop_list) return FALSE;
 744
 745         if (vdt->drop_scroll_id == -1) vdt->drop_scroll_id = g_idle_add(vdtree_auto_scroll_idle_cb, vdt);
 746
 747         return TRUE;
 748 }
 749
 750 static gint vdtree_dnd_drop_motion(GtkWidget *widget, GdkDragContext *context,
 751                                    gint x, gint y, guint time, gpointer data)
 752 {
 753         ViewDirTree *vdt = data;
 754
 755         vdt->click_fd = NULL;
 756
 757         if (gtk_drag_get_source_widget(context) == vdt->treeview)
 758                 {
 759                 gdk_drag_status(context, 0, time);
 760                 return TRUE;
 761                 }
 762         else
 763                 {
 764                 gdk_drag_status(context, context->suggested_action, time);
 765                 }
 766
 767         vdtree_drop_update(vdt, x, y);
 768
 769         if (vdt->drop_fd)
 770                 {
 771                 GtkAdjustment *adj = gtk_tree_view_get_vadjustment(GTK_TREE_VIEW(vdt->treeview));
 772                 widget_auto_scroll_start(vdt->treeview, adj, -1, -1, vdtree_auto_scroll_notify_cb, vdt);
 773                 }
 774
 775         return FALSE;
 776 }
 777
 778 static void vdtree_dnd_drop_leave(GtkWidget *widget, GdkDragContext *context, guint time, gpointer data)
 779 {
 780         ViewDirTree *vdt = data;
 781
 782         if (vdt->drop_fd != vdt->click_fd) vdtree_color_set(vdt, vdt->drop_fd, FALSE);
 783
 784         vdt->drop_fd = NULL;
 785
 786         vdtree_dnd_drop_expand_cancel(vdt);
 787 }
 788
 789 static void vdtree_dnd_init(ViewDirTree *vdt)
 790 {
 791         gtk_drag_source_set(vdt->treeview, GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
 792                             dnd_file_drag_types, dnd_file_drag_types_count,
 793                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_ASK);
 794         g_signal_connect(G_OBJECT(vdt->treeview), "drag_data_get",
 795                          G_CALLBACK(vdtree_dnd_get), vdt);
 796         g_signal_connect(G_OBJECT(vdt->treeview), "drag_begin",
 797                          G_CALLBACK(vdtree_dnd_begin), vdt);
 798         g_signal_connect(G_OBJECT(vdt->treeview), "drag_end",
 799                          G_CALLBACK(vdtree_dnd_end), vdt);
 800
 801         vdtree_dest_set(vdt, TRUE);
 802         g_signal_connect(G_OBJECT(vdt->treeview), "drag_data_received",
 803                          G_CALLBACK(vdtree_dnd_drop_receive), vdt);
 804         g_signal_connect(G_OBJECT(vdt->treeview), "drag_motion",
 805                          G_CALLBACK(vdtree_dnd_drop_motion), vdt);
 806         g_signal_connect(G_OBJECT(vdt->treeview), "drag_leave",
 807                          G_CALLBACK(vdtree_dnd_drop_leave), vdt);
 808 }
 809
 810 /*
 811  *----------------------------------------------------------------------------
 812  * parts lists
 813  *----------------------------------------------------------------------------
 814  */
 815
 816 static GList *parts_list(const gchar *path)
 817 {
 818         GList *list = NULL;
 819         const gchar *strb, *strp;
 820         gint l;
 821
 822         strp = path;
 823
 824         if (*strp != '/') return NULL;
 825
 826         strp++;
 827         strb = strp;
 828         l = 0;
 829
 830         while (*strp != '\0')
 831                 {
 832                 if (*strp == '/')
 833                         {
 834                         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 835                         strp++;
 836                         strb = strp;
 837                         l = 0;
 838                         }
 839                 else
 840                         {
 841                         strp++;
 842                         l++;
 843                         }
 844                 }
 845         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 846
 847         list = g_list_reverse(list);
 848
 849         list = g_list_prepend(list, g_strdup("/"));
 850
 851         return list;
 852 }
 853
 854 static void parts_list_free(GList *list)
 855 {
 856         GList *work = list;
 857         while (work)
 858                 {
 859                 PathData *pd = work->data;
 860                 g_free(pd->name);
 861                 g_free(pd);
 862                 work = work->next;
 863                 }
 864
 865         g_list_free(list);
 866 }
 867
 868 static GList *parts_list_add_node_points(ViewDirTree *vdt, GList *list)
 869 {
 870         GList *work;
 871         GtkTreeModel *store;
 872         GtkTreeIter iter;
 873         gint valid;
 874
 875         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 876         valid = gtk_tree_model_get_iter_first(store, &iter);
 877
 878         work = list;
 879         while (work)
 880                 {
 881                 PathData *pd;
 882                 FileData *fd = NULL;
 883
 884                 pd = g_new0(PathData, 1);
 885                 pd->name = work->data;
 886
 887                 while (valid && !fd)
 888                         {
 889                         NodeData *nd;
 890
 891                         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 892                         if (strcmp(nd->fd->name, pd->name) == 0)
 893                                 {
 894                                 fd = nd->fd;
 895                                 }
 896                         else
 897                                 {
 898                                 valid = gtk_tree_model_iter_next(store, &iter);
 899                                 }
 900                         }
 901
 902                 pd->node = fd;
 903                 work->data = pd;
 904
 905                 if (fd)
 906                         {
 907                         GtkTreeIter parent;
 908                         memcpy(&parent, &iter, sizeof(parent));
 909                         valid = gtk_tree_model_iter_children(store, &iter, &parent);
 910                         }
 911
 912                 work = work->next;
 913                 }
 914
 915         return list;
 916 }
 917
 918 /*
 919  *----------------------------------------------------------------------------
 920  * misc
 921  *----------------------------------------------------------------------------
 922  */
 923
 924 #if 0
 925 static void vdtree_row_deleted_cb(GtkTreeModel *tree_model, GtkTreePath *tpath, gpointer data)
 926 {
 927         GtkTreeIter iter;
 928         NodeData *nd;
 929
 930         gtk_tree_model_get_iter(tree_model, &iter, tpath);
 931         gtk_tree_model_get(tree_model, &iter, DIR_COLUMN_POINTER, &nd, -1);
 932
 933         if (!nd) return;
 934
 935         file_data_unref(nd->fd);
 936         g_free(nd);
 937 }
 938 #endif
 939
 940 /*
 941  *----------------------------------------------------------------------------
 942  * node traversal, management
 943  *----------------------------------------------------------------------------
 944  */
 945
 946 static gint vdtree_find_iter_by_data(ViewDirTree *vdt, GtkTreeIter *parent, NodeData *nd, GtkTreeIter *iter)
 947 {
 948         GtkTreeModel *store;
 949
 950         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 951         if (!nd || !gtk_tree_model_iter_children(store, iter, parent)) return -1;
 952         do      {
 953                 NodeData *cnd;
 954
 955                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &cnd, -1);
 956                 if (cnd == nd) return TRUE;
 957                 } while (gtk_tree_model_iter_next(store, iter));
 958
 959         return FALSE;
 960 }
 961
 962 static NodeData *vdtree_find_iter_by_name(ViewDirTree *vdt, GtkTreeIter *parent, const gchar *name, GtkTreeIter *iter)
 963 {
 964         GtkTreeModel *store;
 965
 966         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 967         if (!name || !gtk_tree_model_iter_children(store, iter, parent)) return NULL;
 968         do      {
 969                 NodeData *nd;
 970
 971                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 972                 if (nd && strcmp(nd->fd->name, name) == 0) return nd;
 973                 } while (gtk_tree_model_iter_next(store, iter));
 974
 975         return NULL;
 976 }
 977
 978 static void vdtree_add_by_data(ViewDirTree *vdt, FileData *fd, GtkTreeIter *parent)
 979 {
 980         GtkTreeStore *store;
 981         GtkTreeIter child;
 982         NodeData *nd;
 983         GdkPixbuf *pixbuf;
 984         NodeData *end;
 985         GtkTreeIter empty;
 986
 987         if (!fd) return;
 988
 989         if (access_file(fd->path, R_OK | X_OK))
 990                 {
 991                 pixbuf = vdt->pf->close;
 992                 }
 993         else
 994                 {
 995                 pixbuf = vdt->pf->deny;
 996                 }
 997
 998         nd = g_new0(NodeData, 1);
 999         nd->fd = fd;
1000         nd->expanded = FALSE;
1001         nd->last_update = time(NULL);
1002
1003         store = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview)));
1004         gtk_tree_store_append(store, &child, parent);
1005         gtk_tree_store_set(store, &child, DIR_COLUMN_POINTER, nd,
1006                                          DIR_COLUMN_ICON, pixbuf,
1007                                          DIR_COLUMN_NAME, nd->fd->name,
1008                                          DIR_COLUMN_COLOR, FALSE, -1);
1009
1010         /* all nodes are created with an "empty" node, so that the expander is shown
1011          * this is removed when the child is populated */
1012         end = g_new0(NodeData, 1);
1013         end->fd = file_data_new_simple("");
1014         end->expanded = TRUE;
1015
1016         gtk_tree_store_append(store, &empty, &child);
1017         gtk_tree_store_set(store, &empty, DIR_COLUMN_POINTER, end,
1018                                           DIR_COLUMN_NAME, "empty", -1);
1019
1020         if (parent)
1021                 {
1022                 NodeData *pnd;
1023                 GtkTreePath *tpath;
1024
1025                 gtk_tree_model_get(GTK_TREE_MODEL(store), parent, DIR_COLUMN_POINTER, &pnd, -1);
1026                 tpath = gtk_tree_model_get_path(GTK_TREE_MODEL(store), parent);
1027                 if (options->tree_descend_subdirs &&
1028                     gtk_tree_view_row_expanded(GTK_TREE_VIEW(vdt->treeview), tpath) &&
1029                     !nd->expanded)
1030                         {
1031                         vdtree_populate_path_by_iter(vdt, &child, FALSE, vdt->path);
1032                         }
1033                 gtk_tree_path_free(tpath);
1034                 }
1035 }
1036
1037 static gint vdtree_populate_path_by_iter(ViewDirTree *vdt, GtkTreeIter *iter, gint force, const gchar *target_path)
1038 {
1039         GtkTreeModel *store;
1040         GList *list;
1041         GList *work;
1042         GList *old;
1043         time_t current_time;
1044         GtkTreeIter child;
1045         NodeData *nd;
1046
1047         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1048         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
1049
1050         if (!nd) return FALSE;
1051
1052         current_time = time(NULL);
1053
1054         if (nd->expanded)
1055                 {
1056                 if (!force && current_time - nd->last_update < 10) return TRUE;
1057                 if (!isdir(nd->fd->path))
1058                         {
1059                         if (vdt->click_fd == nd->fd) vdt->click_fd = NULL;
1060                         if (vdt->drop_fd == nd->fd) vdt->drop_fd = NULL;
1061                         gtk_tree_store_remove(GTK_TREE_STORE(store), iter);
1062                         vdtree_node_free(nd);
1063                         return FALSE;
1064                         }
1065                 if (!force && filetime(nd->fd->path) == nd->fd->date) return TRUE;
1066                 }
1067
1068         vdtree_busy_push(vdt);
1069
1070         list = NULL;
1071         filelist_read(nd->fd->path, NULL, &list);
1072
1073         /* when hidden files are not enabled, and the user enters a hidden path,
1074          * allow the tree to display that path by specifically inserting the hidden entries
1075          */
1076         if (!options->file_filter.show_dot_files &&
1077             target_path &&
1078             strncmp(nd->fd->path, target_path, strlen(nd->fd->path)) == 0)
1079                 {
1080                 gint n;
1081
1082                 n = strlen(nd->fd->path);
1083                 if (target_path[n] == '/' && target_path[n+1] == '.')
1084                         {
1085                         gchar *name8;
1086                         struct stat sbuf;
1087
1088                         n++;
1089
1090                         while (target_path[n] != '\0' && target_path[n] != '/') n++;
1091                         name8 = g_strndup(target_path, n);
1092
1093                         if (stat_utf8(name8, &sbuf))
1094                                 {
1095                                 list = g_list_prepend(list, file_data_new_simple(name8));
1096                                 }
1097
1098                         g_free(name8);
1099                         }
1100                 }
1101
1102         old = NULL;
1103         if (gtk_tree_model_iter_children(store, &child, iter))
1104                 {
1105                 do      {
1106                         NodeData *cnd;
1107
1108                         gtk_tree_model_get(store, &child, DIR_COLUMN_POINTER, &cnd, -1);
1109                         old = g_list_prepend(old, cnd);
1110                         } while (gtk_tree_model_iter_next(store, &child));
1111                 }
1112
1113         work = list;
1114         while (work)
1115                 {
1116                 FileData *fd;
1117
1118                 fd = work->data;
1119                 work = work->next;
1120
1121                 if (strcmp(fd->name, ".") == 0 || strcmp(fd->name, "..") == 0)
1122                         {
1123                         file_data_unref(fd);
1124                         }
1125                 else
1126                         {
1127                         NodeData *cnd;
1128
1129                         cnd = vdtree_find_iter_by_name(vdt, iter, fd->name, &child);
1130                         if (cnd)
1131                                 {
1132                                 old = g_list_remove(old, cnd);
1133                                 if (cnd->expanded && cnd->fd->date != fd->date &&
1134                                     vdtree_populate_path_by_iter(vdt, &child, FALSE, target_path))
1135                                         {
1136                                         cnd->fd->size = fd->size;
1137                                         cnd->fd->date = fd->date;
1138                                         }
1139
1140                                 file_data_unref(fd);
1141                                 }
1142                         else
1143                                 {
1144                                 vdtree_add_by_data(vdt, fd, iter);
1145                                 }
1146                         }
1147                 }
1148
1149         work = old;
1150         while (work)
1151                 {
1152                 NodeData *cnd = work->data;
1153                 work = work->next;
1154
1155                 if (vdt->click_fd == cnd->fd) vdt->click_fd = NULL;
1156                 if (vdt->drop_fd == cnd->fd) vdt->drop_fd = NULL;
1157
1158                 if (vdtree_find_iter_by_data(vdt, iter, cnd, &child))
1159                         {
1160                         gtk_tree_store_remove(GTK_TREE_STORE(store), &child);
1161                         vdtree_node_free(cnd);
1162                         }
1163                 }
1164
1165         g_list_free(old);
1166         g_list_free(list);
1167
1168         vdtree_busy_pop(vdt);
1169
1170         nd->expanded = TRUE;
1171         nd->last_update = current_time;
1172
1173         return TRUE;
1174 }
1175
1176 static FileData *vdtree_populate_path(ViewDirTree *vdt, const gchar *path, gint expand, gint force)
1177 {
1178         GList *list;
1179         GList *work;
1180         FileData *fd = NULL;
1181
1182         if (!path) return NULL;
1183
1184         vdtree_busy_push(vdt);
1185
1186         list = parts_list(path);
1187         list = parts_list_add_node_points(vdt, list);
1188
1189         work = list;
1190         while (work)
1191                 {
1192                 PathData *pd = work->data;
1193                 if (pd->node == NULL)
1194                         {
1195                         PathData *parent_pd;
1196                         GtkTreeIter parent_iter;
1197                         GtkTreeIter iter;
1198                         NodeData *nd;
1199
1200                         if (work == list)
1201                                 {
1202                                 /* should not happen */
1203                                 printf("vdtree warning, root node not found\n");
1204                                 parts_list_free(list);
1205                                 vdtree_busy_pop(vdt);
1206                                 return NULL;
1207                                 }
1208
1209                         parent_pd = work->prev->data;
1210
1211                         if (!vdtree_find_row(vdt, parent_pd->node, &parent_iter, NULL) ||
1212                             !vdtree_populate_path_by_iter(vdt, &parent_iter, force, path) ||
1213                             (nd = vdtree_find_iter_by_name(vdt, &parent_iter, pd->name, &iter)) == NULL)
1214                                 {
1215                                 printf("vdtree warning, aborted at %s\n", parent_pd->name);
1216                                 parts_list_free(list);
1217                                 vdtree_busy_pop(vdt);
1218                                 return NULL;
1219                                 }
1220
1221                         pd->node = nd->fd;
1222
1223                         if (pd->node)
1224                                 {
1225                                 if (expand)
1226                                         {
1227                                         vdtree_expand_by_iter(vdt, &parent_iter, TRUE);
1228                                         vdtree_expand_by_iter(vdt, &iter, TRUE);
1229                                         }
1230                                 vdtree_populate_path_by_iter(vdt, &iter, force, path);
1231                                 }
1232                         }
1233                 else
1234                         {
1235                         GtkTreeIter iter;
1236
1237                         if (vdtree_find_row(vdt, pd->node, &iter, NULL))
1238                                 {
1239                                 if (expand) vdtree_expand_by_iter(vdt, &iter, TRUE);
1240                                 vdtree_populate_path_by_iter(vdt, &iter, force, path);
1241                                 }
1242                         }
1243
1244                 work = work->next;
1245                 }
1246
1247         work = g_list_last(list);
1248         if (work)
1249                 {
1250                 PathData *pd = work->data;
1251                 fd = pd->node;
1252                 }
1253         parts_list_free(list);
1254
1255         vdtree_busy_pop(vdt);
1256
1257         return fd;
1258 }
1259
1260 /*
1261  *----------------------------------------------------------------------------
1262  * access
1263  *----------------------------------------------------------------------------
1264  */
1265
1266 static gint selection_is_ok = FALSE;
1267
1268 static gboolean vdtree_select_cb(GtkTreeSelection *selection, GtkTreeModel *store, GtkTreePath *tpath,
1269                                  gboolean path_currently_selected, gpointer data)
1270 {
1271         return selection_is_ok;
1272 }
1273
1274 static void vdtree_select_row(ViewDirTree *vdt, FileData *fd)
1275 {
1276         GtkTreeSelection *selection;
1277         GtkTreeIter iter;
1278
1279         if (!vdtree_find_row(vdt, fd, &iter, NULL)) return;
1280         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vdt->treeview));
1281
1282         /* hack, such that selection is only allowed to be changed from here */
1283         selection_is_ok = TRUE;
1284         gtk_tree_selection_select_iter(selection, &iter);
1285         selection_is_ok = FALSE;
1286
1287         if (!vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path)) return;
1288
1289         vdtree_expand_by_iter(vdt, &iter, TRUE);
1290
1291         if (fd && vdt->select_func)
1292                 {
1293                 vdt->select_func(vdt, fd->path, vdt->select_data);
1294                 }
1295 }
1296
1297 gint vdtree_set_path(ViewDirTree *vdt, const gchar *path)
1298 {
1299         FileData *fd;
1300         GtkTreeIter iter;
1301
1302         if (!path) return FALSE;
1303         if (vdt->path && strcmp(path, vdt->path) == 0) return TRUE;
1304
1305         g_free(vdt->path);
1306         vdt->path = g_strdup(path);
1307
1308         fd = vdtree_populate_path(vdt, vdt->path, TRUE, FALSE);
1309
1310         if (!fd) return FALSE;
1311
1312         if (vdtree_find_row(vdt, fd, &iter, NULL))
1313                 {
1314                 GtkTreeModel *store;
1315                 GtkTreePath *tpath;
1316
1317                 tree_view_row_make_visible(GTK_TREE_VIEW(vdt->treeview), &iter, TRUE);
1318
1319                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1320                 tpath = gtk_tree_model_get_path(store, &iter);
1321                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(vdt->treeview), tpath, NULL, FALSE);
1322                 gtk_tree_path_free(tpath);
1323
1324                 vdtree_select_row(vdt, fd);
1325                 }
1326
1327         return TRUE;
1328 }
1329
1330 #if 0
1331 const gchar *vdtree_get_path(ViewDirTree *vdt)
1332 {
1333         return vdt->path;
1334 }
1335 #endif
1336
1337 void vdtree_refresh(ViewDirTree *vdt)
1338 {
1339         vdtree_populate_path(vdt, vdt->path, FALSE, TRUE);
1340 }
1341
1342 const gchar *vdtree_row_get_path(ViewDirTree *vdt, gint row)
1343 {
1344         printf("FIXME: no get row path\n");
1345         return NULL;
1346 }
1347
1348 /*
1349  *----------------------------------------------------------------------------
1350  * callbacks
1351  *----------------------------------------------------------------------------
1352  */
1353
1354 static void vdtree_menu_position_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
1355 {
1356         ViewDirTree *vdt = data;
1357         GtkTreeModel *store;
1358         GtkTreeIter iter;
1359         GtkTreePath *tpath;
1360         gint cw, ch;
1361
1362         if (vdtree_find_row(vdt, vdt->click_fd, &iter, NULL) < 0) return;
1363         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1364         tpath = gtk_tree_model_get_path(store, &iter);
1365         tree_view_get_cell_clamped(GTK_TREE_VIEW(vdt->treeview), tpath, 0, TRUE, x, y, &cw, &ch);
1366         gtk_tree_path_free(tpath);
1367         *y += ch;
1368         popup_menu_position_clamp(menu, x, y, 0);
1369 }
1370
1371 static gint vdtree_press_key_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1372 {
1373         ViewDirTree *vdt = data;
1374         GtkTreePath *tpath;
1375         GtkTreeIter iter;
1376         FileData *fd = NULL;
1377
1378         gtk_tree_view_get_cursor(GTK_TREE_VIEW(vdt->treeview), &tpath, NULL);
1379         if (tpath)
1380                 {
1381                 GtkTreeModel *store;
1382                 NodeData *nd;
1383
1384                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
1385                 gtk_tree_model_get_iter(store, &iter, tpath);
1386                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1387
1388                 gtk_tree_path_free(tpath);
1389
1390                 fd = (nd) ? nd->fd : NULL;
1391                 }
1392
1393         switch (event->keyval)
1394                 {
1395                 case GDK_Menu:
1396                         vdt->click_fd = fd;
1397                         vdtree_color_set(vdt, vdt->click_fd, TRUE);
1398
1399                         vdt->popup = vdtree_pop_menu(vdt, vdt->click_fd);
1400                         gtk_menu_popup(GTK_MENU(vdt->popup), NULL, NULL, vdtree_menu_position_cb, vdt, 0, GDK_CURRENT_TIME);
1401
1402                         return TRUE;
1403                         break;
1404                 case GDK_plus:
1405                 case GDK_Right:
1406                 case GDK_KP_Add:
1407                         if (fd)
1408                                 {
1409                                 vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path);
1410                                 vdtree_icon_set_by_iter(vdt, &iter, vdt->pf->open);
1411                                 }
1412                         break;
1413                 }
1414
1415         return FALSE;
1416 }
1417
1418 static gint vdtree_clicked_on_expander(GtkTreeView *treeview, GtkTreePath *tpath,
1419                                        GtkTreeViewColumn *column, gint x, gint y, gint *left_of_expander)
1420 {
1421         gint depth;
1422         gint size;
1423         gint sep;
1424         gint exp_width;
1425
1426         if (column != gtk_tree_view_get_expander_column(treeview)) return FALSE;
1427
1428         gtk_widget_style_get(GTK_WIDGET(treeview), "expander-size", &size, "horizontal-separator", &sep, NULL);
1429         depth = gtk_tree_path_get_depth(tpath);
1430
1431         exp_width = sep + size + sep;
1432
1433         if (x <= depth * exp_width)
1434                 {
1435                 if (left_of_expander) *left_of_expander = !(x >= (depth - 1) * exp_width);
1436                 return TRUE;
1437                 }
1438
1439         return FALSE;
1440 }
1441
1442 static gint vdtree_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1443 {
1444         ViewDirTree *vdt = data;
1445         GtkTreePath *tpath;
1446         GtkTreeViewColumn *column;
1447         GtkTreeIter iter;
1448         NodeData *nd = NULL;
1449
1450         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
1451                                           &tpath, &column, NULL, NULL))
1452                 {
1453                 GtkTreeModel *store;
1454                 gint left_of_expander;
1455
1456                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
1457                 gtk_tree_model_get_iter(store, &iter, tpath);
1458                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1459                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, NULL, FALSE);
1460
1461                 if (vdtree_clicked_on_expander(GTK_TREE_VIEW(widget), tpath, column, bevent->x, bevent->y, &left_of_expander))
1462                         {
1463                         vdt->click_fd = NULL;
1464
1465                         /* clicking this region should automatically reveal an expander, if necessary
1466                          * treeview bug: the expander will not expand until a button_motion_event highlights it.
1467                          */
1468                         if (bevent->button == 1 &&
1469                             !left_of_expander &&
1470                             !gtk_tree_view_row_expanded(GTK_TREE_VIEW(vdt->treeview), tpath))
1471                                 {
1472                                 vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path);
1473                                 vdtree_icon_set_by_iter(vdt, &iter, vdt->pf->open);
1474                                 }
1475
1476                         gtk_tree_path_free(tpath);
1477                         return FALSE;
1478                         }
1479
1480                 gtk_tree_path_free(tpath);
1481                 }
1482
1483         vdt->click_fd = (nd) ? nd->fd : NULL;
1484         vdtree_color_set(vdt, vdt->click_fd, TRUE);
1485
1486         if (bevent->button == 3)
1487                 {
1488                 vdt->popup = vdtree_pop_menu(vdt, vdt->click_fd);
1489                 gtk_menu_popup(GTK_MENU(vdt->popup), NULL, NULL, NULL, NULL,
1490                                bevent->button, bevent->time);
1491                 }
1492
1493         return (bevent->button != 1);
1494 }
1495
1496 static gint vdtree_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1497 {
1498         ViewDirTree *vdt = data;
1499         GtkTreePath *tpath;
1500         GtkTreeIter iter;
1501         NodeData *nd = NULL;
1502
1503         if (!vdt->click_fd) return FALSE;
1504         vdtree_color_set(vdt, vdt->click_fd, FALSE);
1505
1506         if (bevent->button != 1) return TRUE;
1507
1508         if ((bevent->x != 0 || bevent->y != 0) &&
1509             gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
1510                                           &tpath, NULL, NULL, NULL))
1511                 {
1512                 GtkTreeModel *store;
1513
1514                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
1515                 gtk_tree_model_get_iter(store, &iter, tpath);
1516                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1517                 gtk_tree_path_free(tpath);
1518                 }
1519
1520         if (nd && vdt->click_fd == nd->fd)
1521                 {
1522                 vdtree_select_row(vdt, vdt->click_fd);
1523                 }
1524
1525         return FALSE;
1526 }
1527
1528 static void vdtree_row_expanded(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
1529 {
1530         ViewDirTree *vdt = data;
1531
1532         vdtree_populate_path_by_iter(vdt, iter, FALSE, NULL);
1533         vdtree_icon_set_by_iter(vdt, iter, vdt->pf->open);
1534 }
1535
1536 static void vdtree_row_collapsed(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
1537 {
1538         ViewDirTree *vdt = data;
1539
1540         vdtree_icon_set_by_iter(vdt, iter, vdt->pf->close);
1541 }
1542
1543 static gint vdtree_sort_cb(GtkTreeModel *store, GtkTreeIter *a, GtkTreeIter *b, gpointer data)
1544 {
1545         NodeData *nda;
1546         NodeData *ndb;
1547
1548         gtk_tree_model_get(store, a, DIR_COLUMN_POINTER, &nda, -1);
1549         gtk_tree_model_get(store, b, DIR_COLUMN_POINTER, &ndb, -1);
1550
1551         return CASE_SORT(nda->fd->name, ndb->fd->name);
1552 }
1553
1554 /*
1555  *----------------------------------------------------------------------------
1556  * core
1557  *----------------------------------------------------------------------------
1558  */
1559
1560 static void vdtree_setup_root(ViewDirTree *vdt)
1561 {
1562         const gchar *path = "/";
1563         FileData *fd;
1564
1565
1566         fd = file_data_new_simple(path);
1567         vdtree_add_by_data(vdt, fd, NULL);
1568
1569         vdtree_expand_by_data(vdt, fd, TRUE);
1570         vdtree_populate_path(vdt, path, FALSE, FALSE);
1571 }
1572
1573 static void vdtree_activate_cb(GtkTreeView *tview, GtkTreePath *tpath, GtkTreeViewColumn *column, gpointer data)
1574 {
1575         ViewDirTree *vdt = data;
1576         GtkTreeModel *store;
1577         GtkTreeIter iter;
1578         NodeData *nd;
1579
1580         store = gtk_tree_view_get_model(tview);
1581         gtk_tree_model_get_iter(store, &iter, tpath);
1582         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1583
1584         vdtree_select_row(vdt, nd->fd);
1585 }
1586
1587 static GdkColor *vdtree_color_shifted(GtkWidget *widget)
1588 {
1589         static GdkColor color;
1590         static GtkWidget *done = NULL;
1591
1592         if (done != widget)
1593                 {
1594                 GtkStyle *style;
1595
1596                 style = gtk_widget_get_style(widget);
1597                 memcpy(&color, &style->base[GTK_STATE_NORMAL], sizeof(color));
1598                 shift_color(&color, -1, 0);
1599                 done = widget;
1600                 }
1601
1602         return &color;
1603 }
1604
1605 static void vdtree_color_cb(GtkTreeViewColumn *tree_column, GtkCellRenderer *cell,
1606                             GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
1607 {
1608         ViewDirTree *vdt = data;
1609         gboolean set;
1610
1611         gtk_tree_model_get(tree_model, iter, DIR_COLUMN_COLOR, &set, -1);
1612         g_object_set(G_OBJECT(cell),
1613                      "cell-background-gdk", vdtree_color_shifted(vdt->treeview),
1614                      "cell-background-set", set, NULL);
1615 }
1616
1617 static gboolean vdtree_destroy_node_cb(GtkTreeModel *store, GtkTreePath *tpath, GtkTreeIter *iter, gpointer data)
1618 {
1619         NodeData *nd;
1620
1621         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
1622         vdtree_node_free(nd);
1623
1624         return FALSE;
1625 }
1626
1627 static void vdtree_destroy_cb(GtkWidget *widget, gpointer data)
1628 {
1629         ViewDirTree *vdt = data;
1630         GtkTreeModel *store;
1631
1632         if (vdt->popup)
1633                 {
1634                 g_signal_handlers_disconnect_matched(G_OBJECT(vdt->popup), G_SIGNAL_MATCH_DATA,
1635                                                      0, 0, 0, NULL, vdt);
1636                 gtk_widget_destroy(vdt->popup);
1637                 }
1638
1639         vdtree_dnd_drop_expand_cancel(vdt);
1640         vdtree_dnd_drop_scroll_cancel(vdt);
1641         widget_auto_scroll_stop(vdt->treeview);
1642
1643         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1644         gtk_tree_model_foreach(store, vdtree_destroy_node_cb, vdt);
1645
1646         filelist_free(vdt->drop_list);
1647
1648         folder_icons_free(vdt->pf);
1649
1650         g_free(vdt->path);
1651         g_free(vdt);
1652 }
1653
1654 ViewDirTree *vdtree_new(const gchar *path, gint expand)
1655 {
1656         ViewDirTree *vdt;
1657         GtkTreeStore *store;
1658         GtkTreeSelection *selection;
1659         GtkTreeViewColumn *column;
1660         GtkCellRenderer *renderer;
1661
1662         vdt = g_new0(ViewDirTree, 1);
1663
1664         vdt->path = NULL;
1665         vdt->click_fd = NULL;
1666
1667         vdt->drop_fd = NULL;
1668         vdt->drop_list = NULL;
1669         vdt->drop_scroll_id = -1;
1670         vdt->drop_expand_id = -1;
1671
1672         vdt->popup = NULL;
1673
1674         vdt->busy_ref = 0;
1675
1676         vdt->widget = gtk_scrolled_window_new(NULL, NULL);
1677         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(vdt->widget), GTK_SHADOW_IN);
1678         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(vdt->widget),
1679                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
1680         g_signal_connect(G_OBJECT(vdt->widget), "destroy",
1681                          G_CALLBACK(vdtree_destroy_cb), vdt);
1682
1683         store = gtk_tree_store_new(4, G_TYPE_POINTER, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_INT);
1684         vdt->treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
1685         g_object_unref(store);
1686
1687         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(vdt->treeview), FALSE);
1688         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(vdt->treeview), FALSE);
1689         gtk_tree_sortable_set_default_sort_func(GTK_TREE_SORTABLE(store), vdtree_sort_cb, vdt, NULL);
1690         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
1691                                              GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, GTK_SORT_ASCENDING);
1692
1693         g_signal_connect(G_OBJECT(vdt->treeview), "row_activated",
1694                          G_CALLBACK(vdtree_activate_cb), vdt);
1695         g_signal_connect(G_OBJECT(vdt->treeview), "row_expanded",
1696                          G_CALLBACK(vdtree_row_expanded), vdt);
1697         g_signal_connect(G_OBJECT(vdt->treeview), "row_collapsed",
1698                          G_CALLBACK(vdtree_row_collapsed), vdt);
1699 #if 0
1700         g_signal_connect(G_OBJECT(store), "row_deleted",
1701                          G_CALLBACK(vdtree_row_deleted_cb), vdt);
1702 #endif
1703
1704         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vdt->treeview));
1705         gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);
1706         gtk_tree_selection_set_select_function(selection, vdtree_select_cb, vdt, NULL);
1707
1708         column = gtk_tree_view_column_new();
1709         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
1710
1711         renderer = gtk_cell_renderer_pixbuf_new();
1712         gtk_tree_view_column_pack_start(column, renderer, FALSE);
1713         gtk_tree_view_column_add_attribute(column, renderer, "pixbuf", DIR_COLUMN_ICON);
1714         gtk_tree_view_column_set_cell_data_func(column, renderer, vdtree_color_cb, vdt, NULL);
1715
1716         renderer = gtk_cell_renderer_text_new();
1717         gtk_tree_view_column_pack_start(column, renderer, TRUE);
1718         gtk_tree_view_column_add_attribute(column, renderer, "text", DIR_COLUMN_NAME);
1719         gtk_tree_view_column_set_cell_data_func(column, renderer, vdtree_color_cb, vdt, NULL);
1720
1721         gtk_tree_view_append_column(GTK_TREE_VIEW(vdt->treeview), column);
1722
1723         g_signal_connect(G_OBJECT(vdt->treeview), "key_press_event",
1724                          G_CALLBACK(vdtree_press_key_cb), vdt);
1725
1726         gtk_container_add(GTK_CONTAINER(vdt->widget), vdt->treeview);
1727         gtk_widget_show(vdt->treeview);
1728
1729         vdt->pf = folder_icons_new();
1730
1731         vdtree_setup_root(vdt);
1732
1733         vdtree_dnd_init(vdt);
1734
1735         g_signal_connect(G_OBJECT(vdt->treeview), "button_press_event",
1736                          G_CALLBACK(vdtree_press_cb), vdt);
1737         g_signal_connect(G_OBJECT(vdt->treeview), "button_release_event",
1738                          G_CALLBACK(vdtree_release_cb), vdt);
1739
1740         vdtree_set_path(vdt, path);
1741
1742         return vdt;
1743 }
1744
1745 void vdtree_set_select_func(ViewDirTree *vdt,
1746                             void (*func)(ViewDirTree *vdt, const gchar *path, gpointer data), gpointer data)
1747 {
1748         vdt->select_func = func;
1749         vdt->select_data = data;
1750 }
1751
1752 #if 0
1753 void vdtree_set_click_func(ViewDirTree *vdt,
1754                            void (*func)(ViewDirTree *vdt, GdkEventButton *event, FileData *fd, gpointer), gpointer data)
1755 {
1756         if (!td) return;
1757         vdt->click_func = func;
1758         vdt->click_data = data;
1759 }
1760 #endif
1761
1762 void vdtree_set_layout(ViewDirTree *vdt, LayoutWindow *layout)
1763 {
1764         vdt->layout = layout;
1765 }
1766