src/view_dir_tree.c

   1 /*
   2  * GQview
   3  * (C) 2004 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 "gqview.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(old_path, 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_free(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         path_list_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 = g_strdup(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         g_free(path);
 349 }
 350
 351 static void vdtree_pop_menu_slide_rec_cb(GtkWidget *widget, gpointer data)
 352 {
 353         ViewDirTree *vdt = data;
 354         gchar *path;
 355         GList *list;
 356
 357         if (!vdt->layout) return;
 358
 359         if (!vdt->click_fd) return;
 360         path = g_strdup(vdt->click_fd->path);
 361
 362         list = path_list_recursive(path);
 363
 364         layout_image_slideshow_stop(vdt->layout);
 365         layout_image_slideshow_start_from_list(vdt->layout, list);
 366
 367         g_free(path);
 368 }
 369
 370 static void vdtree_pop_menu_dupe(ViewDirTree *vdt, gint recursive)
 371 {
 372         DupeWindow *dw;
 373         const gchar *path;
 374         GList *list = NULL;
 375
 376         if (!vdt->click_fd) return;
 377         path = vdt->click_fd->path;
 378
 379         if (recursive)
 380                 {
 381                 list = g_list_append(list, g_strdup(path));
 382                 }
 383         else
 384                 {
 385                 path_list(path, &list, NULL);
 386                 list = path_list_filter(list, FALSE);
 387                 }
 388
 389         dw = dupe_window_new(DUPE_MATCH_NAME);
 390         dupe_window_add_files(dw, list, recursive);
 391
 392         path_list_free(list);
 393 }
 394
 395 static void vdtree_pop_menu_dupe_cb(GtkWidget *widget, gpointer data)
 396 {
 397         ViewDirTree *vdt = data;
 398         vdtree_pop_menu_dupe(vdt, FALSE);
 399 }
 400
 401 static void vdtree_pop_menu_dupe_rec_cb(GtkWidget *widget, gpointer data)
 402 {
 403         ViewDirTree *vdt = data;
 404         vdtree_pop_menu_dupe(vdt, TRUE);
 405 }
 406
 407 static void vdtree_pop_menu_new_cb(GtkWidget *widget, gpointer data)
 408 {
 409         ViewDirTree *vdt = data;
 410         const gchar *path;
 411         gchar *new_path;
 412         gchar *buf;
 413
 414         if (!vdt->click_fd) return;
 415         path = vdt->click_fd->path;
 416
 417         buf = concat_dir_and_file(path, _("new_folder"));
 418         new_path = unique_filename(buf, NULL, NULL, FALSE);
 419         g_free(buf);
 420         if (!new_path) return;
 421
 422         if (!mkdir_utf8(new_path, 0755))
 423                 {
 424                 gchar *text;
 425
 426                 text = g_strdup_printf(_("Unable to create folder:\n%s"), new_path);
 427                 file_util_warning_dialog(_("Error creating folder"), text, GTK_STOCK_DIALOG_ERROR, vdt->treeview);
 428                 g_free(text);
 429                 }
 430         else
 431                 {
 432                 FileData *fd;
 433
 434                 fd = vdtree_populate_path(vdt, new_path, TRUE, TRUE);
 435
 436                 vdtree_rename_by_data(vdt, fd);
 437                 }
 438
 439         g_free(new_path);
 440 }
 441
 442 static void vdtree_pop_menu_rename_cb(GtkWidget *widget, gpointer data)
 443 {
 444         ViewDirTree *vdt = data;
 445
 446         vdtree_rename_by_data(vdt, vdt->click_fd);
 447 }
 448
 449 static void vdtree_pop_menu_tree_cb(GtkWidget *widget, gpointer data)
 450 {
 451         ViewDirTree *vdt = data;
 452
 453         if (vdt->layout) layout_views_set(vdt->layout, FALSE, vdt->layout->icon_view);
 454 }
 455
 456 static void vdtree_pop_menu_refresh_cb(GtkWidget *widget, gpointer data)
 457 {
 458         ViewDirTree *vdt = data;
 459
 460         if (vdt->layout) layout_refresh(vdt->layout);
 461 }
 462
 463 static GtkWidget *vdtree_pop_menu(ViewDirTree *vdt, FileData *fd)
 464 {
 465         GtkWidget *menu;
 466         gint active;
 467
 468         active = (fd != NULL);
 469
 470         menu = popup_menu_short_lived();
 471         g_signal_connect(G_OBJECT(menu), "destroy",
 472                          G_CALLBACK(vdtree_popup_destroy_cb), vdt);
 473
 474         menu_item_add_stock_sensitive(menu, _("_Up to parent"), GTK_STOCK_GO_UP,
 475                                       (vdt->path && strcmp(vdt->path, "/") != 0),
 476                                       G_CALLBACK(vdtree_pop_menu_up_cb), vdt);
 477
 478         menu_item_add_divider(menu);
 479         menu_item_add_sensitive(menu, _("_Slideshow"), active,
 480                                 G_CALLBACK(vdtree_pop_menu_slide_cb), vdt);
 481         menu_item_add_sensitive(menu, _("Slideshow recursive"), active,
 482                                 G_CALLBACK(vdtree_pop_menu_slide_rec_cb), vdt);
 483
 484         menu_item_add_divider(menu);
 485         menu_item_add_stock_sensitive(menu, _("Find _duplicates..."), GTK_STOCK_FIND, active,
 486                                       G_CALLBACK(vdtree_pop_menu_dupe_cb), vdt);
 487         menu_item_add_stock_sensitive(menu, _("Find duplicates recursive..."), GTK_STOCK_FIND, active,
 488                                       G_CALLBACK(vdtree_pop_menu_dupe_rec_cb), vdt);
 489
 490         menu_item_add_divider(menu);
 491
 492         active = (fd &&
 493                   access_file(fd->path, W_OK | X_OK));
 494         menu_item_add_sensitive(menu, _("_New folder..."), active,
 495                                 G_CALLBACK(vdtree_pop_menu_new_cb), vdt);
 496
 497         menu_item_add_sensitive(menu, _("_Rename..."), active,
 498                                 G_CALLBACK(vdtree_pop_menu_rename_cb), vdt);
 499
 500         menu_item_add_divider(menu);
 501         menu_item_add_check(menu, _("View as _tree"), TRUE,
 502                             G_CALLBACK(vdtree_pop_menu_tree_cb), vdt);
 503         menu_item_add_stock(menu, _("Re_fresh"), GTK_STOCK_REFRESH,
 504                             G_CALLBACK(vdtree_pop_menu_refresh_cb), vdt);
 505
 506         return menu;
 507 }
 508
 509 /*
 510  *----------------------------------------------------------------------------
 511  * dnd
 512  *----------------------------------------------------------------------------
 513  */
 514
 515 static GtkTargetEntry vdtree_dnd_drop_types[] = {
 516         { "text/uri-list", 0, TARGET_URI_LIST }
 517 };
 518 static gint vdtree_dnd_drop_types_count = 1;
 519
 520
 521 static void vdtree_dest_set(ViewDirTree *vdt, gint enable)
 522 {
 523         if (enable)
 524                 {
 525                 gtk_drag_dest_set(vdt->treeview,
 526                                   GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
 527                                   vdtree_dnd_drop_types, vdtree_dnd_drop_types_count,
 528                                   GDK_ACTION_MOVE | GDK_ACTION_COPY);
 529                 }
 530         else
 531                 {
 532                 gtk_drag_dest_unset(vdt->treeview);
 533                 }
 534 }
 535
 536 static void vdtree_dnd_get(GtkWidget *widget, GdkDragContext *context,
 537                            GtkSelectionData *selection_data, guint info,
 538                            guint time, gpointer data)
 539 {
 540         ViewDirTree *vdt = data;
 541         gchar *path;
 542         GList *list;
 543         gchar *uri_text = NULL;
 544         gint length = 0;
 545
 546         if (!vdt->click_fd) return;
 547         path = vdt->click_fd->path;
 548
 549         switch (info)
 550                 {
 551                 case TARGET_URI_LIST:
 552                 case TARGET_TEXT_PLAIN:
 553                         list = g_list_prepend(NULL, path);
 554                         uri_text = uri_text_from_list(list, &length, (info == TARGET_TEXT_PLAIN));
 555                         g_list_free(list);
 556                         break;
 557                 }
 558
 559         if (uri_text)
 560                 {
 561                 gtk_selection_data_set(selection_data, selection_data->target,
 562                                        8, uri_text, length);
 563                 g_free(uri_text);
 564                 }
 565 }
 566
 567 static void vdtree_dnd_begin(GtkWidget *widget, GdkDragContext *context, gpointer data)
 568 {
 569         ViewDirTree *vdt = data;
 570
 571         vdtree_color_set(vdt, vdt->click_fd, TRUE);
 572         vdtree_dest_set(vdt, FALSE);
 573 }
 574
 575 static void vdtree_dnd_end(GtkWidget *widget, GdkDragContext *context, gpointer data)
 576 {
 577         ViewDirTree *vdt = data;
 578
 579         vdtree_color_set(vdt, vdt->click_fd, FALSE);
 580         vdtree_dest_set(vdt, TRUE);
 581 }
 582
 583 static void vdtree_dnd_drop_receive(GtkWidget *widget,
 584                                     GdkDragContext *context, gint x, gint y,
 585                                     GtkSelectionData *selection_data, guint info,
 586                                     guint time, gpointer data)
 587 {
 588         ViewDirTree *vdt = data;
 589         GtkTreePath *tpath;
 590         GtkTreeIter iter;
 591         FileData *fd = NULL;
 592
 593         vdt->click_fd = NULL;
 594
 595         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), x, y,
 596                                           &tpath, NULL, NULL, NULL))
 597                 {
 598                 GtkTreeModel *store;
 599                 NodeData *nd;
 600
 601                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 602                 gtk_tree_model_get_iter(store, &iter, tpath);
 603                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 604                 gtk_tree_path_free(tpath);
 605
 606                 fd = (nd) ? nd->fd : NULL;
 607                 }
 608
 609         if (!fd) return;
 610
 611         if (info == TARGET_URI_LIST)
 612                 {
 613                 GList *list;
 614                 gint active;
 615
 616                 list = uri_list_from_text(selection_data->data, TRUE);
 617                 if (!list) return;
 618
 619                 active = access_file(fd->path, W_OK | X_OK);
 620
 621                 vdtree_color_set(vdt, fd, TRUE);
 622                 vdt->popup = vdtree_drop_menu(vdt, active);
 623                 gtk_menu_popup(GTK_MENU(vdt->popup), NULL, NULL, NULL, NULL, 0, time);
 624
 625                 vdt->drop_fd = fd;
 626                 vdt->drop_list = list;
 627                 }
 628 }
 629
 630 static gint vdtree_dnd_drop_expand_cb(gpointer data)
 631 {
 632         ViewDirTree *vdt = data;
 633         GtkTreeIter iter;
 634
 635         if (vdt->drop_fd &&
 636             vdtree_find_row(vdt, vdt->drop_fd, &iter, NULL))
 637                 {
 638                 vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path);
 639                 vdtree_expand_by_data(vdt, vdt->drop_fd, TRUE);
 640                 }
 641
 642         vdt->drop_expand_id = -1;
 643         return FALSE;
 644 }
 645
 646 static void vdtree_dnd_drop_expand_cancel(ViewDirTree *vdt)
 647 {
 648         if (vdt->drop_expand_id != -1) g_source_remove(vdt->drop_expand_id);
 649         vdt->drop_expand_id = -1;
 650 }
 651
 652 static void vdtree_dnd_drop_expand(ViewDirTree *vdt)
 653 {
 654         vdtree_dnd_drop_expand_cancel(vdt);
 655         vdt->drop_expand_id = g_timeout_add(1000, vdtree_dnd_drop_expand_cb, vdt);
 656 }
 657
 658 static void vdtree_drop_update(ViewDirTree *vdt, gint x, gint y)
 659 {
 660         GtkTreePath *tpath;
 661         GtkTreeIter iter;
 662         FileData *fd = NULL;
 663
 664         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(vdt->treeview), x, y,
 665                                           &tpath, NULL, NULL, NULL))
 666                 {
 667                 GtkTreeModel *store;
 668                 NodeData *nd;
 669
 670                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 671                 gtk_tree_model_get_iter(store, &iter, tpath);
 672                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 673                 gtk_tree_path_free(tpath);
 674
 675                 fd = (nd) ? nd->fd : NULL;
 676                 }
 677
 678         if (fd != vdt->drop_fd)
 679                 {
 680                 vdtree_color_set(vdt, vdt->drop_fd, FALSE);
 681                 vdtree_color_set(vdt, fd, TRUE);
 682                 if (fd) vdtree_dnd_drop_expand(vdt);
 683                 }
 684
 685         vdt->drop_fd = fd;
 686 }
 687
 688 static void vdtree_dnd_drop_scroll_cancel(ViewDirTree *vdt)
 689 {
 690         if (vdt->drop_scroll_id != -1) g_source_remove(vdt->drop_scroll_id);
 691         vdt->drop_scroll_id = -1;
 692 }
 693
 694 static gint vdtree_auto_scroll_idle_cb(gpointer data)
 695 {
 696         ViewDirTree *vdt = data;
 697
 698         if (vdt->drop_fd)
 699                 {
 700                 GdkWindow *window;
 701                 gint x, y;
 702                 gint w, h;
 703
 704                 window = vdt->treeview->window;
 705                 gdk_window_get_pointer(window, &x, &y, NULL);
 706                 gdk_drawable_get_size(window, &w, &h);
 707                 if (x >= 0 && x < w && y >= 0 && y < h)
 708                         {
 709                         vdtree_drop_update(vdt, x, y);
 710                         }
 711                 }
 712
 713         vdt->drop_scroll_id = -1;
 714         return FALSE;
 715 }
 716
 717 static gint vdtree_auto_scroll_notify_cb(GtkWidget *widget, gint x, gint y, gpointer data)
 718 {
 719         ViewDirTree *vdt = data;
 720
 721         if (!vdt->drop_fd || vdt->drop_list) return FALSE;
 722
 723         if (vdt->drop_scroll_id == -1) vdt->drop_scroll_id = g_idle_add(vdtree_auto_scroll_idle_cb, vdt);
 724
 725         return TRUE;
 726 }
 727
 728 static gint vdtree_dnd_drop_motion(GtkWidget *widget, GdkDragContext *context,
 729                                    gint x, gint y, guint time, gpointer data)
 730 {
 731         ViewDirTree *vdt = data;
 732
 733         vdt->click_fd = NULL;
 734
 735         if (gtk_drag_get_source_widget(context) == vdt->treeview)
 736                 {
 737                 gdk_drag_status(context, 0, time);
 738                 return TRUE;
 739                 }
 740         else
 741                 {
 742                 gdk_drag_status(context, context->suggested_action, time);
 743                 }
 744
 745         vdtree_drop_update(vdt, x, y);
 746
 747         if (vdt->drop_fd)
 748                 {
 749                 GtkAdjustment *adj = gtk_tree_view_get_vadjustment(GTK_TREE_VIEW(vdt->treeview));
 750                 widget_auto_scroll_start(vdt->treeview, adj, -1, -1, vdtree_auto_scroll_notify_cb, vdt);
 751                 }
 752
 753         return FALSE;
 754 }
 755
 756 static void vdtree_dnd_drop_leave(GtkWidget *widget, GdkDragContext *context, guint time, gpointer data)
 757 {
 758         ViewDirTree *vdt = data;
 759
 760         if (vdt->drop_fd != vdt->click_fd) vdtree_color_set(vdt, vdt->drop_fd, FALSE);
 761
 762         vdt->drop_fd = NULL;
 763
 764         vdtree_dnd_drop_expand_cancel(vdt);
 765 }
 766
 767 static void vdtree_dnd_init(ViewDirTree *vdt)
 768 {
 769         gtk_drag_source_set(vdt->treeview, GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
 770                             dnd_file_drag_types, dnd_file_drag_types_count,
 771                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_ASK);
 772         g_signal_connect(G_OBJECT(vdt->treeview), "drag_data_get",
 773                          G_CALLBACK(vdtree_dnd_get), vdt);
 774         g_signal_connect(G_OBJECT(vdt->treeview), "drag_begin",
 775                          G_CALLBACK(vdtree_dnd_begin), vdt);
 776         g_signal_connect(G_OBJECT(vdt->treeview), "drag_end",
 777                          G_CALLBACK(vdtree_dnd_end), vdt);
 778
 779         vdtree_dest_set(vdt, TRUE);
 780         g_signal_connect(G_OBJECT(vdt->treeview), "drag_data_received",
 781                          G_CALLBACK(vdtree_dnd_drop_receive), vdt);
 782         g_signal_connect(G_OBJECT(vdt->treeview), "drag_motion",
 783                          G_CALLBACK(vdtree_dnd_drop_motion), vdt);
 784         g_signal_connect(G_OBJECT(vdt->treeview), "drag_leave",
 785                          G_CALLBACK(vdtree_dnd_drop_leave), vdt);
 786 }
 787
 788 /*
 789  *----------------------------------------------------------------------------
 790  * parts lists
 791  *----------------------------------------------------------------------------
 792  */
 793
 794 static GList *parts_list(const gchar *path)
 795 {
 796         GList *list = NULL;
 797         const gchar *strb, *strp;
 798         gint l;
 799
 800         strp = path;
 801
 802         if (*strp != '/') return NULL;
 803
 804         strp++;
 805         strb = strp;
 806         l = 0;
 807
 808         while (*strp != '\0')
 809                 {
 810                 if (*strp == '/')
 811                         {
 812                         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 813                         strp++;
 814                         strb = strp;
 815                         l = 0;
 816                         }
 817                 else
 818                         {
 819                         strp++;
 820                         l++;
 821                         }
 822                 }
 823         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 824
 825         list = g_list_reverse(list);
 826
 827         list = g_list_prepend(list, g_strdup("/"));
 828
 829         return list;
 830 }
 831
 832 static void parts_list_free(GList *list)
 833 {
 834         GList *work = list;
 835         while (work)
 836                 {
 837                 PathData *pd = work->data;
 838                 g_free(pd->name);
 839                 g_free(pd);
 840                 work = work->next;
 841                 }
 842
 843         g_list_free(list);
 844 }
 845
 846 static GList *parts_list_add_node_points(ViewDirTree *vdt, GList *list)
 847 {
 848         GList *work;
 849         GtkTreeModel *store;
 850         GtkTreeIter iter;
 851         gint valid;
 852
 853         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 854         valid = gtk_tree_model_get_iter_first(store, &iter);
 855
 856         work = list;
 857         while (work)
 858                 {
 859                 PathData *pd;
 860                 FileData *fd = NULL;
 861
 862                 pd = g_new0(PathData, 1);
 863                 pd->name = work->data;
 864
 865                 while (valid && !fd)
 866                         {
 867                         NodeData *nd;
 868
 869                         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 870                         if (strcmp(nd->fd->name, pd->name) == 0)
 871                                 {
 872                                 fd = nd->fd;
 873                                 }
 874                         else
 875                                 {
 876                                 valid = gtk_tree_model_iter_next(store, &iter);
 877                                 }
 878                         }
 879
 880                 pd->node = fd;
 881                 work->data = pd;
 882
 883                 if (fd)
 884                         {
 885                         GtkTreeIter parent;
 886                         memcpy(&parent, &iter, sizeof(parent));
 887                         valid = gtk_tree_model_iter_children(store, &iter, &parent);
 888                         }
 889
 890                 work = work->next;
 891                 }
 892
 893         return list;
 894 }
 895
 896 /*
 897  *----------------------------------------------------------------------------
 898  * misc
 899  *----------------------------------------------------------------------------
 900  */
 901
 902 #if 0
 903 static void vdtree_row_deleted_cb(GtkTreeModel *tree_model, GtkTreePath *tpath, gpointer data)
 904 {
 905         GtkTreeIter iter;
 906         NodeData *nd;
 907
 908         gtk_tree_model_get_iter(tree_model, &iter, tpath);
 909         gtk_tree_model_get(tree_model, &iter, DIR_COLUMN_POINTER, &nd, -1);
 910
 911         if (!nd) return;
 912
 913         file_data_free(nd->fd);
 914         g_free(nd);
 915 }
 916 #endif
 917
 918 /*
 919  *----------------------------------------------------------------------------
 920  * node traversal, management
 921  *----------------------------------------------------------------------------
 922  */
 923
 924 static gint vdtree_find_iter_by_data(ViewDirTree *vdt, GtkTreeIter *parent, NodeData *nd, GtkTreeIter *iter)
 925 {
 926         GtkTreeModel *store;
 927
 928         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 929         if (!nd || !gtk_tree_model_iter_children(store, iter, parent)) return -1;
 930         do      {
 931                 NodeData *cnd;
 932
 933                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &cnd, -1);
 934                 if (cnd == nd) return TRUE;
 935                 } while (gtk_tree_model_iter_next(store, iter));
 936
 937         return FALSE;
 938 }
 939
 940 static NodeData *vdtree_find_iter_by_name(ViewDirTree *vdt, GtkTreeIter *parent, const gchar *name, GtkTreeIter *iter)
 941 {
 942         GtkTreeModel *store;
 943
 944         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 945         if (!name || !gtk_tree_model_iter_children(store, iter, parent)) return NULL;
 946         do      {
 947                 NodeData *nd;
 948
 949                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 950                 if (nd && strcmp(nd->fd->name, name) == 0) return nd;
 951                 } while (gtk_tree_model_iter_next(store, iter));
 952
 953         return NULL;
 954 }
 955
 956 static void vdtree_add_by_data(ViewDirTree *vdt, FileData *fd, GtkTreeIter *parent)
 957 {
 958         GtkTreeStore *store;
 959         GtkTreeIter child;
 960         GList *list;
 961         NodeData *nd;
 962         GdkPixbuf *pixbuf;
 963         NodeData *end;
 964         GtkTreeIter empty;
 965
 966         if (!fd) return;
 967
 968         list = parts_list(fd->path);
 969         if (!list) return;
 970
 971         if (access_file(fd->path, R_OK | X_OK))
 972                 {
 973                 pixbuf = vdt->pf->close;
 974                 }
 975         else
 976                 {
 977                 pixbuf = vdt->pf->deny;
 978                 }
 979
 980         nd = g_new0(NodeData, 1);
 981         nd->fd = fd;
 982         nd->expanded = FALSE;
 983         nd->last_update = time(NULL);
 984
 985         store = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview)));
 986         gtk_tree_store_append(store, &child, parent);
 987         gtk_tree_store_set(store, &child, DIR_COLUMN_POINTER, nd,
 988                                          DIR_COLUMN_ICON, pixbuf,
 989                                          DIR_COLUMN_NAME, nd->fd->name,
 990                                          DIR_COLUMN_COLOR, FALSE, -1);
 991
 992         /* all nodes are created with an "empty" node, so that the expander is shown
 993          * this is removed when the child is populated */
 994         end = g_new0(NodeData, 1);
 995         end->fd = g_new0(FileData, 1);
 996         end->fd->path = g_strdup("");
 997         end->fd->name = end->fd->path;
 998         end->expanded = TRUE;
 999
1000         gtk_tree_store_append(store, &empty, &child);
1001         gtk_tree_store_set(store, &empty, DIR_COLUMN_POINTER, end,
1002                                           DIR_COLUMN_NAME, "empty", -1);
1003
1004         if (parent)
1005                 {
1006                 NodeData *pnd;
1007                 GtkTreePath *tpath;
1008
1009                 gtk_tree_model_get(GTK_TREE_MODEL(store), parent, DIR_COLUMN_POINTER, &pnd, -1);
1010                 tpath = gtk_tree_model_get_path(GTK_TREE_MODEL(store), parent);
1011                 if (tree_descend_subdirs &&
1012                     gtk_tree_view_row_expanded(GTK_TREE_VIEW(vdt->treeview), tpath) &&
1013                     !nd->expanded)
1014                         {
1015                         vdtree_populate_path_by_iter(vdt, &child, FALSE, vdt->path);
1016                         }
1017                 gtk_tree_path_free(tpath);
1018                 }
1019 }
1020
1021 static gint vdtree_populate_path_by_iter(ViewDirTree *vdt, GtkTreeIter *iter, gint force, const gchar *target_path)
1022 {
1023         GtkTreeModel *store;
1024         GList *list;
1025         GList *work;
1026         GList *old;
1027         time_t current_time;
1028         GtkTreeIter child;
1029         NodeData *nd;
1030
1031         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1032         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
1033
1034         if (!nd) return FALSE;
1035
1036         current_time = time(NULL);
1037
1038         if (nd->expanded)
1039                 {
1040                 if (!force && current_time - nd->last_update < 10) return TRUE;
1041                 if (!isdir(nd->fd->path))
1042                         {
1043                         if (vdt->click_fd == nd->fd) vdt->click_fd = NULL;
1044                         if (vdt->drop_fd == nd->fd) vdt->drop_fd = NULL;
1045                         gtk_tree_store_remove(GTK_TREE_STORE(store), iter);
1046                         vdtree_node_free(nd);
1047                         return FALSE;
1048                         }
1049                 if (!force && filetime(nd->fd->path) == nd->fd->date) return TRUE;
1050                 }
1051
1052         vdtree_busy_push(vdt);
1053
1054         list = NULL;
1055         filelist_read(nd->fd->path, NULL, &list);
1056
1057         /* when hidden files are not enabled, and the user enters a hidden path,
1058          * allow the tree to display that path by specifically inserting the hidden entries
1059          */
1060         if (!show_dot_files &&
1061             target_path &&
1062             strncmp(nd->fd->path, target_path, strlen(nd->fd->path)) == 0)
1063                 {
1064                 gint n;
1065
1066                 n = strlen(nd->fd->path);
1067                 if (target_path[n] == '/' && target_path[n+1] == '.')
1068                         {
1069                         gchar *name8;
1070                         gchar *namel;
1071                         struct stat sbuf;
1072
1073                         n++;
1074
1075                         while (target_path[n] != '\0' && target_path[n] != '/') n++;
1076                         name8 = g_strndup(target_path, n);
1077                         namel = path_from_utf8(name8);
1078
1079                         if (stat_utf8(name8, &sbuf))
1080                                 {
1081                                 list = g_list_prepend(list, file_data_new(namel, &sbuf));
1082                                 }
1083
1084                         g_free(namel);
1085                         g_free(name8);
1086                         }
1087                 }
1088
1089         old = NULL;
1090         if (gtk_tree_model_iter_children(store, &child, iter))
1091                 {
1092                 do      {
1093                         NodeData *cnd;
1094
1095                         gtk_tree_model_get(store, &child, DIR_COLUMN_POINTER, &cnd, -1);
1096                         old = g_list_prepend(old, cnd);
1097                         } while (gtk_tree_model_iter_next(store, &child));
1098                 }
1099
1100         work = list;
1101         while (work)
1102                 {
1103                 FileData *fd;
1104
1105                 fd = work->data;
1106                 work = work->next;
1107
1108                 if (strcmp(fd->name, ".") == 0 || strcmp(fd->name, "..") == 0)
1109                         {
1110                         file_data_free(fd);
1111                         }
1112                 else
1113                         {
1114                         NodeData *cnd;
1115
1116                         cnd = vdtree_find_iter_by_name(vdt, iter, fd->name, &child);
1117                         if (cnd)
1118                                 {
1119                                 old = g_list_remove(old, cnd);
1120                                 if (cnd->expanded && cnd->fd->date != fd->date &&
1121                                     vdtree_populate_path_by_iter(vdt, &child, FALSE, target_path))
1122                                         {
1123                                         cnd->fd->size = fd->size;
1124                                         cnd->fd->date = fd->date;
1125                                         }
1126
1127                                 file_data_free(fd);
1128                                 }
1129                         else
1130                                 {
1131                                 vdtree_add_by_data(vdt, fd, iter);
1132                                 }
1133                         }
1134                 }
1135
1136         work = old;
1137         while (work)
1138                 {
1139                 NodeData *cnd = work->data;
1140                 work = work->next;
1141
1142                 if (vdt->click_fd == cnd->fd) vdt->click_fd = NULL;
1143                 if (vdt->drop_fd == cnd->fd) vdt->drop_fd = NULL;
1144
1145                 if (vdtree_find_iter_by_data(vdt, iter, cnd, &child))
1146                         {
1147                         gtk_tree_store_remove(GTK_TREE_STORE(store), &child);
1148                         vdtree_node_free(cnd);
1149                         }
1150                 }
1151
1152         g_list_free(old);
1153         g_list_free(list);
1154
1155         vdtree_busy_pop(vdt);
1156
1157         nd->expanded = TRUE;
1158         nd->last_update = current_time;
1159
1160         return TRUE;
1161 }
1162
1163 static FileData *vdtree_populate_path(ViewDirTree *vdt, const gchar *path, gint expand, gint force)
1164 {
1165         GList *list;
1166         GList *work;
1167         FileData *fd = NULL;
1168
1169         if (!path) return NULL;
1170
1171         vdtree_busy_push(vdt);
1172
1173         list = parts_list(path);
1174         list = parts_list_add_node_points(vdt, list);
1175
1176         work = list;
1177         while (work)
1178                 {
1179                 PathData *pd = work->data;
1180                 if (pd->node == NULL)
1181                         {
1182                         PathData *parent_pd;
1183                         GtkTreeIter parent_iter;
1184                         GtkTreeIter iter;
1185                         NodeData *nd;
1186
1187                         if (work == list)
1188                                 {
1189                                 /* should not happen */
1190                                 printf("vdtree warning, root node not found\n");
1191                                 parts_list_free(list);
1192                                 vdtree_busy_pop(vdt);
1193                                 return NULL;
1194                                 }
1195
1196                         parent_pd = work->prev->data;
1197
1198                         if (!vdtree_find_row(vdt, parent_pd->node, &parent_iter, NULL) ||
1199                             !vdtree_populate_path_by_iter(vdt, &parent_iter, force, path) ||
1200                             (nd = vdtree_find_iter_by_name(vdt, &parent_iter, pd->name, &iter)) == NULL)
1201                                 {
1202                                 printf("vdtree warning, aborted at %s\n", parent_pd->name);
1203                                 parts_list_free(list);
1204                                 vdtree_busy_pop(vdt);
1205                                 return NULL;
1206                                 }
1207
1208                         pd->node = nd->fd;
1209
1210                         if (pd->node)
1211                                 {
1212                                 if (expand)
1213                                         {
1214                                         vdtree_expand_by_iter(vdt, &parent_iter, TRUE);
1215                                         vdtree_expand_by_iter(vdt, &iter, TRUE);
1216                                         }
1217                                 vdtree_populate_path_by_iter(vdt, &iter, force, path);
1218                                 }
1219                         }
1220                 else
1221                         {
1222                         GtkTreeIter iter;
1223
1224                         if (vdtree_find_row(vdt, pd->node, &iter, NULL))
1225                                 {
1226                                 if (expand) vdtree_expand_by_iter(vdt, &iter, TRUE);
1227                                 vdtree_populate_path_by_iter(vdt, &iter, force, path);
1228                                 }
1229                         }
1230
1231                 work = work->next;
1232                 }
1233
1234         work = g_list_last(list);
1235         if (work)
1236                 {
1237                 PathData *pd = work->data;
1238                 fd = pd->node;
1239                 }
1240         parts_list_free(list);
1241
1242         vdtree_busy_pop(vdt);
1243
1244         return fd;
1245 }
1246
1247 /*
1248  *----------------------------------------------------------------------------
1249  * access
1250  *----------------------------------------------------------------------------
1251  */
1252
1253 static gint selection_is_ok = FALSE;
1254
1255 static gboolean vdtree_select_cb(GtkTreeSelection *selection, GtkTreeModel *store, GtkTreePath *tpath,
1256                                  gboolean path_currently_selected, gpointer data)
1257 {
1258         return selection_is_ok;
1259 }
1260
1261 static void vdtree_select_row(ViewDirTree *vdt, FileData *fd)
1262 {
1263         GtkTreeSelection *selection;
1264         GtkTreeIter iter;
1265
1266         if (!vdtree_find_row(vdt, fd, &iter, NULL)) return;
1267         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vdt->treeview));
1268
1269         /* hack, such that selection is only allowed to be changed from here */
1270         selection_is_ok = TRUE;
1271         gtk_tree_selection_select_iter(selection, &iter);
1272         selection_is_ok = FALSE;
1273
1274         if (!vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path)) return;
1275
1276         vdtree_expand_by_iter(vdt, &iter, TRUE);
1277
1278         if (fd && vdt->select_func)
1279                 {
1280                 vdt->select_func(vdt, fd->path, vdt->select_data);
1281                 }
1282 }
1283
1284 gint vdtree_set_path(ViewDirTree *vdt, const gchar *path)
1285 {
1286         FileData *fd;
1287         GtkTreeIter iter;
1288
1289         if (!path) return FALSE;
1290         if (vdt->path && strcmp(path, vdt->path) == 0) return TRUE;
1291
1292         g_free(vdt->path);
1293         vdt->path = g_strdup(path);
1294
1295         fd = vdtree_populate_path(vdt, vdt->path, TRUE, FALSE);
1296
1297         if (!fd) return FALSE;
1298
1299         if (vdtree_find_row(vdt, fd, &iter, NULL))
1300                 {
1301                 GtkTreeModel *store;
1302                 GtkTreePath *tpath;
1303
1304                 tree_view_row_make_visible(GTK_TREE_VIEW(vdt->treeview), &iter, TRUE);
1305
1306                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1307                 tpath = gtk_tree_model_get_path(store, &iter);
1308                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(vdt->treeview), tpath, NULL, FALSE);
1309                 gtk_tree_path_free(tpath);
1310
1311                 vdtree_select_row(vdt, fd);
1312                 }
1313
1314         return TRUE;
1315 }
1316
1317 #if 0
1318 const gchar *vdtree_get_path(ViewDirTree *vdt)
1319 {
1320         return vdt->path;
1321 }
1322 #endif
1323
1324 void vdtree_refresh(ViewDirTree *vdt)
1325 {
1326         vdtree_populate_path(vdt, vdt->path, FALSE, TRUE);
1327 }
1328
1329 const gchar *vdtree_row_get_path(ViewDirTree *vdt, gint row)
1330 {
1331         printf("FIXME: no get row path\n");
1332         return NULL;
1333 }
1334
1335 /*
1336  *----------------------------------------------------------------------------
1337  * callbacks
1338  *----------------------------------------------------------------------------
1339  */
1340
1341 static void vdtree_menu_position_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
1342 {
1343         ViewDirTree *vdt = data;
1344         GtkTreeModel *store;
1345         GtkTreeIter iter;
1346         GtkTreePath *tpath;
1347         gint cw, ch;
1348
1349         if (vdtree_find_row(vdt, vdt->click_fd, &iter, NULL) < 0) return;
1350         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1351         tpath = gtk_tree_model_get_path(store, &iter);
1352         tree_view_get_cell_clamped(GTK_TREE_VIEW(vdt->treeview), tpath, 0, TRUE, x, y, &cw, &ch);
1353         gtk_tree_path_free(tpath);
1354         *y += ch;
1355         popup_menu_position_clamp(menu, x, y, 0);
1356 }
1357
1358 static gint vdtree_press_key_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1359 {
1360         ViewDirTree *vdt = data;
1361         GtkTreePath *tpath;
1362         GtkTreeIter iter;
1363         FileData *fd = NULL;
1364
1365         gtk_tree_view_get_cursor(GTK_TREE_VIEW(vdt->treeview), &tpath, NULL);
1366         if (tpath)
1367                 {
1368                 GtkTreeModel *store;
1369                 NodeData *nd;
1370
1371                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
1372                 gtk_tree_model_get_iter(store, &iter, tpath);
1373                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1374
1375                 gtk_tree_path_free(tpath);
1376
1377                 fd = (nd) ? nd->fd : NULL;
1378                 }
1379
1380         switch (event->keyval)
1381                 {
1382                 case GDK_Menu:
1383                         vdt->click_fd = fd;
1384                         vdtree_color_set(vdt, vdt->click_fd, TRUE);
1385
1386                         vdt->popup = vdtree_pop_menu(vdt, vdt->click_fd);
1387                         gtk_menu_popup(GTK_MENU(vdt->popup), NULL, NULL, vdtree_menu_position_cb, vdt, 0, GDK_CURRENT_TIME);
1388
1389                         return TRUE;
1390                         break;
1391                 case GDK_plus:
1392                 case GDK_Right:
1393                 case GDK_KP_Add:
1394                         if (fd)
1395                                 {
1396                                 vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path);
1397                                 vdtree_icon_set_by_iter(vdt, &iter, vdt->pf->open);
1398                                 }
1399                         break;
1400                 }
1401
1402         return FALSE;
1403 }
1404
1405 static gint vdtree_clicked_on_expander(GtkTreeView *treeview, GtkTreePath *tpath,
1406                                        GtkTreeViewColumn *column, gint x, gint y, gint *left_of_expander)
1407 {
1408         gint depth;
1409         gint size;
1410         gint sep;
1411         gint exp_width;
1412
1413         if (column != gtk_tree_view_get_expander_column(treeview)) return FALSE;
1414
1415         gtk_widget_style_get(GTK_WIDGET(treeview), "expander-size", &size, "horizontal-separator", &sep, NULL);
1416         depth = gtk_tree_path_get_depth(tpath);
1417
1418         exp_width = sep + size + sep;
1419
1420         if (x <= depth * exp_width)
1421                 {
1422                 if (left_of_expander) *left_of_expander = !(x >= (depth - 1) * exp_width);
1423                 return TRUE;
1424                 }
1425
1426         return FALSE;
1427 }
1428
1429 static gint vdtree_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1430 {
1431         ViewDirTree *vdt = data;
1432         GtkTreePath *tpath;
1433         GtkTreeViewColumn *column;
1434         GtkTreeIter iter;
1435         NodeData *nd = NULL;
1436
1437         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
1438                                           &tpath, &column, NULL, NULL))
1439                 {
1440                 GtkTreeModel *store;
1441                 gint left_of_expander;
1442
1443                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
1444                 gtk_tree_model_get_iter(store, &iter, tpath);
1445                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1446                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, NULL, FALSE);
1447
1448                 if (vdtree_clicked_on_expander(GTK_TREE_VIEW(widget), tpath, column, bevent->x, bevent->y, &left_of_expander))
1449                         {
1450                         vdt->click_fd = NULL;
1451
1452                         /* clicking this region should automatically reveal an expander, if necessary
1453                          * treeview bug: the expander will not expand until a button_motion_event highlights it.
1454                          */
1455                         if (bevent->button == 1 &&
1456                             !left_of_expander &&
1457                             !gtk_tree_view_row_expanded(GTK_TREE_VIEW(vdt->treeview), tpath))
1458                                 {
1459                                 vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path);
1460                                 vdtree_icon_set_by_iter(vdt, &iter, vdt->pf->open);
1461                                 }
1462
1463                         gtk_tree_path_free(tpath);
1464                         return FALSE;
1465                         }
1466
1467                 gtk_tree_path_free(tpath);
1468                 }
1469
1470         vdt->click_fd = (nd) ? nd->fd : NULL;
1471         vdtree_color_set(vdt, vdt->click_fd, TRUE);
1472
1473         if (bevent->button == 3)
1474                 {
1475                 vdt->popup = vdtree_pop_menu(vdt, vdt->click_fd);
1476                 gtk_menu_popup(GTK_MENU(vdt->popup), NULL, NULL, NULL, NULL,
1477                                bevent->button, bevent->time);
1478                 }
1479
1480         return (bevent->button != 1);
1481 }
1482
1483 static gint vdtree_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1484 {
1485         ViewDirTree *vdt = data;
1486         GtkTreePath *tpath;
1487         GtkTreeIter iter;
1488         NodeData *nd = NULL;
1489
1490         if (!vdt->click_fd) return FALSE;
1491         vdtree_color_set(vdt, vdt->click_fd, FALSE);
1492
1493         if (bevent->button != 1) return TRUE;
1494
1495         if ((bevent->x != 0 || bevent->y != 0) &&
1496             gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
1497                                           &tpath, NULL, NULL, NULL))
1498                 {
1499                 GtkTreeModel *store;
1500
1501                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
1502                 gtk_tree_model_get_iter(store, &iter, tpath);
1503                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1504                 gtk_tree_path_free(tpath);
1505                 }
1506
1507         if (nd && vdt->click_fd == nd->fd)
1508                 {
1509                 vdtree_select_row(vdt, vdt->click_fd);
1510                 }
1511
1512         return FALSE;
1513 }
1514
1515 static void vdtree_row_expanded(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
1516 {
1517         ViewDirTree *vdt = data;
1518
1519         vdtree_populate_path_by_iter(vdt, iter, FALSE, NULL);
1520         vdtree_icon_set_by_iter(vdt, iter, vdt->pf->open);
1521 }
1522
1523 static void vdtree_row_collapsed(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
1524 {
1525         ViewDirTree *vdt = data;
1526
1527         vdtree_icon_set_by_iter(vdt, iter, vdt->pf->close);
1528 }
1529
1530 static gint vdtree_sort_cb(GtkTreeModel *store, GtkTreeIter *a, GtkTreeIter *b, gpointer data)
1531 {
1532         NodeData *nda;
1533         NodeData *ndb;
1534
1535         gtk_tree_model_get(store, a, DIR_COLUMN_POINTER, &nda, -1);
1536         gtk_tree_model_get(store, b, DIR_COLUMN_POINTER, &ndb, -1);
1537
1538         return CASE_SORT(nda->fd->name, ndb->fd->name);
1539 }
1540
1541 /*
1542  *----------------------------------------------------------------------------
1543  * core
1544  *----------------------------------------------------------------------------
1545  */
1546
1547 static void vdtree_setup_root(ViewDirTree *vdt)
1548 {
1549         const gchar *path = "/";
1550         FileData *fd;
1551
1552         fd = g_new0(FileData, 1);
1553         fd->path = g_strdup(path);
1554         fd->name = fd->path;
1555         fd->size = 0;
1556         fd->date = filetime(path);
1557         vdtree_add_by_data(vdt, fd, NULL);
1558
1559         vdtree_expand_by_data(vdt, fd, TRUE);
1560         vdtree_populate_path(vdt, path, FALSE, FALSE);
1561 }
1562
1563 static void vdtree_activate_cb(GtkTreeView *tview, GtkTreePath *tpath, GtkTreeViewColumn *column, gpointer data)
1564 {
1565         ViewDirTree *vdt = data;
1566         GtkTreeModel *store;
1567         GtkTreeIter iter;
1568         NodeData *nd;
1569
1570         store = gtk_tree_view_get_model(tview);
1571         gtk_tree_model_get_iter(store, &iter, tpath);
1572         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1573
1574         vdtree_select_row(vdt, nd->fd);
1575 }
1576
1577 static GdkColor *vdtree_color_shifted(GtkWidget *widget)
1578 {
1579         static GdkColor color;
1580         static GtkWidget *done = NULL;
1581
1582         if (done != widget)
1583                 {
1584                 GtkStyle *style;
1585
1586                 style = gtk_widget_get_style(widget);
1587                 memcpy(&color, &style->base[GTK_STATE_NORMAL], sizeof(color));
1588                 shift_color(&color, -1, 0);
1589                 done = widget;
1590                 }
1591
1592         return &color;
1593 }
1594
1595 static void vdtree_color_cb(GtkTreeViewColumn *tree_column, GtkCellRenderer *cell,
1596                             GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
1597 {
1598         ViewDirTree *vdt = data;
1599         gboolean set;
1600
1601         gtk_tree_model_get(tree_model, iter, DIR_COLUMN_COLOR, &set, -1);
1602         g_object_set(G_OBJECT(cell),
1603                      "cell-background-gdk", vdtree_color_shifted(vdt->treeview),
1604                      "cell-background-set", set, NULL);
1605 }
1606
1607 static gboolean vdtree_destroy_node_cb(GtkTreeModel *store, GtkTreePath *tpath, GtkTreeIter *iter, gpointer data)
1608 {
1609         NodeData *nd;
1610
1611         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
1612         vdtree_node_free(nd);
1613
1614         return FALSE;
1615 }
1616
1617 static void vdtree_destroy_cb(GtkWidget *widget, gpointer data)
1618 {
1619         ViewDirTree *vdt = data;
1620         GtkTreeModel *store;
1621
1622         if (vdt->popup)
1623                 {
1624                 g_signal_handlers_disconnect_matched(G_OBJECT(vdt->popup), G_SIGNAL_MATCH_DATA,
1625                                                      0, 0, 0, NULL, vdt);
1626                 gtk_widget_destroy(vdt->popup);
1627                 }
1628
1629         vdtree_dnd_drop_expand_cancel(vdt);
1630         vdtree_dnd_drop_scroll_cancel(vdt);
1631         widget_auto_scroll_stop(vdt->treeview);
1632
1633         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1634         gtk_tree_model_foreach(store, vdtree_destroy_node_cb, vdt);
1635
1636         path_list_free(vdt->drop_list);
1637
1638         folder_icons_free(vdt->pf);
1639
1640         g_free(vdt->path);
1641         g_free(vdt);
1642 }
1643
1644 ViewDirTree *vdtree_new(const gchar *path, gint expand)
1645 {
1646         ViewDirTree *vdt;
1647         GtkTreeStore *store;
1648         GtkTreeSelection *selection;
1649         GtkTreeViewColumn *column;
1650         GtkCellRenderer *renderer;
1651
1652         vdt = g_new0(ViewDirTree, 1);
1653
1654         vdt->path = NULL;
1655         vdt->click_fd = NULL;
1656
1657         vdt->drop_fd = NULL;
1658         vdt->drop_list = NULL;
1659         vdt->drop_scroll_id = -1;
1660         vdt->drop_expand_id = -1;
1661
1662         vdt->popup = NULL;
1663
1664         vdt->busy_ref = 0;
1665
1666         vdt->widget = gtk_scrolled_window_new(NULL, NULL);
1667         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(vdt->widget), GTK_SHADOW_IN);
1668         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(vdt->widget),
1669                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
1670         g_signal_connect(G_OBJECT(vdt->widget), "destroy",
1671                          G_CALLBACK(vdtree_destroy_cb), vdt);
1672
1673         store = gtk_tree_store_new(4, G_TYPE_POINTER, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_INT);
1674         vdt->treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
1675         g_object_unref(store);
1676
1677         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(vdt->treeview), FALSE);
1678         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(vdt->treeview), FALSE);
1679         gtk_tree_sortable_set_default_sort_func(GTK_TREE_SORTABLE(store), vdtree_sort_cb, vdt, NULL);
1680         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
1681                                              GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, GTK_SORT_ASCENDING);
1682
1683         g_signal_connect(G_OBJECT(vdt->treeview), "row_activated",
1684                          G_CALLBACK(vdtree_activate_cb), vdt);
1685         g_signal_connect(G_OBJECT(vdt->treeview), "row_expanded",
1686                          G_CALLBACK(vdtree_row_expanded), vdt);
1687         g_signal_connect(G_OBJECT(vdt->treeview), "row_collapsed",
1688                          G_CALLBACK(vdtree_row_collapsed), vdt);
1689 #if 0
1690         g_signal_connect(G_OBJECT(store), "row_deleted",
1691                          G_CALLBACK(vdtree_row_deleted_cb), vdt);
1692 #endif
1693
1694         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vdt->treeview));
1695         gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);
1696         gtk_tree_selection_set_select_function(selection, vdtree_select_cb, vdt, NULL);
1697
1698         column = gtk_tree_view_column_new();
1699         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
1700
1701         renderer = gtk_cell_renderer_pixbuf_new();
1702         gtk_tree_view_column_pack_start(column, renderer, FALSE);
1703         gtk_tree_view_column_add_attribute(column, renderer, "pixbuf", DIR_COLUMN_ICON);
1704         gtk_tree_view_column_set_cell_data_func(column, renderer, vdtree_color_cb, vdt, NULL);
1705
1706         renderer = gtk_cell_renderer_text_new();
1707         gtk_tree_view_column_pack_start(column, renderer, TRUE);
1708         gtk_tree_view_column_add_attribute(column, renderer, "text", DIR_COLUMN_NAME);
1709         gtk_tree_view_column_set_cell_data_func(column, renderer, vdtree_color_cb, vdt, NULL);
1710
1711         gtk_tree_view_append_column(GTK_TREE_VIEW(vdt->treeview), column);
1712
1713         g_signal_connect(G_OBJECT(vdt->treeview), "key_press_event",
1714                          G_CALLBACK(vdtree_press_key_cb), vdt);
1715
1716         gtk_container_add(GTK_CONTAINER(vdt->widget), vdt->treeview);
1717         gtk_widget_show(vdt->treeview);
1718
1719         vdt->pf = folder_icons_new();
1720
1721         vdtree_setup_root(vdt);
1722
1723         vdtree_dnd_init(vdt);
1724
1725         g_signal_connect(G_OBJECT(vdt->treeview), "button_press_event",
1726                          G_CALLBACK(vdtree_press_cb), vdt);
1727         g_signal_connect(G_OBJECT(vdt->treeview), "button_release_event",
1728                          G_CALLBACK(vdtree_release_cb), vdt);
1729
1730         vdtree_set_path(vdt, path);
1731
1732         return vdt;
1733 }
1734
1735 void vdtree_set_select_func(ViewDirTree *vdt,
1736                             void (*func)(ViewDirTree *vdt, const gchar *path, gpointer data), gpointer data)
1737 {
1738         vdt->select_func = func;
1739         vdt->select_data = data;
1740 }
1741
1742 #if 0
1743 void vdtree_set_click_func(ViewDirTree *vdt,
1744                            void (*func)(ViewDirTree *vdt, GdkEventButton *event, FileData *fd, gpointer), gpointer data)
1745 {
1746         if (!td) return;
1747         vdt->click_func = func;
1748         vdt->click_data = data;
1749 }
1750 #endif
1751
1752 void vdtree_set_layout(ViewDirTree *vdt, LayoutWindow *layout)
1753 {
1754         vdt->layout = layout;
1755 }
1756