src/view_dir_tree.c

   1 /*
   2  * GQview
   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 "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(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 GtkWidget *vdtree_pop_menu(ViewDirTree *vdt, FileData *fd)
 466 {
 467         GtkWidget *menu;
 468         gint active;
 469         gint parent_active = FALSE;
 470
 471         active = (fd != NULL);
 472         if (fd)
 473                 {
 474                 gchar *parent;
 475
 476                 parent = remove_level_from_path(fd->path);
 477                 parent_active = access_file(parent, W_OK | X_OK);
 478                 g_free(parent);
 479                 }
 480
 481         menu = popup_menu_short_lived();
 482         g_signal_connect(G_OBJECT(menu), "destroy",
 483                          G_CALLBACK(vdtree_popup_destroy_cb), vdt);
 484
 485         menu_item_add_stock_sensitive(menu, _("_Up to parent"), GTK_STOCK_GO_UP,
 486                                       (vdt->path && strcmp(vdt->path, "/") != 0),
 487                                       G_CALLBACK(vdtree_pop_menu_up_cb), vdt);
 488
 489         menu_item_add_divider(menu);
 490         menu_item_add_sensitive(menu, _("_Slideshow"), active,
 491                                 G_CALLBACK(vdtree_pop_menu_slide_cb), vdt);
 492         menu_item_add_sensitive(menu, _("Slideshow recursive"), active,
 493                                 G_CALLBACK(vdtree_pop_menu_slide_rec_cb), vdt);
 494
 495         menu_item_add_divider(menu);
 496         menu_item_add_stock_sensitive(menu, _("Find _duplicates..."), GTK_STOCK_FIND, active,
 497                                       G_CALLBACK(vdtree_pop_menu_dupe_cb), vdt);
 498         menu_item_add_stock_sensitive(menu, _("Find duplicates recursive..."), GTK_STOCK_FIND, active,
 499                                       G_CALLBACK(vdtree_pop_menu_dupe_rec_cb), vdt);
 500
 501         menu_item_add_divider(menu);
 502
 503         active = (fd &&
 504                   access_file(fd->path, W_OK | X_OK));
 505         menu_item_add_sensitive(menu, _("_New folder..."), active,
 506                                 G_CALLBACK(vdtree_pop_menu_new_cb), vdt);
 507
 508         menu_item_add_sensitive(menu, _("_Rename..."), parent_active,
 509                                 G_CALLBACK(vdtree_pop_menu_rename_cb), vdt);
 510         menu_item_add_stock_sensitive(menu, _("_Delete..."), GTK_STOCK_DELETE, parent_active,
 511                                       G_CALLBACK(vdtree_pop_menu_delete_cb), vdt);
 512
 513         menu_item_add_divider(menu);
 514         menu_item_add_check(menu, _("View as _tree"), TRUE,
 515                             G_CALLBACK(vdtree_pop_menu_tree_cb), vdt);
 516         menu_item_add_stock(menu, _("Re_fresh"), GTK_STOCK_REFRESH,
 517                             G_CALLBACK(vdtree_pop_menu_refresh_cb), vdt);
 518
 519         return menu;
 520 }
 521
 522 /*
 523  *----------------------------------------------------------------------------
 524  * dnd
 525  *----------------------------------------------------------------------------
 526  */
 527
 528 static GtkTargetEntry vdtree_dnd_drop_types[] = {
 529         { "text/uri-list", 0, TARGET_URI_LIST }
 530 };
 531 static gint vdtree_dnd_drop_types_count = 1;
 532
 533
 534 static void vdtree_dest_set(ViewDirTree *vdt, gint enable)
 535 {
 536         if (enable)
 537                 {
 538                 gtk_drag_dest_set(vdt->treeview,
 539                                   GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
 540                                   vdtree_dnd_drop_types, vdtree_dnd_drop_types_count,
 541                                   GDK_ACTION_MOVE | GDK_ACTION_COPY);
 542                 }
 543         else
 544                 {
 545                 gtk_drag_dest_unset(vdt->treeview);
 546                 }
 547 }
 548
 549 static void vdtree_dnd_get(GtkWidget *widget, GdkDragContext *context,
 550                            GtkSelectionData *selection_data, guint info,
 551                            guint time, gpointer data)
 552 {
 553         ViewDirTree *vdt = data;
 554         gchar *path;
 555         GList *list;
 556         gchar *uri_text = NULL;
 557         gint length = 0;
 558
 559         if (!vdt->click_fd) return;
 560
 561         switch (info)
 562                 {
 563                 case TARGET_URI_LIST:
 564                 case TARGET_TEXT_PLAIN:
 565                         list = g_list_prepend(NULL, vdt->click_fd);
 566                         uri_text = uri_text_from_filelist(list, &length, (info == TARGET_TEXT_PLAIN));
 567                         g_list_free(list);
 568                         break;
 569                 }
 570
 571         if (uri_text)
 572                 {
 573                 gtk_selection_data_set(selection_data, selection_data->target,
 574                                        8, (guchar *)uri_text, length);
 575                 g_free(uri_text);
 576                 }
 577 }
 578
 579 static void vdtree_dnd_begin(GtkWidget *widget, GdkDragContext *context, gpointer data)
 580 {
 581         ViewDirTree *vdt = data;
 582
 583         vdtree_color_set(vdt, vdt->click_fd, TRUE);
 584         vdtree_dest_set(vdt, FALSE);
 585 }
 586
 587 static void vdtree_dnd_end(GtkWidget *widget, GdkDragContext *context, gpointer data)
 588 {
 589         ViewDirTree *vdt = data;
 590
 591         vdtree_color_set(vdt, vdt->click_fd, FALSE);
 592         vdtree_dest_set(vdt, TRUE);
 593 }
 594
 595 static void vdtree_dnd_drop_receive(GtkWidget *widget,
 596                                     GdkDragContext *context, gint x, gint y,
 597                                     GtkSelectionData *selection_data, guint info,
 598                                     guint time, gpointer data)
 599 {
 600         ViewDirTree *vdt = data;
 601         GtkTreePath *tpath;
 602         GtkTreeIter iter;
 603         FileData *fd = NULL;
 604
 605         vdt->click_fd = NULL;
 606
 607         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), x, y,
 608                                           &tpath, NULL, NULL, NULL))
 609                 {
 610                 GtkTreeModel *store;
 611                 NodeData *nd;
 612
 613                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 614                 gtk_tree_model_get_iter(store, &iter, tpath);
 615                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 616                 gtk_tree_path_free(tpath);
 617
 618                 fd = (nd) ? nd->fd : NULL;
 619                 }
 620
 621         if (!fd) return;
 622
 623         if (info == TARGET_URI_LIST)
 624                 {
 625                 GList *list;
 626                 gint active;
 627
 628                 list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
 629                 if (!list) return;
 630
 631                 active = access_file(fd->path, W_OK | X_OK);
 632
 633                 vdtree_color_set(vdt, fd, TRUE);
 634                 vdt->popup = vdtree_drop_menu(vdt, active);
 635                 gtk_menu_popup(GTK_MENU(vdt->popup), NULL, NULL, NULL, NULL, 0, time);
 636
 637                 vdt->drop_fd = fd;
 638                 vdt->drop_list = list;
 639                 }
 640 }
 641
 642 static gint vdtree_dnd_drop_expand_cb(gpointer data)
 643 {
 644         ViewDirTree *vdt = data;
 645         GtkTreeIter iter;
 646
 647         if (vdt->drop_fd &&
 648             vdtree_find_row(vdt, vdt->drop_fd, &iter, NULL))
 649                 {
 650                 vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path);
 651                 vdtree_expand_by_data(vdt, vdt->drop_fd, TRUE);
 652                 }
 653
 654         vdt->drop_expand_id = -1;
 655         return FALSE;
 656 }
 657
 658 static void vdtree_dnd_drop_expand_cancel(ViewDirTree *vdt)
 659 {
 660         if (vdt->drop_expand_id != -1) g_source_remove(vdt->drop_expand_id);
 661         vdt->drop_expand_id = -1;
 662 }
 663
 664 static void vdtree_dnd_drop_expand(ViewDirTree *vdt)
 665 {
 666         vdtree_dnd_drop_expand_cancel(vdt);
 667         vdt->drop_expand_id = g_timeout_add(1000, vdtree_dnd_drop_expand_cb, vdt);
 668 }
 669
 670 static void vdtree_drop_update(ViewDirTree *vdt, gint x, gint y)
 671 {
 672         GtkTreePath *tpath;
 673         GtkTreeIter iter;
 674         FileData *fd = NULL;
 675
 676         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(vdt->treeview), x, y,
 677                                           &tpath, NULL, NULL, NULL))
 678                 {
 679                 GtkTreeModel *store;
 680                 NodeData *nd;
 681
 682                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 683                 gtk_tree_model_get_iter(store, &iter, tpath);
 684                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 685                 gtk_tree_path_free(tpath);
 686
 687                 fd = (nd) ? nd->fd : NULL;
 688                 }
 689
 690         if (fd != vdt->drop_fd)
 691                 {
 692                 vdtree_color_set(vdt, vdt->drop_fd, FALSE);
 693                 vdtree_color_set(vdt, fd, TRUE);
 694                 if (fd) vdtree_dnd_drop_expand(vdt);
 695                 }
 696
 697         vdt->drop_fd = fd;
 698 }
 699
 700 static void vdtree_dnd_drop_scroll_cancel(ViewDirTree *vdt)
 701 {
 702         if (vdt->drop_scroll_id != -1) g_source_remove(vdt->drop_scroll_id);
 703         vdt->drop_scroll_id = -1;
 704 }
 705
 706 static gint vdtree_auto_scroll_idle_cb(gpointer data)
 707 {
 708         ViewDirTree *vdt = data;
 709
 710         if (vdt->drop_fd)
 711                 {
 712                 GdkWindow *window;
 713                 gint x, y;
 714                 gint w, h;
 715
 716                 window = vdt->treeview->window;
 717                 gdk_window_get_pointer(window, &x, &y, NULL);
 718                 gdk_drawable_get_size(window, &w, &h);
 719                 if (x >= 0 && x < w && y >= 0 && y < h)
 720                         {
 721                         vdtree_drop_update(vdt, x, y);
 722                         }
 723                 }
 724
 725         vdt->drop_scroll_id = -1;
 726         return FALSE;
 727 }
 728
 729 static gint vdtree_auto_scroll_notify_cb(GtkWidget *widget, gint x, gint y, gpointer data)
 730 {
 731         ViewDirTree *vdt = data;
 732
 733         if (!vdt->drop_fd || vdt->drop_list) return FALSE;
 734
 735         if (vdt->drop_scroll_id == -1) vdt->drop_scroll_id = g_idle_add(vdtree_auto_scroll_idle_cb, vdt);
 736
 737         return TRUE;
 738 }
 739
 740 static gint vdtree_dnd_drop_motion(GtkWidget *widget, GdkDragContext *context,
 741                                    gint x, gint y, guint time, gpointer data)
 742 {
 743         ViewDirTree *vdt = data;
 744
 745         vdt->click_fd = NULL;
 746
 747         if (gtk_drag_get_source_widget(context) == vdt->treeview)
 748                 {
 749                 gdk_drag_status(context, 0, time);
 750                 return TRUE;
 751                 }
 752         else
 753                 {
 754                 gdk_drag_status(context, context->suggested_action, time);
 755                 }
 756
 757         vdtree_drop_update(vdt, x, y);
 758
 759         if (vdt->drop_fd)
 760                 {
 761                 GtkAdjustment *adj = gtk_tree_view_get_vadjustment(GTK_TREE_VIEW(vdt->treeview));
 762                 widget_auto_scroll_start(vdt->treeview, adj, -1, -1, vdtree_auto_scroll_notify_cb, vdt);
 763                 }
 764
 765         return FALSE;
 766 }
 767
 768 static void vdtree_dnd_drop_leave(GtkWidget *widget, GdkDragContext *context, guint time, gpointer data)
 769 {
 770         ViewDirTree *vdt = data;
 771
 772         if (vdt->drop_fd != vdt->click_fd) vdtree_color_set(vdt, vdt->drop_fd, FALSE);
 773
 774         vdt->drop_fd = NULL;
 775
 776         vdtree_dnd_drop_expand_cancel(vdt);
 777 }
 778
 779 static void vdtree_dnd_init(ViewDirTree *vdt)
 780 {
 781         gtk_drag_source_set(vdt->treeview, GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
 782                             dnd_file_drag_types, dnd_file_drag_types_count,
 783                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_ASK);
 784         g_signal_connect(G_OBJECT(vdt->treeview), "drag_data_get",
 785                          G_CALLBACK(vdtree_dnd_get), vdt);
 786         g_signal_connect(G_OBJECT(vdt->treeview), "drag_begin",
 787                          G_CALLBACK(vdtree_dnd_begin), vdt);
 788         g_signal_connect(G_OBJECT(vdt->treeview), "drag_end",
 789                          G_CALLBACK(vdtree_dnd_end), vdt);
 790
 791         vdtree_dest_set(vdt, TRUE);
 792         g_signal_connect(G_OBJECT(vdt->treeview), "drag_data_received",
 793                          G_CALLBACK(vdtree_dnd_drop_receive), vdt);
 794         g_signal_connect(G_OBJECT(vdt->treeview), "drag_motion",
 795                          G_CALLBACK(vdtree_dnd_drop_motion), vdt);
 796         g_signal_connect(G_OBJECT(vdt->treeview), "drag_leave",
 797                          G_CALLBACK(vdtree_dnd_drop_leave), vdt);
 798 }
 799
 800 /*
 801  *----------------------------------------------------------------------------
 802  * parts lists
 803  *----------------------------------------------------------------------------
 804  */
 805
 806 static GList *parts_list(const gchar *path)
 807 {
 808         GList *list = NULL;
 809         const gchar *strb, *strp;
 810         gint l;
 811
 812         strp = path;
 813
 814         if (*strp != '/') return NULL;
 815
 816         strp++;
 817         strb = strp;
 818         l = 0;
 819
 820         while (*strp != '\0')
 821                 {
 822                 if (*strp == '/')
 823                         {
 824                         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 825                         strp++;
 826                         strb = strp;
 827                         l = 0;
 828                         }
 829                 else
 830                         {
 831                         strp++;
 832                         l++;
 833                         }
 834                 }
 835         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 836
 837         list = g_list_reverse(list);
 838
 839         list = g_list_prepend(list, g_strdup("/"));
 840
 841         return list;
 842 }
 843
 844 static void parts_list_free(GList *list)
 845 {
 846         GList *work = list;
 847         while (work)
 848                 {
 849                 PathData *pd = work->data;
 850                 g_free(pd->name);
 851                 g_free(pd);
 852                 work = work->next;
 853                 }
 854
 855         g_list_free(list);
 856 }
 857
 858 static GList *parts_list_add_node_points(ViewDirTree *vdt, GList *list)
 859 {
 860         GList *work;
 861         GtkTreeModel *store;
 862         GtkTreeIter iter;
 863         gint valid;
 864
 865         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 866         valid = gtk_tree_model_get_iter_first(store, &iter);
 867
 868         work = list;
 869         while (work)
 870                 {
 871                 PathData *pd;
 872                 FileData *fd = NULL;
 873
 874                 pd = g_new0(PathData, 1);
 875                 pd->name = work->data;
 876
 877                 while (valid && !fd)
 878                         {
 879                         NodeData *nd;
 880
 881                         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 882                         if (strcmp(nd->fd->name, pd->name) == 0)
 883                                 {
 884                                 fd = nd->fd;
 885                                 }
 886                         else
 887                                 {
 888                                 valid = gtk_tree_model_iter_next(store, &iter);
 889                                 }
 890                         }
 891
 892                 pd->node = fd;
 893                 work->data = pd;
 894
 895                 if (fd)
 896                         {
 897                         GtkTreeIter parent;
 898                         memcpy(&parent, &iter, sizeof(parent));
 899                         valid = gtk_tree_model_iter_children(store, &iter, &parent);
 900                         }
 901
 902                 work = work->next;
 903                 }
 904
 905         return list;
 906 }
 907
 908 /*
 909  *----------------------------------------------------------------------------
 910  * misc
 911  *----------------------------------------------------------------------------
 912  */
 913
 914 #if 0
 915 static void vdtree_row_deleted_cb(GtkTreeModel *tree_model, GtkTreePath *tpath, gpointer data)
 916 {
 917         GtkTreeIter iter;
 918         NodeData *nd;
 919
 920         gtk_tree_model_get_iter(tree_model, &iter, tpath);
 921         gtk_tree_model_get(tree_model, &iter, DIR_COLUMN_POINTER, &nd, -1);
 922
 923         if (!nd) return;
 924
 925         file_data_unref(nd->fd);
 926         g_free(nd);
 927 }
 928 #endif
 929
 930 /*
 931  *----------------------------------------------------------------------------
 932  * node traversal, management
 933  *----------------------------------------------------------------------------
 934  */
 935
 936 static gint vdtree_find_iter_by_data(ViewDirTree *vdt, GtkTreeIter *parent, NodeData *nd, GtkTreeIter *iter)
 937 {
 938         GtkTreeModel *store;
 939
 940         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 941         if (!nd || !gtk_tree_model_iter_children(store, iter, parent)) return -1;
 942         do      {
 943                 NodeData *cnd;
 944
 945                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &cnd, -1);
 946                 if (cnd == nd) return TRUE;
 947                 } while (gtk_tree_model_iter_next(store, iter));
 948
 949         return FALSE;
 950 }
 951
 952 static NodeData *vdtree_find_iter_by_name(ViewDirTree *vdt, GtkTreeIter *parent, const gchar *name, GtkTreeIter *iter)
 953 {
 954         GtkTreeModel *store;
 955
 956         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 957         if (!name || !gtk_tree_model_iter_children(store, iter, parent)) return NULL;
 958         do      {
 959                 NodeData *nd;
 960
 961                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 962                 if (nd && strcmp(nd->fd->name, name) == 0) return nd;
 963                 } while (gtk_tree_model_iter_next(store, iter));
 964
 965         return NULL;
 966 }
 967
 968 static void vdtree_add_by_data(ViewDirTree *vdt, FileData *fd, GtkTreeIter *parent)
 969 {
 970         GtkTreeStore *store;
 971         GtkTreeIter child;
 972         NodeData *nd;
 973         GdkPixbuf *pixbuf;
 974         NodeData *end;
 975         GtkTreeIter empty;
 976
 977         if (!fd) return;
 978
 979         if (access_file(fd->path, R_OK | X_OK))
 980                 {
 981                 pixbuf = vdt->pf->close;
 982                 }
 983         else
 984                 {
 985                 pixbuf = vdt->pf->deny;
 986                 }
 987
 988         nd = g_new0(NodeData, 1);
 989         nd->fd = fd;
 990         nd->expanded = FALSE;
 991         nd->last_update = time(NULL);
 992
 993         store = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview)));
 994         gtk_tree_store_append(store, &child, parent);
 995         gtk_tree_store_set(store, &child, DIR_COLUMN_POINTER, nd,
 996                                          DIR_COLUMN_ICON, pixbuf,
 997                                          DIR_COLUMN_NAME, nd->fd->name,
 998                                          DIR_COLUMN_COLOR, FALSE, -1);
 999
1000         /* all nodes are created with an "empty" node, so that the expander is shown
1001          * this is removed when the child is populated */
1002         end = g_new0(NodeData, 1);
1003         end->fd = file_data_new_simple("");
1004         end->expanded = TRUE;
1005
1006         gtk_tree_store_append(store, &empty, &child);
1007         gtk_tree_store_set(store, &empty, DIR_COLUMN_POINTER, end,
1008                                           DIR_COLUMN_NAME, "empty", -1);
1009
1010         if (parent)
1011                 {
1012                 NodeData *pnd;
1013                 GtkTreePath *tpath;
1014
1015                 gtk_tree_model_get(GTK_TREE_MODEL(store), parent, DIR_COLUMN_POINTER, &pnd, -1);
1016                 tpath = gtk_tree_model_get_path(GTK_TREE_MODEL(store), parent);
1017                 if (tree_descend_subdirs &&
1018                     gtk_tree_view_row_expanded(GTK_TREE_VIEW(vdt->treeview), tpath) &&
1019                     !nd->expanded)
1020                         {
1021                         vdtree_populate_path_by_iter(vdt, &child, FALSE, vdt->path);
1022                         }
1023                 gtk_tree_path_free(tpath);
1024                 }
1025 }
1026
1027 static gint vdtree_populate_path_by_iter(ViewDirTree *vdt, GtkTreeIter *iter, gint force, const gchar *target_path)
1028 {
1029         GtkTreeModel *store;
1030         GList *list;
1031         GList *work;
1032         GList *old;
1033         time_t current_time;
1034         GtkTreeIter child;
1035         NodeData *nd;
1036
1037         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1038         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
1039
1040         if (!nd) return FALSE;
1041
1042         current_time = time(NULL);
1043
1044         if (nd->expanded)
1045                 {
1046                 if (!force && current_time - nd->last_update < 10) return TRUE;
1047                 if (!isdir(nd->fd->path))
1048                         {
1049                         if (vdt->click_fd == nd->fd) vdt->click_fd = NULL;
1050                         if (vdt->drop_fd == nd->fd) vdt->drop_fd = NULL;
1051                         gtk_tree_store_remove(GTK_TREE_STORE(store), iter);
1052                         vdtree_node_free(nd);
1053                         return FALSE;
1054                         }
1055                 if (!force && filetime(nd->fd->path) == nd->fd->date) return TRUE;
1056                 }
1057
1058         vdtree_busy_push(vdt);
1059
1060         list = NULL;
1061         filelist_read(nd->fd->path, NULL, &list);
1062
1063         /* when hidden files are not enabled, and the user enters a hidden path,
1064          * allow the tree to display that path by specifically inserting the hidden entries
1065          */
1066         if (!show_dot_files &&
1067             target_path &&
1068             strncmp(nd->fd->path, target_path, strlen(nd->fd->path)) == 0)
1069                 {
1070                 gint n;
1071
1072                 n = strlen(nd->fd->path);
1073                 if (target_path[n] == '/' && target_path[n+1] == '.')
1074                         {
1075                         gchar *name8;
1076                         gchar *namel;
1077                         struct stat sbuf;
1078
1079                         n++;
1080
1081                         while (target_path[n] != '\0' && target_path[n] != '/') n++;
1082                         name8 = g_strndup(target_path, n);
1083                         namel = path_from_utf8(name8);
1084
1085                         if (stat_utf8(name8, &sbuf))
1086                                 {
1087                                 list = g_list_prepend(list, file_data_new_local(namel, &sbuf));
1088                                 }
1089
1090                         g_free(namel);
1091                         g_free(name8);
1092                         }
1093                 }
1094
1095         old = NULL;
1096         if (gtk_tree_model_iter_children(store, &child, iter))
1097                 {
1098                 do      {
1099                         NodeData *cnd;
1100
1101                         gtk_tree_model_get(store, &child, DIR_COLUMN_POINTER, &cnd, -1);
1102                         old = g_list_prepend(old, cnd);
1103                         } while (gtk_tree_model_iter_next(store, &child));
1104                 }
1105
1106         work = list;
1107         while (work)
1108                 {
1109                 FileData *fd;
1110
1111                 fd = work->data;
1112                 work = work->next;
1113
1114                 if (strcmp(fd->name, ".") == 0 || strcmp(fd->name, "..") == 0)
1115                         {
1116                         file_data_unref(fd);
1117                         }
1118                 else
1119                         {
1120                         NodeData *cnd;
1121
1122                         cnd = vdtree_find_iter_by_name(vdt, iter, fd->name, &child);
1123                         if (cnd)
1124                                 {
1125                                 old = g_list_remove(old, cnd);
1126                                 if (cnd->expanded && cnd->fd->date != fd->date &&
1127                                     vdtree_populate_path_by_iter(vdt, &child, FALSE, target_path))
1128                                         {
1129                                         cnd->fd->size = fd->size;
1130                                         cnd->fd->date = fd->date;
1131                                         }
1132
1133                                 file_data_unref(fd);
1134                                 }
1135                         else
1136                                 {
1137                                 vdtree_add_by_data(vdt, fd, iter);
1138                                 }
1139                         }
1140                 }
1141
1142         work = old;
1143         while (work)
1144                 {
1145                 NodeData *cnd = work->data;
1146                 work = work->next;
1147
1148                 if (vdt->click_fd == cnd->fd) vdt->click_fd = NULL;
1149                 if (vdt->drop_fd == cnd->fd) vdt->drop_fd = NULL;
1150
1151                 if (vdtree_find_iter_by_data(vdt, iter, cnd, &child))
1152                         {
1153                         gtk_tree_store_remove(GTK_TREE_STORE(store), &child);
1154                         vdtree_node_free(cnd);
1155                         }
1156                 }
1157
1158         g_list_free(old);
1159         g_list_free(list);
1160
1161         vdtree_busy_pop(vdt);
1162
1163         nd->expanded = TRUE;
1164         nd->last_update = current_time;
1165
1166         return TRUE;
1167 }
1168
1169 static FileData *vdtree_populate_path(ViewDirTree *vdt, const gchar *path, gint expand, gint force)
1170 {
1171         GList *list;
1172         GList *work;
1173         FileData *fd = NULL;
1174
1175         if (!path) return NULL;
1176
1177         vdtree_busy_push(vdt);
1178
1179         list = parts_list(path);
1180         list = parts_list_add_node_points(vdt, list);
1181
1182         work = list;
1183         while (work)
1184                 {
1185                 PathData *pd = work->data;
1186                 if (pd->node == NULL)
1187                         {
1188                         PathData *parent_pd;
1189                         GtkTreeIter parent_iter;
1190                         GtkTreeIter iter;
1191                         NodeData *nd;
1192
1193                         if (work == list)
1194                                 {
1195                                 /* should not happen */
1196                                 printf("vdtree warning, root node not found\n");
1197                                 parts_list_free(list);
1198                                 vdtree_busy_pop(vdt);
1199                                 return NULL;
1200                                 }
1201
1202                         parent_pd = work->prev->data;
1203
1204                         if (!vdtree_find_row(vdt, parent_pd->node, &parent_iter, NULL) ||
1205                             !vdtree_populate_path_by_iter(vdt, &parent_iter, force, path) ||
1206                             (nd = vdtree_find_iter_by_name(vdt, &parent_iter, pd->name, &iter)) == NULL)
1207                                 {
1208                                 printf("vdtree warning, aborted at %s\n", parent_pd->name);
1209                                 parts_list_free(list);
1210                                 vdtree_busy_pop(vdt);
1211                                 return NULL;
1212                                 }
1213
1214                         pd->node = nd->fd;
1215
1216                         if (pd->node)
1217                                 {
1218                                 if (expand)
1219                                         {
1220                                         vdtree_expand_by_iter(vdt, &parent_iter, TRUE);
1221                                         vdtree_expand_by_iter(vdt, &iter, TRUE);
1222                                         }
1223                                 vdtree_populate_path_by_iter(vdt, &iter, force, path);
1224                                 }
1225                         }
1226                 else
1227                         {
1228                         GtkTreeIter iter;
1229
1230                         if (vdtree_find_row(vdt, pd->node, &iter, NULL))
1231                                 {
1232                                 if (expand) vdtree_expand_by_iter(vdt, &iter, TRUE);
1233                                 vdtree_populate_path_by_iter(vdt, &iter, force, path);
1234                                 }
1235                         }
1236
1237                 work = work->next;
1238                 }
1239
1240         work = g_list_last(list);
1241         if (work)
1242                 {
1243                 PathData *pd = work->data;
1244                 fd = pd->node;
1245                 }
1246         parts_list_free(list);
1247
1248         vdtree_busy_pop(vdt);
1249
1250         return fd;
1251 }
1252
1253 /*
1254  *----------------------------------------------------------------------------
1255  * access
1256  *----------------------------------------------------------------------------
1257  */
1258
1259 static gint selection_is_ok = FALSE;
1260
1261 static gboolean vdtree_select_cb(GtkTreeSelection *selection, GtkTreeModel *store, GtkTreePath *tpath,
1262                                  gboolean path_currently_selected, gpointer data)
1263 {
1264         return selection_is_ok;
1265 }
1266
1267 static void vdtree_select_row(ViewDirTree *vdt, FileData *fd)
1268 {
1269         GtkTreeSelection *selection;
1270         GtkTreeIter iter;
1271
1272         if (!vdtree_find_row(vdt, fd, &iter, NULL)) return;
1273         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vdt->treeview));
1274
1275         /* hack, such that selection is only allowed to be changed from here */
1276         selection_is_ok = TRUE;
1277         gtk_tree_selection_select_iter(selection, &iter);
1278         selection_is_ok = FALSE;
1279
1280         if (!vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path)) return;
1281
1282         vdtree_expand_by_iter(vdt, &iter, TRUE);
1283
1284         if (fd && vdt->select_func)
1285                 {
1286                 vdt->select_func(vdt, fd->path, vdt->select_data);
1287                 }
1288 }
1289
1290 gint vdtree_set_path(ViewDirTree *vdt, const gchar *path)
1291 {
1292         FileData *fd;
1293         GtkTreeIter iter;
1294
1295         if (!path) return FALSE;
1296         if (vdt->path && strcmp(path, vdt->path) == 0) return TRUE;
1297
1298         g_free(vdt->path);
1299         vdt->path = g_strdup(path);
1300
1301         fd = vdtree_populate_path(vdt, vdt->path, TRUE, FALSE);
1302
1303         if (!fd) return FALSE;
1304
1305         if (vdtree_find_row(vdt, fd, &iter, NULL))
1306                 {
1307                 GtkTreeModel *store;
1308                 GtkTreePath *tpath;
1309
1310                 tree_view_row_make_visible(GTK_TREE_VIEW(vdt->treeview), &iter, TRUE);
1311
1312                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1313                 tpath = gtk_tree_model_get_path(store, &iter);
1314                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(vdt->treeview), tpath, NULL, FALSE);
1315                 gtk_tree_path_free(tpath);
1316
1317                 vdtree_select_row(vdt, fd);
1318                 }
1319
1320         return TRUE;
1321 }
1322
1323 #if 0
1324 const gchar *vdtree_get_path(ViewDirTree *vdt)
1325 {
1326         return vdt->path;
1327 }
1328 #endif
1329
1330 void vdtree_refresh(ViewDirTree *vdt)
1331 {
1332         vdtree_populate_path(vdt, vdt->path, FALSE, TRUE);
1333 }
1334
1335 const gchar *vdtree_row_get_path(ViewDirTree *vdt, gint row)
1336 {
1337         printf("FIXME: no get row path\n");
1338         return NULL;
1339 }
1340
1341 /*
1342  *----------------------------------------------------------------------------
1343  * callbacks
1344  *----------------------------------------------------------------------------
1345  */
1346
1347 static void vdtree_menu_position_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
1348 {
1349         ViewDirTree *vdt = data;
1350         GtkTreeModel *store;
1351         GtkTreeIter iter;
1352         GtkTreePath *tpath;
1353         gint cw, ch;
1354
1355         if (vdtree_find_row(vdt, vdt->click_fd, &iter, NULL) < 0) return;
1356         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1357         tpath = gtk_tree_model_get_path(store, &iter);
1358         tree_view_get_cell_clamped(GTK_TREE_VIEW(vdt->treeview), tpath, 0, TRUE, x, y, &cw, &ch);
1359         gtk_tree_path_free(tpath);
1360         *y += ch;
1361         popup_menu_position_clamp(menu, x, y, 0);
1362 }
1363
1364 static gint vdtree_press_key_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1365 {
1366         ViewDirTree *vdt = data;
1367         GtkTreePath *tpath;
1368         GtkTreeIter iter;
1369         FileData *fd = NULL;
1370
1371         gtk_tree_view_get_cursor(GTK_TREE_VIEW(vdt->treeview), &tpath, NULL);
1372         if (tpath)
1373                 {
1374                 GtkTreeModel *store;
1375                 NodeData *nd;
1376
1377                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
1378                 gtk_tree_model_get_iter(store, &iter, tpath);
1379                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1380
1381                 gtk_tree_path_free(tpath);
1382
1383                 fd = (nd) ? nd->fd : NULL;
1384                 }
1385
1386         switch (event->keyval)
1387                 {
1388                 case GDK_Menu:
1389                         vdt->click_fd = fd;
1390                         vdtree_color_set(vdt, vdt->click_fd, TRUE);
1391
1392                         vdt->popup = vdtree_pop_menu(vdt, vdt->click_fd);
1393                         gtk_menu_popup(GTK_MENU(vdt->popup), NULL, NULL, vdtree_menu_position_cb, vdt, 0, GDK_CURRENT_TIME);
1394
1395                         return TRUE;
1396                         break;
1397                 case GDK_plus:
1398                 case GDK_Right:
1399                 case GDK_KP_Add:
1400                         if (fd)
1401                                 {
1402                                 vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path);
1403                                 vdtree_icon_set_by_iter(vdt, &iter, vdt->pf->open);
1404                                 }
1405                         break;
1406                 }
1407
1408         return FALSE;
1409 }
1410
1411 static gint vdtree_clicked_on_expander(GtkTreeView *treeview, GtkTreePath *tpath,
1412                                        GtkTreeViewColumn *column, gint x, gint y, gint *left_of_expander)
1413 {
1414         gint depth;
1415         gint size;
1416         gint sep;
1417         gint exp_width;
1418
1419         if (column != gtk_tree_view_get_expander_column(treeview)) return FALSE;
1420
1421         gtk_widget_style_get(GTK_WIDGET(treeview), "expander-size", &size, "horizontal-separator", &sep, NULL);
1422         depth = gtk_tree_path_get_depth(tpath);
1423
1424         exp_width = sep + size + sep;
1425
1426         if (x <= depth * exp_width)
1427                 {
1428                 if (left_of_expander) *left_of_expander = !(x >= (depth - 1) * exp_width);
1429                 return TRUE;
1430                 }
1431
1432         return FALSE;
1433 }
1434
1435 static gint vdtree_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1436 {
1437         ViewDirTree *vdt = data;
1438         GtkTreePath *tpath;
1439         GtkTreeViewColumn *column;
1440         GtkTreeIter iter;
1441         NodeData *nd = NULL;
1442
1443         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
1444                                           &tpath, &column, NULL, NULL))
1445                 {
1446                 GtkTreeModel *store;
1447                 gint left_of_expander;
1448
1449                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
1450                 gtk_tree_model_get_iter(store, &iter, tpath);
1451                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1452                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, NULL, FALSE);
1453
1454                 if (vdtree_clicked_on_expander(GTK_TREE_VIEW(widget), tpath, column, bevent->x, bevent->y, &left_of_expander))
1455                         {
1456                         vdt->click_fd = NULL;
1457
1458                         /* clicking this region should automatically reveal an expander, if necessary
1459                          * treeview bug: the expander will not expand until a button_motion_event highlights it.
1460                          */
1461                         if (bevent->button == 1 &&
1462                             !left_of_expander &&
1463                             !gtk_tree_view_row_expanded(GTK_TREE_VIEW(vdt->treeview), tpath))
1464                                 {
1465                                 vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path);
1466                                 vdtree_icon_set_by_iter(vdt, &iter, vdt->pf->open);
1467                                 }
1468
1469                         gtk_tree_path_free(tpath);
1470                         return FALSE;
1471                         }
1472
1473                 gtk_tree_path_free(tpath);
1474                 }
1475
1476         vdt->click_fd = (nd) ? nd->fd : NULL;
1477         vdtree_color_set(vdt, vdt->click_fd, TRUE);
1478
1479         if (bevent->button == 3)
1480                 {
1481                 vdt->popup = vdtree_pop_menu(vdt, vdt->click_fd);
1482                 gtk_menu_popup(GTK_MENU(vdt->popup), NULL, NULL, NULL, NULL,
1483                                bevent->button, bevent->time);
1484                 }
1485
1486         return (bevent->button != 1);
1487 }
1488
1489 static gint vdtree_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1490 {
1491         ViewDirTree *vdt = data;
1492         GtkTreePath *tpath;
1493         GtkTreeIter iter;
1494         NodeData *nd = NULL;
1495
1496         if (!vdt->click_fd) return FALSE;
1497         vdtree_color_set(vdt, vdt->click_fd, FALSE);
1498
1499         if (bevent->button != 1) return TRUE;
1500
1501         if ((bevent->x != 0 || bevent->y != 0) &&
1502             gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
1503                                           &tpath, NULL, NULL, NULL))
1504                 {
1505                 GtkTreeModel *store;
1506
1507                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
1508                 gtk_tree_model_get_iter(store, &iter, tpath);
1509                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1510                 gtk_tree_path_free(tpath);
1511                 }
1512
1513         if (nd && vdt->click_fd == nd->fd)
1514                 {
1515                 vdtree_select_row(vdt, vdt->click_fd);
1516                 }
1517
1518         return FALSE;
1519 }
1520
1521 static void vdtree_row_expanded(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
1522 {
1523         ViewDirTree *vdt = data;
1524
1525         vdtree_populate_path_by_iter(vdt, iter, FALSE, NULL);
1526         vdtree_icon_set_by_iter(vdt, iter, vdt->pf->open);
1527 }
1528
1529 static void vdtree_row_collapsed(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
1530 {
1531         ViewDirTree *vdt = data;
1532
1533         vdtree_icon_set_by_iter(vdt, iter, vdt->pf->close);
1534 }
1535
1536 static gint vdtree_sort_cb(GtkTreeModel *store, GtkTreeIter *a, GtkTreeIter *b, gpointer data)
1537 {
1538         NodeData *nda;
1539         NodeData *ndb;
1540
1541         gtk_tree_model_get(store, a, DIR_COLUMN_POINTER, &nda, -1);
1542         gtk_tree_model_get(store, b, DIR_COLUMN_POINTER, &ndb, -1);
1543
1544         return CASE_SORT(nda->fd->name, ndb->fd->name);
1545 }
1546
1547 /*
1548  *----------------------------------------------------------------------------
1549  * core
1550  *----------------------------------------------------------------------------
1551  */
1552
1553 static void vdtree_setup_root(ViewDirTree *vdt)
1554 {
1555         const gchar *path = "/";
1556         FileData *fd;
1557
1558
1559         fd = file_data_new_simple(path);
1560         vdtree_add_by_data(vdt, fd, NULL);
1561
1562         vdtree_expand_by_data(vdt, fd, TRUE);
1563         vdtree_populate_path(vdt, path, FALSE, FALSE);
1564 }
1565
1566 static void vdtree_activate_cb(GtkTreeView *tview, GtkTreePath *tpath, GtkTreeViewColumn *column, gpointer data)
1567 {
1568         ViewDirTree *vdt = data;
1569         GtkTreeModel *store;
1570         GtkTreeIter iter;
1571         NodeData *nd;
1572
1573         store = gtk_tree_view_get_model(tview);
1574         gtk_tree_model_get_iter(store, &iter, tpath);
1575         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1576
1577         vdtree_select_row(vdt, nd->fd);
1578 }
1579
1580 static GdkColor *vdtree_color_shifted(GtkWidget *widget)
1581 {
1582         static GdkColor color;
1583         static GtkWidget *done = NULL;
1584
1585         if (done != widget)
1586                 {
1587                 GtkStyle *style;
1588
1589                 style = gtk_widget_get_style(widget);
1590                 memcpy(&color, &style->base[GTK_STATE_NORMAL], sizeof(color));
1591                 shift_color(&color, -1, 0);
1592                 done = widget;
1593                 }
1594
1595         return &color;
1596 }
1597
1598 static void vdtree_color_cb(GtkTreeViewColumn *tree_column, GtkCellRenderer *cell,
1599                             GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
1600 {
1601         ViewDirTree *vdt = data;
1602         gboolean set;
1603
1604         gtk_tree_model_get(tree_model, iter, DIR_COLUMN_COLOR, &set, -1);
1605         g_object_set(G_OBJECT(cell),
1606                      "cell-background-gdk", vdtree_color_shifted(vdt->treeview),
1607                      "cell-background-set", set, NULL);
1608 }
1609
1610 static gboolean vdtree_destroy_node_cb(GtkTreeModel *store, GtkTreePath *tpath, GtkTreeIter *iter, gpointer data)
1611 {
1612         NodeData *nd;
1613
1614         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
1615         vdtree_node_free(nd);
1616
1617         return FALSE;
1618 }
1619
1620 static void vdtree_destroy_cb(GtkWidget *widget, gpointer data)
1621 {
1622         ViewDirTree *vdt = data;
1623         GtkTreeModel *store;
1624
1625         if (vdt->popup)
1626                 {
1627                 g_signal_handlers_disconnect_matched(G_OBJECT(vdt->popup), G_SIGNAL_MATCH_DATA,
1628                                                      0, 0, 0, NULL, vdt);
1629                 gtk_widget_destroy(vdt->popup);
1630                 }
1631
1632         vdtree_dnd_drop_expand_cancel(vdt);
1633         vdtree_dnd_drop_scroll_cancel(vdt);
1634         widget_auto_scroll_stop(vdt->treeview);
1635
1636         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1637         gtk_tree_model_foreach(store, vdtree_destroy_node_cb, vdt);
1638
1639         filelist_free(vdt->drop_list);
1640
1641         folder_icons_free(vdt->pf);
1642
1643         g_free(vdt->path);
1644         g_free(vdt);
1645 }
1646
1647 ViewDirTree *vdtree_new(const gchar *path, gint expand)
1648 {
1649         ViewDirTree *vdt;
1650         GtkTreeStore *store;
1651         GtkTreeSelection *selection;
1652         GtkTreeViewColumn *column;
1653         GtkCellRenderer *renderer;
1654
1655         vdt = g_new0(ViewDirTree, 1);
1656
1657         vdt->path = NULL;
1658         vdt->click_fd = NULL;
1659
1660         vdt->drop_fd = NULL;
1661         vdt->drop_list = NULL;
1662         vdt->drop_scroll_id = -1;
1663         vdt->drop_expand_id = -1;
1664
1665         vdt->popup = NULL;
1666
1667         vdt->busy_ref = 0;
1668
1669         vdt->widget = gtk_scrolled_window_new(NULL, NULL);
1670         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(vdt->widget), GTK_SHADOW_IN);
1671         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(vdt->widget),
1672                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
1673         g_signal_connect(G_OBJECT(vdt->widget), "destroy",
1674                          G_CALLBACK(vdtree_destroy_cb), vdt);
1675
1676         store = gtk_tree_store_new(4, G_TYPE_POINTER, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_INT);
1677         vdt->treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
1678         g_object_unref(store);
1679
1680         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(vdt->treeview), FALSE);
1681         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(vdt->treeview), FALSE);
1682         gtk_tree_sortable_set_default_sort_func(GTK_TREE_SORTABLE(store), vdtree_sort_cb, vdt, NULL);
1683         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
1684                                              GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, GTK_SORT_ASCENDING);
1685
1686         g_signal_connect(G_OBJECT(vdt->treeview), "row_activated",
1687                          G_CALLBACK(vdtree_activate_cb), vdt);
1688         g_signal_connect(G_OBJECT(vdt->treeview), "row_expanded",
1689                          G_CALLBACK(vdtree_row_expanded), vdt);
1690         g_signal_connect(G_OBJECT(vdt->treeview), "row_collapsed",
1691                          G_CALLBACK(vdtree_row_collapsed), vdt);
1692 #if 0
1693         g_signal_connect(G_OBJECT(store), "row_deleted",
1694                          G_CALLBACK(vdtree_row_deleted_cb), vdt);
1695 #endif
1696
1697         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vdt->treeview));
1698         gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);
1699         gtk_tree_selection_set_select_function(selection, vdtree_select_cb, vdt, NULL);
1700
1701         column = gtk_tree_view_column_new();
1702         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
1703
1704         renderer = gtk_cell_renderer_pixbuf_new();
1705         gtk_tree_view_column_pack_start(column, renderer, FALSE);
1706         gtk_tree_view_column_add_attribute(column, renderer, "pixbuf", DIR_COLUMN_ICON);
1707         gtk_tree_view_column_set_cell_data_func(column, renderer, vdtree_color_cb, vdt, NULL);
1708
1709         renderer = gtk_cell_renderer_text_new();
1710         gtk_tree_view_column_pack_start(column, renderer, TRUE);
1711         gtk_tree_view_column_add_attribute(column, renderer, "text", DIR_COLUMN_NAME);
1712         gtk_tree_view_column_set_cell_data_func(column, renderer, vdtree_color_cb, vdt, NULL);
1713
1714         gtk_tree_view_append_column(GTK_TREE_VIEW(vdt->treeview), column);
1715
1716         g_signal_connect(G_OBJECT(vdt->treeview), "key_press_event",
1717                          G_CALLBACK(vdtree_press_key_cb), vdt);
1718
1719         gtk_container_add(GTK_CONTAINER(vdt->widget), vdt->treeview);
1720         gtk_widget_show(vdt->treeview);
1721
1722         vdt->pf = folder_icons_new();
1723
1724         vdtree_setup_root(vdt);
1725
1726         vdtree_dnd_init(vdt);
1727
1728         g_signal_connect(G_OBJECT(vdt->treeview), "button_press_event",
1729                          G_CALLBACK(vdtree_press_cb), vdt);
1730         g_signal_connect(G_OBJECT(vdt->treeview), "button_release_event",
1731                          G_CALLBACK(vdtree_release_cb), vdt);
1732
1733         vdtree_set_path(vdt, path);
1734
1735         return vdt;
1736 }
1737
1738 void vdtree_set_select_func(ViewDirTree *vdt,
1739                             void (*func)(ViewDirTree *vdt, const gchar *path, gpointer data), gpointer data)
1740 {
1741         vdt->select_func = func;
1742         vdt->select_data = data;
1743 }
1744
1745 #if 0
1746 void vdtree_set_click_func(ViewDirTree *vdt,
1747                            void (*func)(ViewDirTree *vdt, GdkEventButton *event, FileData *fd, gpointer), gpointer data)
1748 {
1749         if (!td) return;
1750         vdt->click_func = func;
1751         vdt->click_data = data;
1752 }
1753 #endif
1754
1755 void vdtree_set_layout(ViewDirTree *vdt, LayoutWindow *layout)
1756 {
1757         vdt->layout = layout;
1758 }
1759