src/view_dir_tree.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  *
   5  * Author: John Ellis
   6  *
   7  * This software is released under the GNU General Public License (GNU GPL).
   8  * Please read the included file COPYING for more information.
   9  * This software comes with no warranty of any kind, use at your own risk!
  10  */
  11
  12 #include "main.h"
  13 #include "view_dir_tree.h"
  14
  15
  16 #include "dnd.h"
  17 #include "dupe.h"
  18 #include "filelist.h"
  19 #include "layout.h"
  20 #include "layout_image.h"
  21 #include "layout_util.h"
  22 #include "utilops.h"
  23 #include "ui_bookmark.h"
  24 #include "ui_fileops.h"
  25 #include "ui_menu.h"
  26 #include "ui_tree_edit.h"
  27 #include "view_dir.h"
  28
  29 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  30
  31
  32 #define VDTREE_INDENT 14
  33 #define VDTREE_PAD 4
  34
  35 #define VDTREE_INFO(_vd_, _part_) (((ViewDirInfoTree *)(_vd_->info))->_part_)
  36
  37
  38 typedef struct _PathData PathData;
  39 struct _PathData
  40 {
  41         gchar *name;
  42         FileData *node;
  43 };
  44
  45 typedef struct _NodeData NodeData;
  46 struct _NodeData
  47 {
  48         FileData *fd;
  49         gint expanded;
  50         time_t last_update;
  51 };
  52
  53
  54 static gint vdtree_populate_path_by_iter(ViewDir *vd, GtkTreeIter *iter, gint force, const gchar *target_path);
  55 static FileData *vdtree_populate_path(ViewDir *vd, const gchar *path, gint expand, gint force);
  56
  57
  58 /*
  59  *----------------------------------------------------------------------------
  60  * utils
  61  *----------------------------------------------------------------------------
  62  */
  63
  64 static void set_cursor(GtkWidget *widget, GdkCursorType cursor_type)
  65 {
  66         GdkCursor *cursor = NULL;
  67
  68         if (!widget || !widget->window) return;
  69
  70         if (cursor_type > -1) cursor = gdk_cursor_new (cursor_type);
  71         gdk_window_set_cursor (widget->window, cursor);
  72         if (cursor) gdk_cursor_unref(cursor);
  73         gdk_flush();
  74 }
  75
  76 static void vdtree_busy_push(ViewDir *vd)
  77 {
  78         if (VDTREE_INFO(vd, busy_ref) == 0) set_cursor(vd->view, GDK_WATCH);
  79         VDTREE_INFO(vd, busy_ref)++;
  80 }
  81
  82 static void vdtree_busy_pop(ViewDir *vd)
  83 {
  84         if (VDTREE_INFO(vd, busy_ref) == 1) set_cursor(vd->view, -1);
  85         if (VDTREE_INFO(vd, busy_ref) > 0) VDTREE_INFO(vd, busy_ref)--;
  86 }
  87
  88 gint vdtree_find_row(ViewDir *vd, FileData *fd, GtkTreeIter *iter, GtkTreeIter *parent)
  89 {
  90         GtkTreeModel *store;
  91         gint valid;
  92
  93         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
  94         if (parent)
  95                 {
  96                 valid = gtk_tree_model_iter_children(store, iter, parent);
  97                 }
  98         else
  99                 {
 100                 valid = gtk_tree_model_get_iter_first(store, iter);
 101                 }
 102         while (valid)
 103                 {
 104                 NodeData *nd;
 105                 GtkTreeIter found;
 106
 107                 gtk_tree_model_get(GTK_TREE_MODEL(store), iter, DIR_COLUMN_POINTER, &nd, -1);
 108                 if (nd->fd == fd) return TRUE;
 109
 110                 if (vdtree_find_row(vd, fd, &found, iter))
 111                         {
 112                         memcpy(iter, &found, sizeof(found));
 113                         return TRUE;
 114                         }
 115
 116                 valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(store), iter);
 117                 }
 118
 119         return FALSE;
 120 }
 121
 122 static void vdtree_icon_set_by_iter(ViewDir *vd, GtkTreeIter *iter, GdkPixbuf *pixbuf)
 123 {
 124         GtkTreeModel *store;
 125         GdkPixbuf *old;
 126
 127         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 128         gtk_tree_model_get(store, iter, DIR_COLUMN_ICON, &old, -1);
 129         if (old != vd->pf->deny)
 130                 {
 131                 gtk_tree_store_set(GTK_TREE_STORE(store), iter, DIR_COLUMN_ICON, pixbuf, -1);
 132                 }
 133 }
 134
 135 static void vdtree_expand_by_iter(ViewDir *vd, GtkTreeIter *iter, gint expand)
 136 {
 137         GtkTreeModel *store;
 138         GtkTreePath *tpath;
 139
 140         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 141         tpath = gtk_tree_model_get_path(store, iter);
 142         if (expand)
 143                 {
 144                 gtk_tree_view_expand_row(GTK_TREE_VIEW(vd->view), tpath, FALSE);
 145                 vdtree_icon_set_by_iter(vd, iter, vd->pf->open);
 146                 }
 147         else
 148                 {
 149                 gtk_tree_view_collapse_row(GTK_TREE_VIEW(vd->view), tpath);
 150                 }
 151         gtk_tree_path_free(tpath);
 152 }
 153
 154 static void vdtree_expand_by_data(ViewDir *vd, FileData *fd, gint expand)
 155 {
 156         GtkTreeIter iter;
 157
 158         if (vdtree_find_row(vd, fd, &iter, NULL))
 159                 {
 160                 vdtree_expand_by_iter(vd, &iter, expand);
 161                 }
 162 }
 163
 164 static gint vdtree_rename_row_cb(TreeEditData *td, const gchar *old, const gchar *new, gpointer data)
 165 {
 166         ViewDir *vd = data;
 167         GtkTreeModel *store;
 168         GtkTreeIter iter;
 169         NodeData *nd;
 170         gchar *old_path;
 171         gchar *new_path;
 172         gchar *base;
 173
 174         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 175         if (!gtk_tree_model_get_iter(store, &iter, td->path)) return FALSE;
 176         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 177         if (!nd) return FALSE;
 178
 179         old_path = g_strdup(nd->fd->path);
 180
 181         base = remove_level_from_path(old_path);
 182         new_path = concat_dir_and_file(base, new);
 183         g_free(base);
 184
 185         if (file_util_rename_dir(nd->fd, new_path, vd->view))
 186                 {
 187                 vdtree_populate_path(vd, new_path, TRUE, TRUE);
 188
 189                 if (vd->layout && strcmp(vd->path, old_path) == 0)
 190                         {
 191                         layout_set_path(vd->layout, new_path);
 192                         }
 193                 }
 194
 195         g_free(old_path);
 196         g_free(new_path);
 197
 198         return FALSE;
 199 }
 200
 201 static void vdtree_rename_by_data(ViewDir *vd, FileData *fd)
 202 {
 203         GtkTreeModel *store;
 204         GtkTreePath *tpath;
 205         GtkTreeIter iter;
 206
 207         if (!fd ||
 208             !vdtree_find_row(vd, fd, &iter, NULL)) return;
 209
 210         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 211         tpath = gtk_tree_model_get_path(store, &iter);
 212
 213         tree_edit_by_path(GTK_TREE_VIEW(vd->view), tpath, 0, fd->name,
 214                           vdtree_rename_row_cb, vd);
 215         gtk_tree_path_free(tpath);
 216 }
 217
 218 static void vdtree_node_free(NodeData *nd)
 219 {
 220         if (!nd) return;
 221
 222         file_data_unref(nd->fd);
 223         g_free(nd);
 224 }
 225
 226 /*
 227  *-----------------------------------------------------------------------------
 228  * pop-up menu
 229  *-----------------------------------------------------------------------------
 230  */
 231
 232 static void vdtree_pop_menu_up_cb(GtkWidget *widget, gpointer data)
 233 {
 234         ViewDir *vd = data;
 235         gchar *path;
 236
 237         if (!vd->path || strcmp(vd->path, "/") == 0) return;
 238         path = remove_level_from_path(vd->path);
 239
 240         if (vd->select_func)
 241                 {
 242                 vd->select_func(vd, path, vd->select_data);
 243                 }
 244
 245         g_free(path);
 246 }
 247
 248 static void vdtree_pop_menu_slide_cb(GtkWidget *widget, gpointer data)
 249 {
 250         ViewDir *vd = data;
 251         gchar *path;
 252
 253         if (!vd->layout) return;
 254
 255         if (!vd->click_fd) return;
 256         path = vd->click_fd->path;
 257
 258         layout_set_path(vd->layout, path);
 259         layout_select_none(vd->layout);
 260         layout_image_slideshow_stop(vd->layout);
 261         layout_image_slideshow_start(vd->layout);
 262 }
 263
 264 static void vdtree_pop_menu_slide_rec_cb(GtkWidget *widget, gpointer data)
 265 {
 266         ViewDir *vd = data;
 267         gchar *path;
 268         GList *list;
 269
 270         if (!vd->layout) return;
 271
 272         if (!vd->click_fd) return;
 273         path = vd->click_fd->path;
 274
 275         list = filelist_recursive(path);
 276
 277         layout_image_slideshow_stop(vd->layout);
 278         layout_image_slideshow_start_from_list(vd->layout, list);
 279 }
 280
 281 static void vdtree_pop_menu_dupe(ViewDir *vd, gint recursive)
 282 {
 283         DupeWindow *dw;
 284         GList *list = NULL;
 285
 286         if (!vd->click_fd) return;
 287
 288         if (recursive)
 289                 {
 290                 list = g_list_append(list, file_data_ref(vd->click_fd));
 291                 }
 292         else
 293                 {
 294                 filelist_read(vd->click_fd->path, &list, NULL);
 295                 list = filelist_filter(list, FALSE);
 296                 }
 297
 298         dw = dupe_window_new(DUPE_MATCH_NAME);
 299         dupe_window_add_files(dw, list, recursive);
 300
 301         filelist_free(list);
 302 }
 303
 304 static void vdtree_pop_menu_dupe_cb(GtkWidget *widget, gpointer data)
 305 {
 306         ViewDir *vd = data;
 307         vdtree_pop_menu_dupe(vd, FALSE);
 308 }
 309
 310 static void vdtree_pop_menu_dupe_rec_cb(GtkWidget *widget, gpointer data)
 311 {
 312         ViewDir *vd = data;
 313         vdtree_pop_menu_dupe(vd, TRUE);
 314 }
 315
 316 static void vdtree_pop_menu_new_cb(GtkWidget *widget, gpointer data)
 317 {
 318         ViewDir *vd = data;
 319         const gchar *path;
 320         gchar *new_path;
 321         gchar *buf;
 322
 323         if (!vd->click_fd) return;
 324         path = vd->click_fd->path;
 325
 326         buf = concat_dir_and_file(path, _("new_folder"));
 327         new_path = unique_filename(buf, NULL, NULL, FALSE);
 328         g_free(buf);
 329         if (!new_path) return;
 330
 331         if (!mkdir_utf8(new_path, 0755))
 332                 {
 333                 gchar *text;
 334
 335                 text = g_strdup_printf(_("Unable to create folder:\n%s"), new_path);
 336                 file_util_warning_dialog(_("Error creating folder"), text, GTK_STOCK_DIALOG_ERROR, vd->view);
 337                 g_free(text);
 338                 }
 339         else
 340                 {
 341                 FileData *fd;
 342
 343                 fd = vdtree_populate_path(vd, new_path, TRUE, TRUE);
 344
 345                 vdtree_rename_by_data(vd, fd);
 346                 }
 347
 348         g_free(new_path);
 349 }
 350
 351 static void vdtree_pop_menu_rename_cb(GtkWidget *widget, gpointer data)
 352 {
 353         ViewDir *vd = data;
 354
 355         vdtree_rename_by_data(vd, vd->click_fd);
 356 }
 357
 358 static void vdtree_pop_menu_delete_cb(GtkWidget *widget, gpointer data)
 359 {
 360         ViewDir *vd = data;
 361
 362         if (!vd->click_fd) return;
 363         file_util_delete_dir(vd->click_fd, vd->widget);
 364 }
 365
 366 static void vdtree_pop_menu_dir_view_as_cb(GtkWidget *widget, gpointer data)
 367 {
 368         ViewDir *vd = data;
 369
 370         if (vd->layout) layout_views_set(vd->layout, DIRVIEW_LIST, vd->layout->icon_view);
 371 }
 372
 373 static void vdtree_pop_menu_refresh_cb(GtkWidget *widget, gpointer data)
 374 {
 375         ViewDir *vd = data;
 376
 377         if (vd->layout) layout_refresh(vd->layout);
 378 }
 379
 380 static void vdtree_toggle_show_hidden_files_cb(GtkWidget *widget, gpointer data)
 381 {
 382         ViewDir *vd = data;
 383
 384         options->file_filter.show_hidden_files = !options->file_filter.show_hidden_files;
 385         if (vd->layout) layout_refresh(vd->layout);
 386 }
 387
 388 static GtkWidget *vdtree_pop_menu(ViewDir *vd, FileData *fd)
 389 {
 390         GtkWidget *menu;
 391         gint active;
 392         gint parent_active = FALSE;
 393
 394         active = (fd != NULL);
 395         if (fd)
 396                 {
 397                 gchar *parent;
 398
 399                 parent = remove_level_from_path(fd->path);
 400                 parent_active = access_file(parent, W_OK | X_OK);
 401                 g_free(parent);
 402                 }
 403
 404         menu = popup_menu_short_lived();
 405         g_signal_connect(G_OBJECT(menu), "destroy",
 406                          G_CALLBACK(vd_popup_destroy_cb), vd);
 407
 408         menu_item_add_stock_sensitive(menu, _("_Up to parent"), GTK_STOCK_GO_UP,
 409                                       (vd->path && strcmp(vd->path, "/") != 0),
 410                                       G_CALLBACK(vdtree_pop_menu_up_cb), vd);
 411
 412         menu_item_add_divider(menu);
 413         menu_item_add_sensitive(menu, _("_Slideshow"), active,
 414                                 G_CALLBACK(vdtree_pop_menu_slide_cb), vd);
 415         menu_item_add_sensitive(menu, _("Slideshow recursive"), active,
 416                                 G_CALLBACK(vdtree_pop_menu_slide_rec_cb), vd);
 417
 418         menu_item_add_divider(menu);
 419         menu_item_add_stock_sensitive(menu, _("Find _duplicates..."), GTK_STOCK_FIND, active,
 420                                       G_CALLBACK(vdtree_pop_menu_dupe_cb), vd);
 421         menu_item_add_stock_sensitive(menu, _("Find duplicates recursive..."), GTK_STOCK_FIND, active,
 422                                       G_CALLBACK(vdtree_pop_menu_dupe_rec_cb), vd);
 423
 424         menu_item_add_divider(menu);
 425
 426         active = (fd &&
 427                   access_file(fd->path, W_OK | X_OK));
 428         menu_item_add_sensitive(menu, _("_New folder..."), active,
 429                                 G_CALLBACK(vdtree_pop_menu_new_cb), vd);
 430
 431         menu_item_add_sensitive(menu, _("_Rename..."), parent_active,
 432                                 G_CALLBACK(vdtree_pop_menu_rename_cb), vd);
 433         menu_item_add_stock_sensitive(menu, _("_Delete..."), GTK_STOCK_DELETE, parent_active,
 434                                       G_CALLBACK(vdtree_pop_menu_delete_cb), vd);
 435
 436         menu_item_add_divider(menu);
 437         menu_item_add_check(menu, _("View as _tree"), TRUE,
 438                             G_CALLBACK(vdtree_pop_menu_dir_view_as_cb), vd);
 439         menu_item_add_check(menu, _("Show _hidden files"), options->file_filter.show_hidden_files,
 440                             G_CALLBACK(vdtree_toggle_show_hidden_files_cb), vd);
 441
 442         menu_item_add_stock(menu, _("Re_fresh"), GTK_STOCK_REFRESH,
 443                             G_CALLBACK(vdtree_pop_menu_refresh_cb), vd);
 444
 445         return menu;
 446 }
 447
 448 /*
 449  *----------------------------------------------------------------------------
 450  * dnd
 451  *----------------------------------------------------------------------------
 452  */
 453
 454 static GtkTargetEntry vdtree_dnd_drop_types[] = {
 455         { "text/uri-list", 0, TARGET_URI_LIST }
 456 };
 457 static gint vdtree_dnd_drop_types_count = 1;
 458
 459
 460 static void vdtree_dest_set(ViewDir *vd, gint enable)
 461 {
 462         if (enable)
 463                 {
 464                 gtk_drag_dest_set(vd->view,
 465                                   GTK_DEST_DEFAULT_MOTION | GTK_DEST_DEFAULT_DROP,
 466                                   vdtree_dnd_drop_types, vdtree_dnd_drop_types_count,
 467                                   GDK_ACTION_MOVE | GDK_ACTION_COPY);
 468                 }
 469         else
 470                 {
 471                 gtk_drag_dest_unset(vd->view);
 472                 }
 473 }
 474
 475 static void vdtree_dnd_get(GtkWidget *widget, GdkDragContext *context,
 476                            GtkSelectionData *selection_data, guint info,
 477                            guint time, gpointer data)
 478 {
 479         ViewDir *vd = data;
 480         GList *list;
 481         gchar *uri_text = NULL;
 482         gint length = 0;
 483
 484         if (!vd->click_fd) return;
 485
 486         switch (info)
 487                 {
 488                 case TARGET_URI_LIST:
 489                 case TARGET_TEXT_PLAIN:
 490                         list = g_list_prepend(NULL, vd->click_fd);
 491                         uri_text = uri_text_from_filelist(list, &length, (info == TARGET_TEXT_PLAIN));
 492                         g_list_free(list);
 493                         break;
 494                 }
 495
 496         if (uri_text)
 497                 {
 498                 gtk_selection_data_set(selection_data, selection_data->target,
 499                                        8, (guchar *)uri_text, length);
 500                 g_free(uri_text);
 501                 }
 502 }
 503
 504 static void vdtree_dnd_begin(GtkWidget *widget, GdkDragContext *context, gpointer data)
 505 {
 506         ViewDir *vd = data;
 507
 508         vd_color_set(vd, vd->click_fd, TRUE);
 509         vdtree_dest_set(vd, FALSE);
 510 }
 511
 512 static void vdtree_dnd_end(GtkWidget *widget, GdkDragContext *context, gpointer data)
 513 {
 514         ViewDir *vd = data;
 515
 516         vd_color_set(vd, vd->click_fd, FALSE);
 517         vdtree_dest_set(vd, TRUE);
 518 }
 519
 520 static void vdtree_dnd_drop_receive(GtkWidget *widget,
 521                                     GdkDragContext *context, gint x, gint y,
 522                                     GtkSelectionData *selection_data, guint info,
 523                                     guint time, gpointer data)
 524 {
 525         ViewDir *vd = data;
 526         GtkTreePath *tpath;
 527         GtkTreeIter iter;
 528         FileData *fd = NULL;
 529
 530         vd->click_fd = NULL;
 531
 532         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), x, y,
 533                                           &tpath, NULL, NULL, NULL))
 534                 {
 535                 GtkTreeModel *store;
 536                 NodeData *nd;
 537
 538                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 539                 gtk_tree_model_get_iter(store, &iter, tpath);
 540                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 541                 gtk_tree_path_free(tpath);
 542
 543                 fd = (nd) ? nd->fd : NULL;
 544                 }
 545
 546         if (!fd) return;
 547
 548         if (info == TARGET_URI_LIST)
 549                 {
 550                 GList *list;
 551                 gint active;
 552
 553                 list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
 554                 if (!list) return;
 555
 556                 active = access_file(fd->path, W_OK | X_OK);
 557
 558                 vd_color_set(vd, fd, TRUE);
 559                 vd->popup = vd_drop_menu(vd, active);
 560                 gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, NULL, NULL, 0, time);
 561
 562                 vd->drop_fd = fd;
 563                 vd->drop_list = list;
 564                 }
 565 }
 566
 567 static gint vdtree_dnd_drop_expand_cb(gpointer data)
 568 {
 569         ViewDir *vd = data;
 570         GtkTreeIter iter;
 571
 572         if (vd->drop_fd &&
 573             vdtree_find_row(vd, vd->drop_fd, &iter, NULL))
 574                 {
 575                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->path);
 576                 vdtree_expand_by_data(vd, vd->drop_fd, TRUE);
 577                 }
 578
 579         VDTREE_INFO(vd, drop_expand_id) = -1;
 580         return FALSE;
 581 }
 582
 583 static void vdtree_dnd_drop_expand_cancel(ViewDir *vd)
 584 {
 585         if (VDTREE_INFO(vd, drop_expand_id) != -1) g_source_remove(VDTREE_INFO(vd, drop_expand_id));
 586         VDTREE_INFO(vd, drop_expand_id) = -1;
 587 }
 588
 589 static void vdtree_dnd_drop_expand(ViewDir *vd)
 590 {
 591         vdtree_dnd_drop_expand_cancel(vd);
 592         VDTREE_INFO(vd, drop_expand_id) = g_timeout_add(1000, vdtree_dnd_drop_expand_cb, vd);
 593 }
 594
 595 static void vdtree_drop_update(ViewDir *vd, gint x, gint y)
 596 {
 597         GtkTreePath *tpath;
 598         GtkTreeIter iter;
 599         FileData *fd = NULL;
 600
 601         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(vd->view), x, y,
 602                                           &tpath, NULL, NULL, NULL))
 603                 {
 604                 GtkTreeModel *store;
 605                 NodeData *nd;
 606
 607                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 608                 gtk_tree_model_get_iter(store, &iter, tpath);
 609                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 610                 gtk_tree_path_free(tpath);
 611
 612                 fd = (nd) ? nd->fd : NULL;
 613                 }
 614
 615         if (fd != vd->drop_fd)
 616                 {
 617                 vd_color_set(vd, vd->drop_fd, FALSE);
 618                 vd_color_set(vd, fd, TRUE);
 619                 if (fd) vdtree_dnd_drop_expand(vd);
 620                 }
 621
 622         vd->drop_fd = fd;
 623 }
 624
 625 static void vdtree_dnd_drop_scroll_cancel(ViewDir *vd)
 626 {
 627         if (vd->drop_scroll_id != -1) g_source_remove(vd->drop_scroll_id);
 628         vd->drop_scroll_id = -1;
 629 }
 630
 631 static gint vdtree_auto_scroll_idle_cb(gpointer data)
 632 {
 633         ViewDir *vd = data;
 634
 635         if (vd->drop_fd)
 636                 {
 637                 GdkWindow *window;
 638                 gint x, y;
 639                 gint w, h;
 640
 641                 window = vd->view->window;
 642                 gdk_window_get_pointer(window, &x, &y, NULL);
 643                 gdk_drawable_get_size(window, &w, &h);
 644                 if (x >= 0 && x < w && y >= 0 && y < h)
 645                         {
 646                         vdtree_drop_update(vd, x, y);
 647                         }
 648                 }
 649
 650         vd->drop_scroll_id = -1;
 651         return FALSE;
 652 }
 653
 654 static gint vdtree_auto_scroll_notify_cb(GtkWidget *widget, gint x, gint y, gpointer data)
 655 {
 656         ViewDir *vd = data;
 657
 658         if (!vd->drop_fd || vd->drop_list) return FALSE;
 659
 660         if (vd->drop_scroll_id == -1) vd->drop_scroll_id = g_idle_add(vdtree_auto_scroll_idle_cb, vd);
 661
 662         return TRUE;
 663 }
 664
 665 static gint vdtree_dnd_drop_motion(GtkWidget *widget, GdkDragContext *context,
 666                                    gint x, gint y, guint time, gpointer data)
 667 {
 668         ViewDir *vd = data;
 669
 670         vd->click_fd = NULL;
 671
 672         if (gtk_drag_get_source_widget(context) == vd->view)
 673                 {
 674                 gdk_drag_status(context, 0, time);
 675                 return TRUE;
 676                 }
 677         else
 678                 {
 679                 gdk_drag_status(context, context->suggested_action, time);
 680                 }
 681
 682         vdtree_drop_update(vd, x, y);
 683
 684         if (vd->drop_fd)
 685                 {
 686                 GtkAdjustment *adj = gtk_tree_view_get_vadjustment(GTK_TREE_VIEW(vd->view));
 687                 widget_auto_scroll_start(vd->view, adj, -1, -1, vdtree_auto_scroll_notify_cb, vd);
 688                 }
 689
 690         return FALSE;
 691 }
 692
 693 static void vdtree_dnd_drop_leave(GtkWidget *widget, GdkDragContext *context, guint time, gpointer data)
 694 {
 695         ViewDir *vd = data;
 696
 697         if (vd->drop_fd != vd->click_fd) vd_color_set(vd, vd->drop_fd, FALSE);
 698
 699         vd->drop_fd = NULL;
 700
 701         vdtree_dnd_drop_expand_cancel(vd);
 702 }
 703
 704 static void vdtree_dnd_init(ViewDir *vd)
 705 {
 706         gtk_drag_source_set(vd->view, GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
 707                             dnd_file_drag_types, dnd_file_drag_types_count,
 708                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_ASK);
 709         g_signal_connect(G_OBJECT(vd->view), "drag_data_get",
 710                          G_CALLBACK(vdtree_dnd_get), vd);
 711         g_signal_connect(G_OBJECT(vd->view), "drag_begin",
 712                          G_CALLBACK(vdtree_dnd_begin), vd);
 713         g_signal_connect(G_OBJECT(vd->view), "drag_end",
 714                          G_CALLBACK(vdtree_dnd_end), vd);
 715
 716         vdtree_dest_set(vd, TRUE);
 717         g_signal_connect(G_OBJECT(vd->view), "drag_data_received",
 718                          G_CALLBACK(vdtree_dnd_drop_receive), vd);
 719         g_signal_connect(G_OBJECT(vd->view), "drag_motion",
 720                          G_CALLBACK(vdtree_dnd_drop_motion), vd);
 721         g_signal_connect(G_OBJECT(vd->view), "drag_leave",
 722                          G_CALLBACK(vdtree_dnd_drop_leave), vd);
 723 }
 724
 725 /*
 726  *----------------------------------------------------------------------------
 727  * parts lists
 728  *----------------------------------------------------------------------------
 729  */
 730
 731 static GList *parts_list(const gchar *path)
 732 {
 733         GList *list = NULL;
 734         const gchar *strb, *strp;
 735         gint l;
 736
 737         strp = path;
 738
 739         if (*strp != '/') return NULL;
 740
 741         strp++;
 742         strb = strp;
 743         l = 0;
 744
 745         while (*strp != '\0')
 746                 {
 747                 if (*strp == '/')
 748                         {
 749                         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 750                         strp++;
 751                         strb = strp;
 752                         l = 0;
 753                         }
 754                 else
 755                         {
 756                         strp++;
 757                         l++;
 758                         }
 759                 }
 760         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 761
 762         list = g_list_reverse(list);
 763
 764         list = g_list_prepend(list, g_strdup("/"));
 765
 766         return list;
 767 }
 768
 769 static void parts_list_free(GList *list)
 770 {
 771         GList *work = list;
 772         while (work)
 773                 {
 774                 PathData *pd = work->data;
 775                 g_free(pd->name);
 776                 g_free(pd);
 777                 work = work->next;
 778                 }
 779
 780         g_list_free(list);
 781 }
 782
 783 static GList *parts_list_add_node_points(ViewDir *vd, GList *list)
 784 {
 785         GList *work;
 786         GtkTreeModel *store;
 787         GtkTreeIter iter;
 788         gint valid;
 789
 790         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 791         valid = gtk_tree_model_get_iter_first(store, &iter);
 792
 793         work = list;
 794         while (work)
 795                 {
 796                 PathData *pd;
 797                 FileData *fd = NULL;
 798
 799                 pd = g_new0(PathData, 1);
 800                 pd->name = work->data;
 801
 802                 while (valid && !fd)
 803                         {
 804                         NodeData *nd;
 805
 806                         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 807                         if (strcmp(nd->fd->name, pd->name) == 0)
 808                                 {
 809                                 fd = nd->fd;
 810                                 }
 811                         else
 812                                 {
 813                                 valid = gtk_tree_model_iter_next(store, &iter);
 814                                 }
 815                         }
 816
 817                 pd->node = fd;
 818                 work->data = pd;
 819
 820                 if (fd)
 821                         {
 822                         GtkTreeIter parent;
 823                         memcpy(&parent, &iter, sizeof(parent));
 824                         valid = gtk_tree_model_iter_children(store, &iter, &parent);
 825                         }
 826
 827                 work = work->next;
 828                 }
 829
 830         return list;
 831 }
 832
 833 /*
 834  *----------------------------------------------------------------------------
 835  * misc
 836  *----------------------------------------------------------------------------
 837  */
 838
 839 #if 0
 840 static void vdtree_row_deleted_cb(GtkTreeModel *tree_model, GtkTreePath *tpath, gpointer data)
 841 {
 842         GtkTreeIter iter;
 843         NodeData *nd;
 844
 845         gtk_tree_model_get_iter(tree_model, &iter, tpath);
 846         gtk_tree_model_get(tree_model, &iter, DIR_COLUMN_POINTER, &nd, -1);
 847
 848         if (!nd) return;
 849
 850         file_data_unref(nd->fd);
 851         g_free(nd);
 852 }
 853 #endif
 854
 855 /*
 856  *----------------------------------------------------------------------------
 857  * node traversal, management
 858  *----------------------------------------------------------------------------
 859  */
 860
 861 static gint vdtree_find_iter_by_data(ViewDir *vd, GtkTreeIter *parent, NodeData *nd, GtkTreeIter *iter)
 862 {
 863         GtkTreeModel *store;
 864
 865         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 866         if (!nd || !gtk_tree_model_iter_children(store, iter, parent)) return -1;
 867         do      {
 868                 NodeData *cnd;
 869
 870                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &cnd, -1);
 871                 if (cnd == nd) return TRUE;
 872                 } while (gtk_tree_model_iter_next(store, iter));
 873
 874         return FALSE;
 875 }
 876
 877 static NodeData *vdtree_find_iter_by_name(ViewDir *vd, GtkTreeIter *parent, const gchar *name, GtkTreeIter *iter)
 878 {
 879         GtkTreeModel *store;
 880
 881         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 882         if (!name || !gtk_tree_model_iter_children(store, iter, parent)) return NULL;
 883         do      {
 884                 NodeData *nd;
 885
 886                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 887                 if (nd && strcmp(nd->fd->name, name) == 0) return nd;
 888                 } while (gtk_tree_model_iter_next(store, iter));
 889
 890         return NULL;
 891 }
 892
 893 static void vdtree_add_by_data(ViewDir *vd, FileData *fd, GtkTreeIter *parent)
 894 {
 895         GtkTreeStore *store;
 896         GtkTreeIter child;
 897         NodeData *nd;
 898         GdkPixbuf *pixbuf;
 899         NodeData *end;
 900         GtkTreeIter empty;
 901
 902         if (!fd) return;
 903
 904         if (access_file(fd->path, R_OK | X_OK))
 905                 {
 906                 pixbuf = vd->pf->close;
 907                 }
 908         else
 909                 {
 910                 pixbuf = vd->pf->deny;
 911                 }
 912
 913         nd = g_new0(NodeData, 1);
 914         nd->fd = fd;
 915         nd->expanded = FALSE;
 916         nd->last_update = time(NULL);
 917
 918         store = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view)));
 919         gtk_tree_store_append(store, &child, parent);
 920         gtk_tree_store_set(store, &child, DIR_COLUMN_POINTER, nd,
 921                                          DIR_COLUMN_ICON, pixbuf,
 922                                          DIR_COLUMN_NAME, nd->fd->name,
 923                                          DIR_COLUMN_COLOR, FALSE, -1);
 924
 925         /* all nodes are created with an "empty" node, so that the expander is shown
 926          * this is removed when the child is populated */
 927         end = g_new0(NodeData, 1);
 928         end->fd = file_data_new_simple("");
 929         end->expanded = TRUE;
 930
 931         gtk_tree_store_append(store, &empty, &child);
 932         gtk_tree_store_set(store, &empty, DIR_COLUMN_POINTER, end,
 933                                           DIR_COLUMN_NAME, "empty", -1);
 934
 935         if (parent)
 936                 {
 937                 NodeData *pnd;
 938                 GtkTreePath *tpath;
 939
 940                 gtk_tree_model_get(GTK_TREE_MODEL(store), parent, DIR_COLUMN_POINTER, &pnd, -1);
 941                 tpath = gtk_tree_model_get_path(GTK_TREE_MODEL(store), parent);
 942                 if (options->tree_descend_subdirs &&
 943                     gtk_tree_view_row_expanded(GTK_TREE_VIEW(vd->view), tpath) &&
 944                     !nd->expanded)
 945                         {
 946                         vdtree_populate_path_by_iter(vd, &child, FALSE, vd->path);
 947                         }
 948                 gtk_tree_path_free(tpath);
 949                 }
 950 }
 951
 952 static gint vdtree_populate_path_by_iter(ViewDir *vd, GtkTreeIter *iter, gint force, const gchar *target_path)
 953 {
 954         GtkTreeModel *store;
 955         GList *list;
 956         GList *work;
 957         GList *old;
 958         time_t current_time;
 959         GtkTreeIter child;
 960         NodeData *nd;
 961
 962         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
 963         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 964
 965         if (!nd) return FALSE;
 966
 967         current_time = time(NULL);
 968
 969         if (nd->expanded)
 970                 {
 971                 if (!force && current_time - nd->last_update < 10) return TRUE;
 972                 if (!isdir(nd->fd->path))
 973                         {
 974                         if (vd->click_fd == nd->fd) vd->click_fd = NULL;
 975                         if (vd->drop_fd == nd->fd) vd->drop_fd = NULL;
 976                         gtk_tree_store_remove(GTK_TREE_STORE(store), iter);
 977                         vdtree_node_free(nd);
 978                         return FALSE;
 979                         }
 980                 if (!force && filetime(nd->fd->path) == nd->fd->date) return TRUE;
 981                 }
 982
 983         vdtree_busy_push(vd);
 984
 985         list = NULL;
 986         filelist_read(nd->fd->path, NULL, &list);
 987
 988         /* when hidden files are not enabled, and the user enters a hidden path,
 989          * allow the tree to display that path by specifically inserting the hidden entries
 990          */
 991         if (!options->file_filter.show_hidden_files &&
 992             target_path &&
 993             strncmp(nd->fd->path, target_path, strlen(nd->fd->path)) == 0)
 994                 {
 995                 gint n;
 996
 997                 n = strlen(nd->fd->path);
 998                 if (target_path[n] == '/' && target_path[n+1] == '.')
 999                         {
1000                         gchar *name8;
1001                         struct stat sbuf;
1002
1003                         n++;
1004
1005                         while (target_path[n] != '\0' && target_path[n] != '/') n++;
1006                         name8 = g_strndup(target_path, n);
1007
1008                         if (stat_utf8(name8, &sbuf))
1009                                 {
1010                                 list = g_list_prepend(list, file_data_new_simple(name8));
1011                                 }
1012
1013                         g_free(name8);
1014                         }
1015                 }
1016
1017         old = NULL;
1018         if (gtk_tree_model_iter_children(store, &child, iter))
1019                 {
1020                 do      {
1021                         NodeData *cnd;
1022
1023                         gtk_tree_model_get(store, &child, DIR_COLUMN_POINTER, &cnd, -1);
1024                         old = g_list_prepend(old, cnd);
1025                         } while (gtk_tree_model_iter_next(store, &child));
1026                 }
1027
1028         work = list;
1029         while (work)
1030                 {
1031                 FileData *fd;
1032
1033                 fd = work->data;
1034                 work = work->next;
1035
1036                 if (strcmp(fd->name, ".") == 0 || strcmp(fd->name, "..") == 0)
1037                         {
1038                         file_data_unref(fd);
1039                         }
1040                 else
1041                         {
1042                         NodeData *cnd;
1043
1044                         cnd = vdtree_find_iter_by_name(vd, iter, fd->name, &child);
1045                         if (cnd)
1046                                 {
1047                                 old = g_list_remove(old, cnd);
1048                                 if (cnd->expanded && cnd->fd->date != fd->date &&
1049                                     vdtree_populate_path_by_iter(vd, &child, FALSE, target_path))
1050                                         {
1051                                         cnd->fd->size = fd->size;
1052                                         cnd->fd->date = fd->date;
1053                                         }
1054
1055                                 file_data_unref(fd);
1056                                 }
1057                         else
1058                                 {
1059                                 vdtree_add_by_data(vd, fd, iter);
1060                                 }
1061                         }
1062                 }
1063
1064         work = old;
1065         while (work)
1066                 {
1067                 NodeData *cnd = work->data;
1068                 work = work->next;
1069
1070                 if (vd->click_fd == cnd->fd) vd->click_fd = NULL;
1071                 if (vd->drop_fd == cnd->fd) vd->drop_fd = NULL;
1072
1073                 if (vdtree_find_iter_by_data(vd, iter, cnd, &child))
1074                         {
1075                         gtk_tree_store_remove(GTK_TREE_STORE(store), &child);
1076                         vdtree_node_free(cnd);
1077                         }
1078                 }
1079
1080         g_list_free(old);
1081         g_list_free(list);
1082
1083         vdtree_busy_pop(vd);
1084
1085         nd->expanded = TRUE;
1086         nd->last_update = current_time;
1087
1088         return TRUE;
1089 }
1090
1091 static FileData *vdtree_populate_path(ViewDir *vd, const gchar *path, gint expand, gint force)
1092 {
1093         GList *list;
1094         GList *work;
1095         FileData *fd = NULL;
1096
1097         if (!path) return NULL;
1098
1099         vdtree_busy_push(vd);
1100
1101         list = parts_list(path);
1102         list = parts_list_add_node_points(vd, list);
1103
1104         work = list;
1105         while (work)
1106                 {
1107                 PathData *pd = work->data;
1108                 if (pd->node == NULL)
1109                         {
1110                         PathData *parent_pd;
1111                         GtkTreeIter parent_iter;
1112                         GtkTreeIter iter;
1113                         NodeData *nd;
1114
1115                         if (work == list)
1116                                 {
1117                                 /* should not happen */
1118                                 printf("vdtree warning, root node not found\n");
1119                                 parts_list_free(list);
1120                                 vdtree_busy_pop(vd);
1121                                 return NULL;
1122                                 }
1123
1124                         parent_pd = work->prev->data;
1125
1126                         if (!vdtree_find_row(vd, parent_pd->node, &parent_iter, NULL) ||
1127                             !vdtree_populate_path_by_iter(vd, &parent_iter, force, path) ||
1128                             (nd = vdtree_find_iter_by_name(vd, &parent_iter, pd->name, &iter)) == NULL)
1129                                 {
1130                                 printf("vdtree warning, aborted at %s\n", parent_pd->name);
1131                                 parts_list_free(list);
1132                                 vdtree_busy_pop(vd);
1133                                 return NULL;
1134                                 }
1135
1136                         pd->node = nd->fd;
1137
1138                         if (pd->node)
1139                                 {
1140                                 if (expand)
1141                                         {
1142                                         vdtree_expand_by_iter(vd, &parent_iter, TRUE);
1143                                         vdtree_expand_by_iter(vd, &iter, TRUE);
1144                                         }
1145                                 vdtree_populate_path_by_iter(vd, &iter, force, path);
1146                                 }
1147                         }
1148                 else
1149                         {
1150                         GtkTreeIter iter;
1151
1152                         if (vdtree_find_row(vd, pd->node, &iter, NULL))
1153                                 {
1154                                 if (expand) vdtree_expand_by_iter(vd, &iter, TRUE);
1155                                 vdtree_populate_path_by_iter(vd, &iter, force, path);
1156                                 }
1157                         }
1158
1159                 work = work->next;
1160                 }
1161
1162         work = g_list_last(list);
1163         if (work)
1164                 {
1165                 PathData *pd = work->data;
1166                 fd = pd->node;
1167                 }
1168         parts_list_free(list);
1169
1170         vdtree_busy_pop(vd);
1171
1172         return fd;
1173 }
1174
1175 /*
1176  *----------------------------------------------------------------------------
1177  * access
1178  *----------------------------------------------------------------------------
1179  */
1180
1181 static gint selection_is_ok = FALSE;
1182
1183 static gboolean vdtree_select_cb(GtkTreeSelection *selection, GtkTreeModel *store, GtkTreePath *tpath,
1184                                  gboolean path_currently_selected, gpointer data)
1185 {
1186         return selection_is_ok;
1187 }
1188
1189 static void vdtree_select_row(ViewDir *vd, FileData *fd)
1190 {
1191         GtkTreeSelection *selection;
1192         GtkTreeIter iter;
1193
1194         if (!vdtree_find_row(vd, fd, &iter, NULL)) return;
1195         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vd->view));
1196
1197         /* hack, such that selection is only allowed to be changed from here */
1198         selection_is_ok = TRUE;
1199         gtk_tree_selection_select_iter(selection, &iter);
1200         selection_is_ok = FALSE;
1201
1202         if (!vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->path)) return;
1203
1204         vdtree_expand_by_iter(vd, &iter, TRUE);
1205
1206         if (fd && vd->select_func)
1207                 {
1208                 vd->select_func(vd, fd->path, vd->select_data);
1209                 }
1210 }
1211
1212 gint vdtree_set_path(ViewDir *vd, const gchar *path)
1213 {
1214         FileData *fd;
1215         GtkTreeIter iter;
1216
1217         if (!path) return FALSE;
1218         if (vd->path && strcmp(path, vd->path) == 0) return TRUE;
1219
1220         g_free(vd->path);
1221         vd->path = g_strdup(path);
1222
1223         fd = vdtree_populate_path(vd, vd->path, TRUE, FALSE);
1224
1225         if (!fd) return FALSE;
1226
1227         if (vdtree_find_row(vd, fd, &iter, NULL))
1228                 {
1229                 GtkTreeModel *store;
1230                 GtkTreePath *tpath;
1231
1232                 tree_view_row_make_visible(GTK_TREE_VIEW(vd->view), &iter, TRUE);
1233
1234                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
1235                 tpath = gtk_tree_model_get_path(store, &iter);
1236                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(vd->view), tpath, NULL, FALSE);
1237                 gtk_tree_path_free(tpath);
1238
1239                 vdtree_select_row(vd, fd);
1240                 }
1241
1242         return TRUE;
1243 }
1244
1245 #if 0
1246 const gchar *vdtree_get_path(ViewDir *vd)
1247 {
1248         return vd->path;
1249 }
1250 #endif
1251
1252 void vdtree_refresh(ViewDir *vd)
1253 {
1254         vdtree_populate_path(vd, vd->path, FALSE, TRUE);
1255 }
1256
1257 const gchar *vdtree_row_get_path(ViewDir *vd, gint row)
1258 {
1259         printf("FIXME: no get row path\n");
1260         return NULL;
1261 }
1262
1263 /*
1264  *----------------------------------------------------------------------------
1265  * callbacks
1266  *----------------------------------------------------------------------------
1267  */
1268
1269 static void vdtree_menu_position_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
1270 {
1271         ViewDir *vd = data;
1272         GtkTreeModel *store;
1273         GtkTreeIter iter;
1274         GtkTreePath *tpath;
1275         gint cw, ch;
1276
1277         if (vdtree_find_row(vd, vd->click_fd, &iter, NULL) < 0) return;
1278         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
1279         tpath = gtk_tree_model_get_path(store, &iter);
1280         tree_view_get_cell_clamped(GTK_TREE_VIEW(vd->view), tpath, 0, TRUE, x, y, &cw, &ch);
1281         gtk_tree_path_free(tpath);
1282         *y += ch;
1283         popup_menu_position_clamp(menu, x, y, 0);
1284 }
1285
1286 static gint vdtree_press_key_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1287 {
1288         ViewDir *vd = data;
1289         GtkTreePath *tpath;
1290         GtkTreeIter iter;
1291         FileData *fd = NULL;
1292
1293         gtk_tree_view_get_cursor(GTK_TREE_VIEW(vd->view), &tpath, NULL);
1294         if (tpath)
1295                 {
1296                 GtkTreeModel *store;
1297                 NodeData *nd;
1298
1299                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
1300                 gtk_tree_model_get_iter(store, &iter, tpath);
1301                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1302
1303                 gtk_tree_path_free(tpath);
1304
1305                 fd = (nd) ? nd->fd : NULL;
1306                 }
1307
1308         switch (event->keyval)
1309                 {
1310                 case GDK_Menu:
1311                         vd->click_fd = fd;
1312                         vd_color_set(vd, vd->click_fd, TRUE);
1313
1314                         vd->popup = vdtree_pop_menu(vd, vd->click_fd);
1315                         gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, vdtree_menu_position_cb, vd, 0, GDK_CURRENT_TIME);
1316
1317                         return TRUE;
1318                         break;
1319                 case GDK_plus:
1320                 case GDK_Right:
1321                 case GDK_KP_Add:
1322                         if (fd)
1323                                 {
1324                                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->path);
1325                                 vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
1326                                 }
1327                         break;
1328                 }
1329
1330         return FALSE;
1331 }
1332
1333 static gint vdtree_clicked_on_expander(GtkTreeView *treeview, GtkTreePath *tpath,
1334                                        GtkTreeViewColumn *column, gint x, gint y, gint *left_of_expander)
1335 {
1336         gint depth;
1337         gint size;
1338         gint sep;
1339         gint exp_width;
1340
1341         if (column != gtk_tree_view_get_expander_column(treeview)) return FALSE;
1342
1343         gtk_widget_style_get(GTK_WIDGET(treeview), "expander-size", &size, "horizontal-separator", &sep, NULL);
1344         depth = gtk_tree_path_get_depth(tpath);
1345
1346         exp_width = sep + size + sep;
1347
1348         if (x <= depth * exp_width)
1349                 {
1350                 if (left_of_expander) *left_of_expander = !(x >= (depth - 1) * exp_width);
1351                 return TRUE;
1352                 }
1353
1354         return FALSE;
1355 }
1356
1357 static gint vdtree_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1358 {
1359         ViewDir *vd = data;
1360         GtkTreePath *tpath;
1361         GtkTreeViewColumn *column;
1362         GtkTreeIter iter;
1363         NodeData *nd = NULL;
1364
1365         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
1366                                           &tpath, &column, NULL, NULL))
1367                 {
1368                 GtkTreeModel *store;
1369                 gint left_of_expander;
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                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, NULL, FALSE);
1375
1376                 if (vdtree_clicked_on_expander(GTK_TREE_VIEW(widget), tpath, column, bevent->x, bevent->y, &left_of_expander))
1377                         {
1378                         vd->click_fd = NULL;
1379
1380                         /* clicking this region should automatically reveal an expander, if necessary
1381                          * treeview bug: the expander will not expand until a button_motion_event highlights it.
1382                          */
1383                         if (bevent->button == 1 &&
1384                             !left_of_expander &&
1385                             !gtk_tree_view_row_expanded(GTK_TREE_VIEW(vd->view), tpath))
1386                                 {
1387                                 vdtree_populate_path_by_iter(vd, &iter, FALSE, vd->path);
1388                                 vdtree_icon_set_by_iter(vd, &iter, vd->pf->open);
1389                                 }
1390
1391                         gtk_tree_path_free(tpath);
1392                         return FALSE;
1393                         }
1394
1395                 gtk_tree_path_free(tpath);
1396                 }
1397
1398         vd->click_fd = (nd) ? nd->fd : NULL;
1399         vd_color_set(vd, vd->click_fd, TRUE);
1400
1401         if (bevent->button == 3)
1402                 {
1403                 vd->popup = vdtree_pop_menu(vd, vd->click_fd);
1404                 gtk_menu_popup(GTK_MENU(vd->popup), NULL, NULL, NULL, NULL,
1405                                bevent->button, bevent->time);
1406                 }
1407
1408         return (bevent->button != 1);
1409 }
1410
1411 static gint vdtree_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1412 {
1413         ViewDir *vd = data;
1414         GtkTreePath *tpath;
1415         GtkTreeIter iter;
1416         NodeData *nd = NULL;
1417
1418         if (!vd->click_fd) return FALSE;
1419         vd_color_set(vd, vd->click_fd, FALSE);
1420
1421         if (bevent->button != 1) return TRUE;
1422
1423         if ((bevent->x != 0 || bevent->y != 0) &&
1424             gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
1425                                           &tpath, NULL, NULL, NULL))
1426                 {
1427                 GtkTreeModel *store;
1428
1429                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
1430                 gtk_tree_model_get_iter(store, &iter, tpath);
1431                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1432                 gtk_tree_path_free(tpath);
1433                 }
1434
1435         if (nd && vd->click_fd == nd->fd)
1436                 {
1437                 vdtree_select_row(vd, vd->click_fd);
1438                 }
1439
1440         return FALSE;
1441 }
1442
1443 static void vdtree_row_expanded(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
1444 {
1445         ViewDir *vd = data;
1446
1447         vdtree_populate_path_by_iter(vd, iter, FALSE, NULL);
1448         vdtree_icon_set_by_iter(vd, iter, vd->pf->open);
1449 }
1450
1451 static void vdtree_row_collapsed(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
1452 {
1453         ViewDir *vd = data;
1454
1455         vdtree_icon_set_by_iter(vd, iter, vd->pf->close);
1456 }
1457
1458 static gint vdtree_sort_cb(GtkTreeModel *store, GtkTreeIter *a, GtkTreeIter *b, gpointer data)
1459 {
1460         NodeData *nda;
1461         NodeData *ndb;
1462
1463         gtk_tree_model_get(store, a, DIR_COLUMN_POINTER, &nda, -1);
1464         gtk_tree_model_get(store, b, DIR_COLUMN_POINTER, &ndb, -1);
1465
1466         return CASE_SORT(nda->fd->name, ndb->fd->name);
1467 }
1468
1469 /*
1470  *----------------------------------------------------------------------------
1471  * core
1472  *----------------------------------------------------------------------------
1473  */
1474
1475 static void vdtree_setup_root(ViewDir *vd)
1476 {
1477         const gchar *path = "/";
1478         FileData *fd;
1479
1480
1481         fd = file_data_new_simple(path);
1482         vdtree_add_by_data(vd, fd, NULL);
1483
1484         vdtree_expand_by_data(vd, fd, TRUE);
1485         vdtree_populate_path(vd, path, FALSE, FALSE);
1486 }
1487
1488 static void vdtree_activate_cb(GtkTreeView *tview, GtkTreePath *tpath, GtkTreeViewColumn *column, gpointer data)
1489 {
1490         ViewDir *vd = data;
1491         GtkTreeModel *store;
1492         GtkTreeIter iter;
1493         NodeData *nd;
1494
1495         store = gtk_tree_view_get_model(tview);
1496         gtk_tree_model_get_iter(store, &iter, tpath);
1497         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1498
1499         vdtree_select_row(vd, nd->fd);
1500 }
1501
1502 static GdkColor *vdtree_color_shifted(GtkWidget *widget)
1503 {
1504         static GdkColor color;
1505         static GtkWidget *done = NULL;
1506
1507         if (done != widget)
1508                 {
1509                 GtkStyle *style;
1510
1511                 style = gtk_widget_get_style(widget);
1512                 memcpy(&color, &style->base[GTK_STATE_NORMAL], sizeof(color));
1513                 shift_color(&color, -1, 0);
1514                 done = widget;
1515                 }
1516
1517         return &color;
1518 }
1519
1520 static void vdtree_color_cb(GtkTreeViewColumn *tree_column, GtkCellRenderer *cell,
1521                             GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
1522 {
1523         ViewDir *vd = data;
1524         gboolean set;
1525
1526         gtk_tree_model_get(tree_model, iter, DIR_COLUMN_COLOR, &set, -1);
1527         g_object_set(G_OBJECT(cell),
1528                      "cell-background-gdk", vdtree_color_shifted(vd->view),
1529                      "cell-background-set", set, NULL);
1530 }
1531
1532 static gboolean vdtree_destroy_node_cb(GtkTreeModel *store, GtkTreePath *tpath, GtkTreeIter *iter, gpointer data)
1533 {
1534         NodeData *nd;
1535
1536         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
1537         vdtree_node_free(nd);
1538
1539         return FALSE;
1540 }
1541
1542 static void vdtree_destroy_cb(GtkWidget *widget, gpointer data)
1543 {
1544         ViewDir *vd = data;
1545         GtkTreeModel *store;
1546
1547         if (vd->popup)
1548                 {
1549                 g_signal_handlers_disconnect_matched(G_OBJECT(vd->popup), G_SIGNAL_MATCH_DATA,
1550                                                      0, 0, 0, NULL, vd);
1551                 gtk_widget_destroy(vd->popup);
1552                 }
1553
1554         vdtree_dnd_drop_expand_cancel(vd);
1555         vdtree_dnd_drop_scroll_cancel(vd);
1556         widget_auto_scroll_stop(vd->view);
1557
1558         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vd->view));
1559         gtk_tree_model_foreach(store, vdtree_destroy_node_cb, vd);
1560
1561         filelist_free(vd->drop_list);
1562
1563         folder_icons_free(vd->pf);
1564
1565         g_free(vd->path);
1566         g_free(vd->info);
1567         g_free(vd);
1568 }
1569
1570 ViewDir *vdtree_new(const gchar *path)
1571 {
1572         ViewDir *vd;
1573         GtkTreeStore *store;
1574         GtkTreeSelection *selection;
1575         GtkTreeViewColumn *column;
1576         GtkCellRenderer *renderer;
1577
1578         vd = g_new0(ViewDir, 1);
1579         vd->info = g_new0(ViewDirInfoTree, 1);
1580         vd->type = DIRVIEW_TREE;
1581
1582         vd->path = NULL;
1583         vd->click_fd = NULL;
1584
1585         vd->drop_fd = NULL;
1586         vd->drop_list = NULL;
1587         vd->drop_scroll_id = -1;
1588         VDTREE_INFO(vd, drop_expand_id) = -1;
1589
1590         vd->popup = NULL;
1591
1592         VDTREE_INFO(vd, busy_ref) = 0;
1593
1594         vd->widget = gtk_scrolled_window_new(NULL, NULL);
1595         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(vd->widget), GTK_SHADOW_IN);
1596         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(vd->widget),
1597                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
1598         g_signal_connect(G_OBJECT(vd->widget), "destroy",
1599                          G_CALLBACK(vdtree_destroy_cb), vd);
1600
1601         store = gtk_tree_store_new(4, G_TYPE_POINTER, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_INT);
1602         vd->view = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
1603         g_object_unref(store);
1604
1605         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(vd->view), FALSE);
1606         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(vd->view), FALSE);
1607         gtk_tree_sortable_set_default_sort_func(GTK_TREE_SORTABLE(store), vdtree_sort_cb, vd, NULL);
1608         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
1609                                              GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, GTK_SORT_ASCENDING);
1610
1611         g_signal_connect(G_OBJECT(vd->view), "row_activated",
1612                          G_CALLBACK(vdtree_activate_cb), vd);
1613         g_signal_connect(G_OBJECT(vd->view), "row_expanded",
1614                          G_CALLBACK(vdtree_row_expanded), vd);
1615         g_signal_connect(G_OBJECT(vd->view), "row_collapsed",
1616                          G_CALLBACK(vdtree_row_collapsed), vd);
1617 #if 0
1618         g_signal_connect(G_OBJECT(store), "row_deleted",
1619                          G_CALLBACK(vdtree_row_deleted_cb), vd);
1620 #endif
1621
1622         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vd->view));
1623         gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);
1624         gtk_tree_selection_set_select_function(selection, vdtree_select_cb, vd, NULL);
1625
1626         column = gtk_tree_view_column_new();
1627         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
1628
1629         renderer = gtk_cell_renderer_pixbuf_new();
1630         gtk_tree_view_column_pack_start(column, renderer, FALSE);
1631         gtk_tree_view_column_add_attribute(column, renderer, "pixbuf", DIR_COLUMN_ICON);
1632         gtk_tree_view_column_set_cell_data_func(column, renderer, vdtree_color_cb, vd, NULL);
1633
1634         renderer = gtk_cell_renderer_text_new();
1635         gtk_tree_view_column_pack_start(column, renderer, TRUE);
1636         gtk_tree_view_column_add_attribute(column, renderer, "text", DIR_COLUMN_NAME);
1637         gtk_tree_view_column_set_cell_data_func(column, renderer, vdtree_color_cb, vd, NULL);
1638
1639         gtk_tree_view_append_column(GTK_TREE_VIEW(vd->view), column);
1640
1641         g_signal_connect(G_OBJECT(vd->view), "key_press_event",
1642                          G_CALLBACK(vdtree_press_key_cb), vd);
1643
1644         gtk_container_add(GTK_CONTAINER(vd->widget), vd->view);
1645         gtk_widget_show(vd->view);
1646
1647         vd->pf = folder_icons_new();
1648
1649         vdtree_setup_root(vd);
1650
1651         vdtree_dnd_init(vd);
1652
1653         g_signal_connect(G_OBJECT(vd->view), "button_press_event",
1654                          G_CALLBACK(vdtree_press_cb), vd);
1655         g_signal_connect(G_OBJECT(vd->view), "button_release_event",
1656                          G_CALLBACK(vdtree_release_cb), vd);
1657
1658         vdtree_set_path(vd, path);
1659
1660         return vd;
1661 }
1662
1663 #if 0
1664 void vdtree_set_click_func(ViewDir *vd,
1665                            void (*func)(ViewDir *vd, GdkEventButton *event, FileData *fd, gpointer), gpointer data)
1666 {
1667         if (!td) return;
1668         vd->click_func = func;
1669         vd->click_data = data;
1670 }
1671 #endif
1672
1673