src/view_dir_tree.c

   1 /*
   2  * Geeqie
   3  * (C) 2006 John Ellis
   4  *
   5  * Author: John Ellis
   6  *
   7  * This software is released under the GNU General Public License (GNU GPL).
   8  * Please read the included file COPYING for more information.
   9  * This software comes with no warranty of any kind, use at your own risk!
  10  */
  11
  12 #include "main.h"
  13 #include "view_dir_tree.h"
  14
  15
  16 #include "dnd.h"
  17 #include "dupe.h"
  18 #include "filelist.h"
  19 #include "layout.h"
  20 #include "layout_image.h"
  21 #include "layout_util.h"
  22 #include "utilops.h"
  23 #include "ui_bookmark.h"
  24 #include "ui_fileops.h"
  25 #include "ui_menu.h"
  26 #include "ui_tree_edit.h"
  27
  28 #include <gdk/gdkkeysyms.h> /* for keyboard values */
  29
  30
  31 #define VDTREE_INDENT 14
  32 #define VDTREE_PAD 4
  33
  34 enum {
  35         DIR_COLUMN_POINTER = 0,
  36         DIR_COLUMN_ICON,
  37         DIR_COLUMN_NAME,
  38         DIR_COLUMN_COLOR,
  39         DIR_COLUMN_COUNT
  40 };
  41
  42
  43 typedef struct _PathData PathData;
  44 struct _PathData
  45 {
  46         gchar *name;
  47         FileData *node;
  48 };
  49
  50 typedef struct _NodeData NodeData;
  51 struct _NodeData
  52 {
  53         FileData *fd;
  54         gint expanded;
  55         time_t last_update;
  56 };
  57
  58
  59 static gint vdtree_populate_path_by_iter(ViewDirTree *vdt, GtkTreeIter *iter, gint force, const gchar *target_path);
  60 static FileData *vdtree_populate_path(ViewDirTree *vdt, const gchar *path, gint expand, gint force);
  61
  62
  63 /*
  64  *----------------------------------------------------------------------------
  65  * utils
  66  *----------------------------------------------------------------------------
  67  */
  68
  69 static void set_cursor(GtkWidget *widget, GdkCursorType cursor_type)
  70 {
  71         GdkCursor *cursor = NULL;
  72
  73         if (!widget || !widget->window) return;
  74
  75         if (cursor_type > -1) cursor = gdk_cursor_new (cursor_type);
  76         gdk_window_set_cursor (widget->window, cursor);
  77         if (cursor) gdk_cursor_unref(cursor);
  78         gdk_flush();
  79 }
  80
  81 static void vdtree_busy_push(ViewDirTree *vdt)
  82 {
  83         if (vdt->busy_ref == 0) set_cursor(vdt->treeview, GDK_WATCH);
  84         vdt->busy_ref++;
  85 }
  86
  87 static void vdtree_busy_pop(ViewDirTree *vdt)
  88 {
  89         if (vdt->busy_ref == 1) set_cursor(vdt->treeview, -1);
  90         if (vdt->busy_ref > 0) vdt->busy_ref--;
  91 }
  92
  93 static gint vdtree_find_row(ViewDirTree *vdt, FileData *fd, GtkTreeIter *iter, GtkTreeIter *parent)
  94 {
  95         GtkTreeModel *store;
  96         gint valid;
  97
  98         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
  99         if (parent)
 100                 {
 101                 valid = gtk_tree_model_iter_children(store, iter, parent);
 102                 }
 103         else
 104                 {
 105                 valid = gtk_tree_model_get_iter_first(store, iter);
 106                 }
 107         while (valid)
 108                 {
 109                 NodeData *nd;
 110                 GtkTreeIter found;
 111
 112                 gtk_tree_model_get(GTK_TREE_MODEL(store), iter, DIR_COLUMN_POINTER, &nd, -1);
 113                 if (nd->fd == fd) return TRUE;
 114
 115                 if (vdtree_find_row(vdt, fd, &found, iter))
 116                         {
 117                         memcpy(iter, &found, sizeof(found));
 118                         return TRUE;
 119                         }
 120
 121                 valid = gtk_tree_model_iter_next(GTK_TREE_MODEL(store), iter);
 122                 }
 123
 124         return FALSE;
 125 }
 126
 127 static void vdtree_icon_set_by_iter(ViewDirTree *vdt, GtkTreeIter *iter, GdkPixbuf *pixbuf)
 128 {
 129         GtkTreeModel *store;
 130         GdkPixbuf *old;
 131
 132         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 133         gtk_tree_model_get(store, iter, DIR_COLUMN_ICON, &old, -1);
 134         if (old != vdt->pf->deny)
 135                 {
 136                 gtk_tree_store_set(GTK_TREE_STORE(store), iter, DIR_COLUMN_ICON, pixbuf, -1);
 137                 }
 138 }
 139
 140 static void vdtree_expand_by_iter(ViewDirTree *vdt, GtkTreeIter *iter, gint expand)
 141 {
 142         GtkTreeModel *store;
 143         GtkTreePath *tpath;
 144
 145         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 146         tpath = gtk_tree_model_get_path(store, iter);
 147         if (expand)
 148                 {
 149                 gtk_tree_view_expand_row(GTK_TREE_VIEW(vdt->treeview), tpath, FALSE);
 150                 vdtree_icon_set_by_iter(vdt, iter, vdt->pf->open);
 151                 }
 152         else
 153                 {
 154                 gtk_tree_view_collapse_row(GTK_TREE_VIEW(vdt->treeview), tpath);
 155                 }
 156         gtk_tree_path_free(tpath);
 157 }
 158
 159 static void vdtree_expand_by_data(ViewDirTree *vdt, FileData *fd, gint expand)
 160 {
 161         GtkTreeIter iter;
 162
 163         if (vdtree_find_row(vdt, fd, &iter, NULL))
 164                 {
 165                 vdtree_expand_by_iter(vdt, &iter, expand);
 166                 }
 167 }
 168
 169 static void vdtree_color_set(ViewDirTree *vdt, FileData *fd, gint color_set)
 170 {
 171         GtkTreeModel *store;
 172         GtkTreeIter iter;
 173
 174         if (!vdtree_find_row(vdt, fd, &iter, NULL)) return;
 175         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 176         gtk_tree_store_set(GTK_TREE_STORE(store), &iter, DIR_COLUMN_COLOR, color_set, -1);
 177 }
 178
 179 static gint vdtree_rename_row_cb(TreeEditData *td, const gchar *old, const gchar *new, gpointer data)
 180 {
 181         ViewDirTree *vdt = data;
 182         GtkTreeModel *store;
 183         GtkTreeIter iter;
 184         NodeData *nd;
 185         gchar *old_path;
 186         gchar *new_path;
 187         gchar *base;
 188
 189         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 190         if (!gtk_tree_model_get_iter(store, &iter, td->path)) return FALSE;
 191         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 192         if (!nd) return FALSE;
 193
 194         old_path = g_strdup(nd->fd->path);
 195
 196         base = remove_level_from_path(old_path);
 197         new_path = concat_dir_and_file(base, new);
 198         g_free(base);
 199
 200         if (file_util_rename_dir(nd->fd, new_path, vdt->treeview))
 201                 {
 202                 vdtree_populate_path(vdt, new_path, TRUE, TRUE);
 203
 204                 if (vdt->layout && strcmp(vdt->path, old_path) == 0)
 205                         {
 206                         layout_set_path(vdt->layout, new_path);
 207                         }
 208                 }
 209
 210         g_free(old_path);
 211         g_free(new_path);
 212
 213         return FALSE;
 214 }
 215
 216 static void vdtree_rename_by_data(ViewDirTree *vdt, FileData *fd)
 217 {
 218         GtkTreeModel *store;
 219         GtkTreePath *tpath;
 220         GtkTreeIter iter;
 221
 222         if (!fd ||
 223             !vdtree_find_row(vdt, fd, &iter, NULL)) return;
 224
 225         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 226         tpath = gtk_tree_model_get_path(store, &iter);
 227
 228         tree_edit_by_path(GTK_TREE_VIEW(vdt->treeview), tpath, 0, fd->name,
 229                           vdtree_rename_row_cb, vdt);
 230         gtk_tree_path_free(tpath);
 231 }
 232
 233 static void vdtree_node_free(NodeData *nd)
 234 {
 235         if (!nd) return;
 236
 237         file_data_unref(nd->fd);
 238         g_free(nd);
 239 }
 240
 241 static void vdtree_popup_destroy_cb(GtkWidget *widget, gpointer data)
 242 {
 243         ViewDirTree *vdt = data;
 244
 245         vdtree_color_set(vdt, vdt->click_fd, FALSE);
 246         vdt->click_fd = NULL;
 247         vdt->popup = NULL;
 248
 249         vdtree_color_set(vdt, vdt->drop_fd, FALSE);
 250         filelist_free(vdt->drop_list);
 251         vdt->drop_list = NULL;
 252         vdt->drop_fd = NULL;
 253 }
 254
 255 /*
 256  *-----------------------------------------------------------------------------
 257  * drop menu (from dnd)
 258  *-----------------------------------------------------------------------------
 259  */
 260
 261 static void vdtree_drop_menu_copy_cb(GtkWidget *widget, gpointer data)
 262 {
 263         ViewDirTree *vdt = data;
 264         const gchar *path;
 265         GList *list;
 266
 267         if (!vdt->drop_fd) return;
 268
 269         path = vdt->drop_fd->path;
 270         list = vdt->drop_list;
 271
 272         vdt->drop_list = NULL;
 273
 274         file_util_copy_simple(list, path);
 275 }
 276
 277 static void vdtree_drop_menu_move_cb(GtkWidget *widget, gpointer data)
 278 {
 279         ViewDirTree *vdt = data;
 280         const gchar *path;
 281         GList *list;
 282
 283         if (!vdt->drop_fd) return;
 284
 285         path = vdt->drop_fd->path;
 286         list = vdt->drop_list;
 287
 288         vdt->drop_list = NULL;
 289
 290         file_util_move_simple(list, path);
 291 }
 292
 293 static GtkWidget *vdtree_drop_menu(ViewDirTree *vdt, gint active)
 294 {
 295         GtkWidget *menu;
 296
 297         menu = popup_menu_short_lived();
 298         g_signal_connect(G_OBJECT(menu), "destroy",
 299                          G_CALLBACK(vdtree_popup_destroy_cb), vdt);
 300
 301         menu_item_add_stock_sensitive(menu, _("_Copy"), GTK_STOCK_COPY, active,
 302                                       G_CALLBACK(vdtree_drop_menu_copy_cb), vdt);
 303         menu_item_add_sensitive(menu, _("_Move"), active, G_CALLBACK(vdtree_drop_menu_move_cb), vdt);
 304
 305         menu_item_add_divider(menu);
 306         menu_item_add_stock(menu, _("Cancel"), GTK_STOCK_CANCEL, NULL, vdt);
 307
 308         return menu;
 309 }
 310
 311 /*
 312  *-----------------------------------------------------------------------------
 313  * pop-up menu
 314  *-----------------------------------------------------------------------------
 315  */
 316
 317 static void vdtree_pop_menu_up_cb(GtkWidget *widget, gpointer data)
 318 {
 319         ViewDirTree *vdt = data;
 320         gchar *path;
 321
 322         if (!vdt->path || strcmp(vdt->path, "/") == 0) return;
 323         path = remove_level_from_path(vdt->path);
 324
 325         if (vdt->select_func)
 326                 {
 327                 vdt->select_func(vdt, path, vdt->select_data);
 328                 }
 329
 330         g_free(path);
 331 }
 332
 333 static void vdtree_pop_menu_slide_cb(GtkWidget *widget, gpointer data)
 334 {
 335         ViewDirTree *vdt = data;
 336         gchar *path;
 337
 338         if (!vdt->layout) return;
 339
 340         if (!vdt->click_fd) return;
 341         path = vdt->click_fd->path;
 342
 343         layout_set_path(vdt->layout, path);
 344         layout_select_none(vdt->layout);
 345         layout_image_slideshow_stop(vdt->layout);
 346         layout_image_slideshow_start(vdt->layout);
 347 }
 348
 349 static void vdtree_pop_menu_slide_rec_cb(GtkWidget *widget, gpointer data)
 350 {
 351         ViewDirTree *vdt = data;
 352         gchar *path;
 353         GList *list;
 354
 355         if (!vdt->layout) return;
 356
 357         if (!vdt->click_fd) return;
 358         path = vdt->click_fd->path;
 359
 360         list = filelist_recursive(path);
 361
 362         layout_image_slideshow_stop(vdt->layout);
 363         layout_image_slideshow_start_from_list(vdt->layout, list);
 364 }
 365
 366 static void vdtree_pop_menu_dupe(ViewDirTree *vdt, gint recursive)
 367 {
 368         DupeWindow *dw;
 369         GList *list = NULL;
 370
 371         if (!vdt->click_fd) return;
 372
 373         if (recursive)
 374                 {
 375                 list = g_list_append(list, file_data_ref(vdt->click_fd));
 376                 }
 377         else
 378                 {
 379                 filelist_read(vdt->click_fd->path, &list, NULL);
 380                 list = filelist_filter(list, FALSE);
 381                 }
 382
 383         dw = dupe_window_new(DUPE_MATCH_NAME);
 384         dupe_window_add_files(dw, list, recursive);
 385
 386         filelist_free(list);
 387 }
 388
 389 static void vdtree_pop_menu_dupe_cb(GtkWidget *widget, gpointer data)
 390 {
 391         ViewDirTree *vdt = data;
 392         vdtree_pop_menu_dupe(vdt, FALSE);
 393 }
 394
 395 static void vdtree_pop_menu_dupe_rec_cb(GtkWidget *widget, gpointer data)
 396 {
 397         ViewDirTree *vdt = data;
 398         vdtree_pop_menu_dupe(vdt, TRUE);
 399 }
 400
 401 static void vdtree_pop_menu_new_cb(GtkWidget *widget, gpointer data)
 402 {
 403         ViewDirTree *vdt = data;
 404         const gchar *path;
 405         gchar *new_path;
 406         gchar *buf;
 407
 408         if (!vdt->click_fd) return;
 409         path = vdt->click_fd->path;
 410
 411         buf = concat_dir_and_file(path, _("new_folder"));
 412         new_path = unique_filename(buf, NULL, NULL, FALSE);
 413         g_free(buf);
 414         if (!new_path) return;
 415
 416         if (!mkdir_utf8(new_path, 0755))
 417                 {
 418                 gchar *text;
 419
 420                 text = g_strdup_printf(_("Unable to create folder:\n%s"), new_path);
 421                 file_util_warning_dialog(_("Error creating folder"), text, GTK_STOCK_DIALOG_ERROR, vdt->treeview);
 422                 g_free(text);
 423                 }
 424         else
 425                 {
 426                 FileData *fd;
 427
 428                 fd = vdtree_populate_path(vdt, new_path, TRUE, TRUE);
 429
 430                 vdtree_rename_by_data(vdt, fd);
 431                 }
 432
 433         g_free(new_path);
 434 }
 435
 436 static void vdtree_pop_menu_rename_cb(GtkWidget *widget, gpointer data)
 437 {
 438         ViewDirTree *vdt = data;
 439
 440         vdtree_rename_by_data(vdt, vdt->click_fd);
 441 }
 442
 443 static void vdtree_pop_menu_delete_cb(GtkWidget *widget, gpointer data)
 444 {
 445         ViewDirTree *vdt = data;
 446
 447         if (!vdt->click_fd) return;
 448         file_util_delete_dir(vdt->click_fd, vdt->widget);
 449 }
 450
 451 static void vdtree_pop_menu_tree_cb(GtkWidget *widget, gpointer data)
 452 {
 453         ViewDirTree *vdt = data;
 454
 455         if (vdt->layout) layout_views_set(vdt->layout, FALSE, vdt->layout->icon_view);
 456 }
 457
 458 static void vdtree_pop_menu_refresh_cb(GtkWidget *widget, gpointer data)
 459 {
 460         ViewDirTree *vdt = data;
 461
 462         if (vdt->layout) layout_refresh(vdt->layout);
 463 }
 464
 465 static 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         GList *list;
 555         gchar *uri_text = NULL;
 556         gint length = 0;
 557
 558         if (!vdt->click_fd) return;
 559
 560         switch (info)
 561                 {
 562                 case TARGET_URI_LIST:
 563                 case TARGET_TEXT_PLAIN:
 564                         list = g_list_prepend(NULL, vdt->click_fd);
 565                         uri_text = uri_text_from_filelist(list, &length, (info == TARGET_TEXT_PLAIN));
 566                         g_list_free(list);
 567                         break;
 568                 }
 569
 570         if (uri_text)
 571                 {
 572                 gtk_selection_data_set(selection_data, selection_data->target,
 573                                        8, (guchar *)uri_text, length);
 574                 g_free(uri_text);
 575                 }
 576 }
 577
 578 static void vdtree_dnd_begin(GtkWidget *widget, GdkDragContext *context, gpointer data)
 579 {
 580         ViewDirTree *vdt = data;
 581
 582         vdtree_color_set(vdt, vdt->click_fd, TRUE);
 583         vdtree_dest_set(vdt, FALSE);
 584 }
 585
 586 static void vdtree_dnd_end(GtkWidget *widget, GdkDragContext *context, gpointer data)
 587 {
 588         ViewDirTree *vdt = data;
 589
 590         vdtree_color_set(vdt, vdt->click_fd, FALSE);
 591         vdtree_dest_set(vdt, TRUE);
 592 }
 593
 594 static void vdtree_dnd_drop_receive(GtkWidget *widget,
 595                                     GdkDragContext *context, gint x, gint y,
 596                                     GtkSelectionData *selection_data, guint info,
 597                                     guint time, gpointer data)
 598 {
 599         ViewDirTree *vdt = data;
 600         GtkTreePath *tpath;
 601         GtkTreeIter iter;
 602         FileData *fd = NULL;
 603
 604         vdt->click_fd = NULL;
 605
 606         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), x, y,
 607                                           &tpath, NULL, NULL, NULL))
 608                 {
 609                 GtkTreeModel *store;
 610                 NodeData *nd;
 611
 612                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
 613                 gtk_tree_model_get_iter(store, &iter, tpath);
 614                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 615                 gtk_tree_path_free(tpath);
 616
 617                 fd = (nd) ? nd->fd : NULL;
 618                 }
 619
 620         if (!fd) return;
 621
 622         if (info == TARGET_URI_LIST)
 623                 {
 624                 GList *list;
 625                 gint active;
 626
 627                 list = uri_filelist_from_text((gchar *)selection_data->data, TRUE);
 628                 if (!list) return;
 629
 630                 active = access_file(fd->path, W_OK | X_OK);
 631
 632                 vdtree_color_set(vdt, fd, TRUE);
 633                 vdt->popup = vdtree_drop_menu(vdt, active);
 634                 gtk_menu_popup(GTK_MENU(vdt->popup), NULL, NULL, NULL, NULL, 0, time);
 635
 636                 vdt->drop_fd = fd;
 637                 vdt->drop_list = list;
 638                 }
 639 }
 640
 641 static gint vdtree_dnd_drop_expand_cb(gpointer data)
 642 {
 643         ViewDirTree *vdt = data;
 644         GtkTreeIter iter;
 645
 646         if (vdt->drop_fd &&
 647             vdtree_find_row(vdt, vdt->drop_fd, &iter, NULL))
 648                 {
 649                 vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path);
 650                 vdtree_expand_by_data(vdt, vdt->drop_fd, TRUE);
 651                 }
 652
 653         vdt->drop_expand_id = -1;
 654         return FALSE;
 655 }
 656
 657 static void vdtree_dnd_drop_expand_cancel(ViewDirTree *vdt)
 658 {
 659         if (vdt->drop_expand_id != -1) g_source_remove(vdt->drop_expand_id);
 660         vdt->drop_expand_id = -1;
 661 }
 662
 663 static void vdtree_dnd_drop_expand(ViewDirTree *vdt)
 664 {
 665         vdtree_dnd_drop_expand_cancel(vdt);
 666         vdt->drop_expand_id = g_timeout_add(1000, vdtree_dnd_drop_expand_cb, vdt);
 667 }
 668
 669 static void vdtree_drop_update(ViewDirTree *vdt, gint x, gint y)
 670 {
 671         GtkTreePath *tpath;
 672         GtkTreeIter iter;
 673         FileData *fd = NULL;
 674
 675         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(vdt->treeview), x, y,
 676                                           &tpath, NULL, NULL, NULL))
 677                 {
 678                 GtkTreeModel *store;
 679                 NodeData *nd;
 680
 681                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 682                 gtk_tree_model_get_iter(store, &iter, tpath);
 683                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 684                 gtk_tree_path_free(tpath);
 685
 686                 fd = (nd) ? nd->fd : NULL;
 687                 }
 688
 689         if (fd != vdt->drop_fd)
 690                 {
 691                 vdtree_color_set(vdt, vdt->drop_fd, FALSE);
 692                 vdtree_color_set(vdt, fd, TRUE);
 693                 if (fd) vdtree_dnd_drop_expand(vdt);
 694                 }
 695
 696         vdt->drop_fd = fd;
 697 }
 698
 699 static void vdtree_dnd_drop_scroll_cancel(ViewDirTree *vdt)
 700 {
 701         if (vdt->drop_scroll_id != -1) g_source_remove(vdt->drop_scroll_id);
 702         vdt->drop_scroll_id = -1;
 703 }
 704
 705 static gint vdtree_auto_scroll_idle_cb(gpointer data)
 706 {
 707         ViewDirTree *vdt = data;
 708
 709         if (vdt->drop_fd)
 710                 {
 711                 GdkWindow *window;
 712                 gint x, y;
 713                 gint w, h;
 714
 715                 window = vdt->treeview->window;
 716                 gdk_window_get_pointer(window, &x, &y, NULL);
 717                 gdk_drawable_get_size(window, &w, &h);
 718                 if (x >= 0 && x < w && y >= 0 && y < h)
 719                         {
 720                         vdtree_drop_update(vdt, x, y);
 721                         }
 722                 }
 723
 724         vdt->drop_scroll_id = -1;
 725         return FALSE;
 726 }
 727
 728 static gint vdtree_auto_scroll_notify_cb(GtkWidget *widget, gint x, gint y, gpointer data)
 729 {
 730         ViewDirTree *vdt = data;
 731
 732         if (!vdt->drop_fd || vdt->drop_list) return FALSE;
 733
 734         if (vdt->drop_scroll_id == -1) vdt->drop_scroll_id = g_idle_add(vdtree_auto_scroll_idle_cb, vdt);
 735
 736         return TRUE;
 737 }
 738
 739 static gint vdtree_dnd_drop_motion(GtkWidget *widget, GdkDragContext *context,
 740                                    gint x, gint y, guint time, gpointer data)
 741 {
 742         ViewDirTree *vdt = data;
 743
 744         vdt->click_fd = NULL;
 745
 746         if (gtk_drag_get_source_widget(context) == vdt->treeview)
 747                 {
 748                 gdk_drag_status(context, 0, time);
 749                 return TRUE;
 750                 }
 751         else
 752                 {
 753                 gdk_drag_status(context, context->suggested_action, time);
 754                 }
 755
 756         vdtree_drop_update(vdt, x, y);
 757
 758         if (vdt->drop_fd)
 759                 {
 760                 GtkAdjustment *adj = gtk_tree_view_get_vadjustment(GTK_TREE_VIEW(vdt->treeview));
 761                 widget_auto_scroll_start(vdt->treeview, adj, -1, -1, vdtree_auto_scroll_notify_cb, vdt);
 762                 }
 763
 764         return FALSE;
 765 }
 766
 767 static void vdtree_dnd_drop_leave(GtkWidget *widget, GdkDragContext *context, guint time, gpointer data)
 768 {
 769         ViewDirTree *vdt = data;
 770
 771         if (vdt->drop_fd != vdt->click_fd) vdtree_color_set(vdt, vdt->drop_fd, FALSE);
 772
 773         vdt->drop_fd = NULL;
 774
 775         vdtree_dnd_drop_expand_cancel(vdt);
 776 }
 777
 778 static void vdtree_dnd_init(ViewDirTree *vdt)
 779 {
 780         gtk_drag_source_set(vdt->treeview, GDK_BUTTON1_MASK | GDK_BUTTON2_MASK,
 781                             dnd_file_drag_types, dnd_file_drag_types_count,
 782                             GDK_ACTION_COPY | GDK_ACTION_MOVE | GDK_ACTION_ASK);
 783         g_signal_connect(G_OBJECT(vdt->treeview), "drag_data_get",
 784                          G_CALLBACK(vdtree_dnd_get), vdt);
 785         g_signal_connect(G_OBJECT(vdt->treeview), "drag_begin",
 786                          G_CALLBACK(vdtree_dnd_begin), vdt);
 787         g_signal_connect(G_OBJECT(vdt->treeview), "drag_end",
 788                          G_CALLBACK(vdtree_dnd_end), vdt);
 789
 790         vdtree_dest_set(vdt, TRUE);
 791         g_signal_connect(G_OBJECT(vdt->treeview), "drag_data_received",
 792                          G_CALLBACK(vdtree_dnd_drop_receive), vdt);
 793         g_signal_connect(G_OBJECT(vdt->treeview), "drag_motion",
 794                          G_CALLBACK(vdtree_dnd_drop_motion), vdt);
 795         g_signal_connect(G_OBJECT(vdt->treeview), "drag_leave",
 796                          G_CALLBACK(vdtree_dnd_drop_leave), vdt);
 797 }
 798
 799 /*
 800  *----------------------------------------------------------------------------
 801  * parts lists
 802  *----------------------------------------------------------------------------
 803  */
 804
 805 static GList *parts_list(const gchar *path)
 806 {
 807         GList *list = NULL;
 808         const gchar *strb, *strp;
 809         gint l;
 810
 811         strp = path;
 812
 813         if (*strp != '/') return NULL;
 814
 815         strp++;
 816         strb = strp;
 817         l = 0;
 818
 819         while (*strp != '\0')
 820                 {
 821                 if (*strp == '/')
 822                         {
 823                         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 824                         strp++;
 825                         strb = strp;
 826                         l = 0;
 827                         }
 828                 else
 829                         {
 830                         strp++;
 831                         l++;
 832                         }
 833                 }
 834         if (l > 0) list = g_list_prepend(list, g_strndup(strb, l));
 835
 836         list = g_list_reverse(list);
 837
 838         list = g_list_prepend(list, g_strdup("/"));
 839
 840         return list;
 841 }
 842
 843 static void parts_list_free(GList *list)
 844 {
 845         GList *work = list;
 846         while (work)
 847                 {
 848                 PathData *pd = work->data;
 849                 g_free(pd->name);
 850                 g_free(pd);
 851                 work = work->next;
 852                 }
 853
 854         g_list_free(list);
 855 }
 856
 857 static GList *parts_list_add_node_points(ViewDirTree *vdt, GList *list)
 858 {
 859         GList *work;
 860         GtkTreeModel *store;
 861         GtkTreeIter iter;
 862         gint valid;
 863
 864         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 865         valid = gtk_tree_model_get_iter_first(store, &iter);
 866
 867         work = list;
 868         while (work)
 869                 {
 870                 PathData *pd;
 871                 FileData *fd = NULL;
 872
 873                 pd = g_new0(PathData, 1);
 874                 pd->name = work->data;
 875
 876                 while (valid && !fd)
 877                         {
 878                         NodeData *nd;
 879
 880                         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
 881                         if (strcmp(nd->fd->name, pd->name) == 0)
 882                                 {
 883                                 fd = nd->fd;
 884                                 }
 885                         else
 886                                 {
 887                                 valid = gtk_tree_model_iter_next(store, &iter);
 888                                 }
 889                         }
 890
 891                 pd->node = fd;
 892                 work->data = pd;
 893
 894                 if (fd)
 895                         {
 896                         GtkTreeIter parent;
 897                         memcpy(&parent, &iter, sizeof(parent));
 898                         valid = gtk_tree_model_iter_children(store, &iter, &parent);
 899                         }
 900
 901                 work = work->next;
 902                 }
 903
 904         return list;
 905 }
 906
 907 /*
 908  *----------------------------------------------------------------------------
 909  * misc
 910  *----------------------------------------------------------------------------
 911  */
 912
 913 #if 0
 914 static void vdtree_row_deleted_cb(GtkTreeModel *tree_model, GtkTreePath *tpath, gpointer data)
 915 {
 916         GtkTreeIter iter;
 917         NodeData *nd;
 918
 919         gtk_tree_model_get_iter(tree_model, &iter, tpath);
 920         gtk_tree_model_get(tree_model, &iter, DIR_COLUMN_POINTER, &nd, -1);
 921
 922         if (!nd) return;
 923
 924         file_data_unref(nd->fd);
 925         g_free(nd);
 926 }
 927 #endif
 928
 929 /*
 930  *----------------------------------------------------------------------------
 931  * node traversal, management
 932  *----------------------------------------------------------------------------
 933  */
 934
 935 static gint vdtree_find_iter_by_data(ViewDirTree *vdt, GtkTreeIter *parent, NodeData *nd, GtkTreeIter *iter)
 936 {
 937         GtkTreeModel *store;
 938
 939         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 940         if (!nd || !gtk_tree_model_iter_children(store, iter, parent)) return -1;
 941         do      {
 942                 NodeData *cnd;
 943
 944                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &cnd, -1);
 945                 if (cnd == nd) return TRUE;
 946                 } while (gtk_tree_model_iter_next(store, iter));
 947
 948         return FALSE;
 949 }
 950
 951 static NodeData *vdtree_find_iter_by_name(ViewDirTree *vdt, GtkTreeIter *parent, const gchar *name, GtkTreeIter *iter)
 952 {
 953         GtkTreeModel *store;
 954
 955         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
 956         if (!name || !gtk_tree_model_iter_children(store, iter, parent)) return NULL;
 957         do      {
 958                 NodeData *nd;
 959
 960                 gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
 961                 if (nd && strcmp(nd->fd->name, name) == 0) return nd;
 962                 } while (gtk_tree_model_iter_next(store, iter));
 963
 964         return NULL;
 965 }
 966
 967 static void vdtree_add_by_data(ViewDirTree *vdt, FileData *fd, GtkTreeIter *parent)
 968 {
 969         GtkTreeStore *store;
 970         GtkTreeIter child;
 971         NodeData *nd;
 972         GdkPixbuf *pixbuf;
 973         NodeData *end;
 974         GtkTreeIter empty;
 975
 976         if (!fd) return;
 977
 978         if (access_file(fd->path, R_OK | X_OK))
 979                 {
 980                 pixbuf = vdt->pf->close;
 981                 }
 982         else
 983                 {
 984                 pixbuf = vdt->pf->deny;
 985                 }
 986
 987         nd = g_new0(NodeData, 1);
 988         nd->fd = fd;
 989         nd->expanded = FALSE;
 990         nd->last_update = time(NULL);
 991
 992         store = GTK_TREE_STORE(gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview)));
 993         gtk_tree_store_append(store, &child, parent);
 994         gtk_tree_store_set(store, &child, DIR_COLUMN_POINTER, nd,
 995                                          DIR_COLUMN_ICON, pixbuf,
 996                                          DIR_COLUMN_NAME, nd->fd->name,
 997                                          DIR_COLUMN_COLOR, FALSE, -1);
 998
 999         /* all nodes are created with an "empty" node, so that the expander is shown
1000          * this is removed when the child is populated */
1001         end = g_new0(NodeData, 1);
1002         end->fd = file_data_new_simple("");
1003         end->expanded = TRUE;
1004
1005         gtk_tree_store_append(store, &empty, &child);
1006         gtk_tree_store_set(store, &empty, DIR_COLUMN_POINTER, end,
1007                                           DIR_COLUMN_NAME, "empty", -1);
1008
1009         if (parent)
1010                 {
1011                 NodeData *pnd;
1012                 GtkTreePath *tpath;
1013
1014                 gtk_tree_model_get(GTK_TREE_MODEL(store), parent, DIR_COLUMN_POINTER, &pnd, -1);
1015                 tpath = gtk_tree_model_get_path(GTK_TREE_MODEL(store), parent);
1016                 if (options->tree_descend_subdirs &&
1017                     gtk_tree_view_row_expanded(GTK_TREE_VIEW(vdt->treeview), tpath) &&
1018                     !nd->expanded)
1019                         {
1020                         vdtree_populate_path_by_iter(vdt, &child, FALSE, vdt->path);
1021                         }
1022                 gtk_tree_path_free(tpath);
1023                 }
1024 }
1025
1026 static gint vdtree_populate_path_by_iter(ViewDirTree *vdt, GtkTreeIter *iter, gint force, const gchar *target_path)
1027 {
1028         GtkTreeModel *store;
1029         GList *list;
1030         GList *work;
1031         GList *old;
1032         time_t current_time;
1033         GtkTreeIter child;
1034         NodeData *nd;
1035
1036         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1037         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
1038
1039         if (!nd) return FALSE;
1040
1041         current_time = time(NULL);
1042
1043         if (nd->expanded)
1044                 {
1045                 if (!force && current_time - nd->last_update < 10) return TRUE;
1046                 if (!isdir(nd->fd->path))
1047                         {
1048                         if (vdt->click_fd == nd->fd) vdt->click_fd = NULL;
1049                         if (vdt->drop_fd == nd->fd) vdt->drop_fd = NULL;
1050                         gtk_tree_store_remove(GTK_TREE_STORE(store), iter);
1051                         vdtree_node_free(nd);
1052                         return FALSE;
1053                         }
1054                 if (!force && filetime(nd->fd->path) == nd->fd->date) return TRUE;
1055                 }
1056
1057         vdtree_busy_push(vdt);
1058
1059         list = NULL;
1060         filelist_read(nd->fd->path, NULL, &list);
1061
1062         /* when hidden files are not enabled, and the user enters a hidden path,
1063          * allow the tree to display that path by specifically inserting the hidden entries
1064          */
1065         if (!options->file_filter.show_dot_files &&
1066             target_path &&
1067             strncmp(nd->fd->path, target_path, strlen(nd->fd->path)) == 0)
1068                 {
1069                 gint n;
1070
1071                 n = strlen(nd->fd->path);
1072                 if (target_path[n] == '/' && target_path[n+1] == '.')
1073                         {
1074                         gchar *name8;
1075                         struct stat sbuf;
1076
1077                         n++;
1078
1079                         while (target_path[n] != '\0' && target_path[n] != '/') n++;
1080                         name8 = g_strndup(target_path, n);
1081
1082                         if (stat_utf8(name8, &sbuf))
1083                                 {
1084                                 list = g_list_prepend(list, file_data_new_simple(name8));
1085                                 }
1086
1087                         g_free(name8);
1088                         }
1089                 }
1090
1091         old = NULL;
1092         if (gtk_tree_model_iter_children(store, &child, iter))
1093                 {
1094                 do      {
1095                         NodeData *cnd;
1096
1097                         gtk_tree_model_get(store, &child, DIR_COLUMN_POINTER, &cnd, -1);
1098                         old = g_list_prepend(old, cnd);
1099                         } while (gtk_tree_model_iter_next(store, &child));
1100                 }
1101
1102         work = list;
1103         while (work)
1104                 {
1105                 FileData *fd;
1106
1107                 fd = work->data;
1108                 work = work->next;
1109
1110                 if (strcmp(fd->name, ".") == 0 || strcmp(fd->name, "..") == 0)
1111                         {
1112                         file_data_unref(fd);
1113                         }
1114                 else
1115                         {
1116                         NodeData *cnd;
1117
1118                         cnd = vdtree_find_iter_by_name(vdt, iter, fd->name, &child);
1119                         if (cnd)
1120                                 {
1121                                 old = g_list_remove(old, cnd);
1122                                 if (cnd->expanded && cnd->fd->date != fd->date &&
1123                                     vdtree_populate_path_by_iter(vdt, &child, FALSE, target_path))
1124                                         {
1125                                         cnd->fd->size = fd->size;
1126                                         cnd->fd->date = fd->date;
1127                                         }
1128
1129                                 file_data_unref(fd);
1130                                 }
1131                         else
1132                                 {
1133                                 vdtree_add_by_data(vdt, fd, iter);
1134                                 }
1135                         }
1136                 }
1137
1138         work = old;
1139         while (work)
1140                 {
1141                 NodeData *cnd = work->data;
1142                 work = work->next;
1143
1144                 if (vdt->click_fd == cnd->fd) vdt->click_fd = NULL;
1145                 if (vdt->drop_fd == cnd->fd) vdt->drop_fd = NULL;
1146
1147                 if (vdtree_find_iter_by_data(vdt, iter, cnd, &child))
1148                         {
1149                         gtk_tree_store_remove(GTK_TREE_STORE(store), &child);
1150                         vdtree_node_free(cnd);
1151                         }
1152                 }
1153
1154         g_list_free(old);
1155         g_list_free(list);
1156
1157         vdtree_busy_pop(vdt);
1158
1159         nd->expanded = TRUE;
1160         nd->last_update = current_time;
1161
1162         return TRUE;
1163 }
1164
1165 static FileData *vdtree_populate_path(ViewDirTree *vdt, const gchar *path, gint expand, gint force)
1166 {
1167         GList *list;
1168         GList *work;
1169         FileData *fd = NULL;
1170
1171         if (!path) return NULL;
1172
1173         vdtree_busy_push(vdt);
1174
1175         list = parts_list(path);
1176         list = parts_list_add_node_points(vdt, list);
1177
1178         work = list;
1179         while (work)
1180                 {
1181                 PathData *pd = work->data;
1182                 if (pd->node == NULL)
1183                         {
1184                         PathData *parent_pd;
1185                         GtkTreeIter parent_iter;
1186                         GtkTreeIter iter;
1187                         NodeData *nd;
1188
1189                         if (work == list)
1190                                 {
1191                                 /* should not happen */
1192                                 printf("vdtree warning, root node not found\n");
1193                                 parts_list_free(list);
1194                                 vdtree_busy_pop(vdt);
1195                                 return NULL;
1196                                 }
1197
1198                         parent_pd = work->prev->data;
1199
1200                         if (!vdtree_find_row(vdt, parent_pd->node, &parent_iter, NULL) ||
1201                             !vdtree_populate_path_by_iter(vdt, &parent_iter, force, path) ||
1202                             (nd = vdtree_find_iter_by_name(vdt, &parent_iter, pd->name, &iter)) == NULL)
1203                                 {
1204                                 printf("vdtree warning, aborted at %s\n", parent_pd->name);
1205                                 parts_list_free(list);
1206                                 vdtree_busy_pop(vdt);
1207                                 return NULL;
1208                                 }
1209
1210                         pd->node = nd->fd;
1211
1212                         if (pd->node)
1213                                 {
1214                                 if (expand)
1215                                         {
1216                                         vdtree_expand_by_iter(vdt, &parent_iter, TRUE);
1217                                         vdtree_expand_by_iter(vdt, &iter, TRUE);
1218                                         }
1219                                 vdtree_populate_path_by_iter(vdt, &iter, force, path);
1220                                 }
1221                         }
1222                 else
1223                         {
1224                         GtkTreeIter iter;
1225
1226                         if (vdtree_find_row(vdt, pd->node, &iter, NULL))
1227                                 {
1228                                 if (expand) vdtree_expand_by_iter(vdt, &iter, TRUE);
1229                                 vdtree_populate_path_by_iter(vdt, &iter, force, path);
1230                                 }
1231                         }
1232
1233                 work = work->next;
1234                 }
1235
1236         work = g_list_last(list);
1237         if (work)
1238                 {
1239                 PathData *pd = work->data;
1240                 fd = pd->node;
1241                 }
1242         parts_list_free(list);
1243
1244         vdtree_busy_pop(vdt);
1245
1246         return fd;
1247 }
1248
1249 /*
1250  *----------------------------------------------------------------------------
1251  * access
1252  *----------------------------------------------------------------------------
1253  */
1254
1255 static gint selection_is_ok = FALSE;
1256
1257 static gboolean vdtree_select_cb(GtkTreeSelection *selection, GtkTreeModel *store, GtkTreePath *tpath,
1258                                  gboolean path_currently_selected, gpointer data)
1259 {
1260         return selection_is_ok;
1261 }
1262
1263 static void vdtree_select_row(ViewDirTree *vdt, FileData *fd)
1264 {
1265         GtkTreeSelection *selection;
1266         GtkTreeIter iter;
1267
1268         if (!vdtree_find_row(vdt, fd, &iter, NULL)) return;
1269         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vdt->treeview));
1270
1271         /* hack, such that selection is only allowed to be changed from here */
1272         selection_is_ok = TRUE;
1273         gtk_tree_selection_select_iter(selection, &iter);
1274         selection_is_ok = FALSE;
1275
1276         if (!vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path)) return;
1277
1278         vdtree_expand_by_iter(vdt, &iter, TRUE);
1279
1280         if (fd && vdt->select_func)
1281                 {
1282                 vdt->select_func(vdt, fd->path, vdt->select_data);
1283                 }
1284 }
1285
1286 gint vdtree_set_path(ViewDirTree *vdt, const gchar *path)
1287 {
1288         FileData *fd;
1289         GtkTreeIter iter;
1290
1291         if (!path) return FALSE;
1292         if (vdt->path && strcmp(path, vdt->path) == 0) return TRUE;
1293
1294         g_free(vdt->path);
1295         vdt->path = g_strdup(path);
1296
1297         fd = vdtree_populate_path(vdt, vdt->path, TRUE, FALSE);
1298
1299         if (!fd) return FALSE;
1300
1301         if (vdtree_find_row(vdt, fd, &iter, NULL))
1302                 {
1303                 GtkTreeModel *store;
1304                 GtkTreePath *tpath;
1305
1306                 tree_view_row_make_visible(GTK_TREE_VIEW(vdt->treeview), &iter, TRUE);
1307
1308                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1309                 tpath = gtk_tree_model_get_path(store, &iter);
1310                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(vdt->treeview), tpath, NULL, FALSE);
1311                 gtk_tree_path_free(tpath);
1312
1313                 vdtree_select_row(vdt, fd);
1314                 }
1315
1316         return TRUE;
1317 }
1318
1319 #if 0
1320 const gchar *vdtree_get_path(ViewDirTree *vdt)
1321 {
1322         return vdt->path;
1323 }
1324 #endif
1325
1326 void vdtree_refresh(ViewDirTree *vdt)
1327 {
1328         vdtree_populate_path(vdt, vdt->path, FALSE, TRUE);
1329 }
1330
1331 const gchar *vdtree_row_get_path(ViewDirTree *vdt, gint row)
1332 {
1333         printf("FIXME: no get row path\n");
1334         return NULL;
1335 }
1336
1337 /*
1338  *----------------------------------------------------------------------------
1339  * callbacks
1340  *----------------------------------------------------------------------------
1341  */
1342
1343 static void vdtree_menu_position_cb(GtkMenu *menu, gint *x, gint *y, gboolean *push_in, gpointer data)
1344 {
1345         ViewDirTree *vdt = data;
1346         GtkTreeModel *store;
1347         GtkTreeIter iter;
1348         GtkTreePath *tpath;
1349         gint cw, ch;
1350
1351         if (vdtree_find_row(vdt, vdt->click_fd, &iter, NULL) < 0) return;
1352         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1353         tpath = gtk_tree_model_get_path(store, &iter);
1354         tree_view_get_cell_clamped(GTK_TREE_VIEW(vdt->treeview), tpath, 0, TRUE, x, y, &cw, &ch);
1355         gtk_tree_path_free(tpath);
1356         *y += ch;
1357         popup_menu_position_clamp(menu, x, y, 0);
1358 }
1359
1360 static gint vdtree_press_key_cb(GtkWidget *widget, GdkEventKey *event, gpointer data)
1361 {
1362         ViewDirTree *vdt = data;
1363         GtkTreePath *tpath;
1364         GtkTreeIter iter;
1365         FileData *fd = NULL;
1366
1367         gtk_tree_view_get_cursor(GTK_TREE_VIEW(vdt->treeview), &tpath, NULL);
1368         if (tpath)
1369                 {
1370                 GtkTreeModel *store;
1371                 NodeData *nd;
1372
1373                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
1374                 gtk_tree_model_get_iter(store, &iter, tpath);
1375                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1376
1377                 gtk_tree_path_free(tpath);
1378
1379                 fd = (nd) ? nd->fd : NULL;
1380                 }
1381
1382         switch (event->keyval)
1383                 {
1384                 case GDK_Menu:
1385                         vdt->click_fd = fd;
1386                         vdtree_color_set(vdt, vdt->click_fd, TRUE);
1387
1388                         vdt->popup = vdtree_pop_menu(vdt, vdt->click_fd);
1389                         gtk_menu_popup(GTK_MENU(vdt->popup), NULL, NULL, vdtree_menu_position_cb, vdt, 0, GDK_CURRENT_TIME);
1390
1391                         return TRUE;
1392                         break;
1393                 case GDK_plus:
1394                 case GDK_Right:
1395                 case GDK_KP_Add:
1396                         if (fd)
1397                                 {
1398                                 vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path);
1399                                 vdtree_icon_set_by_iter(vdt, &iter, vdt->pf->open);
1400                                 }
1401                         break;
1402                 }
1403
1404         return FALSE;
1405 }
1406
1407 static gint vdtree_clicked_on_expander(GtkTreeView *treeview, GtkTreePath *tpath,
1408                                        GtkTreeViewColumn *column, gint x, gint y, gint *left_of_expander)
1409 {
1410         gint depth;
1411         gint size;
1412         gint sep;
1413         gint exp_width;
1414
1415         if (column != gtk_tree_view_get_expander_column(treeview)) return FALSE;
1416
1417         gtk_widget_style_get(GTK_WIDGET(treeview), "expander-size", &size, "horizontal-separator", &sep, NULL);
1418         depth = gtk_tree_path_get_depth(tpath);
1419
1420         exp_width = sep + size + sep;
1421
1422         if (x <= depth * exp_width)
1423                 {
1424                 if (left_of_expander) *left_of_expander = !(x >= (depth - 1) * exp_width);
1425                 return TRUE;
1426                 }
1427
1428         return FALSE;
1429 }
1430
1431 static gint vdtree_press_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1432 {
1433         ViewDirTree *vdt = data;
1434         GtkTreePath *tpath;
1435         GtkTreeViewColumn *column;
1436         GtkTreeIter iter;
1437         NodeData *nd = NULL;
1438
1439         if (gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
1440                                           &tpath, &column, NULL, NULL))
1441                 {
1442                 GtkTreeModel *store;
1443                 gint left_of_expander;
1444
1445                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
1446                 gtk_tree_model_get_iter(store, &iter, tpath);
1447                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1448                 gtk_tree_view_set_cursor(GTK_TREE_VIEW(widget), tpath, NULL, FALSE);
1449
1450                 if (vdtree_clicked_on_expander(GTK_TREE_VIEW(widget), tpath, column, bevent->x, bevent->y, &left_of_expander))
1451                         {
1452                         vdt->click_fd = NULL;
1453
1454                         /* clicking this region should automatically reveal an expander, if necessary
1455                          * treeview bug: the expander will not expand until a button_motion_event highlights it.
1456                          */
1457                         if (bevent->button == 1 &&
1458                             !left_of_expander &&
1459                             !gtk_tree_view_row_expanded(GTK_TREE_VIEW(vdt->treeview), tpath))
1460                                 {
1461                                 vdtree_populate_path_by_iter(vdt, &iter, FALSE, vdt->path);
1462                                 vdtree_icon_set_by_iter(vdt, &iter, vdt->pf->open);
1463                                 }
1464
1465                         gtk_tree_path_free(tpath);
1466                         return FALSE;
1467                         }
1468
1469                 gtk_tree_path_free(tpath);
1470                 }
1471
1472         vdt->click_fd = (nd) ? nd->fd : NULL;
1473         vdtree_color_set(vdt, vdt->click_fd, TRUE);
1474
1475         if (bevent->button == 3)
1476                 {
1477                 vdt->popup = vdtree_pop_menu(vdt, vdt->click_fd);
1478                 gtk_menu_popup(GTK_MENU(vdt->popup), NULL, NULL, NULL, NULL,
1479                                bevent->button, bevent->time);
1480                 }
1481
1482         return (bevent->button != 1);
1483 }
1484
1485 static gint vdtree_release_cb(GtkWidget *widget, GdkEventButton *bevent, gpointer data)
1486 {
1487         ViewDirTree *vdt = data;
1488         GtkTreePath *tpath;
1489         GtkTreeIter iter;
1490         NodeData *nd = NULL;
1491
1492         if (!vdt->click_fd) return FALSE;
1493         vdtree_color_set(vdt, vdt->click_fd, FALSE);
1494
1495         if (bevent->button != 1) return TRUE;
1496
1497         if ((bevent->x != 0 || bevent->y != 0) &&
1498             gtk_tree_view_get_path_at_pos(GTK_TREE_VIEW(widget), bevent->x, bevent->y,
1499                                           &tpath, NULL, NULL, NULL))
1500                 {
1501                 GtkTreeModel *store;
1502
1503                 store = gtk_tree_view_get_model(GTK_TREE_VIEW(widget));
1504                 gtk_tree_model_get_iter(store, &iter, tpath);
1505                 gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1506                 gtk_tree_path_free(tpath);
1507                 }
1508
1509         if (nd && vdt->click_fd == nd->fd)
1510                 {
1511                 vdtree_select_row(vdt, vdt->click_fd);
1512                 }
1513
1514         return FALSE;
1515 }
1516
1517 static void vdtree_row_expanded(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
1518 {
1519         ViewDirTree *vdt = data;
1520
1521         vdtree_populate_path_by_iter(vdt, iter, FALSE, NULL);
1522         vdtree_icon_set_by_iter(vdt, iter, vdt->pf->open);
1523 }
1524
1525 static void vdtree_row_collapsed(GtkTreeView *treeview, GtkTreeIter *iter, GtkTreePath *tpath, gpointer data)
1526 {
1527         ViewDirTree *vdt = data;
1528
1529         vdtree_icon_set_by_iter(vdt, iter, vdt->pf->close);
1530 }
1531
1532 static gint vdtree_sort_cb(GtkTreeModel *store, GtkTreeIter *a, GtkTreeIter *b, gpointer data)
1533 {
1534         NodeData *nda;
1535         NodeData *ndb;
1536
1537         gtk_tree_model_get(store, a, DIR_COLUMN_POINTER, &nda, -1);
1538         gtk_tree_model_get(store, b, DIR_COLUMN_POINTER, &ndb, -1);
1539
1540         return CASE_SORT(nda->fd->name, ndb->fd->name);
1541 }
1542
1543 /*
1544  *----------------------------------------------------------------------------
1545  * core
1546  *----------------------------------------------------------------------------
1547  */
1548
1549 static void vdtree_setup_root(ViewDirTree *vdt)
1550 {
1551         const gchar *path = "/";
1552         FileData *fd;
1553
1554
1555         fd = file_data_new_simple(path);
1556         vdtree_add_by_data(vdt, fd, NULL);
1557
1558         vdtree_expand_by_data(vdt, fd, TRUE);
1559         vdtree_populate_path(vdt, path, FALSE, FALSE);
1560 }
1561
1562 static void vdtree_activate_cb(GtkTreeView *tview, GtkTreePath *tpath, GtkTreeViewColumn *column, gpointer data)
1563 {
1564         ViewDirTree *vdt = data;
1565         GtkTreeModel *store;
1566         GtkTreeIter iter;
1567         NodeData *nd;
1568
1569         store = gtk_tree_view_get_model(tview);
1570         gtk_tree_model_get_iter(store, &iter, tpath);
1571         gtk_tree_model_get(store, &iter, DIR_COLUMN_POINTER, &nd, -1);
1572
1573         vdtree_select_row(vdt, nd->fd);
1574 }
1575
1576 static GdkColor *vdtree_color_shifted(GtkWidget *widget)
1577 {
1578         static GdkColor color;
1579         static GtkWidget *done = NULL;
1580
1581         if (done != widget)
1582                 {
1583                 GtkStyle *style;
1584
1585                 style = gtk_widget_get_style(widget);
1586                 memcpy(&color, &style->base[GTK_STATE_NORMAL], sizeof(color));
1587                 shift_color(&color, -1, 0);
1588                 done = widget;
1589                 }
1590
1591         return &color;
1592 }
1593
1594 static void vdtree_color_cb(GtkTreeViewColumn *tree_column, GtkCellRenderer *cell,
1595                             GtkTreeModel *tree_model, GtkTreeIter *iter, gpointer data)
1596 {
1597         ViewDirTree *vdt = data;
1598         gboolean set;
1599
1600         gtk_tree_model_get(tree_model, iter, DIR_COLUMN_COLOR, &set, -1);
1601         g_object_set(G_OBJECT(cell),
1602                      "cell-background-gdk", vdtree_color_shifted(vdt->treeview),
1603                      "cell-background-set", set, NULL);
1604 }
1605
1606 static gboolean vdtree_destroy_node_cb(GtkTreeModel *store, GtkTreePath *tpath, GtkTreeIter *iter, gpointer data)
1607 {
1608         NodeData *nd;
1609
1610         gtk_tree_model_get(store, iter, DIR_COLUMN_POINTER, &nd, -1);
1611         vdtree_node_free(nd);
1612
1613         return FALSE;
1614 }
1615
1616 static void vdtree_destroy_cb(GtkWidget *widget, gpointer data)
1617 {
1618         ViewDirTree *vdt = data;
1619         GtkTreeModel *store;
1620
1621         if (vdt->popup)
1622                 {
1623                 g_signal_handlers_disconnect_matched(G_OBJECT(vdt->popup), G_SIGNAL_MATCH_DATA,
1624                                                      0, 0, 0, NULL, vdt);
1625                 gtk_widget_destroy(vdt->popup);
1626                 }
1627
1628         vdtree_dnd_drop_expand_cancel(vdt);
1629         vdtree_dnd_drop_scroll_cancel(vdt);
1630         widget_auto_scroll_stop(vdt->treeview);
1631
1632         store = gtk_tree_view_get_model(GTK_TREE_VIEW(vdt->treeview));
1633         gtk_tree_model_foreach(store, vdtree_destroy_node_cb, vdt);
1634
1635         filelist_free(vdt->drop_list);
1636
1637         folder_icons_free(vdt->pf);
1638
1639         g_free(vdt->path);
1640         g_free(vdt);
1641 }
1642
1643 ViewDirTree *vdtree_new(const gchar *path, gint expand)
1644 {
1645         ViewDirTree *vdt;
1646         GtkTreeStore *store;
1647         GtkTreeSelection *selection;
1648         GtkTreeViewColumn *column;
1649         GtkCellRenderer *renderer;
1650
1651         vdt = g_new0(ViewDirTree, 1);
1652
1653         vdt->path = NULL;
1654         vdt->click_fd = NULL;
1655
1656         vdt->drop_fd = NULL;
1657         vdt->drop_list = NULL;
1658         vdt->drop_scroll_id = -1;
1659         vdt->drop_expand_id = -1;
1660
1661         vdt->popup = NULL;
1662
1663         vdt->busy_ref = 0;
1664
1665         vdt->widget = gtk_scrolled_window_new(NULL, NULL);
1666         gtk_scrolled_window_set_shadow_type(GTK_SCROLLED_WINDOW(vdt->widget), GTK_SHADOW_IN);
1667         gtk_scrolled_window_set_policy(GTK_SCROLLED_WINDOW(vdt->widget),
1668                                        GTK_POLICY_AUTOMATIC, GTK_POLICY_ALWAYS);
1669         g_signal_connect(G_OBJECT(vdt->widget), "destroy",
1670                          G_CALLBACK(vdtree_destroy_cb), vdt);
1671
1672         store = gtk_tree_store_new(4, G_TYPE_POINTER, GDK_TYPE_PIXBUF, G_TYPE_STRING, G_TYPE_INT);
1673         vdt->treeview = gtk_tree_view_new_with_model(GTK_TREE_MODEL(store));
1674         g_object_unref(store);
1675
1676         gtk_tree_view_set_headers_visible(GTK_TREE_VIEW(vdt->treeview), FALSE);
1677         gtk_tree_view_set_enable_search(GTK_TREE_VIEW(vdt->treeview), FALSE);
1678         gtk_tree_sortable_set_default_sort_func(GTK_TREE_SORTABLE(store), vdtree_sort_cb, vdt, NULL);
1679         gtk_tree_sortable_set_sort_column_id(GTK_TREE_SORTABLE(store),
1680                                              GTK_TREE_SORTABLE_DEFAULT_SORT_COLUMN_ID, GTK_SORT_ASCENDING);
1681
1682         g_signal_connect(G_OBJECT(vdt->treeview), "row_activated",
1683                          G_CALLBACK(vdtree_activate_cb), vdt);
1684         g_signal_connect(G_OBJECT(vdt->treeview), "row_expanded",
1685                          G_CALLBACK(vdtree_row_expanded), vdt);
1686         g_signal_connect(G_OBJECT(vdt->treeview), "row_collapsed",
1687                          G_CALLBACK(vdtree_row_collapsed), vdt);
1688 #if 0
1689         g_signal_connect(G_OBJECT(store), "row_deleted",
1690                          G_CALLBACK(vdtree_row_deleted_cb), vdt);
1691 #endif
1692
1693         selection = gtk_tree_view_get_selection(GTK_TREE_VIEW(vdt->treeview));
1694         gtk_tree_selection_set_mode(selection, GTK_SELECTION_SINGLE);
1695         gtk_tree_selection_set_select_function(selection, vdtree_select_cb, vdt, NULL);
1696
1697         column = gtk_tree_view_column_new();
1698         gtk_tree_view_column_set_sizing(column, GTK_TREE_VIEW_COLUMN_GROW_ONLY);
1699
1700         renderer = gtk_cell_renderer_pixbuf_new();
1701         gtk_tree_view_column_pack_start(column, renderer, FALSE);
1702         gtk_tree_view_column_add_attribute(column, renderer, "pixbuf", DIR_COLUMN_ICON);
1703         gtk_tree_view_column_set_cell_data_func(column, renderer, vdtree_color_cb, vdt, NULL);
1704
1705         renderer = gtk_cell_renderer_text_new();
1706         gtk_tree_view_column_pack_start(column, renderer, TRUE);
1707         gtk_tree_view_column_add_attribute(column, renderer, "text", DIR_COLUMN_NAME);
1708         gtk_tree_view_column_set_cell_data_func(column, renderer, vdtree_color_cb, vdt, NULL);
1709
1710         gtk_tree_view_append_column(GTK_TREE_VIEW(vdt->treeview), column);
1711
1712         g_signal_connect(G_OBJECT(vdt->treeview), "key_press_event",
1713                          G_CALLBACK(vdtree_press_key_cb), vdt);
1714
1715         gtk_container_add(GTK_CONTAINER(vdt->widget), vdt->treeview);
1716         gtk_widget_show(vdt->treeview);
1717
1718         vdt->pf = folder_icons_new();
1719
1720         vdtree_setup_root(vdt);
1721
1722         vdtree_dnd_init(vdt);
1723
1724         g_signal_connect(G_OBJECT(vdt->treeview), "button_press_event",
1725                          G_CALLBACK(vdtree_press_cb), vdt);
1726         g_signal_connect(G_OBJECT(vdt->treeview), "button_release_event",
1727                          G_CALLBACK(vdtree_release_cb), vdt);
1728
1729         vdtree_set_path(vdt, path);
1730
1731         return vdt;
1732 }
1733
1734 void vdtree_set_select_func(ViewDirTree *vdt,
1735                             void (*func)(ViewDirTree *vdt, const gchar *path, gpointer data), gpointer data)
1736 {
1737         vdt->select_func = func;
1738         vdt->select_data = data;
1739 }
1740
1741 #if 0
1742 void vdtree_set_click_func(ViewDirTree *vdt,
1743                            void (*func)(ViewDirTree *vdt, GdkEventButton *event, FileData *fd, gpointer), gpointer data)
1744 {
1745         if (!td) return;
1746         vdt->click_func = func;
1747         vdt->click_data = data;
1748 }
1749 #endif
1750
1751 void vdtree_set_layout(ViewDirTree *vdt, LayoutWindow *layout)
1752 {
1753         vdt->layout = layout;
1754 }
1755