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