diff options
Diffstat (limited to 'libnautilus-extensions/nautilus-file-dnd.c')
-rw-r--r-- | libnautilus-extensions/nautilus-file-dnd.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/libnautilus-extensions/nautilus-file-dnd.c b/libnautilus-extensions/nautilus-file-dnd.c new file mode 100644 index 000000000..fe559b2d1 --- /dev/null +++ b/libnautilus-extensions/nautilus-file-dnd.c @@ -0,0 +1,109 @@ +/* -*- Mode: C; indent-tabs-mode: t; c-basic-offset: 8; tab-width: 8 -*- */ + +/* nautilus-file-drag.c - Drag & drop handling code that operated on + NautilusFile objects. + + Copyright (C) 2000 Eazel, Inc. + + The Gnome Library is free software; you can redistribute it and/or + modify it under the terms of the GNU Library General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + The Gnome Library is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + Library General Public License for more details. + + You should have received a copy of the GNU Library General Public + License along with the Gnome Library; see the file COPYING.LIB. If not, + write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330, + Boston, MA 02111-1307, USA. + + Authors: Pavel Cisler <pavel@eazel.com>, +*/ + +#include <config.h> +#include "nautilus-file-dnd.h" + +#include <eel/eel-glib-extensions.h> +#include <eel/eel-string.h> + +gboolean +nautilus_drag_can_accept_item (NautilusFile *drop_target_item, + const char *item_uri) +{ + if (nautilus_file_matches_uri (drop_target_item, item_uri)) { + /* can't accept itself */ + return FALSE; + } + + if (nautilus_file_is_directory (drop_target_item)) { + /* target is a directory, accept anything */ + return TRUE; + } + + /* All Nautilus links are assumed to be links to directories. + * Therefore, they all can accept drags, like all other + * directories to. As with other directories, there can be + * errors when the actual copy is attempted due to + * permissions. + */ + if (nautilus_file_is_nautilus_link (drop_target_item)) { + return TRUE; + } + + return FALSE; +} + +gboolean +nautilus_drag_can_accept_items (NautilusFile *drop_target_item, + const GList *items) +{ + int max; + + if (drop_target_item == NULL) + return FALSE; + + g_assert (NAUTILUS_IS_FILE (drop_target_item)); + + /* Iterate through selection checking if item will get accepted by the + * drop target. If more than 100 items selected, return an over-optimisic + * result + */ + for (max = 100; items != NULL && max >= 0; items = items->next, max--) { + if (!nautilus_drag_can_accept_item (drop_target_item, + ((DragSelectionItem *)items->data)->uri)) { + return FALSE; + } + } + + return TRUE; +} + +void +nautilus_drag_file_receive_dropped_keyword (NautilusFile *file, char *keyword) +{ + GList *keywords, *word; + + g_return_if_fail (NAUTILUS_IS_FILE (file)); + g_return_if_fail (keyword != NULL); + + /* special case the erase emblem */ + if (strcmp (keyword, ERASE_KEYWORD) == 0) { + keywords = NULL; + } else { + keywords = nautilus_file_get_keywords (file); + word = g_list_find_custom (keywords, keyword, (GCompareFunc) strcmp); + if (word == NULL) { + keywords = g_list_append (keywords, g_strdup (keyword)); + } else { + keywords = g_list_remove_link (keywords, word); + g_free (word->data); + g_list_free_1 (word); + } + } + + nautilus_file_set_keywords (file, keywords); + eel_g_list_free_deep (keywords); +} |