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/*
* nautilus-view-dnd.c: DnD helpers for NautilusFilesView
*
* Copyright (C) 1999, 2000 Free Software Foundaton
* Copyright (C) 2000, 2001 Eazel, Inc.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of the
* License, or (at your option) any later version.
*
* This program 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
* General Public License for more details.
*
* You should have received a copy of the GNU General Public
* License along with this program; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Ettore Perazzoli
* Darin Adler <darin@bentspoon.com>
* John Sullivan <sullivan@eazel.com>
* Pavel Cisler <pavel@eazel.com>
*/
#include <config.h>
#include "nautilus-files-view-dnd.h"
#include "nautilus-files-view.h"
#include "nautilus-application.h"
#include <eel/eel-string.h>
#include <eel/eel-vfs-extensions.h>
#include <glib/gi18n.h>
#include "nautilus-clipboard.h"
#include "nautilus-dnd.h"
#include "nautilus-global-preferences.h"
#include "nautilus-ui-utilities.h"
#define GET_ANCESTOR(obj) \
GTK_WINDOW (gtk_widget_get_ancestor (GTK_WIDGET (obj), GTK_TYPE_WINDOW))
#define MAX_LEN_FILENAME 64
#define MIN_LEN_FILENAME 8
static char *
get_drop_filename (const char *text)
{
char *filename;
char trimmed[MAX_LEN_FILENAME];
int i;
int last_word = -1;
int end_sentence = -1;
int last_nonspace = -1;
int start_sentence = -1;
int num_attrs;
PangoLogAttr *attrs;
gchar *current_char;
num_attrs = MIN (g_utf8_strlen (text, -1), MAX_LEN_FILENAME) + 1;
attrs = g_new (PangoLogAttr, num_attrs);
g_utf8_strncpy (trimmed, text, num_attrs - 1);
pango_get_log_attrs (trimmed, -1, -1, pango_language_get_default (), attrs, num_attrs);
/* since the end of the text will always match a word boundary don't include it */
for (i = 0; (i < num_attrs - 1); i++)
{
if (attrs[i].is_sentence_start && start_sentence == -1)
{
start_sentence = i;
}
if (!attrs[i].is_white)
{
last_nonspace = i;
}
if (attrs[i].is_word_boundary)
{
last_word = last_nonspace;
}
if (attrs[i].is_sentence_end)
{
end_sentence = last_nonspace;
break;
}
}
g_free (attrs);
if (end_sentence > 0)
{
i = end_sentence;
}
else
{
i = last_word;
}
if (i - start_sentence > MIN_LEN_FILENAME)
{
g_autofree char *substring = g_utf8_substring (trimmed, start_sentence, i);
filename = g_strdup_printf ("%s.txt", substring);
}
else
{
/* Translator: This is the filename used for when you dnd text to a directory */
filename = g_strdup (_("Dropped Text.txt"));
}
/* Remove any invalid characters */
for (current_char = filename;
*current_char;
current_char = g_utf8_next_char (current_char))
{
if (G_IS_DIR_SEPARATOR (g_utf8_get_char (current_char)))
{
*current_char = '-';
}
}
return filename;
}
void
nautilus_files_view_handle_text_drop (NautilusFilesView *view,
const char *text,
const char *target_uri,
GdkDragAction action)
{
gsize length;
char *container_uri;
char *filename;
if (text == NULL)
{
return;
}
g_return_if_fail (action == GDK_ACTION_COPY);
container_uri = NULL;
if (target_uri == NULL)
{
container_uri = nautilus_files_view_get_backing_uri (view);
g_assert (container_uri != NULL);
}
length = strlen (text);
/* try to get text to use as a filename */
filename = get_drop_filename (text);
nautilus_files_view_new_file_with_initial_contents (view,
target_uri != NULL ? target_uri : container_uri,
filename,
text,
length);
g_free (filename);
g_free (container_uri);
}
void
nautilus_files_view_drop_proxy_received_uris (NautilusFilesView *view,
const GList *source_uri_list,
const char *target_uri,
GdkDragAction action)
{
g_autofree char *container_uri = NULL;
g_autoptr (GFile) source_location = g_file_new_for_uri (source_uri_list->data);
g_autoptr (GFile) target_location = g_file_new_for_uri (target_uri);
if (target_uri == NULL)
{
container_uri = nautilus_files_view_get_backing_uri (view);
g_assert (container_uri != NULL);
}
if (g_file_has_parent (source_location, target_location) &&
action & GDK_ACTION_MOVE)
{
/* By default dragging to the same directory is allowed so that
* users can duplicate a file using the CTRL modifier key. Prevent
* an accidental MOVE, by rejecting what would be an error anyways. */
return;
}
if ((action != GDK_ACTION_COPY) &&
(action != GDK_ACTION_MOVE) &&
(action != GDK_ACTION_LINK))
{
show_dialog (_("Drag and drop is not supported."),
_("An invalid drag type was used."),
GET_ANCESTOR (view),
GTK_MESSAGE_WARNING);
return;
}
nautilus_files_view_move_copy_items (view, source_uri_list,
target_uri != NULL ? target_uri : container_uri,
action);
}
void
nautilus_files_view_handle_hover (NautilusFilesView *view,
const char *target_uri)
{
NautilusWindowSlot *slot;
GFile *location;
GFile *current_location;
NautilusFile *target_file;
gboolean target_is_dir;
gboolean open_folder_on_hover;
slot = nautilus_files_view_get_nautilus_window_slot (view);
location = g_file_new_for_uri (target_uri);
target_file = nautilus_file_get_existing (location);
target_is_dir = nautilus_file_get_file_type (target_file) == G_FILE_TYPE_DIRECTORY;
current_location = nautilus_window_slot_get_location (slot);
open_folder_on_hover = g_settings_get_boolean (nautilus_preferences,
NAUTILUS_PREFERENCES_OPEN_FOLDER_ON_DND_HOVER);
if (target_is_dir && open_folder_on_hover &&
!(current_location != NULL && g_file_equal (location, current_location)))
{
nautilus_application_open_location_full (NAUTILUS_APPLICATION (g_application_get_default ()),
location, NAUTILUS_OPEN_FLAG_DONT_MAKE_ACTIVE,
NULL, NULL, slot);
}
g_object_unref (location);
nautilus_file_unref (target_file);
}
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