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/* nautilus-clipboard.c
*
* Nautilus Clipboard support. For now, routines to support component cut
* and paste.
*
* 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 Library 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
* Library General Public License for more details.
*
* You should have received a copy of the GNU Library General Public
* License along with this program; if not, see <http://www.gnu.org/licenses/>.
*
* Authors: Rebecca Schulman <rebecka@eazel.com>,
* Darin Adler <darin@bentspoon.com>
*/
#include <config.h>
#include "nautilus-clipboard.h"
#include "nautilus-file-utilities.h"
#include <glib/gi18n.h>
#include <gtk/gtk.h>
#include <string.h>
static GList *
convert_lines_to_str_list (char **lines,
gboolean *cut)
{
int i;
GList *result;
if (cut)
{
*cut = FALSE;
}
if (lines[0] == NULL)
{
return NULL;
}
if (strcmp (lines[0], "cut") == 0)
{
if (cut)
{
*cut = TRUE;
}
}
else if (strcmp (lines[0], "copy") != 0)
{
return NULL;
}
result = NULL;
for (i = 1; lines[i] != NULL; i++)
{
result = g_list_prepend (result, g_strdup (lines[i]));
}
return g_list_reverse (result);
}
GList *
nautilus_clipboard_get_uri_list_from_selection_data (GtkSelectionData *selection_data,
gboolean *cut,
GdkAtom copied_files_atom)
{
GList *items;
char **lines;
if (gtk_selection_data_get_data_type (selection_data) != copied_files_atom
|| gtk_selection_data_get_length (selection_data) <= 0)
{
items = NULL;
}
else
{
gchar *data;
/* Not sure why it's legal to assume there's an extra byte
* past the end of the selection data that it's safe to write
* to. But gtk_editable_selection_received does this, so I
* think it is OK.
*/
data = (gchar *) gtk_selection_data_get_data (selection_data);
data[gtk_selection_data_get_length (selection_data)] = '\0';
lines = g_strsplit (data, "\n", 0);
items = convert_lines_to_str_list (lines, cut);
g_strfreev (lines);
}
return items;
}
GtkClipboard *
nautilus_clipboard_get (GtkWidget *widget)
{
return gtk_clipboard_get_for_display (gtk_widget_get_display (GTK_WIDGET (widget)),
GDK_SELECTION_CLIPBOARD);
}
void
nautilus_clipboard_clear_if_colliding_uris (GtkWidget *widget,
const GList *item_uris,
GdkAtom copied_files_atom)
{
GtkSelectionData *data;
GList *clipboard_item_uris, *l;
gboolean collision;
collision = FALSE;
data = gtk_clipboard_wait_for_contents (nautilus_clipboard_get (widget),
copied_files_atom);
if (data == NULL)
{
return;
}
clipboard_item_uris = nautilus_clipboard_get_uri_list_from_selection_data (data, NULL,
copied_files_atom);
for (l = (GList *) item_uris; l; l = l->next)
{
if (g_list_find_custom ((GList *) item_uris, l->data,
(GCompareFunc) g_strcmp0))
{
collision = TRUE;
break;
}
}
if (collision)
{
gtk_clipboard_clear (nautilus_clipboard_get (widget));
}
if (clipboard_item_uris)
{
g_list_free_full (clipboard_item_uris, g_free);
}
}
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