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/*
* Copyright (C) 2000, 2001, 2002 Marco Pesenti Gritti
*
* 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, 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, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "ephy-dnd.h"
#include <gtk/gtkselection.h>
#include <gtk/gtktreeview.h>
#include <string.h>
static GtkTargetEntry url_drag_types [] =
{
{ EPHY_DND_URI_LIST_TYPE, 0, EPHY_DND_URI_LIST },
{ EPHY_DND_TEXT_TYPE, 0, EPHY_DND_TEXT },
{ EPHY_DND_URL_TYPE, 0, EPHY_DND_URL }
};
static int n_url_drag_types = G_N_ELEMENTS (url_drag_types);
/* Encode a "_NETSCAPE_URL_" selection.
* As far as I can tell, Netscape is expecting a single
* URL to be returned. I cannot discover a way to construct
* a list to be returned that Netscape can understand.
* GMC also fails to do this as well.
*/
static void
add_one_netscape_url (const char *url, int x, int y, int w, int h, gpointer data)
{
GString *result;
result = (GString *) data;
if (result->len == 0) {
g_string_append (result, url);
}
}
static void
add_one_uri (const char *uri, int x, int y, int w, int h, gpointer data)
{
GString *result;
result = (GString *) data;
g_string_append (result, uri);
g_string_append (result, "\r\n");
}
gboolean
ephy_dnd_drag_data_get (GtkWidget *widget,
GdkDragContext *context,
GtkSelectionData *selection_data,
guint info,
guint32 time,
gpointer container_context,
EphyDragEachSelectedItemIterator each_selected_item_iterator)
{
GString *result;
switch (info) {
case EPHY_DND_URI_LIST:
case EPHY_DND_TEXT:
result = g_string_new (NULL);
(* each_selected_item_iterator) (add_one_uri, container_context, result);
break;
case EPHY_DND_URL:
result = g_string_new (NULL);
(* each_selected_item_iterator) (add_one_netscape_url, container_context, result);
break;
default:
return FALSE;
}
gtk_selection_data_set (selection_data,
selection_data->target,
8, result->str, result->len);
return TRUE;
}
void
ephy_dnd_url_drag_source_set (GtkWidget *widget)
{
gtk_drag_source_set (widget,
GDK_BUTTON1_MASK,
url_drag_types,
n_url_drag_types,
GDK_ACTION_COPY);
}
void
ephy_dnd_enable_model_drag_source (GtkWidget *treeview)
{
gtk_tree_view_enable_model_drag_source (GTK_TREE_VIEW (treeview),
GDK_BUTTON1_MASK,
url_drag_types, n_url_drag_types,
GDK_ACTION_COPY);
}
GList *
ephy_dnd_uri_list_extract_uris (const char *uri_list)
{
/* Note that this is mostly very stolen from old libgnome/gnome-mime.c */
const gchar *p, *q;
gchar *retval;
GList *result = NULL;
g_return_val_if_fail (uri_list != NULL, NULL);
p = uri_list;
/* We don't actually try to validate the URI according to RFC
* 2396, or even check for allowed characters - we just ignore
* comments and trim whitespace off the ends. We also
* allow LF delimination as well as the specified CRLF.
*/
while (p != NULL) {
if (*p != '#') {
while (g_ascii_isspace (*p))
p++;
q = p;
while ((*q != '\0')
&& (*q != '\n')
&& (*q != '\r'))
q++;
if (q > p) {
q--;
while (q > p
&& g_ascii_isspace (*q))
q--;
retval = g_malloc (q - p + 2);
strncpy (retval, p, q - p + 1);
retval[q - p + 1] = '\0';
result = g_list_prepend (result, retval);
}
}
p = strchr (p, '\n');
if (p != NULL)
p++;
}
return g_list_reverse (result);
}
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