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* $Id: drop.c,v 1.9 2005/06/25 01:37:44 daichik Exp $
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* Copyright (c) 2004, Christian Biere
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*----------------------------------------------------------------------
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* This file is part of gtk-gnutella.
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* gtk-gnutella is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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* gtk-gnutella is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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* You should have received a copy of the GNU General Public License
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* along with gtk-gnutella; if not, write to the Free Software
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* 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*----------------------------------------------------------------------
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* Drop support - no dragging, just dropping.
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* @author Christian Biere
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RCSID("$Id: drop.c,v 1.9 2005/06/25 01:37:44 daichik Exp $");
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#include "statusbar.h"
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#include "if/bridge/ui2c.h"
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#include "if/core/downloads.h" /* URN_INDEX */
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#include "if/core/guid.h" /* blank_guid[] */
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#include "if/gui_property_priv.h"
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#include "lib/glib-missing.h"
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#include "lib/override.h" /* Must be the last header included */
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static gboolean handle_not_implemented(gchar *url);
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static gboolean handle_magnet(gchar *url);
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static GtkClipboard *cb;
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const char * const proto;
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gboolean (* handler)(gchar *url);
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} proto_handlers[] = {
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{ "http", handle_not_implemented },
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{ "ftp", handle_not_implemented },
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{ "magnet", handle_magnet },
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handle_not_implemented(gchar *unused_url)
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statusbar_gui_warning(10,
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_("Support for this protocol is not yet implemented"));
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plus_to_space(gchar *s)
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for (p = s; (c = *p) != '\0'; p++)
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handle_magnet(gchar *url)
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} dl = { FALSE, NULL, 0, 0, NULL, NULL };
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p = strchr(url, ':');
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g_message("Invalid MAGNET URI");
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for (/* NOTHING */; p; p = next) {
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g_message("Invalid MAGNET URI");
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g_assert((ssize_t) (q - p) > 0);
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*q++ = '\0'; /* Overwrite '=' and skip to next character */
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next = strchr(q, '&');
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if (!url_unescape(q, TRUE)) {
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g_message("Invalidly encoded MAGNET URI");
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/* q points to the value; p is free to use */
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if (0 == strcmp(name, "dn")) {
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/* Descriptive Name */
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} else if (0 == strcmp(name, "xs")) {
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static const char n2r_query[] = "/uri-res/N2R?";
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static const char http_prefix[] = "http://";
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gchar digest[SHA1_RAW_SIZE];
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gchar *hostname = NULL;
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/* XXX: This should be handled elsewhere e.g., downloads.c in
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* Alternatives sources should be used
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g_message("More than one source; skipping");
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if (NULL == (p = is_strprefix(q, http_prefix))) {
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statusbar_gui_warning(10, _("MAGNET URI contained source URL "
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"for an unsupported protocol"));
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/* Skip this parameter */
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if (gchar_to_ip_strict(p, &addr, (const gchar **) &ep)) {
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g_message("Missing path in HTTP URL");
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*p++ = '\0'; /* Terminate hostname */
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v = gm_atoul(p, &ep2, &error);
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if (error || v >= 65535) {
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g_message("TCP port is out of range");
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/* Skip this parameter */
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g_message("Expected port followed by '/'");
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/* Skip this parameter */
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if (!is_strprefix(p, n2r_query)) {
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* Support e.g., "http://example.com/example.txt"
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g_message("Arbitrary HTTP URLs are not supported yet");
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*p = '\0'; /* terminate hostname */
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p += sizeof n2r_query - 1;
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if (!is_strprefix(p, "urn:sha1:")) {
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g_message("Expected ``urn:sha1:''");
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if (!urn_get_sha1(hash, digest)) {
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g_message("Bad SHA1 in MAGNET URI (%s)", hash);
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dl.hostname = hostname;
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} else if (0 == strcmp(name, "xt")) {
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/* eXact Topic search (by urn:sha1) */
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if (!is_strprefix(q, "urn:sha1:")) {
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statusbar_gui_warning(10, _("MAGNET URI contained exact topic "
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"search other than urn:sha1:"));
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/* Skip this parameter */
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search_gui_new_search(q, 0, NULL);
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} else if (0 == strcmp(name, "kt")) {
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/* Keyword Topic search */
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search_gui_new_search(q, 0, NULL);
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g_message("Unhandled parameter in MAGNET URI \"%s\"", name);
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/* FIXME: As long as downloading of files without a known size is
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* defective, we cannot initiate downloads this way. */
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filename = gm_sanitize_filename(dl.file, FALSE, FALSE);
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guc_download_new_unknown_size(filename, URN_INDEX, dl.ip,
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dl.port, blank_guid, dl.hostname, dl.sha1, time(NULL),
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if (filename != dl.file)
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G_FREE_NULL(filename);
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drag_data_received(GtkWidget *unused_widget, GdkDragContext *dc,
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gint x, gint y, GtkSelectionData *data, guint info, guint stamp,
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gpointer unused_udata)
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gboolean succ = FALSE;
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(void) unused_widget;
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g_message("drag_data_received: x=%d, y=%d, info=%u, t=%u",
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if (data->length > 0 && data->format == 8) {
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gchar *p, *url = (gchar *) data->data;
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g_message("drag_data_received: url=\"%s\"", url);
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p = strchr(url, ':');
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len = p ? p - url : 0;
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if (!p || (ssize_t) len < 1) {
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statusbar_gui_warning(10, _("Cannot handle the dropped data"));
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for (i = 0; i < G_N_ELEMENTS(proto_handlers); i++)
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if (is_strprefix(url, proto_handlers[i].proto)) {
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succ = proto_handlers[i].handler(url);
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if (i == G_N_ELEMENTS(proto_handlers))
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statusbar_gui_warning(10, _("Protocol is not supported"));
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gtk_drag_finish(dc, succ, FALSE, stamp);
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static const GtkTargetEntry targets[] = {
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{ "text/plain", 0, 23 },
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GtkWidget *w = GTK_WIDGET(main_window);
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g_return_if_fail(!cb);
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cb = gtk_clipboard_get(GDK_SELECTION_PRIMARY);
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g_return_if_fail(cb);
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g_signal_connect(G_OBJECT(w), "drag-data-received",
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G_CALLBACK(drag_data_received), NULL);
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gtk_drag_dest_set(w, GTK_DEST_DEFAULT_ALL, targets,
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G_N_ELEMENTS(targets), GDK_ACTION_COPY | GDK_ACTION_MOVE);
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gtk_drag_dest_set_target_list(w, gtk_target_list_new(targets,
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G_N_ELEMENTS(targets)));
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void drop_close(void)
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#endif /* USE_GTK2 */
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/* NOT IMPLEMENTED */
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void drop_close(void)
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/* NOT IMPLEMENTED */
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/* vi: set ts=4 sw=4 cindent: */
added
removed
src/ui/gtk/drop.c
