Added /SET reuse_unused_windows setting, default is OFF

If window_close_on_part is ON, we don't anymore close the window if we
get kicked or connection gets lost. Also don't close DCC chat window if
the other side disconnects.


git-svn-id: http://svn.irssi.org/repos/irssi/trunk@357 dbcabf3a-b0e7-0310-adc4-f8d773084564

src/irc/core/query.h

@@ -14,6 +14,7 @@ typedef struct {
 
 	char *address;
 	char *server_tag;
+	int unwanted:1; /* TRUE if the other side closed or some error occured (DCC chats!) */
 	int destroying:1;
 } QUERY_REC;
 

src/irc/dcc/dcc-chat.c

@@ -166,6 +166,7 @@ static void dcc_chat_input(DCC_REC *dcc)
 		ret = line_split(tmpbuf, recvlen, &str, (LINEBUF_REC **) &dcc->databuf);
 		if (ret == -1) {
 			/* connection lost */
+                        dcc->connection_lost = TRUE;
 			signal_emit("dcc closed", 1, dcc);
 			dcc_destroy(dcc);
 			break;

src/irc/dcc/dcc.h

@@ -53,6 +53,7 @@ typedef struct DCC_REC {
 	int gotalldata:1; /* DCC fast send: got all acks from the other end (needed to make sure the end of transfer works right) */
 
 	int mirc_ctcp:1; /* DCC chat: Send CTCPs without the CTCP_MESSAGE prefix */
+	int connection_lost:1; /* DCC chat: other side closed connection */
 	int destroyed:1; /* We're about to destroy this DCC recond */
 
 	/* read/write counter buffer */