Some internal changes how /SERVER command works. Added /SERVER PURGE

[<target>] command. The channel output is purged at /PART if the output
queue is larger than 10.


git-svn-id: http://svn.irssi.org/repos/irssi/trunk@1759 dbcabf3a-b0e7-0310-adc4-f8d773084564

8 files changed, 127 insertions, 30 deletions

diff --git a/src/core/chat-commands.c b/src/core/chat-commands.c
index 02ce45bf..6ddd2f1a 100644
--- a/src/core/chat-commands.c
+++ b/src/core/chat-commands.c
@@ -175,9 +175,20 @@ static void update_reconnection(SERVER_CONNECT_REC *conn, SERVER_REC *server)
 	}
 }
 
+static void cmd_server(const char *data, SERVER_REC *server, WI_ITEM_REC *item)
+{
+	command_runsub("server", data, server, item);
+}
+
+static void sig_default_command_server(const char *data, SERVER_REC *server,
+				       WI_ITEM_REC *item)
+{
+        signal_emit("command server connect", 3, data, server, item);
+}
+
 /* SYNTAX: SERVER [-4 | -6] [-ircnet <ircnet>] [-host <hostname>]
                   [+]<address>|<chatnet> [<port> [<password> [<nick>]]] */
-static void cmd_server(const char *data, SERVER_REC *server)
+static void cmd_server_connect(const char *data, SERVER_REC *server)
 {
 	SERVER_CONNECT_REC *conn;
 	int plus_addr;
@@ -366,6 +377,7 @@ void chat_commands_init(void)
 	settings_add_str("misc", "quit_message", "leaving");
 
 	command_bind("server", NULL, (SIGNAL_FUNC) cmd_server);
+	command_bind("server connect", NULL, (SIGNAL_FUNC) cmd_server_connect);
 	command_bind("connect", NULL, (SIGNAL_FUNC) cmd_connect);
 	command_bind("disconnect", NULL, (SIGNAL_FUNC) cmd_disconnect);
 	command_bind("quit", NULL, (SIGNAL_FUNC) cmd_quit);
@@ -376,6 +388,8 @@ void chat_commands_init(void)
 	command_bind("foreach channel", NULL, (SIGNAL_FUNC) cmd_foreach_channel);
 	command_bind("foreach query", NULL, (SIGNAL_FUNC) cmd_foreach_query);
 
+        signal_add("default command server", (SIGNAL_FUNC) sig_default_command_server);
+
 	command_set_options("connect", "4 6 +host");
 	command_set_options("join", "invite");
 }
@@ -383,6 +397,7 @@ void chat_commands_init(void)
 void chat_commands_deinit(void)
 {
 	command_unbind("server", (SIGNAL_FUNC) cmd_server);
+	command_unbind("server connect", (SIGNAL_FUNC) cmd_server_connect);
 	command_unbind("connect", (SIGNAL_FUNC) cmd_connect);
 	command_unbind("disconnect", (SIGNAL_FUNC) cmd_disconnect);
 	command_unbind("quit", (SIGNAL_FUNC) cmd_quit);
@@ -392,4 +407,6 @@ void chat_commands_deinit(void)
 	command_unbind("foreach server", (SIGNAL_FUNC) cmd_foreach_server);
 	command_unbind("foreach channel", (SIGNAL_FUNC) cmd_foreach_channel);
 	command_unbind("foreach query", (SIGNAL_FUNC) cmd_foreach_query);
+
+        signal_remove("default command server", (SIGNAL_FUNC) sig_default_command_server);
 }
diff --git a/src/fe-common/core/fe-server.c b/src/fe-common/core/fe-server.c
index 025c77d7..b50efd0a 100644
--- a/src/fe-common/core/fe-server.c
+++ b/src/fe-common/core/fe-server.c
@@ -189,36 +189,30 @@ static void cmd_server_remove(const char *data)
 	cmd_params_free(free_arg);
 }
 
-static void cmd_server(const char *data, SERVER_REC *server, void *item)
+static void cmd_server(const char *data)
 {
-	GHashTable *optlist;
-	char *addr;
-	void *free_arg;
-
-	if (*data == '\0') {
-		if (servers == NULL && lookup_servers == NULL &&
-		    reconnects == NULL) {
-			printformat(NULL, NULL, MSGLEVEL_CLIENTNOTICE,
-                                    TXT_NO_CONNECTED_SERVERS);
-		} else {
-			print_servers();
-			print_lookup_servers();
-			print_reconnects();
-		}
-
-		signal_stop();
+	if (*data != '\0')
 		return;
-	}
 
-	if (g_strncasecmp(data, "add ", 4) == 0 ||
-	    g_strncasecmp(data, "remove ", 7) == 0 ||
-	    g_strcasecmp(data, "list") == 0 ||
-	    g_strncasecmp(data, "list ", 5) == 0) {
-		command_runsub("server", data, server, item);
-		signal_stop();
-		return;
+	if (servers == NULL && lookup_servers == NULL &&
+	    reconnects == NULL) {
+		printformat(NULL, NULL, MSGLEVEL_CLIENTNOTICE,
+			    TXT_NO_CONNECTED_SERVERS);
+	} else {
+		print_servers();
+		print_lookup_servers();
+		print_reconnects();
 	}
 
+        signal_stop();
+}
+
+static void cmd_server_connect(const char *data)
+{
+	GHashTable *optlist;
+	char *addr;
+	void *free_arg;
+
 	if (!cmd_get_params(data, &free_arg, 1 | PARAM_FLAG_OPTIONS,
 			    "connect", &optlist, &addr))
 		return;
@@ -324,6 +318,7 @@ static void sig_chat_protocol_unknown(const char *protocol)
 void fe_server_init(void)
 {
 	command_bind("server", NULL, (SIGNAL_FUNC) cmd_server);
+	command_bind("server connect", NULL, (SIGNAL_FUNC) cmd_server_connect);
 	command_bind("server add", NULL, (SIGNAL_FUNC) cmd_server_add);
 	command_bind("server remove", NULL, (SIGNAL_FUNC) cmd_server_remove);
 	command_set_options("server add", "4 6 auto noauto -host -port");
@@ -345,6 +340,7 @@ void fe_server_init(void)
 void fe_server_deinit(void)
 {
 	command_unbind("server", (SIGNAL_FUNC) cmd_server);
+	command_unbind("server connect", (SIGNAL_FUNC) cmd_server_connect);
 	command_unbind("server add", (SIGNAL_FUNC) cmd_server_add);
 	command_unbind("server remove", (SIGNAL_FUNC) cmd_server_remove);
 
diff --git a/src/fe-text/gui-printtext.c b/src/fe-text/gui-printtext.c
index 9444fdf3..5d94d877 100644
--- a/src/fe-text/gui-printtext.c
+++ b/src/fe-text/gui-printtext.c
@@ -44,6 +44,18 @@ void gui_printtext(int xpos, int ypos, const char *str)
 	next_xpos = next_ypos = -1;
 }
 
+void gui_printtext_after(TEXT_DEST_REC *dest, LINE_REC *prev, const char *str)
+{
+	GUI_WINDOW_REC *gui;
+
+	gui = WINDOW_GUI(dest->window);
+
+	gui->use_insert_after = TRUE;
+	gui->insert_after = prev;
+	format_send_to_gui(dest, str);
+	gui->use_insert_after = FALSE;
+}
+
 static void remove_old_lines(TEXT_BUFFER_VIEW_REC *view)
 {
 	LINE_REC *line;
diff --git a/src/fe-text/gui-printtext.h b/src/fe-text/gui-printtext.h
index 3b2098b7..44f2b44e 100644
--- a/src/fe-text/gui-printtext.h
+++ b/src/fe-text/gui-printtext.h
@@ -2,6 +2,7 @@
 #define __GUI_PRINTTEXT_H
 
 #include "gui-windows.h"
+#include "formats.h"
 
 extern int mirc_colors[];
 
@@ -9,5 +10,6 @@ void gui_printtext_init(void);
 void gui_printtext_deinit(void);
 
 void gui_printtext(int xpos, int ypos, const char *str);
+void gui_printtext_after(TEXT_DEST_REC *dest, LINE_REC *prev, const char *str);
 
 #endif
diff --git a/src/fe-text/textbuffer-reformat.c b/src/fe-text/textbuffer-reformat.c
index 7e0d7b4f..d719c468 100644
--- a/src/fe-text/textbuffer-reformat.c
+++ b/src/fe-text/textbuffer-reformat.c
@@ -25,6 +25,7 @@
 #include "formats.h"
 
 #include "gui-windows.h"
+#include "gui-printtext.h"
 #include "textbuffer.h"
 
 static GString *format;
@@ -187,10 +188,7 @@ void textbuffer_reformat_line(WINDOW_REC *window, LINE_REC *line)
 		g_free(str);
 		g_free(prestr);
 
-                gui->use_insert_after = TRUE;
-                gui->insert_after = line_prev;
-		format_send_to_gui(&dest, tmp);
-                gui->use_insert_after = FALSE;
+                gui_printtext_after(&dest, line_prev, tmp);
 		g_free(tmp);
 
                 line = textbuffer_insert(gui->view->buffer, gui->insert_after,
diff --git a/src/irc/core/irc-commands.c b/src/irc/core/irc-commands.c
index bbb2ee05..d3eefbbf 100644
--- a/src/irc/core/irc-commands.c
+++ b/src/irc/core/irc-commands.c
@@ -43,6 +43,13 @@
    is required */
 #define LIST_MAX_CHANNELS_PASS 1000
 
+/* When /PARTing a channel, if there's more messages in output queue
+   than this, purge the output for channel. The idea behind this is that
+   if you accidentally pasted some large text and /PART the channel, the
+   text won't be fully pasted. Note that this counter is the whole size
+   of the output queue, not channel specific.. */
+#define MAX_COMMANDS_ON_PART_UNTIL_PURGE 10
+
 typedef struct {
 	IRC_CHANNEL_REC *channel;
 	char *ban;
@@ -132,6 +139,10 @@ static void cmd_part(const char *data, IRC_SERVER_REC *server, WI_ITEM_REC *item
 	if (*channame == '\0') cmd_param_error(CMDERR_NOT_ENOUGH_PARAMS);
 
 	if (*msg == '\0') msg = (char *) settings_get_str("part_message");
+
+        if (server->cmdcount > MAX_COMMANDS_ON_PART_UNTIL_PURGE)
+		irc_server_purge_output(server, channame);
+
 	irc_send_cmdv(server, *msg == '\0' ? "PART %s" : "PART %s :%s",
 		      channame, msg);
 
@@ -833,6 +844,24 @@ static void cmd_knockout(const char *data, IRC_SERVER_REC *server,
 	cmd_params_free(free_arg);
 }
 
+/* SYNTAX: SERVER PURGE [<target>] */
+static void cmd_server_purge(const char *data, IRC_SERVER_REC *server)
+{
+        char *target;
+	void *free_arg;
+
+	g_return_if_fail(data != NULL);
+	if (!IS_IRC_SERVER(server) || !server->connected)
+		cmd_return_error(CMDERR_NOT_CONNECTED);
+
+	if (!cmd_get_params(data, &free_arg, 1, &target))
+		return;
+
+	irc_server_purge_output(server, *target == '\0' ? NULL : target);
+
+	cmd_params_free(free_arg);
+}
+
 /* destroy all knockouts in server */
 static void sig_server_disconnected(IRC_SERVER_REC *server)
 {
@@ -1060,6 +1089,7 @@ void irc_commands_init(void)
 	command_bind("wallchops", NULL, (SIGNAL_FUNC) command_2self);
 	command_bind("kickban", NULL, (SIGNAL_FUNC) cmd_kickban);
 	command_bind("knockout", NULL, (SIGNAL_FUNC) cmd_knockout);
+	command_bind("server purge", NULL, (SIGNAL_FUNC) cmd_server_purge);
 
 	signal_add("channel destroyed", (SIGNAL_FUNC) sig_channel_destroyed);
 	signal_add("server disconnected", (SIGNAL_FUNC) sig_server_disconnected);
@@ -1131,6 +1161,8 @@ void irc_commands_deinit(void)
 	command_unbind("wallchops", (SIGNAL_FUNC) command_2self);
 	command_unbind("kickban", (SIGNAL_FUNC) cmd_kickban);
 	command_unbind("knockout", (SIGNAL_FUNC) cmd_knockout);
+	command_unbind("server purge", (SIGNAL_FUNC) cmd_server_purge);
+
 	signal_remove("channel destroyed", (SIGNAL_FUNC) sig_channel_destroyed);
 	signal_remove("server disconnected", (SIGNAL_FUNC) sig_server_disconnected);
 	signal_remove("nickchange over", (SIGNAL_FUNC) sig_nickchange_over);
diff --git a/src/irc/core/irc-servers.c b/src/irc/core/irc-servers.c
index 0d07149f..11cef94d 100644
--- a/src/irc/core/irc-servers.c
+++ b/src/irc/core/irc-servers.c
@@ -187,6 +187,43 @@ IRC_SERVER_REC *irc_server_connect(IRC_SERVER_CONNECT_REC *conn)
 	return server;
 }
 
+/* Returns TRUE if `command' is sent to `target' */
+static int command_has_target(const char *cmd, const char *target)
+{
+	const char *p;
+        int len;
+
+        /* just assume the command is in form "<command> <target> <data>" */
+        p = strchr(cmd, ' ');
+	if (p == NULL) return FALSE;
+	p++;
+
+        len = strlen(target);
+	return strncmp(p, target, len) == 0 && p[len] == ' ';
+}
+
+/* Purge server output, either all or for specified target */
+void irc_server_purge_output(IRC_SERVER_REC *server, const char *target)
+{
+	GSList *tmp, *next;
+	char *cmd;
+
+	if (target != NULL && *target == '\0')
+                target = NULL;
+
+	for (tmp = server->cmdqueue; tmp != NULL; tmp = next) {
+		next = tmp->next;
+		cmd = tmp->data;
+
+		if ((target == NULL || command_has_target(cmd, target)) &&
+		    g_strncasecmp(cmd, "PONG ", 5) != 0) {
+			server->cmdqueue =
+				g_slist_remove(server->cmdqueue, cmd);
+                        server->cmdcount--;
+		}
+	}
+}
+
 static void sig_connected(IRC_SERVER_REC *server)
 {
 	if (!IS_IRC_SERVER(server))
diff --git a/src/irc/core/irc-servers.h b/src/irc/core/irc-servers.h
index e9d357ba..9a4f0ea8 100644
--- a/src/irc/core/irc-servers.h
+++ b/src/irc/core/irc-servers.h
@@ -91,6 +91,9 @@ typedef struct {
 
 IRC_SERVER_REC *irc_server_connect(IRC_SERVER_CONNECT_REC *conn);
 
+/* Purge server output, either all or for specified target */
+void irc_server_purge_output(IRC_SERVER_REC *server, const char *target);
+
 /* Return a string of all channels (and keys, if any have them) in server,
    like "#a,#b,#c,#d x,b_chan_key,x,x" or just "#e,#f,#g" */
 char *irc_server_get_channels(IRC_SERVER_REC *server);