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/**********************************************************************
Freeciv - Copyright (C) 1996 - A Kjeldberg, L Gregersen, P Unold
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.
***********************************************************************/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <assert.h>
#include <string.h>
#include "astring.h"
#include "log.h"
#include "packets.h"
#include "support.h"
#include "chatline_g.h"
#include "chatline_common.h"
#include "clinet.h"
/* Stored up buffer of lines for the chatline */
struct remaining {
char *text;
int conn_id;
};
#define SPECLIST_TAG remaining
#include "speclist.h"
#define remaining_list_iterate(rlist, pline) \
TYPED_LIST_ITERATE(struct remaining, rlist, pline)
#define remaining_list_iterate_end LIST_ITERATE_END
static struct remaining_list *remains;
/**************************************************************************
Initialize data structures.
**************************************************************************/
void chatline_common_init(void)
{
remains = remaining_list_new();
}
/**************************************************************************
Clean up.
**************************************************************************/
void chatline_common_done(void)
{
remaining_list_free(remains);
}
/**************************************************************************
Send the message as a chat to the server.
**************************************************************************/
void send_chat(const char *message)
{
dsend_packet_chat_msg_req(&aconnection, message);
}
static int frozen_level = 0;
/**************************************************************************
Turn on buffering, using a counter so that calls may be nested.
**************************************************************************/
void output_window_freeze()
{
frozen_level++;
if (frozen_level == 1) {
assert(remaining_list_size(remains) == 0);
}
}
/**************************************************************************
Turn off buffering if internal counter of number of times buffering
was turned on falls to zero, to handle nested freeze/thaw pairs.
When counter is zero, append the picked up data.
**************************************************************************/
void output_window_thaw()
{
frozen_level--;
assert(frozen_level >= 0);
if (frozen_level == 0) {
remaining_list_iterate(remains, pline) {
append_output_window_full(pline->text, pline->conn_id);
free(pline->text);
free(pline);
} remaining_list_iterate_end;
remaining_list_unlink_all(remains);
}
}
/**************************************************************************
Turn off buffering and append the picked up data.
**************************************************************************/
void output_window_force_thaw()
{
if (frozen_level > 0) {
frozen_level = 1;
output_window_thaw();
}
}
/**************************************************************************
Add a line of text to the output ("chatline") window.
**************************************************************************/
void append_output_window(const char *astring)
{
append_output_window_full(astring, -1);
}
/**************************************************************************
Same as above, but here we know the connection id of the sender of the
text in question.
**************************************************************************/
void append_output_window_full(const char *astring, int conn_id)
{
if (frozen_level == 0) {
real_append_output_window(astring, conn_id);
} else {
struct remaining *premain = fc_malloc(sizeof(*premain));
remaining_list_append(remains, premain);
premain->text = mystrdup(astring);
premain->conn_id = conn_id;
}
}
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