1#include <stdio.h>
2#include <stdlib.h>
3#include <string.h>
4#include <pthread.h>
5
6#include "../../util/debug.h"
7#include "../helpline.h"
8#include "../ui.h"
9#include "../libslang.h"
10
11char ui_helpline__last_msg[1024];
12bool tui_helpline__set;
13
14static void tui_helpline__pop(void)
15{
16}
17
18static void tui_helpline__push(const char *msg)
19{
20	const size_t sz = sizeof(ui_helpline__current);
21
22	SLsmg_gotorc(SLtt_Screen_Rows - 1, 0);
23	SLsmg_set_color(0);
24	SLsmg_write_nstring((char *)msg, SLtt_Screen_Cols);
25	SLsmg_refresh();
26	strncpy(ui_helpline__current, msg, sz)[sz - 1] = '\0';
27}
28
29static int tui_helpline__show(const char *format, va_list ap)
30{
31	int ret;
32	static int backlog;
33
34	pthread_mutex_lock(&ui__lock);
35	ret = vscnprintf(ui_helpline__last_msg + backlog,
36			sizeof(ui_helpline__last_msg) - backlog, format, ap);
37	backlog += ret;
38
39	tui_helpline__set = true;
40
41	if (ui_helpline__last_msg[backlog - 1] == '\n') {
42		ui_helpline__puts(ui_helpline__last_msg);
43		SLsmg_refresh();
44		backlog = 0;
45	}
46	pthread_mutex_unlock(&ui__lock);
47
48	return ret;
49}
50
51struct ui_helpline tui_helpline_fns = {
52	.pop	= tui_helpline__pop,
53	.push	= tui_helpline__push,
54	.show	= tui_helpline__show,
55};
56
57void ui_helpline__init(void)
58{
59	helpline_fns = &tui_helpline_fns;
60	ui_helpline__puts(" ");
61}
62