63 lines
1.2 KiB
C
63 lines
1.2 KiB
C
// SPDX-License-Identifier: GPL-2.0
|
|
#include <stdio.h>
|
|
#include <stdlib.h>
|
|
#include <string.h>
|
|
#include <linux/kernel.h>
|
|
#include <linux/string.h>
|
|
|
|
#include "../helpline.h"
|
|
#include "../ui.h"
|
|
#include "../libslang.h"
|
|
|
|
char ui_helpline__last_msg[1024];
|
|
bool tui_helpline__set;
|
|
|
|
static void tui_helpline__pop(void)
|
|
{
|
|
}
|
|
|
|
static void tui_helpline__push(const char *msg)
|
|
{
|
|
const size_t sz = sizeof(ui_helpline__current);
|
|
|
|
SLsmg_gotorc(SLtt_Screen_Rows - 1, 0);
|
|
SLsmg_set_color(0);
|
|
SLsmg_write_nstring(msg, SLtt_Screen_Cols);
|
|
SLsmg_refresh();
|
|
strlcpy(ui_helpline__current, msg, sz);
|
|
}
|
|
|
|
static int tui_helpline__show(const char *format, va_list ap)
|
|
{
|
|
int ret;
|
|
static int backlog;
|
|
|
|
mutex_lock(&ui__lock);
|
|
ret = vscnprintf(ui_helpline__last_msg + backlog,
|
|
sizeof(ui_helpline__last_msg) - backlog, format, ap);
|
|
backlog += ret;
|
|
|
|
tui_helpline__set = true;
|
|
|
|
if (ui_helpline__last_msg[backlog - 1] == '\n') {
|
|
ui_helpline__puts(ui_helpline__last_msg);
|
|
SLsmg_refresh();
|
|
backlog = 0;
|
|
}
|
|
mutex_unlock(&ui__lock);
|
|
|
|
return ret;
|
|
}
|
|
|
|
struct ui_helpline tui_helpline_fns = {
|
|
.pop = tui_helpline__pop,
|
|
.push = tui_helpline__push,
|
|
.show = tui_helpline__show,
|
|
};
|
|
|
|
void ui_helpline__init(void)
|
|
{
|
|
helpline_fns = &tui_helpline_fns;
|
|
ui_helpline__puts(" ");
|
|
}
|