80 lines
1.4 KiB
C
80 lines
1.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include "../debug.h"
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#include "helpline.h"
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#include "ui.h"
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#include "libslang.h"
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void ui_helpline__pop(void)
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{
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}
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char ui_helpline__current[512];
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void ui_helpline__push(const char *msg)
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{
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const size_t sz = sizeof(ui_helpline__current);
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SLsmg_gotorc(SLtt_Screen_Rows - 1, 0);
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SLsmg_set_color(0);
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SLsmg_write_nstring((char *)msg, SLtt_Screen_Cols);
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SLsmg_refresh();
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strncpy(ui_helpline__current, msg, sz)[sz - 1] = '\0';
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}
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void ui_helpline__vpush(const char *fmt, va_list ap)
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{
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char *s;
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if (vasprintf(&s, fmt, ap) < 0)
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vfprintf(stderr, fmt, ap);
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else {
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ui_helpline__push(s);
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free(s);
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}
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}
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void ui_helpline__fpush(const char *fmt, ...)
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{
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va_list ap;
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va_start(ap, fmt);
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ui_helpline__vpush(fmt, ap);
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va_end(ap);
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}
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void ui_helpline__puts(const char *msg)
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{
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ui_helpline__pop();
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ui_helpline__push(msg);
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}
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void ui_helpline__init(void)
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{
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ui_helpline__puts(" ");
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}
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char ui_helpline__last_msg[1024];
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int ui_helpline__show_help(const char *format, va_list ap)
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{
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int ret;
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static int backlog;
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pthread_mutex_lock(&ui__lock);
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ret = vscnprintf(ui_helpline__last_msg + backlog,
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sizeof(ui_helpline__last_msg) - backlog, format, ap);
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backlog += ret;
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if (ui_helpline__last_msg[backlog - 1] == '\n') {
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ui_helpline__puts(ui_helpline__last_msg);
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SLsmg_refresh();
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backlog = 0;
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}
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pthread_mutex_unlock(&ui__lock);
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return ret;
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}
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