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Refactor, use libite (-lite) version of initscr()

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Signed-off-by: Joachim Nilsson <troglobit@gmail.com>
This commit is contained in:
Joachim Nilsson
2017-07-09 16:25:22 +02:00
parent 52fe525442
commit 14ee218443
2 changed files with 10 additions and 55 deletions
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src/util.c
+1 -53
View File
@@ -25,12 +25,7 @@
#include <ctype.h> /* isprint() */
#include <string.h>
#include <unistd.h>
#ifdef HAVE_TERMIOS_H /* for screen_width() */
#include <poll.h>
#include <stdio.h>
#include <termios.h>
#endif
#include "util.h"
int screen_rows = 24;
int screen_cols = 80;
@@ -78,53 +73,6 @@ char *sanitize(char *arg, size_t len)
return NULL;
}
static void initscr(int *row, int *col)
{
if (!row || !col)
return;
#if defined(TCSANOW) && defined(POLLIN)
struct termios tc, saved;
struct pollfd fd = { STDIN_FILENO, POLLIN, 0 };
/* Disable echo to terminal while probing */
tcgetattr(STDERR_FILENO, &tc);
saved = tc;
tc.c_cflag |= (CLOCAL | CREAD);
tc.c_lflag &= ~(ICANON | ECHO | ECHOE | ISIG);
tcsetattr(STDERR_FILENO, TCSANOW, &tc);
/*
* Save cursor pos+attr
* Diable top+bottom margins
* Set cursor at the far bottom,right pos
* Query term for resulting pos
*/
fprintf(stderr, "\e7" "\e[r" "\e[999;999H" "\e[6n");
/*
* Wait here for terminal to echo back \e[row,lineR ...
*/
if (poll(&fd, 1, 300) <= 0 || scanf("\e[%d;%dR", row, col) != 2) {
*row = 24;
*col = 80;
}
/*
* Restore above saved cursor pos+attr
*/
fprintf(stderr, "\e8");
/* Restore terminal */
tcsetattr(STDERR_FILENO, TCSANOW, &saved);
return;
#else
*row = 24;
*col = 80;
#endif
}
void screen_init(void)
{
initscr(&screen_rows, &screen_cols);
src/util.h
+9 -2
View File
@@ -24,13 +24,20 @@
#ifndef FINIT_UTIL_H_
#define FINIT_UTIL_H_
#define SCREEN_WIDTH screen_cols
#include <lite/conio.h>
#include "config.h"
#ifdef HAVE_TERMIOS_H /* for screen_width() */
#include <poll.h>
#include <stdio.h>
#include <termios.h>
#endif
extern int screen_rows;
extern int screen_cols;
extern char *prognm;
#define SCREEN_WIDTH screen_cols
#include <lite/conio.h>
char *progname (char *arg0);
void do_sleep (unsigned int sec);
char *sanitize (char *arg, size_t len);