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/*
* wavemon - a wireless network monitoring aplication
*
* Copyright (c) 2001-2002 Jan Morgenstern <jan@jm-music.de>
*
* wavemon 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.
*
* wavemon 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.
*
* You should have received a copy of the GNU General Public License along
* with wavemon; see the file COPYING. If not, write to the Free Software
* Foundation, 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include "wavemon.h"
/**
* newwin_title - Create a new bordered window at (y, 0)
* @y: vertical row position to start at
* @h: height of the new window in lines
* @title: name of the window
* @nobottom: whether to keep the bottom of the box open
*/
WINDOW *newwin_title(int y, int h, const char *title, bool nobottom)
{
WINDOW *win = newwin(h, WAV_WIDTH, y, 0);
chtype top_left = y > 0 ? ACS_LTEE : ACS_ULCORNER;
chtype top_right = y > 0 ? ACS_RTEE : ACS_URCORNER;
if (nobottom) {
mvwaddch(win, 0, 0, top_left);
mvwhline(win, 0, 1, ACS_HLINE, MAXXLEN);
mvwvline(win, 1, 0, ACS_VLINE, h);
mvwaddch(win, 0, WAV_WIDTH - 1, top_right);
mvwvline(win, 1, WAV_WIDTH - 1, ACS_VLINE, h);
} else {
wborder(win, ACS_VLINE, ACS_VLINE, ACS_HLINE, ACS_HLINE,
top_left, top_right, ACS_LLCORNER, ACS_LRCORNER);
}
wattrset(win, COLOR_PAIR(CP_WTITLE));
mvwaddstr(win, 0, 2, title);
wattroff(win, COLOR_PAIR(CP_WTITLE));
return win;
}
/* clear inside window content up to the right border */
void mvwclrtoborder(WINDOW *win, int y, int x)
{
if (x >= 1 && x <= MAXXLEN)
mvwhline(win, y, x, ' ', 1 + MAXXLEN - x);
}
void wclrtoborder(WINDOW *win)
{
int x, y;
getyx(win, y, x);
mvwclrtoborder(win, y, x);
}
void waddstr_center(WINDOW *win, int y, const char *s)
{
mvwaddstr(win, y, (WAV_WIDTH - strlen(s)) / 2, s);
}
void wadd_attr_str(WINDOW *win, const int attrs, const char *s)
{
wattron(win, attrs);
waddstr(win, s);
wattroff(win, attrs);
}
/* Enforce that @str is at most @len characters (excluding the terminal '\0') */
const char *curtail(const char *str, const char *sep, int len)
{
static char out_buf[128];
const char fallback_sep[] = "~";
int l = 0, front, mid, back;
if (len >= sizeof(out_buf))
len = sizeof(out_buf) - 1;
if (sep == NULL || *sep == '\0')
sep = fallback_sep;
mid = strlen(sep);
if (mid > len) {
sep = fallback_sep;
mid = strlen(sep);
}
if (str != NULL)
l = strlen(str);
if (l <= len)
return str;
front = (len - mid)/2.0 + 0.5;
back = len - front - mid;
strncpy(out_buf, str, front);
strncpy(out_buf + front, sep, mid);
strncpy(out_buf + front + mid, str + l - back, back + 1);
return out_buf;
}
static double interpolate(const double val, const double min, const double max)
{
return val < min ? 0 :
val > max ? 1 : (val - min) / (max - min);
}
void waddbar(WINDOW *win, int y, float v, float min, float max,
int8_t *cscale, bool rev)
{
chtype ch = '=' | A_BOLD | cp_from_scale(v, cscale, rev);
int len = MAXXLEN * interpolate(v, min, max);
mvwhline(win, y, 1, ch, len);
mvwclrtoborder(win, y, len + 1);
}
void waddthreshold(WINDOW *win, int y, float v, float tv,
float minv, float maxv, int8_t *cscale, chtype tch)
{
if (tv > minv && tv < maxv) {
if (v > tv)
tch |= COLOR_PAIR(CP_STANDARD);
else
tch |= cp_from_scale(v, cscale, true);
mvwaddch(win, y, 1 + MAXXLEN * interpolate(tv, minv, maxv), tch);
}
}
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