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/* display status functions
*
* (C) 2020 by Andreas Eversberg <jolly@eversberg.eu>
* All Rights Reserved
*
* This program 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 3 of the License, or
* (at your option) any later version.
*
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include <sys/types.h>
#include "../libdebug/debug.h"
#include "call.h"
#include "display.h"
static int status_on = 0;
static int line_count = 0;
static int lines_total = 0;
static char screen[MAX_HEIGHT_STATUS][MAX_DISPLAY_WIDTH];
static char screen_color[MAX_HEIGHT_STATUS][MAX_DISPLAY_WIDTH];
static void print_status(int on)
{
int i, j;
int w, h;
char color, last_color = -1;
get_win_size(&w, &h);
if (w > MAX_DISPLAY_WIDTH - 1)
w = MAX_DISPLAY_WIDTH - 1;
if (w > MAX_DISPLAY_WIDTH)
w = MAX_DISPLAY_WIDTH;
h--;
if (h > lines_total)
h = lines_total;
printf("\0337\033[H");
for (i = 0; i < h; i++) {
j = 0;
if (on) {
for (j = 0; j < w; j++) {
color = screen_color[i][j];
if (screen[i][j] > ' ' && last_color != color) {
printf("\033[%d;3%dm", color / 10, color % 10);
last_color = color;
}
putchar(screen[i][j]);
}
} else {
for (j = 0; j < w; j++)
putchar(' ');
}
putchar('\n');
}
printf("\033[0;39m\0338"); fflush(stdout);
}
void display_status_on(int on)
{
if (status_on)
print_status(0);
if (on < 0)
status_on = 1 - status_on;
else
status_on = on;
if (status_on)
print_status(1);
if (status_on)
debug_limit_scroll = lines_total;
else
debug_limit_scroll = 0;
}
/* start status display */
void display_status_start(void)
{
memset(screen, ' ', sizeof(screen));
memset(screen_color, 7, sizeof(screen_color));
memset(screen[0], '-', sizeof(screen[0]));
memcpy(screen[0] + 4, "Call Status", 11);
line_count = 1;
}
void display_status_line(const char *from_if, int from_count, const char *from_id, int to_count, const char *to_if, const char *to_id, enum call_state to_state)
{
char line[MAX_DISPLAY_WIDTH + 4096];
char color[MAX_DISPLAY_WIDTH + 4096];
static int from_id_pos, to_if_pos;
memset(color, 7, sizeof(color)); // make valgrind happy
if (line_count == MAX_HEIGHT_STATUS)
return;
if (!from_if)
from_if = "<unknown>";
/* at first interface or when it changes */
if (!from_count && !to_count) {
from_id_pos = strlen(from_if) + 1;
line_count++;
}
/* at first call */
if (from_id && !to_count) {
to_if_pos = from_id_pos + 1 + strlen(from_id) + 1 + 4; /* quote,id,quote,arrow */
}
/* check line count again */
if (line_count == MAX_HEIGHT_STATUS)
return;
if (!from_id) {
/* only interface is given, since there is no call */
strcpy(line, from_if);
memset(color, 3, strlen(from_if));
} else {
/* originating call */
memset(line, ' ', to_if_pos);
if (!from_count && !to_count) {
/* <if> */
memcpy(line, from_if, strlen(from_if));
memset(color, 3, strlen(from_if));
}
if (!to_count) {
/* '<id>' */
line[from_id_pos] = '\'';
memcpy(line + from_id_pos + 1, from_id, strlen(from_id));
line[from_id_pos + 1 + strlen(from_id)] = '\'';
memset(color + from_id_pos, 1, 1 + strlen(from_id) + 1);
}
line[to_if_pos] = '\0';
/* terminating call */
if (to_if && to_id) {
int to_id_pos, to_state_pos;
/* arrow in the first line of a call */
if (!to_count) {
/* -> <if> '<id>' */
line[to_if_pos - 3] = '-';
line[to_if_pos - 2] = '>';
color[to_if_pos - 3] = 7;
color[to_if_pos - 2] = 7;
}
sprintf(line + to_if_pos, "%s '%s' ", to_if, to_id);
memset(color + to_if_pos, 3, strlen(to_if));
to_id_pos = to_if_pos + strlen(to_if) + 1;
memset(color + to_id_pos, 2, 1 + strlen(to_id) + 1);
to_state_pos = to_id_pos + 1 + strlen(to_id) + 1 + 1;
switch (to_state) {
case CALL_STATE_SETUP:
strcpy(line + to_state_pos, "[setup]");
/* magenta */
memset(color + to_state_pos + 1, 15, 5);
break;
case CALL_STATE_OVERLAP:
strcpy(line + to_state_pos, "[overlap]");
/* green */
memset(color + to_state_pos + 1, 12, 7);
break;
case CALL_STATE_PROCEEDING:
strcpy(line + to_state_pos, "[proceeding]");
/* cyan */
memset(color + to_state_pos + 1, 16, 10);
break;
case CALL_STATE_ALERTING:
strcpy(line + to_state_pos, "[alerting]");
/* yellow */
memset(color + to_state_pos + 1, 13, 8);
break;
case CALL_STATE_CONNECT:
strcpy(line + to_state_pos, "[connect]");
/* white */
memset(color + to_state_pos + 1, 17, 7);
break;
case CALL_STATE_DISC_FROM_ORIG:
strcpy(line + to_state_pos, "[out disconnect]");
/* red */
memset(color + to_state_pos + 1, 11, 14);
break;
case CALL_STATE_DISC_FROM_TERM:
strcpy(line + to_state_pos, "[in disconnect]");
/* red */
memset(color + to_state_pos + 1, 11, 13);
break;
default:
;
}
}
}
/* store line without CR, but not more than MAX_DISPLAY_WIDTH - 1 */
line[MAX_DISPLAY_WIDTH - 1] = '\0';
memcpy(screen[line_count], line, strlen(line));
memcpy(screen_color[line_count], color, strlen(line));
line_count++;
}
void display_status_end(void)
{
if (line_count < MAX_HEIGHT_STATUS)
line_count++;
if (line_count < MAX_HEIGHT_STATUS) {
memset(screen[line_count], '-', sizeof(screen[line_count]));
line_count++;
}
/* if last total lines exceed current line count, keep it, so removed lines are overwritten with spaces */
if (line_count > lines_total)
lines_total = line_count;
if (status_on)
print_status(1);
/* set new total lines */
lines_total = line_count;
if (status_on)
debug_limit_scroll = lines_total;
}
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