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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 "ss5.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 *if_name, int link_count, const char *from_id, const char *to_id, enum ss5_state state)
{
char line[MAX_DISPLAY_WIDTH + 4096];
char color[MAX_DISPLAY_WIDTH + 4096];
int index, from_len, to_len;
memset(color, 7, sizeof(color)); // make valgrind happy
if (line_count == MAX_HEIGHT_STATUS)
return;
/* at first interface or when it changes */
if (!link_count)
line_count++;
/* check line count again */
if (line_count == MAX_HEIGHT_STATUS)
return;
if (!link_count) {
/* interface */
strcpy(line, if_name);
memset(color, 3, strlen(if_name));
} else {
memset(line, ' ', strlen(if_name));
}
index = strlen(if_name);
if (from_id && to_id) {
/* '<id>' */
sprintf(line + index, " \'%s\' -> \'%s\' ", from_id, to_id);
from_len = strlen(from_id);
to_len = strlen(to_id);
memset(color + index, 1, 4 + from_len);
memset(color + index + 4 + from_len, 7, 2);
memset(color + index + 4 + from_len + 2, 2, 4 + to_len);
index += 4 + from_len + 2 + 4 + to_len;
line[index] = '\0';
strcpy(line + index, ss5_state_names[state]);
memset(color + index, 7, strlen(ss5_state_names[state]));
}
/* 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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