blob: e4d322ce0b54cbc6fbcf521c7f57b3fece184e48 [file] [log] [blame]
// SPDX-License-Identifier: GPL-2.0
#include <signal.h>
#include <stdbool.h>
#include <string.h>
#include <stdlib.h>
#include <sys/ttydefaults.h>
#include "../browser.h"
#include "../keysyms.h"
#include "../helpline.h"
#include "../ui.h"
#include "../util.h"
#include "../libslang.h"
static void ui_browser__argv_write(struct ui_browser *browser,
void *entry, int row)
{
char **arg = entry;
bool current_entry = ui_browser__is_current_entry(browser, row);
ui_browser__set_color(browser, current_entry ? HE_COLORSET_SELECTED :
HE_COLORSET_NORMAL);
ui_browser__write_nstring(browser, *arg, browser->width);
}
static int popup_menu__run(struct ui_browser *menu, int *keyp)
{
int key;
if (ui_browser__show(menu, " ", "ESC: exit, ENTER|->: Select option") < 0)
return -1;
while (1) {
key = ui_browser__run(menu, 0);
switch (key) {
case K_RIGHT:
case K_ENTER:
key = menu->index;
break;
case K_LEFT:
case K_ESC:
case 'q':
case CTRL('c'):
key = -1;
break;
default:
if (keyp) {
*keyp = key;
key = menu->nr_entries;
break;
}
continue;
}
break;
}
ui_browser__hide(menu);
return key;
}
int ui__popup_menu(int argc, char * const argv[], int *keyp)
{
struct ui_browser menu = {
.entries = (void *)argv,
.refresh = ui_browser__argv_refresh,
.seek = ui_browser__argv_seek,
.write = ui_browser__argv_write,
.nr_entries = argc,
};
return popup_menu__run(&menu, keyp);
}
int ui_browser__input_window(const char *title, const char *text, char *input,
const char *exit_msg, int delay_secs)
{
int x, y, len, key;
int max_len = 60, nr_lines = 0;
static char buf[50];
const char *t;
t = text;
while (1) {
const char *sep = strchr(t, '\n');
if (sep == NULL)
sep = strchr(t, '\0');
len = sep - t;
if (max_len < len)
max_len = len;
++nr_lines;
if (*sep == '\0')
break;
t = sep + 1;
}
mutex_lock(&ui__lock);
max_len += 2;
nr_lines += 8;
y = SLtt_Screen_Rows / 2 - nr_lines / 2;
x = SLtt_Screen_Cols / 2 - max_len / 2;
SLsmg_set_color(0);
SLsmg_draw_box(y, x++, nr_lines, max_len);
if (title) {
SLsmg_gotorc(y, x + 1);
SLsmg_write_string(title);
}
SLsmg_gotorc(++y, x);
nr_lines -= 7;
max_len -= 2;
SLsmg_write_wrapped_string((unsigned char *)text, y, x,
nr_lines, max_len, 1);
y += nr_lines;
len = 5;
while (len--) {
SLsmg_gotorc(y + len - 1, x);
SLsmg_write_nstring(" ", max_len);
}
SLsmg_draw_box(y++, x + 1, 3, max_len - 2);
SLsmg_gotorc(y + 3, x);
SLsmg_write_nstring(exit_msg, max_len);
SLsmg_refresh();
mutex_unlock(&ui__lock);
x += 2;
len = 0;
key = ui__getch(delay_secs);
while (key != K_TIMER && key != K_ENTER && key != K_ESC) {
mutex_lock(&ui__lock);
if (key == K_BKSPC) {
if (len == 0) {
mutex_unlock(&ui__lock);
goto next_key;
}
SLsmg_gotorc(y, x + --len);
SLsmg_write_char(' ');
} else {
buf[len] = key;
SLsmg_gotorc(y, x + len++);
SLsmg_write_char(key);
}
SLsmg_refresh();
mutex_unlock(&ui__lock);
/* XXX more graceful overflow handling needed */
if (len == sizeof(buf) - 1) {
ui_helpline__push("maximum size of symbol name reached!");
key = K_ENTER;
break;
}
next_key:
key = ui__getch(delay_secs);
}
buf[len] = '\0';
strncpy(input, buf, len+1);
return key;
}
void __ui__info_window(const char *title, const char *text, const char *exit_msg)
{
int x, y;
int max_len = 0, nr_lines = 0;
const char *t;
t = text;
while (1) {
const char *sep = strchr(t, '\n');
int len;
if (sep == NULL)
sep = strchr(t, '\0');
len = sep - t;
if (max_len < len)
max_len = len;
++nr_lines;
if (*sep == '\0')
break;
t = sep + 1;
}
max_len += 2;
nr_lines += 2;
if (exit_msg)
nr_lines += 2;
y = SLtt_Screen_Rows / 2 - nr_lines / 2,
x = SLtt_Screen_Cols / 2 - max_len / 2;
SLsmg_set_color(0);
SLsmg_draw_box(y, x++, nr_lines, max_len);
if (title) {
SLsmg_gotorc(y, x + 1);
SLsmg_write_string(title);
}
SLsmg_gotorc(++y, x);
if (exit_msg)
nr_lines -= 2;
max_len -= 2;
SLsmg_write_wrapped_string((unsigned char *)text, y, x,
nr_lines, max_len, 1);
if (exit_msg) {
SLsmg_gotorc(y + nr_lines - 2, x);
SLsmg_write_nstring(" ", max_len);
SLsmg_gotorc(y + nr_lines - 1, x);
SLsmg_write_nstring(exit_msg, max_len);
}
}
void ui__info_window(const char *title, const char *text)
{
mutex_lock(&ui__lock);
__ui__info_window(title, text, NULL);
SLsmg_refresh();
mutex_unlock(&ui__lock);
}
int ui__question_window(const char *title, const char *text,
const char *exit_msg, int delay_secs)
{
mutex_lock(&ui__lock);
__ui__info_window(title, text, exit_msg);
SLsmg_refresh();
mutex_unlock(&ui__lock);
return ui__getch(delay_secs);
}
int ui__help_window(const char *text)
{
return ui__question_window("Help", text, "Press any key...", 0);
}
int ui__dialog_yesno(const char *msg)
{
return ui__question_window(NULL, msg, "Enter: Yes, ESC: No", 0);
}
static int __ui__warning(const char *title, const char *format, va_list args)
{
char *s;
if (vasprintf(&s, format, args) > 0) {
int key;
key = ui__question_window(title, s, "Press any key...", 0);
free(s);
return key;
}
fprintf(stderr, "%s\n", title);
vfprintf(stderr, format, args);
return K_ESC;
}
static int perf_tui__error(const char *format, va_list args)
{
return __ui__warning("Error:", format, args);
}
static int perf_tui__warning(const char *format, va_list args)
{
return __ui__warning("Warning:", format, args);
}
struct perf_error_ops perf_tui_eops = {
.error = perf_tui__error,
.warning = perf_tui__warning,
};