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feat: cool resize implementation

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This commit is contained in:
rmntgx 2025-07-02 13:50:17 +05:00
parent b653fdcc57
commit 68ed11fb2d
1 changed files with 29 additions and 3 deletions
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32
src/ui.c
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@ -56,7 +56,13 @@ static struct winsize window;
#define INNER_BOX_OUT_MARGIN 2
struct config* g_config = NULL;
void resize_handler(int) {
static volatile sig_atomic_t need_resize = 0;
static void process_sigwinch(int) {
need_resize = 1;
}
void resize_ui() {
ioctl(STDOUT_FILENO, TIOCGWINSZ, &window);
if (window.ws_row < BOX_HEIGHT + INNER_BOX_OUT_MARGIN * 2 ||
@ -96,10 +102,9 @@ void setup(struct config* config) {
printf("\x1b[s\x1b[?47h\x1b[%s;%sm\x1b[2J", g_config->colors.bg,
g_config->colors.fg);
print_footer();
(void)atexit(restore_all);
(void)signal(SIGINT, signal_handler);
(void)signal(SIGWINCH, resize_handler);
(void)signal(SIGWINCH, process_sigwinch);
}
static struct uint_point box_start() {
@ -226,6 +231,8 @@ void print_ui() {
g_config->colors.e_date, fmtd_time, g_config->colors.fg);
free(fmtd_time);
print_footer();
ui_update_field(SESSION);
ui_update_field(USER);
ui_update_field(PASSWD);
@ -278,6 +285,25 @@ int load(struct Vector* users, struct Vector* sessions) {
char seq[0xff];
uint esc = 0;
while (true) {
if (need_resize) {
need_resize = 0;
resize_ui();
}
// Async press handling (magic)
fd_set fds;
FD_ZERO(&fds);
FD_SET(STDIN_FILENO, &fds);
struct timeval tv;
tv.tv_sec = 0;
tv.tv_usec = 100000; // timeout = 100ms
// Wait for input with timeout
int ret = select(STDIN_FILENO + 1, &fds, NULL, NULL, &tv);
if (ret < 0) {
if (errno == EINTR) continue; // Interrupted by signal
}
if (ret == 0) continue; // Timeout
read_press(&len, seq);
if (*seq == '\x1b') {
enum keys ansi_code = find_ansi(seq);