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blink: implement 'blink'

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Daniel Eklöf 2019-07-21 20:11:20 +02:00
parent 07aad4a534
commit e21ab8cf33
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GPG key ID: 5BBD4992C116573F
3 changed files with 79 additions and 1 deletions
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24
main.c
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@ -328,6 +328,7 @@ main(int argc, char *const *argv)
.auto_margin = true,
.window_title_stack = tll_init(),
.flash_timer_fd = timerfd_create(CLOCK_BOOTTIME, TFD_CLOEXEC),
.blink_timer_fd = timerfd_create(CLOCK_BOOTTIME, TFD_CLOEXEC),
.vt = {
.state = 1, /* STATE_GROUND */
.attrs = {
@ -685,6 +686,7 @@ main(int argc, char *const *argv)
{.fd = term.ptmx, .events = POLLIN},
{.fd = term.kbd.repeat.pipe_read_fd, .events = POLLIN},
{.fd = term.flash_timer_fd, .events = POLLIN},
{.fd = term.blink_timer_fd, .events = POLLIN},
};
wl_display_flush(term.wl.display);
@ -796,6 +798,26 @@ main(int argc, char *const *argv)
if (term.frame_callback == NULL)
grid_render(&term);
}
if (fds[4].revents & POLLIN) {
uint64_t expiration_count;
ssize_t ret = read(
term.blink_timer_fd, &expiration_count, sizeof(expiration_count));
if (ret < 0)
LOG_ERRNO("failed to read blink timer");
else
LOG_DBG("blink timer expired %llu times",
(unsigned long long)expiration_count);
term.blink_mode = term.blink_mode == BLINK_ON
? BLINK_OFF : BLINK_ON;
term_damage_view(&term);
if (term.frame_callback == NULL)
grid_render(&term);
}
}
out:
@ -885,6 +907,8 @@ out:
if (term.flash_timer_fd != -1)
close(term.flash_timer_fd);
if (term.blink_timer_fd != -1)
close(term.blink_timer_fd);
if (term.ptmx != -1)
close(term.ptmx);