mirrors/foot
1
0
Fork 0
mirror of https://codeberg.org/dnkl/foot.git synced 2026-03-01 01:40:13 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

blink: implement 'blink'

Browse source
This commit is contained in:
Daniel Eklöf 2019-07-21 20:11:20 +02:00
parent 07aad4a534
commit e21ab8cf33
No known key found for this signature in database
GPG key ID: 5BBD4992C116573F
3 changed files with 79 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

52
render.c
View file

@ -3,6 +3,7 @@
#include <string.h>
#include <sys/ioctl.h>
#include <sys/time.h>
#include <sys/timerfd.h>
#include <wayland-cursor.h>
#include <xdg-shell.h>
@ -117,6 +118,9 @@ render_cell(struct terminal *term, struct buffer *buf, const struct cell *cell,
_bg = swap;
}
if (cell->attrs.blink && term->blink_mode == BLINK_OFF)
_fg = _bg;
struct rgb fg = color_hex_to_rgb(_fg);
struct rgb bg = color_hex_to_rgb(_bg);
@ -128,6 +132,20 @@ render_cell(struct terminal *term, struct buffer *buf, const struct cell *cell,
cairo_rectangle(buf->cairo, x, y, width, height);
cairo_fill(buf->cairo);
if (cell->attrs.blink && !term->is_blinking) {
/* First cell we see that has blink set - arm blink timer */
LOG_DBG("arming blink timer");
struct itimerspec alarm = {
.it_value = {.tv_sec = 0, .tv_nsec = 500 * 1000000},
.it_interval = {.tv_sec = 0, .tv_nsec = 500 * 1000000},
};
if (timerfd_settime(term->blink_timer_fd, 0, &alarm, NULL) < 0)
LOG_ERRNO("failed to arm blink timer");
else
term->is_blinking = true;
}
if (cell->c[0] == '\0' || cell->attrs.conceal)
return;
@ -365,7 +383,39 @@ grid_render(struct terminal *term)
row->dirty = false;
all_clean = false;
wl_surface_damage_buffer(term->wl.surface, 0, r * term->cell_height, term->width, term->cell_height);
wl_surface_damage_buffer(
term->wl.surface,
0, r * term->cell_height,
term->width, term->cell_height);
}
if (term->is_blinking) {
/* Check if there are still any visible blinking cells */
bool none_is_blinking = true;
for (int r = 0; r < term->rows; r++) {
struct row *row = grid_row_in_view(term->grid, r);
for (int col = 0; col < term->cols; col++) {
if (row->cells[col].attrs.blink) {
none_is_blinking = false;
break;
}
}
}
/* No, disarm the blink timer */
if (none_is_blinking) {
LOG_DBG("disarming blink timer");
term->is_blinking = false;
term->blink_mode = BLINK_ON;
if (timerfd_settime(
term->blink_timer_fd, 0,
&(struct itimerspec){0}, NULL) < 0)
{
LOG_ERRNO("failed to disarm blink timer");
}
}
}
/* TODO: break out to function */