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bell: optionally render margins in red when receiving BEL

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Add anew config option, ‘bell=none|set-urgency’. When set to
‘set-urgency’, the margins will be painted in red (if the window did
not have keyboard focus).

This is intended as a cheap replacement for the ‘urgency’ hint, that
doesn’t (yet) exist on Wayland.

Closes #157
This commit is contained in:
Daniel Eklöf 2020-10-08 19:55:32 +02:00
parent 7e0cfd46c6
commit 7c6686221f
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GPG key ID: 5BBD4992C116573F
10 changed files with 95 additions and 2 deletions
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32
render.c
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@ -541,6 +541,35 @@ draw_cursor:
return cell_cols;
}
static void
render_urgency(struct terminal *term, struct buffer *buf)
{
uint32_t red = term->colors.table[1];
pixman_color_t bg = color_hex_to_pixman(red);
if (term->is_searching)
color_dim(&bg);
int width = min(min(term->margins.left, term->margins.right),
min(term->margins.top, term->margins.bottom));
pixman_image_fill_rectangles(
PIXMAN_OP_SRC, buf->pix[0], &bg, 4,
(pixman_rectangle16_t[]){
/* Top */
{0, 0, term->width, width},
/* Bottom */
{0, term->height - width, term->width, width},
/* Left */
{0, width, width, term->height - 2 * width},
/* Right */
{term->width - width, width, width, term->height - 2 * width},
});
}
static void
render_margin(struct terminal *term, struct buffer *buf,
int start_line, int end_line, bool apply_damage)
@ -578,6 +607,9 @@ render_margin(struct terminal *term, struct buffer *buf,
term->margins.right, line_count * term->cell_height},
});
if (term->render.urgency)
render_urgency(term, buf);
if (apply_damage) {
/* Top */
wl_surface_damage_buffer(