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Make positions hidden by overlays range-based rather than character-based,

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from Anindya Mukherjee.
This commit is contained in:
nicm
2021-10-11 13:27:50 +00:00
parent 759efe1b33
commit b8581ec80e
6 changed files with 196 additions and 73 deletions
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49
popup.c
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@@ -157,18 +157,49 @@ popup_mode_cb(__unused struct client *c, void *data, u_int *cx, u_int *cy)
return (&pd->s);
}
static int
popup_check_cb(struct client *c, void *data, u_int px, u_int py)
/* Return parts of the input range which are not obstructed by the popup. */
static void
popup_check_cb(struct client* c, void *data, u_int px, u_int py, u_int nx,
struct overlay_ranges *r)
{
struct popup_data *pd = data;
struct overlay_ranges or[2];
u_int i, j, k = 0;
if (pd->md != NULL && menu_check_cb(c, pd->md, px, py) == 0)
return (0);
if (px < pd->px || px > pd->px + pd->sx - 1)
return (1);
if (py < pd->py || py > pd->py + pd->sy - 1)
return (1);
return (0);
if (pd->md != NULL) {
/* Check each returned range for the menu against the popup. */
menu_check_cb(c, pd->md, px, py, nx, r);
for (i = 0; i < 2; i++) {
server_client_overlay_range(pd->px, pd->py, pd->sx,
pd->sy, r->px[i], py, r->nx[i], &or[i]);
}
/*
* or has up to OVERLAY_MAX_RANGES non-overlapping ranges,
* ordered from left to right. Collect them in the output.
*/
for (i = 0; i < 2; i++) {
/* Each or[i] only has 2 ranges. */
for (j = 0; j < 2; j++) {
if (or[i].nx[j] > 0) {
r->px[k] = or[i].px[j];
r->nx[k] = or[i].nx[j];
k++;
}
}
}
/* Zero remaining ranges if any. */
for (i = k; i < OVERLAY_MAX_RANGES; i++) {
r->px[i] = 0;
r->nx[i] = 0;
}
return;
}
server_client_overlay_range(pd->px, pd->py, pd->sx, pd->sy, px, py, nx,
r);
}
static void