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rename fn update_cursor_trail_corners t just update_cursor_trail_states

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now it also updates cursor_trail.needs_render in place, because it is
also a feedback state.
This commit is contained in:
Rick Choi
2024-10-27 13:07:10 +09:00
parent f3de97f6d0
commit 12c37c9df3
1 changed files with 6 additions and 5 deletions
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11
kitty/cursor_trail.c
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@@ -62,8 +62,8 @@ should_skip_cursor_trail_update(CursorTrail *ct, Window *w, OSWindow *os_window)
return false;
}
static bool
update_cursor_trail_corners(CursorTrail *ct, Window *w, monotonic_t now, OSWindow *os_window) {
static void
update_cursor_trail_state(CursorTrail *ct, Window *w, monotonic_t now, OSWindow *os_window) {
// the trail corners move towards the cursor corner at a speed proportional to their distance from the cursor corner.
// equivalent to exponential ease out animation.
static const int ci[4][2] = {{1, 0}, {1, 1}, {0, 1}, {0, 0}};
@@ -124,16 +124,17 @@ update_cursor_trail_corners(CursorTrail *ct, Window *w, monotonic_t now, OSWindo
}
ct->updated_at = now;
ct->needs_render = false;
// check if any corner is still far from the cursor corner, so it should be rendered
for (int i = 0; i < 4; ++i) {
float dx = fabsf(EDGE(x, ci[i][0]) - ct->corner_x[i]);
float dy = fabsf(EDGE(y, ci[i][1]) - ct->corner_y[i]);
if (dx_threshold <= dx || dy_threshold <= dy) {
return true;
ct->needs_render = true;
break;
}
}
return false;
}
bool
@@ -143,7 +144,7 @@ update_cursor_trail(CursorTrail *ct, Window *w, monotonic_t now, OSWindow *os_wi
}
bool needs_render_prev = ct->needs_render;
ct->needs_render = update_cursor_trail_corners(ct, w, now, os_window);
update_cursor_trail_state(ct, w, now, os_window);
// returning true here will cause the cells to be drawn
return ct->needs_render || needs_render_prev;