restore the grey background behind each overlay title

kick.c

@@ -2045,12 +2045,11 @@ static void draw_tab_overlay(void) {
             int tw = widths[k];
             int mw = icon_sz + icon_gap + tw;
             bool is_cursor = active && app->focus_member == m;
-            if (is_cursor)
-                draw_rect(pen - 2, ry - 1, mw + 4, row_h,
+            draw_rect(pen - 2, ry - 1, mw + 4, row_h,
                       0.22f, 0.22f, 0.25f, 1.0f);
             if (is_cursor)
                 draw_rect(pen - 2, ry - 1, mw + 4, row_h,
-                           0.24f, 0.36f, 0.60f, 0.9f);
+                          0.24f, 0.36f, 0.60f, 0.9f);
             int mx = pen, my = iy;
             if (m->icon_tex) {
                 GLfloat tint[4] = { active ? 1.0f : 0.72f,
@@ -2250,8 +2249,7 @@ static void draw_tab_overlay_pass(struct wlr_render_pass *pass) {
             int tw = widths[k];
             int mw = icon_sz + icon_gap + tw;
             bool is_cursor = active && app->focus_member == m;
-            if (is_cursor)
-                overlay_pass_rect(pass, pen - 2, ry - 1, mw + 4, row_h,
+            overlay_pass_rect(pass, pen - 2, ry - 1, mw + 4, row_h,
                               0.22f, 0.22f, 0.25f, 1.0f);
             if (is_cursor)
                 overlay_pass_rect(pass, pen - 2, ry - 1, mw + 4, row_h,

tests/test_smoke.py

@@ -564,6 +564,43 @@ def test_standalone_headless_overlay_clears_on_alt_release(standalone_session):
     assert s.proc.poll() is None
 
 
+def test_standalone_headless_overlay_title_chip_grey(standalone_session):
+    """Every overlay title sits on its own dark-grey chip (0.22/0.22/0.25,
+    i.e. RGB ~56/56/64 -- distinct from the box interior ~18/18/23, the box
+    border ~115/115/122 and the red/blue client content).  Regression: an
+    accidental `if (is_cursor)` gate left non-cursor titles -- every
+    background tab row -- with no chip behind them at all."""
+    s = standalone_session
+    s.wait_any_active()
+    s.wait_active_frame()
+
+    def grey_chip_pixels():
+        w, h, px = s.ppm_rgb(s.dump_host())
+        n = 0
+        for i in range(0, len(px) - 2, 3):
+            if abs(px[i] - 56) <= 4 and abs(px[i + 1] - 56) <= 4 \
+                    and abs(px[i + 2] - 64) <= 4:
+                n += 1
+        return n
+
+    # Without the overlay the frame is pure client content: no chip colour.
+    before = grey_chip_pixels()
+    assert before < 20, f"chip grey already present before Alt ({before} px)"
+
+    s.mods(ALT)
+    deadline = time.monotonic() + 15.0
+    count = 0
+    while time.monotonic() < deadline:
+        count = grey_chip_pixels()
+        if count >= 200:
+            break
+    assert count >= 200, \
+        f"overlay title chips missing: only {count} grey pixels with Alt held"
+
+    s.mods(0)
+    assert s.proc.poll() is None
+
+
 def test_standalone_headless_cursor_visible(standalone_session):
     """The standalone output shows a real cursor.  The headless backend has no
     cursor plane, so wlroots composites the software cursor into the frame