diff -ru src/xfce_theme_draw.c src/xfce_theme_draw.c
--- src/xfce_theme_draw.c	2011-01-16 16:40:26.000000000 +0100
+++ src/xfce_theme_draw.c	2011-02-13 17:05:04.308000934 +0100
@@ -65,6 +65,7 @@
     CHECK_BASE,
     CHECK_TEXT,
     CHECK_CROSS,
+    CHECK_DASH,
     RADIO_LIGHT,
     RADIO_DARK,
     RADIO_BASE,
@@ -99,6 +100,11 @@
     0xf8, 0x00, 0x78, 0x00, 0x38, 0x00, 0x18, 0x00, 0x00, 0x00, 0x00, 0x00,
     0x00, 0x00,
 };
+static const guchar check_dash_bits[] = {
+    0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0xf8, 0x03,
+    0xf8, 0x03, 0xf8, 0x03, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
+    0x00, 0x00,
+};
 static const guchar radio_light_bits[] = {
     0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x04, 0x00, 0x08, 0x00, 0x08,
     0x00, 0x08, 0x00, 0x08, 0x00, 0x08, 0x00, 0x04, 0x08, 0x02, 0xf0, 0x01,
@@ -136,6 +142,7 @@
     { check_base_bits,  NULL },
     { check_text_bits,  NULL },
     { check_cross_bits, NULL },
+    { check_dash_bits,  NULL },
     { radio_light_bits, NULL },
     { radio_dark_bits,  NULL },
     { radio_base_bits,  NULL },
@@ -968,6 +975,10 @@
         {
             draw_part(window, style->fg_gc[state], area, x, y, CHECK_CROSS);
         }
+	else if (shadow == GTK_SHADOW_ETCHED_IN)
+        {
+            draw_part(window, style->fg_gc[state], area, x, y, CHECK_DASH);
+        }
     }
     else
     {
@@ -979,6 +990,10 @@
         {
             draw_part(window, style->text_gc[state], area, x, y, CHECK_CROSS);
         }
+	else if (shadow == GTK_SHADOW_ETCHED_IN)
+        {
+            draw_part(window, style->fg_gc[state], area, x, y, CHECK_DASH);
+        }
     }
 }