From 8d583fbe94b801353faec8e3a5a6729e3fe767a5 Mon Sep 17 00:00:00 2001
From: Michael Drake <michael.drake@codethink.co.uk>
Date: Thu, 27 Apr 2017 11:57:37 +0100
Subject: Selection: Add support for the CSS3 box-sizing property.

---
 src/select/propset.h | 18 ++++++++++++++++++
 1 file changed, 18 insertions(+)

(limited to 'src/select/propset.h')

diff --git a/src/select/propset.h b/src/select/propset.h
index 76e4fe6..3f4038c 100644
--- a/src/select/propset.h
+++ b/src/select/propset.h
@@ -1361,6 +1361,24 @@ static inline css_error set_background_attachment(
 #undef BACKGROUND_ATTACHMENT_SHIFT
 #undef BACKGROUND_ATTACHMENT_INDEX
 
+#define BOX_SIZING_INDEX 34
+#define BOX_SIZING_SHIFT 0
+#define BOX_SIZING_MASK  0x3
+static inline css_error set_box_sizing(
+		css_computed_style *style, uint8_t type)
+{
+	uint8_t *bits = &style->i.bits[BOX_SIZING_INDEX];
+
+	/* 2bits: type */
+	*bits = (*bits & ~BOX_SIZING_MASK) |
+			((type & 0x3) << BOX_SIZING_SHIFT);
+
+	return CSS_OK;
+}
+#undef BOX_SIZING_MASK
+#undef BOX_SIZING_SHIFT
+#undef BOX_SIZING_INDEX
+
 #define BORDER_COLLAPSE_INDEX 13
 #define BORDER_COLLAPSE_SHIFT 0
 #define BORDER_COLLAPSE_MASK  0x3
-- 
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