Merge branch 'tlsa/box-sizing'

1 files changed, 67 insertions, 0 deletions

diff --git a/src/select/properties/box_sizing.c b/src/select/properties/box_sizing.c
new file mode 100644
index 0000000..91c475d
--- /dev/null
+++ b/src/select/properties/box_sizing.c
@@ -0,0 +1,67 @@
+/*
+ * This file is part of LibCSS
+ * Licensed under the MIT License,
+ *		  http://www.opensource.org/licenses/mit-license.php
+ * Copyright 2017 Michael Drake <tlsa@netsurf-browser.org>
+ */
+
+#include "bytecode/bytecode.h"
+#include "bytecode/opcodes.h"
+#include "select/propset.h"
+#include "select/propget.h"
+#include "utils/utils.h"
+
+#include "select/properties/properties.h"
+#include "select/properties/helpers.h"
+
+css_error css__cascade_box_sizing(uint32_t opv, css_style *style, 
+		css_select_state *state)
+{
+	uint16_t value = CSS_BOX_SIZING_INHERIT;
+
+	UNUSED(style);
+
+	if (isInherit(opv) == false) {
+		switch (getValue(opv)) {
+		case BOX_SIZING_CONTENT_BOX:
+			value = CSS_BOX_SIZING_CONTENT_BOX;
+			break;
+		case BOX_SIZING_BORDER_BOX:
+			value = CSS_BOX_SIZING_BORDER_BOX;
+			break;
+		}
+	}
+
+	if (css__outranks_existing(getOpcode(opv), isImportant(opv), state,
+			isInherit(opv))) {
+		return set_box_sizing(state->computed, value);
+	}
+
+	return CSS_OK;
+}
+
+css_error css__set_box_sizing_from_hint(const css_hint *hint,
+		css_computed_style *style)
+{
+	return set_box_sizing(style, hint->status);
+}
+
+css_error css__initial_box_sizing(css_select_state *state)
+{
+	return set_box_sizing(state->computed, CSS_BOX_SIZING_CONTENT_BOX);
+}
+
+css_error css__compose_box_sizing(
+		const css_computed_style *parent,
+		const css_computed_style *child,
+		css_computed_style *result)
+{
+	uint8_t type = get_box_sizing(child);
+
+	if (type == CSS_BOX_SIZING_INHERIT) {
+		type = get_box_sizing(parent);
+	}
+
+	return set_box_sizing(result, type);
+}
+