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-rw-r--r--src/select/properties/box_sizing.c67
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
--- a/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);
+}
+