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authorMichael Drake <tlsa@netsurf-browser.org>2014-06-01 18:32:37 +0100
committerMichael Drake <tlsa@netsurf-browser.org>2014-06-01 18:32:37 +0100
commitc6d7f24987a90bc61e408c4249a6a212276b4174 (patch)
tree75a3f5478618e0e583db6f168193e7645c012dda /src/select/properties/overflow_y.c
parent89a4d061a46490d5fad3792a565a1a0114c400e0 (diff)
downloadlibcss-c6d7f24987a90bc61e408c4249a6a212276b4174.tar.gz
libcss-c6d7f24987a90bc61e408c4249a6a212276b4174.tar.bz2
Add support for CSS3 overflow-x and overflow-y properties.
Now, overflow is a shorthand property setting both overflow-x and overflow-y. The getter for the computed overflow has been removed, and replaced with two for overflow-x and overflow-y.
Diffstat (limited to 'src/select/properties/overflow_y.c')
-rw-r--r--src/select/properties/overflow_y.c72
1 files changed, 72 insertions, 0 deletions
diff --git a/src/select/properties/overflow_y.c b/src/select/properties/overflow_y.c
new file mode 100644
index 0000000..13213b5
--- /dev/null
+++ b/src/select/properties/overflow_y.c
@@ -0,0 +1,72 @@
+/*
+ * This file is part of LibCSS
+ * Licensed under the MIT License,
+ * http://www.opensource.org/licenses/mit-license.php
+ * Copyright 2009 John-Mark Bell <jmb@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_overflow_y(uint32_t opv, css_style *style,
+ css_select_state *state)
+{
+ uint16_t value = CSS_OVERFLOW_INHERIT;
+
+ UNUSED(style);
+
+ if (isInherit(opv) == false) {
+ switch (getValue(opv)) {
+ case OVERFLOW_VISIBLE:
+ value = CSS_OVERFLOW_VISIBLE;
+ break;
+ case OVERFLOW_HIDDEN:
+ value = CSS_OVERFLOW_HIDDEN;
+ break;
+ case OVERFLOW_SCROLL:
+ value = CSS_OVERFLOW_SCROLL;
+ break;
+ case OVERFLOW_AUTO:
+ value = CSS_OVERFLOW_AUTO;
+ break;
+ }
+ }
+
+ if (css__outranks_existing(getOpcode(opv), isImportant(opv), state,
+ isInherit(opv))) {
+ return set_overflow_y(state->computed, value);
+ }
+
+ return CSS_OK;
+}
+
+css_error css__set_overflow_y_from_hint(const css_hint *hint,
+ css_computed_style *style)
+{
+ return set_overflow_y(style, hint->status);
+}
+
+css_error css__initial_overflow_y(css_select_state *state)
+{
+ return set_overflow_y(state->computed, CSS_OVERFLOW_VISIBLE);
+}
+
+css_error css__compose_overflow_y(const css_computed_style *parent,
+ const css_computed_style *child,
+ css_computed_style *result)
+{
+ uint8_t type = get_overflow_y(child);
+
+ if (type == CSS_OVERFLOW_INHERIT) {
+ type = get_overflow_y(parent);
+ }
+
+ return set_overflow_y(result, type);
+}
+