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authorVincent Sanders <vince@netsurf-browser.org>2010-12-05 17:22:06 +0000
committerVincent Sanders <vince@netsurf-browser.org>2010-12-05 17:22:06 +0000
commit97449b2e23ef5252cb4f766d9215d14e763a0732 (patch)
tree8eca8edc44aa19f384ff6fc48b868c5a9a7a5f21 /src/select/properties/z_index.c
parent9ff129943ec479fa51b95e84b6e8c042a44363ae (diff)
downloadlibcss-97449b2e23ef5252cb4f766d9215d14e763a0732.tar.gz
libcss-97449b2e23ef5252cb4f766d9215d14e763a0732.tar.bz2
Split up properties selectors
svn path=/trunk/libcss/; revision=11011
Diffstat (limited to 'src/select/properties/z_index.c')
-rw-r--r--src/select/properties/z_index.c73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/select/properties/z_index.c b/src/select/properties/z_index.c
new file mode 100644
index 0000000..aeb01db
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+++ b/src/select/properties/z_index.c
@@ -0,0 +1,73 @@
+/*
+ * 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 cascade_z_index(uint32_t opv, css_style *style,
+ css_select_state *state)
+{
+ uint16_t value = CSS_Z_INDEX_INHERIT;
+ css_fixed index = 0;
+
+ if (isInherit(opv) == false) {
+ switch (getValue(opv)) {
+ case Z_INDEX_SET:
+ value = CSS_Z_INDEX_SET;
+
+ index = *((css_fixed *) style->bytecode);
+ advance_bytecode(style, sizeof(index));
+ break;
+ case Z_INDEX_AUTO:
+ value = CSS_Z_INDEX_AUTO;
+ break;
+ }
+ }
+
+ if (outranks_existing(getOpcode(opv), isImportant(opv), state,
+ isInherit(opv))) {
+ return set_z_index(state->result, value, index);
+ }
+
+ return CSS_OK;
+}
+
+css_error set_z_index_from_hint(const css_hint *hint,
+ css_computed_style *style)
+{
+ return set_z_index(style, hint->status, hint->data.integer);
+}
+
+css_error initial_z_index(css_select_state *state)
+{
+ return set_z_index(state->result, CSS_Z_INDEX_AUTO, 0);
+}
+
+css_error compose_z_index(const css_computed_style *parent,
+ const css_computed_style *child,
+ css_computed_style *result)
+{
+ int32_t index = 0;
+ uint8_t type = get_z_index(child, &index);
+
+ if (type == CSS_Z_INDEX_INHERIT) {
+ type = get_z_index(parent, &index);
+ }
+
+ return set_z_index(result, type, index);
+}
+
+uint32_t destroy_z_index(void *bytecode)
+{
+ return generic_destroy_number(bytecode);
+}