1 files changed, 90 insertions, 0 deletions
diff --git a/servo/components/style/properties/longhands/column.mako.rs b/servo/components/style/properties/longhands/column.mako.rs
new file mode 100644
index 0000000000..38c32938c6
--- /dev/null
+++ b/servo/components/style/properties/longhands/column.mako.rs
@@ -0,0 +1,90 @@
+/* This Source Code Form is subject to the terms of the Mozilla Public
+ * License, v. 2.0. If a copy of the MPL was not distributed with this
+ * file, You can obtain one at https://mozilla.org/MPL/2.0/. */
+
+<%namespace name="helpers" file="/helpers.mako.rs" />
+
+<% data.new_style_struct("Column", inherited=False) %>
+
+${helpers.predefined_type(
+    "column-width",
+    "length::NonNegativeLengthOrAuto",
+    "computed::length::NonNegativeLengthOrAuto::auto()",
+    engines="gecko servo-2013 servo-2020",
+    servo_2020_pref="layout.2020.unimplemented",
+    initial_specified_value="specified::length::NonNegativeLengthOrAuto::auto()",
+    animation_value_type="NonNegativeLengthOrAuto",
+    servo_2013_pref="layout.columns.enabled",
+    spec="https://drafts.csswg.org/css-multicol/#propdef-column-width",
+    servo_restyle_damage="rebuild_and_reflow",
+    affects="layout",
+)}
+
+${helpers.predefined_type(
+    "column-count",
+    "ColumnCount",
+    "computed::ColumnCount::auto()",
+    engines="gecko servo-2013 servo-2020",
+    servo_2020_pref="layout.2020.unimplemented",
+    initial_specified_value="specified::ColumnCount::auto()",
+    servo_2013_pref="layout.columns.enabled",
+    animation_value_type="AnimatedColumnCount",
+    spec="https://drafts.csswg.org/css-multicol/#propdef-column-count",
+    servo_restyle_damage="rebuild_and_reflow",
+    affects="layout",
+)}
+
+${helpers.single_keyword(
+    "column-fill",
+    "balance auto",
+    engines="gecko",
+    animation_value_type="discrete",
+    gecko_enum_prefix="StyleColumnFill",
+    spec="https://drafts.csswg.org/css-multicol/#propdef-column-fill",
+    affects="layout",
+)}
+
+${helpers.predefined_type(
+    "column-rule-width",
+    "BorderSideWidth",
+    "app_units::Au::from_px(3)",
+    engines="gecko",
+    initial_specified_value="specified::BorderSideWidth::medium()",
+    spec="https://drafts.csswg.org/css-multicol/#propdef-column-rule-width",
+    animation_value_type="NonNegativeLength",
+    affects="layout",
+)}
+
+// https://drafts.csswg.org/css-multicol-1/#crc
+${helpers.predefined_type(
+    "column-rule-color",
+    "Color",
+    "computed_value::T::currentcolor()",
+    engines="gecko",
+    initial_specified_value="specified::Color::currentcolor()",
+    animation_value_type="AnimatedColor",
+    ignored_when_colors_disabled=True,
+    spec="https://drafts.csswg.org/css-multicol/#propdef-column-rule-color",
+    affects="paint",
+)}
+
+${helpers.single_keyword(
+    "column-span",
+    "none all",
+    engines="gecko",
+    animation_value_type="discrete",
+    gecko_enum_prefix="StyleColumnSpan",
+    spec="https://drafts.csswg.org/css-multicol/#propdef-column-span",
+    affects="layout",
+)}
+
+${helpers.predefined_type(
+    "column-rule-style",
+    "BorderStyle",
+    "computed::BorderStyle::None",
+    engines="gecko",
+    initial_specified_value="specified::BorderStyle::None",
+    animation_value_type="discrete",
+    spec="https://drafts.csswg.org/css-multicol/#propdef-column-rule-style",
+    affects="paint",
+)}