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Manually implement overflow-y.

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This commit is contained in:
Bobby Holley 2016-04-20 10:44:33 -07:00
parent 980c814e2a
commit 8099e0c0b9
1 changed files with 29 additions and 1 deletions
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30
ports/geckolib/properties.mako.rs
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@ -311,7 +311,7 @@ ${caller.body()}
}
</%self:impl_trait>
<%self:impl_trait style_struct_name="Box" skip_longhands="display">
<%self:impl_trait style_struct_name="Box" skip_longhands="display overflow-y">
// We manually-implement the |display| property until we get general
// infrastructure for preffing certain values.
@ -319,6 +319,34 @@ ${caller.body()}
"table-header-group table-footer-group table-row table-column-group " +
"table-column table-cell table-caption list-item flex none") %>
<%call expr="impl_keyword('display', 'mDisplay', display_keyword, True)"></%call>
// overflow-y is implemented as a newtype of overflow-x, so we need special handling.
// We could generalize this if we run into other newtype keywords.
<% overflow_x = data.longhands_by_name["overflow-x"] %>
fn set_overflow_y(&mut self, v: longhands::overflow_y::computed_value::T) {
use gecko_style_structs as gss;
use style::properties::longhands::overflow_x::computed_value::T as BaseType;
// FIXME(bholley): Align binary representations and ditch |match| for cast + static_asserts
self.gecko.mOverflowY = match v.0 {
% for value in overflow_x.keyword.values_for('gecko'):
BaseType::${to_rust_ident(value)} => gss::${overflow_x.keyword.gecko_constant(value)} as u8,
% endfor
};
}
<%call expr="impl_simple_copy('overflow_y', 'mOverflowY')"></%call>
fn clone_overflow_y(&self) -> longhands::overflow_y::computed_value::T {
use gecko_style_structs as gss;
use style::properties::longhands::overflow_x::computed_value::T as BaseType;
use style::properties::longhands::overflow_y::computed_value::T as NewType;
// FIXME(bholley): Align binary representations and ditch |match| for cast + static_asserts
match self.gecko.mOverflowY as u32 {
% for value in overflow_x.keyword.values_for('gecko'):
gss::${overflow_x.keyword.gecko_constant(value)} => NewType(BaseType::${to_rust_ident(value)}),
% endfor
x => panic!("Found unexpected value in style struct for overflow_y property: {}", x),
}
}
</%self:impl_trait>
% for style_struct in data.style_structs: