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implemented string-valued text-overflow

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This commit is contained in:
Nikhil Shagrithaya 2016-10-19 00:06:19 +05:30
parent c4bd2027b7
commit 4b2737606d
7 changed files with 100 additions and 49 deletions
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39
components/layout/inline.rs
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@ -31,10 +31,10 @@ use std::collections::VecDeque;
use std::sync::Arc;
use style::arc_ptr_eq;
use style::computed_values::{display, overflow_x, position, text_align, text_justify};
use style::computed_values::{text_overflow, vertical_align, white_space};
use style::computed_values::{vertical_align, white_space};
use style::context::{SharedStyleContext, StyleContext};
use style::logical_geometry::{LogicalRect, LogicalSize, WritingMode};
use style::properties::ServoComputedValues;
use style::properties::{longhands, ServoComputedValues};
use style::servo::restyle_damage::{BUBBLE_ISIZES, REFLOW, REFLOW_OUT_OF_FLOW, REPOSITION, RESOLVE_GENERATED_CONTENT};
use text;
use unicode_bidi;
@ -684,21 +684,30 @@ impl LineBreaker {
}
// Determine if an ellipsis will be necessary to account for `text-overflow`.
let mut need_ellipsis = false;
let available_inline_size = self.pending_line.green_zone.inline -
self.pending_line.bounds.size.inline - indentation;
match (fragment.style().get_text().text_overflow,
fragment.style().get_box().overflow_x) {
(text_overflow::T::clip, _) | (_, overflow_x::T::visible) => {}
(text_overflow::T::ellipsis, _) => {
need_ellipsis = fragment.margin_box_inline_size() > available_inline_size;
}
}
if !need_ellipsis {
self.push_fragment_to_line_ignoring_text_overflow(fragment, layout_context);
} else {
let ellipsis = fragment.transform_into_ellipsis(layout_context);
let ellipsis = match (&fragment.style().get_text().text_overflow.first,
fragment.style().get_box().overflow_x) {
(&longhands::text_overflow::Side::Clip, _) | (_, overflow_x::T::visible) => None,
(&longhands::text_overflow::Side::Ellipsis, _) => {
if fragment.margin_box_inline_size() > available_inline_size {
Some("…".to_string())
} else {
None
}
},
(&longhands::text_overflow::Side::String(ref string), _) => {
if fragment.margin_box_inline_size() > available_inline_size {
Some(string.to_string())
} else {
None
}
}
};
if let Some(string) = ellipsis {
let ellipsis = fragment.transform_into_ellipsis(layout_context, string);
if let Some(truncation_info) =
fragment.truncate_to_inline_size(available_inline_size -
ellipsis.margin_box_inline_size()) {
@ -707,6 +716,8 @@ impl LineBreaker {
self.push_fragment_to_line_ignoring_text_overflow(fragment, layout_context);
}
self.push_fragment_to_line_ignoring_text_overflow(ellipsis, layout_context);
} else {
self.push_fragment_to_line_ignoring_text_overflow(fragment, layout_context);
}
if line_flush_mode == LineFlushMode::Flush {