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Commit 4c629ccf authored by Robert Hogan's avatar Robert Hogan Committed by Commit Bot
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Place ellipsis correctly in justified text 

When computing the position for an ellipsis we need to ensure
any expansion on the linebox is included in the width of the
text we use to arrive at the position.

Bug: 558283
Change-Id: Ib85acee76c3b97e3fea325412447c01cb9d2d7c2
Reviewed-on: https://chromium-review.googlesource.com/572902Reviewed-by: default avatarEmil A Eklund <eae@chromium.org>
Commit-Queue: Emil A Eklund <eae@chromium.org>
Cr-Commit-Position: refs/heads/master@{#488518}
parent 3046d581
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Inline Side-by-side
Showing with 47 additions and 17 deletions
third_party/WebKit/LayoutTests/fast/text/ellipsis-in-justified-text.html 0 → 100644
View file @ 4c629ccf
<!DOCTYPE html>
<style>
.test {
display: -webkit-box;
-webkit-box-orient: vertical;
-webkit-line-clamp: 4;
text-overflow: ellipsis;
text-align: justify;
overflow: hidden;
width: 250px;
}
</style>
<p>crbug.com/558283: Ellipsis should be positioned correctly in justified text. The bug shows up best inside a line-clamped flexbox.</p>
<div class="test">
"On the other hand, we denounce with righteous indignation and dislike men
who are so beguiled and demoralized by the charms of pleasure of the moment
</div>
third_party/WebKit/Source/core/layout/LayoutBR.h
View file @ 4c629ccf
......@@ -44,7 +44,8 @@ class LayoutBR final : public LayoutText {
LayoutUnit /* xpos */,
TextDirection,
HashSet<const SimpleFontData*>* = nullptr /* fallbackFonts */,
FloatRect* /* glyphBounds */ = nullptr) const override {
FloatRect* /* glyphBounds */ = nullptr,
float /* expansion */ = false) const override {
return 0;
}
float Width(unsigned /* from */,
......@@ -53,7 +54,8 @@ class LayoutBR final : public LayoutText {
TextDirection,
bool = false /* firstLine */,
HashSet<const SimpleFontData*>* = nullptr /* fallbackFonts */,
FloatRect* /* glyphBounds */ = nullptr) const override {
FloatRect* /* glyphBounds */ = nullptr,
float /* expansion */ = false) const override {
return 0;
}
......
third_party/WebKit/Source/core/layout/LayoutText.cpp
View file @ 4c629ccf
......@@ -798,7 +798,8 @@ ALWAYS_INLINE float LayoutText::WidthFromFont(
float text_width_so_far,
TextDirection text_direction,
HashSet<const SimpleFontData*>* fallback_fonts,
FloatRect* glyph_bounds_accumulation) const {
FloatRect* glyph_bounds_accumulation,
float expansion) const {
if (Style()->HasTextCombine() && IsCombineText()) {
const LayoutTextCombine* combine_text = ToLayoutTextCombine(this);
if (combine_text->IsCombined())
......@@ -811,6 +812,7 @@ ALWAYS_INLINE float LayoutText::WidthFromFont(
DCHECK_GE(run.CharactersLength(), run.length());
run.SetTabSize(!Style()->CollapseWhiteSpace(), Style()->GetTabSize());
run.SetXPos(lead_width + text_width_so_far);
run.SetExpansion(expansion);
FloatRect new_glyph_bounds;
float result =
......@@ -1757,7 +1759,8 @@ float LayoutText::Width(unsigned from,
TextDirection text_direction,
bool first_line,
HashSet<const SimpleFontData*>* fallback_fonts,
FloatRect* glyph_bounds) const {
FloatRect* glyph_bounds,
float expansion) const {
if (from >= TextLength())
return 0;
......@@ -1765,7 +1768,7 @@ float LayoutText::Width(unsigned from,
len = TextLength() - from;
return Width(from, len, Style(first_line)->GetFont(), x_pos, text_direction,
fallback_fonts, glyph_bounds);
fallback_fonts, glyph_bounds, expansion);
}
float LayoutText::Width(unsigned from,
......@@ -1774,7 +1777,8 @@ float LayoutText::Width(unsigned from,
LayoutUnit x_pos,
TextDirection text_direction,
HashSet<const SimpleFontData*>* fallback_fonts,
FloatRect* glyph_bounds) const {
FloatRect* glyph_bounds,
float expansion) const {
DCHECK_LE(from + len, TextLength());
if (!TextLength())
return 0;
......@@ -1803,7 +1807,7 @@ float LayoutText::Width(unsigned from,
}
} else {
w = WidthFromFont(f, from, len, x_pos.ToFloat(), 0, text_direction,
fallback_fonts, glyph_bounds);
fallback_fonts, glyph_bounds, expansion);
}
} else {
TextRun run =
......
third_party/WebKit/Source/core/layout/LayoutText.h
View file @ 4c629ccf
......@@ -137,14 +137,16 @@ class CORE_EXPORT LayoutText : public LayoutObject {
LayoutUnit x_pos,
TextDirection,
HashSet<const SimpleFontData*>* fallback_fonts = nullptr,
FloatRect* glyph_bounds = nullptr) const;
FloatRect* glyph_bounds = nullptr,
float expansion = 0) const;
virtual float Width(unsigned from,
unsigned len,
LayoutUnit x_pos,
TextDirection,
bool first_line = false,
HashSet<const SimpleFontData*>* fallback_fonts = nullptr,
FloatRect* glyph_bounds = nullptr) const;
FloatRect* glyph_bounds = nullptr,
float expansion = 0) const;
float MinLogicalWidth() const;
float MaxLogicalWidth() const;
......@@ -276,7 +278,8 @@ class CORE_EXPORT LayoutText : public LayoutObject {
float text_width_so_far,
TextDirection,
HashSet<const SimpleFontData*>* fallback_fonts,
FloatRect* glyph_bounds_accumulation) const;
FloatRect* glyph_bounds_accumulation,
float expansion = 0) const;
void SecureText(UChar mask);
......
third_party/WebKit/Source/core/layout/LayoutTextCombine.cpp
View file @ 4c629ccf
......@@ -53,7 +53,8 @@ float LayoutTextCombine::Width(unsigned from,
LayoutUnit x_position,
TextDirection direction,
HashSet<const SimpleFontData*>* fallback_fonts,
FloatRect* glyph_bounds) const {
FloatRect* glyph_bounds,
float) const {
if (!length)
return 0;
......
third_party/WebKit/Source/core/layout/LayoutTextCombine.h
View file @ 4c629ccf
......@@ -54,7 +54,8 @@ class LayoutTextCombine final : public LayoutText {
LayoutUnit x_position,
TextDirection,
HashSet<const SimpleFontData*>* fallback_fonts = nullptr,
FloatRect* glyph_bounds = nullptr) const override;
FloatRect* glyph_bounds = nullptr,
float expansion = 0) const override;
void StyleDidChange(StyleDifference, const ComputedStyle* old_style) override;
void SetTextInternal(RefPtr<StringImpl>) override;
void UpdateIsCombined();
......
third_party/WebKit/Source/core/layout/api/LineLayoutText.h
View file @ 4c629ccf
......@@ -89,9 +89,10 @@ class LineLayoutText : public LineLayoutItem {
LayoutUnit x_pos,
TextDirection text_direction,
HashSet<const SimpleFontData*>* fallback_fonts,
FloatRect* glyph_bounds) const {
FloatRect* glyph_bounds,
float expansion = 0) const {
return ToText()->Width(from, len, font, x_pos, text_direction,
fallback_fonts, glyph_bounds);
fallback_fonts, glyph_bounds, expansion);
}
float Width(unsigned from,
......@@ -100,9 +101,10 @@ class LineLayoutText : public LineLayoutItem {
TextDirection text_direction,
bool first_line,
HashSet<const SimpleFontData*>* fallback_fonts = nullptr,
FloatRect* glyph_bounds = nullptr) const {
FloatRect* glyph_bounds = nullptr,
float expansion = 0) const {
return ToText()->Width(from, len, x_pos, text_direction, first_line,
fallback_fonts, glyph_bounds);
fallback_fonts, glyph_bounds, expansion);
}
float HyphenWidth(const Font& font, TextDirection text_direction) {
......
third_party/WebKit/Source/core/layout/line/InlineTextBox.cpp
View file @ 4c629ccf
......@@ -442,7 +442,7 @@ LayoutUnit InlineTextBox::PlaceEllipsisBox(bool flow_is_ltr,
ltr == flow_is_ltr ? start_ : start_ + offset,
ltr == flow_is_ltr ? offset : len_ - offset, TextPos(),
flow_is_ltr ? TextDirection::kLtr : TextDirection::kRtl,
IsFirstLineStyle()));
IsFirstLineStyle(), nullptr, nullptr, Expansion()));
// The ellipsis needs to be placed just after the last visible character.
// Where "after" is defined by the flow directionality, not the inline
......
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