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Issue #1666 - Implement overflow-wrap: anywhere

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This aligns with the current spec regarding overflow-wrap: break-word and
overflow-wrap: anywhere in if it affects intrinsic sized due to considering
soft-wrap opportunities or not.
See CSS Text Module Level 3, Editor’s Draft, 1 October 2020, Section 5.5
This commit is contained in:
Moonchild 2020-10-03 14:52:47 +00:00 • committed by roytam1
commit d602cb077b
5 changed files with 11 additions and 4 deletions
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5
layout/generic/nsTextFrame.cpp
View file

@ -8243,8 +8243,9 @@ nsTextFrame::AddInlineMinISizeForFlow(nsRenderingContext *aRenderingContext,
return;
}
// If overflow-wrap is break-word, we can wrap everywhere.
if (textStyle->WordCanWrap(this)) {
// If overflow-wrap is 'anywhere', we can wrap everywhere.
if (textStyle->mOverflowWrap == NS_STYLE_OVERFLOWWRAP_ANYWHERE &&
textStyle->WordCanWrap(this)) {
aData->OptionallyBreak();
aData->mCurrentLine +=
textRun->GetMinAdvanceWidth(Range(start, flowEndInTextRun));

1
layout/style/nsCSSKeywordList.h
View file

@ -144,6 +144,7 @@ CSS_KEY(alternate, alternate)
CSS_KEY(alternate-reverse, alternate_reverse)
CSS_KEY(always, always)
CSS_KEY(annotation, annotation)
CSS_KEY(anywhere, anywhere)
CSS_KEY(appworkspace, appworkspace)
CSS_KEY(auto, auto)
CSS_KEY(auto-fill, auto_fill)

1
layout/style/nsCSSProps.cpp
View file

@ -2284,6 +2284,7 @@ const KTableEntry nsCSSProps::kWordBreakKTable[] = {
const KTableEntry nsCSSProps::kOverflowWrapKTable[] = {
{ eCSSKeyword_normal, NS_STYLE_OVERFLOWWRAP_NORMAL },
{ eCSSKeyword_break_word, NS_STYLE_OVERFLOWWRAP_BREAK_WORD },
{ eCSSKeyword_anywhere, NS_STYLE_OVERFLOWWRAP_ANYWHERE },
{ eCSSKeyword_UNKNOWN, -1 }
};

1
layout/style/nsStyleConsts.h
View file

@ -997,6 +997,7 @@ enum class StyleDisplay : uint8_t {
// See nsStyleText
#define NS_STYLE_OVERFLOWWRAP_NORMAL 0
#define NS_STYLE_OVERFLOWWRAP_BREAK_WORD 1
#define NS_STYLE_OVERFLOWWRAP_ANYWHERE 2
// See nsStyleText
#define NS_STYLE_HYPHENS_NONE 0

7
layout/style/nsStyleStruct.h
View file

@ -2133,8 +2133,11 @@ struct MOZ_NEEDS_MEMMOVABLE_MEMBERS nsStyleText
}
bool WordCanWrapStyle() const {
return WhiteSpaceCanWrapStyle() &&
mOverflowWrap == NS_STYLE_OVERFLOWWRAP_BREAK_WORD;
if (!WhiteSpaceCanWrapStyle()) {
return false;
}
return (mOverflowWrap == NS_STYLE_OVERFLOWWRAP_BREAK_WORD ||
mOverflowWrap == NS_STYLE_OVERFLOWWRAP_ANYWHERE);
}
bool HasTextEmphasis() const {