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Issue #1668 - Part 1: Implement support for caret-color property.

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This CSS property allows input carets (that blinking input cursor you see in text fields), to be given a custom color. This was implemented in Firefox 53, and it was such a minor feature that no one ever missed it, but I don't see any harm in implementing this.

https://bugzilla.mozilla.org/show_bug.cgi?id=1063162
This commit is contained in:
athenian200 2020-09-29 11:31:46 -05:00 • committed by roytam1
commit 33e50615d9
13 changed files with 118 additions and 11 deletions
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15
layout/style/nsRuleNode.cpp
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@ -1151,13 +1151,16 @@ SetComplexColor(const nsCSSValue& aValue,
aResult = StyleComplexColor::CurrentColor();
} else if (unit == eCSSUnit_ComplexColor) {
aResult = aValue.GetStyleComplexColorValue();
} else if (unit == eCSSUnit_Auto) {
aResult = StyleComplexColor::Auto();
} else {
nscolor resultColor;
if (!SetColor(aValue, aParentColor.mColor, aPresContext,
nullptr, aResult.mColor, aConditions)) {
nullptr, resultColor, aConditions)) {
MOZ_ASSERT_UNREACHABLE("Unknown color value");
return;
}
aResult.mForegroundRatio = 0;
aResult = StyleComplexColor::FromColor(resultColor);
}
}
@ -5209,6 +5212,14 @@ nsRuleNode::ComputeUserInterfaceData(void* aStartStruct,
parentUI->mPointerEvents,
NS_STYLE_POINTER_EVENTS_AUTO);
// caret-color: auto, color, inherit
const nsCSSValue* caretColorValue = aRuleData->ValueForCaretColor();
SetComplexColor<eUnsetInherit>(*caretColorValue,
parentUI->mCaretColor,
StyleComplexColor::Auto(),
mPresContext,
ui->mCaretColor, conditions);
COMPUTE_END_INHERITED(UserInterface, ui)
}