In ViewBorder structure: the type of Color field is replaced by ColorPair and added CurrentColor method

CHANGELOG.md

@@ -11,6 +11,7 @@
 * Added ViewSeq add ViewCount methods to ParentView interface
 * Added ToBoundsProperty method to Bounds struct
 * Added ColorPair type
+* In ViewBorder structure: the type of Color field is replaced by ColorPair and added CurrentColor method
 
 # v0.20.0
 

border.go

@@ -772,23 +772,18 @@ func (border *borderProperty) ViewBorders(session Session) ViewBorders {
 	getBorder := func(prefix PropertyName) ViewBorder {
 		var result ViewBorder
 		var ok bool
+
 		if result.Style, ok = valueToEnum(border.getRaw(prefix+Style), BorderStyle, session, NoneLine); !ok {
 			result.Style = defaultStyle
 		}
+
 		if result.Width, ok = sizeProperty(border, prefix+Width, session); !ok {
 			result.Width = defaultWidth
 		}
 
-		lightColor, darkColor, ok := colorProperty(border, prefix+ColorTag, session)
-		if !ok {
-			lightColor = defaultLightColor
-			darkColor = defaultDarkColor
-		}
-
-		if session.DarkTheme() {
-			result.Color = darkColor
-		} else {
-			result.Color = lightColor
+		if result.Color.Light, result.Color.Dark, ok = colorProperty(border, prefix+ColorTag, session); !ok {
+			result.Color.Light = defaultLightColor
+			result.Color.Dark = defaultDarkColor
 		}
 
 		return result
@@ -837,12 +832,15 @@ func (border *borderProperty) cssColor(builder cssBuilder, session Session) {
 	if borders.Top.Color == borders.Right.Color &&
 		borders.Top.Color == borders.Left.Color &&
 		borders.Top.Color == borders.Bottom.Color {
-		if borders.Top.Color != 0 {
-			builder.add("border-color", borders.Top.Color.cssString())
+		if borders.Top.Color.Light != 0 || borders.Top.Color.Dark != 0 {
+			builder.add("border-color", borders.Top.Color.cssString(session))
 		}
 	} else {
-		builder.addValues("border-color", " ", borders.Top.Color.cssString(),
-			borders.Right.Color.cssString(), borders.Bottom.Color.cssString(), borders.Left.Color.cssString())
+		builder.addValues("border-color", " ",
+			borders.Top.Color.cssString(session),
+			borders.Right.Color.cssString(session),
+			borders.Bottom.Color.cssString(session),
+			borders.Left.Color.cssString(session))
 	}
 }
 
@@ -870,7 +868,7 @@ type ViewBorder struct {
 	Style int
 
 	// Color of the border line
-	Color Color
+	Color ColorPair
 
 	// Width of the border line
 	Width SizeUnit
@@ -881,6 +879,14 @@ type ViewBorders struct {
 	Top, Right, Bottom, Left ViewBorder
 }
 
+// CurrentColor returns the border color used in the current theme.
+func (border *ViewBorder) CurrentColor(session Session) Color {
+	if session.DarkTheme() {
+		return border.Color.Dark
+	}
+	return border.Color.Light
+}
+
 // AllTheSame returns true if all borders are the same
 func (border *ViewBorders) AllTheSame() bool {
 	return border.Top.Style == border.Right.Style &&

color.go

@@ -255,3 +255,18 @@ func parseColorPair(obj DataObject) (ColorPair, bool) {
 func (pair ColorPair) String() string {
 	return fmt.Sprintf("_{ light = %s, dark = %s }", pair.Light.String(), pair.Dark.String())
 }
+
+func (pair ColorPair) cssString(session Session) string {
+
+	if session.lightDarkSupport() {
+		buffer := allocStringBuilder()
+		defer freeStringBuilder(buffer)
+		writeColorCSS(buffer, pair.Light, pair.Dark, session)
+		return buffer.String()
+	}
+
+	if session.DarkTheme() {
+		return pair.Dark.cssString()
+	}
+	return pair.Light.cssString()
+}

columnLayout.go

@@ -244,7 +244,7 @@ func GetColumnSeparatorWidth(view View, subviewID ...string) SizeUnit {
 // If the second argument (subviewID) is not specified or it is "" then a top position of the first argument (view) is returned
 func GetColumnSeparatorColor(view View, subviewID ...string) Color {
 	border := getColumnSeparator(view, subviewID)
-	return border.Color
+	return border.CurrentColor(view.Session())
 }
 
 // GetColumnFill returns a "column-fill" property value of the subview.

columnSeparator.go

@@ -129,15 +129,12 @@ func getColumnSeparatorProperty(properties Properties) ColumnSeparatorProperty {
 func (separator *columnSeparatorProperty) ViewBorder(session Session) ViewBorder {
 	style, _ := valueToEnum(separator.getRaw(Style), BorderStyle, session, NoneLine)
 	width, _ := sizeProperty(separator, Width, session)
-	color, darkColor, _ := colorProperty(separator, ColorTag, session)
-	if session.DarkTheme() {
-		color = darkColor
-	}
+	lightColor, darkColor, _ := colorProperty(separator, ColorTag, session)
 
 	return ViewBorder{
 		Style: style,
 		Width: width,
-		Color: color,
+		Color: ColorPair{Light: lightColor, Dark: darkColor},
 	}
 }