Optimisation

animation.go

@@ -694,15 +694,7 @@ func SetAnimated(rootView View, viewID, tag string, value any, animation Animati
 // IsAnimationPaused returns "true" if an animation of the subview is paused, "false" otherwise.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func IsAnimationPaused(view View, subviewID string) bool {
-	if subviewID != "" {
+	return boolStyledProperty(view, subviewID, AnimationPaused, false)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if result, ok := boolStyledProperty(view, AnimationPaused); ok {
-			return result
-		}
-	}
-	return false
 }
 
 // GetTransition returns the subview transitions. The result is always non-nil.

colorPicker.go

@@ -188,10 +188,10 @@ func GetColorPickerValue(view View, subviewID string) Color {
 		view = ViewByID(view, subviewID)
 	}
 	if view != nil {
-		if result, ok := colorStyledProperty(view, ColorPickerValue); ok {
+		if value, ok := colorProperty(view, ColorPickerValue, view.Session()); ok {
-			return result
+			return value
 		}
-		for _, tag := range []string{Value, ColorTag} {
+		for _, tag := range []string{ColorPickerValue, Value, ColorTag} {
 			if value := valueFromStyle(view, tag); value != nil {
 				if result, ok := valueToColor(value, view.Session()); ok {
 					return result

columnLayout.go

@@ -139,14 +139,7 @@ func (columnLayout *columnLayoutData) set(tag string, value any) bool {
 // based on the "column-width" property.
 // If the second argument (subviewID) is "" then a top position of the first argument (view) is returned
 func GetColumnCount(view View, subviewID string) int {
-	if subviewID != "" {
+	return intStyledProperty(view, subviewID, ColumnCount, 0)
-		view = ViewByID(view, subviewID)
-	}
-	if view == nil {
-		return 0
-	}
-	result, _ := intStyledProperty(view, ColumnCount, 0)
-	return result
 }
 
 // GetColumnWidth returns SizeUnit value which specifies the width of each column of ColumnLayout.

datePicker.go

@@ -392,15 +392,7 @@ func GetDatePickerMax(view View, subviewID string) (time.Time, bool) {
 // GetDatePickerStep returns the date changing step in days of DatePicker subview.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func GetDatePickerStep(view View, subviewID string) int {
-	if subviewID != "" {
+	return intStyledProperty(view, subviewID, DatePickerStep, 0)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if result, _ := intStyledProperty(view, DatePickerStep, 0); result >= 0 {
-			return result
-		}
-	}
-	return 0
 }
 
 // GetDatePickerValue returns the date of DatePicker subview.

detailsView.go

@@ -208,13 +208,5 @@ func GetDetailsSummary(view View, subviewID string) View {
 // IsDetailsExpanded returns a value of the Expanded property of DetailsView.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func IsDetailsExpanded(view View, subviewID string) bool {
-	if subviewID != "" {
+	return boolStyledProperty(view, subviewID, Expanded, false)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if result, ok := boolStyledProperty(view, Expanded); ok {
-			return result
-		}
-	}
-	return false
 }

editView.go

@@ -546,43 +546,19 @@ func GetHint(view View, subviewID string) string {
 // GetMaxLength returns a maximal lenght of EditView. If a maximal lenght is not limited  then 0 is returned
 // If the second argument (subviewID) is "" then a value of the first argument (view) is returned.
 func GetMaxLength(view View, subviewID string) int {
-	if subviewID != "" {
+	return intStyledProperty(view, subviewID, MaxLength, 0)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if result, ok := intStyledProperty(view, MaxLength, 0); ok {
-			return result
-		}
-	}
-	return 0
 }
 
 // IsReadOnly returns the true if a EditView works in read only mode.
 // If the second argument (subviewID) is "" then a value of the first argument (view) is returned.
 func IsReadOnly(view View, subviewID string) bool {
-	if subviewID != "" {
+	return boolStyledProperty(view, subviewID, ReadOnly, false)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if result, ok := boolStyledProperty(view, ReadOnly); ok {
-			return result
-		}
-	}
-	return false
 }
 
 // IsSpellcheck returns a value of the Spellcheck property of EditView.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func IsSpellcheck(view View, subviewID string) bool {
-	if subviewID != "" {
+	return boolStyledProperty(view, subviewID, Spellcheck, false)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if spellcheck, ok := boolStyledProperty(view, Spellcheck); ok {
-			return spellcheck
-		}
-	}
-	return false
 }
 
 // GetTextChangedListeners returns the TextChangedListener list of an EditView or MultiLineEditView subview.
@@ -629,16 +605,7 @@ func GetEditViewPattern(view View, subviewID string) string {
 // IsEditViewWrap returns a value of the EditWrap property of MultiLineEditView.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func IsEditViewWrap(view View, subviewID string) bool {
-	if subviewID != "" {
+	return boolStyledProperty(view, subviewID, EditWrap, false)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if wrap, ok := boolStyledProperty(view, EditWrap); ok {
-			return wrap
-		}
-	}
-	return false
-
 }
 
 // AppendEditText appends the text to the EditView content.
@@ -659,12 +626,5 @@ func AppendEditText(view View, subviewID string, text string) {
 // GetCaretColor returns the color of the text input carret.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func GetCaretColor(view View, subviewID string) Color {
-	if subviewID != "" {
+	return colorStyledProperty(view, subviewID, CaretColor, false)
-		view = ViewByID(view, subviewID)
-	}
-	if view == nil {
-		return 0
-	}
-	t, _ := colorStyledProperty(view, CaretColor)
-	return t
 }

filePicker.go

@@ -251,7 +251,7 @@ func (picker *filePickerData) htmlProperties(self View, buffer *strings.Builder)
 	}
 
 	buffer.WriteString(` type="file"`)
-	if multiple, ok := boolStyledProperty(picker, Multiple); ok && multiple {
+	if IsMultipleFilePicker(picker, "") {
 		buffer.WriteString(` multiple`)
 	}
 
@@ -354,15 +354,7 @@ func LoadFilePickerFile(view View, subviewID string, file FileInfo, result func(
 // IsMultipleFilePicker returns "true" if multiple files can be selected in the FilePicker, "false" otherwise.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func IsMultipleFilePicker(view View, subviewID string) bool {
-	if subviewID != "" {
+	return boolStyledProperty(view, subviewID, Multiple, false)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if result, ok := boolStyledProperty(view, Multiple); ok {
-			return result
-		}
-	}
-	return false
 }
 
 // GetFilePickerAccept returns sets the list of allowed file extensions or MIME types.

numberPicker.go

@@ -272,54 +272,29 @@ func GetNumberPickerType(view View, subviewID string) int {
 // GetNumberPickerMinMax returns the min and max value of NumberPicker subview.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func GetNumberPickerMinMax(view View, subviewID string) (float64, float64) {
-	if subviewID != "" {
+	var defMin, defMax float64
-		view = ViewByID(view, subviewID)
+	if GetNumberPickerType(view, subviewID) == NumberSlider {
+		defMin = 0
+		defMax = 1
+	} else {
+		defMin = math.Inf(-1)
+		defMax = math.Inf(1)
 	}
-	if view != nil {
-		t, _ := enumStyledProperty(view, NumberPickerType, NumberEditor)
-		var defMin, defMax float64
 
-		if t == NumberSlider {
+	min := floatStyledProperty(view, subviewID, NumberPickerMin, defMin)
-			defMin = 0
+	max := floatStyledProperty(view, subviewID, NumberPickerMax, defMax)
-			defMax = 1
-		} else {
-			defMin = math.Inf(-1)
-			defMax = math.Inf(1)
-		}
-		min, ok := floatStyledProperty(view, NumberPickerMin, defMin)
-		if !ok {
-			min, _ = floatStyledProperty(view, Min, defMin)
-		}
 
-		max, ok := floatStyledProperty(view, NumberPickerMax, defMax)
+	if min > max {
-		if !ok {
+		return max, min
-			max, _ = floatStyledProperty(view, Max, defMax)
-		}
-
-		if min > max {
-			return max, min
-		}
-		return min, max
 	}
-	return 0, 1
+	return min, max
 }
 
 // GetNumberPickerStep returns the value changing step of NumberPicker subview.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func GetNumberPickerStep(view View, subviewID string) float64 {
-	if subviewID != "" {
+	_, max := GetNumberPickerMinMax(view, subviewID)
-		view = ViewByID(view, subviewID)
+	result := floatStyledProperty(view, subviewID, NumberPickerStep, 0)
-	}
-	if view == nil {
-		return 0
-	}
-
-	result, ok := floatStyledProperty(view, NumberPickerStep, 0)
-	if !ok {
-		result, _ = floatStyledProperty(view, Step, 0)
-	}
-
-	_, max := GetNumberPickerMinMax(view, "")
 	if result > max {
 		return max
 	}
@@ -329,18 +304,8 @@ func GetNumberPickerStep(view View, subviewID string) float64 {
 // GetNumberPickerValue returns the value of NumberPicker subview.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func GetNumberPickerValue(view View, subviewID string) float64 {
-	if subviewID != "" {
+	min, _ := GetNumberPickerMinMax(view, subviewID)
-		view = ViewByID(view, subviewID)
+	result := floatStyledProperty(view, subviewID, NumberPickerValue, min)
-	}
-	if view == nil {
-		return 0
-	}
-
-	min, _ := GetNumberPickerMinMax(view, "")
-	result, ok := floatStyledProperty(view, NumberPickerValue, min)
-	if !ok {
-		result, _ = floatStyledProperty(view, Value, min)
-	}
 	return result
 }
 

progressBar.go

@@ -108,33 +108,11 @@ func (progress *progressBarData) htmlProperties(self View, buffer *strings.Build
 // GetProgressBarMax returns the max value of ProgressBar subview.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func GetProgressBarMax(view View, subviewID string) float64 {
-	if subviewID != "" {
+	return floatStyledProperty(view, subviewID, ProgressBarMax, 1)
-		view = ViewByID(view, subviewID)
-	}
-	if view == nil {
-		return 0
-	}
-
-	result, ok := floatStyledProperty(view, ProgressBarMax, 1)
-	if !ok {
-		result, _ = floatStyledProperty(view, Max, 1)
-	}
-	return result
 }
 
 // GetProgressBarValue returns the value of ProgressBar subview.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func GetProgressBarValue(view View, subviewID string) float64 {
-	if subviewID != "" {
+	return floatStyledProperty(view, subviewID, ProgressBarValue, 0)
-		view = ViewByID(view, subviewID)
-	}
-	if view == nil {
-		return 0
-	}
-
-	result, ok := floatStyledProperty(view, ProgressBarValue, 0)
-	if !ok {
-		result, _ = floatStyledProperty(view, Value, 0)
-	}
-	return result
 }

tableViewUtils.go

@@ -120,27 +120,13 @@ func GetTableVerticalAlign(view View, subviewID string) int {
 // GetTableHeadHeight returns the number of rows in the table header.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func GetTableHeadHeight(view View, subviewID string) int {
-	if subviewID != "" {
+	return intStyledProperty(view, subviewID, HeadHeight, 0)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		headHeight, _ := intStyledProperty(view, HeadHeight, 0)
-		return headHeight
-	}
-	return 0
 }
 
 // GetTableFootHeight returns the number of rows in the table footer.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func GetTableFootHeight(view View, subviewID string) int {
-	if subviewID != "" {
+	return intStyledProperty(view, subviewID, FootHeight, 0)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		headHeight, _ := intStyledProperty(view, FootHeight, 0)
-		return headHeight
-	}
-	return 0
 }
 
 // GetTableCurrent returns the row and column index of the TableView selected cell/row.

timePicker.go

@@ -380,22 +380,7 @@ func GetTimePickerMax(view View, subviewID string) (time.Time, bool) {
 // GetTimePickerStep returns the time changing step in seconds of TimePicker subview.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func GetTimePickerStep(view View, subviewID string) int {
-	if subviewID != "" {
+	return intStyledProperty(view, subviewID, TimePickerStep, 60)
-		view = ViewByID(view, subviewID)
-	}
-	if view == nil {
-		return 60
-	}
-
-	result, ok := intStyledProperty(view, TimePickerStep, 60)
-	if !ok {
-		result, _ = intStyledProperty(view, Step, 60)
-	}
-
-	if result < 0 {
-		return 60
-	}
-	return result
 }
 
 // GetTimePickerValue returns the time of TimePicker subview.

viewUtils.go

@@ -103,15 +103,7 @@ func GetSemantics(view View, subviewID string) int {
 // GetOpacity returns the subview opacity.
 // If the second argument (subviewID) is "" then an opacity of the first argument (view) is returned
 func GetOpacity(view View, subviewID string) float64 {
-	if subviewID != "" {
+	return floatStyledProperty(view, subviewID, Opacity, 1)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if style, ok := floatStyledProperty(view, Opacity, 1); ok {
-			return style
-		}
-	}
-	return 1
 }
 
 // GetStyle returns the subview style id.
@@ -183,14 +175,7 @@ func GetOverflow(view View, subviewID string) int {
 // GetZIndex returns the subview z-order.
 // If the second argument (subviewID) is "" then a z-order of the first argument (view) is returned
 func GetZIndex(view View, subviewID string) int {
-	if subviewID != "" {
+	return intStyledProperty(view, subviewID, Visibility, 0)
-		view = ViewByID(view, subviewID)
-	}
-	if view == nil {
-		return 0
-	}
-	result, _ := intStyledProperty(view, Visibility, 0)
-	return result
 }
 
 // GetWidth returns the subview width.
@@ -434,14 +419,7 @@ func GetTextShadows(view View, subviewID string) []ViewShadow {
 // GetBackgroundColor returns a background color of the subview.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func GetBackgroundColor(view View, subviewID string) Color {
-	if subviewID != "" {
+	return colorStyledProperty(view, subviewID, BackgroundColor, false)
-		view = ViewByID(view, subviewID)
-	}
-	if view == nil {
-		return 0
-	}
-	color, _ := colorStyledProperty(view, BackgroundColor)
-	return color
 }
 
 // GetFontName returns the subview font.
@@ -469,18 +447,7 @@ func GetFontName(view View, subviewID string) string {
 // GetTextColor returns a text color of the subview.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func GetTextColor(view View, subviewID string) Color {
-	if subviewID != "" {
+	return colorStyledProperty(view, subviewID, TextColor, true)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if color, ok := colorStyledProperty(view, TextColor); ok {
-			return color
-		}
-		if parent := view.Parent(); parent != nil {
-			return GetTextColor(parent, "")
-		}
-	}
-	return 0
 }
 
 // GetTextSize returns a text size of the subview.
@@ -607,86 +574,31 @@ func GetLineHeight(view View, subviewID string) SizeUnit {
 // IsItalic returns "true" if a text font of the subview is displayed in italics, "false" otherwise.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func IsItalic(view View, subviewID string) bool {
-	if subviewID != "" {
+	return boolStyledProperty(view, subviewID, Italic, true)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if result, ok := boolStyledProperty(view, Italic); ok {
-			return result
-		}
-		if parent := view.Parent(); parent != nil {
-			return IsItalic(parent, "")
-		}
-	}
-	return false
 }
 
 // IsSmallCaps returns "true" if a text font of the subview is displayed in small caps, "false" otherwise.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func IsSmallCaps(view View, subviewID string) bool {
-	if subviewID != "" {
+	return boolStyledProperty(view, subviewID, SmallCaps, true)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if result, ok := boolStyledProperty(view, SmallCaps); ok {
-			return result
-		}
-		if parent := view.Parent(); parent != nil {
-			return IsSmallCaps(parent, "")
-		}
-	}
-	return false
 }
 
 // IsStrikethrough returns "true" if a text font of the subview is displayed strikethrough, "false" otherwise.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func IsStrikethrough(view View, subviewID string) bool {
-	if subviewID != "" {
+	return boolStyledProperty(view, subviewID, Strikethrough, true)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if result, ok := boolStyledProperty(view, Strikethrough); ok {
-			return result
-		}
-		if parent := view.Parent(); parent != nil {
-			return IsStrikethrough(parent, "")
-		}
-	}
-	return false
 }
 
 // IsOverline returns "true" if a text font of the subview is displayed overlined, "false" otherwise.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func IsOverline(view View, subviewID string) bool {
-	if subviewID != "" {
+	return boolStyledProperty(view, subviewID, Overline, true)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if result, ok := boolStyledProperty(view, Overline); ok {
-			return result
-		}
-		if parent := view.Parent(); parent != nil {
-			return IsOverline(parent, "")
-		}
-	}
-	return false
 }
 
 // IsUnderline returns "true" if a text font of the subview is displayed underlined, "false" otherwise.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func IsUnderline(view View, subviewID string) bool {
-	if subviewID != "" {
+	return boolStyledProperty(view, subviewID, Underline, true)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if result, ok := boolStyledProperty(view, Underline); ok {
-			return result
-		}
-		if parent := view.Parent(); parent != nil {
-			return IsUnderline(parent, "")
-		}
-	}
-	return false
 }
 
 // GetTextLineThickness returns the stroke thickness of the decoration line that
@@ -729,18 +641,7 @@ func GetTextLineStyle(view View, subviewID string) int {
 // is used on text in an element, such as a line-through, underline, or overline.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func GetTextLineColor(view View, subviewID string) Color {
-	if subviewID != "" {
+	return colorStyledProperty(view, subviewID, TextLineColor, true)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if color, ok := colorStyledProperty(view, TextLineColor); ok {
-			return color
-		}
-		if parent := view.Parent(); parent != nil {
-			return GetTextLineColor(parent, "")
-		}
-	}
-	return 0
 }
 
 // GetTextTransform returns a text transform of the subview. Return one of next values:
@@ -892,15 +793,7 @@ func GetPerspectiveOrigin(view View, subviewID string) (SizeUnit, SizeUnit) {
 // false - the back face is hidden, effectively making the element invisible when turned away from the user.
 // If the second argument (subviewID) is "" then a value from the first argument (view) is returned.
 func GetBackfaceVisible(view View, subviewID string) bool {
-	if subviewID != "" {
+	return boolStyledProperty(view, subviewID, BackfaceVisible, false)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if result, ok := boolStyledProperty(view, BackfaceVisible); ok {
-			return result
-		}
-	}
-	return true
 }
 
 // GetOrigin returns a x-, y-, and z-coordinate of the point around which a view transformation is applied.
@@ -974,29 +867,11 @@ func GetRotate(view View, subviewID string) (float64, float64, float64, AngleUni
 // and "false" if allows, but does not force, any break to be inserted within the principal box.
 // If the second argument (subviewID) is "" then a top position of the first argument (view) is returned
 func GetAvoidBreak(view View, subviewID string) bool {
-	if subviewID != "" {
+	return boolStyledProperty(view, subviewID, AvoidBreak, true)
-		view = ViewByID(view, subviewID)
-	}
-	if view == nil {
-		return false
-	}
-	result, _ := boolStyledProperty(view, AvoidBreak)
-	return result
 }
 
 func GetNotTranslate(view View, subviewID string) bool {
-	if subviewID != "" {
+	return boolStyledProperty(view, subviewID, NotTranslate, true)
-		view = ViewByID(view, subviewID)
-	}
-	if view != nil {
-		if result, ok := boolStyledProperty(view, NotTranslate); ok {
-			return result
-		}
-		if parent := view.Parent(); parent != nil {
-			return GetNotTranslate(parent, "")
-		}
-	}
-	return false
 }
 
 func valueFromStyle(view View, tag string) any {
@@ -1038,45 +913,83 @@ func enumStyledProperty(view View, tag string, defaultValue int) (int, bool) {
 	return defaultValue, false
 }
 
-func boolStyledProperty(view View, tag string) (bool, bool) {
+func boolStyledProperty(view View, subviewID string, tag string, inherit bool) bool {
-	if value, ok := boolProperty(view, tag, view.Session()); ok {
+	if subviewID != "" {
-		return value, true
+		view = ViewByID(view, subviewID)
 	}
-	if value := valueFromStyle(view, tag); value != nil {
+
-		return valueToBool(value, view.Session())
+	if view != nil {
+		if value, ok := boolProperty(view, tag, view.Session()); ok {
+			return value
+		}
+		if value := valueFromStyle(view, tag); value != nil {
+			if b, ok := valueToBool(value, view.Session()); ok {
+				return b
+			}
+		}
+
+		if inherit {
+			if parent := view.Parent(); parent != nil {
+				return boolStyledProperty(parent, "", tag, inherit)
+			}
+		}
 	}
-	return false, false
+
+	return false
 }
 
-func intStyledProperty(view View, tag string, defaultValue int) (int, bool) {
+func intStyledProperty(view View, subviewID string, tag string, defaultValue int) int {
-	if value, ok := intProperty(view, tag, view.Session(), defaultValue); ok {
+	if subviewID != "" {
-		return value, true
+		view = ViewByID(view, subviewID)
 	}
-	if value := valueFromStyle(view, tag); value != nil {
+	if view != nil {
-		return valueToInt(value, view.Session(), defaultValue)
+		if value, ok := intProperty(view, tag, view.Session(), defaultValue); ok {
+			return value
+		}
+		if value := valueFromStyle(view, tag); value != nil {
+			n, _ := valueToInt(value, view.Session(), defaultValue)
+			return n
+		}
 	}
-	return defaultValue, false
+	return defaultValue
 }
 
-func floatStyledProperty(view View, tag string, defaultValue float64) (float64, bool) {
+func floatStyledProperty(view View, subviewID string, tag string, defaultValue float64) float64 {
-	if value, ok := floatProperty(view, tag, view.Session(), defaultValue); ok {
+	if subviewID != "" {
-		return value, true
+		view = ViewByID(view, subviewID)
 	}
-	if value := valueFromStyle(view, tag); value != nil {
+	if view != nil {
-		return valueToFloat(value, view.Session(), defaultValue)
+		if value, ok := floatProperty(view, tag, view.Session(), defaultValue); ok {
+			return value
+		}
+		if value := valueFromStyle(view, tag); value != nil {
+			f, _ := valueToFloat(value, view.Session(), defaultValue)
+			return f
+		}
 	}
-
+	return defaultValue
-	return defaultValue, false
 }
 
-func colorStyledProperty(view View, tag string) (Color, bool) {
+func colorStyledProperty(view View, subviewID, tag string, inherit bool) Color {
-	if value, ok := colorProperty(view, tag, view.Session()); ok {
+	if subviewID != "" {
-		return value, true
+		view = ViewByID(view, subviewID)
 	}
-	if value := valueFromStyle(view, tag); value != nil {
+	if view != nil {
-		return valueToColor(value, view.Session())
+		if value, ok := colorProperty(view, tag, view.Session()); ok {
+			return value
+		}
+		if value := valueFromStyle(view, tag); value != nil {
+			if color, ok := valueToColor(value, view.Session()); ok {
+				return color
+			}
+		}
+		if inherit {
+			if parent := view.Parent(); parent != nil {
+				return colorStyledProperty(parent, "", tag, true)
+			}
+		}
 	}
-	return Color(0), false
+	return Color(0)
 }
 
 // FocusView sets focus on the specified View, if it can be focused.
@@ -1143,29 +1056,30 @@ func IsUserSelect(view View, subviewID string) bool {
 }
 
 func isUserSelect(view View) (bool, bool) {
-	result, ok := boolStyledProperty(view, UserSelect)
+	if value, ok := boolProperty(view, UserSelect, view.Session()); ok {
-	if ok {
+		return value, true
-		return result, true
+	}
+	if value := valueFromStyle(view, UserSelect); value != nil {
+		if b, ok := valueToBool(value, view.Session()); ok {
+			return b, true
+		}
 	}
 
 	if parent := view.Parent(); parent != nil {
-		result, ok = isUserSelect(parent)
+		if result, ok := isUserSelect(parent); ok {
-		if ok {
 			return result, true
 		}
 	}
 
-	if !result {
+	switch GetSemantics(view, "") {
-		switch GetSemantics(view, "") {
+	case ParagraphSemantics, H1Semantics, H2Semantics, H3Semantics, H4Semantics, H5Semantics,
-		case ParagraphSemantics, H1Semantics, H2Semantics, H3Semantics, H4Semantics, H5Semantics,
+		H6Semantics, BlockquoteSemantics, CodeSemantics:
-			H6Semantics, BlockquoteSemantics, CodeSemantics:
+		return true, false
-			return true, false
-		}
-
-		if _, ok := view.(TableView); ok {
-			return true, false
-		}
 	}
 
-	return result, false
+	if _, ok := view.(TableView); ok {
+		return true, false
+	}
+
+	return false, false
 }