Added missing comments for exported types like constants, variables, functions, structs and interfaces

absoluteLayout.go

@@ -2,7 +2,7 @@ package rui
 
 import "strings"
 
-// AbsoluteLayout - list-container of View
+// AbsoluteLayout represent an AbsoluteLayout view where child views can be arbitrary positioned
 type AbsoluteLayout interface {
 	ViewsContainer
 }

angleUnit.go

@@ -11,6 +11,7 @@ import (
 // Can take the following values: Radian, Degree, Gradian, and Turn
 type AngleUnitType uint8
 
+// Constants which represent values or the [AngleUnitType]
 const (
 	// Radian - angle in radians
 	Radian AngleUnitType = 0
@@ -24,9 +25,12 @@ const (
 	Turn AngleUnitType = 4
 )
 
-// AngleUnit describe a size (Value field) and size unit (Type field).
+// AngleUnit used to represent an angular values
 type AngleUnit struct {
-	Type  AngleUnitType
+	// Type of the angle value
+	Type AngleUnitType
+
+	// Value of the angle in Type units
 	Value float64
 }
 

animation.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 )
 
+// Constants which related to view's animation
 const (
 	// AnimationTag is the constant for the "animation" property tag.
 	// The "animation" property sets and starts animations.
@@ -168,6 +169,7 @@ func parseAnimation(obj DataObject) Animation {
 	return animation
 }
 
+// NewAnimation creates a new animation object and return its interface
 func NewAnimation(params Params) Animation {
 	animation := new(animationData)
 	animation.init()

animationEvents.go

@@ -2,6 +2,7 @@ package rui
 
 import "strings"
 
+// Constants which describe values for view's animation events properties
 const (
 	// TransitionRunEvent is the constant for "transition-run-event" property tag.
 	// The "transition-run-event" is fired when a transition is first created,

appServer.go

@@ -415,6 +415,7 @@ func StartApp(addr string, createContentFunc func(Session) SessionContent, param
 	}
 }
 
+// FinishApp finishes application
 func FinishApp() {
 	for _, app := range apps {
 		app.Finish()
@@ -422,6 +423,8 @@ func FinishApp() {
 	apps = []*application{}
 }
 
+// OpenBrowser open browser with specific URL locally. Useful for applications which run on local machine
+// or for debug purposes.
 func OpenBrowser(url string) bool {
 	var err error
 

application.go

@@ -14,10 +14,14 @@ var appStyles string
 //go:embed defaultTheme.rui
 var defaultThemeText string
 
-// Application - app interface
+// Application represent generic application interface, see also [Session]
 type Application interface {
+	// Finish finishes the application
 	Finish()
+
+	// Params returns application parameters set by StartApp function
 	Params() AppParams
+
 	removeSession(id int)
 }
 

audioPlayer.go

@@ -1,5 +1,6 @@
 package rui
 
+// AudioPlayer is a type of a [View] which can play audio files
 type AudioPlayer interface {
 	MediaPlayer
 }

background.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 )
 
+// Constants related to view's background description
 const (
 	// NoRepeat is value of the Repeat property of an background image:
 	// The image is not repeated (and hence the background image painting area
@@ -61,13 +62,18 @@ const (
 	ContentBoxClip = 2
 )
 
-// BackgroundElement describes the background element.
+// BackgroundElement describes the background element
 type BackgroundElement interface {
 	Properties
 	fmt.Stringer
 	stringWriter
 	cssStyle(session Session) string
+
+	// Tag returns type of the background element.
+	// Possible values are: "image", "conic-gradient", "linear-gradient" and "radial-gradient"
 	Tag() string
+
+	// Clone creates a new copy of BackgroundElement
 	Clone() BackgroundElement
 }
 

backgroundConicGradient.go

@@ -28,6 +28,7 @@ func NewBackgroundConicGradient(params Params) BackgroundElement {
 	return result
 }
 
+// String convert internal representation of [BackgroundGradientAngle] into a string.
 func (point *BackgroundGradientAngle) String() string {
 	result := "black"
 	if point.Color != nil {

backgroundGradient.go

@@ -2,6 +2,7 @@ package rui
 
 import "strings"
 
+// Constants related to view's background gradient description
 const (
 
 	// ToTopGradient is value of the Direction property of a linear gradient. The value is equivalent to the 0deg angle
@@ -224,6 +225,7 @@ func (point *BackgroundGradientPoint) color(session Session) (Color, bool) {
 	return 0, false
 }
 
+// String convert internal representation of [BackgroundGradientPoint] into a string.
 func (point *BackgroundGradientPoint) String() string {
 	result := "black"
 	if point.Color != nil {

border.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 )
 
+// Constants related to view's border description
 const (
 	// NoneLine constant specifies that there is no border
 	NoneLine = 0
@@ -50,7 +51,10 @@ type BorderProperty interface {
 	Properties
 	fmt.Stringer
 	stringWriter
+
+	// ViewBorders returns top, right, bottom and left borders information all together
 	ViewBorders(session Session) ViewBorders
+
 	delete(tag string)
 	cssStyle(builder cssBuilder, session Session)
 	cssWidth(builder cssBuilder, session Session)
@@ -703,8 +707,13 @@ func (border *borderProperty) cssColorValue(session Session) string {
 
 // ViewBorder describes parameters of a view border
 type ViewBorder struct {
+	// Style of the border line
 	Style int
+
+	// Color of the border line
 	Color Color
+
+	// Width of the border line
 	Width SizeUnit
 }
 

bounds.go

@@ -5,11 +5,13 @@ import (
 	"strings"
 )
 
-// BorderProperty is the interface of a bounds property data
+// BorderProperty is an interface of a bounds property data
 type BoundsProperty interface {
 	Properties
 	fmt.Stringer
 	stringWriter
+
+	// Bounds returns top, right, bottom and left size of the bounds
 	Bounds(session Session) Bounds
 }
 

button.go

@@ -1,6 +1,6 @@
 package rui
 
-// Button - button view
+// Button represent a Button view
 type Button interface {
 	CustomView
 }

canvas.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 )
 
+// Constants related to canvas view operations
 const (
 	// MiterJoin - Connected segments are joined by extending their outside edges
 	// to connect at a single point, with the effect of filling an additional
@@ -91,7 +92,7 @@ type TextMetrics struct {
 	Right float64
 }
 
-// Canvas is a drawing interface
+// Canvas is a drawing interface used by the [CanvasView]
 type Canvas interface {
 	// View return the view for the drawing
 	View() CanvasView

canvasView.go

@@ -10,6 +10,8 @@ const DrawFunction = "draw-function"
 // CanvasView interface of a custom draw view
 type CanvasView interface {
 	View
+
+	// Redraw forces CanvasView to redraw its content
 	Redraw()
 }
 

checkbox.go

@@ -9,7 +9,7 @@ import (
 // The main listener format: func(Checkbox, bool), where the second argument is the checkbox state.
 const CheckboxChangedEvent = "checkbox-event"
 
-// Checkbox - checkbox view
+// Checkbox represent a Checkbox view
 type Checkbox interface {
 	ViewsContainer
 }

colorConstants.go

@@ -2,6 +2,7 @@ package rui
 
 import "sort"
 
+// A set of predefined colors used in the library
 const (
 	// Black color constant
 	Black Color = 0xff000000
@@ -449,8 +450,12 @@ var colorConstants = map[string]Color{
 	"yellowgreen":          0xff9acd32,
 }
 
+// NamedColor make a relation between color and its name
 type NamedColor struct {
-	Name  string
+	// Name of a color
+	Name string
+
+	// Color value
 	Color Color
 }
 

colorPicker.go

@@ -4,12 +4,19 @@ import (
 	"strings"
 )
 
+// Constants for [ColorPicker] specific properties and events.
 const (
+	// ColorChangedEvent is the constant for "color-changed" property tag.
+	// The "color-changed" event occurs when [ColorPicker] value has been changed.
+	// The main listener format: func(picker ColorPicker, newColor, oldColor Color).
 	ColorChangedEvent = "color-changed"
-	ColorPickerValue  = "color-picker-value"
+
+	// ColorPickerValue is the constant for "color-picker-value" property tag.
+	// The "color-picker-value" define current color picker value.
+	ColorPickerValue = "color-picker-value"
 )
 
-// ColorPicker - ColorPicker view
+// ColorPicker represent a ColorPicker view
 type ColorPicker interface {
 	View
 }

columnLayout.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 )
 
+// Constants for [ColumnLayout] specific properties and events
 const (
 	// ColumnCount is the constant for the "column-count" property tag.
 	// The "column-count" int property specifies number of columns into which the content is break
@@ -52,7 +53,7 @@ const (
 	ColumnSpanAll = "column-span-all"
 )
 
-// ColumnLayout - grid-container of View
+// ColumnLayout represent a ColumnLayout view
 type ColumnLayout interface {
 	ViewsContainer
 }

columnSeparator.go

@@ -10,7 +10,10 @@ type ColumnSeparatorProperty interface {
 	Properties
 	fmt.Stringer
 	stringWriter
+
+	// ViewBorder returns column separator description in a form of ViewBorder
 	ViewBorder(session Session) ViewBorder
+
 	cssValue(session Session) string
 }
 

customView.go

@@ -5,8 +5,13 @@ import "strings"
 // CustomView defines a custom view interface
 type CustomView interface {
 	ViewsContainer
+
+	// CreateSuperView must be implemented to create a base view from which custom control has been built
 	CreateSuperView(session Session) View
+
+	// SuperView must be implemented to return a base view from which custom control has been built
 	SuperView() View
+
 	setSuperView(view View)
 	setTag(tag string)
 }
@@ -71,10 +76,14 @@ func (customView *CustomViewData) Set(tag string, value any) bool {
 	return customView.superView.Set(tag, value)
 }
 
+// SetAnimated sets the value (second argument) of the property with name defined by the first argument.
+// Return "true" if the value has been set, in the opposite case "false" are returned and
+// a description of the error is written to the log
 func (customView *CustomViewData) SetAnimated(tag string, value any, animation Animation) bool {
 	return customView.superView.SetAnimated(tag, value, animation)
 }
 
+// SetChangeListener set the function to track the change of the View property
 func (customView *CustomViewData) SetChangeListener(tag string, listener func(View, string)) {
 	customView.superView.SetChangeListener(tag, listener)
 }
@@ -151,10 +160,12 @@ func (customView *CustomViewData) Frame() Frame {
 	return customView.superView.Frame()
 }
 
+// Scroll returns a location and size of a scrollable view in pixels
 func (customView *CustomViewData) Scroll() Frame {
 	return customView.superView.Scroll()
 }
 
+// HasFocus returns "true" if the view has focus
 func (customView *CustomViewData) HasFocus() bool {
 	return customView.superView.HasFocus()
 }
@@ -272,6 +283,7 @@ func (customView *CustomViewData) exscludeTags() []string {
 	return nil
 }
 
+// String convert internal representation of a [CustomViewData] into a string.
 func (customView *CustomViewData) String() string {
 	if customView.superView != nil {
 		return getViewString(customView, customView.exscludeTags())
@@ -285,6 +297,7 @@ func (customView *CustomViewData) setScroll(x, y, width, height float64) {
 	}
 }
 
+// Transition returns the transition animation of the property(tag). Returns nil is there is no transition animation.
 func (customView *CustomViewData) Transition(tag string) Animation {
 	if customView.superView != nil {
 		return customView.superView.Transition(tag)
@@ -292,6 +305,7 @@ func (customView *CustomViewData) Transition(tag string) Animation {
 	return nil
 }
 
+// Transitions returns a map of transition animations. The result is always non-nil.
 func (customView *CustomViewData) Transitions() map[string]Animation {
 	if customView.superView != nil {
 		return customView.superView.Transitions()
@@ -299,6 +313,9 @@ func (customView *CustomViewData) Transitions() map[string]Animation {
 	return map[string]Animation{}
 }
 
+// SetTransition sets the transition animation for the property if "animation" argument is not nil, and
+// removes the transition animation of the property if "animation" argument  is nil.
+// The "tag" argument is the property name.
 func (customView *CustomViewData) SetTransition(tag string, animation Animation) {
 	if customView.superView != nil {
 		customView.superView.SetTransition(tag, animation)

data.go

@@ -7,25 +7,49 @@ import (
 
 // DataValue interface of a data node value
 type DataValue interface {
+	// IsObject returns "true" if data value is an object
 	IsObject() bool
+
+	// Object returns data value as a data object
 	Object() DataObject
+
+	// Value returns value as a string
 	Value() string
 }
 
 // DataObject interface of a data object
 type DataObject interface {
 	DataValue
+
+	// Tag returns data object tag
 	Tag() string
+
+	// PropertyCount returns properties count
 	PropertyCount() int
+
+	// Property returns a data node corresponding to a property with specific index
 	Property(index int) DataNode
+
+	// PropertyByTag returns a data node corresponding to a property tag
 	PropertyByTag(tag string) DataNode
+
+	// PropertyValue returns a string value of a property with a specific tag
 	PropertyValue(tag string) (string, bool)
+
+	// PropertyObject returns an object value of a property with a specific tag
 	PropertyObject(tag string) DataObject
+
+	// SetPropertyValue sets a string value of a property with a specific tag
 	SetPropertyValue(tag, value string)
+
+	// SetPropertyObject sets an object value of a property with a specific tag
 	SetPropertyObject(tag string, object DataObject)
+
+	// ToParams create a params(map) representation of a data object
 	ToParams() Params
 }
 
+// Constants which are used to describe a node type, see [DataNode]
 const (
 	// TextNode - node is the pair "tag - text value". Syntax: <tag> = <text>
 	TextNode = 0
@@ -37,13 +61,28 @@ const (
 
 // DataNode interface of a data node
 type DataNode interface {
+	// Tag returns a tag name
 	Tag() string
+
+	// Type returns a node type. Possible values are TextNode, ObjectNode and ArrayNode
 	Type() int
+
+	// Text returns node text
 	Text() string
+
+	// Object returns node as object if that node type is an object
 	Object() DataObject
+
+	// ArraySize returns array size if that node type is an array
 	ArraySize() int
+
+	// ArrayElement returns a value of an array if that node type is an array
 	ArrayElement(index int) DataValue
+
+	// ArrayElements returns an array of objects if that node is an array
 	ArrayElements() []DataValue
+
+	// ArrayAsParams returns an array of a params(map) if that node is an array
 	ArrayAsParams() []Params
 }
 

datePicker.go

@@ -6,16 +6,33 @@ import (
 	"time"
 )
 
+// Constants for [DatePicker] specific properties and events.
 const (
+	// DateChangedEvent is the constant for "date-changed" property tag.
+	// The "date-changed" event occur when [DatePicker] value has been changed.
+	// The main listener format: func(picker DatePicker, newDate, oldDate time.Time).
 	DateChangedEvent = "date-changed"
-	DatePickerMin    = "date-picker-min"
+
-	DatePickerMax    = "date-picker-max"
+	// DatePickerMin is the constant for "date-picker-min" property tag.
-	DatePickerStep   = "date-picker-step"
+	// The "date-picker-min" define minimum date value.
-	DatePickerValue  = "date-picker-value"
+	DatePickerMin = "date-picker-min"
-	dateFormat       = "2006-01-02"
+
+	// DatePickerMax is the constant for "date-picker-max" property tag.
+	// The "date-picker-max" define maximum date value.
+	DatePickerMax = "date-picker-max"
+
+	// DatePickerStep is the constant for "date-picker-step" property tag.
+	// The "date-picker-step" define date step value in days.
+	DatePickerStep = "date-picker-step"
+
+	// DatePickerValue is the constant for "date-picker-value" property tag.
+	// The "date-picker-value" define current date value.
+	DatePickerValue = "date-picker-value"
+
+	dateFormat = "2006-01-02"
 )
 
-// DatePicker - DatePicker view
+// DatePicker represent a DatePicker view
 type DatePicker interface {
 	View
 }

detailsView.go

@@ -2,6 +2,7 @@ package rui
 
 import "strings"
 
+// Constants for [DetailsView] specific properties and events
 const (
 	// Summary is the constant for the "summary" property tag.
 	// The contents of the "summary" property are used as the label for the disclosure widget.
@@ -12,7 +13,7 @@ const (
 	Expanded = "expanded"
 )
 
-// DetailsView - collapsible container of View
+// DetailsView represent a DetailsView view, which is a collapsible container of views
 type DetailsView interface {
 	ViewsContainer
 }

dropDownList.go

@@ -11,7 +11,7 @@ import (
 // The main listener format: func(DropDownList, int), where the second argument is the item index.
 const DropDownEvent = "drop-down-event"
 
-// DropDownList - the interface of a drop-down list view
+// DropDownList represent a DropDownList view
 type DropDownList interface {
 	View
 	getItems() []string

editView.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 )
 
+// Constants for [EditView] specific properties and events
 const (
 	// EditTextChangedEvent is the constant for the "edit-text-changed" property tag.
 	EditTextChangedEvent = "edit-text-changed"
@@ -19,6 +20,7 @@ const (
 	Spellcheck = "spellcheck"
 )
 
+// Constants for the values of an [EditView] "edit-view-type" property
 const (
 	// SingleLineText - single-line text type of EditView
 	SingleLineText = 0
@@ -36,9 +38,11 @@ const (
 	MultiLineText = 6
 )
 
-// EditView - grid-container of View
+// EditView represent an EditView view
 type EditView interface {
 	View
+
+	// AppendText appends text to the current text of an EditView view
 	AppendText(text string)
 }
 

filePicker.go

@@ -7,6 +7,7 @@ import (
 	"time"
 )
 
+// Constants for [FilePicker] specific properties and events
 const (
 	// FileSelectedEvent is the constant for "file-selected-event" property tag.
 	// The "file-selected-event" is fired when user selects file(s) in the FilePicker.
@@ -31,7 +32,7 @@ type FileInfo struct {
 	MimeType string
 }
 
-// FilePicker - the control view for the files selecting
+// FilePicker represents the FilePicker view
 type FilePicker interface {
 	View
 	// Files returns the list of selected files.

focusEvents.go

@@ -2,6 +2,7 @@ package rui
 
 import "strings"
 
+// Constants which represent [View] specific focus events properties
 const (
 	// FocusEvent is the constant for "focus-event" property tag.
 	// The "focus-event" event occurs when the View takes input focus.

gridLayout.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 )
 
+// Constants related to [GridLayout] specific properties and events
 const (
 	// CellVerticalAlign is the constant for the "cell-vertical-align" property tag.
 	// The "cell-vertical-align" int property sets the default vertical alignment
@@ -43,6 +44,8 @@ const (
 	CellHorizontalSelfAlign = "cell-horizontal-self-align"
 )
 
+// GridAdapter is an interface to define [GridLayout] content. [GridLayout] will query interface functions to populate
+// its content
 type GridAdapter interface {
 	// GridColumnCount returns the number of columns in the grid
 	GridColumnCount() int
@@ -54,21 +57,21 @@ type GridAdapter interface {
 	GridCellContent(row, column int, session Session) View
 }
 
-// GridCellColumnSpanAdapter implements the optional method of GridAdapter interface
+// GridCellColumnSpanAdapter implements the optional method of the [GridAdapter] interface
 type GridCellColumnSpanAdapter interface {
 	// GridCellColumnSpan returns the number of columns that a cell spans.
 	// Values ​​less than 1 are ignored.
 	GridCellColumnSpan(row, column int) int
 }
 
-// GridCellColumnSpanAdapter implements the optional method of GridAdapter interface
+// GridCellColumnSpanAdapter implements the optional method of the [GridAdapter] interface
 type GridCellRowSpanAdapter interface {
 	// GridCellRowSpan returns the number of rows that a cell spans
 	// Values ​​less than 1 are ignored.
 	GridCellRowSpan(row, column int) int
 }
 
-// GridLayout - grid-container of View
+// GridLayout represents a GridLayout view
 type GridLayout interface {
 	ViewsContainer
 

httpHandler.go

@@ -22,26 +22,24 @@ func (h *httpHandler) ServeHTTP(w http.ResponseWriter, req *http.Request) {
 	}
 }
 
-/*
+// NewHandler is used to embed the rui application in third-party web frameworks (net/http, gin, echo...).
-NewHandler is used to embed the rui application in third-party web frameworks (net/http, gin, echo...).
+//
-Example for echo:
+// Example for echo:
-
+//
-	e := echo.New()
+//	e := echo.New()
-	e.Any(`/ui/*`, func()echo.HandlerFunc{
+//	e.Any(`/ui/*`, func()echo.HandlerFunc{
-		rui.AddEmbedResources(&resources)
+//		rui.AddEmbedResources(&resources)
-
+//
-		h := rui.NewHandler("/ui", CreateSessionContent, rui.AppParams{
+//		h := rui.NewHandler("/ui", CreateSessionContent, rui.AppParams{
-			Title: `Awesome app`,
+//			Title: `Awesome app`,
-			Icon: `favicon.png`,
+//			Icon: `favicon.png`,
-		})
+//		})
-
+//
-		return func(c echo.Context) error {
+//		return func(c echo.Context) error {
-			h.ServeHTTP(c.Response(), c.Request())
+//			h.ServeHTTP(c.Response(), c.Request())
-			return nil
+//			return nil
-		}
+//		}
-	})
+//	})
-*/
-
 func NewHandler(urlPrefix string, createContentFunc func(Session) SessionContent, params AppParams) *httpHandler {
 	app := new(application)
 	app.params = params

image.go

@@ -4,6 +4,7 @@ import (
 	"strconv"
 )
 
+// Constants which represent return values of the LoadingStatus function of an [Image] view
 const (
 	// ImageLoading is the image loading status: in the process of loading
 	ImageLoading = 0

imageView.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 )
 
+// Constants which represent [ImageView] specific properties and events
 const (
 	// LoadedEvent is the constant for the "loaded-event" property tag.
 	// The "loaded-event" event occurs event occurs when the image has been loaded.
@@ -33,7 +34,7 @@ const (
 	ScaleDownFit = 4
 )
 
-// ImageView - image View
+// ImageView represents an ImageView view
 type ImageView interface {
 	View
 	// NaturalSize returns the intrinsic, density-corrected size (width, height) of the image in pixels.

keyEvents.go

@@ -2,6 +2,7 @@ package rui
 
 import "strings"
 
+// Constants which represent [View] specific keyboard events properties
 const (
 	// KeyDown is the constant for "key-down-event" property tag.
 	// The "key-down-event" event is fired when a key is pressed.
@@ -20,9 +21,15 @@ const (
 	KeyUpEvent = "key-up-event"
 )
 
+// ControlKeyMask represent ORed state of keyboard's control keys like [AltKey], [CtrlKey], [ShiftKey] and [MetaKey]
 type ControlKeyMask int
+
+// KeyCode is a string representation the a physical key being pressed.
+// The value is not affected by the current keyboard layout or modifier state,
+// so a particular key will always have the same value.
 type KeyCode string
 
+// Constants for specific keyboard keys.
 const (
 	// AltKey is the mask of the "alt" key
 	AltKey ControlKeyMask = 1
@@ -33,114 +40,326 @@ const (
 	// MetaKey is the mask of the "meta" key
 	MetaKey ControlKeyMask = 8
 
-	KeyA              KeyCode = "KeyA"
+	// KeyA reresent "A" key on the keyboard
-	KeyB              KeyCode = "KeyB"
+	KeyA KeyCode = "KeyA"
-	KeyC              KeyCode = "KeyC"
+
-	KeyD              KeyCode = "KeyD"
+	// KeyB reresent "B" key on the keyboard
-	KeyE              KeyCode = "KeyE"
+	KeyB KeyCode = "KeyB"
-	KeyF              KeyCode = "KeyF"
+
-	KeyG              KeyCode = "KeyG"
+	// KeyC reresent "C" key on the keyboard
-	KeyH              KeyCode = "KeyH"
+	KeyC KeyCode = "KeyC"
-	KeyI              KeyCode = "KeyI"
+
-	KeyJ              KeyCode = "KeyJ"
+	// KeyD reresent "D" key on the keyboard
-	KeyK              KeyCode = "KeyK"
+	KeyD KeyCode = "KeyD"
-	KeyL              KeyCode = "KeyL"
+
-	KeyM              KeyCode = "KeyM"
+	// KeyE reresent "E" key on the keyboard
-	KeyN              KeyCode = "KeyN"
+	KeyE KeyCode = "KeyE"
-	KeyO              KeyCode = "KeyO"
+
-	KeyP              KeyCode = "KeyP"
+	// KeyF reresent "F" key on the keyboard
-	KeyQ              KeyCode = "KeyQ"
+	KeyF KeyCode = "KeyF"
-	KeyR              KeyCode = "KeyR"
+
-	KeyS              KeyCode = "KeyS"
+	// KeyG reresent "G" key on the keyboard
-	KeyT              KeyCode = "KeyT"
+	KeyG KeyCode = "KeyG"
-	KeyU              KeyCode = "KeyU"
+
-	KeyV              KeyCode = "KeyV"
+	// KeyH reresent "H" key on the keyboard
-	KeyW              KeyCode = "KeyW"
+	KeyH KeyCode = "KeyH"
-	KeyX              KeyCode = "KeyX"
+
-	KeyY              KeyCode = "KeyY"
+	// KeyI reresent "I" key on the keyboard
-	KeyZ              KeyCode = "KeyZ"
+	KeyI KeyCode = "KeyI"
-	Digit0Key         KeyCode = "Digit0"
+
-	Digit1Key         KeyCode = "Digit1"
+	// KeyJ reresent "J" key on the keyboard
-	Digit2Key         KeyCode = "Digit2"
+	KeyJ KeyCode = "KeyJ"
-	Digit3Key         KeyCode = "Digit3"
+
-	Digit4Key         KeyCode = "Digit4"
+	// KeyK reresent "K" key on the keyboard
-	Digit5Key         KeyCode = "Digit5"
+	KeyK KeyCode = "KeyK"
-	Digit6Key         KeyCode = "Digit6"
+
-	Digit7Key         KeyCode = "Digit7"
+	// KeyL reresent "L" key on the keyboard
-	Digit8Key         KeyCode = "Digit8"
+	KeyL KeyCode = "KeyL"
-	Digit9Key         KeyCode = "Digit9"
+
-	SpaceKey          KeyCode = "Space"
+	// KeyM reresent "M" key on the keyboard
-	MinusKey          KeyCode = "Minus"
+	KeyM KeyCode = "KeyM"
-	EqualKey          KeyCode = "Equal"
+
-	IntlBackslashKey  KeyCode = "IntlBackslash"
+	// KeyN reresent "N" key on the keyboard
-	BracketLeftKey    KeyCode = "BracketLeft"
+	KeyN KeyCode = "KeyN"
-	BracketRightKey   KeyCode = "BracketRight"
+
-	SemicolonKey      KeyCode = "Semicolon"
+	// KeyO reresent "O" key on the keyboard
-	CommaKey          KeyCode = "Comma"
+	KeyO KeyCode = "KeyO"
-	PeriodKey         KeyCode = "Period"
+
-	QuoteKey          KeyCode = "Quote"
+	// KeyP reresent "P" key on the keyboard
-	BackquoteKey      KeyCode = "Backquote"
+	KeyP KeyCode = "KeyP"
-	SlashKey          KeyCode = "Slash"
+
-	EscapeKey         KeyCode = "Escape"
+	// KeyQ reresent "Q" key on the keyboard
-	EnterKey          KeyCode = "Enter"
+	KeyQ KeyCode = "KeyQ"
-	TabKey            KeyCode = "Tab"
+
-	CapsLockKey       KeyCode = "CapsLock"
+	// KeyR reresent "R" key on the keyboard
-	DeleteKey         KeyCode = "Delete"
+	KeyR KeyCode = "KeyR"
-	InsertKey         KeyCode = "Insert"
+
-	HelpKey           KeyCode = "Help"
+	// KeyS reresent "S" key on the keyboard
-	BackspaceKey      KeyCode = "Backspace"
+	KeyS KeyCode = "KeyS"
-	PrintScreenKey    KeyCode = "PrintScreen"
+
-	ScrollLockKey     KeyCode = "ScrollLock"
+	// KeyT reresent "T" key on the keyboard
-	PauseKey          KeyCode = "Pause"
+	KeyT KeyCode = "KeyT"
-	ContextMenuKey    KeyCode = "ContextMenu"
+
-	ArrowLeftKey      KeyCode = "ArrowLeft"
+	// KeyU reresent "U" key on the keyboard
-	ArrowRightKey     KeyCode = "ArrowRight"
+	KeyU KeyCode = "KeyU"
-	ArrowUpKey        KeyCode = "ArrowUp"
+
-	ArrowDownKey      KeyCode = "ArrowDown"
+	// KeyV reresent "V" key on the keyboard
-	HomeKey           KeyCode = "Home"
+	KeyV KeyCode = "KeyV"
-	EndKey            KeyCode = "End"
+
-	PageUpKey         KeyCode = "PageUp"
+	// KeyW reresent "W" key on the keyboard
-	PageDownKey       KeyCode = "PageDown"
+	KeyW KeyCode = "KeyW"
-	F1Key             KeyCode = "F1"
+
-	F2Key             KeyCode = "F2"
+	// KeyX reresent "X" key on the keyboard
-	F3Key             KeyCode = "F3"
+	KeyX KeyCode = "KeyX"
-	F4Key             KeyCode = "F4"
+
-	F5Key             KeyCode = "F5"
+	// KeyY reresent "Y" key on the keyboard
-	F6Key             KeyCode = "F6"
+	KeyY KeyCode = "KeyY"
-	F7Key             KeyCode = "F7"
+
-	F8Key             KeyCode = "F8"
+	// KeyZ reresent "Z" key on the keyboard
-	F9Key             KeyCode = "F9"
+	KeyZ KeyCode = "KeyZ"
-	F10Key            KeyCode = "F10"
+
-	F11Key            KeyCode = "F11"
+	// Digit0Key reresent "Digit0" key on the keyboard
-	F12Key            KeyCode = "F12"
+	Digit0Key KeyCode = "Digit0"
-	F13Key            KeyCode = "F13"
+
-	NumLockKey        KeyCode = "NumLock"
+	// Digit1Key reresent "Digit1" key on the keyboard
-	NumpadKey0        KeyCode = "Numpad0"
+	Digit1Key KeyCode = "Digit1"
-	NumpadKey1        KeyCode = "Numpad1"
+
-	NumpadKey2        KeyCode = "Numpad2"
+	// Digit2Key reresent "Digit2" key on the keyboard
-	NumpadKey3        KeyCode = "Numpad3"
+	Digit2Key KeyCode = "Digit2"
-	NumpadKey4        KeyCode = "Numpad4"
+
-	NumpadKey5        KeyCode = "Numpad5"
+	// Digit3Key reresent "Digit3" key on the keyboard
-	NumpadKey6        KeyCode = "Numpad6"
+	Digit3Key KeyCode = "Digit3"
-	NumpadKey7        KeyCode = "Numpad7"
+
-	NumpadKey8        KeyCode = "Numpad8"
+	// Digit4Key reresent "Digit4" key on the keyboard
-	NumpadKey9        KeyCode = "Numpad9"
+	Digit4Key KeyCode = "Digit4"
-	NumpadDecimalKey  KeyCode = "NumpadDecimal"
+
-	NumpadEnterKey    KeyCode = "NumpadEnter"
+	// Digit5Key reresent "Digit5" key on the keyboard
-	NumpadAddKey      KeyCode = "NumpadAdd"
+	Digit5Key KeyCode = "Digit5"
+
+	// Digit6Key reresent "Digit6" key on the keyboard
+	Digit6Key KeyCode = "Digit6"
+
+	// Digit7Key reresent "Digit7" key on the keyboard
+	Digit7Key KeyCode = "Digit7"
+
+	// Digit8Key reresent "Digit8" key on the keyboard
+	Digit8Key KeyCode = "Digit8"
+
+	// Digit9Key reresent "Digit9" key on the keyboard
+	Digit9Key KeyCode = "Digit9"
+
+	// SpaceKey reresent "Space" key on the keyboard
+	SpaceKey KeyCode = "Space"
+
+	// MinusKey reresent "Minus" key on the keyboard
+	MinusKey KeyCode = "Minus"
+
+	// EqualKey reresent "Equal" key on the keyboard
+	EqualKey KeyCode = "Equal"
+
+	// IntlBackslashKey reresent "IntlBackslash" key on the keyboard
+	IntlBackslashKey KeyCode = "IntlBackslash"
+
+	// BracketLeftKey reresent "BracketLeft" key on the keyboard
+	BracketLeftKey KeyCode = "BracketLeft"
+
+	// BracketRightKey reresent "BracketRight" key on the keyboard
+	BracketRightKey KeyCode = "BracketRight"
+
+	// SemicolonKey reresent "Semicolon" key on the keyboard
+	SemicolonKey KeyCode = "Semicolon"
+
+	// CommaKey reresent "Comma" key on the keyboard
+	CommaKey KeyCode = "Comma"
+
+	// PeriodKey reresent "Period" key on the keyboard
+	PeriodKey KeyCode = "Period"
+
+	// QuoteKey reresent "Quote" key on the keyboard
+	QuoteKey KeyCode = "Quote"
+
+	// BackquoteKey reresent "Backquote" key on the keyboard
+	BackquoteKey KeyCode = "Backquote"
+
+	// SlashKey reresent "Slash" key on the keyboard
+	SlashKey KeyCode = "Slash"
+
+	// EscapeKey reresent "Escape" key on the keyboard
+	EscapeKey KeyCode = "Escape"
+
+	// EnterKey reresent "Enter" key on the keyboard
+	EnterKey KeyCode = "Enter"
+
+	// TabKey reresent "Tab" key on the keyboard
+	TabKey KeyCode = "Tab"
+
+	// CapsLockKey reresent "CapsLock" key on the keyboard
+	CapsLockKey KeyCode = "CapsLock"
+
+	// DeleteKey reresent "Delete" key on the keyboard
+	DeleteKey KeyCode = "Delete"
+
+	// InsertKey reresent "Insert" key on the keyboard
+	InsertKey KeyCode = "Insert"
+
+	// HelpKey reresent "Help" key on the keyboard
+	HelpKey KeyCode = "Help"
+
+	// BackspaceKey reresent "Backspace" key on the keyboard
+	BackspaceKey KeyCode = "Backspace"
+
+	// PrintScreenKey reresent "PrintScreen" key on the keyboard
+	PrintScreenKey KeyCode = "PrintScreen"
+
+	// ScrollLockKey reresent "ScrollLock" key on the keyboard
+	ScrollLockKey KeyCode = "ScrollLock"
+
+	// PauseKey reresent "Pause" key on the keyboard
+	PauseKey KeyCode = "Pause"
+
+	// ContextMenuKey reresent "ContextMenu" key on the keyboard
+	ContextMenuKey KeyCode = "ContextMenu"
+
+	// ArrowLeftKey reresent "ArrowLeft" key on the keyboard
+	ArrowLeftKey KeyCode = "ArrowLeft"
+
+	// ArrowRightKey reresent "ArrowRight" key on the keyboard
+	ArrowRightKey KeyCode = "ArrowRight"
+
+	// ArrowUpKey reresent "ArrowUp" key on the keyboard
+	ArrowUpKey KeyCode = "ArrowUp"
+
+	// ArrowDownKey reresent "ArrowDown" key on the keyboard
+	ArrowDownKey KeyCode = "ArrowDown"
+
+	// HomeKey reresent "Home" key on the keyboard
+	HomeKey KeyCode = "Home"
+
+	// EndKey reresent "End" key on the keyboard
+	EndKey KeyCode = "End"
+
+	// PageUpKey reresent "PageUp" key on the keyboard
+	PageUpKey KeyCode = "PageUp"
+
+	// PageDownKey reresent "PageDown" key on the keyboard
+	PageDownKey KeyCode = "PageDown"
+
+	// F1Key reresent "F1" key on the keyboard
+	F1Key KeyCode = "F1"
+
+	// F2Key reresent "F2" key on the keyboard
+	F2Key KeyCode = "F2"
+
+	// F3Key reresent "F3" key on the keyboard
+	F3Key KeyCode = "F3"
+
+	// F4Key reresent "F4" key on the keyboard
+	F4Key KeyCode = "F4"
+
+	// F5Key reresent "F5" key on the keyboard
+	F5Key KeyCode = "F5"
+
+	// F6Key reresent "F6" key on the keyboard
+	F6Key KeyCode = "F6"
+
+	// F7Key reresent "F7" key on the keyboard
+	F7Key KeyCode = "F7"
+
+	// F8Key reresent "F8" key on the keyboard
+	F8Key KeyCode = "F8"
+
+	// F9Key reresent "F9" key on the keyboard
+	F9Key KeyCode = "F9"
+
+	// F10Key reresent "F10" key on the keyboard
+	F10Key KeyCode = "F10"
+
+	// F11Key reresent "F11" key on the keyboard
+	F11Key KeyCode = "F11"
+
+	// F12Key reresent "F12" key on the keyboard
+	F12Key KeyCode = "F12"
+
+	// F13Key reresent "F13" key on the keyboard
+	F13Key KeyCode = "F13"
+
+	// NumLockKey reresent "NumLock" key on the keyboard
+	NumLockKey KeyCode = "NumLock"
+
+	// NumpadKey0 reresent "Numpad0" key on the keyboard
+	NumpadKey0 KeyCode = "Numpad0"
+
+	// NumpadKey1 reresent "Numpad1" key on the keyboard
+	NumpadKey1 KeyCode = "Numpad1"
+
+	// NumpadKey2 reresent "Numpad2" key on the keyboard
+	NumpadKey2 KeyCode = "Numpad2"
+
+	// NumpadKey3 reresent "Numpad3" key on the keyboard
+	NumpadKey3 KeyCode = "Numpad3"
+
+	// NumpadKey4 reresent "Numpad4" key on the keyboard
+	NumpadKey4 KeyCode = "Numpad4"
+
+	// NumpadKey5 reresent "Numpad5" key on the keyboard
+	NumpadKey5 KeyCode = "Numpad5"
+
+	// NumpadKey6 reresent "Numpad6" key on the keyboard
+	NumpadKey6 KeyCode = "Numpad6"
+
+	// NumpadKey7 reresent "Numpad7" key on the keyboard
+	NumpadKey7 KeyCode = "Numpad7"
+
+	// NumpadKey8 reresent "Numpad8" key on the keyboard
+	NumpadKey8 KeyCode = "Numpad8"
+
+	// NumpadKey9 reresent "Numpad9" key on the keyboard
+	NumpadKey9 KeyCode = "Numpad9"
+
+	// NumpadDecimalKey reresent "NumpadDecimal" key on the keyboard
+	NumpadDecimalKey KeyCode = "NumpadDecimal"
+
+	// NumpadEnterKey reresent "NumpadEnter" key on the keyboard
+	NumpadEnterKey KeyCode = "NumpadEnter"
+
+	// NumpadAddKey reresent "NumpadAdd" key on the keyboard
+	NumpadAddKey KeyCode = "NumpadAdd"
+
+	// NumpadSubtractKey reresent "NumpadSubtract" key on the keyboard
 	NumpadSubtractKey KeyCode = "NumpadSubtract"
+
+	// NumpadMultiplyKey reresent "NumpadMultiply" key on the keyboard
 	NumpadMultiplyKey KeyCode = "NumpadMultiply"
-	NumpadDivideKey   KeyCode = "NumpadDivide"
+
-	ShiftLeftKey      KeyCode = "ShiftLeft"
+	// NumpadDivideKey reresent "NumpadDivide" key on the keyboard
-	ShiftRightKey     KeyCode = "ShiftRight"
+	NumpadDivideKey KeyCode = "NumpadDivide"
-	ControlLeftKey    KeyCode = "ControlLeft"
+
-	ControlRightKey   KeyCode = "ControlRight"
+	// ShiftLeftKey reresent "ShiftLeft" key on the keyboard
-	AltLeftKey        KeyCode = "AltLeft"
+	ShiftLeftKey KeyCode = "ShiftLeft"
-	AltRightKey       KeyCode = "AltRight"
+
-	MetaLeftKey       KeyCode = "MetaLeft"
+	// ShiftRightKey reresent "ShiftRight" key on the keyboard
-	MetaRightKey      KeyCode = "MetaRight"
+	ShiftRightKey KeyCode = "ShiftRight"
+
+	// ControlLeftKey reresent "ControlLeft" key on the keyboard
+	ControlLeftKey KeyCode = "ControlLeft"
+
+	// ControlRightKey reresent "ControlRight" key on the keyboard
+	ControlRightKey KeyCode = "ControlRight"
+
+	// AltLeftKey reresent "AltLeft" key on the keyboard
+	AltLeftKey KeyCode = "AltLeft"
+
+	// AltRightKey reresent "AltRight" key on the keyboard
+	AltRightKey KeyCode = "AltRight"
+
+	// MetaLeftKey reresent "MetaLeft" key on the keyboard
+	MetaLeftKey KeyCode = "MetaLeft"
+
+	// MetaRightKey reresent "MetaRight" key on the keyboard
+	MetaRightKey KeyCode = "MetaRight"
 )
 
+// KeyEvent represent a keyboard event
 type KeyEvent struct {
 	// TimeStamp is the time at which the event was created (in milliseconds).
 	// This value is time since epoch—but in reality, browsers' definitions vary.

listLayout.go

@@ -4,6 +4,7 @@ import (
 	"strings"
 )
 
+// Constants which represent values of the "orientation" property of the [ListLayout]
 const (
 	// TopDownOrientation - subviews are arranged from top to bottom. Synonym of VerticalOrientation
 	TopDownOrientation = 0
@@ -16,7 +17,10 @@ const (
 
 	// EndToStartOrientation - subviews are arranged from right to left
 	EndToStartOrientation = 3
+)
 
+// Constants which represent values of the "list-wrap" property of the [ListLayout]
+const (
 	// ListWrapOff - subviews are scrolled and "true" if a new row/column starts
 	ListWrapOff = 0
 
@@ -27,7 +31,7 @@ const (
 	ListWrapReverse = 2
 )
 
-// ListLayout - list-container of View
+// ListLayout represents a ListLayout view
 type ListLayout interface {
 	ViewsContainer
 	// UpdateContent updates child Views if the "content" property value is set to ListAdapter,

listView.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 )
 
+// Constants which represent [ListView] specific properties and events
 const (
 	// ListItemClickedEvent is the constant for "list-item-clicked" property tag.
 	// The "list-item-clicked" event occurs when the user clicks on an item in the list.
@@ -35,12 +36,17 @@ const (
 	CurrentInactiveStyle = "current-inactive-style"
 )
 
+// Constants which represent values of the "orientation" property of the [ListView]. These are aliases for values used in
+// [ListLayout] "orientation" property like TopDownOrientation and StartToEndOrientation
 const (
 	// VerticalOrientation is the vertical ListView orientation
 	VerticalOrientation = 0
 	// HorizontalOrientation is the horizontal ListView orientation
 	HorizontalOrientation = 1
+)
 
+// Constants which represent values of a "checkbox" property of [ListView]
+const (
 	// NoneCheckbox is value of "checkbox" property: no checkbox
 	NoneCheckbox = 0
 	// SingleCheckbox is value of "checkbox" property: only one item can be checked
@@ -49,7 +55,7 @@ const (
 	MultipleCheckbox = 2
 )
 
-// ListView - the list view interface
+// ListView represents a ListView view
 type ListView interface {
 	View
 	ParentView

mediaPlayer.go

@@ -7,6 +7,7 @@ import (
 	"strings"
 )
 
+// Constants which related to media player properties and events
 const (
 	// Controls is the constant for the "autoplay" controls tag.
 	// If the "controls" bool property is "true", the browser will offer controls to allow the user
@@ -156,6 +157,7 @@ const (
 	PlayerErrorSourceNotSupported = 4
 )
 
+// MediaPlayer is a common interface for media player views like [AudioPlayer] and [VideoPlayer].
 type MediaPlayer interface {
 	View
 
@@ -200,8 +202,12 @@ type mediaPlayerData struct {
 	viewData
 }
 
+// MediaSource represent one media file source
 type MediaSource struct {
-	Url      string
+	// Url of the source
+	Url string
+
+	// MimeType of the source
 	MimeType string
 }
 

mouseEvents.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 )
 
+// Constants related to [View] mouse events properties
 const (
 	// ClickEvent is the constant for "click-event" property tag.
 	// The "click-event" event occurs when the user clicks on the View.
@@ -112,6 +113,7 @@ const (
 	MouseMask5 = 16
 )
 
+// MouseEvent represent a mouse event
 type MouseEvent struct {
 	// TimeStamp is the time at which the event was created (in milliseconds).
 	// This value is time since epoch—but in reality, browsers' definitions vary.

numberPicker.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 )
 
+// Constants related to [NumberPicker] specific properties and events
 const (
 	// NumberChangedEvent is the constant for the "" property tag.
 	// The "number-changed" property sets listener(s) that track the change in the entered value.
@@ -34,6 +35,7 @@ const (
 	NumberPickerValue = "number-picker-value"
 )
 
+// Constants which describe values of the "number-picker-type" property of a [NumberPicker]
 const (
 	// NumberEditor - type of NumberPicker. NumberPicker is presented by editor
 	NumberEditor = 0
@@ -42,7 +44,7 @@ const (
 	NumberSlider = 1
 )
 
-// NumberPicker - NumberPicker view
+// NumberPicker represents a NumberPicker view
 type NumberPicker interface {
 	View
 }

outline.go

@@ -5,10 +5,13 @@ import (
 	"strings"
 )
 
+// OutlineProperty defines a view's outside border
 type OutlineProperty interface {
 	Properties
 	stringWriter
 	fmt.Stringer
+
+	// ViewOutline returns style color and line width of an outline
 	ViewOutline(session Session) ViewOutline
 }
 
@@ -98,8 +101,13 @@ func (outline *outlinePropertyData) ViewOutline(session Session) ViewOutline {
 
 // ViewOutline describes parameters of a view border
 type ViewOutline struct {
+	// Style of the outline line
 	Style int
+
+	// Color of the outline line
 	Color Color
+
+	// Width of the outline line
 	Width SizeUnit
 }
 

params.go

@@ -5,6 +5,8 @@ import "sort"
 // Params defines a type of a parameters list
 type Params map[string]any
 
+// Get returns a value of the property with name defined by the argument. The type of return value depends
+// on the property. If the property is not set then nil is returned.
 func (params Params) Get(tag string) any {
 	return params.getRaw(tag)
 }
@@ -16,6 +18,8 @@ func (params Params) getRaw(tag string) any {
 	return nil
 }
 
+// Set sets the value (second argument) of the property with name defined by the first argument.
+// Return "true" if the value has been set, in the opposite case "false" is returned and a description of an error is written to the log
 func (params Params) Set(tag string, value any) bool {
 	params.setRaw(tag, value)
 	return true
@@ -29,16 +33,19 @@ func (params Params) setRaw(tag string, value any) {
 	}
 }
 
+// Remove removes the property with name defined by the argument from a map.
 func (params Params) Remove(tag string) {
 	delete(params, tag)
 }
 
+// Clear removes all properties from a map.
 func (params Params) Clear() {
 	for tag := range params {
 		delete(params, tag)
 	}
 }
 
+// AllTags returns a sorted slice of all properties.
 func (params Params) AllTags() []string {
 	tags := make([]string, 0, len(params))
 	for t := range params {

pointerEvents.go

@@ -4,6 +4,7 @@ import (
 	"strings"
 )
 
+// Constants for [View] specific pointer events properties
 const (
 	// PointerDown is the constant for "pointer-down" property tag.
 	// The "pointer-down" event is fired when a pointer becomes active. For mouse, it is fired when
@@ -49,6 +50,7 @@ const (
 	PointerOver = "pointer-over"
 )
 
+// PointerEvent represent a stylus events. Also inherit [MouseEvent] attributes
 type PointerEvent struct {
 	MouseEvent
 

popup.go

@@ -4,6 +4,7 @@ import (
 	"strings"
 )
 
+// Constants for [Popup] specific properties and events
 const (
 	// Title is the constant for the "title" property tag.
 	// The "title" property is defined the Popup/Tabs title
@@ -78,7 +79,10 @@ const (
 	// LeftArrow is value of the popup "arrow" property:
 	// Arrow on the left side of the pop-up window
 	LeftArrow = 4
+)
 
+// Constants which are used as a values of [PopupButtonType] variables
+const (
 	// NormalButton is the constant of the popup button type: the normal button
 	NormalButton PopupButtonType = 0
 	// DefaultButton is the constant of the popup button type: button that fires when the "Enter" key is pressed
@@ -87,21 +91,35 @@ const (
 	CancelButton PopupButtonType = 2
 )
 
+// PopupButtonType represent popup button type
 type PopupButtonType int
 
 // PopupButton describes a button that will be placed at the bottom of the window.
 type PopupButton struct {
-	Title   string
+	// Title of the button
-	Type    PopupButtonType
+	Title string
+
+	// Type of the button
+	Type PopupButtonType
+
+	// OnClick is the handler function that gets called when the button is pressed
 	OnClick func(Popup)
 }
 
-// Popup interface
+// Popup represents a Popup view
 type Popup interface {
+	// View returns a content view of the popup
 	View() View
+
+	// Session returns current client session
 	Session() Session
+
+	// Show displays a popup
 	Show()
+
+	// Dismiss closes a popup
 	Dismiss()
+
 	onDismiss()
 	html(buffer *strings.Builder)
 	viewByHTMLID(id string) View

progressBar.go

@@ -5,12 +5,18 @@ import (
 	"strings"
 )
 
+// Constants for [ProgressBar] specific properties and events
 const (
-	ProgressBarMax   = "progress-max"
+	// ProgressBarMax is the constant for "progress-max" property tag.
+	// The "progress-max" define maximum value of the ProgressBar, default is 1.
+	ProgressBarMax = "progress-max"
+
+	// ProgressBarValue is the constant for "progress-value" property tag.
+	// The "progress-value" define current value of the ProgressBar, default is 0.
 	ProgressBarValue = "progress-value"
 )
 
-// ProgressBar - ProgressBar view
+// ProgressBar represents a ProgressBar view
 type ProgressBar interface {
 	View
 }

propertyNames.go

@@ -1,5 +1,6 @@
 package rui
 
+// Constants for various properties and events of Views'.
 const (
 	// ID is the constant for the "id" property tag.
 	// The "id" property is an optional textual identifier for the View.
@@ -717,5 +718,8 @@ const (
 	// * A positive value means View should be focusable in sequential keyboard navigation, with its order defined by the value of the number.
 	TabIndex = "tabindex"
 
+	// Tooltip is the constant for "tooltip" property tag.
+	// The "tooltip" string property specifies the tooltip text. Tooltip pops up when hovering the mouse cursor over the view.
+	// HTML tags are supported when formatting tooltip text.
 	Tooltip = "tooltip"
 )

propertyValues.go

@@ -1,5 +1,6 @@
 package rui
 
+// Constants for various specific properties of a views
 const (
 	// Visible - default value of the view Visibility property: View is visible
 	Visible = 0

radius.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 )
 
+// Constants for [RadiusProperty] specific properties
 const (
 	// Radius is the SizeUnit view property that determines the corners rounding radius
 	// of an element's outer border edge.
@@ -95,10 +96,13 @@ const (
 	BottomRightY = "bottom-right-y"
 )
 
+// RadiusProperty is a description of the [View] (shape) elliptical corner radius.
 type RadiusProperty interface {
 	Properties
 	stringWriter
 	fmt.Stringer
+
+	// BoxRadius returns x and y radius of the corners of the element
 	BoxRadius(session Session) BoxRadius
 }
 

resizable.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 )
 
+// Constants for [Resizable] specific properties and events
 const (
 	// Side is the constant for the "side" property tag.
 	// The "side" int property determines which side of the container is used to resize.
@@ -15,7 +16,10 @@ const (
 	// ResizeBorderWidth is the constant for the "resize-border-width" property tag.
 	// The "ResizeBorderWidth" SizeUnit property determines the width of the resizing border
 	ResizeBorderWidth = "resize-border-width"
+)
 
+// Constants for values of [Resizable] "side" property. These constants can be ORed if needed.
+const (
 	// TopSide is value of the "side" property: the top side is used to resize
 	TopSide = 1
 
@@ -32,7 +36,7 @@ const (
 	AllSides = TopSide | RightSide | BottomSide | LeftSide
 )
 
-// Resizable - grid-container of View
+// Resizable represents a Resizable view
 type Resizable interface {
 	View
 	ParentView

resources.go

@@ -45,6 +45,7 @@ var resources = resourceManager{
 	imageSrcSets: map[string][]scaledImage{},
 }
 
+// AddEmbedResources adds embedded resources to the list of application resources
 func AddEmbedResources(fs *embed.FS) {
 	resources.embedFS = append(resources.embedFS, fs)
 	rootDirs := resources.embedRootDirs(fs)
@@ -457,6 +458,7 @@ func AllImageResources() []string {
 	return result
 }
 
+// AddTheme adds theme to application
 func AddTheme(theme Theme) {
 	if theme != nil {
 		name := theme.Name()

session.go

@@ -36,6 +36,8 @@ type bridge interface {
 
 // SessionContent is the interface of a session content
 type SessionContent interface {
+
+	// CreateRootView will be called by the library to create a root view of the application
 	CreateRootView(session Session) View
 }
 

sessionEvents.go

@@ -4,31 +4,42 @@ import "time"
 
 // SessionStartListener is the listener interface of a session start event
 type SessionStartListener interface {
+	// OnStart is a function that is called by the library after the creation of the root view of the application
 	OnStart(session Session)
 }
 
 // SessionFinishListener is the listener interface of a session start event
 type SessionFinishListener interface {
+	// OnFinish is a function that is called by the library when the user closes the application page in the browser
 	OnFinish(session Session)
 }
 
 // SessionResumeListener is the listener interface of a session resume event
 type SessionResumeListener interface {
+	// OnResume is a function that is called by the library when the application page in the client's browser becomes
+	// active and is also called immediately after OnStart
 	OnResume(session Session)
 }
 
 // SessionPauseListener is the listener interface of a session pause event
 type SessionPauseListener interface {
+	// OnPause is a function that is called by the library when the application page in the client's browser becomes
+	// inactive and is also called when the user switches to a different browser tab/window, minimizes the browser,
+	// or switches to another application
 	OnPause(session Session)
 }
 
 // SessionPauseListener is the listener interface of a session disconnect event
 type SessionDisconnectListener interface {
+	// OnDisconnect is a function that is called by the library if the server loses connection with the client and
+	// this happens when the connection is broken
 	OnDisconnect(session Session)
 }
 
 // SessionPauseListener is the listener interface of a session reconnect event
 type SessionReconnectListener interface {
+	// OnReconnect is a function that is called by the library after the server reconnects with the client
+	// and this happens when the connection is restored
 	OnReconnect(session Session)
 }
 

shadow.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 )
 
+// Constants for [ViewShadow] specific properties
 const (
 	// ColorTag is the name of the color property of the shadow.
 	ColorTag = "color"

sizeUnit.go

@@ -13,6 +13,7 @@ import (
 // SizeInDIP, SizeInPt, SizeInInch, SizeInMM, SizeInFraction
 type SizeUnitType uint8
 
+// Constants which represent values of a [SizeUnitType]
 const (
 	// Auto is the SizeUnit type: default value.
 	Auto SizeUnitType = 0
@@ -44,8 +45,14 @@ const (
 
 // SizeUnit describe a size (Value field) and size unit (Type field).
 type SizeUnit struct {
-	Type     SizeUnitType
+	// Type or dimension of the value
-	Value    float64
+	Type SizeUnitType
+
+	// Value of the size in Type units
+	Value float64
+
+	// Function representation of a size unit.
+	// When setting this value type should be set to SizeFunction
 	Function SizeFunc
 }
 

stackLayout.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 )
 
+// Constants which represent [StackLayout] animation type during pushing or popping views
 const (
 	// DefaultAnimation - default animation of StackLayout push
 	DefaultAnimation = 0
@@ -19,7 +20,7 @@ const (
 	BottomUpAnimation = 4
 )
 
-// StackLayout - list-container of View
+// StackLayout represents a StackLayout view
 type StackLayout interface {
 	ViewsContainer
 

svgImageView.go

@@ -7,7 +7,7 @@ import (
 	"strings"
 )
 
-// SvgImageView - image View
+// SvgImageView represents an SvgImageView view
 type SvgImageView interface {
 	View
 }

tableAdapter.go

@@ -1,6 +1,6 @@
 package rui
 
-// TableAdapter describes the TableView content
+// TableAdapter describes the [TableView] content
 type TableAdapter interface {
 	// RowCount returns number of rows in the table
 	RowCount() int
@@ -21,44 +21,49 @@ type TableAdapter interface {
 	Cell(row, column int) any
 }
 
-// TableColumnStyle describes the style of TableView columns.
+// TableColumnStyle describes the style of [TableView] columns.
-// To set column styles, you must either implement the TableColumnStyle interface in the table adapter
+// To set column styles, you must either implement the [TableColumnStyle] interface in the table adapter
 // or assign its separate implementation to the "column-style" property.
 type TableColumnStyle interface {
+	// ColumnStyle returns a map of properties which describe the style of the column
 	ColumnStyle(column int) Params
 }
 
-// TableRowStyle describes the style of TableView rows.
+// TableRowStyle describes the style of [TableView] rows.
-// To set row styles, you must either implement the TableRowStyle interface in the table adapter
+// To set row styles, you must either implement the [TableRowStyle] interface in the table adapter
 // or assign its separate implementation to the "row-style" property.
 type TableRowStyle interface {
+	// RowStyle returns a map of properties which describe the style of the row
 	RowStyle(row int) Params
 }
 
-// TableCellStyle describes the style of TableView cells.
+// TableCellStyle describes the style of [TableView] cells.
-// To set row cells, you must either implement the TableCellStyle interface in the table adapter
+// To set row cells, you must either implement the [TableCellStyle] interface in the table adapter
 // or assign its separate implementation to the "cell-style" property.
 type TableCellStyle interface {
+	// CellStyle returns a map of properties which describe the style of the cell
 	CellStyle(row, column int) Params
 }
 
-// TableAllowCellSelection determines whether TableView cell selection is allowed.
+// TableAllowCellSelection determines whether [TableView] cell selection is allowed.
 // It is only used if the "selection-mode" property is set to CellSelection (1).
 // To set cell selection allowing, you must either implement the TableAllowCellSelection interface
 // in the table adapter or assign its separate implementation to the "allow-selection" property.
 type TableAllowCellSelection interface {
+	// AllowCellSelection returns "true" if we allow the user to select particular cell at specific rows and columns
 	AllowCellSelection(row, column int) bool
 }
 
-// TableAllowRowSelection determines whether TableView row selection is allowed.
+// TableAllowRowSelection determines whether [TableView] row selection is allowed.
 // It is only used if the "selection-mode" property is set to RowSelection (2).
 // To set row selection allowing, you must either implement the TableAllowRowSelection interface
 // in the table adapter or assign its separate implementation to the "allow-selection" property.
 type TableAllowRowSelection interface {
+	// AllowRowSelection returns "true" if we allow the user to select particular row in the table
 	AllowRowSelection(row int) bool
 }
 
-// SimpleTableAdapter is implementation of TableAdapter where the content
+// SimpleTableAdapter is implementation of [TableAdapter] where the content
 // defines as [][]any.
 // When you assign [][]any value to the "content" property, it is converted to SimpleTableAdapter
 type SimpleTableAdapter interface {
@@ -71,7 +76,7 @@ type simpleTableAdapter struct {
 	columnCount int
 }
 
-// TextTableAdapter is implementation of TableAdapter where the content
+// TextTableAdapter is implementation of [TableAdapter] where the content
 // defines as [][]string.
 // When you assign [][]string value to the "content" property, it is converted to TextTableAdapter
 type TextTableAdapter interface {

tableView.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 )
 
+// Constants for [TableView] specific properties and events
 const (
 	// TableVerticalAlign is the constant for the "table-vertical-align" property tag.
 	// The "table-vertical-align" int property sets the vertical alignment of the content inside a table cell.
@@ -201,26 +202,35 @@ const (
 	// This property can be assigned or by an implementation of TableAllowCellSelection
 	// or TableAllowRowSelection interface.
 	AllowSelection = "allow-selection"
+)
 
-	// NoneSelection is the value of "selection-mode" property: the selection is forbidden.
+// Constants which represent values of "selection-mode" property of a [TableView]
+const (
+	// NoneSelection the selection is forbidden.
 	NoneSelection = 0
-	// CellSelection is the value of "selection-mode" property: the selection of a single cell only is enabled.
+	// CellSelection the selection of a single cell only is enabled.
 	CellSelection = 1
-	// RowSelection is the value of "selection-mode" property: the selection of a table row only is enabled.
+	// RowSelection the selection of a table row only is enabled.
 	RowSelection = 2
 )
 
-// CellIndex defines coordinates of the TableView cell
+// CellIndex defines coordinates of the [TableView] cell
 type CellIndex struct {
 	Row, Column int
 }
 
-// TableView - text View
+// TableView represents a TableView view
 type TableView interface {
 	View
 	ParentView
+
+	// ReloadTableData forces the table view to reload all data and redraw the entire table
 	ReloadTableData()
+
+	// ReloadCell forces the table view to reload the data for a specific cell and redraw it
 	ReloadCell(row, column int)
+
+	// CellFrame returns the frame of a specific cell, describing its position and size within the table view
 	CellFrame(row, column int) Frame
 
 	content() TableAdapter

tabsLayout.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 )
 
+// Constants for [TabsLayout] specific properties and events
 const (
 	// CurrentTabChangedEvent is the constant for "current-tab-changed" property tag.
 	// The "current-tab-changed" event occurs when the new tab becomes active.
@@ -46,6 +47,12 @@ const (
 	// The default value is "ruiCurrentTab" or "ruiCurrentVerticalTab".
 	CurrentTabStyle = "current-tab-style"
 
+	inactiveTabStyle = "data-inactiveTabStyle"
+	activeTabStyle   = "data-activeTabStyle"
+)
+
+// Constants that are the values of the "tabs" property of a [TabsLayout]
+const (
 	// TopTabs - tabs of TabsLayout are on the top
 	TopTabs = 0
 	// BottomTabs - tabs of TabsLayout are on the bottom
@@ -60,12 +67,9 @@ const (
 	RightListTabs = 5
 	// HiddenTabs - tabs of TabsLayout are hidden
 	HiddenTabs = 6
-
-	inactiveTabStyle = "data-inactiveTabStyle"
-	activeTabStyle   = "data-activeTabStyle"
 )
 
-// TabsLayout - multi-tab container of View
+// TabsLayout represents a TabsLayout view
 type TabsLayout interface {
 	ViewsContainer
 	ListAdapter

textView.go

@@ -5,7 +5,7 @@ import (
 	"strings"
 )
 
-// TextView - text View
+// TextView represents a TextView view
 type TextView interface {
 	View
 }

theme.go

@@ -7,18 +7,34 @@ import (
 	"strings"
 )
 
+// Constants used as a values for [MediaStyleParams] member Orientation
 const (
-	DefaultMedia   = 0
+	// DefaultMedia means that style appliance will not be related to client's window orientation
-	PortraitMedia  = 1
+	DefaultMedia = 0
+
+	// PortraitMedia means that style apply on clients with portrait window orientation
+	PortraitMedia = 1
+
+	// PortraitMedia means that style apply on clients with landscape window orientation
 	LandscapeMedia = 2
 )
 
+// MediaStyleParams define rules when particular style will be applied
 type MediaStyleParams struct {
+	// Orientation for which particular style will be applied
 	Orientation int
-	MinWidth    int
+
-	MaxWidth    int
+	// MinWidth for which particular style will be applied
-	MinHeight   int
+	MinWidth int
-	MaxHeight   int
+
+	// MaxWidth for which particular style will be applied
+	MaxWidth int
+
+	// MinHeight for which particular style will be applied
+	MinHeight int
+
+	// MaxHeight for which particular style will be applied
+	MaxHeight int
 }
 
 type mediaStyle struct {
@@ -38,31 +54,65 @@ type theme struct {
 	mediaStyles    []mediaStyle
 }
 
+// Theme interface to describe application's theme
 type Theme interface {
 	fmt.Stringer
+
+	// Name returns a name of the theme
 	Name() string
+
+	// Constant returns normal and touch theme constant value with specific tag
 	Constant(tag string) (string, string)
+
+	// SetConstant sets a value for a constant
 	SetConstant(tag string, value, touchUIValue string)
+
 	// ConstantTags returns the list of all available constants
 	ConstantTags() []string
+
+	// Color returns normal and dark theme color constant value with specific tag
 	Color(tag string) (string, string)
+
+	// SetColor sets normal and dark theme color constant value with specific tag
 	SetColor(tag, color, darkUIColor string)
+
 	// ColorTags returns the list of all available color constants
 	ColorTags() []string
+
+	// Image returns normal and dark theme image constant value with specific tag
 	Image(tag string) (string, string)
+
+	// SetImage sets normal and dark theme image constant value with specific tag
 	SetImage(tag, image, darkUIImage string)
+
 	// ImageConstantTags returns the list of all available image constants
 	ImageConstantTags() []string
+
+	// Style returns view style by its tag
 	Style(tag string) ViewStyle
+
+	// SetStyle sets style for a tag
 	SetStyle(tag string, style ViewStyle)
+
+	// RemoveStyle removes style with provided tag
 	RemoveStyle(tag string)
+
+	// MediaStyle returns media style which correspond to provided media style parameters
 	MediaStyle(tag string, params MediaStyleParams) ViewStyle
+
+	// SetMediaStyle sets media style with provided media style parameters and a tag
 	SetMediaStyle(tag string, params MediaStyleParams, style ViewStyle)
+
+	// StyleTags returns all tags which describe a style
 	StyleTags() []string
+
+	// MediaStyles returns all media style settings which correspond to a style tag
 	MediaStyles(tag string) []struct {
 		Selectors string
 		Params    MediaStyleParams
 	}
+
+	// Append theme to a list of themes
 	Append(anotherTheme Theme)
 
 	constant(tag string, touchUI bool) string
@@ -196,6 +246,7 @@ func parseMediaRule(text string) (mediaStyle, bool) {
 
 var defaultTheme = NewTheme("")
 
+// NewTheme creates a new theme with specific name and return its interface.
 func NewTheme(name string) Theme {
 	result := new(theme)
 	result.init()
@@ -203,6 +254,7 @@ func NewTheme(name string) Theme {
 	return result
 }
 
+// CreateThemeFromText creates a new theme from text and return its interface on success.
 func CreateThemeFromText(text string) (Theme, bool) {
 	result := new(theme)
 	result.init()

timePicker.go

@@ -6,16 +6,33 @@ import (
 	"time"
 )
 
+// Constants for [TimePicker] specific properties and events.
 const (
+	// TimeChangedEvent is the constant for "time-changed" property tag.
+	// The "time-changed" event occur when current time of the [TimePicker] has been changed.
+	// The main listener format: func(picker TimePicker, newTime, oldTime time.Time).
 	TimeChangedEvent = "time-changed"
-	TimePickerMin    = "time-picker-min"
+
-	TimePickerMax    = "time-picker-max"
+	// TimePickerMin is the constant for "time-picker-min" property tag.
-	TimePickerStep   = "time-picker-step"
+	// The "time-picker-min" define the minimum value of the time.
-	TimePickerValue  = "time-picker-value"
+	TimePickerMin = "time-picker-min"
-	timeFormat       = "15:04:05"
+
+	// TimePickerMax is the constant for "time-picker-max" property tag.
+	// The "time-picker-max" define the maximum value of the time.
+	TimePickerMax = "time-picker-max"
+
+	// TimePickerStep is the constant for "time-picker-step" property tag.
+	// The "time-picker-step" define time step in seconds.
+	TimePickerStep = "time-picker-step"
+
+	// TimePickerValue is the constant for "time-picker-value" property tag.
+	// The "time-picker-value" define current value of the TimePicker.
+	TimePickerValue = "time-picker-value"
+
+	timeFormat = "15:04:05"
 )
 
-// TimePicker - TimePicker view
+// TimePicker represents a TimePicker view
 type TimePicker interface {
 	View
 }

touchEvents.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 )
 
+// Constants which represent [View] specific touch events properties
 const (
 	// TouchStart is the constant for "touch-start" property tag.
 	// The "touch-start" event is fired when one or more touch points are placed on the touch surface.

utils.go

@@ -36,6 +36,7 @@ func freeStringBuilder(builder *strings.Builder) {
 	}
 }
 
+// GetLocalIP return IP address of the machine interface
 func GetLocalIP() string {
 	addrs, err := net.InterfaceAddrs()
 	if err != nil {

videoPlayer.go

@@ -4,6 +4,7 @@ import (
 	"strings"
 )
 
+// Constants for [VideoPlayer] specific properties and events
 const (
 	// VideoWidth is the constant for the "video-width" property tag of VideoPlayer.
 	// The "video-width" float property defines the width of the video's display area in pixels.
@@ -20,6 +21,7 @@ const (
 	Poster = "poster"
 )
 
+// VideoPlayer is a type of a [View] which can play video files
 type VideoPlayer interface {
 	MediaPlayer
 }

view.go

@@ -28,7 +28,7 @@ func (frame Frame) Bottom() float64 {
 	return frame.Top + frame.Height
 }
 
-// View - base view interface
+// View represents a base view interface
 type View interface {
 	ViewStyle
 	fmt.Stringer

viewFilter.go

@@ -5,6 +5,7 @@ import (
 	"strings"
 )
 
+// Constants for [ViewFilter] specific properties and events
 const (
 	// Blur is the constant for the "blur" property tag of the ViewFilter interface.
 	// The "blur" float64 property applies a Gaussian blur. The value of radius defines the value

viewTransform.go

@@ -6,6 +6,7 @@ import (
 	"strings"
 )
 
+// Constants for [Transform] specific properties
 const (
 	// Perspective is the name of the SizeUnit property that determines the distance between the z = 0 plane
 	// and the user in order to give a 3D-positioned element some perspective. Each 3D element
@@ -115,6 +116,7 @@ type transformData struct {
 	propertyList
 }
 
+// NewTransform creates a new transform property data and return its interface
 func NewTransform(params Params) Transform {
 	transform := new(transformData)
 	transform.properties = map[string]any{}

viewUtils.go

@@ -694,6 +694,8 @@ func GetAvoidBreak(view View, subviewID ...string) bool {
 	return boolStyledProperty(view, subviewID, AvoidBreak, true)
 }
 
+// GetNotTranslate returns value of "not-translate" property of the subview. If the second argument (subviewID) is not
+// specified or is an empty string then a value from the first argument (view) is returned.
 func GetNotTranslate(view View, subviewID ...string) bool {
 	return boolStyledProperty(view, subviewID, NotTranslate, true)
 }

viewsContainer.go

@@ -2,12 +2,13 @@ package rui
 
 import "strings"
 
+// ParentView describe a view which can have a child views
 type ParentView interface {
 	// Views return a list of child views
 	Views() []View
 }
 
-// ViewsContainer - mutable list-container of Views
+// ViewsContainer represent a mutable list-container of views
 type ViewsContainer interface {
 	View
 	ParentView