Implemented rendering also for the inline keyboards.

src/behx/beh.go

@@ -8,8 +8,18 @@ package behx
 type Behaviour struct {
 	Start Action
 	Screens ScreenMap
+	Keyboards KeyboardMap
 }
 
+func NewBehaviour(
+	start Action,
+	screens ScreenMap,
+	keyboards KeyboardMap,
+) *Behaviour {
+	return &Behaviour{
+		start, screens, keyboards,
+	}
+}
 
 // Check whether the screen exists in the behaviour.
 func (beh *Behaviour) ScreenExists(id ScreenId) bool {

src/behx/bot.go

@@ -2,6 +2,7 @@ package behx
 
 import (
     apix "github.com/go-telegram-bot-api/telegram-bot-api/v5"
+    "log"
 )
 
 // The wrapper around Telegram API.
@@ -66,7 +67,10 @@ func (bot *Bot) Run() error {
 		}
 		
 		screen := bot.Screens[session.CurrentScreenId]
-		screen.Render(ctx)
+		err := screen.Render(ctx)
+		if err != nil {
+			log.Println("screen rendering:", err)
+		}
 	}
 	
 	return nil

src/behx/button.go

@@ -6,7 +6,9 @@ import (
 
 // The type wraps Telegram API's button to provide Action functionality.
 type Button struct {
-	apix.KeyboardButton
+	Text string
+	Data string
+	Url string
 	Action Action
 }
 
@@ -18,11 +20,45 @@ type ButtonRow []*Button
 // Returns new button with specified text and action.
 func NewButton(text string, action Action) *Button {
 	return &Button{
-		KeyboardButton: apix.NewKeyboardButton(text),
+		Text: text,
 		Action: action,
 	}
 }
 
+func NewButtonData(text string, data string, action Action) *Button {
+	return &Button{
+		Text: text,
+		Data: data,
+		Action: action,
+	}
+}
+
+func NewButtonUrl(text string, url string, action Action) *Button {
+	return &Button{
+		Text: text,
+		Url: url,
+		Action: action,
+	}
+}
+
+func (btn *Button) ToTelegram() apix.KeyboardButton {
+	return apix.NewKeyboardButton(btn.Text)
+}
+
+func (btn *Button) ToTelegramInline() apix.InlineKeyboardButton {
+	if btn.Data != "" {
+		return apix.NewInlineKeyboardButtonData(btn.Text, btn.Data)
+	}
+	
+	if btn.Url != "" {
+		return apix.NewInlineKeyboardButtonURL(btn.Text, btn.Url)
+	}
+	
+	// If no match then return the data one with data the same as the text.
+	return apix.NewInlineKeyboardButtonData(btn.Text, btn.Text)
+}
+
+
 func NewButtonRow(btns ...*Button) ButtonRow {
 	return btns
 }

src/behx/context.go

@@ -28,7 +28,6 @@ func (c *Context) ChangeScreen(screenId ScreenId) error {
 
 // Sends to the user specified text.
 func (c *Context) Send(text string) error {
-	
 	return nil
 }
 

src/behx/errors.go

@@ -7,5 +7,7 @@ import (
 var (
 	ScreenNotExistErr = errors.New("screen does not exist")
 	SessionNotExistErr = errors.New("session does not exist")
+	KeyboardNotExistErr = errors.New("keyboard does not exist")
 )
 
+

src/behx/keyboard.go

@@ -17,12 +17,16 @@ var otherKeyboard = tgbotapi.NewReplyKeyboard(
     ),
 )*/
 
+type KeyboardId string
+
 // The type represents reply keyboard which
 // is supposed to be showed on a Screen.
 type Keyboard struct {
 	Rows []ButtonRow
 }
 
+type KeyboardMap map[KeyboardId] *Keyboard
+
 // Return the new reply keyboard with rows as specified.
 func NewKeyboard(rows ...ButtonRow) *Keyboard {
 	return &Keyboard{
@@ -36,7 +40,7 @@ func (kbd *Keyboard) ToTelegram() apix.ReplyKeyboardMarkup {
 	for _, row := range kbd.Rows {
 		buttons := []apix.KeyboardButton{}
 		for _, button := range row {
-			buttons = append(buttons, apix.NewKeyboardButton(button.Text))
+			buttons = append(buttons, button.ToTelegram())
 		}
 		rows = append(rows, buttons)
 	} 
@@ -44,6 +48,19 @@ func (kbd *Keyboard) ToTelegram() apix.ReplyKeyboardMarkup {
 	return apix.NewReplyKeyboard(rows...)
 }
 
+func (kbd *Keyboard) ToTelegramInline() apix.InlineKeyboardMarkup {
+	rows := [][]apix.InlineKeyboardButton{}
+	for _, row := range kbd.Rows {
+		buttons := []apix.InlineKeyboardButton{}
+		for _, button := range row {
+			buttons = append(buttons, button.ToTelegramInline())
+		}
+		rows = append(rows, buttons)
+	} 
+	
+	return apix.NewInlineKeyboardMarkup(rows...)
+}
+
 // Returns the map of buttons. Used to define the Action.
 func (kbd *Keyboard) buttonMap() ButtonMap {
 	ret := make(ButtonMap)

src/behx/screen.go

@@ -16,20 +16,23 @@ type ScreenText string
 type Screen struct {
 	// Text to be sent to the user when changing to the screen.
 	Text ScreenText
-	// Keyboard to be displayed on the screen.
+	
-	Keyboard *Keyboard
 	// The keyboard to be sent in the message part.
-	InlineKeyboard *Keyboard
+	InlineKeyboardId KeyboardId
+	
+	// Keyboard to be displayed on the screen.
+	KeyboardId KeyboardId
 }
 
 // Map structure for the screens.
 type ScreenMap map[ScreenId] *Screen
 
 // Returns the new screen with specified Text and Keyboard.
-func NewScreen(text ScreenText, kbd *Keyboard) *Screen {
+func NewScreen(text ScreenText, ikbd KeyboardId, kbd KeyboardId) *Screen {
 	return &Screen {
 		Text: text,
-		Keyboard: kbd,
+		InlineKeyboardId: ikbd,
+		KeyboardId: kbd,
 	}
 }
 
@@ -39,25 +42,40 @@ func (st ScreenText) String() string {
 }
 
 // Renders output of the screen to the side of the user.
-func (s *Screen) Render(c *Context) {
+func (s *Screen) Render(c *Context) error {
 	id := c.S.Id.ToTelegram()
+	
 	msg := apix.NewMessage(id, s.Text.String())
 	
-	// First sending the inline keyboard.
+	if s.InlineKeyboardId != "" {
-	if s.InlineKeyboard != nil {
+		kbd, ok := c.B.Keyboards[s.InlineKeyboardId]
-		msg.ReplyMarkup = s.InlineKeyboard.ToTelegram()
+		if !ok {
-		if _, err := c.B.Send(msg) ; err != nil {
+			return KeyboardNotExistErr
-			panic(err)
 		}
+		msg.ReplyMarkup = kbd.ToTelegramInline()
 	}
 	
-	// Then sending the screen one.
+	_, err := c.B.Send(msg)
-	if s.Keyboard != nil {
+	if err != nil {
-		msg = apix.NewMessage(id, "check")
+		return err
-		msg.ReplyMarkup = s.Keyboard.ToTelegram()
-		if _, err := c.B.Send(msg) ; err != nil {
-			panic(err)
-		}
 	}
+	
+	if s.KeyboardId != "" {
+		msg = apix.NewMessage(id, ">")
+		
+		kbd, ok := c.B.Keyboards[s.KeyboardId]
+		if !ok {
+			return KeyboardNotExistErr
+		}
+		
+		msg.ReplyMarkup = kbd.ToTelegram()
+		if _, err := c.B.Send(msg) ; err != nil {
+			return err
+		}
+		
+	}
+	
+	
+	return nil
 }
 

src/behx/session.go

@@ -10,6 +10,7 @@ type Session struct {
 	Id SessionId
 	CurrentScreenId ScreenId
 	PreviousScreenId ScreenId
+	KeyboardId KeyboardId
 }
 
 // The type represents map of sessions using

src/cmd/test/main.go

@@ -8,34 +8,61 @@ import (
     "boteval/src/behx"
 )
 
-var startScreen = behx.NewScreen(
+var rootKbd = behx.NewKeyboard(
-	"Hello, World!",
+	behx.NewButtonRow(
-	behx.NewKeyboard(
+		behx.NewButton(
-		behx.NewButtonRow(
+			"PRESS ME",
-			behx.NewButton(
+			behx.NewCustomAction(func(c *behx.Context){
-				"PRESS ME",
+				log.Println("pressed the button!")
-				behx.NewCustomAction(func(c *behx.Context){
+			}),
-					log.Println("pressed the button!")
-				}),
-			),
-			behx.NewButton("PRESS ME 2", behx.NewCustomAction(func(c *behx.Context){
-				log.Println("pressed another button!")
-			})),
-		),
-		behx.NewButtonRow(
-			behx.NewButton("PRESS ME 3", behx.NewCustomAction(func(c *behx.Context){
-				log.Println("pressed third button!")
-			})),
 		),
+		behx.NewButton("PRESS ME 2", behx.NewCustomAction(func(c *behx.Context){
+			log.Println("pressed another button!")
+		})),
+	),
+	behx.NewButtonRow(
+		behx.NewButton("PRESS ME 3", behx.NewCustomAction(func(c *behx.Context){
+			log.Println("pressed third button!")
+		})),
 	),
 )
 
-var behaviour = &behx.Behaviour{
+var inlineKbd = behx.NewKeyboard(
-	Start: behx.NewScreenChange("start"),
+	behx.NewButtonRow(
-	Screens: behx.ScreenMap{
+		behx.NewButton(
+			"INLINE PRESS ME",
+			behx.NewCustomAction(func(c *behx.Context){
+				log.Println("INLINE pressed the button!")
+			}),
+		),
+		behx.NewButton("INLINE PRESS ME 2", behx.NewCustomAction(func(c *behx.Context){
+			log.Println("INLINE pressed another button!")
+		})),
+	),
+	behx.NewButtonRow(
+		behx.NewButton("INLINE PRESS ME 3", behx.NewCustomAction(func(c *behx.Context){
+			log.Println("INLINE pressed third button!")
+		})),
+	),
+)
+
+
+var startScreen = behx.NewScreen(
+	"Hello, World!",
+	"inline",
+	"root",
+)
+
+var behaviour = behx.NewBehaviour(
+	behx.NewScreenChange("start"),
+	behx.ScreenMap{
 		"start": startScreen,
 	},
-}
+	behx.KeyboardMap{
+		"root": rootKbd,
+		"inline": inlineKbd,
+	},
+)
 
 func main() {
 	token := os.Getenv("BOT_TOKEN")