Better keyboard definition way with less code.

cmd/test/main.go

@@ -51,7 +51,7 @@ var (
 	startScreenButton = tg.NewButton("🏠 To the start screen").
 				ScreenChange("start")
 
-	incDecKeyboard = tg.NewReply().Row(
+	incDecKeyboard = tg.NewKeyboard().Row(
 		tg.NewButton("+").ActionFunc(func(c *tg.Context) {
 			d := ExtractSessionData(c)
 			d.Counter++
@@ -66,9 +66,7 @@ var (
 		startScreenButton,
 	)
 
-	navKeyboard = tg.NewReply().
+	navKeyboard = tg.NewKeyboard().Row(
-			WithOneTime(true).
-			Row(
 		tg.NewButton("Inc/Dec").ScreenChange("start/inc-dec"),
 	).Row(
 		tg.NewButton("Upper case").ActionFunc(func(c *tg.Context){
@@ -77,17 +75,14 @@ var (
 		tg.NewButton("Lower case").ScreenChange("start/lower-case"),
 	).Row(
 		tg.NewButton("Send location").ScreenChange("start/send-location"),
-	)
+	).Reply().WithOneTime(true)
 
-	sendLocationKeyboard = tg.NewReply().
+	sendLocationKeyboard = tg.NewKeyboard().Row(
-				Row(
 		tg.NewButton("Send location").
 			WithSendLocation(true).
 			ActionFunc(func(c *tg.Context) {
-					var err error
-					if c.Message.Location != nil {
 				l := c.Message.Location
-						_, err = c.Sendf(
+				c.Sendf(
 					"Longitude: %f\n"+
 					"Latitude: %f\n"+
 					"Heading: %d"+
@@ -96,21 +91,15 @@ var (
 					l.Latitude,
 					l.Heading,
 				)
-					} else {
-						_, err = c.Sendf("Somehow location was not sent")
-					}
-					if err != nil {
-						c.Sendf("%q", err)
-					}
 			}),
 	).Row(
 		startScreenButton,
-	)
+	).Reply()
 
 	// The keyboard to return to the start screen.
-	navToStartKeyboard = tg.NewReply().Row(
+	navToStartKeyboard = tg.NewKeyboard().Row(
 		startScreenButton,
-	)
+	).Reply()
 )
 
 var beh = tg.NewBehaviour().
@@ -121,12 +110,12 @@ var beh = tg.NewBehaviour().
 		tg.NewScreen("start", tg.NewPage(
 				"",
 			).WithInline(
-				tg.NewInline().Row(
+				tg.NewKeyboard().Row(
 					tg.NewButton("GoT Github page").
 						WithUrl("https://github.com/mojosa-software/got"),
-				).Widget(""),
+				).Inline().Widget("The bot started!"),
 			).WithReply(
-				navKeyboard.Widget("The bot started!"),
+				navKeyboard.Widget("Choose what you are interested in"),
 			),
 		),
 		tg.NewScreen("start/inc-dec", tg.NewPage(
@@ -135,7 +124,7 @@ var beh = tg.NewBehaviour().
 					"by saving the counter for each of users "+
 					"separately. ",
 			).WithReply(
-				incDecKeyboard.Widget("Press the buttons to increment and decrement"),
+				incDecKeyboard.Reply().Widget("Press the buttons to increment and decrement"),
 			).ActionFunc(func(c *tg.Context) {
 				// The function will be calleb before serving page.
 				d := ExtractSessionData(c)
@@ -166,7 +155,7 @@ var beh = tg.NewBehaviour().
 			).WithReply(
 				sendLocationKeyboard.Widget(""),
 			).WithInline(
-				tg.NewInline().Row(
+				tg.NewKeyboard().Row(
 					tg.NewButton(
 						"Check",
 					).WithData(
@@ -175,7 +164,7 @@ var beh = tg.NewBehaviour().
 							d := ExtractSessionData(c)
 							c.Sendf("Counter = %d", d.Counter)
 					}),
-				).Widget("Press the button to display your counter"),
+				).Inline().Widget("Press the button to display your counter"),
 			),
 		),
 	).WithCommands(

tg/keyboard.go

@@ -8,39 +8,29 @@ import (
 type Keyboard struct {
 	// The action is called if there is no
 	// defined action for the button.
-	Action *action
+	Action Action
 	Rows []ButtonRow
 	buttonMap ButtonMap
 }
 
 // The type represents reply keyboards.
 type ReplyKeyboard struct {
-	Keyboard
+	*Keyboard
 	// If true will be removed after one press.
 	OneTime bool
 	// If true will remove the keyboard on send.
 	Remove bool
 }
 
-// The type represents keyboard to be emdedded into the messages.
+// Returns the new keyboard with specified rows.
-type InlineKeyboard struct {
+func NewKeyboard(rows ...ButtonRow) *Keyboard {
-	Keyboard
+	ret := &Keyboard{}
-}
+	ret.Rows = rows
-
-// Returns new empty inline keyboard.
-func NewInline() *InlineKeyboard {
-	ret := &InlineKeyboard{}
-	return ret
-}
-
-// Returns new empty reply keyboard.
-func NewReply() *ReplyKeyboard {
-	ret := &ReplyKeyboard {}
 	return ret
 }
 
 // Adds a new button row to the current keyboard.
-func (kbd *InlineKeyboard) Row(btns ...*Button) *InlineKeyboard {
+func (kbd *Keyboard) Row(btns ...*Button) *Keyboard {
 	// For empty row. We do not need that.
 	if len(btns) < 1 {
 		return kbd
@@ -49,17 +39,53 @@ func (kbd *InlineKeyboard) Row(btns ...*Button) *InlineKeyboard {
 	return kbd
 }
 
-// Set default action for the buttons in keyboard.
+// Set the default action when no button provides
-func (kbd *InlineKeyboard) WithAction(a Action) *InlineKeyboard {
+// key to the data we got.
-	kbd.Action = newAction(a)
+func (kbd *Keyboard) WithAction(a Action) *Keyboard {
+	kbd.Action = a
 	return kbd
 }
 
-// Alias to WithAction to simpler define actions.
+// Alias to WithAction but better typing when setting
-func (kbd *InlineKeyboard) ActionFunc(fn ActionFunc) *InlineKeyboard {
+// a specific function
+func (kbd *Keyboard) ActionFunc(fn ActionFunc) *Keyboard {
 	return kbd.WithAction(fn)
 }
 
+// Returns the map of buttons. Used to define the Action.
+func (kbd Keyboard) ButtonMap() ButtonMap {
+	if kbd.buttonMap != nil {
+		return kbd.buttonMap
+	}
+	ret := make(ButtonMap)
+	for _, vi := range kbd.Rows {
+		for _, vj := range vi {
+			ret[vj.Key()] = vj
+		}
+	}
+	kbd.buttonMap = ret
+
+	return ret
+}
+
+// Convert the keyboard to the more specific inline one.
+func (kbd *Keyboard) Inline() *InlineKeyboard {
+	ret := &InlineKeyboard{}
+	ret.Keyboard = kbd
+	return ret
+}
+
+func (kbd *Keyboard) Reply() *ReplyKeyboard {
+	ret := &ReplyKeyboard{}
+	ret.Keyboard = kbd
+	return ret
+}
+
+// The type represents keyboard to be emdedded into the messages.
+type InlineKeyboard struct {
+	*Keyboard
+}
+
 // Transform the keyboard to widget with the specified text.
 func (kbd *InlineKeyboard) Widget(text string) *InlineKeyboardWidget {
 	ret := &InlineKeyboardWidget{}
@@ -68,27 +94,7 @@ func (kbd *InlineKeyboard) Widget(text string) *InlineKeyboardWidget {
 	return ret
 }
 
-// Adds a new button row to the current keyboard.
+// Transform the keyboard to widget with the specified text.
-func (kbd *ReplyKeyboard) Row(btns ...*Button) *ReplyKeyboard {
-	// For empty row. We do not need that.
-	if len(btns) < 1 {
-		return kbd
-	}
-	kbd.Rows = append(kbd.Rows, btns)
-	return kbd
-}
-
-// Set default action for the keyboard.
-func (kbd *ReplyKeyboard) WithAction(a Action) *ReplyKeyboard {
-	kbd.Action = newAction(a)
-	return kbd
-}
-
-// Alias to WithAction for simpler callback declarations.
-func (kbd *ReplyKeyboard) ActionFunc(fn ActionFunc) *ReplyKeyboard {
-	return kbd.WithAction(fn)
-}
-
 func (kbd *ReplyKeyboard) Widget(text string) *ReplyKeyboardWidget {
 	ret := &ReplyKeyboardWidget{}
 	ret.ReplyKeyboard = kbd
@@ -147,19 +153,4 @@ func (kbd *ReplyKeyboard) WithOneTime(oneTime bool) *ReplyKeyboard {
 	return kbd
 }
 
-// Returns the map of buttons. Used to define the Action.
-func (kbd Keyboard) ButtonMap() ButtonMap {
-	if kbd.buttonMap != nil {
-		return kbd.buttonMap
-	}
-	ret := make(ButtonMap)
-	for _, vi := range kbd.Rows {
-		for _, vj := range vi {
-			ret[vj.Key()] = vj
-		}
-	}
-	kbd.buttonMap = ret
-
-	return ret
-}