chore(textinput): use a getter and setter for width

textinput/textinput.go

@@ -110,7 +110,7 @@ type Model struct {
 	// Width is the maximum number of characters that can be displayed at once.
 	// It essentially treats the text field like a horizontally scrolling
 	// viewport. If 0 or less this setting is ignored.
-	Width int
+	width int
 
 	// KeyMap encodes the keybindings recognized by the widget.
 	KeyMap KeyMap
@@ -168,6 +168,16 @@ func New() Model {
 	}
 }
 
+// SetWidth sets the width of the text input.
+func (m Model) Width() int {
+	return m.width
+}
+
+// SetWidth sets the width of the text input.
+func (m *Model) SetWidth(w int) {
+	m.width = w
+}
+
 // SetValue sets the value of the text input.
 func (m *Model) SetValue(s string) {
 	// Clean up any special characters in the input provided by the
@@ -315,7 +325,7 @@ func (m *Model) insertRunesFromUserInput(v []rune) {
 // If a max width is defined, perform some logic to treat the visible area
 // as a horizontally scrolling viewport.
 func (m *Model) handleOverflow() {
-	if m.Width <= 0 || uniseg.StringWidth(string(m.value)) <= m.Width {
+	if m.Width() <= 0 || uniseg.StringWidth(string(m.value)) <= m.Width() {
 		m.offset = 0
 		m.offsetRight = len(m.value)
 		return
@@ -331,9 +341,9 @@ func (m *Model) handleOverflow() {
 		i := 0
 		runes := m.value[m.offset:]
 
-		for i < len(runes) && w <= m.Width {
+		for i < len(runes) && w <= m.Width() {
 			w += rw.RuneWidth(runes[i])
-			if w <= m.Width+1 {
+			if w <= m.Width()+1 {
 				i++
 			}
 		}
@@ -346,9 +356,9 @@ func (m *Model) handleOverflow() {
 		runes := m.value[:m.offsetRight]
 		i := len(runes) - 1
 
-		for i > 0 && w < m.Width {
+		for i > 0 && w < m.Width() {
 			w += rw.RuneWidth(runes[i])
-			if w <= m.Width {
+			if w <= m.Width() {
 				i--
 			}
 		}
@@ -678,9 +688,9 @@ func (m Model) View() string {
 	// If a max width and background color were set fill the empty spaces with
 	// the background color.
 	valWidth := uniseg.StringWidth(string(value))
-	if m.Width > 0 && valWidth <= m.Width {
-		padding := max(0, m.Width-valWidth)
-		if valWidth+padding <= m.Width && pos < len(value) {
+	if m.Width() > 0 && valWidth <= m.Width() {
+		padding := max(0, m.Width()-valWidth)
+		if valWidth+padding <= m.Width() && pos < len(value) {
 			padding++
 		}
 		v += styleText(strings.Repeat(" ", padding))
@@ -702,15 +712,15 @@ func (m Model) placeholderView() string {
 	v += m.Cursor.View()
 
 	// If the entire placeholder is already set and no padding is needed, finish
-	if m.Width < 1 && len(p) <= 1 {
+	if m.Width() < 1 && len(p) <= 1 {
 		return m.PromptStyle.Render(m.Prompt) + v
 	}
 
 	// If Width is set then size placeholder accordingly
-	if m.Width > 0 {
+	if m.Width() > 0 {
 		// available width is width - len + cursor offset of 1
 		minWidth := lipgloss.Width(m.Placeholder)
-		availWidth := m.Width - minWidth + 1
+		availWidth := m.Width() - minWidth + 1
 
 		// if width < len, 'subtract'(add) number to len and dont add padding
 		if availWidth < 0 {