Fix for GetFormItemByLabel Issue

checkbox.go

@@ -1,6 +1,8 @@
 package tview
 
 import (
+	"strings"
+
 	"github.com/gdamore/tcell"
 )
 
@@ -17,6 +19,9 @@ type Checkbox struct {
 	// The text to be displayed before the input area.
 	label string
 
+	// The padding to using on the label.
+	labelPadding int
+
 	// The label color.
 	labelColor tcell.Color
 
@@ -74,6 +79,12 @@ func (c *Checkbox) SetLabelColor(color tcell.Color) *Checkbox {
 	return c
 }
 
+func (c *Checkbox) setLabelPadding(padding int) FormItem {
+	c.labelPadding = padding
+
+	return c
+}
+
 // SetFieldBackgroundColor sets the background color of the input area.
 func (c *Checkbox) SetFieldBackgroundColor(color tcell.Color) *Checkbox {
 	c.fieldBackgroundColor = color
@@ -137,8 +148,11 @@ func (c *Checkbox) Draw(screen tcell.Screen) {
 		return
 	}
 
+	// Get label with padding
+	label := c.label + strings.Repeat(" ", c.labelPadding)
+
 	// Draw label.
-	_, drawnWidth := Print(screen, c.label, x, y, rightLimit-x, AlignLeft, c.labelColor)
+	_, drawnWidth := Print(screen, label, x, y, rightLimit-x, AlignLeft, c.labelColor)
 	x += drawnWidth
 
 	// Draw checkbox.

dropdown.go

@@ -39,6 +39,9 @@ type DropDown struct {
 	// The text to be displayed before the input area.
 	label string
 
+	// The padding to using on the label.
+	labelPadding int
+
 	// The label color.
 	labelColor tcell.Color
 
@@ -119,6 +122,12 @@ func (d *DropDown) SetLabelColor(color tcell.Color) *DropDown {
 	return d
 }
 
+func (d *DropDown) setLabelPadding(padding int) FormItem {
+	d.labelPadding = padding
+
+	return d
+}
+
 // SetFieldBackgroundColor sets the background color of the options area.
 func (d *DropDown) SetFieldBackgroundColor(color tcell.Color) *DropDown {
 	d.fieldBackgroundColor = color
@@ -226,8 +235,11 @@ func (d *DropDown) Draw(screen tcell.Screen) {
 		return
 	}
 
+	// Get label with padding
+	label := d.label + strings.Repeat(" ", d.labelPadding)
+
 	// Draw label.
-	_, drawnWidth := Print(screen, d.label, x, y, rightLimit-x, AlignLeft, d.labelColor)
+	_, drawnWidth := Print(screen, label, x, y, rightLimit-x, AlignLeft, d.labelColor)
 	x += drawnWidth
 
 	// What's the longest option text?

form.go

@@ -33,6 +33,8 @@ type FormItem interface {
 	// Enter key (we're done), the Escape key (cancel input), the Tab key (move to
 	// next field), and the Backtab key (move to previous field).
 	SetFinishedFunc(handler func(key tcell.Key)) FormItem
+
+	setLabelPadding(padding int) FormItem
 }
 
 // Form allows you to combine multiple one-line form elements into a vertical
@@ -290,6 +292,7 @@ func (f *Form) Draw(screen tcell.Screen) {
 	// Calculate positions of form items.
 	positions := make([]struct{ x, y, width, height int }, len(f.items)+len(f.buttons))
 	var focusedPosition struct{ x, y, width, height int }
+	var labelPadding int
 	for index, item := range f.items {
 		// Calculate the space needed.
 		label := strings.TrimSpace(item.GetLabel())
@@ -300,12 +303,12 @@ func (f *Form) Draw(screen tcell.Screen) {
 			if fieldWidth == 0 {
 				fieldWidth = DefaultFormFieldWidth
 			}
-			label += " "
+			labelPadding = 1
 			labelWidth++
 			itemWidth = labelWidth + fieldWidth
 		} else {
 			// We want all fields to align vertically.
-			label += strings.Repeat(" ", maxLabelWidth-labelWidth)
+			labelPadding = maxLabelWidth - labelWidth
 			itemWidth = width
 		}
 
@@ -325,7 +328,7 @@ func (f *Form) Draw(screen tcell.Screen) {
 			f.backgroundColor,
 			f.fieldTextColor,
 			f.fieldBackgroundColor,
-		)
+		).setLabelPadding(labelPadding)
 
 		// Save position.
 		positions[index].x = x

inputfield.go

@@ -26,6 +26,9 @@ type InputField struct {
 	// The text to be displayed before the input area.
 	label string
 
+	// The padding to using on the label.
+	labelPadding int
+
 	// The text to be displayed in the input area when "text" is empty.
 	placeholder string
 
@@ -109,6 +112,12 @@ func (i *InputField) SetLabelColor(color tcell.Color) *InputField {
 	return i
 }
 
+func (i *InputField) setLabelPadding(padding int) FormItem {
+	i.labelPadding = padding
+
+	return i
+}
+
 // SetFieldBackgroundColor sets the background color of the input area.
 func (i *InputField) SetFieldBackgroundColor(color tcell.Color) *InputField {
 	i.fieldBackgroundColor = color
@@ -202,8 +211,11 @@ func (i *InputField) Draw(screen tcell.Screen) {
 		return
 	}
 
+	// Get label with padding
+	label := i.label + strings.Repeat(" ", i.labelPadding)
+
 	// Draw label.
-	_, drawnWidth := Print(screen, i.label, x, y, rightLimit-x, AlignLeft, i.labelColor)
+	_, drawnWidth := Print(screen, label, x, y, rightLimit-x, AlignLeft, i.labelColor)
 	x += drawnWidth
 
 	// Draw input area.
@@ -280,7 +292,7 @@ func (i *InputField) setCursor(screen tcell.Screen) {
 	if i.fieldWidth > 0 && fieldWidth > i.fieldWidth-1 {
 		fieldWidth = i.fieldWidth - 1
 	}
-	x += StringWidth(i.label) + fieldWidth
+	x += StringWidth(i.label) + fieldWidth + i.labelPadding
 	if x >= rightLimit {
 		x = rightLimit - 1
 	}