Add word selection on double-tap

position.go

@@ -20,3 +20,11 @@ func (t *Terminal) getTermPosition(pos fyne.Position) position {
 	row := int(pos.Y/cell.Height) + 1
 	return position{col, row}
 }
+
+// getTextPosition converts a terminal position (row and col) to fyne coordinates.
+func (t *Terminal) getTextPosition(pos position) fyne.Position {
+	cell := t.guessCellSize()
+	x := (pos.Col - 1) * int(cell.Width)  // Convert column to pixel position (1-based to 0-based)
+	y := (pos.Row - 1) * int(cell.Height) // Convert row to pixel position (1-based to 0-based)
+	return fyne.NewPos(float32(x), float32(y))
+}

select.go

@@ -52,6 +52,8 @@ func (t *Terminal) clearSelectedText() {
 	t.Refresh()
 	t.blockMode = false
 	t.selecting = false
+	t.selStart = nil
+	t.selEnd = nil
 }
 
 // SelectedText gets the text that is currently selected.

select_test.go

@@ -3,8 +3,10 @@ package terminal
 import (
 	"testing"
 
+	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/widget"
 	widget2 "github.com/fyne-io/terminal/internal/widget"
+	"github.com/stretchr/testify/assert"
 )
 
 func TestGetSelectedRange(t *testing.T) {
@@ -75,7 +77,6 @@ func TestGetSelectedRange(t *testing.T) {
 }
 
 func TestGetTextRange(t *testing.T) {
-	// Prepare the text grid for the tests
 	grid := widget2.NewTermGrid()
 	grid.Rows = []widget.TextGridRow{
 		{Cells: []widget.TextGridCell{{Rune: 'A'}, {Rune: 'B'}, {Rune: 'C'}}},
@@ -109,3 +110,70 @@ func TestGetTextRange(t *testing.T) {
 		})
 	}
 }
+
+func TestDoubleTapped(t *testing.T) {
+	grid := widget2.NewTermGrid()
+	grid.Rows = []widget.TextGridRow{
+		{Cells: []widget.TextGridCell{
+			{Rune: 'H'}, {Rune: 'e'}, {Rune: 'l'}, {Rune: 'l'}, {Rune: 'o'},
+			{Rune: ' '}, {Rune: 'W'}, {Rune: 'o'}, {Rune: 'r'}, {Rune: 'l'},
+			{Rune: 'd'}, {Rune: '!'},
+		}},
+		{Cells: []widget.TextGridCell{
+			{Rune: 'T'}, {Rune: 'e'}, {Rune: 's'}, {Rune: 't'}, {Rune: 'i'},
+			{Rune: 'n'}, {Rune: 'g'}, {Rune: ' '}, {Rune: '1'}, {Rune: '2'},
+			{Rune: '3'}, {Rune: '.'},
+		}},
+	}
+
+	term := &Terminal{
+		content: grid,
+	}
+	term.Resize(fyne.NewSize(500, 500))
+
+	tests := map[string]struct {
+		clickPosition fyne.Position
+		expectedWord  string
+	}{
+		"Double tap on 'Hello'": {
+			clickPosition: term.getTextPosition(position{Row: 1, Col: 1}),
+			expectedWord:  "Hello",
+		},
+		"Double tap on 'World'": {
+			clickPosition: term.getTextPosition(position{Row: 1, Col: 7}),
+			expectedWord:  "World",
+		},
+		"Double tap on '123'": {
+			clickPosition: term.getTextPosition(position{Row: 2, Col: 9}),
+			expectedWord:  "123",
+		},
+		"Double tap on '!' should not select": {
+			clickPosition: term.getTextPosition(position{Row: 1, Col: 12}),
+			expectedWord:  "",
+		},
+		"Double tap on '.' should not select": {
+			clickPosition: term.getTextPosition(position{Row: 2, Col: 12}),
+			expectedWord:  "",
+		},
+		"Double tap on space between words": {
+			clickPosition: term.getTextPosition(position{Row: 1, Col: 6}),
+			expectedWord:  "",
+		},
+	}
+
+	for name, tc := range tests {
+		t.Run(name, func(t *testing.T) {
+			term.clearSelectedText()
+			term.DoubleTapped(&fyne.PointEvent{
+				Position: tc.clickPosition,
+			})
+
+			selectedWord := ""
+			if term.hasSelectedText() {
+				selectedWord = term.SelectedText()
+			}
+
+			assert.Equal(t, tc.expectedWord, selectedWord)
+		})
+	}
+}

term.go

@@ -9,6 +9,7 @@ import (
 	"runtime"
 	"sync"
 	"time"
+	"unicode"
 
 	"fyne.io/fyne/v2"
 	"fyne.io/fyne/v2/canvas"
@@ -157,6 +158,51 @@ func (t *Terminal) MouseUp(ev *desktop.MouseEvent) {
 	}
 }
 
+// DoubleTapped handles the double tapped event.
+func (t *Terminal) DoubleTapped(pe *fyne.PointEvent) {
+	pos := t.sanitizePosition(pe.Position)
+	termPos := t.getTermPosition(*pos)
+	row, col := termPos.Row, termPos.Col
+
+	if t.hasSelectedText() {
+		t.clearSelectedText()
+	}
+
+	if row < 1 || row > len(t.content.Rows) {
+		return
+	}
+
+	rowContent := t.content.Rows[row-1].Cells
+
+	if col < 0 || col >= len(rowContent) {
+		return // No valid character under the cursor, do nothing
+	}
+
+	start, end := col-1, col-1
+
+	if !unicode.IsLetter(rowContent[start].Rune) && !unicode.IsDigit(rowContent[start].Rune) {
+		return
+	}
+
+	for start > 0 && (unicode.IsLetter(rowContent[start-1].Rune) || unicode.IsDigit(rowContent[start-1].Rune)) {
+		start--
+	}
+	if start < len(rowContent) && !unicode.IsLetter(rowContent[start].Rune) && !unicode.IsDigit(rowContent[start].Rune) {
+		start++
+	}
+	for end < len(rowContent) && (unicode.IsLetter(rowContent[end].Rune) || unicode.IsDigit(rowContent[end].Rune)) {
+		end++
+	}
+	if start == end {
+		return
+	}
+
+	t.selStart = &position{Row: row, Col: start + 1}
+	t.selEnd = &position{Row: row, Col: end}
+
+	t.highlightSelectedText()
+}
+
 // RemoveListener de-registers a Config channel and closes it
 func (t *Terminal) RemoveListener(listener chan Config) {
 	t.listenerLock.Lock()