feat(textarea): add focus status to setPromptFunc (#797)

* fix!(textarea): send focus status to promptFunc

* feat(filepicker): add highlighted file path

* chore: rename and add docs

* fix(filepicker): disabled cursor style

* feat(textarea): promptFunc receives a PromptInfo type with metadata

---------

Co-authored-by: Kujtim Hoxha <kujtimii.h@gmail.com>

filepicker/filepicker.go

@@ -401,7 +401,7 @@ func (m Model) View() string {
 				selected += " → " + symlinkPath
 			}
 			if disabled {
-				s.WriteString(m.Styles.DisabledSelected.Render(m.Cursor) + m.Styles.DisabledSelected.Render(selected))
+				s.WriteString(m.Styles.DisabledCursor.Render(m.Cursor) + m.Styles.DisabledSelected.Render(selected))
 			} else {
 				s.WriteString(m.Styles.Cursor.Render(m.Cursor) + m.Styles.Selected.Render(selected))
 			}
@@ -516,3 +516,11 @@ func (m Model) canSelect(file string) bool {
 	}
 	return false
 }
+
+// HighlightedPath returns the path of the currently highlighted file or directory.
+func (M Model) HighlightedPath() string {
+	if len(M.files) == 0 || M.selected < 0 || M.selected >= len(M.files) {
+		return ""
+	}
+	return filepath.Join(M.CurrentDirectory, M.files[M.selected].Name())
+}

textarea/textarea.go

@@ -133,6 +133,13 @@ type LineInfo struct {
 	CharOffset int
 }
 
+// PromptInfo is a struct that can be used to store information about the
+// prompt.
+type PromptInfo struct {
+	LineNumber int
+	Focused    bool
+}
+
 // CursorStyle is the style for real and virtual cursors.
 type CursorStyle struct {
 	// Style styles the cursor block.
@@ -287,7 +294,7 @@ type Model struct {
 
 	// If promptFunc is set, it replaces Prompt as a generator for
 	// prompt strings at the beginning of each line.
-	promptFunc func(line int) string
+	promptFunc func(PromptInfo) string
 
 	// promptWidth is the width of the prompt.
 	promptWidth int
@@ -1052,7 +1059,7 @@ func (m *Model) SetWidth(w int) {
 // promptWidth, it will be padded to the left. If it returns a prompt that is
 // longer, display artifacts may occur; the caller is responsible for computing
 // an adequate promptWidth.
-func (m *Model) SetPromptFunc(promptWidth int, fn func(lineIndex int) string) {
+func (m *Model) SetPromptFunc(promptWidth int, fn func(PromptInfo) string) {
 	m.promptFunc = fn
 	m.promptWidth = promptWidth
 }
@@ -1320,7 +1327,10 @@ func (m Model) promptView(displayLine int) (prompt string) {
 	if m.promptFunc == nil {
 		return prompt
 	}
-	prompt = m.promptFunc(displayLine)
+	prompt = m.promptFunc(PromptInfo{
+		LineNumber: displayLine,
+		Focused:    m.focus,
+	})
 	width := lipgloss.Width(prompt)
 	if width < m.promptWidth {
 		prompt = fmt.Sprintf("%*s%s", m.promptWidth-width, "", prompt)