make highlight color of active list responsive

ui/listdelegate.go

@@ -8,7 +8,13 @@ import (
 	tea "github.com/charmbracelet/bubbletea"
 )
 
-type selectableDelegate struct{}
+type SelectionMsg struct {
+	IsSelected bool
+}
+
+type selectableDelegate struct {
+	IsActiveList bool
+}
 
 func (s selectableDelegate) Height() int { return 1 }
 
@@ -17,6 +23,10 @@ func (s selectableDelegate) Spacing() int {
 }
 
 func (s selectableDelegate) Update(msg tea.Msg, m *list.Model) tea.Cmd {
+	if msg, ok := msg.(SelectionMsg); ok {
+		s.IsActiveList = msg.IsSelected
+		m.SetDelegate(s)
+	}
 	return nil
 }
 
@@ -32,7 +42,7 @@ func (s selectableDelegate) Render(w io.Writer, m list.Model, index int, item li
 		str += " [ ] "
 	}
 	str += x.text
-	if m.Index() == index {
+	if s.IsActiveList && m.Index() == index {
 		sty := list.NewDefaultItemStyles()
 		str = sty.SelectedTitle.Render(str)
 	}

ui/settings.go

@@ -57,8 +57,12 @@ func (m Settings) Update(msg tea.Msg) (tea.Model, tea.Cmd) {
 		if msg.String() == "tab" {
 			if m.cursor == authors {
 				m.cursor = repos
+				m.AuthorList.SetDelegate(selectableDelegate{IsActiveList: false})
+				m.RepoList.SetDelegate(selectableDelegate{IsActiveList: true})
 			} else {
 				m.cursor = authors
+				m.AuthorList.SetDelegate(selectableDelegate{IsActiveList: true})
+				m.RepoList.SetDelegate(selectableDelegate{IsActiveList: false})
 			}
 		}
 	}
@@ -193,12 +197,12 @@ func NewSettings() (Settings, error) {
 	for _, v := range m.AllRepos {
 		repoItems = append(repoItems, v)
 	}
-	m.RepoList = list.New(repoItems, selectableDelegate{}, 0, 4)
+	m.RepoList = list.New(repoItems, selectableDelegate{IsActiveList: false}, 0, 4)
 
 	authItems := []list.Item{}
 	for _, v := range m.AllAuthors {
 		authItems = append(authItems, v)
 	}
-	m.AuthorList = list.New(authItems, selectableDelegate{}, 0, 4)
+	m.AuthorList = list.New(authItems, selectableDelegate{IsActiveList: true}, 0, 4)
 	return m, nil
 }