fix(list): Constrain session list to terminal heightHEADmain

2 files changed, 16 insertions, 8 deletions

diff --git a/internal/app/state.go b/internal/app/state.go
index 6b24d80..aa9fb77 100644
--- a/internal/app/state.go
+++ b/internal/app/state.go
@@ -88,14 +88,14 @@ func (m *Model) reloadSessions() {
 }
 
 func (m *Model) ensureVisible() {
-	visibleHeight := m.listHeight()
+	visible := m.visibleItemCount()
 
 	if m.cursor < m.offset {
 		m.offset = m.cursor
 	}
 
-	if m.cursor >= m.offset+visibleHeight {
-		m.offset = m.cursor - visibleHeight + 1
+	if m.cursor >= m.offset+visible {
+		m.offset = m.cursor - visible + 1
 	}
 }
 
@@ -120,3 +120,11 @@ func (m Model) listHeight() int {
 
 	return max(1, m.height-reserved)
 }
+
+func (m Model) visibleItemCount() int {
+	if m.showPreview {
+		return m.listHeight() - 2
+	}
+
+	return max(1, m.listHeight()/2)
+}
diff --git a/internal/app/view.go b/internal/app/view.go
index 1f9fb4b..a726dae 100644
--- a/internal/app/view.go
+++ b/internal/app/view.go
@@ -390,9 +390,9 @@ func (m Model) renderList() string {
 
 	var builder strings.Builder
 
-	listHeight := m.listHeight()
+	visible := m.visibleItemCount()
 
-	for index := m.offset; index < min(m.offset+listHeight, len(m.filtered)); index++ {
+	for index := m.offset; index < min(m.offset+visible, len(m.filtered)); index++ {
 		session := m.filtered[index]
 		isSelected := index == m.cursor
 
@@ -400,9 +400,9 @@ func (m Model) renderList() string {
 		builder.WriteString("\n")
 	}
 
-	if len(m.filtered) > listHeight {
-		position := float64(m.offset) / float64(len(m.filtered)-listHeight)
-		indicator := fmt.Sprintf(" [%d-%d of %d]", m.offset+1, min(m.offset+listHeight, len(m.filtered)), len(m.filtered))
+	if len(m.filtered) > visible {
+		position := float64(m.offset) / float64(len(m.filtered)-visible)
+		indicator := fmt.Sprintf(" [%d-%d of %d]", m.offset+1, min(m.offset+visible, len(m.filtered)), len(m.filtered))
 
 		builder.WriteString(ui.MetaStyle.Render(indicator))