Keep page in bounds after resetting terminal size

ui/stash.go

@@ -66,6 +66,12 @@ func (m *stashModel) SetSize(width, height int) {
 	// Update the paginator
 	perPage := (m.terminalHeight - topPadding - bottomPadding) / itemHeight
 	m.paginator.PerPage = perPage
+	m.paginator.SetTotalPages(len(m.documents))
+
+	// Make sure the page stays in bounds
+	if m.paginator.Page >= m.paginator.TotalPages-1 {
+		m.paginator.Page = m.paginator.TotalPages - 1
+	}
 }
 
 // INIT

ui/ui.go

@@ -151,6 +151,8 @@ func update(msg boba.Msg, mdl boba.Model) (boba.Model, boba.Cmd) {
 		m.terminalWidth = w
 		m.terminalHeight = h
 		m.stash.SetSize(w, h)
+		// TODO: load more stash pages if we've resized, are on the last page,
+		// and haven't loaded more pages yet.
 		return m, nil
 
 	case sshAuthErrMsg: