From 41b34a45ec4879ff45c3a775bc0f8e4f96ded265 Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Thu, 7 Nov 2019 16:42:14 -0500
Subject: don't recalculate total matches unless we have added more frames

---
 src/cmd/play.rs | 12 ++++++++++--
 1 file changed, 10 insertions(+), 2 deletions(-)

diff --git a/src/cmd/play.rs b/src/cmd/play.rs
index 756c907..ebf1d2b 100644
--- a/src/cmd/play.rs
+++ b/src/cmd/play.rs
@@ -135,6 +135,7 @@ impl Ttyrec {
 struct SearchState {
     query: regex::bytes::Regex,
     count: usize,
+    total_frame_count: usize,
     idx: Option<usize>,
 }
 
@@ -263,7 +264,10 @@ impl Player {
             if let Some(idx) = &mut state.idx {
                 state.idx = Some(*idx + 1);
             } else {
-                state.count = self.ttyrec.count_matches_from(0, &state.query);
+                if state.total_frame_count != self.ttyrec.len() {
+                    state.count =
+                        self.ttyrec.count_matches_from(0, &state.query);
+                }
                 state.idx = Some(
                     state.count
                         - self
@@ -297,7 +301,10 @@ impl Player {
             if let Some(idx) = &mut state.idx {
                 state.idx = Some(*idx - 1);
             } else {
-                state.count = self.ttyrec.count_matches_from(0, &state.query);
+                if state.total_frame_count != self.ttyrec.len() {
+                    state.count =
+                        self.ttyrec.count_matches_from(0, &state.query);
+                }
                 state.idx = Some(
                     state.count
                         - self
@@ -356,6 +363,7 @@ impl Player {
         self.search_state = Some(SearchState {
             query: re,
             count,
+            total_frame_count: self.ttyrec.len(),
             idx: None,
         });
         self.next_match();
-- 
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