Fix header window not updated on change-header

2 files changed, 13 insertions, 1 deletions

diff --git a/src/terminal.go b/src/terminal.go
index ec6e5d9b..ad5ad628 100644
--- a/src/terminal.go
+++ b/src/terminal.go
@@ -5133,7 +5133,12 @@ func (t *Terminal) Loop() error {
 					header = t.captureLines(a.a)
 				}
 				if t.changeHeader(header) {
-					req(reqHeader, reqList, reqPrompt, reqInfo)
+					if t.headerWindow != nil {
+						// Need to resize header window
+						req(reqFullRedraw)
+					} else {
+						req(reqHeader, reqList, reqPrompt, reqInfo)
+					}
 				} else {
 					req(reqHeader)
 				}
diff --git a/test/test_core.rb b/test/test_core.rb
index ec0a1da8..c8b73f23 100644
--- a/test/test_core.rb
+++ b/test/test_core.rb
@@ -1920,4 +1920,11 @@ class TestCore < TestInteractive
     tmux.send_keys :Up
     tmux.until { |lines| assert_includes lines, ' 2' }
   end
+
+  def test_change_header_on_header_window
+    tmux.send_keys %(seq 100 | #{FZF} --list-border --input-border --bind 'start:change-header(foo),space:change-header(bar)'), :Enter
+    tmux.until { |lines| assert lines.any_include?('foo') }
+    tmux.send_keys :Space
+    tmux.until { |lines| assert lines.any_include?('bar') }
+  end
 end