fix(theme): refresh host appearance on focus (#2417)

* fix(theme): refresh host appearance on focus

refs #2416

* fix(input): preserve split appearance replies

refs #2416

* fix(input): retain fragmented appearance reports

refs #2416

---------

Co-authored-by: akbash-bot <300245827+akbash-bot@users.noreply.github.com>
Co-authored-by: Can Celik <ogulcancelik@gmail.com>

2 files changed, 11 insertions, 0 deletions

diff --git a/src/app/runtime.rs b/src/app/runtime.rs
index e05b9599..49420381 100644
--- a/src/app/runtime.rs
+++ b/src/app/runtime.rs
@@ -233,6 +233,8 @@ impl App {
                 changes_view
             }
             crate::raw_input::RawInputEvent::OuterFocusGained => {
+                #[cfg(not(windows))]
+                self.query_host_terminal_appearance();
                 self.send_outer_focus_event(crate::ghostty::FocusEvent::Gained);
                 if self.state.redraw_on_focus_gained {
                     self.request_repaint();
diff --git a/src/app/theme_sync.rs b/src/app/theme_sync.rs
index 32716ced..6bf06685 100644
--- a/src/app/theme_sync.rs
+++ b/src/app/theme_sync.rs
@@ -1,6 +1,15 @@
 use super::App;
 
 impl App {
+    #[cfg(not(windows))]
+    pub(super) fn query_host_terminal_appearance(&self) {
+        use std::io::Write;
+
+        let _ = std::io::stdout()
+            .write_all(crate::terminal_theme::HOST_COLOR_SCHEME_QUERY_SEQUENCE.as_bytes());
+        let _ = std::io::stdout().flush();
+    }
+
     pub(super) fn query_host_terminal_theme(&self) {
         use std::io::Write;