From 65ae6b2a7ae1ea835e127bf5bae55d939ab5085c Mon Sep 17 00:00:00 2001
From: Jesse Luehrs <doy@tozt.net>
Date: Fri, 12 Nov 2021 05:49:03 -0500
Subject: add a function to return whether the alternate screen is in use

---
 CHANGELOG.md  | 6 ++++++
 src/screen.rs | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index e57d325..c83ecba 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,5 +1,11 @@
 # Changelog
 
+## [Unreleased]
+
+### Added
+
+* `Screen::alternate_screen` to determine if the alternate screen is in use
+
 ## [0.12.0] - 2021-03-09
 
 ### Added
diff --git a/src/screen.rs b/src/screen.rs
index 82d20b2..eaea554 100644
--- a/src/screen.rs
+++ b/src/screen.rs
@@ -662,6 +662,12 @@ impl Screen {
         self.attrs.inverse()
     }
 
+    /// Returns whether the alternate screen is currently in use.
+    #[must_use]
+    pub fn alternate_screen(&self) -> bool {
+        self.mode(MODE_ALTERNATE_SCREEN)
+    }
+
     fn grid(&self) -> &crate::grid::Grid {
         if self.mode(MODE_ALTERNATE_SCREEN) {
             &self.alternate_grid
-- 
cgit v1.2.3-54-g00ecf