From 9aaf45ad33b3e0161ac07d5dfcb169651ffd622e Mon Sep 17 00:00:00 2001
From: TomJGooding <101601846+TomJGooding@users.noreply.github.com>
Date: Tue, 15 Oct 2024 15:44:47 +0100
Subject: [PATCH 1/2] feat(app): add is_web property

Add `App.is_web` property to indicate if the app is running via a web
browser.
---
 CHANGELOG.md                      | 1 +
 src/textual/app.py                | 5 +++++
 src/textual/driver.py             | 5 +++++
 src/textual/drivers/web_driver.py | 4 ++++
 4 files changed, 15 insertions(+)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index 35395ba0ef..c726e666f9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,6 +14,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Added
 
 - Added `background-tint` CSS rule https://github.com/Textualize/textual/pull/5117
+- Added `App.is_web` property to indicate if the app is running via a web browser
 
 ## [0.83.0] - 2024-10-10
 
diff --git a/src/textual/app.py b/src/textual/app.py
index b49cca30d8..0be742e2a8 100644
--- a/src/textual/app.py
+++ b/src/textual/app.py
@@ -993,6 +993,11 @@ def is_inline(self) -> bool:
         """Is the app running in 'inline' mode?"""
         return False if self._driver is None else self._driver.is_inline
 
+    @property
+    def is_web(self) -> bool:
+        """Is the app running in 'web' mode via a browser?"""
+        return False if self._driver is None else self._driver.is_web
+
     @property
     def screen_stack(self) -> list[Screen[Any]]:
         """A snapshot of the current screen stack.
diff --git a/src/textual/driver.py b/src/textual/driver.py
index 6a4f2e5f6b..3a48f7d59d 100644
--- a/src/textual/driver.py
+++ b/src/textual/driver.py
@@ -54,6 +54,11 @@ def is_inline(self) -> bool:
         """Is the driver 'inline' (not full-screen)?"""
         return False
 
+    @property
+    def is_web(self) -> bool:
+        """Is the driver 'web' (running via a browser)?"""
+        return False
+
     @property
     def can_suspend(self) -> bool:
         """Can this driver be suspended?"""
diff --git a/src/textual/drivers/web_driver.py b/src/textual/drivers/web_driver.py
index 3b67c0981e..7e1e0ff0b4 100644
--- a/src/textual/drivers/web_driver.py
+++ b/src/textual/drivers/web_driver.py
@@ -69,6 +69,10 @@ def __init__(
         """Maps delivery keys to file-like objects, used
         for delivering files to the browser."""
 
+    @property
+    def is_web(self) -> bool:
+        return True
+
     def write(self, data: str) -> None:
         """Write string data to the output device, which may be piped to
         the parent process (i.e. textual-web/textual-serve).

From 6d220b30f663d5c855208c94853bf1d82ada36e2 Mon Sep 17 00:00:00 2001
From: TomJGooding <101601846+TomJGooding@users.noreply.github.com>
Date: Tue, 15 Oct 2024 16:02:34 +0100
Subject: [PATCH 2/2] update changelog

---
 CHANGELOG.md | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/CHANGELOG.md b/CHANGELOG.md
index c726e666f9..d3ec487c39 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -14,7 +14,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 ### Added
 
 - Added `background-tint` CSS rule https://github.com/Textualize/textual/pull/5117
-- Added `App.is_web` property to indicate if the app is running via a web browser
+- Added `App.is_web` property to indicate if the app is running via a web browser https://github.com/Textualize/textual/pull/5128
 
 ## [0.83.0] - 2024-10-10