fix(app): fix inline_no_clear

CHANGELOG.md

@@ -46,6 +46,7 @@ and this project adheres to [Semantic Versioning](http://semver.org/).
 - Fixed flicker when setting `dark` reactive on startup https://github.com/Textualize/textual/pull/4989
 - Fixed command palette not sorting search results by their match score https://github.com/Textualize/textual/pull/4994
 - Fixed `DataTable` cached height issue on re-populating the table when using auto-height rows https://github.com/Textualize/textual/pull/4992
+- Fixed inline app output being cleared when `inline_no_clear=True` https://github.com/Textualize/textual/issues/5019
 
 ## [0.79.1] - 2024-08-31
 

src/textual/app.py

@@ -2959,10 +2959,18 @@ async def invoke_ready_callback() -> None:
                             self._driver.write(
                                 Control.move(-cursor_x, -cursor_y + 1).segment.text
                             )
-                            if inline_no_clear and not not self.app._exit_renderables:
+                            if inline_no_clear and not self.app._exit_renderables:
                                 console = Console()
-                                console.print(self.screen._compositor)
-                                console.print()
+                                try:
+                                    console.print(self.screen._compositor)
+                                except ScreenStackError:
+                                    console.print()
+                            else:
+                                self._driver.write(
+                                    Control.move(
+                                        -cursor_x, -self.INLINE_PADDING - 1
+                                    ).segment.text
+                                )
 
                         driver.stop_application_mode()
             except Exception as error:

src/textual/drivers/linux_inline_driver.py

@@ -310,8 +310,8 @@ def stop_application_mode(self) -> None:
         """Stop application mode, restore state."""
         self._disable_bracketed_paste()
         self.disable_input()
-
-        self.write("\x1b[2A\x1b[J")
+        self.write("\x1b[<u")  # Disable kitty protocol
+        self.write("\x1b[J")
 
         if self.attrs_before is not None:
             try: