screens api

docs/examples/guide/screens/screen02.py

@@ -0,0 +1,36 @@
+from textual.app import App, Screen, ComposeResult
+from textual.widgets import Static
+
+
+ERROR_TEXT = """
+An error has occurred. To continue:
+
+Press Enter to return to Windows, or
+
+Press CTRL+ALT+DEL to restart your computer. If you do this,
+you will lose any unsaved information in all open applications.
+
+Error: 0E : 016F : BFF9B3D4
+"""
+
+
+class BSOD(Screen):
+    BINDINGS = [("escape", "app.pop_screen", "Pop screen")]
+
+    def compose(self) -> ComposeResult:
+        yield Static(" Windows ", id="title")
+        yield Static(ERROR_TEXT)
+        yield Static("Press any key to continue [blink]_[/]", id="any-key")
+
+
+class BSODApp(App):
+    CSS_PATH = "screen02.css"
+    BINDINGS = [("b", "push_screen('bsod')", "BSOD")]
+
+    def on_mount(self) -> None:
+        self.install_screen(BSOD(), name="bsod")
+
+
+if __name__ == "__main__":
+    app = BSODApp()
+    app.run()