screenshor plugin fix

docs/examples/introduction/stopwatch06.py

@@ -9,15 +9,9 @@ from textual.widgets import Button, Header, Footer, Static
 class TimeDisplay(Static):
     """A widget to display elapsed time."""
 
-    total = Reactive(0.0)
     start_time = Reactive(monotonic)
     time = Reactive(0.0)
-
-    def watch_time(self, time: float) -> None:
-        """Called when the time attribute changes."""
-        minutes, seconds = divmod(time, 60)
-        hours, minutes = divmod(minutes, 60)
-        self.update(f"{hours:02,.0f}:{minutes:02.0f}:{seconds:05.2f}")
+    total = Reactive(0.0)
 
     def on_mount(self) -> None:
         """Event handler called when widget is added to the app."""
@@ -27,6 +21,12 @@ class TimeDisplay(Static):
         """Method to update time to current."""
         self.time = self.total + (monotonic() - self.start_time)
 
+    def watch_time(self, time: float) -> None:
+        """Called when the time attribute changes."""
+        minutes, seconds = divmod(time, 60)
+        hours, minutes = divmod(minutes, 60)
+        self.update(f"{hours:02,.0f}:{minutes:02.0f}:{seconds:05.2f}")
+
     def start(self) -> None:
         """Method to start (or resume) time updating."""
         self.start_time = monotonic()
@@ -41,21 +41,21 @@ class TimeDisplay(Static):
     def reset(self):
         """Method to reset the time display to zero."""
         self.total = 0
-        self.time = self.start_time
+        self.time = 0
 
 
 class Stopwatch(Static):
+    """A Textual app to manage stopwatches."""
+
     def on_button_pressed(self, event: Button.Pressed) -> None:
         """Event handler called when a button is pressed."""
         time_display = self.query_one(TimeDisplay)
         if event.button.id == "start":
             time_display.start()
             self.add_class("started")
-            self.query_one("#stop").focus()
         elif event.button.id == "stop":
             time_display.stop()
             self.remove_class("started")
-            self.query_one("#start").focus()
         elif event.button.id == "reset":
             time_display.reset()
 
@@ -64,7 +64,7 @@ class Stopwatch(Static):
         yield Button("Start", id="start", variant="success")
         yield Button("Stop", id="stop", variant="error")
         yield Button("Reset", id="reset")
-        yield TimeDisplay("00:00:00.00")
+        yield TimeDisplay()
 
 
 class StopwatchApp(App):