Comments (5)
For example, if you click in the middle of a TextArea which does not have focus, then the cursor is briefly drawn at the end of the text before appearing where you clicked.
I can't seem to reproduce this issue, could you possibly share a screen recording of what you are seeing?
text-area-click-focus.mp4
from textual.app import App, ComposeResult
from textual.widgets import Button, TextArea
TEXT = """I must not fear.
Fear is the mind-killer.
Fear is the little-death that brings total obliteration.
I will face my fear.
I will permit it to pass over me and through me.
And when it has gone past, I will turn the inner eye to see its path.
Where the fear has gone there will be nothing. Only I will remain."""
class ClickFocusApp(App):
def compose(self) -> ComposeResult:
yield Button()
yield TextArea(TEXT)
if __name__ == "__main__":
app = ClickFocusApp()
app.run()
from textual.
This doesn't seem to work for me with the current Textual, but that's a separate issue.
This would suggest you've not installed devtools.
from textual.
Another example is ListView, where if you have a list view without focus where the action is to close the screen, then clicking on an item (other than the first) in the ListView will never show it as highlighted before it is destroyed.
Wouldn't you need a short delay before closing the screen to give the user chance to observe the selection? Something like this:
from textual import on
from textual.app import App, ComposeResult
from textual.screen import Screen
from textual.widgets import Button, Label, ListItem, ListView
class ExampleScreen(Screen):
def compose(self) -> ComposeResult:
yield Button()
yield ListView(
ListItem(Label("One")),
ListItem(Label("Two")),
ListItem(Label("Close this screen"), id="close-screen"),
)
@on(ListView.Selected)
def on_list_view_selected(self, event: ListView.Selected) -> None:
if event.item.id == "close-screen":
self.set_timer(0.2, self.dismiss)
class ClickFocusApp(App):
def on_mount(self) -> None:
self.push_screen(ExampleScreen())
if __name__ == "__main__":
app = ClickFocusApp()
app.run()
from textual.
Another example is ListView, where if you have a list view without focus where the action is to close the screen, then clicking on an item (other than the first) in the ListView will never show it as highlighted before it is destroyed.
I suspect this is one of those places where you'd use call_after_refresh
. For example, see how this looks:
from textual import on
from textual.app import App, ComposeResult
from textual.widgets import ListView, ListItem, Label
class ListViewMenuApp(App[None]):
def compose(self) -> ComposeResult:
yield ListView(
ListItem(Label("Beep"), id="beep"),
ListItem(Label("Close"), id="close")
)
@on(ListView.Selected, item="#beep")
def do_beep(self) -> None:
self.bell()
@on(ListView.Selected, item="#close")
def do_close(self) -> None:
self.exit()
if __name__ == "__main__":
ListViewMenuApp().run()
vs this:
from textual import on
from textual.app import App, ComposeResult
from textual.widgets import ListView, ListItem, Label
class ListViewMenuApp(App[None]):
def compose(self) -> ComposeResult:
yield ListView(
ListItem(Label("Beep"), id="beep"),
ListItem(Label("Close"), id="close")
)
@on(ListView.Selected, item="#beep")
def do_beep(self) -> None:
self.bell()
@on(ListView.Selected, item="#close")
def do_close(self) -> None:
self.call_after_refresh(self.exit)
if __name__ == "__main__":
ListViewMenuApp().run()
from textual.
Hmm. I concur that that simple example doesn't show the visual problem.
I suspect the issues I'm seeing are due to the focus causing a redraw in my app, then processing the mouse afterwards. I'll have to see if I can come up with a sensible reproduction case.
from textual.
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from textual.