Capture relevant events in `image::Viewer`

This commit is contained in:
Héctor Ramón Jiménez 2021-01-11 19:31:34 +01:00
parent e7344d03b4
commit c7f6b2a5c7
1 changed files with 15 additions and 5 deletions

View File

@ -209,15 +209,23 @@ where
}
}
}
event::Status::Captured
}
Event::Mouse(mouse::Event::ButtonPressed(mouse::Button::Left))
if is_mouse_over =>
{
self.state.cursor_grabbed_at = Some(cursor_position);
self.state.starting_offset = self.state.current_offset;
event::Status::Captured
}
Event::Mouse(mouse::Event::ButtonReleased(mouse::Button::Left)) => {
self.state.cursor_grabbed_at = None
Event::Mouse(mouse::Event::ButtonReleased(mouse::Button::Left))
if self.state.cursor_grabbed_at.is_some() =>
{
self.state.cursor_grabbed_at = None;
event::Status::Captured
}
Event::Mouse(mouse::Event::CursorMoved { position }) => {
if let Some(origin) = self.state.cursor_grabbed_at {
@ -251,13 +259,15 @@ where
};
self.state.current_offset = Vector::new(x, y);
}
}
_ => {}
}
event::Status::Captured
} else {
event::Status::Ignored
}
}
_ => event::Status::Ignored,
}
}
fn draw(
&self,