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Merge pull request #694 from hecrj/fix/image-viewer-event-capturing 

Capture relevant events in `image::Viewer`
This commit is contained in:
Héctor Ramón 2021-01-12 20:06:32 +01:00 committed by GitHub
parent e7344d03b4 c7f6b2a5c7
commit 92d647d1a6
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GPG Key ID: 4AEE18F83AFDEB23
1 changed files with 15 additions and 5 deletions
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22
native/src/widget/image/viewer.rs
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@ -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,