veloren_voxygen/ui/widgets/
ghost_image.rs

1use conrod_core::{
2    Widget, WidgetCommon, image,
3    widget::{
4        self,
5        image::{State, Style},
6    },
7};
8
9/// This widget is like conrod's `Image` widget except it always returns false
10/// for is_over so widgets under it are still interactable
11#[derive(WidgetCommon)]
12pub struct GhostImage {
13    #[conrod(common_builder)]
14    common: widget::CommonBuilder,
15    image_id: image::Id,
16    style: Style,
17}
18
19impl GhostImage {
20    pub fn new(image_id: image::Id) -> Self {
21        Self {
22            common: widget::CommonBuilder::default(),
23            image_id,
24            style: Style::default(),
25        }
26    }
27}
28
29impl Widget for GhostImage {
30    type Event = ();
31    type State = State;
32    type Style = Style;
33
34    fn init_state(&self, _: widget::id::Generator) -> Self::State {
35        State {
36            src_rect: None,
37            image_id: self.image_id,
38        }
39    }
40
41    fn style(&self) -> Self::Style { self.style }
42
43    fn update(self, args: widget::UpdateArgs<Self>) -> Self::Event {
44        let widget::UpdateArgs { state, .. } = args;
45
46        if state.image_id != self.image_id {
47            state.update(|state| state.image_id = self.image_id)
48        }
49    }
50
51    // This is what we are here for
52    fn is_over(&self) -> widget::IsOverFn { |_, _, _| widget::IsOver::Bool(false) }
53}
veloren_voxygen/ui/widgets/ghost_image.rs

veloren_voxygen/ui/widgets/
ghost_image.rs
