ferrum_flow/canvas/
types.rs

1use gpui::{AnyElement, MouseMoveEvent, MouseUpEvent};
2
3use crate::{
4    alignment_guides::AlignmentGuides,
5    plugin::{PluginContext, RenderContext},
6};
7
8pub struct InteractionState {
9    pub handler: Option<Box<dyn Interaction>>,
10    pub alignment_guides: Option<AlignmentGuides>,
11}
12
13impl InteractionState {
14    pub fn new() -> Self {
15        Self {
16            handler: None,
17            alignment_guides: None,
18        }
19    }
20
21    pub fn add(&mut self, handler: impl Interaction + 'static) {
22        self.handler = Some(Box::new(handler));
23    }
24
25    pub fn clear(&mut self) {
26        self.handler = None;
27    }
28
29    pub fn is_some(&self) -> bool {
30        self.handler.is_some()
31    }
32}
33
34pub trait Interaction {
35    fn on_mouse_move(
36        &mut self,
37        event: &MouseMoveEvent,
38        ctx: &mut PluginContext,
39    ) -> InteractionResult;
40
41    fn on_mouse_up(&mut self, event: &MouseUpEvent, ctx: &mut PluginContext) -> InteractionResult;
42
43    fn render(&self, _ctx: &mut RenderContext) -> Option<AnyElement> {
44        None
45    }
46}
47
48pub enum InteractionResult {
49    Continue,
50    End,
51    Replace(Box<dyn Interaction>),
52}
53
54impl InteractionResult {
55    pub fn replace(new_handler: impl Interaction + 'static) -> Self {
56        Self::Replace(Box::new(new_handler))
57    }
58}
ferrum_flow/canvas/types.rs

ferrum_flow/canvas/
types.rs
