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Make completion documentation scroll & fix accompanying panic from tag

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Co-Authored-By: Antonio Scandurra <antonio@zed.dev>
This commit is contained in:
Julia 2023-10-10 10:08:29 -04:00
parent f5af5f7334
commit 801af95a13
3 changed files with 64 additions and 41 deletions
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75
crates/gpui/src/elements/flex.rs
View file

@ -2,7 +2,8 @@ use std::{any::Any, cell::Cell, f32::INFINITY, ops::Range, rc::Rc};
use crate::{
json::{self, ToJson, Value},
AnyElement, Axis, Element, ElementStateHandle, SizeConstraint, Vector2FExt, ViewContext,
AnyElement, Axis, Element, ElementStateHandle, SizeConstraint, TypeTag, Vector2FExt,
ViewContext,
};
use pathfinder_geometry::{
rect::RectF,
@ -10,10 +11,10 @@ use pathfinder_geometry::{
};
use serde_json::json;
#[derive(Default)]
struct ScrollState {
scroll_to: Cell<Option<usize>>,
scroll_position: Cell<f32>,
type_tag: TypeTag,
}
pub struct Flex<V> {
@ -66,8 +67,14 @@ impl<V: 'static> Flex<V> {
where
Tag: 'static,
{
let scroll_state = cx.default_element_state::<Tag, Rc<ScrollState>>(element_id);
scroll_state.read(cx).scroll_to.set(scroll_to);
let scroll_state = cx.element_state::<Tag, Rc<ScrollState>>(
element_id,
Rc::new(ScrollState {
scroll_to: Cell::new(scroll_to),
scroll_position: Default::default(),
type_tag: TypeTag::new::<Tag>(),
}),
);
self.scroll_state = Some((scroll_state, cx.handle().id()));
self
}
@ -276,38 +283,44 @@ impl<V: 'static> Element<V> for Flex<V> {
if let Some((scroll_state, id)) = &self.scroll_state {
let scroll_state = scroll_state.read(cx).clone();
cx.scene().push_mouse_region(
crate::MouseRegion::new::<Self>(*id, 0, bounds)
.on_scroll({
let axis = self.axis;
move |e, _: &mut V, cx| {
if remaining_space < 0. {
let scroll_delta = e.delta.raw();
crate::MouseRegion::from_handlers(
scroll_state.type_tag,
*id,
0,
bounds,
Default::default(),
)
.on_scroll({
let axis = self.axis;
move |e, _: &mut V, cx| {
if remaining_space < 0. {
let scroll_delta = e.delta.raw();
let mut delta = match axis {
Axis::Horizontal => {
if scroll_delta.x().abs() >= scroll_delta.y().abs() {
scroll_delta.x()
} else {
scroll_delta.y()
}
let mut delta = match axis {
Axis::Horizontal => {
if scroll_delta.x().abs() >= scroll_delta.y().abs() {
scroll_delta.x()
} else {
scroll_delta.y()
}
Axis::Vertical => scroll_delta.y(),
};
if !e.delta.precise() {
delta *= 20.;
}
scroll_state
.scroll_position
.set(scroll_state.scroll_position.get() - delta);
cx.notify();
} else {
cx.propagate_event();
Axis::Vertical => scroll_delta.y(),
};
if !e.delta.precise() {
delta *= 20.;
}
scroll_state
.scroll_position
.set(scroll_state.scroll_position.get() - delta);
cx.notify();
} else {
cx.propagate_event();
}
})
.on_move(|_, _: &mut V, _| { /* Capture move events */ }),
}
})
.on_move(|_, _: &mut V, _| { /* Capture move events */ }),
)
}