@@ -6,15 +6,15 @@ use crate::{
SharedString, Size, Style, StyleRefinement, Styled, Task, View, ViewContext, Visibility,
};
use collections::HashMap;
-use parking_lot::Mutex;
use refineable::Refineable;
use smallvec::SmallVec;
use std::{
any::{Any, TypeId},
+ cell::RefCell,
fmt::Debug,
marker::PhantomData,
mem,
- sync::Arc,
+ rc::Rc,
time::Duration,
};
use taffy::style::Overflow;
@@ -406,7 +406,7 @@ pub trait StatefulInteractiveComponent<V: 'static, E: Element<V>>: InteractiveCo
self.interactivity().tooltip_builder.is_none(),
"calling tooltip more than once on the same element is not supported"
);
- self.interactivity().tooltip_builder = Some(Arc::new(move |view_state, cx| {
+ self.interactivity().tooltip_builder = Some(Rc::new(move |view_state, cx| {
build_tooltip(view_state, cx).into()
}));
@@ -555,7 +555,7 @@ type DropListener<V> = dyn Fn(&mut V, AnyView, &mut ViewContext<V>) + 'static;
pub type HoverListener<V> = Box<dyn Fn(&mut V, bool, &mut ViewContext<V>) + 'static>;
-pub type TooltipBuilder<V> = Arc<dyn Fn(&mut V, &mut ViewContext<V>) -> AnyView + 'static>;
+pub type TooltipBuilder<V> = Rc<dyn Fn(&mut V, &mut ViewContext<V>) -> AnyView + 'static>;
pub type KeyDownListener<V> =
Box<dyn Fn(&mut V, &KeyDownEvent, DispatchPhase, &mut ViewContext<V>) + 'static>;
@@ -713,7 +713,7 @@ pub struct DivState {
impl DivState {
pub fn is_active(&self) -> bool {
- self.interactive_state.pending_mouse_down.lock().is_some()
+ self.interactive_state.pending_mouse_down.borrow().is_some()
}
}
@@ -882,7 +882,7 @@ where
if !click_listeners.is_empty() || drag_listener.is_some() {
let pending_mouse_down = element_state.pending_mouse_down.clone();
- let mouse_down = pending_mouse_down.lock().clone();
+ let mouse_down = pending_mouse_down.borrow().clone();
if let Some(mouse_down) = mouse_down {
if let Some(drag_listener) = drag_listener {
let active_state = element_state.clicked_state.clone();
@@ -896,7 +896,7 @@ where
&& bounds.contains_point(&event.position)
&& (event.position - mouse_down.position).magnitude() > DRAG_THRESHOLD
{
- *active_state.lock() = ElementClickedState::default();
+ *active_state.borrow_mut() = ElementClickedState::default();
let cursor_offset = event.position - bounds.origin;
let drag = drag_listener(view_state, cursor_offset, cx);
cx.active_drag = Some(drag);
@@ -916,13 +916,13 @@ where
listener(view_state, &mouse_click, cx);
}
}
- *pending_mouse_down.lock() = None;
+ *pending_mouse_down.borrow_mut() = None;
cx.notify();
});
} else {
cx.on_mouse_event(move |_view_state, event: &MouseDownEvent, phase, cx| {
if phase == DispatchPhase::Bubble && bounds.contains_point(&event.position) {
- *pending_mouse_down.lock() = Some(event.clone());
+ *pending_mouse_down.borrow_mut() = Some(event.clone());
cx.notify();
}
});
@@ -938,8 +938,8 @@ where
return;
}
let is_hovered =
- bounds.contains_point(&event.position) && has_mouse_down.lock().is_none();
- let mut was_hovered = was_hovered.lock();
+ bounds.contains_point(&event.position) && has_mouse_down.borrow().is_none();
+ let mut was_hovered = was_hovered.borrow_mut();
if is_hovered != was_hovered.clone() {
*was_hovered = is_hovered;
@@ -960,13 +960,13 @@ where
}
let is_hovered =
- bounds.contains_point(&event.position) && pending_mouse_down.lock().is_none();
+ bounds.contains_point(&event.position) && pending_mouse_down.borrow().is_none();
if !is_hovered {
- active_tooltip.lock().take();
+ active_tooltip.borrow_mut().take();
return;
}
- if active_tooltip.lock().is_none() {
+ if active_tooltip.borrow().is_none() {
let task = cx.spawn({
let active_tooltip = active_tooltip.clone();
let tooltip_builder = tooltip_builder.clone();
@@ -974,7 +974,7 @@ where
move |view, mut cx| async move {
cx.background_executor().timer(TOOLTIP_DELAY).await;
view.update(&mut cx, move |view_state, cx| {
- active_tooltip.lock().replace(ActiveTooltip {
+ active_tooltip.borrow_mut().replace(ActiveTooltip {
waiting: None,
tooltip: Some(AnyTooltip {
view: tooltip_builder(view_state, cx),
@@ -986,14 +986,14 @@ where
.ok();
}
});
- active_tooltip.lock().replace(ActiveTooltip {
+ active_tooltip.borrow_mut().replace(ActiveTooltip {
waiting: Some(task),
tooltip: None,
});
}
});
- if let Some(active_tooltip) = element_state.active_tooltip.lock().as_ref() {
+ if let Some(active_tooltip) = element_state.active_tooltip.borrow().as_ref() {
if active_tooltip.tooltip.is_some() {
cx.active_tooltip = active_tooltip.tooltip.clone()
}
@@ -1001,10 +1001,10 @@ where
}
let active_state = element_state.clicked_state.clone();
- if !active_state.lock().is_clicked() {
+ if !active_state.borrow().is_clicked() {
cx.on_mouse_event(move |_, _: &MouseUpEvent, phase, cx| {
if phase == DispatchPhase::Capture {
- *active_state.lock() = ElementClickedState::default();
+ *active_state.borrow_mut() = ElementClickedState::default();
cx.notify();
}
});
@@ -1019,7 +1019,7 @@ where
.map_or(false, |bounds| bounds.contains_point(&down.position));
let element = bounds.contains_point(&down.position);
if group || element {
- *active_state.lock() = ElementClickedState { group, element };
+ *active_state.borrow_mut() = ElementClickedState { group, element };
cx.notify();
}
}
@@ -1030,14 +1030,14 @@ where
if overflow.x == Overflow::Scroll || overflow.y == Overflow::Scroll {
let scroll_offset = element_state
.scroll_offset
- .get_or_insert_with(Arc::default)
+ .get_or_insert_with(Rc::default)
.clone();
let line_height = cx.line_height();
let scroll_max = (content_size - bounds.size).max(&Size::default());
cx.on_mouse_event(move |_, event: &ScrollWheelEvent, phase, cx| {
if phase == DispatchPhase::Bubble && bounds.contains_point(&event.position) {
- let mut scroll_offset = scroll_offset.lock();
+ let mut scroll_offset = scroll_offset.borrow_mut();
let old_scroll_offset = *scroll_offset;
let delta = event.delta.pixel_delta(line_height);
@@ -1066,7 +1066,7 @@ where
let scroll_offset = element_state
.scroll_offset
.as_ref()
- .map(|scroll_offset| *scroll_offset.lock());
+ .map(|scroll_offset| *scroll_offset.borrow());
cx.with_key_dispatch(
self.key_context.clone(),
@@ -1165,7 +1165,7 @@ where
}
}
- let clicked_state = element_state.clicked_state.lock();
+ let clicked_state = element_state.clicked_state.borrow();
if clicked_state.group {
if let Some(group) = self.group_active_style.as_ref() {
style.refine(&group.style)
@@ -1219,11 +1219,11 @@ impl<V: 'static> Default for Interactivity<V> {
#[derive(Default)]
pub struct InteractiveElementState {
pub focus_handle: Option<FocusHandle>,
- pub clicked_state: Arc<Mutex<ElementClickedState>>,
- pub hover_state: Arc<Mutex<bool>>,
- pub pending_mouse_down: Arc<Mutex<Option<MouseDownEvent>>>,
- pub scroll_offset: Option<Arc<Mutex<Point<Pixels>>>>,
- pub active_tooltip: Arc<Mutex<Option<ActiveTooltip>>>,
+ pub clicked_state: Rc<RefCell<ElementClickedState>>,
+ pub hover_state: Rc<RefCell<bool>>,
+ pub pending_mouse_down: Rc<RefCell<Option<MouseDownEvent>>>,
+ pub scroll_offset: Option<Rc<RefCell<Point<Pixels>>>>,
+ pub active_tooltip: Rc<RefCell<Option<ActiveTooltip>>>,
}
pub struct ActiveTooltip {
@@ -3,9 +3,8 @@ use crate::{
ElementId, InteractiveComponent, InteractiveElementState, Interactivity, LayoutId, Pixels,
Point, Size, StyleRefinement, Styled, ViewContext,
};
-use parking_lot::Mutex;
use smallvec::SmallVec;
-use std::{cmp, mem, ops::Range, sync::Arc};
+use std::{cell::RefCell, cmp, mem, ops::Range, rc::Rc};
use taffy::style::Overflow;
/// uniform_list provides lazy rendering for a set of items that are of uniform height.
@@ -61,23 +60,23 @@ pub struct UniformList<V: 'static> {
}
#[derive(Clone, Default)]
-pub struct UniformListScrollHandle(Arc<Mutex<Option<ScrollHandleState>>>);
+pub struct UniformListScrollHandle(Rc<RefCell<Option<ScrollHandleState>>>);
#[derive(Clone, Debug)]
struct ScrollHandleState {
item_height: Pixels,
list_height: Pixels,
- scroll_offset: Arc<Mutex<Point<Pixels>>>,
+ scroll_offset: Rc<RefCell<Point<Pixels>>>,
}
impl UniformListScrollHandle {
pub fn new() -> Self {
- Self(Arc::new(Mutex::new(None)))
+ Self(Rc::new(RefCell::new(None)))
}
pub fn scroll_to_item(&self, ix: usize) {
- if let Some(state) = &*self.0.lock() {
- let mut scroll_offset = state.scroll_offset.lock();
+ if let Some(state) = &*self.0.borrow() {
+ let mut scroll_offset = state.scroll_offset.borrow_mut();
let item_top = state.item_height * ix;
let item_bottom = item_top + state.item_height;
let scroll_top = -scroll_offset.y;
@@ -196,7 +195,7 @@ impl<V: 'static> Element<V> for UniformList<V> {
let shared_scroll_offset = element_state
.interactive
.scroll_offset
- .get_or_insert_with(Arc::default)
+ .get_or_insert_with(Rc::default)
.clone();
interactivity.paint(
@@ -222,7 +221,7 @@ impl<V: 'static> Element<V> for UniformList<V> {
.measure_item(view_state, Some(padded_bounds.size.width), cx)
.height;
if let Some(scroll_handle) = self.scroll_handle.clone() {
- scroll_handle.0.lock().replace(ScrollHandleState {
+ scroll_handle.0.borrow_mut().replace(ScrollHandleState {
item_height,
list_height: padded_bounds.size.height,
scroll_offset: shared_scroll_offset,