This commit is contained in:
Nathan Sobo 2023-11-13 18:58:42 -07:00
parent 76754c559c
commit 922bb3195b
9 changed files with 82 additions and 218 deletions

View file

@ -2640,15 +2640,6 @@ impl Element<Editor> for EditorElement {
cx.request_layout(&style, None)
}
fn prepaint(
&mut self,
bounds: Bounds<Pixels>,
view_state: &mut Editor,
element_state: &mut Self::ElementState,
cx: &mut ViewContext<Editor>,
) {
}
fn paint(
&mut self,
bounds: Bounds<gpui::Pixels>,

View file

@ -26,14 +26,6 @@ pub trait Element<V: 'static> {
cx: &mut ViewContext<V>,
) -> LayoutId;
fn prepaint(
&mut self,
bounds: Bounds<Pixels>,
view_state: &mut V,
element_state: &mut Self::ElementState,
cx: &mut ViewContext<V>,
);
fn paint(
&mut self,
bounds: Bounds<Pixels>,
@ -70,7 +62,6 @@ pub trait ParentElement<V: 'static> {
trait ElementObject<V> {
fn initialize(&mut self, view_state: &mut V, cx: &mut ViewContext<V>);
fn layout(&mut self, view_state: &mut V, cx: &mut ViewContext<V>) -> LayoutId;
fn prepaint(&mut self, view_state: &mut V, cx: &mut ViewContext<V>);
fn paint(&mut self, view_state: &mut V, cx: &mut ViewContext<V>);
fn measure(
&mut self,
@ -208,36 +199,6 @@ where
};
}
fn prepaint(&mut self, view_state: &mut V, cx: &mut ViewContext<V>) {
self.phase = match mem::take(&mut self.phase) {
ElementRenderPhase::LayoutRequested {
layout_id,
mut frame_state,
}
| ElementRenderPhase::LayoutComputed {
layout_id,
mut frame_state,
..
} => {
let bounds = cx.layout_bounds(layout_id);
if let Some(id) = self.element.id() {
cx.with_element_state(id, |element_state, cx| {
let mut element_state = element_state.unwrap();
self.element
.prepaint(bounds, view_state, &mut element_state, cx);
((), element_state)
});
} else {
self.element
.prepaint(bounds, view_state, frame_state.as_mut().unwrap(), cx);
}
ElementRenderPhase::Painted
}
_ => panic!("must call layout before paint"),
};
}
fn measure(
&mut self,
available_space: Size<AvailableSpace>,
@ -322,10 +283,6 @@ impl<V> AnyElement<V> {
self.0.paint(view_state, cx)
}
pub fn prepaint(&mut self, view_state: &mut V, cx: &mut ViewContext<V>) {
self.0.prepaint(view_state, cx)
}
/// Initializes this element and performs layout within the given available space to determine its size.
pub fn measure(
&mut self,
@ -419,16 +376,6 @@ where
rendered_element.layout(view_state, cx)
}
fn prepaint(
&mut self,
_bounds: Bounds<Pixels>,
view_state: &mut V,
rendered_element: &mut Self::ElementState,
cx: &mut ViewContext<V>,
) {
rendered_element.prepaint(view_state, cx)
}
fn paint(
&mut self,
_bounds: Bounds<Pixels>,

View file

@ -265,16 +265,6 @@ where
})
}
fn prepaint(
&mut self,
bounds: Bounds<Pixels>,
view_state: &mut V,
element_state: &mut Self::ElementState,
cx: &mut ViewContext<V>,
) {
todo!()
}
fn paint(
&mut self,
bounds: Bounds<Pixels>,

View file

@ -94,15 +94,6 @@ where
self.base.layout(view_state, element_state, cx)
}
fn prepaint(
&mut self,
bounds: Bounds<Pixels>,
view_state: &mut V,
element_state: &mut Self::ElementState,
cx: &mut ViewContext<V>,
) {
}
fn paint(
&mut self,
bounds: Bounds<Pixels>,

View file

@ -274,9 +274,7 @@ pub trait InteractiveComponent<V: 'static> {
}
}
pub trait StatefulInteractiveComponent<V: 'static> {
fn interactivity(&mut self) -> &mut StatefulInteractivity<V>;
pub trait StatefulInteractiveComponent<V: 'static>: InteractiveComponent<V> {
fn active(mut self, f: impl FnOnce(StyleRefinement) -> StyleRefinement) -> Self
where
Self: Sized,
@ -525,23 +523,14 @@ pub struct FocusEvent {
}
pub struct Node<V> {
style: StyleRefinement,
key_context: KeyContext,
interactivity: Interactivity<V>,
children: Vec<AnyElement<V>>,
}
impl<V> Node<V> {
fn compute_style(&self) -> Style {
let mut style = Style::default();
style.refine(&self.style);
style
}
}
impl<V> Styled for Node<V> {
fn style(&mut self) -> &mut StyleRefinement {
&mut self.style
&mut self.interactivity.base_style
}
}
@ -582,7 +571,7 @@ impl<V: 'static> Element<V> for Node<V> {
element_state: &mut Self::ElementState,
cx: &mut ViewContext<V>,
) -> crate::LayoutId {
let style = self.compute_style();
let style = self.interactivity().compute_style(None, cx);
style.with_text_style(cx, |cx| {
element_state.child_layout_ids = self
.children
@ -593,20 +582,6 @@ impl<V: 'static> Element<V> for Node<V> {
})
}
fn prepaint(
&mut self,
bounds: Bounds<Pixels>,
view_state: &mut V,
_: &mut Self::ElementState,
cx: &mut ViewContext<V>,
) {
for child in &mut self.children {
child.prepaint(view_state, cx);
}
self.interactivity
.refine_style(&mut self.style, bounds, view_state, cx);
}
fn paint(
&mut self,
bounds: Bounds<Pixels>,
@ -614,7 +589,7 @@ impl<V: 'static> Element<V> for Node<V> {
element_state: &mut Self::ElementState,
cx: &mut ViewContext<V>,
) {
let style = self.compute_style();
let style = self.interactivity.compute_style(Some(bounds), cx);
if style.visibility == Visibility::Hidden {
return;
}
@ -671,12 +646,37 @@ impl<V: 'static> Element<V> for Node<V> {
}
}
pub struct ComputedStyle {
base: StyleRefinement,
focus: StyleRefinement,
hover: StyleRefinement,
active: StyleRefinement,
}
pub struct StyleCascade {
pub base: StyleRefinement,
pub focus: StyleRefinement,
pub hover: StyleRefinement,
pub dragged_over: StyleRefinement,
pub active: StyleRefinement,
}
pub struct Interactivity<V> {
pub active: bool,
pub group_active: bool,
pub hovered: bool,
pub group_hovered: bool,
pub focused: bool,
pub scroll_offset: Point<Pixels>,
pub base_style: StyleRefinement,
pub focus_style: StyleRefinement,
pub hover_style: StyleRefinement,
pub group_hover_style: Option<GroupStyle>,
pub active_style: StyleRefinement,
pub group_active_style: Option<GroupStyle>,
pub drag_over_styles: SmallVec<[(TypeId, StyleRefinement); 2]>,
pub group_drag_over_styles: SmallVec<[(TypeId, GroupStyle); 2]>,
group: Option<SharedString>,
pub group: Option<SharedString>,
pub dispatch_context: KeyContext,
pub mouse_down_listeners: SmallVec<[MouseDownListener<V>; 2]>,
pub mouse_up_listeners: SmallVec<[MouseUpListener<V>; 2]>,
@ -685,49 +685,68 @@ pub struct Interactivity<V> {
pub key_down_listeners: SmallVec<[KeyDownListener<V>; 2]>,
pub key_up_listeners: SmallVec<[KeyUpListener<V>; 2]>,
pub action_listeners: SmallVec<[(TypeId, ActionListener<V>); 8]>,
drop_listeners: SmallVec<[(TypeId, Box<DropListener<V>>); 2]>,
scroll_offset: Point<Pixels>,
pub drop_listeners: SmallVec<[(TypeId, Box<DropListener<V>>); 2]>,
pub click_listeners: SmallVec<[ClickListener<V>; 2]>,
pub drag_listener: Option<DragListener<V>>,
pub hover_listener: Option<HoverListener<V>>,
pub tooltip_builder: Option<TooltipBuilder<V>>,
}
impl<V: 'static> Interactivity<V> {
fn refine_style(
&self,
style: &mut StyleRefinement,
bounds: Bounds<Pixels>,
cx: &mut ViewContext<V>,
) {
let mouse_position = cx.mouse_position();
if let Some(group_hover) = self.group_hover_style.as_ref() {
if let Some(group_bounds) = GroupBounds::get(&group_hover.group, cx) {
if group_bounds.contains_point(&mouse_position) {
style.refine(&group_hover.style);
}
}
}
if bounds.contains_point(&mouse_position) {
style.refine(&self.hover_style);
fn compute_style(&self, bounds: Option<Bounds<Pixels>>, cx: &mut ViewContext<V>) -> Style {
let mut style = Style::default();
style.refine(&self.base_style);
if self.focused {
style.refine(&self.focus_style);
}
if let Some(drag) = cx.active_drag.take() {
for (state_type, group_drag_style) in &self.group_drag_over_styles {
if let Some(group_bounds) = GroupBounds::get(&group_drag_style.group, cx) {
if *state_type == drag.view.entity_type()
&& group_bounds.contains_point(&mouse_position)
{
style.refine(&group_drag_style.style);
if let Some(bounds) = bounds {
let mouse_position = cx.mouse_position();
if let Some(group_hover) = self.group_hover_style.as_ref() {
if let Some(group_bounds) = GroupBounds::get(&group_hover.group, cx) {
if group_bounds.contains_point(&mouse_position) {
style.refine(&group_hover.style);
}
}
}
for (state_type, drag_over_style) in &self.drag_over_styles {
if *state_type == drag.view.entity_type() && bounds.contains_point(&mouse_position)
{
style.refine(drag_over_style);
}
if bounds.contains_point(&mouse_position) {
style.refine(&self.hover_style);
}
cx.active_drag = Some(drag);
if let Some(drag) = cx.active_drag.take() {
for (state_type, group_drag_style) in &self.group_drag_over_styles {
if let Some(group_bounds) = GroupBounds::get(&group_drag_style.group, cx) {
if *state_type == drag.view.entity_type()
&& group_bounds.contains_point(&mouse_position)
{
style.refine(&group_drag_style.style);
}
}
}
for (state_type, drag_over_style) in &self.drag_over_styles {
if *state_type == drag.view.entity_type()
&& bounds.contains_point(&mouse_position)
{
style.refine(drag_over_style);
}
}
cx.active_drag = Some(drag);
}
}
if self.group_active {
if let Some(group) = self.group_active_style.as_ref() {
style.refine(&group.style)
}
}
if self.active {
style.refine(&self.active_style)
}
style
}
fn paint(&mut self, bounds: Bounds<Pixels>, cx: &mut ViewContext<V>) {
@ -863,32 +882,15 @@ impl<V: 'static, E: InteractiveComponent<V>> InteractiveComponent<V> for Focusab
impl<V: 'static, E: StatefulInteractiveComponent<V>> StatefulInteractiveComponent<V>
for Focusable<V, E>
{
fn interactivity(&mut self) -> &mut StatefulInteractivity<V> {
self.element.interactivity()
}
}
pub struct Stateful<V, E> {
id: SharedString,
interactivity: StatefulInteractivity<V>,
view_type: PhantomData<V>,
element: E,
}
pub struct StatefulInteractivity<V> {
click_listeners: SmallVec<[ClickListener<V>; 2]>,
active_style: StyleRefinement,
group_active_style: Option<GroupStyle>,
drag_listener: Option<DragListener<V>>,
hover_listener: Option<HoverListener<V>>,
tooltip_builder: Option<TooltipBuilder<V>>,
}
impl<V: 'static, E> StatefulInteractiveComponent<V> for Stateful<V, E> {
fn interactivity(&mut self) -> &mut StatefulInteractivity<V> {
&mut self.interactivity
}
}
impl<V: 'static, E: InteractiveComponent<V>> StatefulInteractiveComponent<V> for Stateful<V, E> {}
impl<V: 'static, E: InteractiveComponent<V>> InteractiveComponent<V> for Stateful<V, E> {
fn interactivity(&mut self) -> &mut Interactivity<V> {

View file

@ -84,15 +84,6 @@ where
self.base.layout(view_state, element_state, cx)
}
fn prepaint(
&mut self,
bounds: Bounds<Pixels>,
view_state: &mut V,
element_state: &mut Self::ElementState,
cx: &mut ViewContext<V>,
) {
}
fn paint(
&mut self,
bounds: Bounds<Pixels>,

View file

@ -121,15 +121,6 @@ impl<V: 'static> Element<V> for Text<V> {
layout_id
}
fn prepaint(
&mut self,
bounds: Bounds<Pixels>,
view_state: &mut V,
element_state: &mut Self::ElementState,
cx: &mut ViewContext<V>,
) {
}
fn paint(
&mut self,
bounds: Bounds<Pixels>,

View file

@ -152,16 +152,6 @@ impl<V: 'static> Element<V> for UniformList<V> {
)
}
fn prepaint(
&mut self,
bounds: Bounds<Pixels>,
view_state: &mut V,
element_state: &mut Self::ElementState,
cx: &mut ViewContext<V>,
) {
todo!()
}
fn paint(
&mut self,
bounds: crate::Bounds<crate::Pixels>,

View file

@ -147,7 +147,6 @@ pub struct AnyView {
model: AnyModel,
initialize: fn(&AnyView, &mut WindowContext) -> AnyBox,
layout: fn(&AnyView, &mut AnyBox, &mut WindowContext) -> LayoutId,
prepaint: fn(&AnyView, &mut AnyBox, &mut WindowContext),
paint: fn(&AnyView, &mut AnyBox, &mut WindowContext),
}
@ -157,7 +156,6 @@ impl AnyView {
model: self.model.downgrade(),
initialize: self.initialize,
layout: self.layout,
prepaint: self.prepaint,
paint: self.paint,
}
}
@ -169,7 +167,6 @@ impl AnyView {
model,
initialize: self.initialize,
layout: self.layout,
prepaint: self.prepaint,
paint: self.paint,
}),
}
@ -201,7 +198,6 @@ impl<V: Render> From<View<V>> for AnyView {
model: value.model.into_any(),
initialize: any_view::initialize::<V>,
layout: any_view::layout::<V>,
prepaint: any_view::prepaint::<V>,
paint: any_view::paint::<V>,
}
}
@ -232,16 +228,6 @@ impl<ParentViewState: 'static> Element<ParentViewState> for AnyView {
(self.layout)(self, rendered_element, cx)
}
fn prepaint(
&mut self,
bounds: Bounds<Pixels>,
view_state: &mut ParentViewState,
rendered_element: &mut Self::ElementState,
cx: &mut ViewContext<ParentViewState>,
) {
(self.prepaint)(self, rendered_element, cx)
}
fn paint(
&mut self,
_bounds: Bounds<Pixels>,
@ -257,7 +243,6 @@ pub struct AnyWeakView {
model: AnyWeakModel,
initialize: fn(&AnyView, &mut WindowContext) -> AnyBox,
layout: fn(&AnyView, &mut AnyBox, &mut WindowContext) -> LayoutId,
prepaint: fn(&AnyView, &mut AnyBox, &mut WindowContext),
paint: fn(&AnyView, &mut AnyBox, &mut WindowContext),
}
@ -268,7 +253,6 @@ impl AnyWeakView {
model,
initialize: self.initialize,
layout: self.layout,
prepaint: self.prepaint,
paint: self.paint,
})
}
@ -280,7 +264,6 @@ impl<V: Render> From<WeakView<V>> for AnyWeakView {
model: view.model.into(),
initialize: any_view::initialize::<V>,
layout: any_view::layout::<V>,
prepaint: any_view::prepaint::<V>,
paint: any_view::paint::<V>,
}
}
@ -326,18 +309,6 @@ mod any_view {
})
}
pub(crate) fn prepaint<V: Render>(
view: &AnyView,
element: &mut Box<dyn Any>,
cx: &mut WindowContext,
) {
cx.with_element_id(view.model.entity_id, |_, cx| {
let view = view.clone().downcast::<V>().unwrap();
let element = element.downcast_mut::<AnyElement<V>>().unwrap();
view.update(cx, |view, cx| element.prepaint(view, cx))
})
}
pub(crate) fn paint<V: Render>(
view: &AnyView,
element: &mut Box<dyn Any>,