Detailed changes
@@ -28,7 +28,8 @@ pub fn init(cx: &mut AppContext) {
cx.add_action(ContextMenu::cancel);
}
-type ContextMenuItemBuilder = Box<dyn Fn(&mut MouseState, &theme::ContextMenuItem) -> ElementBox>;
+type ContextMenuItemBuilder =
+ Box<dyn Fn(&mut MouseState, &theme::ContextMenuItem) -> ElementBox>;
pub enum ContextMenuItemLabel {
String(Cow<'static, str>),
@@ -4,7 +4,7 @@ use super::{
};
use crate::{Anchor, ExcerptId, ExcerptRange, ToPoint as _};
use collections::{Bound, HashMap, HashSet};
-use gpui::{fonts::HighlightStyle, ElementBox, RenderContext};
+use gpui::{fonts::HighlightStyle, RenderContext, ElementBox};
use language::{BufferSnapshot, Chunk, Patch, Point};
use parking_lot::Mutex;
use std::{
@@ -45,15 +45,15 @@ use crate::{
executor::{self, Task},
keymap_matcher::{self, Binding, KeymapContext, KeymapMatcher, Keystroke, MatchResult},
platform::{
- self, Appearance, KeyDownEvent, KeyUpEvent, ModifiersChangedEvent, MouseButton,
+ self, Appearance, FontSystem, KeyDownEvent, KeyUpEvent, ModifiersChangedEvent, MouseButton,
PathPromptOptions, Platform, PromptLevel, WindowBounds, WindowOptions,
},
util::post_inc,
window::{Window, WindowContext},
- AssetCache, AssetSource, ClipboardItem, FontCache, MouseRegionId, TextLayoutCache,
+ AssetCache, AssetSource, ClipboardItem, FontCache, MouseRegionId,
};
-use self::ref_counts::RefCounts;
+use self::{ref_counts::RefCounts, window::RenderedView};
pub trait Entity: 'static {
type Event;
@@ -69,7 +69,7 @@ pub trait Entity: 'static {
pub trait View: Entity + Sized {
fn ui_name() -> &'static str;
- fn render(&mut self, cx: &mut RenderContext<'_, Self>) -> ElementBox;
+ fn render(&mut self, cx: &mut RenderContext<'_, Self>) -> ElementBox<Self>;
fn focus_in(&mut self, _: AnyViewHandle, _: &mut ViewContext<Self>) {}
fn focus_out(&mut self, _: AnyViewHandle, _: &mut ViewContext<Self>) {}
fn key_down(&mut self, _: &KeyDownEvent, _: &mut ViewContext<Self>) -> bool {
@@ -516,12 +516,13 @@ pub struct AppContext {
element_states: HashMap<ElementStateId, Box<dyn Any>>,
background: Arc<executor::Background>,
ref_counts: Arc<Mutex<RefCounts>>,
- font_cache: Arc<FontCache>,
- platform: Arc<dyn Platform>,
weak_self: Option<rc::Weak<RefCell<Self>>>,
+ platform: Arc<dyn Platform>,
foreground_platform: Rc<dyn platform::ForegroundPlatform>,
- assets: Arc<AssetCache>,
+ pub asset_cache: Arc<AssetCache>,
+ font_system: Arc<dyn FontSystem>,
+ pub font_cache: Arc<FontCache>,
action_deserializers: HashMap<&'static str, (TypeId, DeserializeActionCallback)>,
capture_actions: HashMap<TypeId, HashMap<TypeId, Vec<Box<ActionCallback>>>>,
// Entity Types -> { Action Types -> Action Handlers }
@@ -577,12 +578,13 @@ impl AppContext {
element_states: Default::default(),
ref_counts: Arc::new(Mutex::new(ref_counts)),
background,
- font_cache,
- platform,
weak_self: None,
+ font_system: platform.fonts(),
+ platform,
foreground_platform,
- assets: Arc::new(AssetCache::new(asset_source)),
+ font_cache,
+ asset_cache: Arc::new(AssetCache::new(asset_source)),
action_deserializers: Default::default(),
capture_actions: Default::default(),
actions: Default::default(),
@@ -727,7 +729,7 @@ impl AppContext {
window_id: usize,
view_id: usize| {
let action = action.as_any().downcast_ref().unwrap();
- let mut cx = ViewContext::new(cx, window_id, view_id);
+ let mut cx = ViewContext::new(cx, view_id);
handler(
view.as_any_mut()
.downcast_mut()
@@ -805,36 +807,6 @@ impl AppContext {
self.windows.keys().copied()
}
- pub fn window_is_active(&self, window_id: usize) -> bool {
- self.windows
- .get(&window_id)
- .map_or(false, |window| window.is_active)
- }
-
- pub fn window_is_fullscreen(&self, window_id: usize) -> bool {
- self.windows
- .get(&window_id)
- .map_or(false, |window| window.is_fullscreen)
- }
-
- pub fn root_view(&self, window_id: usize) -> Option<AnyViewHandle> {
- self.windows
- .get(&window_id)
- .map(|window| window.root_view.clone())
- }
-
- pub fn root_view_id(&self, window_id: usize) -> Option<usize> {
- self.windows
- .get(&window_id)
- .map(|window| window.root_view.id())
- }
-
- pub fn focused_view_id(&self, window_id: usize) -> Option<usize> {
- self.windows
- .get(&window_id)
- .and_then(|window| window.focused_view_id)
- }
-
pub fn view_ui_name(&self, window_id: usize, view_id: usize) -> Option<&'static str> {
Some(self.views.get(&(window_id, view_id))?.ui_name())
}
@@ -886,57 +858,57 @@ impl AppContext {
self.active_labeled_tasks.values().cloned()
}
- pub fn render_view(&mut self, params: RenderParams) -> Result<ElementBox> {
- let window_id = params.window_id;
- let view_id = params.view_id;
- let mut view = self
- .views
- .remove(&(window_id, view_id))
- .ok_or_else(|| anyhow!("view not found"))?;
- let element = view.render(params, self);
- self.views.insert((window_id, view_id), view);
- Ok(element)
- }
-
- pub fn render_views(
- &mut self,
- window_id: usize,
- titlebar_height: f32,
- appearance: Appearance,
- ) -> HashMap<usize, ElementBox> {
- self.start_frame();
- #[allow(clippy::needless_collect)]
- let view_ids = self
- .views
- .keys()
- .filter_map(|(win_id, view_id)| {
- if *win_id == window_id {
- Some(*view_id)
- } else {
- None
- }
- })
- .collect::<Vec<_>>();
-
- view_ids
- .into_iter()
- .map(|view_id| {
- (
- view_id,
- self.render_view(RenderParams {
- window_id,
- view_id,
- titlebar_height,
- hovered_region_ids: Default::default(),
- clicked_region_ids: None,
- refreshing: false,
- appearance,
- })
- .unwrap(),
- )
- })
- .collect()
- }
+ // pub fn render_view(&mut self, params: RenderParams) -> Result<ElementBox<Self>> {
+ // let window_id = params.window_id;
+ // let view_id = params.view_id;
+ // let mut view = self
+ // .views
+ // .remove(&(window_id, view_id))
+ // .ok_or_else(|| anyhow!("view not found"))?;
+ // let element = view.render(params, self);
+ // self.views.insert((window_id, view_id), view);
+ // Ok(element)
+ // }
+
+ // pub fn render_views(
+ // &mut self,
+ // window_id: usize,
+ // titlebar_height: f32,
+ // appearance: Appearance,
+ // ) -> HashMap<usize, ElementBox> {
+ // self.start_frame();
+ // #[allow(clippy::needless_collect)]
+ // let view_ids = self
+ // .views
+ // .keys()
+ // .filter_map(|(win_id, view_id)| {
+ // if *win_id == window_id {
+ // Some(*view_id)
+ // } else {
+ // None
+ // }
+ // })
+ // .collect::<Vec<_>>();
+
+ // view_ids
+ // .into_iter()
+ // .map(|view_id| {
+ // (
+ // view_id,
+ // self.render_view(RenderParams {
+ // window_id,
+ // view_id,
+ // titlebar_height,
+ // hovered_region_ids: Default::default(),
+ // clicked_region_ids: None,
+ // refreshing: false,
+ // appearance,
+ // })
+ // .unwrap(),
+ // )
+ // })
+ // .collect()
+ // }
pub(crate) fn start_frame(&mut self) {
self.frame_count += 1;
@@ -1464,73 +1436,6 @@ impl AppContext {
self.keystroke_matcher.clear_bindings();
}
- pub fn dispatch_key_down(&mut self, window_id: usize, event: &KeyDownEvent) -> bool {
- if let Some(focused_view_id) = self.focused_view_id(window_id) {
- for view_id in self
- .ancestors(window_id, focused_view_id)
- .collect::<Vec<_>>()
- {
- if let Some(mut view) = self.views.remove(&(window_id, view_id)) {
- let handled = view.key_down(event, self, window_id, view_id);
- self.views.insert((window_id, view_id), view);
- if handled {
- return true;
- }
- } else {
- log::error!("view {} does not exist", view_id)
- }
- }
- }
-
- false
- }
-
- pub fn dispatch_key_up(&mut self, window_id: usize, event: &KeyUpEvent) -> bool {
- if let Some(focused_view_id) = self.focused_view_id(window_id) {
- for view_id in self
- .ancestors(window_id, focused_view_id)
- .collect::<Vec<_>>()
- {
- if let Some(mut view) = self.views.remove(&(window_id, view_id)) {
- let handled = view.key_up(event, self, window_id, view_id);
- self.views.insert((window_id, view_id), view);
- if handled {
- return true;
- }
- } else {
- log::error!("view {} does not exist", view_id)
- }
- }
- }
-
- false
- }
-
- pub fn dispatch_modifiers_changed(
- &mut self,
- window_id: usize,
- event: &ModifiersChangedEvent,
- ) -> bool {
- if let Some(focused_view_id) = self.focused_view_id(window_id) {
- for view_id in self
- .ancestors(window_id, focused_view_id)
- .collect::<Vec<_>>()
- {
- if let Some(mut view) = self.views.remove(&(window_id, view_id)) {
- let handled = view.modifiers_changed(event, self, window_id, view_id);
- self.views.insert((window_id, view_id), view);
- if handled {
- return true;
- }
- } else {
- log::error!("view {} does not exist", view_id)
- }
- }
- }
-
- false
- }
-
pub fn default_global<T: 'static + Default>(&mut self) -> &T {
let type_id = TypeId::of::<T>();
self.update(|this| {
@@ -1748,17 +1653,8 @@ impl AppContext {
window_id,
}));
- let mut window = Window::new(
- window_id,
- root_view,
- platform_window,
- self.font_cache.clone(),
- TextLayoutCache::new(self.platform.fonts()),
- self.assets.clone(),
- self,
- );
-
- let scene = WindowContext::new(self, &mut window, window_id).build_scene(false);
+ let mut window = Window::new(window_id, root_view, platform_window, self);
+ let scene = WindowContext::new(self, &mut window, window_id).build_scene();
window.platform_window.present_scene(scene);
window
}
@@ -1807,7 +1703,7 @@ impl AppContext {
let view_id = post_inc(&mut this.next_entity_id);
// Make sure we can tell child views about their parent
this.parents.insert((window_id, view_id), parent_id);
- let mut cx = ViewContext::new(this, window_id, view_id);
+ let mut cx = ViewContext::new(this, view_id);
let handle = if let Some(view) = build_view(&mut cx) {
this.views.insert((window_id, view_id), Box::new(view));
if let Some(window) = this.windows.get_mut(&window_id) {
@@ -2108,7 +2004,7 @@ impl AppContext {
if let Some(mut invalidation) = cx.window.invalidation.take() {
let appearance = cx.window.platform_window.appearance();
cx.invalidate(&mut invalidation, appearance);
- let scene = cx.build_scene(false);
+ let scene = cx.build_scene();
cx.window.platform_window.present_scene(scene);
}
});
@@ -2181,7 +2077,8 @@ impl AppContext {
self.update_window(window_id, |cx| {
let mut invalidation = cx.window.invalidation.take().unwrap_or_default();
cx.invalidate(&mut invalidation, cx.window.platform_window.appearance());
- let scene = cx.build_scene(true);
+ cx.refreshing = true;
+ let scene = cx.build_scene();
cx.window.platform_window.present_scene(scene);
});
}
@@ -2275,78 +2172,76 @@ impl AppContext {
return;
}
- self.update(|this| {
- let window = this.windows.get_mut(&window_id)?;
- window.is_active = active;
-
- //Handle focus
- let focused_id = window.focused_view_id?;
- for view_id in this.ancestors(window_id, focused_id).collect::<Vec<_>>() {
- if let Some(mut view) = this.views.remove(&(window_id, view_id)) {
- if active {
- view.focus_in(this, window_id, view_id, focused_id);
- } else {
- view.focus_out(this, window_id, view_id, focused_id);
- }
- this.views.insert((window_id, view_id), view);
+ self.update(|cx| {
+ cx.update_window(window_id, |cx| {
+ let focused_id = cx.window.focused_view_id?;
+ for view_id in cx.ancestors(window_id, focused_id).collect::<Vec<_>>() {
+ cx.update_any_view(focused_id, |view, cx| {
+ if active {
+ view.focus_in(focused_id, cx, view_id);
+ } else {
+ view.focus_out(focused_id, cx, view_id);
+ }
+ });
}
- }
+ });
- let mut observations = this.window_activation_observations.clone();
- observations.emit(window_id, this, |callback, this| callback(active, this));
+ let mut observations = cx.window_activation_observations.clone();
+ observations.emit(window_id, cx, |callback, this| callback(active, this));
Some(())
});
}
fn handle_focus_effect(&mut self, window_id: usize, focused_id: Option<usize>) {
- if self
- .windows
- .get(&window_id)
- .map(|w| w.focused_view_id)
- .map_or(false, |cur_focused| cur_focused == focused_id)
- {
- return;
- }
-
- self.update(|this| {
- let blurred_id = this.windows.get_mut(&window_id).and_then(|window| {
- let blurred_id = window.focused_view_id;
- window.focused_view_id = focused_id;
- blurred_id
- });
-
- let blurred_parents = blurred_id
- .map(|blurred_id| this.ancestors(window_id, blurred_id).collect::<Vec<_>>())
- .unwrap_or_default();
- let focused_parents = focused_id
- .map(|focused_id| this.ancestors(window_id, focused_id).collect::<Vec<_>>())
- .unwrap_or_default();
-
- if let Some(blurred_id) = blurred_id {
- for view_id in blurred_parents.iter().copied() {
- if let Some(mut view) = this.views.remove(&(window_id, view_id)) {
- view.focus_out(this, window_id, view_id, blurred_id);
- this.views.insert((window_id, view_id), view);
- }
- }
-
- let mut subscriptions = this.focus_observations.clone();
- subscriptions.emit(blurred_id, this, |callback, this| callback(false, this));
- }
-
- if let Some(focused_id) = focused_id {
- for view_id in focused_parents {
- if let Some(mut view) = this.views.remove(&(window_id, view_id)) {
- view.focus_in(this, window_id, view_id, focused_id);
- this.views.insert((window_id, view_id), view);
- }
- }
-
- let mut subscriptions = this.focus_observations.clone();
- subscriptions.emit(focused_id, this, |callback, this| callback(true, this));
- }
- })
+ todo!()
+ // if self
+ // .windows
+ // .get(&window_id)
+ // .map(|w| w.focused_view_id)
+ // .map_or(false, |cur_focused| cur_focused == focused_id)
+ // {
+ // return;
+ // }
+
+ // self.update(|this| {
+ // let blurred_id = this.windows.get_mut(&window_id).and_then(|window| {
+ // let blurred_id = window.focused_view_id;
+ // window.focused_view_id = focused_id;
+ // blurred_id
+ // });
+
+ // let blurred_parents = blurred_id
+ // .map(|blurred_id| this.ancestors(window_id, blurred_id).collect::<Vec<_>>())
+ // .unwrap_or_default();
+ // let focused_parents = focused_id
+ // .map(|focused_id| this.ancestors(window_id, focused_id).collect::<Vec<_>>())
+ // .unwrap_or_default();
+
+ // if let Some(blurred_id) = blurred_id {
+ // for view_id in blurred_parents.iter().copied() {
+ // if let Some(mut view) = this.views.remove(&(window_id, view_id)) {
+ // view.focus_out(this, window_id, view_id, blurred_id);
+ // this.views.insert((window_id, view_id), view);
+ // }
+ // }
+
+ // let mut subscriptions = this.focus_observations.clone();
+ // subscriptions.emit(blurred_id, this, |callback, this| callback(false, this));
+ // }
+
+ // if let Some(focused_id) = focused_id {
+ // for view_id in focused_parents {
+ // if let Some(mut view) = this.views.remove(&(window_id, view_id)) {
+ // view.focus_in(this, window_id, view_id, focused_id);
+ // this.views.insert((window_id, view_id), view);
+ // }
+ // }
+
+ // let mut subscriptions = this.focus_observations.clone();
+ // subscriptions.emit(focused_id, this, |callback, this| callback(true, this));
+ // }
+ // })
}
fn handle_dispatch_action_from_effect(
@@ -2634,7 +2529,7 @@ impl UpdateView for AppContext {
.remove(&(handle.window_id, handle.view_id))
.expect("circular view update");
- let mut cx = ViewContext::new(this, handle.window_id, handle.view_id);
+ let mut cx = ViewContext::new(this, handle.view_id);
let result = update(
view.as_any_mut()
.downcast_mut()
@@ -2982,64 +2877,68 @@ pub trait AnyView {
cx: &mut AppContext,
) -> Option<Pin<Box<dyn 'static + Future<Output = ()>>>>;
fn ui_name(&self) -> &'static str;
- fn render(&mut self, params: RenderParams, cx: &mut AppContext) -> ElementBox;
- fn focus_in(
+ fn render<'a, 'b>(
+ &mut self,
+ params: RenderParams,
+ cx: &'b mut WindowContext<'a, 'b>,
+ ) -> Box<dyn RenderedView>;
+ fn focus_in<'a, 'b>(
&mut self,
- cx: &mut AppContext,
- window_id: usize,
- view_id: usize,
focused_id: usize,
+ cx: &'b mut WindowContext<'a, 'b>,
+ view_id: usize,
);
- fn focus_out(
+ fn focus_out<'a, 'b>(
&mut self,
- cx: &mut AppContext,
- window_id: usize,
- view_id: usize,
focused_id: usize,
+ cx: &'b mut WindowContext<'a, 'b>,
+ view_id: usize,
);
- fn key_down(
+ fn key_down<'a, 'b>(
&mut self,
event: &KeyDownEvent,
- cx: &mut AppContext,
- window_id: usize,
+ cx: &'b mut WindowContext<'a, 'b>,
view_id: usize,
) -> bool;
- fn key_up(
+ fn key_up<'a, 'b>(
&mut self,
event: &KeyUpEvent,
- cx: &mut AppContext,
- window_id: usize,
+ cx: &'b mut WindowContext<'a, 'b>,
view_id: usize,
) -> bool;
- fn modifiers_changed(
+ fn modifiers_changed<'a, 'b>(
&mut self,
event: &ModifiersChangedEvent,
- cx: &mut AppContext,
- window_id: usize,
+ cx: &'b mut WindowContext<'a, 'b>,
view_id: usize,
) -> bool;
- fn keymap_context(&self, cx: &AppContext) -> KeymapContext;
- fn debug_json(&self, cx: &AppContext) -> serde_json::Value;
+ fn keymap_context<'a, 'b>(&self, cx: &'b mut WindowContext<'a, 'b>) -> KeymapContext;
+ fn debug_json<'a, 'b>(&self, cx: &'b WindowContext<'a, 'b>) -> serde_json::Value;
- fn text_for_range(&self, range: Range<usize>, cx: &AppContext) -> Option<String>;
- fn selected_text_range(&self, cx: &AppContext) -> Option<Range<usize>>;
- fn marked_text_range(&self, cx: &AppContext) -> Option<Range<usize>>;
- fn unmark_text(&mut self, cx: &mut AppContext, window_id: usize, view_id: usize);
- fn replace_text_in_range(
+ fn text_for_range<'a, 'b>(
+ &self,
+ range: Range<usize>,
+ cx: &'b mut WindowContext<'a, 'b>,
+ ) -> Option<String>;
+ fn selected_text_range<'a, 'b>(
+ &self,
+ cx: &'b mut WindowContext<'a, 'b>,
+ ) -> Option<Range<usize>>;
+ fn marked_text_range<'a, 'b>(&self, cx: &'b mut WindowContext<'a, 'b>) -> Option<Range<usize>>;
+ fn unmark_text<'a, 'b>(&mut self, cx: &'b mut WindowContext<'a, 'b>, view_id: usize);
+ fn replace_text_in_range<'a, 'b>(
&mut self,
range: Option<Range<usize>>,
text: &str,
- cx: &mut AppContext,
- window_id: usize,
+ cx: &'b mut WindowContext<'a, 'b>,
view_id: usize,
);
- fn replace_and_mark_text_in_range(
+ fn replace_and_mark_text_in_range<'a, 'b>(
&mut self,
range: Option<Range<usize>>,
new_text: &str,
new_selected_range: Option<Range<usize>>,
- cx: &mut AppContext,
- window_id: usize,
+ cx: &'b mut WindowContext<'a, 'b>,
view_id: usize,
);
fn any_handle(&self, window_id: usize, view_id: usize, cx: &AppContext) -> AnyViewHandle {
@@ -3079,134 +2978,145 @@ where
T::ui_name()
}
- fn render(&mut self, params: RenderParams, cx: &mut AppContext) -> ElementBox {
+ fn render<'a, 'b>(
+ &mut self,
+ params: RenderParams,
+ cx: &mut WindowContext<'a, 'b>,
+ ) -> Box<dyn RenderedView> {
View::render(self, &mut RenderContext::new(params, cx))
}
- fn focus_in(
+ fn focus_in<'a, 'b>(
&mut self,
- cx: &mut AppContext,
- window_id: usize,
+ cx: &mut WindowContext<'a, 'b>,
view_id: usize,
focused_id: usize,
) {
- let mut cx = ViewContext::new(cx, window_id, view_id);
+ let mut cx = ViewContext::new(cx, view_id);
let focused_view_handle: AnyViewHandle = if view_id == focused_id {
cx.handle().into_any()
} else {
let focused_type = cx
.views
- .get(&(window_id, focused_id))
+ .get(&(cx.window_id, focused_id))
.unwrap()
.as_any()
.type_id();
- AnyViewHandle::new(window_id, focused_id, focused_type, cx.ref_counts.clone())
+ AnyViewHandle::new(
+ cx.window_id,
+ focused_id,
+ focused_type,
+ cx.ref_counts.clone(),
+ )
};
View::focus_in(self, focused_view_handle, &mut cx);
}
- fn focus_out(
+ fn focus_out<'a, 'b>(
&mut self,
- cx: &mut AppContext,
- window_id: usize,
+ cx: &mut WindowContext<'a, 'b>,
view_id: usize,
blurred_id: usize,
) {
- let mut cx = ViewContext::new(cx, window_id, view_id);
+ let mut cx = ViewContext::new(cx, view_id);
let blurred_view_handle: AnyViewHandle = if view_id == blurred_id {
cx.handle().into_any()
} else {
let blurred_type = cx
.views
- .get(&(window_id, blurred_id))
+ .get(&(cx.window_id, blurred_id))
.unwrap()
.as_any()
.type_id();
- AnyViewHandle::new(window_id, blurred_id, blurred_type, cx.ref_counts.clone())
+ AnyViewHandle::new(
+ cx.window_id,
+ blurred_id,
+ blurred_type,
+ cx.ref_counts.clone(),
+ )
};
View::focus_out(self, blurred_view_handle, &mut cx);
}
- fn key_down(
+ fn key_down<'a, 'b>(
&mut self,
event: &KeyDownEvent,
- cx: &mut AppContext,
- window_id: usize,
+ cx: &mut WindowContext<'a, 'b>,
view_id: usize,
) -> bool {
- let mut cx = ViewContext::new(cx, window_id, view_id);
+ let mut cx = ViewContext::new(cx, view_id);
View::key_down(self, event, &mut cx)
}
- fn key_up(
+ fn key_up<'a, 'b>(
&mut self,
event: &KeyUpEvent,
- cx: &mut AppContext,
- window_id: usize,
+ cx: &mut WindowContext<'a, 'b>,
view_id: usize,
) -> bool {
- let mut cx = ViewContext::new(cx, window_id, view_id);
+ let mut cx = ViewContext::new(cx, view_id);
View::key_up(self, event, &mut cx)
}
- fn modifiers_changed(
+ fn modifiers_changed<'a, 'b>(
&mut self,
event: &ModifiersChangedEvent,
- cx: &mut AppContext,
- window_id: usize,
+ cx: &mut WindowContext<'a, 'b>,
view_id: usize,
) -> bool {
- let mut cx = ViewContext::new(cx, window_id, view_id);
+ let mut cx = ViewContext::new(cx, view_id);
View::modifiers_changed(self, event, &mut cx)
}
- fn keymap_context(&self, cx: &AppContext) -> KeymapContext {
+ fn keymap_context<'a, 'b>(&self, cx: &mut WindowContext<'a, 'b>) -> KeymapContext {
View::keymap_context(self, cx)
}
- fn debug_json(&self, cx: &AppContext) -> serde_json::Value {
+ fn debug_json<'a, 'b>(&self, cx: &mut WindowContext<'a, 'b>) -> serde_json::Value {
View::debug_json(self, cx)
}
- fn text_for_range(&self, range: Range<usize>, cx: &AppContext) -> Option<String> {
+ fn text_for_range<'a, 'b>(
+ &self,
+ range: Range<usize>,
+ cx: &mut WindowContext<'a, 'b>,
+ ) -> Option<String> {
View::text_for_range(self, range, cx)
}
- fn selected_text_range(&self, cx: &AppContext) -> Option<Range<usize>> {
+ fn selected_text_range<'a, 'b>(&self, cx: &mut WindowContext<'a, 'b>) -> Option<Range<usize>> {
View::selected_text_range(self, cx)
}
- fn marked_text_range(&self, cx: &AppContext) -> Option<Range<usize>> {
+ fn marked_text_range<'a, 'b>(&self, cx: &mut WindowContext<'a, 'b>) -> Option<Range<usize>> {
View::marked_text_range(self, cx)
}
- fn unmark_text(&mut self, cx: &mut AppContext, window_id: usize, view_id: usize) {
- let mut cx = ViewContext::new(cx, window_id, view_id);
+ fn unmark_text<'a, 'b>(&mut self, cx: &mut WindowContext<'a, 'b>, view_id: usize) {
+ let mut cx = ViewContext::new(cx, view_id);
View::unmark_text(self, &mut cx)
}
- fn replace_text_in_range(
+ fn replace_text_in_range<'a, 'b>(
&mut self,
range: Option<Range<usize>>,
text: &str,
- cx: &mut AppContext,
- window_id: usize,
+ cx: &mut WindowContext<'a, 'b>,
view_id: usize,
) {
- let mut cx = ViewContext::new(cx, window_id, view_id);
+ let mut cx = ViewContext::new(cx, view_id);
View::replace_text_in_range(self, range, text, &mut cx)
}
- fn replace_and_mark_text_in_range(
+ fn replace_and_mark_text_in_range<'a, 'b>(
&mut self,
range: Option<Range<usize>>,
new_text: &str,
new_selected_range: Option<Range<usize>>,
- cx: &mut AppContext,
- window_id: usize,
+ cx: &mut WindowContext<'a, 'b>,
view_id: usize,
) {
- let mut cx = ViewContext::new(cx, window_id, view_id);
+ let mut cx = ViewContext::new(cx, view_id);
View::replace_and_mark_text_in_range(self, range, new_text, new_selected_range, &mut cx)
}
}
@@ -3429,25 +3339,41 @@ impl<M> DerefMut for ModelContext<'_, M> {
}
}
-pub struct ViewContext<'a, T: ?Sized> {
- app: &'a mut AppContext,
- window_id: usize,
+pub struct ViewContext<'a, 'b, T: ?Sized> {
+ window_context: WindowContext<'a, 'b>,
view_id: usize,
view_type: PhantomData<T>,
}
-impl<'a, T: View> ViewContext<'a, T> {
- fn new(app: &'a mut AppContext, window_id: usize, view_id: usize) -> Self {
+impl<'a, 'b, T: View> Deref for ViewContext<'a, 'b, T> {
+ type Target = WindowContext<'a, 'b>;
+
+ fn deref(&self) -> &Self::Target {
+ &self.window_context
+ }
+}
+
+impl<'a, 'b, T: View> DerefMut for ViewContext<'a, 'b, T> {
+ fn deref_mut(&mut self) -> &mut Self::Target {
+ &mut self.window_context
+ }
+}
+
+impl<'a, 'b, T: View> ViewContext<'a, 'b, T> {
+ fn new(window_context: &'b mut WindowContext<'a, 'b>, view_id: usize) -> Self {
Self {
- app,
- window_id,
+ window_context,
view_id,
view_type: PhantomData,
}
}
pub fn handle(&self) -> ViewHandle<T> {
- ViewHandle::new(self.window_id, self.view_id, &self.app.ref_counts)
+ ViewHandle::new(
+ self.window_id,
+ self.view_id,
+ &self.window_context.ref_counts,
+ )
}
pub fn weak_handle(&self) -> WeakViewHandle<T> {
@@ -3455,7 +3381,7 @@ impl<'a, T: View> ViewContext<'a, T> {
}
pub fn parent(&self) -> Option<usize> {
- self.app.parent(self.window_id, self.view_id)
+ self.window_context.parent(self.window_id, self.view_id)
}
pub fn window_id(&self) -> usize {
@@ -3467,42 +3393,44 @@ impl<'a, T: View> ViewContext<'a, T> {
}
pub fn foreground(&self) -> &Rc<executor::Foreground> {
- self.app.foreground()
+ self.window_context.foreground()
}
pub fn background_executor(&self) -> &Arc<executor::Background> {
- &self.app.background
+ &self.window_context.background
}
pub fn platform(&self) -> &Arc<dyn Platform> {
- self.app.platform()
+ self.window_context.platform()
}
pub fn prompt_for_paths(
&self,
options: PathPromptOptions,
) -> oneshot::Receiver<Option<Vec<PathBuf>>> {
- self.app.prompt_for_paths(options)
+ self.window_context.prompt_for_paths(options)
}
pub fn prompt_for_new_path(&self, directory: &Path) -> oneshot::Receiver<Option<PathBuf>> {
- self.app.prompt_for_new_path(directory)
+ self.window_context.prompt_for_new_path(directory)
}
pub fn reveal_path(&self, path: &Path) {
- self.app.reveal_path(path)
+ self.window_context.reveal_path(path)
}
pub fn focus(&mut self, handle: &AnyViewHandle) {
- self.app.focus(handle.window_id, Some(handle.view_id));
+ self.window_context
+ .focus(handle.window_id, Some(handle.view_id));
}
pub fn focus_self(&mut self) {
- self.app.focus(self.window_id, Some(self.view_id));
+ self.window_context
+ .focus(self.window_id, Some(self.view_id));
}
pub fn is_self_focused(&self) -> bool {
- self.app.focused_view_id(self.window_id) == Some(self.view_id)
+ self.window.focused_view == Some(self.view_id)
}
pub fn is_child(&self, view: impl Into<AnyViewHandle>) -> bool {
@@ -3516,7 +3444,7 @@ impl<'a, T: View> ViewContext<'a, T> {
}
pub fn blur(&mut self) {
- self.app.focus(self.window_id, None);
+ self.window_context.focus(self.window_id, None);
}
pub fn on_window_should_close<F>(&mut self, mut callback: F)
@@ -3543,7 +3471,7 @@ impl<'a, T: View> ViewContext<'a, T> {
S: Entity,
F: FnOnce(&mut ModelContext<S>) -> S,
{
- self.app.add_model(build_model)
+ self.window_context.add_model(build_model)
}
pub fn add_view<S, F>(&mut self, build_view: F) -> ViewHandle<S>
@@ -3551,7 +3479,7 @@ impl<'a, T: View> ViewContext<'a, T> {
S: View,
F: FnOnce(&mut ViewContext<S>) -> S,
{
- self.app
+ self.window_context
.build_and_insert_view(self.window_id, ParentId::View(self.view_id), |cx| {
Some(build_view(cx))
})
@@ -3563,8 +3491,11 @@ impl<'a, T: View> ViewContext<'a, T> {
S: View,
F: FnOnce(&mut ViewContext<S>) -> Option<S>,
{
- self.app
- .build_and_insert_view(self.window_id, ParentId::View(self.view_id), build_view)
+ self.window_context.build_and_insert_view(
+ self.window_id,
+ ParentId::View(self.view_id),
+ build_view,
+ )
}
pub fn reparent(&mut self, view_handle: &AnyViewHandle) {
@@ -3605,7 +3536,7 @@ impl<'a, T: View> ViewContext<'a, T> {
F: 'static + FnMut(&mut T, H, &E::Event, &mut ViewContext<T>),
{
let subscriber = self.weak_handle();
- self.app
+ self.window_context
.subscribe_internal(handle, move |emitter, event, cx| {
if let Some(subscriber) = subscriber.upgrade(cx) {
subscriber.update(cx, |subscriber, cx| {
@@ -3625,16 +3556,17 @@ impl<'a, T: View> ViewContext<'a, T> {
F: 'static + FnMut(&mut T, H, &mut ViewContext<T>),
{
let observer = self.weak_handle();
- self.app.observe_internal(handle, move |observed, cx| {
- if let Some(observer) = observer.upgrade(cx) {
- observer.update(cx, |observer, cx| {
- callback(observer, observed, cx);
- });
- true
- } else {
- false
- }
- })
+ self.window_context
+ .observe_internal(handle, move |observed, cx| {
+ if let Some(observer) = observer.upgrade(cx) {
+ observer.update(cx, |observer, cx| {
+ callback(observer, observed, cx);
+ });
+ true
+ } else {
+ false
+ }
+ })
}
pub fn observe_global<G, F>(&mut self, mut callback: F) -> Subscription
@@ -3643,7 +3575,7 @@ impl<'a, T: View> ViewContext<'a, T> {
F: 'static + FnMut(&mut T, &mut ViewContext<T>),
{
let observer = self.weak_handle();
- self.app.observe_global::<G, _>(move |cx| {
+ self.window_context.observe_global::<G, _>(move |cx| {
if let Some(observer) = observer.upgrade(cx) {
observer.update(cx, |observer, cx| callback(observer, cx));
}
@@ -3656,7 +3588,7 @@ impl<'a, T: View> ViewContext<'a, T> {
V: View,
{
let observer = self.weak_handle();
- self.app
+ self.window_context
.observe_focus(handle, move |observed, focused, cx| {
if let Some(observer) = observer.upgrade(cx) {
observer.update(cx, |observer, cx| {
@@ -3676,13 +3608,14 @@ impl<'a, T: View> ViewContext<'a, T> {
F: 'static + FnMut(&mut T, &E, &mut ViewContext<T>),
{
let observer = self.weak_handle();
- self.app.observe_release(handle, move |released, cx| {
- if let Some(observer) = observer.upgrade(cx) {
- observer.update(cx, |observer, cx| {
- callback(observer, released, cx);
- });
- }
- })
+ self.window_context
+ .observe_release(handle, move |released, cx| {
+ if let Some(observer) = observer.upgrade(cx) {
+ observer.update(cx, |observer, cx| {
+ callback(observer, released, cx);
+ });
+ }
+ })
}
pub fn observe_actions<F>(&mut self, mut callback: F) -> Subscription
@@ -23,8 +23,8 @@ use crate::{
platform,
platform::{Appearance, Event, InputHandler, KeyDownEvent, Platform},
Action, AnyViewHandle, AppContext, Entity, FontCache, Handle, ModelContext, ModelHandle,
- ReadModelWith, ReadViewWith, RenderContext, Task, UpdateModel, UpdateView, View, ViewContext,
- ViewHandle, WeakHandle,
+ ReadModelWith, ReadViewWith, Task, UpdateModel, UpdateView, View, ViewContext, ViewHandle,
+ WeakHandle,
};
use collections::BTreeMap;
@@ -1,23 +1,20 @@
use crate::{
app::WindowInvalidation,
elements::Element,
- font_cache::FontCache,
geometry::rect::RectF,
json::{self, ToJson},
keymap_matcher::{Keystroke, MatchResult},
platform::{
- self, Appearance, CursorStyle, Event, FontSystem, MouseButton, MouseMovedEvent,
- PromptLevel, WindowBounds,
+ self, Appearance, CursorStyle, Event, KeyDownEvent, KeyUpEvent, ModifiersChangedEvent,
+ MouseButton, MouseMovedEvent, PromptLevel, WindowBounds,
},
scene::{
CursorRegion, MouseClick, MouseDown, MouseDownOut, MouseDrag, MouseEvent, MouseHover,
MouseMove, MouseMoveOut, MouseScrollWheel, MouseUp, MouseUpOut, Scene,
},
text_layout::TextLayoutCache,
- Action, AnyModelHandle, AnyViewHandle, AnyWeakModelHandle, AnyWeakViewHandle, AppContext,
- AssetCache, ElementBox, Entity, ModelHandle, MouseRegion, MouseRegionId, MouseState, ParentId,
- ReadModel, ReadView, RenderContext, RenderParams, SceneBuilder, UpgradeModelHandle,
- UpgradeViewHandle, View, ViewHandle, WeakModelHandle, WeakViewHandle,
+ Action, AnyView, AnyViewHandle, AnyWeakViewHandle, AppContext, ElementBox, MouseRegion,
+ MouseRegionId, RenderParams, SceneBuilder, View,
};
use anyhow::bail;
use collections::{HashMap, HashSet};
@@ -29,11 +26,7 @@ use sqlez::{
bindable::{Bind, Column, StaticColumnCount},
statement::Statement,
};
-use std::{
- marker::PhantomData,
- ops::{Deref, DerefMut, Range},
- sync::Arc,
-};
+use std::ops::{Deref, DerefMut, Range};
use uuid::Uuid;
pub struct Window {
@@ -44,19 +37,17 @@ pub struct Window {
pub(crate) is_fullscreen: bool,
pub(crate) invalidation: Option<WindowInvalidation>,
pub(crate) platform_window: Box<dyn platform::Window>,
- pub(crate) rendered_views: HashMap<usize, ElementBox>,
+ pub(crate) rendered_views: HashMap<usize, Box<dyn RenderedView>>,
+ titlebar_height: f32,
+ appearance: Appearance,
cursor_regions: Vec<CursorRegion>,
mouse_regions: Vec<(MouseRegion, usize)>,
- font_cache: Arc<FontCache>,
- text_layout_cache: TextLayoutCache,
- asset_cache: Arc<AssetCache>,
last_mouse_moved_event: Option<Event>,
hovered_region_ids: HashSet<MouseRegionId>,
clicked_region_ids: HashSet<MouseRegionId>,
clicked_button: Option<MouseButton>,
mouse_position: Vector2F,
- titlebar_height: f32,
- appearance: Appearance,
+ text_layout_cache: TextLayoutCache,
}
impl Window {
@@ -64,9 +55,6 @@ impl Window {
window_id: usize,
root_view: AnyViewHandle,
platform_window: Box<dyn platform::Window>,
- font_cache: Arc<FontCache>,
- text_layout_cache: TextLayoutCache,
- asset_cache: Arc<AssetCache>,
cx: &mut AppContext,
) -> Self {
let focused_view_id = Some(root_view.id());
@@ -83,9 +71,7 @@ impl Window {
rendered_views: cx.render_views(window_id, titlebar_height, appearance),
cursor_regions: Default::default(),
mouse_regions: Default::default(),
- font_cache,
- text_layout_cache,
- asset_cache,
+ text_layout_cache: TextLayoutCache::new(cx.font_system.clone()),
last_mouse_moved_event: None,
hovered_region_ids: Default::default(),
clicked_region_ids: Default::default(),
@@ -100,7 +86,7 @@ impl Window {
pub struct WindowContext<'a: 'b, 'b> {
app_context: &'a mut AppContext,
pub(crate) window: &'b mut Window, // TODO: make this private?
- window_id: usize,
+ pub(crate) window_id: usize,
}
impl Deref for WindowContext<'_, '_> {
@@ -126,9 +112,19 @@ impl<'a: 'b, 'b> WindowContext<'a, 'b> {
}
}
+ pub fn update_any_view<F, T>(&mut self, view_id: usize, f: F) -> Option<T>
+ where
+ F: FnOnce(&mut dyn AnyView, &mut Self) -> T,
+ {
+ let view = self.views.remove(&(self.window_id, view_id))?;
+ let result = f(view.as_any_mut(), self);
+ self.views.insert((self.window_id, view_id), view);
+ Some(result)
+ }
+
pub fn dispatch_keystroke(&mut self, keystroke: &Keystroke) -> bool {
let window_id = self.window_id;
- if let Some(focused_view_id) = self.focused_view_id(window_id) {
+ if let Some(focused_view_id) = self.focused_view_id() {
let dispatch_path = self
.ancestors(window_id, focused_view_id)
.filter_map(|view_id| {
@@ -511,20 +507,71 @@ impl<'a: 'b, 'b> WindowContext<'a, 'b> {
any_event_handled
}
- pub fn build_event_context<'c>(
- &'c mut self,
- notified_views: &'c mut HashSet<usize>,
- ) -> EventContext<'c> {
- EventContext {
- font_cache: &self.window.font_cache,
- text_layout_cache: &self.window.text_layout_cache,
- view_stack: Default::default(),
- notified_views,
- notify_count: 0,
- handled: false,
- window_id: self.window_id,
- app: self,
+ pub fn dispatch_key_down(&mut self, window_id: usize, event: &KeyDownEvent) -> bool {
+ if let Some(focused_view_id) = self.window.focused_view_id {
+ for view_id in self
+ .ancestors(window_id, focused_view_id)
+ .collect::<Vec<_>>()
+ {
+ if let Some(mut view) = self.views.remove(&(window_id, view_id)) {
+ let handled = view.key_down(event, self, view_id);
+ self.views.insert((window_id, view_id), view);
+ if handled {
+ return true;
+ }
+ } else {
+ log::error!("view {} does not exist", view_id)
+ }
+ }
+ }
+
+ false
+ }
+
+ pub fn dispatch_key_up(&mut self, window_id: usize, event: &KeyUpEvent) -> bool {
+ if let Some(focused_view_id) = self.window.fo {
+ for view_id in self
+ .ancestors(window_id, focused_view_id)
+ .collect::<Vec<_>>()
+ {
+ if let Some(mut view) = self.views.remove(&(window_id, view_id)) {
+ let handled = view.key_up(event, self, view_id);
+ self.views.insert((window_id, view_id), view);
+ if handled {
+ return true;
+ }
+ } else {
+ log::error!("view {} does not exist", view_id)
+ }
+ }
+ }
+
+ false
+ }
+
+ pub fn dispatch_modifiers_changed(
+ &mut self,
+ window_id: usize,
+ event: &ModifiersChangedEvent,
+ ) -> bool {
+ if let Some(focused_view_id) = self.window.focused_view_id {
+ for view_id in self
+ .ancestors(window_id, focused_view_id)
+ .collect::<Vec<_>>()
+ {
+ if let Some(mut view) = self.views.remove(&(window_id, view_id)) {
+ let handled = view.modifiers_changed(event, self, view_id);
+ self.views.insert((window_id, view_id), view);
+ if handled {
+ return true;
+ }
+ } else {
+ log::error!("view {} does not exist", view_id)
+ }
+ }
}
+
+ false
}
pub fn invalidate(&mut self, invalidation: &mut WindowInvalidation, appearance: Appearance) {
@@ -593,113 +640,56 @@ impl<'a: 'b, 'b> WindowContext<'a, 'b> {
}
}
- pub fn build_scene(&mut self, refreshing: bool) -> Scene {
+ pub fn build_scene(&mut self) -> Scene {
let window_size = self.window.platform_window.content_size();
let scale_factor = self.window.platform_window.scale_factor();
- let mut scene_builder = SceneBuilder::new(scale_factor);
+ let root_view_id = self.window.root_view.id();
+ let rendered_root = self.window.rendered_views.remove(&root_view_id).unwrap();
+ rendered_root.layout(root_view_id, SizeConstraint::strict(window_size), self);
- if let Some(root_view_id) = self.root_view_id(self.window_id) {
- self.layout(window_size, refreshing, self);
- let mut paint_cx = self.build_paint_context(&mut scene_builder, window_size);
- paint_cx.paint(
- root_view_id,
- Vector2F::zero(),
- RectF::new(Vector2F::zero(), window_size),
- );
- self.window.text_layout_cache.finish_frame();
- let scene = scene_builder.build();
- self.window.cursor_regions = scene.cursor_regions();
- self.window.mouse_regions = scene.mouse_regions();
-
- // window.is_topmost for the mouse moved event's postion?
- if self.window_is_active(self.window_id) {
- if let Some(event) = self.window.last_mouse_moved_event.clone() {
- self.dispatch_event(event, true);
- }
+ let mut scene_builder = SceneBuilder::new(scale_factor);
+ let paint_bounds = RectF::from_points(Vector2F::zero(), window_size);
+ rendered_root.paint(
+ root_view_id,
+ &mut scene_builder,
+ paint_bounds,
+ paint_bounds,
+ self,
+ );
+
+ self.window.text_layout_cache.finish_frame();
+ let scene = scene_builder.build();
+ self.window.cursor_regions = scene.cursor_regions();
+ self.window.mouse_regions = scene.mouse_regions();
+
+ if self.window_is_active() {
+ if let Some(event) = self.window.last_mouse_moved_event.clone() {
+ self.dispatch_event(event, true);
}
-
- scene
- } else {
- log::error!("could not find root_view_id for window {}", self.window_id);
- scene_builder.build()
- }
- }
-
- fn layout(&mut self, window_size: Vector2F, refreshing: bool, cx: &mut AppContext) {
- if let Some(root_view_id) = cx.root_view_id(self.window_id) {
- self.build_layout_context(window_size, refreshing, cx)
- .layout(root_view_id, SizeConstraint::strict(window_size));
}
- }
- pub fn build_layout_context<'c>(
- &'c mut self,
- window_size: Vector2F,
- refreshing: bool,
- cx: &'c mut AppContext,
- ) -> LayoutContext<'c> {
- LayoutContext {
- window_id: self.window_id,
- rendered_views: &mut self.window.rendered_views,
- font_cache: &self.font_cache,
- font_system: cx.platform().fonts(),
- text_layout_cache: &self.window.text_layout_cache,
- asset_cache: &self.window.asset_cache,
- view_stack: Vec::new(),
- refreshing,
- hovered_region_ids: self.window.hovered_region_ids.clone(),
- clicked_region_ids: self
- .window
- .clicked_button
- .map(|button| (self.window.clicked_region_ids.clone(), button)),
- titlebar_height: self.window.titlebar_height,
- appearance: self.window.appearance,
- window_size,
- app: cx,
- }
- }
-
- pub fn build_paint_context<'c>(
- &'c mut self,
- scene: &'c mut SceneBuilder,
- window_size: Vector2F,
- ) -> PaintContext {
- PaintContext {
- scene,
- window_size,
- font_cache: &self.font_cache,
- text_layout_cache: &self.window.text_layout_cache,
- rendered_views: &mut self.window.rendered_views,
- view_stack: Vec::new(),
- app: self,
- }
+ scene
}
pub fn rect_for_text_range(&self, range_utf16: Range<usize>) -> Option<RectF> {
- self.focused_view_id(self.window_id).and_then(|view_id| {
- let cx = MeasurementContext {
- app: self,
- rendered_views: &self.window.rendered_views,
- window_id: self.window_id,
- };
- cx.rect_for_text_range(view_id, range_utf16)
- })
+ todo!()
}
pub fn debug_elements(&self) -> Option<json::Value> {
- let view = self.root_view(self.window_id)?;
- Some(json!({
- "root_view": view.debug_json(self),
- "root_element": self.window.rendered_views.get(&view.id())
- .map(|root_element| {
- root_element.debug(&DebugContext {
- rendered_views: &self.window.rendered_views,
- font_cache: &self.window.font_cache,
- app: self,
- })
- })
- }))
+ todo!()
+ // let view = self.root_view()?;
+ // Some(json!({
+ // "root_view": view.debug_json(self),
+ // "root_element": self.window.rendered_views.get(&view.id())
+ // .map(|root_element| {
+ // root_element.debug(&DebugContext {
+ // rendered_views: &self.window.rendered_views,
+ // font_cache: &self.window.font_cache,
+ // app: self,
+ // })
+ // })
+ // }))
}
pub fn set_window_title(&mut self, title: &str) {
@@ -720,6 +710,26 @@ impl<'a: 'b, 'b> WindowContext<'a, 'b> {
self.window.platform_window.activate();
}
+ pub fn window_is_active(&self) -> bool {
+ self.window.is_active
+ }
+
+ pub fn window_is_fullscreen(&self) -> bool {
+ self.window.is_fullscreen
+ }
+
+ pub fn root_view(&self, window_id: usize) -> &AnyViewHandle {
+ &self.window.root_view
+ }
+
+ pub fn root_view_id(&self) -> usize {
+ self.window.root_view.id()
+ }
+
+ pub fn focused_view_id(&self) -> Option<usize> {
+ self.window.focused_view_id
+ }
+
pub fn window_bounds(&self) -> WindowBounds {
self.window.platform_window.bounds()
}
@@ -754,330 +764,48 @@ impl<'a: 'b, 'b> WindowContext<'a, 'b> {
}
}
-pub struct LayoutContext<'a> {
- window_id: usize,
- rendered_views: &'a mut HashMap<usize, ElementBox>,
- view_stack: Vec<usize>,
- pub font_cache: &'a Arc<FontCache>,
- pub font_system: Arc<dyn FontSystem>,
- pub text_layout_cache: &'a TextLayoutCache,
- pub asset_cache: &'a AssetCache,
- pub app: &'a mut AppContext,
- pub refreshing: bool,
- pub window_size: Vector2F,
- titlebar_height: f32,
- appearance: Appearance,
- hovered_region_ids: HashSet<MouseRegionId>,
- clicked_region_ids: Option<(HashSet<MouseRegionId>, MouseButton)>,
-}
-
-impl<'a> LayoutContext<'a> {
- pub fn mouse_state<Tag: 'static>(&self, region_id: usize) -> MouseState {
- let view_id = self.view_stack.last().unwrap();
-
- let region_id = MouseRegionId::new::<Tag>(*view_id, region_id);
- MouseState {
- hovered: self.hovered_region_ids.contains(®ion_id),
- clicked: self.clicked_region_ids.as_ref().and_then(|(ids, button)| {
- if ids.contains(®ion_id) {
- Some(*button)
- } else {
- None
- }
- }),
- accessed_hovered: false,
- accessed_clicked: false,
- }
- }
-
- fn layout(&mut self, view_id: usize, constraint: SizeConstraint) -> Vector2F {
- let print_error = |view_id| {
- format!(
- "{} with id {}",
- self.app.name_for_view(self.window_id, view_id).unwrap(),
- view_id,
- )
- };
- match (
- self.view_stack.last(),
- self.app.parents.get(&(self.window_id, view_id)),
- ) {
- (Some(layout_parent), Some(ParentId::View(app_parent))) => {
- if layout_parent != app_parent {
- panic!(
- "View {} was laid out with parent {} when it was constructed with parent {}",
- print_error(view_id),
- print_error(*layout_parent),
- print_error(*app_parent))
- }
- }
- (None, Some(ParentId::View(app_parent))) => panic!(
- "View {} was laid out without a parent when it was constructed with parent {}",
- print_error(view_id),
- print_error(*app_parent)
- ),
- (Some(layout_parent), Some(ParentId::Root)) => panic!(
- "View {} was laid out with parent {} when it was constructed as a window root",
- print_error(view_id),
- print_error(*layout_parent),
- ),
- (_, None) => panic!(
- "View {} did not have a registered parent in the app context",
- print_error(view_id),
- ),
- _ => {}
- }
-
- self.view_stack.push(view_id);
- let mut rendered_view = self.rendered_views.remove(&view_id).unwrap();
- let size = rendered_view.layout(constraint, self);
- self.rendered_views.insert(view_id, rendered_view);
- self.view_stack.pop();
- size
- }
-
- pub fn render<F, V, T>(&mut self, handle: &ViewHandle<V>, f: F) -> T
- where
- F: FnOnce(&mut V, &mut RenderContext<V>) -> T,
- V: View,
- {
- handle.update(self.app, |view, cx| {
- let mut render_cx = RenderContext {
- app: cx,
- window_id: handle.window_id(),
- view_id: handle.id(),
- view_type: PhantomData,
- titlebar_height: self.titlebar_height,
- hovered_region_ids: self.hovered_region_ids.clone(),
- clicked_region_ids: self.clicked_region_ids.clone(),
- refreshing: self.refreshing,
- appearance: self.appearance,
- };
- f(view, &mut render_cx)
- })
- }
-}
-
-impl<'a> Deref for LayoutContext<'a> {
- type Target = AppContext;
-
- fn deref(&self) -> &Self::Target {
- self.app
- }
-}
-
-impl<'a> DerefMut for LayoutContext<'a> {
- fn deref_mut(&mut self) -> &mut Self::Target {
- self.app
- }
-}
-
-impl<'a> ReadView for LayoutContext<'a> {
- fn read_view<T: View>(&self, handle: &ViewHandle<T>) -> &T {
- self.app.read_view(handle)
- }
-}
-
-impl<'a> ReadModel for LayoutContext<'a> {
- fn read_model<T: Entity>(&self, handle: &ModelHandle<T>) -> &T {
- self.app.read_model(handle)
- }
-}
-
-impl<'a> UpgradeModelHandle for LayoutContext<'a> {
- fn upgrade_model_handle<T: Entity>(
+pub trait RenderedView {
+ fn layout(
&self,
- handle: &WeakModelHandle<T>,
- ) -> Option<ModelHandle<T>> {
- self.app.upgrade_model_handle(handle)
- }
-
- fn model_handle_is_upgradable<T: Entity>(&self, handle: &WeakModelHandle<T>) -> bool {
- self.app.model_handle_is_upgradable(handle)
- }
-
- fn upgrade_any_model_handle(&self, handle: &AnyWeakModelHandle) -> Option<AnyModelHandle> {
- self.app.upgrade_any_model_handle(handle)
- }
-}
-
-impl<'a> UpgradeViewHandle for LayoutContext<'a> {
- fn upgrade_view_handle<T: View>(&self, handle: &WeakViewHandle<T>) -> Option<ViewHandle<T>> {
- self.app.upgrade_view_handle(handle)
- }
-
- fn upgrade_any_view_handle(&self, handle: &crate::AnyWeakViewHandle) -> Option<AnyViewHandle> {
- self.app.upgrade_any_view_handle(handle)
- }
-}
-
-pub struct PaintContext<'a> {
- rendered_views: &'a mut HashMap<usize, ElementBox>,
- view_stack: Vec<usize>,
- pub window_size: Vector2F,
- pub scene: &'a mut SceneBuilder,
- pub font_cache: &'a FontCache,
- pub text_layout_cache: &'a TextLayoutCache,
- pub app: &'a AppContext,
-}
-
-impl<'a> PaintContext<'a> {
- fn paint(&mut self, view_id: usize, origin: Vector2F, visible_bounds: RectF) {
- if let Some(mut tree) = self.rendered_views.remove(&view_id) {
- self.view_stack.push(view_id);
- tree.paint(origin, visible_bounds, self);
- self.rendered_views.insert(view_id, tree);
- self.view_stack.pop();
- }
- }
-
- #[inline]
- pub fn paint_stacking_context<F>(
- &mut self,
- clip_bounds: Option<RectF>,
- z_index: Option<usize>,
- f: F,
- ) where
- F: FnOnce(&mut Self),
- {
- self.scene.push_stacking_context(clip_bounds, z_index);
- f(self);
- self.scene.pop_stacking_context();
- }
-
- #[inline]
- pub fn paint_layer<F>(&mut self, clip_bounds: Option<RectF>, f: F)
- where
- F: FnOnce(&mut Self),
- {
- self.scene.push_layer(clip_bounds);
- f(self);
- self.scene.pop_layer();
- }
-
- pub fn current_view_id(&self) -> usize {
- *self.view_stack.last().unwrap()
- }
-}
-
-impl<'a> Deref for PaintContext<'a> {
- type Target = AppContext;
-
- fn deref(&self) -> &Self::Target {
- self.app
- }
-}
-
-pub struct EventContext<'a> {
- pub font_cache: &'a FontCache,
- pub text_layout_cache: &'a TextLayoutCache,
- pub app: &'a mut AppContext,
- pub window_id: usize,
- pub notify_count: usize,
- view_stack: Vec<usize>,
- handled: bool,
- notified_views: &'a mut HashSet<usize>,
-}
-
-impl<'a> EventContext<'a> {
- fn with_current_view<F, T>(&mut self, view_id: usize, f: F) -> T
- where
- F: FnOnce(&mut Self) -> T,
- {
- self.view_stack.push(view_id);
- let result = f(self);
- self.view_stack.pop();
- result
- }
-
- pub fn window_id(&self) -> usize {
- self.window_id
- }
-
- pub fn view_id(&self) -> Option<usize> {
- self.view_stack.last().copied()
- }
-
- pub fn is_parent_view_focused(&self) -> bool {
- if let Some(parent_view_id) = self.view_stack.last() {
- self.app.focused_view_id(self.window_id) == Some(*parent_view_id)
- } else {
- false
- }
- }
-
- pub fn focus_parent_view(&mut self) {
- if let Some(parent_view_id) = self.view_stack.last() {
- self.app.focus(self.window_id, Some(*parent_view_id))
- }
- }
-
- pub fn dispatch_any_action(&mut self, action: Box<dyn Action>) {
- self.app
- .dispatch_any_action_at(self.window_id, *self.view_stack.last().unwrap(), action)
- }
-
- pub fn dispatch_action<A: Action>(&mut self, action: A) {
- self.dispatch_any_action(Box::new(action));
- }
-
- pub fn notify(&mut self) {
- self.notify_count += 1;
- if let Some(view_id) = self.view_stack.last() {
- self.notified_views.insert(*view_id);
- }
- }
-
- pub fn notify_count(&self) -> usize {
- self.notify_count
- }
-
- pub fn propagate_event(&mut self) {
- self.handled = false;
- }
-}
-
-impl<'a> Deref for EventContext<'a> {
- type Target = AppContext;
-
- fn deref(&self) -> &Self::Target {
- self.app
- }
-}
-
-impl<'a> DerefMut for EventContext<'a> {
- fn deref_mut(&mut self) -> &mut Self::Target {
- self.app
- }
-}
-
-pub struct MeasurementContext<'a> {
- app: &'a AppContext,
- rendered_views: &'a HashMap<usize, ElementBox>,
- pub window_id: usize,
+ view_id: usize,
+ constraint: SizeConstraint,
+ cx: &mut WindowContext,
+ ) -> Vector2F;
+ fn paint(
+ &self,
+ view_id: usize,
+ scene: &mut SceneBuilder,
+ bounds: RectF,
+ visible_bounds: RectF,
+ cx: &mut WindowContext,
+ );
}
-impl<'a> Deref for MeasurementContext<'a> {
- type Target = AppContext;
-
- fn deref(&self) -> &Self::Target {
- self.app
+impl<V: View> RenderedView for ElementBox<V> {
+ fn layout(
+ &self,
+ view_id: usize,
+ constraint: SizeConstraint,
+ cx: &mut WindowContext,
+ ) -> Vector2F {
+ cx.update_view_for_id(view_id, |view, cx| self.layout(view, constraint, cx))
+ .unwrap()
}
-}
-impl<'a> MeasurementContext<'a> {
- fn rect_for_text_range(&self, view_id: usize, range_utf16: Range<usize>) -> Option<RectF> {
- let element = self.rendered_views.get(&view_id)?;
- element.rect_for_text_range(range_utf16, self)
+ fn paint(
+ &self,
+ view_id: usize,
+ scene: &mut SceneBuilder,
+ bounds: RectF,
+ visible_bounds: RectF,
+ cx: &mut WindowContext,
+ ) {
+ cx.update_view_for_id(view_id, |view, cx| {
+ self.paint(view, scene, bounds, visible_bounds, cx)
+ })
}
}
-pub struct DebugContext<'a> {
- rendered_views: &'a HashMap<usize, ElementBox>,
- pub font_cache: &'a FontCache,
- pub app: &'a AppContext,
-}
-
#[derive(Clone, Copy, Debug, Default, Eq, PartialEq)]
pub enum Axis {
#[default]
@@ -1235,88 +963,88 @@ impl ChildView {
}
}
-impl Element for ChildView {
- type LayoutState = bool;
- type PaintState = ();
-
- fn layout(
- &mut self,
- constraint: SizeConstraint,
- cx: &mut LayoutContext,
- ) -> (Vector2F, Self::LayoutState) {
- if cx.rendered_views.contains_key(&self.view.id()) {
- let size = cx.layout(self.view.id(), constraint);
- (size, true)
- } else {
- log::error!(
- "layout called on a ChildView element whose underlying view was dropped (view_id: {}, name: {:?})",
- self.view.id(),
- self.view_name
- );
- (Vector2F::zero(), false)
- }
- }
-
- fn paint(
- &mut self,
- bounds: RectF,
- visible_bounds: RectF,
- view_is_valid: &mut Self::LayoutState,
- cx: &mut PaintContext,
- ) {
- if *view_is_valid {
- cx.paint(self.view.id(), bounds.origin(), visible_bounds);
- } else {
- log::error!(
- "paint called on a ChildView element whose underlying view was dropped (view_id: {}, name: {:?})",
- self.view.id(),
- self.view_name
- );
- }
- }
-
- fn rect_for_text_range(
- &self,
- range_utf16: Range<usize>,
- _: RectF,
- _: RectF,
- view_is_valid: &Self::LayoutState,
- _: &Self::PaintState,
- cx: &MeasurementContext,
- ) -> Option<RectF> {
- if *view_is_valid {
- cx.rect_for_text_range(self.view.id(), range_utf16)
- } else {
- log::error!(
- "rect_for_text_range called on a ChildView element whose underlying view was dropped (view_id: {}, name: {:?})",
- self.view.id(),
- self.view_name
- );
- None
- }
- }
-
- fn debug(
- &self,
- bounds: RectF,
- _: &Self::LayoutState,
- _: &Self::PaintState,
- cx: &DebugContext,
- ) -> serde_json::Value {
- json!({
- "type": "ChildView",
- "view_id": self.view.id(),
- "bounds": bounds.to_json(),
- "view": if let Some(view) = self.view.upgrade(cx.app) {
- view.debug_json(cx.app)
- } else {
- json!(null)
- },
- "child": if let Some(view) = cx.rendered_views.get(&self.view.id()) {
- view.debug(cx)
- } else {
- json!(null)
- }
- })
- }
-}
+// impl Element for ChildView {
+// type LayoutState = bool;
+// type PaintState = ();
+
+// fn layout(
+// &mut self,
+// constraint: SizeConstraint,
+// cx: &mut LayoutContext,
+// ) -> (Vector2F, Self::LayoutState) {
+// if cx.rendered_views.contains_key(&self.view.id()) {
+// let size = cx.layout(self.view.id(), constraint);
+// (size, true)
+// } else {
+// log::error!(
+// "layout called on a ChildView element whose underlying view was dropped (view_id: {}, name: {:?})",
+// self.view.id(),
+// self.view_name
+// );
+// (Vector2F::zero(), false)
+// }
+// }
+
+// fn paint(
+// &mut self,
+// bounds: RectF,
+// visible_bounds: RectF,
+// view_is_valid: &mut Self::LayoutState,
+// cx: &mut PaintContext,
+// ) {
+// if *view_is_valid {
+// cx.paint(self.view.id(), bounds.origin(), visible_bounds);
+// } else {
+// log::error!(
+// "paint called on a ChildView element whose underlying view was dropped (view_id: {}, name: {:?})",
+// self.view.id(),
+// self.view_name
+// );
+// }
+// }
+
+// fn rect_for_text_range(
+// &self,
+// range_utf16: Range<usize>,
+// _: RectF,
+// _: RectF,
+// view_is_valid: &Self::LayoutState,
+// _: &Self::PaintState,
+// cx: &MeasurementContext,
+// ) -> Option<RectF> {
+// if *view_is_valid {
+// cx.rect_for_text_range(self.view.id(), range_utf16)
+// } else {
+// log::error!(
+// "rect_for_text_range called on a ChildView element whose underlying view was dropped (view_id: {}, name: {:?})",
+// self.view.id(),
+// self.view_name
+// );
+// None
+// }
+// }
+
+// fn debug(
+// &self,
+// bounds: RectF,
+// _: &Self::LayoutState,
+// _: &Self::PaintState,
+// cx: &DebugContext,
+// ) -> serde_json::Value {
+// json!({
+// "type": "ChildView",
+// "view_id": self.view.id(),
+// "bounds": bounds.to_json(),
+// "view": if let Some(view) = self.view.upgrade(cx.app) {
+// view.debug_json(cx.app)
+// } else {
+// json!(null)
+// },
+// "child": if let Some(view) = cx.rendered_views.get(&self.view.id()) {
+// view.debug(cx)
+// } else {
+// json!(null)
+// }
+// })
+// }
+// }
@@ -32,42 +32,52 @@ use crate::{
rect::RectF,
vector::{vec2f, Vector2F},
},
- json, Action, DebugContext, EventContext, LayoutContext, PaintContext, RenderContext,
- SizeConstraint, View,
+ json, Action, RenderContext, SceneBuilder, SizeConstraint, View, ViewContext,
};
use core::panic;
use json::ToJson;
-use std::{
- any::Any,
- borrow::Cow,
- cell::RefCell,
- mem,
- ops::{Deref, DerefMut, Range},
- rc::Rc,
-};
+use std::{any::Any, borrow::Cow, cell::RefCell, marker::PhantomData, mem, ops::Range};
+
+trait AnyElement<V: View> {
+ fn layout(
+ &mut self,
+ view: &mut V,
+ constraint: SizeConstraint,
+ cx: &mut ViewContext<V>,
+ ) -> Vector2F;
+
+ fn paint(
+ &mut self,
+ view: &mut V,
+ scene: &mut SceneBuilder,
+ origin: Vector2F,
+ visible_bounds: RectF,
+ cx: &mut ViewContext<V>,
+ );
-trait AnyElement {
- fn layout(&mut self, constraint: SizeConstraint, cx: &mut LayoutContext) -> Vector2F;
- fn paint(&mut self, origin: Vector2F, visible_bounds: RectF, cx: &mut PaintContext);
fn rect_for_text_range(
&self,
+ view: &V,
range_utf16: Range<usize>,
- cx: &MeasurementContext,
+ cx: &ViewContext<V>,
) -> Option<RectF>;
- fn debug(&self, cx: &DebugContext) -> serde_json::Value;
+
+ fn debug(&self, view: &V, cx: &mut ViewContext<V>) -> serde_json::Value;
fn size(&self) -> Vector2F;
+
fn metadata(&self) -> Option<&dyn Any>;
}
-pub trait Element {
+pub trait Element<V: View> {
type LayoutState;
type PaintState;
fn layout(
&mut self,
constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> (Vector2F, Self::LayoutState);
fn paint(
@@ -75,7 +85,8 @@ pub trait Element {
bounds: RectF,
visible_bounds: RectF,
layout: &mut Self::LayoutState,
- cx: &mut PaintContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> Self::PaintState;
fn rect_for_text_range(
@@ -85,7 +96,8 @@ pub trait Element {
visible_bounds: RectF,
layout: &Self::LayoutState,
paint: &Self::PaintState,
- cx: &MeasurementContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> Option<RectF>;
fn metadata(&self) -> Option<&dyn Any> {
@@ -97,27 +109,28 @@ pub trait Element {
bounds: RectF,
layout: &Self::LayoutState,
paint: &Self::PaintState,
- cx: &DebugContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> serde_json::Value;
- fn boxed(self) -> ElementBox
+ fn boxed(self) -> ElementBox<V>
where
Self: 'static + Sized,
{
- ElementBox(ElementRc {
+ ElementBox {
+ element: RefCell::new(Lifecycle::Init { element: self }),
name: None,
- element: Rc::new(RefCell::new(Lifecycle::Init { element: self })),
- })
+ }
}
- fn named(self, name: impl Into<Cow<'static, str>>) -> ElementBox
+ fn named(self, name: impl Into<Cow<'static, str>>) -> ElementBox<V>
where
Self: 'static + Sized,
{
- ElementBox(ElementRc {
+ ElementBox {
+ element: RefCell::new(Lifecycle::Init { element: self }),
name: Some(name.into()),
- element: Rc::new(RefCell::new(Lifecycle::Init { element: self })),
- })
+ }
}
fn constrained(self) -> ConstrainedBox
@@ -205,44 +218,41 @@ pub trait Element {
}
}
-pub enum Lifecycle<T: Element> {
+pub enum Lifecycle<V: View, E: Element<V>> {
Empty,
Init {
- element: T,
+ element: E,
},
PostLayout {
- element: T,
+ element: E,
constraint: SizeConstraint,
size: Vector2F,
- layout: T::LayoutState,
+ layout: E::LayoutState,
},
PostPaint {
- element: T,
+ element: E,
constraint: SizeConstraint,
bounds: RectF,
visible_bounds: RectF,
- layout: T::LayoutState,
- paint: T::PaintState,
+ layout: E::LayoutState,
+ paint: E::PaintState,
},
}
-pub struct ElementBox(ElementRc);
-
-#[derive(Clone)]
-pub struct ElementRc {
- name: Option<Cow<'static, str>>,
- element: Rc<RefCell<dyn AnyElement>>,
-}
-
-impl<T: Element> AnyElement for Lifecycle<T> {
- fn layout(&mut self, constraint: SizeConstraint, cx: &mut LayoutContext) -> Vector2F {
+impl<V: View, E: Element<V>> AnyElement<V> for Lifecycle<V, E> {
+ fn layout(
+ &mut self,
+ view: &mut V,
+ constraint: SizeConstraint,
+ cx: &mut ViewContext<V>,
+ ) -> Vector2F {
let result;
*self = match mem::take(self) {
Lifecycle::Empty => unreachable!(),
Lifecycle::Init { mut element }
| Lifecycle::PostLayout { mut element, .. }
| Lifecycle::PostPaint { mut element, .. } => {
- let (size, layout) = element.layout(constraint, cx);
+ let (size, layout) = element.layout(view, constraint, cx);
debug_assert!(size.x().is_finite());
debug_assert!(size.y().is_finite());
@@ -258,7 +268,13 @@ impl<T: Element> AnyElement for Lifecycle<T> {
result
}
- fn paint(&mut self, origin: Vector2F, visible_bounds: RectF, cx: &mut PaintContext) {
+ fn paint(
+ &mut self,
+ view: &mut V,
+ origin: Vector2F,
+ visible_bounds: RectF,
+ cx: &mut ViewContext<V>,
+ ) {
*self = match mem::take(self) {
Lifecycle::PostLayout {
mut element,
@@ -267,7 +283,7 @@ impl<T: Element> AnyElement for Lifecycle<T> {
mut layout,
} => {
let bounds = RectF::new(origin, size);
- let paint = element.paint(bounds, visible_bounds, &mut layout, cx);
+ let paint = element.paint(view, bounds, visible_bounds, &mut layout, cx);
Lifecycle::PostPaint {
element,
constraint,
@@ -285,7 +301,7 @@ impl<T: Element> AnyElement for Lifecycle<T> {
..
} => {
let bounds = RectF::new(origin, bounds.size());
- let paint = element.paint(bounds, visible_bounds, &mut layout, cx);
+ let paint = element.paint(view, bounds, visible_bounds, &mut layout, cx);
Lifecycle::PostPaint {
element,
constraint,
@@ -304,8 +320,9 @@ impl<T: Element> AnyElement for Lifecycle<T> {
fn rect_for_text_range(
&self,
+ view: &V,
range_utf16: Range<usize>,
- cx: &MeasurementContext,
+ cx: &mut ViewContext<V>,
) -> Option<RectF> {
if let Lifecycle::PostPaint {
element,
@@ -316,7 +333,15 @@ impl<T: Element> AnyElement for Lifecycle<T> {
..
} = self
{
- element.rect_for_text_range(range_utf16, *bounds, *visible_bounds, layout, paint, cx)
+ element.rect_for_text_range(
+ view,
+ range_utf16,
+ *bounds,
+ *visible_bounds,
+ layout,
+ paint,
+ cx,
+ )
} else {
None
}
@@ -339,7 +364,7 @@ impl<T: Element> AnyElement for Lifecycle<T> {
}
}
- fn debug(&self, cx: &DebugContext) -> serde_json::Value {
+ fn debug(&self, view: &V, cx: &ViewContext<V>) -> serde_json::Value {
match self {
Lifecycle::PostPaint {
element,
@@ -349,7 +374,7 @@ impl<T: Element> AnyElement for Lifecycle<T> {
layout,
paint,
} => {
- let mut value = element.debug(*bounds, layout, paint, cx);
+ let mut value = element.debug(view, *bounds, layout, paint, cx);
if let json::Value::Object(map) = &mut value {
let mut new_map: crate::json::Map<String, serde_json::Value> =
Default::default();
@@ -371,72 +396,67 @@ impl<T: Element> AnyElement for Lifecycle<T> {
}
}
-impl<T: Element> Default for Lifecycle<T> {
+impl<V: View, E: Element<V>> Default for Lifecycle<V, E> {
fn default() -> Self {
Self::Empty
}
}
-impl ElementBox {
+pub struct ElementBox<V: View> {
+ element: RefCell<dyn AnyElement<V>>,
+ view_type: PhantomData<V>,
+ name: Option<Cow<'static, str>>,
+}
+
+impl<V: View> ElementBox<V> {
pub fn name(&self) -> Option<&str> {
self.0.name.as_deref()
}
pub fn metadata<T: 'static>(&self) -> Option<&T> {
- let element = unsafe { &*self.0.element.as_ptr() };
- element.metadata().and_then(|m| m.downcast_ref())
- }
-}
-
-impl Clone for ElementBox {
- fn clone(&self) -> Self {
- ElementBox(self.0.clone())
- }
-}
-
-impl From<ElementBox> for ElementRc {
- fn from(val: ElementBox) -> Self {
- val.0
+ // let element = unsafe { &*self.0.element.as_ptr() };
+ // element.metadata().and_then(|m| m.downcast_ref())
}
-}
-impl Deref for ElementBox {
- type Target = ElementRc;
-
- fn deref(&self) -> &Self::Target {
- &self.0
- }
-}
-
-impl DerefMut for ElementBox {
- fn deref_mut(&mut self) -> &mut Self::Target {
- &mut self.0
- }
-}
-
-impl ElementRc {
- pub fn layout(&mut self, constraint: SizeConstraint, cx: &mut LayoutContext) -> Vector2F {
- self.element.borrow_mut().layout(constraint, cx)
+ pub fn layout(
+ &self,
+ view: &mut V,
+ constraint: SizeConstraint,
+ cx: &mut ViewContext<V>,
+ ) -> Vector2F {
+ self.element.borrow_mut().layout(view, constraint, cx)
}
- pub fn paint(&mut self, origin: Vector2F, visible_bounds: RectF, cx: &mut PaintContext) {
- self.element.borrow_mut().paint(origin, visible_bounds, cx);
+ pub fn paint(
+ &self,
+ view: &mut V,
+ scene: &mut SceneBuilder,
+ origin: Vector2F,
+ visible_bounds: RectF,
+ cx: &mut ViewContext<V>,
+ ) {
+ self.element
+ .borrow_mut()
+ .paint(view, scene, origin, visible_bounds, cx);
}
pub fn rect_for_text_range(
&self,
+ view: &V,
range_utf16: Range<usize>,
- cx: &MeasurementContext,
+ cx: &ViewContext<V>,
) -> Option<RectF> {
- self.element.borrow().rect_for_text_range(range_utf16, cx)
+ self.element
+ .borrow()
+ .rect_for_text_range(view, range_utf16, cx)
}
pub fn size(&self) -> Vector2F {
self.element.borrow().size()
}
- pub fn debug(&self, cx: &DebugContext) -> json::Value {
- let mut value = self.element.borrow().debug(cx);
+ pub fn debug(&self, view: &V, cx: &ViewContext<V>) -> json::Value {
+ let mut value = self.element.borrow().debug(view, cx);
if let Some(name) = &self.name {
if let json::Value::Object(map) = &mut value {
@@ -460,26 +480,26 @@ impl ElementRc {
}
}
-pub trait ParentElement<'a>: Extend<ElementBox> + Sized {
- fn add_children(&mut self, children: impl IntoIterator<Item = ElementBox>) {
+pub trait ParentElement<'a, V: View>: Extend<ElementBox<V>> + Sized {
+ fn add_children(&mut self, children: impl IntoIterator<Item = ElementBox<V>>) {
self.extend(children);
}
- fn add_child(&mut self, child: ElementBox) {
+ fn add_child(&mut self, child: ElementBox<V>) {
self.add_children(Some(child));
}
- fn with_children(mut self, children: impl IntoIterator<Item = ElementBox>) -> Self {
+ fn with_children(mut self, children: impl IntoIterator<Item = ElementBox<V>>) -> Self {
self.add_children(children);
self
}
- fn with_child(self, child: ElementBox) -> Self {
+ fn with_child(self, child: ElementBox<V>) -> Self {
self.with_children(Some(child))
}
}
-impl<'a, T> ParentElement<'a> for T where T: Extend<ElementBox> {}
+impl<'a, V: View, T> ParentElement<'a, V> for T where T: Extend<ElementBox<V>> {}
pub fn constrain_size_preserving_aspect_ratio(max_size: Vector2F, size: Vector2F) -> Vector2F {
if max_size.x().is_infinite() && max_size.y().is_infinite() {
@@ -1,20 +1,18 @@
use crate::{
geometry::{rect::RectF, vector::Vector2F},
- json,
- window::MeasurementContext,
- DebugContext, Element, ElementBox, LayoutContext, PaintContext, SizeConstraint,
+ json, Element, ElementBox, SceneBuilder, SizeConstraint, View, ViewContext,
};
use json::ToJson;
use serde_json::json;
-pub struct Align {
- child: ElementBox,
+pub struct Align<V: View> {
+ child: ElementBox<V>,
alignment: Vector2F,
}
-impl Align {
- pub fn new(child: ElementBox) -> Self {
+impl<V: View> Align<V> {
+ pub fn new(child: ElementBox<V>) -> Self {
Self {
child,
alignment: Vector2F::zero(),
@@ -42,18 +40,19 @@ impl Align {
}
}
-impl Element for Align {
+impl<V: View> Element<V> for Align<V> {
type LayoutState = ();
type PaintState = ();
fn layout(
&mut self,
+ view: &mut V,
mut constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ cx: &mut ViewContext<V>,
) -> (Vector2F, Self::LayoutState) {
let mut size = constraint.max;
constraint.min = Vector2F::zero();
- let child_size = self.child.layout(constraint, cx);
+ let child_size = self.child.layout(view, constraint, cx);
if size.x().is_infinite() {
size.set_x(child_size.x());
}
@@ -65,10 +64,12 @@ impl Element for Align {
fn paint(
&mut self,
+ view: &mut V,
+ scene: &mut SceneBuilder,
bounds: RectF,
visible_bounds: RectF,
_: &mut Self::LayoutState,
- cx: &mut PaintContext,
+ cx: &mut ViewContext<V>,
) -> Self::PaintState {
let my_center = bounds.size() / 2.;
let my_target = my_center + my_center * self.alignment;
@@ -77,6 +78,8 @@ impl Element for Align {
let child_target = child_center + child_center * self.alignment;
self.child.paint(
+ view,
+ scene,
bounds.origin() - (child_target - my_target),
visible_bounds,
cx,
@@ -85,28 +88,30 @@ impl Element for Align {
fn rect_for_text_range(
&self,
+ view: &V,
range_utf16: std::ops::Range<usize>,
_: RectF,
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &MeasurementContext,
+ cx: &ViewContext<V>,
) -> Option<RectF> {
- self.child.rect_for_text_range(range_utf16, cx)
+ self.child.rect_for_text_range(view, range_utf16, cx)
}
fn debug(
&self,
+ view: &V,
bounds: pathfinder_geometry::rect::RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &DebugContext,
+ cx: &ViewContext<V>,
) -> json::Value {
json!({
"type": "Align",
"bounds": bounds.to_json(),
"alignment": self.alignment.to_json(),
- "child": self.child.debug(cx),
+ "child": self.child.debug(view, cx),
})
}
}
@@ -1,8 +1,7 @@
use super::Element;
use crate::{
json::{self, json},
- window::MeasurementContext,
- DebugContext, PaintContext,
+ SceneBuilder, View, ViewContext,
};
use json::ToJson;
use pathfinder_geometry::{
@@ -10,20 +9,20 @@ use pathfinder_geometry::{
vector::{vec2f, Vector2F},
};
-pub struct Canvas<F>(F);
+pub struct Canvas<V, F>(F);
-impl<F> Canvas<F>
+impl<V: View, F> Canvas<V, F>
where
- F: FnMut(RectF, RectF, &mut PaintContext),
+ F: FnMut(&mut SceneBuilder, RectF, RectF, &mut V, &mut ViewContext<V>),
{
pub fn new(f: F) -> Self {
Self(f)
}
}
-impl<F> Element for Canvas<F>
+impl<V, F> Element<V> for Canvas<V, F>
where
- F: FnMut(RectF, RectF, &mut PaintContext),
+ F: FnMut(RectF, RectF, &mut ViewContext<V>),
{
type LayoutState = ();
type PaintState = ();
@@ -48,10 +47,12 @@ where
fn paint(
&mut self,
+ scene: &mut SceneBuilder,
bounds: RectF,
visible_bounds: RectF,
_: &mut Self::LayoutState,
- cx: &mut PaintContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> Self::PaintState {
self.0(bounds, visible_bounds, cx)
}
@@ -63,7 +64,8 @@ where
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- _: &MeasurementContext,
+ _: &V,
+ _: &ViewContext<V>,
) -> Option<RectF> {
None
}
@@ -73,7 +75,8 @@ where
bounds: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- _: &DebugContext,
+ _: &V,
+ _: &ViewContext<V>,
) -> json::Value {
json!({"type": "Canvas", "bounds": bounds.to_json()})
}
@@ -3,42 +3,43 @@ use std::ops::Range;
use pathfinder_geometry::{rect::RectF, vector::Vector2F};
use serde_json::json;
-use crate::{
- json, DebugContext, Element, ElementBox, LayoutContext, MeasurementContext, PaintContext,
- SizeConstraint,
-};
+use crate::{json, Element, ElementBox, SceneBuilder, SizeConstraint, View, ViewContext};
-pub struct Clipped {
- child: ElementBox,
+pub struct Clipped<V: View> {
+ child: ElementBox<V>,
}
-impl Clipped {
- pub fn new(child: ElementBox) -> Self {
+impl<V: View> Clipped<V> {
+ pub fn new(child: ElementBox<V>) -> Self {
Self { child }
}
}
-impl Element for Clipped {
+impl<V: View> Element<V> for Clipped<V> {
type LayoutState = ();
type PaintState = ();
fn layout(
&mut self,
constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> (Vector2F, Self::LayoutState) {
- (self.child.layout(constraint, cx), ())
+ (self.child.layout(constraint, view, cx), ())
}
fn paint(
&mut self,
+ scene: &mut SceneBuilder,
bounds: RectF,
visible_bounds: RectF,
_: &mut Self::LayoutState,
- cx: &mut PaintContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> Self::PaintState {
cx.scene.push_layer(Some(bounds));
- self.child.paint(bounds.origin(), visible_bounds, cx);
+ self.child
+ .paint(scene, bounds.origin(), visible_bounds, view, cx);
cx.scene.pop_layer();
}
@@ -49,9 +50,10 @@ impl Element for Clipped {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &MeasurementContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> Option<RectF> {
- self.child.rect_for_text_range(range_utf16, cx)
+ self.child.rect_for_text_range(range_utf16, view, cx)
}
fn debug(
@@ -59,11 +61,12 @@ impl Element for Clipped {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &DebugContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> json::Value {
json!({
"type": "Clipped",
- "child": self.child.debug(cx)
+ "child": self.child.debug(view, cx)
})
}
}
@@ -5,22 +5,20 @@ use serde_json::json;
use crate::{
geometry::{rect::RectF, vector::Vector2F},
- json,
- window::MeasurementContext,
- DebugContext, Element, ElementBox, LayoutContext, PaintContext, SizeConstraint,
+ json, Element, ElementBox, SceneBuilder, SizeConstraint, View, ViewContext,
};
-pub struct ConstrainedBox {
- child: ElementBox,
- constraint: Constraint,
+pub struct ConstrainedBox<V: View> {
+ child: ElementBox<V>,
+ constraint: Constraint<V>,
}
-pub enum Constraint {
+pub enum Constraint<V: View> {
Static(SizeConstraint),
- Dynamic(Box<dyn FnMut(SizeConstraint, &mut LayoutContext) -> SizeConstraint>),
+ Dynamic(Box<dyn FnMut(SizeConstraint, &mut V, &mut ViewContext<V>) -> SizeConstraint>),
}
-impl ToJson for Constraint {
+impl<V: View> ToJson for Constraint<V> {
fn to_json(&self) -> serde_json::Value {
match self {
Constraint::Static(constraint) => constraint.to_json(),
@@ -29,8 +27,8 @@ impl ToJson for Constraint {
}
}
-impl ConstrainedBox {
- pub fn new(child: ElementBox) -> Self {
+impl<V: View> ConstrainedBox<V> {
+ pub fn new(child: ElementBox<V>) -> Self {
Self {
child,
constraint: Constraint::Static(Default::default()),
@@ -39,7 +37,7 @@ impl ConstrainedBox {
pub fn dynamically(
mut self,
- constraint: impl 'static + FnMut(SizeConstraint, &mut LayoutContext) -> SizeConstraint,
+ constraint: impl 'static + FnMut(SizeConstraint, &mut V, &mut ViewContext<V>) -> SizeConstraint,
) -> Self {
self.constraint = Constraint::Dynamic(Box::new(constraint));
self
@@ -120,41 +118,48 @@ impl ConstrainedBox {
fn constraint(
&mut self,
input_constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> SizeConstraint {
match &mut self.constraint {
Constraint::Static(constraint) => *constraint,
- Constraint::Dynamic(compute_constraint) => compute_constraint(input_constraint, cx),
+ Constraint::Dynamic(compute_constraint) => {
+ compute_constraint(input_constraint, view, cx)
+ }
}
}
}
-impl Element for ConstrainedBox {
+impl<V: View> Element<V> for ConstrainedBox<V> {
type LayoutState = ();
type PaintState = ();
fn layout(
&mut self,
mut parent_constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> (Vector2F, Self::LayoutState) {
- let constraint = self.constraint(parent_constraint, cx);
+ let constraint = self.constraint(parent_constraint, view, cx);
parent_constraint.min = parent_constraint.min.max(constraint.min);
parent_constraint.max = parent_constraint.max.min(constraint.max);
parent_constraint.max = parent_constraint.max.max(parent_constraint.min);
- let size = self.child.layout(parent_constraint, cx);
+ let size = self.child.layout(parent_constraint, view, cx);
(size, ())
}
fn paint(
&mut self,
+ scene: &mut SceneBuilder,
bounds: RectF,
visible_bounds: RectF,
_: &mut Self::LayoutState,
- cx: &mut PaintContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> Self::PaintState {
cx.paint_layer(Some(visible_bounds), |cx| {
- self.child.paint(bounds.origin(), visible_bounds, cx);
+ self.child
+ .paint(scene, bounds.origin(), visible_bounds, view, cx);
})
}
@@ -165,9 +170,10 @@ impl Element for ConstrainedBox {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &MeasurementContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> Option<RectF> {
- self.child.rect_for_text_range(range_utf16, cx)
+ self.child.rect_for_text_range(range_utf16, view, cx)
}
fn debug(
@@ -175,8 +181,9 @@ impl Element for ConstrainedBox {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &DebugContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> json::Value {
- json!({"type": "ConstrainedBox", "assigned_constraint": self.constraint.to_json(), "child": self.child.debug(cx)})
+ json!({"type": "ConstrainedBox", "assigned_constraint": self.constraint.to_json(), "child": self.child.debug(view, cx)})
}
}
@@ -10,8 +10,7 @@ use crate::{
json::ToJson,
platform::CursorStyle,
scene::{self, Border, CursorRegion, Quad},
- window::MeasurementContext,
- Element, ElementBox, LayoutContext, PaintContext, SizeConstraint,
+ Element, ElementBox, SceneBuilder, SizeConstraint, View, ViewContext,
};
use serde::Deserialize;
use serde_json::json;
@@ -36,13 +35,13 @@ pub struct ContainerStyle {
pub cursor: Option<CursorStyle>,
}
-pub struct Container {
- child: ElementBox,
+pub struct Container<V: View> {
+ child: ElementBox<V>,
style: ContainerStyle,
}
-impl Container {
- pub fn new(child: ElementBox) -> Self {
+impl<V: View> Container<V> {
+ pub fn new(child: ElementBox<V>) -> Self {
Self {
child,
style: Default::default(),
@@ -185,14 +184,15 @@ impl Container {
}
}
-impl Element for Container {
+impl<V: View> Element<V> for Container<V> {
type LayoutState = ();
type PaintState = ();
fn layout(
&mut self,
constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> (Vector2F, Self::LayoutState) {
let mut size_buffer = self.margin_size() + self.padding_size();
if !self.style.border.overlay {
@@ -202,16 +202,18 @@ impl Element for Container {
min: (constraint.min - size_buffer).max(Vector2F::zero()),
max: (constraint.max - size_buffer).max(Vector2F::zero()),
};
- let child_size = self.child.layout(child_constraint, cx);
+ let child_size = self.child.layout(child_constraint, view, cx);
(child_size + size_buffer, ())
}
fn paint(
&mut self,
+ scene: &mut SceneBuilder,
bounds: RectF,
visible_bounds: RectF,
_: &mut Self::LayoutState,
- cx: &mut PaintContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> Self::PaintState {
let quad_bounds = RectF::from_points(
bounds.origin() + vec2f(self.style.margin.left, self.style.margin.top),
@@ -247,7 +249,8 @@ impl Element for Container {
corner_radius: self.style.corner_radius,
});
- self.child.paint(child_origin, visible_bounds, cx);
+ self.child
+ .paint(scene, child_origin, visible_bounds, view, cx);
cx.scene.push_layer(None);
cx.scene.push_quad(Quad {
@@ -270,7 +273,8 @@ impl Element for Container {
self.style.border.left_width(),
self.style.border.top_width(),
);
- self.child.paint(child_origin, visible_bounds, cx);
+ self.child
+ .paint(scene, child_origin, visible_bounds, view, cx);
if self.style.overlay_color.is_some() {
cx.scene.push_layer(None);
@@ -292,9 +296,10 @@ impl Element for Container {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &MeasurementContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> Option<RectF> {
- self.child.rect_for_text_range(range_utf16, cx)
+ self.child.rect_for_text_range(range_utf16, view, cx)
}
fn debug(
@@ -302,13 +307,14 @@ impl Element for Container {
bounds: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
+ view: &V,
cx: &crate::DebugContext,
) -> serde_json::Value {
json!({
"type": "Container",
"bounds": bounds.to_json(),
"details": self.style.to_json(),
- "child": self.child.debug(cx),
+ "child": self.child.debug(view, cx),
})
}
}
@@ -6,10 +6,9 @@ use crate::{
vector::{vec2f, Vector2F},
},
json::{json, ToJson},
- window::MeasurementContext,
- DebugContext,
+ SceneBuilder, View, ViewContext,
};
-use crate::{Element, LayoutContext, PaintContext, SizeConstraint};
+use crate::{Element, SizeConstraint};
#[derive(Default)]
pub struct Empty {
@@ -27,14 +26,15 @@ impl Empty {
}
}
-impl Element for Empty {
+impl<V: View> Element<V> for Empty {
type LayoutState = ();
type PaintState = ();
fn layout(
&mut self,
constraint: SizeConstraint,
- _: &mut LayoutContext,
+ _: &V,
+ _: &mut ViewContext<V>,
) -> (Vector2F, Self::LayoutState) {
let x = if constraint.max.x().is_finite() && !self.collapsed {
constraint.max.x()
@@ -52,10 +52,11 @@ impl Element for Empty {
fn paint(
&mut self,
+ _: &mut SceneBuilder,
_: RectF,
_: RectF,
_: &mut Self::LayoutState,
- _: &mut PaintContext,
+ _: &mut ViewContext<V>,
) -> Self::PaintState {
}
@@ -66,7 +67,8 @@ impl Element for Empty {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- _: &MeasurementContext,
+ _: &V,
+ _: &ViewContext<V>,
) -> Option<RectF> {
None
}
@@ -76,7 +78,8 @@ impl Element for Empty {
bounds: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- _: &DebugContext,
+ _: &V,
+ _: &ViewContext<V>,
) -> serde_json::Value {
json!({
"type": "Empty",
@@ -2,20 +2,18 @@ use std::ops::Range;
use crate::{
geometry::{rect::RectF, vector::Vector2F},
- json,
- window::MeasurementContext,
- DebugContext, Element, ElementBox, LayoutContext, PaintContext, SizeConstraint,
+ json, Element, ElementBox, SceneBuilder, SizeConstraint, View, ViewContext,
};
use serde_json::json;
-pub struct Expanded {
- child: ElementBox,
+pub struct Expanded<V: View> {
+ child: ElementBox<V>,
full_width: bool,
full_height: bool,
}
-impl Expanded {
- pub fn new(child: ElementBox) -> Self {
+impl<V: View> Expanded<V> {
+ pub fn new(child: ElementBox<V>) -> Self {
Self {
child,
full_width: true,
@@ -36,14 +34,15 @@ impl Expanded {
}
}
-impl Element for Expanded {
+impl<V: View> Element<V> for Expanded<V> {
type LayoutState = ();
type PaintState = ();
fn layout(
&mut self,
mut constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ view: &mut V,
+ cx: &mut ViewContext<Self>,
) -> (Vector2F, Self::LayoutState) {
if self.full_width {
constraint.min.set_x(constraint.max.x());
@@ -51,18 +50,21 @@ impl Element for Expanded {
if self.full_height {
constraint.min.set_y(constraint.max.y());
}
- let size = self.child.layout(constraint, cx);
+ let size = self.child.layout(constraint, view, cx);
(size, ())
}
fn paint(
&mut self,
+ scene: &mut SceneBuilder,
bounds: RectF,
visible_bounds: RectF,
_: &mut Self::LayoutState,
- cx: &mut PaintContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> Self::PaintState {
- self.child.paint(bounds.origin(), visible_bounds, cx);
+ self.child
+ .paint(scene, bounds.origin(), visible_bounds, view, cx);
}
fn rect_for_text_range(
@@ -72,9 +74,10 @@ impl Element for Expanded {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &MeasurementContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> Option<RectF> {
- self.child.rect_for_text_range(range_utf16, cx)
+ self.child.rect_for_text_range(range_utf16, view, cx)
}
fn debug(
@@ -82,13 +85,14 @@ impl Element for Expanded {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &DebugContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> json::Value {
json!({
"type": "Expanded",
"full_width": self.full_width,
"full_height": self.full_height,
- "child": self.child.debug(cx)
+ "child": self.child.debug(view, cx)
})
}
}
@@ -2,9 +2,8 @@ use std::{any::Any, cell::Cell, f32::INFINITY, ops::Range, rc::Rc};
use crate::{
json::{self, ToJson, Value},
- window::MeasurementContext,
- Axis, DebugContext, Element, ElementBox, ElementStateHandle, LayoutContext, PaintContext,
- RenderContext, SizeConstraint, Vector2FExt, View,
+ Axis, Element, ElementBox, ElementStateHandle, SceneBuilder, SizeConstraint, Vector2FExt, View,
+ ViewContext,
};
use pathfinder_geometry::{
rect::RectF,
@@ -18,14 +17,14 @@ struct ScrollState {
scroll_position: Cell<f32>,
}
-pub struct Flex {
+pub struct Flex<V: View> {
axis: Axis,
- children: Vec<ElementBox>,
+ children: Vec<ElementBox<V>>,
scroll_state: Option<(ElementStateHandle<Rc<ScrollState>>, usize)>,
child_alignment: f32,
}
-impl Flex {
+impl<V: View> Flex<V> {
pub fn new(axis: Axis) -> Self {
Self {
axis,
@@ -52,15 +51,14 @@ impl Flex {
self
}
- pub fn scrollable<Tag, V>(
+ pub fn scrollable<Tag>(
mut self,
element_id: usize,
scroll_to: Option<usize>,
- cx: &mut RenderContext<V>,
+ cx: &mut ViewContext<V>,
) -> Self
where
Tag: 'static,
- V: View,
{
let scroll_state = cx.default_element_state::<Tag, Rc<ScrollState>>(element_id);
scroll_state.read(cx).scroll_to.set(scroll_to);
@@ -75,7 +73,8 @@ impl Flex {
remaining_space: &mut f32,
remaining_flex: &mut f32,
cross_axis_max: &mut f32,
- cx: &mut LayoutContext,
+ view: &V,
+ cx: &mut ViewContext<V>,
) {
let cross_axis = self.axis.invert();
for child in &mut self.children {
@@ -112,20 +111,21 @@ impl Flex {
}
}
-impl Extend<ElementBox> for Flex {
- fn extend<T: IntoIterator<Item = ElementBox>>(&mut self, children: T) {
+impl<V: View> Extend<ElementBox<V>> for Flex<V> {
+ fn extend<T: IntoIterator<Item = ElementBox<V>>>(&mut self, children: T) {
self.children.extend(children);
}
}
-impl Element for Flex {
+impl<V: View> Element<V> for Flex<V> {
type LayoutState = f32;
type PaintState = ();
fn layout(
&mut self,
constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ view: &V,
+ cx: &mut ViewContext<V>,
) -> (Vector2F, Self::LayoutState) {
let mut total_flex = None;
let mut fixed_space = 0.0;
@@ -150,7 +150,7 @@ impl Element for Flex {
vec2f(constraint.max.x(), INFINITY),
),
};
- let size = child.layout(child_constraint, cx);
+ let size = child.layout(child_constraint, view, cx);
fixed_space += size.along(self.axis);
cross_axis_max = cross_axis_max.max(size.along(cross_axis));
}
@@ -168,6 +168,7 @@ impl Element for Flex {
&mut remaining_space,
&mut remaining_flex,
&mut cross_axis_max,
+ view,
cx,
);
self.layout_flex_children(
@@ -176,6 +177,7 @@ impl Element for Flex {
&mut remaining_space,
&mut remaining_flex,
&mut cross_axis_max,
+ view,
cx,
);
@@ -247,10 +249,12 @@ impl Element for Flex {
fn paint(
&mut self,
+ scene: &mut SceneBuilder,
bounds: RectF,
visible_bounds: RectF,
remaining_space: &mut Self::LayoutState,
- cx: &mut PaintContext,
+ view: &V,
+ cx: &mut ViewContext<V>,
) -> Self::PaintState {
let visible_bounds = bounds.intersection(visible_bounds).unwrap_or_default();
@@ -343,7 +347,7 @@ impl Element for Flex {
aligned_child_origin
};
- child.paint(aligned_child_origin, visible_bounds, cx);
+ child.paint(scene, aligned_child_origin, visible_bounds, view, cx);
match self.axis {
Axis::Horizontal => child_origin += vec2f(child.size().x(), 0.0),
@@ -363,11 +367,12 @@ impl Element for Flex {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &MeasurementContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> Option<RectF> {
self.children
.iter()
- .find_map(|child| child.rect_for_text_range(range_utf16.clone(), cx))
+ .find_map(|child| child.rect_for_text_range(view, range_utf16.clone(), cx))
}
fn debug(
@@ -375,13 +380,14 @@ impl Element for Flex {
bounds: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &DebugContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> json::Value {
json!({
"type": "Flex",
"bounds": bounds.to_json(),
"axis": self.axis.to_json(),
- "children": self.children.iter().map(|child| child.debug(cx)).collect::<Vec<json::Value>>()
+ "children": self.children.iter().map(|child| child.debug(view, cx)).collect::<Vec<json::Value>>()
})
}
}
@@ -391,13 +397,13 @@ struct FlexParentData {
float: bool,
}
-pub struct FlexItem {
+pub struct FlexItem<V: View> {
metadata: FlexParentData,
- child: ElementBox,
+ child: ElementBox<V>,
}
-impl FlexItem {
- pub fn new(child: ElementBox) -> Self {
+impl<V: View> FlexItem<V> {
+ pub fn new(child: ElementBox<V>) -> Self {
FlexItem {
metadata: FlexParentData {
flex: None,
@@ -418,14 +424,15 @@ impl FlexItem {
}
}
-impl Element for FlexItem {
+impl<V: View> Element<V> for FlexItem<V> {
type LayoutState = ();
type PaintState = ();
fn layout(
&mut self,
constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ view: &V,
+ cx: &mut ViewContext<V>,
) -> (Vector2F, Self::LayoutState) {
let size = self.child.layout(constraint, cx);
(size, ())
@@ -433,12 +440,15 @@ impl Element for FlexItem {
fn paint(
&mut self,
+ scene: &mut SceneBuilder,
bounds: RectF,
visible_bounds: RectF,
_: &mut Self::LayoutState,
+ view: &V,
cx: &mut PaintContext,
) -> Self::PaintState {
- self.child.paint(bounds.origin(), visible_bounds, cx)
+ self.child
+ .paint(scene, bounds.origin(), visible_bounds, view, cx)
}
fn rect_for_text_range(
@@ -448,9 +458,10 @@ impl Element for FlexItem {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &MeasurementContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> Option<RectF> {
- self.child.rect_for_text_range(range_utf16, cx)
+ self.child.rect_for_text_range(range_utf16, view, cx)
}
fn metadata(&self) -> Option<&dyn Any> {
@@ -462,12 +473,14 @@ impl Element for FlexItem {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &DebugContext,
+ view: &V,
+
+ cx: &ViewContext<V>,
) -> Value {
json!({
"type": "Flexible",
"flex": self.metadata.flex,
- "child": self.child.debug(cx)
+ "child": self.child.debug(view, cx)
})
}
}
@@ -3,17 +3,16 @@ use std::ops::Range;
use crate::{
geometry::{rect::RectF, vector::Vector2F},
json::json,
- window::MeasurementContext,
- DebugContext, Element, ElementBox, LayoutContext, PaintContext, SizeConstraint,
+ Element, ElementBox, SceneBuilder, SizeConstraint, View, ViewContext,
};
-pub struct Hook {
- child: ElementBox,
- after_layout: Option<Box<dyn FnMut(Vector2F, &mut LayoutContext)>>,
+pub struct Hook<V: View> {
+ child: ElementBox<V>,
+ after_layout: Option<Box<dyn FnMut(Vector2F, &mut ViewContext<V>)>>,
}
-impl Hook {
- pub fn new(child: ElementBox) -> Self {
+impl<V: View> Hook<V> {
+ pub fn new(child: ElementBox<V>) -> Self {
Self {
child,
after_layout: None,
@@ -22,23 +21,24 @@ impl Hook {
pub fn on_after_layout(
mut self,
- f: impl 'static + FnMut(Vector2F, &mut LayoutContext),
+ f: impl 'static + FnMut(Vector2F, &mut ViewContext<V>),
) -> Self {
self.after_layout = Some(Box::new(f));
self
}
}
-impl Element for Hook {
+impl<V: View> Element<V> for Hook<V> {
type LayoutState = ();
type PaintState = ();
fn layout(
&mut self,
constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ view: &V,
+ cx: &mut ViewContext<V>,
) -> (Vector2F, Self::LayoutState) {
- let size = self.child.layout(constraint, cx);
+ let size = self.child.layout(constraint, view, cx);
if let Some(handler) = self.after_layout.as_mut() {
handler(size, cx);
}
@@ -47,12 +47,15 @@ impl Element for Hook {
fn paint(
&mut self,
+ scene: &mut SceneBuilder,
bounds: RectF,
visible_bounds: RectF,
_: &mut Self::LayoutState,
- cx: &mut PaintContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) {
- self.child.paint(bounds.origin(), visible_bounds, cx);
+ self.child
+ .paint(scene, bounds.origin(), visible_bounds, view, cx);
}
fn rect_for_text_range(
@@ -62,9 +65,10 @@ impl Element for Hook {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &MeasurementContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> Option<RectF> {
- self.child.rect_for_text_range(range_utf16, cx)
+ self.child.rect_for_text_range(range_utf16, view, cx)
}
fn debug(
@@ -72,11 +76,12 @@ impl Element for Hook {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &DebugContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> serde_json::Value {
json!({
"type": "Hooks",
- "child": self.child.debug(cx),
+ "child": self.child.debug(view, cx),
})
}
}
@@ -5,9 +5,7 @@ use crate::{
vector::{vec2f, Vector2F},
},
json::{json, ToJson},
- scene,
- window::MeasurementContext,
- Border, DebugContext, Element, ImageData, LayoutContext, PaintContext, SizeConstraint,
+ scene, Border, Element, ImageData, SceneBuilder, SizeConstraint, View, ViewContext,
};
use serde::Deserialize;
use std::{ops::Range, sync::Arc};
@@ -57,14 +55,15 @@ impl Image {
}
}
-impl Element for Image {
+impl<V: View> Element<V> for Image {
type LayoutState = Option<Arc<ImageData>>;
type PaintState = ();
fn layout(
&mut self,
constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ view: &V,
+ cx: &mut ViewContext<V>,
) -> (Vector2F, Self::LayoutState) {
let data = match &self.source {
ImageSource::Path(path) => match cx.asset_cache.png(path) {
@@ -91,13 +90,15 @@ impl Element for Image {
fn paint(
&mut self,
+ scene: &mut SceneBuilder,
bounds: RectF,
_: RectF,
layout: &mut Self::LayoutState,
- cx: &mut PaintContext,
+ _: &V,
+ cx: &mut ViewContext<V>,
) -> Self::PaintState {
if let Some(data) = layout {
- cx.scene.push_image(scene::Image {
+ scene.push_image(scene::Image {
bounds,
border: self.style.border,
corner_radius: self.style.corner_radius,
@@ -114,7 +115,8 @@ impl Element for Image {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- _: &MeasurementContext,
+ _: &V,
+ _: &ViewContext<V>,
) -> Option<RectF> {
None
}
@@ -124,7 +126,8 @@ impl Element for Image {
bounds: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- _: &DebugContext,
+ _: &V,
+ _: &ViewContext<V>,
) -> serde_json::Value {
json!({
"type": "Image",
@@ -2,7 +2,7 @@ use crate::{
elements::*,
fonts::TextStyle,
geometry::{rect::RectF, vector::Vector2F},
- Action, ElementBox, LayoutContext, PaintContext, SizeConstraint,
+ Action, ElementBox, SizeConstraint,
};
use serde_json::json;
@@ -34,15 +34,16 @@ impl KeystrokeLabel {
}
}
-impl Element for KeystrokeLabel {
- type LayoutState = ElementBox;
+impl<V: View> Element<V> for KeystrokeLabel {
+ type LayoutState = ElementBox<V>;
type PaintState = ();
fn layout(
&mut self,
constraint: SizeConstraint,
- cx: &mut LayoutContext,
- ) -> (Vector2F, ElementBox) {
+ view: &V,
+ cx: &mut ViewContext<V>,
+ ) -> (Vector2F, ElementBox<V>) {
let mut element = if let Some(keystrokes) =
cx.app
.keystrokes_for_action(self.window_id, self.view_id, self.action.as_ref())
@@ -59,18 +60,20 @@ impl Element for KeystrokeLabel {
Empty::new().collapsed().boxed()
};
- let size = element.layout(constraint, cx);
+ let size = element.layout(constraint, view, cx);
(size, element)
}
fn paint(
&mut self,
+ scene: &mut SceneBuilder,
bounds: RectF,
visible_bounds: RectF,
- element: &mut ElementBox,
- cx: &mut PaintContext,
+ element: &mut ElementBox<V>,
+ view: &V,
+ cx: &mut ViewContext<V>,
) {
- element.paint(bounds.origin(), visible_bounds, cx);
+ element.paint(scene, bounds.origin(), visible_bounds, view, cx);
}
fn rect_for_text_range(
@@ -80,7 +83,8 @@ impl Element for KeystrokeLabel {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- _: &MeasurementContext,
+ _: &V,
+ _: &ViewContext<V>,
) -> Option<RectF> {
None
}
@@ -88,14 +92,15 @@ impl Element for KeystrokeLabel {
fn debug(
&self,
_: RectF,
- element: &ElementBox,
+ element: &ElementBox<V>,
_: &(),
- cx: &crate::DebugContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> serde_json::Value {
json!({
"type": "KeystrokeLabel",
"action": self.action.name(),
- "child": element.debug(cx)
+ "child": element.debug(view, cx)
})
}
}
@@ -8,8 +8,7 @@ use crate::{
},
json::{ToJson, Value},
text_layout::{Line, RunStyle},
- window::MeasurementContext,
- DebugContext, Element, LayoutContext, PaintContext, SizeConstraint,
+ Element, SceneBuilder, SizeConstraint, View, ViewContext,
};
use serde::Deserialize;
use serde_json::json;
@@ -128,14 +127,15 @@ impl Label {
}
}
-impl Element for Label {
+impl<V: View> Element<V> for Label {
type LayoutState = Line;
type PaintState = ();
fn layout(
&mut self,
constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ view: &V,
+ cx: &mut ViewContext<V>,
) -> (Vector2F, Self::LayoutState) {
let runs = self.compute_runs();
let line =
@@ -155,12 +155,20 @@ impl Element for Label {
fn paint(
&mut self,
+ scene: &mut SceneBuilder,
bounds: RectF,
visible_bounds: RectF,
line: &mut Self::LayoutState,
- cx: &mut PaintContext,
+ _: &V,
+ cx: &mut ViewContext<Self>,
) -> Self::PaintState {
- line.paint(bounds.origin(), visible_bounds, bounds.size().y(), cx)
+ line.paint(
+ scene,
+ bounds.origin(),
+ visible_bounds,
+ bounds.size().y(),
+ cx,
+ )
}
fn rect_for_text_range(
@@ -170,7 +178,8 @@ impl Element for Label {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- _: &MeasurementContext,
+ _: &V,
+ _: &ViewContext<V>,
) -> Option<RectF> {
None
}
@@ -180,7 +189,8 @@ impl Element for Label {
bounds: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- _: &DebugContext,
+ _: &V,
+ _: &ViewContext<V>,
) -> Value {
json!({
"type": "Label",
@@ -4,19 +4,17 @@ use crate::{
vector::{vec2f, Vector2F},
},
json::json,
- window::MeasurementContext,
- DebugContext, Element, ElementBox, ElementRc, EventContext, LayoutContext, MouseRegion,
- PaintContext, RenderContext, SizeConstraint, View, ViewContext,
+ Element, ElementBox, MouseRegion, SceneBuilder, SizeConstraint, View, ViewContext,
};
use std::{cell::RefCell, collections::VecDeque, ops::Range, rc::Rc};
use sum_tree::{Bias, SumTree};
-pub struct List {
- state: ListState,
+pub struct List<V: View> {
+ state: ListState<V>,
}
#[derive(Clone)]
-pub struct ListState(Rc<RefCell<StateInner>>);
+pub struct ListState<V: View>(Rc<RefCell<StateInner<V>>>);
#[derive(Clone, Copy, Debug, Eq, PartialEq)]
pub enum Orientation {
@@ -24,16 +22,16 @@ pub enum Orientation {
Bottom,
}
-struct StateInner {
+struct StateInner<V: View> {
last_layout_width: Option<f32>,
- render_item: Box<dyn FnMut(usize, &mut LayoutContext) -> Option<ElementBox>>,
+ render_item: Box<dyn FnMut(usize, &V, &mut ViewContext<V>) -> Option<ElementBox<V>>>,
rendered_range: Range<usize>,
- items: SumTree<ListItem>,
+ items: SumTree<ListItem<V>>,
logical_scroll_top: Option<ListOffset>,
orientation: Orientation,
overdraw: f32,
#[allow(clippy::type_complexity)]
- scroll_handler: Option<Box<dyn FnMut(Range<usize>, &mut EventContext)>>,
+ scroll_handler: Option<Box<dyn FnMut(Range<usize>, &mut V, &mut ViewContext<V>)>>,
}
#[derive(Clone, Copy, Debug, Default, PartialEq)]
@@ -43,13 +41,13 @@ pub struct ListOffset {
}
#[derive(Clone)]
-enum ListItem {
+enum ListItem<V: View> {
Unrendered,
- Rendered(ElementRc),
+ Rendered(Rc<ElementBox<V>>),
Removed(f32),
}
-impl std::fmt::Debug for ListItem {
+impl<V: View> std::fmt::Debug for ListItem<V> {
fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
match self {
Self::Unrendered => write!(f, "Unrendered"),
@@ -79,20 +77,21 @@ struct UnrenderedCount(usize);
#[derive(Clone, Debug, Default)]
struct Height(f32);
-impl List {
- pub fn new(state: ListState) -> Self {
+impl<V: View> List<V> {
+ pub fn new(state: ListState<V>) -> Self {
Self { state }
}
}
-impl Element for List {
+impl<V: View> Element<V> for List<V> {
type LayoutState = ListOffset;
type PaintState = ();
fn layout(
&mut self,
constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> (Vector2F, Self::LayoutState) {
let state = &mut *self.state.0.borrow_mut();
let size = constraint.max;
@@ -134,6 +133,7 @@ impl Element for List {
scroll_top.item_ix + ix,
existing_element,
item_constraint,
+ view,
cx,
) {
rendered_height += element.size().y();
@@ -151,7 +151,7 @@ impl Element for List {
cursor.prev(&());
if cursor.item().is_some() {
if let Some(element) =
- state.render_item(cursor.start().0, None, item_constraint, cx)
+ state.render_item(cursor.start().0, None, item_constraint, view, cx)
{
rendered_height += element.size().y();
rendered_items.push_front(ListItem::Rendered(element));
@@ -187,7 +187,7 @@ impl Element for List {
cursor.prev(&());
if let Some(item) = cursor.item() {
if let Some(element) =
- state.render_item(cursor.start().0, Some(item), item_constraint, cx)
+ state.render_item(cursor.start().0, Some(item), item_constraint, view, cx)
{
leading_overdraw += element.size().y();
rendered_items.push_front(ListItem::Rendered(element));
@@ -241,10 +241,12 @@ impl Element for List {
fn paint(
&mut self,
+ scene: &mut SceneBuilder,
bounds: RectF,
visible_bounds: RectF,
scroll_top: &mut ListOffset,
- cx: &mut PaintContext,
+ view: &V,
+ cx: &mut ViewContext<V>,
) {
let visible_bounds = visible_bounds.intersection(bounds).unwrap_or_default();
cx.scene.push_layer(Some(visible_bounds));
@@ -268,7 +270,7 @@ impl Element for List {
let state = &mut *self.state.0.borrow_mut();
for (mut element, origin) in state.visible_elements(bounds, scroll_top) {
- element.paint(origin, visible_bounds, cx);
+ element.paint(scene, origin, visible_bounds, view, cx);
}
cx.scene.pop_layer();
@@ -281,7 +283,8 @@ impl Element for List {
_: RectF,
scroll_top: &Self::LayoutState,
_: &Self::PaintState,
- cx: &MeasurementContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> Option<RectF> {
let state = self.state.0.borrow();
let mut item_origin = bounds.origin() - vec2f(0., scroll_top.offset_in_item);
@@ -293,7 +296,7 @@ impl Element for List {
}
if let ListItem::Rendered(element) = item {
- if let Some(rect) = element.rect_for_text_range(range_utf16.clone(), cx) {
+ if let Some(rect) = element.rect_for_text_range(range_utf16.clone(), view, cx) {
return Some(rect);
}
@@ -312,12 +315,13 @@ impl Element for List {
bounds: RectF,
scroll_top: &Self::LayoutState,
_: &(),
- cx: &DebugContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> serde_json::Value {
let state = self.state.0.borrow_mut();
let visible_elements = state
.visible_elements(bounds, scroll_top)
- .map(|e| e.0.debug(cx))
+ .map(|e| e.0.debug(view, cx))
.collect::<Vec<_>>();
let visible_range = scroll_top.item_ix..(scroll_top.item_ix + visible_elements.len());
json!({
@@ -328,8 +332,8 @@ impl Element for List {
}
}
-impl ListState {
- pub fn new<F, V>(
+impl<V: View> ListState<V> {
+ pub fn new<F>(
element_count: usize,
orientation: Orientation,
overdraw: f32,
@@ -338,7 +342,7 @@ impl ListState {
) -> Self
where
V: View,
- F: 'static + FnMut(&mut V, usize, &mut RenderContext<V>) -> ElementBox,
+ F: 'static + FnMut(&mut V, usize, &mut ViewContext<V>) -> ElementBox<V>,
{
let mut items = SumTree::new();
items.extend((0..element_count).map(|_| ListItem::Unrendered), &());
@@ -406,7 +410,7 @@ impl ListState {
pub fn set_scroll_handler(
&mut self,
- handler: impl FnMut(Range<usize>, &mut EventContext) + 'static,
+ handler: impl FnMut(Range<usize>, &mut V, &mut ViewContext<V>) + 'static,
) {
self.0.borrow_mut().scroll_handler = Some(Box::new(handler))
}
@@ -426,14 +430,15 @@ impl ListState {
}
}
-impl StateInner {
+impl<V: View> StateInner<V> {
fn render_item(
&mut self,
ix: usize,
- existing_element: Option<&ListItem>,
+ existing_element: Option<&ListItem<V>>,
constraint: SizeConstraint,
- cx: &mut LayoutContext,
- ) -> Option<ElementRc> {
+ view: &mut V,
+ cx: &mut ViewContext<V>,
+ ) -> Option<Rc<ElementBox<V>>> {
if let Some(ListItem::Rendered(element)) = existing_element {
Some(element.clone())
} else {
@@ -455,7 +460,7 @@ impl StateInner {
&'a self,
bounds: RectF,
scroll_top: &ListOffset,
- ) -> impl Iterator<Item = (ElementRc, Vector2F)> + 'a {
+ ) -> impl Iterator<Item = (Rc<ElementBox>, Vector2F)> + 'a {
let mut item_origin = bounds.origin() - vec2f(0., scroll_top.offset_in_item);
let mut cursor = self.items.cursor::<Count>();
cursor.seek(&Count(scroll_top.item_ix), Bias::Right, &());
@@ -485,7 +490,8 @@ impl StateInner {
height: f32,
mut delta: Vector2F,
precise: bool,
- cx: &mut EventContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) {
if !precise {
delta *= 20.;
@@ -538,7 +544,7 @@ impl StateInner {
}
}
-impl ListItem {
+impl<V: View> ListItem<V> {
fn remove(&self) -> Self {
match self {
ListItem::Unrendered => ListItem::Unrendered,
@@ -548,7 +554,7 @@ impl ListItem {
}
}
-impl sum_tree::Item for ListItem {
+impl<V: View> sum_tree::Item for ListItem<V> {
type Summary = ListItemSummary;
fn summary(&self) -> Self::Summary {
@@ -900,7 +906,7 @@ mod tests {
"TestView"
}
- fn render(&mut self, _: &mut RenderContext<'_, Self>) -> ElementBox {
+ fn render(&mut self, _: &mut ViewContext<Self>) -> ElementBox<Self> {
Empty::new().boxed()
}
}
@@ -919,15 +925,28 @@ mod tests {
}
}
- impl Element for TestElement {
+ impl<V: View> Element<V> for TestElement {
type LayoutState = ();
type PaintState = ();
- fn layout(&mut self, _: SizeConstraint, _: &mut LayoutContext) -> (Vector2F, ()) {
+ fn layout(
+ &mut self,
+ _: SizeConstraint,
+ _: &mut V,
+ _: &mut ViewContext<V>,
+ ) -> (Vector2F, ()) {
(self.size, ())
}
- fn paint(&mut self, _: RectF, _: RectF, _: &mut (), _: &mut PaintContext) {
+ fn paint(
+ &mut self,
+ _: &mut SceneBuilder,
+ _: RectF,
+ _: RectF,
+ _: &mut (),
+ _: &mut V,
+ _: &mut ViewContext<V>,
+ ) {
todo!()
}
@@ -938,12 +957,13 @@ mod tests {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- _: &MeasurementContext,
+ _: &V,
+ _: &ViewContext<V>,
) -> Option<RectF> {
todo!()
}
- fn debug(&self, _: RectF, _: &(), _: &(), _: &DebugContext) -> serde_json::Value {
+ fn debug(&self, _: RectF, _: &(), _: &(), _: &V, _: &ViewContext<V>) -> serde_json::Value {
self.id.into()
}
@@ -10,14 +10,13 @@ use crate::{
CursorRegion, HandlerSet, MouseClick, MouseDown, MouseDownOut, MouseDrag, MouseHover,
MouseMove, MouseMoveOut, MouseScrollWheel, MouseUp, MouseUpOut,
},
- DebugContext, Element, ElementBox, EventContext, LayoutContext, MeasurementContext,
- MouseRegion, MouseState, PaintContext, RenderContext, SizeConstraint, View,
+ Element, ElementBox, MouseRegion, MouseState, SceneBuilder, SizeConstraint, View, ViewContext,
};
use serde_json::json;
use std::{marker::PhantomData, ops::Range};
-pub struct MouseEventHandler<Tag: 'static> {
- child: ElementBox,
+pub struct MouseEventHandler<Tag: 'static, V: View> {
+ child: ElementBox<V>,
region_id: usize,
cursor_style: Option<CursorStyle>,
handlers: HandlerSet,
@@ -31,14 +30,14 @@ pub struct MouseEventHandler<Tag: 'static> {
/// Element which provides a render_child callback with a MouseState and paints a mouse
/// region under (or above) it for easy mouse event handling.
-impl<Tag> MouseEventHandler<Tag> {
- pub fn new<V, F>(region_id: usize, cx: &mut RenderContext<V>, render_child: F) -> Self
+impl<Tag, V: View> MouseEventHandler<Tag, V> {
+ pub fn new<F>(region_id: usize, view: &mut V, cx: &mut ViewContext<V>, render_child: F) -> Self
where
V: View,
- F: FnOnce(&mut MouseState, &mut RenderContext<V>) -> ElementBox,
+ F: FnOnce(&mut MouseState, &mut V, &mut ViewContext<V>) -> ElementBox<V>,
{
let mut mouse_state = cx.mouse_state::<Tag>(region_id);
- let child = render_child(&mut mouse_state, cx);
+ let child = render_child(&mut mouse_state, view, cx);
let notify_on_hover = mouse_state.accessed_hovered();
let notify_on_click = mouse_state.accessed_clicked();
Self {
@@ -58,12 +57,17 @@ impl<Tag> MouseEventHandler<Tag> {
/// Modifies the MouseEventHandler to render the MouseRegion above the child element. Useful
/// for drag and drop handling and similar events which should be captured before the child
/// gets the opportunity
- pub fn above<V, F>(region_id: usize, cx: &mut RenderContext<V>, render_child: F) -> Self
+ pub fn above<F>(
+ region_id: usize,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
+ render_child: F,
+ ) -> Self
where
V: View,
- F: FnOnce(&mut MouseState, &mut RenderContext<V>) -> ElementBox,
+ F: FnOnce(&mut MouseState, &mut V, &mut ViewContext<V>) -> ElementBox<V>,
{
- let mut handler = Self::new(region_id, cx, render_child);
+ let mut handler = Self::new(region_id, view, cx, render_child);
handler.above = true;
handler
}
@@ -78,14 +82,14 @@ impl<Tag> MouseEventHandler<Tag> {
self
}
- pub fn on_move(mut self, handler: impl Fn(MouseMove, &mut EventContext) + 'static) -> Self {
+ pub fn on_move(mut self, handler: impl Fn(MouseMove, &mut ViewContext<V>) + 'static) -> Self {
self.handlers = self.handlers.on_move(handler);
self
}
pub fn on_move_out(
mut self,
- handler: impl Fn(MouseMoveOut, &mut EventContext) + 'static,
+ handler: impl Fn(MouseMoveOut, &mut ViewContext<V>) + 'static,
) -> Self {
self.handlers = self.handlers.on_move_out(handler);
self
@@ -94,7 +98,7 @@ impl<Tag> MouseEventHandler<Tag> {
pub fn on_down(
mut self,
button: MouseButton,
- handler: impl Fn(MouseDown, &mut EventContext) + 'static,
+ handler: impl Fn(MouseDown, &mut ViewContext<V>) + 'static,
) -> Self {
self.handlers = self.handlers.on_down(button, handler);
self
@@ -103,7 +107,7 @@ impl<Tag> MouseEventHandler<Tag> {
pub fn on_up(
mut self,
button: MouseButton,
- handler: impl Fn(MouseUp, &mut EventContext) + 'static,
+ handler: impl Fn(MouseUp, &mut ViewContext<V>) + 'static,
) -> Self {
self.handlers = self.handlers.on_up(button, handler);
self
@@ -112,7 +116,7 @@ impl<Tag> MouseEventHandler<Tag> {
pub fn on_click(
mut self,
button: MouseButton,
- handler: impl Fn(MouseClick, &mut EventContext) + 'static,
+ handler: impl Fn(MouseClick, &mut ViewContext<V>) + 'static,
) -> Self {
self.handlers = self.handlers.on_click(button, handler);
self
@@ -121,7 +125,7 @@ impl<Tag> MouseEventHandler<Tag> {
pub fn on_down_out(
mut self,
button: MouseButton,
- handler: impl Fn(MouseDownOut, &mut EventContext) + 'static,
+ handler: impl Fn(MouseDownOut, &mut ViewContext<V>) + 'static,
) -> Self {
self.handlers = self.handlers.on_down_out(button, handler);
self
@@ -130,7 +134,7 @@ impl<Tag> MouseEventHandler<Tag> {
pub fn on_up_out(
mut self,
button: MouseButton,
- handler: impl Fn(MouseUpOut, &mut EventContext) + 'static,
+ handler: impl Fn(MouseUpOut, &mut ViewContext<V>) + 'static,
) -> Self {
self.handlers = self.handlers.on_up_out(button, handler);
self
@@ -139,20 +143,20 @@ impl<Tag> MouseEventHandler<Tag> {
pub fn on_drag(
mut self,
button: MouseButton,
- handler: impl Fn(MouseDrag, &mut EventContext) + 'static,
+ handler: impl Fn(MouseDrag, &mut ViewContext<V>) + 'static,
) -> Self {
self.handlers = self.handlers.on_drag(button, handler);
self
}
- pub fn on_hover(mut self, handler: impl Fn(MouseHover, &mut EventContext) + 'static) -> Self {
+ pub fn on_hover(mut self, handler: impl Fn(MouseHover, &mut ViewContext<V>) + 'static) -> Self {
self.handlers = self.handlers.on_hover(handler);
self
}
pub fn on_scroll(
mut self,
- handler: impl Fn(MouseScrollWheel, &mut EventContext) + 'static,
+ handler: impl Fn(MouseScrollWheel, &mut ViewContext<V>) + 'static,
) -> Self {
self.handlers = self.handlers.on_scroll(handler);
self
@@ -176,7 +180,13 @@ impl<Tag> MouseEventHandler<Tag> {
.round_out()
}
- fn paint_regions(&self, bounds: RectF, visible_bounds: RectF, cx: &mut PaintContext) {
+ fn paint_regions(
+ &self,
+ scene: &mut SceneBuilder,
+ bounds: RectF,
+ visible_bounds: RectF,
+ cx: &mut ViewContext<V>,
+ ) {
let visible_bounds = visible_bounds.intersection(bounds).unwrap_or_default();
let hit_bounds = self.hit_bounds(visible_bounds);
@@ -200,34 +210,37 @@ impl<Tag> MouseEventHandler<Tag> {
}
}
-impl<Tag> Element for MouseEventHandler<Tag> {
+impl<Tag, V: View> Element<V> for MouseEventHandler<Tag, V> {
type LayoutState = ();
type PaintState = ();
fn layout(
&mut self,
constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> (Vector2F, Self::LayoutState) {
- (self.child.layout(constraint, cx), ())
+ (self.child.layout(constraint, view, cx), ())
}
fn paint(
&mut self,
+ scene: &mut SceneBuilder,
bounds: RectF,
visible_bounds: RectF,
_: &mut Self::LayoutState,
- cx: &mut PaintContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> Self::PaintState {
if self.above {
- self.child.paint(bounds.origin(), visible_bounds, cx);
+ self.child.paint(bounds.origin(), visible_bounds, view, cx);
cx.paint_layer(None, |cx| {
self.paint_regions(bounds, visible_bounds, cx);
});
} else {
self.paint_regions(bounds, visible_bounds, cx);
- self.child.paint(bounds.origin(), visible_bounds, cx);
+ self.child.paint(bounds.origin(), visible_bounds, view, cx);
}
}
@@ -238,9 +251,10 @@ impl<Tag> Element for MouseEventHandler<Tag> {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &MeasurementContext,
+ view: &V,
+ cx: &ViewContext<Self>,
) -> Option<RectF> {
- self.child.rect_for_text_range(range_utf16, cx)
+ self.child.rect_for_text_range(range_utf16, view, cx)
}
fn debug(
@@ -248,11 +262,12 @@ impl<Tag> Element for MouseEventHandler<Tag> {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &DebugContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> serde_json::Value {
json!({
"type": "MouseEventHandler",
- "child": self.child.debug(cx),
+ "child": self.child.debug(view, cx),
})
}
}
@@ -3,14 +3,12 @@ use std::ops::Range;
use crate::{
geometry::{rect::RectF, vector::Vector2F},
json::ToJson,
- window::MeasurementContext,
- Axis, DebugContext, Element, ElementBox, LayoutContext, MouseRegion, PaintContext,
- SizeConstraint,
+ Axis, Element, ElementBox, MouseRegion, SceneBuilder, SizeConstraint, View, ViewContext,
};
use serde_json::json;
-pub struct Overlay {
- child: ElementBox,
+pub struct Overlay<V: View> {
+ child: ElementBox<V>,
anchor_position: Option<Vector2F>,
anchor_corner: AnchorCorner,
fit_mode: OverlayFitMode,
@@ -74,8 +72,8 @@ impl AnchorCorner {
}
}
-impl Overlay {
- pub fn new(child: ElementBox) -> Self {
+impl<V: View> Overlay<V> {
+ pub fn new(child: ElementBox<V>) -> Self {
Self {
child,
anchor_position: None,
@@ -118,14 +116,15 @@ impl Overlay {
}
}
-impl Element for Overlay {
+impl<V: View> Element<V> for Overlay<V> {
type LayoutState = Vector2F;
type PaintState = ();
fn layout(
&mut self,
constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> (Vector2F, Self::LayoutState) {
let constraint = if self.anchor_position.is_some() {
SizeConstraint::new(Vector2F::zero(), cx.window_size)
@@ -138,10 +137,12 @@ impl Element for Overlay {
fn paint(
&mut self,
+ scene: SceneBuilder,
bounds: RectF,
_: RectF,
size: &mut Self::LayoutState,
- cx: &mut PaintContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) {
let (anchor_position, mut bounds) = match self.position_mode {
OverlayPositionMode::Window => {
@@ -224,8 +225,10 @@ impl Element for Overlay {
}
self.child.paint(
+ scene,
bounds.origin(),
RectF::new(Vector2F::zero(), cx.window_size),
+ view,
cx,
);
});
@@ -238,9 +241,10 @@ impl Element for Overlay {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &MeasurementContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> Option<RectF> {
- self.child.rect_for_text_range(range_utf16, cx)
+ self.child.rect_for_text_range(range_utf16, view, cx)
}
fn debug(
@@ -248,12 +252,13 @@ impl Element for Overlay {
_: RectF,
_: &Self::LayoutState,
_: &Self::PaintState,
- cx: &DebugContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> serde_json::Value {
json!({
"type": "Overlay",
"abs_position": self.anchor_position.to_json(),
- "child": self.child.debug(cx),
+ "child": self.child.debug(view, cx),
})
}
}
@@ -1,4 +1,4 @@
-use super::{Element, EventContext, LayoutContext, PaintContext, SizeConstraint};
+use super::{Element, SizeConstraint};
use crate::{
geometry::{
rect::RectF,
@@ -7,8 +7,7 @@ use crate::{
json::{self, json},
platform::ScrollWheelEvent,
scene::MouseScrollWheel,
- window::MeasurementContext,
- ElementBox, MouseRegion, RenderContext, View,
+ ElementBox, MouseRegion, SceneBuilder, View, ViewContext,
};
use json::ToJson;
use std::{cell::RefCell, cmp, ops::Range, rc::Rc};
@@ -38,33 +37,33 @@ struct StateInner {
scroll_to: Option<ScrollTarget>,
}
-pub struct LayoutState {
+pub struct LayoutState<V: View> {
scroll_max: f32,
item_height: f32,
- items: Vec<ElementBox>,
+ items: Vec<ElementBox<V>>,
}
-pub struct UniformList {
+pub struct UniformList<V: View> {
state: UniformListState,
item_count: usize,
#[allow(clippy::type_complexity)]
- append_items: Box<dyn Fn(Range<usize>, &mut Vec<ElementBox>, &mut LayoutContext)>,
+ append_items: Box<dyn Fn(Range<usize>, &mut Vec<ElementBox<V>>, &mut V, &mut ViewContext<V>)>,
padding_top: f32,
padding_bottom: f32,
get_width_from_item: Option<usize>,
view_id: usize,
}
-impl UniformList {
- pub fn new<F, V>(
+impl<V: View> UniformList<V> {
+ pub fn new<F>(
state: UniformListState,
item_count: usize,
- cx: &mut RenderContext<V>,
+ cx: &mut ViewContext<V>,
append_items: F,
) -> Self
where
V: View,
- F: 'static + Fn(&mut V, Range<usize>, &mut Vec<ElementBox>, &mut RenderContext<V>),
+ F: 'static + Fn(&mut V, Range<usize>, &mut Vec<ElementBox<V>>, &mut V, &mut ViewContext<V>),
{
let handle = cx.handle();
Self {
@@ -160,14 +159,15 @@ impl UniformList {
}
}
-impl Element for UniformList {
- type LayoutState = LayoutState;
+impl<V: View> Element<V> for UniformList<V> {
+ type LayoutState = LayoutState<V>;
type PaintState = ();
fn layout(
&mut self,
constraint: SizeConstraint,
- cx: &mut LayoutContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> (Vector2F, Self::LayoutState) {
if constraint.max.y().is_infinite() {
unimplemented!(
@@ -262,7 +262,7 @@ impl Element for UniformList {
}
for item in &mut items {
- let item_size = item.layout(item_constraint, cx);
+ let item_size = item.layout(item_constraint, view, cx);
if item_size.x() > size.x() {
size.set_x(item_size.x());
}
@@ -280,10 +280,12 @@ impl Element for UniformList {
fn paint(
&mut self,
+ scene: &mut SceneBuilder,
bounds: RectF,
visible_bounds: RectF,
layout: &mut Self::LayoutState,
- cx: &mut PaintContext,
+ view: &mut V,
+ cx: &mut ViewContext<V>,
) -> Self::PaintState {
let visible_bounds = visible_bounds.intersection(bounds).unwrap_or_default();
@@ -322,7 +324,7 @@ impl Element for UniformList {
);
for item in &mut layout.items {
- item.paint(item_origin, visible_bounds, cx);
+ item.paint(scene, item_origin, visible_bounds, view, cx);
item_origin += vec2f(0.0, layout.item_height);
}
@@ -336,12 +338,13 @@ impl Element for UniformList {
_: RectF,
layout: &Self::LayoutState,
_: &Self::PaintState,
- cx: &MeasurementContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> Option<RectF> {
layout
.items
.iter()
- .find_map(|child| child.rect_for_text_range(range.clone(), cx))
+ .find_map(|child| child.rect_for_text_range(range.clone(), view, cx))
}
fn debug(
@@ -349,14 +352,15 @@ impl Element for UniformList {
bounds: RectF,
layout: &Self::LayoutState,
_: &Self::PaintState,
- cx: &crate::DebugContext,
+ view: &V,
+ cx: &ViewContext<V>,
) -> json::Value {
json!({
"type": "UniformList",
"bounds": bounds.to_json(),
"scroll_max": layout.scroll_max,
"item_height": layout.item_height,
- "items": layout.items.iter().map(|item| item.debug(cx)).collect::<Vec<json::Value>>()
+ "items": layout.items.iter().map(|item| item.debug(view, cx)).collect::<Vec<json::Value>>()
})
}
@@ -7,7 +7,9 @@ use crate::{
},
platform,
platform::FontSystem,
- scene, PaintContext,
+ scene,
+ window::WindowContext,
+ AppContext, PaintContext, SceneBuilder,
};
use ordered_float::OrderedFloat;
use parking_lot::{Mutex, RwLock, RwLockUpgradableReadGuard};
@@ -271,10 +273,11 @@ impl Line {
pub fn paint(
&self,
+ scene: &SceneBuilder,
origin: Vector2F,
visible_bounds: RectF,
line_height: f32,
- cx: &mut PaintContext,
+ cx: &mut WindowContext,
) {
let padding_top = (line_height - self.layout.ascent - self.layout.descent) / 2.;
let baseline_offset = vec2f(0., padding_top + self.layout.ascent);
@@ -12,8 +12,8 @@ use gpui::{
actions,
elements::*,
platform::{CursorStyle, MouseButton},
- Action, AnyViewHandle, AppContext, ElementBox, Entity, ModelContext, ModelHandle,
- RenderContext, Subscription, Task, View, ViewContext, ViewHandle, WeakModelHandle,
+ Action, AnyViewHandle, AppContext, Entity, ModelContext, ModelHandle, RenderContext,
+ Subscription, Task, View, ViewContext, ElementBox, ViewHandle, WeakModelHandle,
WeakViewHandle,
};
use menu::Confirm;
@@ -2,8 +2,8 @@ use gpui::{
actions,
color::Color,
elements::{
- Canvas, Container, ContainerStyle, ElementBox, Flex, Label, Margin, MouseEventHandler,
- Padding, ParentElement,
+ Canvas, Container, ContainerStyle, Flex, Label, Margin, MouseEventHandler, Padding,
+ ParentElement, ElementBox,
},
fonts::TextStyle,
AppContext, Border, Element, Entity, ModelHandle, Quad, RenderContext, Task, View, ViewContext,
@@ -1,7 +1,7 @@
use crate::{ItemHandle, Pane};
use gpui::{
elements::*, platform::CursorStyle, platform::MouseButton, Action, AnyViewHandle, AppContext,
- ElementBox, Entity, RenderContext, View, ViewContext, ViewHandle, WeakViewHandle,
+ Entity, RenderContext, View, ViewContext, ElementBox, ViewHandle, WeakViewHandle,
};
use settings::Settings;