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gpui-component/crates/workspace/src/workspace.rs

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use std::{
cmp,
collections::{hash_map, HashMap},
sync::{atomic::AtomicUsize, Arc},
time::Duration,
};
use crate::{
dock::{Panel, PanelHandle},
model_layer::ModalLayer,
notification::{NotificationHandle, NotificationId},
pane_group,
};
use anyhow::Result;
use gpui::{
actions, canvas, div, impl_actions, prelude::FluentBuilder as _, AnyWeakView, AppContext,
Bounds, Div, DragMoveEvent, Entity as _, EntityId, EventEmitter, FocusHandle, FocusableView,
InteractiveElement as _, IntoElement, KeyContext, ParentElement as _, Pixels, Point, Render,
Styled as _, Subscription, Task, View, ViewContext, VisualContext as _, WeakView,
WindowContext,
};
use serde::Deserialize;
use ui::{h_flex, theme::ActiveTheme};
use super::{
dock::{Dock, DockPosition},
pane::{self, Pane},
pane_group::{PaneGroup, SplitDirection},
};
actions!(
workspace,
[
ActivateNextPane,
ActivatePreviousPane,
ClearAllNotifications,
CloseAllDocks,
ToggleBottomDock,
ToggleCenteredLayout,
ToggleLeftDock,
ToggleRightDock,
ToggleZoom,
CloseAllItemsAndPanes,
CloseInactiveTabsAndPanes,
ReopenClosedItem,
]
);
#[derive(Clone, Deserialize, PartialEq)]
pub struct ActivatePane(pub usize);
#[derive(Clone, Deserialize, PartialEq)]
pub struct ActivatePaneInDirection(pub SplitDirection);
#[derive(Clone, Deserialize, PartialEq)]
pub struct SwapPaneInDirection(pub SplitDirection);
impl_actions!(
workspace,
[ActivatePane, ActivatePaneInDirection, SwapPaneInDirection,]
);
#[derive(Clone, Copy, Debug, Default, Hash, PartialEq, Eq, PartialOrd, Ord)]
pub struct WorkspaceId(i64);
enum ActivateInDirectionTarget {
Pane(View<Pane>),
Dock(View<Dock>),
}
/// Workspace is a container for docks.
pub struct Workspace {
weak_self: WeakView<Self>,
center: PaneGroup,
left_dock: View<Dock>,
bottom_dock: View<Dock>,
right_dock: View<Dock>,
panes: Vec<View<Pane>>,
pub(crate) panes_by_item: HashMap<EntityId, WeakView<Pane>>,
active_pane: View<Pane>,
last_active_center_pane: Option<WeakView<Pane>>,
pub(crate) zoomed: Option<AnyWeakView>,
pub(crate) zoomed_position: Option<DockPosition>,
database_id: Option<WorkspaceId>,
bounds: Bounds<Pixels>,
pub(crate) notifications: Vec<(NotificationId, Box<dyn NotificationHandle>)>,
modal_layer: View<ModalLayer>,
workspace_actions: Vec<Box<dyn Fn(Div, &mut ViewContext<Self>) -> Div>>,
bounds_save_task_queued: Option<Task<()>>,
_subscriptions: Vec<Subscription>,
}
pub enum Event {
PaneAdded(View<Pane>),
PaneRemoved,
ItemAdded,
ItemRemoved,
ActiveItemChanged,
WorkspaceCreated(WeakView<Workspace>),
ZoomChanged,
}
impl EventEmitter<Event> for Workspace {}
impl FocusableView for Workspace {
fn focus_handle(&self, cx: &AppContext) -> FocusHandle {
self.active_pane.focus_handle(cx)
}
}
#[derive(Clone, Render)]
pub struct DraggedDock(pub DockPosition);
impl Render for Workspace {
fn render(&mut self, cx: &mut ViewContext<Self>) -> impl IntoElement {
let mut context = KeyContext::new_with_defaults();
context.add("Workspace");
// let render_padding = |size| {
// (size > 0.0).then(|| {
// div()
// .h_full()
// .w(relative(size))
// .bg(cx.theme().background)
// .border_color(cx.theme().border)
// })
// };
self.actions(div(), cx)
.key_context(context)
.relative()
.size_full()
.flex()
.flex_col()
.font_family(cx.theme().font_family.clone())
.gap_0()
.justify_start()
.items_start()
.text_color(cx.theme().foreground)
.bg(cx.theme().background)
// .children(self.titlebar_item.clone())
.child(
div()
.id("workspace")
.relative()
.flex_1()
.w_full()
.flex()
.flex_col()
.overflow_hidden()
.child({
let this = cx.view().clone();
canvas(
move |bounds, cx| this.update(cx, |this, _cx| this.bounds = bounds),
|_, _, _| {},
)
.absolute()
.size_full()
})
.when(self.zoomed.is_none(), |this| {
this.on_drag_move(cx.listener(
|workspace, e: &DragMoveEvent<DraggedDock>, cx| match e.drag(cx).0 {
DockPosition::Left => {
let size = workspace.bounds.left() + e.event.position.x;
workspace.left_dock.update(cx, |left_dock, cx| {
left_dock.resize_active_panel(Some(size), cx);
});
}
DockPosition::Right => {
let size = workspace.bounds.right() - e.event.position.x;
workspace.right_dock.update(cx, |right_dock, cx| {
right_dock.resize_active_panel(Some(size), cx);
});
}
DockPosition::Bottom => {
let size = workspace.bounds.bottom() - e.event.position.y;
workspace.bottom_dock.update(cx, |bottom_dock, cx| {
bottom_dock.resize_active_panel(Some(size), cx);
});
}
},
))
})
.child(
div()
.flex()
.flex_row()
.h_full()
// Left Dock
.children(self.zoomed_position.ne(&Some(DockPosition::Left)).then(
|| {
div()
.flex()
.flex_none()
.overflow_hidden()
.child(self.left_dock.clone())
},
))
// Panes
.child(
div()
.flex()
.flex_col()
.flex_1()
.overflow_hidden()
.child(h_flex().flex_1().child(self.center.render(
&self.active_pane,
self.zoomed.as_ref(),
cx,
)))
.children(
self.zoomed_position
.ne(&Some(DockPosition::Bottom))
.then(|| self.bottom_dock.clone()),
),
)
// Right Dock
.children(self.zoomed_position.ne(&Some(DockPosition::Right)).then(
|| {
div()
.flex()
.flex_none()
.overflow_hidden()
.child(self.right_dock.clone())
},
)),
)
.children(self.zoomed.as_ref().and_then(|view| {
let zoomed_view = view.upgrade()?;
let div = div()
.occlude()
.absolute()
.overflow_hidden()
.border_color(cx.theme().border)
.bg(cx.theme().background)
.child(zoomed_view)
.inset_0()
.shadow_lg();
Some(match self.zoomed_position {
Some(DockPosition::Left) => div.right_2().border_r_1(),
Some(DockPosition::Right) => div.left_2().border_l_1(),
Some(DockPosition::Bottom) => div.top_2().border_t_1(),
None => div.top_2().bottom_2().left_2().right_2().border_1(),
})
}))
.child(self.modal_layer.clone())
.children(self.render_notifications(cx)),
)
}
}
impl Workspace {
pub fn new(workspace_id: Option<WorkspaceId>, cx: &mut ViewContext<Self>) -> Self {
cx.on_focus_lost(|this, cx| {
let focus_handle = this.focus_handle(cx);
cx.focus(&focus_handle);
})
.detach();
let weak_handle = cx.view().downgrade();
let _pane_history_timestamp = Arc::new(AtomicUsize::new(0));
let center_pane = cx.new_view(|cx| Pane::new(weak_handle.clone(), None, cx));
cx.subscribe(&center_pane, Self::handle_pane_event).detach();
cx.focus_view(&center_pane);
cx.emit(Event::PaneAdded(center_pane.clone()));
// let window_handle = cx.window_handle().downcast::<Workspace>().unwrap();
cx.emit(Event::WorkspaceCreated(weak_handle.clone()));
let left_dock = Dock::new(DockPosition::Left, cx);
let bottom_dock = Dock::new(DockPosition::Bottom, cx);
let right_dock = Dock::new(DockPosition::Right, cx);
// let left_dock_buttons = cx.new_view(|cx| PanelButtons::new(left_dock.clone(), cx));
// let bottom_dock_buttons = cx.new_view(|cx| PanelButtons::new(bottom_dock.clone(), cx));
// let right_dock_buttons = cx.new_view(|cx| PanelButtons::new(right_dock.clone(), cx));
let modal_layer = cx.new_view(|_| ModalLayer::new());
let subscriptions = vec![
cx.observe_window_activation(Self::on_window_activation_changed),
cx.observe_window_bounds(move |this, cx| {
if this.bounds_save_task_queued.is_some() {
return;
}
this.bounds_save_task_queued = Some(cx.spawn(|this, mut cx| async move {
cx.background_executor()
.timer(Duration::from_millis(100))
.await;
this.update(&mut cx, |this, cx| {
if let Some(display) = cx.display() {
if let Some(_display_uuid) = display.uuid().ok() {
let _window_bounds = cx.window_bounds();
if let Some(_database_id) = workspace_id {
// cx.background_executor()
// .spawn(DB.set_window_open_status(
// database_id,
// SerializedWindowBounds(window_bounds),
// display_uuid,
// ))
// .detach_and_log_err(cx);
}
}
}
this.bounds_save_task_queued.take();
})
.ok();
}));
cx.notify();
}),
cx.observe(&left_dock, |this, _, cx| {
this.serialize_workspace(cx);
cx.notify();
}),
cx.observe(&bottom_dock, |this, _, cx| {
this.serialize_workspace(cx);
cx.notify();
}),
cx.observe(&right_dock, |this, _, cx| {
this.serialize_workspace(cx);
cx.notify();
}),
// cx.on_release(|this, window, cx| {
// this.app_state.workspace_store.update(cx, |store, _| {
// let window = window.downcast::<Self>().unwrap();
// store.workspaces.remove(&window);
// })
// }),
];
Workspace {
weak_self: weak_handle.clone(),
zoomed: None,
zoomed_position: None,
center: PaneGroup::new(center_pane.clone()),
panes: vec![center_pane.clone()],
panes_by_item: Default::default(),
active_pane: center_pane.clone(),
last_active_center_pane: Some(center_pane.downgrade()),
modal_layer,
notifications: Default::default(),
left_dock,
bottom_dock,
right_dock,
database_id: workspace_id,
workspace_actions: Default::default(),
// This data will be incorrect, but it will be overwritten by the time it needs to be used.
bounds: Default::default(),
bounds_save_task_queued: None,
_subscriptions: subscriptions,
}
}
pub fn on_window_activation_changed(&mut self, cx: &mut ViewContext<Self>) {
if cx.is_window_active() {
if let Some(_database_id) = self.database_id {
// cx.background_executor()
// .spawn(persistence::DB.update_timestamp(database_id))
// .detach();
}
} else {
for pane in &self.panes {
pane.update(cx, |pane, cx| {
if let Some(item) = pane.active_item() {
item.workspace_deactivated(cx);
}
// for item in pane.items() {
// if matches!(
// item.workspace_settings(cx).autosave,
// AutosaveSetting::OnWindowChange | AutosaveSetting::OnFocusChange
// ) {
// Pane::autosave_item(item.as_ref(), self.project.clone(), cx)
// .detach_and_log_err(cx);
// }
// }
});
}
}
}
fn add_workspace_actions_listeners(&self, div: Div, cx: &mut ViewContext<Self>) -> Div {
let mut div = div
.on_action(cx.listener(Self::close_inactive_items_and_panes))
.on_action(cx.listener(Self::close_all_items_and_panes));
for action in self.workspace_actions.iter() {
div = (action)(div, cx)
}
div
}
fn actions(&self, div: Div, cx: &mut ViewContext<Self>) -> Div {
self.add_workspace_actions_listeners(div, cx)
.on_action(cx.listener(Self::close_inactive_items_and_panes))
.on_action(cx.listener(Self::close_all_items_and_panes))
.on_action(cx.listener(|workspace, _: &ActivatePreviousPane, cx| {
workspace.activate_previous_pane(cx)
}))
.on_action(
cx.listener(|workspace, _: &ActivateNextPane, cx| workspace.activate_next_pane(cx)),
)
.on_action(
cx.listener(|workspace, action: &ActivatePaneInDirection, cx| {
workspace.activate_pane_in_direction(action.0, cx)
}),
)
.on_action(cx.listener(|workspace, action: &SwapPaneInDirection, cx| {
workspace.swap_pane_in_direction(action.0, cx)
}))
.on_action(cx.listener(|this, _: &ToggleLeftDock, cx| {
this.toggle_dock(DockPosition::Left, cx);
}))
.on_action(
cx.listener(|workspace: &mut Workspace, _: &ToggleRightDock, cx| {
workspace.toggle_dock(DockPosition::Right, cx);
}),
)
.on_action(
cx.listener(|workspace: &mut Workspace, _: &ToggleBottomDock, cx| {
workspace.toggle_dock(DockPosition::Bottom, cx);
}),
)
.on_action(
cx.listener(|workspace: &mut Workspace, _: &CloseAllDocks, cx| {
workspace.close_all_docks(cx);
}),
)
.on_action(
cx.listener(|workspace: &mut Workspace, _: &ClearAllNotifications, cx| {
workspace.clear_all_notifications(cx);
}),
)
.on_action(cx.listener(Workspace::activate_pane_at_index))
.on_action(
cx.listener(|_workspace: &mut Workspace, _: &ReopenClosedItem, _cx| {
// workspace.reopen_closed_item(cx).detach();
}),
)
}
pub fn add_panel<T: Panel>(&mut self, panel: View<T>, cx: &mut WindowContext) {
let dock = match panel.position(cx) {
DockPosition::Left => &self.left_dock,
DockPosition::Bottom => &self.bottom_dock,
DockPosition::Right => &self.right_dock,
};
dock.update(cx, |dock, cx| {
dock.add_panel(panel, self.weak_self.clone(), cx)
});
}
pub fn close_inactive_items_and_panes(
&mut self,
_action: &CloseInactiveTabsAndPanes,
cx: &mut ViewContext<Self>,
) {
if let Some(task) = self.close_all_internal(true, cx) {
task.detach_and_log_err(cx)
}
}
pub fn close_all_items_and_panes(
&mut self,
_action: &CloseAllItemsAndPanes,
cx: &mut ViewContext<Self>,
) {
if let Some(task) = self.close_all_internal(false, cx) {
task.detach_and_log_err(cx)
}
}
fn close_all_internal(
&mut self,
retain_active_pane: bool,
cx: &mut ViewContext<Self>,
) -> Option<Task<Result<()>>> {
let current_pane = self.active_pane();
let mut tasks = Vec::new();
if retain_active_pane {
if let Some(current_pane_close) = current_pane.update(cx, |pane, cx| {
pane.close_inactive_items(&pane::CloseInactiveItems, cx)
}) {
tasks.push(current_pane_close);
};
}
for pane in self.panes() {
if retain_active_pane && pane.entity_id() == current_pane.entity_id() {
continue;
}
if let Some(close_pane_items) = pane.update(cx, |pane: &mut Pane, cx| {
pane.close_all_items(&pane::CloseAllItems, cx)
}) {
tasks.push(close_pane_items)
}
}
if tasks.is_empty() {
None
} else {
Some(cx.spawn(|_, _| async move {
for task in tasks {
task.await?
}
Ok(())
}))
}
}
pub fn weak_handle(&self) -> WeakView<Self> {
self.weak_self.clone()
}
pub fn left_dock(&self) -> &View<Dock> {
&self.left_dock
}
pub fn bottom_dock(&self) -> &View<Dock> {
&self.bottom_dock
}
pub fn right_dock(&self) -> &View<Dock> {
&self.right_dock
}
pub fn database_id(&self) -> Option<WorkspaceId> {
self.database_id
}
fn add_pane(&mut self, cx: &mut ViewContext<Self>) -> View<Pane> {
let pane = cx.new_view(|cx| Pane::new(self.weak_handle(), None, cx));
cx.subscribe(&pane, Self::handle_pane_event).detach();
self.panes.push(pane.clone());
cx.focus_view(&pane);
cx.emit(Event::PaneAdded(pane.clone()));
pane
}
pub fn split_pane(
&mut self,
pane_to_split: View<Pane>,
split_direction: SplitDirection,
cx: &mut ViewContext<Self>,
) -> View<Pane> {
let new_pane = self.add_pane(cx);
self.center
.split(&pane_to_split, &new_pane, split_direction)
.unwrap();
cx.notify();
new_pane
}
pub fn split_and_clone(
&mut self,
pane: View<Pane>,
direction: SplitDirection,
cx: &mut ViewContext<Self>,
) -> Option<View<Pane>> {
let item = pane.read(cx).active_item()?;
let maybe_pane_handle = if let Some(clone) = item.clone_on_split(self.database_id(), cx) {
let new_pane = self.add_pane(cx);
new_pane.update(cx, |pane, cx| pane.add_item(clone, true, true, None, cx));
self.center.split(&pane, &new_pane, direction).unwrap();
Some(new_pane)
} else {
None
};
cx.notify();
maybe_pane_handle
}
pub fn split_pane_with_item(
&mut self,
pane_to_split: WeakView<Pane>,
split_direction: SplitDirection,
from: WeakView<Pane>,
item_id_to_move: EntityId,
cx: &mut ViewContext<Self>,
) {
let Some(pane_to_split) = pane_to_split.upgrade() else {
return;
};
let Some(from) = from.upgrade() else {
return;
};
let new_pane = self.add_pane(cx);
self.move_item(from.clone(), new_pane.clone(), item_id_to_move, 0, cx);
self.center
.split(&pane_to_split, &new_pane, split_direction)
.unwrap();
cx.notify();
}
pub fn move_item(
&mut self,
source: View<Pane>,
destination: View<Pane>,
item_id_to_move: EntityId,
destination_index: usize,
cx: &mut ViewContext<Self>,
) {
let Some((item_ix, item_handle)) = source
.read(cx)
.items()
.enumerate()
.find(|(_, item_handle)| item_handle.item_id() == item_id_to_move)
else {
// Tab was closed during drag
return;
};
let item_handle = item_handle.clone();
if source != destination {
// Close item from previous pane
source.update(cx, |source, cx| {
source.remove_item(item_ix, false, cx);
});
}
// This automatically removes duplicate items in the pane
destination.update(cx, |destination, cx| {
destination.add_item(item_handle, true, true, Some(destination_index), cx);
destination.focus(cx)
});
}
fn remove_pane(&mut self, pane: View<Pane>, cx: &mut ViewContext<Self>) {
if self.center.remove(&pane).unwrap() {
self.force_remove_pane(&pane, cx);
for removed_item in pane.read(cx).items() {
self.panes_by_item.remove(&removed_item.item_id());
}
cx.notify();
}
cx.emit(Event::PaneRemoved);
}
fn force_remove_pane(&mut self, pane: &View<Pane>, cx: &mut ViewContext<Workspace>) {
self.panes.retain(|p| p != pane);
self.panes
.last()
.unwrap()
.update(cx, |pane, cx| pane.focus(cx));
if self.last_active_center_pane == Some(pane.downgrade()) {
self.last_active_center_pane = None;
}
cx.notify();
}
pub fn panes(&self) -> &[View<Pane>] {
&self.panes
}
pub fn active_pane(&self) -> &View<Pane> {
&self.active_pane
}
// pub fn reopen_closed_item(&mut self, cx: &mut ViewContext<Workspace>) -> Task<Result<()>> {
// self.navigate_history(
// self.active_pane().downgrade(),
// NavigationMode::ReopeningClosedItem,
// cx,
// )
// }
fn activate_pane_at_index(&mut self, action: &ActivatePane, cx: &mut ViewContext<Self>) {
let panes = self.center.panes();
if let Some(pane) = panes.get(action.0).map(|p| (*p).clone()) {
cx.focus_view(&pane);
} else {
self.split_and_clone(self.active_pane.clone(), SplitDirection::Right, cx);
}
}
pub fn activate_next_pane(&mut self, cx: &mut WindowContext) {
let panes = self.center.panes();
if let Some(ix) = panes.iter().position(|pane| **pane == self.active_pane) {
let next_ix = (ix + 1) % panes.len();
let next_pane = panes[next_ix].clone();
cx.focus_view(&next_pane);
}
}
pub fn activate_previous_pane(&mut self, cx: &mut WindowContext) {
let panes = self.center.panes();
if let Some(ix) = panes.iter().position(|pane| **pane == self.active_pane) {
let prev_ix = cmp::min(ix.wrapping_sub(1), panes.len() - 1);
let prev_pane = panes[prev_ix].clone();
cx.focus_view(&prev_pane);
}
}
pub fn activate_pane_in_direction(
&mut self,
direction: SplitDirection,
cx: &mut WindowContext,
) {
use ActivateInDirectionTarget as Target;
enum Origin {
LeftDock,
RightDock,
BottomDock,
Center,
}
let origin: Origin = [
(&self.left_dock, Origin::LeftDock),
(&self.right_dock, Origin::RightDock),
(&self.bottom_dock, Origin::BottomDock),
]
.into_iter()
.find_map(|(dock, origin)| {
if dock.focus_handle(cx).contains_focused(cx) && dock.read(cx).is_open() {
Some(origin)
} else {
None
}
})
.unwrap_or(Origin::Center);
let get_last_active_pane = || {
self.last_active_center_pane.as_ref().and_then(|p| {
let p = p.upgrade()?;
(p.read(cx).items_len() != 0).then_some(p)
})
};
let try_dock =
|dock: &View<Dock>| dock.read(cx).is_open().then(|| Target::Dock(dock.clone()));
let target = match (origin, direction) {
// We're in the center, so we first try to go to a different pane,
// otherwise try to go to a dock.
(Origin::Center, direction) => {
if let Some(pane) = self.find_pane_in_direction(direction, cx) {
Some(Target::Pane(pane))
} else {
match direction {
SplitDirection::Up => None,
SplitDirection::Down => try_dock(&self.bottom_dock),
SplitDirection::Left => try_dock(&self.left_dock),
SplitDirection::Right => try_dock(&self.right_dock),
}
}
}
(Origin::LeftDock, SplitDirection::Right) => {
if let Some(last_active_pane) = get_last_active_pane() {
Some(Target::Pane(last_active_pane))
} else {
try_dock(&self.bottom_dock).or_else(|| try_dock(&self.right_dock))
}
}
(Origin::LeftDock, SplitDirection::Down)
| (Origin::RightDock, SplitDirection::Down) => try_dock(&self.bottom_dock),
(Origin::BottomDock, SplitDirection::Up) => get_last_active_pane().map(Target::Pane),
(Origin::BottomDock, SplitDirection::Left) => try_dock(&self.left_dock),
(Origin::BottomDock, SplitDirection::Right) => try_dock(&self.right_dock),
(Origin::RightDock, SplitDirection::Left) => {
if let Some(last_active_pane) = get_last_active_pane() {
Some(Target::Pane(last_active_pane))
} else {
try_dock(&self.bottom_dock).or_else(|| try_dock(&self.left_dock))
}
}
_ => None,
};
match target {
Some(ActivateInDirectionTarget::Pane(pane)) => cx.focus_view(&pane),
Some(ActivateInDirectionTarget::Dock(dock)) => {
if let Some(panel) = dock.read(cx).active_panel() {
panel.focus_handle(cx).focus(cx);
} else {
log::error!("Could not find a focus target when in switching focus in {direction} direction for a {:?} dock", dock.read(cx).position());
}
}
None => {}
}
}
pub fn find_pane_in_direction(
&mut self,
direction: SplitDirection,
cx: &WindowContext,
) -> Option<View<Pane>> {
let Some(bounding_box) = self.center.bounding_box_for_pane(&self.active_pane) else {
return None;
};
let cursor = self.active_pane.read(cx).pixel_position_of_cursor(cx);
let center = match cursor {
Some(cursor) if bounding_box.contains(&cursor) => cursor,
_ => bounding_box.center(),
};
let distance_to_next = pane_group::HANDLE_HITBOX_SIZE;
let target = match direction {
SplitDirection::Left => {
Point::new(bounding_box.left() - distance_to_next.into(), center.y)
}
SplitDirection::Right => {
Point::new(bounding_box.right() + distance_to_next.into(), center.y)
}
SplitDirection::Up => {
Point::new(center.x, bounding_box.top() - distance_to_next.into())
}
SplitDirection::Down => {
Point::new(center.x, bounding_box.bottom() + distance_to_next.into())
}
};
self.center.pane_at_pixel_position(target).cloned()
}
pub fn swap_pane_in_direction(
&mut self,
direction: SplitDirection,
cx: &mut ViewContext<Self>,
) {
if let Some(to) = self
.find_pane_in_direction(direction, cx)
.map(|pane| pane.clone())
{
self.center.swap(&self.active_pane.clone(), &to);
cx.notify();
}
}
fn handle_pane_focused(&mut self, pane: View<Pane>, cx: &mut ViewContext<Self>) {
if self.active_pane != pane {
self.active_pane = pane.clone();
self.last_active_center_pane = Some(pane.downgrade());
}
self.dismiss_zoomed_items_to_reveal(None, cx);
if pane.read(cx).is_zoomed() {
self.zoomed = Some(pane.downgrade().into());
} else {
self.zoomed = None;
}
self.zoomed_position = None;
cx.emit(Event::ZoomChanged);
cx.notify();
}
fn handle_pane_event(
&mut self,
pane: View<Pane>,
event: &pane::Event,
cx: &mut ViewContext<Self>,
) {
match event {
pane::Event::AddItem { item } => {
item.added_to_pane(self, pane, cx);
cx.emit(Event::ItemAdded);
}
pane::Event::Split(direction) => {
self.split_and_clone(pane, *direction, cx);
}
pane::Event::Remove => self.remove_pane(pane, cx),
pane::Event::ActivateItem { local: _ } => {
cx.emit(Event::ActiveItemChanged);
}
pane::Event::ChangeItemTitle => {
cx.emit(Event::ActiveItemChanged);
}
pane::Event::RemoveItem { item_id } => {
cx.emit(Event::ActiveItemChanged);
if let hash_map::Entry::Occupied(entry) = self.panes_by_item.entry(*item_id) {
if entry.get().entity_id() == pane.entity_id() {
entry.remove();
}
}
}
pane::Event::Focus => {
self.handle_pane_focused(pane.clone(), cx);
}
pane::Event::ZoomIn => {
if pane == self.active_pane {
pane.update(cx, |pane, cx| pane.set_zoomed(true, cx));
if pane.read(cx).has_focus(cx) {
self.zoomed = Some(pane.downgrade().into());
self.zoomed_position = None;
cx.emit(Event::ZoomChanged);
}
cx.notify();
}
}
pane::Event::ZoomOut => {
pane.update(cx, |pane, cx| pane.set_zoomed(false, cx));
if self.zoomed_position.is_none() {
self.zoomed = None;
cx.emit(Event::ZoomChanged);
}
cx.notify();
}
}
self.serialize_workspace(cx);
}
pub fn toggle_dock(&mut self, dock_side: DockPosition, cx: &mut ViewContext<Self>) {
let dock = match dock_side {
DockPosition::Left => &self.left_dock,
DockPosition::Bottom => &self.bottom_dock,
DockPosition::Right => &self.right_dock,
};
let mut focus_center = false;
let mut reveal_dock = false;
dock.update(cx, |dock, cx| {
let other_is_zoomed = self.zoomed.is_some() && self.zoomed_position != Some(dock_side);
let was_visible = dock.is_open() && !other_is_zoomed;
dock.set_open(!was_visible, cx);
if let Some(active_panel) = dock.active_panel() {
if was_visible {
if active_panel.focus_handle(cx).contains_focused(cx) {
focus_center = true;
}
} else {
let focus_handle = &active_panel.focus_handle(cx);
cx.focus(focus_handle);
reveal_dock = true;
}
}
});
if reveal_dock {
self.dismiss_zoomed_items_to_reveal(Some(dock_side), cx);
}
if focus_center {
self.active_pane.update(cx, |pane, cx| pane.focus(cx))
}
cx.notify();
self.serialize_workspace(cx);
}
pub fn close_all_docks(&mut self, cx: &mut ViewContext<Self>) {
let docks = [&self.left_dock, &self.bottom_dock, &self.right_dock];
for dock in docks {
dock.update(cx, |dock, cx| {
dock.set_open(false, cx);
});
}
cx.focus_self();
cx.notify();
self.serialize_workspace(cx);
}
fn dismiss_zoomed_items_to_reveal(
&mut self,
dock_to_reveal: Option<DockPosition>,
cx: &mut ViewContext<Self>,
) {
// If a center pane is zoomed, unzoom it.
for pane in &self.panes {
if pane != &self.active_pane || dock_to_reveal.is_some() {
pane.update(cx, |pane, cx| pane.set_zoomed(false, cx));
}
}
// If another dock is zoomed, hide it.
let mut focus_center = false;
for dock in [&self.left_dock, &self.right_dock, &self.bottom_dock] {
dock.update(cx, |dock, cx| {
if Some(dock.position()) != dock_to_reveal {
if let Some(panel) = dock.active_panel() {
if panel.is_zoomed(cx) {
focus_center |= panel.focus_handle(cx).contains_focused(cx);
dock.set_open(false, cx);
}
}
}
});
}
if focus_center {
self.active_pane.update(cx, |pane, cx| pane.focus(cx))
}
if self.zoomed_position != dock_to_reveal {
self.zoomed = None;
self.zoomed_position = None;
cx.emit(Event::ZoomChanged);
}
cx.notify();
}
pub(crate) fn serialize_workspace(&mut self, _cx: &mut ViewContext<Self>) {
// if self._schedule_serialize.is_none() {
// self._schedule_serialize = Some(cx.spawn(|this, mut cx| async move {
// cx.background_executor()
// .timer(Duration::from_millis(100))
// .await;
// this.update(&mut cx, |this, cx| {
// this.serialize_workspace_internal(cx).detach();
// this._schedule_serialize.take();
// })
// .log_err();
// }));
// }
}
fn render_notifications(&self, _cx: &ViewContext<Self>) -> Option<Div> {
if self.notifications.is_empty() {
None
} else {
Some(
div()
.absolute()
.right_3()
.bottom_3()
.h_full()
.flex()
.flex_col()
.justify_end()
.gap_2()
.children(
self.notifications
.iter()
.map(|(_, notification)| notification.to_any()),
),
)
}
}
}
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