741 lines
24 KiB
Rust
741 lines
24 KiB
Rust
use crate::{StatusItemView, Workspace};
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use context_menu::{ContextMenu, ContextMenuItem};
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use gpui::{
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elements::*, platform::CursorStyle, platform::MouseButton, Action, AnyViewHandle, AppContext,
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Axis, Entity, Subscription, View, ViewContext, ViewHandle, WeakViewHandle, WindowContext,
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};
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use serde::Deserialize;
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use std::rc::Rc;
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use theme::ThemeSettings;
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pub trait Panel: View {
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fn position(&self, cx: &WindowContext) -> DockPosition;
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fn position_is_valid(&self, position: DockPosition) -> bool;
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fn set_position(&mut self, position: DockPosition, cx: &mut ViewContext<Self>);
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fn size(&self, cx: &WindowContext) -> f32;
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fn set_size(&mut self, size: f32, cx: &mut ViewContext<Self>);
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fn icon_path(&self) -> &'static str;
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fn icon_tooltip(&self) -> (String, Option<Box<dyn Action>>);
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fn icon_label(&self, _: &WindowContext) -> Option<String> {
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None
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}
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fn should_change_position_on_event(_: &Self::Event) -> bool;
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fn should_zoom_in_on_event(_: &Self::Event) -> bool {
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false
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}
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fn should_zoom_out_on_event(_: &Self::Event) -> bool {
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false
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}
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fn is_zoomed(&self, _cx: &WindowContext) -> bool {
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false
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}
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fn set_zoomed(&mut self, _zoomed: bool, _cx: &mut ViewContext<Self>) {}
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fn set_active(&mut self, _active: bool, _cx: &mut ViewContext<Self>) {}
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fn should_activate_on_event(_: &Self::Event) -> bool {
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false
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}
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fn should_close_on_event(_: &Self::Event) -> bool {
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false
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}
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fn has_focus(&self, cx: &WindowContext) -> bool;
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fn is_focus_event(_: &Self::Event) -> bool;
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}
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pub trait PanelHandle {
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fn id(&self) -> usize;
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fn position(&self, cx: &WindowContext) -> DockPosition;
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fn position_is_valid(&self, position: DockPosition, cx: &WindowContext) -> bool;
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fn set_position(&self, position: DockPosition, cx: &mut WindowContext);
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fn is_zoomed(&self, cx: &WindowContext) -> bool;
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fn set_zoomed(&self, zoomed: bool, cx: &mut WindowContext);
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fn set_active(&self, active: bool, cx: &mut WindowContext);
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fn size(&self, cx: &WindowContext) -> f32;
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fn set_size(&self, size: f32, cx: &mut WindowContext);
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fn icon_path(&self, cx: &WindowContext) -> &'static str;
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fn icon_tooltip(&self, cx: &WindowContext) -> (String, Option<Box<dyn Action>>);
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fn icon_label(&self, cx: &WindowContext) -> Option<String>;
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fn has_focus(&self, cx: &WindowContext) -> bool;
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fn as_any(&self) -> &AnyViewHandle;
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}
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impl<T> PanelHandle for ViewHandle<T>
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where
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T: Panel,
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{
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fn id(&self) -> usize {
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self.id()
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}
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fn position(&self, cx: &WindowContext) -> DockPosition {
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self.read(cx).position(cx)
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}
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fn position_is_valid(&self, position: DockPosition, cx: &WindowContext) -> bool {
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self.read(cx).position_is_valid(position)
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}
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fn set_position(&self, position: DockPosition, cx: &mut WindowContext) {
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self.update(cx, |this, cx| this.set_position(position, cx))
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}
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fn size(&self, cx: &WindowContext) -> f32 {
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self.read(cx).size(cx)
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}
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fn set_size(&self, size: f32, cx: &mut WindowContext) {
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self.update(cx, |this, cx| this.set_size(size, cx))
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}
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fn is_zoomed(&self, cx: &WindowContext) -> bool {
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self.read(cx).is_zoomed(cx)
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}
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fn set_zoomed(&self, zoomed: bool, cx: &mut WindowContext) {
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self.update(cx, |this, cx| this.set_zoomed(zoomed, cx))
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}
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fn set_active(&self, active: bool, cx: &mut WindowContext) {
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self.update(cx, |this, cx| this.set_active(active, cx))
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}
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fn icon_path(&self, cx: &WindowContext) -> &'static str {
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self.read(cx).icon_path()
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}
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fn icon_tooltip(&self, cx: &WindowContext) -> (String, Option<Box<dyn Action>>) {
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self.read(cx).icon_tooltip()
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}
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fn icon_label(&self, cx: &WindowContext) -> Option<String> {
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self.read(cx).icon_label(cx)
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}
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fn has_focus(&self, cx: &WindowContext) -> bool {
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self.read(cx).has_focus(cx)
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}
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fn as_any(&self) -> &AnyViewHandle {
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self
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}
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}
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impl From<&dyn PanelHandle> for AnyViewHandle {
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fn from(val: &dyn PanelHandle) -> Self {
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val.as_any().clone()
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}
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}
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pub struct Dock {
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position: DockPosition,
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panel_entries: Vec<PanelEntry>,
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is_open: bool,
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active_panel_index: usize,
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}
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#[derive(Clone, Copy, Debug, Deserialize, PartialEq)]
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pub enum DockPosition {
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Left,
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Bottom,
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Right,
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}
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impl DockPosition {
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fn to_label(&self) -> &'static str {
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match self {
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Self::Left => "left",
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Self::Bottom => "bottom",
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Self::Right => "right",
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}
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}
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fn to_resize_handle_side(self) -> HandleSide {
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match self {
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Self::Left => HandleSide::Right,
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Self::Bottom => HandleSide::Top,
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Self::Right => HandleSide::Left,
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}
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}
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pub fn axis(&self) -> Axis {
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match self {
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Self::Left | Self::Right => Axis::Horizontal,
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Self::Bottom => Axis::Vertical,
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}
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}
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}
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struct PanelEntry {
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panel: Rc<dyn PanelHandle>,
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context_menu: ViewHandle<ContextMenu>,
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_subscriptions: [Subscription; 2],
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}
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pub struct PanelButtons {
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dock: ViewHandle<Dock>,
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workspace: WeakViewHandle<Workspace>,
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}
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impl Dock {
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pub fn new(position: DockPosition) -> Self {
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Self {
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position,
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panel_entries: Default::default(),
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active_panel_index: 0,
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is_open: false,
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}
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}
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pub fn position(&self) -> DockPosition {
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self.position
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}
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pub fn is_open(&self) -> bool {
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self.is_open
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}
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pub fn has_focus(&self, cx: &WindowContext) -> bool {
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self.visible_panel()
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.map_or(false, |panel| panel.has_focus(cx))
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}
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pub fn panel<T: Panel>(&self) -> Option<ViewHandle<T>> {
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self.panel_entries
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.iter()
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.find_map(|entry| entry.panel.as_any().clone().downcast())
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}
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pub fn panel_index_for_type<T: Panel>(&self) -> Option<usize> {
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self.panel_entries
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.iter()
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.position(|entry| entry.panel.as_any().is::<T>())
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}
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pub fn panel_index_for_ui_name(&self, ui_name: &str, cx: &AppContext) -> Option<usize> {
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self.panel_entries.iter().position(|entry| {
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let panel = entry.panel.as_any();
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cx.view_ui_name(panel.window_id(), panel.id()) == Some(ui_name)
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})
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}
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pub fn active_panel_index(&self) -> usize {
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self.active_panel_index
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}
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pub(crate) fn set_open(&mut self, open: bool, cx: &mut ViewContext<Self>) {
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if open != self.is_open {
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self.is_open = open;
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if let Some(active_panel) = self.panel_entries.get(self.active_panel_index) {
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active_panel.panel.set_active(open, cx);
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}
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cx.notify();
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}
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}
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pub fn set_panel_zoomed(
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&mut self,
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panel: &AnyViewHandle,
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zoomed: bool,
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cx: &mut ViewContext<Self>,
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) {
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for entry in &mut self.panel_entries {
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if entry.panel.as_any() == panel {
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if zoomed != entry.panel.is_zoomed(cx) {
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entry.panel.set_zoomed(zoomed, cx);
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}
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} else if entry.panel.is_zoomed(cx) {
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entry.panel.set_zoomed(false, cx);
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}
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}
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cx.notify();
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}
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pub fn zoom_out(&mut self, cx: &mut ViewContext<Self>) {
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for entry in &mut self.panel_entries {
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if entry.panel.is_zoomed(cx) {
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entry.panel.set_zoomed(false, cx);
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}
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}
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}
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pub(crate) fn add_panel<T: Panel>(&mut self, panel: ViewHandle<T>, cx: &mut ViewContext<Self>) {
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let subscriptions = [
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cx.observe(&panel, |_, _, cx| cx.notify()),
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cx.subscribe(&panel, |this, panel, event, cx| {
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if T::should_activate_on_event(event) {
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if let Some(ix) = this
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.panel_entries
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.iter()
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.position(|entry| entry.panel.id() == panel.id())
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{
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this.set_open(true, cx);
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this.activate_panel(ix, cx);
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cx.focus(&panel);
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}
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} else if T::should_close_on_event(event)
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&& this.visible_panel().map_or(false, |p| p.id() == panel.id())
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{
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this.set_open(false, cx);
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}
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}),
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];
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let dock_view_id = cx.view_id();
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self.panel_entries.push(PanelEntry {
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panel: Rc::new(panel),
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context_menu: cx.add_view(|cx| {
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let mut menu = ContextMenu::new(dock_view_id, cx);
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menu.set_position_mode(OverlayPositionMode::Local);
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menu
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}),
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_subscriptions: subscriptions,
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});
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cx.notify()
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}
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pub fn remove_panel<T: Panel>(&mut self, panel: &ViewHandle<T>, cx: &mut ViewContext<Self>) {
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if let Some(panel_ix) = self
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.panel_entries
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.iter()
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.position(|entry| entry.panel.id() == panel.id())
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{
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if panel_ix == self.active_panel_index {
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self.active_panel_index = 0;
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self.set_open(false, cx);
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} else if panel_ix < self.active_panel_index {
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self.active_panel_index -= 1;
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}
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self.panel_entries.remove(panel_ix);
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cx.notify();
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}
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}
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pub fn panels_len(&self) -> usize {
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self.panel_entries.len()
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}
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pub fn activate_panel(&mut self, panel_ix: usize, cx: &mut ViewContext<Self>) {
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if panel_ix != self.active_panel_index {
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if let Some(active_panel) = self.panel_entries.get(self.active_panel_index) {
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active_panel.panel.set_active(false, cx);
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}
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self.active_panel_index = panel_ix;
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if let Some(active_panel) = self.panel_entries.get(self.active_panel_index) {
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active_panel.panel.set_active(true, cx);
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}
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cx.notify();
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}
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}
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pub fn visible_panel(&self) -> Option<&Rc<dyn PanelHandle>> {
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let entry = self.visible_entry()?;
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Some(&entry.panel)
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}
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pub fn active_panel(&self) -> Option<&Rc<dyn PanelHandle>> {
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Some(&self.panel_entries.get(self.active_panel_index)?.panel)
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}
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fn visible_entry(&self) -> Option<&PanelEntry> {
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if self.is_open {
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self.panel_entries.get(self.active_panel_index)
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} else {
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None
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}
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}
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pub fn zoomed_panel(&self, cx: &WindowContext) -> Option<Rc<dyn PanelHandle>> {
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let entry = self.visible_entry()?;
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if entry.panel.is_zoomed(cx) {
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Some(entry.panel.clone())
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} else {
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None
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}
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}
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pub fn panel_size(&self, panel: &dyn PanelHandle, cx: &WindowContext) -> Option<f32> {
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self.panel_entries
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.iter()
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.find(|entry| entry.panel.id() == panel.id())
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.map(|entry| entry.panel.size(cx))
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}
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pub fn active_panel_size(&self, cx: &WindowContext) -> Option<f32> {
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if self.is_open {
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self.panel_entries
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.get(self.active_panel_index)
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.map(|entry| entry.panel.size(cx))
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} else {
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None
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}
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}
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pub fn resize_active_panel(&mut self, size: f32, cx: &mut ViewContext<Self>) {
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if let Some(entry) = self.panel_entries.get_mut(self.active_panel_index) {
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entry.panel.set_size(size, cx);
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cx.notify();
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}
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}
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pub fn render_placeholder(&self, cx: &WindowContext) -> AnyElement<Workspace> {
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if let Some(active_entry) = self.visible_entry() {
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Empty::new()
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.into_any()
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.contained()
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.with_style(self.style(cx))
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.resizable(
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self.position.to_resize_handle_side(),
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active_entry.panel.size(cx),
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|_, _, _| {},
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)
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.into_any()
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} else {
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Empty::new().into_any()
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}
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}
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fn style(&self, cx: &WindowContext) -> ContainerStyle {
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let theme = &settings::get::<ThemeSettings>(cx).theme;
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let style = match self.position {
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DockPosition::Left => theme.workspace.dock.left,
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DockPosition::Bottom => theme.workspace.dock.bottom,
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DockPosition::Right => theme.workspace.dock.right,
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};
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style
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}
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}
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impl Entity for Dock {
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type Event = ();
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}
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impl View for Dock {
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fn ui_name() -> &'static str {
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"Dock"
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}
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fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
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if let Some(active_entry) = self.visible_entry() {
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let style = self.style(cx);
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ChildView::new(active_entry.panel.as_any(), cx)
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.contained()
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.with_style(style)
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.resizable(
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self.position.to_resize_handle_side(),
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active_entry.panel.size(cx),
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|dock: &mut Self, size, cx| dock.resize_active_panel(size, cx),
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)
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.into_any()
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} else {
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Empty::new().into_any()
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}
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}
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|
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fn focus_in(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
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if cx.is_self_focused() {
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if let Some(active_entry) = self.visible_entry() {
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cx.focus(active_entry.panel.as_any());
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} else {
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cx.focus_parent();
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}
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}
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}
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}
|
|
|
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impl PanelButtons {
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pub fn new(
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dock: ViewHandle<Dock>,
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workspace: WeakViewHandle<Workspace>,
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cx: &mut ViewContext<Self>,
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) -> Self {
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cx.observe(&dock, |_, _, cx| cx.notify()).detach();
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Self { dock, workspace }
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}
|
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}
|
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|
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impl Entity for PanelButtons {
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type Event = ();
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}
|
|
|
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impl View for PanelButtons {
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fn ui_name() -> &'static str {
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"PanelButtons"
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}
|
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|
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fn render(&mut self, cx: &mut ViewContext<Self>) -> AnyElement<Self> {
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let theme = &settings::get::<ThemeSettings>(cx).theme;
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let tooltip_style = theme.tooltip.clone();
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let theme = &theme.workspace.status_bar.panel_buttons;
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let button_style = theme.button.clone();
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let dock = self.dock.read(cx);
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let active_ix = dock.active_panel_index;
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let is_open = dock.is_open;
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let dock_position = dock.position;
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let group_style = match dock_position {
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DockPosition::Left => theme.group_left,
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DockPosition::Bottom => theme.group_bottom,
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|
DockPosition::Right => theme.group_right,
|
|
};
|
|
let menu_corner = match dock_position {
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|
DockPosition::Left => AnchorCorner::BottomLeft,
|
|
DockPosition::Bottom | DockPosition::Right => AnchorCorner::BottomRight,
|
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};
|
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|
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let panels = dock
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.panel_entries
|
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.iter()
|
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.map(|item| (item.panel.clone(), item.context_menu.clone()))
|
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.collect::<Vec<_>>();
|
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Flex::row()
|
|
.with_children(panels.into_iter().enumerate().map(
|
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|(panel_ix, (view, context_menu))| {
|
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let is_active = is_open && panel_ix == active_ix;
|
|
let (tooltip, tooltip_action) = if is_active {
|
|
(
|
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format!("Close {} dock", dock_position.to_label()),
|
|
Some(match dock_position {
|
|
DockPosition::Left => crate::ToggleLeftDock.boxed_clone(),
|
|
DockPosition::Bottom => crate::ToggleBottomDock.boxed_clone(),
|
|
DockPosition::Right => crate::ToggleRightDock.boxed_clone(),
|
|
}),
|
|
)
|
|
} else {
|
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view.icon_tooltip(cx)
|
|
};
|
|
Stack::new()
|
|
.with_child(
|
|
MouseEventHandler::<Self, _>::new(panel_ix, cx, |state, cx| {
|
|
let style = button_style.in_state(is_active);
|
|
|
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let style = style.style_for(state);
|
|
Flex::row()
|
|
.with_child(
|
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Svg::new(view.icon_path(cx))
|
|
.with_color(style.icon_color)
|
|
.constrained()
|
|
.with_width(style.icon_size)
|
|
.aligned(),
|
|
)
|
|
.with_children(if let Some(label) = view.icon_label(cx) {
|
|
Some(
|
|
Label::new(label, style.label.text.clone())
|
|
.contained()
|
|
.with_style(style.label.container)
|
|
.aligned(),
|
|
)
|
|
} else {
|
|
None
|
|
})
|
|
.constrained()
|
|
.with_height(style.icon_size)
|
|
.contained()
|
|
.with_style(style.container)
|
|
})
|
|
.with_cursor_style(CursorStyle::PointingHand)
|
|
.on_click(MouseButton::Left, {
|
|
let tooltip_action =
|
|
tooltip_action.as_ref().map(|action| action.boxed_clone());
|
|
move |_, this, cx| {
|
|
if let Some(tooltip_action) = &tooltip_action {
|
|
let window_id = cx.window_id();
|
|
let view_id = this.workspace.id();
|
|
let tooltip_action = tooltip_action.boxed_clone();
|
|
cx.spawn(|_, mut cx| async move {
|
|
cx.dispatch_action(
|
|
window_id,
|
|
view_id,
|
|
&*tooltip_action,
|
|
)
|
|
.ok();
|
|
})
|
|
.detach();
|
|
}
|
|
}
|
|
})
|
|
.on_click(MouseButton::Right, {
|
|
let view = view.clone();
|
|
let menu = context_menu.clone();
|
|
move |_, _, cx| {
|
|
const POSITIONS: [DockPosition; 3] = [
|
|
DockPosition::Left,
|
|
DockPosition::Right,
|
|
DockPosition::Bottom,
|
|
];
|
|
|
|
menu.update(cx, |menu, cx| {
|
|
let items = POSITIONS
|
|
.into_iter()
|
|
.filter(|position| {
|
|
*position != dock_position
|
|
&& view.position_is_valid(*position, cx)
|
|
})
|
|
.map(|position| {
|
|
let view = view.clone();
|
|
ContextMenuItem::handler(
|
|
format!("Dock {}", position.to_label()),
|
|
move |cx| view.set_position(position, cx),
|
|
)
|
|
})
|
|
.collect();
|
|
menu.show(Default::default(), menu_corner, items, cx);
|
|
})
|
|
}
|
|
})
|
|
.with_tooltip::<Self>(
|
|
panel_ix,
|
|
tooltip,
|
|
tooltip_action,
|
|
tooltip_style.clone(),
|
|
cx,
|
|
),
|
|
)
|
|
.with_child(ChildView::new(&context_menu, cx))
|
|
},
|
|
))
|
|
.contained()
|
|
.with_style(group_style)
|
|
.into_any()
|
|
}
|
|
}
|
|
|
|
impl StatusItemView for PanelButtons {
|
|
fn set_active_pane_item(
|
|
&mut self,
|
|
_: Option<&dyn crate::ItemHandle>,
|
|
_: &mut ViewContext<Self>,
|
|
) {
|
|
}
|
|
}
|
|
|
|
#[cfg(any(test, feature = "test-support"))]
|
|
pub mod test {
|
|
use super::*;
|
|
use gpui::{ViewContext, WindowContext};
|
|
|
|
#[derive(Debug)]
|
|
pub enum TestPanelEvent {
|
|
PositionChanged,
|
|
Activated,
|
|
Closed,
|
|
ZoomIn,
|
|
ZoomOut,
|
|
Focus,
|
|
}
|
|
|
|
pub struct TestPanel {
|
|
pub position: DockPosition,
|
|
pub zoomed: bool,
|
|
pub active: bool,
|
|
pub has_focus: bool,
|
|
pub size: f32,
|
|
}
|
|
|
|
impl TestPanel {
|
|
pub fn new(position: DockPosition) -> Self {
|
|
Self {
|
|
position,
|
|
zoomed: false,
|
|
active: false,
|
|
has_focus: false,
|
|
size: 300.,
|
|
}
|
|
}
|
|
}
|
|
|
|
impl Entity for TestPanel {
|
|
type Event = TestPanelEvent;
|
|
}
|
|
|
|
impl View for TestPanel {
|
|
fn ui_name() -> &'static str {
|
|
"TestPanel"
|
|
}
|
|
|
|
fn render(&mut self, _: &mut ViewContext<'_, '_, Self>) -> AnyElement<Self> {
|
|
Empty::new().into_any()
|
|
}
|
|
|
|
fn focus_in(&mut self, _: AnyViewHandle, cx: &mut ViewContext<Self>) {
|
|
self.has_focus = true;
|
|
cx.emit(TestPanelEvent::Focus);
|
|
}
|
|
|
|
fn focus_out(&mut self, _: AnyViewHandle, _: &mut ViewContext<Self>) {
|
|
self.has_focus = false;
|
|
}
|
|
}
|
|
|
|
impl Panel for TestPanel {
|
|
fn position(&self, _: &gpui::WindowContext) -> super::DockPosition {
|
|
self.position
|
|
}
|
|
|
|
fn position_is_valid(&self, _: super::DockPosition) -> bool {
|
|
true
|
|
}
|
|
|
|
fn set_position(&mut self, position: DockPosition, cx: &mut ViewContext<Self>) {
|
|
self.position = position;
|
|
cx.emit(TestPanelEvent::PositionChanged);
|
|
}
|
|
|
|
fn is_zoomed(&self, _: &WindowContext) -> bool {
|
|
self.zoomed
|
|
}
|
|
|
|
fn set_zoomed(&mut self, zoomed: bool, _cx: &mut ViewContext<Self>) {
|
|
self.zoomed = zoomed;
|
|
}
|
|
|
|
fn set_active(&mut self, active: bool, _cx: &mut ViewContext<Self>) {
|
|
self.active = active;
|
|
}
|
|
|
|
fn size(&self, _: &WindowContext) -> f32 {
|
|
self.size
|
|
}
|
|
|
|
fn set_size(&mut self, size: f32, _: &mut ViewContext<Self>) {
|
|
self.size = size;
|
|
}
|
|
|
|
fn icon_path(&self) -> &'static str {
|
|
"icons/test_panel.svg"
|
|
}
|
|
|
|
fn icon_tooltip(&self) -> (String, Option<Box<dyn Action>>) {
|
|
("Test Panel".into(), None)
|
|
}
|
|
|
|
fn should_change_position_on_event(event: &Self::Event) -> bool {
|
|
matches!(event, TestPanelEvent::PositionChanged)
|
|
}
|
|
|
|
fn should_zoom_in_on_event(event: &Self::Event) -> bool {
|
|
matches!(event, TestPanelEvent::ZoomIn)
|
|
}
|
|
|
|
fn should_zoom_out_on_event(event: &Self::Event) -> bool {
|
|
matches!(event, TestPanelEvent::ZoomOut)
|
|
}
|
|
|
|
fn should_activate_on_event(event: &Self::Event) -> bool {
|
|
matches!(event, TestPanelEvent::Activated)
|
|
}
|
|
|
|
fn should_close_on_event(event: &Self::Event) -> bool {
|
|
matches!(event, TestPanelEvent::Closed)
|
|
}
|
|
|
|
fn has_focus(&self, _cx: &WindowContext) -> bool {
|
|
self.has_focus
|
|
}
|
|
|
|
fn is_focus_event(event: &Self::Event) -> bool {
|
|
matches!(event, TestPanelEvent::Focus)
|
|
}
|
|
}
|
|
}
|