Extract quick_action_bar into its own crate

crates/quick_action_bar/src/quick_action_bar.rs

@@ -0,0 +1,174 @@
+use editor::Editor;
+use gpui::{
+    elements::{Empty, Flex, MouseEventHandler, ParentElement, Svg},
+    platform::{CursorStyle, MouseButton},
+    Action, AnyElement, Element, Entity, EventContext, Subscription, View, ViewContext, ViewHandle,
+};
+
+use search::{buffer_search, BufferSearchBar};
+use workspace::{item::ItemHandle, Pane, ToolbarItemLocation, ToolbarItemView};
+
+pub struct QuickActionBar {
+    pane: ViewHandle<Pane>,
+    active_item: Option<Box<dyn ItemHandle>>,
+    _inlays_enabled_subscription: Option<Subscription>,
+}
+
+impl QuickActionBar {
+    pub fn new(pane: ViewHandle<Pane>) -> Self {
+        Self {
+            pane,
+            active_item: None,
+            _inlays_enabled_subscription: None,
+        }
+    }
+
+    fn active_editor(&self) -> Option<ViewHandle<Editor>> {
+        self.active_item
+            .as_ref()
+            .and_then(|item| item.downcast::<Editor>())
+    }
+}
+
+impl Entity for QuickActionBar {
+    type Event = ();
+}
+
+impl View for QuickActionBar {
+    fn ui_name() -> &'static str {
+        "QuickActionsBar"
+    }
+
+    fn render(&mut self, cx: &mut gpui::ViewContext<'_, '_, Self>) -> gpui::AnyElement<Self> {
+        let Some(editor) = self.active_editor() else { return Empty::new().into_any(); };
+
+        let inlays_enabled = editor.read(cx).inlays_enabled();
+        let mut bar = Flex::row().with_child(render_quick_action_bar_button(
+            0,
+            "icons/hamburger_15.svg",
+            inlays_enabled,
+            ("Inlays".to_string(), Some(Box::new(editor::ToggleInlays))),
+            cx,
+            |this, cx| {
+                if let Some(editor) = this.active_editor() {
+                    editor.update(cx, |editor, cx| {
+                        editor.toggle_inlays(&editor::ToggleInlays, cx);
+                    });
+                }
+            },
+        ));
+
+        if editor.read(cx).buffer().read(cx).is_singleton() {
+            let buffer_search_bar = self
+                .pane
+                .read(cx)
+                .toolbar()
+                .read(cx)
+                .item_of_type::<BufferSearchBar>();
+            let search_bar_shown = buffer_search_bar
+                .as_ref()
+                .map(|bar| !bar.read(cx).is_dismissed())
+                .unwrap_or(false);
+
+            let search_action = buffer_search::Deploy { focus: true };
+
+            bar = bar.with_child(render_quick_action_bar_button(
+                1,
+                "icons/magnifying_glass_12.svg",
+                search_bar_shown,
+                (
+                    "Buffer search".to_string(),
+                    Some(Box::new(search_action.clone())),
+                ),
+                cx,
+                move |this, cx| {
+                    if search_bar_shown {
+                        if let Some(buffer_search_bar) = buffer_search_bar.as_ref() {
+                            buffer_search_bar.update(cx, |buffer_search_bar, cx| {
+                                buffer_search_bar.dismiss(&buffer_search::Dismiss, cx);
+                            });
+                        }
+                    } else {
+                        this.pane.update(cx, |pane, cx| {
+                            BufferSearchBar::deploy(pane, &search_action, cx);
+                        });
+                    }
+                },
+            ));
+        }
+
+        bar.into_any()
+    }
+}
+
+fn render_quick_action_bar_button<
+    F: 'static + Fn(&mut QuickActionBar, &mut EventContext<QuickActionBar>),
+>(
+    index: usize,
+    icon: &'static str,
+    toggled: bool,
+    tooltip: (String, Option<Box<dyn Action>>),
+    cx: &mut ViewContext<QuickActionBar>,
+    on_click: F,
+) -> AnyElement<QuickActionBar> {
+    enum QuickActionBarButton {}
+
+    let theme = theme::current(cx);
+    let (tooltip_text, action) = tooltip;
+
+    MouseEventHandler::<QuickActionBarButton, _>::new(index, cx, |mouse_state, _| {
+        let style = theme
+            .workspace
+            .toolbar
+            .toggleable_tool
+            .in_state(toggled)
+            .style_for(mouse_state);
+        Svg::new(icon)
+            .with_color(style.color)
+            .constrained()
+            .with_width(style.icon_width)
+            .aligned()
+            .constrained()
+            .with_width(style.button_width)
+            .with_height(style.button_width)
+            .contained()
+            .with_style(style.container)
+    })
+    .with_cursor_style(CursorStyle::PointingHand)
+    .on_click(MouseButton::Left, move |_, pane, cx| on_click(pane, cx))
+    .with_tooltip::<QuickActionBarButton>(index, tooltip_text, action, theme.tooltip.clone(), cx)
+    .into_any_named("quick action bar button")
+}
+
+impl ToolbarItemView for QuickActionBar {
+    fn set_active_pane_item(
+        &mut self,
+        active_pane_item: Option<&dyn ItemHandle>,
+        cx: &mut ViewContext<Self>,
+    ) -> ToolbarItemLocation {
+        match active_pane_item {
+            Some(active_item) => {
+                self.active_item = Some(active_item.boxed_clone());
+                self._inlays_enabled_subscription.take();
+
+                if let Some(editor) = active_item.downcast::<Editor>() {
+                    let mut inlays_enabled = editor.read(cx).inlays_enabled();
+                    self._inlays_enabled_subscription =
+                        Some(cx.observe(&editor, move |_, editor, cx| {
+                            let new_inlays_enabled = editor.read(cx).inlays_enabled();
+                            if inlays_enabled != new_inlays_enabled {
+                                inlays_enabled = new_inlays_enabled;
+                                cx.notify();
+                            }
+                        }));
+                }
+
+                ToolbarItemLocation::PrimaryRight { flex: None }
+            }
+            None => {
+                self.active_item = None;
+                ToolbarItemLocation::Hidden
+            }
+        }
+    }
+}