Add a terminal button to status bar

Co-Authored-By: Petros Amoiridis <petros@hey.com>

crates/workspace/src/terminal_button.rs

@@ -0,0 +1,86 @@
+use gpui::{
+    elements::{Empty, MouseEventHandler, Svg},
+    CursorStyle, Element, ElementBox, Entity, MouseButton, RenderContext, View, ViewContext,
+    ViewHandle, WeakViewHandle,
+};
+use settings::Settings;
+
+use crate::{dock::FocusDock, item::ItemHandle, StatusItemView, Workspace};
+
+pub struct TerminalButton {
+    workspace: WeakViewHandle<Workspace>,
+}
+
+impl TerminalButton {
+    pub fn new(workspace: ViewHandle<Workspace>, cx: &mut ViewContext<Self>) -> Self {
+        // When dock moves, redraw so that the icon and toggle status matches.
+        cx.subscribe(&workspace, |_, _, _, cx| cx.notify()).detach();
+
+        Self {
+            workspace: workspace.downgrade(),
+        }
+    }
+}
+
+impl Entity for TerminalButton {
+    type Event = ();
+}
+
+impl View for TerminalButton {
+    fn ui_name() -> &'static str {
+        "TerminalButton"
+    }
+
+    fn render(&mut self, cx: &mut RenderContext<'_, Self>) -> ElementBox {
+        let workspace = self.workspace.upgrade(cx);
+
+        if workspace.is_none() {
+            return Empty::new().boxed();
+        }
+
+        // let workspace = workspace.unwrap();
+        let theme = cx.global::<Settings>().theme.clone();
+
+        MouseEventHandler::<Self>::new(0, cx, {
+            let theme = theme.clone();
+            move |state, _| {
+                let style = theme
+                    .workspace
+                    .status_bar
+                    .sidebar_buttons
+                    .item
+                    .style_for(state, true);
+
+                Svg::new("icons/terminal_12.svg")
+                    .with_color(style.icon_color)
+                    .constrained()
+                    .with_width(style.icon_size)
+                    .with_height(style.icon_size)
+                    .contained()
+                    .with_style(style.container)
+                    .boxed()
+            }
+        })
+        .with_cursor_style(CursorStyle::PointingHand)
+        .on_up(MouseButton::Left, move |_, _| {
+            // let dock_pane = workspace.read(cx.app).dock_pane();
+            // let drop_index = dock_pane.read(cx.app).items_len() + 1;
+            // handle_dropped_item(event, &dock_pane.downgrade(), drop_index, false, None, cx);
+        })
+        .on_click(MouseButton::Left, |_, cx| {
+            cx.dispatch_action(FocusDock);
+        })
+        .with_tooltip::<Self, _>(
+            0,
+            "Show Terminal".into(),
+            Some(Box::new(FocusDock)),
+            theme.tooltip.clone(),
+            cx,
+        )
+        .boxed()
+    }
+}
+
+impl StatusItemView for TerminalButton {
+    fn set_active_pane_item(&mut self, _: Option<&dyn ItemHandle>, _: &mut ViewContext<Self>) {}
+}

crates/workspace/src/workspace.rs

@@ -12,6 +12,7 @@ pub mod searchable;
 pub mod shared_screen;
 pub mod sidebar;
 mod status_bar;
+pub mod terminal_button;
 mod toolbar;
 
 pub use smallvec;
@@ -56,6 +57,7 @@ use std::{
     sync::Arc,
     time::Duration,
 };
+use terminal_button::TerminalButton;
 
 use crate::{
     notifications::simple_message_notification::{MessageNotification, OsOpen},
@@ -584,6 +586,7 @@ impl Workspace {
         let left_sidebar = cx.add_view(|_| Sidebar::new(SidebarSide::Left));
         let right_sidebar = cx.add_view(|_| Sidebar::new(SidebarSide::Right));
         let left_sidebar_buttons = cx.add_view(|cx| SidebarButtons::new(left_sidebar.clone(), cx));
+        let toggle_terminal = cx.add_view(|cx| TerminalButton::new(handle.clone(), cx));
         let toggle_dock = cx.add_view(|cx| ToggleDockButton::new(handle, cx));
         let right_sidebar_buttons =
             cx.add_view(|cx| SidebarButtons::new(right_sidebar.clone(), cx));
@@ -592,6 +595,7 @@ impl Workspace {
             status_bar.add_left_item(left_sidebar_buttons, cx);
             status_bar.add_right_item(right_sidebar_buttons, cx);
             status_bar.add_right_item(toggle_dock, cx);
+            status_bar.add_right_item(toggle_terminal, cx);
             status_bar
         });