Show maximize/minimize icon for panes and terminal panel (#2521)

Antonio Scandurra created

Closes
https://linear.app/zed-industries/issue/Z-1790/show-zoomunzoom-icons-for-panes-and-terminal-panel

![CleanShot 2023-05-24 at 11 07
04@2x](https://github.com/zed-industries/zed/assets/482957/b27d002c-6443-440b-88d0-cfa06d902477)

Change summary

crates/terminal_view/src/terminal_panel.rs | 52 ++++++++++++++------
crates/workspace/src/pane.rs               | 59 +++++++++++++++++------
2 files changed, 77 insertions(+), 34 deletions(-)

Detailed changes

crates/terminal_view/src/terminal_panel.rs 🔗

@@ -62,24 +62,42 @@ impl TerminalPanel {
                         item.handle.act_as::<TerminalView>(cx).is_some()
                     })
             });
-            pane.set_render_tab_bar_buttons(cx, move |_, cx| {
+            pane.set_render_tab_bar_buttons(cx, move |pane, cx| {
                 let this = weak_self.clone();
-                Pane::render_tab_bar_button(
-                    0,
-                    "icons/plus_12.svg",
-                    cx,
-                    move |_, cx| {
-                        let this = this.clone();
-                        cx.window_context().defer(move |cx| {
-                            if let Some(this) = this.upgrade(cx) {
-                                this.update(cx, |this, cx| {
-                                    this.add_terminal(&Default::default(), cx);
-                                });
-                            }
-                        })
-                    },
-                    None,
-                )
+                Flex::row()
+                    .with_child(Pane::render_tab_bar_button(
+                        0,
+                        "icons/plus_12.svg",
+                        Some((
+                            "New Terminal".into(),
+                            Some(Box::new(workspace::NewTerminal)),
+                        )),
+                        cx,
+                        move |_, cx| {
+                            let this = this.clone();
+                            cx.window_context().defer(move |cx| {
+                                if let Some(this) = this.upgrade(cx) {
+                                    this.update(cx, |this, cx| {
+                                        this.add_terminal(&Default::default(), cx);
+                                    });
+                                }
+                            })
+                        },
+                        None,
+                    ))
+                    .with_child(Pane::render_tab_bar_button(
+                        1,
+                        if pane.is_zoomed() {
+                            "icons/minimize_8.svg"
+                        } else {
+                            "icons/maximize_8.svg"
+                        },
+                        Some(("Toggle Zoom".into(), Some(Box::new(workspace::ToggleZoom)))),
+                        cx,
+                        move |pane, cx| pane.toggle_zoom(&Default::default(), cx),
+                        None,
+                    ))
+                    .into_any()
             });
             pane
         });

crates/workspace/src/pane.rs 🔗

@@ -285,19 +285,33 @@ impl Pane {
                     .with_child(Self::render_tab_bar_button(
                         0,
                         "icons/plus_12.svg",
+                        Some(("New...".into(), None)),
                         cx,
                         |pane, cx| pane.deploy_new_menu(cx),
                         pane.tab_bar_context_menu
                             .handle_if_kind(TabBarContextMenuKind::New),
                     ))
                     .with_child(Self::render_tab_bar_button(
-                        2,
+                        1,
                         "icons/split_12.svg",
+                        Some(("Split Pane".into(), None)),
                         cx,
                         |pane, cx| pane.deploy_split_menu(cx),
                         pane.tab_bar_context_menu
                             .handle_if_kind(TabBarContextMenuKind::Split),
                     ))
+                    .with_child(Pane::render_tab_bar_button(
+                        2,
+                        if pane.is_zoomed() {
+                            "icons/minimize_8.svg"
+                        } else {
+                            "icons/maximize_8.svg"
+                        },
+                        Some(("Toggle Zoom".into(), Some(Box::new(ToggleZoom)))),
+                        cx,
+                        move |pane, cx| pane.toggle_zoom(&Default::default(), cx),
+                        None,
+                    ))
                     .into_any()
             }),
         }
@@ -684,6 +698,9 @@ impl Pane {
         if self.zoomed {
             cx.emit(Event::ZoomOut);
         } else if !self.items.is_empty() {
+            if !self.has_focus {
+                cx.focus_self();
+            }
             cx.emit(Event::ZoomIn);
         }
     }
@@ -1575,29 +1592,37 @@ impl Pane {
     pub fn render_tab_bar_button<F: 'static + Fn(&mut Pane, &mut EventContext<Pane>)>(
         index: usize,
         icon: &'static str,
+        tooltip: Option<(String, Option<Box<dyn Action>>)>,
         cx: &mut ViewContext<Pane>,
         on_click: F,
         context_menu: Option<ViewHandle<ContextMenu>>,
     ) -> AnyElement<Pane> {
         enum TabBarButton {}
 
+        let mut button = MouseEventHandler::<TabBarButton, _>::new(index, cx, |mouse_state, cx| {
+            let theme = &settings::get::<ThemeSettings>(cx).theme.workspace.tab_bar;
+            let style = theme.pane_button.style_for(mouse_state, false);
+            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)
+        })
+        .with_cursor_style(CursorStyle::PointingHand)
+        .on_click(MouseButton::Left, move |_, pane, cx| on_click(pane, cx))
+        .into_any();
+        if let Some((tooltip, action)) = tooltip {
+            let tooltip_style = settings::get::<ThemeSettings>(cx).theme.tooltip.clone();
+            button = button
+                .with_tooltip::<TabBarButton>(index, tooltip, action, tooltip_style, cx)
+                .into_any();
+        }
+
         Stack::new()
-            .with_child(
-                MouseEventHandler::<TabBarButton, _>::new(index, cx, |mouse_state, cx| {
-                    let theme = &settings::get::<ThemeSettings>(cx).theme.workspace.tab_bar;
-                    let style = theme.pane_button.style_for(mouse_state, false);
-                    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)
-                })
-                .with_cursor_style(CursorStyle::PointingHand)
-                .on_click(MouseButton::Left, move |_, pane, cx| on_click(pane, cx)),
-            )
+            .with_child(button)
             .with_children(
                 context_menu.map(|menu| ChildView::new(&menu, cx).aligned().bottom().right()),
             )