Open URLs with cmd-click (#7312)

Release Notes:

- Added ability to cmd-click on URLs in all buffers

---------

Co-authored-by: fdionisi <code@fdionisi.me>

crates/gpui/src/app/test_context.rs

@@ -1,9 +1,10 @@
 use crate::{
     Action, AnyElement, AnyView, AnyWindowHandle, AppCell, AppContext, AsyncAppContext,
     AvailableSpace, BackgroundExecutor, Bounds, ClipboardItem, Context, Entity, EventEmitter,
-    ForegroundExecutor, Global, InputEvent, Keystroke, Model, ModelContext, Pixels, Platform,
-    Point, Render, Result, Size, Task, TestDispatcher, TestPlatform, TestWindow, TextSystem, View,
-    ViewContext, VisualContext, WindowContext, WindowHandle, WindowOptions,
+    ForegroundExecutor, Global, InputEvent, Keystroke, Model, ModelContext, Modifiers,
+    ModifiersChangedEvent, MouseButton, MouseDownEvent, MouseMoveEvent, MouseUpEvent, Pixels,
+    Platform, Point, Render, Result, Size, Task, TestDispatcher, TestPlatform, TestWindow,
+    TextSystem, View, ViewContext, VisualContext, WindowContext, WindowHandle, WindowOptions,
 };
 use anyhow::{anyhow, bail};
 use futures::{Stream, StreamExt};
@@ -236,6 +237,11 @@ impl TestAppContext {
         self.test_platform.has_pending_prompt()
     }
 
+    /// All the urls that have been opened with cx.open_url() during this test.
+    pub fn opened_url(&self) -> Option<String> {
+        self.test_platform.opened_url.borrow().clone()
+    }
+
     /// Simulates the user resizing the window to the new size.
     pub fn simulate_window_resize(&self, window_handle: AnyWindowHandle, size: Size<Pixels>) {
         self.test_window(window_handle).simulate_resize(size);
@@ -625,6 +631,36 @@ impl<'a> VisualTestContext {
         self.cx.simulate_input(self.window, input)
     }
 
+    /// Simulate a mouse move event to the given point
+    pub fn simulate_mouse_move(&mut self, position: Point<Pixels>, modifiers: Modifiers) {
+        self.simulate_event(MouseMoveEvent {
+            position,
+            modifiers,
+            pressed_button: None,
+        })
+    }
+
+    /// Simulate a primary mouse click at the given point
+    pub fn simulate_click(&mut self, position: Point<Pixels>, modifiers: Modifiers) {
+        self.simulate_event(MouseDownEvent {
+            position,
+            modifiers,
+            button: MouseButton::Left,
+            click_count: 1,
+        });
+        self.simulate_event(MouseUpEvent {
+            position,
+            modifiers,
+            button: MouseButton::Left,
+            click_count: 1,
+        });
+    }
+
+    /// Simulate a modifiers changed event
+    pub fn simulate_modifiers_change(&mut self, modifiers: Modifiers) {
+        self.simulate_event(ModifiersChangedEvent { modifiers })
+    }
+
     /// Simulates the user resizing the window to the new size.
     pub fn simulate_resize(&self, size: Size<Pixels>) {
         self.simulate_window_resize(self.window, size)

crates/gpui/src/platform/keystroke.rs

@@ -170,4 +170,34 @@ impl Modifiers {
     pub fn modified(&self) -> bool {
         self.control || self.alt || self.shift || self.command || self.function
     }
+
+    /// helper method for Modifiers with no modifiers
+    pub fn none() -> Modifiers {
+        Default::default()
+    }
+
+    /// helper method for Modifiers with just command
+    pub fn command() -> Modifiers {
+        Modifiers {
+            command: true,
+            ..Default::default()
+        }
+    }
+
+    /// helper method for Modifiers with just shift
+    pub fn shift() -> Modifiers {
+        Modifiers {
+            shift: true,
+            ..Default::default()
+        }
+    }
+
+    /// helper method for Modifiers with command + shift
+    pub fn command_shift() -> Modifiers {
+        Modifiers {
+            shift: true,
+            command: true,
+            ..Default::default()
+        }
+    }
 }

crates/gpui/src/platform/test/platform.rs

@@ -25,6 +25,7 @@ pub(crate) struct TestPlatform {
     active_cursor: Mutex<CursorStyle>,
     current_clipboard_item: Mutex<Option<ClipboardItem>>,
     pub(crate) prompts: RefCell<TestPrompts>,
+    pub opened_url: RefCell<Option<String>>,
     weak: Weak<Self>,
 }
 
@@ -45,6 +46,7 @@ impl TestPlatform {
             active_window: Default::default(),
             current_clipboard_item: Mutex::new(None),
             weak: weak.clone(),
+            opened_url: Default::default(),
         })
     }
 
@@ -188,8 +190,8 @@ impl Platform for TestPlatform {
 
     fn stop_display_link(&self, _display_id: DisplayId) {}
 
-    fn open_url(&self, _url: &str) {
-        unimplemented!()
+    fn open_url(&self, url: &str) {
+        *self.opened_url.borrow_mut() = Some(url.to_string())
     }
 
     fn on_open_urls(&self, _callback: Box<dyn FnMut(Vec<String>)>) {