From f52722b6a4bf1a5db39bbffa73c858f1a1ccdc11 Mon Sep 17 00:00:00 2001
From: Kirill Bulatov <kirill@zed.dev>
Date: Fri, 14 Jul 2023 18:26:35 +0300
Subject: [PATCH] Properly handle Cmd press for terminal highlights

---
 crates/terminal/src/terminal.rs              | 24 ++++++++++++++++----
 crates/terminal_view/src/terminal_element.rs |  4 ----
 crates/terminal_view/src/terminal_view.rs    | 17 +++++++++++++-
 3 files changed, 36 insertions(+), 9 deletions(-)

diff --git a/crates/terminal/src/terminal.rs b/crates/terminal/src/terminal.rs
index 739f52db01..fcbd02096c 100644
--- a/crates/terminal/src/terminal.rs
+++ b/crates/terminal/src/terminal.rs
@@ -51,7 +51,7 @@ use gpui::{
     fonts,
     geometry::vector::{vec2f, Vector2F},
     keymap_matcher::Keystroke,
-    platform::{MouseButton, MouseMovedEvent, TouchPhase},
+    platform::{Modifiers, MouseButton, MouseMovedEvent, TouchPhase},
     scene::{MouseDown, MouseDrag, MouseScrollWheel, MouseUp},
     AppContext, ClipboardItem, Entity, ModelContext, Task,
 };
@@ -494,6 +494,7 @@ impl TerminalBuilder {
             last_mouse_position: None,
             next_link_id: 0,
             selection_phase: SelectionPhase::Ended,
+            cmd_pressed: false,
         };
 
         Ok(TerminalBuilder {
@@ -638,6 +639,7 @@ pub struct Terminal {
     scroll_px: f32,
     next_link_id: usize,
     selection_phase: SelectionPhase,
+    cmd_pressed: bool,
 }
 
 impl Terminal {
@@ -807,7 +809,6 @@ impl Terminal {
                 term.scroll_to_point(*point);
                 self.refresh_hyperlink();
             }
-            // We need to change this to a word boundary check
             InternalEvent::FindHyperlink(position, open) => {
                 let prev_hyperlink = self.last_content.last_hovered_hyperlink.take();
 
@@ -966,6 +967,21 @@ impl Terminal {
         }
     }
 
+    pub fn try_modifiers_change(&mut self, modifiers: &Modifiers) -> bool {
+        let cmd = modifiers.cmd;
+        let changed = self.cmd_pressed != cmd;
+        if changed {
+            self.cmd_pressed = cmd;
+            if cmd {
+                self.refresh_hyperlink();
+            } else {
+                self.last_content.last_hovered_hyperlink.take();
+            }
+        }
+
+        changed
+    }
+
     ///Paste text into the terminal
     pub fn paste(&mut self, text: &str) {
         let paste_text = if self.last_content.mode.contains(TermMode::BRACKETED_PASTE) {
@@ -1091,7 +1107,7 @@ impl Terminal {
                     self.pty_tx.notify(bytes);
                 }
             }
-        } else if e.cmd {
+        } else if self.cmd_pressed {
             self.hyperlink_from_position(Some(position));
         }
     }
@@ -1210,7 +1226,7 @@ impl Terminal {
                 let mouse_cell_index = content_index_for_mouse(position, &self.last_content.size);
                 if let Some(link) = self.last_content.cells[mouse_cell_index].hyperlink() {
                     cx.platform().open_url(link.uri());
-                } else if e.cmd {
+                } else if self.cmd_pressed {
                     self.events
                         .push_back(InternalEvent::FindHyperlink(position, true));
                 }
diff --git a/crates/terminal_view/src/terminal_element.rs b/crates/terminal_view/src/terminal_element.rs
index 72517b5a10..b92059f5d6 100644
--- a/crates/terminal_view/src/terminal_element.rs
+++ b/crates/terminal_view/src/terminal_element.rs
@@ -392,10 +392,6 @@ impl TerminalElement {
 
         let mut region = MouseRegion::new::<Self>(cx.view_id(), 0, visible_bounds);
 
-        // 1. Get file:linenumber syntax working ✔️
-        // 2. Switch terminal to look for word boundaries, on cmd-hover
-        // 3. Send those query strings to the resolver thing above
-
         // Terminal Emulator controlled behavior:
         region = region
             // Start selections
diff --git a/crates/terminal_view/src/terminal_view.rs b/crates/terminal_view/src/terminal_view.rs
index 5f6fabcf1c..4dbeb19033 100644
--- a/crates/terminal_view/src/terminal_view.rs
+++ b/crates/terminal_view/src/terminal_view.rs
@@ -11,7 +11,7 @@ use gpui::{
     geometry::vector::Vector2F,
     impl_actions,
     keymap_matcher::{KeymapContext, Keystroke},
-    platform::KeyDownEvent,
+    platform::{KeyDownEvent, ModifiersChangedEvent},
     AnyElement, AnyViewHandle, AppContext, Element, Entity, ModelHandle, Task, View, ViewContext,
     ViewHandle, WeakViewHandle,
 };
@@ -159,6 +159,7 @@ impl TerminalView {
                 }
             }
             Event::Open(url) => {
+                // TODO kb
                 // Get a workspace pointer from the new() function above
                 // Guess for project path or url
                 // Either run open buffer action OR platform open depending on whatever happens
@@ -399,6 +400,20 @@ impl View for TerminalView {
         cx.notify();
     }
 
+    fn modifiers_changed(
+        &mut self,
+        event: &ModifiersChangedEvent,
+        cx: &mut ViewContext<Self>,
+    ) -> bool {
+        let handled = self
+            .terminal()
+            .update(cx, |term, _| term.try_modifiers_change(&event.modifiers));
+        if handled {
+            cx.notify();
+        }
+        handled
+    }
+
     fn key_down(&mut self, event: &KeyDownEvent, cx: &mut ViewContext<Self>) -> bool {
         self.clear_bel(cx);
         self.pause_cursor_blinking(cx);