terminal_view: Reuse editor's blink manager (#43351)

Release Notes:

- N/A *or* Added/Fixed/Improved ...

crates/editor/src/blink_manager.rs

@@ -1,20 +1,28 @@
-use crate::EditorSettings;
 use gpui::Context;
-use settings::Settings;
 use settings::SettingsStore;
 use smol::Timer;
 use std::time::Duration;
+use ui::App;
 
 pub struct BlinkManager {
     blink_interval: Duration,
     blink_epoch: usize,
+    /// Whether the blinking is paused.
     blinking_paused: bool,
+    /// Whether the cursor should be visibly rendered or not.
     visible: bool,
+    /// Whether the blinking currently enabled.
     enabled: bool,
+    /// Whether the blinking is enabled in the settings.
+    blink_enabled_in_settings: fn(&App) -> bool,
 }
 
 impl BlinkManager {
-    pub fn new(blink_interval: Duration, cx: &mut Context<Self>) -> Self {
+    pub fn new(
+        blink_interval: Duration,
+        blink_enabled_in_settings: fn(&App) -> bool,
+        cx: &mut Context<Self>,
+    ) -> Self {
         // Make sure we blink the cursors if the setting is re-enabled
         cx.observe_global::<SettingsStore>(move |this, cx| {
             this.blink_cursors(this.blink_epoch, cx)
@@ -27,6 +35,7 @@ impl BlinkManager {
             blinking_paused: false,
             visible: true,
             enabled: false,
+            blink_enabled_in_settings,
         }
     }
 
@@ -55,7 +64,7 @@ impl BlinkManager {
     }
 
     fn blink_cursors(&mut self, epoch: usize, cx: &mut Context<Self>) {
-        if EditorSettings::get_global(cx).cursor_blink {
+        if (self.blink_enabled_in_settings)(cx) {
             if epoch == self.blink_epoch && self.enabled && !self.blinking_paused {
                 self.visible = !self.visible;
                 cx.notify();
@@ -83,6 +92,7 @@ impl BlinkManager {
         }
     }
 
+    /// Enable the blinking of the cursor.
     pub fn enable(&mut self, cx: &mut Context<Self>) {
         if self.enabled {
             return;
@@ -95,6 +105,7 @@ impl BlinkManager {
         self.blink_cursors(self.blink_epoch, cx);
     }
 
+    /// Disable the blinking of the cursor.
     pub fn disable(&mut self, _cx: &mut Context<Self>) {
         self.visible = false;
         self.enabled = false;

crates/editor/src/editor.rs

@@ -12,7 +12,7 @@
 //!
 //! If you're looking to improve Vim mode, you should check out Vim crate that wraps Editor and overrides its behavior.
 pub mod actions;
-mod blink_manager;
+pub mod blink_manager;
 mod bracket_colorization;
 mod clangd_ext;
 pub mod code_context_menus;
@@ -1888,7 +1888,11 @@ impl Editor {
         let selections = SelectionsCollection::new();
 
         let blink_manager = cx.new(|cx| {
-            let mut blink_manager = BlinkManager::new(CURSOR_BLINK_INTERVAL, cx);
+            let mut blink_manager = BlinkManager::new(
+                CURSOR_BLINK_INTERVAL,
+                |cx| EditorSettings::get_global(cx).cursor_blink,
+                cx,
+            );
             if is_minimap {
                 blink_manager.disable(cx);
             }