Add newline support on MacOS

native/libmacbridge/bridge.h

@@ -34,6 +34,11 @@ void register_keypress_callback(void *self, KeypressCallback callback);
  */
 void send_string(const char * string);
 
+/*
+ * Send the Virtual Key press
+ */
+void send_vkey(int32_t vk);
+
 /*
  * Send the backspace keypress, *count* times.
  */

native/libmacbridge/bridge.mm

@@ -63,3 +63,21 @@ void delete_string(int32_t count) {
         }
     });
 }
+
+void send_vkey(int32_t vk) {
+    dispatch_async(dispatch_get_main_queue(), ^(void) {
+        CGEventRef keydown;
+        keydown = CGEventCreateKeyboardEvent(NULL, vk, true);
+        CGEventPost(kCGHIDEventTap, keydown);
+        CFRelease(keydown);
+
+        usleep(2000);
+
+        CGEventRef keyup;
+        keyup = CGEventCreateKeyboardEvent(NULL, vk, false);
+        CGEventPost(kCGHIDEventTap, keyup);
+        CFRelease(keyup);
+
+        usleep(2000);
+    });
+}

src/keyboard/macos.rs

@@ -34,6 +34,13 @@ impl super::KeyboardSender for MacKeyboardSender {
         }
     }
 
+    fn send_enter(&self) {
+        unsafe {
+            // Send the kVK_Return key press
+            send_vkey(0x24);
+        }
+    }
+
     fn delete_string(&self, count: i32) {
         unsafe {delete_string(count)}
     }
@@ -79,5 +86,6 @@ extern {
     fn initialize();
     fn eventloop();
     fn send_string(string: *const c_char);
+    fn send_vkey(vk: i32);
     fn delete_string(count: i32);
 }