Safari compatibility

Only tested on macOS so far, not iOS.

static/application.js

@@ -78,6 +78,9 @@ var override_focusout = false;
 var sman_allow_delete = false;
 var sman_allow_rename = false;
 
+// This is true iff [we're in macOS and the browser is Safari] or [we're in iOS]
+var using_webkit_patch = false;
+
 // Key states
 var shift_down   = false;
 var do_clear_ent = false;
@@ -985,10 +988,12 @@ function chunkOnSelectionChange(event) {
 			highlightEditingChunks();
 			// Attempt to prevent Chromium-based browsers on Android from
 			// scrolling away from the current selection
+			if(!using_webkit_patch) {
 				setTimeout(function() {
 					game_text.blur();
 					game_text.focus();
 				}, 144);
+			}
 		}, 2);
 	}, 2);
 }
@@ -1092,6 +1097,35 @@ $(document).ready(function(){
 	seqselmenu        = $("#seqselmenu");
 	seqselcontents    = $("#seqselcontents");
 
+	// A simple feature detection test to determine whether the user interface
+	// is using WebKit (Safari browser's rendering engine) because WebKit
+	// requires special treatment to work correctly with the KoboldAI editor
+	using_webkit_patch = (function() {
+		try {
+			var active_element = document.activeElement;
+			var c = document.createElement("chunk");
+			var t = document.createTextNode("KoboldAI");
+			c.appendChild(t);
+			game_text[0].appendChild(c);
+			var r = rangy.createRange();
+			r.setStart(t, 6);
+			r.collapse(true);
+			var s = rangy.getSelection();
+			s.removeAllRanges();
+			s.addRange(r);
+			game_text.blur();
+			game_text.focus();
+			var offset = rangy.getSelection().focusOffset;
+			c.removeChild(t);
+			game_text[0].removeChild(c);
+			document.activeElement.blur();
+			active_element.focus();
+			return offset !== 6;
+		} catch (e) {
+			return false;
+		}
+	})();
+	
 	// Connect to SocketIO server
 	socket = io.connect(window.document.origin);
 	

templates/index.html

@@ -6,7 +6,7 @@
 	<meta name="viewport" content="width=device-width, initial-scale=1">
 	<script src="static/jquery-3.6.0.min.js"></script>
 	<script src="static/socket.io.min.js"></script>
-	<script src="static/application.js?ver=1.16.2b"></script>
+	<script src="static/application.js?ver=1.16.2c"></script>
 	<script src="static/bootstrap.min.js"></script>
 	<script src="static/bootstrap-toggle.min.js"></script>
 	<script src="static/rangy-core.min.js"></script>