rework tgui say long message handling (#17184)

* rework tgui say long message handling

* .

* Fix

---------

Co-authored-by: Kashargul <144968721+Kashargul@users.noreply.github.com>

code/modules/tgui_input/say_modal/modal.dm

@@ -130,4 +130,8 @@
 	if(type == "entry" || type == "force")
 		handle_entry(type, payload)
 		return TRUE
+	if(type == "lenwarn")
+		var/mlen = payload["length"]
+		var/maxlen = payload["maxlength"]
+		to_chat(client, span_warning(span_bold("Warning") + ": Message with [mlen] exceeded the maximum length of [maxlen]."))
 	return FALSE

tgui/packages/tgui-say/TguiSay.tsx

@@ -51,7 +51,7 @@ export function TguiSay() {
     keyof typeof RADIO_PREFIXES | null
   >(null);
   const [size, setSize] = useState(WindowSize.Small);
-  const [maxLength, setMaxLength] = useState(1024);
+  const [maxLength, setMaxLength] = useState(4096);
   const [minimumHeight, setMinimumHeight] = useState(WindowSize.Small);
   const [minimumWidth, setMinimumWidth] = useState(WindowSize.Width);
   const [lightMode, setLightMode] = useState(false);
@@ -117,14 +117,21 @@ export function TguiSay() {
     const iterator = channelIterator.current;
     const prefix = currentPrefix ?? '';
 
-    if (value?.length && value.length < maxLength) {
-      chatHistory.current.add(value);
-      Byond.sendMessage('entry', {
-        channel: iterator.current(),
-        entry: iterator.isSay() ? prefix + value : value,
-      });
+    if (value?.length) {
+      if (value.length < maxLength) {
+        chatHistory.current.add(value);
+        Byond.sendMessage('entry', {
+          channel: iterator.current(),
+          entry: iterator.isSay() ? prefix + value : value,
+        });
+      } else {
+        Byond.sendMessage('lenwarn', {
+          length: value.length,
+          maxlength: maxLength,
+        });
+        return;
+      }
     }
-
     handleClose();
   }