[MIRROR] tgchat part 1 (#7273)

Co-authored-by: Heroman3003 <31296024+Heroman3003@users.noreply.github.com>
Co-authored-by: Selis <selis@xynolabs.com>

code/_helpers/logging/ui.dm

@@ -0,0 +1,36 @@
+/proc/log_href(text)
+	//WRITE_LOG(GLOB.world_href_log, "HREF: [text]")
+	WRITE_LOG(href_logfile, "HREF: [text]")
+
+/**
+ * Appends a tgui-related log entry. All arguments are optional.
+ */
+/proc/log_tgui(user, message, context,
+		datum/tgui_window/window,
+		datum/src_object)
+	var/entry = ""
+	// Insert user info
+	if(!user)
+		entry += "<nobody>"
+	else if(istype(user, /mob))
+		var/mob/mob = user
+		entry += "[mob.ckey] (as [mob] at [mob.x],[mob.y],[mob.z])"
+	else if(istype(user, /client))
+		var/client/client = user
+		entry += "[client.ckey]"
+	// Insert context
+	if(context)
+		entry += " in [context]"
+	else if(window)
+		entry += " in [window.id]"
+	// Resolve src_object
+	if(!src_object && window?.locked_by)
+		src_object = window.locked_by.src_object
+	// Insert src_object info
+	if(src_object)
+		entry += "\nUsing: [src_object.type] [REF(src_object)]"
+	// Insert message
+	if(message)
+		entry += "\n[message]"
+	//WRITE_LOG(GLOB.tgui_log, entry)
+	WRITE_LOG(diary, entry)