[MIRROR] Change how legacy output is hidden for 516 to remove chat flickering (#9667)

Co-authored-by: ShadowLarkens <shadowlarkens@gmail.com>

code/modules/tgui_panel/external.dm

@@ -19,22 +19,19 @@
 	// Failed to fix, using tgalert as fallback
 	action = tgalert(src, "Did that work?", "", "Yes", "No, switch to old ui")
 	if (action == "No, switch to old ui")
-		winset(src, "output", "on-show=&is-disabled=0&is-visible=1")
-		winset(src, "browseroutput", "is-disabled=1;is-visible=0")
+		winset(src, "legacy_output_selector", "left=output_legacy")
 		log_tgui(src, "Failed to fix.", context = "verb/fix_tgui_panel")
 
 /client/proc/nuke_chat()
 	// Catch all solution (kick the whole thing in the pants)
-	winset(src, "output", "on-show=&is-disabled=0&is-visible=1")
-	winset(src, "browseroutput", "is-disabled=1;is-visible=0")
+	winset(src, "legacy_output_selector", "left=output_legacy")
 	if(!tgui_panel || !istype(tgui_panel))
 		log_tgui(src, "tgui_panel datum is missing",
 			context = "verb/fix_tgui_panel")
 		tgui_panel = new(src)
 	tgui_panel.initialize(force = TRUE)
 	// Force show the panel to see if there are any errors
-	winset(src, "output", "is-disabled=1&is-visible=0")
-	winset(src, "browseroutput", "is-disabled=0;is-visible=1")
+	winset(src, "legacy_output_selector", "left=output_browser")
 	// TODO: Remove version check with 516
 	if(byond_version >= 516)
 		if(prefs?.read_preference(/datum/preference/toggle/browser_dev_tools))

interface/skin.dmf

@@ -1287,7 +1287,48 @@ window "mapwindow"
 window "outputwindow"
 	elem "outputwindow"
 		type = MAIN
-		pos = 281,0
+		pos = 0,0
+		size = 640x480
+		anchor1 = -1,-1
+		anchor2 = -1,-1
+		background-color = none
+		saved-params = "pos;size;is-minimized;is-maximized"
+		is-pane = true
+	elem "legacy_output_selector"
+		type = CHILD
+		pos = 0,0
+		size = 640x480
+		anchor1 = 0,0
+		anchor2 = 100,100
+		saved-params = "splitter"
+		left = "output_legacy"
+		is-vert = false
+
+window "output_legacy"
+	elem "output_legacy"
+		type = MAIN
+		pos = 0,0
+		size = 640x480
+		anchor1 = -1,-1
+		anchor2 = -1,-1
+		background-color = none
+		saved-params = "pos;size;is-minimized;is-maximized"
+		is-pane = true
+	elem "output"
+		type = OUTPUT
+		pos = 0,0
+		size = 640x480
+		anchor1 = 0,0
+		anchor2 = 100,100
+		is-default = true
+		saved-params = "max-lines"
+		style = ".system {color:#FF0000;}"
+		enable-http-images = true
+
+window "output_browser"
+	elem "output_browser"
+		type = MAIN
+		pos = 0,0
 		size = 640x480
 		anchor1 = -1,-1
 		anchor2 = -1,-1
@@ -1302,19 +1343,8 @@ window "outputwindow"
 		size = 640x480
 		anchor1 = 0,0
 		anchor2 = 100,100
-		is-visible = false
-		is-disabled = true
+		background-color = none
 		saved-params = ""
-	elem "output"
-		type = OUTPUT
-		pos = 0,0
-		size = 640x480
-		anchor1 = 0,0
-		anchor2 = 100,100
-		is-default = true
-		saved-params = ""
-		style = ".system {color:#FF0000;}"
-		enable-http-images = true
 
 window "prefs_markings_subwindow"
 	elem "prefs_markings_subwindow"

tgui/packages/tgui-panel/index.tsx

@@ -77,14 +77,8 @@ const setupApp = () => {
   Byond.subscribe((type, payload) => store.dispatch({ type, payload }));
 
   // Unhide the panel
-  Byond.winset('output', {
-    'is-visible': false,
-  });
-  Byond.winset('browseroutput', {
-    'is-visible': true,
-    'is-disabled': false,
-    pos: '0x0',
-    size: '0x0',
+  Byond.winset('legacy_output_selector', {
+    left: 'output_browser',
   });
 
   // Resize the panel to match the non-browser output