Adjusted OverlayKeyPreset to fullscreen mode

src/main/java/noppes/npcs/client/gui/util/GuiScriptTextArea.java

@@ -134,7 +134,9 @@ public class GuiScriptTextArea extends GuiNpcTextField {
         int xOffset = hasVerticalScrollbar() ? -8 : -2;
         KEYS_OVERLAY.scale = 0.75f;
         KEYS_OVERLAY.borderCol1 = KEYS_OVERLAY.borderCol2 = 0xFF3c3c3c;
-        KEYS_OVERLAY.initGui(x + (width / 4), y + 20, endX - (width / 4) + 5, endY - 28);
+        int overlayWidth = 160;
+        KEYS_OVERLAY.initGui(x + (width - overlayWidth) / 2 + 5, y + height / 10, overlayWidth,
+                height - height / 5 - 10);
 
         KEYS_OVERLAY.viewButton.scale = 0.45f;
         KEYS_OVERLAY.viewButton.initGui(endX + xOffset, endY - 26);

src/main/java/noppes/npcs/client/gui/util/key/OverlayKeyPresetViewer.java

@@ -48,13 +48,13 @@ public class OverlayKeyPresetViewer {
         });
     }
 
-    public void initGui(int startX, int startY, int endX, int endY) {
+    public void initGui(int startX, int startY, int width, int height) {
         this.startX = startX;
         this.startY = startY;
-        this.endX = endX;
-        this.endY = endY;
-        this.width = endX - startX;
-        this.height = endY - startY;
+        this.width = width;
+        this.height = height;
+        this.endX = startX + width;
+        this.endY = startY + height;
         scroll.init();
     }
 
@@ -454,7 +454,7 @@ public class OverlayKeyPresetViewer {
         }
 
         public int getMaxStringWidth() {
-            return (int) (getWidth() * RELATIVE_MAX_DESC_WIDTH);
+            return (int) Math.max(getWidth() * RELATIVE_MAX_DESC_WIDTH, 0);
         }
     }