Add onGainedFocus event

NotEnoughUpdates · Aug 24, 2024 · 68448f1 · 68448f1
1 parent 9515e12
commit 68448f1
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diff --git a/common/src/main/java/io/github/notenoughupdates/moulconfig/gui/GuiComponent.java b/common/src/main/java/io/github/notenoughupdates/moulconfig/gui/GuiComponent.java
@@ -104,6 +104,12 @@ public boolean isInFocus() {
     public void onLostFocus() {
     }
 
+    /**
+     * This method is called by the gui context when an element gains focus. This does only get called if this element specifically is being {@link #isFocused() focused}.
+     */
+    public void onGainedFocus() {
+    }
+
     /**
      * Walk the scene tree of this gui element, including children of children.
      * By default, the visitor is called with only this element.

diff --git a/common/src/main/java/io/github/notenoughupdates/moulconfig/gui/GuiContext.java b/common/src/main/java/io/github/notenoughupdates/moulconfig/gui/GuiContext.java
@@ -43,9 +43,12 @@ public class GuiContext {
     public Runnable closeRequestHandler;
 
     public void setFocusedElement(GuiComponent focusedElement) {
+        if (this.focusedElement == focusedElement) return;
         GuiComponent oldElement = this.focusedElement;
         if (oldElement != null)
             oldElement.onLostFocus();
+        if (focusedElement != null)
+            focusedElement.onGainedFocus();
         this.focusedElement = focusedElement;
     }