Expose caret origin coordinates (#375)

gluonhq · Nov 13, 2024 · 5e43e95 · 5e43e95
1 parent 12abd91
commit 5e43e95
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Showing 2 changed files with 14 additions and 1 deletion.
diff --git a/rta/src/main/java/com/gluonhq/richtextarea/RichTextArea.java b/rta/src/main/java/com/gluonhq/richtextarea/RichTextArea.java
@@ -49,6 +49,7 @@
 import javafx.css.PseudoClass;
 import javafx.event.ActionEvent;
 import javafx.event.EventHandler;
+import javafx.geometry.Point2D;
 import javafx.scene.Node;
 import javafx.scene.control.Control;
 import javafx.scene.control.SkinBase;
@@ -316,12 +317,22 @@ public final void setSkinTone(EmojiSkinTone value) {
     }
 
     /**
-     * The current position of the caret within the text.
+     * The current position of the caret within the text, in terms of characters.
      */
     final ReadOnlyIntegerWrapper caretPosition = new ReadOnlyIntegerWrapper(this, "caretPosition", 0);
     public final int getCaretPosition() { return caretPosition.get(); }
     public final ReadOnlyIntegerProperty caretPositionProperty() { return caretPosition.getReadOnlyProperty(); }
 
+    /**
+     * The current location of the caret node, in RTA local coordinates.
+     */
+    final ReadOnlyObjectWrapper<Point2D> caretOriginProperty = new ReadOnlyObjectWrapper<>(this, "caretOrigin", new Point2D(-1, -1));
+    public final ReadOnlyObjectProperty<Point2D> caretOriginProperty() {
+       return caretOriginProperty.getReadOnlyProperty();
+    }
+    public final Point2D getCaretOrigin() {
+       return caretOriginProperty.get();
+    }
 
     /**
      * The current decoration at the caret.

diff --git a/rta/src/main/java/com/gluonhq/richtextarea/RichTextAreaSkin.java b/rta/src/main/java/com/gluonhq/richtextarea/RichTextAreaSkin.java
@@ -391,6 +391,7 @@ protected void invalidated() {
                 getSkinnable().decorationAtCaret.bind(viewModel.decorationAtCaretProperty());
                 getSkinnable().decorationAtParagraph.bind(viewModel.decorationAtParagraphProperty());
                 caretPositionProperty.bind(viewModel.caretPositionProperty());
+                getSkinnable().caretOriginProperty.bind(caretOriginProperty);
                 promptNode.visibleProperty().bind(promptVisibleBinding);
                 promptNode.fontProperty().bind(promptFontBinding);
             } else {
@@ -402,6 +403,7 @@ protected void invalidated() {
                 getSkinnable().decorationAtCaret.unbind();
                 getSkinnable().decorationAtParagraph.unbind();
                 caretPositionProperty.unbind();
+                getSkinnable().caretOriginProperty.unbind();
                 promptNode.visibleProperty().unbind();
                 promptNode.fontProperty().unbind();
             }