editor: fly keys work while another component has the keyboard focus (window-wide key dispatcher during right-mouse fly), held keys cleared when the flight ends

CHANGELOG.md

@@ -1,5 +1,10 @@
 # Changelog
 
+## 0.2.3 – unreleased
+
+- **Editor:** flying with the right mouse button + W A S D / Q E now works even when another part of
+  the window (a text field, a dock) still had the keyboard focus.
+
 ## 0.2.2 – 2026-11-07
 
 - **English game version supported.** All exe mods (boot to level, cheats, intro skip, practice

src/main/java/com/eliasmueller/llamamod/editor/render/Viewport.java

@@ -7,6 +7,8 @@ import java.awt.Color;
 import java.awt.Component;
 import java.awt.Cursor;
 import java.awt.Graphics;
+import java.awt.KeyEventDispatcher;
+import java.awt.KeyboardFocusManager;
 import java.awt.event.ComponentAdapter;
 import java.awt.event.ComponentEvent;
 import java.awt.event.InputEvent;
@@ -93,6 +95,36 @@ public final class Viewport extends JPanel {
     private boolean dirty = true;
     private long lastTick = System.nanoTime();
     private final Set<Integer> keys = new HashSet<>();
+
+    /**
+     * While flying, WASD/QE/Shift reach the fly loop even if another component (a text field, a
+     * dock) still has the keyboard focus: with some window managers the heavyweight GL canvas does
+     * not get the focus from a right-click.
+     */
+    private final KeyEventDispatcher flyKeys = e -> {
+        if (!this.flying) {
+            return false;
+        }
+        if (e.getID() == KeyEvent.KEY_PRESSED) {
+            keys.add(e.getKeyCode());
+        } else if (e.getID() == KeyEvent.KEY_RELEASED) {
+            keys.remove(e.getKeyCode());
+        }
+        return true;
+    };
+
+    @Override
+    public void addNotify() {
+        super.addNotify();
+        KeyboardFocusManager.getCurrentKeyboardFocusManager().addKeyEventDispatcher(flyKeys);
+    }
+
+    @Override
+    public void removeNotify() {
+        KeyboardFocusManager.getCurrentKeyboardFocusManager().removeKeyEventDispatcher(flyKeys);
+        super.removeNotify();
+    }
+
     private boolean flying;
     private BufferedImage capture;
     private boolean captureNext;
@@ -1131,6 +1163,7 @@ public final class Viewport extends JPanel {
             }
             if (drag == Drag.FLY) {
                 flying = false;
+                keys.clear(); // a key released after the button may have gone to another component
                 canvas.setCursor(Cursor.getDefaultCursor());
             }
             if (drag != Drag.NONE && buttonOf(drag, e)) {