1 files changed, 89 insertions, 0 deletions
diff --git a/NET/worlds/console/FocusPreservingTextField.java b/NET/worlds/console/FocusPreservingTextField.java
new file mode 100644
index 0000000..57b656b
--- /dev/null
+++ b/NET/worlds/console/FocusPreservingTextField.java
@@ -0,0 +1,89 @@
+package NET.worlds.console;
+
+import NET.worlds.scape.EventQueue;
+import NET.worlds.scape.Pilot;
+import java.awt.Event;
+import java.awt.Font;
+import java.awt.TextField;
+
+class FocusPreservingTextField extends TextField {
+   private static final long serialVersionUID = 7475622191515920214L;
+   private static FocusPreservingTextField lostFocus;
+   private static FocusPreservingTextField hasFocus;
+   private static FocusPreservingTextField chatLine;
+   private static Object hasFocusMutex = new Object();
+   private static Font font = new Font(Console.message("GammaTextFont"), 0, 12);
+   boolean preserveFocus;
+   boolean takeNextFocus;
+
+   public FocusPreservingTextField() {
+      super(30);
+      this.setFocusable(true);
+      this.setFont(font);
+   }
+
+   public void isChatLine() {
+      chatLine = this;
+   }
+
+   @Override
+   public void requestFocus() {
+      if (!this.takeNextFocus) {
+         synchronized (hasFocusMutex) {
+            this.preserveFocus = hasFocus != null && hasFocus.getText().length() != 0 || chatLine != null && chatLine.getText().length() != 0;
+         }
+      } else {
+         this.takeNextFocus = false;
+      }
+
+      if (!this.preserveFocus) {
+         super.requestFocus();
+      }
+   }
+
+   public void takeNextFocus() {
+      this.preserveFocus = false;
+      this.takeNextFocus = true;
+   }
+
+   @Override
+   public boolean handleEvent(Event e) {
+      synchronized (hasFocusMutex) {
+         if (e.id == 1005) {
+            if (hasFocus == this) {
+               lostFocus = this;
+               hasFocus = null;
+               this.preserveFocus = false;
+            }
+         } else if (e.id == 1004) {
+            hasFocus = this;
+            if (this.preserveFocus && lostFocus != null) {
+               lostFocus.takeNextFocus();
+               lostFocus.requestFocus();
+            }
+
+            lostFocus = null;
+            this.preserveFocus = false;
+         }
+      }
+
+      if (e.id == 401) {
+         Console.wake();
+         if (e.key == 27) {
+            this.setText("");
+            return true;
+         }
+
+         if ((e.modifiers & 2) != 0 && e.key >= 1 && e.key <= 26 && e.key != 22) {
+            Pilot pilot = Pilot.getActive();
+            if (pilot != null) {
+               pilot.animate("abcdefghijklmnopqrstuvwxyz".substring(e.key - 1, e.key));
+            }
+
+            return true;
+         }
+      }
+
+      return EventQueue.redirectDrivingKeys(e) ? true : super.handleEvent(e);
+   }
+}