From a90d3119be3030c35765a00d3cc149f61fd8f69e Mon Sep 17 00:00:00 2001
From: Kevin Lamonte <kevin.lamonte@gmail.com>
Date: Fri, 20 Mar 2015 22:21:49 -0400
Subject: [PATCH] mouse support inside terminal

---
 README.md                       |  3 ---
 src/jexer/io/AWTTerminal.java   | 17 +++++++++++++++++
 src/jexer/tterminal/ECMA48.java | 25 ++++++++++---------------
 3 files changed, 27 insertions(+), 18 deletions(-)

diff --git a/README.md b/README.md
index 746b168..1a41908 100644
--- a/README.md
+++ b/README.md
@@ -136,14 +136,11 @@ Many tasks remain before calling this version 1.0:
 
 - TWindow
   - "Smart placement" for new windows
-- ECMATerminal
-  - Mouse 1006 mode parsing
 
 Wishlist features (2.0):
 
 - TTerminal
   - Handle resize events (pass to child process)
-  - xterm mouse handling
 - Screen
   - Allow complex characters in putCharXY() and detect them in putStrXY().
 - TComboBox
diff --git a/src/jexer/io/AWTTerminal.java b/src/jexer/io/AWTTerminal.java
index 783cffd..38f6734 100644
--- a/src/jexer/io/AWTTerminal.java
+++ b/src/jexer/io/AWTTerminal.java
@@ -96,6 +96,16 @@ public final class AWTTerminal implements ComponentListener, KeyListener,
      */
     private Thread readerThread;
 
+    /**
+     * The last reported mouse X position.
+     */
+    private int oldMouseX = -1;
+
+    /**
+     * The last reported mouse Y position.
+     */
+    private int oldMouseY = -1;
+
     /**
      * true if mouse1 was down.  Used to report mouse1 on the release event.
      */
@@ -566,6 +576,13 @@ public final class AWTTerminal implements ComponentListener, KeyListener,
     public void mouseMoved(final MouseEvent mouse) {
         int x = screen.textColumn(mouse.getX());
         int y = screen.textRow(mouse.getY());
+        if ((x == oldMouseX) && (y == oldMouseY)) {
+            // Bail out, we've moved some pixels but not a whole text cell.
+            return;
+        }
+        oldMouseX = x;
+        oldMouseY = y;
+
         TMouseEvent mouseEvent = new TMouseEvent(TMouseEvent.Type.MOUSE_MOTION,
             x, y, x, y, mouse1, mouse2, mouse3, false, false);
 
diff --git a/src/jexer/tterminal/ECMA48.java b/src/jexer/tterminal/ECMA48.java
index df157cf..017c3c7 100644
--- a/src/jexer/tterminal/ECMA48.java
+++ b/src/jexer/tterminal/ECMA48.java
@@ -1096,25 +1096,18 @@ public class ECMA48 implements Runnable {
      * @param mouse mouse event received from the local user
      */
     public void mouse(final TMouseEvent mouse) {
+
         /*
-         * TODO:
-         *
-         * - Parse the mouse requests from the remote side regarding protocol
-         *   + encoding
-         *
-         * - Send mouse events to the other side.
-         *
-         *  - Handle the cursor (double invert).
+        System.err.printf("mouse(): protocol %s encoding %s mouse %s\n",
+            mouseProtocol, mouseEncoding, mouse);
          */
 
-        // System.err.printf("Mouse: %s\n", mouse);
-
-        /*
         if (mouseEncoding != MouseEncoding.UTF8) {
-            // We only support UTF8 encoding, bail out now.
-            return;
+            // We will support X10 but only for (160,94) and smaller.
+            if ((mouse.getX() >= 160) || (mouse.getY() >= 94)) {
+                return;
+            }
         }
-         */
 
         switch (mouseProtocol) {
 
@@ -1165,7 +1158,9 @@ public class ECMA48 implements Runnable {
         sb.append((char) 0x1B);
         sb.append('[');
         sb.append('M');
-        if (mouse.getMouse1()) {
+        if (mouse.getType() == TMouseEvent.Type.MOUSE_UP) {
+            sb.append((char) (0x03 + 32));
+        } else if (mouse.getMouse1()) {
             sb.append((char) (0x00 + 32));
         } else if (mouse.getMouse2()) {
             sb.append((char) (0x01 + 32));
-- 
2.27.0