From 8be636afaee6decbf7e7465870e2296c343b36c4 Mon Sep 17 00:00:00 2001
From: Kenny Root <kenny@the-b.org>
Date: Thu, 13 Aug 2009 22:05:54 +0000
Subject: Pin the cursor column to terminal width on resize

git-svn-id: https://connectbot.googlecode.com/svn/trunk/connectbot@395 df292f66-193f-0410-a5fc-6d59da041ff2
---
 src/de/mud/terminal/vt320.java | 20 ++++++++++++++++----
 1 file changed, 16 insertions(+), 4 deletions(-)

(limited to 'src/de/mud/terminal')

diff --git a/src/de/mud/terminal/vt320.java b/src/de/mud/terminal/vt320.java
index 0fdaf16..1ebc98c 100644
--- a/src/de/mud/terminal/vt320.java
+++ b/src/de/mud/terminal/vt320.java
@@ -139,7 +139,6 @@ public abstract class vt320 extends VDUBuffer implements VDUInput {
   @Override
 public void setScreenSize(int c, int r, boolean broadcast) {
     int oldrows = height;
-    //int oldcols = width;
 
     if (debug>2) {
       if (debugStr == null)
@@ -158,11 +157,24 @@ public void setScreenSize(int c, int r, boolean broadcast) {
 
     super.setScreenSize(c,r,false);
 
-    /* Tricky, since the VDUBuffer works strangely. */
-    if (r > oldrows) {
-      setCursorPosition(C, R + (r - oldrows));
+    boolean cursorChanged = false;
+
+    // Don't let the cursor go off the screen.
+    if (C >= c) {
+      C = c - 1;
+      cursorChanged = true;
+    }
+
+    if (R >= r) {
+      R = r - 1;
+      cursorChanged = true;
+    }
+
+    if (cursorChanged) {
+      setCursorPosition(C, R);
       redraw();
     }
+
     if (broadcast) {
       setWindowSize(c, r); /* broadcast up */
     }
-- 
cgit v1.2.3