add workarounds for libvte mouse events. see #89.

lib/keys.js

@@ -117,6 +117,12 @@ function emitKey(stream, s) {
     }
   }
 
+  // libvte sometimes sends mouse events in chunks.
+  // deal with this in a better way later.
+  if (process.env.VTE_VERSION) {
+    if (~s.indexOf('\x1b[M')) return;
+  }
+
   key.sequence = s;
 
   if (s === '\r') {

lib/program.js

@@ -355,13 +355,19 @@ Program.prototype.bindMouse = function() {
     , self = this;
 
   this.on('data', function(data) {
-    data = decoder.write(data);
-    if (!data) return;
-    self._bindMouse(data);
+    var text = decoder.write(data);
+    if (!text) return;
+    self._bindMouse(text, data);
   });
 };
 
-Program.prototype._bindMouse = function(s) {
+Program.saneMouse = /^\x1b\[M([\x00\u0020-\uffff]{3})/;
+Program.vteMouse = /^\x1b\[M([\u0000-\uffff]{3})/;
+Program.x10Mouse = !process.env.VTE_VERSION
+  ? Program.saneMouse
+  : Program.vteMouse;
+
+Program.prototype._bindMouse = function(s, buf) {
   var self = this
     , key
     , parts;
@@ -383,12 +389,24 @@ Program.prototype._bindMouse = function(s) {
   }
 
   // XTerm / X10
-  if (parts = /^\x1b\[M([\x00\u0020-\uffff]{3})/.exec(s)) {
+  if (parts = Program.x10Mouse.exec(s)) {
     var b = parts[1].charCodeAt(0)
       , x = parts[1].charCodeAt(1)
       , y = parts[1].charCodeAt(2)
       , mod;
 
+    if (process.env.VTE_VERSION) {
+      if (x > 65000) {
+        x = buf[4];
+      }
+
+      // if libvte goes over 255, it sends this.
+      // it can't go beyond 262 with this:
+      if (x > 0x00 && x < 0x20) {
+        x += 223;
+      }
+    }
+
     key.name = 'mouse';
     key.type = 'X10';
 

test/program-mouse.js

@@ -22,6 +22,14 @@ program.on('mouse', function(data) {
   console.log(data);
 });
 
+program.input.on('data', function(data) {
+  program.cup(10, 0);
+  program.write(JSON.stringify(data + ''));
+  program.nel();
+  program.cr();
+  program.write(JSON.stringify(Array.prototype.slice.call(data)));
+});
+
 program.key(['q', 'escape', 'C-c'], function() {
   program.showCursor();
   program.disableMouse();
@@ -32,6 +40,6 @@ program.key(['q', 'escape', 'C-c'], function() {
 program.on('keypress', function(ch, data) {
   if (data.name === 'mouse') return;
   program.clear();
-  program.cup(0, 0);
+  program.cup(20, 0);
   console.log(data);
 });