diff --git a/TermTk/TTkAbstract/abstractscrollview.py b/TermTk/TTkAbstract/abstractscrollview.py
index 5dbbfdd9..087ab251 100644
--- a/TermTk/TTkAbstract/abstractscrollview.py
+++ b/TermTk/TTkAbstract/abstractscrollview.py
@@ -207,8 +207,13 @@ class TTkAbstractScrollView(TTkContainer, TTkAbstractScrollViewInterface):
         delta = TTkCfg.scrollDelta
         offx, offy = self.getViewOffsets()
         if evt.evt == TTkK.WHEEL_Up:
-            delta = -delta
-        self.viewMoveTo(offx, offy + delta)
+            self.viewMoveTo(offx, offy - delta)
+        elif evt.evt == TTkK.WHEEL_Down:
+            self.viewMoveTo(offx, offy + delta)
+        elif evt.evt == TTkK.WHEEL_Left:
+            self.viewMoveTo(offx - delta, offy)
+        elif evt.evt == TTkK.WHEEL_Right:
+            self.viewMoveTo(offx + delta, offy)
         return True
 
     def resizeEvent(self, w, h):
diff --git a/TermTk/TTkCore/TTkTerm/input_thread.py b/TermTk/TTkCore/TTkTerm/input_thread.py
index 216be61a..b40d5a19 100644
--- a/TermTk/TTkCore/TTkTerm/input_thread.py
+++ b/TermTk/TTkCore/TTkTerm/input_thread.py
@@ -198,6 +198,12 @@ class TTkInput:
             elif code == 0x41:
                 key = TTkMouseEvent.Wheel
                 evt = TTkMouseEvent.Down
+            elif code == 0x42:
+                key = TTkMouseEvent.Wheel
+                evt = TTkMouseEvent.Left
+            elif code == 0x43:
+                key = TTkMouseEvent.Wheel
+                evt = TTkMouseEvent.Right
             elif code == 0x23:
                 evt = TTkMouseEvent.Move
             elif code == 0x27:
diff --git a/TermTk/TTkCore/TTkTerm/inputmouse.py b/TermTk/TTkCore/TTkTerm/inputmouse.py
index 113cefa8..f753b7fc 100644
--- a/TermTk/TTkCore/TTkTerm/inputmouse.py
+++ b/TermTk/TTkCore/TTkTerm/inputmouse.py
@@ -82,6 +82,8 @@ class TTkMouseEvent:
     Move    = TTkK.Move
     Up      = TTkK.WHEEL_Up
     Down    = TTkK.WHEEL_Down
+    Left    = TTkK.WHEEL_Left
+    Right   = TTkK.WHEEL_Right
 
     __slots__ = ('x', 'y', 'key', 'evt', 'mod', 'tap', 'raw')
     def __init__(self, x: int, y: int, key: int, evt: int, mod: int, tap: int, raw: str):
@@ -127,6 +129,8 @@ class TTkMouseEvent:
             TTkMouseEvent.Move    : "Move",
             TTkMouseEvent.Up      : "Up",
             TTkMouseEvent.Down    : "Down",
+            TTkMouseEvent.Left    : "Left",
+            TTkMouseEvent.Right   : "Right",
         }.get(self.evt, "Undefined")
 
     def mod2str(self):
diff --git a/TermTk/TTkCore/constant.py b/TermTk/TTkCore/constant.py
index af8753d8..f87dd379 100644
--- a/TermTk/TTkCore/constant.py
+++ b/TermTk/TTkCore/constant.py
@@ -388,6 +388,8 @@ class TTkConstant:
         Move       = 0x00080000
         WHEEL_Up   = 0x00100000 # Wheel Up
         WHEEL_Down = 0x00200000 # Wheel Down
+        WHEEL_Left = 0x00400000 # Wheel Down
+        WHEEL_Right= 0x00800000 # Wheel Down
 
     NoEvent    = MouseEvent.NoEvent
     Press      = MouseEvent.Press
@@ -396,6 +398,8 @@ class TTkConstant:
     Move       = MouseEvent.Move
     WHEEL_Up   = MouseEvent.WHEEL_Up
     WHEEL_Down = MouseEvent.WHEEL_Down
+    WHEEL_Left = MouseEvent.WHEEL_Left
+    WHEEL_Right= MouseEvent.WHEEL_Right
 
     # Cursors
     Cursor_Blinking_Block      = 0x0001
diff --git a/TermTk/TTkWidgets/TTkTerminal/terminalhelper.py b/TermTk/TTkWidgets/TTkTerminal/terminalhelper.py
index 9a1a7780..d5f104a3 100644
--- a/TermTk/TTkWidgets/TTkTerminal/terminalhelper.py
+++ b/TermTk/TTkWidgets/TTkTerminal/terminalhelper.py
@@ -136,8 +136,8 @@ class TTkTerminalHelper():
             sys.exit()
         else:
             self._inout = os.fdopen(self._fd, "w+b", 0)
-            name = os.ttyname(self._fd)
-            TTkLog.debug(f"{self._pid=} {self._fd=} {name}")
+            # name = os.ttyname(self._fd)
+            TTkLog.debug(f"{self._pid=} {self._fd=}")
 
             self._quit_pipe = os.pipe()
 
diff --git a/TermTk/TTkWidgets/TTkTerminal/terminalview.py b/TermTk/TTkWidgets/TTkTerminal/terminalview.py
index 7e219fa3..510d9745 100644
--- a/TermTk/TTkWidgets/TTkTerminal/terminalview.py
+++ b/TermTk/TTkWidgets/TTkTerminal/terminalview.py
@@ -957,7 +957,9 @@ class TTkTerminalView(TTkAbstractScrollView, _TTkTerminal_CSI_DEC):
                 TTkK.Move:      (35, 0,'M'),
                 TTkK.Drag:      (k, 32,'M'),
                 TTkK.WHEEL_Up:  (k,  0,'M'),
-                TTkK.WHEEL_Down:(k,  1,'M')}.get(
+                TTkK.WHEEL_Down:(k,  1,'M'),
+                TTkK.WHEEL_Left:(k,  2,'M'),
+                TTkK.WHEEL_Right:(k, 3,'M')}.get(
                     evt.evt,(0,0,'M'))
             # _termLog.mouse(f'Mouse: <ESC>[<{k+km};{x};{y}{pr}')
             self.termData.emit(f'\033[<{k+km};{x};{y}{pr}'.encode())
@@ -968,7 +970,9 @@ class TTkTerminalView(TTkAbstractScrollView, _TTkTerminal_CSI_DEC):
                 TTkK.Move:      b'\033[MC',
                 TTkK.Drag:      b'\033[M@',
                 TTkK.WHEEL_Up:  b'\033[M`',
-                TTkK.WHEEL_Down:b'\033[Ma'}.get(
+                TTkK.WHEEL_Down:b'\033[Ma',
+                TTkK.WHEEL_Left:b'\033[Mb',
+                TTkK.WHEEL_Right:b'\033[Mc'}.get(
                     evt.evt,
                     b'')
             bah = bytearray(head)