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Workaround for touchpad/mouse issue with MacOS default Terminal #56

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Workaround for touchpad/mouse issue with MacOS default Terminal #56

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14 changes: 12 additions & 2 deletions picotui/basewidget.py
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Original file line number Diff line number Diff line change
Expand Up @@ -52,8 +52,18 @@ def get_input(self):
key = key[0:1].encode()
key = _KEYMAP.get(key, key)

if isinstance(key, bytes) and key.startswith(b"\x1b[M") and len(key) == 6:
if key[3] != 32:

# Handle mouse input. The prefix '\x1b[M' signifies a mouse action.
#
# HACK/FIX: The default MacOS terminal sends keycodes for a touchpad
# mouseclick in one swoop, so os.read() above pulls in both LB_DOWN
# and LB_UP keycodes. Catch it by looking for 6 and 12 byte codes.
if (
isinstance(key, bytes)
and key.startswith(b"\x1b[M")
and (len(key) == 6 or len(key) == 12)
):
if key[3] != 32: # LB_DOWN
return None
row = key[5] - 33
col = key[4] - 33
Expand Down