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Add alternative path to retrieve terminal size if available #49

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Add alternative path to retrieve terminal size if available #49

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27 changes: 16 additions & 11 deletions picotui/screen.py
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Original file line number Diff line number Diff line change
Expand Up @@ -137,17 +137,22 @@ def disable_mouse(cls):
# Mouse reporting - X10 compatibility mode
cls.wr(b"\x1b[?9l")

@classmethod
def screen_size(cls):
import select
cls.wr(b"\x1b[18t")
res = select.select([0], [], [], 0.2)[0]
if not res:
return (80, 24)
resp = os.read(0, 32)
assert resp.startswith(b"\x1b[8;") and resp[-1:] == b"t"
vals = resp[:-1].split(b";")
return (int(vals[2]), int(vals[1]))
if hasattr(os, "get_terminal_size"):
@classmethod
def screen_size(cls):
return os.get_terminal_size(0)
else:
@classmethod
def screen_size(cls):
import select
cls.wr(b"\x1b[18t")
res = select.select([0], [], [], 0.2)[0]
if not res:
return (80, 24)
resp = os.read(0, 32)
assert resp.startswith(b"\x1b[8;") and resp[-1:] == b"t"
vals = resp[:-1].split(b";")
return (int(vals[2]), int(vals[1]))

# Set function to redraw an entire (client) screen
# This is called to restore original screen, as we don't save it.
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