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mechanic: emit bar signals if significant changes

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rr-
2019-01-04 00:43:44 +01:00
parent 97d958d2e7
commit ed9e513271
1 changed files with 11 additions and 5 deletions
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pqcli/mechanic.py
+7 -1
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@@ -1,6 +1,7 @@
import datetime
import itertools
import logging
import math
import typing as T
from collections import defaultdict
from dataclasses import dataclass
@@ -45,6 +46,9 @@ class Bar(SignalMixin):
self.emit("change")
def reset(self, new_max: int, position: float = 0.0) -> None:
if not math.isclose(new_max, self._max) or not math.isclose(
position, self._position
):
self._max = new_max
self._position = position
self.emit("change")
@@ -65,7 +69,9 @@ class Bar(SignalMixin):
return self._position >= self.max_
def reposition(self, new_pos: float) -> None:
self._position = float(min(new_pos, self._max))
new_pos = float(min(new_pos, self._max))
if not math.isclose(new_pos, self._position):
self._position = new_pos
self.emit("change")