"""BMStatusBar class definition"""
from time import time
from qtpy import QtWidgets
class BMStatusBar(QtWidgets.QStatusBar):
"""Status bar with queue and priorities"""
duration = 10000
deleteAfter = 60
def __init__(self, parent=None):
super(BMStatusBar, self).__init__(parent)
self.important = []
self.timer = self.startTimer(BMStatusBar.duration)
self.iterator = 0
def timerEvent(self, event): # pylint: disable=unused-argument
"""an event handler which allows to queue and prioritise messages to
show in the status bar, for example if many messages come very quickly
after one another, it adds delays and so on"""
while len(self.important) > 0:
self.iterator += 1
try:
if (
self.important[self.iterator][1]
+ BMStatusBar.deleteAfter < time()
):
del self.important[self.iterator]
self.iterator -= 1
continue
except IndexError:
self.iterator = -1
self.showMessage(self.important[self.iterator][0], 0)
break
def addImportant(self, message):
self.important.append([message, time()])
self.iterator = len(self.important) - 2
self.timerEvent(None)
