forked from openlp/openlp
91 lines
4.0 KiB
Python
91 lines
4.0 KiB
Python
# -*- coding: utf-8 -*-
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##########################################################################
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# OpenLP - Open Source Lyrics Projection #
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# ---------------------------------------------------------------------- #
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# Copyright (c) 2008-2022 OpenLP Developers #
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# ---------------------------------------------------------------------- #
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# This program is free software: you can redistribute it and/or modify #
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# it under the terms of the GNU General Public License as published by #
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# the Free Software Foundation, either version 3 of the License, or #
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# (at your option) any later version. #
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# #
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# This program is distributed in the hope that it will be useful, #
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# but WITHOUT ANY WARRANTY; without even the implied warranty of #
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the #
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# GNU General Public License for more details. #
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# #
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# You should have received a copy of the GNU General Public License #
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# along with this program. If not, see <https://www.gnu.org/licenses/>. #
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##########################################################################
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"""
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The :mod:`~openlp.plugins.alerts.lib.alertsmanager` module contains the part of the plugin which manages storing and
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displaying of alerts.
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"""
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import json
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from PyQt5 import QtCore, QtGui
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from openlp.core.common.mixins import LogMixin, RegistryProperties
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from openlp.core.common.registry import Registry, RegistryBase
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from openlp.core.display.screens import ScreenList
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class AlertsManager(QtCore.QObject, RegistryBase, LogMixin, RegistryProperties):
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"""
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AlertsManager manages the settings of Alerts.
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"""
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alerts_text = QtCore.pyqtSignal(list)
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def __init__(self, parent):
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super(AlertsManager, self).__init__()
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Registry().register_function('alerts_text', self.alert_text)
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self.alerts_text.connect(self.alert_text)
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def alert_text(self, message):
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"""
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Called via a alerts_text event. Message is single element array containing text.
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:param message: The message text to be displayed
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"""
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if message:
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text = message[0]
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# remove line breaks as these crash javascript code on display
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while '\n' in text:
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text = text.replace('\n', ' ')
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self.display_alert(text)
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def display_alert(self, text=''):
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"""
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Called from the Alert Tab to display an alert.
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:param text: The text to display
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"""
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self.log_debug(f'display alert called "{text}"')
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if not text:
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return
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if len(ScreenList()) == 1 and not self.settings.value('core/display on monitor'):
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return
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# Put alert settings together in dict that will be passed to Display in Javascript
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alert_settings = {
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'backgroundColor': self._hex_to_rgb(QtGui.QColor(self.settings.value('alerts/background color'))),
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'location': self.settings.value('alerts/location'),
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'fontFace': self.settings.value('alerts/font face'),
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'fontSize': self.settings.value('alerts/font size'),
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'fontColor': self._hex_to_rgb(QtGui.QColor(self.settings.value('alerts/font color'))),
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'timeout': self.settings.value('alerts/timeout'),
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'repeat': self.settings.value('alerts/repeat'),
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'scroll': self.settings.value('alerts/scroll')
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}
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self.live_controller.display.alert(text, json.dumps(alert_settings))
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def _hex_to_rgb(self, rgb_values):
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"""
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Converts rgb color values from QColor to rgb string
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:param rgb_values:
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:return: rgb color string
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:rtype: string
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"""
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return "rgb(" + str(rgb_values.red()) + ", " + str(rgb_values.green()) + ", " + str(rgb_values.blue()) + ")"
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