qutebrowser/qutebrowser/utils/message.py
Florian Bruhin 0def82fe8c Fix lint
2014-04-24 22:49:06 +02:00

73 lines
1.9 KiB
Python

# Copyright 2014 Florian Bruhin (The Compiler) <mail@qutebrowser.org>
#
# This file is part of qutebrowser.
#
# qutebrowser is free software: you can redistribute it and/or modify
# it under the terms of the GNU General Public License as published by
# the Free Software Foundation, either version 3 of the License, or
# (at your option) any later version.
#
# qutebrowser is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with qutebrowser. If not, see <http://www.gnu.org/licenses/>.
"""Message singleton so we don't have to define unneeded signals.
Module attributes:
bridge: The MessageBridge instance.
"""
from PyQt5.QtCore import QObject, pyqtSignal
bridge = None
def init():
"""Initialize the global MessageBridge.
This needs to be done by hand because the import time is before Qt is ready
for everything.
"""
global bridge
bridge = MessageBridge()
def error(message):
"""Display an error message in the statusbar."""
bridge.error.emit(message)
def info(message):
"""Display a temporary info message in the statusbar."""
bridge.info.emit(message)
def text(message):
"""Display a persistent message in the statusbar."""
bridge.text.emit(message)
def clear():
"""Clear a persistent message in the statusbar."""
bridge.text.emit('')
def set_cmd_text(txt):
"""Set the statusbar command line to a preset text."""
bridge.set_cmd_text.emit(txt)
class MessageBridge(QObject):
"""Bridge for messages to be shown in the statusbar."""
error = pyqtSignal(str)
info = pyqtSignal(str)
text = pyqtSignal(str)
set_cmd_text = pyqtSignal(str)