qutebrowser/qutebrowser/mainwindow/statusbar/text.py
2015-01-03 15:51:31 +01:00

105 lines
3.5 KiB
Python

# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
# Copyright 2014-2015 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/>.
"""Text displayed in the statusbar."""
from PyQt5.QtCore import pyqtSlot
from qutebrowser.config import config
from qutebrowser.mainwindow.statusbar import textbase
from qutebrowser.utils import usertypes, log, objreg
class Text(textbase.TextBase):
"""Text displayed in the statusbar.
Attributes:
_normaltext: The "permanent" text. Never automatically cleared.
_temptext: The temporary text to display.
_jstext: The text javascript wants to display.
The temptext is shown from StatusBar when a temporary text or error is
available. If not, the permanent text is shown.
"""
Text = usertypes.enum('Text', ['normal', 'temp', 'js'])
def __init__(self, parent=None):
super().__init__(parent)
self._normaltext = ''
self._temptext = ''
self._jstext = ''
objreg.get('config').changed.connect(self.update_text)
def set_text(self, which, text):
"""Set a text.
Args:
which: Which text to set, a self.Text instance.
text: The text to set.
"""
log.statusbar.debug("Setting {} text to '{}'.".format(
which.name, text))
if which is self.Text.normal:
self._normaltext = text
elif which is self.Text.temp:
self._temptext = text
elif which is self.Text.js:
self._jstext = text
else:
raise ValueError("Invalid value {} for which!".format(which))
self.update_text()
@pyqtSlot(str)
def maybe_reset_text(self, text):
"""Clear a normal text if it still matches an expected text."""
if self._normaltext == text:
log.misc.debug("Resetting: '{}'".format(text))
self.set_text(self.Text.normal, '')
else:
log.misc.debug("Ignoring reset: '{}'".format(text))
@config.change_filter('ui', 'display-statusbar-messages')
def update_text(self):
"""Update QLabel text when needed."""
if self._temptext:
self.setText(self._temptext)
elif self._jstext and config.get('ui', 'display-statusbar-messages'):
self.setText(self._jstext)
elif self._normaltext:
self.setText(self._normaltext)
else:
self.setText('')
@pyqtSlot(str)
def on_statusbar_message(self, val):
"""Called when javascript tries to set a statusbar message."""
self._jstext = val
@pyqtSlot()
def on_load_started(self):
"""Clear jstext when page loading started."""
self._jstext = ''
@pyqtSlot(int)
def on_tab_changed(self, tab):
"""Set the correct jstext when the current tab changed."""
self._jstext = tab.statusbar_message