f58e2d91dc
Replace the setting ui.show-keyhints with ui.keyhint-blacklist, which is a list of globs for keychains that shouldn't be hinted. This allows users to prevent showing keyhints for keychains they already know. keyhint-blacklist='*' is equivalent to show-keyhints=False. Resolves #1515.
130 lines
4.1 KiB
Python
130 lines
4.1 KiB
Python
# vim: ft=python fileencoding=utf-8 sts=4 sw=4 et:
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# Copyright 2016 Ryan Roden-Corrent (rcorre) <ryan@rcorre.net>
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#
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# This file is part of qutebrowser.
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#
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# qutebrowser 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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# qutebrowser 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 qutebrowser. If not, see <http://www.gnu.org/licenses/>.
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"""Small window that pops up to show hints for possible keystrings.
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When a user inputs a key that forms a partial match, this shows a small window
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with each possible completion of that keystring and the corresponding command.
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It is intended to help discoverability of keybindings.
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"""
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import html
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import fnmatch
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from PyQt5.QtWidgets import QLabel, QSizePolicy
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from PyQt5.QtCore import pyqtSlot, pyqtSignal, Qt
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from qutebrowser.config import config, style
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from qutebrowser.utils import objreg, utils, usertypes
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class KeyHintView(QLabel):
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"""The view showing hints for key bindings based on the current key string.
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Attributes:
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_win_id: Window ID of parent.
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Signals:
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reposition_keyhint: Emitted when this widget should be resized.
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"""
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STYLESHEET = """
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QLabel {
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font: {{ font['keyhint'] }};
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color: {{ color['keyhint.fg'] }};
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background-color: {{ color['keyhint.bg'] }};
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padding: 6px;
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border-top-right-radius: 6px;
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}
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"""
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reposition_keyhint = pyqtSignal()
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def __init__(self, win_id, parent=None):
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super().__init__(parent)
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self.setTextFormat(Qt.RichText)
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self._win_id = win_id
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style.set_register_stylesheet(self)
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self.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Minimum)
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self.hide()
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self._show_timer = usertypes.Timer(self, 'keyhint_show')
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self._show_timer.setInterval(500)
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self._show_timer.timeout.connect(self.show)
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def __repr__(self):
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return utils.get_repr(self, win_id=self._win_id)
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def showEvent(self, e):
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"""Adjust the keyhint size when it's freshly shown."""
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self.reposition_keyhint.emit()
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super().showEvent(e)
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@pyqtSlot(str)
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def update_keyhint(self, modename, prefix):
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"""Show hints for the given prefix (or hide if prefix is empty).
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Args:
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prefix: The current partial keystring.
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"""
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if not prefix:
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self._show_timer.stop()
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self.hide()
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return
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blacklist = config.get('ui', 'keyhint-blacklist') or []
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keyconf = objreg.get('key-config')
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def blacklisted(keychain):
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return any(fnmatch.fnmatchcase(keychain, glob)
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for glob in blacklist)
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bindings = [(k, v) for (k, v)
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in keyconf.get_bindings_for(modename).items()
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if k.startswith(prefix) and not utils.is_special_key(k) and
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not blacklisted(k)]
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if not bindings:
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self._show_timer.stop()
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return
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# delay so a quickly typed keychain doesn't display hints
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self._show_timer.start()
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suffix_color = html.escape(config.get('colors', 'keyhint.fg.suffix'))
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text = ''
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for key, cmd in bindings:
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text += (
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"<tr>"
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"<td>{}</td>"
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"<td style='color: {}'>{}</td>"
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"<td style='padding-left: 2ex'>{}</td>"
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"</tr>"
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).format(
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html.escape(prefix),
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suffix_color,
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html.escape(key[len(prefix):]),
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html.escape(cmd)
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)
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text = '<table>{}</table>'.format(text)
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self.setText(text)
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self.adjustSize()
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self.reposition_keyhint.emit()
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