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Mini Shell
Mini Shell
#!/usr/bin/env python3
# License: GPL v3 Copyright: 2019, Kovid Goyal <kovid at kovidgoyal.net>
from qt.core import QKeySequence, QMainWindow, Qt
key_name_to_qt_name = {
'ArrowRight': 'Right',
'ArrowLeft': 'Left',
'ArrowUp': 'Up',
'ArrowDown': 'Down',
'PageUp': 'PgUp',
'PageDown': 'PgDown',
}
def get_main_window_for(widget):
p = widget
while p is not None:
if isinstance(p, QMainWindow):
return p
p = p.parent()
def index_to_key_sequence(idx):
mods = []
for i, x in enumerate(('ALT', 'CTRL', 'META', 'SHIFT')):
if idx[i] == 'y':
mods.append(x.capitalize())
key = idx[4:]
mods.append(key_name_to_qt_name.get(key, key))
return QKeySequence('+'.join(mods))
def key_to_text(key):
return QKeySequence(key).toString(QKeySequence.SequenceFormat.PortableText).lower()
def ev_to_index(ev):
m = ev.modifiers()
mods = []
for x in (
Qt.KeyboardModifier.AltModifier, Qt.KeyboardModifier.ControlModifier,
Qt.KeyboardModifier.MetaModifier, Qt.KeyboardModifier.ShiftModifier):
mods.append('y' if m & x else 'n')
return ''.join(mods) + key_to_text(ev.key())
def get_shortcut_for(widget, ev):
mw = get_main_window_for(widget)
if mw is None:
return
smap = mw.web_view.shortcut_map
idx = ev_to_index(ev)
return smap.get(idx)
Zerion Mini Shell 1.0