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# This file is part of the Frescobaldi project, http://www.frescobaldi.org/
#
# Copyright (c) 2012 by Wilbert Berendsen
#
# This program 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 2
# of the License, or (at your option) any later version.
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
# See http://www.gnu.org/licenses/ for more information.
"""
The completer for the snippet editing dialog.
"""
import keyword
import re
import app
import listmodel
import textformats
import widgets.completer
from . import snippets
class Completer(widgets.completer.Completer):
def __init__(self, textedit):
super(Completer, self).__init__()
self.setWidget(textedit)
self.setParent(textedit) # otherwise PyQt5 loses us
app.settingsChanged.connect(self.readSettings)
self.readSettings()
def readSettings(self):
self.popup().setFont(textformats.formatData('editor').font)
self.popup().setPalette(textformats.formatData('editor').palette())
def completionCursor(self):
cursor = self.textCursor()
if self.popup().isVisible() and self._pos < cursor.position():
cursor.setPosition(self._pos, cursor.KeepAnchor)
return cursor
# alter the model
pos = cursor.position()
text = cursor.document().toPlainText()
# skip '-*- ' lines declaring variables, and check if it is python
python = False
block = cursor.document().firstBlock()
start = 0
while block.text().startswith('-*- '):
if not python:
python = any(True
for m in snippets._variables_re.finditer(block.text())
if m.group(1) == 'python')
block = block.next()
if not block.isValid():
break
start = block.position()
# determine the word set to complete on
if python:
pattern = r'\w+'
else:
pattern = r'\\?[\w-]+'
rx = re.compile(pattern)
words = set(m.group() for m in rx.finditer(text, start)
if len(m.group()) > 4 and m.end() != pos)
if python:
words.update(keyword.kwlist)
words.update(('cursor', 'state', 'text'))
if words:
self.setModel(listmodel.ListModel(sorted(words)))
cursor.movePosition(cursor.StartOfWord, cursor.KeepAnchor)
self._pos = cursor.position()
return cursor
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