Added spellchecked and auto-resizing height input area.
This commit is contained in:
ricky
parent
fa2b812c93
commit
fe28b526d7
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@ -21,11 +21,12 @@
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#
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import qt_compat
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from inputlinespell import InputLineSpell
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QtCore = qt_compat.import_module('QtCore')
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QtGui = qt_compat.import_module('QtGui')
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class InputLineEdit(QtGui.QLineEdit):
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class InputLineEdit(InputLineSpell):
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"""Input line."""
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bufferSwitchPrev = qt_compat.Signal()
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@ -33,11 +34,10 @@ class InputLineEdit(QtGui.QLineEdit):
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textSent = qt_compat.Signal(str)
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def __init__(self, scroll_widget):
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QtGui.QLineEdit.__init__(self)
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InputLineSpell.__init__(self, False)
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self.scroll_widget = scroll_widget
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self._history = []
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self._history_index = -1
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self.returnPressed.connect(self._input_return_pressed)
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def keyPressEvent(self, event):
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key = event.key()
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@ -49,7 +49,7 @@ class InputLineEdit(QtGui.QLineEdit):
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elif key == QtCore.Qt.Key_PageDown:
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self.bufferSwitchNext.emit()
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else:
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QtGui.QLineEdit.keyPressEvent(self, event)
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InputLineSpell.keyPressEvent(self, event)
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elif modifiers == QtCore.Qt.AltModifier:
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if key in (QtCore.Qt.Key_Left, QtCore.Qt.Key_Up):
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self.bufferSwitchPrev.emit()
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@ -64,22 +64,35 @@ class InputLineEdit(QtGui.QLineEdit):
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elif key == QtCore.Qt.Key_End:
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bar.setValue(bar.maximum())
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else:
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QtGui.QLineEdit.keyPressEvent(self, event)
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InputLineSpell.keyPressEvent(self, event)
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elif key == QtCore.Qt.Key_PageUp:
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bar.setValue(bar.value() - bar.pageStep())
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elif key == QtCore.Qt.Key_PageDown:
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bar.setValue(bar.value() + bar.pageStep())
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elif key == QtCore.Qt.Key_Up:
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self._history_navigate(-1)
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elif key == QtCore.Qt.Key_Down:
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self._history_navigate(1)
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elif key == QtCore.Qt.Key_Up or key == QtCore.Qt.Key_Down:
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# Compare position, optionally only nativate history if no change:
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pos1 = self.textCursor().position()
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InputLineSpell.keyPressEvent(self, event)
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pos2 = self.textCursor().position()
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if pos1 == pos2:
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if key == QtCore.Qt.Key_Up:
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# Add to history if there is text like curses weechat:
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txt = self.toPlainText().encode('utf-8')
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if txt != "" and len(self._history) == self._history_index:
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self._history.append(txt)
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self._history_navigate(-1)
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elif key == QtCore.Qt.Key_Down:
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self._history_navigate(1)
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elif ((key == QtCore.Qt.Key_Enter or key == QtCore.Qt.Key_Return)
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and modifiers != QtCore.Qt.ShiftModifier):
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self._input_return_pressed()
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else:
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QtGui.QLineEdit.keyPressEvent(self, event)
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InputLineSpell.keyPressEvent(self, event)
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def _input_return_pressed(self):
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self._history.append(self.text().encode('utf-8'))
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self._history.append(self.toPlainText().encode('utf-8'))
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self._history_index = len(self._history)
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self.textSent.emit(self.text())
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self.textSent.emit(self.toPlainText())
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self.clear()
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def _history_navigate(self, direction):
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@ -93,3 +106,7 @@ class InputLineEdit(QtGui.QLineEdit):
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self.clear()
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return
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self.setText(self._history[self._history_index])
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# End of line:
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textCursor = self.textCursor()
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textCursor.setPosition(len(self._history[self._history_index]))
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self.setTextCursor(textCursor)
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@ -0,0 +1,254 @@
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# -*- coding: utf-8 -*-
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#
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# inputlinespell.py - single line edit with spellcheck for qweechat
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#
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# Copyright (C) Ricky Brent <ricky@rickybrent.com>
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# Copyright for auto-resizing portions of code are held by Kamil Śliwak as
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# part of git@github.com:cameel/auto-resizing-text-edit.git and for
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# spellcheck portions by John Schember, both under the MIT license.
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#
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# This file is part of QWeeChat, a Qt remote GUI for WeeChat.
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#
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# QWeeChat 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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# QWeeChat 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 QWeeChat. If not, see <http://www.gnu.org/licenses/>.
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#
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import qt_compat
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QtCore = qt_compat.import_module('QtCore')
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QtGui = qt_compat.import_module('QtGui')
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import config
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import re
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import weechat.color as color
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# Spell checker support
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try:
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import enchant
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except ImportError:
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enchant = None
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class InputLineSpell(QtGui.QTextEdit):
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"""Chat area."""
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def __init__(self, debug, *args):
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QtGui.QTextEdit.__init__(*(self,) + args)
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self.debug = debug
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self.setFontFamily('monospace')
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self._textcolor = self.textColor()
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self._bgcolor = QtGui.QColor('#FFFFFF')
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self._setcolorcode = {
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'F': (self.setTextColor, self._textcolor),
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'B': (self.setTextBackgroundColor, self._bgcolor)
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}
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self._setfont = {
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'*': self.setFontWeight,
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'_': self.setFontUnderline,
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'/': self.setFontItalic
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}
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self._fontvalues = {
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False: {
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'*': QtGui.QFont.Normal,
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'_': False,
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'/': False
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},
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True: {
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'*': QtGui.QFont.Bold,
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'_': True,
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'/': True
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}
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}
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self._color = color.Color(config.color_options(), self.debug)
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self.initDict()
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# Set height to one line:
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fm = QtGui.QFontMetrics(self.currentFont())
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self.setMinimumHeight(fm.height() + 8)
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size_policy = self.sizePolicy()
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size_policy.setHeightForWidth(True)
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size_policy.setVerticalPolicy(QtGui.QSizePolicy.Preferred)
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self.setSizePolicy(size_policy)
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self.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
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self.setHorizontalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
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self.textChanged.connect(lambda: self.updateGeometry())
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def hasHeightForWidth(self):
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return True
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def heightForWidth(self, width):
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margins = self.contentsMargins()
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if width >= margins.left() + margins.right():
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document_width = width - margins.left() - margins.right()
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else:
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# If specified width can't even fit the margin, no space left.
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document_width = 0
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# Cloning seems wasteful but is the preferred way to in Qt >= 4.
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document = self.document().clone()
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document.setTextWidth(document_width)
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return margins.top() + document.size().height() + margins.bottom()
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def sizeHint(self):
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original_hint = super(InputLineSpell, self).sizeHint()
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return QtCore.QSize(original_hint.width(),
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self.heightForWidth(original_hint.width()))
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def scroll_bottom(self):
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bar = self.verticalScrollBar()
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bar.setValue(bar.maximum())
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def initDict(self, lang=None):
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if enchant:
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if lang == None:
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# Default dictionary based on the current locale.
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try:
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self.spelldict = enchant.Dict()
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except enchant.DictNotFoundError:
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self.spelldict = None
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else:
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self.spelldict = enchant.Dict(lang)
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else:
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self.spelldict = None
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self.highlighter = SpellHighlighter(self.document())
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if self.spelldict:
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self.highlighter.setDict(self.spelldict)
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self.highlighter.rehighlight()
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def killDict(self):
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self.highlighter.setDocument(None)
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self.spelldict = None
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def mousePressEvent(self, event):
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if event.button() == QtCore.Qt.RightButton:
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# Rewrite the mouse event to a left button event so the cursor
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# is moved to the location of the pointer.
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event = QtGui.QMouseEvent(QtCore.QEvent.MouseButtonPress,
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event.pos(), QtCore.Qt.LeftButton, QtCore.Qt.LeftButton,
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QtCore.Qt.NoModifier)
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QtGui.QTextEdit.mousePressEvent(self, event)
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def contextMenuEvent(self, event):
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popup_menu = self.createStandardContextMenu()
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pal = QtGui.QApplication.instance().palette()
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# This fixes Issue 20
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menu_style = """ * { background-color: %s;
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color: %s;}
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"""%(unicode(pal.color(QtGui.QPalette.Button).name()),
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unicode(pal.color(QtGui.QPalette.WindowText).name()))
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popup_menu.setStyleSheet(menu_style)
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# Select the word under the cursor.
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cursor = self.textCursor()
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cursor.select(QtGui.QTextCursor.WordUnderCursor)
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self.setTextCursor(cursor)
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# Check if the selected word is misspelled and offer spelling
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# suggestions if it is.
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if enchant and self.spelldict:
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if self.textCursor().hasSelection():
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text = unicode(self.textCursor().selectedText())
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#Add to dictionary
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#Spell-checker options
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if not self.spelldict.check(text):
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suggestions = self.spelldict.suggest(text)
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if len(suggestions) != 0:
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popup_menu.insertSeparator(popup_menu.actions()[0])
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topAction = popup_menu.actions()[0]
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for word in suggestions:
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action = SpellAction(word, popup_menu)
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action.correct.connect(self.correctWord)
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popup_menu.insertAction(topAction, action)
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popup_menu.insertSeparator(topAction)
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add = SpellAddAction(text, popup_menu)
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add.add.connect(self.addWord)
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popup_menu.insertAction(topAction, add)
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# FIXME: add change dict and disable spellcheck options
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popup_menu.exec_(event.globalPos())
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def addWord(self, word):
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self.spelldict.add(word)
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self.highlighter.rehighlight()
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def correctWord(self, word):
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'''
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Replaces the selected text with word.
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'''
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cursor = self.textCursor()
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cursor.beginEditBlock()
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cursor.removeSelectedText()
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cursor.insertText(word)
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cursor.endEditBlock()
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def killDict(self):
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self.highlighter.setDocument(None)
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self.spelldict = None
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class SpellHighlighter(QtGui.QSyntaxHighlighter):
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WORDS = u'(?iu)[\w\']+'
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def __init__(self, *args):
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QtGui.QSyntaxHighlighter.__init__(self, *args)
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self.spelldict = None
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def setDict(self, spelldict):
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self.spelldict = spelldict
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def highlightBlock(self, text):
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if not self.spelldict:
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return
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text = unicode(text)
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format = QtGui.QTextCharFormat()
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format.setUnderlineColor(QtGui.QColor('red'))
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format.setUnderlineStyle(QtGui.QTextCharFormat.DotLine)
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for word_object in re.finditer(self.WORDS, text):
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if not self.spelldict.check(word_object.group()):
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self.setFormat(word_object.start(),
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word_object.end() - word_object.start(), format)
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class SpellAction(QtGui.QAction):
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'''
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A special QAction that returns the text in a signal.
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'''
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correct = qt_compat.Signal(unicode)
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def __init__(self, *args):
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QtGui.QAction.__init__(self, *args)
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self.triggered.connect(lambda x: self.correct.emit(
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unicode(self.text())))
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class SpellAddAction(QtGui.QAction):
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'''
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An action to add the given word to a dictionary.
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'''
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add = qt_compat.Signal(unicode)
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def __init__(self, word, *args):
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QtGui.QAction.__init__(self, "Add to dictionary", *args)
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self._word = word
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self.triggered.connect(lambda x: self.add.emit(
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unicode(self._word)))
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