def _complete_options(self):
"""Find available completion options."""
text = to_text_string(self.currentText())
opts = glob.glob(text + "*")
opts = sorted([opt for opt in opts if osp.isdir(opt)])
completer = QCompleter(opts, self)
qss = str(APP_STYLESHEET)
completer.popup().setStyleSheet(qss)
self.setCompleter(completer)
return opts
def _complete_options(self):
"""Find available completion options."""
text = to_text_string(self.currentText())
opts = glob.glob(text + "*")
opts = sorted([opt for opt in opts if osp.isdir(opt)])
completer = QCompleter(opts, self)
if is_dark_interface():
dark_qss = qdarkstyle.load_stylesheet_from_environment()
completer.popup().setStyleSheet(dark_qss)
self.setCompleter(completer)
return opts
class AutoCompleteLineEdit(QLineEdit):
# http://blog.elentok.com/2011/08/autocomplete-textbox-for-multiple.html
def __init__(self, items, parent=None):
super().__init__(parent)
self._separators = [",", " "]
self._completer = QCompleter(items, self)
self._completer.setWidget(self)
self._completer.activated[str].connect(self.__insertCompletion)
self._completer.setCaseSensitivity(Qt.CaseInsensitive)
self.__keysToIgnore = [
Qt.Key_Enter, Qt.Key_Return, Qt.Key_Escape, Qt.Key_Tab
]
def __insertCompletion(self, completion):
extra = len(completion) - len(self._completer.completionPrefix())
extra_text = completion[-extra:]
extra_text += ", "
self.setText(self.text() + extra_text)
def textUnderCursor(self):
text = self.text()
text_under_cursor = ""
i = self.cursorPosition() - 1
while i >= 0 and text[i] not in self._separators:
text_under_cursor = text[i] + text_under_cursor
i -= 1
return text_under_cursor
def keyPressEvent(self, event):
if self._completer.popup().isVisible():
if event.key() in self.__keysToIgnore:
event.ignore()
return
super().keyPressEvent(event)
completion_prefix = self.textUnderCursor()
if completion_prefix != self._completer.completionPrefix():
self.__updateCompleterPopupItems(completion_prefix)
if len(event.text()) > 0 and len(completion_prefix) > 0:
self._completer.complete()
if len(completion_prefix) == 0:
self._completer.popup().hide()
def __updateCompleterPopupItems(self, completionPrefix):
self._completer.setCompletionPrefix(completionPrefix)
self._completer.popup().setCurrentIndex(
self._completer.completionModel().index(0, 0))
class IdePanel(QPlainTextEdit):
def __init__(self):
QPlainTextEdit.__init__(self)
self.setWordWrapMode(QTextOption.NoWrap)
self.setFont(QFont("monospace", 10))
self.setCursorWidth(2)
self.installEventFilter(self)
self.completer = QCompleter(self)
self.completer.setWidget(self)
self.completer.setCaseSensitivity(Qt.CaseInsensitive)
self.completer.activated.connect(self.insertCompletion)
auto_complete = QShortcut(QKeySequence("Ctrl+Space"), self)
auto_complete.activated.connect(self.activateCompleter)
copy_line = QShortcut(QKeySequence("Ctrl+D"), self)
copy_line.activated.connect(self.duplicateLine)
select_fragment = QShortcut(QKeySequence("Ctrl+J"), self)
select_fragment.activated.connect(self.selectFragment)
def getText(self):
return self.document().toPlainText()
def eventFilter(self, qobject, qevent):
if qobject == self and qevent.type() == QEvent.ToolTip:
text_cursor = self.cursorForPosition(qevent.pos())
pos = text_cursor.positionInBlock()
user_data = text_cursor.block().userData()
if user_data is not None:
#: :type: ConfigurationLine
configuration_line = user_data.configuration_line
# if configuration_line.keyword().hasKeywordDefinition():
# print(configuration_line.keyword().keywordDefinition().documentation)
if pos in configuration_line.keyword():
self.setToolTip(
configuration_line.validationStatusForToken(
configuration_line.keyword()).message())
else:
for argument in configuration_line.arguments():
if pos in argument:
self.setToolTip(
configuration_line.validationStatusForToken(
argument).message())
else:
self.setToolTip("")
return QPlainTextEdit.eventFilter(self, qobject, qevent)
def activateCompleter(self):
text_cursor = self.textCursor()
block = self.document().findBlock(text_cursor.position())
position_in_block = text_cursor.positionInBlock()
self.selectWordUnderCursor(text_cursor)
word = unicode(text_cursor.selectedText())
user_data = block.userData()
self.completer.setCompletionPrefix(word)
show_completer = False
if user_data is None:
self.completer.setModel(QStringListModel(self.handler_names))
show_completer = True
else:
keyword = user_data.keyword
options = keyword.handler.parameterOptions(keyword, word,
position_in_block)
if len(options) == 1:
self.insertCompletion(options[0])
elif len(options) > 1:
self.completer.setModel(QStringListModel(options))
if self.completer.completionCount() == 1:
self.insertCompletion(self.completer.currentCompletion())
else:
show_completer = True
if show_completer:
rect = self.cursorRect(text_cursor)
rect.setWidth(
self.completer.popup().sizeHintForColumn(0) +
self.completer.popup().verticalScrollBar().sizeHint().width())
self.completer.complete(rect)
def keyPressEvent(self, qkeyevent):
if self.completer.popup().isVisible():
dead_keys = [
Qt.Key_Enter,
Qt.Key_Return,
Qt.Key_Escape,
Qt.Key_Tab,
Qt.Key_Backtab,
]
if qkeyevent.key() in dead_keys:
qkeyevent.ignore()
return
if qkeyevent.modifiers() == Qt.ShiftModifier:
if qkeyevent.key() & Qt.Key_Delete == Qt.Key_Delete:
self.deleteLine()
QPlainTextEdit.keyPressEvent(self, qkeyevent)
def insertCompletion(self, string):
text_cursor = self.textCursor()
self.selectWordUnderCursor(text_cursor)
text_cursor.insertText(string)
def isCursorInSpace(self):
text_cursor = self.textCursor()
if text_cursor.positionInBlock() > 0:
text_cursor.movePosition(QTextCursor.Left, QTextCursor.MoveAnchor)
text_cursor.movePosition(QTextCursor.Right, QTextCursor.KeepAnchor)
if text_cursor.positionInBlock() < text_cursor.block().length() - 1:
text_cursor.movePosition(QTextCursor.Right, QTextCursor.KeepAnchor)
if unicode(text_cursor.selectedText()).strip() == "":
return True
return False
def selectWordUnderCursor(self, text_cursor):
if not self.isCursorInSpace():
# text_cursor.select(QTextCursor.WordUnderCursor)
# pattern = "[\s|\v|\f|\n|\r|\t|\xe2\x80\xa8|\xe2\x80\xa9]"
# pattern = "[\\s|\\xe2\\x80\\xa9|\\xe2\\x80\\xa8]"
block_start = 0
block_end = text_cursor.block().length()
cursor_pos = text_cursor.positionInBlock()
pos = cursor_pos
pattern = u"[\\s\u2029\u2028]"
while pos >= block_start:
text_cursor.movePosition(QTextCursor.Left,
QTextCursor.KeepAnchor)
text = text_cursor.selectedText()
if re.search(pattern, text):
break
pos -= 1
text_cursor.movePosition(QTextCursor.Right, QTextCursor.MoveAnchor)
while pos < block_end:
text_cursor.movePosition(QTextCursor.Right,
QTextCursor.KeepAnchor)
text = text_cursor.selectedText()
if re.search(pattern, text):
break
pos += 1
text_cursor.movePosition(QTextCursor.Left, QTextCursor.KeepAnchor)
# pattern = "[\\s]"
# start = self.document().find(QRegExp(pattern), text_cursor, QTextDocument.FindBackward | QTextDocument.FindCaseSensitively)
# end = self.document().find(QRegExp(pattern), text_cursor, QTextDocument.FindCaseSensitively)
# block_end_pos = text_cursor.block().position() + text_cursor.block().length()
#
# text_cursor.setPosition(start.position(), QTextCursor.MoveAnchor)
# # text_cursor.setPosition(min(block_end_pos, end.position() - 1), QTextCursor.KeepAnchor)
# text_cursor.setPosition(end.position() - 1, QTextCursor.KeepAnchor)
def deleteLine(self):
text_cursor = self.textCursor()
text_cursor.beginEditBlock()
text_cursor.select(QTextCursor.LineUnderCursor)
text_cursor.removeSelectedText()
text_cursor.deletePreviousChar()
text_cursor.movePosition(QTextCursor.NextBlock)
text_cursor.movePosition(QTextCursor.StartOfLine)
self.setTextCursor(text_cursor)
text_cursor.endEditBlock()
def duplicateLine(self):
text_cursor = self.textCursor()
text_cursor.beginEditBlock()
text_cursor.select(QTextCursor.LineUnderCursor)
text = text_cursor.selectedText()
text_cursor.movePosition(QTextCursor.EndOfLine)
text_cursor.insertBlock()
text_cursor.insertText(text)
text_cursor.endEditBlock()
def selectFragment(self):
text_cursor = self.textCursor()
self.selectWordUnderCursor(text_cursor)
self.setTextCursor(text_cursor)
class AutoComplete(QObject):
def __init__(self, parent):
super(AutoComplete, self).__init__(parent)
self.mode = COMPLETE_MODE.INLINE
self.completer = None
self._last_key = None
parent.edit.installEventFilter(self)
self.init_completion_list([])
def eventFilter(self, widget, event):
if event.type() == QEvent.KeyPress:
return bool(self.key_pressed_handler(event))
return False
def key_pressed_handler(self, event):
intercepted = False
key = event.key()
if key == Qt.Key_Tab:
intercepted = self.handle_tab_key(event)
elif key in (Qt.Key_Return, Qt.Key_Enter, Qt.Key_Space):
intercepted = self.handle_complete_key(event)
elif key == Qt.Key_Escape:
intercepted = self.hide_completion_suggestions()
self._last_key = key
self.update_completion(key)
return intercepted
def handle_tab_key(self, event):
if self.parent()._textCursor().hasSelection():
return False
if self.mode == COMPLETE_MODE.DROPDOWN:
if self.parent().input_buffer().strip():
if self.completing():
self.complete()
else:
self.trigger_complete()
event.accept()
return True
elif self.mode == COMPLETE_MODE.INLINE:
if self._last_key == Qt.Key_Tab:
self.trigger_complete()
event.accept()
return True
def handle_complete_key(self, event):
if self.completing():
self.complete()
event.accept()
return True
def init_completion_list(self, words):
self.completer = QCompleter(words, self)
self.completer.setCompletionPrefix(self.parent().input_buffer())
self.completer.setWidget(self.parent().edit)
self.completer.setCaseSensitivity(Qt.CaseSensitive)
self.completer.setModelSorting(QCompleter.CaseSensitivelySortedModel)
if self.mode == COMPLETE_MODE.DROPDOWN:
self.completer.setCompletionMode(QCompleter.PopupCompletion)
self.completer.activated.connect(self.insert_completion)
else:
self.completer.setCompletionMode(QCompleter.InlineCompletion)
def trigger_complete(self):
_buffer = self.parent().input_buffer().strip()
self.show_completion_suggestions(_buffer)
def show_completion_suggestions(self, _buffer):
words = self.parent().get_completions(_buffer)
# No words to show, just return
if len(words) == 0:
return
# Close any popups before creating a new one
if self.completer.popup():
self.completer.popup().close()
self.init_completion_list(words)
leastcmn = long_substr(words)
self.insert_completion(leastcmn)
# If only one word to complete, just return and don't display options
if len(words) == 1:
return
if self.mode == COMPLETE_MODE.DROPDOWN:
cr = self.parent().edit.cursorRect()
sbar_w = self.completer.popup().verticalScrollBar()
popup_width = self.completer.popup().sizeHintForColumn(0)
popup_width += sbar_w.sizeHint().width()
cr.setWidth(popup_width)
self.completer.complete(cr)
elif self.mode == COMPLETE_MODE.INLINE:
cl = columnize(words, colsep=' | ')
self.parent()._insert_output_text('\n\n' + cl + '\n',
lf=True,
keep_buffer=True)
def hide_completion_suggestions(self):
if self.completing():
self.completer.popup().close()
return True
def completing(self):
if self.mode == COMPLETE_MODE.DROPDOWN:
return (self.completer.popup()
and self.completer.popup().isVisible())
else:
return False
def insert_completion(self, completion):
_buffer = self.parent().input_buffer().strip()
# Handling the . operator in object oriented languages so we don't
# overwrite the . when we are inserting the completion. Its not the .
# operator If the buffer starts with a . (dot), but something else
# perhaps terminal specific so do nothing.
if '.' in _buffer and _buffer[0] != '.':
idx = _buffer.rfind('.') + 1
_buffer = _buffer[idx:]
if self.mode == COMPLETE_MODE.DROPDOWN:
self.parent().insert_input_text(completion[len(_buffer):])
elif self.mode == COMPLETE_MODE.INLINE:
self.parent().clear_input_buffer()
self.parent().insert_input_text(completion)
words = self.parent().get_completions(completion)
if len(words) == 1:
self.parent().insert_input_text(' ')
def update_completion(self, key):
if self.completing():
_buffer = self.parent().input_buffer()
if len(_buffer) > 1:
self.show_completion_suggestions(_buffer)
self.completer.setCurrentRow(0)
model = self.completer.completionModel()
self.completer.popup().setCurrentIndex(model.index(0, 0))
else:
self.completer.popup().hide()
def complete(self):
if self.completing() and self.mode == COMPLETE_MODE.DROPDOWN:
index = self.completer.popup().currentIndex()
model = self.completer.completionModel()
word = model.itemData(index)[0]
self.insert_completion(word)
self.completer.popup().hide()
class AbstractComboListInputWidget(QComboBox):
"""
A custom QComboBox with a completer / model. This is
designed to be an abstract class that will be inherited by the
the GSV and Node ComboBoxes
Attributes:
exists (bool) flag used to determine whether or not the popup menu
for the menu change should register or not (specific to copy/paste
of a node.
In plain english... this flag is toggled to hide the Warning PopUp Box
from displaying to the user in some events.
item_list (list): string list of all of the items in the list. Updating this
will auto update the default settings for blank setups
previous_text (str): the previous items text. This is stored for cancel events
and allowing the user to return to the previous item after cancelling.
"""
TYPE = 'list'
def __init__(self, parent=None):
super(AbstractComboListInputWidget, self).__init__(parent)
self.main_widget = self.parent()
self.previous_text = ''
self.setExistsFlag(True)
# setup line edit
#self.line_edit = QLineEdit("Select & Focus", self)
self.line_edit = QLineEdit(self)
self.line_edit.editingFinished.connect(self.userFinishedEditing)
self.setLineEdit(self.line_edit)
self.setEditable(True)
# setup completer
self.completer = QCompleter(self)
self.completer.setCompletionMode(QCompleter.PopupCompletion)
self.completer.setCaseSensitivity(Qt.CaseInsensitive)
self.completer.setPopup(self.view())
self.setCompleter(self.completer)
self.pFilterModel = QSortFilterProxyModel(self)
# set size policy ( this will ignore the weird resizing effects)
size_policy = QSizePolicy(QSizePolicy.Ignored, QSizePolicy.Preferred)
self.setSizePolicy(size_policy)
# initialize model...
model = QStandardItemModel()
self.setModel(model)
self.setModelColumn(0)
def populate(self, item_list):
"""
Creates all of the items from the item list and
appends them to the model.
item_list (list): list of strings to be displayed to the user
this should be set with the setCleanItemsFunction.
"""
self.setItemList(item_list)
for i, item_name in enumerate(self.getItemList()):
item = QStandardItem(item_name)
self.model().setItem(i, 0, item)
self.setExistsFlag(False)
def update(self):
"""
Updates the model items with all of the graph state variables.
This is very similar to the populate call, except that with this, it
will remove all of the items except for the current one. Which
will ensure that an indexChanged event is not registered thus
updating the UI.
"""
self.setExistsFlag(False)
self.model().clear()
self.populate(self.getCleanItems())
self.setCurrentIndexToText(self.previous_text)
self.setExistsFlag(True)
def setModel(self, model):
# somehow this super makes the node type not resize...
super(AbstractListInputWidget, self).setModel(model)
self.pFilterModel.setSourceModel(model)
self.completer.setModel(self.pFilterModel)
def setModelColumn(self, column):
self.completer.setCompletionColumn(column)
self.pFilterModel.setFilterKeyColumn(column)
super(AbstractListInputWidget, self).setModelColumn(column)
def view(self):
return self.completer.popup()
""" UTILS """
def next_completion(self):
row = self.completer.currentRow()
# if does not exist reset
if not self.completer.setCurrentRow(row + 1):
self.completer.setCurrentRow(0)
# if initializing
if self.completer.popup().currentIndex().row() == -1:
self.completer.setCurrentRow(0)
index = self.completer.currentIndex()
self.completer.popup().setCurrentIndex(index)
def previous_completion(self):
row = self.completer.currentRow()
numRows = self.completer.completionCount()
# if wrapping
if not self.completer.setCurrentRow(row - 1):
self.completer.setCurrentRow(numRows - 1)
# if initializing
if self.completer.popup().currentIndex().row() == -1:
self.completer.setCurrentRow(numRows - 1)
index = self.completer.currentIndex()
self.completer.popup().setCurrentIndex(index)
def setCurrentIndexToText(self, text):
"""
Sets the current index to the text provided. If no
match can be found, this will default back to the
first index.
If no first index... create '' ?
"""
self.setExistsFlag(False)
# get all matches
items = self.model().findItems(text, Qt.MatchExactly)
# set to index of match
if len(items) > 0:
index = self.model().indexFromItem(items[0]).row()
self.setCurrentIndex(index)
else:
self.setCurrentIndex(0)
self.previous_text = self.currentText()
self.setExistsFlag(True)
def isUserInputValid(self):
"""
Determines if the new user input is currently
in the model.
Returns True if this is an existing item, Returns
false if it is not.
"""
items = self.model().findItems(self.currentText(), Qt.MatchExactly)
if len(items) > 0:
return True
else:
return False
def setupStyleSheet(self):
width = self.width()
dropdown_width = int(width * 0.35)
style_sheet_args = iColor.style_sheet_args
style_sheet_args['width'] = dropdown_width
# QComboBox {{
# border: None;
# background-color: rgba{rgba_gray_0}
# }}
style_sheet = """
QComboBox{{
border: None;
background-color: rgba{rgba_gray_0};
color: rgba{rgba_text};
}}
QComboBox::drop-down {{
width: {width}px;
}}
QLineEdit{{
border: None;
background-color: rgba{rgba_gray_0};
color: rgba{rgba_text};
}}
QListView{{
border: None;
background-color: rgba{rgba_gray_0};
color: rgba{rgba_text};
}}
QListView::item:hover{{
background-color: rgba(255,0,0,255);
}}
""".format(**style_sheet_args)
self.completer.popup().setStyleSheet("""
QListView{{
border: None;
background-color: rgba{rgba_gray_0};
color: rgba{rgba_text};
}}
QListView::item:hover{{
background-color: rgba(255,0,0,255);
}}
""".format(**style_sheet_args))
self.setStyleSheet(style_sheet)
""" API """
def __selectionChangedEmit(self):
pass
def setSelectionChangedEmitEvent(self, method):
"""
sets the method for the selection changed emit call
this will be called everytime the user hits enter/return
inside of the line edits as a way of sending an emit
signal from the current text changed (finalized) before
input changed event...
"""
self.__selectionChangedEmit = method
def __getCleanItems(self):
return []
def setCleanItemsFunction(self, function):
"""
Sets the function to get the list of strings to populate the model
function (function): function to return a list of strings to be shown
to the user
"""
self.__getCleanItems = function
def getCleanItems(self):
"""
Returns a list of strings based off of the function set with
setCleanItemsFunction
"""
return self.__getCleanItems()
""" EVENTS """
def userFinishedEditing(self):
is_input_valid = self.isUserInputValid()
if is_input_valid:
self.__selectionChangedEmit()
self.previous_text = self.currentText()
#self.userFinishedEditingEvent(self.currentText())
else:
self.setCurrentIndexToText(self.previous_text)
def resizeEvent(self, event):
self.setupStyleSheet()
return QComboBox.resizeEvent(self, event)
def event(self, event, *args, **kwargs):
"""
Registering key presses in here as for some reason
they don't work in the keyPressEvent method...
"""
if event.type() == QEvent.KeyPress:
# tab
if event.key() == Qt.Key_Tab:
self.next_completion()
return True
# shift tab
elif event.key() == Qt.Key_Tab + 1:
self.previous_completion()
return True
# enter pressed
elif event.key() in [Qt.Key_Return, Qt.Key_Enter, Qt.Key_Down]:
self.__selectionChangedEmit()
elif event.type() == QEvent.MouseButtonRelease:
self.completer.setPopup(self.view())
return QComboBox.event(self, event, *args, **kwargs)
""" PROPERTIES """
def getExistsFlag(self):
return self._exists
def setExistsFlag(self, exists):
self._exists = exists
def getItemList(self):
return self._item_list
def setItemList(self, item_list):
if self.previous_text == '':
item_list.insert(0, '')
self._item_list = item_list
@property
def previous_text(self):
return self._previous_text
@previous_text.setter
def previous_text(self, previous_text):
self._previous_text = previous_text
