def keyPressEvent(self, e: QKeyEvent):
textCursor = self.textCursor()
if (e.key() == Qt.Key_Return
or e.key() == Qt.Key_Enter) and self._exitOnReturn:
self.parent().accept()
elif len(self.toPlainText()) - (
textCursor.selectionEnd() -
textCursor.selectionStart()) < self._maxlength:
if not self._validator or self._validator.regExp().exactMatch(
e.text()):
super().keyPressEvent(e)
elif not e.text().isprintable():
if e.matches(QKeySequence.Paste):
self.paste(QApplication.clipboard().text())
e.ignore()
else:
super().keyPressEvent(e)
else:
e.ignore()
elif not e.text().isprintable() and not e.matches(QKeySequence.Paste):
super().keyPressEvent(e)
else:
e.ignore()
def keyPressEvent(self, key_event: QKeyEvent) -> None:
if self.completer and self.completer.popup().isVisible():
# The following keys are forwarded by the completer to the widget
key = key_event.key()
if key in (Qt.Key_Enter, Qt.Key_Return, Qt.Key_Escape, Qt.Key_Tab,
Qt.Key_Backtab):
key_event.ignore()
return # let the completer do default behavior
is_ctrl_modifier = (key_event.modifiers() & Qt.ControlModifier) != 0
is_shift_modifier = (key_event.modifiers() & Qt.ShiftModifier) != 0
ctrl_or_shift = is_ctrl_modifier or is_shift_modifier
is_shortcut = is_ctrl_modifier and key_event.key(
) == Qt.Key_E # CTRL+E
if not self.completer or not is_shortcut: # do not process the shortcut when we have a completer
QLineEdit.keyPressEvent(self, key_event)
if not self.completer or ctrl_or_shift and key_event.text() == '':
return
eow = "~!@#$%^&*()_+{}|:\"<>?,./;'[]\\-=" # end of word
has_modifier = (key_event.modifiers() !=
Qt.NoModifier) and not ctrl_or_shift
completion_prefix = self.text_under_cursor()
if not is_shortcut:
event_text = key_event.text()
if has_modifier or not event_text or len(
completion_prefix) < 1 or event_text[-1] in eow:
self.completer.popup().hide()
return
if completion_prefix != self.completer.completionPrefix():
self.completer.setCompletionPrefix(completion_prefix)
self.completer.popup().setCurrentIndex(
self.completer.completionModel().index(0, 0))
cr = self.cursorRect()
cr.setWidth(
self.completer.popup().sizeHintForColumn(0) +
self.completer.popup().verticalScrollBar().sizeHint().width())
self.completer.complete(cr) # popup it up!
def keyPressEvent(self, event: QtGui.QKeyEvent) -> None:
if self.completer is not None and self.completer.popup().isVisible():
if event.key() in [ # Ignore keys when popup is present
QtCore.Qt.Key_Enter,
QtCore.Qt.Key_Return,
QtCore.Qt.Key_Escape,
QtCore.Qt.Key_Tab,
QtCore.Qt.Key_Down,
QtCore.Qt.Key_Up,
]:
event.ignore()
return
super().keyPressEvent(event)
eow = "~!@#$%^&*()+{}|:\"<>?,./;'[]\\-="
tc = self.textCursor()
tc.select(QtGui.QTextCursor.WordUnderCursor)
prefix = tc.selectedText()
if prefix != self.completer.completionPrefix():
self.completer.setCompletionPrefix(prefix)
self.completer.popup().setCurrentIndex(
self.completer.completionModel().index(0, 0)
)
if (
len(prefix) < 2
or event.text() == ""
or event.text()[-1] in eow
or prefix == self.completer.currentCompletion()
):
self.completer.popup().hide()
else:
rect = self.cursorRect()
rect.setWidth(
self.completer.popup().sizeHintForColumn(0)
+ self.completer.popup().verticalScrollBar().sizeHint().width()
)
self.completer.complete(rect)
def keyPressEvent(self, event: QKeyEvent):
if event.key() in (Qt.Key_Enter, Qt.Key_Return):
if self.commandList[
-1] != self.userTextEntry and self.userTextEntry != "":
self.commandList.append(self.userTextEntry)
self.length = len(self.userTextEntry + self.__line_end())
self.process.writeData(self.userTextEntry + self.__line_end(),
self.length)
self.userTextEntry = ""
elif event.key() == Qt.Key_Backspace:
if self.userTextEntry == "":
return
else:
self.userTextEntry = self.userTextEntry[:-1]
super().keyPressEvent(event)
elif event.key() == Qt.Key_Up:
if -len(self.commandList) < self.history:
self.history -= 1
print(self.commandList[self.history])
return
elif event.key() == Qt.Key_Down:
if self.history < -1:
self.history += 1
print(self.commandList[self.history])
return
elif event.key() == Qt.Key_Delete:
return
elif event.modifiers() == Qt.ControlModifier:
super().keyPressEvent(event)
else:
super().keyPressEvent(event)
self.userTextEntry += event.text()
def event(self, event):
"""
overwritten from base class
:param event:
:return:
"""
if event.type() == QEvent.KeyPress:
if event.key() == Qt.Key_Tab:
if not self._compl.popup().isVisible():
self._compl.complete()
self.nextCompletion(+1)
return True
if event.key() == Qt.Key_Backtab:
if not self._compl.popup().isVisible():
self._compl.complete()
self.nextCompletion(-1)
return True
if event.key() in [Qt.Key_Slash, Qt.Key_Backslash]:
event = QKeyEvent(event.type(), event.key(), event.modifiers(), event.text())
return super().event(event)
def filter_text_key_release(self, source, event: QKeyEvent):
if event.text() == '\r':
if self.ui.filter_set_bt.isEnabled():
self.filter_text_accepted(True)
elif event.text() == '\x1b':
self.filter_text_cleared(True)
def keyReleaseEvent(self, event: QKeyEvent):
print(event.modifiers(), event.key(), event.nativeScanCode(), event.nativeVirtualKey(), event.text())
self.renderer.sendEvent(event)
