def wheelEvent(self, event: QWheelEvent) -> None: # pylint: disable=invalid-name
"""With Ctrl depressed, zoom the current image, otherwise fire the
next/previous functions."""
modifiers = QApplication.keyboardModifiers()
if event.angleDelta().y() == 120 and modifiers == Qt.ControlModifier:
self.view.scale(0.75, 0.75)
elif event.angleDelta().y() == 120:
self.previous()
elif event.angleDelta().y(
) == -120 and modifiers == Qt.ControlModifier:
self.view.scale(1.25, 1.25)
elif event.angleDelta().y() == -120:
self.next()
def GetSelectionMode():
if QApplication.keyboardModifiers() == Qt.ShiftModifier:
return SelectionMode.MODIFY
return SelectionMode.NORMAL
def keyPressEvent(self, key_event):
key = key_event.key()
if key == Qt.Key_Enter or key == Qt.Key_Return:
super(TextEdit, self).keyPressEvent(key_event)
update_cursor = QTextCursor(self.textCursor())
# Auto - indent
if self._auto_indent:
block = QTextBlock(update_cursor.block().previous())
data = block.text()
pos = block.length()
if pos >= len(data):
pos = len(data) - 1
idx = -1
for i in range(pos, 0, -1):
if data[i] == '\n':
idx = i
break
while (idx + 1) < len(data) \
and data[idx + 1].isspace() \
and data[idx + 1] != '\n' \
and data[idx + 1] != '\r':
update_cursor.insertText(data[idx + 1])
idx += 1
elif key == Qt.Key_Tab or key == Qt.Key_Backtab:
modifiers = QApplication.keyboardModifiers()
indent_line = ""
if self._indent_with_space:
indent_line = ' ' * self._indent_size
else:
indent_line = '\t'
current_text_cursor = QTextCursor(self.textCursor())
selection_start = current_text_cursor.selectionStart()
selection_end = current_text_cursor.selectionEnd()
if selection_start == selection_end:
if not (modifiers & Qt.ShiftModifier):
current_text_cursor.insertText(indent_line)
else:
current_text_cursor.setPosition(current_text_cursor.block().position())
text = current_text_cursor.block().text()
for i in range(0, min(len(indent_line), len(text))):
if not text[i].isspace():
break
current_text_cursor.deleteChar()
else:
text_block = QTextBlock(self.document().findBlock(selection_start))
while text_block.isValid() and text_block.position() <= selection_end:
current_text_cursor.setPosition(text_block.position())
if not (modifiers & Qt.ShiftModifier):
current_text_cursor.insertText(indent_line)
selection_end += len(indent_line)
else:
qDebug("<<<")
text = current_text_cursor.block().text()
for i in range(0, min(len(indent_line), len(text))):
if not text[i].isspace():
break
current_text_cursor.deleteChar()
selection_end -= 1
text_block = text_block.next()
else:
super(TextEdit, self).keyPressEvent(key_event)
