def mouseReleaseEvent(self, event):
if self._scrolling:
QApplication.restoreOverrideCursor()
self._scrolling = False
self._scroll_init_y = 0
self._scroll_init_val = 0
event.accept()
def leaveEvent(self, event):
"""
Overrides base QFrame leaveEvent function
:param event: QEvent
"""
QApplication.restoreOverrideCursor()
def wrapper(*args, **kwargs):
cursor = QCursor(Qt.ArrowCursor)
QApplication.setOverrideCursor(cursor)
try:
return fn(*args, **kwargs)
finally:
QApplication.restoreOverrideCursor()
def show_already_existing_dialog(self):
"""
Shows a warning dialog if the item already exists on save
"""
if not self.library_window():
raise exceptions.ItemSaveError('Item already exists!')
buttons = QDialogButtonBox.Yes | QDialogButtonBox.Cancel
try:
QApplication.setOverrideCursor(Qt.ArrowCursor)
button = self.library_window().show_question_dialog(
'Item already exists',
'Would you like to move the existing item "{}" to trash?'.format(os.path.basename(self.path())), buttons
)
finally:
QApplication.restoreOverrideCursor()
if button == QDialogButtonBox.Yes:
self._move_to_trash()
elif button == QMessageBox.Cancel:
return button
else:
raise exceptions.ItemSaveError('You cannot save over an existing item.')
return button
def overrideCursor(cursor=QtCore.Qt.WaitCursor):
""" For use with the "with" keyword, so the override cursor is always
restored via a try/finally block, even if the commands in-between fail.
Example:
with overrideCursor():
# do something that may raise an error
"""
from Qt.QtWidgets import QApplication
QApplication.setOverrideCursor(cursor)
try:
yield
finally:
QApplication.restoreOverrideCursor()
def restoreOverrideCursor(self):
if not self._overridden:
return
QApplication.restoreOverrideCursor()
self._overridden = False
def leaveEvent(self, event):
if self.can_scroll():
QApplication.restoreOverrideCursor()
def restore_cursor():
"""
Restores current Qt application cursor
"""
QApplication.restoreOverrideCursor()
