def quit_app():
"""Close all windows and quit the QApplication if napari started it."""
QApplication.closeAllWindows()
# if we started the application then the app will be named 'napari'.
if (QApplication.applicationName() == 'napari'
and not _ipython_has_eventloop()):
QApplication.quit()
# otherwise, something else created the QApp before us (such as
# %gui qt IPython magic). If we quit the app in this case, then
# *later* attempts to instantiate a napari viewer won't work until
# the event loop is restarted with app.exec_(). So rather than
# quit just close all the windows (and clear our app icon).
else:
QApplication.setWindowIcon(QIcon())
if perf.USE_PERFMON:
# Write trace file before exit, if we were writing one.
# Is there a better place to make sure this is done on exit?
perf.timers.stop_trace_file()
if config.monitor:
# Stop the monitor service if we were using it
from ..components.experimental.monitor import monitor
monitor.stop()
if config.async_loading:
# Shutdown the chunkloader
from ..components.experimental.chunk import chunk_loader
chunk_loader.shutdown()
def _wrapper(self):
global QAPP
if not QAPP:
setup_library_paths()
QAPP = QApplication([''])
test_method(self)
QAPP.closeAllWindows()
def start_cube_extraction(viewer):
"""Extract cubes for training"""
if not output_filename.exists():
print("No curation results have been saved. "
"Please save before extracting cubes")
else:
print(f"Saving cubes to: {output_directory}")
run_extraction(
output_filename,
output_directory,
args.signal_image_paths,
args.background_image_paths,
args.cube_depth,
args.cube_width,
args.cube_height,
args.voxel_sizes,
args.network_voxel_sizes,
args.max_ram,
args.n_free_cpus,
args.save_empty_cubes,
)
print("Saving yaml file to use for training")
save_yaml_file(output_directory)
print("Closing window")
QApplication.closeAllWindows()
print("Finished! You may now annotate more "
"datasets, or go straight to training")
def to_brainrender(self):
print("Closing viewer and viewing in brainrender.")
QApplication.closeAllWindows()
view_in_brainrender(
self.scene,
self.splines,
self.paths.regions_directory,
alpha=self.region_alpha.value(),
shading=str(self.shading.currentText()),
region_to_add=str(self.region_to_render.currentText()),
region_alpha=self.structure_alpha.value(),
)
def handle_exit():
# if the event loop was started in gui_qt() then the app will be
# named 'napari'. Since the Qapp was started by us, just close it.
if QApplication.applicationName() == 'napari':
QApplication.closeAllWindows()
QApplication.quit()
# otherwise, something else created the QApp before us (such as
# %gui qt IPython magic). If we quit the app in this case, then
# *later* attemps to instantiate a napari viewer won't work until
# the event loop is restarted with app.exec_(). So rather than
# quit just close all the windows (and clear our app icon).
else:
QApplication.setWindowIcon(QIcon())
self.close()
def handle_exit():
# if the event loop was started in gui_qt() then the app will be
# named 'napari'. Since the Qapp was started by us, just close it.
if QApplication.applicationName() == 'napari':
QApplication.closeAllWindows()
QApplication.quit()
# otherwise, something else created the QApp before us (such as
# %gui qt IPython magic). If we quit the app in this case, then
# *later* attempts to instantiate a napari viewer won't work until
# the event loop is restarted with app.exec_(). So rather than
# quit just close all the windows (and clear our app icon).
else:
QApplication.setWindowIcon(QIcon())
self.close()
if perf.USE_PERFMON:
# Write trace file before exit, if we were writing one.
# Is there a better place to make sure this is done on exit?
perf.timers.stop_trace_file()
