def process_interaction(self, event=None, args=None, do_update=None):
"""Process user interaction.
This method is called after each user action (mouse, keyboard...).
It finds the right action associated to the command, then the event
associated to that action.
Arguments:
* event=None: if None, the current event associated to the current
user action is retrieved. Otherwise, an event can be directly
passed here to force the trigger of any interaction event.
* args=None: the arguments of the event if event is not None.
"""
if event is None:
# get current event from current user action
event, args = self.get_current_event()
prev_event = self.interaction_manager.prev_event
# handle interaction mode change
if event == 'SwitchInteractionMode':
binding = self.switch_interaction_mode()
log_info("Switching interaction mode to %s." % \
binding.__class__.__name__)
# process the interaction event
self.interaction_manager.process_event(event, args)
# raise a signal if there is one associated to the current event
if event in self.events_to_signals:
self.events_to_signals[event].emit(*args)
# set cursor
self.set_current_cursor()
# clean current action (unique usage)
self.user_action_generator.clean_action()
# update the OpenGL view
if do_update is None:
do_update = (
# (not isinstance(self, GalryTimerWidget)) and
(event is not None or prev_event is not None))
if do_update:
self.updateGL()
def set_autodestruct(self, autodestruct=None):
# by default, use global variable
if autodestruct is None:
# use the autodestruct option in command line by default
autodestruct = "autodestruct" in sys.argv
if autodestruct is False:
global AUTODESTRUCT
autodestruct = AUTODESTRUCT
# option for autodestructing the window after a fixed number of
# seconds: useful for automatic testing
if autodestruct is True:
# 3 seconds by default, if True
global DEFAULT_AUTODESTRUCT
autodestruct = DEFAULT_AUTODESTRUCT
if autodestruct:
log_info("window autodestruction in %d second(s)" % (autodestruct / 1000.0))
self.autodestruct = autodestruct
def set_autodestruct(self, autodestruct=None):
# by default, use global variable
if autodestruct is None:
# use the autodestruct option in command line by default
autodestruct = "autodestruct" in sys.argv
if autodestruct is False:
global AUTODESTRUCT
autodestruct = AUTODESTRUCT
# option for autodestructing the window after a fixed number of
# seconds: useful for automatic testing
if autodestruct is True:
# 3 seconds by default, if True
global DEFAULT_AUTODESTRUCT
autodestruct = DEFAULT_AUTODESTRUCT
if autodestruct:
log_info("window autodestruction in %d second(s)" % (autodestruct / 1000.))
self.autodestruct = autodestruct
def find_best_size(font="segoe", size=32):
"""Find the closest font size in the existing font files."""
filename = font + str(size)
path = os.path.dirname(os.path.realpath(__file__))
fnt = os.path.join(path, "%s.fnt" % filename)
if os.path.exists(fnt):
return size
else:
# we go through all .fnt files
files = [file for file in os.listdir(path) if file.startswith(font) \
and file.endswith('.fnt')]
files.sort()
# we take the largest existing size that is smaller to the requested
# size
newsize = 0
for file in files:
m = re.match(font + "([0-9]+)", file)
if m:
if int(m.group(1)) > size:
break
newsize = int(m.group(1))
log_info("font %s %d does not exist, loading size %d instead" % \
(font, size, newsize))
return newsize