Python-With-Gtk-Template/plugins/template/plugin.py

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2022-09-05 23:01:39 +00:00
# Python imports
import os, threading, subprocess, time
# Lib imports
import gi
gi.require_version('Gtk', '3.0')
from gi.repository import Gtk
# Application imports
# NOTE: Threads WILL NOT die with parent's destruction.
def threaded(fn):
def wrapper(*args, **kwargs):
threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=False).start()
return wrapper
# NOTE: Threads WILL die with parent's destruction.
def daemon_threaded(fn):
def wrapper(*args, **kwargs):
threading.Thread(target=fn, args=args, kwargs=kwargs, daemon=True).start()
return wrapper
class Plugin:
def __init__(self):
self.name = "Example Plugin" # NOTE: Need to remove after establishing private bidirectional 1-1 message bus
# where self.name should not be needed for message comms
self._event_system = None
self._event_sleep_time = .5
self._event_message = None
def get_ui_element(self):
button = Gtk.Button(label=self.name)
button.connect("button-release-event", self.send_message)
return button
def set_fm_event_system(self, fm_event_system):
self._event_system = fm_event_system
def run(self):
self._module_event_observer()
def send_message(self, widget=None, eve=None):
message = "Hello, World!"
self._event_system.push_gui_event([self.name, "display_message", ("warning", message, None)])
def wait_for_fm_message(self):
while not self._event_message:
pass
@daemon_threaded
def _module_event_observer(self):
while True:
time.sleep(self._event_sleep_time)
event = self._event_system.read_module_event()
if event:
try:
if event[0] == self.name:
target_id, method_target, data = self._event_system.consume_module_event()
if not method_target:
self._event_message = data
else:
method = getattr(self.__class__, f"{method_target}")
if data:
data = method(*(self, *data))
else:
method(*(self,))
except Exception as e:
print(repr(e))