stream-chat/ui/App.py
2021-04-09 17:32:30 -07:00

92 lines
2.9 KiB
Python

from collections import deque
from multiprocessing import Process
import pygame
from pygame.time import Clock
from . import BG_COLOR
from .MessageView import MessageView
class App(Process):
def __init__(self, chat_processes, plugins):
super().__init__()
self._chat_processes = chat_processes
self._plugins = plugins
self.size = self.width, self.height = 500, 1200
self._title = 'Chat monitor'
self._scroll_speed = 20
self._max_fps = 60
self.chat_log = deque(maxlen=100)
self._log_scroll = 0
self._running = False
self._display_surf = None
@property
def deamon(self):
return True
def setup(self):
pygame.init()
pygame.display.set_caption(self._title)
self._display_surf = pygame.display.set_mode(self.size)
self._running = True
def on_event(self, event):
if event.type == pygame.QUIT:
self._running = False
elif event.type == pygame.KEYDOWN:
for process in self._chat_processes:
bound_action = process.keybinds.get(event.key)
if bound_action is not None:
process.control_pipe.send(bound_action)
def tick(self, dt):
for process in self._chat_processes:
if not process.message_queue.empty():
message = process.message_queue.get()
for plugin in self._plugins:
message = plugin.on_message(message)
if message is None:
break
else:
message_view = MessageView(message, self.size)
self.chat_log.append(message_view)
self._log_scroll += message_view.rect.height
for message in self.chat_log:
message.tick(dt)
for plugin in self._plugins:
plugin.tick(dt)
if (self._log_scroll > 0):
self._log_scroll -= min(max((dt / 1000) * (self._log_scroll) * self._scroll_speed, 0.25), self.height / 4)
else:
self._log_scroll = 0
def draw(self):
self._display_surf.fill(BG_COLOR)
current_height = int(self.height + self._log_scroll)
for message in list(reversed(self.chat_log)):
message_rect = message.rect
if current_height > 0 and current_height < self.height + message_rect.height:
self._display_surf.blit(message.draw(), (0, current_height - message_rect.height))
current_height -= message_rect.height
pygame.display.flip()
def cleanup(self):
pygame.quit()
def run(self):
self.setup()
clock = Clock()
while self._running:
for event in pygame.event.get():
self.on_event(event)
dt = clock.tick(self._max_fps)
self.tick(dt)
self.draw()
self.cleanup()