def create_system(self):
'''Builds all of the components and sends them the unified screen'''
self.banner = Banner(self.screen)
self.guide = Guide(self.screen)
# Feedback
feedback_start_x = 1
feedback_start_y = 5
feedback_width = self.width()-2
feedback_height = 1
feedback_win = curses.newwin(feedback_height, feedback_width, feedback_start_y, feedback_start_x)
feedback_win.leaveok(1)
self.feedback = FeedbackDisplay(feedback_win)
# Menu
menu_start_x = 1
menu_start_y = 7
menu_width = self.width() - 2
menu_height = self.height() - 7 - 6 # 7 for banner/feedback, 6 for guide
menu_win = curses.newwin(menu_height, menu_width, menu_start_y, menu_start_x)
self.menu = Menu(menu_win)
class DrawHandler(CursedObject, EventHandler):
def __init__(self, event_handler):
EventHandler.__init__(self)
self.attachments.append(event_handler)
self.state = event_handler.state
def launch(self, command_parser, ui_parser):
self.start()
self.validate_sufficient_rows()
self.create_system()
self.screen.scrollok(False)
self.screen.clear()
self.screen.refresh()
self.notify_attachments('Resize')
self.draw()
self.launch_threads(command_parser, ui_parser)
def validate_sufficient_rows(self):
'''Checks on startup that there are enough rows to draw Curses menu'''
if self.height() < 27:
self.exit()
print('Critical Error: Insufficient rows available to draw CURSES system. Exiting.');
sys.exit(1)
def create_system(self):
'''Builds all of the components and sends them the unified screen'''
self.banner = Banner(self.screen)
self.guide = Guide(self.screen)
# Feedback
feedback_start_x = 1
feedback_start_y = 5
feedback_width = self.width()-2
feedback_height = 1
feedback_win = curses.newwin(feedback_height, feedback_width, feedback_start_y, feedback_start_x)
feedback_win.leaveok(1)
self.feedback = FeedbackDisplay(feedback_win)
# Menu
menu_start_x = 1
menu_start_y = 7
menu_width = self.width() - 2
menu_height = self.height() - 7 - 6 # 7 for banner/feedback, 6 for guide
menu_win = curses.newwin(menu_height, menu_width, menu_start_y, menu_start_x)
self.menu = Menu(menu_win)
def resize_menu(self):
menu_width = self.width() - 2
menu_height = self.height() - 7 - 6 # 7 for banner/feedback, 6 for guide
self.menu.screen.resize(menu_height, menu_width)
def launch_threads(self, command_parser, ui_parser):
"""Launches a UI thread"""
ui = UI(self, command_parser, ui_parser)
ui_thread = threading.Thread(target=ui.__running__)
ui_thread.start()
refresh_thread = threading.Thread(target=self.refresh_thread)
refresh_thread.daemon = True
refresh_thread.start()
def refresh_thread(self):
while True:
time.sleep(1.0)
cur_pos = curses.getsyx()
self.feedback.draw()
curses.setsyx(*cur_pos)
curses.doupdate()
def draw(self):
self.screen.clear()
self.screen.refresh()
self.update_menu()
self.redraw()
def update_menu(self):
self.menu.options = self.state.page_elements
self.menu.title = self.state.title
self.menu.subtitle = self.state.subtitle
def redraw(self):
self.menu.draw(selected=self.state.selected_element)
self.screen.refresh()
self.banner.draw()
self.feedback.draw()
self.guide.draw()
def banner_update(self, song_details):
if song_details is not None:
self.feedback.new_song( int(song_details['durationMillis']) / 1000 )
else:
self.feedback.is_playing = False
self.banner.track = song_details
self.feedback.draw()
self.banner.draw()
def get_page_capacity(self):
return self.menu.height() - 5
def provide_feedback(self, information):
# self.feedback.draw(information)
pass
def handle_event(self, event, args=None):
if isinstance(event, events.PageUpdate):
self.redraw()
if isinstance(event, events.PageChange):
self.update_menu()
self.redraw()
def pause_or_resume(self, is_paused):
self.feedback.is_paused = is_paused
self.feedback.draw()
def random(self, is_random):
self.feedback.is_random = is_random
self.feedback.draw()