def __init__(self, content_manager):
'''Initialization'''
self.__start__()
self.cursed_ui = None
self.options = None
# Highlighted and Normal line definitions
curses.init_pair(1, curses.COLOR_BLACK, curses.COLOR_WHITE)
self.highlighted = curses.color_pair(1)
self.normal = curses.A_NORMAL
self.is_drawable = False
# Attached objects
self.content_manager = content_manager
self.now_playing = NowPlaying(self.screen)
self.guide = Guide(self.screen)
content_manager.attach(self)
content_manager.attach_to_streamer(self.now_playing)
class CursedMenu(CursedObject):
'''A class which abstracts the horrors of building a curses-based menu system'''
def __init__(self, content_manager):
'''Initialization'''
self.__start__()
self.cursed_ui = None
self.options = None
# Highlighted and Normal line definitions
curses.init_pair(1, curses.COLOR_BLACK, curses.COLOR_WHITE)
self.highlighted = curses.color_pair(1)
self.normal = curses.A_NORMAL
self.is_drawable = False
# Attached objects
self.content_manager = content_manager
self.now_playing = NowPlaying(self.screen)
self.guide = Guide(self.screen)
content_manager.attach(self)
content_manager.attach_to_streamer(self.now_playing)
def start(self):
'''Start up the Menu'''
self.screen.clear()
self.screen.refresh()
self.now_playing.draw(new_track=None)
self.draw()
self.is_drawable = True
self.launch_ui_thread()
def draw(self):
'''Draw the menu and lines'''
self.clear_rows_below(6)
self.screen.refresh()
self.print_line(self.content_manager.title, 6, curses.A_BOLD)
self.print_line(self.content_manager.subtitle, 8, curses.A_BOLD)
# Display all the menu items, showing the 'pos' item highlighted
for index in range(len(self.options)):
textstyle = self.normal
if index == self.content_manager.selected:
textstyle = self.highlighted
self.screen.addstr(9+index, 4, "%d.\t%s" % (index+1, self.options[index]), textstyle)
self.guide.draw()
self.screen.border(0)
self.screen.refresh()
def notify(self, options, page=0):
"""Notification handler; tells everything to redraw"""
page_options = self.get_page_options(options, page)
self.options = self.adjust_titles_for_menu_type(page_options, page)
if not self.content_manager.main_menu:
page_options.append('Back')
self.options.append('Back')
if self.is_drawable:
self.now_playing.draw(new_track=None)
self.draw()
return page_options
def get_page_options(self,options,page):
elements_per_page = self.height()-16
lower_bound = page*elements_per_page
upper_bound = (page+1)*elements_per_page
return options[lower_bound:upper_bound]
def adjust_titles_for_menu_type(self, options, page):
"""Figures out how many elements are on a page and gets the appropriate
ones according to the current page"""
if self.content_manager.main_menu:
return options
return [self.format_title(a) for a in options]
def format_title(self, track):
"""Formats a track for display in menu"""
song_width = int(self.width()/2)-4
album_width = int(self.width()/3)-4
title = self.compress_and_pad(track['title'], width=song_width)
album = self.compress_and_pad(track['album'], width=album_width)
return title + " " + album
def launch_ui_thread(self):
"""Launches a UI thread"""
self.cursed_ui = CursedUI(self.screen, self.content_manager)
ui_thread = threading.Thread(target=self.cursed_ui.__running__)
ui_thread.start()
