class EqualizerScreen(Screen):
""" Equalizer Screen """
def __init__(self, util, listeners, voice_assistant):
""" Initializer
:param util: utility object
:param listener: screen menu event listener
"""
self.util = util
self.config = util.config
self.current_values = FLAT_PRESETS.copy()
try:
config_values = self.config[CURRENT][EQUALIZER]
self.current_values = config_values.copy()
except:
pass
Screen.__init__(self, util, EQUALIZER, PERCENT_TOP_HEIGHT,
voice_assistant)
self.equalizer_menu = EqualizerMenu(util, self.handle_slider_event,
(0, 0, 0), self.layout.CENTER)
self.equalizer_menu.set_bands(self.current_values)
self.add_menu(self.equalizer_menu)
c = self.config[COLORS][COLOR_DARK_LIGHT]
self.equalizer_navigator = EqualizerNavigator(util,
listeners[KEY_HOME],
listeners[KEY_PLAYER],
self.handle_presets, c,
self.layout.BOTTOM)
self.add_menu(self.equalizer_navigator)
def handle_presets(self, state):
name = state.name
if name == CLASSICAL: self.current_values = CLASSIC_PRESETS.copy()
elif name == JAZZ: self.current_values = JAZZ_PRESETS.copy()
elif name == POP: self.current_values = POP_PRESETS.copy()
elif name == ROCK: self.current_values = ROCK_PRESETS.copy()
elif name == CONTEMPORARY:
self.current_values = CONTEMPORARY_PRESETS.copy()
elif name == FLAT:
self.current_values = FLAT_PRESETS.copy()
self.equalizer_menu.set_bands(self.current_values)
self.config[CURRENT][EQUALIZER] = self.current_values.copy()
self.util.set_equalizer(self.current_values)
def handle_slider_event(self, state):
band = int(state.event_origin.name[-1])
v = state.position
self.current_values[band] = v
self.config[CURRENT][EQUALIZER] = self.current_values.copy()
self.util.set_equalizer_band_value(band + 1, v)
s = self.equalizer_menu.sliders[band]
s.set_value(str(v))
def add_screen_observers(self, update_observer, redraw_observer):
""" Add screen observers
:param update_observer: observer for updating the screen
:param redraw_observer: observer to redraw the whole screen
"""
Screen.add_screen_observers(self, update_observer, redraw_observer)
self.equalizer_menu.add_menu_observers(update_observer,
redraw_observer)
for b in self.equalizer_navigator.menu_buttons:
self.add_button_observers(b, update_observer, redraw_observer)
class EqualizerScreen(Screen):
""" Equalizer Screen """
def __init__(self, util, listeners, voice_assistant):
""" Initializer
:param util: utility object
:param listener: screen menu event listener
"""
self.util = util
self.config = util.config
self.current_values = FLAT_PRESETS.copy()
try:
config_values = self.config[CURRENT][EQUALIZER]
self.current_values = config_values.copy()
except:
pass
Screen.__init__(self, util, EQUALIZER, PERCENT_TOP_HEIGHT,
voice_assistant)
self.equalizer_menu = EqualizerMenu(util, self.handle_slider_event,
self.layout.CENTER)
self.equalizer_menu.set_parent_screen(self)
self.equalizer_menu.set_bands(self.current_values)
self.add_menu(self.equalizer_menu)
self.equalizer_navigator = EqualizerNavigator(util, self.layout.BOTTOM,
listeners,
self.handle_presets)
self.add_navigator(self.equalizer_navigator)
self.link_borders(first_index=0, last_index=9)
self.equalizer_navigator.buttons[0].set_selected(True)
self.navigator_selected = True
def handle_presets(self, state):
""" Handle presets
:param state: state object
"""
name = state.name
if name == CLASSICAL: self.current_values = CLASSIC_PRESETS.copy()
elif name == JAZZ: self.current_values = JAZZ_PRESETS.copy()
elif name == POP: self.current_values = POP_PRESETS.copy()
elif name == ROCK: self.current_values = ROCK_PRESETS.copy()
elif name == CONTEMPORARY:
self.current_values = CONTEMPORARY_PRESETS.copy()
elif name == FLAT:
self.current_values = FLAT_PRESETS.copy()
self.equalizer_menu.set_bands(self.current_values)
self.config[CURRENT][EQUALIZER] = self.current_values.copy()
self.util.set_equalizer(self.current_values)
def handle_slider_event(self, state):
""" Handle slider event
:param state: state object
"""
if self.navigator_selected:
for b in self.equalizer_navigator.buttons:
b.set_selected(False)
b.clean_draw_update()
self.navigator_selected = False
band = int(state.event_origin.name[-1])
v = state.position
self.current_values[band] = v
self.config[CURRENT][EQUALIZER] = self.current_values.copy()
self.util.set_equalizer_band_value(band + 1, v)
s = self.equalizer_menu.sliders[band]
s.set_value(str(v))
def add_screen_observers(self, update_observer, redraw_observer):
""" Add screen observers
:param update_observer: observer for updating the screen
:param redraw_observer: observer to redraw the whole screen
"""
Screen.add_screen_observers(self, update_observer, redraw_observer)
self.equalizer_menu.add_menu_observers(update_observer,
redraw_observer)
self.equalizer_navigator.add_observers(update_observer,
redraw_observer)