grzegorz-clients/grzegorz_clients/remi_ui.py

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import random, os, time, shutil, sys
from threading import Timer
import remi.gui as gui
from remi import App
from .utils import Namespace, call_as_thread, seconds_to_timestamp
from . import api
from .constants import *
#globals:
WIDTH = 512
class RemiApp(App):
def __init__(self, *args):
res_path = os.path.join(os.path.dirname(__file__), 'res')
super(RemiApp, self).__init__(*args, static_file_path=res_path)
def make_gui_elements(self):#content and behaviour
#logo:
self.logo_image = gui.Image('/res/logo.png')
#playback controls
self.playback = Namespace()
self.playback.playing = gui.Label("Now playing: None")# (TODO): update this
self.playback.previous = gui.Button(ICON_PREV)
self.playback.previous.set_on_click_listener(self.playback_previous)
self.playback.play = gui.Button(ICON_PLAY)
self.playback.play.set_on_click_listener(self.playback_play)
self.playback.next = gui.Button(ICON_NEXT)
self.playback.next.set_on_click_listener(self.playback_next)
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self.playback.volume_label = gui.Label("Volume:")
self.playback.volume_slider = gui.Slider(100, 0, 100, 1)
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self.playback.volume_slider.set_oninput_listener(self.change_volume)
self.playback.seek_slider = gui.Slider(0, 0, 100, 1)
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self.playback.seek_slider.set_oninput_listener(self.change_seek)
self.playback.timestamp = gui.Label("--:-- - --:--")
#playlist
self.playlist = Namespace()
self.playlist.table = gui.Table()
self.playlist.table.append_from_list([['#', 'Name', "length", "", "", ""]], fill_title=True)
self.playlist.shuffle = gui.Button("SHUFFLE")
self.playlist.shuffle.set_on_click_listener(self.on_playlist_clear_shuffle)
self.playlist.clear = gui.Button("CLEAR")
self.playlist.clear.set_on_click_listener(self.on_playlist_clear_click)
#input
self.input = Namespace()
self.input.add_song = gui.Label("Add song:")
self.input.field = gui.TextInput(single_line=True)
self.input.field.set_on_enter_listener(self.input_submit)
self.input.submit = gui.Button("Submit!")
self.input.submit.set_on_click_listener(self.input_submit)
def make_gui_container(self):#placement and styling
# Logo image:
self.logo_image.width = WIDTH
for i in (self.playback.previous, self.playback.play, self.playback.next):
i.style["margin"] = "3px"
i.style["width"] = "2.8em"
# Playback:
self.playback.play.style["background"] \
= f"linear-gradient(40deg,{COLOR_BLUE},{COLOR_PURPLE})"
self.playback.volume_label.style["font-size"] = "0.8em"
self.playback.volume_slider.style["width"] = "150px"
self.playback.volume_slider.style["margin-left"] = "20px"
self.playback.volume_slider.style["margin-bottom"] = "13px"
self.playback.seek_slider.set_size("85%", "20px")
self.playback.seek_slider.style["margin"] = "10px"
# Playlist:
self.playlist.table.style["width"] = "100%"
self.playlist.table.style["margin"] = "10px"
title_row = self.playlist.table.get_child("title")
title_row.get_child(title_row._render_children_list[1]) \
.style["width"] = "100%"
self.playlist.clear.style["background"] \
= f"linear-gradient(40deg,{COLOR_RED},{COLOR_ORANGE})"
self.playlist.shuffle.style["background"] \
= f"linear-gradient(40deg,{COLOR_TEAL},{COLOR_GREEN})"
for i in (self.playlist.shuffle, self.playlist.clear):
i.style["height"] = "1.8em"
i.style["font-size"] = "0.8em"
i.style["margin-left"] = "0.25em"
i.style["margin-right"] = "0.25em"
# Input field:
self.input.field.style["height"] = "20px"
self.input.field.style["margin"] = "5px"
self.input.field.style["border"] = "1px solid %s" % COLOR_BLUE
self.input.field.style["box-shadow"] = "0px 0px 5px 0px %s" % COLOR_BLUE_SHADOW
self.input.submit.style["margin"] = "5px"
# Containers:
container = gui.VBox(width=WIDTH)
container.style.update({"margin-left": "auto", "margin-right":"auto"})
container.append(self.logo_image)
container.append(self.playback.playing)
playback_container = gui.HBox()
playback_container.append(self.playback.previous)
playback_container.append(self.playback.play)
playback_container.append(self.playback.next)
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volume_container = gui.VBox()
volume_container.append(self.playback.volume_label)
volume_container.append(self.playback.volume_slider)
playback_container.append(volume_container)
container.append(playback_container)
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container.append(self.playback.seek_slider)
container.append(self.playback.timestamp)
container.append(self.playlist.table)
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playlist_button_container = gui.HBox()
playlist_button_container.append(self.playlist.shuffle)
playlist_button_container.append(self.playlist.clear)
playlist_button_container.style["margin-left"] = "auto"
playlist_button_container.style["margin-right"] = "0.25em"
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container.append(playlist_button_container)
container.append(self.input.add_song)
input_container = gui.HBox(width="100%")
input_container.append(self.input.field)
input_container.append(self.input.submit)
container.append(input_container)
return container
def main(self):
self.make_gui_elements()
container = self.make_gui_container()
self.mainLoop()
return container
def mainLoop(self):
self.playback_update()
self.volume_update()
self.playlist_update()
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Timer(1, self.mainLoop).start()
# events:
@call_as_thread
def playback_previous(self, widget):
api.playlist_previous()
@call_as_thread
def playback_play(self, widget):# toggle playblack
if api.is_playing():
api.set_playing(False)
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self.set_playing(False)
else:
api.set_playing(True)
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self.set_playing(True)
@call_as_thread
def playback_next(self, widget):
api.playlist_next()
@call_as_thread
def input_submit(self, widget, value=None):
if value is None:
value = self.input.field.get_text()
self.input.field.set_text("")
self.input.field.set_enabled(False)
self.input.submit.set_enabled(False)
try:
#data = get_youtube_metadata(value)
data = None
finally:
self.input.field.set_enabled(True)
self.input.submit.set_enabled(True)
api.load_path(value, data)
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@call_as_thread
def change_seek(self, widget, value):
api.seek_percent(value)
@call_as_thread
def change_volume(self, widget, value):
api.set_volume(value)
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@call_as_thread
def on_table_row_click(self, row_widget, playlist_item):
print("row", playlist_item)
@call_as_thread
def on_table_item_move_click(self, row_widget, playlist_item, down = True):
index = playlist_item["index"]
dest = index + 2 if down else index-1
api.playlist_move(index, dest)
@call_as_thread
def on_table_item_remove_click(self, row_widget, playlist_item):
api.playlist_remove(playlist_item["index"])
@call_as_thread
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def on_playlist_clear_shuffle(self, row_widget):
api.playlist_shuffle()
@call_as_thread
def on_playlist_clear_click(self, row_widget):
api.playlist_clear()
# gui updaters:
@call_as_thread
def playback_update(self):
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is_playing = api.is_playing()
self.set_playing(is_playing)
if is_playing: # update seekbar and timestamp
try:
playback_pos = api.get_playback_pos()
except api.APIError:
playback_pos = None
if playback_pos:
slider_pos = playback_pos["current"] / playback_pos["total"] * 100
current = seconds_to_timestamp(playback_pos["current"])
total = seconds_to_timestamp(playback_pos["total"])
if self.playback.seek_slider.get_value() != slider_pos:
self.playback.seek_slider.set_value(slider_pos)
self.playback.timestamp.set_text(f"{current} - {total}")
else:
self.playback.timestamp.set_text("--:-- - --:--")
@call_as_thread
def volume_update(self):
volume = api.get_volume()
if volume > 100:
volume = 100
if self.playback.volume_slider.get_value() != volume:
self.playback.volume_slider.set_value(volume)
@call_as_thread
def playlist_update(self):
playlist = api.get_playlist() # json structure
N = len(playlist)
# update playlist table content:
table = []
for playlist_item in playlist:
name = playlist_item["filename"]
length = None
if "data" in playlist_item:
name = playlist_item["data"].get("title", name)
length = playlist_item["data"].get("duration", length)
table.append([
playlist_item["index"],
name,
seconds_to_timestamp(length) if length else "--:--",
ICON_UP,
ICON_DOWN,
ICON_TRASH,
])
self.playlist.table.empty(keep_title=True)
self.playlist.table.append_from_list(table)
# styling the new table:
# for each row element:
for row_key, playlist_item in zip(self.playlist.table._render_children_list[1:], playlist):
row_widget = self.playlist.table.get_child(row_key)
row_widget.set_on_click_listener(self.on_table_row_click, playlist_item)
if playlist_item.get("current", False):
self.playback.previous.set_enabled(playlist_item.get("index") != 0)
self.playback.next.set_enabled(playlist_item.get("index") != N-1)
row_widget.style["background-color"] = COLOR_LIGHT_BLUE
else:
row_widget.style["color"] = COLOR_GRAY_DARK
# for each item element in this row:
for item_index, item_key in enumerate(row_widget._render_children_list):
item_widget = row_widget.get_child(item_key)
if item_index == 1 and "failed" in playlist_item.get("data", {}):
item_widget.style["width"] = "1.1em"
item_widget.style["color"] = COLOR_RED
if item_index >= 3:
item_widget.style["width"] = "1.1em"
item_widget.style["color"] = COLOR_TEAL
if item_index == 3:
item_widget.set_on_click_listener(self.on_table_item_move_click, playlist_item, False)
if playlist_item["index"] == 0:
item_widget.style["color"] = COLOR_GRAY_LIGHT
if item_index == 4:
item_widget.set_on_click_listener(self.on_table_item_move_click, playlist_item, True)
if playlist_item["index"] == N-1:
item_widget.style["color"] = COLOR_GRAY_LIGHT
if item_index == 5:
item_widget.style["color"] = COLOR_RED
item_widget.set_on_click_listener(self.on_table_item_remove_click, playlist_item)
#print(index, key, item_widget)
def set_playing(self, is_playing:bool): # Updates GUI elements
self.playback.play.set_text(ICON_PAUSE if is_playing else ICON_PLAY)
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self.playback.seek_slider.set_enabled(is_playing)