class Card(QDialog):
def __init__(self, title, instructions, questions, answers, parent=None):
super().__init__(parent)
self.questions = questions
self.answers = answers
self.index = 0
self.mode = POSING_QUESTION
self.button_labels = ['答え', '次の質問']
self.last_question = len(self.questions) - 1
self.setWindowTitle('日本語の練習')
self.title = Title(title, self)
self.instructions = Instructions(instructions, self)
self.playfield = Playfield(self.questions[self.index],
self.answers[self.index], self)
self.playfield.hide_answer()
self.controls = Controls(self, self.button_labels[self.mode],
self.move_forward, self.quit_me)
self.layout = QVBoxLayout()
self.set_layout()
def set_layout(self):
self.layout.takeAt(0)
self.layout.setAlignment(Qt.AlignCenter)
self.layout.addWidget(self.title)
self.layout.addWidget(self.instructions)
self.layout.addWidget(self.playfield)
self.layout.addWidget(self.controls)
self.setLayout(self.layout)
@Slot()
def move_forward(self):
if self.mode == POSING_QUESTION:
self.mode = SHOWING_ANSWER
self.show_answer()
else:
self.mode = POSING_QUESTION
self.pose_next_question()
def pose_next_question(self):
self.index += 1
self.playfield.setParent(None)
self.playfield = Playfield(self.questions[self.index],
self.answers[self.index], self)
self.playfield.hide_answer()
self.controls.set_button(self.button_labels[self.mode])
self.set_layout()
def show_answer(self):
self.playfield.show_answer()
if self.index < self.last_question:
self.controls.set_button(self.button_labels[self.mode])
else:
self.controls.hide_button()
@Slot()
def quit_me(self):
QCoreApplication.instance().quit()
class OrderableListItem(QWidget, Subscribable):
"""Available subscription types"""
DELETED = 1
UPDATED = 2
"""Registered subscription callbacks"""
_subscriptions: dict[int, list[callable]]
"""The widgets layout"""
_layout: QLayout
"""The items id"""
id = 0
def __init__(self):
# Init QWidget
super().__init__()
# Init Subscribable
Subscribable.__init__(
self, (OrderableListItem.DELETED, OrderableListItem.UPDATED))
self._layout = QVBoxLayout()
self.setLayout(self._layout)
# Set and increase id
self.id = OrderableListItem.id
OrderableListItem.id += 1
def delete(self):
"""Delete this item"""
# Perform deletion subscriptions
self._trigger_subscriptions(OrderableListItem.DELETED, item=self)
# Delete all children
while self._layout.count():
child: QLayoutItem = self._layout.takeAt(0)
child_widget: QWidget = child.widget()
child_widget.deleteLater()
# Delete the item itself
self.deleteLater()
@abstractmethod
def get_order_string(self):
"""Get the string that this item can be ordered by
:returns str: The string to order this item by"""
return ""
class ResultsList(QScrollArea):
def __init__(self, parent=None):
# List View of results
# Only Title Search and Playlist Search use this
QScrollArea.__init__(self)
self.setParent(parent)
# Make QScrollArea transparent
self.setStyleSheet(
"QScrollArea { background-color: transparent } .QFrame { background-color: transparent }"
)
self.setWidgetResizable(True)
self.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
# Add touch screen control to QScrollArea
QScroller.grabGesture(self, QScroller.LeftMouseButtonGesture)
# Set layout settings of the QScrollArea
self.layout = QVBoxLayout()
self.layout.setContentsMargins(0, 0, 0, 0)
self.layout.setSpacing(0)
# A separate QWidget is needed to properly use QScrollArea
frame = QFrame()
frame.setLayout(self.layout)
self.setWidget(frame)
def clearResults(self):
# Clear the results in the list
while self.layout.count():
item = self.layout.takeAt(0)
if item.widget() is not None:
item.widget().deleteLater()
def addResults(self, results):
# Add the results to the list
# results (list): list of python dict representing results details (playlist or song search)
self.results = results
self.clearResults()
if results:
for i in self.results:
item = self.ResultsListItem(i, self)
self.layout.addWidget(item)
self.layout.addStretch(1)
else:
# If the results are empty, display no result
label = QLabel("没有结果/No Result")
label.setStyleSheet("color: white")
label.setAlignment(Qt.AlignCenter)
font = QFont()
font.setPointSize(35)
label.setFont(font)
self.layout.addWidget(label)
class ResultsListItem(QToolButton):
def __init__(self, result, parent=None):
# An item of ResultsList
# result: (dict) represents details (playlist or song search)
QToolButton.__init__(self)
self.setParent(parent)
self.result = result
# Button formatting
self.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
self.setFixedHeight(70)
self.setAutoRaise(True)
# TODO: change with global themes
self.setStyleSheet(
"QToolButton:pressed { background-color: rgba(255, 255, 255, 0.1)} QToolButton { background-color: rgba(255, 255, 255, 0.05); border: 1px solid white}"
)
# Set layout
self.layout = QHBoxLayout()
self.layout.setContentsMargins(0, 0, 0, 0)
self.layout.setSpacing(0)
# Depending on result type, add action when the item is clicked
if result["type"] == "songs":
self.formatTitle()
self.clicked.connect(self.clickedSong)
elif result["type"] == "playlists":
self.formatPlaylist()
self.clicked.connect(self.clickedPlaylist)
self.setLayout(self.layout)
def formatTitle(self):
# Format the title for the ResultsList
# Add space to the beginning of the ResultsListItem
labelQueue = self.formattedLabel(QLabel("", self))
labelQueue.setFixedWidth(70)
labelQueue.setAlignment(Qt.AlignCenter)
self.layout.addWidget(labelQueue)
# Artist name
labelArtist = self.formattedLabel(
QLabel(self.result["artist_name"]))
labelArtist.setFixedWidth(300)
self.layout.addWidget(labelArtist)
# Song title
labelTitle = self.formattedLabel(
QLabel(self.result["song_title"]))
self.layout.addWidget(labelTitle)
# Add buttons for favourites and playlists
# Favourite button
self.favouriteButton = QToolButton()
# Toggle Favourite Icon depending on DB
if self.result["favourited"] == 0:
self.favouriteButton.isFavourited = False
self.favouriteButton.setIcon(QIcon("icons/star.svg"))
else:
self.favouriteButton.isFavourited = True
self.favouriteButton.setIcon(
QIcon("icons/star-yellow.svg"))
self.favouriteButton.setIconSize(QSize(30, 30))
self.favouriteButton.setFixedSize(70, 70)
self.favouriteButton.clicked.connect(self.clickedFavourite)
self.layout.addWidget(self.favouriteButton)
# Playlist button
playlistButton = QToolButton()
playlistButton.setIcon(QIcon("icons/music-player-2.svg"))
playlistButton.setIconSize(QSize(30, 30))
playlistButton.setFixedSize(70, 70)
playlistButton.clicked.connect(self.addToPlaylist)
self.layout.addWidget(playlistButton)
def formatPlaylist(self):
# Add space to beginning of LisItem
labelQueue = self.formattedLabel(QLabel("", self))
labelQueue.setFixedWidth(70)
labelQueue.setAlignment(Qt.AlignCenter)
self.layout.addWidget(labelQueue)
# Playlist name
labelPlaylist = self.formattedLabel(
QLabel(self.result["playlist_name"]))
self.layout.addWidget(labelPlaylist)
# Remove playlist button
btnRemove = QToolButton()
btnRemove.setText("X")
btnRemove.setFixedSize(70, 70)
btnRemove.setStyleSheet("color: white")
btnRemove.clicked.connect(self.removePlaylist)
self.layout.addWidget(btnRemove)
def formattedLabel(self, label):
# Format a label
font = QFont()
font.setPixelSize(25)
# TODO: change with global themes
label.setStyleSheet("color: white")
label.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
label.setFont(font)
return label
def clickedSong(self):
# Called when a song is clicked on
# Add to queue
self.window().songQueue.addSong(self.result)
if len(self.window().songQueue.getQueue()) < 2:
if not self.window().mediaPlayer.currentSong:
# If this is the first song to queue, signal media player to start it
self.window().mediaPlayer.skipSong()
# Update scrolling text marquee
self.window().mediaPlayer.updateMarquee()
def clickedPlaylist(self):
# Called when a playlist is clicked on
self.window().content.addWidget(
WindowSearch(
"搜索全部/Search", self,
self.window().content.currentWidget().counter + 1,
self.result))
self.window().content.setCurrentIndex(
self.window().content.currentWidget().counter + 1)
def clickedFavourite(self):
# Toggle Icon and DB state of song being favourited
# For songs only
if self.favouriteButton.isFavourited:
self.favouriteButton.isFavourited = False
self.favouriteButton.setIcon(QIcon("icons/star.svg"))
else:
self.favouriteButton.isFavourited = True
self.favouriteButton.setIcon(
QIcon("icons/star-yellow.svg"))
DB.setFavouriteSong(self.result["song_id"])
def addToPlaylist(self):
# Opens a popup for adding songs to playlists
popup = PlaylistPopup(self.result, self.window())
popup.resize(1366, 768)
popup.SIGNALS.CLOSE.connect(lambda: popup.close())
popup.show()
def removePlaylist(self):
# Remove a playlist
DB.removePlaylist(self.result["playlist_id"])
self.window().content.currentWidget().results.results.remove(
self.result)
self.window().content.currentWidget().results.addResults(
self.window().content.currentWidget().results.results)
class Card(QMainWindow):
def __init__(self, title, instructions, questions, answers, parent=None):
super().__init__(parent)
self.questions = questions
self.answers = answers
self.index = 0
self.mode = POSING_QUESTION
self.button_labels = ['答え', '次の質問']
self.last_question = len(self.questions) - 1
self.setWindowTitle('日本語の練習')
self.title = Title(title, self)
self.instructions = Instructions(instructions, self)
self.playfield = Playfield(self.questions[self.index],
self.answers[self.index], self)
self.controls = Controls(self, self.button_labels[self.mode],
self.move_forward, self.quit_me)
self.statusbar = self.statusBar()
# Layout and hide the initial answer
self.layout = QVBoxLayout()
self.central_widget = QWidget()
self.playfield.hide_answer()
self.set_layout()
self.setCentralWidget(self.central_widget)
self.card_count = QLabel(f"{self.get_card_count()} cards")
self.statusbar.addPermanentWidget(self.card_count)
def set_layout(self):
self.layout.takeAt(0)
self.layout.setAlignment(Qt.AlignCenter)
self.layout.addWidget(self.title)
self.layout.addWidget(self.instructions)
self.layout.addWidget(self.playfield)
self.layout.addWidget(self.controls)
self.central_widget.setLayout(self.layout)
def update_statusbar(self):
self.card_count.setText(f"{self.get_card_count()} cards")
@Slot()
def move_forward(self):
if self.mode == POSING_QUESTION:
self.mode = SHOWING_ANSWER
self.show_answer()
else:
self.mode = POSING_QUESTION
self.pose_next_question()
def pose_next_question(self):
self.index += 1
self.playfield.setParent(None)
self.playfield = Playfield(self.questions[self.index],
self.answers[self.index], self)
self.playfield.hide_answer()
self.controls.set_button(self.button_labels[self.mode])
self.set_layout()
self.update_statusbar()
def show_answer(self):
self.playfield.show_answer()
if self.index < self.last_question:
self.controls.set_button(self.button_labels[self.mode])
else:
self.controls.hide_button()
@Slot()
def quit_me(self):
QCoreApplication.instance().quit()
def get_card_count(self):
return f"{self.index + 1}/{self.last_question + 1}"
class QueueList(QScrollArea):
def __init__(self, parent=None):
QScrollArea.__init__(self)
self.setParent(parent)
# Make QScrollArea transparent
self.setStyleSheet(
"QScrollArea { background-color: transparent } .QFrame { background-color: transparent }"
)
self.setWidgetResizable(True)
self.setVerticalScrollBarPolicy(QtCore.Qt.ScrollBarAlwaysOff)
# Add Touch Gestures to menu.
QScroller.grabGesture(self, QScroller.LeftMouseButtonGesture)
# Set layout settings
self.layout = QVBoxLayout()
self.layout.setContentsMargins(0, 0, 0, 0)
self.layout.setSpacing(0)
# A singular widget frame is needed to set the scroll area properly.
frame = QFrame()
frame.setLayout(self.layout)
self.setWidget(frame)
self.updateQueue()
class QueueListItem(QToolButton):
def __init__(self, song, parent=None):
QToolButton.__init__(self)
self.setParent(parent)
self.song = song
# Button formatting
self.setSizePolicy(QSizePolicy.Minimum, QSizePolicy.Fixed)
self.setFixedHeight(70)
self.setAutoRaise(True)
# TODO: change with global themes
self.setStyleSheet(
"QToolButton:pressed { background-color: rgba(255, 255, 255, 0.1)} QToolButton { background-color: rgba(255, 255, 255, 0.05); border: 1px solid white}"
)
# Set layout
self.layout = QHBoxLayout()
self.layout.setContentsMargins(0, 0, 0, 0)
self.layout.setSpacing(0)
self.createItem()
self.setLayout(self.layout)
def createItem(self):
# Create a song item
# Add Space to the beginning of the item
labelQueue = self.formattedLabel(QLabel("", self))
labelQueue.setFixedWidth(70)
labelQueue.setAlignment(Qt.AlignCenter)
self.layout.addWidget(labelQueue)
# Artist name
labelArtist = self.formattedLabel(
QLabel(self.song["artist_name"]))
labelArtist.setFixedWidth(300)
self.layout.addWidget(labelArtist)
# Song Title
labelTitle = self.formattedLabel(
QLabel(self.song["song_title"]))
self.layout.addWidget(labelTitle)
# Set font (icon) size
font = QFont()
font.setPointSize(48)
# Add buttons for queue-specific actions
# Move the song up the queue
btnMoveUp = QToolButton()
btnMoveUp.setText("▲")
btnMoveUp.setFixedSize(70, 70)
btnMoveUp.setStyleSheet("color: white")
btnMoveUp.setFont(font)
btnMoveUp.clicked.connect(self.moveUp)
self.layout.addWidget(btnMoveUp)
# Move the song down the queue
btnMoveDown = QToolButton()
btnMoveDown.setText("▼")
btnMoveDown.setFixedSize(70, 70)
btnMoveDown.setStyleSheet("color: white")
btnMoveDown.setFont(font)
btnMoveDown.clicked.connect(self.moveDown)
self.layout.addWidget(btnMoveDown)
# Move the song to the top of the queue
btnMoveTop = QToolButton()
btnMoveTop.setText("⍏")
btnMoveTop.setFixedSize(70, 70)
btnMoveTop.setStyleSheet("color: white")
btnMoveTop.setFont(font)
btnMoveTop.clicked.connect(self.moveTop)
self.layout.addWidget(btnMoveTop)
# Play the song immediately
btnPlay = QToolButton()
btnPlay.setText("➤")
btnPlay.setFixedSize(70, 70)
btnPlay.setStyleSheet("color: white")
btnPlay.setFont(font)
btnPlay.clicked.connect(self.playSong)
self.layout.addWidget(btnPlay)
# Remove the song from the queue
btnRemove = QToolButton()
btnRemove.setText("X")
btnRemove.setFixedSize(70, 70)
btnRemove.setStyleSheet("color: white")
btnRemove.setFont(font)
btnRemove.clicked.connect(self.removeSong)
self.layout.addWidget(btnRemove)
def formattedLabel(self, label):
font = QFont()
font.setPixelSize(25)
# TODO: change with global themes
label.setStyleSheet("color: white")
label.setSizePolicy(QSizePolicy.Expanding,
QSizePolicy.Expanding)
label.setFont(font)
return label
def moveUp(self):
# Move the song up the queue
self.window().songQueue.moveUp(self.song)
self.window().content.queueList.updateQueue()
def moveDown(self):
# Move the song down the queue
self.window().songQueue.moveDown(self.song)
self.window().content.queueList.updateQueue()
def moveTop(self):
# Move the song to the top of the queue
self.window().songQueue.moveTop(self.song)
self.window().content.queueList.updateQueue()
def playSong(self):
# Play the song immediately
self.window().songQueue.moveTop(self.song)
self.window().overlayBottom.buttonAction("next")
self.window().content.queueList.updateQueue()
def removeSong(self):
# Remove the song from the queue
self.window().songQueue.removeSong(self.song)
self.window().content.queueList.updateQueue()
if len(self.window().mediaPlayer.songQueue.getQueue()) == 0:
self.window().mediaPlayer.updateMarquee()
def updateQueue(self):
# "Refresh" the queue visually
while self.layout.count():
item = self.layout.takeAt(0)
if item.widget() is not None:
item.widget().deleteLater()
for i in self.window().songQueue.getQueue():
item = self.QueueListItem(i, self)
self.layout.addWidget(item)
if self.window().songQueue.getQueue():
self.layout.addStretch(1)
else:
label = QLabel("没有结果/No Result")
label.setStyleSheet("color: white")
label.setAlignment(Qt.AlignCenter)
font = QFont()
font.setPointSize(35)
label.setFont(font)
self.layout.addWidget(label)
