class WigglyWidget(QWidget):
    def __init__(self, parent=None):
        super(WigglyWidget, self).__init__(parent)
        self.step = 0
        self.text = ""
        self.setBackgroundRole(QPalette.Midlight)
        self.setAutoFillBackground(True)

        newFont = self.font()
        newFont.setPointSize(newFont.pointSize() + 20)
        self.setFont(newFont)

        self.timer = QBasicTimer()
        self.timer.start(60, self)

    def paintEvent(self, event):
        sineTable = [
            0, 38, 71, 92, 100, 92, 71, 38, 0, -38, -71, -92, -100, -92, -71,
            -38
        ]

        metrics = QFontMetrics(self.font())
        x = (self.width() - metrics.horizontalAdvance(self.text)) / 2
        y = (self.height() + metrics.ascent() - metrics.descent()) / 2
        color = QColor()

        painter = QPainter(self)
        for i in range(len(self.text)):
            index = (self.step + i) % 16
            color.setHsv((15 - index) * 16, 255, 191)
            painter.setPen(color)
            painter.drawText(x,
                             y - ((sineTable[index] * metrics.height()) / 400),
                             str(self.text[i]))
            x += metrics.horizontalAdvance(self.text[i])

    def timerEvent(self, event):
        if event.timerId() == self.timer.timerId():
            self.step += 1
            self.update()
        else:
            QWidget.timerEvent(event)

    def setText(self, text):
        self.text = text
class gui(QMainWindow):
    def __init__(self):
        QMainWindow.__init__(self)
        self.setGeometry(300, 300, 300, 300)
        self.setFixedSize(300, 300)
        self.setWindowTitle('libmapper device gui example')
        blurb = QLabel(
            'These sliders will be dynamically labeled with the name of destination signals to which they are connected.',
            self)
        blurb.setGeometry(5, 0, 290, 50)
        blurb.setWordWrap(True)

        self.labels = []
        self.sliders = []
        for i in range(numsliders):
            self.sliders.append(QSlider(Qt.Orientation.Horizontal, self))
            self.sliders[i].setRange(0, 100)
            self.sliders[i].setGeometry(5, 100 + i * 75, 290, 20)
            self.labels.append(QLabel('slider%i' % i, self))
            self.labels[i].setGeometry(5, 75 + i * 75, 290, 15)

        self.sliders[0].valueChanged.connect(
            lambda x: sigs[0].set_value(x * 0.01))
        self.sliders[1].valueChanged.connect(
            lambda x: sigs[1].set_value(x * 0.01))
        self.sliders[2].valueChanged.connect(
            lambda x: sigs[2].set_value(x * 0.01))

        self.timer = QBasicTimer()
        self.timer.start(10, self)

    def setLabel(self, index, label):
        if index < 0 or index > numsliders:
            return
        self.labels[index].setText(label)

    def timerEvent(self, event):
        if event.timerId() == self.timer.timerId():
            dev.poll()

        else:
            QtGui.QFrame.timerEvent(self, event)
class Board(QFrame):

    msg2Statusbar = Signal(str)

    BoardWidth = 10
    BoardHeight = 22
    Speed = 300

    def __init__(self, parent):
        super().__init__(parent)

        self.initBoard()

    def initBoard(self):
        '''initiates board'''

        self.timer = QBasicTimer()
        self.isWaitingAfterLine = False

        self.curX = 0
        self.curY = 0
        self.numLinesRemoved = 0
        self.board = []

        self.setFocusPolicy(Qt.StrongFocus)
        self.isStarted = False
        self.isPaused = False
        self.clearBoard()

    def shapeAt(self, x, y):
        '''determines shape at the board position'''

        return self.board[(y * Board.BoardWidth) + x]

    def setShapeAt(self, x, y, shape):
        '''sets a shape at the board'''

        self.board[(y * Board.BoardWidth) + x] = shape

    def squareWidth(self):
        '''returns the width of one square'''

        return self.contentsRect().width() // Board.BoardWidth

    def squareHeight(self):
        '''returns the height of one square'''

        return self.contentsRect().height() // Board.BoardHeight

    def start(self):
        '''starts game'''

        if self.isPaused:
            return

        self.isStarted = True
        self.isWaitingAfterLine = False
        self.numLinesRemoved = 0
        self.clearBoard()

        self.msg2Statusbar.emit(str(self.numLinesRemoved))

        self.newPiece()
        self.timer.start(Board.Speed, self)

    def pause(self):
        '''pauses game'''

        if not self.isStarted:
            return

        self.isPaused = not self.isPaused

        if self.isPaused:
            self.timer.stop()
            self.msg2Statusbar.emit("paused")

        else:
            self.timer.start(Board.Speed, self)
            self.msg2Statusbar.emit(str(self.numLinesRemoved))

        self.update()

    def paintEvent(self, event):
        '''paints all shapes of the game'''

        painter = QPainter(self)
        rect = self.contentsRect()

        boardTop = rect.bottom() - Board.BoardHeight * self.squareHeight()

        for i in range(Board.BoardHeight):
            for j in range(Board.BoardWidth):
                shape = self.shapeAt(j, Board.BoardHeight - i - 1)

                if shape != Tetrominoe.NoShape:
                    self.drawSquare(painter,
                                    rect.left() + j * self.squareWidth(),
                                    boardTop + i * self.squareHeight(), shape)

        if self.curPiece.shape() != Tetrominoe.NoShape:

            for i in range(4):

                x = self.curX + self.curPiece.x(i)
                y = self.curY - self.curPiece.y(i)
                self.drawSquare(
                    painter,
                    rect.left() + x * self.squareWidth(), boardTop +
                    (Board.BoardHeight - y - 1) * self.squareHeight(),
                    self.curPiece.shape())

    def keyPressEvent(self, event):
        '''processes key press events'''

        if not self.isStarted or self.curPiece.shape() == Tetrominoe.NoShape:
            super(Board, self).keyPressEvent(event)
            return

        key = event.key()

        if key == Qt.Key_P:
            self.pause()
            return

        if self.isPaused:
            return

        elif key == Qt.Key_Left:
            self.tryMove(self.curPiece, self.curX - 1, self.curY)

        elif key == Qt.Key_Right:
            self.tryMove(self.curPiece, self.curX + 1, self.curY)

        elif key == Qt.Key_Down:
            self.tryMove(self.curPiece.rotateRight(), self.curX, self.curY)

        elif key == Qt.Key_Up:
            self.tryMove(self.curPiece.rotateLeft(), self.curX, self.curY)

        elif key == Qt.Key_Space:
            self.dropDown()

        elif key == Qt.Key_D:
            self.oneLineDown()

        else:
            super(Board, self).keyPressEvent(event)

    def timerEvent(self, event):
        '''handles timer event'''

        if event.timerId() == self.timer.timerId():

            if self.isWaitingAfterLine:
                self.isWaitingAfterLine = False
                self.newPiece()
            else:
                self.oneLineDown()

        else:
            super(Board, self).timerEvent(event)

    def clearBoard(self):
        '''clears shapes from the board'''

        for i in range(Board.BoardHeight * Board.BoardWidth):
            self.board.append(Tetrominoe.NoShape)

    def dropDown(self):
        '''drops down a shape'''

        newY = self.curY

        while newY > 0:

            if not self.tryMove(self.curPiece, self.curX, newY - 1):
                break

            newY -= 1

        self.pieceDropped()

    def oneLineDown(self):
        '''goes one line down with a shape'''

        if not self.tryMove(self.curPiece, self.curX, self.curY - 1):
            self.pieceDropped()

    def pieceDropped(self):
        '''after dropping shape, remove full lines and create new shape'''

        for i in range(4):

            x = self.curX + self.curPiece.x(i)
            y = self.curY - self.curPiece.y(i)
            self.setShapeAt(x, y, self.curPiece.shape())

        self.removeFullLines()

        if not self.isWaitingAfterLine:
            self.newPiece()

    def removeFullLines(self):
        '''removes all full lines from the board'''

        numFullLines = 0
        rowsToRemove = []

        for i in range(Board.BoardHeight):

            n = 0
            for j in range(Board.BoardWidth):
                if not self.shapeAt(j, i) == Tetrominoe.NoShape:
                    n = n + 1

            if n == 10:
                rowsToRemove.append(i)

        rowsToRemove.reverse()

        for m in rowsToRemove:

            for k in range(m, Board.BoardHeight):
                for l in range(Board.BoardWidth):
                    self.setShapeAt(l, k, self.shapeAt(l, k + 1))

        numFullLines = numFullLines + len(rowsToRemove)

        if numFullLines > 0:

            self.numLinesRemoved = self.numLinesRemoved + numFullLines
            self.msg2Statusbar.emit(str(self.numLinesRemoved))

            self.isWaitingAfterLine = True
            self.curPiece.setShape(Tetrominoe.NoShape)
            self.update()

    def newPiece(self):
        '''creates a new shape'''

        self.curPiece = Shape()
        self.curPiece.setRandomShape()
        self.curX = Board.BoardWidth // 2 + 1
        self.curY = Board.BoardHeight - 1 + self.curPiece.minY()

        if not self.tryMove(self.curPiece, self.curX, self.curY):

            self.curPiece.setShape(Tetrominoe.NoShape)
            self.timer.stop()
            self.isStarted = False
            self.msg2Statusbar.emit("Game over")

    def tryMove(self, newPiece, newX, newY):
        '''tries to move a shape'''

        for i in range(4):

            x = newX + newPiece.x(i)
            y = newY - newPiece.y(i)

            if x < 0 or x >= Board.BoardWidth or y < 0 or y >= Board.BoardHeight:
                return False

            if self.shapeAt(x, y) != Tetrominoe.NoShape:
                return False

        self.curPiece = newPiece
        self.curX = newX
        self.curY = newY
        self.update()

        return True

    def drawSquare(self, painter, x, y, shape):
        '''draws a square of a shape'''

        colorTable = [
            0x000000, 0xCC6666, 0x66CC66, 0x6666CC, 0xCCCC66, 0xCC66CC,
            0x66CCCC, 0xDAAA00
        ]

        color = QColor(colorTable[shape])
        painter.fillRect(x + 1, y + 1,
                         self.squareWidth() - 2,
                         self.squareHeight() - 2, color)

        painter.setPen(color.lighter())
        painter.drawLine(x, y + self.squareHeight() - 1, x, y)
        painter.drawLine(x, y, x + self.squareWidth() - 1, y)

        painter.setPen(color.darker())
        painter.drawLine(x + 1, y + self.squareHeight() - 1,
                         x + self.squareWidth() - 1,
                         y + self.squareHeight() - 1)
        painter.drawLine(x + self.squareWidth() - 1,
                         y + self.squareHeight() - 1,
                         x + self.squareWidth() - 1, y + 1)