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)