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)
