class BoardView(QWidget):
def __init__(self, svg_board, **kwargs):
super().__init__(**kwargs)
self.svgWidget = QSvgWidget()
layout = EvenLayout(self)
layout.addWidget(self.svgWidget, 0, 0)
self.press_pos = None
self.refresh(svg_board)
def refresh(self, svg_board):
data = createQByteArray(svg_board)
self.svgWidget.load(data)
def mousePressEvent(self, event):
self.press_pos = self.calculate_board_position(event)
def mouseReleaseEvent(self, event):
if self.press_pos:
release_pos = self.calculate_board_position(event)
if release_pos:
piece = self.parent().game.get_piece_at_pos(self.press_pos)
move = self.press_pos + release_pos
if ((piece == 'P' and release_pos[1] == '8'
and self.press_pos[1] == '7'
and self.parent().game.board.turn)
or (piece == 'p' and release_pos[1] == '1'
and self.press_pos[1] == '2'
and not self.parent().game.board.turn)):
# Promotion
# TODO: player input - await, asyncio
move += 'q'
elif self.press_pos == release_pos:
move = '0000' # uci null move
self.parent().execute_game_command(move)
def mouseMoveEvent(self, event):
# TODO: Implement drag piece-icon
pass
# Returns a tuple with the board position as uci and the piece at that position,
# or None.
def calculate_board_position(self, event):
margin = self.svgWidget.size() * 0.05 + QSize(2, 2)
square = (self.svgWidget.size() - 2 * margin) / 8
offset = (self.size() - self.svgWidget.size()) / 2. + margin
x_coordinate = event.pos().x() - offset.width()
y_coordinate = offset.height() + 8 * square.height() - event.pos().y()
x_pos = int(1 + x_coordinate / square.width())
y_pos = int(1 + y_coordinate / square.height())
if (x_pos > 8 or x_pos < 1 or y_pos > 8 or y_pos < 1):
return None
else:
return 'abcdefgh'[x_pos - 1] + str(y_pos)
class SourceWidget(QWidget):
def __init__(self, parent=None):
super(SourceWidget, self).__init__(parent)
self.mimeData = None
imageFile = QFile(':/images/example.svg')
imageFile.open(QIODevice.ReadOnly)
self.imageData = imageFile.readAll()
imageFile.close()
imageArea = QScrollArea()
self.imageLabel = QSvgWidget()
self.imageLabel.renderer().load(self.imageData)
imageArea.setWidget(self.imageLabel)
instructTopLabel = QLabel("This is an SVG drawing:")
instructBottomLabel = QLabel(
"Drag the icon to copy the drawing as a PNG file:")
dragIcon = QPushButton("Export")
dragIcon.setIcon(QIcon(':/images/drag.png'))
dragIcon.pressed.connect(self.startDrag)
layout = QGridLayout()
layout.addWidget(instructTopLabel, 0, 0, 1, 2)
layout.addWidget(imageArea, 1, 0, 2, 2)
layout.addWidget(instructBottomLabel, 3, 0)
layout.addWidget(dragIcon, 3, 1)
self.setLayout(layout)
self.setWindowTitle("Delayed Encoding")
def createData(self, mimeType):
if mimeType != 'image/png':
return
image = QImage(self.imageLabel.size(), QImage.Format_RGB32)
painter = QPainter()
painter.begin(image)
self.imageLabel.renderer().render(painter)
painter.end()
data = QByteArray()
buffer = QBuffer(data)
buffer.open(QIODevice.WriteOnly)
image.save(buffer, 'PNG')
buffer.close()
self.mimeData.setData('image/png', data)
def startDrag(self):
self.mimeData = MimeData()
self.mimeData.dataRequested.connect(self.createData,
Qt.DirectConnection)
drag = QDrag(self)
drag.setMimeData(self.mimeData)
drag.setPixmap(QPixmap(':/images/drag.png'))
drag.exec_(Qt.CopyAction)
class SourceWidget(QWidget):
def __init__(self, parent=None):
super(SourceWidget, self).__init__(parent)
self.mimeData = None
imageFile = QFile(':/images/example.svg')
imageFile.open(QIODevice.ReadOnly)
self.imageData = imageFile.readAll()
imageFile.close()
imageArea = QScrollArea()
self.imageLabel = QSvgWidget()
self.imageLabel.renderer().load(self.imageData)
imageArea.setWidget(self.imageLabel)
instructTopLabel = QLabel("This is an SVG drawing:")
instructBottomLabel = QLabel("Drag the icon to copy the drawing as a PNG file:")
dragIcon = QPushButton("Export")
dragIcon.setIcon(QIcon(':/images/drag.png'))
dragIcon.pressed.connect(self.startDrag)
layout = QGridLayout()
layout.addWidget(instructTopLabel, 0, 0, 1, 2)
layout.addWidget(imageArea, 1, 0, 2, 2)
layout.addWidget(instructBottomLabel, 3, 0)
layout.addWidget(dragIcon, 3, 1)
self.setLayout(layout)
self.setWindowTitle("Delayed Encoding")
def createData(self, mimeType):
if mimeType != 'image/png':
return
image = QImage(self.imageLabel.size(), QImage.Format_RGB32)
painter = QPainter()
painter.begin(image)
self.imageLabel.renderer().render(painter)
painter.end()
data = QByteArray()
buffer = QBuffer(data)
buffer.open(QIODevice.WriteOnly)
image.save(buffer, 'PNG')
buffer.close()
self.mimeData.setData('image/png', data)
def startDrag(self):
self.mimeData = MimeData()
self.mimeData.dataRequested.connect(self.createData, Qt.DirectConnection)
drag = QDrag(self)
drag.setMimeData(self.mimeData)
drag.setPixmap(QPixmap(':/images/drag.png'))
drag.exec_(Qt.CopyAction)
class LEDButton(QPushButton):
# unset
UNSET = -1
# normal
OFF = 0
BLUE = 1
GREEN = 2
RED = 3
YELLOW = 4
# extra
CALF = 5
def __init__(self, parent):
QPushButton.__init__(self, parent)
self.fLastColor = self.UNSET
self.fColor = self.UNSET
self.fImage = QSvgWidget()
self.fImage.load(":/scalable/led_off.svg")
self.fRect = QRectF(self.fImage.rect())
self.setCheckable(True)
self.setText("")
self.setColor(self.BLUE)
def setColor(self, color):
self.fColor = color
if color == self.CALF:
self.fLastColor = self.UNSET
if self._loadImageNowIfNeeded():
if isinstance(self.fImage, QPixmap):
size = self.fImage.width()
else:
size = self.fImage.sizeHint().width()
self.fRect = QRectF(self.fImage.rect())
self.setFixedSize(self.fImage.size())
def paintEvent(self, event):
painter = QPainter(self)
event.accept()
self._loadImageNowIfNeeded()
if isinstance(self.fImage, QPixmap):
size = self.fImage.width()
rect = QRectF(0, 0, size, size)
painter.drawPixmap(rect, self.fImage, rect)
else:
size = self.fImage.sizeHint().width()
rect = QRectF(0, 0, size, size)
self.fImage.renderer().render(painter, rect)
def _loadImageNowIfNeeded(self):
if self.isChecked():
if self.fLastColor == self.fColor:
return
if self.fColor == self.OFF:
img = ":/scalable/led_off.svg"
elif self.fColor == self.BLUE:
img = ":/scalable/led_blue.svg"
elif self.fColor == self.GREEN:
img = ":/scalable/led_green.svg"
elif self.fColor == self.RED:
img = ":/scalable/led_red.svg"
elif self.fColor == self.YELLOW:
img = ":/scalable/led_yellow.svg"
elif self.fColor == self.CALF:
img = ":/bitmaps/led_calf_on.png"
else:
return False
self.fLastColor = self.fColor
elif self.fLastColor != self.OFF:
img = ":/bitmaps/led_calf_off.png" if self.fColor == self.CALF else ":/scalable/led_off.svg"
self.fLastColor = self.OFF
else:
return False
if img.endswith(".png"):
if not isinstance(self.fImage, QPixmap):
self.fImage = QPixmap()
else:
if not isinstance(self.fImage, QSvgWidget):
self.fImage = QSvgWidget()
self.fImage.load(img)
self.update()
return True