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widget.py
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widget.py
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from PyQt5.QtWidgets import QLabel, QPushButton, QWidget, QHBoxLayout, QVBoxLayout, QStackedLayout
from PyQt5.QtSvg import QSvgRenderer
from PyQt5.QtGui import QPixmap, QPainter
from PyQt5.QtCore import Qt
from game import Game, Phase
def renderSvg(renderer, element, width, height):
#print("render {} {}".format(element, (width, height)))
pixmap = QPixmap(width, height)
pixmap.fill(Qt.transparent)
painter = QPainter(pixmap)
renderer.render(painter, element)
painter.end()
return pixmap
def overlayPixmaps(base, overlay, x, y):
painter = QPainter(base)
painter.drawPixmap(x, y, overlay)
painter.end()
class BoardStoneWidget(QLabel):
def __init__(self, point, parent):
super(BoardStoneWidget, self).__init__(parent)
self.setAttribute(Qt.WA_TransparentForMouseEvents)
self.point = point
def getSVGElement(self):
mapping = {0 : None, 1 : "black_stone", 2 : "white_stone",
3 : "black_territory", 4 : "white_territory"}
mappingLast = {1 : "black_stone_last", 2 : "white_stone_last"}
mappingSuicide = {1 : "black_stone_last_suicide",
2 : "white_stone_last_suicide"}
color = self.parent().game.colorAtPoint(self.point)
lastMove = self.parent().game.lastMove()
lastPlayer = 2 if self.parent().game.currentPlayer() == 1 else 1
if lastMove == self.point:
if color == 0:
return mappingSuicide[lastPlayer]
return mappingLast[color]
return mapping[color]
def update(self):
element = self.getSVGElement()
if not element:
self.clear()
return
width, height = self.parent().svgElementSize(element)
x, y = self.parent().pointToXy(self.point)
x -= width / 2
y -= height / 2
pixmap = renderSvg(self.parent().renderer, element, width, height)
self.setPixmap(pixmap)
self.setGeometry(x, y, width, height)
print("updated point {}".format(self.point))
class BoardPlacementIndicatorWidget(QLabel):
def __init__(self, parent):
super(BoardPlacementIndicatorWidget, self).__init__(parent)
self.setAttribute(Qt.WA_TransparentForMouseEvents)
def updatePosition(self, mousePosition):
point = self.parent().xyToPoint(*mousePosition)
if point is None or not self.parent().game.isMoveLegal(point):
self.setVisible(False)
else:
size = (self.size().width(), self.size().height())
position = self.parent().pointToXy(point)
position = (position[0] - size[0] / 2, position[1] - size[1] / 2)
self.setGeometry(*position, *size)
self.setVisible(True)
def update(self):
player = self.parent().game.currentPlayer()
print("updateIndicator {}".format(player))
if player == 1:
size = self.parent().svgElementSize("black_stone_hover")
pixmap = renderSvg(self.parent().renderer, "black_stone_hover", *size)
else:
size = self.parent().svgElementSize("white_stone_hover")
pixmap = renderSvg(self.parent().renderer, "white_stone_hover", *size)
self.setGeometry(self.pos().x(), self.pos().y(), *size)
self.setPixmap(pixmap)
self.setVisible(False)
class BoardWidget(QLabel):
def __init__(self, game, renderer, parent = None):
super(BoardWidget, self).__init__(parent)
self.setMouseTracking(True)
self.game = game
game.boardChanged.connect(self.updateWidgets)
self.renderer = renderer
self.stoneWidgets = [BoardStoneWidget(i, self) for i in range(game.size() * game.size())]
self.indicatorWidget = BoardPlacementIndicatorWidget(self)
self.setMinimumSize(200, 200)
def pointToXy(self, point):
boardSize = self.game.size()
row, col = point // boardSize, point % boardSize
xSpacing = self.gridWidth / (boardSize - 1)
ySpacing = self.gridHeight / (boardSize - 1)
x = self.gridX + col * xSpacing
y = self.gridY + row * ySpacing
return (x, y)
def xyToPoint(self, x, y):
boardSize = self.game.size()
xSpacing = self.gridWidth / (boardSize - 1)
ySpacing = self.gridHeight / (boardSize - 1)
row = round((y - self.gridY) / ySpacing)
col = round((x - self.gridX) / xSpacing)
if row < 0 or row >= boardSize or col < 0 or col >= boardSize:
return None
return row * boardSize + col
def svgElementSize(self, element):
svgGridRect = self.renderer.boundsOnElement("grid")
svgElementRect = self.renderer.boundsOnElement(element)
widthFactor = svgElementRect.width() / svgGridRect.width()
heightFactor = svgElementRect.height() / svgGridRect.height()
width = self.gridWidth * widthFactor
height = self.gridHeight * heightFactor
return (width, height)
def update(self):
svgBackgroundRect = self.renderer.boundsOnElement("background")
svgBoardRect = self.renderer.boundsOnElement("board")
svgGridRect = self.renderer.boundsOnElement("grid")
backgroundWidth = self.size().width()
backgroundHeight = self.size().height()
boardHeight = backgroundHeight * svgBoardRect.height() / svgBackgroundRect.height()
boardWidth = boardHeight * svgBoardRect.width() / svgBoardRect.height()
boardX = backgroundWidth / 2 - boardWidth / 2
boardY = backgroundHeight / 2 - boardHeight / 2
self.gridWidth = boardWidth * svgGridRect.width() / svgBoardRect.width()
self.gridHeight = boardHeight * svgGridRect.height() / svgBoardRect.height()
gridXRatio = (svgGridRect.x() - svgBoardRect.x()) / svgBoardRect.width()
gridYRatio = (svgGridRect.y() - svgBoardRect.y()) / svgBoardRect.height()
self.gridX = boardX + gridXRatio * boardWidth
self.gridY = boardY + gridYRatio * boardHeight
pixmap = renderSvg(self.renderer, "background", backgroundWidth, backgroundHeight)
boardPixmap = renderSvg(self.renderer, "board", boardWidth, boardHeight)
overlayPixmaps(pixmap, boardPixmap, boardX, boardY)
self.setPixmap(pixmap)
def updateWidgets(self):
for sw in self.stoneWidgets:
sw.update()
self.indicatorWidget.update()
def resizeEvent(self, event):
self.update()
self.updateWidgets()
def mouseMoveEvent(self, event):
pos = (event.pos().x(), event.pos().y())
self.indicatorWidget.updatePosition(pos)
def mousePressEvent(self, event):
pos = (event.pos().x(), event.pos().y())
point = self.xyToPoint(*pos)
if point is None or not self.game.isMoveLegal(point):
return
self.game.playMove(point)
self.indicatorWidget.updatePosition(pos)
def leaveEvent(self, event):
pass
self.indicatorWidget.updatePosition((-1, -1))
class GameInitWidget(QWidget):
def __init__(self, game, parent):
super(GameInitWidget, self).__init__(parent)
self.game = game
self.startButton = QPushButton("Start", self)
self.startButton.clicked.connect(self.startGame)
self.layout = QVBoxLayout()
self.layout.addWidget(self.startButton)
self.layout.addStretch(1)
self.setLayout(self.layout)
def startGame(self):
self.game.startGame()
class GamePlayWidget(QWidget):
def __init__(self, game, parent):
super(GamePlayWidget, self).__init__(parent)
self.game = game
self.game.boardChanged.connect(self.updateLabels)
self.titleLabel = QLabel(self)
self.infoLabel = QLabel(self)
self.resignButton = QPushButton("Resign", self)
self.resignButton.clicked.connect(self.resignGame)
self.passButton = QPushButton("Pass", self)
self.passButton.clicked.connect(self.playPassMove)
self.layout = QVBoxLayout()
self.layout.addWidget(self.titleLabel)
self.layout.addWidget(self.infoLabel)
self.layout.addWidget(self.resignButton)
self.layout.addStretch(1)
self.layout.addWidget(self.passButton)
self.setLayout(self.layout)
self.updateLabels()
def playPassMove(self):
self.game.playMove(-1)
def resignGame(self):
self.game.resignGame()
def updateLabels(self):
currentPlayer = self.game.currentPlayer()
if currentPlayer == 1:
self.titleLabel.setText("Black to move")
if currentPlayer == 2:
self.titleLabel.setText("White to move")
lastMoveText = "<strong>Last move</strong>:<br><font size=5>{}</font>"
lastMoveText = lastMoveText.format(self.game.lastMoveStr())
self.infoLabel.setText(lastMoveText)
class GameFinishedWidget(QWidget):
def __init__(self, game, parent):
super(GameFinishedWidget, self).__init__(parent)
self.game = game
self.game.resultChanged.connect(self.updateResult)
self.titleLabel = QLabel("Game finished", self)
self.infoLabel = QLabel(self)
self.newGameButton = QPushButton("New game", self)
self.newGameButton.clicked.connect(self.resetGame)
self.layout = QVBoxLayout()
self.layout.addWidget(self.titleLabel)
self.layout.addWidget(self.infoLabel)
self.layout.addWidget(self.newGameButton)
self.layout.addStretch(1)
self.setLayout(self.layout)
def resetGame(self):
self.game.initGame()
def updateResult(self):
resultText = "<strong>Result</strong>:<br><font size=5>{}</font>"
resultText = resultText.format(self.game.resultStr())
self.infoLabel.setText(resultText)
class GameWidget(QWidget):
def __init__(self, parent = None):
super(GameWidget, self).__init__(parent)
self.game = Game()
self.renderer = QSvgRenderer("theme.svg")
self.boardWidget = BoardWidget(self.game, self.renderer, self)
self.stackLayoutWidget = QWidget(self)
self.stackLayoutWidget.setFixedWidth(150)
self.initWidget = GameInitWidget(self.game, self.stackLayoutWidget)
self.playWidget = GamePlayWidget(self.game, self.stackLayoutWidget)
self.finishedWidget = GameFinishedWidget(self.game, self.stackLayoutWidget)
self.stackLayout = QStackedLayout()
self.stackLayout.addWidget(self.initWidget)
self.stackLayout.addWidget(self.playWidget)
self.stackLayout.addWidget(self.finishedWidget)
self.stackLayoutWidget.setLayout(self.stackLayout)
self.hboxLayout = QHBoxLayout()
self.hboxLayout.addWidget(self.boardWidget)
self.hboxLayout.addWidget(self.stackLayoutWidget)
self.hboxLayout.setStretch(0, 1)
self.hboxLayout.setContentsMargins(0, 0, 0, 0)
self.setLayout(self.hboxLayout)
self.game.phaseChanged.connect(self.update)
self.update()
def update(self):
print("gwUpdate phase={}".format(self.game.phase))
if self.game.phase == Phase.INIT:
self.stackLayout.setCurrentWidget(self.initWidget)
if self.game.phase == Phase.PLAY_HUMAN or self.game.phase == Phase.PLAY_ENGINE:
self.stackLayout.setCurrentWidget(self.playWidget)
if self.game.phase == Phase.FINISHED:
self.stackLayout.setCurrentWidget(self.finishedWidget)