def drawBackground(self, painter, rect):
# Shadow.
sceneRect = self.sceneRect()
rightShadow = QRectF(sceneRect.right(), sceneRect.top() + 5, 5,
sceneRect.height())
bottomShadow = QRectF(sceneRect.left() + 5, sceneRect.bottom(),
sceneRect.width(), 5)
if rightShadow.intersects(rect) or rightShadow.contains(rect):
painter.fillRect(rightShadow, Qt.darkGray)
if bottomShadow.intersects(rect) or bottomShadow.contains(rect):
painter.fillRect(bottomShadow, Qt.darkGray)
# Fill.
gradient = QLinearGradient(sceneRect.topLeft(), sceneRect.bottomRight())
gradient.setColorAt(0, Qt.white)
gradient.setColorAt(1, Qt.lightGray)
painter.fillRect(rect.intersected(sceneRect), QBrush(gradient))
painter.setBrush(Qt.NoBrush)
painter.drawRect(sceneRect)
# Text.
textRect = QRectF(sceneRect.left() + 4, sceneRect.top() + 4,
sceneRect.width() - 4, sceneRect.height() - 4)
message = "Click and drag the nodes around, and zoom with the " \
"mouse wheel or the '+' and '-' keys"
font = painter.font()
font.setBold(True)
font.setPointSize(14)
painter.setFont(font)
painter.setPen(Qt.lightGray)
painter.drawText(textRect.translated(2, 2), message)
painter.setPen(Qt.black)
painter.drawText(textRect, message)
def drawBackground(self, painter, rect):
# Shadow.
sceneRect = self.sceneRect()
rightShadow = QRectF(sceneRect.right(), sceneRect.top() + 5, 5,
sceneRect.height())
bottomShadow = QRectF(sceneRect.left() + 5, sceneRect.bottom(),
sceneRect.width(), 5)
if rightShadow.intersects(rect) or rightShadow.contains(rect):
painter.fillRect(rightShadow, Qt.darkGray)
if bottomShadow.intersects(rect) or bottomShadow.contains(rect):
painter.fillRect(bottomShadow, Qt.darkGray)
# Fill.
gradient = QLinearGradient(sceneRect.topLeft(),
sceneRect.bottomRight())
gradient.setColorAt(0, Qt.white)
gradient.setColorAt(1, Qt.lightGray)
# painter.fillRect(rect.intersect(sceneRect), QBrush(gradient))
painter.setBrush(Qt.NoBrush)
painter.drawRect(sceneRect)
# Text.
textRect = QRectF(sceneRect.left() + 4, sceneRect.top() + 4,
sceneRect.width() - 4, sceneRect.height() - 4)
message = "Click and drag the nodes around, and zoom with the " \
"mouse wheel or the '+' and '-' keys"
font = painter.font()
font.setBold(True)
font.setPointSize(14)
painter.setFont(font)
painter.setPen(Qt.lightGray)
painter.drawText(textRect.translated(2, 2), message)
painter.setPen(Qt.black)
painter.drawText(textRect, message)
def paintWindowFrame(self, painter, option, widget):
color = QColor(0, 0, 0, 64)
r = self.windowFrameRect()
right = QRectF(r.right(), r.top() + 10, 10, r.height() - 10)
bottom = QRectF(r.left() + 10, r.bottom(), r.width(), 10)
intersectsRight = right.intersects(option.exposedRect)
intersectsBottom = bottom.intersects(option.exposedRect)
if intersectsRight and intersectsBottom:
path = QPainterPath()
path.addRect(right)
path.addRect(bottom)
painter.setPen(Qt.NoPen)
painter.setBrush(color)
painter.drawPath(path)
elif intersectsBottom:
painter.fillRect(bottom, color)
elif intersectsRight:
painter.fillRect(right, color)
super(CustomProxy, self).paintWindowFrame(painter, option, widget)
def paintWindowFrame(self, painter, option, widget):
color = QColor(0, 0, 0, 64)
r = self.windowFrameRect()
right = QRectF(r.right(), r.top()+10, 10, r.height()-10)
bottom = QRectF(r.left()+10, r.bottom(), r.width(), 10)
intersectsRight = right.intersects(option.exposedRect)
intersectsBottom = bottom.intersects(option.exposedRect)
if intersectsRight and intersectsBottom:
path = QPainterPath()
path.addRect(right)
path.addRect(bottom)
painter.setPen(Qt.NoPen)
painter.setBrush(color)
painter.drawPath(path)
elif intersectsBottom:
painter.fillRect(bottom, color)
elif intersectsRight:
painter.fillRect(right, color)
super(CustomProxy, self).paintWindowFrame(painter, option, widget)
def __validatePosition(self, x, y, width=1, height=1):
positionRect = QRectF((x + 1) * self.tileSize, (y + 1) * self.tileSize,
self.tileSize * width, self.tileSize * height)
isPlacerValid = True
for ship in self.__placedShips:
shipRect = ship.mapRectToScene(ship.boundingRect()).adjusted(
-self.tileSize / 2, -self.tileSize / 2, self.tileSize / 2,
self.tileSize / 2)
isPlacerValid = not positionRect.intersects(shipRect)
if not isPlacerValid:
break
return isPlacerValid
