spreadsheet.py 文件源码

def updateColor(self, item):
        pixmap = QPixmap(16, 16)
        color = QColor()
        if item:
            color = item.backgroundColor()
        if not color.isValid():
            color = self.palette().base().color()
        painter = QPainter(pixmap)
        painter.fillRect(0, 0, 16, 16, color)
        lighter = color.lighter()
        painter.setPen(lighter)
        # light frame
        painter.drawPolyline(QPoint(0, 15), QPoint(0, 0), QPoint(15, 0))
        painter.setPen(color.darker())
        # dark frame
        painter.drawPolyline(QPoint(1, 15), QPoint(15, 15), QPoint(15, 1))
        painter.end()
        self.colorAction.setIcon(QIcon(pixmap))