def paintEvent(self, QPaintEvent):
painter = QPainter()
painter.begin(self)
painter.setRenderHint(QPainter.Antialiasing)
pen = QPen()
pen.setWidth(self.__circle_width)
painter.setPen(pen)
width = 2 * self.__radius
height = width
q = QColor()
q.setNamedColor("white")
painter.setBrush(q)
painter.drawEllipse(self.__circle_width, self.__circle_width, width,
height)
if self.selected:
color = QColor()
color.setNamedColor("blue")
pen.setColor(color)
painter.setPen(pen)
painter.setBrush(color)
rect = QRect(0, 0, self.__size, self.__size)
painter.drawText(rect, Qt.AlignCenter,
str(self.get_selection_number()))
painter.end()
def format_style(color, style=''):
"""Return a QTextCharFormat with the given attributes."""
_color = QColor()
_color.setNamedColor(color)
_format = QTextCharFormat()
_format.setForeground(_color)
if 'bold' in style:
_format.setFontWeight(QFont.Bold)
if 'italic' in style:
_format.setFontItalic(True)
return _format
def paintEvent(self, QPaintEvent):
pen_color = QColor()
if self.selected:
pen_color.setNamedColor("blue")
else:
pen_color.setNamedColor("black")
pen = QPen()
pen.setWidth(self.__pen_width)
pen.setColor(pen_color)
painter = QPainter()
painter.begin(self)
painter.setRenderHint(QPainter.Antialiasing)
painter.setPen(pen)
painter.drawPath(self.__branch)
pen.setWidth(1)
painter.setPen(pen)
painter.setBrush(pen_color) # Use same color as pen for brush
painter.drawPath(self.__arrow)
painter.end()