def paintEvent(self, e): # call the base implementation to paint normal interface QWidget.paintEvent(self, e); draw = QPainter(); draw.begin(self) h = self.height() - 1 diff = (self._higher - self._lower) * self.scale try: self._step = float(self.width()) / float(diff) except ZeroDivisionError: self._step = 0 x_start = (self._minVal - self._lower) * self._step * self.scale x_end = (self._maxVal - self._lower) * self._step * self.scale draw.setOpacity(1.0) draw.setBrush(QtCore.Qt.NoBrush) draw.setPen(QColor(200, 200, 255)) for i in range( int(self.width()/5), int(self.width()-self.width()/5) + 1, int(self.width()/5) ): draw.drawLine(i, 0, i, h) draw.setBrush(QColor(238, 238, 238)) draw.setPen(QColor(238, 238, 238)) draw.drawRoundedRect(0, 2, self.width(), h - 4, 3, 3) draw.setBrush(QColor(33, 133, 208)) draw.setPen(QColor(33, 133, 208)) draw.drawRoundedRect(int(round(x_start)), 2, int(round(x_end - x_start)), h - 4, 3, 3) # draw.setOpacity(1.0) draw.setFont(QFont('Decorative', 8)) draw.setPen(QColor(80, 80, 80)) str(self._maxVal) if self._use_float else str(int(round(self._maxVal))) boundtext = draw.boundingRect(QtCore.QRectF(), str(self._higher) if self._use_float else str(int(round(self._higher)))) draw.drawText(self.width() - boundtext.width(), 14, str(self._higher) if self._use_float else str(int(round(self._higher)))) draw.drawText(0, 14, str(self._lower) if self._use_float else str(int(round(self._lower)))) draw.setPen(QColor(255, 255, 255)) boundtext = draw.boundingRect(QtCore.QRectF(), str(self._minVal) if self._use_float else str(int(round(self._minVal)))) draw.drawText(x_start + 2, 14, str(self._minVal) if self._use_float else str(int(round(self._minVal)))) boundtext = draw.boundingRect(QtCore.QRectF(), str(self._maxVal) if self._use_float else str(int(round(self._maxVal)))) draw.drawText(x_end - boundtext.width(), 14, str(self._maxVal) if self._use_float else str(int(round(self._maxVal)))) draw.end()
def paintEvent(self, e): """ :param e: :return: """ self._is_painting = True super(EventsWidget, self).paintEvent(e) painter = QPainter() painter.begin(self) painter.setRenderHint(QPainter.Antialiasing) painter.setFont(QFont('Decorative', 8)) slider_pos = self._scroll.sliderPosition() start = slider_pos * self._scale end = start + self.width() * self._scale for i, track in enumerate(self._tracks): if self._break_draw: break track.draw_events(painter, start, end, track_index=i, left_shift=-self._scroll.sliderPosition(), scale=self._scale) # Draw only from pixel start to end painter.setPen(QtCore.Qt.DashLine) painter.setOpacity(0.3) # print('Draw', start, end, self._scale, self._scroll.sliderPosition(), self.width()) # Draw vertical lines for x in range(start - (start % (100 * self._scale)), end, 100 * self._scale): x2draw = (x - slider_pos * self._scale) // self._scale painter.drawLine(x2draw, 20, x2draw, self.height()) string = str(x) boundtext = painter.boundingRect(QtCore.QRectF(), string) painter.drawText(x2draw - boundtext.width() / 2, 15, string) for index, track in enumerate(self._tracks): top = self.which_top(index) # print(top) painter.drawLine(0, top, self.width(), top) painter.drawText(10, top + 15, track.title) painter.setOpacity(1.0) self._pointer.draw(painter, left_shift=-slider_pos, scale=self._scale) # Draw the time pointer painter.end() self._break_draw = False self._is_painting = False