def paintEvent(self, event): opt = QStyleOption() opt.initFrom(self) opt.state |= (QStyle.State_Sunken if self.isDown() else QStyle.State_Raised) p = QStylePainter(self) p.drawPrimitive(QStyle.PE_Widget, opt)
def paintEvent(self, event): option = QStyleOption() option.initFrom(self) painter = QStylePainter(self) painter.setRenderHint(QStylePainter.Antialiasing, True) painter.drawPrimitive( QStyle.PE_Widget if self.testAttribute(Qt.WA_NoSystemBackground) else QStyle.PE_Frame, option)
def paintEvent(self, event): # make the widget style aware option = QStyleOption() option.initFrom(self) painter = QStylePainter(self) painter.drawPrimitive(QStyle.PE_Widget, option)
def paintEvent(self, event): option = QStyleOption() option.initFrom(self) contents_rect = self.style().subElementRect(QStyle.SE_FrameContents, option, self) or self.contentsRect() # the SE_FrameContents rect is Null unless the stylesheet defines decorations if self.graphStyle == self.BarStyle: graph_width = self.__dict__['graph_width'] = int(ceil(float(contents_rect.width()) / self.horizontalPixelsPerUnit)) else: graph_width = self.__dict__['graph_width'] = int(ceil(float(contents_rect.width() - 1) / self.horizontalPixelsPerUnit) + 1) max_value = self.__dict__['max_value'] = max(chain([0], *(islice(reversed(graph.data), graph_width) for graph in self.graphs if graph.enabled))) if self.graphHeight == self.AutomaticHeight or self.graphHeight < 0: graph_height = self.__dict__['graph_height'] = max(self.scaler.get_height(max_value), self.minHeight) else: graph_height = self.__dict__['graph_height'] = max(self.graphHeight, self.minHeight) if self.graphStyle == self.BarStyle: height_scaling = float(contents_rect.height()) / graph_height else: height_scaling = float(contents_rect.height() - self.lineThickness) / graph_height painter = QStylePainter(self) painter.drawPrimitive(QStyle.PE_Widget, option) painter.setClipRect(contents_rect) painter.save() painter.translate(contents_rect.x() + contents_rect.width() - 1, contents_rect.y() + contents_rect.height() - 1) painter.scale(-1, -1) painter.setRenderHint(QStylePainter.Antialiasing, self.graphStyle != self.BarStyle) for graph in (graph for graph in self.graphs if graph.enabled and graph.data): if self.boundary is not None and 0 < self.boundary < graph_height: boundary_width = min(5.0/height_scaling, self.boundary-0, graph_height-self.boundary) pen_color = QLinearGradient(0, (self.boundary - boundary_width) * height_scaling, 0, (self.boundary + boundary_width) * height_scaling) pen_color.setColorAt(0, graph.color) pen_color.setColorAt(1, graph.over_boundary_color) brush_color = QLinearGradient(0, (self.boundary - boundary_width) * height_scaling, 0, (self.boundary + boundary_width) * height_scaling) brush_color.setColorAt(0, self.color_with_alpha(graph.color, self.fillTransparency)) brush_color.setColorAt(1, self.color_with_alpha(graph.over_boundary_color, self.fillTransparency)) else: pen_color = graph.color brush_color = self.color_with_alpha(graph.color, self.fillTransparency) dataset = islice(reversed(graph.data), graph_width) if self.graphStyle == self.BarStyle: lines = [QLineF(x*self.horizontalPixelsPerUnit, 0, x*self.horizontalPixelsPerUnit, y*height_scaling) for x, y in enumerate(dataset)] painter.setPen(QPen(pen_color, self.lineThickness)) painter.drawLines(lines) else: painter.translate(0, +self.lineThickness/2 - 1) if self.smoothEnvelope and self.smoothFactor > 0: min_value = 0 max_value = graph_height * height_scaling cx_offset = self.horizontalPixelsPerUnit / 3.0 smoothness = self.smoothFactor last_values = deque(3*[next(dataset) * height_scaling], maxlen=3) # last 3 values: 0 last, 1 previous, 2 previous previous envelope = QPainterPath() envelope.moveTo(0, last_values[0]) for x, y in enumerate(dataset, 1): x = x * self.horizontalPixelsPerUnit y = y * height_scaling * (1 - smoothness) + last_values[0] * smoothness last_values.appendleft(y) c1x = x - cx_offset * 2 c2x = x - cx_offset c1y = limit((1 + smoothness) * last_values[1] - smoothness * last_values[2], min_value, max_value) # same gradient as previous previous value to previous value c2y = limit((1 - smoothness) * last_values[0] + smoothness * last_values[1], min_value, max_value) # same gradient as previous value to last value envelope.cubicTo(c1x, c1y, c2x, c2y, x, y) else: envelope = QPainterPath() envelope.addPolygon(QPolygonF([QPointF(x*self.horizontalPixelsPerUnit, y*height_scaling) for x, y in enumerate(dataset)])) if self.fillEnvelope or graph.fill_envelope: first_element = envelope.elementAt(0) last_element = envelope.elementAt(envelope.elementCount() - 1) fill_path = QPainterPath() fill_path.moveTo(last_element.x, last_element.y) fill_path.lineTo(last_element.x + 1, last_element.y) fill_path.lineTo(last_element.x + 1, -self.lineThickness) fill_path.lineTo(-self.lineThickness, -self.lineThickness) fill_path.lineTo(-self.lineThickness, first_element.y) fill_path.connectPath(envelope) painter.fillPath(fill_path, brush_color) painter.strokePath(envelope, QPen(pen_color, self.lineThickness, join=Qt.RoundJoin)) painter.translate(0, -self.lineThickness/2 + 1) if self.boundary is not None and self.boundaryColor: painter.setRenderHint(QStylePainter.Antialiasing, False) painter.setPen(QPen(self.boundaryColor, 1.0)) painter.drawLine(0, self.boundary*height_scaling, contents_rect.width(), self.boundary*height_scaling) painter.restore() # queue the 'updated' signal to be emitted after returning to the main loop QMetaObject.invokeMethod(self, 'updated', Qt.QueuedConnection)
def paintEvent(self, event): option = QStyleOption() option.initFrom(self) painter = QStylePainter(self) painter.setRenderHint(QStylePainter.Antialiasing, True) painter.drawPrimitive(QStyle.PE_Widget if self.testAttribute(Qt.WA_NoSystemBackground) else QStyle.PE_Frame, option)
def paintEvent(self, event): p = QStylePainter(self) opt = QStyleOptionFrame() opt.initFrom(self) p.drawPrimitive(QStyle.PE_PanelTipLabel, opt) p.end()
def paintEvent(self, event): option = QStyleOption() option.initFrom(self) contents_rect = self.style().subElementRect( QStyle.SE_FrameContents, option, self ) or self.contentsRect( ) # the SE_FrameContents rect is Null unless the stylesheet defines decorations if self.graphStyle == self.BarStyle: graph_width = self.__dict__['graph_width'] = int( ceil( float(contents_rect.width()) / self.horizontalPixelsPerUnit)) else: graph_width = self.__dict__['graph_width'] = int( ceil( float(contents_rect.width() - 1) / self.horizontalPixelsPerUnit) + 1) max_value = self.__dict__['max_value'] = max( chain([0], *(islice(reversed(graph.data), graph_width) for graph in self.graphs if graph.enabled))) if self.graphHeight == self.AutomaticHeight or self.graphHeight < 0: graph_height = self.__dict__['graph_height'] = max( self.scaler.get_height(max_value), self.minHeight) else: graph_height = self.__dict__['graph_height'] = max( self.graphHeight, self.minHeight) if self.graphStyle == self.BarStyle: height_scaling = float(contents_rect.height()) / graph_height else: height_scaling = float(contents_rect.height() - self.lineThickness) / graph_height painter = QStylePainter(self) painter.drawPrimitive(QStyle.PE_Widget, option) painter.setClipRect(contents_rect) painter.save() painter.translate(contents_rect.x() + contents_rect.width() - 1, contents_rect.y() + contents_rect.height() - 1) painter.scale(-1, -1) painter.setRenderHint(QStylePainter.Antialiasing, self.graphStyle != self.BarStyle) for graph in (graph for graph in self.graphs if graph.enabled and graph.data): if self.boundary is not None and 0 < self.boundary < graph_height: boundary_width = min(5.0 / height_scaling, self.boundary - 0, graph_height - self.boundary) pen_color = QLinearGradient( 0, (self.boundary - boundary_width) * height_scaling, 0, (self.boundary + boundary_width) * height_scaling) pen_color.setColorAt(0, graph.color) pen_color.setColorAt(1, graph.over_boundary_color) brush_color = QLinearGradient( 0, (self.boundary - boundary_width) * height_scaling, 0, (self.boundary + boundary_width) * height_scaling) brush_color.setColorAt( 0, self.color_with_alpha(graph.color, self.fillTransparency)) brush_color.setColorAt( 1, self.color_with_alpha(graph.over_boundary_color, self.fillTransparency)) else: pen_color = graph.color brush_color = self.color_with_alpha(graph.color, self.fillTransparency) dataset = islice(reversed(graph.data), graph_width) if self.graphStyle == self.BarStyle: lines = [ QLineF(x * self.horizontalPixelsPerUnit, 0, x * self.horizontalPixelsPerUnit, y * height_scaling) for x, y in enumerate(dataset) ] painter.setPen(QPen(pen_color, self.lineThickness)) painter.drawLines(lines) else: painter.translate(0, +self.lineThickness / 2 - 1) if self.smoothEnvelope and self.smoothFactor > 0: min_value = 0 max_value = graph_height * height_scaling cx_offset = self.horizontalPixelsPerUnit / 3.0 smoothness = self.smoothFactor last_values = deque( 3 * [next(dataset) * height_scaling], maxlen=3 ) # last 3 values: 0 last, 1 previous, 2 previous previous envelope = QPainterPath() envelope.moveTo(0, last_values[0]) for x, y in enumerate(dataset, 1): x = x * self.horizontalPixelsPerUnit y = y * height_scaling * ( 1 - smoothness) + last_values[0] * smoothness last_values.appendleft(y) c1x = x - cx_offset * 2 c2x = x - cx_offset c1y = limit( (1 + smoothness) * last_values[1] - smoothness * last_values[2], min_value, max_value ) # same gradient as previous previous value to previous value c2y = limit( (1 - smoothness) * last_values[0] + smoothness * last_values[1], min_value, max_value ) # same gradient as previous value to last value envelope.cubicTo(c1x, c1y, c2x, c2y, x, y) else: envelope = QPainterPath() envelope.addPolygon( QPolygonF([ QPointF(x * self.horizontalPixelsPerUnit, y * height_scaling) for x, y in enumerate(dataset) ])) if self.fillEnvelope or graph.fill_envelope: first_element = envelope.elementAt(0) last_element = envelope.elementAt(envelope.elementCount() - 1) fill_path = QPainterPath() fill_path.moveTo(last_element.x, last_element.y) fill_path.lineTo(last_element.x + 1, last_element.y) fill_path.lineTo(last_element.x + 1, -self.lineThickness) fill_path.lineTo(-self.lineThickness, -self.lineThickness) fill_path.lineTo(-self.lineThickness, first_element.y) fill_path.connectPath(envelope) painter.fillPath(fill_path, brush_color) painter.strokePath( envelope, QPen(pen_color, self.lineThickness, join=Qt.RoundJoin)) painter.translate(0, -self.lineThickness / 2 + 1) if self.boundary is not None and self.boundaryColor: painter.setRenderHint(QStylePainter.Antialiasing, False) painter.setPen(QPen(self.boundaryColor, 1.0)) painter.drawLine(0, self.boundary * height_scaling, contents_rect.width(), self.boundary * height_scaling) painter.restore() # queue the 'updated' signal to be emitted after returning to the main loop QMetaObject.invokeMethod(self, 'updated', Qt.QueuedConnection)
def paintEvent(self, event: QPaintEvent) -> None: """ Render the custom widget """ painter = QStylePainter() painter.begin(self) x = 0 y = 0 width = self.width() rect = self.rect() # type: QRect if self.display_type == DestinationDisplayType.usage_only and QSplitter( ).lineWidth(): # Draw a frame if that's what the style requires option = QStyleOptionFrame() option.initFrom(self) painter.drawPrimitive(QStyle.PE_Frame, option) w = QSplitter().lineWidth() rect.adjust(w, w, -w, -w) palette = QPalette() backgroundColor = palette.base().color() painter.fillRect(rect, backgroundColor) if self.storage_space is None: painter.end() return highlight_menu = self.mouse_pos == DestinationDisplayMousePos.menu if self.display_type != DestinationDisplayType.usage_only: # Render the folder icon, folder name, and the menu icon self.deviceDisplay.paint_header(painter=painter, x=x, y=y, width=width, display_name=self.display_name, icon=self.icon, highlight_menu=highlight_menu) y = y + self.deviceDisplay.device_name_height if self.display_type != DestinationDisplayType.folder_only: # Render the projected storage space if self.display_type == DestinationDisplayType.usage_only: y += self.deviceDisplay.padding photos_size_to_download, videos_size_to_download = adjusted_download_size( photos_size_to_download=self.photos_size_to_download, videos_size_to_download=self.videos_size_to_download, os_stat_device=self.os_stat_device, downloading_to=self._downloading_to) details = make_body_details( bytes_total=self.storage_space.bytes_total, bytes_free=self.storage_space.bytes_free, files_to_display=self.files_to_display, marked=self.marked, photos_size_to_download=photos_size_to_download, videos_size_to_download=videos_size_to_download) self.deviceDisplay.paint_body(painter=painter, x=x, y=y, width=width, details=details) painter.end()
def paintEvent(self, *opts): painter = QStylePainter(self) option = QStyleOptionFrame() option.initFrom(self) painter.drawPrimitive(QStyle.PE_Frame, option) super().paintEvent(*opts)