From c087a47e45280cda6a8622c829612e1dfaad2785 Mon Sep 17 00:00:00 2001 From: Simon Renblad Date: Wed, 24 Jan 2024 16:18:31 +0800 Subject: [PATCH] waveform: add _BaseWaveform --- artiq/dashboard/waveform.py | 81 +++++++++++++++++++++++++++++++++++++ 1 file changed, 81 insertions(+) diff --git a/artiq/dashboard/waveform.py b/artiq/dashboard/waveform.py index 82b4de5a1..53e250f34 100644 --- a/artiq/dashboard/waveform.py +++ b/artiq/dashboard/waveform.py @@ -105,6 +105,87 @@ class ReceiverProxyClient(_BaseProxyClient): await self.receiver.close() +class _BackgroundItem(pg.GraphicsWidgetAnchor, pg.GraphicsWidget): + def __init__(self, parent, rect): + pg.GraphicsWidget.__init__(self, parent) + pg.GraphicsWidgetAnchor.__init__(self) + self.item = QtWidgets.QGraphicsRectItem(rect, self) + brush = QtGui.QBrush(QtGui.QColor(10, 10, 10, 140)) + self.item.setBrush(brush) + + +class _BaseWaveform(pg.PlotWidget): + def __init__(self, name, width, parent=None, pen="r", stepMode="right", connect="finite"): + pg.PlotWidget.__init__(self, + parent=parent, + x=None, + y=None, + pen=pen, + stepMode=stepMode, + connect=connect) + + self.setMinimumHeight(WAVEFORM_MIN_HEIGHT) + self.setMaximumHeight(WAVEFORM_MAX_HEIGHT) + self.setMenuEnabled(False) + self.setContextMenuPolicy(QtCore.Qt.ActionsContextMenu) + + self.name = name + self.width = width + + self.plot_item = self.getPlotItem() + self.plot_item.hideButtons() + self.plot_item.hideAxis("top") + self.plot_item.getAxis("bottom").setStyle(showValues=False, tickLength=0) + self.plot_item.getAxis("left").setStyle(showValues=False, tickLength=0) + self.plot_item.setRange(yRange=(0, 1), padding=0.1) + self.plot_item.showGrid(x=True, y=True) + + self.plot_data_item = self.plot_item.listDataItems()[0] + self.plot_data_item.setClipToView(True) + + self.view_box = self.plot_item.getViewBox() + self.view_box.setMouseEnabled(x=True, y=False) + self.view_box.disableAutoRange(axis=pg.ViewBox.YAxis) + self.view_box.setLimits(xMin=0, minXRange=20) + + self.title_label = pg.LabelItem(self.name, parent=self.plot_item) + self.title_label.anchor(itemPos=(0, 0), parentPos=(0, 0), offset=(0, 0)) + self.title_label.setAttr('justify', 'left') + self.title_label.setZValue(10) + + rect = self.title_label.boundingRect() + rect.setHeight(rect.height() * 2) + self.label_bg = _BackgroundItem(parent=self.plot_item, rect=rect) + self.label_bg.anchor(itemPos=(0, 0), parentPos=(0, 0), offset=(0, 0)) + + def setStoppedX(self, stopped_x): + self.stopped_x = stopped_x + self.view_box.setLimits(xMax=stopped_x) + + def setTimescale(self, timescale): + self.timescale = timescale + + def onDataChange(self, data): + raise NotImplementedError + + def mouseMoveEvent(self, e): + if e.buttons() == QtCore.Qt.LeftButton \ + and e.modifiers() == QtCore.Qt.ShiftModifier: + drag = QtGui.QDrag(self) + mime = QtCore.QMimeData() + drag.setMimeData(mime) + pixmapi = QtWidgets.QApplication.style().standardIcon( + QtWidgets.QStyle.SP_FileIcon) + drag.setPixmap(pixmapi.pixmap(32)) + drag.exec_(QtCore.Qt.MoveAction) + else: + super().mouseMoveEvent(e) + + def wheelEvent(self, e): + if e.modifiers() & QtCore.Qt.ControlModifier: + super().wheelEvent(e) + + class _WaveformView(QtWidgets.QWidget): def __init__(self, parent): QtWidgets.QWidget.__init__(self, parent=parent)