fix: prel. support for config_plotter with widgets instead of items

bec_widgets/config_plotter.py

@@ -2,11 +2,12 @@ from typing import List
 
 import numpy as np
 import pyqtgraph as pg
+from PyQt5.QtWidgets import QApplication, QGridLayout, QSizePolicy, QWidget
 from pyqtgraph import mkPen
-from pyqtgraph.Qt import QtCore, QtWidgets
+from pyqtgraph.Qt import QtCore
 
 
-class ConfigPlotter(pg.GraphicsWidget):
+class ConfigPlotter(QWidget):
     """
     ConfigPlotter is a widget that can be used to plot data from multiple channels
     in a grid layout. The layout is specified by a list of dicts, where each dict
@@ -28,7 +29,7 @@ class ConfigPlotter(pg.GraphicsWidget):
     """
 
     def __init__(self, configs: List[dict], parent=None):
-        super().__init__(parent)
+        super(ConfigPlotter, self).__init__()
         self.configs = configs
         self.plots = {}
         self._init_ui()
@@ -37,63 +38,73 @@ class ConfigPlotter(pg.GraphicsWidget):
     def _init_ui(self):
         pg.setConfigOption("background", "w")
         pg.setConfigOption("foreground", "k")
+        self.layout = QGridLayout()
+        self.setLayout(self.layout)
         self.pen = mkPen(color=(56, 76, 107), width=4, style=QtCore.Qt.SolidLine)
-
-        self.view = pg.GraphicsView()
-        self.view.setAntialiasing(True)
-        self.view.show()
-
-        self.layout = pg.GraphicsLayout()
-        self.view.setCentralWidget(self.layout)
+        self.show()
 
     def _init_plots(self):
         for config in self.configs:
             channels = config["config"]["channels"]
             for channel in channels:
-                item = pg.PlotItem()
-                self.layout.addItem(
-                    item,
-                    row=config["y"],
-                    col=config["x"],
-                    rowspan=config["rows"],
-                    colspan=config["cols"],
-                )
-
                 # call the corresponding init function, e.g. init_plotitem
                 init_func = getattr(self, f"init_{config['config']['item']}")
-                init_func(channel, config["config"], item)
+                init_func(channel, config)
 
                 # self.init_ImageItem(channel, config["config"], item)
 
-    def init_PlotItem(self, channel: str, config: dict, item: pg.GraphicsItem):
+    def init_PlotItem(self, channel: str, config: dict):
         """
         Initialize a PlotItem
 
         Args:
             channel(str): channel to plot
             config(dict): config dict for the channel
-            item(pg.GraphicsItem): PlotItem to plot the data
         """
         # pylint: disable=invalid-name
-        plot_data = item.plot(np.random.rand(100), pen=self.pen)
-        item.setLabel("left", channel)
-        self.plots[channel] = {"item": item, "plot_data": plot_data}
+        plot_widget = pg.PlotWidget()
+        plot_widget.setSizePolicy(QSizePolicy.Fixed, QSizePolicy.Fixed)
+        self.layout.addWidget(plot_widget, config["y"], config["x"], config["rows"], config["cols"])
+        plot_data = plot_widget.plot(np.random.rand(100), pen=self.pen)
+        # item.setLabel("left", channel)
+        # self.plots[channel] = {"item": item, "plot_data": plot_data}
 
-    def init_ImageItem(self, channel: str, config: dict, item: pg.GraphicsItem):
+    def init_ImageItem(self, channel: str, config: dict):
         """
         Initialize an ImageItem
 
         Args:
             channel(str): channel to plot
             config(dict): config dict for the channel
-            item(pg.GraphicsItem): ImageItem to plot the data
         """
         # pylint: disable=invalid-name
+        item = pg.PlotItem()
+        self.layout.addItem(
+            item,
+            row=config["y"],
+            col=config["x"],
+            rowspan=config["rows"],
+            colspan=config["cols"],
+        )
         img = pg.ImageItem()
         item.addItem(img)
         img.setImage(np.random.rand(100, 100))
         self.plots[channel] = {"item": item, "plot_data": img}
 
+    def init_ImageView(self, channel: str, config: dict):
+        """
+        Initialize an ImageView
+
+        Args:
+            channel(str): channel to plot
+            config(dict): config dict for the channel
+        """
+        # pylint: disable=invalid-name
+        img = pg.ImageView()
+        img.setImage(np.random.rand(100, 100))
+        self.layout.addWidget(img, config["y"], config["x"], config["rows"], config["cols"])
+        self.plots[channel] = {"item": img, "plot_data": img}
+
 
 if __name__ == "__main__":
     import sys
@@ -118,10 +129,10 @@ if __name__ == "__main__":
             "rows": 2,
             "y": 0,
             "x": 1,
-            "config": {"channels": ["c"], "label_xy": ["", "c"], "item": "ImageItem"},
+            "config": {"channels": ["c"], "label_xy": ["", "c"], "item": "ImageView"},
         },
     ]
 
-    app = QtWidgets.QApplication(sys.argv)
+    app = QApplication(sys.argv)
     win = ConfigPlotter(CONFIG)
     pg.exec()