From ae4483bfaacba171b0350c71ef84ca471feb23c2 Mon Sep 17 00:00:00 2001
From: angulartist <belabesmohammed@gmail.com>
Date: Sun, 19 Jul 2020 15:58:13 +0200
Subject: [PATCH 1/3] Enhancement: [Issue/812]: MultiPlotItem handles pen
 (QPen) as a keyword argument

---
 pyqtgraph/graphicsItems/MultiPlotItem.py | 21 ++++++++++++++-------
 1 file changed, 14 insertions(+), 7 deletions(-)

diff --git a/pyqtgraph/graphicsItems/MultiPlotItem.py b/pyqtgraph/graphicsItems/MultiPlotItem.py
index 065a605e..dcdcf986 100644
--- a/pyqtgraph/graphicsItems/MultiPlotItem.py
+++ b/pyqtgraph/graphicsItems/MultiPlotItem.py
@@ -4,8 +4,8 @@ MultiPlotItem.py -  Graphics item used for displaying an array of PlotItems
 Copyright 2010  Luke Campagnola
 Distributed under MIT/X11 license. See license.txt for more information.
 """
-
 from numpy import ndarray
+from ..Qt import QtGui
 from . import GraphicsLayout
 from ..metaarray import *
 
@@ -18,10 +18,20 @@ class MultiPlotItem(GraphicsLayout.GraphicsLayout):
     def __init__(self, *args, **kwds):
         GraphicsLayout.GraphicsLayout.__init__(self, *args, **kwds)
         self.plots = []
-        
 
-    def plot(self, data):
+
+    def plot(self, data, **kwargs):
         #self.layout.clear()
+        # extra plot parameters
+        extraParams = {}
+
+        # if 'pen' provided, add it as an extra param
+        if 'pen' in kwargs:
+            pen = kwargs['pen']
+            if not isinstance(pen, QtGui.QPen):
+                raise TypeError("Keyword argument 'pen' must be an instance of QtGui.QPen")
+            extraParams['pen'] = pen
+
 
         if hasattr(data, 'implements') and data.implements('MetaArray'):
             if data.ndim != 2:
@@ -38,7 +48,7 @@ class MultiPlotItem(GraphicsLayout.GraphicsLayout):
                 self.nextRow()
                 sl = [slice(None)] * 2
                 sl[ax] = i
-                pi.plot(data[tuple(sl)])
+                pi.plot(data[tuple(sl)], **extraParams)
                 #self.layout.addItem(pi, i, 0)
                 self.plots.append((pi, i, 0))
                 info = ic[ax]['cols'][i]
@@ -57,6 +67,3 @@ class MultiPlotItem(GraphicsLayout.GraphicsLayout):
             p[0].close()
         self.plots = None
         self.clear()
-
-
-

From 58aa9306dffb057218979553609404f5e4c02216 Mon Sep 17 00:00:00 2001
From: angulartist <belabesmohammed@gmail.com>
Date: Sun, 19 Jul 2020 19:16:07 +0200
Subject: [PATCH 2/3] Enhancement: [Issue/812]: just pass plotArgs keyword
 arguments

---
 examples/MultiPlotWidget.py              |  2 +-
 pyqtgraph/graphicsItems/MultiPlotItem.py | 14 ++------------
 2 files changed, 3 insertions(+), 13 deletions(-)

diff --git a/examples/MultiPlotWidget.py b/examples/MultiPlotWidget.py
index 67cb83ee..2800ee44 100644
--- a/examples/MultiPlotWidget.py
+++ b/examples/MultiPlotWidget.py
@@ -30,7 +30,7 @@ ma = MetaArray(data, info=[
         ]}, 
     {'name': 'Time', 'values': linspace(0., 1., 1000), 'units': 's'}
     ])
-pw.plot(ma)
+pw.plot(ma, pen='y')
 
 ## Start Qt event loop unless running in interactive mode.
 if __name__ == '__main__':
diff --git a/pyqtgraph/graphicsItems/MultiPlotItem.py b/pyqtgraph/graphicsItems/MultiPlotItem.py
index dcdcf986..addafde2 100644
--- a/pyqtgraph/graphicsItems/MultiPlotItem.py
+++ b/pyqtgraph/graphicsItems/MultiPlotItem.py
@@ -20,18 +20,8 @@ class MultiPlotItem(GraphicsLayout.GraphicsLayout):
         self.plots = []
 
 
-    def plot(self, data, **kwargs):
+    def plot(self, data, **plotArgs):
         #self.layout.clear()
-        # extra plot parameters
-        extraParams = {}
-
-        # if 'pen' provided, add it as an extra param
-        if 'pen' in kwargs:
-            pen = kwargs['pen']
-            if not isinstance(pen, QtGui.QPen):
-                raise TypeError("Keyword argument 'pen' must be an instance of QtGui.QPen")
-            extraParams['pen'] = pen
-
 
         if hasattr(data, 'implements') and data.implements('MetaArray'):
             if data.ndim != 2:
@@ -48,7 +38,7 @@ class MultiPlotItem(GraphicsLayout.GraphicsLayout):
                 self.nextRow()
                 sl = [slice(None)] * 2
                 sl[ax] = i
-                pi.plot(data[tuple(sl)], **extraParams)
+                pi.plot(data[tuple(sl)], **plotArgs)
                 #self.layout.addItem(pi, i, 0)
                 self.plots.append((pi, i, 0))
                 info = ic[ax]['cols'][i]

From 5765b0d4c24f44e2488e42bdb2dbfb5e875c94a2 Mon Sep 17 00:00:00 2001
From: angulartist <belabesmohammed@gmail.com>
Date: Sun, 19 Jul 2020 19:16:58 +0200
Subject: [PATCH 3/3] Enhancement: [Issue/812]: remove unused import

---
 pyqtgraph/graphicsItems/MultiPlotItem.py | 1 -
 1 file changed, 1 deletion(-)

diff --git a/pyqtgraph/graphicsItems/MultiPlotItem.py b/pyqtgraph/graphicsItems/MultiPlotItem.py
index addafde2..588de331 100644
--- a/pyqtgraph/graphicsItems/MultiPlotItem.py
+++ b/pyqtgraph/graphicsItems/MultiPlotItem.py
@@ -5,7 +5,6 @@ Copyright 2010  Luke Campagnola
 Distributed under MIT/X11 license. See license.txt for more information.
 """
 from numpy import ndarray
-from ..Qt import QtGui
 from . import GraphicsLayout
 from ..metaarray import *