From c95ab570b11cd749bc54d6ae5fa3991d91f6c252 Mon Sep 17 00:00:00 2001
From: SamSchott <ss2151@cam.ac.uk>
Date: Wed, 20 Nov 2019 04:43:27 +0000
Subject: [PATCH] set color of tick-labels separately (#841)

---
 pyqtgraph/graphicsItems/AxisItem.py | 33 +++++++++++++++++++++++++----
 1 file changed, 29 insertions(+), 4 deletions(-)

diff --git a/pyqtgraph/graphicsItems/AxisItem.py b/pyqtgraph/graphicsItems/AxisItem.py
index 088ba6b8..da57403f 100644
--- a/pyqtgraph/graphicsItems/AxisItem.py
+++ b/pyqtgraph/graphicsItems/AxisItem.py
@@ -17,7 +17,7 @@ class AxisItem(GraphicsWidget):
     If maxTickLength is negative, ticks point into the plot.
     """
 
-    def __init__(self, orientation, pen=None, linkView=None, parent=None, maxTickLength=-5, showValues=True, text='', units='', unitPrefix='', **args):
+    def __init__(self, orientation, pen=None, textPen=None, linkView=None, parent=None, maxTickLength=-5, showValues=True, text='', units='', unitPrefix='', **args):
         """
         ==============  ===============================================================
         **Arguments:**
@@ -28,6 +28,7 @@ class AxisItem(GraphicsWidget):
                         to be linked to the visible range of a ViewBox.
         showValues      (bool) Whether to display values adjacent to ticks
         pen             (QPen) Pen used when drawing ticks.
+        textPen         (QPen) Pen used when drawing tick labels.
         text            The text (excluding units) to display on the label for this
                         axis.
         units           The units for this axis. Units should generally be given
@@ -97,6 +98,11 @@ class AxisItem(GraphicsWidget):
         else:
             self.setPen(pen)
 
+        if textPen is None:
+            self.setTextPen()
+        else:
+            self.setTextPen(pen)
+
         self._linkedView = None
         if linkView is not None:
             self.linkToView(linkView)
@@ -405,6 +411,25 @@ class AxisItem(GraphicsWidget):
         self.setLabel()
         self.update()
 
+    def textPen(self):
+        if self._textPen is None:
+            return fn.mkPen(getConfigOption('foreground'))
+        return fn.mkPen(self._textPen)
+
+    def setTextPen(self, *args, **kwargs):
+        """
+        Set the pen used for drawing text.
+        If no arguments are given, the default foreground color will be used.
+        """
+        self.picture = None
+        if args or kwargs:
+            self._textPen = fn.mkPen(*args, **kwargs)
+        else:
+            self._textPen = fn.mkPen(getConfigOption('foreground'))
+        self.labelStyle['color'] = '#' + fn.colorStr(self._textPen.color())[:6]
+        self.setLabel()
+        self.update()
+
     def setScale(self, scale=None):
         """
         Set the value scaling for this axis.
@@ -1048,13 +1073,13 @@ class AxisItem(GraphicsWidget):
             p.drawLine(p1, p2)
         profiler('draw ticks')
 
-        ## Draw all text
+        # Draw all text
         if self.tickFont is not None:
             p.setFont(self.tickFont)
-        p.setPen(self.pen())
+        p.setPen(self.textPen())
         for rect, flags, text in textSpecs:
             p.drawText(rect, flags, text)
-            #p.drawRect(rect)
+
         profiler('draw text')
 
     def show(self):