From d5b41e12c56d0268d7234e5142c6a0703e03bd2f Mon Sep 17 00:00:00 2001
From: Tyler Goodlet <jgbt@protonmail.com>
Date: Sun, 21 Feb 2021 11:45:24 -0500
Subject: [PATCH] Add crosshair hide/show convenience methods

---
 piker/ui/_graphics/_cursor.py | 19 +++++++++++++++++--
 1 file changed, 17 insertions(+), 2 deletions(-)

diff --git a/piker/ui/_graphics/_cursor.py b/piker/ui/_graphics/_cursor.py
index 6b6f9697..e8cd8892 100644
--- a/piker/ui/_graphics/_cursor.py
+++ b/piker/ui/_graphics/_cursor.py
@@ -24,7 +24,7 @@ import inspect
 import numpy as np
 import pyqtgraph as pg
 from PyQt5 import QtCore, QtGui
-from PyQt5.QtCore import QPointF
+from PyQt5.QtCore import QPointF, QRectF
 
 from .._style import (
     _xaxis_at,
@@ -413,8 +413,23 @@ class Cursor(pg.GraphicsObject):
 
         self._datum_xy = ix, iy
 
-    def boundingRect(self):
+    def boundingRect(self) -> QRectF:
         try:
             return self.active_plot.boundingRect()
         except AttributeError:
             return self.plots[0].boundingRect()
+
+    def show_xhair(self) -> None:
+        plot = self.active_plot
+        g = self.graphics[self.active_plot]
+        # show horiz line and y-label
+        g['hl'].show()
+        g['vl'].show()
+        g['yl'].show()
+
+    def hide_xhair(self) -> None:
+        plot = self.active_plot
+        g = self.graphics[self.active_plot]
+        g['hl'].hide()
+        g['vl'].hide()
+        g['yl'].hide()