From 975088963680561a165cc6c195c1971bb3d8a9aa Mon Sep 17 00:00:00 2001
From: przemek83 <4788832+przemek83@users.noreply.github.com>
Date: Thu, 9 Jan 2025 16:08:05 +0100
Subject: [PATCH] Add missing constness.

---
 include/qwtble/Quantiles.h | 3 ++-
 src/Picker.cpp             | 2 +-
 src/Picker.h               | 2 +-
 src/Quantiles.cpp          | 2 +-
 4 files changed, 5 insertions(+), 4 deletions(-)

diff --git a/include/qwtble/Quantiles.h b/include/qwtble/Quantiles.h
index 9b0a104..7d8e8ac 100644
--- a/include/qwtble/Quantiles.h
+++ b/include/qwtble/Quantiles.h
@@ -64,7 +64,8 @@ struct QWTBLE_EXPORT Quantiles
                                   double interval);
     static double calculateStdDev(int count, double EX, double EX2);
     void setQuantiles(const QVector<double>& values);
-    std::tuple<double, double> calculateEXAndEX2(const QVector<double>& values);
+    std::tuple<double, double> calculateEXAndEX2(
+        const QVector<double>& values) const;
 
     enum PlotInfo : int
     {
diff --git a/src/Picker.cpp b/src/Picker.cpp
index 2b61d59..3457292 100644
--- a/src/Picker.cpp
+++ b/src/Picker.cpp
@@ -23,7 +23,7 @@ Picker::Picker(QWidget* parent) : QwtPlotPicker(parent)
     setTrackerFont(actualFont);
 }
 
-int Picker::getAreaOfMouse()
+int Picker::getAreaOfMouse() const
 {
     const auto x = lround(invTransform(trackerPosition()).x());
     return static_cast<int>(x);
diff --git a/src/Picker.h b/src/Picker.h
index 30b58af..2a8cc8f 100644
--- a/src/Picker.h
+++ b/src/Picker.h
@@ -9,7 +9,7 @@ class Picker : public QwtPlotPicker
 public:
     explicit Picker(QWidget* parent);
 
-    int getAreaOfMouse();
+    int getAreaOfMouse() const;
 
     bool getMouseInWidget() const;
 
diff --git a/src/Quantiles.cpp b/src/Quantiles.cpp
index af22157..53b2024 100644
--- a/src/Quantiles.cpp
+++ b/src/Quantiles.cpp
@@ -64,7 +64,7 @@ void Quantiles::setQuantiles(const QVector<double>& values)
 }
 
 std::tuple<double, double> Quantiles::calculateEXAndEX2(
-    const QVector<double>& values)
+    const QVector<double>& values) const
 {
     double EX = 0;
     double EX2 = 0;