From c1fe78ead6a2621694db67a95335ad34217eaba9 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C4=BDubo=C5=A1?= <lubos@iiteam.eu>
Date: Thu, 5 Oct 2023 15:37:23 +0200
Subject: [PATCH] Use distance unit from project's CRS for Stakeout panel
 (#2826)

* Use distance unit from project's CRS for Stakeout panel

* Use QGis functions for converting distance units

* Use distance unit from QGis projekt in Stakeout panel
---
 app/inpututils.cpp        | 16 ++++++++++++++++
 app/inpututils.h          |  1 +
 app/qml/StakeoutPanel.qml |  2 +-
 3 files changed, 18 insertions(+), 1 deletion(-)

diff --git a/app/inpututils.cpp b/app/inpututils.cpp
index 48a295773..b5333c2ad 100644
--- a/app/inpututils.cpp
+++ b/app/inpututils.cpp
@@ -160,6 +160,22 @@ QString InputUtils::formatNumber( const double number, int precision )
   return QString::number( number, 'f', precision );
 }
 
+QString InputUtils::formatDistanceInProjectUnit( const double distanceInMeters, int precision )
+{
+  Qgis::DistanceUnit distUnit = QgsProject::instance()->distanceUnits();
+
+  if ( distUnit == Qgis::DistanceUnit::Unknown )
+  {
+    return QString::number( distanceInMeters, 'f', precision );
+  }
+
+  double factor = QgsUnitTypes::fromUnitToUnitFactor( Qgis::DistanceUnit::Meters, distUnit );
+  double distance = distanceInMeters * factor;
+  QString abbreviation = QgsUnitTypes::toAbbreviatedString( distUnit );
+
+  return QString( "%1 %2" ).arg( QString::number( distance, 'f', precision ), abbreviation );
+}
+
 QString InputUtils::formatDateTimeDiff( const QDateTime &tMin, const QDateTime &tMax )
 {
   qint64 daysDiff = tMin.daysTo( tMax );
diff --git a/app/inpututils.h b/app/inpututils.h
index 78a9d1001..e930a2fff 100644
--- a/app/inpututils.h
+++ b/app/inpututils.h
@@ -75,6 +75,7 @@ class InputUtils: public QObject
     Q_INVOKABLE QString getFileName( const QString &filePath );
     Q_INVOKABLE QString formatProjectName( const QString &fullProjectName );
     Q_INVOKABLE QString formatNumber( const double number, int precision = 1 );
+    Q_INVOKABLE QString formatDistanceInProjectUnit( const double distanceInMeters, int precision = 1 );
     Q_INVOKABLE void setExtentToFeature( const FeatureLayerPair &pair, InputMapSettings *mapSettings, double panelOffsetRatio );
 
     // utility functions to extract information from map settings
diff --git a/app/qml/StakeoutPanel.qml b/app/qml/StakeoutPanel.qml
index 49dc46fdf..73c9edeee 100644
--- a/app/qml/StakeoutPanel.qml
+++ b/app/qml/StakeoutPanel.qml
@@ -240,7 +240,7 @@ Item {
             width: parent.width / 2
 
             titleText: qsTr( "Distance" )
-            text: remainingDistance >= 0 ?__inputUtils.formatNumber( remainingDistance, 2 ) + " m" : "N/A m"
+            text: remainingDistance >= 0 ?__inputUtils.formatDistanceInProjectUnit( remainingDistance, 2 ) : "N/A"
 
             titleComponent.wrapMode: Text.NoWrap
             titleComponent.elide: Text.ElideRight