From df49a6e07df23e4475cf4d136fb2cb92a312a1cf Mon Sep 17 00:00:00 2001
From: VitorVieiraZ <vmvieira8@outlook.com>
Date: Fri, 23 Aug 2024 11:12:49 -0300
Subject: [PATCH] new properties

---
 app/maptools/measurementmaptool.cpp | 15 ++++++++++-----
 app/maptools/measurementmaptool.h   |  3 +++
 app/qml/map/MMMeasurementTools.qml  | 20 +++++++-------------
 3 files changed, 20 insertions(+), 18 deletions(-)

diff --git a/app/maptools/measurementmaptool.cpp b/app/maptools/measurementmaptool.cpp
index f1db80c7aa..a95419141e 100644
--- a/app/maptools/measurementmaptool.cpp
+++ b/app/maptools/measurementmaptool.cpp
@@ -86,9 +86,11 @@ double MeasurementMapTool::updateDistance( const QgsPoint &crosshairPoint )
 
   QgsPoint lastPoint = mPoints.last();
 
-  double distance = QgsDistanceArea().measureLine( crosshairPoint, lastPoint );
+  QgsDistanceArea mDistanceArea;
+  mDistanceArea.setEllipsoid( QStringLiteral( "WGS84" ) );
+  mDistanceArea.setSourceCrs( mapSettings()->destinationCrs(), mapSettings()->transformContext() );
 
-  return distance;
+  return mDistanceArea.measureLine( crosshairPoint, lastPoint );
 }
 
 void MeasurementMapTool::closeShape()
@@ -106,9 +108,12 @@ void MeasurementMapTool::closeShape()
 
   setRecordedGeometry( polygonGeometry );
 
-  QgsDistanceArea distanceArea;
-  double area = distanceArea.measureArea( polygonGeometry );
-  double perimeter = distanceArea.measurePerimeter( polygonGeometry );
+  QgsDistanceArea mDistanceArea;
+  mDistanceArea.setEllipsoid( QStringLiteral( "WGS84" ) );
+  mDistanceArea.setSourceCrs( mapSettings()->destinationCrs(), mapSettings()->transformContext() );
+
+  double area = mDistanceArea.measureArea( polygonGeometry );
+  double perimeter = mDistanceArea.measurePerimeter( polygonGeometry );
 
   emit shapeAreaAndPerimeter( area , perimeter );
   emit canCloseShape( false );
diff --git a/app/maptools/measurementmaptool.h b/app/maptools/measurementmaptool.h
index d56e9bf933..01904ad8f0 100644
--- a/app/maptools/measurementmaptool.h
+++ b/app/maptools/measurementmaptool.h
@@ -49,6 +49,9 @@ class MeasurementMapTool : public AbstractMapTool
     const QgsGeometry &recordedGeometry() const;
     void setRecordedGeometry( const QgsGeometry &newRecordedGeometry );
 
+    QgsVectorLayer *activeLayer() const;
+    void setActiveLayer( QgsVectorLayer *newActiveLayer );
+
   signals:
     void recordedGeometryChanged( const QgsGeometry &recordedGeometry );
 
diff --git a/app/qml/map/MMMeasurementTools.qml b/app/qml/map/MMMeasurementTools.qml
index 3bb9f55fc3..32e52a1f9a 100644
--- a/app/qml/map/MMMeasurementTools.qml
+++ b/app/qml/map/MMMeasurementTools.qml
@@ -25,21 +25,18 @@ Item {
 
   signal finishMeasurement()
 
+  Component.onCompleted: map.mapSettings.extentChanged.connect( onScreenPositionChanged )
+  Component.onDestruction: map.mapSettings.extentChanged.disconnect( onScreenPositionChanged )
+
   MM.MeasurementMapTool {
     id: mapTool
     mapSettings: root.map.mapSettings
 
-    onCanCloseShape: function( canClose ) {
-        measurePanel.canCloseShape = canClose;
-    }
-
+    onCanCloseShape: function( canClose ) { measurePanel.canCloseShape = canClose; }
+    onCanUndo: function( canUndo ) { measurePanel.canUndo = canUndo; }
     onShapeAreaAndPerimeter: function( area, perimeter) {
-      measurePanel.area = area.toFixed( 1 ) + " m²";;
-      measurePanel.perimeter = perimeter.toFixed( 1 ) + " m";;
-    }
-
-    onCanUndo: function( canUndo ) {
-        measurePanel.canUndo = canUndo;
+      measurePanel.area = area.toFixed( 1 ) + " m²";
+      measurePanel.perimeter = perimeter.toFixed( 1 ) + " m";
     }
   }
 
@@ -147,7 +144,4 @@ Item {
     measurePanel.canCloseShape = false
     mapTool.repeat()
   }
-
-
-  Component.onCompleted: map.mapSettings.extentChanged.connect( onScreenPositionChanged )
 }