From 309e1c4155dd923587e850fe233bbabc0e379860 Mon Sep 17 00:00:00 2001
From: hlorus <david@friedli-be.ch>
Date: Sun, 14 Jan 2024 21:32:57 +0100
Subject: [PATCH] [Sketcher] Add handlers for unified measurement facility

---
 src/Mod/Sketcher/App/AppSketcher.cpp |  6 +++-
 src/Mod/Sketcher/App/CMakeLists.txt  |  2 ++
 src/Mod/Sketcher/App/Measure.cpp     | 38 ++++++++++++++++++++++++
 src/Mod/Sketcher/App/Measure.h       | 43 ++++++++++++++++++++++++++++
 4 files changed, 88 insertions(+), 1 deletion(-)
 create mode 100644 src/Mod/Sketcher/App/Measure.cpp
 create mode 100644 src/Mod/Sketcher/App/Measure.h

diff --git a/src/Mod/Sketcher/App/AppSketcher.cpp b/src/Mod/Sketcher/App/AppSketcher.cpp
index a1190b4c25..eba2a200e6 100644
--- a/src/Mod/Sketcher/App/AppSketcher.cpp
+++ b/src/Mod/Sketcher/App/AppSketcher.cpp
@@ -41,7 +41,7 @@
 #include "SketchObjectSF.h"
 #include "SketchPy.h"
 #include "SolverGeometryExtension.h"
-
+#include "Measure.h"
 
 namespace Sketcher
 {
@@ -95,6 +95,10 @@ PyMOD_INIT_FUNC(Sketcher)
     Sketcher::Constraint ::init();
     Sketcher::PropertyConstraintList ::init();
 
+    // connect to unified measurement facility
+    Sketcher::Measure ::initialize();
+
+
     Base::Console().Log("Loading Sketcher module... done\n");
 
     PyMOD_Return(sketcherModule);
diff --git a/src/Mod/Sketcher/App/CMakeLists.txt b/src/Mod/Sketcher/App/CMakeLists.txt
index f3ee9500af..f563f04790 100644
--- a/src/Mod/Sketcher/App/CMakeLists.txt
+++ b/src/Mod/Sketcher/App/CMakeLists.txt
@@ -121,6 +121,8 @@ SET(SketchModule_SRCS
     AppSketcherPy.cpp
     PreCompiled.cpp
     PreCompiled.h
+    Measure.cpp
+    Measure.h
 )
 SOURCE_GROUP("Module" FILES ${SketchModule_SRCS})
 
diff --git a/src/Mod/Sketcher/App/Measure.cpp b/src/Mod/Sketcher/App/Measure.cpp
new file mode 100644
index 0000000000..f57e52f8ec
--- /dev/null
+++ b/src/Mod/Sketcher/App/Measure.cpp
@@ -0,0 +1,38 @@
+/***************************************************************************
+ *   Copyright (c) 2023 Wandererfan <wandererfan@gmail.com>                *
+ *                                                                         *
+ *   This file is part of FreeCAD.                                         *
+ *                                                                         *
+ *   FreeCAD is free software: you can redistribute it and/or modify it    *
+ *   under the terms of the GNU Lesser General Public License as           *
+ *   published by the Free Software Foundation, either version 2.1 of the  *
+ *   License, or (at your option) any later version.                       *
+ *                                                                         *
+ *   FreeCAD is distributed in the hope that it will be useful, but        *
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      *
+ *   Lesser General Public License for more details.                       *
+ *                                                                         *
+ *   You should have received a copy of the GNU Lesser General Public      *
+ *   License along with FreeCAD. If not, see                               *
+ *   <https://www.gnu.org/licenses/>.                                      *
+ *                                                                         *
+ **************************************************************************/
+
+//! a class for establishing our connection with the unified measurement facility
+//! we are treating sketches like Part objects for now
+
+#include "PreCompiled.h"
+
+#include <App/Application.h>
+#include <App/MeasureManager.h>
+#include "Base/Console.h"
+#include "Measure.h"
+
+
+void Sketcher::Measure::initialize()
+{
+    const App::MeasureHandler& handler = App::MeasureManager::getMeasureHandler("Part");
+
+    App::MeasureManager::addMeasureHandler("Sketcher", handler.typeCb);
+}
diff --git a/src/Mod/Sketcher/App/Measure.h b/src/Mod/Sketcher/App/Measure.h
new file mode 100644
index 0000000000..3058c79fe4
--- /dev/null
+++ b/src/Mod/Sketcher/App/Measure.h
@@ -0,0 +1,43 @@
+/***************************************************************************
+ *   Copyright (c) 2023 Wandererfan <wandererfan@gmail.com>                *
+ *                                                                         *
+ *   This file is part of FreeCAD.                                         *
+ *                                                                         *
+ *   FreeCAD is free software: you can redistribute it and/or modify it    *
+ *   under the terms of the GNU Lesser General Public License as           *
+ *   published by the Free Software Foundation, either version 2.1 of the  *
+ *   License, or (at your option) any later version.                       *
+ *                                                                         *
+ *   FreeCAD is distributed in the hope that it will be useful, but        *
+ *   WITHOUT ANY WARRANTY; without even the implied warranty of            *
+ *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU      *
+ *   Lesser General Public License for more details.                       *
+ *                                                                         *
+ *   You should have received a copy of the GNU Lesser General Public      *
+ *   License along with FreeCAD. If not, see                               *
+ *   <https://www.gnu.org/licenses/>.                                      *
+ *                                                                         *
+ **************************************************************************/
+
+//! a class for establishing our connection with the unified measurement facility
+
+#ifndef SKETCHER_MEASURE_H
+#define SKETCHER_MEASURE_H
+
+#include <Mod/Sketcher/SketcherGlobal.h>
+
+
+namespace Sketcher
+{
+
+
+class SketcherExport Measure
+{
+public:
+    static void initialize();
+};
+
+
+}  // namespace Sketcher
+
+#endif