From e7c11a01bec028acc2aba119a1ba381a42f9bdb8 Mon Sep 17 00:00:00 2001
From: Syres916 <46537884+Syres916@users.noreply.github.com>
Date: Mon, 27 May 2024 17:27:11 +0100
Subject: [PATCH] [Sketcher] Change HeadlightIntensity entering and exiting
 Edit Mode (#14013)

* [Sketcher] Change HeadlightIntensity entering and exiting Edit Mode

* [Gui] Fix Lint Warning

* [Sketcher] Fix Lint Warning

* [Sketcher] Remove duplicate parameter check

* [Gui] Add const
---
 src/Gui/View3DSettings.cpp                  |  8 ++++++++
 src/Mod/Sketcher/Gui/ViewProviderSketch.cpp | 15 +++++++++++++++
 2 files changed, 23 insertions(+)

diff --git a/src/Gui/View3DSettings.cpp b/src/Gui/View3DSettings.cpp
index 5caa1b3d57..86a96690da 100644
--- a/src/Gui/View3DSettings.cpp
+++ b/src/Gui/View3DSettings.cpp
@@ -69,6 +69,14 @@ int View3DSettings::stopAnimatingIfDeactivated() const
 
 void View3DSettings::applySettings()
 {
+    // Check if Sketcher Edit Mode exited cleanly
+    const int overMaxHeadlightIntensity = 101;
+    int sketcherEditLastExit = hGrp->GetInt("HeadlightIntensityExisting", overMaxHeadlightIntensity);
+    if (sketcherEditLastExit != overMaxHeadlightIntensity) {
+        // must mean a seg fault or abnormal exit last time
+        hGrp->SetInt("HeadlightIntensity", sketcherEditLastExit);
+        hGrp->RemoveInt("HeadlightIntensityExisting");
+    }
     // apply the user settings
     OnChange(*hGrp,"EyeDistance");
     OnChange(*hGrp,"CornerCoordSystem");
diff --git a/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp b/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp
index 40d31aeb88..c418e5c24c 100644
--- a/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp
+++ b/src/Mod/Sketcher/Gui/ViewProviderSketch.cpp
@@ -3231,6 +3231,13 @@ void ViewProviderSketch::unsetEdit(int ModNum)
         selection.reset();
         this->detachSelection();
 
+        ParameterGrp::handle hGrpView = App::GetApplication().GetParameterGroupByPath(
+            "User parameter:BaseApp/Preferences/View");
+
+        auto headlightIntensityExisting = hGrpView->GetInt("HeadlightIntensityExisting", 100);
+        hGrpView->SetInt("HeadlightIntensity", headlightIntensityExisting);
+        hGrpView->RemoveInt("HeadlightIntensityExisting");
+
         App::AutoTransaction trans("Sketch recompute");
         try {
             // and update the sketch
@@ -3301,6 +3308,14 @@ void ViewProviderSketch::setEditViewer(Gui::View3DInventorViewer* viewer, int Mo
         }
     }
 
+    ParameterGrp::handle hGrpView = App::GetApplication().GetParameterGroupByPath(
+        "User parameter:BaseApp/Preferences/View");
+
+    auto headlightIntensityExisting = hGrpView->GetInt("HeadlightIntensity", 100);
+    auto headlightIntensityTemp = 50;
+    hGrpView->SetInt("HeadlightIntensity", headlightIntensityTemp);
+    hGrpView->SetInt("HeadlightIntensityExisting", headlightIntensityExisting);
+
     auto editDoc = Gui::Application::Instance->editDocument();
     editDocName.clear();
     if (editDoc) {