From 6159c6da137bcf03e699588ec80ca62694d10101 Mon Sep 17 00:00:00 2001
From: wmayer <wmayer@users.sourceforge.net>
Date: Thu, 25 Mar 2021 17:28:13 +0100
Subject: [PATCH] Mesh: [skip ci] use enum to define the various 2D meshing
 algorithms

---
 src/Mod/Mesh/Gui/RemeshGmsh.cpp | 29 +++++++++++++++++++----------
 1 file changed, 19 insertions(+), 10 deletions(-)

diff --git a/src/Mod/Mesh/Gui/RemeshGmsh.cpp b/src/Mod/Mesh/Gui/RemeshGmsh.cpp
index 0be6a86402..a80a5b00cf 100644
--- a/src/Mod/Mesh/Gui/RemeshGmsh.cpp
+++ b/src/Mod/Mesh/Gui/RemeshGmsh.cpp
@@ -92,16 +92,25 @@ GmshWidget::GmshWidget(QWidget* parent, Qt::WindowFlags fl)
     d->syntax = new Gui::DockWnd::ReportHighlighter(d->ui.outputWindow);
     d->ui.outputWindow->setReadOnly(true);
 
-    // Meshing algorithms
-    // 1=MeshAdapt, 2=Automatic, 5=Delaunay, 6=Frontal, 7=BAMG, 8=Frontal Quad,
-    // 9=Packing of Parallelograms
-    d->ui.method->addItem(tr("Automatic"), static_cast<int>(2));
-    d->ui.method->addItem(tr("Adaptive"), static_cast<int>(1));
-    d->ui.method->addItem(QString::fromLatin1("Delaunay"), static_cast<int>(5));
-    d->ui.method->addItem(tr("Frontal"), static_cast<int>(6));
-    d->ui.method->addItem(QString::fromLatin1("BAMG"), static_cast<int>(7));
-    d->ui.method->addItem(tr("Frontal Quad"), static_cast<int>(8));
-    d->ui.method->addItem(tr("Parallelograms"), static_cast<int>(9));
+    // 2D Meshing algorithms
+    // https://gmsh.info/doc/texinfo/gmsh.html#index-Mesh_002eAlgorithm
+    enum {
+        MeshAdapt = 1,
+        Automatic = 2,
+        Delaunay = 5,
+        FrontalDelaunay = 6,
+        BAMG = 7,
+        FrontalDelaunayForQuads = 8,
+        PackingOfParallelograms = 9
+    };
+
+    d->ui.method->addItem(tr("Automatic"), static_cast<int>(Automatic));
+    d->ui.method->addItem(tr("Adaptive"), static_cast<int>(MeshAdapt));
+    d->ui.method->addItem(QString::fromLatin1("Delaunay"), static_cast<int>(Delaunay));
+    d->ui.method->addItem(tr("Frontal"), static_cast<int>(FrontalDelaunay));
+    d->ui.method->addItem(QString::fromLatin1("BAMG"), static_cast<int>(BAMG));
+    d->ui.method->addItem(tr("Frontal Quad"), static_cast<int>(FrontalDelaunayForQuads));
+    d->ui.method->addItem(tr("Parallelograms"), static_cast<int>(PackingOfParallelograms));
 }
 
 GmshWidget::~GmshWidget()