From 2800bf7c467d7f3cfa9da38cf26c0e7c5a252caf Mon Sep 17 00:00:00 2001
From: huxingyi <huxingyi@msn.com>
Date: Wed, 25 Mar 2020 21:10:44 +0930
Subject: [PATCH] Update cut face model preview Cut face will show as flat
 front view

---
 src/cutfacewidget.cpp |  3 +++
 src/modelwidget.cpp   | 10 +++++++---
 src/modelwidget.h     |  4 ++++
 src/partwidget.cpp    | 14 ++++++++++++++
 4 files changed, 28 insertions(+), 3 deletions(-)

diff --git a/src/cutfacewidget.cpp b/src/cutfacewidget.cpp
index 90614677..b2ff2449 100644
--- a/src/cutfacewidget.cpp
+++ b/src/cutfacewidget.cpp
@@ -11,6 +11,9 @@ CutFaceWidget::CutFaceWidget(const Document *document, QUuid partId) :
     m_previewWidget->setFixedSize(Theme::cutFacePreviewImageSize, Theme::cutFacePreviewImageSize);
     m_previewWidget->enableMove(false);
     m_previewWidget->enableZoom(false);
+    m_previewWidget->setXRotation(0);
+    m_previewWidget->setYRotation(0);
+    m_previewWidget->setZRotation(0);
 
     setFixedSize(Theme::cutFacePreviewImageSize, CutFaceWidget::preferredHeight());
 
diff --git a/src/modelwidget.cpp b/src/modelwidget.cpp
index 07660d39..afe4df33 100644
--- a/src/modelwidget.cpp
+++ b/src/modelwidget.cpp
@@ -15,11 +15,15 @@ const QVector3D ModelWidget::m_cameraPosition = QVector3D(0, 0, -4.0);
 float ModelWidget::m_minZoomRatio = 5.0;
 float ModelWidget::m_maxZoomRatio = 80.0;
 
+int ModelWidget::m_defaultXRotation = 30 * 16;
+int ModelWidget::m_defaultYRotation = -45 * 16;
+int ModelWidget::m_defaultZRotation = 0;
+
 ModelWidget::ModelWidget(QWidget *parent) :
     QOpenGLWidget(parent),
-    m_xRot(30 * 16),
-    m_yRot(-45 * 16),
-    m_zRot(0),
+    m_xRot(m_defaultXRotation),
+    m_yRot(m_defaultYRotation),
+    m_zRot(m_defaultZRotation),
     m_program(nullptr),
     m_moveStarted(false),
     m_moveEnabled(true),
diff --git a/src/modelwidget.h b/src/modelwidget.h
index 87e32649..4f156447 100644
--- a/src/modelwidget.h
+++ b/src/modelwidget.h
@@ -98,6 +98,10 @@ private:
     int m_modelInitialHeight = 0;
     QTimer *m_rotationTimer = nullptr;
     std::pair<QVector3D, QVector3D> screenPositionToMouseRay(const QPoint &screenPosition);
+public:
+    static int m_defaultXRotation;
+    static int m_defaultYRotation;
+    static int m_defaultZRotation;
 };
 
 #endif
diff --git a/src/partwidget.cpp b/src/partwidget.cpp
index ff79a5e8..13df4637 100644
--- a/src/partwidget.cpp
+++ b/src/partwidget.cpp
@@ -9,6 +9,7 @@
 #include <QSizePolicy>
 #include <QCheckBox>
 #include <QLabel>
+#include <QRadioButton>
 #include "partwidget.h"
 #include "theme.h"
 #include "floatnumberwidget.h"
@@ -795,6 +796,19 @@ void PartWidget::updatePreview()
     //m_previewLabel->setPixmap(QPixmap::fromImage(part->preview));
     MeshLoader *previewMesh = part->takePreviewMesh();
     m_previewWidget->updateMesh(previewMesh);
+    if (PartTarget::CutFace == part->target) {
+        if (0 != m_previewWidget->xRot()) {
+            m_previewWidget->setXRotation(0);
+            m_previewWidget->setYRotation(0);
+            m_previewWidget->setZRotation(0);
+        }
+    } else {
+        if (0 == m_previewWidget->xRot()) {
+            m_previewWidget->setXRotation(ModelWidget::m_defaultXRotation);
+            m_previewWidget->setYRotation(ModelWidget::m_defaultYRotation);
+            m_previewWidget->setZRotation(ModelWidget::m_defaultZRotation);
+        }
+    }
 }
 
 void PartWidget::updateLockButton()