From 846270fa80a761b8833dece6fcd9ca0adb6861d1 Mon Sep 17 00:00:00 2001
From: Jeremy Hu <huxingyi@msn.com>
Date: Sun, 5 Jan 2020 08:08:16 +0930
Subject: [PATCH] Add rendered model auto rotation Toggle rotation from menu
 view

---
 languages/dust3d_zh_CN.ts |  8 ++++----
 src/documentwindow.cpp    |  6 ++++++
 src/documentwindow.h      |  2 +-
 src/modelwidget.cpp       | 16 ++++++++++++++++
 src/modelwidget.h         |  3 +++
 5 files changed, 30 insertions(+), 5 deletions(-)

diff --git a/languages/dust3d_zh_CN.ts b/languages/dust3d_zh_CN.ts
index 3374a30b..b9aee422 100644
--- a/languages/dust3d_zh_CN.ts
+++ b/languages/dust3d_zh_CN.ts
@@ -390,6 +390,10 @@ Tips:
         <source>&amp;Help</source>
         <translation>帮助(&amp;H)</translation>
     </message>
+    <message>
+        <source>Toggle Rotation</source>
+        <translation>打开/关闭自动旋转</translation>
+    </message>
 </context>
 <context>
     <name>ExportPreviewWidget</name>
@@ -736,10 +740,6 @@ Tips:
         <source>Paste Color</source>
         <translation>粘贴颜色</translation>
     </message>
-    <message>
-        <source>Remeshed</source>
-        <translation type="vanished">重新网格化</translation>
-    </message>
     <message>
         <source>Poly</source>
         <translation>面数</translation>
diff --git a/src/documentwindow.cpp b/src/documentwindow.cpp
index 1e752c1c..53fbde30 100644
--- a/src/documentwindow.cpp
+++ b/src/documentwindow.cpp
@@ -727,6 +727,12 @@ DocumentWindow::DocumentWindow() :
     });
     m_viewMenu->addAction(m_toggleWireframeAction);
     
+    m_toggleRotationAction = new QAction(tr("Toggle Rotation"), this);
+    connect(m_toggleRotationAction, &QAction::triggered, [=]() {
+        m_modelRenderWidget->toggleRotation();
+    });
+    m_viewMenu->addAction(m_toggleRotationAction);
+    
     m_toggleUvCheckAction = new QAction(tr("Toggle UV Check"), this);
     connect(m_toggleUvCheckAction, &QAction::triggered, [=]() {
         m_modelRenderWidget->toggleUvCheck();
diff --git a/src/documentwindow.h b/src/documentwindow.h
index 0fa8af8c..0f98e5bf 100644
--- a/src/documentwindow.h
+++ b/src/documentwindow.h
@@ -168,7 +168,7 @@ private:
     QAction *m_resetModelWidgetPosAction;
     QAction *m_toggleWireframeAction;
     QAction *m_toggleUvCheckAction;
-    QAction *m_showMotionsListAction;
+    QAction *m_toggleRotationAction;
     
     QMenu *m_windowMenu;
     QAction *m_showPartsListAction;
diff --git a/src/modelwidget.cpp b/src/modelwidget.cpp
index 145387e8..f9afaa72 100644
--- a/src/modelwidget.cpp
+++ b/src/modelwidget.cpp
@@ -211,6 +211,22 @@ void ModelWidget::toggleWireframe()
     update();
 }
 
+void ModelWidget::toggleRotation()
+{
+    if (nullptr != m_rotationTimer) {
+        delete m_rotationTimer;
+        m_rotationTimer = nullptr;
+    } else {
+        m_rotationTimer = new QTimer(this);
+        m_rotationTimer->setInterval(42);
+        m_rotationTimer->setSingleShot(false);
+        connect(m_rotationTimer, &QTimer::timeout, this, [&]() {
+            setYRotation(m_yRot - 8);
+        });
+        m_rotationTimer->start();
+    }
+}
+
 void ModelWidget::toggleUvCheck()
 {
     if (m_meshBinder.isCheckUvEnabled())
diff --git a/src/modelwidget.h b/src/modelwidget.h
index 2e9d08a8..8dac79c8 100644
--- a/src/modelwidget.h
+++ b/src/modelwidget.h
@@ -8,6 +8,7 @@
 #include <QMutex>
 #include <QRubberBand>
 #include <QVector2D>
+#include <QTimer>
 #include "meshloader.h"
 #include "modelshaderprogram.h"
 #include "modelmeshbinder.h"
@@ -36,6 +37,7 @@ public:
     void updateMesh(MeshLoader *mesh);
     void setGraphicsFunctions(SkeletonGraphicsFunctions *graphicsFunctions);
     void toggleWireframe();
+    void toggleRotation();
     void toggleUvCheck();
     void enableMove(bool enabled);
     void enableZoom(bool enabled);
@@ -93,6 +95,7 @@ private:
     QPoint m_moveStartPos;
     QRect m_moveStartGeometry;
     int m_modelInitialHeight = 0;
+    QTimer *m_rotationTimer = nullptr;
     std::pair<QVector3D, QVector3D> screenPositionToMouseRay(const QPoint &screenPosition);
 };