Add 3D MPR entrance.

src/Combinear.css

@@ -251,6 +251,15 @@ QSlider::handle:horizontal:disabled
 }
 
 VolumeRenderingWindow#volumeWin{
-	border:1px solid #cdcdcd;
+	border:1px solid #5a5a5a;
 	border-top:1px solid #333333;
 }
+
+MPRResliceWindow#MPRWin{
+	border:1px solid #5a5a5a;
+	border-top:1px solid #333333;
+}
+
+QSplitter::handle {
+	background: #5a5a5a;
+}

src/src/UI/Widget/ToolBar/DefaultToolBar.cpp

@@ -421,6 +421,8 @@ void DefaultToolBar::initMPRButton(){
     mBtnMPR->setToolTip(QString("MPR"));
     QMenu *m = new QMenu(this);
     auto group = new QActionGroup(this);
+    auto actionMPR= m->addAction(tr("3D MPR"));
+    m->addSeparator();
     auto actionCoronal = m->addAction(tr("Coronal"));
     auto actionSagittal =m->addAction(tr("Sagittal"));
     auto actionAxial = m->addAction(tr("Axial"));
@@ -428,6 +430,9 @@ void DefaultToolBar::initMPRButton(){
     actionSagittal->setCheckable(true);
     actionAxial->setCheckable(true);
 
+    connect(actionMPR, &QAction::triggered,[=](){
+        emit requestMPR();
+    });
     connect(group, &QActionGroup::triggered, this, [=](QAction* action) {
         for (int i = 0; i < 3; ++i) {
             if (m->actions()[i]==action) {

src/src/UI/Widget/ToolBar/DefaultToolBar.h

@@ -42,6 +42,7 @@ signals:
     void transform(TransFormType type);
     void showMeta();
     void volumeRendering();
+    void requestMPR();
     void referenceLineStateChange(bool isShow);
 private:
     QAction *addButton(QToolButton *button, const char *objectName);

src/src/UI/Window/QDicomViewer.cpp

@@ -14,6 +14,7 @@
 #include "UI/Manager/ImageViewManager.h"
 #include "UI/Widget/Component/gridpopwidget.h"
 #include "UI/Window/VolumeRenderingWindow.h"
+#include "UI/Window/MPRResliceWindow.h"
 #include "UI/Widget/cine/pqVCRToolbar.h"
 
 
@@ -176,6 +177,14 @@ void QDicomViewer::initViewOperation() {
         }
     });
     // MPR
+    connect(ui->toolBar, &DefaultToolBar::requestMPR,[=](){
+        auto mprWin = new MPRResliceWindow(this);
+        connect(mprWin,&QDialog::finished,[=](){
+            mprWin->deleteLater();
+        });
+        mprWin->show();
+        mprWin->loadData(ui->viewContainer->getViewManager()->getCurrentView()->getSeriesInstance());
+    });
     connect(ui->toolBar, &DefaultToolBar::changeReconPlane,
             ui->viewContainer->getViewManager(), &ImageViewManager::changeReconPlane);
     connect(ui->toolBar, &DefaultToolBar::volumeRendering,[=](){