Background worker.

src/src/Common/Worker/WorkerManager.cpp

@@ -0,0 +1,24 @@
+//
+// Created by Krad on 2022/7/28.
+//
+
+#include "WorkerManager.h"
+
+WorkerManager::WorkerManager(QObject *parent) : QObject(parent) {
+
+}
+
+WorkerManager::~WorkerManager() {
+    mWorkThread.quit();
+    mWorkThread.wait();
+}
+
+void WorkerManager::registerWorker(QObject *worker) {
+    worker->moveToThread(&mWorkThread);
+    // 该线程结束时销毁
+    connect(&mWorkThread, &QThread::finished, worker, &QObject::deleteLater);
+
+    if(!mWorkThread.isRunning()){
+        mWorkThread.start();
+    }
+}

src/src/Common/Worker/WorkerManager.h

@@ -0,0 +1,25 @@
+//
+// Created by Krad on 2022/7/28.
+//
+
+#ifndef OMEGAV_WORKERMANAGER_H
+#define OMEGAV_WORKERMANAGER_H
+
+#include <QObject>
+#include <QThread>
+
+class WorkerManager:public QObject {
+    Q_OBJECT
+public:
+    explicit WorkerManager(QObject *parent = nullptr);
+
+    ~WorkerManager() override ;
+
+    void registerWorker(QObject* worker);
+
+private:
+    QThread mWorkThread;
+};
+
+
+#endif //OMEGAV_WORKERMANAGER_H

src/src/UI/Manager/ImageViewManager.cpp

@@ -87,14 +87,13 @@ void ImageViewManager::clear(){
     }
 }
 
-
 void ImageViewManager::setCurrentView(DicomImageView *view) {
     if (currentView != view) {
         if (currentView) currentView->setHighlight(false);
         currentView = view;
         currentView->setHighlight(true);
-        emit currentViewChanged(currentView->getSeriesInstance()->getUniqueID());
+        emit currentViewReload(view);
-        checkCurrentViewFusion();
+//        emit currentViewChanged(currentView->getSeriesInstance()->getUniqueID());
     }
 }
 
@@ -265,11 +264,11 @@ void ImageViewManager::viewReload(const std::string &unique_info) {
     DicomLoader *helper = DicomLoader::GetInstance();
     currentView->loadSeries(helper->getSeriesImageSet(unique_info));
     currentView->render();
-    checkCurrentViewFusion();
+    emit currentViewReload(currentView);
 }
 
-void ImageViewManager::viewCleared() {
+void ImageViewManager::viewCleared(DicomImageView* view) {
-    emit fusionCheckStateChanged(false);
+    emit currentViewReload(view);
 }
 
 void ImageViewManager::setInteractionMode(int InteractionMode) {
@@ -302,6 +301,7 @@ void ImageViewManager::activeMeasure() {
 
 void ImageViewManager::switchSliceOrientation() {
     currentView->setSliceOrientation((currentView->getSliceOrientation() + 1) % 3);
+    emit currentViewReload(currentView);
 }
 
 //Corner about-----------------------------------------------------------------
@@ -344,17 +344,16 @@ void ImageViewManager::switchFusion() {
     }
 }
 
-void ImageViewManager::checkCurrentViewFusion() {
+bool ImageViewManager::checkViewFusion(DicomImageView *view) {
     for (int i = 0; i < getViewCount(); ++i) {
-        if (getView(i) == getCurrentView()) continue;
+        if (getView(i) == view) continue;
         DicomImageView *overlap_view = getView(i);
-        if (currentView->checkFusion(overlap_view)) {
+        if (view->checkFusion(overlap_view)) {
             currentFusionView = overlap_view;
-            emit fusionCheckStateChanged(true);
+            return true;
-            return;
         }
     }
     currentFusionView = nullptr;
-    emit fusionCheckStateChanged(false);
+    return false;
 }
 

src/src/UI/Manager/ImageViewManager.h

@@ -40,7 +40,7 @@ public:
         return currentView;
     }
 
-    void checkCurrentViewFusion();
+    bool checkViewFusion(DicomImageView *view);
 
     int getViewCount() {
         return vList.size();
@@ -74,7 +74,7 @@ public:
 
     void viewReload(const std::string &unique_info);
 
-    void viewCleared();
+    void viewCleared(DicomImageView* view);
 
     void setInteractionMode(int InteractionMode);
 
@@ -110,7 +110,8 @@ public:
                  DoScope scope = Current);
 
 signals:
-    void currentViewChanged(const std::string& seriesID);
+//    void currentViewChanged(const std::string& seriesID);
+    void currentViewReload( DicomImageView * view);
     void fusionCheckStateChanged(bool able);
 
 private:

src/src/UI/Manager/ImageViewStateCheckWorker.cpp

@@ -0,0 +1,26 @@
+//
+// Created by Krad on 2022/7/28.
+//
+
+#include "ImageViewStateCheckWorker.h"
+
+#include "ImageViewManager.h"
+
+
+ImageViewStateCheckWorker::ImageViewStateCheckWorker(QObject *parent) : QObject(parent) {
+    qRegisterMetaType<ViewFunctionState>("ViewFunctionState");
+}
+
+ImageViewStateCheckWorker::~ImageViewStateCheckWorker() {
+
+}
+
+void ImageViewStateCheckWorker::checkImageViewState(DicomImageView *view) {
+    if (!mManager || !view) return;
+    QThread::sleep(2);
+    ViewFunctionState state;
+    state.canSync=false;
+    state.canMPR=true;
+    state.canFusion=true;
+    emit imageViewStateChanged(state);
+}

src/src/UI/Manager/ImageViewStateCheckWorker.h

@@ -0,0 +1,39 @@
+//
+// Created by Krad on 2022/7/28.
+//
+
+#ifndef OMEGAV_IMAGEVIEWSTATECHECKWORKER_H
+#define OMEGAV_IMAGEVIEWSTATECHECKWORKER_H
+
+#include <QObject>
+
+class DicomImageView;
+class ImageViewManager;
+
+struct ViewFunctionState{
+    bool canSync;
+    bool canMPR;
+    bool canFusion;
+};
+
+class ImageViewStateCheckWorker: public QObject {
+    Q_OBJECT
+public:
+    explicit ImageViewStateCheckWorker(QObject *parent = nullptr);
+
+    ~ImageViewStateCheckWorker() override;
+
+    void checkImageViewState(DicomImageView* view);
+
+    void setManager(ImageViewManager* manager){
+        mManager = manager;
+    }
+signals:
+    void imageViewStateChanged(ViewFunctionState state);
+
+private:
+    ImageViewManager* mManager;
+};
+
+
+#endif //OMEGAV_IMAGEVIEWSTATECHECKWORKER_H

src/src/UI/Window/QDicomViewer.cpp

@@ -177,6 +177,24 @@ void QDicomViewer::createToolButton() {
         syncStateChanged();
         ui->viewContainer->getViewManager()->switchSliceOrientation();
     });
+    btnMPR->setEnabled(false);
+    mprBtn = btnMPR;
+    fusionBtn = btnfusion;
+    connect(ui->viewContainer->getViewManager(),
+            &ImageViewManager::currentViewReload,[=](){
+                btnfusion->setEnabled(false);
+                btnMPR->setEnabled(false);
+                SyncHelper::setSyncState(DIS_SYNC);
+                syncStateChanged();
+    });
+
+    worker.setManager(ui->viewContainer->getViewManager());
+    connect(ui->viewContainer->getViewManager(),
+            &ImageViewManager::currentViewReload,
+            &worker,&ImageViewStateCheckWorker::checkImageViewState, Qt::QueuedConnection);
+    connect(&worker,&ImageViewStateCheckWorker::imageViewStateChanged,
+            this,&QDicomViewer::resetToolBarButtons, Qt::QueuedConnection);
+    workerManager.registerWorker(&worker);
 }
 
 void QDicomViewer::SetupFullScreenTool(QToolButton *btnfullscreen) {
@@ -385,10 +403,6 @@ void QDicomViewer::SetupFusionTool(QToolButton *fusionBtn) {
     fusionBtn->setPopupMode(QToolButton::MenuButtonPopup);
     fusionBtn->setMenu(m);
     fusionBtn->setEnabled(false);
-    connect(ui->viewContainer->getViewManager(),
-            &ImageViewManager::fusionCheckStateChanged,[=](bool v){
-                fusionBtn->setEnabled(v);
-    });
 }
 
 //视窗操作，slice
@@ -705,3 +719,11 @@ void QDicomViewer::openDICOM(const std::string &dicomName, SeriesOpenMode openMo
 }
 
 
+void QDicomViewer::resetToolBarButtons(ViewFunctionState state) {
+    fusionBtn->setEnabled(state.canFusion);
+    mprBtn->setEnabled(state.canMPR);
+    SyncHelper::setSyncState(state.canSync?AUTO_SYNC:DIS_SYNC);
+    syncStateChanged();
+}
+
+