2026-06-30_18_19 缓存

scene/BarcodeEditor.cpp

@@ -281,7 +281,8 @@ void BarcodeEditor::applyCounterConfigToSysPara()
             m_sysPara->para.eleEyeClearCntInSynMode = (m_sysPara->para.eleEyeClearCntInSynMode & 0xdf); // CNT2 = current
     }
 
-    m_sysPara->devOp->writeFpgaCalandar(0);
+    if(m_sysPara->devOp)
+        m_sysPara->devOp->writeFpgaCalandar(0);
 }
 
 void BarcodeEditor::onBtnFormatClicked()
@@ -457,9 +458,11 @@ void BarcodeEditor::onContentChanged(QString content)
     else {
         if(ui->tabWidget->indexOf(m_counterEditor) == -1) {
             ui->tabWidget->addTab(m_counterEditor, tr(u8"计数器"));
-            m_counterEditor->setViewModel(makeCounterVM(m_sysPara,
-                static_cast<COUNTER_TYPE>(m_vm.counterViewModel.counterType),
-                m_vm.counterViewModel.digitalNum));
+            if(m_sysPara) {
+                m_counterEditor->setViewModel(makeCounterVM(m_sysPara,
+                    static_cast<COUNTER_TYPE>(m_vm.counterViewModel.counterType),
+                    m_vm.counterViewModel.digitalNum));
+            }
         }
         m_counterEditor->setFixedSize(ui->tabBarcode->size());
     }
@@ -594,4 +597,4 @@ void BarcodeEditor::on_cbBoxType_currentIndexChanged(int index)
     if (index == 0) return;
     m_qrcodeFormatEditor.setCodeType(ui->cbBoxType->currentText());
     onQrcodeFormatConfirmed();
-}
+}

scene/picscene.cpp

@@ -136,6 +136,10 @@ void PicScene::onFocusItemChanged(QGraphicsItem *newFocusItem, QGraphicsItem *ol
         return;
     }
 
+    connect(currFocusItem, &QObject::destroyed, this, [this](){
+        currFocusItem = nullptr;
+    });
+
     QPoint pos(currFocusItem->x(), currFocusItem->y());
     emit focusedItemPosChanged(pos);