重写了删除请求列表中对象的函数

include/queryListItem.h

@@ -19,6 +19,10 @@ public:
 
     void SetColumnName();
 
+    int query_type;
+
+    int target_node_id;
+
 private:
     /**
      * 请求的类型

src/centralwidget.cpp

@@ -39,6 +39,9 @@ void CentralWidget::SetControlConnection()
     // 处理添加请求事件
     QObject::connect(this, &CentralWidget::AppendQuerySignal,
                      controller, &BusControllerModel::AddQuerySlot);
+
+    QObject::connect(controller, &BusControllerModel::DeleteQuerySignal,
+                     this, &CentralWidget::DeleteQueryItemSlot);
 }
 
 void CentralWidget::SetWidgetConnection()
@@ -87,21 +90,32 @@ void CentralWidget::AppendQueryItemSlot(int query_type, int node_id)
     ui->query_list->setItemWidget(widget_item, item);
 }
 
-void CentralWidget::DeleteQueryItemSlot(int query_id)
+void CentralWidget::DeleteQueryItemSlot(bus_query_t *query)
 {
-    // 由于表头的存在，且请求的编号从1开始，请求的编号恰好就是请求在列表中的位置
-    QListWidgetItem *deleted_widget = ui->query_list->takeItem(query_id);
+    // 由于请求列表头的存在，编号从1开始
+    int query_id = 1;
 
-    auto itor = query_items.begin();
+    for(auto itor = query_items.begin(); itor != query_items.end(); ++itor)
+    {
+        if((*itor)->query_type == query->type and (*itor)->target_node_id == query->node->id)
+        {
+            break;
+        }
+        query_id++;
+    }
+
+     QListWidgetItem *deleted_item = ui->query_list->takeItem(query_id);
+
+    auto pos = query_items.begin();
 
     for(int i = 0; i < query_id; i++)
     {
-        ++itor;
+        ++pos;
     }
 
-    delete deleted_widget;
-    delete *itor;
-    query_items.erase(itor);
+    delete deleted_item;
+    query_items.erase(pos);
+    delete *pos;
 }
 
 void CentralWidget::AddQueryButtonClicked()

src/header/centralwidget.h

@@ -47,9 +47,9 @@ public slots:
 
     /**
      * 处理删除一个请求的槽函数
-     * @param query_id 请求的编号
+     * @param query 请求的编号
      */
-    void DeleteQueryItemSlot(int query_id);
+    void DeleteQueryItemSlot(bus_query_t *query);
 
     /**
      * 处理点击添加请求按钮的槽函数

src/queryListItem.cpp

@@ -6,6 +6,9 @@
 
 QueryListItem::QueryListItem(const int &type, const int &node_id) : QWidget()
 {
+    query_type = type;
+    target_node_id = node_id;
+
     QFont font("Microsoft YaHei", 10, 75);
     layout = new QHBoxLayout(this);