fix(frontend): Selection canceled with 'Show More' button clicked.

Description: 修复点击显示更多按钮时列表选中项被取消的问题

Log: 修复点击显示更多按钮时列表选中项被取消的问题

src/control/search-list-view.cpp

@@ -76,7 +76,13 @@ void SearchListView::appendItem(QString path) {
  */
 void SearchListView::setList(QStringList list)
 {
-    m_model->appendList(list);
+    QModelIndex index = this->currentIndex();
+    m_model->setList(list);
+    if (index.row() >= 0 && index.row() < list.length()) {
+        this->blockSignals(true);
+        this->setCurrentIndex(index);
+        this->blockSignals(false);
+    }
     rowheight = this->rowHeight(this->model()->index(0, 0, QModelIndex()));
     this->setFixedHeight(m_item->getCurrentSize() * rowheight + 4);
 }

src/model/search-item-model.cpp

@@ -149,10 +149,10 @@ void SearchItemModel::appendItem(QString path) {
 }
 
 /**
- * @brief SearchItemModel::appendList 直接以列表形式添加搜索结果
+ * @brief SearchItemModel::setList 直接以列表形式添加搜索结果
  * @param list
  */
-void SearchItemModel::appendList(QStringList list)
+void SearchItemModel::setList(QStringList list)
 {
     this->beginResetModel();
     m_item->m_pathlist = list;

src/model/search-item-model.h

@@ -53,7 +53,7 @@ public:
     void setItem(SearchItem *);
 
     void appendItem(QString);
-    void appendList(QStringList);
+    void setList(QStringList);
     void removeItem(QString);
     void clear();