+号图标跟随主题优化

kybackup/component/backuplistwidget.cpp

@@ -117,10 +117,8 @@ BackupListWidget::BackupListWidget(QWidget *parent /*= nullptr*/, QHBoxLayout *p
         setGridSize(QSize(this->width(), 40));
 
     // 列表为空时，展示一个“+”号图标和拖拽文件提示
-    m_plusLogo = new QLabel;
-    m_plusLogo->setFixedHeight(WIDTH_ITEM);
-    QIcon icon = QIcon::fromTheme("list-add-symbolic", QIcon(":/symbos/list-add-symbolic"));
-    m_plusLogo->setPixmap(icon.pixmap(icon.actualSize(QSize(16, 16))));
+    m_plusLogo = new PixmapLabel;
+    m_plusLogo->setThemeIconSchema("list-add-symbolic", ":/symbos/list-add-symbolic", QSize(16, 16));
     m_plusLogo->setEnabled(false);
     // 文件拖放区域
     m_plusText = new QLabel;

kybackup/component/backuplistwidget.h

@@ -8,6 +8,7 @@
 #include <QPushButton>
 #include <QHBoxLayout>
 #include "mylabel.h"
+#include "pixmaplabel.h"
 
 class MyItemWidget : public QWidget
 {
@@ -76,7 +77,7 @@ private:
     bool checkPathLimit(const QString &path);
 
 private:
-    QLabel *m_plusLogo;
+    PixmapLabel *m_plusLogo;
     QLabel *m_plusText;
     int m_type = QListWidgetItem::ItemType::UserType + 1;
     QStringList m_List;