fix: Info widget flicking on wayland

libimageviewer/imageviewer.cpp

@@ -51,6 +51,9 @@ ImageViewerPrivate::ImageViewerPrivate(imageViewerSpace::ImgViewerType imgViewer
                                        ImageViewer *parent)
     : q_ptr(parent)
 {
+    // 初始化检测wayland环境
+    Libutils::base::initCheckWaylandEnv();
+
     // 在界面前初始化授权配置
     if (!qApp) {
         qWarning() << qPrintable("Must init authorise config after QApplication initialized!");

libimageviewer/unionimage/baseutils.cpp

@@ -491,22 +491,32 @@ bool checkCommandExist(const QString &command)
     }
 }
 
+static bool g_IsWaylandEnv = false;
 /**
-   @brief 判断当前是否为 wayland 环境
+   @brief 初始化判断当前是否为 wayland 环境，并缓存状态
  */
-bool checkWayland()
+bool initCheckWaylandEnv()
 {
     auto e = QProcessEnvironment::systemEnvironment();
     QString XDG_SESSION_TYPE = e.value(QStringLiteral("XDG_SESSION_TYPE"));
     QString WAYLAND_DISPLAY = e.value(QStringLiteral("WAYLAND_DISPLAY"));
 
-    if (XDG_SESSION_TYPE == QLatin1String("wayland") || WAYLAND_DISPLAY.contains(QLatin1String("wayland"), Qt::CaseInsensitive))
+    if (XDG_SESSION_TYPE == QLatin1String("wayland") || WAYLAND_DISPLAY.contains(QLatin1String("wayland"), Qt::CaseInsensitive)) {
+        g_IsWaylandEnv = true;
         return true;
-    else {
+    } else {
         return false;
     }
 }
 
+/**
+   @return 返回当前是否为 wayland 环境
+ */
+bool checkWayland()
+{
+    return g_IsWaylandEnv;
+}
+
 }  // namespace base
 
 }  // namespace utils

libimageviewer/unionimage/baseutils.h

@@ -148,6 +148,7 @@ bool        mountDeviceExist(const QString &path);
 bool checkCommandExist(const QString &command);
 //bool        isCommandExist(const QString &command);
 
+bool        initCheckWaylandEnv();
 bool        checkWayland();
 }  // namespace base