feat: add DDE_CURRENT_COMPOSITER environment

some application need check current compositer, so We have this. Log:
linuxdeepin · Jan 2, 2024 · b1fa8b1 · b1fa8b1
1 parent a3d0541
commit b1fa8b1
Showing 1 changed file with 2 additions and 0 deletions.
diff --git a/src/daemon/Display.cpp b/src/daemon/Display.cpp
@@ -550,6 +550,8 @@ namespace SDDM {
                 env.insert("WAYLAND_DEBUG", "1");
                 #endif
 
+                env.insert("DDE_CURRENT_COMPOSITER", "TreeLand");
+
                 auth->setDisplayServerCommand(QStringLiteral());
                 qInfo() << "WAYLAND_DISPLAY => " << display;
             } else {