Disable multi-viewports under WSL

Author: Fexty12573

src/application.cpp

@@ -141,7 +141,15 @@ int Application::run(int argc, char** argv) {
     ImGuiIO& io = ImGui::GetIO();
     io.ConfigFlags |= ImGuiConfigFlags_NavEnableKeyboard;
     io.ConfigFlags |= ImGuiConfigFlags_DockingEnable;
+
+#ifdef _WIN32
     io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;
+#else
+    // Multi-viewport doesn't work very well under WSL
+    if (!Application::isRunningUnderWSL()) {
+        io.ConfigFlags |= ImGuiConfigFlags_ViewportsEnable;
+    }
+#endif
 
     m_iniFilename = (getConfigPath() / "nitroefx.ini").string();
     io.IniFilename = m_iniFilename.c_str();
@@ -2083,6 +2091,26 @@ std::optional<AppVersion> Application::findLatestVersion() {
     return getNewestVersion(versions);
 }
 
+bool Application::isRunningUnderWSL() {
+#ifdef _WIN32
+    return false;
+#else
+    try {
+        std::ifstream osrelease("/proc/sys/kernel/osrelease");
+        if (!osrelease.is_open()) {
+            return false;
+        }
+        std::string line;
+        std::getline(osrelease, line);
+        osrelease.close();
+
+        return line.contains("microsoft") || line.contains("WSL");
+    } catch (...) {
+        return false;
+    }
+#endif
+}
+
 void Application::applyUpdateNow(const std::filesystem::path& binaryPath, bool relaunch) {
     const auto currentExecutable = getExecutablePath();
 

src/application.h

@@ -77,7 +77,7 @@ class Application {
 
     static int update(const std::filesystem::path& srcPath, const std::filesystem::path& dstPath, unsigned long pid, bool relaunch);
 
-    static constexpr auto VERSION = "v1.2.2-rc3";
+    static constexpr auto VERSION = "v1.2.2-rc4";
 
 private:
     void pollEvents();
@@ -117,6 +117,8 @@ class Application {
 
     std::optional<AppVersion> findLatestVersion();
 
+    static bool isRunningUnderWSL();
+
     static size_t writeBodyCallback(char* ptr, size_t size, size_t nmemb, void* userdata);
     static size_t writeHeaderCallback(char* ptr, size_t size, size_t nmemb, void* userdata);
     static size_t writeFileCallback(char* ptr, size_t sz, size_t nm, void* ud);