Adaptitions for kWin support on Flatpak

lib/linux/advanced-scene-switcher-nix.cpp

@@ -630,14 +630,9 @@ int ignoreXerror(Display *d, XErrorEvent *e)
 
 void PlatformInit()
 {
-	auto display = disp();
-	if (!display) {
-		return;
-	}
-
 	KWin = isKWinAvailable();
-	if (!(KWin && startKWinScript(KWinScriptObjectPath) &&
-	      registerKWinDBusListener(&notifier))) {
+	if (!(KWin && registerKWinDBusListener(&notifier) &&
+	      startKWinScript(KWinScriptObjectPath))) {
 		// something bad happened while trying to initialize
 		// the KWin script/dbus so disable it
 		KWin = false;
@@ -646,9 +641,15 @@ void PlatformInit()
 		blog(LOG_INFO, "using KWin compat");
 	}
 
-	initXss();
 	initProcps();
 	initProc2();
+
+	auto display = disp();
+	if (!display) {
+		return;
+	}
+
+	initXss();
 	XSetErrorHandler(ignoreXerror);
 }
 

lib/linux/kwin-helpers.cpp

@@ -5,6 +5,7 @@
 #include <QDir>
 #include <QFile>
 #include <QFileDevice>
+#include <QStandardPaths>
 #include <QTextStream>
 #include <QtDBus/QDBusConnectionInterface>
 #include <QtDBus/QDBusInterface>
@@ -97,7 +98,9 @@ bool isKWinAvailable()
 bool startKWinScript(QString &scriptObjectPath)
 {
 	const QString scriptPath =
-		"/tmp/AdvancedSceneSwitcher/KWinFocusNotifier.js";
+		QStandardPaths::writableLocation(
+			QStandardPaths::RuntimeLocation) +
+		"/AdvancedSceneSwitcher/KWinFocusNotifier.js";
 
 	const QString script =
 		R"(var adss = "com.github.AdvancedSceneSwitcher";
@@ -129,7 +132,8 @@ workspace.windowActivated.connect(function(client) {
 }))";
 
 	if (const QDir dir; !dir.mkpath(QFileInfo(scriptPath).absolutePath())) {
-		blog(LOG_ERROR, "error creating /tmp/AdvancedSceneSwitcher");
+		blog(LOG_ERROR,
+		     "error creating KWinFocusNotifier script directory");
 		return false;
 	}