Add native error handler for systray

csrc/SystrayErrorHandler.c

@@ -0,0 +1,27 @@
+#include <SystrayErrorHandler.h>
+
+
+static Window lastErrorWindow = 0;
+
+
+static int systrayErrorHandler (Display *display, XErrorEvent *event)
+{
+	if (event->error_code == BadWindow) {
+		lastErrorWindow = event->resourceid;
+	}
+
+	return 0;
+}
+
+void setSystrayErrorHandler (void)
+{
+	lastErrorWindow = 0;
+	XSetErrorHandler(systrayErrorHandler);
+}
+
+Window getLastErrorWindow (void)
+{
+	Window ret = lastErrorWindow;
+	lastErrorWindow = 0;
+	return ret;
+}