rules: add layer and window xray rules

src/helpers/WLClasses.cpp

@@ -12,6 +12,7 @@ void SLayerSurface::applyRules() {
     forceBlur        = false;
     ignoreAlpha      = false;
     ignoreAlphaValue = 0.f;
+    xray             = -1;
 
     for (auto& rule : g_pConfigManager->getMatchingRules(this)) {
         if (rule.rule == "noanim")
@@ -29,6 +30,11 @@ void SLayerSurface::applyRules() {
                 if (!alphaValue.empty())
                     ignoreAlphaValue = std::stof(alphaValue);
             } catch (...) { Debug::log(ERR, "Invalid value passed to ignoreAlpha"); }
+        } else if (rule.rule.find("xray") == 0) {
+            CVarList vars{rule.rule, 0, ' '};
+            try {
+                xray = configStringToInt(vars[1]);
+            } catch (...) {}
         }
     }
 }