1 files changed, 21 insertions, 0 deletions
diff --git a/src/ui/style/Condition.cpp b/src/ui/style/Condition.cpp
index b68fd0ee..f7cdf7fd 100644
--- a/src/ui/style/Condition.cpp
+++ b/src/ui/style/Condition.cpp
@@ -4,6 +4,7 @@
 #include "cru/common/ClonablePtr.h"
 #include "cru/common/Event.h"
 #include "cru/ui/controls/Control.h"
+#include "cru/ui/controls/ICheckableControl.h"
 #include "cru/ui/controls/IClickableControl.h"
 #include "cru/ui/helper/ClickDetector.h"
 
@@ -81,4 +82,24 @@ bool ClickStateCondition::Judge(controls::Control* control) const {
   }
   return false;
 }
+
+CheckedCondition::CheckedCondition(bool checked) : checked_(checked) {}
+
+std::vector<IBaseEvent*> CheckedCondition::ChangeOn(
+    controls::Control* control) const {
+  auto checkable_control = dynamic_cast<controls::ICheckableControl*>(control);
+  if (checkable_control) {
+    return {checkable_control->CheckedChangeEvent()};
+  } else {
+    return {};
+  }
+}
+
+bool CheckedCondition::Judge(controls::Control* control) const {
+  auto checkable_control = dynamic_cast<controls::ICheckableControl*>(control);
+  if (checkable_control) {
+    return checkable_control->IsChecked() == checked_;
+  }
+  return false;
+}
 }  // namespace cru::ui::style