From 4fcf336d15fe246259ee18ccc99808d80e69c455 Mon Sep 17 00:00:00 2001
From: crupest <crupest@outlook.com>
Date: Tue, 10 Nov 2020 20:29:28 +0800
Subject: ...

---
 include/cru/ui/helper/BorderStyle.hpp | 23 +++++++++++++++++
 include/cru/ui/helper/Styler.hpp      | 47 +++++++++++++++++++++++++++++++++++
 2 files changed, 70 insertions(+)
 create mode 100644 include/cru/ui/helper/BorderStyle.hpp
 create mode 100644 include/cru/ui/helper/Styler.hpp

(limited to 'include')

diff --git a/include/cru/ui/helper/BorderStyle.hpp b/include/cru/ui/helper/BorderStyle.hpp
new file mode 100644
index 00000000..0ec0d9ee
--- /dev/null
+++ b/include/cru/ui/helper/BorderStyle.hpp
@@ -0,0 +1,23 @@
+#pragma once
+#include "cru/ui/Base.hpp"
+
+#include <optional>
+
+namespace cru::ui::helper {
+struct BorderStyleOfClickState {
+  BorderStyleOfClickState(std::optional<BorderStyle> focus = std::nullopt,
+                          std::optional<BorderStyle> not_focus = std::nullopt)
+      : focus(std::move(focus)), not_focus(std::move(not_focus)) {}
+
+  std::optional<BorderStyle> focus;
+  std::optional<BorderStyle> not_focus;
+};
+
+struct BorderStyleList {
+  BorderStyle default_one;
+  std::optional<BorderStyleOfClickState> normal;
+  std::optional<BorderStyleOfClickState> hover;
+  std::optional<BorderStyleOfClickState> press;
+  std::optional<BorderStyleOfClickState> press_inactive;
+};
+}  // namespace cru::ui::helper
diff --git a/include/cru/ui/helper/Styler.hpp b/include/cru/ui/helper/Styler.hpp
new file mode 100644
index 00000000..ed8bfbdc
--- /dev/null
+++ b/include/cru/ui/helper/Styler.hpp
@@ -0,0 +1,47 @@
+#pragma once
+#include "cru/common/Base.hpp"
+#include "cru/common/Event.hpp"
+#include "cru/ui/Base.hpp"
+#include "cru/ui/helper/ClickDetector.hpp"
+#include "gsl/pointers"
+
+#include <memory>
+
+namespace cru::ui::helper {
+struct ControlStyleState {
+  ClickState click_state;
+  bool focus;
+};
+
+class Styler : public Object {
+ public:
+  // You could provide your click detector. Otherwise a new one will be created.
+  explicit Styler(gsl::not_null<controls::Control*> control,
+                  ClickDetector* click_detector = nullptr);
+
+  CRU_DELETE_COPY(Styler)
+  CRU_DELETE_MOVE(Styler)
+
+  ~Styler();
+
+ public:
+  gsl::not_null<controls::Control*> GetControl() const { return control_; }
+  gsl::not_null<ClickDetector*> GetClickDetector() const {
+    return click_detector_;
+  }
+
+  IEvent<ControlStyleState>* StateChangeEvent() { return &state_change_event_; }
+
+ private:
+  void RaiseStateChangeEvent();
+
+ private:
+  gsl::not_null<controls::Control*> control_;
+  std::unique_ptr<ClickDetector> managed_click_detector_;
+  gsl::not_null<ClickDetector*> click_detector_;
+
+  Event<ControlStyleState> state_change_event_;
+
+  EventRevokerListGuard event_guard_;
+};
+}  // namespace cru::ui::helper
-- 
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