From 78c00a8329dcabf86b30f5510bd6dfd3a4c141a1 Mon Sep 17 00:00:00 2001
From: 杨宇千 <crupest@outlook.com>
Date: Sat, 7 Sep 2019 21:47:01 +0800
Subject: Add cursor.

---
 include/cru/platform/native/cursor.hpp          | 37 ++++++++++++++++++
 include/cru/platform/native/ui_applicaition.hpp |  4 ++
 include/cru/win/native/cursor.hpp               | 51 +++++++++++++++++++++++++
 include/cru/win/native/ui_application.hpp       |  9 ++++-
 4 files changed, 99 insertions(+), 2 deletions(-)
 create mode 100644 include/cru/platform/native/cursor.hpp
 create mode 100644 include/cru/win/native/cursor.hpp

(limited to 'include')

diff --git a/include/cru/platform/native/cursor.hpp b/include/cru/platform/native/cursor.hpp
new file mode 100644
index 00000000..b0ff4494
--- /dev/null
+++ b/include/cru/platform/native/cursor.hpp
@@ -0,0 +1,37 @@
+#pragma once
+
+#include "../native_resource.hpp"
+
+#include <memory>
+
+namespace cru::platform::native {
+class Cursor : public NativeResource {
+ public:
+  Cursor() = default;
+
+  CRU_DELETE_COPY(Cursor)
+  CRU_DELETE_MOVE(Cursor)
+
+  ~Cursor() override = default;
+};
+
+enum class SystemCursor {
+  Arrow,
+  Hand,
+};
+
+class CursorManager : public NativeResource {
+ public:
+  CursorManager() = default;
+
+  CRU_DELETE_COPY(CursorManager)
+  CRU_DELETE_MOVE(CursorManager)
+
+  ~CursorManager() override = default;
+
+ public:
+  virtual std::shared_ptr<Cursor> GetSystemCursor(SystemCursor type) = 0;
+
+  //TODO: Add method to create cursor.
+};
+}  // namespace cru::platform::native
diff --git a/include/cru/platform/native/ui_applicaition.hpp b/include/cru/platform/native/ui_applicaition.hpp
index aa8d98da..923fbaf7 100644
--- a/include/cru/platform/native/ui_applicaition.hpp
+++ b/include/cru/platform/native/ui_applicaition.hpp
@@ -1,6 +1,8 @@
 #pragma once
 #include "../native_resource.hpp"
 
+#include "cursor.hpp"
+
 #include <chrono>
 #include <functional>
 #include <vector>
@@ -50,5 +52,7 @@ class UiApplication : public NativeResource {
 
   virtual std::vector<NativeWindow*> GetAllWindow() = 0;
   virtual NativeWindow* CreateWindow(NativeWindow* parent) = 0;
+
+  virtual CursorManager* GetCursorManager() = 0;
 };
 }  // namespace cru::platform::native
diff --git a/include/cru/win/native/cursor.hpp b/include/cru/win/native/cursor.hpp
new file mode 100644
index 00000000..3ef480ea
--- /dev/null
+++ b/include/cru/win/native/cursor.hpp
@@ -0,0 +1,51 @@
+#pragma once
+#include <memory>
+#include "../win_pre_config.hpp"
+
+#include "cru/common/base.hpp"
+#include "cru/platform/native/cursor.hpp"
+#include "cru/win/native/platform_id.hpp"
+
+namespace cru::platform::native::win {
+class WinCursor : public Cursor {
+ public:
+  WinCursor(HCURSOR handle, bool auto_delete);
+
+  CRU_DELETE_COPY(WinCursor)
+  CRU_DELETE_MOVE(WinCursor)
+
+  ~WinCursor() override;
+
+  CRU_PLATFORMID_IMPLEMENT_WIN
+
+ public:
+  HCURSOR GetHandle() const { return handle_; }
+
+ private:
+  HCURSOR handle_;
+  bool auto_delete_;
+};
+
+class WinCursorManager : public CursorManager {
+ public:
+  WinCursorManager();
+
+  CRU_DELETE_COPY(WinCursorManager)
+  CRU_DELETE_MOVE(WinCursorManager)
+
+  ~WinCursorManager() override = default;
+
+  CRU_PLATFORMID_IMPLEMENT_WIN
+
+ public:
+  std::shared_ptr<WinCursor> GetSystemWinCursor(SystemCursor type);
+
+  std::shared_ptr<Cursor> GetSystemCursor(SystemCursor type) override {
+    return std::static_pointer_cast<Cursor>(GetSystemWinCursor(type));
+  }
+
+ private:
+  std::shared_ptr<WinCursor> sys_arrow_;
+  std::shared_ptr<WinCursor> sys_hand_;
+};
+}  // namespace cru::platform::native::win
diff --git a/include/cru/win/native/ui_application.hpp b/include/cru/win/native/ui_application.hpp
index 08a9c3ed..d7da4409 100644
--- a/include/cru/win/native/ui_application.hpp
+++ b/include/cru/win/native/ui_application.hpp
@@ -1,10 +1,11 @@
 #pragma once
 #include "../win_pre_config.hpp"
 
-#include "platform_id.hpp"
-
 #include "cru/platform/native/ui_applicaition.hpp"
 
+#include "platform_id.hpp"
+#include "cursor.hpp"
+
 #include <memory>
 
 namespace cru::platform::native::win {
@@ -46,6 +47,8 @@ class WinUiApplication : public UiApplication {
   std::vector<NativeWindow*> GetAllWindow() override;
   NativeWindow* CreateWindow(NativeWindow* parent) override;
 
+  WinCursorManager* GetCursorManager() override;
+
   bool IsAutoDelete() const { return auto_delete_; }
   void SetAutoDelete(bool value) { auto_delete_ = value; }
 
@@ -64,6 +67,8 @@ class WinUiApplication : public UiApplication {
   std::shared_ptr<TimerManager> timer_manager_;
   std::shared_ptr<WindowManager> window_manager_;
 
+  std::unique_ptr<WinCursorManager> cursor_manager_;
+
   std::vector<std::function<void()>> quit_handlers_;
 };
 }  // namespace cru::platform::native::win
-- 
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