Merge branch 'master' of https://github.com/crupest/CruUI

11 files changed, 546 insertions, 0 deletions

diff --git a/include/cru/win/gui/Base.hpp b/include/cru/win/gui/Base.hpp
new file mode 100644
index 00000000..00782663
--- /dev/null
+++ b/include/cru/win/gui/Base.hpp
@@ -0,0 +1,16 @@
+#pragma once
+#include "../WinPreConfig.hpp"
+
+#include "cru/common/Base.hpp"
+
+namespace cru::platform::gui::win {
+class GodWindow;
+class TimerManager;
+class WinCursor;
+class WinCursorManager;
+class WindowClass;
+class WindowManager;
+class WinNativeWindow;
+class WinUiApplication;
+class WinInputMethodContext;
+}  // namespace cru::platform::gui::win
diff --git a/include/cru/win/gui/Cursor.hpp b/include/cru/win/gui/Cursor.hpp
new file mode 100644
index 00000000..e7c76879
--- /dev/null
+++ b/include/cru/win/gui/Cursor.hpp
@@ -0,0 +1,50 @@
+#pragma once
+#include "Resource.hpp"
+
+#include "cru/platform/gui/Cursor.hpp"
+
+#include <memory>
+
+namespace cru::platform::gui::win {
+class WinCursor : public WinNativeResource, public virtual ICursor {
+  CRU_DEFINE_CLASS_LOG_TAG(u"cru::platform::gui::win::WinCursor")
+
+ public:
+  WinCursor(HCURSOR handle, bool auto_destroy);
+
+  CRU_DELETE_COPY(WinCursor)
+  CRU_DELETE_MOVE(WinCursor)
+
+  ~WinCursor() override;
+
+ public:
+  HCURSOR GetHandle() const { return handle_; }
+
+ private:
+  HCURSOR handle_;
+  bool auto_destroy_;
+};
+
+class WinCursorManager : public WinNativeResource,
+                         public virtual ICursorManager {
+ public:
+  WinCursorManager();
+
+  CRU_DELETE_COPY(WinCursorManager)
+  CRU_DELETE_MOVE(WinCursorManager)
+
+  ~WinCursorManager() override = default;
+
+ public:
+  std::shared_ptr<WinCursor> GetSystemWinCursor(SystemCursorType type);
+
+  std::shared_ptr<ICursor> GetSystemCursor(SystemCursorType type) override {
+    return std::static_pointer_cast<ICursor>(GetSystemWinCursor(type));
+  }
+
+ private:
+  std::shared_ptr<WinCursor> sys_arrow_;
+  std::shared_ptr<WinCursor> sys_hand_;
+  std::shared_ptr<WinCursor> sys_ibeam_;
+};
+}  // namespace cru::platform::gui::win
diff --git a/include/cru/win/gui/Exception.hpp b/include/cru/win/gui/Exception.hpp
new file mode 100644
index 00000000..895e6c14
--- /dev/null
+++ b/include/cru/win/gui/Exception.hpp
@@ -0,0 +1,7 @@
+#pragma once
+#include "../Exception.hpp"
+
+namespace cru::platform::gui::win {
+using platform::win::Win32Error;
+using platform::win::HResultError;
+}  // namespace cru::platform::gui::win
diff --git a/include/cru/win/gui/GodWindow.hpp b/include/cru/win/gui/GodWindow.hpp
new file mode 100644
index 00000000..0343b159
--- /dev/null
+++ b/include/cru/win/gui/GodWindow.hpp
@@ -0,0 +1,38 @@
+#pragma once
+#include "Base.hpp"
+
+#include "WindowNativeMessageEventArgs.hpp"
+#include "cru/common/Event.hpp"
+
+#include <memory>
+
+namespace cru::platform::gui::win {
+class GodWindow : public Object {
+  CRU_DEFINE_CLASS_LOG_TAG(u"cru::platform::gui::win::GodWindow")
+
+ public:
+  explicit GodWindow(WinUiApplication* application);
+
+  CRU_DELETE_COPY(GodWindow)
+  CRU_DELETE_MOVE(GodWindow)
+
+  ~GodWindow() override;
+
+  HWND GetHandle() const { return hwnd_; }
+
+  bool HandleGodWindowMessage(HWND hwnd, UINT msg, WPARAM w_param,
+                              LPARAM l_param, LRESULT* result);
+
+  IEvent<WindowNativeMessageEventArgs&>* MessageEvent() {
+    return &message_event_;
+  }
+
+ private:
+  WinUiApplication* application_;
+
+  std::unique_ptr<WindowClass> god_window_class_;
+  HWND hwnd_;
+
+  Event<WindowNativeMessageEventArgs&> message_event_;
+};
+}  // namespace cru::platform::gui::win
diff --git a/include/cru/win/gui/InputMethod.hpp b/include/cru/win/gui/InputMethod.hpp
new file mode 100644
index 00000000..51a007d8
--- /dev/null
+++ b/include/cru/win/gui/InputMethod.hpp
@@ -0,0 +1,87 @@
+// Some useful information can be found from chromium code:
+// https://chromium.googlesource.com/chromium/chromium/+/refs/heads/master/ui/base/win/ime_input.h
+// https://chromium.googlesource.com/chromium/chromium/+/refs/heads/master/ui/base/win/ime_input.cc
+
+#pragma once
+#include "Resource.hpp"
+
+#include "WindowNativeMessageEventArgs.hpp"
+#include "cru/platform/gui/InputMethod.hpp"
+
+#include <imm.h>
+
+namespace cru::platform::gui::win {
+class AutoHIMC : public Object {
+  CRU_DEFINE_CLASS_LOG_TAG(u"cru::platform::gui::win::AutoHIMC")
+
+ public:
+  explicit AutoHIMC(HWND hwnd);
+
+  CRU_DELETE_COPY(AutoHIMC)
+
+  AutoHIMC(AutoHIMC&& other);
+  AutoHIMC& operator=(AutoHIMC&& other);
+
+  ~AutoHIMC() override;
+
+  HWND GetHwnd() const { return hwnd_; }
+
+  HIMC Get() const { return handle_; }
+
+ private:
+  HWND hwnd_;
+  HIMC handle_;
+};
+
+class WinInputMethodContext : public WinNativeResource,
+                              public virtual IInputMethodContext {
+  CRU_DEFINE_CLASS_LOG_TAG(u"cru::platform::gui::win::WinInputMethodContext")
+
+ public:
+  WinInputMethodContext(gsl::not_null<WinNativeWindow*> window);
+
+  CRU_DELETE_COPY(WinInputMethodContext)
+  CRU_DELETE_MOVE(WinInputMethodContext)
+
+  ~WinInputMethodContext() override;
+
+  bool ShouldManuallyDrawCompositionText() override { return true; }
+
+  void EnableIME() override;
+
+  void DisableIME() override;
+
+  void CompleteComposition() override;
+
+  void CancelComposition() override;
+
+  CompositionText GetCompositionText() override;
+
+  void SetCandidateWindowPosition(const Point& point) override;
+
+  IEvent<std::nullptr_t>* CompositionStartEvent() override;
+
+  IEvent<std::nullptr_t>* CompositionEndEvent() override;
+
+  IEvent<std::nullptr_t>* CompositionEvent() override;
+
+  IEvent<std::u16string_view>* TextEvent() override;
+
+ private:
+  void OnWindowNativeMessage(WindowNativeMessageEventArgs& args);
+
+  std::u16string GetResultString();
+
+  AutoHIMC GetHIMC();
+
+ private:
+  WinNativeWindow* native_window_;
+
+  EventRevokerListGuard event_guard_;
+
+  Event<std::nullptr_t> composition_start_event_;
+  Event<std::nullptr_t> composition_end_event_;
+  Event<std::nullptr_t> composition_event_;
+  Event<std::u16string_view> text_event_;
+};
+}  // namespace cru::platform::gui::win
diff --git a/include/cru/win/gui/Keyboard.hpp b/include/cru/win/gui/Keyboard.hpp
new file mode 100644
index 00000000..5b98833c
--- /dev/null
+++ b/include/cru/win/gui/Keyboard.hpp
@@ -0,0 +1,9 @@
+#pragma once
+#include "Base.hpp"
+
+#include "cru/platform/gui/Keyboard.hpp"
+
+namespace cru::platform::gui::win {
+KeyCode VirtualKeyToKeyCode(int virtual_key);
+KeyModifier RetrieveKeyMofifier();
+}  // namespace cru::platform::gui::win
diff --git a/include/cru/win/gui/Resource.hpp b/include/cru/win/gui/Resource.hpp
new file mode 100644
index 00000000..1f6f0a4a
--- /dev/null
+++ b/include/cru/win/gui/Resource.hpp
@@ -0,0 +1,23 @@
+#pragma once
+#include "Base.hpp"
+
+#include "cru/platform/Resource.hpp"
+
+namespace cru::platform::gui::win {
+class WinNativeResource : public Object, public virtual INativeResource {
+ public:
+  static constexpr std::u16string_view k_platform_id = u"Windows";
+
+ protected:
+  WinNativeResource() = default;
+
+ public:
+  CRU_DELETE_COPY(WinNativeResource)
+  CRU_DELETE_MOVE(WinNativeResource)
+
+  ~WinNativeResource() override = default;
+
+ public:
+  std::u16string_view GetPlatformId() const final { return k_platform_id; }
+};
+}  // namespace cru::platform::gui::win
diff --git a/include/cru/win/gui/UiApplication.hpp b/include/cru/win/gui/UiApplication.hpp
new file mode 100644
index 00000000..4cf46858
--- /dev/null
+++ b/include/cru/win/gui/UiApplication.hpp
@@ -0,0 +1,74 @@
+#pragma once
+#include "Resource.hpp"
+
+#include "cru/platform/gui/Base.hpp"
+#include "cru/platform/gui/UiApplication.hpp"
+
+#include <memory>
+
+namespace cru::platform::graphics::win::direct {
+class DirectGraphFactory;
+}
+
+namespace cru::platform::gui::win {
+class WinUiApplication : public WinNativeResource,
+                         public virtual IUiApplication {
+ public:
+  static WinUiApplication* GetInstance() { return instance; }
+
+ private:
+  static WinUiApplication* instance;
+
+ public:
+  WinUiApplication();
+
+  CRU_DELETE_COPY(WinUiApplication)
+  CRU_DELETE_MOVE(WinUiApplication)
+
+  ~WinUiApplication() override;
+
+ public:
+  int Run() override;
+  void RequestQuit(int quit_code) override;
+
+  void AddOnQuitHandler(std::function<void()> handler) override;
+
+  long long SetImmediate(std::function<void()> action) override;
+  long long SetTimeout(std::chrono::milliseconds milliseconds,
+                       std::function<void()> action) override;
+  long long SetInterval(std::chrono::milliseconds milliseconds,
+                        std::function<void()> action) override;
+  void CancelTimer(long long id) override;
+
+  std::vector<INativeWindow*> GetAllWindow() override;
+  INativeWindow* CreateWindow(INativeWindow* parent, CreateWindowFlag flag) override;
+
+  cru::platform::graphics::IGraphFactory* GetGraphFactory() override;
+
+  cru::platform::graphics::win::direct::DirectGraphFactory* GetDirectFactory() {
+    return graph_factory_.get();
+  }
+
+  ICursorManager* GetCursorManager() override;
+
+  HINSTANCE GetInstanceHandle() const { return instance_handle_; }
+
+  GodWindow* GetGodWindow() const { return god_window_.get(); }
+  TimerManager* GetTimerManager() const { return timer_manager_.get(); }
+  WindowManager* GetWindowManager() const { return window_manager_.get(); }
+
+ private:
+  HINSTANCE instance_handle_;
+
+  std::unique_ptr<cru::platform::graphics::win::direct::DirectGraphFactory>
+      graph_factory_;
+
+  std::unique_ptr<GodWindow> god_window_;
+  std::unique_ptr<TimerManager> timer_manager_;
+  std::unique_ptr<WindowManager> window_manager_;
+
+  std::unique_ptr<WinCursorManager> cursor_manager_;
+
+  std::vector<std::function<void()>> quit_handlers_;
+};
+}  // namespace cru::platform::gui::win
diff --git a/include/cru/win/gui/Window.hpp b/include/cru/win/gui/Window.hpp
new file mode 100644
index 00000000..3ba9ef68
--- /dev/null
+++ b/include/cru/win/gui/Window.hpp
@@ -0,0 +1,178 @@
+#pragma once
+#include "Resource.hpp"
+
+#include "WindowNativeMessageEventArgs.hpp"
+#include "cru/platform/GraphBase.hpp"
+#include "cru/platform/gui/Base.hpp"
+#include "cru/platform/gui/Window.hpp"
+#include "cru/win/graphics/direct/WindowRenderTarget.hpp"
+
+#include <memory>
+
+namespace cru::platform::gui::win {
+class WinNativeWindow : public WinNativeResource, public virtual INativeWindow {
+  CRU_DEFINE_CLASS_LOG_TAG(u"cru::platform::gui::win::WinNativeWindow")
+
+ public:
+  WinNativeWindow(WinUiApplication* application, WindowClass* window_class,
+                  DWORD window_style, WinNativeWindow* parent);
+
+  CRU_DELETE_COPY(WinNativeWindow)
+  CRU_DELETE_MOVE(WinNativeWindow)
+
+  ~WinNativeWindow() override;
+
+ public:
+  void Close() override;
+
+  WinNativeWindow* GetParent() override { return parent_window_; }
+
+  bool IsVisible() override;
+  void SetVisible(bool is_visible) override;
+
+  Size GetClientSize() override;
+  void SetClientSize(const Size& size) override;
+
+  // Get the rect of the window containing frame.
+  // The lefttop of the rect is relative to screen lefttop.
+  Rect GetWindowRect() override;
+
+  // Set the rect of the window containing frame.
+  // The lefttop of the rect is relative to screen lefttop.
+  void SetWindowRect(const Rect& rect) override;
+
+  Point GetMousePosition() override;
+
+  bool CaptureMouse() override;
+  bool ReleaseMouse() override;
+
+  void RequestRepaint() override;
+  std::unique_ptr<graphics::IPainter> BeginPaint() override;
+
+  void SetCursor(std::shared_ptr<ICursor> cursor) override;
+
+  IEvent<std::nullptr_t>* DestroyEvent() override { return &destroy_event_; }
+  IEvent<std::nullptr_t>* PaintEvent() override { return &paint_event_; }
+  IEvent<Size>* ResizeEvent() override { return &resize_event_; }
+  IEvent<FocusChangeType>* FocusEvent() override { return &focus_event_; }
+  IEvent<MouseEnterLeaveType>* MouseEnterLeaveEvent() override {
+    return &mouse_enter_leave_event_;
+  }
+  IEvent<Point>* MouseMoveEvent() override { return &mouse_move_event_; }
+  IEvent<platform::gui::NativeMouseButtonEventArgs>* MouseDownEvent()
+      override {
+    return &mouse_down_event_;
+  }
+  IEvent<platform::gui::NativeMouseButtonEventArgs>* MouseUpEvent()
+      override {
+    return &mouse_up_event_;
+  }
+  IEvent<platform::gui::NativeKeyEventArgs>* KeyDownEvent() override {
+    return &key_down_event_;
+  }
+  IEvent<platform::gui::NativeKeyEventArgs>* KeyUpEvent() override {
+    return &key_up_event_;
+  }
+
+  IEvent<WindowNativeMessageEventArgs&>* NativeMessageEvent() {
+    return &native_message_event_;
+  }
+
+  IInputMethodContext* GetInputMethodContext() override;
+
+  // Get the handle of the window. Return null if window is invalid.
+  HWND GetWindowHandle() const { return hwnd_; }
+
+  bool HandleNativeWindowMessage(HWND hwnd, UINT msg, WPARAM w_param,
+                                 LPARAM l_param, LRESULT* result);
+
+  graphics::win::direct::D2DWindowRenderTarget* GetWindowRenderTarget() const {
+    return window_render_target_.get();
+  }
+
+  //*************** region: dpi ***************
+  float GetDpi() const { return dpi_; }
+
+  inline int DipToPixel(const float dip) {
+    return static_cast<int>(dip * GetDpi() / 96.0f);
+  }
+
+  inline POINT DipToPixel(const Point& dip_point) {
+    POINT result;
+    result.x = DipToPixel(dip_point.x);
+    result.y = DipToPixel(dip_point.y);
+    return result;
+  }
+
+  inline float PixelToDip(const int pixel) {
+    return static_cast<float>(pixel) * 96.0f / GetDpi();
+  }
+
+  inline Point PixelToDip(const POINT& pi_point) {
+    return Point(PixelToDip(pi_point.x), PixelToDip(pi_point.y));
+  }
+
+ private:
+  // Get the client rect in pixel.
+  RECT GetClientRectPixel();
+
+  //*************** region: native messages ***************
+
+  void OnDestroyInternal();
+  void OnPaintInternal();
+  void OnResizeInternal(int new_width, int new_height);
+
+  void OnSetFocusInternal();
+  void OnKillFocusInternal();
+
+  void OnMouseMoveInternal(POINT point);
+  void OnMouseLeaveInternal();
+  void OnMouseDownInternal(platform::gui::MouseButton button, POINT point);
+  void OnMouseUpInternal(platform::gui::MouseButton button, POINT point);
+
+  void OnMouseWheelInternal(short delta, POINT point);
+  void OnKeyDownInternal(int virtual_code);
+  void OnKeyUpInternal(int virtual_code);
+
+  void OnActivatedInternal();
+  void OnDeactivatedInternal();
+
+ private:
+  WinUiApplication* application_;
+
+  // when delete is called first, it set this to true to indicate
+  // destroy message handler not to double delete this instance;
+  // when destroy handler is called first (by user action or method
+  // Close), it set this to true to indicate delete not call Close
+  // again.
+  bool sync_flag_ = false;
+
+  HWND hwnd_;
+  WinNativeWindow* parent_window_;
+
+  float dpi_;
+
+  bool has_focus_ = false;
+  bool is_mouse_in_ = false;
+
+  std::unique_ptr<graphics::win::direct::D2DWindowRenderTarget>
+      window_render_target_;
+
+  std::shared_ptr<WinCursor> cursor_;
+
+  std::unique_ptr<WinInputMethodContext> input_method_context_;
+
+  Event<std::nullptr_t> destroy_event_;
+  Event<std::nullptr_t> paint_event_;
+  Event<Size> resize_event_;
+  Event<FocusChangeType> focus_event_;
+  Event<MouseEnterLeaveType> mouse_enter_leave_event_;
+  Event<Point> mouse_move_event_;
+  Event<platform::gui::NativeMouseButtonEventArgs> mouse_down_event_;
+  Event<platform::gui::NativeMouseButtonEventArgs> mouse_up_event_;
+  Event<platform::gui::NativeKeyEventArgs> key_down_event_;
+  Event<platform::gui::NativeKeyEventArgs> key_up_event_;
+
+  Event<WindowNativeMessageEventArgs&> native_message_event_;
+};
+}  // namespace cru::platform::gui::win
diff --git a/include/cru/win/gui/WindowClass.hpp b/include/cru/win/gui/WindowClass.hpp
new file mode 100644
index 00000000..2c07b68f
--- /dev/null
+++ b/include/cru/win/gui/WindowClass.hpp
@@ -0,0 +1,24 @@
+#pragma once
+#include "Base.hpp"
+
+#include <string>
+
+namespace cru::platform::gui::win {
+class WindowClass : public Object {
+ public:
+  WindowClass(std::wstring name, WNDPROC window_proc, HINSTANCE h_instance);
+
+  CRU_DELETE_COPY(WindowClass)
+  CRU_DELETE_MOVE(WindowClass)
+
+  ~WindowClass() override = default;
+
+  const wchar_t* GetName() const { return name_.c_str(); }
+
+  ATOM GetAtom() const { return atom_; }
+
+ private:
+  std::wstring name_;
+  ATOM atom_;
+};
+}  // namespace cru::platform::gui::win
diff --git a/include/cru/win/gui/WindowNativeMessageEventArgs.hpp b/include/cru/win/gui/WindowNativeMessageEventArgs.hpp
new file mode 100644
index 00000000..834ba3c2
--- /dev/null
+++ b/include/cru/win/gui/WindowNativeMessageEventArgs.hpp
@@ -0,0 +1,40 @@
+#pragma once
+#include "../WinPreConfig.hpp"
+
+#include "cru/common/Base.hpp"
+
+namespace cru::platform::gui::win {
+struct WindowNativeMessage {
+  HWND hwnd;
+  UINT msg;
+  WPARAM w_param;
+  LPARAM l_param;
+};
+
+class WindowNativeMessageEventArgs : public Object {
+ public:
+  WindowNativeMessageEventArgs(const WindowNativeMessage& message)
+      : message_(message) {}
+  CRU_DEFAULT_COPY(WindowNativeMessageEventArgs)
+  CRU_DEFAULT_MOVE(WindowNativeMessageEventArgs)
+  ~WindowNativeMessageEventArgs() override = default;
+
+  const WindowNativeMessage& GetWindowMessage() const { return message_; }
+
+  LRESULT GetResult() const { return result_; }
+  void SetResult(LRESULT result) { result_ = result; }
+
+  bool IsHandled() const { return handled_; }
+  void SetHandled(bool handled) { handled_ = handled; }
+
+  void HandleWithResult(LRESULT result) {
+    handled_ = true;
+    result_ = result;
+  }
+
+ private:
+  WindowNativeMessage message_;
+  LRESULT result_;
+  bool handled_ = false;
+};
+}  // namespace cru::platform::gui::win