1 files changed, 0 insertions, 593 deletions
diff --git a/src/win/gui/Window.cpp b/src/win/gui/Window.cpp
deleted file mode 100644
index cc2038ec..00000000
--- a/src/win/gui/Window.cpp
+++ /dev/null
@@ -1,593 +0,0 @@
-#include "cru/win/gui/Window.h"
-
-#include "WindowManager.h"
-#include "cru/common/log/Logger.h"
-#include "cru/platform/Check.h"
-#include "cru/platform/graphics/NullPainter.h"
-#include "cru/platform/gui/Base.h"
-#include "cru/platform/gui/DebugFlags.h"
-#include "cru/platform/gui/Window.h"
-#include "cru/win/graphics/direct/WindowPainter.h"
-#include "cru/win/gui/Cursor.h"
-#include "cru/win/gui/Exception.h"
-#include "cru/win/gui/InputMethod.h"
-#include "cru/win/gui/Keyboard.h"
-#include "cru/win/gui/UiApplication.h"
-#include "cru/win/gui/WindowClass.h"
-
-#include <windowsx.h>
-#include <winuser.h>
-#include <memory>
-
-namespace cru::platform::gui::win {
-namespace {
-inline int DipToPixel(const float dip, const float dpi) {
-  return static_cast<int>(dip * dpi / 96.0f);
-}
-
-inline float PixelToDip(const int pixel, const float dpi) {
-  return static_cast<float>(pixel) * 96.0f / dpi;
-}
-
-DWORD CalcWindowStyle(WindowStyleFlag flag) {
-  return flag & WindowStyleFlags::NoCaptionAndBorder ? WS_POPUP
-                                                     : WS_OVERLAPPEDWINDOW;
-}
-
-Rect CalcWindowRectFromClient(const Rect& rect, WindowStyleFlag style_flag,
-                              float dpi) {
-  RECT r;
-  r.left = DipToPixel(rect.left, dpi);
-  r.top = DipToPixel(rect.top, dpi);
-  r.right = DipToPixel(rect.GetRight(), dpi);
-  r.bottom = DipToPixel(rect.GetBottom(), dpi);
-  if (!AdjustWindowRectEx(&r, CalcWindowStyle(style_flag), FALSE, 0))
-    throw Win32Error(::GetLastError(), u"Failed to invoke AdjustWindowRectEx.");
-
-  Rect result =
-      Rect::FromVertices(PixelToDip(r.left, dpi), PixelToDip(r.top, dpi),
-                         PixelToDip(r.right, dpi), PixelToDip(r.bottom, dpi));
-  return result;
-}
-
-Rect CalcClientRectFromWindow(const Rect& rect, WindowStyleFlag style_flag,
-                              float dpi) {
-  RECT o{100, 100, 500, 500};
-  RECT s = o;
-  if (!AdjustWindowRectEx(&s, CalcWindowStyle(style_flag), FALSE, 0))
-    throw Win32Error(::GetLastError(), u"Failed to invoke AdjustWindowRectEx.");
-
-  Rect result = rect;
-  result.Shrink(Thickness(PixelToDip(s.left - o.left, dpi),
-                          PixelToDip(o.top - s.top, dpi),
-                          PixelToDip(s.right - o.right, dpi),
-                          PixelToDip(s.bottom - o.bottom, dpi)));
-
-  return result;
-}
-}  // namespace
-
-WinNativeWindow::WinNativeWindow(WinUiApplication* application)
-    : application_(application) {
-  Expects(application);  // application can't be null.
-}
-
-WinNativeWindow::~WinNativeWindow() { Close(); }
-
-void WinNativeWindow::Close() {
-  if (hwnd_) ::DestroyWindow(hwnd_);
-}
-
-void WinNativeWindow::SetParent(INativeWindow* parent) {
-  auto p = CheckPlatform<WinNativeWindow>(parent, GetPlatformId());
-  parent_window_ = p;
-
-  if (hwnd_) {
-    ::SetParent(hwnd_, parent_window_->hwnd_);
-  }
-}
-
-String WinNativeWindow::GetTitle() { return title_; }
-
-void WinNativeWindow::SetTitle(String title) {
-  title_ = title;
-
-  if (hwnd_) {
-    ::SetWindowTextW(hwnd_, title_.WinCStr());
-  }
-}
-
-void WinNativeWindow::SetStyleFlag(WindowStyleFlag flag) {
-  if (flag == style_flag_) return;
-
-  style_flag_ = flag;
-  if (hwnd_) {
-    SetWindowLongPtrW(hwnd_, GWL_STYLE,
-                      static_cast<LONG_PTR>(CalcWindowStyle(style_flag_)));
-  }
-}
-
-void WinNativeWindow::SetVisibility(WindowVisibilityType visibility) {
-  if (visibility == visibility_) return;
-  visibility_ = visibility;
-
-  if (!hwnd_) {
-    RecreateWindow();
-  }
-
-  if (visibility == WindowVisibilityType::Show) {
-    ShowWindow(hwnd_, SW_SHOWNORMAL);
-  } else if (visibility == WindowVisibilityType::Hide) {
-    ShowWindow(hwnd_, SW_HIDE);
-  } else if (visibility == WindowVisibilityType::Minimize) {
-    ShowWindow(hwnd_, SW_MINIMIZE);
-  }
-}
-
-Size WinNativeWindow::GetClientSize() { return GetClientRect().GetSize(); }
-
-void WinNativeWindow::SetClientSize(const Size& size) {
-  client_rect_.SetSize(size);
-
-  if (hwnd_) {
-    RECT rect =
-        DipToPixel(CalcWindowRectFromClient(client_rect_, style_flag_, dpi_));
-
-    if (!SetWindowPos(hwnd_, nullptr, 0, 0, rect.right - rect.left,
-                      rect.bottom - rect.top, SWP_NOZORDER | SWP_NOMOVE))
-      throw Win32Error(::GetLastError(), u"Failed to invoke SetWindowPos.");
-  }
-}
-
-Rect WinNativeWindow::GetClientRect() { return client_rect_; }
-
-void WinNativeWindow::SetClientRect(const Rect& rect) {
-  client_rect_ = rect;
-
-  if (hwnd_) {
-    RECT r =
-        DipToPixel(CalcWindowRectFromClient(client_rect_, style_flag_, dpi_));
-
-    if (!SetWindowPos(hwnd_, nullptr, 0, 0, r.right - r.left, r.bottom - r.top,
-                      SWP_NOZORDER | SWP_NOMOVE))
-      throw Win32Error(::GetLastError(), u"Failed to invoke SetWindowPos.");
-  }
-}
-
-Rect WinNativeWindow::GetWindowRect() {
-  if (hwnd_) {
-    RECT rect;
-    if (!::GetWindowRect(hwnd_, &rect))
-      throw Win32Error(::GetLastError(), u"Failed to invoke GetWindowRect.");
-
-    return Rect::FromVertices(PixelToDip(rect.left), PixelToDip(rect.top),
-                              PixelToDip(rect.right), PixelToDip(rect.bottom));
-  } else {
-    return CalcWindowRectFromClient(client_rect_, style_flag_, dpi_);
-  }
-}
-
-void WinNativeWindow::SetWindowRect(const Rect& rect) {
-  client_rect_ = CalcClientRectFromWindow(rect, style_flag_, dpi_);
-
-  if (hwnd_) {
-    if (!SetWindowPos(hwnd_, nullptr, DipToPixel(rect.left),
-                      DipToPixel(rect.top), DipToPixel(rect.GetRight()),
-                      DipToPixel(rect.GetBottom()), SWP_NOZORDER))
-      throw Win32Error(::GetLastError(), u"Failed to invoke SetWindowPos.");
-  }
-}
-
-bool WinNativeWindow::RequestFocus() {
-  if (hwnd_) {
-    SetFocus(hwnd_);
-    return true;
-  }
-  return false;
-}
-
-Point WinNativeWindow::GetMousePosition() {
-  POINT p;
-  if (!::GetCursorPos(&p))
-    throw Win32Error(::GetLastError(), u"Failed to get cursor position.");
-  if (!::ScreenToClient(hwnd_, &p))
-    throw Win32Error(::GetLastError(), u"Failed to call ScreenToClient.");
-  return PixelToDip(p);
-}
-
-bool WinNativeWindow::CaptureMouse() {
-  ::SetCapture(hwnd_);
-  return true;
-}
-
-bool WinNativeWindow::ReleaseMouse() {
-  const auto result = ::ReleaseCapture();
-  return result != 0;
-}
-
-void WinNativeWindow::RequestRepaint() {
-  if constexpr (DebugFlags::paint) {
-    CRU_LOG_DEBUG(u"A repaint is requested.");
-  }
-  if (!::InvalidateRect(hwnd_, nullptr, FALSE))
-    throw Win32Error(::GetLastError(), u"Failed to invalidate window.");
-  if (!::UpdateWindow(hwnd_))
-    throw Win32Error(::GetLastError(), u"Failed to update window.");
-}
-
-std::unique_ptr<graphics::IPainter> WinNativeWindow::BeginPaint() {
-  if (hwnd_)
-    return std::make_unique<graphics::win::direct::D2DWindowPainter>(
-        window_render_target_.get());
-  else
-    return std::make_unique<graphics::NullPainter>();
-}
-
-void WinNativeWindow::SetCursor(std::shared_ptr<ICursor> cursor) {
-  if (cursor == nullptr) {
-    throw std::runtime_error("Can't use a nullptr as cursor.");
-  }
-
-  cursor_ = CheckPlatform<WinCursor>(cursor, GetPlatformId());
-
-  if (hwnd_) return;
-
-  if (!::SetClassLongPtrW(hwnd_, GCLP_HCURSOR,
-                          reinterpret_cast<LONG_PTR>(cursor_->GetHandle()))) {
-    CRU_LOG_WARN(
-        u"Failed to set cursor because failed to set class long. Last "
-        u"error code: {}.",
-        ::GetLastError());
-    return;
-  }
-
-  if (GetVisibility() != WindowVisibilityType::Show) return;
-
-  auto lg = [](StringView reason) {
-    CRU_LOG_WARN(
-
-        u"Failed to set cursor because {} when window is visible. (We need to "
-        u"update cursor if it is inside the window.) Last error code: {}.",
-        reason, ::GetLastError());
-  };
-
-  ::POINT point;
-  if (!::GetCursorPos(&point)) {
-    lg(u"failed to get cursor pos");
-    return;
-  }
-
-  ::RECT rect;
-  if (!::GetClientRect(hwnd_, &rect)) {
-    lg(u"failed to get window's client rect");
-    return;
-  }
-
-  ::POINT lefttop{rect.left, rect.top};
-  ::POINT rightbottom{rect.right, rect.bottom};
-  if (!::ClientToScreen(hwnd_, &lefttop)) {
-    lg(u"failed to call ClientToScreen on lefttop");
-    return;
-  }
-
-  if (!::ClientToScreen(hwnd_, &rightbottom)) {
-    lg(u"failed to call ClientToScreen on rightbottom");
-    return;
-  }
-
-  if (point.x >= lefttop.x && point.y >= lefttop.y &&
-      point.x <= rightbottom.x && point.y <= rightbottom.y) {
-    ::SetCursor(cursor_->GetHandle());
-  }
-}
-
-void WinNativeWindow::SetToForeground() {
-  if (hwnd_) {
-    if (!::SetForegroundWindow(hwnd_))
-      throw Win32Error(::GetLastError(),
-                       u"Failed to set window to foreground.");
-  }
-}
-
-IInputMethodContext* WinNativeWindow::GetInputMethodContext() {
-  return static_cast<IInputMethodContext*>(input_method_context_.get());
-}
-
-bool WinNativeWindow::HandleNativeWindowMessage(HWND hwnd, UINT msg,
-                                                WPARAM w_param, LPARAM l_param,
-                                                LRESULT* result) {
-  WindowNativeMessageEventArgs args{
-      WindowNativeMessage{hwnd, msg, w_param, l_param}};
-  native_message_event_.Raise(args);
-  if (args.IsHandled()) {
-    *result = args.GetResult();
-    return true;
-  }
-
-  switch (msg) {
-    case WM_PAINT:
-      OnPaintInternal();
-      *result = 0;
-      return true;
-    case WM_ERASEBKGND:
-      *result = 1;
-      return true;
-    case WM_SETFOCUS:
-      OnSetFocusInternal();
-      *result = 0;
-      return true;
-    case WM_KILLFOCUS:
-      OnKillFocusInternal();
-      *result = 0;
-      return true;
-    case WM_MOUSEMOVE: {
-      POINT point;
-      point.x = GET_X_LPARAM(l_param);
-      point.y = GET_Y_LPARAM(l_param);
-      OnMouseMoveInternal(point);
-      *result = 0;
-      return true;
-    }
-    case WM_LBUTTONDOWN: {
-      POINT point;
-      point.x = GET_X_LPARAM(l_param);
-      point.y = GET_Y_LPARAM(l_param);
-      OnMouseDownInternal(platform::gui::mouse_buttons::left, point);
-      *result = 0;
-      return true;
-    }
-    case WM_LBUTTONUP: {
-      POINT point;
-      point.x = GET_X_LPARAM(l_param);
-      point.y = GET_Y_LPARAM(l_param);
-      OnMouseUpInternal(platform::gui::mouse_buttons::left, point);
-      *result = 0;
-      return true;
-    }
-    case WM_RBUTTONDOWN: {
-      POINT point;
-      point.x = GET_X_LPARAM(l_param);
-      point.y = GET_Y_LPARAM(l_param);
-      OnMouseDownInternal(platform::gui::mouse_buttons::right, point);
-      *result = 0;
-      return true;
-    }
-    case WM_RBUTTONUP: {
-      POINT point;
-      point.x = GET_X_LPARAM(l_param);
-      point.y = GET_Y_LPARAM(l_param);
-      OnMouseUpInternal(platform::gui::mouse_buttons::right, point);
-      *result = 0;
-      return true;
-    }
-    case WM_MBUTTONDOWN: {
-      POINT point;
-      point.x = GET_X_LPARAM(l_param);
-      point.y = GET_Y_LPARAM(l_param);
-      OnMouseDownInternal(platform::gui::mouse_buttons::middle, point);
-      *result = 0;
-      return true;
-    }
-    case WM_MBUTTONUP: {
-      POINT point;
-      point.x = GET_X_LPARAM(l_param);
-      point.y = GET_Y_LPARAM(l_param);
-      OnMouseUpInternal(platform::gui::mouse_buttons::middle, point);
-      *result = 0;
-      return true;
-    }
-    case WM_MOUSEWHEEL:
-      POINT point;
-      point.x = GET_X_LPARAM(l_param);
-      point.y = GET_Y_LPARAM(l_param);
-      ScreenToClient(hwnd, &point);
-      OnMouseWheelInternal(GET_WHEEL_DELTA_WPARAM(w_param), point);
-      *result = 0;
-      return true;
-    case WM_KEYDOWN:
-      OnKeyDownInternal(static_cast<int>(w_param));
-      *result = 0;
-      return true;
-    case WM_KEYUP:
-      OnKeyUpInternal(static_cast<int>(w_param));
-      *result = 0;
-      return true;
-    case WM_SYSKEYDOWN:
-      if (l_param & (1 << 29)) {
-        OnKeyDownInternal(static_cast<int>(w_param));
-        *result = 0;
-        return true;
-      }
-      return false;
-    case WM_SYSKEYUP:
-      if (l_param & (1 << 29)) {
-        OnKeyUpInternal(static_cast<int>(w_param));
-        *result = 0;
-        return true;
-      }
-      return false;
-    case WM_CREATE:
-      OnCreateInternal();
-      *result = 0;
-      return true;
-    case WM_MOVE:
-      OnMoveInternal(LOWORD(l_param), HIWORD(l_param));
-      *result = 0;
-      return true;
-    case WM_SIZE:
-      OnResizeInternal(LOWORD(l_param), HIWORD(l_param));
-      *result = 0;
-      return true;
-    case WM_ACTIVATE:
-      if (w_param == WA_ACTIVE || w_param == WA_CLICKACTIVE)
-        OnActivatedInternal();
-      else if (w_param == WA_INACTIVE)
-        OnDeactivatedInternal();
-      *result = 0;
-      return true;
-    case WM_DESTROY:
-      OnDestroyInternal();
-      *result = 0;
-      return true;
-    case WM_IME_SETCONTEXT:
-      l_param &= ~ISC_SHOWUICOMPOSITIONWINDOW;
-      *result = ::DefWindowProcW(hwnd, msg, w_param, l_param);
-      return true;
-    // We must block these message from DefWindowProc or it will create
-    // an ugly composition window.
-    case WM_IME_STARTCOMPOSITION:
-    case WM_IME_COMPOSITION:
-      *result = 0;
-      return true;
-    case WM_DPICHANGED: {
-      dpi_ = static_cast<float>(LOWORD(w_param));
-      const RECT* suggest_rect = reinterpret_cast<const RECT*>(l_param);
-      window_render_target_->SetDpi(dpi_, dpi_);
-      SetWindowPos(hwnd_, NULL, suggest_rect->left, suggest_rect->top,
-                   suggest_rect->right - suggest_rect->left,
-                   suggest_rect->bottom - suggest_rect->top,
-                   SWP_NOZORDER | SWP_NOACTIVATE);
-    }
-    default:
-      return false;
-  }
-}
-
-RECT WinNativeWindow::GetClientRectPixel() {
-  RECT rect;
-  if (!::GetClientRect(hwnd_, &rect))
-    throw Win32Error(::GetLastError(), u"Failed to invoke GetClientRect.");
-  return rect;
-}
-
-void WinNativeWindow::RecreateWindow() {
-  const auto window_manager = application_->GetWindowManager();
-  auto window_class = window_manager->GetGeneralWindowClass();
-
-  hwnd_ = CreateWindowExW(
-      0, window_class->GetName(), L"", CalcWindowStyle(style_flag_),
-      CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT,
-      parent_window_ == nullptr ? nullptr : parent_window_->GetWindowHandle(),
-      nullptr, application_->GetInstanceHandle(), nullptr);
-
-  if (hwnd_ == nullptr)
-    throw Win32Error(::GetLastError(), u"Failed to create window.");
-
-  auto dpi = ::GetDpiForWindow(hwnd_);
-  if (dpi == 0)
-    throw Win32Error(::GetLastError(), u"Failed to get dpi of window.");
-  dpi_ = static_cast<float>(dpi);
-  CRU_LOG_DEBUG(u"Dpi of window is {}.", dpi_);
-
-  window_manager->RegisterWindow(hwnd_, this);
-
-  SetCursor(application_->GetCursorManager()->GetSystemCursor(
-      cru::platform::gui::SystemCursorType::Arrow));
-
-  ::SetWindowTextW(hwnd_, title_.WinCStr());
-
-  window_render_target_ =
-      std::make_unique<graphics::win::direct::D2DWindowRenderTarget>(
-          application_->GetDirectFactory(), hwnd_);
-  window_render_target_->SetDpi(dpi_, dpi_);
-
-  input_method_context_ = std::make_unique<WinInputMethodContext>(this);
-  input_method_context_->DisableIME();
-}
-
-void WinNativeWindow::OnCreateInternal() { create_event_.Raise(nullptr); }
-
-void WinNativeWindow::OnDestroyInternal() {
-  destroy_event_.Raise(nullptr);
-  application_->GetWindowManager()->UnregisterWindow(hwnd_);
-  hwnd_ = nullptr;
-}
-
-void WinNativeWindow::OnPaintInternal() {
-  paint_event_.Raise(nullptr);
-  ValidateRect(hwnd_, nullptr);
-  if constexpr (DebugFlags::paint) {
-    CRU_LOG_DEBUG(u"A repaint is finished.");
-  }
-}
-
-void WinNativeWindow::OnMoveInternal(const int new_left, const int new_top) {
-  client_rect_.left = PixelToDip(new_left);
-  client_rect_.top = PixelToDip(new_top);
-}
-
-void WinNativeWindow::OnResizeInternal(const int new_width,
-                                       const int new_height) {
-  client_rect_.width = PixelToDip(new_width);
-  client_rect_.height = PixelToDip(new_height);
-  if (!(new_width == 0 && new_height == 0)) {
-    window_render_target_->ResizeBuffer(new_width, new_height);
-    resize_event_.Raise(Size{PixelToDip(new_width), PixelToDip(new_height)});
-  }
-}
-
-void WinNativeWindow::OnSetFocusInternal() {
-  has_focus_ = true;
-  focus_event_.Raise(FocusChangeType::Gain);
-}
-
-void WinNativeWindow::OnKillFocusInternal() {
-  has_focus_ = false;
-  focus_event_.Raise(FocusChangeType::Lose);
-}
-
-void WinNativeWindow::OnMouseMoveInternal(const POINT point) {
-  // when mouse was previous outside the window
-  if (!is_mouse_in_) {
-    // invoke TrackMouseEvent to have WM_MOUSELEAVE sent.
-    TRACKMOUSEEVENT tme;
-    tme.cbSize = sizeof tme;
-    tme.dwFlags = TME_LEAVE;
-    tme.hwndTrack = hwnd_;
-
-    TrackMouseEvent(&tme);
-
-    is_mouse_in_ = true;
-    mouse_enter_leave_event_.Raise(MouseEnterLeaveType::Enter);
-  }
-
-  mouse_move_event_.Raise(PixelToDip(point));
-}
-
-void WinNativeWindow::OnMouseLeaveInternal() {
-  is_mouse_in_ = false;
-  mouse_enter_leave_event_.Raise(MouseEnterLeaveType::Leave);
-}
-
-void WinNativeWindow::OnMouseDownInternal(platform::gui::MouseButton button,
-                                          POINT point) {
-  const auto dip_point = PixelToDip(point);
-  mouse_down_event_.Raise({button, dip_point, RetrieveKeyMofifier()});
-}
-
-void WinNativeWindow::OnMouseUpInternal(platform::gui::MouseButton button,
-                                        POINT point) {
-  const auto dip_point = PixelToDip(point);
-  mouse_up_event_.Raise({button, dip_point, RetrieveKeyMofifier()});
-}
-
-void WinNativeWindow::OnMouseWheelInternal(short delta, POINT point) {
-  const auto dip_point = PixelToDip(point);
-  const float d = -((float)delta / 120.f);
-  mouse_wheel_event_.Raise({d, dip_point, RetrieveKeyMofifier()});
-}
-
-void WinNativeWindow::OnKeyDownInternal(int virtual_code) {
-  key_down_event_.Raise(
-      {VirtualKeyToKeyCode(virtual_code), RetrieveKeyMofifier()});
-}
-
-void WinNativeWindow::OnKeyUpInternal(int virtual_code) {
-  key_up_event_.Raise(
-      {VirtualKeyToKeyCode(virtual_code), RetrieveKeyMofifier()});
-}
-
-void WinNativeWindow::OnActivatedInternal() {}
-
-void WinNativeWindow::OnDeactivatedInternal() {}
-}  // namespace cru::platform::gui::win