1 files changed, 59 insertions, 0 deletions
diff --git a/src/osx/gui/InputMethodPrivate.h b/src/osx/gui/InputMethodPrivate.h
new file mode 100644
index 00000000..a4b61432
--- /dev/null
+++ b/src/osx/gui/InputMethodPrivate.h
@@ -0,0 +1,59 @@
+#pragma once
+#include "cru/osx/gui/InputMethod.hpp"
+
+#import <AppKit/AppKit.h>
+
+@interface CruInputClient : NSObject <NSTextInputClient>
+- (id)init:(cru::platform::gui::osx::details::OsxInputMethodContextPrivate*)p;
+@end
+
+namespace cru::platform::gui::osx {
+namespace details {
+class OsxInputMethodContextPrivate {
+  friend OsxInputMethodContext;
+
+ public:
+  OsxInputMethodContextPrivate(OsxInputMethodContext* input_method_context, OsxWindow* window);
+
+  CRU_DELETE_COPY(OsxInputMethodContextPrivate)
+  CRU_DELETE_MOVE(OsxInputMethodContextPrivate)
+
+  ~OsxInputMethodContextPrivate();
+
+  void SetCompositionText(CompositionText composition_text) {
+    composition_text_ = std::move(composition_text);
+  }
+
+  void RaiseCompositionStartEvent();
+  void RaiseCompositionEndEvent();
+  void RaiseCompositionEvent();
+  void RaiseTextEvent(StringView text);
+
+  Point GetCandidateWindowPosition() const { return candidate_window_point_; }
+  void SetCandidateWindowPosition(const Point& p) { candidate_window_point_ = p; }
+
+  Range GetSelectionRange() const { return selection_range_; }
+  void SetSelectionRange(Range selection_range) { selection_range_ = selection_range; }
+
+  void PerformSel(SEL sel);
+
+ private:
+  OsxWindow* window_;
+
+  CompositionText composition_text_;
+
+  Range selection_range_;
+
+  OsxInputMethodContext* input_method_context_;
+
+  // On Osx, this is the text lefttop point on screen.
+  Point candidate_window_point_;
+
+  Event<std::nullptr_t> composition_start_event_;
+  Event<std::nullptr_t> composition_event_;
+  Event<std::nullptr_t> composition_end_event_;
+  Event<StringView> text_event_;
+};
+
+}
+}