1 files changed, 64 insertions, 0 deletions
diff --git a/src/platform/gui/osx/InputMethodPrivate.h b/src/platform/gui/osx/InputMethodPrivate.h
new file mode 100644
index 00000000..ac2d1bf4
--- /dev/null
+++ b/src/platform/gui/osx/InputMethodPrivate.h
@@ -0,0 +1,64 @@
+#pragma once
+#include "cru/platform/gui/osx/InputMethod.h"
+
+#include <AppKit/AppKit.h>
+
+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);
+
+  void Activate();
+  void Deactivate();
+
+ 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_;
+
+  bool is_enabled_ = false;
+};
+}  // namespace details
+}  // namespace cru::platform::gui::osx