Impl sdl input method context.

1 files changed, 42 insertions, 0 deletions

diff --git a/include/cru/platform/gui/sdl/InputMethod.h b/include/cru/platform/gui/sdl/InputMethod.h
new file mode 100644
index 00000000..77a78999
--- /dev/null
+++ b/include/cru/platform/gui/sdl/InputMethod.h
@@ -0,0 +1,42 @@
+#pragma once
+
+#include "Base.h"
+
+#include <cru/platform/gui/InputMethod.h>
+
+#include <SDL3/SDL_events.h>
+#include <SDL3/SDL_video.h>
+
+namespace cru::platform::gui::sdl {
+class SdlWindow;
+
+class SdlInputMethodContext : public SdlResource,
+                              public virtual IInputMethodContext {
+  friend SdlWindow;
+
+ public:
+  explicit SdlInputMethodContext(SdlWindow* window);
+
+  bool ShouldManuallyDrawCompositionText() override;
+  void EnableIME() override;
+  void DisableIME() override;
+
+  /**
+   * Note: SDL doesn't support this. So it actually calls CancelComposition().
+   */
+  void CompleteComposition() override;
+  void CancelComposition() override;
+
+  CompositionText GetCompositionText() override;
+
+  void SetCandidateWindowPosition(const Point& point) override;
+
+  CRU_DEFINE_CRU_PLATFORM_GUI_I_INPUT_METHOD_OVERRIDE_EVENTS()
+
+ private:
+  bool HandleEvent(const SDL_Event* event);
+
+ private:
+  SdlWindow* window_;
+};
+}  // namespace cru::platform::gui::sdl