6 files changed, 30 insertions, 6 deletions
diff --git a/include/cru/platform/native/input_method.hpp b/include/cru/platform/native/input_method.hpp
index 48895f84..4034be4e 100644
--- a/include/cru/platform/native/input_method.hpp
+++ b/include/cru/platform/native/input_method.hpp
@@ -1,8 +1,10 @@
 #pragma once
 #include "../resource.hpp"
 #include "base.hpp"
+
 #include "cru/common/event.hpp"
 
+#include <iostream>
 #include <memory>
 #include <vector>
 
@@ -21,6 +23,23 @@ struct CompositionText {
   TextRange selection;
 };
 
+inline std::ostream& operator<<(std::ostream& stream,
+                                const CompositionText& composition_text) {
+  stream << "text: " << composition_text.text << "\n"
+         << "clauses:\n";
+  for (int i = 0; i < composition_text.clauses.size(); i++) {
+    const auto& clause = composition_text.clauses[i];
+    stream << "\t" << i << ". start:" << clause.start << " end:" << clause.end;
+    if (clause.target) {
+      stream << " target";
+    }
+    stream << "\n";
+  }
+  stream << "selection: position:" << composition_text.selection.position
+         << " count:" << composition_text.selection.count;
+  return stream;
+}
+
 struct IInputMethodContext : virtual INativeResource {
   // Return true if you should draw composition text manually. Return false if
   // system will take care of that for you.
diff --git a/include/cru/platform/native/ui_application.hpp b/include/cru/platform/native/ui_application.hpp
index 92222929..006255db 100644
--- a/include/cru/platform/native/ui_application.hpp
+++ b/include/cru/platform/native/ui_application.hpp
@@ -47,4 +47,7 @@ struct IUiApplication : public virtual INativeResource {
   virtual ICursorManager* GetCursorManager() = 0;
   virtual IInputMethodManager* GetInputMethodManager() = 0;
 };
+
+// Bootstrap from this.
+std::unique_ptr<IUiApplication> CreateUiApplication();
 }  // namespace cru::platform::native
diff --git a/include/cru/platform/native/window.hpp b/include/cru/platform/native/window.hpp
index dcb9effa..49b00023 100644
--- a/include/cru/platform/native/window.hpp
+++ b/include/cru/platform/native/window.hpp
@@ -3,7 +3,7 @@
 #include "base.hpp"
 #include "cru/common/event.hpp"
 
-#include <string>
+#include <string_view>
 
 namespace cru::platform::native {
 // Represents a native window, which exposes some low-level events and
@@ -57,7 +57,7 @@ struct INativeWindow : virtual INativeResource {
   virtual IEvent<NativeMouseButtonEventArgs>* MouseUpEvent() = 0;
   virtual IEvent<NativeKeyEventArgs>* KeyDownEvent() = 0;
   virtual IEvent<NativeKeyEventArgs>* KeyUpEvent() = 0;
-  virtual IEvent<std::string>* CharEvent() = 0;
+  virtual IEvent<std::string_view>* CharEvent() = 0;
 };
 
 // See INativeWindow for more info.
diff --git a/include/cru/win/graph/direct/text_layout.hpp b/include/cru/win/graph/direct/text_layout.hpp
index 5f7be9f3..462a5fd3 100644
--- a/include/cru/win/graph/direct/text_layout.hpp
+++ b/include/cru/win/graph/direct/text_layout.hpp
@@ -45,8 +45,8 @@ class DWriteTextLayout : public DirectGraphResource,
   std::string text_;
   std::wstring w_text_;
   std::shared_ptr<DWriteFont> font_;
-  float max_width_ = 0.0f;
-  float max_height_ = 0.0f;
+  float max_width_ = 10000.0f;
+  float max_height_ = 10000.0f;
   Microsoft::WRL::ComPtr<IDWriteTextLayout> text_layout_;
 };
 }  // namespace cru::platform::graph::win::direct
diff --git a/include/cru/win/native/input_method.hpp b/include/cru/win/native/input_method.hpp
index 566eada2..8e17abd5 100644
--- a/include/cru/win/native/input_method.hpp
+++ b/include/cru/win/native/input_method.hpp
@@ -64,6 +64,8 @@ class WinInputMethodContext : public WinNativeResource,
  private:
   void OnWindowNativeMessage(WindowNativeMessageEventArgs& args);
 
+  std::string GetResultString();
+
   std::optional<AutoHIMC> TryGetHIMC();
 
  private:
diff --git a/include/cru/win/native/window.hpp b/include/cru/win/native/window.hpp
index 45f1f16a..83497fa6 100644
--- a/include/cru/win/native/window.hpp
+++ b/include/cru/win/native/window.hpp
@@ -72,7 +72,7 @@ class WinNativeWindow : public WinNativeResource, public virtual INativeWindow {
   IEvent<platform::native::NativeKeyEventArgs>* KeyUpEvent() override {
     return &key_up_event_;
   }
-  IEvent<std::string>* CharEvent() override { return &char_event_; };
+  IEvent<std::string_view>* CharEvent() override { return &char_event_; };
 
   IEvent<WindowNativeMessageEventArgs&>* NativeMessageEvent() {
     return &native_message_event_;
@@ -146,7 +146,7 @@ class WinNativeWindow : public WinNativeResource, public virtual INativeWindow {
   Event<platform::native::NativeMouseButtonEventArgs> mouse_up_event_;
   Event<platform::native::NativeKeyEventArgs> key_down_event_;
   Event<platform::native::NativeKeyEventArgs> key_up_event_;
-  Event<std::string> char_event_;
+  Event<std::string_view> char_event_;
 
   Event<WindowNativeMessageEventArgs&> native_message_event_;