1 files changed, 57 insertions, 0 deletions
diff --git a/src/ui/controls/text_box.hpp b/src/ui/controls/text_box.hpp
new file mode 100644
index 00000000..434aa232
--- /dev/null
+++ b/src/ui/controls/text_box.hpp
@@ -0,0 +1,57 @@
+#pragma once
+
+#include "text_control.hpp"
+#include "timer.hpp"
+
+namespace cru::ui::controls
+{
+    class TextBox : public TextControl
+    {
+    public:
+        static constexpr auto control_type = L"TextBox";
+
+        static TextBox* Create(
+            const Microsoft::WRL::ComPtr<IDWriteTextFormat>& init_text_format = nullptr,
+            const Microsoft::WRL::ComPtr<ID2D1Brush>& init_brush = nullptr)
+        {
+            return new TextBox(init_text_format, init_brush);
+        }
+
+    protected:
+        explicit TextBox(
+            const Microsoft::WRL::ComPtr<IDWriteTextFormat>& init_text_format,
+            const Microsoft::WRL::ComPtr<ID2D1Brush>& init_brush
+        );
+    public:
+        TextBox(const TextBox& other) = delete;
+        TextBox(TextBox&& other) = delete;
+        TextBox& operator=(const TextBox& other) = delete;
+        TextBox& operator=(TextBox&& other) = delete;
+        ~TextBox() override;
+
+        StringView GetControlType() const override final;
+
+    protected:
+        void OnDrawContent(ID2D1DeviceContext* device_context) override;
+
+        void OnGetFocusCore(events::FocusChangeEventArgs& args) override final;
+        void OnLoseFocusCore(events::FocusChangeEventArgs& args) override final;
+
+        void OnKeyDownCore(events::KeyEventArgs& args) override final;
+        void OnCharCore(events::CharEventArgs& args) override final;
+
+        void RequestChangeCaretPosition(unsigned position) override final;
+
+    private:
+        // return true if left
+        bool GetCaretSelectionSide() const;
+        void ShiftLeftSelectionRange(int count);
+        void ShiftRightSelectionRange(int count);
+
+    private:
+        unsigned caret_position_ = 0;
+        std::optional<TimerTask> caret_timer_{};
+        Microsoft::WRL::ComPtr<ID2D1Brush> caret_brush_;
+        bool is_caret_show_ = false;
+    };
+}