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#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()
{
return new TextBox();
}
protected:
TextBox();
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;
};
}
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