TextEdit.h

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// The MIT License (MIT)
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#pragma once

#include <functional>

#include "open3d/visualization/gui/Widget.h"

namespace open3d {
namespace visualization {
namespace gui {

class TextEdit : public Widget {
public:
    TextEdit();
    ~TextEdit();

    const char* GetText() const;
    void SetText(const char* text);

    const char* GetPlaceholderText() const;
    void SetPlaceholderText(const char* text);

    Size CalcPreferredSize(const LayoutContext& context,
                           const Constraints& constraints) const override;

    DrawResult Draw(const DrawContext& context) override;

    void SetOnTextChanged(std::function<void(const char*)> on_text_changed);
    void SetOnValueChanged(std::function<void(const char*)> on_value_changed);

protected:
    virtual bool ValidateNewText(const char* text);

private:
    struct Impl;
    std::unique_ptr<Impl> impl_;
};

}  // namespace gui
}  // namespace visualization
}  // namespace open3d