#pragma once

// Qt
#include <QObject> // Required for inheritance
#include <QTextObjectInterface> // Required for inheritance

class QSyntaxStyle;

/**
 * @brief Class, that describes
 * attribute for making text frame.
 */
class QFramedTextAttribute : public QObject,
                             public QTextObjectInterface
{
    Q_OBJECT
    Q_INTERFACES(QTextObjectInterface)

public:

    enum Property
    {
        FramedString = 1
    };

    /**
     * @brief Static method for getting framed text
     * attribute type.
     */
    static int type();

    /**
     * @brief Constructor.
     * @param parent Pointer to parent QObject.
     */
    explicit QFramedTextAttribute(QObject* parent=nullptr);

    // Disable copying
    QFramedTextAttribute(const QFramedTextAttribute&) = delete;
    QFramedTextAttribute& operator=(const QFramedTextAttribute&) = delete;

    /**
     * @brief Method for getting custom element (frame)
     * size. Though frame symbol has no size, this
     * method returns {0, 0}
     */
    QSizeF intrinsicSize(QTextDocument *doc,
                         int posInDocument,
                         const QTextFormat &format) override;

    /**
     * @brief Method for drawing frame.
     */
    void drawObject(QPainter *painter,
                    const QRectF &rect,
                    QTextDocument *doc,
                    int posInDocument,
                    const QTextFormat &format) override;

    /**
     * @brief Method for creating frame in cursor
     * selection.
     * @param cursor Cursor.
     */
    void frame(QTextCursor cursor);

    /**
     * @brief Method for clearing all frames
     * with desired cursor.
     */
    void clear(QTextCursor cursor);

    /**
     * @brief Method for setting syntax style
     * for rendering.
     */
    void setSyntaxStyle(QSyntaxStyle* style);

    /**
     * @brief Method for getting syntax style.
     */
    QSyntaxStyle* syntaxStyle() const;

private:

    QSyntaxStyle* m_style;
};