/* Copyright (C) 2020, KylinSoft Co., Ltd.


 * This file is part of Kylin-Screenshot.
 * This program is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License
 * along with this program.  If not, see <https://www.gnu.org/licenses/>.
*/
#pragma once

#include "src/tools/capturetool.h"
#include <QPointer>

class TextWidget;
class TextConfig;

class TextTool : public CaptureTool
{
    Q_OBJECT
public:
    explicit TextTool(QObject *parent = nullptr);

    bool isValid() const override;
    bool closeOnButtonPressed() const override;
    bool isSelectable() const override;
    bool showMousePreview() const override;

    QIcon icon(const QColor &background, bool inEditor) const override;
#ifdef SUPPORT_UKUI
    QIcon icon(const QColor &background, bool inEditor,
               const CaptureContext &context) const override;
#endif
    QString name() const override;
    static QString nameID();
    QString description() const override;

    QWidget *widget() override;
    QWidget *configurationWidget() override;
    CaptureTool *copy(QObject *parent = nullptr) override;

    void undo(QPixmap &pixmap) override;
    void process(
        QPainter &painter, const QPixmap &pixmap, bool recordUndo = false) override;
    void paintMousePreview(QPainter &painter, const CaptureContext &context) override;

public slots:
    void drawEnd(const QPoint &p) override;
    void drawMove(const QPoint &p) override;
    void drawStart(const CaptureContext &context) override;
    void pressed(const CaptureContext &context) override;
    void colorChanged(const QColor &c) override;
    void thicknessChanged(const int th) override;
    void textthicknessChanged(const int th) override;
    void textChanged(const CaptureContext &context) override;

private slots:
    void updateText(const QString &s);
    void setFont(const QFont &f);
    void updateFamily(const QString &s);
    void updateFontUnderline(const bool underlined);
    void updateFontStrikeOut(const bool s);
    void updateFontWeight(const QFont::Weight w);
    void updateFontItalic(const bool italic);

private:
    QFont m_font;
    QString m_text;
    int m_size;
    QColor m_color;
    QPixmap m_pixmapBackup;
    QRect m_backupArea;
    QRect rect;
    QPointer<TextWidget> m_widget;
    QPointer<TextConfig> m_confW;
    QVector<QString> m_listString;
    void splitString(QString text, QSize size, int n);
    qreal devicePixelRatio;
    QPoint startPos;
};
