textmessageindicator.h

/*
   SPDX-FileCopyrightText: 2014-2024 Laurent Montel <montel@kde.org>
 
   SPDX-License-Identifier: LGPL-2.0-or-later
*/
 
#pragma once
 
#include <QWidget>
class QTimer;
namespace TextCustomEditor
{
/**
 * @short A widget that displays messages in the top-left corner.
 *
 * This is a widget with thin border and rounded corners that displays a given
 * text along as an icon. It's meant to be used for displaying messages to the
 * user by placing this above other widgets.
 * @author Laurent Montel <montel@kde.org>
 */
class TextMessageIndicator : public QWidget
{
    Q_OBJECT
public:
    explicit TextMessageIndicator(QWidget *parent = nullptr);
 
    enum Icon {
        None,
        Info,
        Warning,
        Error,
    };
 
    void display(const QString &message, const QString &details = QString(), Icon icon = None, int durationMs = 4000);
 
protected:
    bool eventFilter(QObject *obj, QEvent *event) override;
    void paintEvent(QPaintEvent *e) override;
    void mousePressEvent(QMouseEvent *e) override;
 
private:
    QRect computeTextRect(const QString &message, int extra_width) const;
    void computeSizeAndResize();
    QString mMessage;
    QString mDetails;
    QPixmap mSymbol;
    QTimer *mTimer = nullptr;
    int mLineSpacing = 0;
};
}