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103 lines
2.6 KiB
C++
103 lines
2.6 KiB
C++
/*
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* Copyright (C) 2020 Vlad Zahorodnii <vlad.zahorodnii@kde.org>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <kwin_export.h>
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#include <QImage>
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#include <QMap>
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#include <QVector>
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#include <chrono>
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namespace KWin
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{
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/**
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* The KXcursorSprite class represents a single sprite in the Xcursor theme.
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*/
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class KWIN_EXPORT KXcursorSprite
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{
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public:
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/**
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* Constructs an empty XcursorSprite.
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*/
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KXcursorSprite();
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/**
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* Constructs an XcursorSprite with the specified @a data, @a hotspot, and @a delay.
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*/
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KXcursorSprite(const QImage &data, const QPoint &hotspot,
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const std::chrono::milliseconds &delay);
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/**
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* Returns the image for this sprite.
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*/
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QImage data() const;
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/**
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* Returns the hotspot for this sprite. (0, 0) corresponds to the upper left corner.
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*
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* The coordinates of the hotspot are in device pixels.
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*/
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QPoint hotspot() const;
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/**
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* Returns the time interval between this sprite and the next one, in milliseconds.
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*/
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std::chrono::milliseconds delay() const;
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private:
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QImage m_data;
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QPoint m_hotspot;
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std::chrono::milliseconds m_delay;
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};
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/**
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* The KXcursorTheme class represents an Xcursor theme.
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*/
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class KWIN_EXPORT KXcursorTheme
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{
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public:
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/**
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* Returns the ratio between device pixels and logical pixels for the Xcursor theme.
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*/
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qreal devicePixelRatio() const;
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/**
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* Returns @c true if the Xcursor theme is empty; otherwise returns @c false.
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*/
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bool isEmpty() const;
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/**
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* Returns the list of cursor sprites for the cursor with the given @a name.
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*/
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QVector<KXcursorSprite> shape(const QByteArray &name) const;
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/**
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* Attempts to load the Xcursor theme with the given @a themeName and @a size.
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*/
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static KXcursorTheme fromTheme(const QString &themeName, int size, qreal dpr);
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private:
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QMap<QByteArray, QVector<KXcursorSprite>> m_cursorRegistry;
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qreal m_devicePixelRatio = 1;
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};
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} // namespace KWin
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