kde-workspace/plasma/declarativeimports/plasmacomponents/units.h
Ivailo Monev efbde9e504 plasma: organize sub-directories
Signed-off-by: Ivailo Monev <xakepa10@gmail.com>
2015-12-24 22:48:47 +02:00

65 lines
1.6 KiB
C++

/*
* Copyright 2013 Marco Martin <mart@kde.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Library General Public License as
* published by the Free Software Foundation; either version 2, 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 Library General Public
* License along with this program; if not, write to the
* Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
#ifndef UNITS_H
#define UNITS_H
#include <QObject>
class Units : public QObject
{
Q_OBJECT
/**
* The fundamental unit of space that should be used for sizes, expressed in pixels.
* Given the screen has an accurate DPI settings, it corresponds to a millimeter
*/
Q_PROPERTY(qreal gridUnit READ gridUnit NOTIFY gridUnitChanged())
public:
Units(QObject *parent = 0);
~Units();
qreal gridUnit() const;
/**
* @returns the number of pixels value density independent pixels correspond to.
*/
Q_INVOKABLE qreal dp(qreal value) const;
/**
* @returns the number of pixels value grid units correspond to.
*/
Q_INVOKABLE qreal gu(qreal value) const;
Q_SIGNALS:
void gridUnitChanged();
private Q_SLOTS:
void themeChanged();
private:
int m_gridUnit;
};
#endif //UNITS_H