/usr/include/solid/button.h is in kdelibs5-dev 4:4.13.0-0ubuntu1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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Copyright 2006 Davide Bettio <davide.bettio@kdemail.net>
Copyright 2007 Kevin Ottens <ervin@kde.org>
This library is free software; you can redistribute it and/or
modify it under the terms of the GNU Lesser General Public
License as published by the Free Software Foundation; either
version 2.1 of the License, or (at your option) version 3, or any
later version accepted by the membership of KDE e.V. (or its
successor approved by the membership of KDE e.V.), which shall
act as a proxy defined in Section 6 of version 3 of the license.
This library 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
Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library. If not, see <http://www.gnu.org/licenses/>.
*/
#ifndef SOLID_BUTTON_H
#define SOLID_BUTTON_H
#include <solid/solid_export.h>
#include <solid/deviceinterface.h>
namespace Solid
{
class ButtonPrivate;
class Device;
/**
* This device interface is available on button devices.
*
* A button is a device, like power button or lid switch, that can be pressed by user.
* Some buttons can have two states (Enabled/Disabled, On/Off ...), other buttons haven't state.
*
* @author Davide Bettio <davide.bettio@kdemail.net>
*/
class SOLID_EXPORT Button : public DeviceInterface
{
Q_OBJECT
Q_ENUMS(ButtonType)
Q_PROPERTY(ButtonType type READ type)
Q_PROPERTY(bool hasState READ hasState)
Q_PROPERTY(bool stateValue READ stateValue)
Q_DECLARE_PRIVATE(Button)
friend class Device;
public:
/**
* This enum type defines the type of button.
*
* - LidButton : The switch on a laptop that senses whether the lid is open or closed.
* - PowerButton : The main power button on the computer.
* - SleepButton : The sleep button on a computer capable of putting the computer into a suspend state.
* - TabletButton : The tablet switch on a laptop that senses if the monitor is rotated or not.
* - UnknownButtonType : The type of the button is unknow.
*/
enum ButtonType{ LidButton, PowerButton, SleepButton, UnknownButtonType, TabletButton };
private:
/**
* Creates a new Button object.
* You generally won't need this. It's created when necessary using
* Device::as().
*
* @param backendObject the device interface object provided by the backend
* @see Solid::Device::as()
*/
explicit Button(QObject *backendObject);
public:
/**
* Destroys a Button object.
*/
virtual ~Button();
/**
* Get the Solid::DeviceInterface::Type of the Button device interface.
*
* @return the Button device interface type
* @see Solid::DeviceInterface::Type
*/
static Type deviceInterfaceType() { return DeviceInterface::Button; }
/**
* Retrieves the type of button device.
*
* @return the type of button device.
* @see Solid::Button::ButtonType
*/
ButtonType type() const;
/**
* Indicates if the button mantains state (Can toggled on/off).
*
* @return true if the button maintains state, false otherwise.
* @see stateValue()
*/
bool hasState() const;
/**
* Retrieves the state of the button.
* A button can have two states (Enabled/Disabled, On/Off ...).
* Available only if hasState is true.
*
* @return true if the button is enabled, false otherwise.
* @see hasState()
*/
bool stateValue() const;
Q_SIGNALS:
/**
* This signal is emitted when the button is pressed.
*
* @param type the type of button device, it's one of
* the type Solid::Button::ButtonType
* @see Solid::Button::ButtonType
* @param udi the UDI of the button
*/
void pressed(Solid::Button::ButtonType type, const QString &udi);
};
}
#endif
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