plasma-framework/src/plasma/plasma.h

318 lines
13 KiB
C++

/*
SPDX-FileCopyrightText: 2005 Aaron Seigo <aseigo@kde.org>
SPDX-License-Identifier: LGPL-2.0-or-later
*/
#ifndef PLASMA_DEFS_H
#define PLASMA_DEFS_H
/** @header plasma/plasma.h <Plasma/Plasma> */
#include <QObject>
#include <plasma/plasma_export.h>
class QAction;
/**
* Namespace for everything in libplasma
*/
namespace Plasma
{
/**
* @class Types plasma/plasma.h <Plasma/Plasma>
* @short Enums and constants used in Plasma
*
*/
class PLASMA_EXPORT Types : public QObject
{
Q_OBJECT
public:
~Types();
/**
* The Constraint enumeration lists the various constraints that Plasma
* objects have managed for them and which they may wish to react to,
* for instance in Applet::constraintsUpdated
*/
enum Constraint {
NoConstraint = 0, /**< No constraint; never passed in to Applet::constraintsEvent on its own */
FormFactorConstraint = 1, /**< The FormFactor for an object */
LocationConstraint = 2, /**< The Location of an object */
ScreenConstraint = 4, /**< Which screen an object is on */
ImmutableConstraint = 8, /**< the immutability (locked) nature of the applet changed */
StartupCompletedConstraint = 16, /**< application startup has completed */
ContextConstraint = 32, /**< the context (e.g. activity) has changed */
UiReadyConstraint = 64, /**< The ui has been completely loaded */ // (FIXME: merged with StartupCompletedConstraint?)
AllConstraints = FormFactorConstraint | LocationConstraint | ScreenConstraint |
ImmutableConstraint
};
Q_ENUM(Constraint)
Q_DECLARE_FLAGS(Constraints, Constraint)
/**
* This enumeration lists the various hints that an applet can pass to its
* constraint regarding the way that it is represented
*/
enum ConstraintHints {
NoHint = 0,
CanFillArea = 1 /**< The applet can fill the area and ignore constraint margins*/
};
Q_ENUM(ConstraintHints)
/**
* The FormFactor enumeration describes how a Plasma::Applet should arrange
* itself. The value is derived from the container managing the Applet
* (e.g. in Plasma, a Corona on the desktop or on a panel).
**/
enum FormFactor {
Planar = 0, /**< The applet lives in a plane and has two
degrees of freedom to grow. Optimize for
desktop, laptop or tablet usage: a high
resolution screen 1-3 feet distant from the
viewer. */
MediaCenter, /**< As with Planar, the applet lives in a plane
but the interface should be optimized for
medium-to-high resolution screens that are
5-15 feet distant from the viewer. Sometimes
referred to as a "ten foot interface".*/
Horizontal, /**< The applet is constrained vertically, but
can expand horizontally. */
Vertical, /**< The applet is constrained horizontally, but
can expand vertically. */
Application /**< The Applet lives in a plane and should be optimized to look as a full application,
for the desktop or the particular device. */
};
Q_ENUM(FormFactor)
/**
* This enumeration describes the type of the Containment.
* DesktopContainments represent main containments that will own a screen in a mutually exclusive fashion,
* while PanelContainments are accessories which can be present multiple per screen.
*/
enum ContainmentType {
NoContainmentType = -1, /**< @internal */
DesktopContainment = 0, /**< A desktop containment */
PanelContainment, /**< A desktop panel */
CustomContainment = 127, /**< A containment that is neither a desktop nor a panel
but something application specific */
CustomPanelContainment = 128, /**< A customized desktop panel */
CustomEmbeddedContainment = 129 /**< A customized containment embedded in another applet */
};
Q_ENUM(ContainmentType)
/**
* A descriptive type for QActions, to help categorizing them when presented to the user
*/
enum ActionType {
AddAction = 0, /**< The action will cause something new being created*/
ConfigureAction = 100, /**< The Action will make some kind of configuration ui to appear */
ControlAction = 200, /**< Generic control, similar to ConfigureAction TODO: better doc */
MiscAction = 300, /**< A type of action that doesn't fit in the other categories */
DestructiveAction = 400, /**< A dangerous action, such as deletion of objects, plasmoids and files. They are intended to be shown separated from other actions */
UserAction = DestructiveAction + 1000 /**< If new types are needed in a C++ implementation, define them as ids more than UserAction*/
};
Q_ENUM(ActionType)
/**
* The Direction enumeration describes in which direction, relative to the
* Applet (and its managing container), popup menus, expanders, balloons,
* message boxes, arrows and other such visually associated widgets should
* appear in. This is usually the opposite of the Location.
**/
enum Direction {
Down = 0, /**< Display downards */
Up, /**< Display upwards */
Left, /**< Display to the left */
Right /**< Display to the right */
};
Q_ENUM(Direction)
/**
* The Location enumeration describes where on screen an element, such as an
* Applet or its managing container, is positioned on the screen.
**/
enum Location {
Floating = 0, /**< Free floating. Neither geometry or z-ordering
is described precisely by this value. */
Desktop, /**< On the planar desktop layer, extending across
the full screen from edge to edge */
FullScreen, /**< Full screen */
TopEdge, /**< Along the top of the screen*/
BottomEdge, /**< Along the bottom of the screen*/
LeftEdge, /**< Along the left side of the screen */
RightEdge /**< Along the right side of the screen */
};
Q_ENUM(Location)
/**
* The position enumeration
*
**/
enum Position {
LeftPositioned, /**< Positioned left */
RightPositioned, /**< Positioned right */
TopPositioned, /**< Positioned top */
BottomPositioned, /**< Positioned bottom */
CenterPositioned /**< Positioned in the center */
};
Q_ENUM(Position)
/**
* The popup position enumeration relatively to his attached widget
*
**/
enum PopupPlacement {
FloatingPopup = 0, /**< Free floating, non attached popup */
TopPosedLeftAlignedPopup, /**< Popup positioned on the top, aligned
to the left of the widget */
TopPosedRightAlignedPopup, /**< Popup positioned on the top, aligned
to the right of the widget */
LeftPosedTopAlignedPopup, /**< Popup positioned on the left, aligned
to the top of the widget */
LeftPosedBottomAlignedPopup, /**< Popup positioned on the left, aligned
to the bottom of the widget */
BottomPosedLeftAlignedPopup, /**< Popup positioned on the bottom, aligned
to the left of the widget */
BottomPosedRightAlignedPopup, /**< Popup positioned on the bottom, aligned
to the right of the widget */
RightPosedTopAlignedPopup, /**< Popup positioned on the right, aligned
to the top of the widget */
RightPosedBottomAlignedPopup /**< Popup positioned on the right, aligned
to the bottom of the widget */
};
Q_ENUM(PopupPlacement)
/**
* Flip enumeration
*/
enum FlipDirection {
NoFlip = 0, /**< Do not flip */
HorizontalFlip = 1, /**< Flip horizontally */
VerticalFlip = 2 /**< Flip vertically */
};
Q_ENUM(FlipDirection)
Q_DECLARE_FLAGS(Flip, FlipDirection)
/**
* Possible timing alignments
**/
enum IntervalAlignment {
NoAlignment = 0, /**< No alignment **/
AlignToMinute, /**< Align to the minute **/
AlignToHour /**< Align to the hour **/
};
Q_ENUM(IntervalAlignment)
/**
* Defines the immutability of items like applets, corona and containments
* they can be free to modify, locked down by the user or locked down by the
* system (e.g. kiosk setups).
*/
enum ImmutabilityType {
Mutable = 1, /**< The item can be modified in any way **/
UserImmutable = 2, /**< The user has requested a lock down, and can undo
the lock down at any time **/
SystemImmutable = 4 /**< the item is locked down by the system, the user
can't unlock it **/
};
Q_ENUM(ImmutabilityType)
/**
* The ComonentType enumeration refers to the various types of components,
* or plugins, supported by plasma.
*/
enum ComponentType {
AppletComponent = 1, /**< Plasma::Applet based plugins **/
DataEngineComponent = 2, /**< Plasma::DataEngine based plugins **/
ContainmentComponent = 4,/**< Plasma::Containment based plugins **/
WallpaperComponent = 8, /**< Plasma::Wallpaper based plugins **/
GenericComponent = 16 /** Generic repositories of files, usually they keep QML files and their assets **/
};
Q_ENUM(ComponentType)
Q_DECLARE_FLAGS(ComponentTypes, ComponentType)
enum MarginEdge {
TopMargin = 0, /**< The top margin **/
BottomMargin, /**< The bottom margin **/
LeftMargin, /**< The left margin **/
RightMargin /**< The right margin **/
};
Q_ENUM(MarginEdge)
/**
* Status of an applet
* @since 4.3
*/
enum ItemStatus {
UnknownStatus = 0, /**< The status is unknown **/
PassiveStatus = 1, /**< The Item is passive **/
ActiveStatus = 2, /**< The Item is active **/
NeedsAttentionStatus = 3, /**< The Item needs attention **/
RequiresAttentionStatus = 4, /**< The Item needs persistent attention **/
AcceptingInputStatus = 5, /**< The Item is accepting input **/
//FIXME KF6: this should be the smallest status
HiddenStatus = 6 /**< The Item will be hidden totally **/
};
Q_ENUM(ItemStatus)
enum TrustLevel {
UnverifiableTrust = 0, /**< The trust of the object can not be verified, usually because no
trust information (e.g. a cryptographic signature) was provided */
CompletelyUntrusted, /**< The signature is broken/expired/false */
UnknownTrusted, /**< The signature is valid, but the key is unknown */
UserTrusted, /**< The signature is valid and made with a key signed by one of the
user's own keys*/
SelfTrusted, /**< The signature is valid and made with one of the user's own keys*/
FullyTrusted, /**< The signature is valid and made with a key signed by the vendor's key*/
UltimatelyTrusted /**< The signature is valid and made with the vendor's key*/
};
Q_ENUM(TrustLevel)
/**
* Description on how draw a background for the applet
*/
enum BackgroundHints {
NoBackground = 0, /**< Not drawing a background under the applet, the applet has its own implementation */
StandardBackground = 1, /**< The standard background from the theme is drawn */
TranslucentBackground = 2, /**< An alternate version of the background is drawn, usually more translucent */
ShadowBackground = 4, /**< The applet won't have a svg background but a drop shadow of its content done via a shader */
ConfigurableBackground = 8, /** If the hint has this flag, the user is able to configure this background */
DefaultBackground = StandardBackground /**< Default settings: both standard background */
};
Q_ENUM(BackgroundHints)
//TODO KF6: BackgroundHint and BackgroundHints
Q_DECLARE_FLAGS(BackgroundFlags, BackgroundHints)
private:
Types(QObject *parent = nullptr);
};
/**
* Converts a location to a direction. Handy for figuring out which way to send a popup based on
* location or to point arrows and other directional items.
*
* @param location the location of the container the element will appear in
* @return the visual direction the element should be oriented in
**/
PLASMA_EXPORT Types::Direction locationToDirection(Types::Location location);
/**
* Converts a location to the direction facing it. Handy for figuring out which way to collapse
* a popup or to point arrows at the item itself.
*
* @param location the location of the container the element will appear in
* @return the visual direction the element should be oriented in
**/
PLASMA_EXPORT Types::Direction locationToInverseDirection(Types::Location location);
Q_DECLARE_OPERATORS_FOR_FLAGS(Types::Constraints)
Q_DECLARE_OPERATORS_FOR_FLAGS(Types::Flip)
Q_DECLARE_OPERATORS_FOR_FLAGS(Types::ComponentTypes)
Q_DECLARE_OPERATORS_FOR_FLAGS(Types::BackgroundFlags)
} // Plasma namespace
#endif // multiple inclusion guard