File indexing completed on 2024-04-21 16:17:34

 /*
  *  SPDX-FileCopyrightText: 2012 Alejandro Fiestas Olivares <afiestas@kde.org>
  *  SPDX-FileCopyrightText: 2014 Daniel Vrátil <dvratil@redhat.com>
  *
  *  SPDX-License-Identifier: LGPL-2.1-or-later
  */
 
 #ifndef OUTPUT_CONFIG_H
 #define OUTPUT_CONFIG_H
 
 #include "kscreen_export.h"
 #include "types.h"
 
 #include <QDebug>
 #include <QMetaType>
 #include <QObject>
 #include <QPoint>
 #include <QSize>
 #include <QStringList>
 
 namespace KScreen
 {
 class Edid;
 class Mode;
 
 class KSCREEN_EXPORT Output : public QObject
 {
     Q_OBJECT
     Q_CLASSINFO("RegisterEnumClassesUnscoped", "false")
 public:
     Q_PROPERTY(int id READ id CONSTANT)
     Q_PROPERTY(QString name READ name WRITE setName NOTIFY outputChanged)
     Q_PROPERTY(Type type READ type WRITE setType NOTIFY outputChanged)
     Q_PROPERTY(QString icon READ icon WRITE setIcon NOTIFY outputChanged)
     Q_PROPERTY(ModeList modes READ modes NOTIFY modesChanged)
     Q_PROPERTY(QPoint pos READ pos WRITE setPos NOTIFY posChanged)
     Q_PROPERTY(QSize size READ size WRITE setSize NOTIFY sizeChanged)
     Q_PROPERTY(Rotation rotation READ rotation WRITE setRotation NOTIFY rotationChanged)
     Q_PROPERTY(QString currentModeId READ currentModeId WRITE setCurrentModeId NOTIFY currentModeIdChanged)
     Q_PROPERTY(QString preferredModeId READ preferredModeId CONSTANT)
     Q_PROPERTY(bool connected READ isConnected WRITE setConnected NOTIFY isConnectedChanged)
     Q_PROPERTY(bool enabled READ isEnabled WRITE setEnabled NOTIFY isEnabledChanged)
     Q_PROPERTY(bool primary READ isPrimary WRITE setPrimary NOTIFY priorityChanged)
     Q_PROPERTY(uint32_t priority READ priority WRITE setPriority NOTIFY priorityChanged)
     Q_PROPERTY(QList<int> clones READ clones WRITE setClones NOTIFY clonesChanged)
     Q_PROPERTY(int replicationSource READ replicationSource WRITE setReplicationSource NOTIFY replicationSourceChanged)
     Q_PROPERTY(KScreen::Edid *edid READ edid CONSTANT)
     Q_PROPERTY(QSize sizeMm READ sizeMm CONSTANT)
     Q_PROPERTY(qreal scale READ scale WRITE setScale NOTIFY scaleChanged)
     Q_PROPERTY(bool followPreferredMode READ followPreferredMode WRITE setFollowPreferredMode NOTIFY followPreferredModeChanged)
     Q_PROPERTY(QSizeF explicitLogicalSize READ explicitLogicalSize WRITE setExplicitLogicalSize NOTIFY explicitLogicalSizeChanged)
     Q_PROPERTY(Capabilities capabilities READ capabilities NOTIFY capabilitiesChanged)
     Q_PROPERTY(uint32_t overscan READ overscan WRITE setOverscan NOTIFY overscanChanged)
     Q_PROPERTY(VrrPolicy vrrPolicy READ vrrPolicy WRITE setVrrPolicy NOTIFY vrrPolicyChanged)
     Q_PROPERTY(RgbRange rgbRange READ rgbRange WRITE setRgbRange NOTIFY rgbRangeChanged)
 
     enum Type {
         Unknown,
         VGA,
         DVI,
         DVII,
         DVIA,
         DVID,
         HDMI,
         Panel,
         TV,
         TVComposite,
         TVSVideo,
         TVComponent,
         TVSCART,
         TVC4,
         DisplayPort,
     };
     Q_ENUM(Type)
 
     enum Rotation {
         None = 1,
         Left = 2,
         Inverted = 4,
         Right = 8,
     };
     Q_ENUM(Rotation)
 
     enum class Capability {
         Overscan = 0x1,
         Vrr = 0x2,
         RgbRange = 0x4,
     };
     Q_ENUM(Capability)
     Q_DECLARE_FLAGS(Capabilities, Capability)
     Q_FLAG(Capabilities)
 
     enum class VrrPolicy {
         Never = 0,
         Always = 1,
         Automatic = 2,
     };
     Q_ENUM(VrrPolicy)
 
     enum class RgbRange {
         Automatic = 0,
         Full = 1,
         Limited = 2,
     };
     Q_ENUM(RgbRange)
 
     explicit Output();
     ~Output() override;
 
     OutputPtr clone() const;
 
     int id() const;
     void setId(int id);
 
     QString name() const;
     void setName(const QString &name);
 
     /**
      * Returns an identifying hash for this output.
      *
      * The hash is calculated either via the edid hash or if no
      * edid is available by the output name.
      *
      * @return identifying hash of this output
      * @since 5.15
      * @deprecated
      * @see hashMd5
      */
     QString hash() const;
 
     /**
      * Returns an identifying hex encoded MD5-hash for this output.
      *
      * The hash is calculated either via the edid hash or if no
      * edid is available by the output name, which is hashed as well.
      *
      * @return identifying hash of this output
      * @since 5.17
      */
     QString hashMd5() const;
 
     Type type() const;
     QString typeName() const;
     void setType(Type type);
 
     QString icon() const;
     void setIcon(const QString &icon);
 
     Q_INVOKABLE ModePtr mode(const QString &id) const;
     ModeList modes() const;
     void setModes(const ModeList &modes);
 
     QString currentModeId() const;
     void setCurrentModeId(const QString &mode);
     Q_INVOKABLE ModePtr currentMode() const;
 
     void setPreferredModes(const QStringList &modes);
     QStringList preferredModes() const;
     /**
      * Returns the preferred mode with higher resolution and refresh
      */
     Q_INVOKABLE QString preferredModeId() const;
     /**
      * Returns KScreen::Mode associated with preferredModeId()
      */
     Q_INVOKABLE ModePtr preferredMode() const;
 
     QPoint pos() const;
     void setPos(const QPoint &pos);
 
     /***
      * Returns actual size being rendered in the output
      *
      * The returned valued is after transformations have been applied to
      * the resolution of the current mode.
      *
      * For example if currentMode is 1280x800 but it is a vertical screen
      * the returned size will be 800x1280.
      *
      * If that same resolution (1280x800) is transformed and scale x2, the
      * value returned will be 2560x1600.
      *
      * This property reflects the currently active output configuration and
      * is not affected by current mode or orientation change made by user
      * until the config is applied.
      *
      * @since 5.4
      */
     QSize size() const;
     void setSize(const QSize &size);
 
     /**
      * Returns either current mode size or if not available preferred one or if also not
      * available the first one in the ModeList.
      *
      * @return mode size
      */
     QSize enforcedModeSize() const;
 
     Rotation rotation() const;
     void setRotation(Rotation rotation);
     /**
      * A comfortable function that returns true when output is not rotated
      * or is rotated upside down.
      */
     Q_INVOKABLE inline bool isHorizontal() const
     {
         return ((rotation() == Output::None) || (rotation() == Output::Inverted));
     }
 
     bool isConnected() const;
     void setConnected(bool connected);
 
     bool isEnabled() const;
     void setEnabled(bool enabled);
 
     bool isPrimary() const;
     void setPrimary(bool primary);
 
     uint32_t priority() const;
     void setPriority(uint32_t priority);
 
     /**
      * @brief Immutable clones because of hardware restrictions
      *
      * Clones are set symmetrically on all outputs. The list contains ids
      * for all other outputs being clones of this output.
      *
      * @return List of output ids being clones of each other.
      */
     QList<int> clones() const;
     /**
      * @brief Set the clones list.
      *
      * When this output is part of a configuration this call is followed by
      * similar calls on other outputs making the lists in all outputs
      * symmetric.
      * @param outputlist
      */
     void setClones(const QList<int> &outputlist);
 
     /**
      * @brief Provides the source for an ongoing replication
      *
      * If the returned output id is non-null this output is a replica of the
      * returned output. If null is returned the output is no replica of any
      * other output.
      *
      * @return Replication source output id of this output
      */
     int replicationSource() const;
     /**
      * @brief Set the replication source.
      * @param source
      */
     void setReplicationSource(int source);
 
     void setEdid(const QByteArray &rawData);
 
     /**
      * edid returns the output's EDID information if available.
      *
      * The output maintains ownership of the returned Edid, so the caller should not delete it.
      * Note that the edid is only valid as long as the output is alive.
      */
     Edid *edid() const;
 
     /**
      * Returns the physical size of the screen in milimeters.
      *
      * @note Some broken GPUs or monitors return the size in centimeters instead
      * of millimeters. KScreen at the moment is not sanitizing the values.
      */
     QSize sizeMm() const;
     void setSizeMm(const QSize &size);
 
     /**
      * Returns if the output needs to be taken account for in the overall compositor/screen
      * space and if it should be depicted on its own in a graphical view for repositioning.
      *
      * @return true if the output is positionable in compositor/screen space.
      *
      * @since 5.17
      */
     bool isPositionable() const;
 
     /**
      * Returns a rectangle containing the currently set output position and
      * size.
      *
      * The geometry also reflects current orientation (i.e. if current mode
      * is 1920x1080 and orientation is @p KScreen::Output::Left, then the
      * size of the returned rectangle will be 1080x1920.
      *
      * This property contains the current settings stored in the particular
      * Output object, so it is updated even when user changes current mode
      * or orientation without applying the whole config/
      */
     QRect geometry() const;
 
     /**
      * returns the scaling factor to use for this output
      *
      * @since 5.9
      */
     qreal scale() const;
 
     /**
      * Set the scaling factor for this output.
      *
      * @arg factor Scale factor to use for this output, the backend may or may not
      * be able to deal with non-integer values, in that case, the factor gets rounded.
      *
      * @since 5.9
      */
     void setScale(qreal factor);
 
     /**
      * The logical size is the output's representation internal to the display server and its
      * overall screen geometry.
      *
      * returns the explicitly set logical size of this output, is an invalid size if not set
      *
      * @since 5.18
      */
     QSizeF explicitLogicalSize() const;
 
     /**
      * Specifies explicitly the logical size of this output and by that overrides any other
      * logical size calculation through mode and scale. To enable this instead again call this
      * function with an invalid size as argument.
      *
      * @param size of this output in logical space
      *
      * @since 5.24
      */
     void setExplicitLogicalSize(const QSizeF &size);
 
     /**
      * @returns whether the mode should be changed to the new preferred mode
      * once it changes
      *
      * @since 5.15
      */
     bool followPreferredMode() const;
 
     /**
      * Set whether the preferred mode should be followed through @arg follow
      *
      * @since 5.15
      */
     void setFollowPreferredMode(bool follow);
 
     /**
      * @returns the capabilities of this output
      * @since 5.22
      */
     Capabilities capabilities() const;
 
     /**
      * sets the capabilities of this output
      * @since 5.22
      */
     void setCapabilities(Capabilities capabilities);
 
     /**
      * @returns the overscan value of this output in %
      * @since 5.22
      */
     uint32_t overscan() const;
 
     /**
      * Set the overscan for this output
      * @param overscan the overscan value in %
      * @since 5.22
      */
     void setOverscan(uint32_t overscan);
 
     /**
      * @returns when variable refresh rate should be used on this output
      *
      * @since 5.22
      */
     VrrPolicy vrrPolicy() const;
 
     /**
      * Set when variable refresh rate should be used on this output
      *
      * @since 5.22
      */
     void setVrrPolicy(VrrPolicy policy);
 
     /**
      * @returns which rgb range the output is using
      * @since 5.23
      */
     RgbRange rgbRange() const;
 
     /**
      * Set which rgb range the output should use
      * @since 5.23
      */
     void setRgbRange(RgbRange rgbRange);
 
     void apply(const OutputPtr &other);
 
 Q_SIGNALS:
     void outputChanged();
     void posChanged();
     void sizeChanged();
     void currentModeIdChanged();
     void rotationChanged();
     void isConnectedChanged();
     void isEnabledChanged();
     void priorityChanged();
     void clonesChanged();
     void replicationSourceChanged();
     void scaleChanged();
     void explicitLogicalSizeChanged();
     void followPreferredModeChanged(bool followPreferredMode);
     void capabilitiesChanged();
     void overscanChanged();
     void vrrPolicyChanged();
     void rgbRangeChanged();
 
     /** The mode list changed.
      *
      * This may happen when a mode is added or changed.
      *
      * @since 5.8.3
      */
     void modesChanged();
 
 private:
     Q_DISABLE_COPY(Output)
 
     class Private;
     Private *const d;
 
     explicit Output(Private *dd);
 };
 
 } // KScreen namespace
 
 KSCREEN_EXPORT QDebug operator<<(QDebug dbg, const KScreen::OutputPtr &output);
 
 Q_DECLARE_METATYPE(KScreen::OutputList)
 Q_DECLARE_METATYPE(KScreen::Output::Rotation)
 Q_DECLARE_METATYPE(KScreen::Output::Type)
 
 #endif // OUTPUT_H