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#include <KGameDifficulty>

Inheritance diagram for KGameDifficulty:


const KGameDifficultyLevelcurrentLevel
bool editable
bool gameRunning
const KGameDifficultyLevelselectedLevel
- Properties inherited from QObject


void currentLevelChanged (const KGameDifficultyLevel *level)
void editableChanged (bool editable)
void gameRunningChanged (bool gameRunning)
void selectedLevelChanged (const KGameDifficultyLevel *level)

Public Slots

void select (const KGameDifficultyLevel *level)

Public Member Functions

 KGameDifficulty (QObject *parent=nullptr)
 ~KGameDifficulty () override
void addLevel (KGameDifficultyLevel *level)
void addStandardLevel (KGameDifficultyLevel::StandardLevel level, bool isDefault=false)
void addStandardLevelRange (KGameDifficultyLevel::StandardLevel from, KGameDifficultyLevel::StandardLevel to)
void addStandardLevelRange (KGameDifficultyLevel::StandardLevel from, KGameDifficultyLevel::StandardLevel to, KGameDifficultyLevel::StandardLevel defaultLevel)
const KGameDifficultyLevelcurrentLevel () const
bool isEditable () const
bool isGameRunning () const
QList< const KGameDifficultyLevel * > levels () const
void setEditable (bool editable)
void setGameRunning (bool running)
- Public Member Functions inherited from QObject
 QObject (QObject *parent)
QBindable< QStringbindableObjectName ()
bool blockSignals (bool block)
const QObjectListchildren () const const
QMetaObject::Connection connect (const QObject *sender, const char *signal, const char *method, Qt::ConnectionType type) const const
void deleteLater ()
void destroyed (QObject *obj)
bool disconnect (const char *signal, const QObject *receiver, const char *method) const const
bool disconnect (const QObject *receiver, const char *method) const const
void dumpObjectInfo () const const
void dumpObjectTree () const const
QList< QByteArraydynamicPropertyNames () const const
virtual bool event (QEvent *e)
virtual bool eventFilter (QObject *watched, QEvent *event)
findChild (const QString &name, Qt::FindChildOptions options) const const
QList< T > findChildren (const QRegularExpression &re, Qt::FindChildOptions options) const const
QList< T > findChildren (const QString &name, Qt::FindChildOptions options) const const
QList< T > findChildren (Qt::FindChildOptions options) const const
bool inherits (const char *className) const const
void installEventFilter (QObject *filterObj)
bool isQuickItemType () const const
bool isWidgetType () const const
bool isWindowType () const const
void killTimer (int id)
virtual const QMetaObjectmetaObject () const const
void moveToThread (QThread *targetThread)
QString objectName () const const
void objectNameChanged (const QString &objectName)
QObjectparent () const const
QVariant property (const char *name) const const
 Q_CLASSINFO (Name, Value)
 Q_ENUM (...)
 Q_ENUM_NS (...)
 Q_ENUMS (...)
 Q_FLAG (...)
 Q_FLAG_NS (...)
 Q_FLAGS (...)
qobject_cast (const QObject *object)
qobject_cast (QObject *object)
void removeEventFilter (QObject *obj)
void setObjectName (const QString &name)
void setObjectName (QAnyStringView name)
void setParent (QObject *parent)
bool setProperty (const char *name, const QVariant &value)
bool setProperty (const char *name, QVariant &&value)
bool signalsBlocked () const const
int startTimer (int interval, Qt::TimerType timerType)
int startTimer (std::chrono::milliseconds interval, Qt::TimerType timerType)
QThreadthread () const const

Static Public Member Functions

static KGameDifficultyglobal ()
static KGameDifficultyLevel::StandardLevel globalLevel ()
- Static Public Member Functions inherited from QObject
QMetaObject::Connection connect (const QObject *sender, const char *signal, const QObject *receiver, const char *method, Qt::ConnectionType type)
QMetaObject::Connection connect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method, Qt::ConnectionType type)
QMetaObject::Connection connect (const QObject *sender, PointerToMemberFunction signal, const QObject *context, Functor functor, Qt::ConnectionType type)
QMetaObject::Connection connect (const QObject *sender, PointerToMemberFunction signal, const QObject *receiver, PointerToMemberFunction method, Qt::ConnectionType type)
QMetaObject::Connection connect (const QObject *sender, PointerToMemberFunction signal, Functor functor)
bool disconnect (const QMetaObject::Connection &connection)
bool disconnect (const QObject *sender, const char *signal, const QObject *receiver, const char *method)
bool disconnect (const QObject *sender, const QMetaMethod &signal, const QObject *receiver, const QMetaMethod &method)
bool disconnect (const QObject *sender, PointerToMemberFunction signal, const QObject *receiver, PointerToMemberFunction method)
QString tr (const char *sourceText, const char *disambiguation, int n)

Additional Inherited Members

- Public Attributes inherited from QObject
typedef QObjectList
- Protected Member Functions inherited from QObject
virtual void childEvent (QChildEvent *event)
virtual void connectNotify (const QMetaMethod &signal)
virtual void customEvent (QEvent *event)
virtual void disconnectNotify (const QMetaMethod &signal)
bool isSignalConnected (const QMetaMethod &signal) const const
int receivers (const char *signal) const const
QObjectsender () const const
int senderSignalIndex () const const
virtual void timerEvent (QTimerEvent *event)

Detailed Description

KGameDifficulty manages difficulty levels of a game in a standard way.

The difficulty can be a type of game (like in KMines: small or big field) or the AI skills (like in Bovo: how deep should the computer search to find the best move) or a combination of both of them. On the user point of view, it's not really different: either is the game easy or hard to play.

KGameDifficulty contains a list of KGameDifficultyLevel instances. One of these levels is selected; this selection will be recorded when the application is closed. A set of standard difficulty levels is provided by KGameDifficultyLevel, but custom levels can be defined at the same time.

Definition at line 88 of file kgamedifficulty.h.

Property Documentation

◆ currentLevel

const KGameDifficultyLevel * KGameDifficulty::currentLevel

Definition at line 93 of file kgamedifficulty.h.

◆ editable

bool KGameDifficulty::editable

Definition at line 95 of file kgamedifficulty.h.

◆ gameRunning

bool KGameDifficulty::gameRunning

Definition at line 96 of file kgamedifficulty.h.

◆ selectedLevel

const KGameDifficultyLevel * KGameDifficulty::selectedLevel

Definition at line 94 of file kgamedifficulty.h.

Constructor & Destructor Documentation

◆ KGameDifficulty()

KGameDifficulty::KGameDifficulty ( QObject * parent = nullptr)

Definition at line 166 of file kgamedifficulty.cpp.

◆ ~KGameDifficulty()

KGameDifficulty::~KGameDifficulty ( )

Destroys this instance and all DifficultyLevel instances in it.

Definition at line 174 of file kgamedifficulty.cpp.

Member Function Documentation

◆ addLevel()

void KGameDifficulty::addLevel ( KGameDifficultyLevel * level)

Adds a difficulty level to this instance.

This will not affect the currentLevel() if there is one.

Definition at line 181 of file kgamedifficulty.cpp.

◆ addStandardLevel()

void KGameDifficulty::addStandardLevel ( KGameDifficultyLevel::StandardLevel level,
bool isDefault = false )

A shortcut for addLevel(new KGameDifficultyLevel(level)).

Definition at line 201 of file kgamedifficulty.cpp.

◆ addStandardLevelRange() [1/2]

void KGameDifficulty::addStandardLevelRange ( KGameDifficultyLevel::StandardLevel from,
KGameDifficultyLevel::StandardLevel to )

This convenience method adds a range of standard levels to this instance (including the boundaries).

For example:

T qobject_cast(QObject *object)

This adds the levels "Easy", "Medium", "Hard" and "Very hard".

Definition at line 206 of file kgamedifficulty.cpp.

◆ addStandardLevelRange() [2/2]

This is an overloaded member function, provided for convenience. It differs from the above function only in what argument(s) it accepts. This overload allows to specify a defaultLevel.

Definition at line 212 of file kgamedifficulty.cpp.

◆ currentLevel()

const KGameDifficultyLevel * KGameDifficulty::currentLevel ( ) const
the current difficulty level

After the KGameDifficulty object has been created, the current difficulty level will not be determined until this method is called for the first time. This allows the application developer to set up the difficulty levels before KGameDifficulty retrieves the last selected level from the configuration file.

Definition at line 243 of file kgamedifficulty.cpp.

◆ currentLevelChanged

void KGameDifficulty::currentLevelChanged ( const KGameDifficultyLevel * level)

Emitted when a new difficulty level has been selected.

◆ editableChanged

void KGameDifficulty::editableChanged ( bool editable)

Emitted when the editability changes.

See also

◆ gameRunningChanged

void KGameDifficulty::gameRunningChanged ( bool gameRunning)

Emitted when a running game has been marked or unmarked.

See also

◆ global()

KGameDifficulty * KGameDifficulty::global ( )
a singleton instance of KGameDifficulty

Definition at line 333 of file kgamedifficulty.cpp.

◆ globalLevel()

KGameDifficultyLevel::StandardLevel KGameDifficulty::globalLevel ( )

A shortcut for KGameDifficulty::global()->currentLevel()->standardLevel().

Definition at line 338 of file kgamedifficulty.cpp.

◆ isEditable()

bool KGameDifficulty::isEditable ( ) const
whether the difficulty level selection may be edited

Definition at line 269 of file kgamedifficulty.cpp.

◆ isGameRunning()

bool KGameDifficulty::isGameRunning ( ) const
whether a running game has been marked
See also

Definition at line 287 of file kgamedifficulty.cpp.

◆ levels()

QList< const KGameDifficultyLevel * > KGameDifficulty::levels ( ) const
a list of all difficulty levels, sorted by hardness

Definition at line 236 of file kgamedifficulty.cpp.

◆ select

void KGameDifficulty::select ( const KGameDifficultyLevel * level)

Select a new difficulty level.

The given level must already have been added to this instance.

This does nothing if isEditable() is false. If a game is running (according to setGameRunning()), the user will be asked for confirmation before the new difficulty level is selected.

Definition at line 305 of file kgamedifficulty.cpp.

◆ selectedLevelChanged

void KGameDifficulty::selectedLevelChanged ( const KGameDifficultyLevel * level)

Emitted after every call to select(), even when the user has rejected the change.

This is useful to reset a difficulty level selection UI after a rejected change.

◆ setEditable()

void KGameDifficulty::setEditable ( bool editable)

Set whether the difficulty level selection may be edited.

The default value is true.

Definition at line 276 of file kgamedifficulty.cpp.

◆ setGameRunning()

void KGameDifficulty::setGameRunning ( bool running)

KGameDifficulty has optional protection against changing the difficulty level while a game is running.

If setGameRunning(true) has been called, and select() is called to select a new difficulty level, the user will be asked for confirmation.

Definition at line 294 of file kgamedifficulty.cpp.

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