KMainWindow

#include <KMainWindow>

Inheritance diagram for KMainWindow:

[legend]

Properties
QString	autoSaveGroup

bool	autoSaveSettings

bool	hasMenuBar

Properties inherited from QMainWindow
	animated

	dockNestingEnabled

	dockOptions

	documentMode

	iconSize

	tabShape

	toolButtonStyle

	unifiedTitleAndToolBarOnMac

Properties inherited from QWidget
	acceptDrops

	accessibleDescription

	accessibleName

	autoFillBackground

	baseSize

	childrenRect

	childrenRegion

	contextMenuPolicy

	cursor

	enabled

	focus

	focusPolicy

	font

	frameGeometry

	frameSize

	fullScreen

	geometry

	height

	inputMethodHints

	isActiveWindow

	layoutDirection

	locale

	maximized

	maximumHeight

	maximumSize

	maximumWidth

	minimized

	minimumHeight

	minimumSize

	minimumSizeHint

	minimumWidth

	modal

	mouseTracking

	normalGeometry

	palette

	pos

	rect

	size

	sizeHint

	sizeIncrement

	sizePolicy

	statusTip

	styleSheet

	tabletTracking

	toolTip

	toolTipDuration

	updatesEnabled

	visible

	whatsThis

	width

	windowFilePath

	windowFlags

	windowIcon

	windowIconText

	windowModality

	windowModified

	windowOpacity

	windowTitle

	x

	y

Properties inherited from QObject
	objectName

Public Slots
void	appHelpActivated ()

virtual void	setCaption (const QString &caption)

virtual void	setCaption (const QString &caption, bool modified)

virtual void	setPlainCaption (const QString &caption)

void	setSettingsDirty ()

Public Member Functions
	KMainWindow (QWidget *parent=nullptr, Qt::WindowFlags f=Qt::WindowFlags())

	~KMainWindow () override

virtual void	applyMainWindowSettings (const KConfigGroup &config)

KConfigGroup	autoSaveConfigGroup () const

QString	autoSaveGroup () const

bool	autoSaveSettings () const

QMenu *	customHelpMenu (bool showWhatsThis=true)

QString	dbusName () const

bool	hasMenuBar ()

QMenu *	helpMenu (const QString &aboutAppText=QString(), bool showWhatsThis=true)

bool	initialGeometrySet () const

void	resetAutoSaveSettings ()

bool	restore (int number, bool show=true)

void	saveMainWindowSettings (KConfigGroup &config)

void	setAutoSaveSettings (const KConfigGroup &group, bool saveWindowSize=true)

void	setAutoSaveSettings (const QString &groupName=QStringLiteral("MainWindow"), bool saveWindowSize=true)

void	setStateConfigGroup (const QString &configGroup)

KConfigGroup	stateConfigGroup () const

KToolBar *	toolBar (const QString &name=QString())

QList< KToolBar * >	toolBars () const

Public Member Functions inherited from QMainWindow
	QMainWindow (QWidget *parent, Qt::WindowFlags flags)

void	addDockWidget (Qt::DockWidgetArea area, QDockWidget *dockwidget)

void	addDockWidget (Qt::DockWidgetArea area, QDockWidget *dockwidget, Qt::Orientation orientation)

QToolBar *	addToolBar (const QString &title)

void	addToolBar (Qt::ToolBarArea area, QToolBar *toolbar)

void	addToolBar (QToolBar *toolbar)

void	addToolBarBreak (Qt::ToolBarArea area)

QWidget *	centralWidget () const const

Qt::DockWidgetArea	corner (Qt::Corner corner) const const

virtual QMenu *	createPopupMenu ()

QMainWindow::DockOptions	dockOptions () const const

Qt::DockWidgetArea	dockWidgetArea (QDockWidget *dockwidget) const const

bool	documentMode () const const

QSize	iconSize () const const

void	iconSizeChanged (const QSize &iconSize)

void	insertToolBar (QToolBar before, QToolBar toolbar)

void	insertToolBarBreak (QToolBar *before)

bool	isAnimated () const const

bool	isDockNestingEnabled () const const

QMenuBar *	menuBar () const const

QWidget *	menuWidget () const const

void	removeDockWidget (QDockWidget *dockwidget)

void	removeToolBar (QToolBar *toolbar)

void	removeToolBarBreak (QToolBar *before)

void	resizeDocks (const QList< QDockWidget * > &docks, const QList< int > &sizes, Qt::Orientation orientation)

bool	restoreDockWidget (QDockWidget *dockwidget)

bool	restoreState (const QByteArray &state, int version)

QByteArray	saveState (int version) const const

void	setAnimated (bool enabled)

void	setCentralWidget (QWidget *widget)

void	setCorner (Qt::Corner corner, Qt::DockWidgetArea area)

void	setDockNestingEnabled (bool enabled)

void	setDockOptions (QMainWindow::DockOptions options)

void	setDocumentMode (bool enabled)

void	setIconSize (const QSize &iconSize)

void	setMenuBar (QMenuBar *menuBar)

void	setMenuWidget (QWidget *menuBar)

void	setStatusBar (QStatusBar *statusbar)

void	setTabPosition (Qt::DockWidgetAreas areas, QTabWidget::TabPosition tabPosition)

void	setTabShape (QTabWidget::TabShape tabShape)

void	setToolButtonStyle (Qt::ToolButtonStyle toolButtonStyle)

void	setUnifiedTitleAndToolBarOnMac (bool set)

void	splitDockWidget (QDockWidget first, QDockWidget second, Qt::Orientation orientation)

QStatusBar *	statusBar () const const

void	tabifiedDockWidgetActivated (QDockWidget *dockWidget)

QList< QDockWidget * >	tabifiedDockWidgets (QDockWidget *dockwidget) const const

void	tabifyDockWidget (QDockWidget first, QDockWidget second)

QTabWidget::TabPosition	tabPosition (Qt::DockWidgetArea area) const const

QTabWidget::TabShape	tabShape () const const

QWidget *	takeCentralWidget ()

Qt::ToolBarArea	toolBarArea (QToolBar *toolbar) const const

bool	toolBarBreak (QToolBar *toolbar) const const

Qt::ToolButtonStyle	toolButtonStyle () const const

void	toolButtonStyleChanged (Qt::ToolButtonStyle toolButtonStyle)

bool	unifiedTitleAndToolBarOnMac () const const

Public Member Functions inherited from QWidget
	QWidget (QWidget *parent, Qt::WindowFlags f)

bool	acceptDrops () const const

QString	accessibleDescription () const const

QString	accessibleName () const const

QList< QAction * >	actions () const const

void	activateWindow ()

void	addAction (QAction *action)

void	addActions (QList< QAction * > actions)

void	adjustSize ()

bool	autoFillBackground () const const

QPalette::ColorRole	backgroundRole () const const

QBackingStore *	backingStore () const const

QSize	baseSize () const const

QWidget *	childAt (const QPoint &p) const const

QWidget *	childAt (int x, int y) const const

QRect	childrenRect () const const

QRegion	childrenRegion () const const

void	clearFocus ()

void	clearMask ()

bool	close ()

QMargins	contentsMargins () const const

QRect	contentsRect () const const

Qt::ContextMenuPolicy	contextMenuPolicy () const const

QCursor	cursor () const const

void	customContextMenuRequested (const QPoint &pos)

WId	effectiveWinId () const const

void	ensurePolished () const const

Qt::FocusPolicy	focusPolicy () const const

QWidget *	focusProxy () const const

QWidget *	focusWidget () const const

const QFont &	font () const const

QFontInfo	fontInfo () const const

QFontMetrics	fontMetrics () const const

QPalette::ColorRole	foregroundRole () const const

QRect	frameGeometry () const const

QSize	frameSize () const const

const QRect &	geometry () const const

void	getContentsMargins (int left, int top, int right, int bottom) const const

QPixmap	grab (const QRect &rectangle)

void	grabGesture (Qt::GestureType gesture, Qt::GestureFlags flags)

void	grabKeyboard ()

void	grabMouse ()

void	grabMouse (const QCursor &cursor)

int	grabShortcut (const QKeySequence &key, Qt::ShortcutContext context)

QGraphicsEffect *	graphicsEffect () const const

QGraphicsProxyWidget *	graphicsProxyWidget () const const

bool	hasEditFocus () const const

bool	hasFocus () const const

virtual bool	hasHeightForWidth () const const

bool	hasMouseTracking () const const

bool	hasTabletTracking () const const

int	height () const const

virtual int	heightForWidth (int w) const const

void	hide ()

Qt::InputMethodHints	inputMethodHints () const const

virtual QVariant	inputMethodQuery (Qt::InputMethodQuery query) const const

void	insertAction (QAction before, QAction action)

void	insertActions (QAction before, QList< QAction > actions)

bool	isActiveWindow () const const

bool	isAncestorOf (const QWidget *child) const const

bool	isEnabled () const const

bool	isEnabledTo (const QWidget *ancestor) const const

bool	isEnabledToTLW () const const

bool	isFullScreen () const const

bool	isHidden () const const

bool	isMaximized () const const

bool	isMinimized () const const

bool	isModal () const const

bool	isTopLevel () const const

bool	isVisible () const const

bool	isVisibleTo (const QWidget *ancestor) const const

bool	isWindow () const const

bool	isWindowModified () const const

QLayout *	layout () const const

Qt::LayoutDirection	layoutDirection () const const

QLocale	locale () const const

void	lower ()

QPoint	mapFrom (const QWidget *parent, const QPoint &pos) const const

QPoint	mapFromGlobal (const QPoint &pos) const const

QPoint	mapFromParent (const QPoint &pos) const const

QPoint	mapTo (const QWidget *parent, const QPoint &pos) const const

QPoint	mapToGlobal (const QPoint &pos) const const

QPoint	mapToParent (const QPoint &pos) const const

QRegion	mask () const const

int	maximumHeight () const const

QSize	maximumSize () const const

int	maximumWidth () const const

int	minimumHeight () const const

QSize	minimumSize () const const

virtual QSize	minimumSizeHint () const const

int	minimumWidth () const const

void	move (const QPoint &)

void	move (int x, int y)

QWidget *	nativeParentWidget () const const

QWidget *	nextInFocusChain () const const

QRect	normalGeometry () const const

void	overrideWindowFlags (Qt::WindowFlags flags)

virtual QPaintEngine *	paintEngine () const const override

const QPalette &	palette () const const

QWidget *	parentWidget () const const

QPoint	pos () const const

QWidget *	previousInFocusChain () const const

	QWIDGETSIZE_MAX QWIDGETSIZE_MAX

void	raise ()

QRect	rect () const const

void	releaseKeyboard ()

void	releaseMouse ()

void	releaseShortcut (int id)

void	removeAction (QAction *action)

void	render (QPaintDevice *target, const QPoint &targetOffset, const QRegion &sourceRegion, QWidget::RenderFlags renderFlags)

void	render (QPainter *painter, const QPoint &targetOffset, const QRegion &sourceRegion, QWidget::RenderFlags renderFlags)

void	repaint ()

void	repaint (const QRect &rect)

void	repaint (const QRegion &rgn)

void	repaint (int x, int y, int w, int h)

void	resize (const QSize &)

void	resize (int w, int h)

bool	restoreGeometry (const QByteArray &geometry)

QByteArray	saveGeometry () const const

QScreen *	screen () const const

void	scroll (int dx, int dy)

void	scroll (int dx, int dy, const QRect &r)

void	setAcceptDrops (bool on)

void	setAccessibleDescription (const QString &description)

void	setAccessibleName (const QString &name)

void	setAttribute (Qt::WidgetAttribute attribute, bool on)

void	setAutoFillBackground (bool enabled)

void	setBackgroundRole (QPalette::ColorRole role)

void	setBaseSize (const QSize &)

void	setBaseSize (int basew, int baseh)

void	setContentsMargins (const QMargins &margins)

void	setContentsMargins (int left, int top, int right, int bottom)

void	setContextMenuPolicy (Qt::ContextMenuPolicy policy)

void	setCursor (const QCursor &)

void	setDisabled (bool disable)

void	setEditFocus (bool enable)

void	setEnabled (bool)

void	setFixedHeight (int h)

void	setFixedSize (const QSize &s)

void	setFixedSize (int w, int h)

void	setFixedWidth (int w)

void	setFocus ()

void	setFocus (Qt::FocusReason reason)

void	setFocusPolicy (Qt::FocusPolicy policy)

void	setFocusProxy (QWidget *w)

void	setFont (const QFont &)

void	setForegroundRole (QPalette::ColorRole role)

void	setGeometry (const QRect &)

void	setGeometry (int x, int y, int w, int h)

void	setGraphicsEffect (QGraphicsEffect *effect)

void	setHidden (bool hidden)

void	setInputMethodHints (Qt::InputMethodHints hints)

void	setLayout (QLayout *layout)

void	setLayoutDirection (Qt::LayoutDirection direction)

void	setLocale (const QLocale &locale)

void	setMask (const QBitmap &bitmap)

void	setMask (const QRegion &region)

void	setMaximumHeight (int maxh)

void	setMaximumSize (const QSize &)

void	setMaximumSize (int maxw, int maxh)

void	setMaximumWidth (int maxw)

void	setMinimumHeight (int minh)

void	setMinimumSize (const QSize &)

void	setMinimumSize (int minw, int minh)

void	setMinimumWidth (int minw)

void	setMouseTracking (bool enable)

void	setPalette (const QPalette &)

void	setParent (QWidget *parent)

void	setParent (QWidget *parent, Qt::WindowFlags f)

void	setShortcutAutoRepeat (int id, bool enable)

void	setShortcutEnabled (int id, bool enable)

void	setSizeIncrement (const QSize &)

void	setSizeIncrement (int w, int h)

void	setSizePolicy (QSizePolicy)

void	setSizePolicy (QSizePolicy::Policy horizontal, QSizePolicy::Policy vertical)

void	setStatusTip (const QString &)

void	setStyle (QStyle *style)

void	setStyleSheet (const QString &styleSheet)

void	setTabletTracking (bool enable)

void	setToolTip (const QString &)

void	setToolTipDuration (int msec)

void	setUpdatesEnabled (bool enable)

void	setupUi (QWidget *widget)

virtual void	setVisible (bool visible)

void	setWhatsThis (const QString &)

void	setWindowFilePath (const QString &filePath)

void	setWindowFlag (Qt::WindowType flag, bool on)

void	setWindowFlags (Qt::WindowFlags type)

void	setWindowIcon (const QIcon &icon)

void	setWindowIconText (const QString &)

void	setWindowModality (Qt::WindowModality windowModality)

void	setWindowModified (bool)

void	setWindowOpacity (qreal level)

void	setWindowRole (const QString &role)

void	setWindowState (Qt::WindowStates windowState)

void	setWindowTitle (const QString &)

void	show ()

void	showFullScreen ()

void	showMaximized ()

void	showMinimized ()

void	showNormal ()

QSize	size () const const

virtual QSize	sizeHint () const const

QSize	sizeIncrement () const const

QSizePolicy	sizePolicy () const const

void	stackUnder (QWidget *w)

QString	statusTip () const const

QStyle *	style () const const

QString	styleSheet () const const

bool	testAttribute (Qt::WidgetAttribute attribute) const const

QString	toolTip () const const

int	toolTipDuration () const const

QWidget *	topLevelWidget () const const

bool	underMouse () const const

void	ungrabGesture (Qt::GestureType gesture)

void	unsetCursor ()

void	unsetLayoutDirection ()

void	unsetLocale ()

void	update ()

void	update (const QRect &rect)

void	update (const QRegion &rgn)

void	update (int x, int y, int w, int h)

void	updateGeometry ()

bool	updatesEnabled () const const

QRegion	visibleRegion () const const

QString	whatsThis () const const

int	width () const const

QWidget *	window () const const

QString	windowFilePath () const const

Qt::WindowFlags	windowFlags () const const

QWindow *	windowHandle () const const

QIcon	windowIcon () const const

void	windowIconChanged (const QIcon &icon)

QString	windowIconText () const const

void	windowIconTextChanged (const QString &iconText)

Qt::WindowModality	windowModality () const const

qreal	windowOpacity () const const

QString	windowRole () const const

Qt::WindowStates	windowState () const const

QString	windowTitle () const const

void	windowTitleChanged (const QString &title)

Qt::WindowType	windowType () const const

WId	winId () const const

int	x () const const

int	y () const const

Public Member Functions inherited from QObject
	QObject (QObject *parent)

bool	blockSignals (bool block)

const QObjectList &	children () 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 ()

void	dumpObjectInfo () const const

void	dumpObjectTree ()

void	dumpObjectTree () const const

QList< QByteArray >	dynamicPropertyNames () const const

virtual bool	eventFilter (QObject watched, QEvent event)

T	findChild (const QString &name, Qt::FindChildOptions options) const const

QList< T >	findChildren (const QRegExp &regExp, 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

bool	inherits (const char *className) const const

void	installEventFilter (QObject *filterObj)

bool	isWidgetType () const const

bool	isWindowType () const const

void	killTimer (int id)

virtual const QMetaObject *	metaObject () const const

void	moveToThread (QThread *targetThread)

QString	objectName () const const

void	objectNameChanged (const QString &objectName)

QObject *	parent () const const

QVariant	property (const char *name) const const

	Q_CLASSINFO (Name, Value)

	Q_DISABLE_COPY (Class)

	Q_DISABLE_COPY_MOVE (Class)

	Q_DISABLE_MOVE (Class)

	Q_EMIT Q_EMIT

	Q_ENUM (...)

	Q_ENUM_NS (...)

	Q_ENUMS (...)

	Q_FLAG (...)

	Q_FLAG_NS (...)

	Q_FLAGS (...)

	Q_GADGET Q_GADGET

	Q_INTERFACES (...)

	Q_INVOKABLE Q_INVOKABLE

	Q_NAMESPACE Q_NAMESPACE

	Q_NAMESPACE_EXPORT (EXPORT_MACRO)

	Q_OBJECT Q_OBJECT

	Q_PROPERTY (...)

	Q_REVISION Q_REVISION

	Q_SET_OBJECT_NAME (Object)

	Q_SIGNAL Q_SIGNAL

	Q_SIGNALS Q_SIGNALS

	Q_SLOT Q_SLOT

	Q_SLOTS Q_SLOTS

T	qFindChild (const QObject *obj, const QString &name)

QList< T >	qFindChildren (const QObject *obj, const QRegExp &regExp)

QList< T >	qFindChildren (const QObject *obj, const QString &name)

T	qobject_cast (const QObject *object)

T	qobject_cast (QObject *object)

	QT_NO_NARROWING_CONVERSIONS_IN_CONNECT QT_NO_NARROWING_CONVERSIONS_IN_CONNECT

void	removeEventFilter (QObject *obj)

void	setObjectName (const QString &name)

void	setParent (QObject *parent)

bool	setProperty (const char *name, const QVariant &value)

bool	signalsBlocked () const const

int	startTimer (int interval, Qt::TimerType timerType)

int	startTimer (std::chrono::milliseconds time, Qt::TimerType timerType)

QThread *	thread () const const

Public Member Functions inherited from QPaintDevice
int	colorCount () const const

int	depth () const const

int	devicePixelRatio () const const

qreal	devicePixelRatioF () const const

int	height () const const

int	heightMM () const const

int	logicalDpiX () const const

int	logicalDpiY () const const

bool	paintingActive () const const

int	physicalDpiX () const const

int	physicalDpiY () const const

int	width () const const

int	widthMM () const const

Static Public Member Functions
static bool	canBeRestored (int number)

static const QString	classNameOfToplevel (int number)

static QList< KMainWindow * >	memberList ()

Static Public Member Functions inherited from QWidget
QWidget *	createWindowContainer (QWindow window, QWidget parent, Qt::WindowFlags flags)

QWidget *	find (WId id)

QWidget *	keyboardGrabber ()

QWidget *	mouseGrabber ()

void	setTabOrder (QWidget first, QWidget second)

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)

QString	trUtf8 (const char sourceText, const char disambiguation, int n)

Protected Slots
void	saveAutoSaveSettings ()

virtual void	showAboutApplication ()

Protected Member Functions
	KMainWindow (KMainWindowPrivate &dd, QWidget *parent, Qt::WindowFlags f)

void	closeEvent (QCloseEvent *) override

bool	event (QEvent *event) override

virtual bool	queryClose ()

virtual void	readGlobalProperties (KConfig *sessionConfig)

virtual void	readProperties (const KConfigGroup &)

bool	readPropertiesInternal (KConfig *, int)

void	restoreWindowSize (const KConfigGroup &config)

virtual void	saveGlobalProperties (KConfig *sessionConfig)

virtual void	saveProperties (KConfigGroup &)

void	savePropertiesInternal (KConfig *, int)

void	saveWindowSize (KConfigGroup &config) const

bool	settingsDirty () const

Protected Member Functions inherited from QMainWindow
virtual void	contextMenuEvent (QContextMenuEvent *event) override

Protected Member Functions inherited from QWidget
virtual void	actionEvent (QActionEvent *event)

virtual void	changeEvent (QEvent *event)

void	create (WId window, bool initializeWindow, bool destroyOldWindow)

void	destroy (bool destroyWindow, bool destroySubWindows)

virtual void	dragEnterEvent (QDragEnterEvent *event)

virtual void	dragLeaveEvent (QDragLeaveEvent *event)

virtual void	dragMoveEvent (QDragMoveEvent *event)

virtual void	dropEvent (QDropEvent *event)

virtual void	enterEvent (QEvent *event)

virtual void	focusInEvent (QFocusEvent *event)

bool	focusNextChild ()

virtual bool	focusNextPrevChild (bool next)

virtual void	focusOutEvent (QFocusEvent *event)

bool	focusPreviousChild ()

virtual void	hideEvent (QHideEvent *event)

virtual void	initPainter (QPainter *painter) const const override

virtual void	inputMethodEvent (QInputMethodEvent *event)

virtual void	keyPressEvent (QKeyEvent *event)

virtual void	keyReleaseEvent (QKeyEvent *event)

virtual void	leaveEvent (QEvent *event)

virtual int	metric (QPaintDevice::PaintDeviceMetric m) const const override

virtual void	mouseDoubleClickEvent (QMouseEvent *event)

virtual void	mouseMoveEvent (QMouseEvent *event)

virtual void	mousePressEvent (QMouseEvent *event)

virtual void	mouseReleaseEvent (QMouseEvent *event)

virtual void	moveEvent (QMoveEvent *event)

virtual bool	nativeEvent (const QByteArray &eventType, void message, long result)

virtual void	paintEvent (QPaintEvent *event)

virtual void	resizeEvent (QResizeEvent *event)

virtual void	showEvent (QShowEvent *event)

virtual void	tabletEvent (QTabletEvent *event)

void	updateMicroFocus ()

virtual void	wheelEvent (QWheelEvent *event)

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

QObject *	sender () const const

int	senderSignalIndex () const const

virtual void	timerEvent (QTimerEvent *event)

Protected Attributes
const std::unique_ptr< KMainWindowPrivate >	k_ptr

Related Functions
(Note that these are not member functions.)
#define	KDE_DEFAULT_WINDOWFLAGS 0

Additional Inherited Members
Public Types inherited from QMainWindow
enum	DockOption

Public Types inherited from QWidget
enum	RenderFlag

Public Types inherited from QPaintDevice
enum	PaintDeviceMetric

Public Attributes inherited from QMainWindow
	AllowNestedDocks

	AllowTabbedDocks

	AnimatedDocks

typedef	DockOptions

	ForceTabbedDocks

	GroupedDragging

	VerticalTabs

Public Attributes inherited from QWidget
	DrawChildren

	DrawWindowBackground

	IgnoreMask

typedef	RenderFlags

Public Attributes inherited from QObject
typedef	QObjectList

Public Attributes inherited from QPaintDevice
	PdmDepth

	PdmDevicePixelRatio

	PdmDevicePixelRatioScaled

	PdmDpiX

	PdmDpiY

	PdmHeight

	PdmHeightMM

	PdmNumColors

	PdmPhysicalDpiX

	PdmPhysicalDpiY

	PdmWidth

	PdmWidthMM

Detailed Description

Top level main window.

Top level widget that provides toolbars, a status line and a frame.

It should be used as a top level (parent-less) widget. It manages the geometry for all its children, including your main widget.

Normally, you will inherit from KMainWindow, then construct (or use some existing) widget as your main view. You can set only one main view.

You can add as many toolbars as you like. There can be only one menubar and only one statusbar.

The toolbars, menubar, and statusbar can be created by the KMainWindow and - unlike the old KMainWindow - may, but do not have to, be deleted by you. KMainWindow will handle that internally.

Height and width can be operated independently from each other. Simply define the minimum/maximum height/width of your main widget and KMainWindow will take this into account. For fixed size windows set your main widget to a fixed size.

Fixed aspect ratios (heightForWidth()) and fixed width widgets are not supported.

KMainWindow will set icon, mini icon and caption, which it gets from KApplication. It provides full session management, and will save its position, geometry and positions of toolbars and menubar on logout. If you want to save additional data, reimplement saveProperties() and (to read them again on next login) readProperties(). To save special data about your data, reimplement saveGlobalProperties(). To warn user that application or windows have unsaved data on close or logout, reimplement queryClose().

You have to implement session restoring also in your main() function. There are also kRestoreMainWindows convenience functions which can do this for you and restore all your windows on next login.

Note that KMainWindow uses KGlobal::ref() and KGlobal::deref() so that closing the last mainwindow will quit the application unless there is still something that holds a ref in KGlobal - like a KIO job, or a systray icon.

Author: Reginald Stadlbauer (reggi[email protected][email protected][email protected]e.org); Stephan Kulow (coolo[email protected]@kde[email protected].org); Matthias Ettrich (ettri[email protected][email protected][email protected]de.or[email protected]g); Chris Schlaeger ([email protected][email protected]e.or[email protected]g); Sven Radej (radej[email protected]@kde[email protected].org) Maintained by David Faure (faure[email protected]@kde[email protected].org)

Definition at line 96 of file kmainwindow.h.

Constructor & Destructor Documentation

◆ KMainWindow()

KMainWindow::KMainWindow	(	QWidget *	parent = `nullptr`,
		Qt::WindowFlags	f = `Qt::WindowFlags()`
	)

explicit

Construct a main window.

Parameters

parent	The widget parent. This is usually 0 but it may also be the window group leader. In that case, the KMainWindow becomes sort of a secondary window.
f	Specify the window flags. The default is none.

Note that a KMainWindow per-default is created with the Qt::WA_DeleteOnClose attribute set, i.e. it is automatically destroyed when the window is closed. If you do not want this behavior, call

window->setAttribute(Qt::WA_DeleteOnClose, false);

KMainWindows must be created on the heap with 'new', like:

KMainWindow *kmw = new KMainWindow(...);

kmw->setObjectName(...);

Since the KDE Frameworks 5.16 release, KMainWindow will also enter information regarding the application's translators by default, using KAboutData::setTranslator(). This only occurs if no translators are already assigned in KAboutData (see KAboutData::setTranslator() for details – the auto-assignment here uses the same translated strings as specified for that function).

IMPORTANT: For session management and window management to work properly, all main windows in the application should have a different name. If you don't do it, KMainWindow will create a unique name, but it's recommended to explicitly pass a window name that will also describe the type of the window. If there can be several windows of the same type, append '#' (hash) to the name, and KMainWindow will replace it with numbers to make the names unique. For example, for a mail client which has one main window showing the mails and folders, and which can also have one or more windows for composing mails, the name for the folders window should be e.g. "mainwindow" and for the composer windows "composer#".

Definition at line 208 of file kmainwindow.cpp.

◆ ~KMainWindow()

KMainWindow::~KMainWindow ( )

override

Destructor.

Will also destroy the toolbars, and menubar if needed.

Definition at line 437 of file kmainwindow.cpp.

Member Function Documentation

◆ appHelpActivated

void KMainWindow::appHelpActivated ( )

slot

Open the help page for the application.

The application name is used as a key to determine what to display and the system will attempt to open <appName>/index.html.

This method is intended for use by a help button in the toolbar or components outside the regular help menu. Use helpMenu() when you want to provide access to the help system from the help menu.

Example (adding a help button to the first toolbar):

toolBar(0)->addAction(QIcon::fromTheme("help-contents"), i18n("Help"),

this, SLOT(appHelpActivated()));

Definition at line 538 of file kmainwindow.cpp.

◆ applyMainWindowSettings()

void KMainWindow::applyMainWindowSettings ( const KConfigGroup & config )

virtual

Read settings for statusbar, menubar and toolbar from their respective groups in the config file and apply them.

Parameters

config Config group to read the settings from.

KF5 porting note: the unused bool argument was removed, make sure to remove it from your reimplementations too! And add a override for good measure.

Reimplemented in KXmlGuiWindow.

Definition at line 715 of file kmainwindow.cpp.

◆ autoSaveConfigGroup()

KConfigGroup KMainWindow::autoSaveConfigGroup ( ) const

Returns: the group used for setting-autosaving. Only meaningful if setAutoSaveSettings() was called. This can be useful for forcing an apply, e.g. after using KEditToolBar.

Since: 4.1

Definition at line 877 of file kmainwindow.cpp.

◆ autoSaveGroup()

QString KMainWindow::autoSaveGroup ( ) const

Returns: the group used for setting-autosaving. Only meaningful if setAutoSaveSettings(const QString&, bool) was called. This can be useful for forcing a save or an apply, e.g. before and after using KEditToolBar.

Note: You should rather use saveAutoSaveSettings() for saving or autoSaveConfigGroup() for loading. This method doesn't make sense if setAutoSaveSettings(const KConfigGroup&, bool) was called.

◆ autoSaveSettings()

bool KMainWindow::autoSaveSettings ( ) const

Returns: the current autosave setting, i.e. true if setAutoSaveSettings() was called, false by default or if resetAutoSaveSettings() was called.

◆ canBeRestored()

bool KMainWindow::canBeRestored ( int number )

static

If the session did contain so high a number, true is returned, else false.

See also: restore()

Definition at line 474 of file kmainwindow.cpp.

◆ classNameOfToplevel()

const QString KMainWindow::classNameOfToplevel ( int number )

static

Returns the className() of the number of the toplevel window which should be restored.

This is only useful if your application uses different kinds of toplevel windows.

Definition at line 488 of file kmainwindow.cpp.

◆ closeEvent()

void KMainWindow::closeEvent ( QCloseEvent * e )

overrideprotectedvirtual

Reimplemented to autosave settings and call queryClose().

We recommend that you reimplement queryClose() rather than closeEvent(). If you do it anyway, ensure to call the base implementation to keep the feature of auto-saving window settings working.

Reimplemented from QWidget.

Definition at line 550 of file kmainwindow.cpp.

◆ customHelpMenu()

QMenu * KMainWindow::customHelpMenu ( bool showWhatsThis = true )

Returns the help menu.

Creates a standard help menu if none exists yet.

It contains entries for the help system (activated by F1), an optional "What's This?" entry (activated by Shift F1), an application specific dialog box, and an "About KDE" dialog box. You must create the application specific dialog box yourself. When the "About application" menu entry is activated, a signal will trigger the showAboutApplication slot. See showAboutApplication for more information.

Example (adding a help menu to your application):

menuBar()->addMenu( customHelpMenu() );

Parameters

showWhatsThis Set this to false if you do not want to include the "What's This" menu entry.

Returns: A standard help menu.

Deprecated:: Since 5.0, use XMLGUI instead, or KHelpMenu directly

Definition at line 462 of file kmainwindow.cpp.

◆ dbusName()

QString KMainWindow::dbusName ( ) const

Returns the path under which this window's D-Bus object is exported.

Since: 4.0.1

Definition at line 1031 of file kmainwindow.cpp.

◆ event()

bool KMainWindow::event ( QEvent * event )

overrideprotectedvirtual

Reimplemented to catch QEvent::Polish in order to adjust the object name if needed, once all constructor code for the main window has run.

Also reimplemented to catch when a QDockWidget is added or removed.

Reimplemented from QMainWindow.

Reimplemented in KXmlGuiWindow.

Definition at line 906 of file kmainwindow.cpp.

◆ hasMenuBar()

bool KMainWindow::hasMenuBar ( )

Returns true, if there is a menubar.

◆ helpMenu()

QMenu * KMainWindow::helpMenu	(	const QString &	aboutAppText = `QString()`,
		bool	showWhatsThis = `true`
	)

Retrieve the standard help menu.

It contains entries for the help system (activated by F1), an optional "What's This?" entry (activated by Shift F1), an application specific dialog box, and an "About KDE" dialog box.

Example (adding a standard help menu to your application):

QMenu *help = helpMenu( <myTextString> );

menuBar()->addMenu( help );

Parameters

aboutAppText	The string that is used in the application specific dialog box. If you leave this string empty the information in the global KAboutData of the application will be used to make a standard dialog box.
showWhatsThis	Set this to false if you do not want to include the "What's This" menu entry.

Returns: A standard help menu.

Deprecated:: Since 5.0, use KHelpMenu directly

Definition at line 444 of file kmainwindow.cpp.

◆ initialGeometrySet()

bool KMainWindow::initialGeometrySet ( ) const

inline

Returns: Always false

Deprecated:: since 5.0, the functionality got removed

Definition at line 416 of file kmainwindow.h.

◆ memberList()

QList< KMainWindow * > KMainWindow::memberList ( )

static

List of members of KMainWindow class.

Definition at line 1026 of file kmainwindow.cpp.

◆ queryClose()

bool KMainWindow::queryClose ( )

protectedvirtual

Called before the window is closed, either by the user or indirectly by the session manager.

The purpose of this function is to prepare the window in a way that it is safe to close it, i.e. without the user losing some data.

Default implementation returns true. Returning false will cancel the closing, and, if KApplication::sessionSaving() is true, it will also cancel KDE logout.

Reimplement this function to prevent the user from losing data. Example:

switch ( KMessageBox::warningTwoActionsCancel( this,
         i18n("Save changes to document foo?"), QString(),
         KStandardGuiItem::save(), KStandardGuiItem::discard())) ) {
case KMessageBox::PrimaryAction :
  // save document here. If saving fails, return false;
  return true;
case KMessageBox::SecondaryAction :
  return true;
default: // cancel
  return false;

Note that you should probably not actually close the document from within this method, as it may be called by the session manager before the session is saved. If the document is closed before the session save occurs, its location might not be properly saved. In addition, the session shutdown may be canceled, in which case the document should remain open.

See also: KApplication::sessionSaving()

Definition at line 592 of file kmainwindow.cpp.

◆ readGlobalProperties()

void KMainWindow::readGlobalProperties ( KConfig * sessionConfig )

protectedvirtual

The counterpart of saveGlobalProperties().

Read the application-specific properties in again.

Definition at line 601 of file kmainwindow.cpp.

◆ readProperties()

virtual void KMainWindow::readProperties ( const KConfigGroup & )

inlineprotectedvirtual

Read your instance-specific properties.

Is called indirectly by restore().

Definition at line 553 of file kmainwindow.h.

◆ resetAutoSaveSettings()

void KMainWindow::resetAutoSaveSettings ( )

Disable the auto-save-settings feature.

You don't normally need to call this, ever.

Definition at line 856 of file kmainwindow.cpp.

◆ restore()

bool KMainWindow::restore	(	int	number,
		bool	show = `true`
	)

Try to restore the toplevel widget as defined by number (1..X).

You should call canBeRestored() first.

If the session did not contain so high a number, the configuration is not changed and false returned.

That means clients could simply do the following:

if (qApp->isSessionRestored()){
  int n = 1;
  while (KMainWindow::canBeRestored(n)){
    (new childMW)->restore(n);
    n++;
  }
} else {
  // create default application as usual
}

Note that if show is true (default), QWidget::show() is called implicitly in restore.

With this you can easily restore all toplevel windows of your application.

If your application uses different kinds of toplevel windows, then you can use KMainWindow::classNameOfToplevel(n) to determine the exact type before calling the childMW constructor in the example from above.

Note: You don't need to deal with this function. Use the kRestoreMainWindows() convenience template function instead!

See also: kRestoreMainWindows(); readProperties(); canBeRestored()

Definition at line 503 of file kmainwindow.cpp.

◆ restoreWindowSize()

void KMainWindow::restoreWindowSize ( const KConfigGroup & config )

protected

For inherited classes.

Deprecated:: Since 5.0, use KWindowConfig::restoreWindowSize

Definition at line 807 of file kmainwindow.cpp.

◆ saveAutoSaveSettings

void KMainWindow::saveAutoSaveSettings ( )

protectedslot

This slot should only be called in case you reimplement closeEvent() and if you are using the "auto-save" feature.

In all other cases, setSettingsDirty() should be called instead to benefit from the delayed saving.

See also: setAutoSaveSettings; setSettingsDirty

Example:

void MyMainWindow::closeEvent( QCloseEvent *e )
{
  // Save settings if auto-save is enabled, and settings have changed
  if ( settingsDirty() && autoSaveSettings() )
    saveAutoSaveSettings();
  ..
}

Definition at line 895 of file kmainwindow.cpp.

◆ saveGlobalProperties()

void KMainWindow::saveGlobalProperties ( KConfig * sessionConfig )

protectedvirtual

Save your application-wide properties.

The function is invoked when the session manager requests your application to save its state.

This function is similar to saveProperties() but is only called for the very first main window, regardless how many main window are open.

Override it if you need to save other data about your documents on session end. sessionConfig is a config to which that data should be saved. Normally, you don't need this function. But if you want to save data about your documents that are not in opened windows you might need it.

Default implementation does nothing.

Definition at line 597 of file kmainwindow.cpp.

◆ saveMainWindowSettings()

void KMainWindow::saveMainWindowSettings ( KConfigGroup & config )

Save settings for statusbar, menubar and toolbar to their respective groups in the config group config.

Parameters

config Config group to save the settings to.

Definition at line 626 of file kmainwindow.cpp.

◆ saveProperties()

virtual void KMainWindow::saveProperties ( KConfigGroup & )

inlineprotectedvirtual

Save your instance-specific properties.

The function is invoked when the session manager requests your application to save its state.

Please reimplement these function in childclasses.

Note: No user interaction is allowed in this function!

Definition at line 544 of file kmainwindow.h.

◆ saveWindowSize()

void KMainWindow::saveWindowSize ( KConfigGroup & config ) const

protected

For inherited classes.

Deprecated:: Since 5.0, use KWindowConfig::saveWindowSize

Definition at line 814 of file kmainwindow.cpp.

◆ setAutoSaveSettings() [1/2]

void KMainWindow::setAutoSaveSettings	(	const KConfigGroup &	group,
		bool	saveWindowSize = `true`
	)

Overload that lets you specify a KConfigGroup.

This allows the settings to be saved into another file than KSharedConfig::openConfig().

Since: 4.1

Definition at line 837 of file kmainwindow.cpp.

◆ setAutoSaveSettings() [2/2]

void KMainWindow::setAutoSaveSettings	(	const QString &	groupName = `QStringLiteral("MainWindow")`,
		bool	saveWindowSize = `true`
	)

Call this to enable "auto-save" of toolbar/menubar/statusbar settings (and optionally window size).

If the *bars were moved around/shown/hidden when the window is closed, saveMainWindowSettings( KConfigGroup(KSharedConfig::openConfig(), groupName) ) will be called.

Parameters

groupName	a name that identifies this "type of window". You can have several types of window in the same application.
saveWindowSize	set it to true to include the window size when saving.

Typically, you will call setAutoSaveSettings() in your KMainWindow-inherited class constructor, and it will take care of restoring and saving automatically. Make sure you call this after all your *bars have been created.

To make sure that KMainWindow properly obtains the default size of the window you should do the following:

Remove hard coded resize() calls in the constructor or main, they should be removed in favor of letting the automatic resizing determine the default window size. Hard coded window sizes will be wrong for users that have big fonts, use different styles, long/small translations, large toolbars, and other factors.
Put the setAutoSaveSettings() ( or setupGUI() ) call after all widgets have been created and placed inside the main window (i.e. for 99% of apps setCentralWidget())
Widgets that inherit from QWidget (like game boards) should overload "virtual QSize sizeHint() const;" to specify a default size rather than letting QWidget::adjust use the default size of 0x0.

Definition at line 832 of file kmainwindow.cpp.

◆ setCaption [1/2]

void KMainWindow::setCaption ( const QString & caption )

virtualslot

Makes a KDE compliant caption (window title).

Parameters

caption Your caption. Do not include the application name in this string. It will be added automatically according to the KDE standard.

Definition at line 518 of file kmainwindow.cpp.

◆ setCaption [2/2]

void KMainWindow::setCaption	(	const QString &	caption,
		bool	modified
	)

virtualslot

Makes a KDE compliant caption.

Parameters

caption	Your caption. Do not include the application name in this string. It will be added automatically according to the KDE standard.
modified	Specify whether the document is modified. This displays an additional sign in the title bar, usually "**".

Definition at line 523 of file kmainwindow.cpp.

◆ setPlainCaption

void KMainWindow::setPlainCaption ( const QString & caption )

virtualslot

Make a plain caption without any modifications.

Parameters

caption Your caption. This is the string that will be displayed in the window title.

Definition at line 533 of file kmainwindow.cpp.

◆ setSettingsDirty

void KMainWindow::setSettingsDirty ( )

slot

Tell the main window that it should save its settings when being closed.

This is part of the auto-save-settings feature. For everything related to toolbars this happens automatically, but you have to call setSettingsDirty() in the slot that toggles the visibility of the statusbar.

Definition at line 820 of file kmainwindow.cpp.

◆ setStateConfigGroup()

void KMainWindow::setStateConfigGroup ( const QString & configGroup )

Set the config group name for state config returned by stateConfigGroup If this method is called the window size and window state are stored in the resulting KConfigGroup.

Note: If this is used in combination with setAutoSaveSettings, you should call this method first

See also: KSharedConfig::openStateConfig

Since: 5.88

Definition at line 883 of file kmainwindow.cpp.

◆ settingsDirty()

bool KMainWindow::settingsDirty ( ) const

protected

For inherited classes.

Definition at line 826 of file kmainwindow.cpp.

◆ showAboutApplication

virtual void KMainWindow::showAboutApplication ( )

inlineprotectedvirtualslot

This slot does nothing.

It must be reimplemented if you want to use a custom About Application dialog box. This slot is connected to the About Application entry in the menu returned by customHelpMenu.

Example:

void MyMainLevel::setupInterface()
{
  ..
  menuBar()->addMenu( customHelpMenu() );
  ..
}
 
void MyMainLevel::showAboutApplication()
{
  <activate your custom dialog>
}

Deprecated:: Since 5.0, use KHelpMenu

Definition at line 634 of file kmainwindow.h.

◆ toolBar()

KToolBar * KMainWindow::toolBar ( const QString & name = QString() )

Returns a pointer to the toolbar with the specified name.

This refers to toolbars created dynamically from the XML UI framework. If the toolbar does not exist one will be created.

Parameters

name	The internal name of the toolbar. If no name is specified "mainToolBar" is assumed.

Returns: A pointer to the toolbar

Definition at line 996 of file kmainwindow.cpp.

◆ toolBars()

QList< KToolBar * > KMainWindow::toolBars ( ) const

Returns: A list of all toolbars for this window

Definition at line 1012 of file kmainwindow.cpp.

Friends And Related Function Documentation

◆ KDE_DEFAULT_WINDOWFLAGS

#define KDE_DEFAULT_WINDOWFLAGS 0

Deprecated:: Since 5.65, use Qt::WindowFlags()

Definition at line 35 of file kmainwindow.h.

The documentation for this class was generated from the following files:

QWidget::window

QWidget * window() const const

KMainWindow::settingsDirty

bool settingsDirty() const

For inherited classes.

Definition: kmainwindow.cpp:826

KMainWindow::appHelpActivated

void appHelpActivated()

Open the help page for the application.

Definition: kmainwindow.cpp:538

KMainWindow::KMainWindow

KMainWindow(QWidget *parent=nullptr, Qt::WindowFlags f=Qt::WindowFlags())

Construct a main window.

Definition: kmainwindow.cpp:208

QIcon::fromTheme

QIcon fromTheme(const QString &name)

QMenu

QWidget::setAttribute

void setAttribute(Qt::WidgetAttribute attribute, bool on)

KMainWindow::restore

bool restore(int number, bool show=true)

Try to restore the toplevel widget as defined by number (1..X).

Definition: kmainwindow.cpp:503

KStandardGuiItem::save

KGuiItem save()

KMainWindow::saveAutoSaveSettings

void saveAutoSaveSettings()

This slot should only be called in case you reimplement closeEvent() and if you are using the "auto-s...

Definition: kmainwindow.cpp:895

QMenuBar::addMenu

QAction * addMenu(QMenu *menu)

KStandardShortcut::help

const QList< QKeySequence > & help()

QCloseEvent

i18n

QString i18n(const char *text, const TYPE &arg...)

KMainWindow::helpMenu

QMenu * helpMenu(const QString &aboutAppText=QString(), bool showWhatsThis=true)

Retrieve the standard help menu.

Definition: kmainwindow.cpp:444

QString

KMessageBox::PrimaryAction

PrimaryAction

KMainWindow::canBeRestored

static bool canBeRestored(int number)

If the session did contain so high a number, true is returned, else false.

Definition: kmainwindow.cpp:474

QMainWindow::menuBar

QMenuBar * menuBar() const const

KMainWindow::customHelpMenu

QMenu * customHelpMenu(bool showWhatsThis=true)

Returns the help menu.

Definition: kmainwindow.cpp:462

KMessageBox::SecondaryAction

SecondaryAction

KMainWindow::toolBar

KToolBar * toolBar(const QString &name=QString())

Returns a pointer to the toolbar with the specified name.

Definition: kmainwindow.cpp:996

QToolBar::addAction

QAction * addAction(const QString &text)

KMainWindow

Top level main window.

Definition: kmainwindow.h:96

QObject::setObjectName

void setObjectName(const QString &name)

KMessageBox::warningTwoActionsCancel

ButtonCode warningTwoActionsCancel(QWidget *parent, const QString &text, const QString &title, const KGuiItem &primaryAction, const KGuiItem &secondaryAction, const KGuiItem &cancelAction=KStandardGuiItem::cancel(), const QString &dontAskAgainName=QString(), Options options=Options(Notify|Dangerous))

Qt::WA_DeleteOnClose

WA_DeleteOnClose

KStandardGuiItem::discard

KGuiItem discard()

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Detailed Description

Constructor & Destructor Documentation

◆ KMainWindow()

◆ ~KMainWindow()

Member Function Documentation

◆ appHelpActivated

◆ applyMainWindowSettings()

◆ autoSaveConfigGroup()

◆ autoSaveGroup()

◆ autoSaveSettings()

◆ canBeRestored()

◆ classNameOfToplevel()

◆ closeEvent()

◆ customHelpMenu()

◆ dbusName()

◆ event()

◆ hasMenuBar()

◆ helpMenu()

◆ initialGeometrySet()

◆ memberList()

◆ queryClose()

◆ readGlobalProperties()

◆ readProperties()

◆ resetAutoSaveSettings()

◆ restore()

◆ restoreWindowSize()

◆ saveAutoSaveSettings

◆ saveGlobalProperties()

◆ saveMainWindowSettings()

◆ saveProperties()

◆ saveWindowSize()

◆ setAutoSaveSettings() [1/2]

◆ setAutoSaveSettings() [2/2]

◆ setCaption [1/2]

◆ setCaption [2/2]

◆ setPlainCaption

◆ setSettingsDirty

◆ setStateConfigGroup()

◆ settingsDirty()

◆ showAboutApplication

◆ toolBar()

◆ toolBars()

Friends And Related Function Documentation

◆ KDE_DEFAULT_WINDOWFLAGS