API reference - Class QApplication

Notation used in Ruby API documentation

Description: Binding of QApplication

Class hierarchy: QApplication » QCoreApplication » QObject

• Public constructors
• Public methods
• Public static methods and constants
• Protected methods (static, non-static and constructors)
• Detailed description

Public constructors

Public methods

Public static methods and constants

Protected methods (static, non-static and constructors)

Detailed description

[static] QApplication_Type GuiClient

Description: Enum constant enum QApplication::GuiClient

[static] QApplication_Type GuiServer

Description: Enum constant enum QApplication::GuiServer

[static] QApplication_Type Tty

Description: Enum constant enum QApplication::Tty

[static] void aboutQt

Description: Static method void QApplication::aboutQt()

This method is static and can be called without an instance.

[event] void aboutToQuit

Description: Signal declaration for QApplication::aboutToQuit()

You can bind a procedure to this signal.

[static] QWidget ptr activeModalWidget

Description: Static method QWidget * QApplication::activeModalWidget()

This method is static and can be called without an instance.

[static] QWidget ptr activePopupWidget

Description: Static method QWidget * QApplication::activePopupWidget()

This method is static and can be called without an instance.

[static] QWidget ptr activeWindow

Description: Static method QWidget * QApplication::activeWindow()

This method is static and can be called without an instance.

[static] void alert(QWidget ptr widget)

Description: Static method void QApplication::alert(QWidget *widget, int duration)

This method is static and can be called without an instance.

[static] void alert(QWidget ptr widget,int duration)

Description: Static method void QApplication::alert(QWidget *widget, int duration)

This method is static and can be called without an instance.

[static] QWidget ptr[] allWidgets

Description: Static method QList<class QWidget *> QApplication::allWidgets()

This method is static and can be called without an instance.

[const] bool autoSipEnabled

Description: Method bool QApplication::autoSipEnabled()

void autoSipEnabled=(bool enabled)

Description: Method void QApplication::setAutoSipEnabled(const bool enabled)

[static] void beep

Description: Static method void QApplication::beep()

This method is static and can be called without an instance.

[static] void changeOverrideCursor(const QCursor arg1)

Description: Static method void QApplication::changeOverrideCursor(const QCursor &)

This method is static and can be called without an instance.

[virtual] void childEvent(QChildEvent ptr arg1)

Description: Virtual method void QApplication::childEvent(QChildEvent *)

This method can be reimplemented in a derived class.

[static] QClipboard ptr clipboard

Description: Static method QClipboard * QApplication::clipboard()

This method is static and can be called without an instance.

[static] void closeAllWindows

Description: Static method void QApplication::closeAllWindows()

This method is static and can be called without an instance.

[static] int colorSpec

Description: Static method int QApplication::colorSpec()

This method is static and can be called without an instance.

[virtual] void commitData(QSessionManager sm)

Description: Virtual method void QApplication::commitData(QSessionManager &sm)

This method can be reimplemented in a derived class.

[event] void commitDataRequest(QSessionManager sessionManager)

Description: Signal declaration for QApplication::commitDataRequest(QSessionManager &sessionManager)

You can bind a procedure to this signal.

void create

Description: Ensures the C++ object is created

Use this method to ensure the C++ object is created, for example to ensure that resources are allocated. Usually C++ objects are created on demand and not necessarily when the script object is created.

[static] int cursorFlashTime

Description: Static method int QApplication::cursorFlashTime()

This method is static and can be called without an instance.

[virtual] void customEvent(QEvent ptr arg1)

Description: Virtual method void QApplication::customEvent(QEvent *)

This method can be reimplemented in a derived class.

[static] QDesktopWidget ptr desktop

Description: Static method QDesktopWidget * QApplication::desktop()

This method is static and can be called without an instance.

[static] bool desktopSettingsAware

Description: Static method bool QApplication::desktopSettingsAware()

This method is static and can be called without an instance.

void destroy

Description: Explicitly destroy the object

Explicitly destroy the object on C++ side if it was owned by the Ruby interpreter. Subsequent access to this object will throw an exception. If the object is not owned by Ruby, this method will do nothing.

[event] void destroyed(QObject ptr arg1)

Description: Signal declaration for QApplication::destroyed(QObject *)

You can bind a procedure to this signal.

[const] bool destroyed?

Description: Returns a value indicating whether the object was already destroyed

This method returns true, if the object was destroyed, either explicitly or by the C++ side. The latter may happen, if the object is owned by a C++ object which got destroyed itself.

[virtual] void disconnectNotify(string signal)

Description: Virtual method void QApplication::disconnectNotify(const char *signal)

This method can be reimplemented in a derived class.

[static] int doubleClickInterval

Description: Static method int QApplication::doubleClickInterval()

This method is static and can be called without an instance.

[virtual] bool event(QEvent ptr arg1)

Description: Virtual method bool QApplication::event(QEvent *)

This method can be reimplemented in a derived class.

[virtual] bool eventFilter(QObject ptr arg1,QEvent ptr arg2)

Description: Virtual method bool QApplication::eventFilter(QObject *, QEvent *)

This method can be reimplemented in a derived class.

[static] int exec

Description: Static method int QApplication::exec()

This method is static and can be called without an instance.

[event] void focusChanged(QWidget ptr old,QWidget ptr now)

Description: Signal declaration for QApplication::focusChanged(QWidget *old, QWidget *now)

You can bind a procedure to this signal.

[static] QWidget ptr focusWidget

Description: Static method QWidget * QApplication::focusWidget()

This method is static and can be called without an instance.

[static] QFont font

Description: Static method QFont QApplication::font()

This method is static and can be called without an instance.

[static] QFont font(string className)

Description: Static method QFont QApplication::font(const char *className)

This method is static and can be called without an instance.

[static] QFont font(const QWidget ptr arg1)

Description: Static method QFont QApplication::font(const QWidget *)

This method is static and can be called without an instance.

[event] void fontDatabaseChanged

Description: Signal declaration for QApplication::fontDatabaseChanged()

You can bind a procedure to this signal.

[static] QFontMetrics fontMetrics

Description: Static method QFontMetrics QApplication::fontMetrics()

This method is static and can be called without an instance.

[static] QSize globalStrut

Description: Static method QSize QApplication::globalStrut()

This method is static and can be called without an instance.

[const] QInputContext ptr inputContext

Description: Method QInputContext * QApplication::inputContext()

void inputContext=(QInputContext ptr arg1)

Description: Method void QApplication::setInputContext(QInputContext *)

[static] bool isEffectEnabled(const Qt_UIEffect arg1)

Description: Static method bool QApplication::isEffectEnabled(Qt::UIEffect )

This method is static and can be called without an instance.

[static] bool isEffectEnabled?(const Qt_UIEffect arg1)

Description: Static method bool QApplication::isEffectEnabled(Qt::UIEffect )

This method is static and can be called without an instance.

[static] bool isLeftToRight

Description: Static method bool QApplication::isLeftToRight()

This method is static and can be called without an instance.

[static] bool isLeftToRight?

Description: Static method bool QApplication::isLeftToRight()

This method is static and can be called without an instance.

[static] bool isRightToLeft

Description: Static method bool QApplication::isRightToLeft()

This method is static and can be called without an instance.

[static] bool isRightToLeft?

Description: Static method bool QApplication::isRightToLeft()

This method is static and can be called without an instance.

[const] bool isSessionRestored

Description: Method bool QApplication::isSessionRestored()

[const] bool isSessionRestored?

Description: Method bool QApplication::isSessionRestored()

[const] bool is_const_object?

Description: Returns a value indicating whether the reference is a const reference

This method returns true, if self is a const reference. In that case, only const methods may be called on self.

[static] Qt_LayoutDirection keyboardInputDirection

Description: Static method Qt::LayoutDirection QApplication::keyboardInputDirection()

This method is static and can be called without an instance.

[static] int keyboardInputInterval

Description: Static method int QApplication::keyboardInputInterval()

This method is static and can be called without an instance.

[static] QLocale keyboardInputLocale

Description: Static method QLocale QApplication::keyboardInputLocale()

This method is static and can be called without an instance.

[static] int keyboardModifiers

Description: Static method QFlags<enum Qt::KeyboardModifier> QApplication::keyboardModifiers()

This method is static and can be called without an instance.

[event] void lastWindowClosed

Description: Signal declaration for QApplication::lastWindowClosed()

You can bind a procedure to this signal.

[static] Qt_LayoutDirection layoutDirection

Description: Static method Qt::LayoutDirection QApplication::layoutDirection()

This method is static and can be called without an instance.

[static] int mouseButtons

Description: Static method QFlags<enum Qt::MouseButton> QApplication::mouseButtons()

This method is static and can be called without an instance.

[static] new QApplication new_app

Description: Creates a new QApplication object

This implementation is provided for test purposes only. It is not required usually to create a QApplication object. Use the object provided by QApplication::instance instead.

[virtual] bool notify(QObject ptr arg1,QEvent ptr arg2)

Description: Virtual method bool QApplication::notify(QObject *, QEvent *)

This method can be reimplemented in a derived class.

[static] QCursor ptr overrideCursor

Description: Static method QCursor * QApplication::overrideCursor()

This method is static and can be called without an instance.

[static] QPalette palette

Description: Static method QPalette QApplication::palette()

This method is static and can be called without an instance.

[static] QPalette palette(string className)

Description: Static method QPalette QApplication::palette(const char *className)

This method is static and can be called without an instance.

[static] QPalette palette(const QWidget ptr arg1)

Description: Static method QPalette QApplication::palette(const QWidget *)

This method is static and can be called without an instance.

[static] bool quitOnLastWindowClosed

Description: Static method bool QApplication::quitOnLastWindowClosed()

This method is static and can be called without an instance.

[const] int receivers(string signal)

Description: Method int QApplication::receivers(const char *signal)

This method is protected and can only be called from inside a derived class.

[static] void restoreOverrideCursor

Description: Static method void QApplication::restoreOverrideCursor()

This method is static and can be called without an instance.

[virtual] void saveState(QSessionManager sm)

Description: Virtual method void QApplication::saveState(QSessionManager &sm)

This method can be reimplemented in a derived class.

[event] void saveStateRequest(QSessionManager sessionManager)

Description: Signal declaration for QApplication::saveStateRequest(QSessionManager &sessionManager)

You can bind a procedure to this signal.

[const] QObject ptr sender

Description: Method QObject * QApplication::sender()

This method is protected and can only be called from inside a derived class.

[const] string sessionId

Description: Method QString QApplication::sessionId()

[const] string sessionKey

Description: Method QString QApplication::sessionKey()

[static] void setActiveWindow(QWidget ptr act)

Description: Static method void QApplication::setActiveWindow(QWidget *act)

This method is static and can be called without an instance.

void setAutoSipEnabled(bool enabled)

Description: Method void QApplication::setAutoSipEnabled(const bool enabled)

[static] void setColorSpec(int arg1)

Description: Static method void QApplication::setColorSpec(int )

This method is static and can be called without an instance.

[static] void setCursorFlashTime(int arg1)

Description: Static method void QApplication::setCursorFlashTime(int )

This method is static and can be called without an instance.

[static] void setDesktopSettingsAware(bool arg1)

Description: Static method void QApplication::setDesktopSettingsAware(bool )

This method is static and can be called without an instance.

[static] void setDoubleClickInterval(int arg1)

Description: Static method void QApplication::setDoubleClickInterval(int )

This method is static and can be called without an instance.

[static] void setEffectEnabled(const Qt_UIEffect arg1)

Description: Static method void QApplication::setEffectEnabled(Qt::UIEffect, bool enable)

This method is static and can be called without an instance.

[static] void setEffectEnabled(const Qt_UIEffect arg1,bool enable)

Description: Static method void QApplication::setEffectEnabled(Qt::UIEffect, bool enable)

This method is static and can be called without an instance.

[static] void setFont(const QFont arg1)

Description: Static method void QApplication::setFont(const QFont &, const char *className)

This method is static and can be called without an instance.

[static] void setFont(const QFont arg1,string className)

Description: Static method void QApplication::setFont(const QFont &, const char *className)

This method is static and can be called without an instance.

[static] void setGlobalStrut(const QSize arg1)

Description: Static method void QApplication::setGlobalStrut(const QSize &)

This method is static and can be called without an instance.

[static] void setGraphicsSystem(string arg1)

Description: Static method void QApplication::setGraphicsSystem(const QString &)

This method is static and can be called without an instance.

void setInputContext(QInputContext ptr arg1)

Description: Method void QApplication::setInputContext(QInputContext *)

[static] void setKeyboardInputInterval(int arg1)

Description: Static method void QApplication::setKeyboardInputInterval(int )

This method is static and can be called without an instance.

[static] void setLayoutDirection(const Qt_LayoutDirection direction)

Description: Static method void QApplication::setLayoutDirection(Qt::LayoutDirection direction)

This method is static and can be called without an instance.

[static] void setOverrideCursor(const QCursor arg1)

Description: Static method void QApplication::setOverrideCursor(const QCursor &)

This method is static and can be called without an instance.

[static] void setPalette(const QPalette arg1)

Description: Static method void QApplication::setPalette(const QPalette &, const char *className)

This method is static and can be called without an instance.

[static] void setPalette(const QPalette arg1,string className)

Description: Static method void QApplication::setPalette(const QPalette &, const char *className)

This method is static and can be called without an instance.

[static] void setQuitOnLastWindowClosed(bool quit)

Description: Static method void QApplication::setQuitOnLastWindowClosed(bool quit)

This method is static and can be called without an instance.

[static] void setStartDragDistance(int l)

Description: Static method void QApplication::setStartDragDistance(int l)

This method is static and can be called without an instance.

[static] void setStartDragTime(int ms)

Description: Static method void QApplication::setStartDragTime(int ms)

This method is static and can be called without an instance.

[static] void setStyle(QStyle ptr arg1)

Description: Static method void QApplication::setStyle(QStyle *)

This method is static and can be called without an instance.

[static] QStyle ptr setStyle(string arg1)

Description: Static method QStyle * QApplication::setStyle(const QString &)

This method is static and can be called without an instance.

void setStyleSheet(string sheet)

Description: Method void QApplication::setStyleSheet(const QString &sheet)

[static] void setWheelScrollLines(int arg1)

Description: Static method void QApplication::setWheelScrollLines(int )

This method is static and can be called without an instance.

[static] void setWindowIcon(const QIcon icon)

Description: Static method void QApplication::setWindowIcon(const QIcon &icon)

This method is static and can be called without an instance.

[static] int startDragDistance

Description: Static method int QApplication::startDragDistance()

This method is static and can be called without an instance.

[static] int startDragTime

Description: Static method int QApplication::startDragTime()

This method is static and can be called without an instance.

[static] QMetaObject staticMetaObject

Description: Obtains the static MetaObject for this class.

[static] QStyle ptr style

Description: Static method QStyle * QApplication::style()

This method is static and can be called without an instance.

[const] string styleSheet

Description: Method QString QApplication::styleSheet()

void styleSheet=(string sheet)

Description: Method void QApplication::setStyleSheet(const QString &sheet)

[static] void syncX

Description: Static method void QApplication::syncX()

This method is static and can be called without an instance.

[virtual] void timerEvent(QTimerEvent ptr arg1)

Description: Virtual method void QApplication::timerEvent(QTimerEvent *)

This method can be reimplemented in a derived class.

[static] QWidget ptr topLevelAt(int x,int y)

Description: Static method QWidget * QApplication::topLevelAt(int x, int y)

This method is static and can be called without an instance.

[static] QWidget ptr topLevelAt(const QPoint p)

Description: Static method QWidget * QApplication::topLevelAt(const QPoint &p)

This method is static and can be called without an instance.

[static] QWidget ptr[] topLevelWidgets

Description: Static method QList<class QWidget *> QApplication::topLevelWidgets()

This method is static and can be called without an instance.

[static] string tr(string s)

Description: Static method QString QApplication::tr(const char *s, const char *c)

This method is static and can be called without an instance.

[static] string tr(string s,string c)

Description: Static method QString QApplication::tr(const char *s, const char *c)

This method is static and can be called without an instance.

[static] string tr(string s,string c,int n)

Description: Static method QString QApplication::tr(const char *s, const char *c, int n)

This method is static and can be called without an instance.

[static] string trUtf8(string s)

Description: Static method QString QApplication::trUtf8(const char *s, const char *c)

This method is static and can be called without an instance.

[static] string trUtf8(string s,string c)

Description: Static method QString QApplication::trUtf8(const char *s, const char *c)

This method is static and can be called without an instance.

[static] string trUtf8(string s,string c,int n)

Description: Static method QString QApplication::trUtf8(const char *s, const char *c, int n)

This method is static and can be called without an instance.

[static] QApplication_Type type

Description: Static method QApplication::Type QApplication::type()

This method is static and can be called without an instance.

[event] void unixSignal(int arg1)

Description: Signal declaration for QApplication::unixSignal(int )

You can bind a procedure to this signal.

[static] int wheelScrollLines

Description: Static method int QApplication::wheelScrollLines()

This method is static and can be called without an instance.

[static] QWidget ptr widgetAt(int x,int y)

Description: Static method QWidget * QApplication::widgetAt(int x, int y)

This method is static and can be called without an instance.

[static] QWidget ptr widgetAt(const QPoint p)

Description: Static method QWidget * QApplication::widgetAt(const QPoint &p)

This method is static and can be called without an instance.

[static] QIcon windowIcon

Description: Static method QIcon QApplication::windowIcon()

This method is static and can be called without an instance.