io.qt.widgets.QApplication

All Implemented Interfaces:: QtObjectInterface, QtSignalBlockerInterface, QtSignalEmitterInterface, QtThreadAffineInterface

public class QApplication
extends QGuiApplication

Manages the GUI application's control flow and main settings

Java wrapper for Qt class QApplication

Nested Class Summary

Nested classes/interfaces inherited from class io.qt.core.QObject
QObject.MultiSignal, QObject.PrivateSignal0, QObject.PrivateSignal1<A>, QObject.PrivateSignal2<A,B>, QObject.PrivateSignal3<A,B,C>, QObject.PrivateSignal4<A,B,C,D>, QObject.PrivateSignal5<A,B,C,D,E>, QObject.PrivateSignal6<A,B,C,D,E,F>, QObject.PrivateSignal7<A,B,C,D,E,F,G>, QObject.PrivateSignal8<A,B,C,D,E,F,G,H>, QObject.PrivateSignal9<A,B,C,D,E,F,G,H,I>, QObject.QBooleanProperty, QObject.QByteProperty, QObject.QCharProperty, QObject.QComputedBooleanProperty, QObject.QComputedByteProperty, QObject.QComputedCharProperty, QObject.QComputedDoubleProperty, QObject.QComputedFloatProperty, QObject.QComputedIntProperty, QObject.QComputedLongProperty, QObject.QComputedProperty<T>, QObject.QComputedShortProperty, QObject.QDeclarativeConstructor, QObject.QDoubleProperty, QObject.QFloatProperty, QObject.QIntProperty, QObject.QLongProperty, QObject.QProperty<T>, QObject.QShortProperty, QObject.Signal0, QObject.Signal1<A>, QObject.Signal1Default1<A>, QObject.Signal2<A,B>, QObject.Signal2Default1<A,B>, QObject.Signal2Default2<A,B>, QObject.Signal3<A,B,C>, QObject.Signal3Default1<A,B,C>, QObject.Signal3Default2<A,B,C>, QObject.Signal3Default3<A,B,C>, QObject.Signal4<A,B,C,D>, QObject.Signal4Default1<A,B,C,D>, QObject.Signal4Default2<A,B,C,D>, QObject.Signal4Default3<A,B,C,D>, QObject.Signal4Default4<A,B,C,D>, QObject.Signal5<A,B,C,D,E>, QObject.Signal5Default1<A,B,C,D,E>, QObject.Signal5Default2<A,B,C,D,E>, QObject.Signal5Default3<A,B,C,D,E>, QObject.Signal5Default4<A,B,C,D,E>, QObject.Signal5Default5<A,B,C,D,E>, QObject.Signal6<A,B,C,D,E,F>, QObject.Signal6Default1<A,B,C,D,E,F>, QObject.Signal6Default2<A,B,C,D,E,F>, QObject.Signal6Default3<A,B,C,D,E,F>, QObject.Signal6Default4<A,B,C,D,E,F>, QObject.Signal6Default5<A,B,C,D,E,F>, QObject.Signal6Default6<A,B,C,D,E,F>, QObject.Signal7<A,B,C,D,E,F,G>, QObject.Signal7Default1<A,B,C,D,E,F,G>, QObject.Signal7Default2<A,B,C,D,E,F,G>, QObject.Signal7Default3<A,B,C,D,E,F,G>, QObject.Signal7Default4<A,B,C,D,E,F,G>, QObject.Signal7Default5<A,B,C,D,E,F,G>, QObject.Signal7Default6<A,B,C,D,E,F,G>, QObject.Signal7Default7<A,B,C,D,E,F,G>, QObject.Signal8<A,B,C,D,E,F,G,H>, QObject.Signal8Default1<A,B,C,D,E,F,G,H>, QObject.Signal8Default2<A,B,C,D,E,F,G,H>, QObject.Signal8Default3<A,B,C,D,E,F,G,H>, QObject.Signal8Default4<A,B,C,D,E,F,G,H>, QObject.Signal8Default5<A,B,C,D,E,F,G,H>, QObject.Signal8Default6<A,B,C,D,E,F,G,H>, QObject.Signal8Default7<A,B,C,D,E,F,G,H>, QObject.Signal8Default8<A,B,C,D,E,F,G,H>, QObject.Signal9<A,B,C,D,E,F,G,H,I>, QObject.Signal9Default1<A,B,C,D,E,F,G,H,I>, QObject.Signal9Default2<A,B,C,D,E,F,G,H,I>, QObject.Signal9Default3<A,B,C,D,E,F,G,H,I>, QObject.Signal9Default4<A,B,C,D,E,F,G,H,I>, QObject.Signal9Default5<A,B,C,D,E,F,G,H,I>, QObject.Signal9Default6<A,B,C,D,E,F,G,H,I>, QObject.Signal9Default7<A,B,C,D,E,F,G,H,I>, QObject.Signal9Default8<A,B,C,D,E,F,G,H,I>, QObject.Signal9Default9<A,B,C,D,E,F,G,H,I>, QObject.SignalConfiguration

Nested classes/interfaces inherited from class io.qt.QtObject
QtObject.QPrivateConstructor

Field Summary

Fields
Modifier and Type	Field	Description
`QObject.Signal2<QWidget,QWidget>`	`focusChanged`	See QApplication::focusChanged(QWidget * old, QWidget * now)
`static QMetaObject`	`staticMetaObject`	This variable stores the meta-object for the class.

Fields inherited from class io.qt.gui.QGuiApplication

applicationDisplayNameChanged, applicationStateChanged, commitDataRequest, focusObjectChanged, focusWindowChanged, fontChanged, fontDatabaseChanged, lastWindowClosed, layoutDirectionChanged, paletteChanged, primaryScreenChanged, saveStateRequest, screenAdded, screenRemoved

Fields inherited from class io.qt.core.QCoreApplication

aboutToQuit, applicationNameChanged, applicationVersionChanged, organizationDomainChanged, organizationNameChanged

Fields inherited from class io.qt.core.QObject

destroyed, objectNameChanged

Constructor Summary

Constructors
Modifier	Constructor	Description
`protected`	`QApplication(QtObject.QPrivateConstructor p)`	Constructor for internal use only.
`protected`	`QApplication(String[] argv)`

Method Summary

Modifier and Type	Method	Description
`static void`	`aboutQt()`	See QApplication::aboutQt()
`static QWidget`	`activeModalWidget()`	See QApplication::activeModalWidget()
`static QWidget`	`activePopupWidget()`	See QApplication::activePopupWidget()
`static QWidget`	`activeWindow()`	See QApplication::activeWindow()
`static void`	`alert(QWidget widget)`	Overloaded function for `alert(io.qt.widgets.QWidget, int)` with `duration = 0`.
`static void`	`alert(QWidget widget, int duration)`	See QApplication::alert(QWidget*,int)
`static QList<QWidget>`	`allWidgets()`	See QApplication::allWidgets()
`boolean`	`autoSipEnabled()`	See QApplication::autoSipEnabled()const
`static void`	`beep()`	See QApplication::beep()
`static void`	`closeAllWindows()`	See QApplication::closeAllWindows()
`static int`	`cursorFlashTime()`	See QApplication::cursorFlashTime()
`static int`	`doubleClickInterval()`	See QApplication::doubleClickInterval()
`boolean`	`event(QEvent arg__1)`	See QObject::event(QEvent*)
`static int`	`exec()`
`static QWidget`	`focusWidget()`	See QApplication::focusWidget()
`static QFont`	`font()`	See QGuiApplication::font()
`static QFont`	`font(QWidget arg__1)`
`static QFont`	`font(String className)`
`static QFontMetrics`	`fontMetrics()`	Deprecated. Use the QFontMetricsF constructor instead.
`static QApplication`	`initialize(String[] args)`
`static QApplication`	`initialize(String applicationName, String[] args)`
`static QApplication`	`instance()`
`static boolean`	`isEffectEnabled(Qt.UIEffect arg__1)`	See QApplication::isEffectEnabled(Qt::UIEffect)
`static int`	`keyboardInputInterval()`	See QApplication::keyboardInputInterval()
`boolean`	`notify(QObject arg__1, QEvent arg__2)`	See QCoreApplication::notify(QObject,QEvent)
`static QPalette`	`palette(QWidget arg__1)`
`static QPalette`	`palette(String className)`
`static void`	`setActiveWindow(QWidget act)`	See QApplication::setActiveWindow(QWidget*)
`void`	`setAutoSipEnabled(boolean enabled)`	See QApplication::setAutoSipEnabled(bool)
`static void`	`setCursorFlashTime(int arg__1)`	See QApplication::setCursorFlashTime(int)
`static void`	`setDoubleClickInterval(int arg__1)`	See QApplication::setDoubleClickInterval(int)
`static void`	`setEffectEnabled(Qt.UIEffect arg__1)`	Overloaded function for `setEffectEnabled(io.qt.core.Qt.UIEffect, boolean)` with `enable = true`.
`static void`	`setEffectEnabled(Qt.UIEffect arg__1, boolean enable)`	See QApplication::setEffectEnabled(Qt::UIEffect,bool)
`static void`	`setFont(QFont arg__1, String className)`	See QApplication::setFont(QFont,const char*)
`static void`	`setKeyboardInputInterval(int arg__1)`	See QApplication::setKeyboardInputInterval(int)
`static void`	`setPalette(QPalette arg__1, String className)`	See QApplication::setPalette(QPalette,const char*)
`static void`	`setStartDragDistance(int l)`	See QApplication::setStartDragDistance(int)
`static void`	`setStartDragTime(int ms)`	See QApplication::setStartDragTime(int)
`static void`	`setStyle(QStyle arg__1)`	See QApplication::setStyle(QStyle*)
`static QStyle`	`setStyle(String arg__1)`	See QApplication::setStyle(QString)
`void`	`setStyleSheet(String sheet)`	See QApplication::setStyleSheet(QString)
`static void`	`setWheelScrollLines(int arg__1)`	See QApplication::setWheelScrollLines(int)
`static void`	`shutdown()`
`static int`	`startDragDistance()`	See QApplication::startDragDistance()
`static int`	`startDragTime()`	See QApplication::startDragTime()
`static QStyle`	`style()`	See QApplication::style()
`String`	`styleSheet()`	See QApplication::styleSheet()const
`static QWidget`	`topLevelWidgetAt(int x, int y)`	See QApplication::topLevelAt(int,int)
`static QWidget`	`topLevelWidgetAt(QPoint p)`	See QApplication::topLevelAt(QPoint)
`static QList<QWidget>`	`topLevelWidgets()`	See QApplication::topLevelWidgets()
`static int`	`wheelScrollLines()`	See QApplication::wheelScrollLines()
`static QWidget`	`widgetAt(int x, int y)`	See QApplication::widgetAt(int,int)
`static QWidget`	`widgetAt(QPoint p)`	See QApplication::widgetAt(QPoint)

Methods inherited from class io.qt.gui.QGuiApplication

allWindows, applicationDisplayName, applicationState, changeOverrideCursor, clipboard, desktopFileName, desktopSettingsAware, devicePixelRatio, focusObject, focusWindow, highDpiScaleFactorRoundingPolicy, inputMethod, isLeftToRight, isRightToLeft, isSavingSession, isSessionRestored, keyboardModifiers, layoutDirection, modalWindow, mouseButtons, overrideCursor, palette, platformName, primaryScreen, queryKeyboardModifiers, quitOnLastWindowClosed, restoreOverrideCursor, screenAt, screens, sessionId, sessionKey, setApplicationDisplayName, setDesktopFileName, setDesktopSettingsAware, setFont, setHighDpiScaleFactorRoundingPolicy, setLayoutDirection, setOverrideCursor, setPalette, setQuitOnLastWindowClosed, setWindowIcon, styleHints, sync, topLevelWindowAt, topLevelWindows, windowIcon

Methods inherited from class io.qt.core.QCoreApplication

addLibraryPath, addPostRoutine, addPreRoutine, applicationDirPath, applicationFilePath, applicationName, applicationPid, applicationVersion, arguments, closingDown, eventDispatcher, exit, exit, initialize, initialize, installTranslator, isQuitLockEnabled, isSetuidAllowed, libraryPaths, organizationDomain, organizationName, postEvent, postEvent, processEvents, processEvents, processEvents, processEvents, quit, removeLibraryPath, removePostedEvents, removePostedEvents, removePostRoutine, removeTranslator, sendEvent, sendPostedEvents, sendPostedEvents, sendPostedEvents, sendPostedEvents, setApplicationName, setApplicationVersion, setAttribute, setAttribute, setEventDispatcher, setLibraryPaths, setOrganizationDomain, setOrganizationName, setQuitLockEnabled, setSetuidAllowed, startingUp, testAttribute, translate, translate, translate

Methods inherited from class io.qt.core.QObject

blockSignals, childEvent, children, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connect, connectNotify, customEvent, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnect, disconnectNotify, disposeLater, dumpObjectInfo, dumpObjectTree, dynamicPropertyNames, emit, emit, emit, emit, emit, emit, emit, emit, emit, emit, eventFilter, findChild, findChild, findChild, findChild, findChild, findChildren, findChildren, findChildren, findChildren, findChildren, findChildren, findChildren, findChildren, inherits, inherits, installEventFilter, isSignalConnected, isWidgetType, isWindowType, killTimer, metaObject, moveToThread, objectName, parent, property, qt_metacast, receivers, receivers, removeEventFilter, sender, senderSignalIndex, setObjectName, setParent, setProperty, signalsBlocked, startTimer, startTimer, thread, timerEvent, toString, tr, tr, tr

Methods inherited from class io.qt.QtObject

dispose, equals, isDisposed

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait

Methods inherited from interface io.qt.QtObjectInterface

dispose, isDisposed

Field Details
- staticMetaObject
  
  public static final QMetaObject staticMetaObject
  
  This variable stores the meta-object for the class.
- focusChanged
  
  public final QObject.Signal2<QWidget,QWidget> focusChanged
  
  See QApplication::focusChanged(QWidget * old, QWidget * now)
Constructor Details
- QApplication
  
  protected QApplication(String[] argv)
- QApplication
  
  protected QApplication(QtObject.QPrivateConstructor p)
  
  Constructor for internal use only.
  
  Parameters:
  
  p - expected to be null.
Method Details
- autoSipEnabled
  
  public final boolean autoSipEnabled()
  
  See QApplication::autoSipEnabled()const
- setAutoSipEnabled
  
  public final void setAutoSipEnabled(boolean enabled)
  
  See QApplication::setAutoSipEnabled(bool)
- setStyleSheet
  
  public final void setStyleSheet(String sheet)
  
  See QApplication::setStyleSheet(QString)
- styleSheet
  
  @QtUninvokable public final String styleSheet()
  
  See QApplication::styleSheet()const
- event
  
  @QtUninvokable public boolean event(QEvent arg__1)
  
  See QObject::event(QEvent*)
  
  Overrides:
  
  event in class QGuiApplication
- notify
  
  @QtUninvokable public boolean notify(QObject arg__1, QEvent arg__2)
  
  See QCoreApplication::notify(QObject*,QEvent*)
  
  Overrides:
  
  notify in class QGuiApplication
- aboutQt
  
  public static void aboutQt()
  
  See QApplication::aboutQt()
- activeModalWidget
  
  public static QWidget activeModalWidget()
  
  See QApplication::activeModalWidget()
- activePopupWidget
  
  public static QWidget activePopupWidget()
  
  See QApplication::activePopupWidget()
- activeWindow
  
  public static QWidget activeWindow()
  
  See QApplication::activeWindow()
- alert
  
  public static void alert(QWidget widget)
  
  Overloaded function for alert(io.qt.widgets.QWidget, int) with duration = 0.
- alert
  
  public static void alert(QWidget widget, int duration)
  
  See QApplication::alert(QWidget*,int)
- allWidgets
  
  public static QList<QWidget> allWidgets()
  
  See QApplication::allWidgets()
- beep
  
  public static void beep()
  
  See QApplication::beep()
- closeAllWindows
  
  public static void closeAllWindows()
  
  See QApplication::closeAllWindows()
- cursorFlashTime
  
  public static int cursorFlashTime()
  
  See QApplication::cursorFlashTime()
- doubleClickInterval
  
  public static int doubleClickInterval()
  
  See QApplication::doubleClickInterval()
- focusWidget
  
  public static QWidget focusWidget()
  
  See QApplication::focusWidget()
- font
  
  public static QFont font()
  
  See QGuiApplication::font()
- font
  
  public static QFont font(QWidget arg__1)
- font
  
  public static QFont font(String className)
- fontMetrics
  
  @Deprecated public static QFontMetrics fontMetrics()
  
  Deprecated.
  Use the QFontMetricsF constructor instead.
  
  See QApplication::fontMetrics()
- isEffectEnabled
  
  public static boolean isEffectEnabled(Qt.UIEffect arg__1)
  
  See QApplication::isEffectEnabled(Qt::UIEffect)
- keyboardInputInterval
  
  public static int keyboardInputInterval()
  
  See QApplication::keyboardInputInterval()
- palette
  
  public static QPalette palette(QWidget arg__1)
- palette
  
  public static QPalette palette(String className)
- setActiveWindow
  
  public static void setActiveWindow(QWidget act)
  
  See QApplication::setActiveWindow(QWidget*)
- setCursorFlashTime
  
  public static void setCursorFlashTime(int arg__1)
  
  See QApplication::setCursorFlashTime(int)
- setDoubleClickInterval
  
  public static void setDoubleClickInterval(int arg__1)
  
  See QApplication::setDoubleClickInterval(int)
- setEffectEnabled
  
  public static void setEffectEnabled(Qt.UIEffect arg__1)
  
  Overloaded function for setEffectEnabled(io.qt.core.Qt.UIEffect, boolean) with enable = true.
- setEffectEnabled
  
  public static void setEffectEnabled(Qt.UIEffect arg__1, boolean enable)
  
  See QApplication::setEffectEnabled(Qt::UIEffect,bool)
- setFont
  
  public static void setFont(QFont arg__1, String className)
  
  See QApplication::setFont(QFont,const char*)
- setKeyboardInputInterval
  
  public static void setKeyboardInputInterval(int arg__1)
  
  See QApplication::setKeyboardInputInterval(int)
- setPalette
  
  public static void setPalette(QPalette arg__1, String className)
  
  See QApplication::setPalette(QPalette,const char*)
- setStartDragDistance
  
  public static void setStartDragDistance(int l)
  
  See QApplication::setStartDragDistance(int)
- setStartDragTime
  
  public static void setStartDragTime(int ms)
  
  See QApplication::setStartDragTime(int)
- setStyle
  
  public static void setStyle(QStyle arg__1)
  
  See QApplication::setStyle(QStyle*)
- setStyle
  
  public static QStyle setStyle(String arg__1)
  
  See QApplication::setStyle(QString)
- setWheelScrollLines
  
  public static void setWheelScrollLines(int arg__1)
  
  See QApplication::setWheelScrollLines(int)
- startDragDistance
  
  public static int startDragDistance()
  
  See QApplication::startDragDistance()
- startDragTime
  
  public static int startDragTime()
  
  See QApplication::startDragTime()
- style
  
  public static QStyle style()
  
  See QApplication::style()
- topLevelWidgetAt
  
  public static QWidget topLevelWidgetAt(QPoint p)
  
  See QApplication::topLevelAt(QPoint)
- topLevelWidgetAt
  
  public static QWidget topLevelWidgetAt(int x, int y)
  
  See QApplication::topLevelAt(int,int)
- topLevelWidgets
  
  public static QList<QWidget> topLevelWidgets()
  
  See QApplication::topLevelWidgets()
- wheelScrollLines
  
  public static int wheelScrollLines()
  
  See QApplication::wheelScrollLines()
- widgetAt
  
  public static QWidget widgetAt(QPoint p)
  
  See QApplication::widgetAt(QPoint)
- widgetAt
  
  public static QWidget widgetAt(int x, int y)
  
  See QApplication::widgetAt(int,int)
- initialize
  
  public static QApplication initialize(String[] args)
- initialize
  
  public static QApplication initialize(String applicationName, String[] args)
- shutdown
  
  public static void shutdown()
- exec
  
  public static int exec()
- instance
  
  public static QApplication instance()

Class QApplication

Nested Class Summary

Nested classes/interfaces inherited from class io.qt.core.QObject

Nested classes/interfaces inherited from class io.qt.QtObject