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com.trolltech.qt.gui
Class QSizeGrip

java.lang.Object
  extended by com.trolltech.qt.QSignalEmitter
      extended by com.trolltech.qt.QtJambiObject
          extended by com.trolltech.qt.core.QObject
              extended by com.trolltech.qt.gui.QWidget
                  extended by com.trolltech.qt.gui.QSizeGrip
All Implemented Interfaces:
QPaintDeviceInterface, QtJambiInterface

public class QSizeGrip
extends QWidget

The QSizeGrip class provides a resize handle for resizing top-level windows.

This widget works like the standard Windows resize handle. In the X11 version this resize handle generally works differently from the one provided by the system if the X11 window manager does not support necessary modern post-ICCCM specifications.

Put this widget anywhere in a widget tree and the user can use it to resize the top-level window or any widget with the Qt::SubWindow flag set. Generally, this should be in the lower right-hand corner. Note that QStatusBar already uses this widget, so if you have a status bar (e.g., you are using QMainWindow), then you don't need to use this widget explicitly.

On some platforms the size grip automatically hides itself when the window is shown full screen or maximised.

Screenshot of a Plastique style size gripA size grip widget at the bottom-right corner of a main window, shown in the Plastique widget style.

The QSizeGrip class inherits QWidget and reimplements the mousePressEvent() and mouseMoveEvent() functions to feature the resize functionality, and the paintEvent() function to render the size grip widget.

See Also:
QStatusBar, QWidget::windowState

Nested Class Summary
 
Nested classes/interfaces inherited from class com.trolltech.qt.gui.QWidget
QWidget.RenderFlag, QWidget.RenderFlags
 
Nested classes/interfaces inherited from class com.trolltech.qt.QSignalEmitter
QSignalEmitter.AbstractSignal, QSignalEmitter.Signal0, QSignalEmitter.Signal1<A>, QSignalEmitter.Signal2<A,B>, QSignalEmitter.Signal3<A,B,C>, QSignalEmitter.Signal4<A,B,C,D>, QSignalEmitter.Signal5<A,B,C,D,E>, QSignalEmitter.Signal6<A,B,C,D,E,F>, QSignalEmitter.Signal7<A,B,C,D,E,F,G>, QSignalEmitter.Signal8<A,B,C,D,E,F,G,H>, QSignalEmitter.Signal9<A,B,C,D,E,F,G,H,I>
 
Field Summary
 
Fields inherited from class com.trolltech.qt.gui.QWidget
customContextMenuRequested
 
Constructor Summary
QSizeGrip(QWidget parent)
          Constructs a resize corner as a child widget of the given parent.
 
Method Summary
 boolean event(QEvent arg__1)
          This function is reimplemented for internal reasons.
 boolean eventFilter(QObject arg__1, QEvent arg__2)
          This function is reimplemented for internal reasons.
static QSizeGrip fromNativePointer(QNativePointer nativePointer)
          This function returns the QSizeGrip instance pointed to by nativePointer
protected  void hideEvent(QHideEvent hideEvent)
          This function is reimplemented for internal reasons.
protected  void mouseMoveEvent(QMouseEvent arg__1)
          Resizes the top-level widget containing this widget.
protected  void mousePressEvent(QMouseEvent arg__1)
          Receives the mouse press events for the widget, and primes the resize operation.
protected  void mouseReleaseEvent(QMouseEvent mouseEvent)
          This function is reimplemented for internal reasons.
protected  void moveEvent(QMoveEvent moveEvent)
          This function is reimplemented for internal reasons.
protected  void paintEvent(QPaintEvent arg__1)
          Paints the resize grip.
 void setVisible(boolean arg__1)
          This function is reimplemented for internal reasons.
protected  void showEvent(QShowEvent showEvent)
          This function is reimplemented for internal reasons.
 QSize sizeHint()
          This function is reimplemented for internal reasons.
 
Methods inherited from class com.trolltech.qt.gui.QWidget
acceptDrops, accessibleDescription, accessibleName, actionEvent, actions, activateWindow, addAction, addActions, adjustSize, autoFillBackground, backgroundRole, baseSize, changeEvent, childAt, childAt, childrenRect, childrenRegion, clearFocus, clearMask, close, closeEvent, contentsRect, contextMenuEvent, contextMenuPolicy, createWinId, cursor, depth, destroy, destroy, destroy, devType, dragEnterEvent, dragLeaveEvent, dragMoveEvent, dropEvent, ensurePolished, enterEvent, focusInEvent, focusNextChild, focusNextPrevChild, focusOutEvent, focusPolicy, focusPreviousChild, focusProxy, focusWidget, font, fontInfo, fontMetrics, foregroundRole, frameGeometry, frameSize, geometry, getContentsMargins, grabKeyboard, grabMouse, grabMouse, grabShortcut, grabShortcut, hasFocus, hasMouseTracking, height, heightForWidth, heightMM, hide, inputContext, inputMethodEvent, inputMethodQuery, insertAction, insertActions, isActiveWindow, isAncestorOf, isEnabled, isEnabledTo, isFullScreen, isHidden, isLeftToRight, isMaximized, isMinimized, isModal, isRightToLeft, isVisible, isVisibleTo, isWindow, isWindowModified, keyboardGrabber, keyPressEvent, keyReleaseEvent, layout, layoutDirection, leaveEvent, locale, logicalDpiX, logicalDpiY, lower, mapFrom, mapFromGlobal, mapFromParent, mapTo, mapToGlobal, mapToParent, mask, maximumHeight, maximumSize, maximumWidth, metric, minimumHeight, minimumSize, minimumSizeHint, minimumWidth, mouseDoubleClickEvent, mouseGrabber, move, move, nextInFocusChain, normalGeometry, numColors, overrideWindowFlags, overrideWindowFlags, overrideWindowState, overrideWindowState, paintEngine, paintingActive, palette, parentWidget, physicalDpiX, physicalDpiY, pos, raise, rect, releaseKeyboard, releaseMouse, releaseShortcut, removeAction, render, render, render, render, render, repaint, repaint, repaint, repaint, resetInputContext, resize, resize, resizeEvent, restoreGeometry, saveGeometry, scroll, scroll, setAcceptDrops, setAccessibleDescription, setAccessibleName, setAttribute, setAttribute, setAutoFillBackground, setBackgroundRole, setBaseSize, setBaseSize, setContentsMargins, setContentsMargins, setContextMenuPolicy, setCursor, setDisabled, setEnabled, setFixedHeight, setFixedSize, setFixedSize, setFixedWidth, setFocus, setFocus, setFocusPolicy, setFocusProxy, setFont, setForegroundRole, setGeometry, setGeometry, setHidden, setInputContext, setLayout, setLayoutDirection, setLocale, setMask, setMask, setMaximumHeight, setMaximumSize, setMaximumSize, setMaximumWidth, setMinimumHeight, setMinimumSize, setMinimumSize, setMinimumWidth, setMouseTracking, setPalette, setParent, setParent, setParent, setShortcutAutoRepeat, setShortcutAutoRepeat, setShortcutEnabled, setShortcutEnabled, setSizeIncrement, setSizeIncrement, setSizePolicy, setSizePolicy, setStatusTip, setStyle, setStyleSheet, setTabOrder, setToolTip, setUpdatesEnabled, setWhatsThis, setWindowFlags, setWindowFlags, setWindowIcon, setWindowIconText, setWindowModality, setWindowModified, setWindowOpacity, setWindowRole, setWindowState, setWindowState, setWindowTitle, show, showFullScreen, showMaximized, showMinimized, showNormal, size, sizeIncrement, sizePolicy, stackUnder, statusTip, style, styleSheet, tabletEvent, testAttribute, toolTip, underMouse, unsetCursor, unsetLayoutDirection, unsetLocale, update, update, update, update, updateGeometry, updateMicroFocus, updatesEnabled, visibleRegion, whatsThis, wheelEvent, width, widthMM, window, windowFlags, windowIcon, windowIconText, windowModality, windowOpacity, windowRole, windowState, windowTitle, windowType, winId, x, y
 
Methods inherited from class com.trolltech.qt.core.QObject
blockSignals, childEvent, children, connectSlotsByName, customEvent, disposeLater, dumpObjectInfo, dumpObjectTree, dynamicPropertyNames, findChild, findChild, findChild, findChildren, findChildren, findChildren, findChildren, installEventFilter, isWidgetType, killTimer, moveToThread, objectName, parent, property, removeEventFilter, setObjectName, setParent, setProperty, signalsBlocked, startTimer, thread, timerEvent
 
Methods inherited from class com.trolltech.qt.QtJambiObject
dispose, disposed, finalize, reassignNativeResources, tr, tr, tr
 
Methods inherited from class com.trolltech.qt.QSignalEmitter
disconnect, disconnect, signalSender
 
Methods inherited from class java.lang.Object
clone, equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
 
Methods inherited from interface com.trolltech.qt.QtJambiInterface
disableGarbageCollection, nativeId, nativePointer, reenableGarbageCollection, setJavaOwnership
 

Constructor Detail

QSizeGrip

public QSizeGrip(QWidget parent)

Constructs a resize corner as a child widget of the given parent.

Method Detail

event

public boolean event(QEvent arg__1)

This function is reimplemented for internal reasons.

Overrides:
event in class QWidget
See Also:
closeEvent, focusInEvent, focusOutEvent, enterEvent, keyPressEvent, keyReleaseEvent, leaveEvent, mouseDoubleClickEvent, mouseMoveEvent, mousePressEvent, mouseReleaseEvent, moveEvent, paintEvent, resizeEvent, QObject::event, QObject::timerEvent

eventFilter

public boolean eventFilter(QObject arg__1,
                           QEvent arg__2)

This function is reimplemented for internal reasons.

Overrides:
eventFilter in class QObject
See Also:
installEventFilter

hideEvent

protected void hideEvent(QHideEvent hideEvent)

This function is reimplemented for internal reasons.

Overrides:
hideEvent in class QWidget
See Also:
visible, event, QHideEvent

mouseMoveEvent

protected void mouseMoveEvent(QMouseEvent arg__1)

Resizes the top-level widget containing this widget. The mouse move event is passed in the arg__1 parameter.

Overrides:
mouseMoveEvent in class QWidget
See Also:
setMouseTracking, mousePressEvent, mouseReleaseEvent, mouseDoubleClickEvent, event, QMouseEvent, Example

mousePressEvent

protected void mousePressEvent(QMouseEvent arg__1)

Receives the mouse press events for the widget, and primes the resize operation. The mouse press event is passed in the arg__1 parameter.

Overrides:
mousePressEvent in class QWidget
See Also:
mouseReleaseEvent, mouseDoubleClickEvent, mouseMoveEvent, event, QMouseEvent, Example

mouseReleaseEvent

protected void mouseReleaseEvent(QMouseEvent mouseEvent)

This function is reimplemented for internal reasons.

Overrides:
mouseReleaseEvent in class QWidget
See Also:
mousePressEvent, mouseDoubleClickEvent, mouseMoveEvent, event, QMouseEvent, Example

moveEvent

protected void moveEvent(QMoveEvent moveEvent)

This function is reimplemented for internal reasons.

Overrides:
moveEvent in class QWidget
See Also:
resizeEvent, event, move, QMoveEvent

paintEvent

protected void paintEvent(QPaintEvent arg__1)

Paints the resize grip.

Resize grips are usually rendered as small diagonal textured lines in the lower-right corner. The paint event is passed in the arg__1 parameter.

Overrides:
paintEvent in class QWidget
See Also:
event, repaint, update, QPainter, QPixmap, QPaintEvent, Analog Clock Example

setVisible

public void setVisible(boolean arg__1)

This function is reimplemented for internal reasons.

Overrides:
setVisible in class QWidget
See Also:
show, hide, isHidden, isVisibleTo, isMinimized, showEvent, hideEvent

showEvent

protected void showEvent(QShowEvent showEvent)

This function is reimplemented for internal reasons.

Overrides:
showEvent in class QWidget
See Also:
visible, event, QShowEvent

sizeHint

public QSize sizeHint()

This function is reimplemented for internal reasons.

Overrides:
sizeHint in class QWidget
See Also:
QSize::isValid, minimumSizeHint, sizePolicy, setMinimumSize, updateGeometry

fromNativePointer

public static QSizeGrip fromNativePointer(QNativePointer nativePointer)
This function returns the QSizeGrip instance pointed to by nativePointer

Parameters:
nativePointer - the QNativePointer of which object should be returned.

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