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## com.trolltech.qt.gui
Class QTabWidget

    java.lang.Object
      com.trolltech.qt.internal.QSignalEmitterInternal
          com.trolltech.qt.QSignalEmitter
              com.trolltech.qt.QtJambiObject
                  com.trolltech.qt.core.QObject
                      com.trolltech.qt.gui.QWidget
                          com.trolltech.qt.gui.QTabWidget

All Implemented Interfaces:
  QPaintDeviceInterface, QtJambiInterface

    public class QTabWidget

extends QWidget

The QTabWidget class provides a stack of tabbed widgets. A tab widget provides a tab bar (see `QTabBar`) and a "page area" that is used to display pages related to each tab. By default, the tab bar is shown above the page area, but different configurations are available (see `TabPosition` ). Each tab is associated with a different widget (called a page). Only the current page is shown in the page area; all the other pages are hidden. The user can show a different page by clicking on its tab or by pressing its Alt+letter shortcut if it has one.

The normal way to use QTabWidget is to do the following:

1. Create a QTabWidget.
2. Create a `QWidget` for each of the pages in the tab dialog, but do not specify parent widgets for them.
3. Insert child widgets into the page widget, using layouts to position them as normal.
4. Call `addTab()` or `insertTab()` to put the page widgets into the tab widget, giving each tab a suitable label with an optional keyboard shortcut.

The position of the tabs is defined by `tabPosition`, their shape by `tabShape`.

The signal `currentChanged()` is emitted when the user selects a page.

The current page index is available as `currentIndex()`, the current page widget with `currentWidget()`. You can retrieve a pointer to a page widget with a given index using `widget()`, and can find the index position of a widget with `indexOf()`. Use `setCurrentWidget()` or `setCurrentIndex()` to show a particular page.

You can change a tab's text and icon using `setTabText()` or `setTabIcon()`. A tab and its associated page can be removed with `removeTab()`.

Each tab is either enabled or disabled at any given time (see `setTabEnabled()`). If a tab is enabled, the tab text is drawn normally and the user can select that tab. If it is disabled, the tab is drawn in a different way and the user cannot select that tab. Note that even if a tab is disabled, the page can still be visible, for example if all of the tabs happen to be disabled.

Tab widgets can be a very good way to split up a complex dialog. An alternative is to use a `QStackedWidget` for which you provide some means of navigating between pages, for example, a `QToolBar` or a `QListWidget`.

Most of the functionality in QTabWidget is provided by a `QTabBar` (at the top, providing the tabs) and a `QStackedWidget` (most of the area, organizing the individual pages).

A Windows XP style tab widget. | A Macintosh style tab widget. | A Plastique style tab widget.

See also:
  `QTabBar`, `QStackedWidget`, `QToolBox`, and Tab Dialog Example.

Nested Class Summary
`static class` | `QTabWidget.TabPosition` This enum type defines where `QTabWidget` draws the tab row:
`static class` | `QTabWidget.TabShape` This enum type defines the shape of the tabs.

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, QSignalEmitter.Signal2, QSignalEmitter.Signal3, QSignalEmitter.Signal4, QSignalEmitter.Signal5, QSignalEmitter.Signal6, QSignalEmitter.Signal7, QSignalEmitter.Signal8, QSignalEmitter.Signal9`

Nested classes/interfaces inherited from class com.trolltech.qt.internal.QSignalEmitterInternal
`com.trolltech.qt.internal.QSignalEmitterInternal.AbstractSignalInternal`

Field Summary
`QSignalEmitter.Signal1` | `currentChanged` This signal takes 1 generic argument(s).

Fields inherited from class com.trolltech.qt.gui.QWidget
`customContextMenuRequested`

Fields inherited from class com.trolltech.qt.internal.QSignalEmitterInternal
`currentSender`

Constructor Summary
`QTabWidget()` Constructs a tabbed widget with parent `parent`.
`QTabWidget(QWidget parent)` Constructs a tabbed widget with parent `parent`.

Method Summary
`int` | `addTab(QWidget widget, QIcon icon, java.lang.String label)` Adds a tab with the given `page`, `icon`, and `label` to the tab widget, and returns the index of the tab in the tab bar.
`int` | `addTab(QWidget widget, java.lang.String arg__2)` Adds a tab with the given `page` and `label` to the tab widget, and returns the index of the tab in the tab bar.
`void` | `clear()` Removes all the pages, but does not delete them.
`QWidget` | `cornerWidget()` Returns the widget shown in the `corner` of the tab widget or 0.
`QWidget` | `cornerWidget(Qt.Corner corner)` Returns the widget shown in the `corner` of the tab widget or 0.
`int` | `count()` This property holds the number of tabs in the tab bar.
`int` | `currentIndex()` This property holds the index position of the current tab page.
`QWidget` | `currentWidget()` Returns a pointer to the page currently being displayed by the tab dialog.
`Qt.TextElideMode` | `elideMode()` This property holds how to elide text in the tab bar.
`QSize` | `iconSize()` This property holds The size for icons in the tab bar.
`int` | `indexOf(QWidget widget)` Returns the index position of the page occupied by the widget `w`, or -1 if the widget cannot be found.
`protected void` | `initStyleOption(QStyleOptionTabWidgetFrame option)` Initialize `option` with the values from this QTabWidget.
`int` | `insertTab(int index, QWidget widget, QIcon icon, java.lang.String label)` Inserts a tab with the given `label`, `page`, and `icon` into the tab widget at the specified `index`, and returns the index of the inserted tab in the tab bar.
`int` | `insertTab(int index, QWidget widget, java.lang.String arg__3)` Inserts a tab with the given `label` and `page` into the tab widget at the specified `index`, and returns the index of the inserted tab in the tab bar.
`boolean` | `isTabEnabled(int index)` Returns true if the the page at position `index` is enabled; otherwise returns false.
`void` | `removeTab(int index)` Removes the tab at position `index` from this stack of widgets.
`void` | `setCornerWidget(QWidget w)` Sets the given `widget` to be shown in the specified `corner` of the tab widget.
`void` | `setCornerWidget(QWidget w, Qt.Corner corner)` Sets the given `widget` to be shown in the specified `corner` of the tab widget.
`void` | `setCurrentIndex(int index)` This property holds the index position of the current tab page.
`void` | `setCurrentWidget(QWidget widget)` Makes `widget` the current widget.
`void` | `setElideMode(Qt.TextElideMode arg__1)` This property holds how to elide text in the tab bar.
`void` | `setIconSize(QSize size)` This property holds The size for icons in the tab bar.
`protected void` | `setTabBar(QTabBar arg__1)` Replaces the dialog's `QTabBar` heading with the tab bar `tb`.
`void` | `setTabEnabled(int index, boolean arg__2)` If `enable` is true, the page at position `index` is enabled; otherwise the page at position `index` is disabled.
`void` | `setTabIcon(int index, QIcon icon)` Sets the `icon` for the tab at position `index`.
`void` | `setTabPosition(QTabWidget.TabPosition arg__1)` This property holds the position of the tabs in this tab widget.
`void` | `setTabShape(QTabWidget.TabShape s)` This property holds the shape of the tabs in this tab widget.
`void` | `setTabText(int index, java.lang.String arg__2)` Defines a new `label` for the page at position `index`'s tab.
`void` | `setTabToolTip(int index, java.lang.String tip)` Sets the tab tool tip for the page at position `index` to `tip`.
`void` | `setTabWhatsThis(int index, java.lang.String text)` Sets the What's This help text for the page at position `index` to `text`.
`void` | `setUsesScrollButtons(boolean useButtons)` This property holds Whether or not a tab bar should use buttons to scroll tabs when it has many tabs.
`protected QTabBar` | `tabBar()` Returns the current `QTabBar`.
`QIcon` | `tabIcon(int index)` Returns the icon for the tab on the page at position `index`.
`protected void` | `tabInserted(int index)` This virtual handler is called after a new tab was added or inserted at position `index`.
`QTabWidget.TabPosition` | `tabPosition()` This property holds the position of the tabs in this tab widget.
`protected void` | `tabRemoved(int index)` This virtual handler is called after a tab was removed from position `index`.
`QTabWidget.TabShape` | `tabShape()` This property holds the shape of the tabs in this tab widget.
`java.lang.String` | `tabText(int index)` Returns the label text for the tab on the page at position `index`.
`java.lang.String` | `tabToolTip(int index)` Returns the tab tool tip for the page at position `index` or an empty string if no tool tip has been set.
`java.lang.String` | `tabWhatsThis(int index)` Returns the What's This help text for the page at position `index`, or an empty string if no help text has been set.
`boolean` | `usesScrollButtons()` This property holds Whether or not a tab bar should use buttons to scroll tabs when it has many tabs.
`QWidget` | `widget(int index)` Returns the tab page at index position `index` or 0 if the `index` is out of range.

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, cursor, depth, destroy, destroy, destroy, dragEnterEvent, dragLeaveEvent, dragMoveEvent, dropEvent, effectiveWinId, 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, hideEvent, inputContext, inputMethodEvent, inputMethodQuery, insertAction, insertActions, isActiveWindow, isAncestorOf, isEnabled, isEnabledTo, isFullScreen, isHidden, isMaximized, isMinimized, isModal, isVisible, isVisibleTo, isWindow, isWindowModified, keyboardGrabber, keyPressEvent, keyReleaseEvent, languageChange, layout, layoutDirection, leaveEvent, locale, logicalDpiX, logicalDpiY, lower, mapFrom, mapFromGlobal, mapFromParent, mapTo, mapToGlobal, mapToParent, mask, maximumHeight, maximumSize, maximumWidth, metric, minimumHeight, minimumSize, minimumSizeHint, minimumWidth, mouseDoubleClickEvent, mouseGrabber, mouseMoveEvent, mousePressEvent, mouseReleaseEvent, move, move, moveEvent, nativeParentWidget, nextInFocusChain, normalGeometry, numColors, overrideWindowFlags, overrideWindowFlags, overrideWindowState, paintEngine, paintEvent, paintingActive, palette, parentWidget, physicalDpiX, physicalDpiY, pos, raise, rect, releaseKeyboard, releaseMouse, releaseShortcut, removeAction, render, render, render, render, 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, setVisible, setWhatsThis, setWindowFilePath, setWindowFlags, setWindowFlags, setWindowIcon, setWindowIconText, setWindowModality, setWindowModified, setWindowOpacity, setWindowRole, setWindowState, setWindowState, setWindowTitle, show, showEvent, showFullScreen, showMaximized, showMinimized, showNormal, size, sizeHint, 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, windowFilePath, windowFlags, windowIcon, windowIconText, windowModality, windowOpacity, windowRole, windowState, windowTitle, windowType, winId, x, y`

Methods inherited from class com.trolltech.qt.core.QObject
`childEvent, children, connectSlotsByName, customEvent, disposeLater, dumpObjectInfo, dumpObjectTree, dynamicPropertyNames, event, eventFilter, findChild, findChild, findChild, findChildren, findChildren, findChildren, findChildren, indexOfProperty, installEventFilter, isWidgetType, killTimer, moveToThread, objectName, parent, properties, property, removeEventFilter, setObjectName, setParent, setProperty, startTimer, timerEvent, toString, userProperty`

Methods inherited from class com.trolltech.qt.QtJambiObject
`dispose, disposed, equals, finalize, reassignNativeResources, tr, tr, tr`

Methods inherited from class com.trolltech.qt.QSignalEmitter
`blockSignals, disconnect, disconnect, signalsBlocked, signalSender, thread`

Methods inherited from class com.trolltech.qt.internal.QSignalEmitterInternal
`__qt_signalInitialization`

Methods inherited from class java.lang.Object
`clone, getClass, hashCode, notify, notifyAll, wait, wait, wait`

Methods inherited from interface com.trolltech.qt.QtJambiInterface
`disableGarbageCollection, nativeId, nativePointer, reenableGarbageCollection, setJavaOwnership`

Field Detail

### currentChanged

    public final QSignalEmitter.Signal1 currentChanged

  This signal takes 1 generic argument(s). We list their type and the name they go by in the description of this signal. <java.lang.Integer(named: index)>:

  This signal is emitted whenever the current page index changes. The parameter is the new current page `index` position, or -1 if there isn't a new one (for example, if there are no widgets in the QTabWidget)

See also:
  `currentWidget()`, and `currentIndex`.

Constructor Detail

### QTabWidget

    public QTabWidget()

  Constructs a tabbed widget with parent `parent`.

### QTabWidget

    public QTabWidget(QWidget parent)

  Constructs a tabbed widget with parent `parent`.

Method Detail

### addTab

    public final int addTab(QWidget widget,
                            QIcon icon,
                            java.lang.String label)

  Adds a tab with the given `page`, `icon`, and `label` to the tab widget, and returns the index of the tab in the tab bar.

  This function is the same as `addTab()`, but with an additional `icon`.

### addTab

    public final int addTab(QWidget widget,
                            java.lang.String arg__2)

  Adds a tab with the given `page` and `label` to the tab widget, and returns the index of the tab in the tab bar.

  If the tab's `label` contains an ampersand, the letter following the ampersand is used as a shortcut for the tab, e.g. if the label is "Bro&wse" then Alt+W becomes a shortcut which will move the focus to this tab.

  Note: If you call `addTab()` after `show()`, the layout system will try to adjust to the changes in its widgets hierarchy and may cause flicker. To prevent this, you can set the `QWidget::updatesEnabled` property to false prior to changes; remember to set the property to true when the changes are done, making the widget receive paint events again.

See also:
  `insertTab()`.

### clear

    public final void clear()

  Removes all the pages, but does not delete them. Calling this function is equivalent to calling `removeTab()` until the tab widget is empty.

### cornerWidget

    public final QWidget cornerWidget()

  Returns the widget shown in the `corner` of the tab widget or 0.

See also:
  `setCornerWidget()`.

### cornerWidget

    public final QWidget cornerWidget(Qt.Corner corner)

  Returns the widget shown in the `corner` of the tab widget or 0.

See also:
  `setCornerWidget()`.

### count

    public final int count()

  This property holds the number of tabs in the tab bar. By default, this property contains a value of 0.

### currentIndex

    public final int currentIndex()

  This property holds the index position of the current tab page. The current index is -1 if there is no current widget.

  By default, this property contains a value of -1 because there are initially no tabs in the widget.

### currentWidget

    public final QWidget currentWidget()

  Returns a pointer to the page currently being displayed by the tab dialog. The tab dialog does its best to make sure that this value is never 0 (but if you try hard enough, it can be).

See also:
  `currentIndex()`, and `setCurrentWidget()`.

### elideMode

    public final Qt.TextElideMode elideMode()

  This property holds how to elide text in the tab bar. This property controls how items are elided when there is not enough space to show them for a given tab bar size.

  By default the value is style dependant.

See also:
  `QTabBar::elideMode`, `usesScrollButtons`, and `QStyle::SH_TabBar_ElideMode` .

### iconSize

    public final QSize iconSize()

  This property holds The size for icons in the tab bar. The default value is style-dependent. This is the maximum size that the icons will have. Icons are not scaled up if they are of smaller size.

See also:
  `QTabBar::iconSize`.

### indexOf

    public final int indexOf(QWidget widget)

  Returns the index position of the page occupied by the widget `w`, or -1 if the widget cannot be found.

### insertTab

    public final int insertTab(int index,
                               QWidget widget,
                               QIcon icon,
                               java.lang.String label)

  Inserts a tab with the given `label`, `page`, and `icon` into the tab widget at the specified `index`, and returns the index of the inserted tab in the tab bar.

  This function is the same as `insertTab()`, but with an additional `icon`.

### insertTab

    public final int insertTab(int index,
                               QWidget widget,
                               java.lang.String arg__3)

  Inserts a tab with the given `label` and `page` into the tab widget at the specified `index`, and returns the index of the inserted tab in the tab bar.

  The label is displayed in the tab and may vary in appearance depending on the configuration of the tab widget.

  If the tab's `label` contains an ampersand, the letter following the ampersand is used as a shortcut for the tab, e.g. if the label is "Bro&wse" then Alt+W becomes a shortcut which will move the focus to this tab.

  If `index` is out of range, the tab is simply appended. Otherwise it is inserted at the specified position.

  If the QTabWidget was empty before this function is called, the new page becomes the current page. Inserting a new tab at an index less than or equal to the current index will increment the current index, but keep the current page.

  Note: If you call `insertTab()` after `show()`, the layout system will try to adjust to the changes in its widgets hierarchy and may cause flicker. To prevent this, you can set the `QWidget::updatesEnabled` property to false prior to changes; remember to set the property to true when the changes are done, making the widget receive paint events again.

See also:
  `addTab()`.

### isTabEnabled

    public final boolean isTabEnabled(int index)

  Returns true if the the page at position `index` is enabled; otherwise returns false.

See also:
  `setTabEnabled()`, and `QWidget::isEnabled()`.

### removeTab

    public final void removeTab(int index)

  Removes the tab at position `index` from this stack of widgets. The page widget itself is not deleted.

See also:
  `addTab()`, and `insertTab()`.

### setCornerWidget

    public final void setCornerWidget(QWidget w)

  Sets the given `widget` to be shown in the specified `corner` of the tab widget. The geometry of the widget is determined based on the widget's sizeHint() and the `style()`.

  Only the horizontal element of the `corner` will be used.

  Passing 0 shows no widget in the corner.

  Any previously set corner widget is hidden.

  All widgets set here will be deleted by the tab widget when it is destroyed unless you separately reparent the widget after setting some other corner widget (or 0).

  Note: Corner widgets are designed for `North` and `South` tab positions; other orientations are known to not work properly.

See also:
  `cornerWidget()`, and `setTabPosition()`.

### setCornerWidget

    public final void setCornerWidget(QWidget w,
                                      Qt.Corner corner)

  Sets the given `widget` to be shown in the specified `corner` of the tab widget. The geometry of the widget is determined based on the widget's sizeHint() and the `style()`.

  Only the horizontal element of the `corner` will be used.

  Passing 0 shows no widget in the corner.

  Any previously set corner widget is hidden.

  All widgets set here will be deleted by the tab widget when it is destroyed unless you separately reparent the widget after setting some other corner widget (or 0).

  Note: Corner widgets are designed for `North` and `South` tab positions; other orientations are known to not work properly.

See also:
  `cornerWidget()`, and `setTabPosition()`.

### setCurrentIndex

    public final void setCurrentIndex(int index)

  This property holds the index position of the current tab page. The current index is -1 if there is no current widget.

  By default, this property contains a value of -1 because there are initially no tabs in the widget.

### setCurrentWidget

    public final void setCurrentWidget(QWidget widget)

  Makes `widget` the current widget. The `widget` used must be a page in this tab widget.

See also:
  `addTab()`, `setCurrentIndex()`, and `currentWidget()`.

### setElideMode

    public final void setElideMode(Qt.TextElideMode arg__1)

  This property holds how to elide text in the tab bar. This property controls how items are elided when there is not enough space to show them for a given tab bar size.

  By default the value is style dependant.

See also:
  `QTabBar::elideMode`, `usesScrollButtons`, and `QStyle::SH_TabBar_ElideMode` .

### setIconSize

    public final void setIconSize(QSize size)

  This property holds The size for icons in the tab bar. The default value is style-dependent. This is the maximum size that the icons will have. Icons are not scaled up if they are of smaller size.

See also:
  `QTabBar::iconSize`.

### setTabBar

    protected final void setTabBar(QTabBar arg__1)

  Replaces the dialog's `QTabBar` heading with the tab bar `tb`. Note that this must be called before any tabs have been added, or the behavior is undefined.

See also:
  `tabBar()`.

### setTabEnabled

    public final void setTabEnabled(int index,
                                    boolean arg__2)

  If `enable` is true, the page at position `index` is enabled; otherwise the page at position `index` is disabled. The page's tab is redrawn appropriately.

  QTabWidget uses `QWidget::setEnabled()` internally, rather than keeping a separate flag.

  Note that even a disabled tab/page may be visible. If the page is visible already, QTabWidget will not hide it; if all the pages are disabled, QTabWidget will show one of them.

See also:
  `isTabEnabled()`, and `QWidget::setEnabled()`.

### setTabIcon

    public final void setTabIcon(int index,
                                 QIcon icon)

  Sets the `icon` for the tab at position `index`.

See also:
  `tabIcon()`.

### setTabPosition

    public final void setTabPosition(QTabWidget.TabPosition arg__1)

  This property holds the position of the tabs in this tab widget. Possible values for this property are described by the `TabPosition` enum.

  By default, this property is set to `North` .

See also:
  `TabPosition` .

### setTabShape

    public final void setTabShape(QTabWidget.TabShape s)

  This property holds the shape of the tabs in this tab widget. Possible values for this property are `QTabWidget::Rounded` (default) or `QTabWidget::Triangular` .

See also:
  `TabShape` .

### setTabText

    public final void setTabText(int index,
                                 java.lang.String arg__2)

  Defines a new `label` for the page at position `index`'s tab.

  If the provided text contains an ampersand character ('&'), a shortcut is automatically created for it. The character that follows the '&' will be used as the shortcut key. Any previous shortcut will be overwritten, or cleared if no shortcut is defined by the text. See the `QShortcut` documentation for details (to display an actual ampersand, use '&&').

See also:
  `tabText()`.

### setTabToolTip

    public final void setTabToolTip(int index,
                                    java.lang.String tip)

  Sets the tab tool tip for the page at position `index` to `tip`.

See also:
  `tabToolTip()`.

### setTabWhatsThis

    public final void setTabWhatsThis(int index,
                                      java.lang.String text)

  Sets the What's This help text for the page at position `index` to `text`.

See also:
  `tabWhatsThis()`.

### setUsesScrollButtons

    public final void setUsesScrollButtons(boolean useButtons)

  This property holds Whether or not a tab bar should use buttons to scroll tabs when it has many tabs. When there are too many tabs in a tab bar for its size, the tab bar can either choose to expand its size or to add buttons that allow you to scroll through the tabs.

  By default the value is style dependant.

See also:
  `elideMode`, `QTabBar::usesScrollButtons`, and `QStyle::SH_TabBar_PreferNoArrows` .

### tabBar

    protected final QTabBar tabBar()

  Returns the current `QTabBar`.

See also:
  `setTabBar()`.

### tabIcon

    public final QIcon tabIcon(int index)

  Returns the icon for the tab on the page at position `index`.

See also:
  `setTabIcon()`.

### tabPosition

    public final QTabWidget.TabPosition tabPosition()

  This property holds the position of the tabs in this tab widget. Possible values for this property are described by the `TabPosition` enum.

  By default, this property is set to `North` .

See also:
  `TabPosition` .

### tabShape

    public final QTabWidget.TabShape tabShape()

  This property holds the shape of the tabs in this tab widget. Possible values for this property are `QTabWidget::Rounded` (default) or `QTabWidget::Triangular` .

See also:
  `TabShape` .

### tabText

    public final java.lang.String tabText(int index)

  Returns the label text for the tab on the page at position `index`.

See also:
  `setTabText()`.

### tabToolTip

    public final java.lang.String tabToolTip(int index)

  Returns the tab tool tip for the page at position `index` or an empty string if no tool tip has been set.

See also:
  `setTabToolTip()`.

### tabWhatsThis

    public final java.lang.String tabWhatsThis(int index)

  Returns the What's This help text for the page at position `index`, or an empty string if no help text has been set.

See also:
  `setTabWhatsThis()`.

### usesScrollButtons

    public final boolean usesScrollButtons()

  This property holds Whether or not a tab bar should use buttons to scroll tabs when it has many tabs. When there are too many tabs in a tab bar for its size, the tab bar can either choose to expand its size or to add buttons that allow you to scroll through the tabs.

  By default the value is style dependant.

See also:
  `elideMode`, `QTabBar::usesScrollButtons`, and `QStyle::SH_TabBar_PreferNoArrows` .

### widget

    public final QWidget widget(int index)

  Returns the tab page at index position `index` or 0 if the `index` is out of range.

### tabInserted

    protected void tabInserted(int index)

  This virtual handler is called after a new tab was added or inserted at position `index`.

See also:
  `tabRemoved()`.

### tabRemoved

    protected void tabRemoved(int index)

  This virtual handler is called after a tab was removed from position `index`.

See also:
  `tabInserted()`.

### initStyleOption

    protected final void initStyleOption(QStyleOptionTabWidgetFrame option)

  Initialize `option` with the values from this QTabWidget. This method is useful for subclasses when they need a QStyleOptionSlider, but don't want to fill in all the information themselves.

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