Top Description Fields Constructors Methods
org.eclipse.swt.widgets

public Class TaskBar

extends Widget
Class Inheritance
Imports
org.eclipse.swt.*
Instances of this class represent the system task bar.
Styles:
(none)
Events:
(none)
Since
3.6
See Also
Display#getSystemTaskBar, Sample code and further information

Field Summary

Modifier and TypeField and Description
pack-priv int
itemCount

pack-priv TaskItem[]
items

Inherited from org.eclipse.swt.widgets.Widget:
ACTIVATEACTIVATE_INVERSEAUTO_TEXT_DIRECTIONBACKGROUNDBACKSPACEBACKSPACE_INVERSEBUTTON_PRESS_EVENTBUTTON_PRESS_EVENT_INVERSEBUTTON_RELEASE_EVENTBUTTON_RELEASE_EVENT_INVERSECANVASCHANGE_VALUECHANGEDCHECK_SUBWINDOWCLICKEDCLOSE_REQUESTCOMMITCOMPUTE_SIZECONFIGURE_EVENTCOPY_CLIPBOARDCOPY_CLIPBOARD_INVERSECREATE_MENU_PROXYCUT_CLIPBOARDCUT_CLIPBOARD_INVERSEdataDAY_SELECTEDDAY_SELECTED_DOUBLE_CLICKDECELERATEDEFAULT_HEIGHTDEFAULT_WIDTHDELETE_EVENTDELETE_FROM_CURSORDELETE_FROM_CURSOR_INVERSEDELETE_RANGEDELETE_TEXTDIRECTION_CHANGEDDISABLEDdisplayDISPOSE_SENTDISPOSEDDPI_CHANGEDDRAG_DETECTDRAWENTERENTER_NOTIFY_EVENTEVENTEVENT_AFTEReventTableEXPAND_COLLAPSE_CURSOR_ROWEXPOSE_EVENTEXPOSE_EVENT_INVERSEFOCUSFOCUS_INFOCUS_IN_EVENTFOCUS_OUTFOCUS_OUT_EVENTFONTFOREGROUNDFOREIGN_HANDLEgdkSeatGrabPrepareFuncGESTURE_PRESSEDGESTURE_RELEASEDGRAB_FOCUShandleHANDLEHAS_AUTO_DIRECTIONHIDDENHIDEICON_RELEASEIM_UPDATEINPUTINSERT_TEXTIS_ACTIVEKEY_CHECK_SUBWINDOWKEY_GTK_CSSKEY_PRESS_EVENTKEY_PRESSEDKEY_RELEASE_EVENTKEY_RELEASEDKEYED_DATALAST_SIGNALLAYOUT_CHANGEDLAYOUT_CHILDLAYOUT_NEEDEDLEAVELEAVE_NOTIFY_EVENTMAPMAP_EVENTMENUMNEMONIC_ACTIVATEMONTH_CHANGEDMOTIONMOTION_INVERSEMOTION_NOTIFY_EVENTMOTION_NOTIFY_EVENT_INVERSEMOVE_CURSORMOVE_CURSOR_INVERSEMOVE_FOCUSMOVEDNOTIFY_DEFAULT_HEIGHTNOTIFY_DEFAULT_WIDTHNOTIFY_MAXIMIZEDNOTIFY_STATEOBSCUREDOUTPUTPARENT_BACKGROUNDPASTE_CLIPBOARDPASTE_CLIPBOARD_INVERSEPOPPED_UPPOPULATE_POPUPPOPUP_MENUPREEDIT_CHANGEDREALIZERELEASEDRESIZEDROW_ACTIVATEDROW_DELETEDROW_HAS_CHILD_TOGGLEDROW_INSERTEDSCROLLSCROLL_BEGINSCROLL_CHILDSCROLL_ENDSCROLL_EVENTSELECTSELECTION_DONESHOWSHOW_HELPSIZE_ALLOCATESIZE_ALLOCATE_GTK4SKIN_NEEDEDSTART_INTERACTIVE_SEARCHstateSTATUS_ICON_POPUP_MENUstyleSTYLE_UPDATEDSWITCH_PAGETEST_COLLAPSE_ROWTEST_EXPAND_ROWTEXT_BUFFER_INSERT_TEXTTHEME_BACKGROUNDTOGGLEDUNMAPUNMAP_EVENTUNREALIZEVALUE_CHANGEDWINDOW_STATE_EVENTZERO_HEIGHTZERO_WIDTH

Constructor Summary

AccessConstructor and Description
pack-priv
TaskBar(Display display, int style)

Method Summary

Modifier and TypeMethod and Description
pack-priv void
createItem(TaskItem item, int index)

pack-priv void
createItems()

pack-priv void
destroyItem(TaskItem item)

public TaskItem

Returns:

the item at the given index
getItem(int
the index of the item to return
index)

Returns the item at the given, zero-relative index in the receiver.

public TaskItem

Returns:

the task item for the given shell or the application
getItem(Shell
the shell for which the task item is requested, or null to request the application item
shell)

Returns the TaskItem for the given Shell or the TaskItem for the application if the Shell parameter is null.

public int

Returns:

the number of items
getItemCount()

Returns the number of items contained in the receiver.

public TaskItem[]

Returns:

the items in the receiver
getItems()

Returns an array of TaskItems which are the items in the receiver.

pack-priv void
releaseChildren(boolean destroy)

Overrides org.eclipse.swt.widgets.Widget.releaseChildren.

pack-priv void
reskinChildren(int flags)

Overrides org.eclipse.swt.widgets.Widget.reskinChildren.

Inherited from org.eclipse.swt.widgets.Widget:
_addListeneraddDisposeListeneraddListenercellDataProccheckBitscheckOpencheckOrientationcheckParentcheckSubclasscheckWidgetconvertPangoFontDescriptionToCsscreateHandlecreateWidgetcssHandlederegisterdestroyWidgetdisposedpiChangedenterMotionProcerrorfilterProcfiltersfixMnemonicfixMnemonicfixMnemonicfocusProcfontHeightgdk_event_freegdk_event_get_stategdk_event_get_surface_or_windowgdk_pointer_grabgdk_pointer_ungrabgdk_surface_get_sizegdk_window_get_sizeGdkSeatGrabPrepareFuncgesturePressReleaseProcgetDatagetDatagetDisplaygetListenersgetNamegetNameTextgetStylegtk3_show_helpgtk4_drawgtk4_enter_eventgtk4_focus_enter_eventgtk4_focus_leave_eventgtk4_focus_window_eventgtk4_key_press_eventgtk4_key_release_eventgtk4_leave_eventgtk4_motion_eventgtk4_scroll_eventgtk_activategtk_adjustment_getgtk_box_newgtk_box_pack_endgtk_box_set_child_packinggtk_button_press_eventgtk_button_release_eventgtk_cell_renderer_get_preferred_sizegtk_change_valuegtk_changedgtk_clickedgtk_close_requestgtk_commitgtk_configure_eventgtk_container_get_border_width_or_margingtk_container_set_border_widthgtk_create_menu_proxygtk_day_selectedgtk_day_selected_double_clickgtk_delete_eventgtk_delete_rangegtk_delete_textgtk_drawgtk_enter_notify_eventgtk_event_aftergtk_expand_collapse_cursor_rowgtk_focusgtk_focus_in_eventgtk_focus_out_eventgtk_gesture_press_eventgtk_gesture_release_eventgtk_grab_focusgtk_hidegtk_icon_releasegtk_inputgtk_insert_textgtk_key_press_eventgtk_key_release_eventgtk_leave_notify_eventgtk_mapgtk_map_eventgtk_menu_popped_upgtk_mnemonic_activategtk_month_changedgtk_motion_notify_eventgtk_move_focusgtk_outputgtk_populate_popupgtk_popup_menugtk_preedit_changedgtk_realizegtk_row_activatedgtk_row_has_child_toggledgtk_scroll_childgtk_scroll_eventgtk_selectgtk_selection_donegtk_showgtk_size_allocategtk_start_interactive_searchgtk_status_icon_popup_menugtk_style_updatedgtk_switch_pagegtk_test_collapse_rowgtk_test_expand_rowgtk_text_buffer_insert_textgtk_timergtk_toggledgtk_tree_view_column_cell_get_positiongtk_unmapgtk_unmap_eventgtk_unrealizegtk_value_changedgtk_widget_get_preferred_sizegtk_widget_get_surfacegtk_widget_get_windowgtk_widget_size_allocategtk_window_state_eventhookEventshookshoverProcisActiveisAutoDirectionisDisposedisListeningisValidSubclassisValidThreadkeyPressReleaseProcleaveProcmnemonicHitmnemonicMatchnotifyCreationTrackernotifyDisposalTrackernotifyListenersnotifyProcnotifyStatepaintSurfacepaintWindowpostEventpostEventregisterreleasereleaseHandlereleaseParentreleaseWidgetremoveDisposeListenerremoveListenerremoveListenerrendererGetPreferredWidthProcrendererRenderProcrendererSnapshotProcreskinreskinWidgetscrollProcsendEventsendEventsendEventsendEventsendIMKeyEventsendKeyEventsendSelectionEventsendSelectionEventsetButtonStatesetDatasetDatasetFontDescriptionsetInputStatesetKeyStatesetLocationStatesetOrientationsetTabGroupFocussetTabItemFocussetToolTipTextshellMapProcsizeAllocateProcsizeRequestProcsnapshotToDrawtimerProctopHandletoStringtranslateTraversalwindowActiveProcwindowProcwindowProcwindowProcwindowProcwindowProc

Field Detail

itemCountback to summary
pack-priv int itemCount
itemsback to summary
pack-priv TaskItem[] items

Constructor Detail

TaskBarback to summary
pack-priv TaskBar(Display display, int style)

Method Detail

createItemback to summary
pack-priv void createItem(TaskItem item, int index)
createItemsback to summary
pack-priv void createItems()
destroyItemback to summary
pack-priv void destroyItem(TaskItem item)
getItemback to summary
public TaskItem getItem(int index)

Returns the item at the given, zero-relative index in the receiver. Throws an exception if the index is out of range.

Parameters
index:int

the index of the item to return

Returns:TaskItem

the item at the given index

Exceptions
IllegalArgumentException:
  • ERROR_INVALID_RANGE - if the index is not between 0 and the number of elements in the list minus 1 (inclusive)
SWTException:
  • ERROR_WIDGET_DISPOSED - if the receiver has been disposed
  • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
getItemback to summary
public TaskItem getItem(Shell shell)

Returns the TaskItem for the given Shell or the TaskItem for the application if the Shell parameter is null. If the requested item is not supported by the platform it returns null.

Parameters
shell:Shell

the shell for which the task item is requested, or null to request the application item

Returns:TaskItem

the task item for the given shell or the application

Exceptions
SWTException:
  • ERROR_WIDGET_DISPOSED - if the receiver has been disposed
  • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
getItemCountback to summary
public int getItemCount()

Returns the number of items contained in the receiver.

Returns:int

the number of items

Exceptions
SWTException:
  • ERROR_WIDGET_DISPOSED - if the receiver has been disposed
  • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
getItemsback to summary
public TaskItem[] getItems()

Returns an array of TaskItems which are the items in the receiver.

Note

This is not the actual structure used by the receiver to maintain its list of items, so modifying the array will not affect the receiver.

Returns:TaskItem[]

the items in the receiver

Exceptions
SWTException:
  • ERROR_WIDGET_DISPOSED - if the receiver has been disposed
  • ERROR_THREAD_INVALID_ACCESS - if not called from the thread that created the receiver
releaseChildrenback to summary
pack-priv void releaseChildren(boolean destroy)

Overrides org.eclipse.swt.widgets.Widget.releaseChildren.

Annotations
@Override
reskinChildrenback to summary
pack-priv void reskinChildren(int flags)

Overrides org.eclipse.swt.widgets.Widget.reskinChildren.

Annotations
@Override