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Class

AtkNoOpObject

Description[src]

class Atk.NoOpObject : Atk.Object  implements Atk.Action, Atk.Component, Atk.Document, Atk.EditableText, Atk.Hypertext, Atk.Image, Atk.Selection, Atk.Table, Atk.TableCell, Atk.Text, Atk.Value, Atk.Window {  /* No available fields */}

An AtkObject which purports to implement allATK interfaces.

An AtkNoOpObject is an AtkObject which purports to implement allATK interfaces. It is the type of AtkObject which is created if anaccessible object is requested for an object type for which nofactory type is specified.

Hierarchy

hierarchythisAtkNoOpObjectimplements_0AtkActionthis--implements_0implements_1AtkComponentthis--implements_1implements_2AtkDocumentthis--implements_2implements_3AtkEditableTextthis--implements_3implements_4AtkHypertextthis--implements_4implements_5AtkImagethis--implements_5implements_6AtkSelectionthis--implements_6implements_7AtkTablethis--implements_7implements_8AtkTableCellthis--implements_8implements_9AtkTextthis--implements_9implements_10AtkValuethis--implements_10implements_11AtkWindowthis--implements_11ancestor_0AtkObjectancestor_0--thisancestor_1GObjectancestor_1--ancestor_0

Ancestors

Implements

Constructors

atk_no_op_object_new

Provides a default (non-functioning stub)AtkObject.Application maintainers should not use this method.

Instance methods

Methods inherited fromAtkObject (28)

Please see AtkObject for a full list of methods.

Methods inherited fromGObject (43)

Please see GObject for a full list of methods.

Methods inherited fromAtkAction (7)
atk_action_do_action

Perform the specified action on the object.

atk_action_get_description

Returns a description of the specified action of the object.

atk_action_get_keybinding

Gets the keybinding which can be used to activate this action, if oneexists. The string returned should contain localized, human-readable,key sequences as they would appear when displayed on screen. It mustbe in the format “mnemonic;sequence;shortcut”.

atk_action_get_localized_name

Returns the localized name of the specified action of the object.

atk_action_get_n_actions

Gets the number of accessible actions available on the object.If there are more than one, the first one is considered the“default” action of the object.

atk_action_get_name

Returns a non-localized string naming the specified action of theobject. This name is generally not descriptive of the end resultof the action, but instead names the ‘interaction type’ which theobject supports. By convention, the above strings should be used torepresent the actions which correspond to the common point-and-clickinteraction techniques of the same name: i.e.“click”, “press”, “release”, “drag”, “drop”, “popup”, etc.The “popup” action should be used to pop up a context menu for theobject, if one exists.

atk_action_set_description

Sets a description of the specified action of the object.

Methods inherited fromAtkComponent (16)
atk_component_add_focus_handler

Add the specified handler to the set of functions to be calledwhen this object receives focus events (in or out). If the handler isalready added it is not added again.

deprecated: 2.9.4 

atk_component_contains

Checks whether the specified point is within the extent of thecomponent.

atk_component_get_alpha

Returns the alpha value (i.e. the opacity) for thiscomponent, on a scale from 0 (fully transparent) to 1.0(fully opaque).

since: 1.12

atk_component_get_extents

Gets the rectangle which gives the extent of thecomponent.

atk_component_get_layer

Gets the layer of the component.

atk_component_get_mdi_zorder

Gets the zorder of the component. The value G_MININT will be returnedif the layer of the component is not ATK_LAYER_MDI or ATK_LAYER_WINDOW.

atk_component_get_position

Gets the position ofcomponent in the form ofa point specifyingcomponents top-left corner.

deprecated: Unknown 

atk_component_get_size

Gets the size of thecomponent in terms of width and height.

deprecated: Unknown 

atk_component_grab_focus

Grabs focus for thiscomponent.

atk_component_ref_accessible_at_point

Gets a reference to the accessible child, if one exists, at thecoordinate point specified byx andy.

atk_component_remove_focus_handler

Remove the handler specified byhandler_id from the list offunctions to be executed when this object receives focus events(in or out).

deprecated: 2.9.4 

atk_component_scroll_to

Makescomponent visible on the screen by scrolling all necessary parents.

since: 2.30

atk_component_scroll_to_point

Move the top-left ofcomponent to a given position of the screen byscrolling all necessary parents.

since: 2.30

atk_component_set_extents

Sets the extents ofcomponent.

atk_component_set_position

Sets the position ofcomponent.

atk_component_set_size

Set the size of thecomponent in terms of width and height.

Methods inherited fromAtkDocument (10)
atk_document_get_attribute_value

Retrieves the value of the givenattribute_name insidedocument.

since: 1.12

atk_document_get_attributes

Gets an AtkAttributeSet which describes document-wide attributes as name-value pairs.

since: 1.12

atk_document_get_current_page_number

Retrieves the current page number insidedocument.

since: 2.12

atk_document_get_document

Gets a %gpointer that points to an instance of theDOM. It isup to the caller to check atk_document_get_type to determinehow to cast this pointer.

deprecated: Unknown 

atk_document_get_document_type

Gets a string indicating the document type.

deprecated: Unknown 

atk_document_get_locale

Gets aUTF-8 string indicating thePOSIX-style LC_MESSAGES locale of the content of this document instance. Individual text substrings or images within this document may have a different locale, see atk_text_get_attributes and atk_image_get_image_locale.

deprecated: 2.7.90 

atk_document_get_page_count

Retrieves the total number of pages insidedocument.

since: 2.12

atk_document_get_text_selections

Returns an array of AtkTextSelections within this document.

since: 2.52

atk_document_set_attribute_value

Sets the value for the givenattribute_name insidedocument.

since: 1.12

atk_document_set_text_selections

Makes 1 or more selections within this document denoted by the givenarray of AtkTextSelections. Any existing physical selection (inside oroutside this document) is replaced by the new selections. All objects withinthe given selection ranges must be descendants of this document. OtherwiseFALSE will be returned.

since: 2.52

Methods inherited fromAtkEditableText (7)
atk_editable_text_copy_text

Copy text fromstart_pos up to, but not includingend_posto the clipboard.

atk_editable_text_cut_text

Copy text fromstart_pos up to, but not includingend_posto the clipboard and then delete from the widget.

atk_editable_text_delete_text

Delete textstart_pos up to, but not includingend_pos.

atk_editable_text_insert_text

Insert text at a given position.

atk_editable_text_paste_text

Paste text from clipboard to specifiedposition.

atk_editable_text_set_run_attributes

Sets the attributes for a specified range. See the ATK_ATTRIBUTEmacros (such as #ATK_ATTRIBUTE_LEFT_MARGIN) for examples of attributesthat can be set. Note that other attributes that do not have correspondingATK_ATTRIBUTE macros may also be set for certain text widgets.

atk_editable_text_set_text_contents

Set text contents oftext.

Methods inherited fromAtkHypertext (3)
atk_hypertext_get_link

Gets the link in this hypertext document at indexlink_index.

atk_hypertext_get_link_index

Gets the index into the array of hyperlinks that is associated withthe character specified bychar_index.

atk_hypertext_get_n_links

Gets the number of links within this hypertext document.

Methods inherited fromAtkImage (5)
atk_image_get_image_description

Get a textual description of this image.

atk_image_get_image_locale

Retrieves the locale identifier associated to theAtkImage.

since: 1.12

atk_image_get_image_position

Gets the position of the image in the form of a point specifying theimages top-left corner.

atk_image_get_image_size

Get the width and height in pixels for the specified image.The values ofwidth andheight are returned as -1 if thevalues cannot be obtained (for instance, if the object is not onscreen).

atk_image_set_image_description

Sets the textual description for this image.

Methods inherited fromAtkSelection (7)
atk_selection_add_selection

Adds the specified accessible child of the object to theobject’s selection.

atk_selection_clear_selection

Clears the selection in the object so that no children in the objectare selected.

atk_selection_get_selection_count

Gets the number of accessible children currently selected.Note: callers should not rely onNULL or on a zero value forindication of whether AtkSelectionIface is implemented, they shoulduse type checking/interface checking macros or theatk_get_accessible_value() convenience method.

atk_selection_is_child_selected

Determines if the current child of this object is selectedNote: callers should not rely onNULL or on a zero value forindication of whether AtkSelectionIface is implemented, they shoulduse type checking/interface checking macros or theatk_get_accessible_value() convenience method.

atk_selection_ref_selection

Gets a reference to the accessible object representing the specifiedselected child of the object.Note: callers should not rely onNULL or on a zero value forindication of whether AtkSelectionIface is implemented, they shoulduse type checking/interface checking macros or theatk_get_accessible_value() convenience method.

atk_selection_remove_selection

Removes the specified child of the object from the object’s selection.

atk_selection_select_all_selection

Causes every child of the object to be selected if the objectsupports multiple selections.

Methods inherited fromAtkTable (29)

Please see AtkTable for a full list of methods.

Methods inherited fromAtkTableCell (7)
atk_table_cell_get_column_header_cells

Returns the column headers as an array of cell accessibles.

since: 2.12

atk_table_cell_get_column_span

Returns the number of columns occupied by this cell accessible.

since: 2.12

atk_table_cell_get_position

Retrieves the tabular position of this cell.

since: 2.12

atk_table_cell_get_row_column_span

Gets the row and column indexes and span of this cell accessible.

since: 2.12

atk_table_cell_get_row_header_cells

Returns the row headers as an array of cell accessibles.

since: 2.12

atk_table_cell_get_row_span

Returns the number of rows occupied by this cell accessible.

since: 2.12

atk_table_cell_get_table

Returns a reference to the accessible of the containing table.

since: 2.12

Methods inherited fromAtkText (22)
atk_text_add_selection

Adds a selection bounded by the specified offsets.

atk_text_get_bounded_ranges

Get the ranges of text in the specified bounding box.

since: 1.3

atk_text_get_caret_offset

Gets the offset of the position of the caret (cursor).

atk_text_get_character_at_offset

Gets the specified text.

atk_text_get_character_count

Gets the character count.

atk_text_get_character_extents

If the extent can not be obtained (e.g. missing support), all of x, y, width,height are set to -1.

atk_text_get_default_attributes

Creates anAtkAttributeSet which consists of the default values ofattributes for the text. See the enum AtkTextAttribute for types of textattributes that can be returned. Note that other attributes may also be returned.

atk_text_get_n_selections

Gets the number of selected regions.

atk_text_get_offset_at_point

Gets the offset of the character located at coordinatesx andy.x andyare interpreted as being relative to the screen or this widget’s windowdepending oncoords.

atk_text_get_range_extents

Get the bounding box for text within the specified range.

since: 1.3

atk_text_get_run_attributes

Creates anAtkAttributeSet which consists of the attributes explicitlyset at the positionoffset in the text.start_offset andend_offset areset to the start and end of the range aroundoffset where the attributes areinvariant. Note thatend_offset is the offset of the first characterafter the range. See the enum AtkTextAttribute for types of textattributes that can be returned. Note that other attributes may also be returned.

atk_text_get_selection

Gets the text from the specified selection.

atk_text_get_string_at_offset

Gets a portion of the text exposed through anAtkText according to a givenoffsetand a specificgranularity, along with the start and end offsets defining theboundaries of such a portion of text.

since: 2.10

atk_text_get_text

Gets the specified text.

atk_text_get_text_after_offset

Gets the specified text.

deprecated: 2.9.3 

atk_text_get_text_at_offset

Gets the specified text.

deprecated: Unknown 

atk_text_get_text_before_offset

Gets the specified text.

deprecated: 2.9.3 

atk_text_remove_selection

Removes the specified selection.

atk_text_scroll_substring_to

Makes a substring oftext visible on the screen by scrolling all necessary parents.

since: 2.32

atk_text_scroll_substring_to_point

Move the top-left of a substring oftext to a given position of the screenby scrolling all necessary parents.

since: 2.32

atk_text_set_caret_offset

Sets the caret (cursor) position to the specifiedoffset.

atk_text_set_selection

Changes the start and end offset of the specified selection.

Methods inherited fromAtkValue (10)
atk_value_get_current_value

Gets the value of this object.

deprecated: Unknown 

atk_value_get_increment

Gets the minimum increment by which the value of this object may bechanged. If zero, the minimum increment is undefined, which maymean that it is limited only by the floating point precision of the platform.

since: 2.12

atk_value_get_maximum_value

Gets the maximum value of this object.

deprecated: Unknown 

atk_value_get_minimum_increment

Gets the minimum increment by which the value of this object may be changed. If zero,the minimum increment is undefined, which may mean that it is limited only by thefloating point precision of the platform.

deprecated: Unknown since: 1.12

atk_value_get_minimum_value

Gets the minimum value of this object.

deprecated: Unknown 

atk_value_get_range

Gets the range of this object.

since: 2.12

atk_value_get_sub_ranges

Gets the list of subranges defined for this object. SeeAtkValueintroduction for examples of subranges and when to expose them.

since: 2.12

atk_value_get_value_and_text

Gets the current value and the human readable text alternative ofobj.text is a newly created string, that must be freed by thecaller. Can beNULL if no descriptor is available.

since: 2.12

atk_value_set_current_value

Sets the value of this object.

deprecated: Unknown 

atk_value_set_value

Sets the value of this object.

since: 2.12

Properties

Properties inherited fromAtkObject (17)
Atk.Object:accessible-component-layer
No description available.

Atk.Object:accessible-component-mdi-zorder
No description available.

Atk.Object:accessible-description
No description available.

Atk.Object:accessible-help-text
No description available.

Atk.Object:accessible-hypertext-nlinks
No description available.

Atk.Object:accessible-id
No description available.

Atk.Object:accessible-name
No description available.

Atk.Object:accessible-parent
No description available.

Atk.Object:accessible-role
No description available.

Atk.Object:accessible-table-caption

Table caption.

deprecated: Unknown 

Atk.Object:accessible-table-caption-object
No description available.

Atk.Object:accessible-table-column-description

Accessible table column description.

deprecated: Unknown 

Atk.Object:accessible-table-column-header

Accessible table column header.

deprecated: Unknown 

Atk.Object:accessible-table-row-description

Accessible table row description.

deprecated: Unknown 

Atk.Object:accessible-table-row-header

Accessible table row header.

deprecated: Unknown 

Atk.Object:accessible-table-summary
No description available.

Atk.Object:accessible-value

Numeric value of this object, in case being and AtkValue.

deprecated: Unknown 

Signals

Signals inherited fromAtkObject (9)
AtkObject::active-descendant-changed

The “active-descendant-changed” signal is emitted by an objectwhich has the state ATK_STATE_MANAGES_DESCENDANTS when the focusobject in the object changes. For instance, a table will emit thesignal when the cell in the table which has focus changes.

AtkObject::announcement

The “announcement” signal can be emitted to pass an announcement on tobe read by a screen reader.

since: 2.46

AtkObject::attribute-changed

The “attribute-changed” signal should be emitted when one of an object’sattributes changes.

since: 2.52

AtkObject::children-changed

The signal “children-changed” is emitted when a child is added orremoved from an object. It supports two details: “add” and “remove”.

AtkObject::focus-event

The signal “focus-event” is emitted when an object gained or lost focus.

deprecated: 2.9.4 

AtkObject::notification

The “notification” signal can be emitted to pass an announcement on tobe read by a screen reader.

since: 2.50

AtkObject::property-change

The signal “property-change” is emitted when an object’s propertyvalue changes.arg1 contains anAtkPropertyValues with the nameand the new value of the property whose value has changed. Notethat, as with GObject notify, getting this signal does notguarantee that the value of the property has actually changed; itmay also be emitted when the setter of the property is called toreinstate the previous value.

AtkObject::state-change

The “state-change” signal is emitted when an object’s statechanges. The detail value identifies the state type which has changed.

AtkObject::visible-data-changed

The “visible-data-changed” signal is emitted when the visualappearance of the object changed.

Signals inherited fromGObject (1)
GObject::notify

The notify signal is emitted on an object when one of its properties hasits value set through g_object_set_property(), g_object_set(), et al.

Signals inherited fromAtkComponent (1)
AtkComponent::bounds-changed

The ‘bounds-changed” signal is emitted when the position orsize of the component changes.

Signals inherited fromAtkDocument (5)
AtkDocument::document-attribute-changed

The “document-attribute-changed” signal should be emitted when there is achange to one of the document attributes returned by atk_document_get_attributes.

since: 2.52

AtkDocument::load-complete

The ‘load-complete’ signal is emitted when a pending load ofa static document has completed. This signal is to beexpected byATK clients if and when AtkDocument implementorsexpose ATK_STATE_BUSY. If the state of an AtkObject whichimplements AtkDocument does not include ATK_STATE_BUSY, itshould be safe for clients to assume that the AtkDocument’sstatic contents are fully loaded into the container.(Dynamic document contents should be exposed via other signals.).

AtkDocument::load-stopped

The ‘load-stopped’ signal is emitted when a pending load ofdocument contents is cancelled, paused, or otherwiseinterrupted by the user or application logic. It should nothowever be emitted while waiting for a resource (for instancewhile blocking on a file or network read) unless auser-significant timeout has occurred.

AtkDocument::page-changed

The ‘page-changed’ signal is emitted when the current page ofa document changes, e.g. pressing page up/down in a document viewer.

since: 2.12

AtkDocument::reload

The ‘reload’ signal is emitted when the contents of adocument is refreshed from its source. Once ‘reload’ hasbeen emitted, a matching ‘load-complete’ or ‘load-stopped’signal should follow, which clients may await beforeinterrogatingATK for the latest document content.

Signals inherited fromAtkHypertext (1)
AtkHypertext::link-selected

The “link-selected” signal is emitted by an AtkHyperTextobject when one of the hyperlinks associated with the objectis selected.

Signals inherited fromAtkSelection (1)
AtkSelection::selection-changed

The “selection-changed” signal is emitted by an object whichimplements AtkSelection interface when the selection changes.

Signals inherited fromAtkTable (7)
AtkTable::column-deleted

The “column-deleted” signal is emitted by an object whichimplements the AtkTable interface when a column is deleted.

AtkTable::column-inserted

The “column-inserted” signal is emitted by an object whichimplements the AtkTable interface when a column is inserted.

AtkTable::column-reordered

The “column-reordered” signal is emitted by an object whichimplements the AtkTable interface when the columns are reordered.

AtkTable::model-changed

The “model-changed” signal is emitted by an object whichimplements the AtkTable interface when the model displayed bythe table changes.

AtkTable::row-deleted

The “row-deleted” signal is emitted by an object whichimplements the AtkTable interface when a row is deleted.

AtkTable::row-inserted

The “row-inserted” signal is emitted by an object whichimplements the AtkTable interface when a row is inserted.

AtkTable::row-reordered

The “row-reordered” signal is emitted by an object whichimplements the AtkTable interface when the rows are reordered.

Signals inherited fromAtkText (6)
AtkText::text-attributes-changed

The “text-attributes-changed” signal is emitted when the textattributes of the text of an object which implements AtkText changes.

AtkText::text-caret-moved

The “text-caret-moved” signal is emitted when the caretposition of the text of an object which implements AtkText changes.

AtkText::text-changed

The “text-changed” signal is emitted when the text of theobject which implements the AtkText interface changes, Thissignal will have a detail which is either “insert” or“delete” which identifies whether the text change was aninsertion or a deletion.

deprecated: 2.9.4 

AtkText::text-insert

The “text-insert” signal is emitted when a new text isinserted. If the signal was not triggered by the user(e.g. typing or pasting text), the “system” detail should be included.

AtkText::text-remove

The “text-remove” signal is emitted when a new text isremoved. If the signal was not triggered by the user(e.g. typing or pasting text), the “system” detail should be included.

AtkText::text-selection-changed

The “text-selection-changed” signal is emitted when theselected text of an object which implements AtkText changes.

Signals inherited fromAtkValue (1)
AtkValue::value-changed

The ‘value-changed’ signal is emitted when the current valuethat represent the object changes.value is the numericalrepresentation of this new value.text is the humanreadable text alternative ofvalue, and can beNULL if it isnot available. Note that if there is a textual descriptionassociated with the new numeric value, that descriptionshould be included regardless of whether or not it has also changed.

since: 2.12

Signals inherited fromAtkWindow (9)
AtkWindow::activate

The signalAtkWindow::activate is emitted when a windowbecomes the active window of the application or session.

since: 2.2

AtkWindow::create

The signalAtkWindow::create is emitted when a new windowis created.

since: 2.2

AtkWindow::deactivate

The signalAtkWindow::deactivate is emitted when a window isno longer the active window of the application or session.

since: 2.2

AtkWindow::destroy

The signalAtkWindow::destroy is emitted when a window is destroyed.

since: 2.2

AtkWindow::maximize

The signalAtkWindow::maximize is emitted when a windowis maximized.

since: 2.2

AtkWindow::minimize

The signalAtkWindow::minimize is emitted when a windowis minimized.

since: 2.2

AtkWindow::move

The signalAtkWindow::move is emitted when a windowis moved.

since: 2.2

AtkWindow::resize

The signalAtkWindow::resize is emitted when a windowis resized.

since: 2.2

AtkWindow::restore

The signalAtkWindow::restore is emitted when a windowis restored.

since: 2.2

Class structure

struct AtkNoOpObjectClass {  AtkObjectClass parent_class;  }

No description available.

Class members
parent_class: AtkObjectClass

No description available.


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