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Atk-1.0.gir
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<?xml version="1.0"?>
<!-- This file was automatically generated from C sources - DO NOT EDIT!
To affect the contents of this file, edit the original C definitions,
and/or use gtk-doc annotations. -->
<repository xmlns="http://www.gtk.org/introspection/core/1.0" xmlns:c="http://www.gtk.org/introspection/c/1.0" xmlns:glib="http://www.gtk.org/introspection/glib/1.0" version="1.2">
<include name="GObject" version="2.0"/>
<package name="atk"/>
<c:include name="atk/atk.h"/>
<namespace name="Atk" version="1.0" shared-library="libatk-1.0.so.0" c:identifier-prefixes="Atk" c:symbol-prefixes="atk">
<alias name="AttributeSet" c:type="AtkAttributeSet">
<doc xml:space="preserve">This is a singly-linked list (a #GSList) of #AtkAttribute. It is
used by atk_text_get_run_attributes(),
atk_text_get_default_attributes(),
atk_editable_text_set_run_attributes(),
atk_document_get_attributes() and atk_object_get_attributes()</doc>
<type name="GLib.SList" c:type="GSList"/>
</alias>
<alias name="State" c:type="AtkState">
<type name="guint64" c:type="guint64"/>
</alias>
<function-macro name="ACTION" c:identifier="ATK_ACTION" introspectable="0">
<parameters>
<parameter name="obj">
</parameter>
</parameters>
</function-macro>
<function-macro name="ACTION_GET_IFACE" c:identifier="ATK_ACTION_GET_IFACE" introspectable="0">
<parameters>
<parameter name="obj">
</parameter>
</parameters>
</function-macro>
<interface name="Action" c:symbol-prefix="action" c:type="AtkAction" glib:type-name="AtkAction" glib:get-type="atk_action_get_type" glib:type-struct="ActionIface">
<doc xml:space="preserve">#AtkAction should be implemented by instances of #AtkObject classes
with which the user can interact directly, i.e. buttons,
checkboxes, scrollbars, e.g. components which are not "passive"
providers of UI information.
Exceptions: when the user interaction is already covered by another
appropriate interface such as #AtkEditableText (insert/delete text,
etc.) or #AtkValue (set value) then these actions should not be
exposed by #AtkAction as well.
Though most UI interactions on components should be invocable via
keyboard as well as mouse, there will generally be a close mapping
between "mouse actions" that are possible on a component and the
AtkActions. Where mouse and keyboard actions are redundant in
effect, #AtkAction should expose only one action rather than
exposing redundant actions if possible. By convention we have been
using "mouse centric" terminology for #AtkAction names.</doc>
<virtual-method name="do_action" invoker="do_action">
<doc xml:space="preserve">Perform the specified action on the object.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">%TRUE if success, %FALSE otherwise</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</instance-parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="get_description" invoker="get_description">
<doc xml:space="preserve">Returns a description of the specified action of the object.</doc>
<return-value transfer-ownership="none" nullable="1">
<doc xml:space="preserve">a description string, or %NULL if @action does
not implement this interface.</doc>
<type name="utf8" c:type="const gchar*"/>
</return-value>
<parameters>
<instance-parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</instance-parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="get_keybinding" invoker="get_keybinding">
<doc xml:space="preserve">Gets the keybinding which can be used to activate this action, if one
exists. The string returned should contain localized, human-readable,
key sequences as they would appear when displayed on screen. It must
be in the format "mnemonic;sequence;shortcut".
- The mnemonic key activates the object if it is presently enabled onscreen.
This typically corresponds to the underlined letter within the widget.
Example: "n" in a traditional "New..." menu item or the "a" in "Apply" for
a button.
- The sequence is the full list of keys which invoke the action even if the
relevant element is not currently shown on screen. For instance, for a menu
item the sequence is the keybindings used to open the parent menus before
invoking. The sequence string is colon-delimited. Example: "Alt+F:N" in a
traditional "New..." menu item.
- The shortcut, if it exists, will invoke the same action without showing
the component or its enclosing menus or dialogs. Example: "Ctrl+N" in a
traditional "New..." menu item.
Example: For a traditional "New..." menu item, the expected return value
would be: "N;Alt+F:N;Ctrl+N" for the English locale and "N;Alt+D:N;Strg+N"
for the German locale. If, hypothetically, this menu item lacked a mnemonic,
it would be represented by ";;Ctrl+N" and ";;Strg+N" respectively.</doc>
<return-value transfer-ownership="none" nullable="1">
<doc xml:space="preserve">the keybinding which can be used to activate
this action, or %NULL if there is no keybinding for this action.</doc>
<type name="utf8" c:type="const gchar*"/>
</return-value>
<parameters>
<instance-parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</instance-parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="get_localized_name" invoker="get_localized_name">
<doc xml:space="preserve">Returns the localized name of the specified action of the object.</doc>
<return-value transfer-ownership="none" nullable="1">
<doc xml:space="preserve">a name string, or %NULL if @action does not
implement this interface.</doc>
<type name="utf8" c:type="const gchar*"/>
</return-value>
<parameters>
<instance-parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</instance-parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="get_n_actions" invoker="get_n_actions">
<doc xml:space="preserve">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.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a the number of actions, or 0 if @action does not
implement this interface.</doc>
<type name="gint" c:type="gint"/>
</return-value>
<parameters>
<instance-parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</instance-parameter>
</parameters>
</virtual-method>
<virtual-method name="get_name" invoker="get_name">
<doc xml:space="preserve">Returns a non-localized string naming the specified action of the
object. This name is generally not descriptive of the end result
of the action, but instead names the 'interaction type' which the
object supports. By convention, the above strings should be used to
represent the actions which correspond to the common point-and-click
interaction 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 the
object, if one exists.
For technical reasons, some toolkits cannot guarantee that the
reported action is actually 'bound' to a nontrivial user event;
i.e. the result of some actions via atk_action_do_action() may be
NIL.</doc>
<return-value transfer-ownership="none" nullable="1">
<doc xml:space="preserve">a name string, or %NULL if @action does not
implement this interface.</doc>
<type name="utf8" c:type="const gchar*"/>
</return-value>
<parameters>
<instance-parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</instance-parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="set_description" invoker="set_description">
<doc xml:space="preserve">Sets a description of the specified action of the object.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a gboolean representing if the description was successfully set;</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</instance-parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="desc" transfer-ownership="none">
<doc xml:space="preserve">the description to be assigned to this action</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
</parameters>
</virtual-method>
<method name="do_action" c:identifier="atk_action_do_action">
<doc xml:space="preserve">Perform the specified action on the object.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">%TRUE if success, %FALSE otherwise</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</instance-parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</method>
<method name="get_description" c:identifier="atk_action_get_description">
<doc xml:space="preserve">Returns a description of the specified action of the object.</doc>
<return-value transfer-ownership="none" nullable="1">
<doc xml:space="preserve">a description string, or %NULL if @action does
not implement this interface.</doc>
<type name="utf8" c:type="const gchar*"/>
</return-value>
<parameters>
<instance-parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</instance-parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</method>
<method name="get_keybinding" c:identifier="atk_action_get_keybinding">
<doc xml:space="preserve">Gets the keybinding which can be used to activate this action, if one
exists. The string returned should contain localized, human-readable,
key sequences as they would appear when displayed on screen. It must
be in the format "mnemonic;sequence;shortcut".
- The mnemonic key activates the object if it is presently enabled onscreen.
This typically corresponds to the underlined letter within the widget.
Example: "n" in a traditional "New..." menu item or the "a" in "Apply" for
a button.
- The sequence is the full list of keys which invoke the action even if the
relevant element is not currently shown on screen. For instance, for a menu
item the sequence is the keybindings used to open the parent menus before
invoking. The sequence string is colon-delimited. Example: "Alt+F:N" in a
traditional "New..." menu item.
- The shortcut, if it exists, will invoke the same action without showing
the component or its enclosing menus or dialogs. Example: "Ctrl+N" in a
traditional "New..." menu item.
Example: For a traditional "New..." menu item, the expected return value
would be: "N;Alt+F:N;Ctrl+N" for the English locale and "N;Alt+D:N;Strg+N"
for the German locale. If, hypothetically, this menu item lacked a mnemonic,
it would be represented by ";;Ctrl+N" and ";;Strg+N" respectively.</doc>
<return-value transfer-ownership="none" nullable="1">
<doc xml:space="preserve">the keybinding which can be used to activate
this action, or %NULL if there is no keybinding for this action.</doc>
<type name="utf8" c:type="const gchar*"/>
</return-value>
<parameters>
<instance-parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</instance-parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</method>
<method name="get_localized_name" c:identifier="atk_action_get_localized_name">
<doc xml:space="preserve">Returns the localized name of the specified action of the object.</doc>
<return-value transfer-ownership="none" nullable="1">
<doc xml:space="preserve">a name string, or %NULL if @action does not
implement this interface.</doc>
<type name="utf8" c:type="const gchar*"/>
</return-value>
<parameters>
<instance-parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</instance-parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</method>
<method name="get_n_actions" c:identifier="atk_action_get_n_actions">
<doc xml:space="preserve">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.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a the number of actions, or 0 if @action does not
implement this interface.</doc>
<type name="gint" c:type="gint"/>
</return-value>
<parameters>
<instance-parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</instance-parameter>
</parameters>
</method>
<method name="get_name" c:identifier="atk_action_get_name">
<doc xml:space="preserve">Returns a non-localized string naming the specified action of the
object. This name is generally not descriptive of the end result
of the action, but instead names the 'interaction type' which the
object supports. By convention, the above strings should be used to
represent the actions which correspond to the common point-and-click
interaction 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 the
object, if one exists.
For technical reasons, some toolkits cannot guarantee that the
reported action is actually 'bound' to a nontrivial user event;
i.e. the result of some actions via atk_action_do_action() may be
NIL.</doc>
<return-value transfer-ownership="none" nullable="1">
<doc xml:space="preserve">a name string, or %NULL if @action does not
implement this interface.</doc>
<type name="utf8" c:type="const gchar*"/>
</return-value>
<parameters>
<instance-parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</instance-parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</method>
<method name="set_description" c:identifier="atk_action_set_description">
<doc xml:space="preserve">Sets a description of the specified action of the object.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a gboolean representing if the description was successfully set;</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</instance-parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="desc" transfer-ownership="none">
<doc xml:space="preserve">the description to be assigned to this action</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
</parameters>
</method>
</interface>
<record name="ActionIface" c:type="AtkActionIface" glib:is-gtype-struct-for="Action">
<doc xml:space="preserve">The #AtkAction interface should be supported by any object that can
perform one or more actions. The interface provides the standard
mechanism for an assistive technology to determine what those actions
are as well as tell the object to perform them. Any object that can
be manipulated should support this interface.</doc>
<field name="parent" readable="0" private="1">
<type name="GObject.TypeInterface" c:type="GTypeInterface"/>
</field>
<field name="do_action">
<callback name="do_action">
<return-value transfer-ownership="none">
<doc xml:space="preserve">%TRUE if success, %FALSE otherwise</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</callback>
</field>
<field name="get_n_actions">
<callback name="get_n_actions">
<return-value transfer-ownership="none">
<doc xml:space="preserve">a the number of actions, or 0 if @action does not
implement this interface.</doc>
<type name="gint" c:type="gint"/>
</return-value>
<parameters>
<parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</parameter>
</parameters>
</callback>
</field>
<field name="get_description">
<callback name="get_description">
<return-value transfer-ownership="none" nullable="1">
<doc xml:space="preserve">a description string, or %NULL if @action does
not implement this interface.</doc>
<type name="utf8" c:type="const gchar*"/>
</return-value>
<parameters>
<parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</callback>
</field>
<field name="get_name">
<callback name="get_name">
<return-value transfer-ownership="none" nullable="1">
<doc xml:space="preserve">a name string, or %NULL if @action does not
implement this interface.</doc>
<type name="utf8" c:type="const gchar*"/>
</return-value>
<parameters>
<parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</callback>
</field>
<field name="get_keybinding">
<callback name="get_keybinding">
<return-value transfer-ownership="none" nullable="1">
<doc xml:space="preserve">the keybinding which can be used to activate
this action, or %NULL if there is no keybinding for this action.</doc>
<type name="utf8" c:type="const gchar*"/>
</return-value>
<parameters>
<parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</callback>
</field>
<field name="set_description">
<callback name="set_description">
<return-value transfer-ownership="none">
<doc xml:space="preserve">a gboolean representing if the description was successfully set;</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="desc" transfer-ownership="none">
<doc xml:space="preserve">the description to be assigned to this action</doc>
<type name="utf8" c:type="const gchar*"/>
</parameter>
</parameters>
</callback>
</field>
<field name="get_localized_name">
<callback name="get_localized_name">
<return-value transfer-ownership="none" nullable="1">
<doc xml:space="preserve">a name string, or %NULL if @action does not
implement this interface.</doc>
<type name="utf8" c:type="const gchar*"/>
</return-value>
<parameters>
<parameter name="action" transfer-ownership="none">
<doc xml:space="preserve">a #GObject instance that implements AtkActionIface</doc>
<type name="Action" c:type="AtkAction*"/>
</parameter>
<parameter name="i" transfer-ownership="none">
<doc xml:space="preserve">the action index corresponding to the action to be performed</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</callback>
</field>
</record>
<record name="Attribute" c:type="AtkAttribute">
<doc xml:space="preserve">AtkAttribute is a string name/value pair representing a generic
attribute. This can be used to expose additional information from
an accessible object as a whole (see atk_object_get_attributes())
or an document (see atk_document_get_attributes()). In the case of
text attributes (see atk_text_get_default_attributes()),
#AtkTextAttribute enum defines all the possible text attribute
names. You can use atk_text_attribute_get_name() to get the string
name from the enum value. See also atk_text_attribute_for_name()
and atk_text_attribute_get_value() for more information.
A string name/value pair representing a generic attribute.</doc>
<field name="name" writable="1">
<doc xml:space="preserve">The attribute name.</doc>
<type name="utf8" c:type="gchar*"/>
</field>
<field name="value" writable="1">
<doc xml:space="preserve">the value of the attribute, represented as a string.</doc>
<type name="utf8" c:type="gchar*"/>
</field>
<function name="set_free" c:identifier="atk_attribute_set_free">
<doc xml:space="preserve">Frees the memory used by an #AtkAttributeSet, including all its
#AtkAttributes.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<parameter name="attrib_set" transfer-ownership="none">
<doc xml:space="preserve">The #AtkAttributeSet to free</doc>
<type name="AttributeSet" c:type="AtkAttributeSet*"/>
</parameter>
</parameters>
</function>
</record>
<constant name="BINARY_AGE" value="23610" c:type="ATK_BINARY_AGE" version="2.7.4">
<doc xml:space="preserve">Like atk_get_binary_age(), but from the headers used at
application compile time, rather than from the library linked
against at application run time.</doc>
<type name="gint" c:type="gint"/>
</constant>
<function-macro name="CHECK_VERSION" c:identifier="ATK_CHECK_VERSION" version="2.7.4" introspectable="0">
<doc xml:space="preserve">Returns %TRUE if the version of the ATK header files is the same as
or newer than the passed-in version.</doc>
<parameters>
<parameter name="major">
<doc xml:space="preserve">major version (e.g. 1 for version 1.2.5)</doc>
</parameter>
<parameter name="minor">
<doc xml:space="preserve">minor version (e.g. 2 for version 1.2.5)</doc>
</parameter>
<parameter name="micro">
<doc xml:space="preserve">micro version (e.g. 5 for version 1.2.5)</doc>
</parameter>
</parameters>
</function-macro>
<function-macro name="COMPONENT" c:identifier="ATK_COMPONENT" introspectable="0">
<parameters>
<parameter name="obj">
</parameter>
</parameters>
</function-macro>
<function-macro name="COMPONENT_GET_IFACE" c:identifier="ATK_COMPONENT_GET_IFACE" introspectable="0">
<parameters>
<parameter name="obj">
</parameter>
</parameters>
</function-macro>
<interface name="Component" c:symbol-prefix="component" c:type="AtkComponent" glib:type-name="AtkComponent" glib:get-type="atk_component_get_type" glib:type-struct="ComponentIface">
<doc xml:space="preserve">#AtkComponent should be implemented by most if not all UI elements
with an actual on-screen presence, i.e. components which can be
said to have a screen-coordinate bounding box. Virtually all
widgets will need to have #AtkComponent implementations provided
for their corresponding #AtkObject class. In short, only UI
elements which are *not* GUI elements will omit this ATK interface.
A possible exception might be textual information with a
transparent background, in which case text glyph bounding box
information is provided by #AtkText.</doc>
<virtual-method name="add_focus_handler" invoker="add_focus_handler" introspectable="0" deprecated="1" deprecated-version="2.9.4">
<doc xml:space="preserve">Add the specified handler to the set of functions to be called
when this object receives focus events (in or out). If the handler is
already added it is not added again</doc>
<doc-deprecated xml:space="preserve">If you need to track when an object gains or
lose the focus, use the #AtkObject::state-change "focused" notification instead.</doc-deprecated>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a handler id which can be used in atk_component_remove_focus_handler()
or zero if the handler was already added.</doc>
<type name="guint" c:type="guint"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<doc xml:space="preserve">The #AtkComponent to attach the @handler to</doc>
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
<parameter name="handler" transfer-ownership="none">
<doc xml:space="preserve">The #AtkFocusHandler to be attached to @component</doc>
<type name="FocusHandler" c:type="AtkFocusHandler"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="bounds_changed">
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
<parameter name="bounds" transfer-ownership="none">
<type name="Rectangle" c:type="AtkRectangle*"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="contains" invoker="contains">
<doc xml:space="preserve">Checks whether the specified point is within the extent of the @component.
Toolkit implementor note: ATK provides a default implementation for
this virtual method. In general there are little reason to
re-implement it.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">%TRUE or %FALSE indicating whether the specified point is within
the extent of the @component or not</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<doc xml:space="preserve">the #AtkComponent</doc>
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
<parameter name="x" transfer-ownership="none">
<doc xml:space="preserve">x coordinate</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="y" transfer-ownership="none">
<doc xml:space="preserve">y coordinate</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="coord_type" transfer-ownership="none">
<doc xml:space="preserve">specifies whether the coordinates are relative to the screen
or to the components top level window</doc>
<type name="CoordType" c:type="AtkCoordType"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="get_alpha" invoker="get_alpha" version="1.12">
<doc xml:space="preserve">Returns the alpha value (i.e. the opacity) for this
@component, on a scale from 0 (fully transparent) to 1.0
(fully opaque).</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">An alpha value from 0 to 1.0, inclusive.</doc>
<type name="gdouble" c:type="gdouble"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<doc xml:space="preserve">an #AtkComponent</doc>
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
</parameters>
</virtual-method>
<virtual-method name="get_extents" invoker="get_extents">
<doc xml:space="preserve">Gets the rectangle which gives the extent of the @component.
If the extent can not be obtained (e.g. a non-embedded plug or missing
support), all of x, y, width, height are set to -1.</doc>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<doc xml:space="preserve">an #AtkComponent</doc>
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
<parameter name="x" direction="out" caller-allocates="0" transfer-ownership="full" optional="1" allow-none="1">
<doc xml:space="preserve">address of #gint to put x coordinate</doc>
<type name="gint" c:type="gint*"/>
</parameter>
<parameter name="y" direction="out" caller-allocates="0" transfer-ownership="full" optional="1" allow-none="1">
<doc xml:space="preserve">address of #gint to put y coordinate</doc>
<type name="gint" c:type="gint*"/>
</parameter>
<parameter name="width" direction="out" caller-allocates="0" transfer-ownership="full" optional="1" allow-none="1">
<doc xml:space="preserve">address of #gint to put width</doc>
<type name="gint" c:type="gint*"/>
</parameter>
<parameter name="height" direction="out" caller-allocates="0" transfer-ownership="full" optional="1" allow-none="1">
<doc xml:space="preserve">address of #gint to put height</doc>
<type name="gint" c:type="gint*"/>
</parameter>
<parameter name="coord_type" transfer-ownership="none">
<doc xml:space="preserve">specifies whether the coordinates are relative to the screen
or to the components top level window</doc>
<type name="CoordType" c:type="AtkCoordType"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="get_layer" invoker="get_layer">
<doc xml:space="preserve">Gets the layer of the component.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">an #AtkLayer which is the layer of the component</doc>
<type name="Layer" c:type="AtkLayer"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<doc xml:space="preserve">an #AtkComponent</doc>
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
</parameters>
</virtual-method>
<virtual-method name="get_mdi_zorder" invoker="get_mdi_zorder">
<doc xml:space="preserve">Gets the zorder of the component. The value G_MININT will be returned
if the layer of the component is not ATK_LAYER_MDI or ATK_LAYER_WINDOW.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">a gint which is the zorder of the component, i.e. the depth at
which the component is shown in relation to other components in the same
container.</doc>
<type name="gint" c:type="gint"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<doc xml:space="preserve">an #AtkComponent</doc>
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
</parameters>
</virtual-method>
<virtual-method name="get_position" invoker="get_position" deprecated="1">
<doc xml:space="preserve">Gets the position of @component in the form of
a point specifying @component's top-left corner.
If the position can not be obtained (e.g. a non-embedded plug or missing
support), x and y are set to -1.</doc>
<doc-deprecated xml:space="preserve">Since 2.12. Use atk_component_get_extents() instead.</doc-deprecated>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<doc xml:space="preserve">an #AtkComponent</doc>
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
<parameter name="x" direction="out" caller-allocates="0" transfer-ownership="full" optional="1" allow-none="1">
<doc xml:space="preserve">address of #gint to put x coordinate position</doc>
<type name="gint" c:type="gint*"/>
</parameter>
<parameter name="y" direction="out" caller-allocates="0" transfer-ownership="full" optional="1" allow-none="1">
<doc xml:space="preserve">address of #gint to put y coordinate position</doc>
<type name="gint" c:type="gint*"/>
</parameter>
<parameter name="coord_type" transfer-ownership="none">
<doc xml:space="preserve">specifies whether the coordinates are relative to the screen
or to the components top level window</doc>
<type name="CoordType" c:type="AtkCoordType"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="get_size" invoker="get_size" deprecated="1">
<doc xml:space="preserve">Gets the size of the @component in terms of width and height.
If the size can not be obtained (e.g. a non-embedded plug or missing
support), width and height are set to -1.</doc>
<doc-deprecated xml:space="preserve">Since 2.12. Use atk_component_get_extents() instead.</doc-deprecated>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<doc xml:space="preserve">an #AtkComponent</doc>
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
<parameter name="width" direction="out" caller-allocates="0" transfer-ownership="full" optional="1" allow-none="1">
<doc xml:space="preserve">address of #gint to put width of @component</doc>
<type name="gint" c:type="gint*"/>
</parameter>
<parameter name="height" direction="out" caller-allocates="0" transfer-ownership="full" optional="1" allow-none="1">
<doc xml:space="preserve">address of #gint to put height of @component</doc>
<type name="gint" c:type="gint*"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="grab_focus" invoker="grab_focus">
<doc xml:space="preserve">Grabs focus for this @component.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">%TRUE if successful, %FALSE otherwise.</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<doc xml:space="preserve">an #AtkComponent</doc>
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
</parameters>
</virtual-method>
<virtual-method name="ref_accessible_at_point" invoker="ref_accessible_at_point">
<doc xml:space="preserve">Gets a reference to the accessible child, if one exists, at the
coordinate point specified by @x and @y.</doc>
<return-value transfer-ownership="full" nullable="1">
<doc xml:space="preserve">a reference to the accessible
child, if one exists</doc>
<type name="Object" c:type="AtkObject*"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<doc xml:space="preserve">the #AtkComponent</doc>
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
<parameter name="x" transfer-ownership="none">
<doc xml:space="preserve">x coordinate</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="y" transfer-ownership="none">
<doc xml:space="preserve">y coordinate</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="coord_type" transfer-ownership="none">
<doc xml:space="preserve">specifies whether the coordinates are relative to the screen
or to the components top level window</doc>
<type name="CoordType" c:type="AtkCoordType"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="remove_focus_handler" invoker="remove_focus_handler" deprecated="1" deprecated-version="2.9.4">
<doc xml:space="preserve">Remove the handler specified by @handler_id from the list of
functions to be executed when this object receives focus events
(in or out).</doc>
<doc-deprecated xml:space="preserve">If you need to track when an object gains or
lose the focus, use the #AtkObject::state-change "focused" notification instead.</doc-deprecated>
<return-value transfer-ownership="none">
<type name="none" c:type="void"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<doc xml:space="preserve">the #AtkComponent to remove the focus handler from</doc>
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
<parameter name="handler_id" transfer-ownership="none">
<doc xml:space="preserve">the handler id of the focus handler to be removed
from @component</doc>
<type name="guint" c:type="guint"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="scroll_to" invoker="scroll_to" version="2.30">
<doc xml:space="preserve">Makes @component visible on the screen by scrolling all necessary parents.
Contrary to atk_component_set_position, this does not actually move
@component in its parent, this only makes the parents scroll so that the
object shows up on the screen, given its current position within the parents.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">whether scrolling was successful.</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<doc xml:space="preserve">an #AtkComponent</doc>
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
<parameter name="type" transfer-ownership="none">
<doc xml:space="preserve">specify where the object should be made visible.</doc>
<type name="ScrollType" c:type="AtkScrollType"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="scroll_to_point" invoker="scroll_to_point" version="2.30">
<doc xml:space="preserve">Move the top-left of @component to a given position of the screen by
scrolling all necessary parents.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">whether scrolling was successful.</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<doc xml:space="preserve">an #AtkComponent</doc>
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
<parameter name="coords" transfer-ownership="none">
<doc xml:space="preserve">specify whether coordinates are relative to the screen or to the
parent object.</doc>
<type name="CoordType" c:type="AtkCoordType"/>
</parameter>
<parameter name="x" transfer-ownership="none">
<doc xml:space="preserve">x-position where to scroll to</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="y" transfer-ownership="none">
<doc xml:space="preserve">y-position where to scroll to</doc>
<type name="gint" c:type="gint"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="set_extents" invoker="set_extents">
<doc xml:space="preserve">Sets the extents of @component.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">%TRUE or %FALSE whether the extents were set or not</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<doc xml:space="preserve">an #AtkComponent</doc>
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
<parameter name="x" transfer-ownership="none">
<doc xml:space="preserve">x coordinate</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="y" transfer-ownership="none">
<doc xml:space="preserve">y coordinate</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="width" transfer-ownership="none">
<doc xml:space="preserve">width to set for @component</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="height" transfer-ownership="none">
<doc xml:space="preserve">height to set for @component</doc>
<type name="gint" c:type="gint"/>
</parameter>
<parameter name="coord_type" transfer-ownership="none">
<doc xml:space="preserve">specifies whether the coordinates are relative to the screen
or to the components top level window</doc>
<type name="CoordType" c:type="AtkCoordType"/>
</parameter>
</parameters>
</virtual-method>
<virtual-method name="set_position" invoker="set_position">
<doc xml:space="preserve">Sets the position of @component.
Contrary to atk_component_scroll_to, this does not trigger any scrolling,
this just moves @component in its parent.</doc>
<return-value transfer-ownership="none">
<doc xml:space="preserve">%TRUE or %FALSE whether or not the position was set or not</doc>
<type name="gboolean" c:type="gboolean"/>
</return-value>
<parameters>
<instance-parameter name="component" transfer-ownership="none">
<doc xml:space="preserve">an #AtkComponent</doc>
<type name="Component" c:type="AtkComponent*"/>
</instance-parameter>
<parameter name="x" transfer-ownership="none">
<doc xml:space="preserve">x coordinate</doc>