### Class

# Gtk Calendar

since: 4.0

#### Description [src]

    final class Gtk.Calendar : Gtk.Widget
      implements Gtk.Accessible, Gtk.Buildable, Gtk.ConstraintTarget {
      /* No available fields */
    }

`GtkCalendar` is a widget that displays a Gregorian calendar, one month at a time.

A `GtkCalendar` can be created with `gtk_calendar_new()`.

The date that is currently displayed can be altered with `gtk_calendar_select_day()`.

To place a visual marker on a particular day, use `gtk_calendar_mark_day()` and to remove the marker, `gtk_calendar_unmark_day()`. Alternative, all marks can be cleared with `gtk_calendar_clear_marks()`.

The selected date can be retrieved from a `GtkCalendar` using `gtk_calendar_get_date()`.

Users should be aware that, although the Gregorian calendar is the legal calendar in most countries, it was adopted progressively between 1582 and 1929. Display before these dates is likely to be historically incorrect.

# CSS nodes

    calendar.view
    ├── header
    │   ├── button
    │   ├── stack.month
    │   ├── button
    │   ├── button
    │   ├── label.year
    │   ╰── button
    ╰── grid
        ╰── label[.day-name][.week-number][.day-number][.other-month][.today]

`GtkCalendar` has a main node with name calendar. It contains a subnode called header containing the widgets for switching between years and months.

The grid subnode contains all day labels, including week numbers on the left (marked with the .week-number css class) and day names on top (marked with the .day-name css class).

Day labels that belong to the previous or next month get the .other-month style class. The label of the current day get the .today style class.

Marked day labels get the :selected state assigned.

Available since: 4.0

#### Ancestors

- GtkWidget
- GInitiallyUnowned
- GObject

#### Implements

- GtkAccessible
- GtkBuildable
- GtkConstraintTarget

#### Constructors

###### gtk_calendar_new

Creates a new calendar, with the current date being selected.

since: 4.0

#### Instance methods

###### gtk_calendar_clear_marks

Remove all visual markers.

since: 4.0

###### gtk_calendar_get_date

Returns a `GDateTime` representing the shown year, month and the selected day.

since: 4.0

###### gtk_calendar_get_day

Gets the day of the selected date.

since: 4.14

###### gtk_calendar_get_day_is_marked

Returns if the `day` of the `calendar` is already marked.

since: 4.0

###### gtk_calendar_get_month

Gets the month of the selected date.

since: 4.14

###### gtk_calendar_get_show_day_names

Returns whether `self` is currently showing the names of the week days.

since: 4.0

###### gtk_calendar_get_show_heading

Returns whether `self` is currently showing the heading.

since: 4.0

###### gtk_calendar_get_show_week_numbers

Returns whether `self` is showing week numbers right now.

since: 4.0

###### gtk_calendar_get_year

Gets the year of the selected date.

since: 4.14

###### gtk_calendar_mark_day

Places a visual marker on a particular day of the current month.

since: 4.0

###### gtk_calendar_select_day

Switches to `date`‘s year and month and select its day.

since: 4.0

###### gtk_calendar_set_day

Sets the day for the selected date.

since: 4.14

###### gtk_calendar_set_month

Sets the month for the selected date.

since: 4.14

###### gtk_calendar_set_show_day_names

Sets whether the calendar shows day names.

since: 4.0

###### gtk_calendar_set_show_heading

Sets whether the calendar should show a heading.

since: 4.0

###### gtk_calendar_set_show_week_numbers

Sets whether week numbers are shown in the calendar.

since: 4.0

###### gtk_calendar_set_year

Sets the year for the selected date.

since: 4.14

###### gtk_calendar_unmark_day

Removes the visual marker from a particular day.

since: 4.0

##### Methods inherited from GtkWidget (162)

Please see GtkWidget for a full list of methods.

##### Methods inherited from GObject (43)

Please see GObject for a full list of methods.

##### Methods inherited from GtkAccessible (19)

###### gtk_accessible_announce

Requests the user’s screen reader to announce the given message.

since: 4.14

###### gtk_accessible_get_accessible_parent

Retrieves the accessible parent for an accessible object.

since: 4.10

###### gtk_accessible_get_accessible_role

Retrieves the accessible role of an accessible object.

since: 4.0

###### gtk_accessible_get_at_context

Retrieves the accessible implementation for the given `GtkAccessible`.

since: 4.10

###### gtk_accessible_get_bounds

Queries the coordinates and dimensions of this accessible.

since: 4.10

###### gtk_accessible_get_first_accessible_child

Retrieves the first accessible child of an accessible object.

since: 4.10

###### gtk_accessible_get_next_accessible_sibling

Retrieves the next accessible sibling of an accessible object.

since: 4.10

###### gtk_accessible_get_platform_state

Query a platform state, such as focus.

since: 4.10

###### gtk_accessible_reset_property

Resets the accessible `property` to its default value.

since: 4.0

###### gtk_accessible_reset_relation

Resets the accessible `relation` to its default value.

since: 4.0

###### gtk_accessible_reset_state

Resets the accessible `state` to its default value.

since: 4.0

###### gtk_accessible_set_accessible_parent

Sets the parent and sibling of an accessible object.

since: 4.10

###### gtk_accessible_update_next_accessible_sibling

Updates the next accessible sibling of `self`.

since: 4.10

###### gtk_accessible_update_property

Updates a list of accessible properties.

since: 4.0

###### gtk_accessible_update_property_value

Updates an array of accessible properties.

since: 4.0

###### gtk_accessible_update_relation

Updates a list of accessible relations.

since: 4.0

###### gtk_accessible_update_relation_value

Updates an array of accessible relations.

since: 4.0

###### gtk_accessible_update_state

Updates a list of accessible states. See the `GtkAccessibleState` documentation for the value types of accessible states.

since: 4.0

###### gtk_accessible_update_state_value

Updates an array of accessible states.

since: 4.0

##### Methods inherited from GtkBuildable (1)

###### gtk_buildable_get_buildable_id

Gets the ID of the `buildable` object.

since: 4.0

#### Properties

###### Gtk.Calendar:day

The selected day (as a number between 1 and 31).

since: 4.0

###### Gtk.Calendar:month

The selected month (as a number between 0 and 11).

since: 4.0

###### Gtk.Calendar:show-day-names

Determines whether day names are displayed.

since: 4.0

###### Gtk.Calendar:show-heading

Determines whether a heading is displayed.

since: 4.0

###### Gtk.Calendar:show-week-numbers

Determines whether week numbers are displayed.

since: 4.0

###### Gtk.Calendar:year

The selected year.

since: 4.0

##### Properties inherited from GtkWidget (34)

###### Gtk.Widget:can-focus

Whether the widget or any of its descendents can accept the input focus.

since: 4.0

###### Gtk.Widget:can-target

Whether the widget can receive pointer events.

since: 4.0

###### Gtk.Widget:css-classes

A list of css classes applied to this widget.

since: 4.0

###### Gtk.Widget:css-name

The name of this widget in the CSS tree.

since: 4.0

###### Gtk.Widget:cursor

The cursor used by `widget`.

since: 4.0

###### Gtk.Widget:focus-on-click

Whether the widget should grab focus when it is clicked with the mouse.

since: 4.0

###### Gtk.Widget:focusable

Whether this widget itself will accept the input focus.

since: 4.0

###### Gtk.Widget:halign

How to distribute horizontal space if widget gets extra space.

since: 4.0

###### Gtk.Widget:has-default

Whether the widget is the default widget.

since: 4.0

###### Gtk.Widget:has-focus

Whether the widget has the input focus.

since: 4.0

###### Gtk.Widget:has-tooltip

Enables or disables the emission of the ::query-tooltip signal on `widget`.

since: 4.0

###### Gtk.Widget:height-request

Override for height request of the widget.

since: 4.0

###### Gtk.Widget:hexpand

Whether to expand horizontally.

since: 4.0

###### Gtk.Widget:hexpand-set

Whether to use the `hexpand` property.

since: 4.0

###### Gtk.Widget:layout-manager

The `GtkLayoutManager` instance to use to compute the preferred size of the widget, and allocate its children.

since: 4.0

###### Gtk.Widget:margin-bottom

Margin on bottom side of widget.

since: 4.0

###### Gtk.Widget:margin-end

Margin on end of widget, horizontally.

since: 4.0

###### Gtk.Widget:margin-start

Margin on start of widget, horizontally.

since: 4.0

###### Gtk.Widget:margin-top

Margin on top side of widget.

since: 4.0

###### Gtk.Widget:name

The name of the widget.

since: 4.0

###### Gtk.Widget:opacity

The requested opacity of the widget.

since: 4.0

###### Gtk.Widget:overflow

How content outside the widget’s content area is treated.

since: 4.0

###### Gtk.Widget:parent

The parent widget of this widget.

since: 4.0

###### Gtk.Widget:receives-default

Whether the widget will receive the default action when it is focused.

since: 4.0

###### Gtk.Widget:root

The `GtkRoot` widget of the widget tree containing this widget.

since: 4.0

###### Gtk.Widget:scale-factor

The scale factor of the widget.

since: 4.0

###### Gtk.Widget:sensitive

Whether the widget responds to input.

since: 4.0

###### Gtk.Widget:tooltip-markup

Sets the text of tooltip to be the given string, which is marked up with Pango markup.

since: 4.0

###### Gtk.Widget:tooltip-text

Sets the text of tooltip to be the given string.

since: 4.0

###### Gtk.Widget:valign

How to distribute vertical space if widget gets extra space.

since: 4.0

###### Gtk.Widget:vexpand

Whether to expand vertically.

since: 4.0

###### Gtk.Widget:vexpand-set

Whether to use the `vexpand` property.

since: 4.0

###### Gtk.Widget:visible

Whether the widget is visible.

since: 4.0

###### Gtk.Widget:width-request

Override for width request of the widget.

since: 4.0

##### Properties inherited from GtkAccessible (1)

###### GtkAccessible:accessible-role

The accessible role of the given `GtkAccessible` implementation.

since: 4.0

#### Signals

###### Gtk.Calendar::day-selected

Emitted when the user selects a day.

since: 4.0

###### Gtk.Calendar::next-month

Emitted when the user switched to the next month.

since: 4.0

###### Gtk.Calendar::next-year

Emitted when user switched to the next year.

since: 4.0

###### Gtk.Calendar::prev-month

Emitted when the user switched to the previous month.

since: 4.0

###### Gtk.Calendar::prev-year

Emitted when user switched to the previous year.

since: 4.0

##### Signals inherited from GtkWidget (13)

###### GtkWidget::destroy

Signals that all holders of a reference to the widget should release the reference that they hold.

since: 4.0

###### GtkWidget::direction-changed

Emitted when the text direction of a widget changes.

since: 4.0

###### GtkWidget::hide

Emitted when `widget` is hidden.

since: 4.0

###### GtkWidget::keynav-failed

Emitted if keyboard navigation fails.

since: 4.0

###### GtkWidget::map

Emitted when `widget` is going to be mapped.

since: 4.0

###### GtkWidget::mnemonic-activate

Emitted when a widget is activated via a mnemonic.

since: 4.0

###### GtkWidget::move-focus

Emitted when the focus is moved.

since: 4.0

###### GtkWidget::query-tooltip

Emitted when the widget’s tooltip is about to be shown.

since: 4.0

###### GtkWidget::realize

Emitted when `widget` is associated with a `GdkSurface`.

since: 4.0

###### GtkWidget::show

Emitted when `widget` is shown.

since: 4.0

###### GtkWidget::state-flags-changed

Emitted when the widget state changes.

since: 4.0

###### GtkWidget::unmap

Emitted when `widget` is going to be unmapped.

since: 4.0

###### GtkWidget::unrealize

Emitted when the `GdkSurface` associated with `widget` is destroyed.

since: 4.0

##### Signals inherited from GObject (1)

###### GObject::notify

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

since: 2.0