Class

GtkFontButton

Description [src]

final class Gtk.FontButton : Gtk.Widget {
  /* No available fields */
}

The GtkFontButton allows to open a font chooser dialog to change the font.

An example GtkFontButton

It is suitable widget for selecting a font in a preference dialog.

CSS nodes

fontbutton
╰── button.font
    ╰── [content]

GtkFontButton has a single CSS node with name fontbutton which contains a button node with the .font style class.

Hierarchy

hierarchy this GtkFontButton implements_0 GtkAccessible this--implements_0 implements_1 GtkBuildable this--implements_1 implements_2 GtkConstraintTarget this--implements_2 implements_3 GtkFontChooser this--implements_3 ancestor_0 GtkWidget ancestor_0--this ancestor_1 GInitiallyUnowned ancestor_1--ancestor_0 ancestor_2 GObject ancestor_2--ancestor_1

Constructors

gtk_font_button_new

Creates a new font picker widget.

gtk_font_button_new_with_font

Creates a new font picker widget showing the given font.

Instance methods

gtk_font_button_get_modal

Gets whether the dialog is modal.

gtk_font_button_get_title

Retrieves the title of the font chooser dialog.

gtk_font_button_get_use_font

Returns whether the selected font is used in the label.

gtk_font_button_get_use_size

Returns whether the selected size is used in the label.

gtk_font_button_set_modal

Sets whether the dialog should be modal.

gtk_font_button_set_title

Sets the title for the font chooser dialog.

gtk_font_button_set_use_font

If use_font is TRUE, the font name will be written using the selected font.

gtk_font_button_set_use_size

If use_size is TRUE, the font name will be written using the selected size.

Methods inherited from GtkWidget (159)
gtk_widget_action_set_enabled

Enable or disable an action installed with gtk_widget_class_install_action().

gtk_widget_activate

For widgets that can be “activated” (buttons, menu items, etc.), this function activates them.

gtk_widget_activate_action

Looks up the action in the action groups associated with widget and its ancestors, and activates it.

gtk_widget_activate_action_variant

Looks up the action in the action groups associated with widget and its ancestors, and activates it.

gtk_widget_activate_default

Activates the default.activate action from widget.

gtk_widget_add_controller

Adds controller to widget so that it will receive events.

gtk_widget_add_css_class

Adds a style class to widget.

gtk_widget_add_mnemonic_label

Adds a widget to the list of mnemonic labels for this widget.

gtk_widget_add_tick_callback

Queues an animation frame update and adds a callback to be called before each frame.

gtk_widget_allocate

This function is only used by GtkWidget subclasses, to assign a size, position and (optionally) baseline to their child widgets.

gtk_widget_child_focus

Called by widgets as the user moves around the window using keyboard shortcuts.

gtk_widget_compute_bounds

Computes the bounds for widget in the coordinate space of target.

gtk_widget_compute_expand

Computes whether a container should give this widget extra space when possible.

gtk_widget_compute_point

Translates the given point in widgets coordinates to coordinates relative to target’s coordinate system.

gtk_widget_compute_transform

Computes a matrix suitable to describe a transformation from widgets coordinate system into targets coordinate system.

gtk_widget_contains

Tests if the point at (x, y) is contained in widget.

gtk_widget_create_pango_context

Creates a new PangoContext with the appropriate font map, font options, font description, and base direction for drawing text for this widget.

gtk_widget_create_pango_layout

Creates a new PangoLayout with the appropriate font map, font description, and base direction for drawing text for this widget.

gtk_drag_check_threshold

Checks to see if a drag movement has passed the GTK drag threshold.

gtk_widget_error_bell

Notifies the user about an input-related error on this widget.

gtk_widget_get_allocated_baseline

Returns the baseline that has currently been allocated to widget.

gtk_widget_get_allocated_height

Returns the height that has currently been allocated to widget.

gtk_widget_get_allocated_width

Returns the width that has currently been allocated to widget.

Methods inherited from GObject (42)
Methods inherited from GtkAccessible (10)
gtk_accessible_get_accessible_role

Retrieves the GtkAccessibleRole for the given GtkAccessible.

gtk_accessible_reset_property

Resets the accessible property to its default value.

gtk_accessible_reset_relation

Resets the accessible relation to its default value.

gtk_accessible_reset_state

Resets the accessible state to its default value.

gtk_accessible_update_property

Updates a list of accessible properties.

gtk_accessible_update_property_value

Updates an array of accessible properties.

gtk_accessible_update_relation

Updates a list of accessible relations.

gtk_accessible_update_relation_value

Updates an array of accessible relations.

gtk_accessible_update_state

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

gtk_accessible_update_state_value

Updates an array of accessible states.

Methods inherited from GtkBuildable (1)
gtk_buildable_get_buildable_id

Gets the ID of the buildable object.

Methods inherited from GtkFontChooser (19)
gtk_font_chooser_get_font

Gets the currently-selected font name.

gtk_font_chooser_get_font_desc

Gets the currently-selected font.

gtk_font_chooser_get_font_face

Gets the PangoFontFace representing the selected font group details (i.e. family, slant, weight, width, etc).

gtk_font_chooser_get_font_family

Gets the PangoFontFamily representing the selected font family.

gtk_font_chooser_get_font_features

Gets the currently-selected font features.

gtk_font_chooser_get_font_map

Gets the custom font map of this font chooser widget, or NULL if it does not have one.

gtk_font_chooser_get_font_size

The selected font size.

gtk_font_chooser_get_language

Gets the language that is used for font features.

gtk_font_chooser_get_level

Returns the current level of granularity for selecting fonts.

gtk_font_chooser_get_preview_text

Gets the text displayed in the preview area.

gtk_font_chooser_get_show_preview_entry

Returns whether the preview entry is shown or not.

gtk_font_chooser_set_filter_func

Adds a filter function that decides which fonts to display in the font chooser.

gtk_font_chooser_set_font

Sets the currently-selected font.

gtk_font_chooser_set_font_desc

Sets the currently-selected font from font_desc.

gtk_font_chooser_set_font_map

Sets a custom font map to use for this font chooser widget.

gtk_font_chooser_set_language

Sets the language to use for font features.

gtk_font_chooser_set_level

Sets the desired level of granularity for selecting fonts.

gtk_font_chooser_set_preview_text

Sets the text displayed in the preview area.

gtk_font_chooser_set_show_preview_entry

Shows or hides the editable preview entry.

Properties

Gtk.FontButton:modal

Whether the font chooser dialog should be modal.

Gtk.FontButton:title

The title of the font chooser dialog.

Gtk.FontButton:use-font

Whether the buttons label will be drawn in the selected font.

Gtk.FontButton:use-size

Whether the buttons label will use the selected font size.

Properties inherited from GtkWidget (34)
Gtk.Widget:can-focus

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

Gtk.Widget:can-target

Whether the widget can receive pointer events.

Gtk.Widget:css-classes

A list of css classes applied to this widget.

Gtk.Widget:css-name

The name of this widget in the CSS tree.

Gtk.Widget:cursor

The cursor used by widget.

Gtk.Widget:focus-on-click

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

Gtk.Widget:focusable

Whether this widget itself will accept the input focus.

Gtk.Widget:halign

How to distribute horizontal space if widget gets extra space.

Gtk.Widget:has-default

Whether the widget is the default widget.

Gtk.Widget:has-focus

Whether the widget has the input focus.

Gtk.Widget:has-tooltip

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

Gtk.Widget:height-request

Override for height request of the widget.

Gtk.Widget:hexpand

Whether to expand horizontally.

Gtk.Widget:hexpand-set

Whether to use the hexpand property.

Gtk.Widget:layout-manager

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

Gtk.Widget:margin-bottom

Margin on bottom side of widget.

Gtk.Widget:margin-end

Margin on end of widget, horizontally.

Gtk.Widget:margin-start

Margin on start of widget, horizontally.

Gtk.Widget:margin-top

Margin on top side of widget.

Gtk.Widget:name

The name of the widget.

Gtk.Widget:opacity

The requested opacity of the widget.

Gtk.Widget:overflow

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

Gtk.Widget:parent

The parent widget of this widget.

Gtk.Widget:receives-default

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

Gtk.Widget:root

The GtkRoot widget of the widget tree containing this widget.

Gtk.Widget:scale-factor

The scale factor of the widget.

Gtk.Widget:sensitive

Whether the widget responds to input.

Gtk.Widget:tooltip-markup

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

Gtk.Widget:tooltip-text

Sets the text of tooltip to be the given string.

Gtk.Widget:valign

How to distribute vertical space if widget gets extra space.

Gtk.Widget:vexpand

Whether to expand vertically.

Gtk.Widget:vexpand-set

Whether to use the vexpand property.

Gtk.Widget:visible

Whether the widget is visible.

Gtk.Widget:width-request

Override for width request of the widget.

Properties inherited from GtkAccessible (1)
Gtk.Accessible:accessible-role

The accessible role of the given GtkAccessible implementation.

Properties inherited from GtkFontChooser (7)
Gtk.FontChooser:font

The font description as a string, e.g. “Sans Italic 12”.

Gtk.FontChooser:font-desc

The font description as a PangoFontDescription.

Gtk.FontChooser:font-features

The selected font features.

Gtk.FontChooser:language

The language for which the font features were selected.

Gtk.FontChooser:level

The level of granularity to offer for selecting fonts.

Gtk.FontChooser:preview-text

The string with which to preview the font.

Gtk.FontChooser:show-preview-entry

Whether to show an entry to change the preview text.

Signals

Gtk.FontButton::activate

Emitted to when the font button is activated.

Available since: 4.4

Gtk.FontButton::font-set

Emitted when the user selects a font.

Signals inherited from GtkWidget (13)
Gtk.Widget::destroy

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

Gtk.Widget::direction-changed

Emitted when the text direction of a widget changes.

Gtk.Widget::hide

Emitted when widget is hidden.

Gtk.Widget::keynav-failed

Emitted if keyboard navigation fails.

Gtk.Widget::map

Emitted when widget is going to be mapped.

Gtk.Widget::mnemonic-activate

Emitted when a widget is activated via a mnemonic.

Gtk.Widget::move-focus

Emitted when the focus is moved.

Gtk.Widget::query-tooltip

Emitted when the widgets tooltip is about to be shown.

Gtk.Widget::realize

Emitted when widget is associated with a GdkSurface.

Gtk.Widget::show

Emitted when widget is shown.

Gtk.Widget::state-flags-changed

Emitted when the widget state changes.

Gtk.Widget::unmap

Emitted when widget is going to be unmapped.

Gtk.Widget::unrealize

Emitted when the GdkSurface associated with widget is destroyed.

Signals inherited from GObject (1)
Signals inherited from GtkFontChooser (1)
Gtk.FontChooser::font-activated

Emitted when a font is activated.