Creates a new GtkViewport.

The accessible role of the given GtkAccessible implementation.

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

Whether the widget can receive pointer events.

The child widget.

A list of css classes applied to this widget.

The name of this widget in the CSS tree.

The cursor used by @widget.

Whether this widget itself will accept the input focus.

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

Horizontal GtkAdjustment of the scrollable widget.

How to distribute horizontal space if widget gets extra space.

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

Whether to expand horizontally.

Whether to use the hexpand property.

Determines when horizontal scrolling should start.

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

Margin on bottom side of widget.

Margin on end of widget, horizontally.

Margin on start of widget, horizontally.

Margin on top side of widget.

The name of the widget.

The requested opacity of the widget.

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

The parent widget of this widget.

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

The GtkRoot widget of the widget tree containing this widget.

The scale factor of the widget.

Whether to scroll when the focus changes.

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

Sets the text of tooltip to be the given string.

Vertical GtkAdjustment of the scrollable widget.

How to distribute vertical space if widget gets extra space.

Whether to expand vertically.

Whether to use the vexpand property.

Determines when vertical scrolling should start.

Enable or disable an action installed with gtk_widget_class_install_action().

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

Looks up the action in the action groups associated with

Activates the default.activate action from @widget.

Adds @controller to @widget so that it will receive events.

Adds a style class to @widget.

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

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

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

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

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

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

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

Translates the given @point in @widget's coordinates to coordinates relative to @target’s coordinate system.

Computes a matrix suitable to describe a transformation from

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

Emitted when the text direction of a widget changes.

Emitted when @widget is hidden.

Emitted if keyboard navigation fails.

Emitted when @widget is going to be mapped.

Emitted when a widget is activated via a mnemonic.

Emitted when the focus is moved.

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

Emitted when @widget is associated with a GdkSurface.

Emitted when @widget is shown.

Emitted when the widget state changes.

Emitted when @widget is going to be unmapped.

Emitted when the GdkSurface associated with @widget is destroyed.

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

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

Clears the template children for the given widget.

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

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

Retrieves the accessible parent for an accessible object.

Retrieves the accessible role of an accessible object.

Returns the baseline that has currently been allocated to @widget.

Returns the height that has currently been allocated to @widget.

Returns the width that has currently been allocated to @widget.

Gets the first ancestor of @widget with type @widget_type.

Retrieves the accessible implementation for the given GtkAccessible.

Returns the baseline that has currently been allocated to @widget.

Returns the size of a non-scrolling border around the outside of the scrollable.

Gets the ID of the @buildable object.

Determines whether the input focus can enter @widget or any of its children.

Queries whether @widget can be the target of pointer events.

Gets the child widget of @viewport.

Gets the value set with gtk_widget_set_child_visible().

Gets the clipboard object for @widget.

Gets the current foreground color for the widget’s CSS style.

Returns the list of style classes applied to @widget.

Returns the CSS name that is used for @self.

Queries the cursor set on @widget.

Gets the reading direction for a particular widget.

Get the GdkDisplay for the toplevel window associated with this widget.

Retrieves the first accessible child of an accessible object.

Returns the widget’s first child.

Determines whether @widget can own the input focus.

Returns the current focus child of @widget.

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

Gets the font map of @widget.

Obtains the frame clock for a widget.

Retrieves the GtkAdjustment used for horizontal scrolling.

Gets the horizontal alignment of @widget.

Returns the current value of the has-tooltip property.

Returns the content height of the widget.

Gets whether the widget would like any available extra horizontal space.

Gets whether gtk_widget_set_hexpand() has been used to explicitly set the expand flag on this widget.

Gets the horizontal GtkScrollablePolicy.

Returns the widget’s last child.

Retrieves the layout manager used by @widget.

Whether the widget is mapped.

Gets the bottom margin of @widget.

Gets the end margin of @widget.

Gets the start margin of @widget.

Gets the top margin of @widget.

Retrieves the name of a widget.

Returns the nearest GtkNative ancestor of @widget.

Retrieves the next accessible sibling of an accessible object

Returns the widget’s next sibling.

#Fetches the requested opacity for this widget.

Returns the widget’s overflow value.

Returns the parent widget of @widget.

Query a platform state, such as focus.

Retrieves the minimum and natural size of a widget, taking into account the widget’s preference for height-for-width management.

Returns the widget’s previous sibling.

Gets the primary clipboard of @widget.

Determines whether @widget is realized.

Determines whether @widget is always treated as the default widget within its toplevel when it has the focus, even if another widget is the default.

Gets whether the widget prefers a height-for-width layout or a width-for-height layout.

Returns the GtkRoot widget of @widget.

Retrieves the internal scale factor that maps from window coordinates to the actual device pixels.

Gets whether the viewport is scrolling to keep the focused child in view.

Returns the widget’s sensitivity.

Gets the settings object holding the settings used for this widget.

Returns the content width or height of the widget.

Returns the widget state as a flag set.

Returns the style context associated to @widget.

Fetch an object build from the template XML for @widget_type in this @widget instance.

Gets the contents of the tooltip for @widget.

Gets the contents of the tooltip for @widget.

Retrieves the GtkAdjustment used for vertical scrolling.

Gets the vertical alignment of @widget.

Gets whether the widget would like any available extra vertical space.

Gets whether gtk_widget_set_vexpand() has been used to explicitly set the expand flag on this widget.

Determines whether the widget is visible.

Gets the vertical GtkScrollablePolicy.

Returns the content width of the widget.

Causes @widget to have the keyboard focus for the GtkWindow it's inside.

Returns whether @css_class is currently applied to @widget.

Determines whether @widget is the current default widget within its toplevel.

Determines if the widget has the global input focus.

Determines if the widget should show a visible indication that it has the global input focus.

Reverses the effects of gtk_widget_show().

Returns whether the widget is currently being destroyed.

Creates and initializes child widgets defined in templates.

Inserts @group into @widget.

Inserts @widget into the child widget list of @parent.

Inserts @widget into the child widget list of @parent.

Determines whether @widget is somewhere inside @ancestor, possibly with intermediate containers.

Determines whether @widget can be drawn to.

Determines if the widget is the focus widget within its toplevel.

Returns the widget’s effective sensitivity.

Determines whether the widget and all its parents are marked as visible.

Emits the ::keynav-failed signal on the widget.

Returns the widgets for which this widget is the target of a mnemonic.

Causes a widget to be mapped if it isn’t already.

Emits the ::mnemonic-activate signal.

Returns a GListModel to track the children of @widget.

Returns a GListModel to track the class@Gtk.EventControllers of @widget.

Finds the descendant of @widget closest to the point (@x, @y).

Flags the widget for a rerun of the vfunc@Gtk.Widget.size_allocate function.

Schedules this widget to be redrawn in the paint phase of the current or the next frame.

Flags a widget to have its size renegotiated.

Creates the GDK resources associated with a widget.

Removes @controller from @widget, so that it doesn't process events anymore.

Removes a style from @widget.

Removes a widget from the list of mnemonic labels for this widget.

Removes a tick callback previously registered with gtk_widget_add_tick_callback().

Resets the accessible @property to its default value.

Resets the accessible @relation to its default value.

Resets the accessible @state to its default value.

Scrolls a descendant of the viewport into view.

Sets the parent and sibling of an accessible object.

Specifies whether the input focus can enter the widget or any of its children.

Sets whether @widget can be the target of pointer events.

Sets the child widget of @viewport.

Sets whether @widget should be mapped along with its parent.

Clear all style classes applied to @widget and replace them with @classes.

Sets the cursor to be shown when pointer devices point towards @widget.

Sets a named cursor to be shown when pointer devices point towards @widget.

Sets the reading direction on a particular widget.

Specifies whether @widget can own the input focus.

Set @child as the current focus child of @widget.

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

Sets the font map to use for Pango rendering.

Sets the horizontal adjustment of the GtkScrollable.

Sets the horizontal alignment of @widget.

Sets the has-tooltip property on @widget to @has_tooltip.

Sets whether the widget would like any available extra horizontal space.

Sets whether the hexpand flag will be used.

Sets the GtkScrollablePolicy.

Sets the layout manager delegate instance that provides an implementation for measuring and allocating the children of @widget.

Sets the bottom margin of @widget.

Sets the end margin of @widget.

Set all margins to the same value.

Set start and end margin to horizontal and top and bottom margin to vertical

Set margins.

Sets the start margin of @widget.

Sets the top margin of @widget.

Sets a widgets name.

Request the @widget to be rendered partially transparent.

Sets how @widget treats content that is drawn outside the widget's content area.

Sets @parent as the parent widget of @widget.

Specifies whether @widget will be treated as the default widget within its toplevel when it has the focus, even if another widget is the default.

Sets whether the viewport should automatically scroll to keep the focused child in view.

Sets the sensitivity of a widget.

Sets the minimum size of a widget.

Turns on flag values in the current widget state.

Sets @markup as the contents of the tooltip, which is marked up with Pango markup.

Sets @text as the contents of the tooltip.

Sets the vertical adjustment of the GtkScrollable.

Sets the vertical alignment of @widget.

Sets whether the widget would like any available extra vertical space.

Sets whether the vexpand flag will be used.

Sets the visibility state of @widget.

Sets the GtkScrollablePolicy.

Returns whether @widget should contribute to the measuring and allocation of its parent.

Flags a widget to be displayed.

Triggers a tooltip query on the display where the toplevel of @widget is located.

Causes a widget to be unmapped if it’s currently mapped.

Dissociate @widget from its parent.

Causes a widget to be unrealized (frees all GDK resources associated with the widget).

Turns off flag values for the current widget state.