Paned

open class Paned : Widget, PanedProtocol

GtkPaned has two panes, arranged either horizontally or vertically.

An example GtkPaned

The division between the two panes is adjustable by the user by dragging a handle.

Child widgets are added to the panes of the widget with [methodGtk.Paned.set_start_child] and [methodGtk.Paned.set_end_child]. The division between the two children is set by default from the size requests of the children, but it can be adjusted by the user.

A paned widget draws a separator between the two child widgets and a small handle that the user can drag to adjust the division. It does not draw any relief around the children or around the separator. (The space in which the separator is called the gutter.) Often, it is useful to put each child inside a [classGtk.Frame] so that the gutter appears as a ridge. No separator is drawn if one of the children is missing.

Each child has two options that can be set, resize and shrink. If resize is true, then when the GtkPaned is resized, that child will expand or shrink along with the paned widget. If shrink is true, then that child can be made smaller than its requisition by the user. Setting shrink to false allows the application to set a minimum size. If resize is false for both children, then this is treated as if resize is true for both children.

The application can set the position of the slider as if it were set by the user, by calling [methodGtk.Paned.set_position].

CSS nodes

paned
├── <child>
├── separator[.wide]
╰── <child>

GtkPaned has a main CSS node with name paned, and a subnode for the separator with name separator. The subnode gets a .wide style class when the paned is supposed to be wide.

In horizontal orientation, the nodes are arranged based on the text direction, so in left-to-right mode, :first-child will select the leftmost child, while it will select the rightmost child in RTL layouts.

Creating a paned widget with minimum sizes.

GtkWidget *hpaned = gtk_paned_new (GTK_ORIENTATION_HORIZONTAL);
GtkWidget *frame1 = gtk_frame_new (NULL);
GtkWidget *frame2 = gtk_frame_new (NULL);

gtk_widget_set_size_request (hpaned, 200, -1);

gtk_paned_set_start_child (GTK_PANED (hpaned), frame1);
gtk_paned_set_start_child_resize (GTK_PANED (hpaned), TRUE);
gtk_paned_set_start_child_shrink (GTK_PANED (hpaned), FALSE);
gtk_widget_set_size_request (frame1, 50, -1);

gtk_paned_set_end_child (GTK_PANED (hpaned), frame2);
gtk_paned_set_end_child_resize (GTK_PANED (hpaned), FALSE);
gtk_paned_set_end_child_shrink (GTK_PANED (hpaned), FALSE);
gtk_widget_set_size_request (frame2, 50, -1);

The Paned type acts as a reference-counted owner of an underlying GtkPaned instance. It provides the methods that can operate on this data type through PanedProtocol conformance. Use Paned as a strong reference or owner of a GtkPaned instance.

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  • Designated initialiser from the underlying `C` data type.

    This creates an instance without performing an unbalanced retain i.e., ownership is transferred to the Paned instance.

    Declaration

    Swift

    @inlinable
public init(_ op: UnsafeMutablePointer<GtkPaned>)

    Parameters

    op

    pointer to the underlying object
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  • Designated initialiser from a constant pointer to the underlying C data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to the Paned instance.

    Declaration

    Swift

    @inlinable
public init(_ op: UnsafePointer<GtkPaned>)

    Parameters

    op

    pointer to the underlying object
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  • Optional initialiser from a non-mutating gpointer to the underlying C data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to the Paned instance.

    Declaration

    Swift

    @inlinable
override public init!(gpointer op: gpointer?)

    Parameters

    op

    gpointer to the underlying object
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  • Optional initialiser from a non-mutating gconstpointer to the underlying C data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to the Paned instance.

    Declaration

    Swift

    @inlinable
override public init!(gconstpointer op: gconstpointer?)

    Parameters

    op

    pointer to the underlying object
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  • Optional initialiser from a constant pointer to the underlying C data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to the Paned instance.

    Declaration

    Swift

    @inlinable
public init!(_ op: UnsafePointer<GtkPaned>?)

    Parameters

    op

    pointer to the underlying object
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  • Optional initialiser from the underlying C data type. This creates an instance without performing an unbalanced retain i.e., ownership is transferred to the Paned instance.

    Declaration

    Swift

    @inlinable
public init!(_ op: UnsafeMutablePointer<GtkPaned>?)

    Parameters

    op

    pointer to the underlying object
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  • Designated initialiser from the underlying C data type. Will retain GtkPaned. i.e., ownership is transferred to the Paned instance.

    Declaration

    Swift

    @inlinable
public init(retaining op: UnsafeMutablePointer<GtkPaned>)

    Parameters

    op

    pointer to the underlying object
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  • Reference intialiser for a related type that implements PanedProtocol Will retain GtkPaned.

    Declaration

    Swift

    @inlinable
public init<T>(paned other: T) where T : PanedProtocol

    Parameters

    other

    an instance of a related type that implements PanedProtocol
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  • Unsafe typed initialiser. Do not use unless you know the underlying data type the pointer points to conforms to PanedProtocol.

    Declaration

    Swift

    @inlinable
override public init<T>(cPointer p: UnsafeMutablePointer<T>)

    Parameters

    cPointer

    pointer to the underlying object
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  • Unsafe typed, retaining initialiser. Do not use unless you know the underlying data type the pointer points to conforms to PanedProtocol.

    Declaration

    Swift

    @inlinable
override public init<T>(retainingCPointer cPointer: UnsafeMutablePointer<T>)

    Parameters

    cPointer

    pointer to the underlying object
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  • Unsafe untyped initialiser. Do not use unless you know the underlying data type the pointer points to conforms to PanedProtocol.

    Declaration

    Swift

    @inlinable
override public init(raw p: UnsafeRawPointer)

    Parameters

    p

    raw pointer to the underlying object
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  • Unsafe untyped, retaining initialiser. Do not use unless you know the underlying data type the pointer points to conforms to PanedProtocol.

    Declaration

    Swift

    @inlinable
override public init(retainingRaw raw: UnsafeRawPointer)
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  • Unsafe untyped initialiser. Do not use unless you know the underlying data type the pointer points to conforms to PanedProtocol.

    Declaration

    Swift

    @inlinable
public required init(raw p: UnsafeMutableRawPointer)

    Parameters

    p

    mutable raw pointer to the underlying object
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  • Unsafe untyped, retaining initialiser. Do not use unless you know the underlying data type the pointer points to conforms to PanedProtocol.

    Declaration

    Swift

    @inlinable
required public init(retainingRaw raw: UnsafeMutableRawPointer)

    Parameters

    raw

    mutable raw pointer to the underlying object
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  • Unsafe untyped initialiser. Do not use unless you know the underlying data type the pointer points to conforms to PanedProtocol.

    Declaration

    Swift

    @inlinable
override public init(opaquePointer p: OpaquePointer)

    Parameters

    p

    opaque pointer to the underlying object
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  • Unsafe untyped, retaining initialiser. Do not use unless you know the underlying data type the pointer points to conforms to PanedProtocol.

    Declaration

    Swift

    @inlinable
override public init(retainingOpaquePointer p: OpaquePointer)

    Parameters

    p

    opaque pointer to the underlying object
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  • Creates a new GtkPaned widget.

    Declaration

    Swift

    @inlinable
public init(orientation: GtkOrientation)
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