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GtkRevealer

GtkRevealer — Hide and show with animation

Properties

gboolean child-revealed Read
gboolean reveal-child Read / Write / Construct
guint transition-duration Read / Write / Construct
GtkRevealerTransitionType transition-type Read / Write / Construct

Types and Values

Object Hierarchy

    GObject
    ╰── GInitiallyUnowned
        ╰── GtkWidget
            ╰── GtkContainer
                ╰── GtkBin
                    ╰── GtkRevealer

Implemented Interfaces

GtkRevealer implements AtkImplementorIface and GtkBuildable.

Includes

#include <gtk/gtk.h>

Description

The GtkRevealer widget is a container which animates the transition of its child from invisible to visible.

The style of transition can be controlled with gtk_revealer_set_transition_type().

These animations respect the “gtk-enable-animations” setting.

CSS nodes

GtkRevealer has a single CSS node with name revealer.

The GtkRevealer widget was added in GTK+ 3.10.

Functions

gtk_revealer_new ()

GtkWidget *
gtk_revealer_new (void);

Creates a new GtkRevealer.

Returns

a newly created GtkRevealer

Since: 3.10


gtk_revealer_get_reveal_child ()

gboolean
gtk_revealer_get_reveal_child (GtkRevealer *revealer);

Returns whether the child is currently revealed. See gtk_revealer_set_reveal_child().

This function returns TRUE as soon as the transition is to the revealed state is started. To learn whether the child is fully revealed (ie the transition is completed), use gtk_revealer_get_child_revealed().

Parameters

revealer

a GtkRevealer

 

Returns

TRUE if the child is revealed.

Since: 3.10


gtk_revealer_set_reveal_child ()

void
gtk_revealer_set_reveal_child (GtkRevealer *revealer,
                               gboolean reveal_child);

Tells the GtkRevealer to reveal or conceal its child.

The transition will be animated with the current transition type of revealer .

Parameters

revealer

a GtkRevealer

 

reveal_child

TRUE to reveal the child

 

Since: 3.10


gtk_revealer_get_child_revealed ()

gboolean
gtk_revealer_get_child_revealed (GtkRevealer *revealer);

Returns whether the child is fully revealed, ie wether the transition to the revealed state is completed.

Parameters

revealer

a GtkRevealer

 

Returns

TRUE if the child is fully revealed

Since: 3.10


gtk_revealer_get_transition_duration ()

guint
gtk_revealer_get_transition_duration (GtkRevealer *revealer);

Returns the amount of time (in milliseconds) that transitions will take.

Parameters

revealer

a GtkRevealer

 

Returns

the transition duration

Since: 3.10


gtk_revealer_set_transition_duration ()

void
gtk_revealer_set_transition_duration (GtkRevealer *revealer,
                                      guint duration);

Sets the duration that transitions will take.

Parameters

revealer

a GtkRevealer

 

duration

the new duration, in milliseconds

 

Since: 3.10


gtk_revealer_get_transition_type ()

GtkRevealerTransitionType
gtk_revealer_get_transition_type (GtkRevealer *revealer);

Gets the type of animation that will be used for transitions in revealer .

Parameters

revealer

a GtkRevealer

 

Returns

the current transition type of revealer

Since: 3.10


gtk_revealer_set_transition_type ()

void
gtk_revealer_set_transition_type (GtkRevealer *revealer,
                                  GtkRevealerTransitionType transition);

Sets the type of animation that will be used for transitions in revealer . Available types include various kinds of fades and slides.

Parameters

revealer

a GtkRevealer

 

transition

the new transition type

 

Since: 3.10

Types and Values

struct GtkRevealer

struct GtkRevealer;

struct GtkRevealerClass

struct GtkRevealerClass {
  GtkBinClass parent_class;
};

Members


enum GtkRevealerTransitionType

These enumeration values describe the possible transitions when the child of a GtkRevealer widget is shown or hidden.

Members

GTK_REVEALER_TRANSITION_TYPE_NONE

No transition

 

GTK_REVEALER_TRANSITION_TYPE_CROSSFADE

Fade in

 

GTK_REVEALER_TRANSITION_TYPE_SLIDE_RIGHT

Slide in from the left

 

GTK_REVEALER_TRANSITION_TYPE_SLIDE_LEFT

Slide in from the right

 

GTK_REVEALER_TRANSITION_TYPE_SLIDE_UP

Slide in from the bottom

 

GTK_REVEALER_TRANSITION_TYPE_SLIDE_DOWN

Slide in from the top

 

Property Details

The “child-revealed” property

  “child-revealed”           gboolean

Whether the child is revealed and the animation target reached.

Flags: Read

Default value: FALSE


The “reveal-child” property

  “reveal-child”             gboolean

Whether the container should reveal the child.

Flags: Read / Write / Construct

Default value: FALSE


The “transition-duration” property

  “transition-duration”      guint

The animation duration, in milliseconds.

Flags: Read / Write / Construct

Default value: 250


The “transition-type” property

  “transition-type”          GtkRevealerTransitionType

The type of animation used to transition.

Flags: Read / Write / Construct

Default value: GTK_REVEALER_TRANSITION_TYPE_SLIDE_DOWN

See Also

GtkExpander

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