diff --git a/src/st/st-button.c b/src/st/st-button.c
new file mode 100644
index 0000000..608047a
--- /dev/null
+++ b/src/st/st-button.c
@@ -0,0 +1,867 @@
+/* -*- mode: C; c-file-style: "gnu"; indent-tabs-mode: nil; -*- */
+/*
+ * st-button.c: Plain button actor
+ *
+ * Copyright 2007 OpenedHand
+ * Copyright 2008, 2009 Intel Corporation.
+ * Copyright 2009, 2010 Red Hat, Inc.
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU Lesser General Public License,
+ * version 2.1, as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope it will be useful, but WITHOUT ANY
+ * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
+ * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with this program. If not, see .
+ */
+
+/**
+ * SECTION:st-button
+ * @short_description: Button widget
+ *
+ * A button widget with support for either a text label or icon, toggle mode
+ * and transitions effects between states.
+ */
+
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#include
+#include
+
+#include
+
+#include
+
+#include "st-button.h"
+
+#include "st-icon.h"
+#include "st-enum-types.h"
+#include "st-texture-cache.h"
+#include "st-private.h"
+
+#include "st-widget-accessible.h"
+
+enum
+{
+ PROP_0,
+
+ PROP_LABEL,
+ PROP_ICON_NAME,
+ PROP_BUTTON_MASK,
+ PROP_TOGGLE_MODE,
+ PROP_CHECKED,
+ PROP_PRESSED
+};
+
+enum
+{
+ CLICKED,
+
+ LAST_SIGNAL
+};
+
+struct _StButtonPrivate
+{
+ ClutterInputDevice *device;
+ gchar *text;
+
+ guint button_mask : 3;
+ guint is_toggle : 1;
+
+ guint pressed : 3;
+ guint grabbed : 3;
+ guint is_checked : 1;
+
+ gint spacing;
+};
+
+static guint button_signals[LAST_SIGNAL] = { 0, };
+
+G_DEFINE_TYPE_WITH_PRIVATE (StButton, st_button, ST_TYPE_BIN);
+
+static GType st_button_accessible_get_type (void) G_GNUC_CONST;
+
+static void
+st_button_update_label_style (StButton *button)
+{
+ ClutterActor *label;
+
+ label = st_bin_get_child (ST_BIN (button));
+
+ /* check the child is really a label */
+ if (!CLUTTER_IS_TEXT (label))
+ return;
+
+ _st_set_text_from_style (CLUTTER_TEXT (label), st_widget_get_theme_node (ST_WIDGET (button)));
+}
+
+static void
+st_button_style_changed (StWidget *widget)
+{
+ StButton *button = ST_BUTTON (widget);
+ StButtonPrivate *priv = button->priv;
+ StButtonClass *button_class = ST_BUTTON_GET_CLASS (button);
+ StThemeNode *theme_node = st_widget_get_theme_node (ST_WIDGET (button));
+ double spacing;
+
+ ST_WIDGET_CLASS (st_button_parent_class)->style_changed (widget);
+
+ spacing = 6;
+ st_theme_node_lookup_length (theme_node, "border-spacing", FALSE, &spacing);
+ priv->spacing = (int)(0.5 + spacing);
+
+ /* update the label styling */
+ st_button_update_label_style (button);
+
+ /* run a transition if applicable */
+ if (button_class->transition)
+ {
+ button_class->transition (button);
+ }
+}
+
+static void
+st_button_press (StButton *button,
+ StButtonMask mask)
+{
+ if (button->priv->pressed == 0)
+ st_widget_add_style_pseudo_class (ST_WIDGET (button), "active");
+
+ button->priv->pressed |= mask;
+}
+
+static void
+st_button_release (StButton *button,
+ StButtonMask mask,
+ int clicked_button)
+{
+ button->priv->pressed &= ~mask;
+ if (button->priv->pressed != 0)
+ return;
+
+ st_widget_remove_style_pseudo_class (ST_WIDGET (button), "active");
+
+ if (clicked_button)
+ {
+ if (button->priv->is_toggle)
+ st_button_set_checked (button, !button->priv->is_checked);
+
+ g_signal_emit (button, button_signals[CLICKED], 0, clicked_button);
+ }
+}
+
+static gboolean
+st_button_button_press (ClutterActor *actor,
+ ClutterButtonEvent *event)
+{
+ StButton *button = ST_BUTTON (actor);
+ StButtonMask mask = ST_BUTTON_MASK_FROM_BUTTON (event->button);
+ ClutterInputDevice *device = clutter_event_get_device ((ClutterEvent*) event);
+
+ button->priv->device = device;
+
+ if (button->priv->button_mask & mask)
+ {
+ if (button->priv->grabbed == 0)
+ clutter_input_device_grab (device, actor);
+
+ button->priv->grabbed |= mask;
+ st_button_press (button, mask);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+st_button_button_release (ClutterActor *actor,
+ ClutterButtonEvent *event)
+{
+ StButton *button = ST_BUTTON (actor);
+ StButtonMask mask = ST_BUTTON_MASK_FROM_BUTTON (event->button);
+ ClutterInputDevice *device = clutter_event_get_device ((ClutterEvent*) event);
+
+ if (button->priv->button_mask & mask)
+ {
+ gboolean is_click;
+
+ is_click = button->priv->grabbed && st_widget_get_hover (ST_WIDGET (button));
+ st_button_release (button, mask, is_click ? event->button : 0);
+
+ button->priv->grabbed &= ~mask;
+ if (button->priv->grabbed == 0)
+ clutter_input_device_ungrab (device);
+
+ return TRUE;
+ }
+
+ return FALSE;
+}
+
+static gboolean
+st_button_key_press (ClutterActor *actor,
+ ClutterKeyEvent *event)
+{
+ StButton *button = ST_BUTTON (actor);
+
+ if (button->priv->button_mask & ST_BUTTON_ONE)
+ {
+ if (event->keyval == CLUTTER_KEY_space ||
+ event->keyval == CLUTTER_KEY_Return ||
+ event->keyval == CLUTTER_KEY_KP_Enter)
+ {
+ st_button_press (button, ST_BUTTON_ONE);
+ return TRUE;
+ }
+ }
+
+ return CLUTTER_ACTOR_CLASS (st_button_parent_class)->key_press_event (actor, event);
+}
+
+static gboolean
+st_button_key_release (ClutterActor *actor,
+ ClutterKeyEvent *event)
+{
+ StButton *button = ST_BUTTON (actor);
+
+ if (button->priv->button_mask & ST_BUTTON_ONE)
+ {
+ if (event->keyval == CLUTTER_KEY_space ||
+ event->keyval == CLUTTER_KEY_Return ||
+ event->keyval == CLUTTER_KEY_KP_Enter)
+ {
+ gboolean is_click;
+
+ is_click = (button->priv->pressed & ST_BUTTON_ONE);
+ st_button_release (button, ST_BUTTON_ONE, is_click ? 1 : 0);
+ return TRUE;
+ }
+ }
+
+ return FALSE;
+}
+
+static void
+st_button_key_focus_out (ClutterActor *actor)
+{
+ StButton *button = ST_BUTTON (actor);
+
+ /* If we lose focus between a key press and release, undo the press */
+ if ((button->priv->pressed & ST_BUTTON_ONE) &&
+ !(button->priv->grabbed & ST_BUTTON_ONE))
+ st_button_release (button, ST_BUTTON_ONE, 0);
+
+ CLUTTER_ACTOR_CLASS (st_button_parent_class)->key_focus_out (actor);
+}
+
+static gboolean
+st_button_enter (ClutterActor *actor,
+ ClutterCrossingEvent *event)
+{
+ StButton *button = ST_BUTTON (actor);
+ gboolean ret;
+
+ ret = CLUTTER_ACTOR_CLASS (st_button_parent_class)->enter_event (actor, event);
+
+ if (button->priv->grabbed)
+ {
+ if (st_widget_get_hover (ST_WIDGET (button)))
+ st_button_press (button, button->priv->grabbed);
+ else
+ st_button_release (button, button->priv->grabbed, 0);
+ }
+
+ st_widget_add_accessible_state (ST_WIDGET (button), ATK_STATE_FOCUSED);
+
+ return ret;
+}
+
+static gboolean
+st_button_leave (ClutterActor *actor,
+ ClutterCrossingEvent *event)
+{
+ StButton *button = ST_BUTTON (actor);
+ gboolean ret;
+
+ ret = CLUTTER_ACTOR_CLASS (st_button_parent_class)->leave_event (actor, event);
+
+ if (button->priv->grabbed)
+ {
+ if (st_widget_get_hover (ST_WIDGET (button)))
+ st_button_press (button, button->priv->grabbed);
+ else
+ st_button_release (button, button->priv->grabbed, 0);
+ }
+
+ st_widget_remove_accessible_state (ST_WIDGET (button), ATK_STATE_FOCUSED);
+
+ return ret;
+}
+
+static void
+st_button_set_property (GObject *gobject,
+ guint prop_id,
+ const GValue *value,
+ GParamSpec *pspec)
+{
+ StButton *button = ST_BUTTON (gobject);
+
+ switch (prop_id)
+ {
+ case PROP_LABEL:
+ st_button_set_label (button, g_value_get_string (value));
+ break;
+ case PROP_ICON_NAME:
+ st_button_set_icon_name (button, g_value_get_string (value));
+ break;
+ case PROP_BUTTON_MASK:
+ st_button_set_button_mask (button, g_value_get_flags (value));
+ break;
+ case PROP_TOGGLE_MODE:
+ st_button_set_toggle_mode (button, g_value_get_boolean (value));
+ break;
+ case PROP_CHECKED:
+ st_button_set_checked (button, g_value_get_boolean (value));
+ break;
+
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+st_button_get_property (GObject *gobject,
+ guint prop_id,
+ GValue *value,
+ GParamSpec *pspec)
+{
+ StButtonPrivate *priv = ST_BUTTON (gobject)->priv;
+
+ switch (prop_id)
+ {
+ case PROP_LABEL:
+ g_value_set_string (value, priv->text);
+ break;
+ case PROP_ICON_NAME:
+ g_value_set_string (value, st_button_get_icon_name (ST_BUTTON (gobject)));
+ break;
+ case PROP_BUTTON_MASK:
+ g_value_set_flags (value, priv->button_mask);
+ break;
+ case PROP_TOGGLE_MODE:
+ g_value_set_boolean (value, priv->is_toggle);
+ break;
+ case PROP_CHECKED:
+ g_value_set_boolean (value, priv->is_checked);
+ break;
+ case PROP_PRESSED:
+ g_value_set_boolean (value, priv->pressed != 0);
+ break;
+
+
+ default:
+ G_OBJECT_WARN_INVALID_PROPERTY_ID (gobject, prop_id, pspec);
+ break;
+ }
+}
+
+static void
+st_button_finalize (GObject *gobject)
+{
+ StButtonPrivate *priv = ST_BUTTON (gobject)->priv;
+
+ g_free (priv->text);
+
+ G_OBJECT_CLASS (st_button_parent_class)->finalize (gobject);
+}
+
+static void
+st_button_class_init (StButtonClass *klass)
+{
+ GObjectClass *gobject_class = G_OBJECT_CLASS (klass);
+ ClutterActorClass *actor_class = CLUTTER_ACTOR_CLASS (klass);
+ StWidgetClass *widget_class = ST_WIDGET_CLASS (klass);
+ GParamSpec *pspec;
+
+ gobject_class->set_property = st_button_set_property;
+ gobject_class->get_property = st_button_get_property;
+ gobject_class->finalize = st_button_finalize;
+
+ actor_class->button_press_event = st_button_button_press;
+ actor_class->button_release_event = st_button_button_release;
+ actor_class->key_press_event = st_button_key_press;
+ actor_class->key_release_event = st_button_key_release;
+ actor_class->key_focus_out = st_button_key_focus_out;
+ actor_class->enter_event = st_button_enter;
+ actor_class->leave_event = st_button_leave;
+
+ widget_class->style_changed = st_button_style_changed;
+ widget_class->get_accessible_type = st_button_accessible_get_type;
+
+ pspec = g_param_spec_string ("label",
+ "Label",
+ "Label of the button",
+ NULL, G_PARAM_READWRITE);
+ g_object_class_install_property (gobject_class, PROP_LABEL, pspec);
+
+ pspec = g_param_spec_string ("icon-name",
+ "Icon name",
+ "Icon name of the button",
+ NULL, G_PARAM_READWRITE);
+ g_object_class_install_property (gobject_class, PROP_ICON_NAME, pspec);
+
+ pspec = g_param_spec_flags ("button-mask",
+ "Button mask",
+ "Which buttons trigger the 'clicked' signal",
+ ST_TYPE_BUTTON_MASK, ST_BUTTON_ONE,
+ G_PARAM_READWRITE);
+ g_object_class_install_property (gobject_class, PROP_BUTTON_MASK, pspec);
+
+ pspec = g_param_spec_boolean ("toggle-mode",
+ "Toggle Mode",
+ "Enable or disable toggling",
+ FALSE, G_PARAM_READWRITE);
+ g_object_class_install_property (gobject_class, PROP_TOGGLE_MODE, pspec);
+
+ pspec = g_param_spec_boolean ("checked",
+ "Checked",
+ "Indicates if a toggle button is \"on\""
+ " or \"off\"",
+ FALSE, G_PARAM_READWRITE);
+ g_object_class_install_property (gobject_class, PROP_CHECKED, pspec);
+
+ pspec = g_param_spec_boolean ("pressed",
+ "Pressed",
+ "Indicates if the button is pressed in",
+ FALSE, G_PARAM_READABLE);
+ g_object_class_install_property (gobject_class, PROP_PRESSED, pspec);
+
+
+ /**
+ * StButton::clicked:
+ * @button: the object that received the signal
+ * @clicked_button: the mouse button that was used
+ *
+ * Emitted when the user activates the button, either with a mouse press and
+ * release or with the keyboard.
+ */
+ button_signals[CLICKED] =
+ g_signal_new ("clicked",
+ G_TYPE_FROM_CLASS (klass),
+ G_SIGNAL_RUN_LAST,
+ G_STRUCT_OFFSET (StButtonClass, clicked),
+ NULL, NULL, NULL,
+ G_TYPE_NONE, 1,
+ G_TYPE_INT);
+}
+
+static void
+st_button_init (StButton *button)
+{
+ button->priv = st_button_get_instance_private (button);
+ button->priv->spacing = 6;
+ button->priv->button_mask = ST_BUTTON_ONE;
+
+ clutter_actor_set_reactive (CLUTTER_ACTOR (button), TRUE);
+ st_widget_set_track_hover (ST_WIDGET (button), TRUE);
+}
+
+/**
+ * st_button_new:
+ *
+ * Create a new button
+ *
+ * Returns: a new #StButton
+ */
+StWidget *
+st_button_new (void)
+{
+ return g_object_new (ST_TYPE_BUTTON, NULL);
+}
+
+/**
+ * st_button_new_with_label:
+ * @text: text to set the label to
+ *
+ * Create a new #StButton with the specified label
+ *
+ * Returns: a new #StButton
+ */
+StWidget *
+st_button_new_with_label (const gchar *text)
+{
+ return g_object_new (ST_TYPE_BUTTON, "label", text, NULL);
+}
+
+/**
+ * st_button_get_label:
+ * @button: a #StButton
+ *
+ * Get the text displayed on the button
+ *
+ * Returns: the text for the button. This must not be freed by the application
+ */
+const gchar *
+st_button_get_label (StButton *button)
+{
+ g_return_val_if_fail (ST_IS_BUTTON (button), NULL);
+
+ return button->priv->text;
+}
+
+/**
+ * st_button_set_label:
+ * @button: a #Stbutton
+ * @text: text to set the label to
+ *
+ * Sets the text displayed on the button
+ */
+void
+st_button_set_label (StButton *button,
+ const gchar *text)
+{
+ StButtonPrivate *priv;
+ ClutterActor *label;
+
+ g_return_if_fail (ST_IS_BUTTON (button));
+
+ priv = button->priv;
+
+ g_free (priv->text);
+
+ if (text)
+ priv->text = g_strdup (text);
+ else
+ priv->text = g_strdup ("");
+
+ label = st_bin_get_child (ST_BIN (button));
+
+ if (label && CLUTTER_IS_TEXT (label))
+ {
+ clutter_text_set_text (CLUTTER_TEXT (label), priv->text);
+ }
+ else
+ {
+ label = g_object_new (CLUTTER_TYPE_TEXT,
+ "text", priv->text,
+ "line-alignment", PANGO_ALIGN_CENTER,
+ "ellipsize", PANGO_ELLIPSIZE_END,
+ "use-markup", TRUE,
+ NULL);
+ st_bin_set_child (ST_BIN (button), label);
+ st_widget_set_accessible_name (ST_WIDGET (button), text);
+ }
+
+ /* Fake a style change so that we reset the style properties on the label */
+ st_widget_style_changed (ST_WIDGET (button));
+
+ g_object_notify (G_OBJECT (button), "label");
+}
+
+/**
+ * st_button_get_icon_name:
+ * @button: a #StButton
+ *
+ * Get the icon name of the button. If the button isn't showing an icon,
+ * the return value will be %NULL.
+ *
+ * Returns: (transfer none) (nullable): the icon name of the button
+ */
+const char *
+st_button_get_icon_name (StButton *button)
+{
+ ClutterActor *icon;
+
+ g_return_val_if_fail (ST_IS_BUTTON (button), NULL);
+
+ icon = st_bin_get_child (ST_BIN (button));
+ if (ST_IS_ICON (icon))
+ return st_icon_get_icon_name (ST_ICON (icon));
+ return NULL;
+}
+
+/**
+ * st_button_set_icon_name:
+ * @button: a #Stbutton
+ * @icon_name: an icon name
+ *
+ * Adds an `StIcon` with the given icon name as a child.
+ *
+ * If @button already contains a child actor, that child will
+ * be removed and replaced with the icon.
+ */
+void
+st_button_set_icon_name (StButton *button,
+ const char *icon_name)
+{
+ ClutterActor *icon;
+
+ g_return_if_fail (ST_IS_BUTTON (button));
+ g_return_if_fail (icon_name != NULL);
+
+ icon = st_bin_get_child (ST_BIN (button));
+
+ if (ST_IS_ICON (icon))
+ {
+ st_icon_set_icon_name (ST_ICON (icon), icon_name);
+ }
+ else
+ {
+ icon = g_object_new (ST_TYPE_ICON,
+ "icon-name", icon_name,
+ "x-align", CLUTTER_ACTOR_ALIGN_CENTER,
+ "y-align", CLUTTER_ACTOR_ALIGN_CENTER,
+ NULL);
+ st_bin_set_child (ST_BIN (button), icon);
+ }
+
+ g_object_notify (G_OBJECT (button), "icon-name");
+}
+
+/**
+ * st_button_get_button_mask:
+ * @button: a #StButton
+ *
+ * Gets the mask of mouse buttons that @button emits the
+ * #StButton::clicked signal for.
+ *
+ * Returns: the mask of mouse buttons that @button emits the
+ * #StButton::clicked signal for.
+ */
+StButtonMask
+st_button_get_button_mask (StButton *button)
+{
+ g_return_val_if_fail (ST_IS_BUTTON (button), 0);
+
+ return button->priv->button_mask;
+}
+
+/**
+ * st_button_set_button_mask:
+ * @button: a #Stbutton
+ * @mask: the mask of mouse buttons that @button responds to
+ *
+ * Sets which mouse buttons @button emits #StButton::clicked for.
+ */
+void
+st_button_set_button_mask (StButton *button,
+ StButtonMask mask)
+{
+ g_return_if_fail (ST_IS_BUTTON (button));
+
+ button->priv->button_mask = mask;
+
+ g_object_notify (G_OBJECT (button), "button-mask");
+}
+
+/**
+ * st_button_get_toggle_mode:
+ * @button: a #StButton
+ *
+ * Get the toggle mode status of the button.
+ *
+ * Returns: %TRUE if toggle mode is set, otherwise %FALSE
+ */
+gboolean
+st_button_get_toggle_mode (StButton *button)
+{
+ g_return_val_if_fail (ST_IS_BUTTON (button), FALSE);
+
+ return button->priv->is_toggle;
+}
+
+/**
+ * st_button_set_toggle_mode:
+ * @button: a #Stbutton
+ * @toggle: %TRUE or %FALSE
+ *
+ * Enables or disables toggle mode for the button. In toggle mode, the active
+ * state will be "toggled" when the user clicks the button.
+ */
+void
+st_button_set_toggle_mode (StButton *button,
+ gboolean toggle)
+{
+ g_return_if_fail (ST_IS_BUTTON (button));
+
+ button->priv->is_toggle = toggle;
+
+ g_object_notify (G_OBJECT (button), "toggle-mode");
+}
+
+/**
+ * st_button_get_checked:
+ * @button: a #StButton
+ *
+ * Get the state of the button that is in toggle mode.
+ *
+ * Returns: %TRUE if the button is checked, or %FALSE if not
+ */
+gboolean
+st_button_get_checked (StButton *button)
+{
+ g_return_val_if_fail (ST_IS_BUTTON (button), FALSE);
+
+ return button->priv->is_checked;
+}
+
+/**
+ * st_button_set_checked:
+ * @button: a #Stbutton
+ * @checked: %TRUE or %FALSE
+ *
+ * Sets the pressed state of the button. This is only really useful if the
+ * button has #toggle-mode mode set to %TRUE.
+ */
+void
+st_button_set_checked (StButton *button,
+ gboolean checked)
+{
+ g_return_if_fail (ST_IS_BUTTON (button));
+
+ if (button->priv->is_checked != checked)
+ {
+ button->priv->is_checked = checked;
+
+ st_widget_change_style_pseudo_class (ST_WIDGET (button), "checked", checked);
+ }
+
+ g_object_notify (G_OBJECT (button), "checked");
+}
+
+/**
+ * st_button_fake_release:
+ * @button: an #StButton
+ *
+ * If this widget is holding a pointer grab, this function will
+ * will ungrab it, and reset the pressed state. The effect is
+ * similar to if the user had released the mouse button, but without
+ * emitting the clicked signal.
+ *
+ * This function is useful if for example you want to do something
+ * after the user is holding the mouse button for a given period of
+ * time, breaking the grab.
+ */
+void
+st_button_fake_release (StButton *button)
+{
+ if (button->priv->pressed)
+ st_button_release (button, button->priv->pressed, 0);
+
+ if (button->priv->grabbed)
+ {
+ button->priv->grabbed = 0;
+ if (button->priv->device != NULL)
+ {
+ clutter_input_device_ungrab (button->priv->device);
+ button->priv->device = NULL;
+ }
+ }
+}
+
+/******************************************************************************/
+/*************************** ACCESSIBILITY SUPPORT ****************************/
+/******************************************************************************/
+
+#define ST_TYPE_BUTTON_ACCESSIBLE st_button_accessible_get_type ()
+
+#define ST_BUTTON_ACCESSIBLE(obj) \
+ (G_TYPE_CHECK_INSTANCE_CAST ((obj), \
+ ST_TYPE_BUTTON_ACCESSIBLE, StButtonAccessible))
+
+#define ST_IS_BUTTON_ACCESSIBLE(obj) \
+ (G_TYPE_CHECK_INSTANCE_TYPE ((obj), \
+ ST_TYPE_BUTTON_ACCESSIBLE))
+
+#define ST_BUTTON_ACCESSIBLE_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_CAST ((klass), \
+ ST_TYPE_BUTTON_ACCESSIBLE, StButtonAccessibleClass))
+
+#define ST_IS_BUTTON_ACCESSIBLE_CLASS(klass) \
+ (G_TYPE_CHECK_CLASS_TYPE ((klass), \
+ ST_TYPE_BUTTON_ACCESSIBLE))
+
+#define ST_BUTTON_ACCESSIBLE_GET_CLASS(obj) \
+ (G_TYPE_INSTANCE_GET_CLASS ((obj), \
+ ST_TYPE_BUTTON_ACCESSIBLE, StButtonAccessibleClass))
+
+typedef struct _StButtonAccessible StButtonAccessible;
+typedef struct _StButtonAccessibleClass StButtonAccessibleClass;
+
+struct _StButtonAccessible
+{
+ StWidgetAccessible parent;
+};
+
+struct _StButtonAccessibleClass
+{
+ StWidgetAccessibleClass parent_class;
+};
+
+/* AtkObject */
+static void st_button_accessible_initialize (AtkObject *obj,
+ gpointer data);
+
+G_DEFINE_TYPE (StButtonAccessible, st_button_accessible, ST_TYPE_WIDGET_ACCESSIBLE)
+
+static const gchar *
+st_button_accessible_get_name (AtkObject *obj)
+{
+ StButton *button = NULL;
+ const gchar *name = NULL;
+
+ button = ST_BUTTON (atk_gobject_accessible_get_object (ATK_GOBJECT_ACCESSIBLE (obj)));
+
+ if (button == NULL)
+ return NULL;
+
+ name = ATK_OBJECT_CLASS (st_button_accessible_parent_class)->get_name (obj);
+ if (name != NULL)
+ return name;
+
+ return button->priv->text;
+}
+
+static void
+st_button_accessible_class_init (StButtonAccessibleClass *klass)
+{
+ AtkObjectClass *atk_class = ATK_OBJECT_CLASS (klass);
+
+ atk_class->initialize = st_button_accessible_initialize;
+ atk_class->get_name = st_button_accessible_get_name;
+}
+
+static void
+st_button_accessible_init (StButtonAccessible *self)
+{
+ /* initialization done on AtkObject->initialize */
+}
+
+static void
+st_button_accessible_notify_label_cb (StButton *button,
+ GParamSpec *psec,
+ AtkObject *accessible)
+{
+ g_object_notify (G_OBJECT (accessible), "accessible-name");
+}
+
+static void
+st_button_accessible_initialize (AtkObject *obj,
+ gpointer data)
+{
+ ATK_OBJECT_CLASS (st_button_accessible_parent_class)->initialize (obj, data);
+
+ obj->role = ATK_ROLE_PUSH_BUTTON;
+
+ g_signal_connect (data, "notify::label",
+ G_CALLBACK (st_button_accessible_notify_label_cb), obj);
+}