static void
gail_spin_button_real_initialize (AtkObject *obj,
gpointer data)
{
GtkAdjustment *adjustment;
GailSpinButton *spin_button = GAIL_SPIN_BUTTON (obj);
GtkSpinButton *gtk_spin_button;
ATK_OBJECT_CLASS (gail_spin_button_parent_class)->initialize (obj, data);
gtk_spin_button = GTK_SPIN_BUTTON (data);
/*
* If a GtkAdjustment already exists for the spin_button,
* create the GailAdjustment
*/
adjustment = gtk_spin_button_get_adjustment (gtk_spin_button);
if (adjustment)
{
spin_button->adjustment = gail_adjustment_new (adjustment);
g_signal_connect (adjustment,
"value-changed",
G_CALLBACK (gail_spin_button_value_changed),
obj);
}
else
spin_button->adjustment = NULL;
obj->role = ATK_ROLE_SPIN_BUTTON;
}
static void
gail_spin_button_real_notify_gtk (GObject *obj,
GParamSpec *pspec)
{
GtkWidget *widget = GTK_WIDGET (obj);
GailSpinButton *spin_button = GAIL_SPIN_BUTTON (gtk_widget_get_accessible (widget));
if (strcmp (pspec->name, "adjustment") == 0)
{
/*
* Get rid of the GailAdjustment for the GtkAdjustment
* which was associated with the spin_button.
*/
GtkSpinButton* gtk_spin_button;
if (spin_button->adjustment)
{
g_object_unref (spin_button->adjustment);
spin_button->adjustment = NULL;
}
/*
* Create the GailAdjustment when notify for "adjustment" property
* is received
*/
gtk_spin_button = GTK_SPIN_BUTTON (widget);
spin_button->adjustment = gail_adjustment_new (gtk_spin_button->adjustment);
g_signal_connect (gtk_spin_button->adjustment,
"value-changed",
G_CALLBACK (gail_spin_button_value_changed),
spin_button);
}
else
GAIL_WIDGET_CLASS (gail_spin_button_parent_class)->notify_gtk (obj, pspec);
}
static void
gail_spin_button_finalize (GObject *object)
{
GailSpinButton *spin_button = GAIL_SPIN_BUTTON (object);
if (spin_button->adjustment)
{
g_object_unref (spin_button->adjustment);
spin_button->adjustment = NULL;
}
G_OBJECT_CLASS (gail_spin_button_parent_class)->finalize (object);
}
static void
gail_spin_button_value_changed (GtkAdjustment *adjustment,
gpointer data)
{
GailSpinButton *spin_button;
gail_return_if_fail (adjustment != NULL);
gail_return_if_fail (data != NULL);
spin_button = GAIL_SPIN_BUTTON (data);
g_object_notify (G_OBJECT (spin_button), "accessible-value");
}
static void
gail_spin_button_get_minimum_increment (AtkValue *obj, GValue *value)
{
GailSpinButton *spin_button;
g_return_if_fail (GAIL_IS_SPIN_BUTTON (obj));
spin_button = GAIL_SPIN_BUTTON (obj);
if (spin_button->adjustment == NULL)
/*
* Adjustment has not been specified
*/
return;
atk_value_get_minimum_increment (ATK_VALUE (spin_button->adjustment), value);
}
static gboolean
gail_spin_button_set_current_value (AtkValue *obj,
const GValue *value)
{
GailSpinButton *spin_button;
g_return_val_if_fail (GAIL_IS_SPIN_BUTTON (obj), FALSE);
spin_button = GAIL_SPIN_BUTTON (obj);
if (spin_button->adjustment == NULL)
/*
* Adjustment has not been specified
*/
return FALSE;
return atk_value_set_current_value (ATK_VALUE (spin_button->adjustment), value);
}
