static gchar*
gail_expander_get_text (AtkText *text,
gint start_pos,
gint end_pos)
{
GtkWidget *widget;
GailExpander *expander;
const gchar *label_text;
widget = GTK_ACCESSIBLE (text)->widget;
if (widget == NULL)
/* State is defunct */
return NULL;
expander = GAIL_EXPANDER (text);
if (!expander->textutil)
gail_expander_init_textutil (expander, GTK_EXPANDER (widget));
label_text = gail_expander_get_full_text (GTK_EXPANDER (widget));
if (label_text == NULL)
return NULL;
else
return gail_text_util_get_substring (expander->textutil,
start_pos, end_pos);
}
static gchar*
gail_expander_get_text_after_offset (AtkText *text,
gint offset,
AtkTextBoundary boundary_type,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
GailExpander *expander;
GtkWidget *label;
widget = GTK_ACCESSIBLE (text)->widget;
if (widget == NULL)
/* State is defunct */
return NULL;
expander = GAIL_EXPANDER (text);
if (!expander->textutil)
gail_expander_init_textutil (expander, GTK_EXPANDER (widget));
label = gtk_expander_get_label_widget (GTK_EXPANDER (widget));
if (!GTK_IS_LABEL(label))
return NULL;
return gail_text_util_get_text (expander->textutil,
gtk_label_get_layout (GTK_LABEL (label)),
GAIL_AFTER_OFFSET,
boundary_type, offset, start_offset, end_offset);
}
static gboolean
gail_expander_do_action (AtkAction *action,
gint i)
{
GtkWidget *widget;
GailExpander *expander;
gboolean return_value = TRUE;
widget = GTK_ACCESSIBLE (action)->widget;
if (widget == NULL)
/*
* State is defunct
*/
return FALSE;
if (!GTK_WIDGET_IS_SENSITIVE (widget) || !GTK_WIDGET_VISIBLE (widget))
return FALSE;
expander = GAIL_EXPANDER (action);
switch (i)
{
case 0:
if (expander->action_idle_handler)
return_value = FALSE;
else
expander->action_idle_handler = gdk_threads_add_idle (idle_do_action, expander);
break;
default:
return_value = FALSE;
break;
}
return return_value;
}
static gboolean
gail_expander_set_description (AtkAction *action,
gint i,
const gchar *desc)
{
GailExpander *expander;
gchar **value;
expander = GAIL_EXPANDER (action);
switch (i)
{
case 0:
value = &expander->activate_description;
break;
default:
value = NULL;
break;
}
if (value)
{
g_free (*value);
*value = g_strdup (desc);
return TRUE;
}
else
return FALSE;
}
static gboolean
idle_do_action (gpointer data)
{
GtkWidget *widget;
GailExpander *gail_expander;
GDK_THREADS_ENTER ();
gail_expander = GAIL_EXPANDER (data);
gail_expander->action_idle_handler = 0;
widget = GTK_ACCESSIBLE (gail_expander)->widget;
if (widget == NULL /* State is defunct */ ||
!GTK_WIDGET_IS_SENSITIVE (widget) || !GTK_WIDGET_VISIBLE (widget))
{
GDK_THREADS_LEAVE ();
return FALSE;
}
gtk_widget_activate (widget);
GDK_THREADS_LEAVE ();
return FALSE;
}
static void
gail_expander_map_gtk (GtkWidget *widget,
gpointer data)
{
GailExpander *expander;
expander = GAIL_EXPANDER (data);
gail_expander_init_textutil (expander, GTK_EXPANDER (widget));
}
static void
gail_expander_finalize (GObject *object)
{
GailExpander *expander = GAIL_EXPANDER (object);
g_free (expander->activate_description);
g_free (expander->activate_keybinding);
if (expander->action_idle_handler)
{
g_source_remove (expander->action_idle_handler);
expander->action_idle_handler = 0;
}
if (expander->textutil)
g_object_unref (expander->textutil);
G_OBJECT_CLASS (gail_expander_parent_class)->finalize (object);
}
static G_CONST_RETURN gchar*
gail_expander_get_keybinding (AtkAction *action,
gint i)
{
GailExpander *expander;
gchar *return_value = NULL;
switch (i)
{
case 0:
{
/*
* We look for a mnemonic on the label
*/
GtkWidget *widget;
GtkWidget *label;
expander = GAIL_EXPANDER (action);
widget = GTK_ACCESSIBLE (expander)->widget;
if (widget == NULL)
/*
* State is defunct
*/
return NULL;
g_return_val_if_fail (GTK_IS_EXPANDER (widget), NULL);
label = gtk_expander_get_label_widget (GTK_EXPANDER (widget));
if (GTK_IS_LABEL (label))
{
guint key_val;
key_val = gtk_label_get_mnemonic_keyval (GTK_LABEL (label));
if (key_val != GDK_VoidSymbol)
return_value = gtk_accelerator_name (key_val, GDK_MOD1_MASK);
g_free (expander->activate_keybinding);
expander->activate_keybinding = return_value;
}
break;
}
default:
break;
}
return return_value;
}
static void
gail_expander_real_notify_gtk (GObject *obj,
GParamSpec *pspec)
{
AtkObject* atk_obj;
GtkExpander *expander;
GailExpander *gail_expander;
expander = GTK_EXPANDER (obj);
atk_obj = gtk_widget_get_accessible (GTK_WIDGET (expander));
;
if (strcmp (pspec->name, "label") == 0)
{
const gchar* label_text;
label_text = gail_expander_get_full_text (expander);
gail_expander = GAIL_EXPANDER (atk_obj);
if (gail_expander->textutil)
gail_text_util_text_setup (gail_expander->textutil, label_text);
if (atk_obj->name == NULL)
{
/*
* The label has changed so notify a change in accessible-name
*/
g_object_notify (G_OBJECT (atk_obj), "accessible-name");
}
/*
* The label is the only property which can be changed
*/
g_signal_emit_by_name (atk_obj, "visible_data_changed");
}
else if (strcmp (pspec->name, "expanded") == 0)
{
atk_object_notify_state_change (atk_obj, ATK_STATE_CHECKED,
gtk_expander_get_expanded (expander));
atk_object_notify_state_change (atk_obj, ATK_STATE_EXPANDED,
gtk_expander_get_expanded (expander));
g_signal_emit_by_name (atk_obj, "visible_data_changed");
}
else
GAIL_WIDGET_CLASS (gail_expander_parent_class)->notify_gtk (obj, pspec);
}
static gboolean
idle_do_action (gpointer data)
{
GtkWidget *widget;
GailExpander *gail_expander;
gail_expander = GAIL_EXPANDER (data);
gail_expander->action_idle_handler = 0;
widget = GTK_ACCESSIBLE (gail_expander)->widget;
if (widget == NULL /* State is defunct */ ||
!gtk_widget_is_sensitive (widget) || !gtk_widget_get_visible (widget))
return FALSE;
gtk_widget_activate (widget);
return FALSE;
}
static G_CONST_RETURN gchar*
gail_expander_get_description (AtkAction *action,
gint i)
{
GailExpander *expander;
G_CONST_RETURN gchar *return_value;
expander = GAIL_EXPANDER (action);
switch (i)
{
case 0:
return_value = expander->activate_description;
break;
default:
return_value = NULL;
break;
}
return return_value;
}
static void
gail_expander_real_initialize (AtkObject *obj,
gpointer data)
{
GailExpander *gail_expander = GAIL_EXPANDER (obj);
GtkWidget *expander;
ATK_OBJECT_CLASS (gail_expander_parent_class)->initialize (obj, data);
expander = GTK_WIDGET (data);
if (GTK_WIDGET_MAPPED (expander))
gail_expander_init_textutil (gail_expander, GTK_EXPANDER (expander));
else
g_signal_connect (expander,
"map",
G_CALLBACK (gail_expander_map_gtk),
gail_expander);
obj->role = ATK_ROLE_TOGGLE_BUTTON;
}