static void
gail_button_get_character_extents (AtkText *text,
gint offset,
gint *x,
gint *y,
gint *width,
gint *height,
AtkCoordType coords)
{
GtkWidget *widget;
GtkWidget *label;
PangoRectangle char_rect;
gint index, x_layout, y_layout;
const gchar *label_text;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return;
label = get_label_from_button (widget, 0, FALSE);
if (!GTK_IS_LABEL(label))
return;
gtk_label_get_layout_offsets (GTK_LABEL (label), &x_layout, &y_layout);
label_text = gtk_label_get_text (GTK_LABEL (label));
index = g_utf8_offset_to_pointer (label_text, offset) - label_text;
pango_layout_index_to_pos (gtk_label_get_layout (GTK_LABEL (label)), index, &char_rect);
gail_misc_get_extents_from_pango_rectangle (label, &char_rect,
x_layout, y_layout, x, y, width, height, coords);
}
static gunichar
gail_button_get_character_at_offset (AtkText *text,
gint offset)
{
GtkWidget *widget;
GtkWidget *label;
const gchar *string;
gchar *index;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return '\0';
label = get_label_from_button (widget, 0, FALSE);
if (!GTK_IS_LABEL(label))
return '\0';
string = gtk_label_get_text (GTK_LABEL (label));
if (offset >= g_utf8_strlen (string, -1))
return '\0';
index = g_utf8_offset_to_pointer (string, offset);
return g_utf8_get_char (index);
}
static gchar*
gail_button_get_text_after_offset (AtkText *text,
gint offset,
AtkTextBoundary boundary_type,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
GtkWidget *label;
GailButton *button;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
{
/* State is defunct */
return NULL;
}
/* Get label */
label = get_label_from_button (widget, 0, FALSE);
if (!GTK_IS_LABEL(label))
return NULL;
button = GAIL_BUTTON (text);
if (!button->textutil)
gail_button_init_textutil (button, label);
return gail_text_util_get_text (button->textutil,
gtk_label_get_layout (GTK_LABEL (label)), GAIL_AFTER_OFFSET,
boundary_type, offset, start_offset, end_offset);
}
static gchar*
gail_button_get_text (AtkText *text,
gint start_pos,
gint end_pos)
{
GtkWidget *widget;
GtkWidget *label;
GailButton *button;
const gchar *label_text;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return NULL;
label = get_label_from_button (widget, 0, FALSE);
if (!GTK_IS_LABEL (label))
return NULL;
button = GAIL_BUTTON (text);
if (!button->textutil)
gail_button_init_textutil (button, label);
label_text = gtk_label_get_text (GTK_LABEL (label));
if (label_text == NULL)
return NULL;
else
{
return gail_text_util_get_substring (button->textutil,
start_pos, end_pos);
}
}
static const gchar *
gtk_button_accessible_get_name (AtkObject *obj)
{
const gchar *name = NULL;
GtkWidget *widget;
GtkWidget *child;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
if (widget == NULL)
return NULL;
name = ATK_OBJECT_CLASS (gtk_button_accessible_parent_class)->get_name (obj);
if (name != NULL)
return name;
child = get_label_from_button (widget);
if (GTK_IS_LABEL (child))
name = gtk_label_get_text (GTK_LABEL (child));
else
{
GtkWidget *image;
image = get_image_from_button (widget);
if (GTK_IS_IMAGE (image))
{
AtkObject *atk_obj;
atk_obj = gtk_widget_get_accessible (image);
name = atk_object_get_name (atk_obj);
}
}
return name;
}
static AtkAttributeSet*
gail_button_get_run_attributes (AtkText *text,
gint offset,
gint *start_offset,
gint *end_offset)
{
GtkWidget *widget;
GtkWidget *label;
AtkAttributeSet *at_set = NULL;
GtkJustification justify;
GtkTextDirection dir;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return NULL;
label = get_label_from_button (widget, 0, FALSE);
if (!GTK_IS_LABEL(label))
return NULL;
/* Get values set for entire label, if any */
justify = gtk_label_get_justify (GTK_LABEL (label));
if (justify != GTK_JUSTIFY_CENTER)
{
at_set = gail_misc_add_attribute (at_set,
ATK_TEXT_ATTR_JUSTIFICATION,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_JUSTIFICATION, justify)));
}
dir = gtk_widget_get_direction (label);
if (dir == GTK_TEXT_DIR_RTL)
{
at_set = gail_misc_add_attribute (at_set,
ATK_TEXT_ATTR_DIRECTION,
g_strdup (atk_text_attribute_get_value (ATK_TEXT_ATTR_DIRECTION, dir)));
}
at_set = gail_misc_layout_get_run_attributes (at_set,
gtk_label_get_layout (GTK_LABEL (label)),
(gchar *) gtk_label_get_text (GTK_LABEL (label)),
offset,
start_offset,
end_offset);
return at_set;
}
static void
gail_button_real_initialize (AtkObject *obj,
gpointer data)
{
GailButton *button = GAIL_BUTTON (obj);
GtkWidget *label;
GtkWidget *widget;
ATK_OBJECT_CLASS (gail_button_parent_class)->initialize (obj, data);
button->state = GTK_STATE_NORMAL;
g_signal_connect (data,
"pressed",
G_CALLBACK (gail_button_pressed_enter_handler),
NULL);
g_signal_connect (data,
"enter",
G_CALLBACK (gail_button_pressed_enter_handler),
NULL);
g_signal_connect (data,
"released",
G_CALLBACK (gail_button_released_leave_handler),
NULL);
g_signal_connect (data,
"leave",
G_CALLBACK (gail_button_released_leave_handler),
NULL);
widget = GTK_WIDGET (data);
label = get_label_from_button (widget, 0, FALSE);
if (GTK_IS_LABEL (label))
{
if (gtk_widget_get_mapped (label))
gail_button_init_textutil (button, label);
else
g_signal_connect (label,
"map",
G_CALLBACK (gail_button_label_map_gtk),
button);
}
button->default_is_press = gail_button_is_default_press (widget);
set_role_for_button (obj, data);
}
static AtkObject*
gail_button_ref_child (AtkObject *obj,
gint i)
{
GtkWidget *widget;
GtkWidget *child_widget;
AtkObject *child;
g_return_val_if_fail (GAIL_IS_BUTTON (obj), NULL);
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
if (widget == NULL)
/*
* State is defunct
*/
return NULL;
if (i >= gail_button_get_n_children (obj))
return NULL;
if (get_n_attached_menus (widget) > 0)
{
child_widget = get_nth_attached_menu (widget, i);
}
else
child_widget = NULL;
if (!child_widget)
{
if (get_n_labels_from_button (widget) > 1)
{
child_widget = get_label_from_button (widget, i, TRUE);
}
}
if (child_widget)
{
child = gtk_widget_get_accessible (child_widget);
g_object_ref (child);
}
else
child = NULL;
return child;
}
static G_CONST_RETURN gchar*
gail_button_get_name (AtkObject *obj)
{
G_CONST_RETURN gchar* name = NULL;
g_return_val_if_fail (GAIL_IS_BUTTON (obj), NULL);
name = ATK_OBJECT_CLASS (gail_button_parent_class)->get_name (obj);
if (name == NULL)
{
/*
* Get the text on the label
*/
GtkWidget *widget;
GtkWidget *child;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (obj));
if (widget == NULL)
/*
* State is defunct
*/
return NULL;
g_return_val_if_fail (GTK_IS_BUTTON (widget), NULL);
child = get_label_from_button (widget, 0, FALSE);
if (GTK_IS_LABEL (child))
name = gtk_label_get_text (GTK_LABEL (child));
else
{
GtkImage *image;
image = get_image_from_button (widget);
if (GTK_IS_IMAGE (image))
{
AtkObject *atk_obj;
atk_obj = gtk_widget_get_accessible (GTK_WIDGET (image));
name = atk_object_get_name (atk_obj);
}
}
}
return name;
}
static gint
gail_button_get_character_count (AtkText *text)
{
GtkWidget *widget;
GtkWidget *label;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return 0;
label = get_label_from_button (widget, 0, FALSE);
if (!GTK_IS_LABEL(label))
return 0;
return g_utf8_strlen (gtk_label_get_text (GTK_LABEL (label)), -1);
}
static gint
gail_button_get_offset_at_point (AtkText *text,
gint x,
gint y,
AtkCoordType coords)
{
GtkWidget *widget;
GtkWidget *label;
gint index, x_layout, y_layout;
const gchar *label_text;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return -1;
label = get_label_from_button (widget, 0, FALSE);
if (!GTK_IS_LABEL(label))
return -1;
gtk_label_get_layout_offsets (GTK_LABEL (label), &x_layout, &y_layout);
index = gail_misc_get_index_at_point_in_layout (label,
gtk_label_get_layout (GTK_LABEL (label)),
x_layout, y_layout, x, y, coords);
label_text = gtk_label_get_text (GTK_LABEL (label));
if (index == -1)
{
if (coords == ATK_XY_WINDOW || coords == ATK_XY_SCREEN)
return g_utf8_strlen (label_text, -1);
return index;
}
else
return g_utf8_pointer_to_offset (label_text, label_text + index);
}
static AtkAttributeSet*
gail_button_get_default_attributes (AtkText *text)
{
GtkWidget *widget;
GtkWidget *label;
AtkAttributeSet *at_set = NULL;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return NULL;
label = get_label_from_button (widget, 0, FALSE);
if (!GTK_IS_LABEL(label))
return NULL;
at_set = gail_misc_get_default_attributes (at_set,
gtk_label_get_layout (GTK_LABEL (label)),
widget);
return at_set;
}
static G_CONST_RETURN gchar*
gail_button_get_keybinding (AtkAction *action,
gint i)
{
GailButton *button;
gchar *return_value = NULL;
button = GAIL_BUTTON (action);
if (button->default_is_press)
{
if (i == 0)
i = 1;
else if (i == 1)
i = 0;
}
switch (i)
{
case 0:
{
/*
* We look for a mnemonic on the label
*/
GtkWidget *widget;
GtkWidget *label;
guint key_val;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (button));
if (widget == NULL)
/*
* State is defunct
*/
return NULL;
g_return_val_if_fail (GTK_IS_BUTTON (widget), NULL);
label = get_label_from_button (widget, 0, FALSE);
if (GTK_IS_LABEL (label))
{
key_val = gtk_label_get_mnemonic_keyval (GTK_LABEL (label));
if (key_val != GDK_KEY_VoidSymbol)
return_value = gtk_accelerator_name (key_val, GDK_MOD1_MASK);
}
if (return_value == NULL)
{
/* Find labelled-by relation */
AtkRelationSet *set;
AtkRelation *relation;
GPtrArray *target;
gpointer target_object;
set = atk_object_ref_relation_set (ATK_OBJECT (action));
if (set)
{
relation = atk_relation_set_get_relation_by_type (set, ATK_RELATION_LABELLED_BY);
if (relation)
{
target = atk_relation_get_target (relation);
target_object = g_ptr_array_index (target, 0);
label = gtk_accessible_get_widget (GTK_ACCESSIBLE (target_object));
}
g_object_unref (set);
}
if (GTK_IS_LABEL (label))
{
key_val = gtk_label_get_mnemonic_keyval (GTK_LABEL (label));
if (key_val != GDK_KEY_VoidSymbol)
return_value = gtk_accelerator_name (key_val, GDK_MOD1_MASK);
}
}
g_free (button->click_keybinding);
button->click_keybinding = return_value;
break;
}
default:
break;
}
return return_value;
}
