GtkWidget *
get_widget (GtkTextCellAccessible *text)
{
AtkObject *parent;
parent = atk_object_get_parent (ATK_OBJECT (text));
if (GTK_IS_CONTAINER_CELL_ACCESSIBLE (parent))
parent = atk_object_get_parent (parent);
return gtk_accessible_get_widget (GTK_ACCESSIBLE (parent));
}
void
_gtk_container_cell_accessible_remove_child (GtkContainerCellAccessible *container,
GtkCellAccessible *child)
{
g_return_if_fail (GTK_IS_CONTAINER_CELL_ACCESSIBLE (container));
g_return_if_fail (GTK_IS_CELL_ACCESSIBLE (child));
g_return_if_fail (container->NChildren > 0);
container->children = g_list_remove (container->children, child);
container->NChildren--;
}
void
_gtk_container_cell_accessible_add_child (GtkContainerCellAccessible *container,
GtkCellAccessible *child)
{
g_return_if_fail (GTK_IS_CONTAINER_CELL_ACCESSIBLE (container));
g_return_if_fail (GTK_IS_CELL_ACCESSIBLE (child));
container->NChildren++;
container->children = g_list_append (container->children, child);
atk_object_set_parent (ATK_OBJECT (child), ATK_OBJECT (container));
}
static gint
gtk_cell_accessible_get_index_in_parent (AtkObject *obj)
{
GtkCellAccessible *cell;
AtkObject *parent;
cell = GTK_CELL_ACCESSIBLE (obj);
parent = atk_object_get_parent (obj);
if (GTK_IS_CONTAINER_CELL_ACCESSIBLE (parent))
return g_list_index (GTK_CONTAINER_CELL_ACCESSIBLE (parent)->children, obj);
parent = gtk_widget_get_accessible (gtk_accessible_get_widget (GTK_ACCESSIBLE (cell)));
if (parent == NULL)
return -1;
return _gtk_cell_accessible_parent_get_child_index (GTK_CELL_ACCESSIBLE_PARENT (parent), cell);
}
static gint
gtk_text_cell_accessible_get_offset_at_point (AtkText *text,
gint x,
gint y,
AtkCoordType coords)
{
AtkObject *parent;
GtkRendererCellAccessible *gail_renderer;
GtkCellRendererText *gtk_renderer;
GtkRequisition min_size;
GtkWidget *widget;
GdkRectangle rendered_rect;
PangoLayout *layout;
gchar *renderer_text;
gfloat xalign, yalign;
gint x_offset, y_offset, index;
gint xpad, ypad;
gint x_window, y_window, x_toplevel, y_toplevel;
gint x_temp, y_temp;
gboolean ret;
if (!GTK_TEXT_CELL_ACCESSIBLE (text)->cell_text)
return -1;
gail_renderer = GTK_RENDERER_CELL_ACCESSIBLE (text);
gtk_renderer = GTK_CELL_RENDERER_TEXT (gail_renderer->renderer);
parent = atk_object_get_parent (ATK_OBJECT (text));
g_object_get (gtk_renderer, "text", &renderer_text, NULL);
if (text == NULL)
{
g_free (renderer_text);
return -1;
}
if (GTK_IS_CONTAINER_CELL_ACCESSIBLE (parent))
parent = atk_object_get_parent (parent);
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (parent));
g_return_val_if_fail (GTK_IS_CELL_ACCESSIBLE_PARENT (parent), -1);
_gtk_cell_accessible_parent_get_cell_area (GTK_CELL_ACCESSIBLE_PARENT (parent),
GTK_CELL_ACCESSIBLE (text),
&rendered_rect);
gtk_cell_renderer_get_preferred_size (GTK_CELL_RENDERER (gtk_renderer),
widget,
&min_size, NULL);
gtk_cell_renderer_get_alignment (GTK_CELL_RENDERER (gtk_renderer), &xalign, &yalign);
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
xalign = 1.0 - xalign;
x_offset = MAX (0, xalign * (rendered_rect.width - min_size.width));
y_offset = MAX (0, yalign * (rendered_rect.height - min_size.height));
layout = create_pango_layout (GTK_TEXT_CELL_ACCESSIBLE (text));
gtk_cell_renderer_get_padding (gail_renderer->renderer, &xpad, &ypad);
get_origins (widget, &x_window, &y_window, &x_toplevel, &y_toplevel);
x_temp = x - (x_offset + rendered_rect.x + xpad) - x_window;
y_temp = y - (y_offset + rendered_rect.y + ypad) - y_window;
if (coords == ATK_XY_WINDOW)
{
x_temp += x_toplevel;
y_temp += y_toplevel;
}
else if (coords != ATK_XY_SCREEN)
index = -1;
ret = pango_layout_xy_to_index (layout,
x_temp * PANGO_SCALE,
y_temp * PANGO_SCALE,
&index, NULL);
if (!ret)
{
if (x_temp < 0 || y_temp < 0)
index = 0;
else
index = -1;
}
g_object_unref (layout);
if (index == -1)
{
if (coords == ATK_XY_WINDOW || coords == ATK_XY_SCREEN)
{
glong length;
length = g_utf8_strlen (renderer_text, -1);
g_free (renderer_text);
return length;
}
g_free (renderer_text);
return index;
}
else
{
glong offset;
offset = g_utf8_pointer_to_offset (renderer_text,
renderer_text + index);
g_free (renderer_text);
return offset;
}
}
static void
gtk_text_cell_accessible_get_character_extents (AtkText *text,
gint offset,
gint *x,
gint *y,
gint *width,
gint *height,
AtkCoordType coords)
{
GtkRendererCellAccessible *gail_renderer;
GtkRequisition min_size;
GtkCellRendererText *gtk_renderer;
GdkRectangle rendered_rect;
GtkWidget *widget;
AtkObject *parent;
PangoRectangle char_rect;
PangoLayout *layout;
gchar *renderer_text;
gfloat xalign, yalign;
gint x_offset, y_offset, index;
gint xpad, ypad;
gint x_window, y_window, x_toplevel, y_toplevel;
if (!GTK_TEXT_CELL_ACCESSIBLE (text)->cell_text)
{
*x = *y = *height = *width = 0;
return;
}
if (offset < 0 || offset >= GTK_TEXT_CELL_ACCESSIBLE (text)->cell_length)
{
*x = *y = *height = *width = 0;
return;
}
gail_renderer = GTK_RENDERER_CELL_ACCESSIBLE (text);
gtk_renderer = GTK_CELL_RENDERER_TEXT (gail_renderer->renderer);
g_object_get (gtk_renderer, "text", &renderer_text, NULL);
if (text == NULL)
{
g_free (renderer_text);
return;
}
parent = atk_object_get_parent (ATK_OBJECT (text));
if (GTK_IS_CONTAINER_CELL_ACCESSIBLE (parent))
parent = atk_object_get_parent (parent);
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (parent));
g_return_if_fail (GTK_IS_CELL_ACCESSIBLE_PARENT (parent));
_gtk_cell_accessible_parent_get_cell_area (GTK_CELL_ACCESSIBLE_PARENT (parent),
GTK_CELL_ACCESSIBLE (text),
&rendered_rect);
gtk_cell_renderer_get_preferred_size (GTK_CELL_RENDERER (gtk_renderer),
widget,
&min_size, NULL);
gtk_cell_renderer_get_alignment (GTK_CELL_RENDERER (gtk_renderer), &xalign, &yalign);
if (gtk_widget_get_direction (widget) == GTK_TEXT_DIR_RTL)
xalign = 1.0 - xalign;
x_offset = MAX (0, xalign * (rendered_rect.width - min_size.width));
y_offset = MAX (0, yalign * (rendered_rect.height - min_size.height));
layout = create_pango_layout (GTK_TEXT_CELL_ACCESSIBLE (text));
index = g_utf8_offset_to_pointer (renderer_text, offset) - renderer_text;
pango_layout_index_to_pos (layout, index, &char_rect);
gtk_cell_renderer_get_padding (gail_renderer->renderer, &xpad, &ypad);
get_origins (widget, &x_window, &y_window, &x_toplevel, &y_toplevel);
*x = (char_rect.x / PANGO_SCALE) + x_offset + rendered_rect.x + xpad + x_window;
*y = (char_rect.y / PANGO_SCALE) + y_offset + rendered_rect.y + ypad + y_window;
*height = char_rect.height / PANGO_SCALE;
*width = char_rect.width / PANGO_SCALE;
if (coords == ATK_XY_WINDOW)
{
*x -= x_toplevel;
*y -= y_toplevel;
}
else if (coords != ATK_XY_SCREEN)
{
*x = 0;
*y = 0;
*height = 0;
*width = 0;
}
g_free (renderer_text);
g_object_unref (layout);
}