static void
gail_scale_get_character_extents (AtkText *text,
gint offset,
gint *x,
gint *y,
gint *width,
gint *height,
AtkCoordType coords)
{
GtkWidget *widget;
GtkScale *scale;
PangoRectangle char_rect;
PangoLayout *layout;
gint index, x_layout, y_layout;
const gchar *scale_text;
widget = gtk_accessible_get_widget (GTK_ACCESSIBLE (text));
if (widget == NULL)
/* State is defunct */
return;
scale = GTK_SCALE (widget);
layout = gtk_scale_get_layout (scale);
if (!layout)
return;
scale_text = pango_layout_get_text (layout);
if (!scale_text)
return;
index = g_utf8_offset_to_pointer (scale_text, offset) - scale_text;
gtk_scale_get_layout_offsets (scale, &x_layout, &y_layout);
pango_layout_index_to_pos (layout, index, &char_rect);
gail_misc_get_extents_from_pango_rectangle (widget, &char_rect,
x_layout, y_layout, x, y, width, height, coords);
}
static void
gail_expander_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 (text)->widget;
if (widget == NULL)
/* State is defunct */
return;
label = gtk_expander_get_label_widget (GTK_EXPANDER (widget));
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 void
gail_notebook_page_get_character_extents (AtkText *text,
gint offset,
gint *x,
gint *y,
gint *width,
gint *height,
AtkCoordType coords)
{
GtkWidget *label;
GailNotebookPage *notebook_page;
PangoRectangle char_rect;
gint index, x_layout, y_layout;
const gchar *label_text;
notebook_page = GAIL_NOTEBOOK_PAGE (text);
label = get_label_from_notebook_page (notebook_page);
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 void
gail_text_cell_get_character_extents (AtkText *text,
gint offset,
gint *x,
gint *y,
gint *width,
gint *height,
AtkCoordType coords)
{
GailRendererCell *gail_renderer;
GtkCellRendererText *gtk_renderer;
GdkRectangle rendered_rect;
GtkWidget *widget;
AtkObject *parent;
PangoRectangle char_rect;
PangoLayout *layout;
gint x_offset, y_offset, index, cell_height, cell_width;
if (!GAIL_TEXT_CELL (text)->cell_text)
{
*x = *y = *height = *width = 0;
return;
}
if (offset < 0 || offset >= GAIL_TEXT_CELL (text)->cell_length)
{
*x = *y = *height = *width = 0;
return;
}
gail_renderer = GAIL_RENDERER_CELL (text);
gtk_renderer = GTK_CELL_RENDERER_TEXT (gail_renderer->renderer);
/*
* Thus would be inconsistent with the cache
*/
gail_return_if_fail (gtk_renderer->text);
parent = atk_object_get_parent (ATK_OBJECT (text));
if (GAIL_IS_CONTAINER_CELL (parent))
parent = atk_object_get_parent (parent);
widget = GTK_ACCESSIBLE (parent)->widget;
g_return_if_fail (GAIL_IS_CELL_PARENT (parent));
gail_cell_parent_get_cell_area (GAIL_CELL_PARENT (parent), GAIL_CELL (text),
&rendered_rect);
gtk_cell_renderer_get_size (GTK_CELL_RENDERER (gtk_renderer), widget,
&rendered_rect, &x_offset, &y_offset, &cell_width, &cell_height);
layout = create_pango_layout (gtk_renderer, widget);
index = g_utf8_offset_to_pointer (gtk_renderer->text,
offset) - gtk_renderer->text;
pango_layout_index_to_pos (layout, index, &char_rect);
gail_misc_get_extents_from_pango_rectangle (widget,
&char_rect,
x_offset + rendered_rect.x + gail_renderer->renderer->xpad,
y_offset + rendered_rect.y + gail_renderer->renderer->ypad,
x, y, width, height, coords);
g_object_unref (layout);
return;
}
