static void
gtk_boolean_cell_accessible_update_cache (GtkCellAccessible *cell)
{
GtkBooleanCellAccessible *boolean_cell = GTK_BOOLEAN_CELL_ACCESSIBLE (cell);
gboolean active;
gboolean sensitive;
g_object_get (G_OBJECT (GTK_RENDERER_CELL_ACCESSIBLE (cell)->renderer),
"active", &active,
"sensitive", &sensitive,
NULL);
if (boolean_cell->cell_value != active)
{
boolean_cell->cell_value = !boolean_cell->cell_value;
atk_object_notify_state_change (ATK_OBJECT (cell), ATK_STATE_CHECKED, active);
}
if (boolean_cell->cell_sensitive != sensitive)
{
boolean_cell->cell_sensitive = !boolean_cell->cell_sensitive;
atk_object_notify_state_change (ATK_OBJECT (cell), ATK_STATE_CHECKED, sensitive);
}
}
static void
gtk_text_cell_accessible_update_cache (GtkCellAccessible *cell)
{
GtkTextCellAccessible *text_cell = GTK_TEXT_CELL_ACCESSIBLE (cell);
AtkObject *obj = ATK_OBJECT (cell);
gboolean rv = FALSE;
gint temp_length;
gchar *text;
g_object_get (G_OBJECT (GTK_RENDERER_CELL_ACCESSIBLE (cell)->renderer),
"text", &text,
NULL);
if (text_cell->cell_text)
{
if (text == NULL || g_strcmp0 (text_cell->cell_text, text) != 0)
{
g_free (text_cell->cell_text);
temp_length = text_cell->cell_length;
text_cell->cell_text = NULL;
text_cell->cell_length = 0;
g_signal_emit_by_name (cell, "text-changed::delete", 0, temp_length);
if (obj->name == NULL)
g_object_notify (G_OBJECT (obj), "accessible-name");
if (text)
rv = TRUE;
}
}
else
rv = TRUE;
if (rv)
{
if (text == NULL)
{
text_cell->cell_text = g_strdup ("");
text_cell->cell_length = 0;
}
else
{
text_cell->cell_text = g_strdup (text);
text_cell->cell_length = g_utf8_strlen (text, -1);
}
}
g_free (text);
if (rv)
{
g_signal_emit_by_name (cell, "text-changed::insert",
0, text_cell->cell_length);
if (obj->name == NULL)
g_object_notify (G_OBJECT (obj), "accessible-name");
}
}
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);
}
/* This function is used by gtk_text_cell_accessible_get_offset_at_point()
* and gtk_text_cell_accessible_get_character_extents(). There is no
* cached PangoLayout so we must create a temporary one using this function.
*/
static PangoLayout *
create_pango_layout (GtkTextCellAccessible *text)
{
GdkRGBA *foreground_rgba;
PangoAttrList *attr_list, *attributes;
PangoLayout *layout;
PangoUnderline uline, underline;
PangoFontMask mask;
PangoFontDescription *font_desc;
gboolean foreground_set, strikethrough_set, strikethrough;
gboolean scale_set, underline_set, rise_set;
gchar *renderer_text;
gdouble scale;
gint rise;
GtkRendererCellAccessible *gail_renderer;
GtkCellRendererText *gtk_renderer;
gail_renderer = GTK_RENDERER_CELL_ACCESSIBLE (text);
gtk_renderer = GTK_CELL_RENDERER_TEXT (gail_renderer->renderer);
g_object_get (gtk_renderer,
"text", &renderer_text,
"attributes", &attributes,
"foreground-set", &foreground_set,
"foreground-rgba", &foreground_rgba,
"strikethrough-set", &strikethrough_set,
"strikethrough", &strikethrough,
"font-desc", &font_desc,
"scale-set", &scale_set,
"scale", &scale,
"underline-set", &underline_set,
"underline", &underline,
"rise-set", &rise_set,
"rise", &rise,
NULL);
layout = gtk_widget_create_pango_layout (get_widget (text), renderer_text);
if (attributes)
attr_list = pango_attr_list_copy (attributes);
else
attr_list = pango_attr_list_new ();
if (foreground_set)
{
add_attr (attr_list, pango_attr_foreground_new (foreground_rgba->red * 65535,
foreground_rgba->green * 65535,
foreground_rgba->blue * 65535));
}
if (strikethrough_set)
add_attr (attr_list,
pango_attr_strikethrough_new (strikethrough));
mask = pango_font_description_get_set_fields (font_desc);
if (mask & PANGO_FONT_MASK_FAMILY)
add_attr (attr_list,
pango_attr_family_new (pango_font_description_get_family (font_desc)));
if (mask & PANGO_FONT_MASK_STYLE)
add_attr (attr_list, pango_attr_style_new (pango_font_description_get_style (font_desc)));
if (mask & PANGO_FONT_MASK_VARIANT)
add_attr (attr_list, pango_attr_variant_new (pango_font_description_get_variant (font_desc)));
if (mask & PANGO_FONT_MASK_WEIGHT)
add_attr (attr_list, pango_attr_weight_new (pango_font_description_get_weight (font_desc)));
if (mask & PANGO_FONT_MASK_STRETCH)
add_attr (attr_list, pango_attr_stretch_new (pango_font_description_get_stretch (font_desc)));
if (mask & PANGO_FONT_MASK_SIZE)
add_attr (attr_list, pango_attr_size_new (pango_font_description_get_size (font_desc)));
if (scale_set && scale != 1.0)
add_attr (attr_list, pango_attr_scale_new (scale));
if (underline_set)
uline = underline;
else
uline = PANGO_UNDERLINE_NONE;
if (uline != PANGO_UNDERLINE_NONE)
add_attr (attr_list,
pango_attr_underline_new (underline));
if (rise_set)
add_attr (attr_list, pango_attr_rise_new (rise));
pango_layout_set_attributes (layout, attr_list);
pango_layout_set_width (layout, -1);
pango_attr_list_unref (attr_list);
pango_font_description_free (font_desc);
pango_attr_list_unref (attributes);
g_free (renderer_text);
gdk_rgba_free (foreground_rgba);
return layout;
}
